From dc9d750132f95783d2db6fb8e08271fc0878576d Mon Sep 17 00:00:00 2001 From: marha Date: Thu, 27 Jan 2011 11:07:33 +0000 Subject: pixman and mesalib git update 27 jan 2011 --- mesalib/src/glsl/ast.h | 1464 +++--- mesalib/src/glsl/ast_to_hir.cpp | 6848 ++++++++++++------------- mesalib/src/glsl/glcpp/glcpp-parse.c | 8430 ++++++++++++++++--------------- mesalib/src/glsl/glcpp/glcpp-parse.y | 3778 +++++++------- mesalib/src/glsl/glsl_lexer.cpp | 7435 ++++++++++++++------------- mesalib/src/glsl/glsl_lexer.lpp | 879 ++-- mesalib/src/glsl/glsl_parser.cpp | 311 +- mesalib/src/glsl/glsl_parser.ypp | 39 +- mesalib/src/glsl/glsl_parser_extras.cpp | 7 + mesalib/src/glsl/glsl_parser_extras.h | 500 +- mesalib/src/glsl/ir.cpp | 3105 ++++++------ mesalib/src/glsl/ir.h | 3257 ++++++------ mesalib/src/glsl/linker.cpp | 26 + mesalib/src/mesa/main/extensions.c | 114 +- mesalib/src/mesa/main/mtypes.h | 19 + mesalib/src/mesa/main/texformat.c | 1205 ++--- mesalib/src/mesa/program/ir_to_mesa.cpp | 88 +- pixman/configure.ac | 23 + pixman/pixman/pixman-arm-neon.c | 865 ++-- pixman/pixman/pixman-arm-simd.c | 847 ++-- pixman/pixman/pixman-cpu.c | 30 +- pixman/pixman/pixman-fast-path.c | 3871 +++++++------- pixman/pixman/pixman-mmx.c | 5 +- pixman/pixman/pixman-private.h | 12 +- pixman/pixman/pixman-sse2.c | 7 +- pixman/pixman/pixman-vmx.c | 5 +- 26 files changed, 21710 insertions(+), 21460 deletions(-) diff --git a/mesalib/src/glsl/ast.h b/mesalib/src/glsl/ast.h index ab28aff0f..b2e19169e 100644 --- a/mesalib/src/glsl/ast.h +++ b/mesalib/src/glsl/ast.h @@ -1,728 +1,736 @@ -/* -*- c++ -*- */ -/* - * Copyright © 2009 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - */ - -#pragma once -#ifndef AST_H -#define AST_H - -#include "list.h" -#include "glsl_parser_extras.h" - -struct _mesa_glsl_parse_state; - -struct YYLTYPE; - -/** - * \defgroup AST Abstract syntax tree node definitions - * - * An abstract syntax tree is generated by the parser. This is a fairly - * direct representation of the gramma derivation for the source program. - * No symantic checking is done during the generation of the AST. Only - * syntactic checking is done. Symantic checking is performed by a later - * stage that converts the AST to a more generic intermediate representation. - * - *@{ - */ -/** - * Base class of all abstract syntax tree nodes - */ -class ast_node { -public: - /* Callers of this talloc-based new need not call delete. It's - * easier to just talloc_free 'ctx' (or any of its ancestors). */ - static void* operator new(size_t size, void *ctx) - { - void *node; - - node = talloc_zero_size(ctx, size); - assert(node != NULL); - - return node; - } - - /* If the user *does* call delete, that's OK, we will just - * talloc_free in that case. */ - static void operator delete(void *table) - { - talloc_free(table); - } - - /** - * Print an AST node in something approximating the original GLSL code - */ - virtual void print(void) const; - - /** - * Convert the AST node to the high-level intermediate representation - */ - virtual ir_rvalue *hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state); - - /** - * Retrieve the source location of an AST node - * - * This function is primarily used to get the source position of an AST node - * into a form that can be passed to \c _mesa_glsl_error. - * - * \sa _mesa_glsl_error, ast_node::set_location - */ - struct YYLTYPE get_location(void) const - { - struct YYLTYPE locp; - - locp.source = this->location.source; - locp.first_line = this->location.line; - locp.first_column = this->location.column; - locp.last_line = locp.first_line; - locp.last_column = locp.first_column; - - return locp; - } - - /** - * Set the source location of an AST node from a parser location - * - * \sa ast_node::get_location - */ - void set_location(const struct YYLTYPE &locp) - { - this->location.source = locp.source; - this->location.line = locp.first_line; - this->location.column = locp.first_column; - } - - /** - * Source location of the AST node. - */ - struct { - unsigned source; /**< GLSL source number. */ - unsigned line; /**< Line number within the source string. */ - unsigned column; /**< Column in the line. */ - } location; - - exec_node link; - -protected: - /** - * The only constructor is protected so that only derived class objects can - * be created. - */ - ast_node(void); -}; - - -/** - * Operators for AST expression nodes. - */ -enum ast_operators { - ast_assign, - ast_plus, /**< Unary + operator. */ - ast_neg, - ast_add, - ast_sub, - ast_mul, - ast_div, - ast_mod, - ast_lshift, - ast_rshift, - ast_less, - ast_greater, - ast_lequal, - ast_gequal, - ast_equal, - ast_nequal, - ast_bit_and, - ast_bit_xor, - ast_bit_or, - ast_bit_not, - ast_logic_and, - ast_logic_xor, - ast_logic_or, - ast_logic_not, - - ast_mul_assign, - ast_div_assign, - ast_mod_assign, - ast_add_assign, - ast_sub_assign, - ast_ls_assign, - ast_rs_assign, - ast_and_assign, - ast_xor_assign, - ast_or_assign, - - ast_conditional, - - ast_pre_inc, - ast_pre_dec, - ast_post_inc, - ast_post_dec, - ast_field_selection, - ast_array_index, - - ast_function_call, - - ast_identifier, - ast_int_constant, - ast_uint_constant, - ast_float_constant, - ast_bool_constant, - - ast_sequence -}; - -/** - * Representation of any sort of expression. - */ -class ast_expression : public ast_node { -public: - ast_expression(int oper, ast_expression *, - ast_expression *, ast_expression *); - - ast_expression(const char *identifier) : - oper(ast_identifier) - { - subexpressions[0] = NULL; - subexpressions[1] = NULL; - subexpressions[2] = NULL; - primary_expression.identifier = (char *) identifier; - } - - static const char *operator_string(enum ast_operators op); - - virtual ir_rvalue *hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state); - - virtual void print(void) const; - - enum ast_operators oper; - - ast_expression *subexpressions[3]; - - union { - char *identifier; - int int_constant; - float float_constant; - unsigned uint_constant; - int bool_constant; - } primary_expression; - - - /** - * List of expressions for an \c ast_sequence or parameters for an - * \c ast_function_call - */ - exec_list expressions; -}; - -class ast_expression_bin : public ast_expression { -public: - ast_expression_bin(int oper, ast_expression *, ast_expression *); - - virtual void print(void) const; -}; - -/** - * Subclass of expressions for function calls - */ -class ast_function_expression : public ast_expression { -public: - ast_function_expression(ast_expression *callee) - : ast_expression(ast_function_call, callee, - NULL, NULL), - cons(false) - { - /* empty */ - } - - ast_function_expression(class ast_type_specifier *type) - : ast_expression(ast_function_call, (ast_expression *) type, - NULL, NULL), - cons(true) - { - /* empty */ - } - - bool is_constructor() const - { - return cons; - } - - virtual ir_rvalue *hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state); - -private: - /** - * Is this function call actually a constructor? - */ - bool cons; -}; - - -/** - * Number of possible operators for an ast_expression - * - * This is done as a define instead of as an additional value in the enum so - * that the compiler won't generate spurious messages like "warning: - * enumeration value ‘ast_num_operators’ not handled in switch" - */ -#define AST_NUM_OPERATORS (ast_sequence + 1) - - -class ast_compound_statement : public ast_node { -public: - ast_compound_statement(int new_scope, ast_node *statements); - virtual void print(void) const; - - virtual ir_rvalue *hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state); - - int new_scope; - exec_list statements; -}; - -class ast_declaration : public ast_node { -public: - ast_declaration(char *identifier, int is_array, ast_expression *array_size, - ast_expression *initializer); - virtual void print(void) const; - - char *identifier; - - int is_array; - ast_expression *array_size; - - ast_expression *initializer; -}; - - -enum { - ast_precision_none = 0, /**< Absence of precision qualifier. */ - ast_precision_high, - ast_precision_medium, - ast_precision_low -}; - -struct ast_type_qualifier { - union { - struct { - unsigned invariant:1; - unsigned constant:1; - unsigned attribute:1; - unsigned varying:1; - unsigned in:1; - unsigned out:1; - unsigned centroid:1; - unsigned uniform:1; - unsigned smooth:1; - unsigned flat:1; - unsigned noperspective:1; - - /** \name Layout qualifiers for GL_ARB_fragment_coord_conventions */ - /*@{*/ - unsigned origin_upper_left:1; - unsigned pixel_center_integer:1; - /*@}*/ - - /** - * Flag set if GL_ARB_explicit_attrib_location "location" layout - * qualifier is used. - */ - unsigned explicit_location:1; - } - /** \brief Set of flags, accessed by name. */ - q; - - /** \brief Set of flags, accessed as a bitmask. */ - unsigned i; - } flags; - - /** - * Location specified via GL_ARB_explicit_attrib_location layout - * - * \note - * This field is only valid if \c explicit_location is set. - */ - unsigned location; - - /** - * Return true if and only if an interpolation qualifier is present. - */ - bool has_interpolation() const; - - /** - * \brief Return string representation of interpolation qualifier. - * - * If an interpolation qualifier is present, then return that qualifier's - * string representation. Otherwise, return null. For example, if the - * noperspective bit is set, then this returns "noperspective". - * - * If multiple interpolation qualifiers are somehow present, then the - * returned string is undefined but not null. - */ - const char *interpolation_string() const; -}; - -class ast_struct_specifier : public ast_node { -public: - ast_struct_specifier(char *identifier, ast_node *declarator_list); - virtual void print(void) const; - - virtual ir_rvalue *hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state); - - char *name; - exec_list declarations; -}; - - -enum ast_types { - ast_void, - ast_float, - ast_int, - ast_uint, - ast_bool, - ast_vec2, - ast_vec3, - ast_vec4, - ast_bvec2, - ast_bvec3, - ast_bvec4, - ast_ivec2, - ast_ivec3, - ast_ivec4, - ast_uvec2, - ast_uvec3, - ast_uvec4, - ast_mat2, - ast_mat2x3, - ast_mat2x4, - ast_mat3x2, - ast_mat3, - ast_mat3x4, - ast_mat4x2, - ast_mat4x3, - ast_mat4, - ast_sampler1d, - ast_sampler2d, - ast_sampler2drect, - ast_sampler3d, - ast_samplercube, - ast_sampler1dshadow, - ast_sampler2dshadow, - ast_sampler2drectshadow, - ast_samplercubeshadow, - ast_sampler1darray, - ast_sampler2darray, - ast_sampler1darrayshadow, - ast_sampler2darrayshadow, - ast_isampler1d, - ast_isampler2d, - ast_isampler3d, - ast_isamplercube, - ast_isampler1darray, - ast_isampler2darray, - ast_usampler1d, - ast_usampler2d, - ast_usampler3d, - ast_usamplercube, - ast_usampler1darray, - ast_usampler2darray, - - ast_struct, - ast_type_name -}; - - -class ast_type_specifier : public ast_node { -public: - ast_type_specifier(int specifier); - - /** Construct a type specifier from a type name */ - ast_type_specifier(const char *name) - : type_specifier(ast_type_name), type_name(name), structure(NULL), - is_array(false), array_size(NULL), precision(ast_precision_none), - is_precision_statement(false) - { - /* empty */ - } - - /** Construct a type specifier from a structure definition */ - ast_type_specifier(ast_struct_specifier *s) - : type_specifier(ast_struct), type_name(s->name), structure(s), - is_array(false), array_size(NULL), precision(ast_precision_none), - is_precision_statement(false) - { - /* empty */ - } - - const struct glsl_type *glsl_type(const char **name, - struct _mesa_glsl_parse_state *state) - const; - - virtual void print(void) const; - - ir_rvalue *hir(exec_list *, struct _mesa_glsl_parse_state *); - - enum ast_types type_specifier; - - const char *type_name; - ast_struct_specifier *structure; - - int is_array; - ast_expression *array_size; - - unsigned precision:2; - - bool is_precision_statement; -}; - - -class ast_fully_specified_type : public ast_node { -public: - virtual void print(void) const; - bool has_qualifiers() const; - - ast_type_qualifier qualifier; - ast_type_specifier *specifier; -}; - - -class ast_declarator_list : public ast_node { -public: - ast_declarator_list(ast_fully_specified_type *); - virtual void print(void) const; - - virtual ir_rvalue *hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state); - - ast_fully_specified_type *type; - exec_list declarations; - - /** - * Special flag for vertex shader "invariant" declarations. - * - * Vertex shaders can contain "invariant" variable redeclarations that do - * not include a type. For example, "invariant gl_Position;". This flag - * is used to note these cases when no type is specified. - */ - int invariant; -}; - - -class ast_parameter_declarator : public ast_node { -public: - ast_parameter_declarator() - { - this->identifier = NULL; - this->is_array = false; - this->array_size = 0; - } - - virtual void print(void) const; - - virtual ir_rvalue *hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state); - - ast_fully_specified_type *type; - char *identifier; - int is_array; - ast_expression *array_size; - - static void parameters_to_hir(exec_list *ast_parameters, - bool formal, exec_list *ir_parameters, - struct _mesa_glsl_parse_state *state); - -private: - /** Is this parameter declaration part of a formal parameter list? */ - bool formal_parameter; - - /** - * Is this parameter 'void' type? - * - * This field is set by \c ::hir. - */ - bool is_void; -}; - - -class ast_function : public ast_node { -public: - ast_function(void); - - virtual void print(void) const; - - virtual ir_rvalue *hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state); - - ast_fully_specified_type *return_type; - char *identifier; - - exec_list parameters; - -private: - /** - * Is this prototype part of the function definition? - * - * Used by ast_function_definition::hir to process the parameters, etc. - * of the function. - * - * \sa ::hir - */ - bool is_definition; - - /** - * Function signature corresponding to this function prototype instance - * - * Used by ast_function_definition::hir to process the parameters, etc. - * of the function. - * - * \sa ::hir - */ - class ir_function_signature *signature; - - friend class ast_function_definition; -}; - - -class ast_expression_statement : public ast_node { -public: - ast_expression_statement(ast_expression *); - virtual void print(void) const; - - virtual ir_rvalue *hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state); - - ast_expression *expression; -}; - - -class ast_case_label : public ast_node { -public: - - /** - * An expression of NULL means 'default'. - */ - ast_expression *expression; -}; - -class ast_selection_statement : public ast_node { -public: - ast_selection_statement(ast_expression *condition, - ast_node *then_statement, - ast_node *else_statement); - virtual void print(void) const; - - virtual ir_rvalue *hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state); - - ast_expression *condition; - ast_node *then_statement; - ast_node *else_statement; -}; - - -class ast_switch_statement : public ast_node { -public: - ast_expression *expression; - exec_list statements; -}; - -class ast_iteration_statement : public ast_node { -public: - ast_iteration_statement(int mode, ast_node *init, ast_node *condition, - ast_expression *rest_expression, ast_node *body); - - virtual void print(void) const; - - virtual ir_rvalue *hir(exec_list *, struct _mesa_glsl_parse_state *); - - enum ast_iteration_modes { - ast_for, - ast_while, - ast_do_while - } mode; - - - ast_node *init_statement; - ast_node *condition; - ast_expression *rest_expression; - - ast_node *body; - -private: - /** - * Generate IR from the condition of a loop - * - * This is factored out of ::hir because some loops have the condition - * test at the top (for and while), and others have it at the end (do-while). - */ - void condition_to_hir(class ir_loop *, struct _mesa_glsl_parse_state *); -}; - - -class ast_jump_statement : public ast_node { -public: - ast_jump_statement(int mode, ast_expression *return_value); - virtual void print(void) const; - - virtual ir_rvalue *hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state); - - enum ast_jump_modes { - ast_continue, - ast_break, - ast_return, - ast_discard - } mode; - - ast_expression *opt_return_value; -}; - - -class ast_function_definition : public ast_node { -public: - virtual void print(void) const; - - virtual ir_rvalue *hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state); - - ast_function *prototype; - ast_compound_statement *body; -}; -/*@}*/ - -extern void -_mesa_ast_to_hir(exec_list *instructions, struct _mesa_glsl_parse_state *state); - -extern ir_rvalue * -_mesa_ast_field_selection_to_hir(const ast_expression *expr, - exec_list *instructions, - struct _mesa_glsl_parse_state *state); - -void -emit_function(_mesa_glsl_parse_state *state, exec_list *instructions, - ir_function *f); - -#endif /* AST_H */ +/* -*- c++ -*- */ +/* + * Copyright © 2009 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#pragma once +#ifndef AST_H +#define AST_H + +#include "list.h" +#include "glsl_parser_extras.h" + +struct _mesa_glsl_parse_state; + +struct YYLTYPE; + +/** + * \defgroup AST Abstract syntax tree node definitions + * + * An abstract syntax tree is generated by the parser. This is a fairly + * direct representation of the gramma derivation for the source program. + * No symantic checking is done during the generation of the AST. Only + * syntactic checking is done. Symantic checking is performed by a later + * stage that converts the AST to a more generic intermediate representation. + * + *@{ + */ +/** + * Base class of all abstract syntax tree nodes + */ +class ast_node { +public: + /* Callers of this talloc-based new need not call delete. It's + * easier to just talloc_free 'ctx' (or any of its ancestors). */ + static void* operator new(size_t size, void *ctx) + { + void *node; + + node = talloc_zero_size(ctx, size); + assert(node != NULL); + + return node; + } + + /* If the user *does* call delete, that's OK, we will just + * talloc_free in that case. */ + static void operator delete(void *table) + { + talloc_free(table); + } + + /** + * Print an AST node in something approximating the original GLSL code + */ + virtual void print(void) const; + + /** + * Convert the AST node to the high-level intermediate representation + */ + virtual ir_rvalue *hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state); + + /** + * Retrieve the source location of an AST node + * + * This function is primarily used to get the source position of an AST node + * into a form that can be passed to \c _mesa_glsl_error. + * + * \sa _mesa_glsl_error, ast_node::set_location + */ + struct YYLTYPE get_location(void) const + { + struct YYLTYPE locp; + + locp.source = this->location.source; + locp.first_line = this->location.line; + locp.first_column = this->location.column; + locp.last_line = locp.first_line; + locp.last_column = locp.first_column; + + return locp; + } + + /** + * Set the source location of an AST node from a parser location + * + * \sa ast_node::get_location + */ + void set_location(const struct YYLTYPE &locp) + { + this->location.source = locp.source; + this->location.line = locp.first_line; + this->location.column = locp.first_column; + } + + /** + * Source location of the AST node. + */ + struct { + unsigned source; /**< GLSL source number. */ + unsigned line; /**< Line number within the source string. */ + unsigned column; /**< Column in the line. */ + } location; + + exec_node link; + +protected: + /** + * The only constructor is protected so that only derived class objects can + * be created. + */ + ast_node(void); +}; + + +/** + * Operators for AST expression nodes. + */ +enum ast_operators { + ast_assign, + ast_plus, /**< Unary + operator. */ + ast_neg, + ast_add, + ast_sub, + ast_mul, + ast_div, + ast_mod, + ast_lshift, + ast_rshift, + ast_less, + ast_greater, + ast_lequal, + ast_gequal, + ast_equal, + ast_nequal, + ast_bit_and, + ast_bit_xor, + ast_bit_or, + ast_bit_not, + ast_logic_and, + ast_logic_xor, + ast_logic_or, + ast_logic_not, + + ast_mul_assign, + ast_div_assign, + ast_mod_assign, + ast_add_assign, + ast_sub_assign, + ast_ls_assign, + ast_rs_assign, + ast_and_assign, + ast_xor_assign, + ast_or_assign, + + ast_conditional, + + ast_pre_inc, + ast_pre_dec, + ast_post_inc, + ast_post_dec, + ast_field_selection, + ast_array_index, + + ast_function_call, + + ast_identifier, + ast_int_constant, + ast_uint_constant, + ast_float_constant, + ast_bool_constant, + + ast_sequence +}; + +/** + * Representation of any sort of expression. + */ +class ast_expression : public ast_node { +public: + ast_expression(int oper, ast_expression *, + ast_expression *, ast_expression *); + + ast_expression(const char *identifier) : + oper(ast_identifier) + { + subexpressions[0] = NULL; + subexpressions[1] = NULL; + subexpressions[2] = NULL; + primary_expression.identifier = (char *) identifier; + } + + static const char *operator_string(enum ast_operators op); + + virtual ir_rvalue *hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state); + + virtual void print(void) const; + + enum ast_operators oper; + + ast_expression *subexpressions[3]; + + union { + char *identifier; + int int_constant; + float float_constant; + unsigned uint_constant; + int bool_constant; + } primary_expression; + + + /** + * List of expressions for an \c ast_sequence or parameters for an + * \c ast_function_call + */ + exec_list expressions; +}; + +class ast_expression_bin : public ast_expression { +public: + ast_expression_bin(int oper, ast_expression *, ast_expression *); + + virtual void print(void) const; +}; + +/** + * Subclass of expressions for function calls + */ +class ast_function_expression : public ast_expression { +public: + ast_function_expression(ast_expression *callee) + : ast_expression(ast_function_call, callee, + NULL, NULL), + cons(false) + { + /* empty */ + } + + ast_function_expression(class ast_type_specifier *type) + : ast_expression(ast_function_call, (ast_expression *) type, + NULL, NULL), + cons(true) + { + /* empty */ + } + + bool is_constructor() const + { + return cons; + } + + virtual ir_rvalue *hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state); + +private: + /** + * Is this function call actually a constructor? + */ + bool cons; +}; + + +/** + * Number of possible operators for an ast_expression + * + * This is done as a define instead of as an additional value in the enum so + * that the compiler won't generate spurious messages like "warning: + * enumeration value ‘ast_num_operators’ not handled in switch" + */ +#define AST_NUM_OPERATORS (ast_sequence + 1) + + +class ast_compound_statement : public ast_node { +public: + ast_compound_statement(int new_scope, ast_node *statements); + virtual void print(void) const; + + virtual ir_rvalue *hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state); + + int new_scope; + exec_list statements; +}; + +class ast_declaration : public ast_node { +public: + ast_declaration(char *identifier, int is_array, ast_expression *array_size, + ast_expression *initializer); + virtual void print(void) const; + + char *identifier; + + int is_array; + ast_expression *array_size; + + ast_expression *initializer; +}; + + +enum { + ast_precision_none = 0, /**< Absence of precision qualifier. */ + ast_precision_high, + ast_precision_medium, + ast_precision_low +}; + +struct ast_type_qualifier { + union { + struct { + unsigned invariant:1; + unsigned constant:1; + unsigned attribute:1; + unsigned varying:1; + unsigned in:1; + unsigned out:1; + unsigned centroid:1; + unsigned uniform:1; + unsigned smooth:1; + unsigned flat:1; + unsigned noperspective:1; + + /** \name Layout qualifiers for GL_ARB_fragment_coord_conventions */ + /*@{*/ + unsigned origin_upper_left:1; + unsigned pixel_center_integer:1; + /*@}*/ + + /** + * Flag set if GL_ARB_explicit_attrib_location "location" layout + * qualifier is used. + */ + unsigned explicit_location:1; + + /** \name Layout qualifiers for GL_AMD_conservative_depth */ + /** \{ */ + unsigned depth_any:1; + unsigned depth_greater:1; + unsigned depth_less:1; + unsigned depth_unchanged:1; + /** \} */ + } + /** \brief Set of flags, accessed by name. */ + q; + + /** \brief Set of flags, accessed as a bitmask. */ + unsigned i; + } flags; + + /** + * Location specified via GL_ARB_explicit_attrib_location layout + * + * \note + * This field is only valid if \c explicit_location is set. + */ + unsigned location; + + /** + * Return true if and only if an interpolation qualifier is present. + */ + bool has_interpolation() const; + + /** + * \brief Return string representation of interpolation qualifier. + * + * If an interpolation qualifier is present, then return that qualifier's + * string representation. Otherwise, return null. For example, if the + * noperspective bit is set, then this returns "noperspective". + * + * If multiple interpolation qualifiers are somehow present, then the + * returned string is undefined but not null. + */ + const char *interpolation_string() const; +}; + +class ast_struct_specifier : public ast_node { +public: + ast_struct_specifier(char *identifier, ast_node *declarator_list); + virtual void print(void) const; + + virtual ir_rvalue *hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state); + + char *name; + exec_list declarations; +}; + + +enum ast_types { + ast_void, + ast_float, + ast_int, + ast_uint, + ast_bool, + ast_vec2, + ast_vec3, + ast_vec4, + ast_bvec2, + ast_bvec3, + ast_bvec4, + ast_ivec2, + ast_ivec3, + ast_ivec4, + ast_uvec2, + ast_uvec3, + ast_uvec4, + ast_mat2, + ast_mat2x3, + ast_mat2x4, + ast_mat3x2, + ast_mat3, + ast_mat3x4, + ast_mat4x2, + ast_mat4x3, + ast_mat4, + ast_sampler1d, + ast_sampler2d, + ast_sampler2drect, + ast_sampler3d, + ast_samplercube, + ast_sampler1dshadow, + ast_sampler2dshadow, + ast_sampler2drectshadow, + ast_samplercubeshadow, + ast_sampler1darray, + ast_sampler2darray, + ast_sampler1darrayshadow, + ast_sampler2darrayshadow, + ast_isampler1d, + ast_isampler2d, + ast_isampler3d, + ast_isamplercube, + ast_isampler1darray, + ast_isampler2darray, + ast_usampler1d, + ast_usampler2d, + ast_usampler3d, + ast_usamplercube, + ast_usampler1darray, + ast_usampler2darray, + + ast_struct, + ast_type_name +}; + + +class ast_type_specifier : public ast_node { +public: + ast_type_specifier(int specifier); + + /** Construct a type specifier from a type name */ + ast_type_specifier(const char *name) + : type_specifier(ast_type_name), type_name(name), structure(NULL), + is_array(false), array_size(NULL), precision(ast_precision_none), + is_precision_statement(false) + { + /* empty */ + } + + /** Construct a type specifier from a structure definition */ + ast_type_specifier(ast_struct_specifier *s) + : type_specifier(ast_struct), type_name(s->name), structure(s), + is_array(false), array_size(NULL), precision(ast_precision_none), + is_precision_statement(false) + { + /* empty */ + } + + const struct glsl_type *glsl_type(const char **name, + struct _mesa_glsl_parse_state *state) + const; + + virtual void print(void) const; + + ir_rvalue *hir(exec_list *, struct _mesa_glsl_parse_state *); + + enum ast_types type_specifier; + + const char *type_name; + ast_struct_specifier *structure; + + int is_array; + ast_expression *array_size; + + unsigned precision:2; + + bool is_precision_statement; +}; + + +class ast_fully_specified_type : public ast_node { +public: + virtual void print(void) const; + bool has_qualifiers() const; + + ast_type_qualifier qualifier; + ast_type_specifier *specifier; +}; + + +class ast_declarator_list : public ast_node { +public: + ast_declarator_list(ast_fully_specified_type *); + virtual void print(void) const; + + virtual ir_rvalue *hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state); + + ast_fully_specified_type *type; + exec_list declarations; + + /** + * Special flag for vertex shader "invariant" declarations. + * + * Vertex shaders can contain "invariant" variable redeclarations that do + * not include a type. For example, "invariant gl_Position;". This flag + * is used to note these cases when no type is specified. + */ + int invariant; +}; + + +class ast_parameter_declarator : public ast_node { +public: + ast_parameter_declarator() + { + this->identifier = NULL; + this->is_array = false; + this->array_size = 0; + } + + virtual void print(void) const; + + virtual ir_rvalue *hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state); + + ast_fully_specified_type *type; + char *identifier; + int is_array; + ast_expression *array_size; + + static void parameters_to_hir(exec_list *ast_parameters, + bool formal, exec_list *ir_parameters, + struct _mesa_glsl_parse_state *state); + +private: + /** Is this parameter declaration part of a formal parameter list? */ + bool formal_parameter; + + /** + * Is this parameter 'void' type? + * + * This field is set by \c ::hir. + */ + bool is_void; +}; + + +class ast_function : public ast_node { +public: + ast_function(void); + + virtual void print(void) const; + + virtual ir_rvalue *hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state); + + ast_fully_specified_type *return_type; + char *identifier; + + exec_list parameters; + +private: + /** + * Is this prototype part of the function definition? + * + * Used by ast_function_definition::hir to process the parameters, etc. + * of the function. + * + * \sa ::hir + */ + bool is_definition; + + /** + * Function signature corresponding to this function prototype instance + * + * Used by ast_function_definition::hir to process the parameters, etc. + * of the function. + * + * \sa ::hir + */ + class ir_function_signature *signature; + + friend class ast_function_definition; +}; + + +class ast_expression_statement : public ast_node { +public: + ast_expression_statement(ast_expression *); + virtual void print(void) const; + + virtual ir_rvalue *hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state); + + ast_expression *expression; +}; + + +class ast_case_label : public ast_node { +public: + + /** + * An expression of NULL means 'default'. + */ + ast_expression *expression; +}; + +class ast_selection_statement : public ast_node { +public: + ast_selection_statement(ast_expression *condition, + ast_node *then_statement, + ast_node *else_statement); + virtual void print(void) const; + + virtual ir_rvalue *hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state); + + ast_expression *condition; + ast_node *then_statement; + ast_node *else_statement; +}; + + +class ast_switch_statement : public ast_node { +public: + ast_expression *expression; + exec_list statements; +}; + +class ast_iteration_statement : public ast_node { +public: + ast_iteration_statement(int mode, ast_node *init, ast_node *condition, + ast_expression *rest_expression, ast_node *body); + + virtual void print(void) const; + + virtual ir_rvalue *hir(exec_list *, struct _mesa_glsl_parse_state *); + + enum ast_iteration_modes { + ast_for, + ast_while, + ast_do_while + } mode; + + + ast_node *init_statement; + ast_node *condition; + ast_expression *rest_expression; + + ast_node *body; + +private: + /** + * Generate IR from the condition of a loop + * + * This is factored out of ::hir because some loops have the condition + * test at the top (for and while), and others have it at the end (do-while). + */ + void condition_to_hir(class ir_loop *, struct _mesa_glsl_parse_state *); +}; + + +class ast_jump_statement : public ast_node { +public: + ast_jump_statement(int mode, ast_expression *return_value); + virtual void print(void) const; + + virtual ir_rvalue *hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state); + + enum ast_jump_modes { + ast_continue, + ast_break, + ast_return, + ast_discard + } mode; + + ast_expression *opt_return_value; +}; + + +class ast_function_definition : public ast_node { +public: + virtual void print(void) const; + + virtual ir_rvalue *hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state); + + ast_function *prototype; + ast_compound_statement *body; +}; +/*@}*/ + +extern void +_mesa_ast_to_hir(exec_list *instructions, struct _mesa_glsl_parse_state *state); + +extern ir_rvalue * +_mesa_ast_field_selection_to_hir(const ast_expression *expr, + exec_list *instructions, + struct _mesa_glsl_parse_state *state); + +void +emit_function(_mesa_glsl_parse_state *state, exec_list *instructions, + ir_function *f); + +#endif /* AST_H */ diff --git a/mesalib/src/glsl/ast_to_hir.cpp b/mesalib/src/glsl/ast_to_hir.cpp index d2a499868..df11a30c1 100644 --- a/mesalib/src/glsl/ast_to_hir.cpp +++ b/mesalib/src/glsl/ast_to_hir.cpp @@ -1,3392 +1,3456 @@ -/* - * Copyright © 2010 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - */ - -/** - * \file ast_to_hir.c - * Convert abstract syntax to to high-level intermediate reprensentation (HIR). - * - * During the conversion to HIR, the majority of the symantic checking is - * preformed on the program. This includes: - * - * * Symbol table management - * * Type checking - * * Function binding - * - * The majority of this work could be done during parsing, and the parser could - * probably generate HIR directly. However, this results in frequent changes - * to the parser code. Since we do not assume that every system this complier - * is built on will have Flex and Bison installed, we have to store the code - * generated by these tools in our version control system. In other parts of - * the system we've seen problems where a parser was changed but the generated - * code was not committed, merge conflicts where created because two developers - * had slightly different versions of Bison installed, etc. - * - * I have also noticed that running Bison generated parsers in GDB is very - * irritating. When you get a segfault on '$$ = $1->foo', you can't very - * well 'print $1' in GDB. - * - * As a result, my preference is to put as little C code as possible in the - * parser (and lexer) sources. - */ - -#include "main/core.h" /* for struct gl_extensions */ -#include "glsl_symbol_table.h" -#include "glsl_parser_extras.h" -#include "ast.h" -#include "glsl_types.h" -#include "ir.h" - -void -_mesa_ast_to_hir(exec_list *instructions, struct _mesa_glsl_parse_state *state) -{ - _mesa_glsl_initialize_variables(instructions, state); - _mesa_glsl_initialize_functions(state); - - state->symbols->language_version = state->language_version; - - state->current_function = NULL; - - /* Section 4.2 of the GLSL 1.20 specification states: - * "The built-in functions are scoped in a scope outside the global scope - * users declare global variables in. That is, a shader's global scope, - * available for user-defined functions and global variables, is nested - * inside the scope containing the built-in functions." - * - * Since built-in functions like ftransform() access built-in variables, - * it follows that those must be in the outer scope as well. - * - * We push scope here to create this nesting effect...but don't pop. - * This way, a shader's globals are still in the symbol table for use - * by the linker. - */ - state->symbols->push_scope(); - - foreach_list_typed (ast_node, ast, link, & state->translation_unit) - ast->hir(instructions, state); -} - - -/** - * If a conversion is available, convert one operand to a different type - * - * The \c from \c ir_rvalue is converted "in place". - * - * \param to Type that the operand it to be converted to - * \param from Operand that is being converted - * \param state GLSL compiler state - * - * \return - * If a conversion is possible (or unnecessary), \c true is returned. - * Otherwise \c false is returned. - */ -bool -apply_implicit_conversion(const glsl_type *to, ir_rvalue * &from, - struct _mesa_glsl_parse_state *state) -{ - void *ctx = state; - if (to->base_type == from->type->base_type) - return true; - - /* This conversion was added in GLSL 1.20. If the compilation mode is - * GLSL 1.10, the conversion is skipped. - */ - if (state->language_version < 120) - return false; - - /* From page 27 (page 33 of the PDF) of the GLSL 1.50 spec: - * - * "There are no implicit array or structure conversions. For - * example, an array of int cannot be implicitly converted to an - * array of float. There are no implicit conversions between - * signed and unsigned integers." - */ - /* FINISHME: The above comment is partially a lie. There is int/uint - * FINISHME: conversion for immediate constants. - */ - if (!to->is_float() || !from->type->is_numeric()) - return false; - - /* Convert to a floating point type with the same number of components - * as the original type - i.e. int to float, not int to vec4. - */ - to = glsl_type::get_instance(GLSL_TYPE_FLOAT, from->type->vector_elements, - from->type->matrix_columns); - - switch (from->type->base_type) { - case GLSL_TYPE_INT: - from = new(ctx) ir_expression(ir_unop_i2f, to, from, NULL); - break; - case GLSL_TYPE_UINT: - from = new(ctx) ir_expression(ir_unop_u2f, to, from, NULL); - break; - case GLSL_TYPE_BOOL: - from = new(ctx) ir_expression(ir_unop_b2f, to, from, NULL); - break; - default: - assert(0); - } - - return true; -} - - -static const struct glsl_type * -arithmetic_result_type(ir_rvalue * &value_a, ir_rvalue * &value_b, - bool multiply, - struct _mesa_glsl_parse_state *state, YYLTYPE *loc) -{ - const glsl_type *type_a = value_a->type; - const glsl_type *type_b = value_b->type; - - /* From GLSL 1.50 spec, page 56: - * - * "The arithmetic binary operators add (+), subtract (-), - * multiply (*), and divide (/) operate on integer and - * floating-point scalars, vectors, and matrices." - */ - if (!type_a->is_numeric() || !type_b->is_numeric()) { - _mesa_glsl_error(loc, state, - "Operands to arithmetic operators must be numeric"); - return glsl_type::error_type; - } - - - /* "If one operand is floating-point based and the other is - * not, then the conversions from Section 4.1.10 "Implicit - * Conversions" are applied to the non-floating-point-based operand." - */ - if (!apply_implicit_conversion(type_a, value_b, state) - && !apply_implicit_conversion(type_b, value_a, state)) { - _mesa_glsl_error(loc, state, - "Could not implicitly convert operands to " - "arithmetic operator"); - return glsl_type::error_type; - } - type_a = value_a->type; - type_b = value_b->type; - - /* "If the operands are integer types, they must both be signed or - * both be unsigned." - * - * From this rule and the preceeding conversion it can be inferred that - * both types must be GLSL_TYPE_FLOAT, or GLSL_TYPE_UINT, or GLSL_TYPE_INT. - * The is_numeric check above already filtered out the case where either - * type is not one of these, so now the base types need only be tested for - * equality. - */ - if (type_a->base_type != type_b->base_type) { - _mesa_glsl_error(loc, state, - "base type mismatch for arithmetic operator"); - return glsl_type::error_type; - } - - /* "All arithmetic binary operators result in the same fundamental type - * (signed integer, unsigned integer, or floating-point) as the - * operands they operate on, after operand type conversion. After - * conversion, the following cases are valid - * - * * The two operands are scalars. In this case the operation is - * applied, resulting in a scalar." - */ - if (type_a->is_scalar() && type_b->is_scalar()) - return type_a; - - /* "* One operand is a scalar, and the other is a vector or matrix. - * In this case, the scalar operation is applied independently to each - * component of the vector or matrix, resulting in the same size - * vector or matrix." - */ - if (type_a->is_scalar()) { - if (!type_b->is_scalar()) - return type_b; - } else if (type_b->is_scalar()) { - return type_a; - } - - /* All of the combinations of , , - * , , and have been - * handled. - */ - assert(!type_a->is_scalar()); - assert(!type_b->is_scalar()); - - /* "* The two operands are vectors of the same size. In this case, the - * operation is done component-wise resulting in the same size - * vector." - */ - if (type_a->is_vector() && type_b->is_vector()) { - if (type_a == type_b) { - return type_a; - } else { - _mesa_glsl_error(loc, state, - "vector size mismatch for arithmetic operator"); - return glsl_type::error_type; - } - } - - /* All of the combinations of , , - * , , , and - * have been handled. At least one of the operands must - * be matrix. Further, since there are no integer matrix types, the base - * type of both operands must be float. - */ - assert(type_a->is_matrix() || type_b->is_matrix()); - assert(type_a->base_type == GLSL_TYPE_FLOAT); - assert(type_b->base_type == GLSL_TYPE_FLOAT); - - /* "* The operator is add (+), subtract (-), or divide (/), and the - * operands are matrices with the same number of rows and the same - * number of columns. In this case, the operation is done component- - * wise resulting in the same size matrix." - * * The operator is multiply (*), where both operands are matrices or - * one operand is a vector and the other a matrix. A right vector - * operand is treated as a column vector and a left vector operand as a - * row vector. In all these cases, it is required that the number of - * columns of the left operand is equal to the number of rows of the - * right operand. Then, the multiply (*) operation does a linear - * algebraic multiply, yielding an object that has the same number of - * rows as the left operand and the same number of columns as the right - * operand. Section 5.10 "Vector and Matrix Operations" explains in - * more detail how vectors and matrices are operated on." - */ - if (! multiply) { - if (type_a == type_b) - return type_a; - } else { - if (type_a->is_matrix() && type_b->is_matrix()) { - /* Matrix multiply. The columns of A must match the rows of B. Given - * the other previously tested constraints, this means the vector type - * of a row from A must be the same as the vector type of a column from - * B. - */ - if (type_a->row_type() == type_b->column_type()) { - /* The resulting matrix has the number of columns of matrix B and - * the number of rows of matrix A. We get the row count of A by - * looking at the size of a vector that makes up a column. The - * transpose (size of a row) is done for B. - */ - const glsl_type *const type = - glsl_type::get_instance(type_a->base_type, - type_a->column_type()->vector_elements, - type_b->row_type()->vector_elements); - assert(type != glsl_type::error_type); - - return type; - } - } else if (type_a->is_matrix()) { - /* A is a matrix and B is a column vector. Columns of A must match - * rows of B. Given the other previously tested constraints, this - * means the vector type of a row from A must be the same as the - * vector the type of B. - */ - if (type_a->row_type() == type_b) { - /* The resulting vector has a number of elements equal to - * the number of rows of matrix A. */ - const glsl_type *const type = - glsl_type::get_instance(type_a->base_type, - type_a->column_type()->vector_elements, - 1); - assert(type != glsl_type::error_type); - - return type; - } - } else { - assert(type_b->is_matrix()); - - /* A is a row vector and B is a matrix. Columns of A must match rows - * of B. Given the other previously tested constraints, this means - * the type of A must be the same as the vector type of a column from - * B. - */ - if (type_a == type_b->column_type()) { - /* The resulting vector has a number of elements equal to - * the number of columns of matrix B. */ - const glsl_type *const type = - glsl_type::get_instance(type_a->base_type, - type_b->row_type()->vector_elements, - 1); - assert(type != glsl_type::error_type); - - return type; - } - } - - _mesa_glsl_error(loc, state, "size mismatch for matrix multiplication"); - return glsl_type::error_type; - } - - - /* "All other cases are illegal." - */ - _mesa_glsl_error(loc, state, "type mismatch"); - return glsl_type::error_type; -} - - -static const struct glsl_type * -unary_arithmetic_result_type(const struct glsl_type *type, - struct _mesa_glsl_parse_state *state, YYLTYPE *loc) -{ - /* From GLSL 1.50 spec, page 57: - * - * "The arithmetic unary operators negate (-), post- and pre-increment - * and decrement (-- and ++) operate on integer or floating-point - * values (including vectors and matrices). All unary operators work - * component-wise on their operands. These result with the same type - * they operated on." - */ - if (!type->is_numeric()) { - _mesa_glsl_error(loc, state, - "Operands to arithmetic operators must be numeric"); - return glsl_type::error_type; - } - - return type; -} - -/** - * \brief Return the result type of a bit-logic operation. - * - * If the given types to the bit-logic operator are invalid, return - * glsl_type::error_type. - * - * \param type_a Type of LHS of bit-logic op - * \param type_b Type of RHS of bit-logic op - */ -static const struct glsl_type * -bit_logic_result_type(const struct glsl_type *type_a, - const struct glsl_type *type_b, - ast_operators op, - struct _mesa_glsl_parse_state *state, YYLTYPE *loc) -{ - if (state->language_version < 130) { - _mesa_glsl_error(loc, state, "bit operations require GLSL 1.30"); - return glsl_type::error_type; - } - - /* From page 50 (page 56 of PDF) of GLSL 1.30 spec: - * - * "The bitwise operators and (&), exclusive-or (^), and inclusive-or - * (|). The operands must be of type signed or unsigned integers or - * integer vectors." - */ - if (!type_a->is_integer()) { - _mesa_glsl_error(loc, state, "LHS of `%s' must be an integer", - ast_expression::operator_string(op)); - return glsl_type::error_type; - } - if (!type_b->is_integer()) { - _mesa_glsl_error(loc, state, "RHS of `%s' must be an integer", - ast_expression::operator_string(op)); - return glsl_type::error_type; - } - - /* "The fundamental types of the operands (signed or unsigned) must - * match," - */ - if (type_a->base_type != type_b->base_type) { - _mesa_glsl_error(loc, state, "operands of `%s' must have the same " - "base type", ast_expression::operator_string(op)); - return glsl_type::error_type; - } - - /* "The operands cannot be vectors of differing size." */ - if (type_a->is_vector() && - type_b->is_vector() && - type_a->vector_elements != type_b->vector_elements) { - _mesa_glsl_error(loc, state, "operands of `%s' cannot be vectors of " - "different sizes", ast_expression::operator_string(op)); - return glsl_type::error_type; - } - - /* "If one operand is a scalar and the other a vector, the scalar is - * applied component-wise to the vector, resulting in the same type as - * the vector. The fundamental types of the operands [...] will be the - * resulting fundamental type." - */ - if (type_a->is_scalar()) - return type_b; - else - return type_a; -} - -static const struct glsl_type * -modulus_result_type(const struct glsl_type *type_a, - const struct glsl_type *type_b, - struct _mesa_glsl_parse_state *state, YYLTYPE *loc) -{ - /* From GLSL 1.50 spec, page 56: - * "The operator modulus (%) operates on signed or unsigned integers or - * integer vectors. The operand types must both be signed or both be - * unsigned." - */ - if (!type_a->is_integer() || !type_b->is_integer() - || (type_a->base_type != type_b->base_type)) { - _mesa_glsl_error(loc, state, "type mismatch"); - return glsl_type::error_type; - } - - /* "The operands cannot be vectors of differing size. If one operand is - * a scalar and the other vector, then the scalar is applied component- - * wise to the vector, resulting in the same type as the vector. If both - * are vectors of the same size, the result is computed component-wise." - */ - if (type_a->is_vector()) { - if (!type_b->is_vector() - || (type_a->vector_elements == type_b->vector_elements)) - return type_a; - } else - return type_b; - - /* "The operator modulus (%) is not defined for any other data types - * (non-integer types)." - */ - _mesa_glsl_error(loc, state, "type mismatch"); - return glsl_type::error_type; -} - - -static const struct glsl_type * -relational_result_type(ir_rvalue * &value_a, ir_rvalue * &value_b, - struct _mesa_glsl_parse_state *state, YYLTYPE *loc) -{ - const glsl_type *type_a = value_a->type; - const glsl_type *type_b = value_b->type; - - /* From GLSL 1.50 spec, page 56: - * "The relational operators greater than (>), less than (<), greater - * than or equal (>=), and less than or equal (<=) operate only on - * scalar integer and scalar floating-point expressions." - */ - if (!type_a->is_numeric() - || !type_b->is_numeric() - || !type_a->is_scalar() - || !type_b->is_scalar()) { - _mesa_glsl_error(loc, state, - "Operands to relational operators must be scalar and " - "numeric"); - return glsl_type::error_type; - } - - /* "Either the operands' types must match, or the conversions from - * Section 4.1.10 "Implicit Conversions" will be applied to the integer - * operand, after which the types must match." - */ - if (!apply_implicit_conversion(type_a, value_b, state) - && !apply_implicit_conversion(type_b, value_a, state)) { - _mesa_glsl_error(loc, state, - "Could not implicitly convert operands to " - "relational operator"); - return glsl_type::error_type; - } - type_a = value_a->type; - type_b = value_b->type; - - if (type_a->base_type != type_b->base_type) { - _mesa_glsl_error(loc, state, "base type mismatch"); - return glsl_type::error_type; - } - - /* "The result is scalar Boolean." - */ - return glsl_type::bool_type; -} - -/** - * \brief Return the result type of a bit-shift operation. - * - * If the given types to the bit-shift operator are invalid, return - * glsl_type::error_type. - * - * \param type_a Type of LHS of bit-shift op - * \param type_b Type of RHS of bit-shift op - */ -static const struct glsl_type * -shift_result_type(const struct glsl_type *type_a, - const struct glsl_type *type_b, - ast_operators op, - struct _mesa_glsl_parse_state *state, YYLTYPE *loc) -{ - if (state->language_version < 130) { - _mesa_glsl_error(loc, state, "bit operations require GLSL 1.30"); - return glsl_type::error_type; - } - - /* From page 50 (page 56 of the PDF) of the GLSL 1.30 spec: - * - * "The shift operators (<<) and (>>). For both operators, the operands - * must be signed or unsigned integers or integer vectors. One operand - * can be signed while the other is unsigned." - */ - if (!type_a->is_integer()) { - _mesa_glsl_error(loc, state, "LHS of operator %s must be an integer or " - "integer vector", ast_expression::operator_string(op)); - return glsl_type::error_type; - - } - if (!type_b->is_integer()) { - _mesa_glsl_error(loc, state, "RHS of operator %s must be an integer or " - "integer vector", ast_expression::operator_string(op)); - return glsl_type::error_type; - } - - /* "If the first operand is a scalar, the second operand has to be - * a scalar as well." - */ - if (type_a->is_scalar() && !type_b->is_scalar()) { - _mesa_glsl_error(loc, state, "If the first operand of %s is scalar, the " - "second must be scalar as well", - ast_expression::operator_string(op)); - return glsl_type::error_type; - } - - /* If both operands are vectors, check that they have same number of - * elements. - */ - if (type_a->is_vector() && - type_b->is_vector() && - type_a->vector_elements != type_b->vector_elements) { - _mesa_glsl_error(loc, state, "Vector operands to operator %s must " - "have same number of elements", - ast_expression::operator_string(op)); - return glsl_type::error_type; - } - - /* "In all cases, the resulting type will be the same type as the left - * operand." - */ - return type_a; -} - -/** - * Validates that a value can be assigned to a location with a specified type - * - * Validates that \c rhs can be assigned to some location. If the types are - * not an exact match but an automatic conversion is possible, \c rhs will be - * converted. - * - * \return - * \c NULL if \c rhs cannot be assigned to a location with type \c lhs_type. - * Otherwise the actual RHS to be assigned will be returned. This may be - * \c rhs, or it may be \c rhs after some type conversion. - * - * \note - * In addition to being used for assignments, this function is used to - * type-check return values. - */ -ir_rvalue * -validate_assignment(struct _mesa_glsl_parse_state *state, - const glsl_type *lhs_type, ir_rvalue *rhs) -{ - /* If there is already some error in the RHS, just return it. Anything - * else will lead to an avalanche of error message back to the user. - */ - if (rhs->type->is_error()) - return rhs; - - /* If the types are identical, the assignment can trivially proceed. - */ - if (rhs->type == lhs_type) - return rhs; - - /* If the array element types are the same and the size of the LHS is zero, - * the assignment is okay. - * - * Note: Whole-array assignments are not permitted in GLSL 1.10, but this - * is handled by ir_dereference::is_lvalue. - */ - if (lhs_type->is_array() && rhs->type->is_array() - && (lhs_type->element_type() == rhs->type->element_type()) - && (lhs_type->array_size() == 0)) { - return rhs; - } - - /* Check for implicit conversion in GLSL 1.20 */ - if (apply_implicit_conversion(lhs_type, rhs, state)) { - if (rhs->type == lhs_type) - return rhs; - } - - return NULL; -} - -ir_rvalue * -do_assignment(exec_list *instructions, struct _mesa_glsl_parse_state *state, - ir_rvalue *lhs, ir_rvalue *rhs, - YYLTYPE lhs_loc) -{ - void *ctx = state; - bool error_emitted = (lhs->type->is_error() || rhs->type->is_error()); - - if (!error_emitted) { - if (lhs->variable_referenced() != NULL - && lhs->variable_referenced()->read_only) { - _mesa_glsl_error(&lhs_loc, state, - "assignment to read-only variable '%s'", - lhs->variable_referenced()->name); - error_emitted = true; - - } else if (!lhs->is_lvalue()) { - _mesa_glsl_error(& lhs_loc, state, "non-lvalue in assignment"); - error_emitted = true; - } - - if (state->es_shader && lhs->type->is_array()) { - _mesa_glsl_error(&lhs_loc, state, "whole array assignment is not " - "allowed in GLSL ES 1.00."); - error_emitted = true; - } - } - - ir_rvalue *new_rhs = validate_assignment(state, lhs->type, rhs); - if (new_rhs == NULL) { - _mesa_glsl_error(& lhs_loc, state, "type mismatch"); - } else { - rhs = new_rhs; - - /* If the LHS array was not declared with a size, it takes it size from - * the RHS. If the LHS is an l-value and a whole array, it must be a - * dereference of a variable. Any other case would require that the LHS - * is either not an l-value or not a whole array. - */ - if (lhs->type->array_size() == 0) { - ir_dereference *const d = lhs->as_dereference(); - - assert(d != NULL); - - ir_variable *const var = d->variable_referenced(); - - assert(var != NULL); - - if (var->max_array_access >= unsigned(rhs->type->array_size())) { - /* FINISHME: This should actually log the location of the RHS. */ - _mesa_glsl_error(& lhs_loc, state, "array size must be > %u due to " - "previous access", - var->max_array_access); - } - - var->type = glsl_type::get_array_instance(lhs->type->element_type(), - rhs->type->array_size()); - d->type = var->type; - } - } - - /* Most callers of do_assignment (assign, add_assign, pre_inc/dec, - * but not post_inc) need the converted assigned value as an rvalue - * to handle things like: - * - * i = j += 1; - * - * So we always just store the computed value being assigned to a - * temporary and return a deref of that temporary. If the rvalue - * ends up not being used, the temp will get copy-propagated out. - */ - ir_variable *var = new(ctx) ir_variable(rhs->type, "assignment_tmp", - ir_var_temporary); - ir_dereference_variable *deref_var = new(ctx) ir_dereference_variable(var); - instructions->push_tail(var); - instructions->push_tail(new(ctx) ir_assignment(deref_var, - rhs, - NULL)); - deref_var = new(ctx) ir_dereference_variable(var); - - if (!error_emitted) - instructions->push_tail(new(ctx) ir_assignment(lhs, deref_var, NULL)); - - return new(ctx) ir_dereference_variable(var); -} - -static ir_rvalue * -get_lvalue_copy(exec_list *instructions, ir_rvalue *lvalue) -{ - void *ctx = talloc_parent(lvalue); - ir_variable *var; - - var = new(ctx) ir_variable(lvalue->type, "_post_incdec_tmp", - ir_var_temporary); - instructions->push_tail(var); - var->mode = ir_var_auto; - - instructions->push_tail(new(ctx) ir_assignment(new(ctx) ir_dereference_variable(var), - lvalue, NULL)); - - /* Once we've created this temporary, mark it read only so it's no - * longer considered an lvalue. - */ - var->read_only = true; - - return new(ctx) ir_dereference_variable(var); -} - - -ir_rvalue * -ast_node::hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state) -{ - (void) instructions; - (void) state; - - return NULL; -} - -static void -mark_whole_array_access(ir_rvalue *access) -{ - ir_dereference_variable *deref = access->as_dereference_variable(); - - if (deref) { - deref->var->max_array_access = deref->type->length - 1; - } -} - -static ir_rvalue * -do_comparison(void *mem_ctx, int operation, ir_rvalue *op0, ir_rvalue *op1) -{ - int join_op; - ir_rvalue *cmp = NULL; - - if (operation == ir_binop_all_equal) - join_op = ir_binop_logic_and; - else - join_op = ir_binop_logic_or; - - switch (op0->type->base_type) { - case GLSL_TYPE_FLOAT: - case GLSL_TYPE_UINT: - case GLSL_TYPE_INT: - case GLSL_TYPE_BOOL: - return new(mem_ctx) ir_expression(operation, op0, op1); - - case GLSL_TYPE_ARRAY: { - for (unsigned int i = 0; i < op0->type->length; i++) { - ir_rvalue *e0, *e1, *result; - - e0 = new(mem_ctx) ir_dereference_array(op0->clone(mem_ctx, NULL), - new(mem_ctx) ir_constant(i)); - e1 = new(mem_ctx) ir_dereference_array(op1->clone(mem_ctx, NULL), - new(mem_ctx) ir_constant(i)); - result = do_comparison(mem_ctx, operation, e0, e1); - - if (cmp) { - cmp = new(mem_ctx) ir_expression(join_op, cmp, result); - } else { - cmp = result; - } - } - - mark_whole_array_access(op0); - mark_whole_array_access(op1); - break; - } - - case GLSL_TYPE_STRUCT: { - for (unsigned int i = 0; i < op0->type->length; i++) { - ir_rvalue *e0, *e1, *result; - const char *field_name = op0->type->fields.structure[i].name; - - e0 = new(mem_ctx) ir_dereference_record(op0->clone(mem_ctx, NULL), - field_name); - e1 = new(mem_ctx) ir_dereference_record(op1->clone(mem_ctx, NULL), - field_name); - result = do_comparison(mem_ctx, operation, e0, e1); - - if (cmp) { - cmp = new(mem_ctx) ir_expression(join_op, cmp, result); - } else { - cmp = result; - } - } - break; - } - - case GLSL_TYPE_ERROR: - case GLSL_TYPE_VOID: - case GLSL_TYPE_SAMPLER: - /* I assume a comparison of a struct containing a sampler just - * ignores the sampler present in the type. - */ - break; - - default: - assert(!"Should not get here."); - break; - } - - if (cmp == NULL) - cmp = new(mem_ctx) ir_constant(true); - - return cmp; -} - -ir_rvalue * -ast_expression::hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state) -{ - void *ctx = state; - static const int operations[AST_NUM_OPERATORS] = { - -1, /* ast_assign doesn't convert to ir_expression. */ - -1, /* ast_plus doesn't convert to ir_expression. */ - ir_unop_neg, - ir_binop_add, - ir_binop_sub, - ir_binop_mul, - ir_binop_div, - ir_binop_mod, - ir_binop_lshift, - ir_binop_rshift, - ir_binop_less, - ir_binop_greater, - ir_binop_lequal, - ir_binop_gequal, - ir_binop_all_equal, - ir_binop_any_nequal, - ir_binop_bit_and, - ir_binop_bit_xor, - ir_binop_bit_or, - ir_unop_bit_not, - ir_binop_logic_and, - ir_binop_logic_xor, - ir_binop_logic_or, - ir_unop_logic_not, - - /* Note: The following block of expression types actually convert - * to multiple IR instructions. - */ - ir_binop_mul, /* ast_mul_assign */ - ir_binop_div, /* ast_div_assign */ - ir_binop_mod, /* ast_mod_assign */ - ir_binop_add, /* ast_add_assign */ - ir_binop_sub, /* ast_sub_assign */ - ir_binop_lshift, /* ast_ls_assign */ - ir_binop_rshift, /* ast_rs_assign */ - ir_binop_bit_and, /* ast_and_assign */ - ir_binop_bit_xor, /* ast_xor_assign */ - ir_binop_bit_or, /* ast_or_assign */ - - -1, /* ast_conditional doesn't convert to ir_expression. */ - ir_binop_add, /* ast_pre_inc. */ - ir_binop_sub, /* ast_pre_dec. */ - ir_binop_add, /* ast_post_inc. */ - ir_binop_sub, /* ast_post_dec. */ - -1, /* ast_field_selection doesn't conv to ir_expression. */ - -1, /* ast_array_index doesn't convert to ir_expression. */ - -1, /* ast_function_call doesn't conv to ir_expression. */ - -1, /* ast_identifier doesn't convert to ir_expression. */ - -1, /* ast_int_constant doesn't convert to ir_expression. */ - -1, /* ast_uint_constant doesn't conv to ir_expression. */ - -1, /* ast_float_constant doesn't conv to ir_expression. */ - -1, /* ast_bool_constant doesn't conv to ir_expression. */ - -1, /* ast_sequence doesn't convert to ir_expression. */ - }; - ir_rvalue *result = NULL; - ir_rvalue *op[3]; - const struct glsl_type *type = glsl_type::error_type; - bool error_emitted = false; - YYLTYPE loc; - - loc = this->get_location(); - - switch (this->oper) { - case ast_assign: { - op[0] = this->subexpressions[0]->hir(instructions, state); - op[1] = this->subexpressions[1]->hir(instructions, state); - - result = do_assignment(instructions, state, op[0], op[1], - this->subexpressions[0]->get_location()); - error_emitted = result->type->is_error(); - type = result->type; - break; - } - - case ast_plus: - op[0] = this->subexpressions[0]->hir(instructions, state); - - type = unary_arithmetic_result_type(op[0]->type, state, & loc); - - error_emitted = type->is_error(); - - result = op[0]; - break; - - case ast_neg: - op[0] = this->subexpressions[0]->hir(instructions, state); - - type = unary_arithmetic_result_type(op[0]->type, state, & loc); - - error_emitted = type->is_error(); - - result = new(ctx) ir_expression(operations[this->oper], type, - op[0], NULL); - break; - - case ast_add: - case ast_sub: - case ast_mul: - case ast_div: - op[0] = this->subexpressions[0]->hir(instructions, state); - op[1] = this->subexpressions[1]->hir(instructions, state); - - type = arithmetic_result_type(op[0], op[1], - (this->oper == ast_mul), - state, & loc); - error_emitted = type->is_error(); - - result = new(ctx) ir_expression(operations[this->oper], type, - op[0], op[1]); - break; - - case ast_mod: - op[0] = this->subexpressions[0]->hir(instructions, state); - op[1] = this->subexpressions[1]->hir(instructions, state); - - type = modulus_result_type(op[0]->type, op[1]->type, state, & loc); - - assert(operations[this->oper] == ir_binop_mod); - - result = new(ctx) ir_expression(operations[this->oper], type, - op[0], op[1]); - error_emitted = type->is_error(); - break; - - case ast_lshift: - case ast_rshift: - if (state->language_version < 130) { - _mesa_glsl_error(&loc, state, "operator %s requires GLSL 1.30", - operator_string(this->oper)); - error_emitted = true; - } - - op[0] = this->subexpressions[0]->hir(instructions, state); - op[1] = this->subexpressions[1]->hir(instructions, state); - type = shift_result_type(op[0]->type, op[1]->type, this->oper, state, - &loc); - result = new(ctx) ir_expression(operations[this->oper], type, - op[0], op[1]); - error_emitted = op[0]->type->is_error() || op[1]->type->is_error(); - break; - - case ast_less: - case ast_greater: - case ast_lequal: - case ast_gequal: - op[0] = this->subexpressions[0]->hir(instructions, state); - op[1] = this->subexpressions[1]->hir(instructions, state); - - type = relational_result_type(op[0], op[1], state, & loc); - - /* The relational operators must either generate an error or result - * in a scalar boolean. See page 57 of the GLSL 1.50 spec. - */ - assert(type->is_error() - || ((type->base_type == GLSL_TYPE_BOOL) - && type->is_scalar())); - - result = new(ctx) ir_expression(operations[this->oper], type, - op[0], op[1]); - error_emitted = type->is_error(); - break; - - case ast_nequal: - case ast_equal: - op[0] = this->subexpressions[0]->hir(instructions, state); - op[1] = this->subexpressions[1]->hir(instructions, state); - - /* From page 58 (page 64 of the PDF) of the GLSL 1.50 spec: - * - * "The equality operators equal (==), and not equal (!=) - * operate on all types. They result in a scalar Boolean. If - * the operand types do not match, then there must be a - * conversion from Section 4.1.10 "Implicit Conversions" - * applied to one operand that can make them match, in which - * case this conversion is done." - */ - if ((!apply_implicit_conversion(op[0]->type, op[1], state) - && !apply_implicit_conversion(op[1]->type, op[0], state)) - || (op[0]->type != op[1]->type)) { - _mesa_glsl_error(& loc, state, "operands of `%s' must have the same " - "type", (this->oper == ast_equal) ? "==" : "!="); - error_emitted = true; - } else if ((state->language_version <= 110) - && (op[0]->type->is_array() || op[1]->type->is_array())) { - _mesa_glsl_error(& loc, state, "array comparisons forbidden in " - "GLSL 1.10"); - error_emitted = true; - } - - result = do_comparison(ctx, operations[this->oper], op[0], op[1]); - type = glsl_type::bool_type; - - assert(error_emitted || (result->type == glsl_type::bool_type)); - break; - - case ast_bit_and: - case ast_bit_xor: - case ast_bit_or: - op[0] = this->subexpressions[0]->hir(instructions, state); - op[1] = this->subexpressions[1]->hir(instructions, state); - type = bit_logic_result_type(op[0]->type, op[1]->type, this->oper, - state, &loc); - result = new(ctx) ir_expression(operations[this->oper], type, - op[0], op[1]); - error_emitted = op[0]->type->is_error() || op[1]->type->is_error(); - break; - - case ast_bit_not: - op[0] = this->subexpressions[0]->hir(instructions, state); - - if (state->language_version < 130) { - _mesa_glsl_error(&loc, state, "bit-wise operations require GLSL 1.30"); - error_emitted = true; - } - - if (!op[0]->type->is_integer()) { - _mesa_glsl_error(&loc, state, "operand of `~' must be an integer"); - error_emitted = true; - } - - type = op[0]->type; - result = new(ctx) ir_expression(ir_unop_bit_not, type, op[0], NULL); - break; - - case ast_logic_and: { - op[0] = this->subexpressions[0]->hir(instructions, state); - - if (!op[0]->type->is_boolean() || !op[0]->type->is_scalar()) { - YYLTYPE loc = this->subexpressions[0]->get_location(); - - _mesa_glsl_error(& loc, state, "LHS of `%s' must be scalar boolean", - operator_string(this->oper)); - error_emitted = true; - } - - ir_constant *op0_const = op[0]->constant_expression_value(); - if (op0_const) { - if (op0_const->value.b[0]) { - op[1] = this->subexpressions[1]->hir(instructions, state); - - if (!op[1]->type->is_boolean() || !op[1]->type->is_scalar()) { - YYLTYPE loc = this->subexpressions[1]->get_location(); - - _mesa_glsl_error(& loc, state, - "RHS of `%s' must be scalar boolean", - operator_string(this->oper)); - error_emitted = true; - } - result = op[1]; - } else { - result = op0_const; - } - type = glsl_type::bool_type; - } else { - ir_variable *const tmp = new(ctx) ir_variable(glsl_type::bool_type, - "and_tmp", - ir_var_temporary); - instructions->push_tail(tmp); - - ir_if *const stmt = new(ctx) ir_if(op[0]); - instructions->push_tail(stmt); - - op[1] = this->subexpressions[1]->hir(&stmt->then_instructions, state); - - if (!op[1]->type->is_boolean() || !op[1]->type->is_scalar()) { - YYLTYPE loc = this->subexpressions[1]->get_location(); - - _mesa_glsl_error(& loc, state, - "RHS of `%s' must be scalar boolean", - operator_string(this->oper)); - error_emitted = true; - } - - ir_dereference *const then_deref = new(ctx) ir_dereference_variable(tmp); - ir_assignment *const then_assign = - new(ctx) ir_assignment(then_deref, op[1], NULL); - stmt->then_instructions.push_tail(then_assign); - - ir_dereference *const else_deref = new(ctx) ir_dereference_variable(tmp); - ir_assignment *const else_assign = - new(ctx) ir_assignment(else_deref, new(ctx) ir_constant(false), NULL); - stmt->else_instructions.push_tail(else_assign); - - result = new(ctx) ir_dereference_variable(tmp); - type = tmp->type; - } - break; - } - - case ast_logic_or: { - op[0] = this->subexpressions[0]->hir(instructions, state); - - if (!op[0]->type->is_boolean() || !op[0]->type->is_scalar()) { - YYLTYPE loc = this->subexpressions[0]->get_location(); - - _mesa_glsl_error(& loc, state, "LHS of `%s' must be scalar boolean", - operator_string(this->oper)); - error_emitted = true; - } - - ir_constant *op0_const = op[0]->constant_expression_value(); - if (op0_const) { - if (op0_const->value.b[0]) { - result = op0_const; - } else { - op[1] = this->subexpressions[1]->hir(instructions, state); - - if (!op[1]->type->is_boolean() || !op[1]->type->is_scalar()) { - YYLTYPE loc = this->subexpressions[1]->get_location(); - - _mesa_glsl_error(& loc, state, - "RHS of `%s' must be scalar boolean", - operator_string(this->oper)); - error_emitted = true; - } - result = op[1]; - } - type = glsl_type::bool_type; - } else { - ir_variable *const tmp = new(ctx) ir_variable(glsl_type::bool_type, - "or_tmp", - ir_var_temporary); - instructions->push_tail(tmp); - - ir_if *const stmt = new(ctx) ir_if(op[0]); - instructions->push_tail(stmt); - - op[1] = this->subexpressions[1]->hir(&stmt->else_instructions, state); - - if (!op[1]->type->is_boolean() || !op[1]->type->is_scalar()) { - YYLTYPE loc = this->subexpressions[1]->get_location(); - - _mesa_glsl_error(& loc, state, "RHS of `%s' must be scalar boolean", - operator_string(this->oper)); - error_emitted = true; - } - - ir_dereference *const then_deref = new(ctx) ir_dereference_variable(tmp); - ir_assignment *const then_assign = - new(ctx) ir_assignment(then_deref, new(ctx) ir_constant(true), NULL); - stmt->then_instructions.push_tail(then_assign); - - ir_dereference *const else_deref = new(ctx) ir_dereference_variable(tmp); - ir_assignment *const else_assign = - new(ctx) ir_assignment(else_deref, op[1], NULL); - stmt->else_instructions.push_tail(else_assign); - - result = new(ctx) ir_dereference_variable(tmp); - type = tmp->type; - } - break; - } - - case ast_logic_xor: - op[0] = this->subexpressions[0]->hir(instructions, state); - op[1] = this->subexpressions[1]->hir(instructions, state); - - - result = new(ctx) ir_expression(operations[this->oper], glsl_type::bool_type, - op[0], op[1]); - type = glsl_type::bool_type; - break; - - case ast_logic_not: - op[0] = this->subexpressions[0]->hir(instructions, state); - - if (!op[0]->type->is_boolean() || !op[0]->type->is_scalar()) { - YYLTYPE loc = this->subexpressions[0]->get_location(); - - _mesa_glsl_error(& loc, state, - "operand of `!' must be scalar boolean"); - error_emitted = true; - } - - result = new(ctx) ir_expression(operations[this->oper], glsl_type::bool_type, - op[0], NULL); - type = glsl_type::bool_type; - break; - - case ast_mul_assign: - case ast_div_assign: - case ast_add_assign: - case ast_sub_assign: { - op[0] = this->subexpressions[0]->hir(instructions, state); - op[1] = this->subexpressions[1]->hir(instructions, state); - - type = arithmetic_result_type(op[0], op[1], - (this->oper == ast_mul_assign), - state, & loc); - - ir_rvalue *temp_rhs = new(ctx) ir_expression(operations[this->oper], type, - op[0], op[1]); - - result = do_assignment(instructions, state, - op[0]->clone(ctx, NULL), temp_rhs, - this->subexpressions[0]->get_location()); - type = result->type; - error_emitted = (op[0]->type->is_error()); - - /* GLSL 1.10 does not allow array assignment. However, we don't have to - * explicitly test for this because none of the binary expression - * operators allow array operands either. - */ - - break; - } - - case ast_mod_assign: { - op[0] = this->subexpressions[0]->hir(instructions, state); - op[1] = this->subexpressions[1]->hir(instructions, state); - - type = modulus_result_type(op[0]->type, op[1]->type, state, & loc); - - assert(operations[this->oper] == ir_binop_mod); - - ir_rvalue *temp_rhs; - temp_rhs = new(ctx) ir_expression(operations[this->oper], type, - op[0], op[1]); - - result = do_assignment(instructions, state, - op[0]->clone(ctx, NULL), temp_rhs, - this->subexpressions[0]->get_location()); - type = result->type; - error_emitted = type->is_error(); - break; - } - - case ast_ls_assign: - case ast_rs_assign: { - op[0] = this->subexpressions[0]->hir(instructions, state); - op[1] = this->subexpressions[1]->hir(instructions, state); - type = shift_result_type(op[0]->type, op[1]->type, this->oper, state, - &loc); - ir_rvalue *temp_rhs = new(ctx) ir_expression(operations[this->oper], - type, op[0], op[1]); - result = do_assignment(instructions, state, op[0]->clone(ctx, NULL), - temp_rhs, - this->subexpressions[0]->get_location()); - error_emitted = op[0]->type->is_error() || op[1]->type->is_error(); - break; - } - - case ast_and_assign: - case ast_xor_assign: - case ast_or_assign: { - op[0] = this->subexpressions[0]->hir(instructions, state); - op[1] = this->subexpressions[1]->hir(instructions, state); - type = bit_logic_result_type(op[0]->type, op[1]->type, this->oper, - state, &loc); - ir_rvalue *temp_rhs = new(ctx) ir_expression(operations[this->oper], - type, op[0], op[1]); - result = do_assignment(instructions, state, op[0]->clone(ctx, NULL), - temp_rhs, - this->subexpressions[0]->get_location()); - error_emitted = op[0]->type->is_error() || op[1]->type->is_error(); - break; - } - - case ast_conditional: { - op[0] = this->subexpressions[0]->hir(instructions, state); - - /* From page 59 (page 65 of the PDF) of the GLSL 1.50 spec: - * - * "The ternary selection operator (?:). It operates on three - * expressions (exp1 ? exp2 : exp3). This operator evaluates the - * first expression, which must result in a scalar Boolean." - */ - if (!op[0]->type->is_boolean() || !op[0]->type->is_scalar()) { - YYLTYPE loc = this->subexpressions[0]->get_location(); - - _mesa_glsl_error(& loc, state, "?: condition must be scalar boolean"); - error_emitted = true; - } - - /* The :? operator is implemented by generating an anonymous temporary - * followed by an if-statement. The last instruction in each branch of - * the if-statement assigns a value to the anonymous temporary. This - * temporary is the r-value of the expression. - */ - exec_list then_instructions; - exec_list else_instructions; - - op[1] = this->subexpressions[1]->hir(&then_instructions, state); - op[2] = this->subexpressions[2]->hir(&else_instructions, state); - - /* From page 59 (page 65 of the PDF) of the GLSL 1.50 spec: - * - * "The second and third expressions can be any type, as - * long their types match, or there is a conversion in - * Section 4.1.10 "Implicit Conversions" that can be applied - * to one of the expressions to make their types match. This - * resulting matching type is the type of the entire - * expression." - */ - if ((!apply_implicit_conversion(op[1]->type, op[2], state) - && !apply_implicit_conversion(op[2]->type, op[1], state)) - || (op[1]->type != op[2]->type)) { - YYLTYPE loc = this->subexpressions[1]->get_location(); - - _mesa_glsl_error(& loc, state, "Second and third operands of ?: " - "operator must have matching types."); - error_emitted = true; - type = glsl_type::error_type; - } else { - type = op[1]->type; - } - - /* From page 33 (page 39 of the PDF) of the GLSL 1.10 spec: - * - * "The second and third expressions must be the same type, but can - * be of any type other than an array." - */ - if ((state->language_version <= 110) && type->is_array()) { - _mesa_glsl_error(& loc, state, "Second and third operands of ?: " - "operator must not be arrays."); - error_emitted = true; - } - - ir_constant *cond_val = op[0]->constant_expression_value(); - ir_constant *then_val = op[1]->constant_expression_value(); - ir_constant *else_val = op[2]->constant_expression_value(); - - if (then_instructions.is_empty() - && else_instructions.is_empty() - && (cond_val != NULL) && (then_val != NULL) && (else_val != NULL)) { - result = (cond_val->value.b[0]) ? then_val : else_val; - } else { - ir_variable *const tmp = - new(ctx) ir_variable(type, "conditional_tmp", ir_var_temporary); - instructions->push_tail(tmp); - - ir_if *const stmt = new(ctx) ir_if(op[0]); - instructions->push_tail(stmt); - - then_instructions.move_nodes_to(& stmt->then_instructions); - ir_dereference *const then_deref = - new(ctx) ir_dereference_variable(tmp); - ir_assignment *const then_assign = - new(ctx) ir_assignment(then_deref, op[1], NULL); - stmt->then_instructions.push_tail(then_assign); - - else_instructions.move_nodes_to(& stmt->else_instructions); - ir_dereference *const else_deref = - new(ctx) ir_dereference_variable(tmp); - ir_assignment *const else_assign = - new(ctx) ir_assignment(else_deref, op[2], NULL); - stmt->else_instructions.push_tail(else_assign); - - result = new(ctx) ir_dereference_variable(tmp); - } - break; - } - - case ast_pre_inc: - case ast_pre_dec: { - op[0] = this->subexpressions[0]->hir(instructions, state); - if (op[0]->type->base_type == GLSL_TYPE_FLOAT) - op[1] = new(ctx) ir_constant(1.0f); - else - op[1] = new(ctx) ir_constant(1); - - type = arithmetic_result_type(op[0], op[1], false, state, & loc); - - ir_rvalue *temp_rhs; - temp_rhs = new(ctx) ir_expression(operations[this->oper], type, - op[0], op[1]); - - result = do_assignment(instructions, state, - op[0]->clone(ctx, NULL), temp_rhs, - this->subexpressions[0]->get_location()); - type = result->type; - error_emitted = op[0]->type->is_error(); - break; - } - - case ast_post_inc: - case ast_post_dec: { - op[0] = this->subexpressions[0]->hir(instructions, state); - if (op[0]->type->base_type == GLSL_TYPE_FLOAT) - op[1] = new(ctx) ir_constant(1.0f); - else - op[1] = new(ctx) ir_constant(1); - - error_emitted = op[0]->type->is_error() || op[1]->type->is_error(); - - type = arithmetic_result_type(op[0], op[1], false, state, & loc); - - ir_rvalue *temp_rhs; - temp_rhs = new(ctx) ir_expression(operations[this->oper], type, - op[0], op[1]); - - /* Get a temporary of a copy of the lvalue before it's modified. - * This may get thrown away later. - */ - result = get_lvalue_copy(instructions, op[0]->clone(ctx, NULL)); - - (void)do_assignment(instructions, state, - op[0]->clone(ctx, NULL), temp_rhs, - this->subexpressions[0]->get_location()); - - type = result->type; - error_emitted = op[0]->type->is_error(); - break; - } - - case ast_field_selection: - result = _mesa_ast_field_selection_to_hir(this, instructions, state); - type = result->type; - break; - - case ast_array_index: { - YYLTYPE index_loc = subexpressions[1]->get_location(); - - op[0] = subexpressions[0]->hir(instructions, state); - op[1] = subexpressions[1]->hir(instructions, state); - - error_emitted = op[0]->type->is_error() || op[1]->type->is_error(); - - ir_rvalue *const array = op[0]; - - result = new(ctx) ir_dereference_array(op[0], op[1]); - - /* Do not use op[0] after this point. Use array. - */ - op[0] = NULL; - - - if (error_emitted) - break; - - if (!array->type->is_array() - && !array->type->is_matrix() - && !array->type->is_vector()) { - _mesa_glsl_error(& index_loc, state, - "cannot dereference non-array / non-matrix / " - "non-vector"); - error_emitted = true; - } - - if (!op[1]->type->is_integer()) { - _mesa_glsl_error(& index_loc, state, - "array index must be integer type"); - error_emitted = true; - } else if (!op[1]->type->is_scalar()) { - _mesa_glsl_error(& index_loc, state, - "array index must be scalar"); - error_emitted = true; - } - - /* If the array index is a constant expression and the array has a - * declared size, ensure that the access is in-bounds. If the array - * index is not a constant expression, ensure that the array has a - * declared size. - */ - ir_constant *const const_index = op[1]->constant_expression_value(); - if (const_index != NULL) { - const int idx = const_index->value.i[0]; - const char *type_name; - unsigned bound = 0; - - if (array->type->is_matrix()) { - type_name = "matrix"; - } else if (array->type->is_vector()) { - type_name = "vector"; - } else { - type_name = "array"; - } - - /* From page 24 (page 30 of the PDF) of the GLSL 1.50 spec: - * - * "It is illegal to declare an array with a size, and then - * later (in the same shader) index the same array with an - * integral constant expression greater than or equal to the - * declared size. It is also illegal to index an array with a - * negative constant expression." - */ - if (array->type->is_matrix()) { - if (array->type->row_type()->vector_elements <= idx) { - bound = array->type->row_type()->vector_elements; - } - } else if (array->type->is_vector()) { - if (array->type->vector_elements <= idx) { - bound = array->type->vector_elements; - } - } else { - if ((array->type->array_size() > 0) - && (array->type->array_size() <= idx)) { - bound = array->type->array_size(); - } - } - - if (bound > 0) { - _mesa_glsl_error(& loc, state, "%s index must be < %u", - type_name, bound); - error_emitted = true; - } else if (idx < 0) { - _mesa_glsl_error(& loc, state, "%s index must be >= 0", - type_name); - error_emitted = true; - } - - if (array->type->is_array()) { - /* If the array is a variable dereference, it dereferences the - * whole array, by definition. Use this to get the variable. - * - * FINISHME: Should some methods for getting / setting / testing - * FINISHME: array access limits be added to ir_dereference? - */ - ir_variable *const v = array->whole_variable_referenced(); - if ((v != NULL) && (unsigned(idx) > v->max_array_access)) - v->max_array_access = idx; - } - } else if (array->type->array_size() == 0) { - _mesa_glsl_error(&loc, state, "unsized array index must be constant"); - } else { - if (array->type->is_array()) { - /* whole_variable_referenced can return NULL if the array is a - * member of a structure. In this case it is safe to not update - * the max_array_access field because it is never used for fields - * of structures. - */ - ir_variable *v = array->whole_variable_referenced(); - if (v != NULL) - v->max_array_access = array->type->array_size(); - } - } - - /* From page 23 (29 of the PDF) of the GLSL 1.30 spec: - * - * "Samplers aggregated into arrays within a shader (using square - * brackets [ ]) can only be indexed with integral constant - * expressions [...]." - * - * This restriction was added in GLSL 1.30. Shaders using earlier version - * of the language should not be rejected by the compiler front-end for - * using this construct. This allows useful things such as using a loop - * counter as the index to an array of samplers. If the loop in unrolled, - * the code should compile correctly. Instead, emit a warning. - */ - if (array->type->is_array() && - array->type->element_type()->is_sampler() && - const_index == NULL) { - - if (state->language_version == 100) { - _mesa_glsl_warning(&loc, state, - "sampler arrays indexed with non-constant " - "expressions is optional in GLSL ES 1.00"); - } else if (state->language_version < 130) { - _mesa_glsl_warning(&loc, state, - "sampler arrays indexed with non-constant " - "expressions is forbidden in GLSL 1.30 and " - "later"); - } else { - _mesa_glsl_error(&loc, state, - "sampler arrays indexed with non-constant " - "expressions is forbidden in GLSL 1.30 and " - "later"); - error_emitted = true; - } - } - - if (error_emitted) - result->type = glsl_type::error_type; - - type = result->type; - break; - } - - case ast_function_call: - /* Should *NEVER* get here. ast_function_call should always be handled - * by ast_function_expression::hir. - */ - assert(0); - break; - - case ast_identifier: { - /* ast_identifier can appear several places in a full abstract syntax - * tree. This particular use must be at location specified in the grammar - * as 'variable_identifier'. - */ - ir_variable *var = - state->symbols->get_variable(this->primary_expression.identifier); - - result = new(ctx) ir_dereference_variable(var); - - if (var != NULL) { - var->used = true; - type = result->type; - } else { - _mesa_glsl_error(& loc, state, "`%s' undeclared", - this->primary_expression.identifier); - - error_emitted = true; - } - break; - } - - case ast_int_constant: - type = glsl_type::int_type; - result = new(ctx) ir_constant(this->primary_expression.int_constant); - break; - - case ast_uint_constant: - type = glsl_type::uint_type; - result = new(ctx) ir_constant(this->primary_expression.uint_constant); - break; - - case ast_float_constant: - type = glsl_type::float_type; - result = new(ctx) ir_constant(this->primary_expression.float_constant); - break; - - case ast_bool_constant: - type = glsl_type::bool_type; - result = new(ctx) ir_constant(bool(this->primary_expression.bool_constant)); - break; - - case ast_sequence: { - /* It should not be possible to generate a sequence in the AST without - * any expressions in it. - */ - assert(!this->expressions.is_empty()); - - /* The r-value of a sequence is the last expression in the sequence. If - * the other expressions in the sequence do not have side-effects (and - * therefore add instructions to the instruction list), they get dropped - * on the floor. - */ - foreach_list_typed (ast_node, ast, link, &this->expressions) - result = ast->hir(instructions, state); - - type = result->type; - - /* Any errors should have already been emitted in the loop above. - */ - error_emitted = true; - break; - } - } - - if (type->is_error() && !error_emitted) - _mesa_glsl_error(& loc, state, "type mismatch"); - - return result; -} - - -ir_rvalue * -ast_expression_statement::hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state) -{ - /* It is possible to have expression statements that don't have an - * expression. This is the solitary semicolon: - * - * for (i = 0; i < 5; i++) - * ; - * - * In this case the expression will be NULL. Test for NULL and don't do - * anything in that case. - */ - if (expression != NULL) - expression->hir(instructions, state); - - /* Statements do not have r-values. - */ - return NULL; -} - - -ir_rvalue * -ast_compound_statement::hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state) -{ - if (new_scope) - state->symbols->push_scope(); - - foreach_list_typed (ast_node, ast, link, &this->statements) - ast->hir(instructions, state); - - if (new_scope) - state->symbols->pop_scope(); - - /* Compound statements do not have r-values. - */ - return NULL; -} - - -static const glsl_type * -process_array_type(YYLTYPE *loc, const glsl_type *base, ast_node *array_size, - struct _mesa_glsl_parse_state *state) -{ - unsigned length = 0; - - /* FINISHME: Reject delcarations of multidimensional arrays. */ - - if (array_size != NULL) { - exec_list dummy_instructions; - ir_rvalue *const ir = array_size->hir(& dummy_instructions, state); - YYLTYPE loc = array_size->get_location(); - - /* FINISHME: Verify that the grammar forbids side-effects in array - * FINISHME: sizes. i.e., 'vec4 [x = 12] data' - */ - assert(dummy_instructions.is_empty()); - - if (ir != NULL) { - if (!ir->type->is_integer()) { - _mesa_glsl_error(& loc, state, "array size must be integer type"); - } else if (!ir->type->is_scalar()) { - _mesa_glsl_error(& loc, state, "array size must be scalar type"); - } else { - ir_constant *const size = ir->constant_expression_value(); - - if (size == NULL) { - _mesa_glsl_error(& loc, state, "array size must be a " - "constant valued expression"); - } else if (size->value.i[0] <= 0) { - _mesa_glsl_error(& loc, state, "array size must be > 0"); - } else { - assert(size->type == ir->type); - length = size->value.u[0]; - } - } - } - } else if (state->es_shader) { - /* Section 10.17 of the GLSL ES 1.00 specification states that unsized - * array declarations have been removed from the language. - */ - _mesa_glsl_error(loc, state, "unsized array declarations are not " - "allowed in GLSL ES 1.00."); - } - - return glsl_type::get_array_instance(base, length); -} - - -const glsl_type * -ast_type_specifier::glsl_type(const char **name, - struct _mesa_glsl_parse_state *state) const -{ - const struct glsl_type *type; - - type = state->symbols->get_type(this->type_name); - *name = this->type_name; - - if (this->is_array) { - YYLTYPE loc = this->get_location(); - type = process_array_type(&loc, type, this->array_size, state); - } - - return type; -} - - -static void -apply_type_qualifier_to_variable(const struct ast_type_qualifier *qual, - ir_variable *var, - struct _mesa_glsl_parse_state *state, - YYLTYPE *loc) -{ - if (qual->flags.q.invariant) { - if (var->used) { - _mesa_glsl_error(loc, state, - "variable `%s' may not be redeclared " - "`invariant' after being used", - var->name); - } else { - var->invariant = 1; - } - } - - if (qual->flags.q.constant || qual->flags.q.attribute - || qual->flags.q.uniform - || (qual->flags.q.varying && (state->target == fragment_shader))) - var->read_only = 1; - - if (qual->flags.q.centroid) - var->centroid = 1; - - if (qual->flags.q.attribute && state->target != vertex_shader) { - var->type = glsl_type::error_type; - _mesa_glsl_error(loc, state, - "`attribute' variables may not be declared in the " - "%s shader", - _mesa_glsl_shader_target_name(state->target)); - } - - /* From page 25 (page 31 of the PDF) of the GLSL 1.10 spec: - * - * "The varying qualifier can be used only with the data types - * float, vec2, vec3, vec4, mat2, mat3, and mat4, or arrays of - * these." - */ - if (qual->flags.q.varying) { - const glsl_type *non_array_type; - - if (var->type && var->type->is_array()) - non_array_type = var->type->fields.array; - else - non_array_type = var->type; - - if (non_array_type && non_array_type->base_type != GLSL_TYPE_FLOAT) { - var->type = glsl_type::error_type; - _mesa_glsl_error(loc, state, - "varying variables must be of base type float"); - } - } - - /* If there is no qualifier that changes the mode of the variable, leave - * the setting alone. - */ - if (qual->flags.q.in && qual->flags.q.out) - var->mode = ir_var_inout; - else if (qual->flags.q.attribute || qual->flags.q.in - || (qual->flags.q.varying && (state->target == fragment_shader))) - var->mode = ir_var_in; - else if (qual->flags.q.out - || (qual->flags.q.varying && (state->target == vertex_shader))) - var->mode = ir_var_out; - else if (qual->flags.q.uniform) - var->mode = ir_var_uniform; - - if (state->all_invariant && (state->current_function == NULL)) { - switch (state->target) { - case vertex_shader: - if (var->mode == ir_var_out) - var->invariant = true; - break; - case geometry_shader: - if ((var->mode == ir_var_in) || (var->mode == ir_var_out)) - var->invariant = true; - break; - case fragment_shader: - if (var->mode == ir_var_in) - var->invariant = true; - break; - } - } - - if (qual->flags.q.flat) - var->interpolation = ir_var_flat; - else if (qual->flags.q.noperspective) - var->interpolation = ir_var_noperspective; - else - var->interpolation = ir_var_smooth; - - var->pixel_center_integer = qual->flags.q.pixel_center_integer; - var->origin_upper_left = qual->flags.q.origin_upper_left; - if ((qual->flags.q.origin_upper_left || qual->flags.q.pixel_center_integer) - && (strcmp(var->name, "gl_FragCoord") != 0)) { - const char *const qual_string = (qual->flags.q.origin_upper_left) - ? "origin_upper_left" : "pixel_center_integer"; - - _mesa_glsl_error(loc, state, - "layout qualifier `%s' can only be applied to " - "fragment shader input `gl_FragCoord'", - qual_string); - } - - if (qual->flags.q.explicit_location) { - const bool global_scope = (state->current_function == NULL); - bool fail = false; - const char *string = ""; - - /* In the vertex shader only shader inputs can be given explicit - * locations. - * - * In the fragment shader only shader outputs can be given explicit - * locations. - */ - switch (state->target) { - case vertex_shader: - if (!global_scope || (var->mode != ir_var_in)) { - fail = true; - string = "input"; - } - break; - - case geometry_shader: - _mesa_glsl_error(loc, state, - "geometry shader variables cannot be given " - "explicit locations\n"); - break; - - case fragment_shader: - if (!global_scope || (var->mode != ir_var_in)) { - fail = true; - string = "output"; - } - break; - }; - - if (fail) { - _mesa_glsl_error(loc, state, - "only %s shader %s variables can be given an " - "explicit location\n", - _mesa_glsl_shader_target_name(state->target), - string); - } else { - var->explicit_location = true; - - /* This bit of silliness is needed because invalid explicit locations - * are supposed to be flagged during linking. Small negative values - * biased by VERT_ATTRIB_GENERIC0 or FRAG_RESULT_DATA0 could alias - * built-in values (e.g., -16+VERT_ATTRIB_GENERIC0 = VERT_ATTRIB_POS). - * The linker needs to be able to differentiate these cases. This - * ensures that negative values stay negative. - */ - if (qual->location >= 0) { - var->location = (state->target == vertex_shader) - ? (qual->location + VERT_ATTRIB_GENERIC0) - : (qual->location + FRAG_RESULT_DATA0); - } else { - var->location = qual->location; - } - } - } - - /* Does the declaration use the 'layout' keyword? - */ - const bool uses_layout = qual->flags.q.pixel_center_integer - || qual->flags.q.origin_upper_left - || qual->flags.q.explicit_location; - - /* Does the declaration use the deprecated 'attribute' or 'varying' - * keywords? - */ - const bool uses_deprecated_qualifier = qual->flags.q.attribute - || qual->flags.q.varying; - - /* Is the 'layout' keyword used with parameters that allow relaxed checking. - * Many implementations of GL_ARB_fragment_coord_conventions_enable and some - * implementations (only Mesa?) GL_ARB_explicit_attrib_location_enable - * allowed the layout qualifier to be used with 'varying' and 'attribute'. - * These extensions and all following extensions that add the 'layout' - * keyword have been modified to require the use of 'in' or 'out'. - * - * The following extension do not allow the deprecated keywords: - * - * GL_AMD_conservative_depth - * GL_ARB_gpu_shader5 - * GL_ARB_separate_shader_objects - * GL_ARB_tesselation_shader - * GL_ARB_transform_feedback3 - * GL_ARB_uniform_buffer_object - * - * It is unknown whether GL_EXT_shader_image_load_store or GL_NV_gpu_shader5 - * allow layout with the deprecated keywords. - */ - const bool relaxed_layout_qualifier_checking = - state->ARB_fragment_coord_conventions_enable; - - if (uses_layout && uses_deprecated_qualifier) { - if (relaxed_layout_qualifier_checking) { - _mesa_glsl_warning(loc, state, - "`layout' qualifier may not be used with " - "`attribute' or `varying'"); - } else { - _mesa_glsl_error(loc, state, - "`layout' qualifier may not be used with " - "`attribute' or `varying'"); - } - } - - if (var->type->is_array() && state->language_version != 110) { - var->array_lvalue = true; - } -} - - -ir_rvalue * -ast_declarator_list::hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state) -{ - void *ctx = state; - const struct glsl_type *decl_type; - const char *type_name = NULL; - ir_rvalue *result = NULL; - YYLTYPE loc = this->get_location(); - - /* From page 46 (page 52 of the PDF) of the GLSL 1.50 spec: - * - * "To ensure that a particular output variable is invariant, it is - * necessary to use the invariant qualifier. It can either be used to - * qualify a previously declared variable as being invariant - * - * invariant gl_Position; // make existing gl_Position be invariant" - * - * In these cases the parser will set the 'invariant' flag in the declarator - * list, and the type will be NULL. - */ - if (this->invariant) { - assert(this->type == NULL); - - if (state->current_function != NULL) { - _mesa_glsl_error(& loc, state, - "All uses of `invariant' keyword must be at global " - "scope\n"); - } - - foreach_list_typed (ast_declaration, decl, link, &this->declarations) { - assert(!decl->is_array); - assert(decl->array_size == NULL); - assert(decl->initializer == NULL); - - ir_variable *const earlier = - state->symbols->get_variable(decl->identifier); - if (earlier == NULL) { - _mesa_glsl_error(& loc, state, - "Undeclared variable `%s' cannot be marked " - "invariant\n", decl->identifier); - } else if ((state->target == vertex_shader) - && (earlier->mode != ir_var_out)) { - _mesa_glsl_error(& loc, state, - "`%s' cannot be marked invariant, vertex shader " - "outputs only\n", decl->identifier); - } else if ((state->target == fragment_shader) - && (earlier->mode != ir_var_in)) { - _mesa_glsl_error(& loc, state, - "`%s' cannot be marked invariant, fragment shader " - "inputs only\n", decl->identifier); - } else if (earlier->used) { - _mesa_glsl_error(& loc, state, - "variable `%s' may not be redeclared " - "`invariant' after being used", - earlier->name); - } else { - earlier->invariant = true; - } - } - - /* Invariant redeclarations do not have r-values. - */ - return NULL; - } - - assert(this->type != NULL); - assert(!this->invariant); - - /* The type specifier may contain a structure definition. Process that - * before any of the variable declarations. - */ - (void) this->type->specifier->hir(instructions, state); - - decl_type = this->type->specifier->glsl_type(& type_name, state); - if (this->declarations.is_empty()) { - /* The only valid case where the declaration list can be empty is when - * the declaration is setting the default precision of a built-in type - * (e.g., 'precision highp vec4;'). - */ - - if (decl_type != NULL) { - } else { - _mesa_glsl_error(& loc, state, "incomplete declaration"); - } - } - - foreach_list_typed (ast_declaration, decl, link, &this->declarations) { - const struct glsl_type *var_type; - ir_variable *var; - - /* FINISHME: Emit a warning if a variable declaration shadows a - * FINISHME: declaration at a higher scope. - */ - - if ((decl_type == NULL) || decl_type->is_void()) { - if (type_name != NULL) { - _mesa_glsl_error(& loc, state, - "invalid type `%s' in declaration of `%s'", - type_name, decl->identifier); - } else { - _mesa_glsl_error(& loc, state, - "invalid type in declaration of `%s'", - decl->identifier); - } - continue; - } - - if (decl->is_array) { - var_type = process_array_type(&loc, decl_type, decl->array_size, - state); - } else { - var_type = decl_type; - } - - var = new(ctx) ir_variable(var_type, decl->identifier, ir_var_auto); - - /* From page 22 (page 28 of the PDF) of the GLSL 1.10 specification; - * - * "Global variables can only use the qualifiers const, - * attribute, uni form, or varying. Only one may be - * specified. - * - * Local variables can only use the qualifier const." - * - * This is relaxed in GLSL 1.30. It is also relaxed by any extension - * that adds the 'layout' keyword. - */ - if ((state->language_version < 130) - && !state->ARB_explicit_attrib_location_enable - && !state->ARB_fragment_coord_conventions_enable) { - if (this->type->qualifier.flags.q.out) { - _mesa_glsl_error(& loc, state, - "`out' qualifier in declaration of `%s' " - "only valid for function parameters in %s.", - decl->identifier, state->version_string); - } - if (this->type->qualifier.flags.q.in) { - _mesa_glsl_error(& loc, state, - "`in' qualifier in declaration of `%s' " - "only valid for function parameters in %s.", - decl->identifier, state->version_string); - } - /* FINISHME: Test for other invalid qualifiers. */ - } - - apply_type_qualifier_to_variable(& this->type->qualifier, var, state, - & loc); - - if (this->type->qualifier.flags.q.invariant) { - if ((state->target == vertex_shader) && !(var->mode == ir_var_out || - var->mode == ir_var_inout)) { - /* FINISHME: Note that this doesn't work for invariant on - * a function signature outval - */ - _mesa_glsl_error(& loc, state, - "`%s' cannot be marked invariant, vertex shader " - "outputs only\n", var->name); - } else if ((state->target == fragment_shader) && - !(var->mode == ir_var_in || var->mode == ir_var_inout)) { - /* FINISHME: Note that this doesn't work for invariant on - * a function signature inval - */ - _mesa_glsl_error(& loc, state, - "`%s' cannot be marked invariant, fragment shader " - "inputs only\n", var->name); - } - } - - if (state->current_function != NULL) { - const char *mode = NULL; - const char *extra = ""; - - /* There is no need to check for 'inout' here because the parser will - * only allow that in function parameter lists. - */ - if (this->type->qualifier.flags.q.attribute) { - mode = "attribute"; - } else if (this->type->qualifier.flags.q.uniform) { - mode = "uniform"; - } else if (this->type->qualifier.flags.q.varying) { - mode = "varying"; - } else if (this->type->qualifier.flags.q.in) { - mode = "in"; - extra = " or in function parameter list"; - } else if (this->type->qualifier.flags.q.out) { - mode = "out"; - extra = " or in function parameter list"; - } - - if (mode) { - _mesa_glsl_error(& loc, state, - "%s variable `%s' must be declared at " - "global scope%s", - mode, var->name, extra); - } - } else if (var->mode == ir_var_in) { - var->read_only = true; - - if (state->target == vertex_shader) { - bool error_emitted = false; - - /* From page 31 (page 37 of the PDF) of the GLSL 1.50 spec: - * - * "Vertex shader inputs can only be float, floating-point - * vectors, matrices, signed and unsigned integers and integer - * vectors. Vertex shader inputs can also form arrays of these - * types, but not structures." - * - * From page 31 (page 27 of the PDF) of the GLSL 1.30 spec: - * - * "Vertex shader inputs can only be float, floating-point - * vectors, matrices, signed and unsigned integers and integer - * vectors. They cannot be arrays or structures." - * - * From page 23 (page 29 of the PDF) of the GLSL 1.20 spec: - * - * "The attribute qualifier can be used only with float, - * floating-point vectors, and matrices. Attribute variables - * cannot be declared as arrays or structures." - */ - const glsl_type *check_type = var->type->is_array() - ? var->type->fields.array : var->type; - - switch (check_type->base_type) { - case GLSL_TYPE_FLOAT: - break; - case GLSL_TYPE_UINT: - case GLSL_TYPE_INT: - if (state->language_version > 120) - break; - /* FALLTHROUGH */ - default: - _mesa_glsl_error(& loc, state, - "vertex shader input / attribute cannot have " - "type %s`%s'", - var->type->is_array() ? "array of " : "", - check_type->name); - error_emitted = true; - } - - if (!error_emitted && (state->language_version <= 130) - && var->type->is_array()) { - _mesa_glsl_error(& loc, state, - "vertex shader input / attribute cannot have " - "array type"); - error_emitted = true; - } - } - } - - /* Integer vertex outputs must be qualified with 'flat'. - * - * From section 4.3.6 of the GLSL 1.30 spec: - * "If a vertex output is a signed or unsigned integer or integer - * vector, then it must be qualified with the interpolation qualifier - * flat." - */ - if (state->language_version >= 130 - && state->target == vertex_shader - && state->current_function == NULL - && var->type->is_integer() - && var->mode == ir_var_out - && var->interpolation != ir_var_flat) { - - _mesa_glsl_error(&loc, state, "If a vertex output is an integer, " - "then it must be qualified with 'flat'"); - } - - - /* Interpolation qualifiers cannot be applied to 'centroid' and - * 'centroid varying'. - * - * From page 29 (page 35 of the PDF) of the GLSL 1.30 spec: - * "interpolation qualifiers may only precede the qualifiers in, - * centroid in, out, or centroid out in a declaration. They do not apply - * to the deprecated storage qualifiers varying or centroid varying." - */ - if (state->language_version >= 130 - && this->type->qualifier.has_interpolation() - && this->type->qualifier.flags.q.varying) { - - const char *i = this->type->qualifier.interpolation_string(); - assert(i != NULL); - const char *s; - if (this->type->qualifier.flags.q.centroid) - s = "centroid varying"; - else - s = "varying"; - - _mesa_glsl_error(&loc, state, - "qualifier '%s' cannot be applied to the " - "deprecated storage qualifier '%s'", i, s); - } - - - /* Interpolation qualifiers can only apply to vertex shader outputs and - * fragment shader inputs. - * - * From page 29 (page 35 of the PDF) of the GLSL 1.30 spec: - * "Outputs from a vertex shader (out) and inputs to a fragment - * shader (in) can be further qualified with one or more of these - * interpolation qualifiers" - */ - if (state->language_version >= 130 - && this->type->qualifier.has_interpolation()) { - - const char *i = this->type->qualifier.interpolation_string(); - assert(i != NULL); - - switch (state->target) { - case vertex_shader: - if (this->type->qualifier.flags.q.in) { - _mesa_glsl_error(&loc, state, - "qualifier '%s' cannot be applied to vertex " - "shader inputs", i); - } - break; - case fragment_shader: - if (this->type->qualifier.flags.q.out) { - _mesa_glsl_error(&loc, state, - "qualifier '%s' cannot be applied to fragment " - "shader outputs", i); - } - break; - default: - assert(0); - } - } - - - /* From section 4.3.4 of the GLSL 1.30 spec: - * "It is an error to use centroid in in a vertex shader." - */ - if (state->language_version >= 130 - && this->type->qualifier.flags.q.centroid - && this->type->qualifier.flags.q.in - && state->target == vertex_shader) { - - _mesa_glsl_error(&loc, state, - "'centroid in' cannot be used in a vertex shader"); - } - - - /* Precision qualifiers exists only in GLSL versions 1.00 and >= 1.30. - */ - if (this->type->specifier->precision != ast_precision_none - && state->language_version != 100 - && state->language_version < 130) { - - _mesa_glsl_error(&loc, state, - "precision qualifiers are supported only in GLSL ES " - "1.00, and GLSL 1.30 and later"); - } - - - /* Precision qualifiers only apply to floating point and integer types. - * - * From section 4.5.2 of the GLSL 1.30 spec: - * "Any floating point or any integer declaration can have the type - * preceded by one of these precision qualifiers [...] Literal - * constants do not have precision qualifiers. Neither do Boolean - * variables. - */ - if (this->type->specifier->precision != ast_precision_none - && !var->type->is_float() - && !var->type->is_integer() - && !(var->type->is_array() - && (var->type->fields.array->is_float() - || var->type->fields.array->is_integer()))) { - - _mesa_glsl_error(&loc, state, - "precision qualifiers apply only to floating point " - "and integer types"); - } - - /* Process the initializer and add its instructions to a temporary - * list. This list will be added to the instruction stream (below) after - * the declaration is added. This is done because in some cases (such as - * redeclarations) the declaration may not actually be added to the - * instruction stream. - */ - exec_list initializer_instructions; - if (decl->initializer != NULL) { - YYLTYPE initializer_loc = decl->initializer->get_location(); - - /* From page 24 (page 30 of the PDF) of the GLSL 1.10 spec: - * - * "All uniform variables are read-only and are initialized either - * directly by an application via API commands, or indirectly by - * OpenGL." - */ - if ((state->language_version <= 110) - && (var->mode == ir_var_uniform)) { - _mesa_glsl_error(& initializer_loc, state, - "cannot initialize uniforms in GLSL 1.10"); - } - - if (var->type->is_sampler()) { - _mesa_glsl_error(& initializer_loc, state, - "cannot initialize samplers"); - } - - if ((var->mode == ir_var_in) && (state->current_function == NULL)) { - _mesa_glsl_error(& initializer_loc, state, - "cannot initialize %s shader input / %s", - _mesa_glsl_shader_target_name(state->target), - (state->target == vertex_shader) - ? "attribute" : "varying"); - } - - ir_dereference *const lhs = new(ctx) ir_dereference_variable(var); - ir_rvalue *rhs = decl->initializer->hir(&initializer_instructions, - state); - - /* Calculate the constant value if this is a const or uniform - * declaration. - */ - if (this->type->qualifier.flags.q.constant - || this->type->qualifier.flags.q.uniform) { - ir_rvalue *new_rhs = validate_assignment(state, var->type, rhs); - if (new_rhs != NULL) { - rhs = new_rhs; - - ir_constant *constant_value = rhs->constant_expression_value(); - if (!constant_value) { - _mesa_glsl_error(& initializer_loc, state, - "initializer of %s variable `%s' must be a " - "constant expression", - (this->type->qualifier.flags.q.constant) - ? "const" : "uniform", - decl->identifier); - if (var->type->is_numeric()) { - /* Reduce cascading errors. */ - var->constant_value = ir_constant::zero(ctx, var->type); - } - } else { - rhs = constant_value; - var->constant_value = constant_value; - } - } else { - _mesa_glsl_error(&initializer_loc, state, - "initializer of type %s cannot be assigned to " - "variable of type %s", - rhs->type->name, var->type->name); - if (var->type->is_numeric()) { - /* Reduce cascading errors. */ - var->constant_value = ir_constant::zero(ctx, var->type); - } - } - } - - if (rhs && !rhs->type->is_error()) { - bool temp = var->read_only; - if (this->type->qualifier.flags.q.constant) - var->read_only = false; - - /* Never emit code to initialize a uniform. - */ - const glsl_type *initializer_type; - if (!this->type->qualifier.flags.q.uniform) { - result = do_assignment(&initializer_instructions, state, - lhs, rhs, - this->get_location()); - initializer_type = result->type; - } else - initializer_type = rhs->type; - - /* If the declared variable is an unsized array, it must inherrit - * its full type from the initializer. A declaration such as - * - * uniform float a[] = float[](1.0, 2.0, 3.0, 3.0); - * - * becomes - * - * uniform float a[4] = float[](1.0, 2.0, 3.0, 3.0); - * - * The assignment generated in the if-statement (below) will also - * automatically handle this case for non-uniforms. - * - * If the declared variable is not an array, the types must - * already match exactly. As a result, the type assignment - * here can be done unconditionally. For non-uniforms the call - * to do_assignment can change the type of the initializer (via - * the implicit conversion rules). For uniforms the initializer - * must be a constant expression, and the type of that expression - * was validated above. - */ - var->type = initializer_type; - - var->read_only = temp; - } - } - - /* From page 23 (page 29 of the PDF) of the GLSL 1.10 spec: - * - * "It is an error to write to a const variable outside of - * its declaration, so they must be initialized when - * declared." - */ - if (this->type->qualifier.flags.q.constant && decl->initializer == NULL) { - _mesa_glsl_error(& loc, state, - "const declaration of `%s' must be initialized", - decl->identifier); - } - - /* Check if this declaration is actually a re-declaration, either to - * resize an array or add qualifiers to an existing variable. - * - * This is allowed for variables in the current scope, or when at - * global scope (for built-ins in the implicit outer scope). - */ - ir_variable *earlier = state->symbols->get_variable(decl->identifier); - if (earlier != NULL && (state->current_function == NULL || - state->symbols->name_declared_this_scope(decl->identifier))) { - - /* From page 24 (page 30 of the PDF) of the GLSL 1.50 spec, - * - * "It is legal to declare an array without a size and then - * later re-declare the same name as an array of the same - * type and specify a size." - */ - if ((earlier->type->array_size() == 0) - && var->type->is_array() - && (var->type->element_type() == earlier->type->element_type())) { - /* FINISHME: This doesn't match the qualifiers on the two - * FINISHME: declarations. It's not 100% clear whether this is - * FINISHME: required or not. - */ - - /* From page 54 (page 60 of the PDF) of the GLSL 1.20 spec: - * - * "The size [of gl_TexCoord] can be at most - * gl_MaxTextureCoords." - */ - const unsigned size = unsigned(var->type->array_size()); - if ((strcmp("gl_TexCoord", var->name) == 0) - && (size > state->Const.MaxTextureCoords)) { - YYLTYPE loc = this->get_location(); - - _mesa_glsl_error(& loc, state, "`gl_TexCoord' array size cannot " - "be larger than gl_MaxTextureCoords (%u)\n", - state->Const.MaxTextureCoords); - } else if ((size > 0) && (size <= earlier->max_array_access)) { - YYLTYPE loc = this->get_location(); - - _mesa_glsl_error(& loc, state, "array size must be > %u due to " - "previous access", - earlier->max_array_access); - } - - earlier->type = var->type; - delete var; - var = NULL; - } else if (state->ARB_fragment_coord_conventions_enable - && strcmp(var->name, "gl_FragCoord") == 0 - && earlier->type == var->type - && earlier->mode == var->mode) { - /* Allow redeclaration of gl_FragCoord for ARB_fcc layout - * qualifiers. - */ - earlier->origin_upper_left = var->origin_upper_left; - earlier->pixel_center_integer = var->pixel_center_integer; - - /* According to section 4.3.7 of the GLSL 1.30 spec, - * the following built-in varaibles can be redeclared with an - * interpolation qualifier: - * * gl_FrontColor - * * gl_BackColor - * * gl_FrontSecondaryColor - * * gl_BackSecondaryColor - * * gl_Color - * * gl_SecondaryColor - */ - } else if (state->language_version >= 130 - && (strcmp(var->name, "gl_FrontColor") == 0 - || strcmp(var->name, "gl_BackColor") == 0 - || strcmp(var->name, "gl_FrontSecondaryColor") == 0 - || strcmp(var->name, "gl_BackSecondaryColor") == 0 - || strcmp(var->name, "gl_Color") == 0 - || strcmp(var->name, "gl_SecondaryColor") == 0) - && earlier->type == var->type - && earlier->mode == var->mode) { - earlier->interpolation = var->interpolation; - } else { - YYLTYPE loc = this->get_location(); - _mesa_glsl_error(&loc, state, "`%s' redeclared", decl->identifier); - } - - continue; - } - - /* By now, we know it's a new variable declaration (we didn't hit the - * above "continue"). - * - * From page 15 (page 21 of the PDF) of the GLSL 1.10 spec, - * - * "Identifiers starting with "gl_" are reserved for use by - * OpenGL, and may not be declared in a shader as either a - * variable or a function." - */ - if (strncmp(decl->identifier, "gl_", 3) == 0) - _mesa_glsl_error(& loc, state, - "identifier `%s' uses reserved `gl_' prefix", - decl->identifier); - - /* Add the variable to the symbol table. Note that the initializer's - * IR was already processed earlier (though it hasn't been emitted yet), - * without the variable in scope. - * - * This differs from most C-like languages, but it follows the GLSL - * specification. From page 28 (page 34 of the PDF) of the GLSL 1.50 - * spec: - * - * "Within a declaration, the scope of a name starts immediately - * after the initializer if present or immediately after the name - * being declared if not." - */ - if (!state->symbols->add_variable(var)) { - YYLTYPE loc = this->get_location(); - _mesa_glsl_error(&loc, state, "name `%s' already taken in the " - "current scope", decl->identifier); - continue; - } - - /* Push the variable declaration to the top. It means that all - * the variable declarations will appear in a funny - * last-to-first order, but otherwise we run into trouble if a - * function is prototyped, a global var is decled, then the - * function is defined with usage of the global var. See - * glslparsertest's CorrectModule.frag. - */ - instructions->push_head(var); - instructions->append_list(&initializer_instructions); - } - - - /* Generally, variable declarations do not have r-values. However, - * one is used for the declaration in - * - * while (bool b = some_condition()) { - * ... - * } - * - * so we return the rvalue from the last seen declaration here. - */ - return result; -} - - -ir_rvalue * -ast_parameter_declarator::hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state) -{ - void *ctx = state; - const struct glsl_type *type; - const char *name = NULL; - YYLTYPE loc = this->get_location(); - - type = this->type->specifier->glsl_type(& name, state); - - if (type == NULL) { - if (name != NULL) { - _mesa_glsl_error(& loc, state, - "invalid type `%s' in declaration of `%s'", - name, this->identifier); - } else { - _mesa_glsl_error(& loc, state, - "invalid type in declaration of `%s'", - this->identifier); - } - - type = glsl_type::error_type; - } - - /* From page 62 (page 68 of the PDF) of the GLSL 1.50 spec: - * - * "Functions that accept no input arguments need not use void in the - * argument list because prototypes (or definitions) are required and - * therefore there is no ambiguity when an empty argument list "( )" is - * declared. The idiom "(void)" as a parameter list is provided for - * convenience." - * - * Placing this check here prevents a void parameter being set up - * for a function, which avoids tripping up checks for main taking - * parameters and lookups of an unnamed symbol. - */ - if (type->is_void()) { - if (this->identifier != NULL) - _mesa_glsl_error(& loc, state, - "named parameter cannot have type `void'"); - - is_void = true; - return NULL; - } - - if (formal_parameter && (this->identifier == NULL)) { - _mesa_glsl_error(& loc, state, "formal parameter lacks a name"); - return NULL; - } - - /* This only handles "vec4 foo[..]". The earlier specifier->glsl_type(...) - * call already handled the "vec4[..] foo" case. - */ - if (this->is_array) { - type = process_array_type(&loc, type, this->array_size, state); - } - - if (type->array_size() == 0) { - _mesa_glsl_error(&loc, state, "arrays passed as parameters must have " - "a declared size."); - type = glsl_type::error_type; - } - - is_void = false; - ir_variable *var = new(ctx) ir_variable(type, this->identifier, ir_var_in); - - /* Apply any specified qualifiers to the parameter declaration. Note that - * for function parameters the default mode is 'in'. - */ - apply_type_qualifier_to_variable(& this->type->qualifier, var, state, & loc); - - instructions->push_tail(var); - - /* Parameter declarations do not have r-values. - */ - return NULL; -} - - -void -ast_parameter_declarator::parameters_to_hir(exec_list *ast_parameters, - bool formal, - exec_list *ir_parameters, - _mesa_glsl_parse_state *state) -{ - ast_parameter_declarator *void_param = NULL; - unsigned count = 0; - - foreach_list_typed (ast_parameter_declarator, param, link, ast_parameters) { - param->formal_parameter = formal; - param->hir(ir_parameters, state); - - if (param->is_void) - void_param = param; - - count++; - } - - if ((void_param != NULL) && (count > 1)) { - YYLTYPE loc = void_param->get_location(); - - _mesa_glsl_error(& loc, state, - "`void' parameter must be only parameter"); - } -} - - -void -emit_function(_mesa_glsl_parse_state *state, exec_list *instructions, - ir_function *f) -{ - /* Emit the new function header */ - if (state->current_function == NULL) { - instructions->push_tail(f); - } else { - /* IR invariants disallow function declarations or definitions nested - * within other function definitions. Insert the new ir_function - * block in the instruction sequence before the ir_function block - * containing the current ir_function_signature. - */ - ir_function *const curr = - const_cast(state->current_function->function()); - - curr->insert_before(f); - } -} - - -ir_rvalue * -ast_function::hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state) -{ - void *ctx = state; - ir_function *f = NULL; - ir_function_signature *sig = NULL; - exec_list hir_parameters; - - const char *const name = identifier; - - /* From page 21 (page 27 of the PDF) of the GLSL 1.20 spec, - * - * "Function declarations (prototypes) cannot occur inside of functions; - * they must be at global scope, or for the built-in functions, outside - * the global scope." - * - * From page 27 (page 33 of the PDF) of the GLSL ES 1.00.16 spec, - * - * "User defined functions may only be defined within the global scope." - * - * Note that this language does not appear in GLSL 1.10. - */ - if ((state->current_function != NULL) && (state->language_version != 110)) { - YYLTYPE loc = this->get_location(); - _mesa_glsl_error(&loc, state, - "declaration of function `%s' not allowed within " - "function body", name); - } - - /* From page 15 (page 21 of the PDF) of the GLSL 1.10 spec, - * - * "Identifiers starting with "gl_" are reserved for use by - * OpenGL, and may not be declared in a shader as either a - * variable or a function." - */ - if (strncmp(name, "gl_", 3) == 0) { - YYLTYPE loc = this->get_location(); - _mesa_glsl_error(&loc, state, - "identifier `%s' uses reserved `gl_' prefix", name); - } - - /* Convert the list of function parameters to HIR now so that they can be - * used below to compare this function's signature with previously seen - * signatures for functions with the same name. - */ - ast_parameter_declarator::parameters_to_hir(& this->parameters, - is_definition, - & hir_parameters, state); - - const char *return_type_name; - const glsl_type *return_type = - this->return_type->specifier->glsl_type(& return_type_name, state); - - if (!return_type) { - YYLTYPE loc = this->get_location(); - _mesa_glsl_error(&loc, state, - "function `%s' has undeclared return type `%s'", - name, return_type_name); - return_type = glsl_type::error_type; - } - - /* From page 56 (page 62 of the PDF) of the GLSL 1.30 spec: - * "No qualifier is allowed on the return type of a function." - */ - if (this->return_type->has_qualifiers()) { - YYLTYPE loc = this->get_location(); - _mesa_glsl_error(& loc, state, - "function `%s' return type has qualifiers", name); - } - - /* Verify that this function's signature either doesn't match a previously - * seen signature for a function with the same name, or, if a match is found, - * that the previously seen signature does not have an associated definition. - */ - f = state->symbols->get_function(name); - if (f != NULL && (state->es_shader || f->has_user_signature())) { - sig = f->exact_matching_signature(&hir_parameters); - if (sig != NULL) { - const char *badvar = sig->qualifiers_match(&hir_parameters); - if (badvar != NULL) { - YYLTYPE loc = this->get_location(); - - _mesa_glsl_error(&loc, state, "function `%s' parameter `%s' " - "qualifiers don't match prototype", name, badvar); - } - - if (sig->return_type != return_type) { - YYLTYPE loc = this->get_location(); - - _mesa_glsl_error(&loc, state, "function `%s' return type doesn't " - "match prototype", name); - } - - if (is_definition && sig->is_defined) { - YYLTYPE loc = this->get_location(); - - _mesa_glsl_error(& loc, state, "function `%s' redefined", name); - } - } - } else { - f = new(ctx) ir_function(name); - if (!state->symbols->add_function(f)) { - /* This function name shadows a non-function use of the same name. */ - YYLTYPE loc = this->get_location(); - - _mesa_glsl_error(&loc, state, "function name `%s' conflicts with " - "non-function", name); - return NULL; - } - - emit_function(state, instructions, f); - } - - /* Verify the return type of main() */ - if (strcmp(name, "main") == 0) { - if (! return_type->is_void()) { - YYLTYPE loc = this->get_location(); - - _mesa_glsl_error(& loc, state, "main() must return void"); - } - - if (!hir_parameters.is_empty()) { - YYLTYPE loc = this->get_location(); - - _mesa_glsl_error(& loc, state, "main() must not take any parameters"); - } - } - - /* Finish storing the information about this new function in its signature. - */ - if (sig == NULL) { - sig = new(ctx) ir_function_signature(return_type); - f->add_signature(sig); - } - - sig->replace_parameters(&hir_parameters); - signature = sig; - - /* Function declarations (prototypes) do not have r-values. - */ - return NULL; -} - - -ir_rvalue * -ast_function_definition::hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state) -{ - prototype->is_definition = true; - prototype->hir(instructions, state); - - ir_function_signature *signature = prototype->signature; - if (signature == NULL) - return NULL; - - assert(state->current_function == NULL); - state->current_function = signature; - state->found_return = false; - - /* Duplicate parameters declared in the prototype as concrete variables. - * Add these to the symbol table. - */ - state->symbols->push_scope(); - foreach_iter(exec_list_iterator, iter, signature->parameters) { - ir_variable *const var = ((ir_instruction *) iter.get())->as_variable(); - - assert(var != NULL); - - /* The only way a parameter would "exist" is if two parameters have - * the same name. - */ - if (state->symbols->name_declared_this_scope(var->name)) { - YYLTYPE loc = this->get_location(); - - _mesa_glsl_error(& loc, state, "parameter `%s' redeclared", var->name); - } else { - state->symbols->add_variable(var); - } - } - - /* Convert the body of the function to HIR. */ - this->body->hir(&signature->body, state); - signature->is_defined = true; - - state->symbols->pop_scope(); - - assert(state->current_function == signature); - state->current_function = NULL; - - if (!signature->return_type->is_void() && !state->found_return) { - YYLTYPE loc = this->get_location(); - _mesa_glsl_error(& loc, state, "function `%s' has non-void return type " - "%s, but no return statement", - signature->function_name(), - signature->return_type->name); - } - - /* Function definitions do not have r-values. - */ - return NULL; -} - - -ir_rvalue * -ast_jump_statement::hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state) -{ - void *ctx = state; - - switch (mode) { - case ast_return: { - ir_return *inst; - assert(state->current_function); - - if (opt_return_value) { - ir_rvalue *const ret = opt_return_value->hir(instructions, state); - - /* The value of the return type can be NULL if the shader says - * 'return foo();' and foo() is a function that returns void. - * - * NOTE: The GLSL spec doesn't say that this is an error. The type - * of the return value is void. If the return type of the function is - * also void, then this should compile without error. Seriously. - */ - const glsl_type *const ret_type = - (ret == NULL) ? glsl_type::void_type : ret->type; - - /* Implicit conversions are not allowed for return values. */ - if (state->current_function->return_type != ret_type) { - YYLTYPE loc = this->get_location(); - - _mesa_glsl_error(& loc, state, - "`return' with wrong type %s, in function `%s' " - "returning %s", - ret_type->name, - state->current_function->function_name(), - state->current_function->return_type->name); - } - - inst = new(ctx) ir_return(ret); - } else { - if (state->current_function->return_type->base_type != - GLSL_TYPE_VOID) { - YYLTYPE loc = this->get_location(); - - _mesa_glsl_error(& loc, state, - "`return' with no value, in function %s returning " - "non-void", - state->current_function->function_name()); - } - inst = new(ctx) ir_return; - } - - state->found_return = true; - instructions->push_tail(inst); - break; - } - - case ast_discard: - if (state->target != fragment_shader) { - YYLTYPE loc = this->get_location(); - - _mesa_glsl_error(& loc, state, - "`discard' may only appear in a fragment shader"); - } - instructions->push_tail(new(ctx) ir_discard); - break; - - case ast_break: - case ast_continue: - /* FINISHME: Handle switch-statements. They cannot contain 'continue', - * FINISHME: and they use a different IR instruction for 'break'. - */ - /* FINISHME: Correctly handle the nesting. If a switch-statement is - * FINISHME: inside a loop, a 'continue' is valid and will bind to the - * FINISHME: loop. - */ - if (state->loop_or_switch_nesting == NULL) { - YYLTYPE loc = this->get_location(); - - _mesa_glsl_error(& loc, state, - "`%s' may only appear in a loop", - (mode == ast_break) ? "break" : "continue"); - } else { - ir_loop *const loop = state->loop_or_switch_nesting->as_loop(); - - /* Inline the for loop expression again, since we don't know - * where near the end of the loop body the normal copy of it - * is going to be placed. - */ - if (mode == ast_continue && - state->loop_or_switch_nesting_ast->rest_expression) { - state->loop_or_switch_nesting_ast->rest_expression->hir(instructions, - state); - } - - if (loop != NULL) { - ir_loop_jump *const jump = - new(ctx) ir_loop_jump((mode == ast_break) - ? ir_loop_jump::jump_break - : ir_loop_jump::jump_continue); - instructions->push_tail(jump); - } - } - - break; - } - - /* Jump instructions do not have r-values. - */ - return NULL; -} - - -ir_rvalue * -ast_selection_statement::hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state) -{ - void *ctx = state; - - ir_rvalue *const condition = this->condition->hir(instructions, state); - - /* From page 66 (page 72 of the PDF) of the GLSL 1.50 spec: - * - * "Any expression whose type evaluates to a Boolean can be used as the - * conditional expression bool-expression. Vector types are not accepted - * as the expression to if." - * - * The checks are separated so that higher quality diagnostics can be - * generated for cases where both rules are violated. - */ - if (!condition->type->is_boolean() || !condition->type->is_scalar()) { - YYLTYPE loc = this->condition->get_location(); - - _mesa_glsl_error(& loc, state, "if-statement condition must be scalar " - "boolean"); - } - - ir_if *const stmt = new(ctx) ir_if(condition); - - if (then_statement != NULL) { - state->symbols->push_scope(); - then_statement->hir(& stmt->then_instructions, state); - state->symbols->pop_scope(); - } - - if (else_statement != NULL) { - state->symbols->push_scope(); - else_statement->hir(& stmt->else_instructions, state); - state->symbols->pop_scope(); - } - - instructions->push_tail(stmt); - - /* if-statements do not have r-values. - */ - return NULL; -} - - -void -ast_iteration_statement::condition_to_hir(ir_loop *stmt, - struct _mesa_glsl_parse_state *state) -{ - void *ctx = state; - - if (condition != NULL) { - ir_rvalue *const cond = - condition->hir(& stmt->body_instructions, state); - - if ((cond == NULL) - || !cond->type->is_boolean() || !cond->type->is_scalar()) { - YYLTYPE loc = condition->get_location(); - - _mesa_glsl_error(& loc, state, - "loop condition must be scalar boolean"); - } else { - /* As the first code in the loop body, generate a block that looks - * like 'if (!condition) break;' as the loop termination condition. - */ - ir_rvalue *const not_cond = - new(ctx) ir_expression(ir_unop_logic_not, glsl_type::bool_type, cond, - NULL); - - ir_if *const if_stmt = new(ctx) ir_if(not_cond); - - ir_jump *const break_stmt = - new(ctx) ir_loop_jump(ir_loop_jump::jump_break); - - if_stmt->then_instructions.push_tail(break_stmt); - stmt->body_instructions.push_tail(if_stmt); - } - } -} - - -ir_rvalue * -ast_iteration_statement::hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state) -{ - void *ctx = state; - - /* For-loops and while-loops start a new scope, but do-while loops do not. - */ - if (mode != ast_do_while) - state->symbols->push_scope(); - - if (init_statement != NULL) - init_statement->hir(instructions, state); - - ir_loop *const stmt = new(ctx) ir_loop(); - instructions->push_tail(stmt); - - /* Track the current loop and / or switch-statement nesting. - */ - ir_instruction *const nesting = state->loop_or_switch_nesting; - ast_iteration_statement *nesting_ast = state->loop_or_switch_nesting_ast; - - state->loop_or_switch_nesting = stmt; - state->loop_or_switch_nesting_ast = this; - - if (mode != ast_do_while) - condition_to_hir(stmt, state); - - if (body != NULL) - body->hir(& stmt->body_instructions, state); - - if (rest_expression != NULL) - rest_expression->hir(& stmt->body_instructions, state); - - if (mode == ast_do_while) - condition_to_hir(stmt, state); - - if (mode != ast_do_while) - state->symbols->pop_scope(); - - /* Restore previous nesting before returning. - */ - state->loop_or_switch_nesting = nesting; - state->loop_or_switch_nesting_ast = nesting_ast; - - /* Loops do not have r-values. - */ - return NULL; -} - - -ir_rvalue * -ast_type_specifier::hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state) -{ - if (!this->is_precision_statement && this->structure == NULL) - return NULL; - - YYLTYPE loc = this->get_location(); - - if (this->precision != ast_precision_none - && state->language_version != 100 - && state->language_version < 130) { - _mesa_glsl_error(&loc, state, - "precision qualifiers exist only in " - "GLSL ES 1.00, and GLSL 1.30 and later"); - return NULL; - } - if (this->precision != ast_precision_none - && this->structure != NULL) { - _mesa_glsl_error(&loc, state, - "precision qualifiers do not apply to structures"); - return NULL; - } - - /* If this is a precision statement, check that the type to which it is - * applied is either float or int. - * - * From section 4.5.3 of the GLSL 1.30 spec: - * "The precision statement - * precision precision-qualifier type; - * can be used to establish a default precision qualifier. The type - * field can be either int or float [...]. Any other types or - * qualifiers will result in an error. - */ - if (this->is_precision_statement) { - assert(this->precision != ast_precision_none); - assert(this->structure == NULL); /* The check for structures was - * performed above. */ - if (this->is_array) { - _mesa_glsl_error(&loc, state, - "default precision statements do not apply to " - "arrays"); - return NULL; - } - if (this->type_specifier != ast_float - && this->type_specifier != ast_int) { - _mesa_glsl_error(&loc, state, - "default precision statements apply only to types " - "float and int"); - return NULL; - } - - /* FINISHME: Translate precision statements into IR. */ - return NULL; - } - - if (this->structure != NULL) - return this->structure->hir(instructions, state); - - return NULL; -} - - -ir_rvalue * -ast_struct_specifier::hir(exec_list *instructions, - struct _mesa_glsl_parse_state *state) -{ - unsigned decl_count = 0; - - /* Make an initial pass over the list of structure fields to determine how - * many there are. Each element in this list is an ast_declarator_list. - * This means that we actually need to count the number of elements in the - * 'declarations' list in each of the elements. - */ - foreach_list_typed (ast_declarator_list, decl_list, link, - &this->declarations) { - foreach_list_const (decl_ptr, & decl_list->declarations) { - decl_count++; - } - } - - /* Allocate storage for the structure fields and process the field - * declarations. As the declarations are processed, try to also convert - * the types to HIR. This ensures that structure definitions embedded in - * other structure definitions are processed. - */ - glsl_struct_field *const fields = talloc_array(state, glsl_struct_field, - decl_count); - - unsigned i = 0; - foreach_list_typed (ast_declarator_list, decl_list, link, - &this->declarations) { - const char *type_name; - - decl_list->type->specifier->hir(instructions, state); - - /* Section 10.9 of the GLSL ES 1.00 specification states that - * embedded structure definitions have been removed from the language. - */ - if (state->es_shader && decl_list->type->specifier->structure != NULL) { - YYLTYPE loc = this->get_location(); - _mesa_glsl_error(&loc, state, "Embedded structure definitions are " - "not allowed in GLSL ES 1.00."); - } - - const glsl_type *decl_type = - decl_list->type->specifier->glsl_type(& type_name, state); - - foreach_list_typed (ast_declaration, decl, link, - &decl_list->declarations) { - const struct glsl_type *field_type = decl_type; - if (decl->is_array) { - YYLTYPE loc = decl->get_location(); - field_type = process_array_type(&loc, decl_type, decl->array_size, - state); - } - fields[i].type = (field_type != NULL) - ? field_type : glsl_type::error_type; - fields[i].name = decl->identifier; - i++; - } - } - - assert(i == decl_count); - - const glsl_type *t = - glsl_type::get_record_instance(fields, decl_count, this->name); - - YYLTYPE loc = this->get_location(); - if (!state->symbols->add_type(name, t)) { - _mesa_glsl_error(& loc, state, "struct `%s' previously defined", name); - } else { - - const glsl_type **s = (const glsl_type **) - realloc(state->user_structures, - sizeof(state->user_structures[0]) * - (state->num_user_structures + 1)); - if (s != NULL) { - s[state->num_user_structures] = t; - state->user_structures = s; - state->num_user_structures++; - } - } - - /* Structure type definitions do not have r-values. - */ - return NULL; -} +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/** + * \file ast_to_hir.c + * Convert abstract syntax to to high-level intermediate reprensentation (HIR). + * + * During the conversion to HIR, the majority of the symantic checking is + * preformed on the program. This includes: + * + * * Symbol table management + * * Type checking + * * Function binding + * + * The majority of this work could be done during parsing, and the parser could + * probably generate HIR directly. However, this results in frequent changes + * to the parser code. Since we do not assume that every system this complier + * is built on will have Flex and Bison installed, we have to store the code + * generated by these tools in our version control system. In other parts of + * the system we've seen problems where a parser was changed but the generated + * code was not committed, merge conflicts where created because two developers + * had slightly different versions of Bison installed, etc. + * + * I have also noticed that running Bison generated parsers in GDB is very + * irritating. When you get a segfault on '$$ = $1->foo', you can't very + * well 'print $1' in GDB. + * + * As a result, my preference is to put as little C code as possible in the + * parser (and lexer) sources. + */ + +#include "main/core.h" /* for struct gl_extensions */ +#include "glsl_symbol_table.h" +#include "glsl_parser_extras.h" +#include "ast.h" +#include "glsl_types.h" +#include "ir.h" + +void +_mesa_ast_to_hir(exec_list *instructions, struct _mesa_glsl_parse_state *state) +{ + _mesa_glsl_initialize_variables(instructions, state); + _mesa_glsl_initialize_functions(state); + + state->symbols->language_version = state->language_version; + + state->current_function = NULL; + + /* Section 4.2 of the GLSL 1.20 specification states: + * "The built-in functions are scoped in a scope outside the global scope + * users declare global variables in. That is, a shader's global scope, + * available for user-defined functions and global variables, is nested + * inside the scope containing the built-in functions." + * + * Since built-in functions like ftransform() access built-in variables, + * it follows that those must be in the outer scope as well. + * + * We push scope here to create this nesting effect...but don't pop. + * This way, a shader's globals are still in the symbol table for use + * by the linker. + */ + state->symbols->push_scope(); + + foreach_list_typed (ast_node, ast, link, & state->translation_unit) + ast->hir(instructions, state); +} + + +/** + * If a conversion is available, convert one operand to a different type + * + * The \c from \c ir_rvalue is converted "in place". + * + * \param to Type that the operand it to be converted to + * \param from Operand that is being converted + * \param state GLSL compiler state + * + * \return + * If a conversion is possible (or unnecessary), \c true is returned. + * Otherwise \c false is returned. + */ +bool +apply_implicit_conversion(const glsl_type *to, ir_rvalue * &from, + struct _mesa_glsl_parse_state *state) +{ + void *ctx = state; + if (to->base_type == from->type->base_type) + return true; + + /* This conversion was added in GLSL 1.20. If the compilation mode is + * GLSL 1.10, the conversion is skipped. + */ + if (state->language_version < 120) + return false; + + /* From page 27 (page 33 of the PDF) of the GLSL 1.50 spec: + * + * "There are no implicit array or structure conversions. For + * example, an array of int cannot be implicitly converted to an + * array of float. There are no implicit conversions between + * signed and unsigned integers." + */ + /* FINISHME: The above comment is partially a lie. There is int/uint + * FINISHME: conversion for immediate constants. + */ + if (!to->is_float() || !from->type->is_numeric()) + return false; + + /* Convert to a floating point type with the same number of components + * as the original type - i.e. int to float, not int to vec4. + */ + to = glsl_type::get_instance(GLSL_TYPE_FLOAT, from->type->vector_elements, + from->type->matrix_columns); + + switch (from->type->base_type) { + case GLSL_TYPE_INT: + from = new(ctx) ir_expression(ir_unop_i2f, to, from, NULL); + break; + case GLSL_TYPE_UINT: + from = new(ctx) ir_expression(ir_unop_u2f, to, from, NULL); + break; + case GLSL_TYPE_BOOL: + from = new(ctx) ir_expression(ir_unop_b2f, to, from, NULL); + break; + default: + assert(0); + } + + return true; +} + + +static const struct glsl_type * +arithmetic_result_type(ir_rvalue * &value_a, ir_rvalue * &value_b, + bool multiply, + struct _mesa_glsl_parse_state *state, YYLTYPE *loc) +{ + const glsl_type *type_a = value_a->type; + const glsl_type *type_b = value_b->type; + + /* From GLSL 1.50 spec, page 56: + * + * "The arithmetic binary operators add (+), subtract (-), + * multiply (*), and divide (/) operate on integer and + * floating-point scalars, vectors, and matrices." + */ + if (!type_a->is_numeric() || !type_b->is_numeric()) { + _mesa_glsl_error(loc, state, + "Operands to arithmetic operators must be numeric"); + return glsl_type::error_type; + } + + + /* "If one operand is floating-point based and the other is + * not, then the conversions from Section 4.1.10 "Implicit + * Conversions" are applied to the non-floating-point-based operand." + */ + if (!apply_implicit_conversion(type_a, value_b, state) + && !apply_implicit_conversion(type_b, value_a, state)) { + _mesa_glsl_error(loc, state, + "Could not implicitly convert operands to " + "arithmetic operator"); + return glsl_type::error_type; + } + type_a = value_a->type; + type_b = value_b->type; + + /* "If the operands are integer types, they must both be signed or + * both be unsigned." + * + * From this rule and the preceeding conversion it can be inferred that + * both types must be GLSL_TYPE_FLOAT, or GLSL_TYPE_UINT, or GLSL_TYPE_INT. + * The is_numeric check above already filtered out the case where either + * type is not one of these, so now the base types need only be tested for + * equality. + */ + if (type_a->base_type != type_b->base_type) { + _mesa_glsl_error(loc, state, + "base type mismatch for arithmetic operator"); + return glsl_type::error_type; + } + + /* "All arithmetic binary operators result in the same fundamental type + * (signed integer, unsigned integer, or floating-point) as the + * operands they operate on, after operand type conversion. After + * conversion, the following cases are valid + * + * * The two operands are scalars. In this case the operation is + * applied, resulting in a scalar." + */ + if (type_a->is_scalar() && type_b->is_scalar()) + return type_a; + + /* "* One operand is a scalar, and the other is a vector or matrix. + * In this case, the scalar operation is applied independently to each + * component of the vector or matrix, resulting in the same size + * vector or matrix." + */ + if (type_a->is_scalar()) { + if (!type_b->is_scalar()) + return type_b; + } else if (type_b->is_scalar()) { + return type_a; + } + + /* All of the combinations of , , + * , , and have been + * handled. + */ + assert(!type_a->is_scalar()); + assert(!type_b->is_scalar()); + + /* "* The two operands are vectors of the same size. In this case, the + * operation is done component-wise resulting in the same size + * vector." + */ + if (type_a->is_vector() && type_b->is_vector()) { + if (type_a == type_b) { + return type_a; + } else { + _mesa_glsl_error(loc, state, + "vector size mismatch for arithmetic operator"); + return glsl_type::error_type; + } + } + + /* All of the combinations of , , + * , , , and + * have been handled. At least one of the operands must + * be matrix. Further, since there are no integer matrix types, the base + * type of both operands must be float. + */ + assert(type_a->is_matrix() || type_b->is_matrix()); + assert(type_a->base_type == GLSL_TYPE_FLOAT); + assert(type_b->base_type == GLSL_TYPE_FLOAT); + + /* "* The operator is add (+), subtract (-), or divide (/), and the + * operands are matrices with the same number of rows and the same + * number of columns. In this case, the operation is done component- + * wise resulting in the same size matrix." + * * The operator is multiply (*), where both operands are matrices or + * one operand is a vector and the other a matrix. A right vector + * operand is treated as a column vector and a left vector operand as a + * row vector. In all these cases, it is required that the number of + * columns of the left operand is equal to the number of rows of the + * right operand. Then, the multiply (*) operation does a linear + * algebraic multiply, yielding an object that has the same number of + * rows as the left operand and the same number of columns as the right + * operand. Section 5.10 "Vector and Matrix Operations" explains in + * more detail how vectors and matrices are operated on." + */ + if (! multiply) { + if (type_a == type_b) + return type_a; + } else { + if (type_a->is_matrix() && type_b->is_matrix()) { + /* Matrix multiply. The columns of A must match the rows of B. Given + * the other previously tested constraints, this means the vector type + * of a row from A must be the same as the vector type of a column from + * B. + */ + if (type_a->row_type() == type_b->column_type()) { + /* The resulting matrix has the number of columns of matrix B and + * the number of rows of matrix A. We get the row count of A by + * looking at the size of a vector that makes up a column. The + * transpose (size of a row) is done for B. + */ + const glsl_type *const type = + glsl_type::get_instance(type_a->base_type, + type_a->column_type()->vector_elements, + type_b->row_type()->vector_elements); + assert(type != glsl_type::error_type); + + return type; + } + } else if (type_a->is_matrix()) { + /* A is a matrix and B is a column vector. Columns of A must match + * rows of B. Given the other previously tested constraints, this + * means the vector type of a row from A must be the same as the + * vector the type of B. + */ + if (type_a->row_type() == type_b) { + /* The resulting vector has a number of elements equal to + * the number of rows of matrix A. */ + const glsl_type *const type = + glsl_type::get_instance(type_a->base_type, + type_a->column_type()->vector_elements, + 1); + assert(type != glsl_type::error_type); + + return type; + } + } else { + assert(type_b->is_matrix()); + + /* A is a row vector and B is a matrix. Columns of A must match rows + * of B. Given the other previously tested constraints, this means + * the type of A must be the same as the vector type of a column from + * B. + */ + if (type_a == type_b->column_type()) { + /* The resulting vector has a number of elements equal to + * the number of columns of matrix B. */ + const glsl_type *const type = + glsl_type::get_instance(type_a->base_type, + type_b->row_type()->vector_elements, + 1); + assert(type != glsl_type::error_type); + + return type; + } + } + + _mesa_glsl_error(loc, state, "size mismatch for matrix multiplication"); + return glsl_type::error_type; + } + + + /* "All other cases are illegal." + */ + _mesa_glsl_error(loc, state, "type mismatch"); + return glsl_type::error_type; +} + + +static const struct glsl_type * +unary_arithmetic_result_type(const struct glsl_type *type, + struct _mesa_glsl_parse_state *state, YYLTYPE *loc) +{ + /* From GLSL 1.50 spec, page 57: + * + * "The arithmetic unary operators negate (-), post- and pre-increment + * and decrement (-- and ++) operate on integer or floating-point + * values (including vectors and matrices). All unary operators work + * component-wise on their operands. These result with the same type + * they operated on." + */ + if (!type->is_numeric()) { + _mesa_glsl_error(loc, state, + "Operands to arithmetic operators must be numeric"); + return glsl_type::error_type; + } + + return type; +} + +/** + * \brief Return the result type of a bit-logic operation. + * + * If the given types to the bit-logic operator are invalid, return + * glsl_type::error_type. + * + * \param type_a Type of LHS of bit-logic op + * \param type_b Type of RHS of bit-logic op + */ +static const struct glsl_type * +bit_logic_result_type(const struct glsl_type *type_a, + const struct glsl_type *type_b, + ast_operators op, + struct _mesa_glsl_parse_state *state, YYLTYPE *loc) +{ + if (state->language_version < 130) { + _mesa_glsl_error(loc, state, "bit operations require GLSL 1.30"); + return glsl_type::error_type; + } + + /* From page 50 (page 56 of PDF) of GLSL 1.30 spec: + * + * "The bitwise operators and (&), exclusive-or (^), and inclusive-or + * (|). The operands must be of type signed or unsigned integers or + * integer vectors." + */ + if (!type_a->is_integer()) { + _mesa_glsl_error(loc, state, "LHS of `%s' must be an integer", + ast_expression::operator_string(op)); + return glsl_type::error_type; + } + if (!type_b->is_integer()) { + _mesa_glsl_error(loc, state, "RHS of `%s' must be an integer", + ast_expression::operator_string(op)); + return glsl_type::error_type; + } + + /* "The fundamental types of the operands (signed or unsigned) must + * match," + */ + if (type_a->base_type != type_b->base_type) { + _mesa_glsl_error(loc, state, "operands of `%s' must have the same " + "base type", ast_expression::operator_string(op)); + return glsl_type::error_type; + } + + /* "The operands cannot be vectors of differing size." */ + if (type_a->is_vector() && + type_b->is_vector() && + type_a->vector_elements != type_b->vector_elements) { + _mesa_glsl_error(loc, state, "operands of `%s' cannot be vectors of " + "different sizes", ast_expression::operator_string(op)); + return glsl_type::error_type; + } + + /* "If one operand is a scalar and the other a vector, the scalar is + * applied component-wise to the vector, resulting in the same type as + * the vector. The fundamental types of the operands [...] will be the + * resulting fundamental type." + */ + if (type_a->is_scalar()) + return type_b; + else + return type_a; +} + +static const struct glsl_type * +modulus_result_type(const struct glsl_type *type_a, + const struct glsl_type *type_b, + struct _mesa_glsl_parse_state *state, YYLTYPE *loc) +{ + /* From GLSL 1.50 spec, page 56: + * "The operator modulus (%) operates on signed or unsigned integers or + * integer vectors. The operand types must both be signed or both be + * unsigned." + */ + if (!type_a->is_integer() || !type_b->is_integer() + || (type_a->base_type != type_b->base_type)) { + _mesa_glsl_error(loc, state, "type mismatch"); + return glsl_type::error_type; + } + + /* "The operands cannot be vectors of differing size. If one operand is + * a scalar and the other vector, then the scalar is applied component- + * wise to the vector, resulting in the same type as the vector. If both + * are vectors of the same size, the result is computed component-wise." + */ + if (type_a->is_vector()) { + if (!type_b->is_vector() + || (type_a->vector_elements == type_b->vector_elements)) + return type_a; + } else + return type_b; + + /* "The operator modulus (%) is not defined for any other data types + * (non-integer types)." + */ + _mesa_glsl_error(loc, state, "type mismatch"); + return glsl_type::error_type; +} + + +static const struct glsl_type * +relational_result_type(ir_rvalue * &value_a, ir_rvalue * &value_b, + struct _mesa_glsl_parse_state *state, YYLTYPE *loc) +{ + const glsl_type *type_a = value_a->type; + const glsl_type *type_b = value_b->type; + + /* From GLSL 1.50 spec, page 56: + * "The relational operators greater than (>), less than (<), greater + * than or equal (>=), and less than or equal (<=) operate only on + * scalar integer and scalar floating-point expressions." + */ + if (!type_a->is_numeric() + || !type_b->is_numeric() + || !type_a->is_scalar() + || !type_b->is_scalar()) { + _mesa_glsl_error(loc, state, + "Operands to relational operators must be scalar and " + "numeric"); + return glsl_type::error_type; + } + + /* "Either the operands' types must match, or the conversions from + * Section 4.1.10 "Implicit Conversions" will be applied to the integer + * operand, after which the types must match." + */ + if (!apply_implicit_conversion(type_a, value_b, state) + && !apply_implicit_conversion(type_b, value_a, state)) { + _mesa_glsl_error(loc, state, + "Could not implicitly convert operands to " + "relational operator"); + return glsl_type::error_type; + } + type_a = value_a->type; + type_b = value_b->type; + + if (type_a->base_type != type_b->base_type) { + _mesa_glsl_error(loc, state, "base type mismatch"); + return glsl_type::error_type; + } + + /* "The result is scalar Boolean." + */ + return glsl_type::bool_type; +} + +/** + * \brief Return the result type of a bit-shift operation. + * + * If the given types to the bit-shift operator are invalid, return + * glsl_type::error_type. + * + * \param type_a Type of LHS of bit-shift op + * \param type_b Type of RHS of bit-shift op + */ +static const struct glsl_type * +shift_result_type(const struct glsl_type *type_a, + const struct glsl_type *type_b, + ast_operators op, + struct _mesa_glsl_parse_state *state, YYLTYPE *loc) +{ + if (state->language_version < 130) { + _mesa_glsl_error(loc, state, "bit operations require GLSL 1.30"); + return glsl_type::error_type; + } + + /* From page 50 (page 56 of the PDF) of the GLSL 1.30 spec: + * + * "The shift operators (<<) and (>>). For both operators, the operands + * must be signed or unsigned integers or integer vectors. One operand + * can be signed while the other is unsigned." + */ + if (!type_a->is_integer()) { + _mesa_glsl_error(loc, state, "LHS of operator %s must be an integer or " + "integer vector", ast_expression::operator_string(op)); + return glsl_type::error_type; + + } + if (!type_b->is_integer()) { + _mesa_glsl_error(loc, state, "RHS of operator %s must be an integer or " + "integer vector", ast_expression::operator_string(op)); + return glsl_type::error_type; + } + + /* "If the first operand is a scalar, the second operand has to be + * a scalar as well." + */ + if (type_a->is_scalar() && !type_b->is_scalar()) { + _mesa_glsl_error(loc, state, "If the first operand of %s is scalar, the " + "second must be scalar as well", + ast_expression::operator_string(op)); + return glsl_type::error_type; + } + + /* If both operands are vectors, check that they have same number of + * elements. + */ + if (type_a->is_vector() && + type_b->is_vector() && + type_a->vector_elements != type_b->vector_elements) { + _mesa_glsl_error(loc, state, "Vector operands to operator %s must " + "have same number of elements", + ast_expression::operator_string(op)); + return glsl_type::error_type; + } + + /* "In all cases, the resulting type will be the same type as the left + * operand." + */ + return type_a; +} + +/** + * Validates that a value can be assigned to a location with a specified type + * + * Validates that \c rhs can be assigned to some location. If the types are + * not an exact match but an automatic conversion is possible, \c rhs will be + * converted. + * + * \return + * \c NULL if \c rhs cannot be assigned to a location with type \c lhs_type. + * Otherwise the actual RHS to be assigned will be returned. This may be + * \c rhs, or it may be \c rhs after some type conversion. + * + * \note + * In addition to being used for assignments, this function is used to + * type-check return values. + */ +ir_rvalue * +validate_assignment(struct _mesa_glsl_parse_state *state, + const glsl_type *lhs_type, ir_rvalue *rhs) +{ + /* If there is already some error in the RHS, just return it. Anything + * else will lead to an avalanche of error message back to the user. + */ + if (rhs->type->is_error()) + return rhs; + + /* If the types are identical, the assignment can trivially proceed. + */ + if (rhs->type == lhs_type) + return rhs; + + /* If the array element types are the same and the size of the LHS is zero, + * the assignment is okay. + * + * Note: Whole-array assignments are not permitted in GLSL 1.10, but this + * is handled by ir_dereference::is_lvalue. + */ + if (lhs_type->is_array() && rhs->type->is_array() + && (lhs_type->element_type() == rhs->type->element_type()) + && (lhs_type->array_size() == 0)) { + return rhs; + } + + /* Check for implicit conversion in GLSL 1.20 */ + if (apply_implicit_conversion(lhs_type, rhs, state)) { + if (rhs->type == lhs_type) + return rhs; + } + + return NULL; +} + +ir_rvalue * +do_assignment(exec_list *instructions, struct _mesa_glsl_parse_state *state, + ir_rvalue *lhs, ir_rvalue *rhs, + YYLTYPE lhs_loc) +{ + void *ctx = state; + bool error_emitted = (lhs->type->is_error() || rhs->type->is_error()); + + if (!error_emitted) { + if (lhs->variable_referenced() != NULL + && lhs->variable_referenced()->read_only) { + _mesa_glsl_error(&lhs_loc, state, + "assignment to read-only variable '%s'", + lhs->variable_referenced()->name); + error_emitted = true; + + } else if (!lhs->is_lvalue()) { + _mesa_glsl_error(& lhs_loc, state, "non-lvalue in assignment"); + error_emitted = true; + } + + if (state->es_shader && lhs->type->is_array()) { + _mesa_glsl_error(&lhs_loc, state, "whole array assignment is not " + "allowed in GLSL ES 1.00."); + error_emitted = true; + } + } + + ir_rvalue *new_rhs = validate_assignment(state, lhs->type, rhs); + if (new_rhs == NULL) { + _mesa_glsl_error(& lhs_loc, state, "type mismatch"); + } else { + rhs = new_rhs; + + /* If the LHS array was not declared with a size, it takes it size from + * the RHS. If the LHS is an l-value and a whole array, it must be a + * dereference of a variable. Any other case would require that the LHS + * is either not an l-value or not a whole array. + */ + if (lhs->type->array_size() == 0) { + ir_dereference *const d = lhs->as_dereference(); + + assert(d != NULL); + + ir_variable *const var = d->variable_referenced(); + + assert(var != NULL); + + if (var->max_array_access >= unsigned(rhs->type->array_size())) { + /* FINISHME: This should actually log the location of the RHS. */ + _mesa_glsl_error(& lhs_loc, state, "array size must be > %u due to " + "previous access", + var->max_array_access); + } + + var->type = glsl_type::get_array_instance(lhs->type->element_type(), + rhs->type->array_size()); + d->type = var->type; + } + } + + /* Most callers of do_assignment (assign, add_assign, pre_inc/dec, + * but not post_inc) need the converted assigned value as an rvalue + * to handle things like: + * + * i = j += 1; + * + * So we always just store the computed value being assigned to a + * temporary and return a deref of that temporary. If the rvalue + * ends up not being used, the temp will get copy-propagated out. + */ + ir_variable *var = new(ctx) ir_variable(rhs->type, "assignment_tmp", + ir_var_temporary); + ir_dereference_variable *deref_var = new(ctx) ir_dereference_variable(var); + instructions->push_tail(var); + instructions->push_tail(new(ctx) ir_assignment(deref_var, + rhs, + NULL)); + deref_var = new(ctx) ir_dereference_variable(var); + + if (!error_emitted) + instructions->push_tail(new(ctx) ir_assignment(lhs, deref_var, NULL)); + + return new(ctx) ir_dereference_variable(var); +} + +static ir_rvalue * +get_lvalue_copy(exec_list *instructions, ir_rvalue *lvalue) +{ + void *ctx = talloc_parent(lvalue); + ir_variable *var; + + var = new(ctx) ir_variable(lvalue->type, "_post_incdec_tmp", + ir_var_temporary); + instructions->push_tail(var); + var->mode = ir_var_auto; + + instructions->push_tail(new(ctx) ir_assignment(new(ctx) ir_dereference_variable(var), + lvalue, NULL)); + + /* Once we've created this temporary, mark it read only so it's no + * longer considered an lvalue. + */ + var->read_only = true; + + return new(ctx) ir_dereference_variable(var); +} + + +ir_rvalue * +ast_node::hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + (void) instructions; + (void) state; + + return NULL; +} + +static void +mark_whole_array_access(ir_rvalue *access) +{ + ir_dereference_variable *deref = access->as_dereference_variable(); + + if (deref) { + deref->var->max_array_access = deref->type->length - 1; + } +} + +static ir_rvalue * +do_comparison(void *mem_ctx, int operation, ir_rvalue *op0, ir_rvalue *op1) +{ + int join_op; + ir_rvalue *cmp = NULL; + + if (operation == ir_binop_all_equal) + join_op = ir_binop_logic_and; + else + join_op = ir_binop_logic_or; + + switch (op0->type->base_type) { + case GLSL_TYPE_FLOAT: + case GLSL_TYPE_UINT: + case GLSL_TYPE_INT: + case GLSL_TYPE_BOOL: + return new(mem_ctx) ir_expression(operation, op0, op1); + + case GLSL_TYPE_ARRAY: { + for (unsigned int i = 0; i < op0->type->length; i++) { + ir_rvalue *e0, *e1, *result; + + e0 = new(mem_ctx) ir_dereference_array(op0->clone(mem_ctx, NULL), + new(mem_ctx) ir_constant(i)); + e1 = new(mem_ctx) ir_dereference_array(op1->clone(mem_ctx, NULL), + new(mem_ctx) ir_constant(i)); + result = do_comparison(mem_ctx, operation, e0, e1); + + if (cmp) { + cmp = new(mem_ctx) ir_expression(join_op, cmp, result); + } else { + cmp = result; + } + } + + mark_whole_array_access(op0); + mark_whole_array_access(op1); + break; + } + + case GLSL_TYPE_STRUCT: { + for (unsigned int i = 0; i < op0->type->length; i++) { + ir_rvalue *e0, *e1, *result; + const char *field_name = op0->type->fields.structure[i].name; + + e0 = new(mem_ctx) ir_dereference_record(op0->clone(mem_ctx, NULL), + field_name); + e1 = new(mem_ctx) ir_dereference_record(op1->clone(mem_ctx, NULL), + field_name); + result = do_comparison(mem_ctx, operation, e0, e1); + + if (cmp) { + cmp = new(mem_ctx) ir_expression(join_op, cmp, result); + } else { + cmp = result; + } + } + break; + } + + case GLSL_TYPE_ERROR: + case GLSL_TYPE_VOID: + case GLSL_TYPE_SAMPLER: + /* I assume a comparison of a struct containing a sampler just + * ignores the sampler present in the type. + */ + break; + + default: + assert(!"Should not get here."); + break; + } + + if (cmp == NULL) + cmp = new(mem_ctx) ir_constant(true); + + return cmp; +} + +ir_rvalue * +ast_expression::hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + void *ctx = state; + static const int operations[AST_NUM_OPERATORS] = { + -1, /* ast_assign doesn't convert to ir_expression. */ + -1, /* ast_plus doesn't convert to ir_expression. */ + ir_unop_neg, + ir_binop_add, + ir_binop_sub, + ir_binop_mul, + ir_binop_div, + ir_binop_mod, + ir_binop_lshift, + ir_binop_rshift, + ir_binop_less, + ir_binop_greater, + ir_binop_lequal, + ir_binop_gequal, + ir_binop_all_equal, + ir_binop_any_nequal, + ir_binop_bit_and, + ir_binop_bit_xor, + ir_binop_bit_or, + ir_unop_bit_not, + ir_binop_logic_and, + ir_binop_logic_xor, + ir_binop_logic_or, + ir_unop_logic_not, + + /* Note: The following block of expression types actually convert + * to multiple IR instructions. + */ + ir_binop_mul, /* ast_mul_assign */ + ir_binop_div, /* ast_div_assign */ + ir_binop_mod, /* ast_mod_assign */ + ir_binop_add, /* ast_add_assign */ + ir_binop_sub, /* ast_sub_assign */ + ir_binop_lshift, /* ast_ls_assign */ + ir_binop_rshift, /* ast_rs_assign */ + ir_binop_bit_and, /* ast_and_assign */ + ir_binop_bit_xor, /* ast_xor_assign */ + ir_binop_bit_or, /* ast_or_assign */ + + -1, /* ast_conditional doesn't convert to ir_expression. */ + ir_binop_add, /* ast_pre_inc. */ + ir_binop_sub, /* ast_pre_dec. */ + ir_binop_add, /* ast_post_inc. */ + ir_binop_sub, /* ast_post_dec. */ + -1, /* ast_field_selection doesn't conv to ir_expression. */ + -1, /* ast_array_index doesn't convert to ir_expression. */ + -1, /* ast_function_call doesn't conv to ir_expression. */ + -1, /* ast_identifier doesn't convert to ir_expression. */ + -1, /* ast_int_constant doesn't convert to ir_expression. */ + -1, /* ast_uint_constant doesn't conv to ir_expression. */ + -1, /* ast_float_constant doesn't conv to ir_expression. */ + -1, /* ast_bool_constant doesn't conv to ir_expression. */ + -1, /* ast_sequence doesn't convert to ir_expression. */ + }; + ir_rvalue *result = NULL; + ir_rvalue *op[3]; + const struct glsl_type *type = glsl_type::error_type; + bool error_emitted = false; + YYLTYPE loc; + + loc = this->get_location(); + + switch (this->oper) { + case ast_assign: { + op[0] = this->subexpressions[0]->hir(instructions, state); + op[1] = this->subexpressions[1]->hir(instructions, state); + + result = do_assignment(instructions, state, op[0], op[1], + this->subexpressions[0]->get_location()); + error_emitted = result->type->is_error(); + type = result->type; + break; + } + + case ast_plus: + op[0] = this->subexpressions[0]->hir(instructions, state); + + type = unary_arithmetic_result_type(op[0]->type, state, & loc); + + error_emitted = type->is_error(); + + result = op[0]; + break; + + case ast_neg: + op[0] = this->subexpressions[0]->hir(instructions, state); + + type = unary_arithmetic_result_type(op[0]->type, state, & loc); + + error_emitted = type->is_error(); + + result = new(ctx) ir_expression(operations[this->oper], type, + op[0], NULL); + break; + + case ast_add: + case ast_sub: + case ast_mul: + case ast_div: + op[0] = this->subexpressions[0]->hir(instructions, state); + op[1] = this->subexpressions[1]->hir(instructions, state); + + type = arithmetic_result_type(op[0], op[1], + (this->oper == ast_mul), + state, & loc); + error_emitted = type->is_error(); + + result = new(ctx) ir_expression(operations[this->oper], type, + op[0], op[1]); + break; + + case ast_mod: + op[0] = this->subexpressions[0]->hir(instructions, state); + op[1] = this->subexpressions[1]->hir(instructions, state); + + type = modulus_result_type(op[0]->type, op[1]->type, state, & loc); + + assert(operations[this->oper] == ir_binop_mod); + + result = new(ctx) ir_expression(operations[this->oper], type, + op[0], op[1]); + error_emitted = type->is_error(); + break; + + case ast_lshift: + case ast_rshift: + if (state->language_version < 130) { + _mesa_glsl_error(&loc, state, "operator %s requires GLSL 1.30", + operator_string(this->oper)); + error_emitted = true; + } + + op[0] = this->subexpressions[0]->hir(instructions, state); + op[1] = this->subexpressions[1]->hir(instructions, state); + type = shift_result_type(op[0]->type, op[1]->type, this->oper, state, + &loc); + result = new(ctx) ir_expression(operations[this->oper], type, + op[0], op[1]); + error_emitted = op[0]->type->is_error() || op[1]->type->is_error(); + break; + + case ast_less: + case ast_greater: + case ast_lequal: + case ast_gequal: + op[0] = this->subexpressions[0]->hir(instructions, state); + op[1] = this->subexpressions[1]->hir(instructions, state); + + type = relational_result_type(op[0], op[1], state, & loc); + + /* The relational operators must either generate an error or result + * in a scalar boolean. See page 57 of the GLSL 1.50 spec. + */ + assert(type->is_error() + || ((type->base_type == GLSL_TYPE_BOOL) + && type->is_scalar())); + + result = new(ctx) ir_expression(operations[this->oper], type, + op[0], op[1]); + error_emitted = type->is_error(); + break; + + case ast_nequal: + case ast_equal: + op[0] = this->subexpressions[0]->hir(instructions, state); + op[1] = this->subexpressions[1]->hir(instructions, state); + + /* From page 58 (page 64 of the PDF) of the GLSL 1.50 spec: + * + * "The equality operators equal (==), and not equal (!=) + * operate on all types. They result in a scalar Boolean. If + * the operand types do not match, then there must be a + * conversion from Section 4.1.10 "Implicit Conversions" + * applied to one operand that can make them match, in which + * case this conversion is done." + */ + if ((!apply_implicit_conversion(op[0]->type, op[1], state) + && !apply_implicit_conversion(op[1]->type, op[0], state)) + || (op[0]->type != op[1]->type)) { + _mesa_glsl_error(& loc, state, "operands of `%s' must have the same " + "type", (this->oper == ast_equal) ? "==" : "!="); + error_emitted = true; + } else if ((state->language_version <= 110) + && (op[0]->type->is_array() || op[1]->type->is_array())) { + _mesa_glsl_error(& loc, state, "array comparisons forbidden in " + "GLSL 1.10"); + error_emitted = true; + } + + result = do_comparison(ctx, operations[this->oper], op[0], op[1]); + type = glsl_type::bool_type; + + assert(error_emitted || (result->type == glsl_type::bool_type)); + break; + + case ast_bit_and: + case ast_bit_xor: + case ast_bit_or: + op[0] = this->subexpressions[0]->hir(instructions, state); + op[1] = this->subexpressions[1]->hir(instructions, state); + type = bit_logic_result_type(op[0]->type, op[1]->type, this->oper, + state, &loc); + result = new(ctx) ir_expression(operations[this->oper], type, + op[0], op[1]); + error_emitted = op[0]->type->is_error() || op[1]->type->is_error(); + break; + + case ast_bit_not: + op[0] = this->subexpressions[0]->hir(instructions, state); + + if (state->language_version < 130) { + _mesa_glsl_error(&loc, state, "bit-wise operations require GLSL 1.30"); + error_emitted = true; + } + + if (!op[0]->type->is_integer()) { + _mesa_glsl_error(&loc, state, "operand of `~' must be an integer"); + error_emitted = true; + } + + type = op[0]->type; + result = new(ctx) ir_expression(ir_unop_bit_not, type, op[0], NULL); + break; + + case ast_logic_and: { + op[0] = this->subexpressions[0]->hir(instructions, state); + + if (!op[0]->type->is_boolean() || !op[0]->type->is_scalar()) { + YYLTYPE loc = this->subexpressions[0]->get_location(); + + _mesa_glsl_error(& loc, state, "LHS of `%s' must be scalar boolean", + operator_string(this->oper)); + error_emitted = true; + } + + ir_constant *op0_const = op[0]->constant_expression_value(); + if (op0_const) { + if (op0_const->value.b[0]) { + op[1] = this->subexpressions[1]->hir(instructions, state); + + if (!op[1]->type->is_boolean() || !op[1]->type->is_scalar()) { + YYLTYPE loc = this->subexpressions[1]->get_location(); + + _mesa_glsl_error(& loc, state, + "RHS of `%s' must be scalar boolean", + operator_string(this->oper)); + error_emitted = true; + } + result = op[1]; + } else { + result = op0_const; + } + type = glsl_type::bool_type; + } else { + ir_variable *const tmp = new(ctx) ir_variable(glsl_type::bool_type, + "and_tmp", + ir_var_temporary); + instructions->push_tail(tmp); + + ir_if *const stmt = new(ctx) ir_if(op[0]); + instructions->push_tail(stmt); + + op[1] = this->subexpressions[1]->hir(&stmt->then_instructions, state); + + if (!op[1]->type->is_boolean() || !op[1]->type->is_scalar()) { + YYLTYPE loc = this->subexpressions[1]->get_location(); + + _mesa_glsl_error(& loc, state, + "RHS of `%s' must be scalar boolean", + operator_string(this->oper)); + error_emitted = true; + } + + ir_dereference *const then_deref = new(ctx) ir_dereference_variable(tmp); + ir_assignment *const then_assign = + new(ctx) ir_assignment(then_deref, op[1], NULL); + stmt->then_instructions.push_tail(then_assign); + + ir_dereference *const else_deref = new(ctx) ir_dereference_variable(tmp); + ir_assignment *const else_assign = + new(ctx) ir_assignment(else_deref, new(ctx) ir_constant(false), NULL); + stmt->else_instructions.push_tail(else_assign); + + result = new(ctx) ir_dereference_variable(tmp); + type = tmp->type; + } + break; + } + + case ast_logic_or: { + op[0] = this->subexpressions[0]->hir(instructions, state); + + if (!op[0]->type->is_boolean() || !op[0]->type->is_scalar()) { + YYLTYPE loc = this->subexpressions[0]->get_location(); + + _mesa_glsl_error(& loc, state, "LHS of `%s' must be scalar boolean", + operator_string(this->oper)); + error_emitted = true; + } + + ir_constant *op0_const = op[0]->constant_expression_value(); + if (op0_const) { + if (op0_const->value.b[0]) { + result = op0_const; + } else { + op[1] = this->subexpressions[1]->hir(instructions, state); + + if (!op[1]->type->is_boolean() || !op[1]->type->is_scalar()) { + YYLTYPE loc = this->subexpressions[1]->get_location(); + + _mesa_glsl_error(& loc, state, + "RHS of `%s' must be scalar boolean", + operator_string(this->oper)); + error_emitted = true; + } + result = op[1]; + } + type = glsl_type::bool_type; + } else { + ir_variable *const tmp = new(ctx) ir_variable(glsl_type::bool_type, + "or_tmp", + ir_var_temporary); + instructions->push_tail(tmp); + + ir_if *const stmt = new(ctx) ir_if(op[0]); + instructions->push_tail(stmt); + + op[1] = this->subexpressions[1]->hir(&stmt->else_instructions, state); + + if (!op[1]->type->is_boolean() || !op[1]->type->is_scalar()) { + YYLTYPE loc = this->subexpressions[1]->get_location(); + + _mesa_glsl_error(& loc, state, "RHS of `%s' must be scalar boolean", + operator_string(this->oper)); + error_emitted = true; + } + + ir_dereference *const then_deref = new(ctx) ir_dereference_variable(tmp); + ir_assignment *const then_assign = + new(ctx) ir_assignment(then_deref, new(ctx) ir_constant(true), NULL); + stmt->then_instructions.push_tail(then_assign); + + ir_dereference *const else_deref = new(ctx) ir_dereference_variable(tmp); + ir_assignment *const else_assign = + new(ctx) ir_assignment(else_deref, op[1], NULL); + stmt->else_instructions.push_tail(else_assign); + + result = new(ctx) ir_dereference_variable(tmp); + type = tmp->type; + } + break; + } + + case ast_logic_xor: + op[0] = this->subexpressions[0]->hir(instructions, state); + op[1] = this->subexpressions[1]->hir(instructions, state); + + + result = new(ctx) ir_expression(operations[this->oper], glsl_type::bool_type, + op[0], op[1]); + type = glsl_type::bool_type; + break; + + case ast_logic_not: + op[0] = this->subexpressions[0]->hir(instructions, state); + + if (!op[0]->type->is_boolean() || !op[0]->type->is_scalar()) { + YYLTYPE loc = this->subexpressions[0]->get_location(); + + _mesa_glsl_error(& loc, state, + "operand of `!' must be scalar boolean"); + error_emitted = true; + } + + result = new(ctx) ir_expression(operations[this->oper], glsl_type::bool_type, + op[0], NULL); + type = glsl_type::bool_type; + break; + + case ast_mul_assign: + case ast_div_assign: + case ast_add_assign: + case ast_sub_assign: { + op[0] = this->subexpressions[0]->hir(instructions, state); + op[1] = this->subexpressions[1]->hir(instructions, state); + + type = arithmetic_result_type(op[0], op[1], + (this->oper == ast_mul_assign), + state, & loc); + + ir_rvalue *temp_rhs = new(ctx) ir_expression(operations[this->oper], type, + op[0], op[1]); + + result = do_assignment(instructions, state, + op[0]->clone(ctx, NULL), temp_rhs, + this->subexpressions[0]->get_location()); + type = result->type; + error_emitted = (op[0]->type->is_error()); + + /* GLSL 1.10 does not allow array assignment. However, we don't have to + * explicitly test for this because none of the binary expression + * operators allow array operands either. + */ + + break; + } + + case ast_mod_assign: { + op[0] = this->subexpressions[0]->hir(instructions, state); + op[1] = this->subexpressions[1]->hir(instructions, state); + + type = modulus_result_type(op[0]->type, op[1]->type, state, & loc); + + assert(operations[this->oper] == ir_binop_mod); + + ir_rvalue *temp_rhs; + temp_rhs = new(ctx) ir_expression(operations[this->oper], type, + op[0], op[1]); + + result = do_assignment(instructions, state, + op[0]->clone(ctx, NULL), temp_rhs, + this->subexpressions[0]->get_location()); + type = result->type; + error_emitted = type->is_error(); + break; + } + + case ast_ls_assign: + case ast_rs_assign: { + op[0] = this->subexpressions[0]->hir(instructions, state); + op[1] = this->subexpressions[1]->hir(instructions, state); + type = shift_result_type(op[0]->type, op[1]->type, this->oper, state, + &loc); + ir_rvalue *temp_rhs = new(ctx) ir_expression(operations[this->oper], + type, op[0], op[1]); + result = do_assignment(instructions, state, op[0]->clone(ctx, NULL), + temp_rhs, + this->subexpressions[0]->get_location()); + error_emitted = op[0]->type->is_error() || op[1]->type->is_error(); + break; + } + + case ast_and_assign: + case ast_xor_assign: + case ast_or_assign: { + op[0] = this->subexpressions[0]->hir(instructions, state); + op[1] = this->subexpressions[1]->hir(instructions, state); + type = bit_logic_result_type(op[0]->type, op[1]->type, this->oper, + state, &loc); + ir_rvalue *temp_rhs = new(ctx) ir_expression(operations[this->oper], + type, op[0], op[1]); + result = do_assignment(instructions, state, op[0]->clone(ctx, NULL), + temp_rhs, + this->subexpressions[0]->get_location()); + error_emitted = op[0]->type->is_error() || op[1]->type->is_error(); + break; + } + + case ast_conditional: { + op[0] = this->subexpressions[0]->hir(instructions, state); + + /* From page 59 (page 65 of the PDF) of the GLSL 1.50 spec: + * + * "The ternary selection operator (?:). It operates on three + * expressions (exp1 ? exp2 : exp3). This operator evaluates the + * first expression, which must result in a scalar Boolean." + */ + if (!op[0]->type->is_boolean() || !op[0]->type->is_scalar()) { + YYLTYPE loc = this->subexpressions[0]->get_location(); + + _mesa_glsl_error(& loc, state, "?: condition must be scalar boolean"); + error_emitted = true; + } + + /* The :? operator is implemented by generating an anonymous temporary + * followed by an if-statement. The last instruction in each branch of + * the if-statement assigns a value to the anonymous temporary. This + * temporary is the r-value of the expression. + */ + exec_list then_instructions; + exec_list else_instructions; + + op[1] = this->subexpressions[1]->hir(&then_instructions, state); + op[2] = this->subexpressions[2]->hir(&else_instructions, state); + + /* From page 59 (page 65 of the PDF) of the GLSL 1.50 spec: + * + * "The second and third expressions can be any type, as + * long their types match, or there is a conversion in + * Section 4.1.10 "Implicit Conversions" that can be applied + * to one of the expressions to make their types match. This + * resulting matching type is the type of the entire + * expression." + */ + if ((!apply_implicit_conversion(op[1]->type, op[2], state) + && !apply_implicit_conversion(op[2]->type, op[1], state)) + || (op[1]->type != op[2]->type)) { + YYLTYPE loc = this->subexpressions[1]->get_location(); + + _mesa_glsl_error(& loc, state, "Second and third operands of ?: " + "operator must have matching types."); + error_emitted = true; + type = glsl_type::error_type; + } else { + type = op[1]->type; + } + + /* From page 33 (page 39 of the PDF) of the GLSL 1.10 spec: + * + * "The second and third expressions must be the same type, but can + * be of any type other than an array." + */ + if ((state->language_version <= 110) && type->is_array()) { + _mesa_glsl_error(& loc, state, "Second and third operands of ?: " + "operator must not be arrays."); + error_emitted = true; + } + + ir_constant *cond_val = op[0]->constant_expression_value(); + ir_constant *then_val = op[1]->constant_expression_value(); + ir_constant *else_val = op[2]->constant_expression_value(); + + if (then_instructions.is_empty() + && else_instructions.is_empty() + && (cond_val != NULL) && (then_val != NULL) && (else_val != NULL)) { + result = (cond_val->value.b[0]) ? then_val : else_val; + } else { + ir_variable *const tmp = + new(ctx) ir_variable(type, "conditional_tmp", ir_var_temporary); + instructions->push_tail(tmp); + + ir_if *const stmt = new(ctx) ir_if(op[0]); + instructions->push_tail(stmt); + + then_instructions.move_nodes_to(& stmt->then_instructions); + ir_dereference *const then_deref = + new(ctx) ir_dereference_variable(tmp); + ir_assignment *const then_assign = + new(ctx) ir_assignment(then_deref, op[1], NULL); + stmt->then_instructions.push_tail(then_assign); + + else_instructions.move_nodes_to(& stmt->else_instructions); + ir_dereference *const else_deref = + new(ctx) ir_dereference_variable(tmp); + ir_assignment *const else_assign = + new(ctx) ir_assignment(else_deref, op[2], NULL); + stmt->else_instructions.push_tail(else_assign); + + result = new(ctx) ir_dereference_variable(tmp); + } + break; + } + + case ast_pre_inc: + case ast_pre_dec: { + op[0] = this->subexpressions[0]->hir(instructions, state); + if (op[0]->type->base_type == GLSL_TYPE_FLOAT) + op[1] = new(ctx) ir_constant(1.0f); + else + op[1] = new(ctx) ir_constant(1); + + type = arithmetic_result_type(op[0], op[1], false, state, & loc); + + ir_rvalue *temp_rhs; + temp_rhs = new(ctx) ir_expression(operations[this->oper], type, + op[0], op[1]); + + result = do_assignment(instructions, state, + op[0]->clone(ctx, NULL), temp_rhs, + this->subexpressions[0]->get_location()); + type = result->type; + error_emitted = op[0]->type->is_error(); + break; + } + + case ast_post_inc: + case ast_post_dec: { + op[0] = this->subexpressions[0]->hir(instructions, state); + if (op[0]->type->base_type == GLSL_TYPE_FLOAT) + op[1] = new(ctx) ir_constant(1.0f); + else + op[1] = new(ctx) ir_constant(1); + + error_emitted = op[0]->type->is_error() || op[1]->type->is_error(); + + type = arithmetic_result_type(op[0], op[1], false, state, & loc); + + ir_rvalue *temp_rhs; + temp_rhs = new(ctx) ir_expression(operations[this->oper], type, + op[0], op[1]); + + /* Get a temporary of a copy of the lvalue before it's modified. + * This may get thrown away later. + */ + result = get_lvalue_copy(instructions, op[0]->clone(ctx, NULL)); + + (void)do_assignment(instructions, state, + op[0]->clone(ctx, NULL), temp_rhs, + this->subexpressions[0]->get_location()); + + type = result->type; + error_emitted = op[0]->type->is_error(); + break; + } + + case ast_field_selection: + result = _mesa_ast_field_selection_to_hir(this, instructions, state); + type = result->type; + break; + + case ast_array_index: { + YYLTYPE index_loc = subexpressions[1]->get_location(); + + op[0] = subexpressions[0]->hir(instructions, state); + op[1] = subexpressions[1]->hir(instructions, state); + + error_emitted = op[0]->type->is_error() || op[1]->type->is_error(); + + ir_rvalue *const array = op[0]; + + result = new(ctx) ir_dereference_array(op[0], op[1]); + + /* Do not use op[0] after this point. Use array. + */ + op[0] = NULL; + + + if (error_emitted) + break; + + if (!array->type->is_array() + && !array->type->is_matrix() + && !array->type->is_vector()) { + _mesa_glsl_error(& index_loc, state, + "cannot dereference non-array / non-matrix / " + "non-vector"); + error_emitted = true; + } + + if (!op[1]->type->is_integer()) { + _mesa_glsl_error(& index_loc, state, + "array index must be integer type"); + error_emitted = true; + } else if (!op[1]->type->is_scalar()) { + _mesa_glsl_error(& index_loc, state, + "array index must be scalar"); + error_emitted = true; + } + + /* If the array index is a constant expression and the array has a + * declared size, ensure that the access is in-bounds. If the array + * index is not a constant expression, ensure that the array has a + * declared size. + */ + ir_constant *const const_index = op[1]->constant_expression_value(); + if (const_index != NULL) { + const int idx = const_index->value.i[0]; + const char *type_name; + unsigned bound = 0; + + if (array->type->is_matrix()) { + type_name = "matrix"; + } else if (array->type->is_vector()) { + type_name = "vector"; + } else { + type_name = "array"; + } + + /* From page 24 (page 30 of the PDF) of the GLSL 1.50 spec: + * + * "It is illegal to declare an array with a size, and then + * later (in the same shader) index the same array with an + * integral constant expression greater than or equal to the + * declared size. It is also illegal to index an array with a + * negative constant expression." + */ + if (array->type->is_matrix()) { + if (array->type->row_type()->vector_elements <= idx) { + bound = array->type->row_type()->vector_elements; + } + } else if (array->type->is_vector()) { + if (array->type->vector_elements <= idx) { + bound = array->type->vector_elements; + } + } else { + if ((array->type->array_size() > 0) + && (array->type->array_size() <= idx)) { + bound = array->type->array_size(); + } + } + + if (bound > 0) { + _mesa_glsl_error(& loc, state, "%s index must be < %u", + type_name, bound); + error_emitted = true; + } else if (idx < 0) { + _mesa_glsl_error(& loc, state, "%s index must be >= 0", + type_name); + error_emitted = true; + } + + if (array->type->is_array()) { + /* If the array is a variable dereference, it dereferences the + * whole array, by definition. Use this to get the variable. + * + * FINISHME: Should some methods for getting / setting / testing + * FINISHME: array access limits be added to ir_dereference? + */ + ir_variable *const v = array->whole_variable_referenced(); + if ((v != NULL) && (unsigned(idx) > v->max_array_access)) + v->max_array_access = idx; + } + } else if (array->type->array_size() == 0) { + _mesa_glsl_error(&loc, state, "unsized array index must be constant"); + } else { + if (array->type->is_array()) { + /* whole_variable_referenced can return NULL if the array is a + * member of a structure. In this case it is safe to not update + * the max_array_access field because it is never used for fields + * of structures. + */ + ir_variable *v = array->whole_variable_referenced(); + if (v != NULL) + v->max_array_access = array->type->array_size(); + } + } + + /* From page 23 (29 of the PDF) of the GLSL 1.30 spec: + * + * "Samplers aggregated into arrays within a shader (using square + * brackets [ ]) can only be indexed with integral constant + * expressions [...]." + * + * This restriction was added in GLSL 1.30. Shaders using earlier version + * of the language should not be rejected by the compiler front-end for + * using this construct. This allows useful things such as using a loop + * counter as the index to an array of samplers. If the loop in unrolled, + * the code should compile correctly. Instead, emit a warning. + */ + if (array->type->is_array() && + array->type->element_type()->is_sampler() && + const_index == NULL) { + + if (state->language_version == 100) { + _mesa_glsl_warning(&loc, state, + "sampler arrays indexed with non-constant " + "expressions is optional in GLSL ES 1.00"); + } else if (state->language_version < 130) { + _mesa_glsl_warning(&loc, state, + "sampler arrays indexed with non-constant " + "expressions is forbidden in GLSL 1.30 and " + "later"); + } else { + _mesa_glsl_error(&loc, state, + "sampler arrays indexed with non-constant " + "expressions is forbidden in GLSL 1.30 and " + "later"); + error_emitted = true; + } + } + + if (error_emitted) + result->type = glsl_type::error_type; + + type = result->type; + break; + } + + case ast_function_call: + /* Should *NEVER* get here. ast_function_call should always be handled + * by ast_function_expression::hir. + */ + assert(0); + break; + + case ast_identifier: { + /* ast_identifier can appear several places in a full abstract syntax + * tree. This particular use must be at location specified in the grammar + * as 'variable_identifier'. + */ + ir_variable *var = + state->symbols->get_variable(this->primary_expression.identifier); + + result = new(ctx) ir_dereference_variable(var); + + if (var != NULL) { + var->used = true; + type = result->type; + } else { + _mesa_glsl_error(& loc, state, "`%s' undeclared", + this->primary_expression.identifier); + + error_emitted = true; + } + break; + } + + case ast_int_constant: + type = glsl_type::int_type; + result = new(ctx) ir_constant(this->primary_expression.int_constant); + break; + + case ast_uint_constant: + type = glsl_type::uint_type; + result = new(ctx) ir_constant(this->primary_expression.uint_constant); + break; + + case ast_float_constant: + type = glsl_type::float_type; + result = new(ctx) ir_constant(this->primary_expression.float_constant); + break; + + case ast_bool_constant: + type = glsl_type::bool_type; + result = new(ctx) ir_constant(bool(this->primary_expression.bool_constant)); + break; + + case ast_sequence: { + /* It should not be possible to generate a sequence in the AST without + * any expressions in it. + */ + assert(!this->expressions.is_empty()); + + /* The r-value of a sequence is the last expression in the sequence. If + * the other expressions in the sequence do not have side-effects (and + * therefore add instructions to the instruction list), they get dropped + * on the floor. + */ + foreach_list_typed (ast_node, ast, link, &this->expressions) + result = ast->hir(instructions, state); + + type = result->type; + + /* Any errors should have already been emitted in the loop above. + */ + error_emitted = true; + break; + } + } + + if (type->is_error() && !error_emitted) + _mesa_glsl_error(& loc, state, "type mismatch"); + + return result; +} + + +ir_rvalue * +ast_expression_statement::hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + /* It is possible to have expression statements that don't have an + * expression. This is the solitary semicolon: + * + * for (i = 0; i < 5; i++) + * ; + * + * In this case the expression will be NULL. Test for NULL and don't do + * anything in that case. + */ + if (expression != NULL) + expression->hir(instructions, state); + + /* Statements do not have r-values. + */ + return NULL; +} + + +ir_rvalue * +ast_compound_statement::hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + if (new_scope) + state->symbols->push_scope(); + + foreach_list_typed (ast_node, ast, link, &this->statements) + ast->hir(instructions, state); + + if (new_scope) + state->symbols->pop_scope(); + + /* Compound statements do not have r-values. + */ + return NULL; +} + + +static const glsl_type * +process_array_type(YYLTYPE *loc, const glsl_type *base, ast_node *array_size, + struct _mesa_glsl_parse_state *state) +{ + unsigned length = 0; + + /* FINISHME: Reject delcarations of multidimensional arrays. */ + + if (array_size != NULL) { + exec_list dummy_instructions; + ir_rvalue *const ir = array_size->hir(& dummy_instructions, state); + YYLTYPE loc = array_size->get_location(); + + /* FINISHME: Verify that the grammar forbids side-effects in array + * FINISHME: sizes. i.e., 'vec4 [x = 12] data' + */ + assert(dummy_instructions.is_empty()); + + if (ir != NULL) { + if (!ir->type->is_integer()) { + _mesa_glsl_error(& loc, state, "array size must be integer type"); + } else if (!ir->type->is_scalar()) { + _mesa_glsl_error(& loc, state, "array size must be scalar type"); + } else { + ir_constant *const size = ir->constant_expression_value(); + + if (size == NULL) { + _mesa_glsl_error(& loc, state, "array size must be a " + "constant valued expression"); + } else if (size->value.i[0] <= 0) { + _mesa_glsl_error(& loc, state, "array size must be > 0"); + } else { + assert(size->type == ir->type); + length = size->value.u[0]; + } + } + } + } else if (state->es_shader) { + /* Section 10.17 of the GLSL ES 1.00 specification states that unsized + * array declarations have been removed from the language. + */ + _mesa_glsl_error(loc, state, "unsized array declarations are not " + "allowed in GLSL ES 1.00."); + } + + return glsl_type::get_array_instance(base, length); +} + + +const glsl_type * +ast_type_specifier::glsl_type(const char **name, + struct _mesa_glsl_parse_state *state) const +{ + const struct glsl_type *type; + + type = state->symbols->get_type(this->type_name); + *name = this->type_name; + + if (this->is_array) { + YYLTYPE loc = this->get_location(); + type = process_array_type(&loc, type, this->array_size, state); + } + + return type; +} + + +static void +apply_type_qualifier_to_variable(const struct ast_type_qualifier *qual, + ir_variable *var, + struct _mesa_glsl_parse_state *state, + YYLTYPE *loc) +{ + if (qual->flags.q.invariant) { + if (var->used) { + _mesa_glsl_error(loc, state, + "variable `%s' may not be redeclared " + "`invariant' after being used", + var->name); + } else { + var->invariant = 1; + } + } + + if (qual->flags.q.constant || qual->flags.q.attribute + || qual->flags.q.uniform + || (qual->flags.q.varying && (state->target == fragment_shader))) + var->read_only = 1; + + if (qual->flags.q.centroid) + var->centroid = 1; + + if (qual->flags.q.attribute && state->target != vertex_shader) { + var->type = glsl_type::error_type; + _mesa_glsl_error(loc, state, + "`attribute' variables may not be declared in the " + "%s shader", + _mesa_glsl_shader_target_name(state->target)); + } + + /* From page 25 (page 31 of the PDF) of the GLSL 1.10 spec: + * + * "The varying qualifier can be used only with the data types + * float, vec2, vec3, vec4, mat2, mat3, and mat4, or arrays of + * these." + */ + if (qual->flags.q.varying) { + const glsl_type *non_array_type; + + if (var->type && var->type->is_array()) + non_array_type = var->type->fields.array; + else + non_array_type = var->type; + + if (non_array_type && non_array_type->base_type != GLSL_TYPE_FLOAT) { + var->type = glsl_type::error_type; + _mesa_glsl_error(loc, state, + "varying variables must be of base type float"); + } + } + + /* If there is no qualifier that changes the mode of the variable, leave + * the setting alone. + */ + if (qual->flags.q.in && qual->flags.q.out) + var->mode = ir_var_inout; + else if (qual->flags.q.attribute || qual->flags.q.in + || (qual->flags.q.varying && (state->target == fragment_shader))) + var->mode = ir_var_in; + else if (qual->flags.q.out + || (qual->flags.q.varying && (state->target == vertex_shader))) + var->mode = ir_var_out; + else if (qual->flags.q.uniform) + var->mode = ir_var_uniform; + + if (state->all_invariant && (state->current_function == NULL)) { + switch (state->target) { + case vertex_shader: + if (var->mode == ir_var_out) + var->invariant = true; + break; + case geometry_shader: + if ((var->mode == ir_var_in) || (var->mode == ir_var_out)) + var->invariant = true; + break; + case fragment_shader: + if (var->mode == ir_var_in) + var->invariant = true; + break; + } + } + + if (qual->flags.q.flat) + var->interpolation = ir_var_flat; + else if (qual->flags.q.noperspective) + var->interpolation = ir_var_noperspective; + else + var->interpolation = ir_var_smooth; + + var->pixel_center_integer = qual->flags.q.pixel_center_integer; + var->origin_upper_left = qual->flags.q.origin_upper_left; + if ((qual->flags.q.origin_upper_left || qual->flags.q.pixel_center_integer) + && (strcmp(var->name, "gl_FragCoord") != 0)) { + const char *const qual_string = (qual->flags.q.origin_upper_left) + ? "origin_upper_left" : "pixel_center_integer"; + + _mesa_glsl_error(loc, state, + "layout qualifier `%s' can only be applied to " + "fragment shader input `gl_FragCoord'", + qual_string); + } + + if (qual->flags.q.explicit_location) { + const bool global_scope = (state->current_function == NULL); + bool fail = false; + const char *string = ""; + + /* In the vertex shader only shader inputs can be given explicit + * locations. + * + * In the fragment shader only shader outputs can be given explicit + * locations. + */ + switch (state->target) { + case vertex_shader: + if (!global_scope || (var->mode != ir_var_in)) { + fail = true; + string = "input"; + } + break; + + case geometry_shader: + _mesa_glsl_error(loc, state, + "geometry shader variables cannot be given " + "explicit locations\n"); + break; + + case fragment_shader: + if (!global_scope || (var->mode != ir_var_in)) { + fail = true; + string = "output"; + } + break; + }; + + if (fail) { + _mesa_glsl_error(loc, state, + "only %s shader %s variables can be given an " + "explicit location\n", + _mesa_glsl_shader_target_name(state->target), + string); + } else { + var->explicit_location = true; + + /* This bit of silliness is needed because invalid explicit locations + * are supposed to be flagged during linking. Small negative values + * biased by VERT_ATTRIB_GENERIC0 or FRAG_RESULT_DATA0 could alias + * built-in values (e.g., -16+VERT_ATTRIB_GENERIC0 = VERT_ATTRIB_POS). + * The linker needs to be able to differentiate these cases. This + * ensures that negative values stay negative. + */ + if (qual->location >= 0) { + var->location = (state->target == vertex_shader) + ? (qual->location + VERT_ATTRIB_GENERIC0) + : (qual->location + FRAG_RESULT_DATA0); + } else { + var->location = qual->location; + } + } + } + + /* Does the declaration use the 'layout' keyword? + */ + const bool uses_layout = qual->flags.q.pixel_center_integer + || qual->flags.q.origin_upper_left + || qual->flags.q.explicit_location; + + /* Does the declaration use the deprecated 'attribute' or 'varying' + * keywords? + */ + const bool uses_deprecated_qualifier = qual->flags.q.attribute + || qual->flags.q.varying; + + /* Is the 'layout' keyword used with parameters that allow relaxed checking. + * Many implementations of GL_ARB_fragment_coord_conventions_enable and some + * implementations (only Mesa?) GL_ARB_explicit_attrib_location_enable + * allowed the layout qualifier to be used with 'varying' and 'attribute'. + * These extensions and all following extensions that add the 'layout' + * keyword have been modified to require the use of 'in' or 'out'. + * + * The following extension do not allow the deprecated keywords: + * + * GL_AMD_conservative_depth + * GL_ARB_gpu_shader5 + * GL_ARB_separate_shader_objects + * GL_ARB_tesselation_shader + * GL_ARB_transform_feedback3 + * GL_ARB_uniform_buffer_object + * + * It is unknown whether GL_EXT_shader_image_load_store or GL_NV_gpu_shader5 + * allow layout with the deprecated keywords. + */ + const bool relaxed_layout_qualifier_checking = + state->ARB_fragment_coord_conventions_enable; + + if (uses_layout && uses_deprecated_qualifier) { + if (relaxed_layout_qualifier_checking) { + _mesa_glsl_warning(loc, state, + "`layout' qualifier may not be used with " + "`attribute' or `varying'"); + } else { + _mesa_glsl_error(loc, state, + "`layout' qualifier may not be used with " + "`attribute' or `varying'"); + } + } + + /* Layout qualifiers for gl_FragDepth, which are enabled by extension + * AMD_conservative_depth. + */ + int depth_layout_count = qual->flags.q.depth_any + + qual->flags.q.depth_greater + + qual->flags.q.depth_less + + qual->flags.q.depth_unchanged; + if (depth_layout_count > 0 + && !state->AMD_conservative_depth_enable) { + _mesa_glsl_error(loc, state, + "extension GL_AMD_conservative_depth must be enabled " + "to use depth layout qualifiers"); + } else if (depth_layout_count > 0 + && strcmp(var->name, "gl_FragDepth") != 0) { + _mesa_glsl_error(loc, state, + "depth layout qualifiers can be applied only to " + "gl_FragDepth"); + } else if (depth_layout_count > 1 + && strcmp(var->name, "gl_FragDepth") == 0) { + _mesa_glsl_error(loc, state, + "at most one depth layout qualifier can be applied to " + "gl_FragDepth"); + } + if (qual->flags.q.depth_any) + var->depth_layout = ir_depth_layout_any; + else if (qual->flags.q.depth_greater) + var->depth_layout = ir_depth_layout_greater; + else if (qual->flags.q.depth_less) + var->depth_layout = ir_depth_layout_less; + else if (qual->flags.q.depth_unchanged) + var->depth_layout = ir_depth_layout_unchanged; + else + var->depth_layout = ir_depth_layout_none; + + if (var->type->is_array() && state->language_version != 110) { + var->array_lvalue = true; + } +} + + +ir_rvalue * +ast_declarator_list::hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + void *ctx = state; + const struct glsl_type *decl_type; + const char *type_name = NULL; + ir_rvalue *result = NULL; + YYLTYPE loc = this->get_location(); + + /* From page 46 (page 52 of the PDF) of the GLSL 1.50 spec: + * + * "To ensure that a particular output variable is invariant, it is + * necessary to use the invariant qualifier. It can either be used to + * qualify a previously declared variable as being invariant + * + * invariant gl_Position; // make existing gl_Position be invariant" + * + * In these cases the parser will set the 'invariant' flag in the declarator + * list, and the type will be NULL. + */ + if (this->invariant) { + assert(this->type == NULL); + + if (state->current_function != NULL) { + _mesa_glsl_error(& loc, state, + "All uses of `invariant' keyword must be at global " + "scope\n"); + } + + foreach_list_typed (ast_declaration, decl, link, &this->declarations) { + assert(!decl->is_array); + assert(decl->array_size == NULL); + assert(decl->initializer == NULL); + + ir_variable *const earlier = + state->symbols->get_variable(decl->identifier); + if (earlier == NULL) { + _mesa_glsl_error(& loc, state, + "Undeclared variable `%s' cannot be marked " + "invariant\n", decl->identifier); + } else if ((state->target == vertex_shader) + && (earlier->mode != ir_var_out)) { + _mesa_glsl_error(& loc, state, + "`%s' cannot be marked invariant, vertex shader " + "outputs only\n", decl->identifier); + } else if ((state->target == fragment_shader) + && (earlier->mode != ir_var_in)) { + _mesa_glsl_error(& loc, state, + "`%s' cannot be marked invariant, fragment shader " + "inputs only\n", decl->identifier); + } else if (earlier->used) { + _mesa_glsl_error(& loc, state, + "variable `%s' may not be redeclared " + "`invariant' after being used", + earlier->name); + } else { + earlier->invariant = true; + } + } + + /* Invariant redeclarations do not have r-values. + */ + return NULL; + } + + assert(this->type != NULL); + assert(!this->invariant); + + /* The type specifier may contain a structure definition. Process that + * before any of the variable declarations. + */ + (void) this->type->specifier->hir(instructions, state); + + decl_type = this->type->specifier->glsl_type(& type_name, state); + if (this->declarations.is_empty()) { + /* The only valid case where the declaration list can be empty is when + * the declaration is setting the default precision of a built-in type + * (e.g., 'precision highp vec4;'). + */ + + if (decl_type != NULL) { + } else { + _mesa_glsl_error(& loc, state, "incomplete declaration"); + } + } + + foreach_list_typed (ast_declaration, decl, link, &this->declarations) { + const struct glsl_type *var_type; + ir_variable *var; + + /* FINISHME: Emit a warning if a variable declaration shadows a + * FINISHME: declaration at a higher scope. + */ + + if ((decl_type == NULL) || decl_type->is_void()) { + if (type_name != NULL) { + _mesa_glsl_error(& loc, state, + "invalid type `%s' in declaration of `%s'", + type_name, decl->identifier); + } else { + _mesa_glsl_error(& loc, state, + "invalid type in declaration of `%s'", + decl->identifier); + } + continue; + } + + if (decl->is_array) { + var_type = process_array_type(&loc, decl_type, decl->array_size, + state); + } else { + var_type = decl_type; + } + + var = new(ctx) ir_variable(var_type, decl->identifier, ir_var_auto); + + /* From page 22 (page 28 of the PDF) of the GLSL 1.10 specification; + * + * "Global variables can only use the qualifiers const, + * attribute, uni form, or varying. Only one may be + * specified. + * + * Local variables can only use the qualifier const." + * + * This is relaxed in GLSL 1.30. It is also relaxed by any extension + * that adds the 'layout' keyword. + */ + if ((state->language_version < 130) + && !state->ARB_explicit_attrib_location_enable + && !state->ARB_fragment_coord_conventions_enable) { + if (this->type->qualifier.flags.q.out) { + _mesa_glsl_error(& loc, state, + "`out' qualifier in declaration of `%s' " + "only valid for function parameters in %s.", + decl->identifier, state->version_string); + } + if (this->type->qualifier.flags.q.in) { + _mesa_glsl_error(& loc, state, + "`in' qualifier in declaration of `%s' " + "only valid for function parameters in %s.", + decl->identifier, state->version_string); + } + /* FINISHME: Test for other invalid qualifiers. */ + } + + apply_type_qualifier_to_variable(& this->type->qualifier, var, state, + & loc); + + if (this->type->qualifier.flags.q.invariant) { + if ((state->target == vertex_shader) && !(var->mode == ir_var_out || + var->mode == ir_var_inout)) { + /* FINISHME: Note that this doesn't work for invariant on + * a function signature outval + */ + _mesa_glsl_error(& loc, state, + "`%s' cannot be marked invariant, vertex shader " + "outputs only\n", var->name); + } else if ((state->target == fragment_shader) && + !(var->mode == ir_var_in || var->mode == ir_var_inout)) { + /* FINISHME: Note that this doesn't work for invariant on + * a function signature inval + */ + _mesa_glsl_error(& loc, state, + "`%s' cannot be marked invariant, fragment shader " + "inputs only\n", var->name); + } + } + + if (state->current_function != NULL) { + const char *mode = NULL; + const char *extra = ""; + + /* There is no need to check for 'inout' here because the parser will + * only allow that in function parameter lists. + */ + if (this->type->qualifier.flags.q.attribute) { + mode = "attribute"; + } else if (this->type->qualifier.flags.q.uniform) { + mode = "uniform"; + } else if (this->type->qualifier.flags.q.varying) { + mode = "varying"; + } else if (this->type->qualifier.flags.q.in) { + mode = "in"; + extra = " or in function parameter list"; + } else if (this->type->qualifier.flags.q.out) { + mode = "out"; + extra = " or in function parameter list"; + } + + if (mode) { + _mesa_glsl_error(& loc, state, + "%s variable `%s' must be declared at " + "global scope%s", + mode, var->name, extra); + } + } else if (var->mode == ir_var_in) { + var->read_only = true; + + if (state->target == vertex_shader) { + bool error_emitted = false; + + /* From page 31 (page 37 of the PDF) of the GLSL 1.50 spec: + * + * "Vertex shader inputs can only be float, floating-point + * vectors, matrices, signed and unsigned integers and integer + * vectors. Vertex shader inputs can also form arrays of these + * types, but not structures." + * + * From page 31 (page 27 of the PDF) of the GLSL 1.30 spec: + * + * "Vertex shader inputs can only be float, floating-point + * vectors, matrices, signed and unsigned integers and integer + * vectors. They cannot be arrays or structures." + * + * From page 23 (page 29 of the PDF) of the GLSL 1.20 spec: + * + * "The attribute qualifier can be used only with float, + * floating-point vectors, and matrices. Attribute variables + * cannot be declared as arrays or structures." + */ + const glsl_type *check_type = var->type->is_array() + ? var->type->fields.array : var->type; + + switch (check_type->base_type) { + case GLSL_TYPE_FLOAT: + break; + case GLSL_TYPE_UINT: + case GLSL_TYPE_INT: + if (state->language_version > 120) + break; + /* FALLTHROUGH */ + default: + _mesa_glsl_error(& loc, state, + "vertex shader input / attribute cannot have " + "type %s`%s'", + var->type->is_array() ? "array of " : "", + check_type->name); + error_emitted = true; + } + + if (!error_emitted && (state->language_version <= 130) + && var->type->is_array()) { + _mesa_glsl_error(& loc, state, + "vertex shader input / attribute cannot have " + "array type"); + error_emitted = true; + } + } + } + + /* Integer vertex outputs must be qualified with 'flat'. + * + * From section 4.3.6 of the GLSL 1.30 spec: + * "If a vertex output is a signed or unsigned integer or integer + * vector, then it must be qualified with the interpolation qualifier + * flat." + */ + if (state->language_version >= 130 + && state->target == vertex_shader + && state->current_function == NULL + && var->type->is_integer() + && var->mode == ir_var_out + && var->interpolation != ir_var_flat) { + + _mesa_glsl_error(&loc, state, "If a vertex output is an integer, " + "then it must be qualified with 'flat'"); + } + + + /* Interpolation qualifiers cannot be applied to 'centroid' and + * 'centroid varying'. + * + * From page 29 (page 35 of the PDF) of the GLSL 1.30 spec: + * "interpolation qualifiers may only precede the qualifiers in, + * centroid in, out, or centroid out in a declaration. They do not apply + * to the deprecated storage qualifiers varying or centroid varying." + */ + if (state->language_version >= 130 + && this->type->qualifier.has_interpolation() + && this->type->qualifier.flags.q.varying) { + + const char *i = this->type->qualifier.interpolation_string(); + assert(i != NULL); + const char *s; + if (this->type->qualifier.flags.q.centroid) + s = "centroid varying"; + else + s = "varying"; + + _mesa_glsl_error(&loc, state, + "qualifier '%s' cannot be applied to the " + "deprecated storage qualifier '%s'", i, s); + } + + + /* Interpolation qualifiers can only apply to vertex shader outputs and + * fragment shader inputs. + * + * From page 29 (page 35 of the PDF) of the GLSL 1.30 spec: + * "Outputs from a vertex shader (out) and inputs to a fragment + * shader (in) can be further qualified with one or more of these + * interpolation qualifiers" + */ + if (state->language_version >= 130 + && this->type->qualifier.has_interpolation()) { + + const char *i = this->type->qualifier.interpolation_string(); + assert(i != NULL); + + switch (state->target) { + case vertex_shader: + if (this->type->qualifier.flags.q.in) { + _mesa_glsl_error(&loc, state, + "qualifier '%s' cannot be applied to vertex " + "shader inputs", i); + } + break; + case fragment_shader: + if (this->type->qualifier.flags.q.out) { + _mesa_glsl_error(&loc, state, + "qualifier '%s' cannot be applied to fragment " + "shader outputs", i); + } + break; + default: + assert(0); + } + } + + + /* From section 4.3.4 of the GLSL 1.30 spec: + * "It is an error to use centroid in in a vertex shader." + */ + if (state->language_version >= 130 + && this->type->qualifier.flags.q.centroid + && this->type->qualifier.flags.q.in + && state->target == vertex_shader) { + + _mesa_glsl_error(&loc, state, + "'centroid in' cannot be used in a vertex shader"); + } + + + /* Precision qualifiers exists only in GLSL versions 1.00 and >= 1.30. + */ + if (this->type->specifier->precision != ast_precision_none + && state->language_version != 100 + && state->language_version < 130) { + + _mesa_glsl_error(&loc, state, + "precision qualifiers are supported only in GLSL ES " + "1.00, and GLSL 1.30 and later"); + } + + + /* Precision qualifiers only apply to floating point and integer types. + * + * From section 4.5.2 of the GLSL 1.30 spec: + * "Any floating point or any integer declaration can have the type + * preceded by one of these precision qualifiers [...] Literal + * constants do not have precision qualifiers. Neither do Boolean + * variables. + */ + if (this->type->specifier->precision != ast_precision_none + && !var->type->is_float() + && !var->type->is_integer() + && !(var->type->is_array() + && (var->type->fields.array->is_float() + || var->type->fields.array->is_integer()))) { + + _mesa_glsl_error(&loc, state, + "precision qualifiers apply only to floating point " + "and integer types"); + } + + /* Process the initializer and add its instructions to a temporary + * list. This list will be added to the instruction stream (below) after + * the declaration is added. This is done because in some cases (such as + * redeclarations) the declaration may not actually be added to the + * instruction stream. + */ + exec_list initializer_instructions; + if (decl->initializer != NULL) { + YYLTYPE initializer_loc = decl->initializer->get_location(); + + /* From page 24 (page 30 of the PDF) of the GLSL 1.10 spec: + * + * "All uniform variables are read-only and are initialized either + * directly by an application via API commands, or indirectly by + * OpenGL." + */ + if ((state->language_version <= 110) + && (var->mode == ir_var_uniform)) { + _mesa_glsl_error(& initializer_loc, state, + "cannot initialize uniforms in GLSL 1.10"); + } + + if (var->type->is_sampler()) { + _mesa_glsl_error(& initializer_loc, state, + "cannot initialize samplers"); + } + + if ((var->mode == ir_var_in) && (state->current_function == NULL)) { + _mesa_glsl_error(& initializer_loc, state, + "cannot initialize %s shader input / %s", + _mesa_glsl_shader_target_name(state->target), + (state->target == vertex_shader) + ? "attribute" : "varying"); + } + + ir_dereference *const lhs = new(ctx) ir_dereference_variable(var); + ir_rvalue *rhs = decl->initializer->hir(&initializer_instructions, + state); + + /* Calculate the constant value if this is a const or uniform + * declaration. + */ + if (this->type->qualifier.flags.q.constant + || this->type->qualifier.flags.q.uniform) { + ir_rvalue *new_rhs = validate_assignment(state, var->type, rhs); + if (new_rhs != NULL) { + rhs = new_rhs; + + ir_constant *constant_value = rhs->constant_expression_value(); + if (!constant_value) { + _mesa_glsl_error(& initializer_loc, state, + "initializer of %s variable `%s' must be a " + "constant expression", + (this->type->qualifier.flags.q.constant) + ? "const" : "uniform", + decl->identifier); + if (var->type->is_numeric()) { + /* Reduce cascading errors. */ + var->constant_value = ir_constant::zero(ctx, var->type); + } + } else { + rhs = constant_value; + var->constant_value = constant_value; + } + } else { + _mesa_glsl_error(&initializer_loc, state, + "initializer of type %s cannot be assigned to " + "variable of type %s", + rhs->type->name, var->type->name); + if (var->type->is_numeric()) { + /* Reduce cascading errors. */ + var->constant_value = ir_constant::zero(ctx, var->type); + } + } + } + + if (rhs && !rhs->type->is_error()) { + bool temp = var->read_only; + if (this->type->qualifier.flags.q.constant) + var->read_only = false; + + /* Never emit code to initialize a uniform. + */ + const glsl_type *initializer_type; + if (!this->type->qualifier.flags.q.uniform) { + result = do_assignment(&initializer_instructions, state, + lhs, rhs, + this->get_location()); + initializer_type = result->type; + } else + initializer_type = rhs->type; + + /* If the declared variable is an unsized array, it must inherrit + * its full type from the initializer. A declaration such as + * + * uniform float a[] = float[](1.0, 2.0, 3.0, 3.0); + * + * becomes + * + * uniform float a[4] = float[](1.0, 2.0, 3.0, 3.0); + * + * The assignment generated in the if-statement (below) will also + * automatically handle this case for non-uniforms. + * + * If the declared variable is not an array, the types must + * already match exactly. As a result, the type assignment + * here can be done unconditionally. For non-uniforms the call + * to do_assignment can change the type of the initializer (via + * the implicit conversion rules). For uniforms the initializer + * must be a constant expression, and the type of that expression + * was validated above. + */ + var->type = initializer_type; + + var->read_only = temp; + } + } + + /* From page 23 (page 29 of the PDF) of the GLSL 1.10 spec: + * + * "It is an error to write to a const variable outside of + * its declaration, so they must be initialized when + * declared." + */ + if (this->type->qualifier.flags.q.constant && decl->initializer == NULL) { + _mesa_glsl_error(& loc, state, + "const declaration of `%s' must be initialized", + decl->identifier); + } + + /* Check if this declaration is actually a re-declaration, either to + * resize an array or add qualifiers to an existing variable. + * + * This is allowed for variables in the current scope, or when at + * global scope (for built-ins in the implicit outer scope). + */ + ir_variable *earlier = state->symbols->get_variable(decl->identifier); + if (earlier != NULL && (state->current_function == NULL || + state->symbols->name_declared_this_scope(decl->identifier))) { + + /* From page 24 (page 30 of the PDF) of the GLSL 1.50 spec, + * + * "It is legal to declare an array without a size and then + * later re-declare the same name as an array of the same + * type and specify a size." + */ + if ((earlier->type->array_size() == 0) + && var->type->is_array() + && (var->type->element_type() == earlier->type->element_type())) { + /* FINISHME: This doesn't match the qualifiers on the two + * FINISHME: declarations. It's not 100% clear whether this is + * FINISHME: required or not. + */ + + /* From page 54 (page 60 of the PDF) of the GLSL 1.20 spec: + * + * "The size [of gl_TexCoord] can be at most + * gl_MaxTextureCoords." + */ + const unsigned size = unsigned(var->type->array_size()); + if ((strcmp("gl_TexCoord", var->name) == 0) + && (size > state->Const.MaxTextureCoords)) { + YYLTYPE loc = this->get_location(); + + _mesa_glsl_error(& loc, state, "`gl_TexCoord' array size cannot " + "be larger than gl_MaxTextureCoords (%u)\n", + state->Const.MaxTextureCoords); + } else if ((size > 0) && (size <= earlier->max_array_access)) { + YYLTYPE loc = this->get_location(); + + _mesa_glsl_error(& loc, state, "array size must be > %u due to " + "previous access", + earlier->max_array_access); + } + + earlier->type = var->type; + delete var; + var = NULL; + } else if (state->ARB_fragment_coord_conventions_enable + && strcmp(var->name, "gl_FragCoord") == 0 + && earlier->type == var->type + && earlier->mode == var->mode) { + /* Allow redeclaration of gl_FragCoord for ARB_fcc layout + * qualifiers. + */ + earlier->origin_upper_left = var->origin_upper_left; + earlier->pixel_center_integer = var->pixel_center_integer; + + /* According to section 4.3.7 of the GLSL 1.30 spec, + * the following built-in varaibles can be redeclared with an + * interpolation qualifier: + * * gl_FrontColor + * * gl_BackColor + * * gl_FrontSecondaryColor + * * gl_BackSecondaryColor + * * gl_Color + * * gl_SecondaryColor + */ + } else if (state->language_version >= 130 + && (strcmp(var->name, "gl_FrontColor") == 0 + || strcmp(var->name, "gl_BackColor") == 0 + || strcmp(var->name, "gl_FrontSecondaryColor") == 0 + || strcmp(var->name, "gl_BackSecondaryColor") == 0 + || strcmp(var->name, "gl_Color") == 0 + || strcmp(var->name, "gl_SecondaryColor") == 0) + && earlier->type == var->type + && earlier->mode == var->mode) { + earlier->interpolation = var->interpolation; + + /* Layout qualifiers for gl_FragDepth. */ + } else if (state->AMD_conservative_depth_enable + && strcmp(var->name, "gl_FragDepth") == 0 + && earlier->type == var->type + && earlier->mode == var->mode) { + + /** From the AMD_conservative_depth spec: + * Within any shader, the first redeclarations of gl_FragDepth + * must appear before any use of gl_FragDepth. + */ + if (earlier->used) { + _mesa_glsl_error(&loc, state, + "the first redeclaration of gl_FragDepth " + "must appear before any use of gl_FragDepth"); + } + + /* Prevent inconsistent redeclaration of depth layout qualifier. */ + if (earlier->depth_layout != ir_depth_layout_none + && earlier->depth_layout != var->depth_layout) { + _mesa_glsl_error(&loc, state, + "gl_FragDepth: depth layout is declared here " + "as '%s, but it was previously declared as " + "'%s'", + depth_layout_string(var->depth_layout), + depth_layout_string(earlier->depth_layout)); + } + + earlier->depth_layout = var->depth_layout; + + } else { + YYLTYPE loc = this->get_location(); + _mesa_glsl_error(&loc, state, "`%s' redeclared", decl->identifier); + } + + continue; + } + + /* By now, we know it's a new variable declaration (we didn't hit the + * above "continue"). + * + * From page 15 (page 21 of the PDF) of the GLSL 1.10 spec, + * + * "Identifiers starting with "gl_" are reserved for use by + * OpenGL, and may not be declared in a shader as either a + * variable or a function." + */ + if (strncmp(decl->identifier, "gl_", 3) == 0) + _mesa_glsl_error(& loc, state, + "identifier `%s' uses reserved `gl_' prefix", + decl->identifier); + + /* Add the variable to the symbol table. Note that the initializer's + * IR was already processed earlier (though it hasn't been emitted yet), + * without the variable in scope. + * + * This differs from most C-like languages, but it follows the GLSL + * specification. From page 28 (page 34 of the PDF) of the GLSL 1.50 + * spec: + * + * "Within a declaration, the scope of a name starts immediately + * after the initializer if present or immediately after the name + * being declared if not." + */ + if (!state->symbols->add_variable(var)) { + YYLTYPE loc = this->get_location(); + _mesa_glsl_error(&loc, state, "name `%s' already taken in the " + "current scope", decl->identifier); + continue; + } + + /* Push the variable declaration to the top. It means that all + * the variable declarations will appear in a funny + * last-to-first order, but otherwise we run into trouble if a + * function is prototyped, a global var is decled, then the + * function is defined with usage of the global var. See + * glslparsertest's CorrectModule.frag. + */ + instructions->push_head(var); + instructions->append_list(&initializer_instructions); + } + + + /* Generally, variable declarations do not have r-values. However, + * one is used for the declaration in + * + * while (bool b = some_condition()) { + * ... + * } + * + * so we return the rvalue from the last seen declaration here. + */ + return result; +} + + +ir_rvalue * +ast_parameter_declarator::hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + void *ctx = state; + const struct glsl_type *type; + const char *name = NULL; + YYLTYPE loc = this->get_location(); + + type = this->type->specifier->glsl_type(& name, state); + + if (type == NULL) { + if (name != NULL) { + _mesa_glsl_error(& loc, state, + "invalid type `%s' in declaration of `%s'", + name, this->identifier); + } else { + _mesa_glsl_error(& loc, state, + "invalid type in declaration of `%s'", + this->identifier); + } + + type = glsl_type::error_type; + } + + /* From page 62 (page 68 of the PDF) of the GLSL 1.50 spec: + * + * "Functions that accept no input arguments need not use void in the + * argument list because prototypes (or definitions) are required and + * therefore there is no ambiguity when an empty argument list "( )" is + * declared. The idiom "(void)" as a parameter list is provided for + * convenience." + * + * Placing this check here prevents a void parameter being set up + * for a function, which avoids tripping up checks for main taking + * parameters and lookups of an unnamed symbol. + */ + if (type->is_void()) { + if (this->identifier != NULL) + _mesa_glsl_error(& loc, state, + "named parameter cannot have type `void'"); + + is_void = true; + return NULL; + } + + if (formal_parameter && (this->identifier == NULL)) { + _mesa_glsl_error(& loc, state, "formal parameter lacks a name"); + return NULL; + } + + /* This only handles "vec4 foo[..]". The earlier specifier->glsl_type(...) + * call already handled the "vec4[..] foo" case. + */ + if (this->is_array) { + type = process_array_type(&loc, type, this->array_size, state); + } + + if (type->array_size() == 0) { + _mesa_glsl_error(&loc, state, "arrays passed as parameters must have " + "a declared size."); + type = glsl_type::error_type; + } + + is_void = false; + ir_variable *var = new(ctx) ir_variable(type, this->identifier, ir_var_in); + + /* Apply any specified qualifiers to the parameter declaration. Note that + * for function parameters the default mode is 'in'. + */ + apply_type_qualifier_to_variable(& this->type->qualifier, var, state, & loc); + + instructions->push_tail(var); + + /* Parameter declarations do not have r-values. + */ + return NULL; +} + + +void +ast_parameter_declarator::parameters_to_hir(exec_list *ast_parameters, + bool formal, + exec_list *ir_parameters, + _mesa_glsl_parse_state *state) +{ + ast_parameter_declarator *void_param = NULL; + unsigned count = 0; + + foreach_list_typed (ast_parameter_declarator, param, link, ast_parameters) { + param->formal_parameter = formal; + param->hir(ir_parameters, state); + + if (param->is_void) + void_param = param; + + count++; + } + + if ((void_param != NULL) && (count > 1)) { + YYLTYPE loc = void_param->get_location(); + + _mesa_glsl_error(& loc, state, + "`void' parameter must be only parameter"); + } +} + + +void +emit_function(_mesa_glsl_parse_state *state, exec_list *instructions, + ir_function *f) +{ + /* Emit the new function header */ + if (state->current_function == NULL) { + instructions->push_tail(f); + } else { + /* IR invariants disallow function declarations or definitions nested + * within other function definitions. Insert the new ir_function + * block in the instruction sequence before the ir_function block + * containing the current ir_function_signature. + */ + ir_function *const curr = + const_cast(state->current_function->function()); + + curr->insert_before(f); + } +} + + +ir_rvalue * +ast_function::hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + void *ctx = state; + ir_function *f = NULL; + ir_function_signature *sig = NULL; + exec_list hir_parameters; + + const char *const name = identifier; + + /* From page 21 (page 27 of the PDF) of the GLSL 1.20 spec, + * + * "Function declarations (prototypes) cannot occur inside of functions; + * they must be at global scope, or for the built-in functions, outside + * the global scope." + * + * From page 27 (page 33 of the PDF) of the GLSL ES 1.00.16 spec, + * + * "User defined functions may only be defined within the global scope." + * + * Note that this language does not appear in GLSL 1.10. + */ + if ((state->current_function != NULL) && (state->language_version != 110)) { + YYLTYPE loc = this->get_location(); + _mesa_glsl_error(&loc, state, + "declaration of function `%s' not allowed within " + "function body", name); + } + + /* From page 15 (page 21 of the PDF) of the GLSL 1.10 spec, + * + * "Identifiers starting with "gl_" are reserved for use by + * OpenGL, and may not be declared in a shader as either a + * variable or a function." + */ + if (strncmp(name, "gl_", 3) == 0) { + YYLTYPE loc = this->get_location(); + _mesa_glsl_error(&loc, state, + "identifier `%s' uses reserved `gl_' prefix", name); + } + + /* Convert the list of function parameters to HIR now so that they can be + * used below to compare this function's signature with previously seen + * signatures for functions with the same name. + */ + ast_parameter_declarator::parameters_to_hir(& this->parameters, + is_definition, + & hir_parameters, state); + + const char *return_type_name; + const glsl_type *return_type = + this->return_type->specifier->glsl_type(& return_type_name, state); + + if (!return_type) { + YYLTYPE loc = this->get_location(); + _mesa_glsl_error(&loc, state, + "function `%s' has undeclared return type `%s'", + name, return_type_name); + return_type = glsl_type::error_type; + } + + /* From page 56 (page 62 of the PDF) of the GLSL 1.30 spec: + * "No qualifier is allowed on the return type of a function." + */ + if (this->return_type->has_qualifiers()) { + YYLTYPE loc = this->get_location(); + _mesa_glsl_error(& loc, state, + "function `%s' return type has qualifiers", name); + } + + /* Verify that this function's signature either doesn't match a previously + * seen signature for a function with the same name, or, if a match is found, + * that the previously seen signature does not have an associated definition. + */ + f = state->symbols->get_function(name); + if (f != NULL && (state->es_shader || f->has_user_signature())) { + sig = f->exact_matching_signature(&hir_parameters); + if (sig != NULL) { + const char *badvar = sig->qualifiers_match(&hir_parameters); + if (badvar != NULL) { + YYLTYPE loc = this->get_location(); + + _mesa_glsl_error(&loc, state, "function `%s' parameter `%s' " + "qualifiers don't match prototype", name, badvar); + } + + if (sig->return_type != return_type) { + YYLTYPE loc = this->get_location(); + + _mesa_glsl_error(&loc, state, "function `%s' return type doesn't " + "match prototype", name); + } + + if (is_definition && sig->is_defined) { + YYLTYPE loc = this->get_location(); + + _mesa_glsl_error(& loc, state, "function `%s' redefined", name); + } + } + } else { + f = new(ctx) ir_function(name); + if (!state->symbols->add_function(f)) { + /* This function name shadows a non-function use of the same name. */ + YYLTYPE loc = this->get_location(); + + _mesa_glsl_error(&loc, state, "function name `%s' conflicts with " + "non-function", name); + return NULL; + } + + emit_function(state, instructions, f); + } + + /* Verify the return type of main() */ + if (strcmp(name, "main") == 0) { + if (! return_type->is_void()) { + YYLTYPE loc = this->get_location(); + + _mesa_glsl_error(& loc, state, "main() must return void"); + } + + if (!hir_parameters.is_empty()) { + YYLTYPE loc = this->get_location(); + + _mesa_glsl_error(& loc, state, "main() must not take any parameters"); + } + } + + /* Finish storing the information about this new function in its signature. + */ + if (sig == NULL) { + sig = new(ctx) ir_function_signature(return_type); + f->add_signature(sig); + } + + sig->replace_parameters(&hir_parameters); + signature = sig; + + /* Function declarations (prototypes) do not have r-values. + */ + return NULL; +} + + +ir_rvalue * +ast_function_definition::hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + prototype->is_definition = true; + prototype->hir(instructions, state); + + ir_function_signature *signature = prototype->signature; + if (signature == NULL) + return NULL; + + assert(state->current_function == NULL); + state->current_function = signature; + state->found_return = false; + + /* Duplicate parameters declared in the prototype as concrete variables. + * Add these to the symbol table. + */ + state->symbols->push_scope(); + foreach_iter(exec_list_iterator, iter, signature->parameters) { + ir_variable *const var = ((ir_instruction *) iter.get())->as_variable(); + + assert(var != NULL); + + /* The only way a parameter would "exist" is if two parameters have + * the same name. + */ + if (state->symbols->name_declared_this_scope(var->name)) { + YYLTYPE loc = this->get_location(); + + _mesa_glsl_error(& loc, state, "parameter `%s' redeclared", var->name); + } else { + state->symbols->add_variable(var); + } + } + + /* Convert the body of the function to HIR. */ + this->body->hir(&signature->body, state); + signature->is_defined = true; + + state->symbols->pop_scope(); + + assert(state->current_function == signature); + state->current_function = NULL; + + if (!signature->return_type->is_void() && !state->found_return) { + YYLTYPE loc = this->get_location(); + _mesa_glsl_error(& loc, state, "function `%s' has non-void return type " + "%s, but no return statement", + signature->function_name(), + signature->return_type->name); + } + + /* Function definitions do not have r-values. + */ + return NULL; +} + + +ir_rvalue * +ast_jump_statement::hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + void *ctx = state; + + switch (mode) { + case ast_return: { + ir_return *inst; + assert(state->current_function); + + if (opt_return_value) { + ir_rvalue *const ret = opt_return_value->hir(instructions, state); + + /* The value of the return type can be NULL if the shader says + * 'return foo();' and foo() is a function that returns void. + * + * NOTE: The GLSL spec doesn't say that this is an error. The type + * of the return value is void. If the return type of the function is + * also void, then this should compile without error. Seriously. + */ + const glsl_type *const ret_type = + (ret == NULL) ? glsl_type::void_type : ret->type; + + /* Implicit conversions are not allowed for return values. */ + if (state->current_function->return_type != ret_type) { + YYLTYPE loc = this->get_location(); + + _mesa_glsl_error(& loc, state, + "`return' with wrong type %s, in function `%s' " + "returning %s", + ret_type->name, + state->current_function->function_name(), + state->current_function->return_type->name); + } + + inst = new(ctx) ir_return(ret); + } else { + if (state->current_function->return_type->base_type != + GLSL_TYPE_VOID) { + YYLTYPE loc = this->get_location(); + + _mesa_glsl_error(& loc, state, + "`return' with no value, in function %s returning " + "non-void", + state->current_function->function_name()); + } + inst = new(ctx) ir_return; + } + + state->found_return = true; + instructions->push_tail(inst); + break; + } + + case ast_discard: + if (state->target != fragment_shader) { + YYLTYPE loc = this->get_location(); + + _mesa_glsl_error(& loc, state, + "`discard' may only appear in a fragment shader"); + } + instructions->push_tail(new(ctx) ir_discard); + break; + + case ast_break: + case ast_continue: + /* FINISHME: Handle switch-statements. They cannot contain 'continue', + * FINISHME: and they use a different IR instruction for 'break'. + */ + /* FINISHME: Correctly handle the nesting. If a switch-statement is + * FINISHME: inside a loop, a 'continue' is valid and will bind to the + * FINISHME: loop. + */ + if (state->loop_or_switch_nesting == NULL) { + YYLTYPE loc = this->get_location(); + + _mesa_glsl_error(& loc, state, + "`%s' may only appear in a loop", + (mode == ast_break) ? "break" : "continue"); + } else { + ir_loop *const loop = state->loop_or_switch_nesting->as_loop(); + + /* Inline the for loop expression again, since we don't know + * where near the end of the loop body the normal copy of it + * is going to be placed. + */ + if (mode == ast_continue && + state->loop_or_switch_nesting_ast->rest_expression) { + state->loop_or_switch_nesting_ast->rest_expression->hir(instructions, + state); + } + + if (loop != NULL) { + ir_loop_jump *const jump = + new(ctx) ir_loop_jump((mode == ast_break) + ? ir_loop_jump::jump_break + : ir_loop_jump::jump_continue); + instructions->push_tail(jump); + } + } + + break; + } + + /* Jump instructions do not have r-values. + */ + return NULL; +} + + +ir_rvalue * +ast_selection_statement::hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + void *ctx = state; + + ir_rvalue *const condition = this->condition->hir(instructions, state); + + /* From page 66 (page 72 of the PDF) of the GLSL 1.50 spec: + * + * "Any expression whose type evaluates to a Boolean can be used as the + * conditional expression bool-expression. Vector types are not accepted + * as the expression to if." + * + * The checks are separated so that higher quality diagnostics can be + * generated for cases where both rules are violated. + */ + if (!condition->type->is_boolean() || !condition->type->is_scalar()) { + YYLTYPE loc = this->condition->get_location(); + + _mesa_glsl_error(& loc, state, "if-statement condition must be scalar " + "boolean"); + } + + ir_if *const stmt = new(ctx) ir_if(condition); + + if (then_statement != NULL) { + state->symbols->push_scope(); + then_statement->hir(& stmt->then_instructions, state); + state->symbols->pop_scope(); + } + + if (else_statement != NULL) { + state->symbols->push_scope(); + else_statement->hir(& stmt->else_instructions, state); + state->symbols->pop_scope(); + } + + instructions->push_tail(stmt); + + /* if-statements do not have r-values. + */ + return NULL; +} + + +void +ast_iteration_statement::condition_to_hir(ir_loop *stmt, + struct _mesa_glsl_parse_state *state) +{ + void *ctx = state; + + if (condition != NULL) { + ir_rvalue *const cond = + condition->hir(& stmt->body_instructions, state); + + if ((cond == NULL) + || !cond->type->is_boolean() || !cond->type->is_scalar()) { + YYLTYPE loc = condition->get_location(); + + _mesa_glsl_error(& loc, state, + "loop condition must be scalar boolean"); + } else { + /* As the first code in the loop body, generate a block that looks + * like 'if (!condition) break;' as the loop termination condition. + */ + ir_rvalue *const not_cond = + new(ctx) ir_expression(ir_unop_logic_not, glsl_type::bool_type, cond, + NULL); + + ir_if *const if_stmt = new(ctx) ir_if(not_cond); + + ir_jump *const break_stmt = + new(ctx) ir_loop_jump(ir_loop_jump::jump_break); + + if_stmt->then_instructions.push_tail(break_stmt); + stmt->body_instructions.push_tail(if_stmt); + } + } +} + + +ir_rvalue * +ast_iteration_statement::hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + void *ctx = state; + + /* For-loops and while-loops start a new scope, but do-while loops do not. + */ + if (mode != ast_do_while) + state->symbols->push_scope(); + + if (init_statement != NULL) + init_statement->hir(instructions, state); + + ir_loop *const stmt = new(ctx) ir_loop(); + instructions->push_tail(stmt); + + /* Track the current loop and / or switch-statement nesting. + */ + ir_instruction *const nesting = state->loop_or_switch_nesting; + ast_iteration_statement *nesting_ast = state->loop_or_switch_nesting_ast; + + state->loop_or_switch_nesting = stmt; + state->loop_or_switch_nesting_ast = this; + + if (mode != ast_do_while) + condition_to_hir(stmt, state); + + if (body != NULL) + body->hir(& stmt->body_instructions, state); + + if (rest_expression != NULL) + rest_expression->hir(& stmt->body_instructions, state); + + if (mode == ast_do_while) + condition_to_hir(stmt, state); + + if (mode != ast_do_while) + state->symbols->pop_scope(); + + /* Restore previous nesting before returning. + */ + state->loop_or_switch_nesting = nesting; + state->loop_or_switch_nesting_ast = nesting_ast; + + /* Loops do not have r-values. + */ + return NULL; +} + + +ir_rvalue * +ast_type_specifier::hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + if (!this->is_precision_statement && this->structure == NULL) + return NULL; + + YYLTYPE loc = this->get_location(); + + if (this->precision != ast_precision_none + && state->language_version != 100 + && state->language_version < 130) { + _mesa_glsl_error(&loc, state, + "precision qualifiers exist only in " + "GLSL ES 1.00, and GLSL 1.30 and later"); + return NULL; + } + if (this->precision != ast_precision_none + && this->structure != NULL) { + _mesa_glsl_error(&loc, state, + "precision qualifiers do not apply to structures"); + return NULL; + } + + /* If this is a precision statement, check that the type to which it is + * applied is either float or int. + * + * From section 4.5.3 of the GLSL 1.30 spec: + * "The precision statement + * precision precision-qualifier type; + * can be used to establish a default precision qualifier. The type + * field can be either int or float [...]. Any other types or + * qualifiers will result in an error. + */ + if (this->is_precision_statement) { + assert(this->precision != ast_precision_none); + assert(this->structure == NULL); /* The check for structures was + * performed above. */ + if (this->is_array) { + _mesa_glsl_error(&loc, state, + "default precision statements do not apply to " + "arrays"); + return NULL; + } + if (this->type_specifier != ast_float + && this->type_specifier != ast_int) { + _mesa_glsl_error(&loc, state, + "default precision statements apply only to types " + "float and int"); + return NULL; + } + + /* FINISHME: Translate precision statements into IR. */ + return NULL; + } + + if (this->structure != NULL) + return this->structure->hir(instructions, state); + + return NULL; +} + + +ir_rvalue * +ast_struct_specifier::hir(exec_list *instructions, + struct _mesa_glsl_parse_state *state) +{ + unsigned decl_count = 0; + + /* Make an initial pass over the list of structure fields to determine how + * many there are. Each element in this list is an ast_declarator_list. + * This means that we actually need to count the number of elements in the + * 'declarations' list in each of the elements. + */ + foreach_list_typed (ast_declarator_list, decl_list, link, + &this->declarations) { + foreach_list_const (decl_ptr, & decl_list->declarations) { + decl_count++; + } + } + + /* Allocate storage for the structure fields and process the field + * declarations. As the declarations are processed, try to also convert + * the types to HIR. This ensures that structure definitions embedded in + * other structure definitions are processed. + */ + glsl_struct_field *const fields = talloc_array(state, glsl_struct_field, + decl_count); + + unsigned i = 0; + foreach_list_typed (ast_declarator_list, decl_list, link, + &this->declarations) { + const char *type_name; + + decl_list->type->specifier->hir(instructions, state); + + /* Section 10.9 of the GLSL ES 1.00 specification states that + * embedded structure definitions have been removed from the language. + */ + if (state->es_shader && decl_list->type->specifier->structure != NULL) { + YYLTYPE loc = this->get_location(); + _mesa_glsl_error(&loc, state, "Embedded structure definitions are " + "not allowed in GLSL ES 1.00."); + } + + const glsl_type *decl_type = + decl_list->type->specifier->glsl_type(& type_name, state); + + foreach_list_typed (ast_declaration, decl, link, + &decl_list->declarations) { + const struct glsl_type *field_type = decl_type; + if (decl->is_array) { + YYLTYPE loc = decl->get_location(); + field_type = process_array_type(&loc, decl_type, decl->array_size, + state); + } + fields[i].type = (field_type != NULL) + ? field_type : glsl_type::error_type; + fields[i].name = decl->identifier; + i++; + } + } + + assert(i == decl_count); + + const glsl_type *t = + glsl_type::get_record_instance(fields, decl_count, this->name); + + YYLTYPE loc = this->get_location(); + if (!state->symbols->add_type(name, t)) { + _mesa_glsl_error(& loc, state, "struct `%s' previously defined", name); + } else { + + const glsl_type **s = (const glsl_type **) + realloc(state->user_structures, + sizeof(state->user_structures[0]) * + (state->num_user_structures + 1)); + if (s != NULL) { + s[state->num_user_structures] = t; + state->user_structures = s; + state->num_user_structures++; + } + } + + /* Structure type definitions do not have r-values. + */ + return NULL; +} diff --git a/mesalib/src/glsl/glcpp/glcpp-parse.c b/mesalib/src/glsl/glcpp/glcpp-parse.c index 04e75dd6f..8567bda1e 100644 --- a/mesalib/src/glsl/glcpp/glcpp-parse.c +++ b/mesalib/src/glsl/glcpp/glcpp-parse.c @@ -1,4214 +1,4216 @@ -/* A Bison parser, made by GNU Bison 2.4.3. */ - -/* Skeleton implementation for Bison's Yacc-like parsers in C - - Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006, - 2009, 2010 Free Software Foundation, Inc. - - This program is free software: you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation, either version 3 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see . */ - -/* As a special exception, you may create a larger work that contains - part or all of the Bison parser skeleton and distribute that work - under terms of your choice, so long as that work isn't itself a - parser generator using the skeleton or a modified version thereof - as a parser skeleton. Alternatively, if you modify or redistribute - the parser skeleton itself, you may (at your option) remove this - special exception, which will cause the skeleton and the resulting - Bison output files to be licensed under the GNU General Public - License without this special exception. - - This special exception was added by the Free Software Foundation in - version 2.2 of Bison. */ - -/* C LALR(1) parser skeleton written by Richard Stallman, by - simplifying the original so-called "semantic" parser. */ - -/* All symbols defined below should begin with yy or YY, to avoid - infringing on user name space. This should be done even for local - variables, as they might otherwise be expanded by user macros. - There are some unavoidable exceptions within include files to - define necessary library symbols; they are noted "INFRINGES ON - USER NAME SPACE" below. */ - -/* Identify Bison output. */ -#define YYBISON 1 - -/* Bison version. */ -#define YYBISON_VERSION "2.4.3" - -/* Skeleton name. */ -#define YYSKELETON_NAME "yacc.c" - -/* Pure parsers. */ -#define YYPURE 1 - -/* Push parsers. */ -#define YYPUSH 0 - -/* Pull parsers. */ -#define YYPULL 1 - -/* Using locations. */ -#define YYLSP_NEEDED 1 - - - -/* Copy the first part of user declarations. */ - -/* Line 189 of yacc.c */ -#line 1 "glcpp/glcpp-parse.y" - -/* - * Copyright © 2010 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - */ - -#include -#include -#include -#include -#include - -#include "glcpp.h" -#include "main/core.h" /* for struct gl_extensions */ -#include "main/mtypes.h" /* for gl_api enum */ - -#define glcpp_print(stream, str) stream = talloc_strdup_append(stream, str) -#define glcpp_printf(stream, fmt, args, ...) \ - stream = talloc_asprintf_append(stream, fmt, args) - -static void -yyerror (YYLTYPE *locp, glcpp_parser_t *parser, const char *error); - -static void -_define_object_macro (glcpp_parser_t *parser, - YYLTYPE *loc, - const char *macro, - token_list_t *replacements); - -static void -_define_function_macro (glcpp_parser_t *parser, - YYLTYPE *loc, - const char *macro, - string_list_t *parameters, - token_list_t *replacements); - -static string_list_t * -_string_list_create (void *ctx); - -static void -_string_list_append_item (string_list_t *list, const char *str); - -static int -_string_list_contains (string_list_t *list, const char *member, int *index); - -static int -_string_list_length (string_list_t *list); - -static int -_string_list_equal (string_list_t *a, string_list_t *b); - -static argument_list_t * -_argument_list_create (void *ctx); - -static void -_argument_list_append (argument_list_t *list, token_list_t *argument); - -static int -_argument_list_length (argument_list_t *list); - -static token_list_t * -_argument_list_member_at (argument_list_t *list, int index); - -/* Note: This function talloc_steal()s the str pointer. */ -static token_t * -_token_create_str (void *ctx, int type, char *str); - -static token_t * -_token_create_ival (void *ctx, int type, int ival); - -static token_list_t * -_token_list_create (void *ctx); - -/* Note: This function calls talloc_steal on token. */ -static void -_token_list_append (token_list_t *list, token_t *token); - -static void -_token_list_append_list (token_list_t *list, token_list_t *tail); - -static int -_token_list_equal_ignoring_space (token_list_t *a, token_list_t *b); - -static active_list_t * -_active_list_push (active_list_t *list, - const char *identifier, - token_node_t *marker); - -static active_list_t * -_active_list_pop (active_list_t *list); - -int -_active_list_contains (active_list_t *list, const char *identifier); - -static void -_glcpp_parser_expand_if (glcpp_parser_t *parser, int type, token_list_t *list); - -static void -_glcpp_parser_expand_token_list (glcpp_parser_t *parser, - token_list_t *list); - -static void -_glcpp_parser_print_expanded_token_list (glcpp_parser_t *parser, - token_list_t *list); - -static void -_glcpp_parser_skip_stack_push_if (glcpp_parser_t *parser, YYLTYPE *loc, - int condition); - -static void -_glcpp_parser_skip_stack_change_if (glcpp_parser_t *parser, YYLTYPE *loc, - const char *type, int condition); - -static void -_glcpp_parser_skip_stack_pop (glcpp_parser_t *parser, YYLTYPE *loc); - -#define yylex glcpp_parser_lex - -static int -glcpp_parser_lex (YYSTYPE *yylval, YYLTYPE *yylloc, glcpp_parser_t *parser); - -static void -glcpp_parser_lex_from (glcpp_parser_t *parser, token_list_t *list); - -static void -add_builtin_define(glcpp_parser_t *parser, const char *name, int value); - - - -/* Line 189 of yacc.c */ -#line 220 "glcpp/glcpp-parse.c" - -/* Enabling traces. */ -#ifndef YYDEBUG -# define YYDEBUG 0 -#endif - -/* Enabling verbose error messages. */ -#ifdef YYERROR_VERBOSE -# undef YYERROR_VERBOSE -# define YYERROR_VERBOSE 1 -#else -# define YYERROR_VERBOSE 1 -#endif - -/* Enabling the token table. */ -#ifndef YYTOKEN_TABLE -# define YYTOKEN_TABLE 0 -#endif - - -/* Tokens. */ -#ifndef YYTOKENTYPE -# define YYTOKENTYPE - /* Put the tokens into the symbol table, so that GDB and other debuggers - know about them. */ - enum yytokentype { - COMMA_FINAL = 258, - DEFINED = 259, - ELIF_EXPANDED = 260, - HASH = 261, - HASH_DEFINE_FUNC = 262, - HASH_DEFINE_OBJ = 263, - HASH_ELIF = 264, - HASH_ELSE = 265, - HASH_ENDIF = 266, - HASH_IF = 267, - HASH_IFDEF = 268, - HASH_IFNDEF = 269, - HASH_UNDEF = 270, - HASH_VERSION = 271, - IDENTIFIER = 272, - IF_EXPANDED = 273, - INTEGER = 274, - INTEGER_STRING = 275, - NEWLINE = 276, - OTHER = 277, - PLACEHOLDER = 278, - SPACE = 279, - PASTE = 280, - OR = 281, - AND = 282, - NOT_EQUAL = 283, - EQUAL = 284, - GREATER_OR_EQUAL = 285, - LESS_OR_EQUAL = 286, - RIGHT_SHIFT = 287, - LEFT_SHIFT = 288, - UNARY = 289 - }; -#endif - - - -#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED - -# define yystype YYSTYPE /* obsolescent; will be withdrawn */ -# define YYSTYPE_IS_DECLARED 1 -#endif - -#if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED -typedef struct YYLTYPE -{ - int first_line; - int first_column; - int last_line; - int last_column; -} YYLTYPE; -# define yyltype YYLTYPE /* obsolescent; will be withdrawn */ -# define YYLTYPE_IS_DECLARED 1 -# define YYLTYPE_IS_TRIVIAL 1 -#endif - - -/* Copy the second part of user declarations. */ - - -/* Line 264 of yacc.c */ -#line 308 "glcpp/glcpp-parse.c" - -#ifdef short -# undef short -#endif - -#ifdef YYTYPE_UINT8 -typedef YYTYPE_UINT8 yytype_uint8; -#else -typedef unsigned char yytype_uint8; -#endif - -#ifdef YYTYPE_INT8 -typedef YYTYPE_INT8 yytype_int8; -#elif (defined __STDC__ || defined __C99__FUNC__ \ - || defined __cplusplus || defined _MSC_VER) -typedef signed char yytype_int8; -#else -typedef short int yytype_int8; -#endif - -#ifdef YYTYPE_UINT16 -typedef YYTYPE_UINT16 yytype_uint16; -#else -typedef unsigned short int yytype_uint16; -#endif - -#ifdef YYTYPE_INT16 -typedef YYTYPE_INT16 yytype_int16; -#else -typedef short int yytype_int16; -#endif - -#ifndef YYSIZE_T -# ifdef __SIZE_TYPE__ -# define YYSIZE_T __SIZE_TYPE__ -# elif defined size_t -# define YYSIZE_T size_t -# elif ! defined YYSIZE_T && (defined __STDC__ || defined __C99__FUNC__ \ - || defined __cplusplus || defined _MSC_VER) -# include /* INFRINGES ON USER NAME SPACE */ -# define YYSIZE_T size_t -# else -# define YYSIZE_T unsigned int -# endif -#endif - -#define YYSIZE_MAXIMUM ((YYSIZE_T) -1) - -#ifndef YY_ -# if defined YYENABLE_NLS && YYENABLE_NLS -# if ENABLE_NLS -# include /* INFRINGES ON USER NAME SPACE */ -# define YY_(msgid) dgettext ("bison-runtime", msgid) -# endif -# endif -# ifndef YY_ -# define YY_(msgid) msgid -# endif -#endif - -/* Suppress unused-variable warnings by "using" E. */ -#if ! defined lint || defined __GNUC__ -# define YYUSE(e) ((void) (e)) -#else -# define YYUSE(e) /* empty */ -#endif - -/* Identity function, used to suppress warnings about constant conditions. */ -#ifndef lint -# define YYID(n) (n) -#else -#if (defined __STDC__ || defined __C99__FUNC__ \ - || defined __cplusplus || defined _MSC_VER) -static int -YYID (int yyi) -#else -static int -YYID (yyi) - int yyi; -#endif -{ - return yyi; -} -#endif - -#if ! defined yyoverflow || YYERROR_VERBOSE - -/* The parser invokes alloca or malloc; define the necessary symbols. */ - -# ifdef YYSTACK_USE_ALLOCA -# if YYSTACK_USE_ALLOCA -# ifdef __GNUC__ -# define YYSTACK_ALLOC __builtin_alloca -# elif defined __BUILTIN_VA_ARG_INCR -# include /* INFRINGES ON USER NAME SPACE */ -# elif defined _AIX -# define YYSTACK_ALLOC __alloca -# elif defined _MSC_VER -# include /* INFRINGES ON USER NAME SPACE */ -# define alloca _alloca -# else -# define YYSTACK_ALLOC alloca -# if ! defined _ALLOCA_H && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ - || defined __cplusplus || defined _MSC_VER) -# include /* INFRINGES ON USER NAME SPACE */ -# ifndef _STDLIB_H -# define _STDLIB_H 1 -# endif -# endif -# endif -# endif -# endif - -# ifdef YYSTACK_ALLOC - /* Pacify GCC's `empty if-body' warning. */ -# define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0)) -# ifndef YYSTACK_ALLOC_MAXIMUM - /* The OS might guarantee only one guard page at the bottom of the stack, - and a page size can be as small as 4096 bytes. So we cannot safely - invoke alloca (N) if N exceeds 4096. Use a slightly smaller number - to allow for a few compiler-allocated temporary stack slots. */ -# define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */ -# endif -# else -# define YYSTACK_ALLOC YYMALLOC -# define YYSTACK_FREE YYFREE -# ifndef YYSTACK_ALLOC_MAXIMUM -# define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM -# endif -# if (defined __cplusplus && ! defined _STDLIB_H \ - && ! ((defined YYMALLOC || defined malloc) \ - && (defined YYFREE || defined free))) -# include /* INFRINGES ON USER NAME SPACE */ -# ifndef _STDLIB_H -# define _STDLIB_H 1 -# endif -# endif -# ifndef YYMALLOC -# define YYMALLOC malloc -# if ! defined malloc && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ - || defined __cplusplus || defined _MSC_VER) -void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */ -# endif -# endif -# ifndef YYFREE -# define YYFREE free -# if ! defined free && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ - || defined __cplusplus || defined _MSC_VER) -void free (void *); /* INFRINGES ON USER NAME SPACE */ -# endif -# endif -# endif -#endif /* ! defined yyoverflow || YYERROR_VERBOSE */ - - -#if (! defined yyoverflow \ - && (! defined __cplusplus \ - || (defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL \ - && defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL))) - -/* A type that is properly aligned for any stack member. */ -union yyalloc -{ - yytype_int16 yyss_alloc; - YYSTYPE yyvs_alloc; - YYLTYPE yyls_alloc; -}; - -/* The size of the maximum gap between one aligned stack and the next. */ -# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1) - -/* The size of an array large to enough to hold all stacks, each with - N elements. */ -# define YYSTACK_BYTES(N) \ - ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \ - + 2 * YYSTACK_GAP_MAXIMUM) - -/* Copy COUNT objects from FROM to TO. The source and destination do - not overlap. */ -# ifndef YYCOPY -# if defined __GNUC__ && 1 < __GNUC__ -# define YYCOPY(To, From, Count) \ - __builtin_memcpy (To, From, (Count) * sizeof (*(From))) -# else -# define YYCOPY(To, From, Count) \ - do \ - { \ - YYSIZE_T yyi; \ - for (yyi = 0; yyi < (Count); yyi++) \ - (To)[yyi] = (From)[yyi]; \ - } \ - while (YYID (0)) -# endif -# endif - -/* Relocate STACK from its old location to the new one. The - local variables YYSIZE and YYSTACKSIZE give the old and new number of - elements in the stack, and YYPTR gives the new location of the - stack. Advance YYPTR to a properly aligned location for the next - stack. */ -# define YYSTACK_RELOCATE(Stack_alloc, Stack) \ - do \ - { \ - YYSIZE_T yynewbytes; \ - YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \ - Stack = &yyptr->Stack_alloc; \ - yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \ - yyptr += yynewbytes / sizeof (*yyptr); \ - } \ - while (YYID (0)) - -#endif - -/* YYFINAL -- State number of the termination state. */ -#define YYFINAL 2 -/* YYLAST -- Last index in YYTABLE. */ -#define YYLAST 606 - -/* YYNTOKENS -- Number of terminals. */ -#define YYNTOKENS 57 -/* YYNNTS -- Number of nonterminals. */ -#define YYNNTS 17 -/* YYNRULES -- Number of rules. */ -#define YYNRULES 101 -/* YYNRULES -- Number of states. */ -#define YYNSTATES 162 - -/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */ -#define YYUNDEFTOK 2 -#define YYMAXUTOK 289 - -#define YYTRANSLATE(YYX) \ - ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) - -/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */ -static const yytype_uint8 yytranslate[] = -{ - 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 47, 2, 2, 2, 43, 30, 2, - 45, 46, 41, 39, 49, 40, 54, 42, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 55, - 33, 56, 34, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 50, 2, 51, 29, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 52, 28, 53, 48, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 1, 2, 3, 4, - 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, - 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, - 25, 26, 27, 31, 32, 35, 36, 37, 38, 44 -}; - -#if YYDEBUG -/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in - YYRHS. */ -static const yytype_uint16 yyprhs[] = -{ - 0, 0, 3, 4, 7, 9, 11, 13, 16, 20, - 24, 29, 36, 44, 48, 52, 55, 60, 65, 69, - 72, 75, 78, 82, 85, 87, 89, 91, 95, 99, - 103, 107, 111, 115, 119, 123, 127, 131, 135, 139, - 143, 147, 151, 155, 159, 163, 166, 169, 172, 175, - 179, 181, 185, 187, 190, 193, 194, 196, 197, 199, - 202, 207, 209, 211, 214, 216, 219, 221, 223, 225, - 227, 229, 231, 233, 235, 237, 239, 241, 243, 245, - 247, 249, 251, 253, 255, 257, 259, 261, 263, 265, - 267, 269, 271, 273, 275, 277, 279, 281, 283, 285, - 287, 289 -}; - -/* YYRHS -- A `-1'-separated list of the rules' RHS. */ -static const yytype_int8 yyrhs[] = -{ - 58, 0, -1, -1, 58, 59, -1, 61, -1, 65, - -1, 60, -1, 6, 66, -1, 18, 63, 21, -1, - 5, 63, 21, -1, 8, 17, 67, 21, -1, 7, - 17, 45, 46, 67, 21, -1, 7, 17, 45, 64, - 46, 67, 21, -1, 15, 17, 21, -1, 12, 70, - 21, -1, 12, 21, -1, 13, 17, 68, 21, -1, - 14, 17, 68, 21, -1, 9, 70, 21, -1, 9, - 21, -1, 10, 21, -1, 11, 21, -1, 16, 62, - 21, -1, 6, 21, -1, 20, -1, 19, -1, 62, - -1, 63, 26, 63, -1, 63, 27, 63, -1, 63, - 28, 63, -1, 63, 29, 63, -1, 63, 30, 63, - -1, 63, 31, 63, -1, 63, 32, 63, -1, 63, - 35, 63, -1, 63, 36, 63, -1, 63, 34, 63, - -1, 63, 33, 63, -1, 63, 37, 63, -1, 63, - 38, 63, -1, 63, 40, 63, -1, 63, 39, 63, - -1, 63, 43, 63, -1, 63, 42, 63, -1, 63, - 41, 63, -1, 47, 63, -1, 48, 63, -1, 40, - 63, -1, 39, 63, -1, 45, 63, 46, -1, 17, - -1, 64, 49, 17, -1, 21, -1, 71, 21, -1, - 71, 21, -1, -1, 71, -1, -1, 71, -1, 4, - 17, -1, 4, 45, 17, 46, -1, 72, -1, 69, - -1, 70, 69, -1, 72, -1, 71, 72, -1, 17, - -1, 20, -1, 73, -1, 22, -1, 24, -1, 50, - -1, 51, -1, 45, -1, 46, -1, 52, -1, 53, - -1, 54, -1, 30, -1, 41, -1, 39, -1, 40, - -1, 48, -1, 47, -1, 42, -1, 43, -1, 38, - -1, 37, -1, 33, -1, 34, -1, 36, -1, 35, - -1, 32, -1, 31, -1, 29, -1, 28, -1, 27, - -1, 26, -1, 55, -1, 49, -1, 56, -1, 25, - -1 -}; - -/* YYRLINE[YYN] -- source line where rule number YYN was defined. */ -static const yytype_uint16 yyrline[] = -{ - 0, 185, 185, 187, 191, 194, 199, 200, 204, 207, - 213, 216, 219, 222, 230, 249, 259, 264, 269, 288, - 303, 306, 309, 330, 334, 343, 348, 349, 352, 355, - 358, 361, 364, 367, 370, 373, 376, 379, 382, 385, - 388, 391, 394, 397, 405, 408, 411, 414, 417, 420, - 426, 431, 439, 440, 444, 450, 451, 454, 456, 463, - 467, 471, 476, 480, 487, 492, 499, 503, 507, 511, - 515, 522, 523, 524, 525, 526, 527, 528, 529, 530, - 531, 532, 533, 534, 535, 536, 537, 538, 539, 540, - 541, 542, 543, 544, 545, 546, 547, 548, 549, 550, - 551, 552 -}; -#endif - -#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE -/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. - First, the terminals, then, starting at YYNTOKENS, nonterminals. */ -static const char *const yytname[] = -{ - "$end", "error", "$undefined", "COMMA_FINAL", "DEFINED", - "ELIF_EXPANDED", "HASH", "HASH_DEFINE_FUNC", "HASH_DEFINE_OBJ", - "HASH_ELIF", "HASH_ELSE", "HASH_ENDIF", "HASH_IF", "HASH_IFDEF", - "HASH_IFNDEF", "HASH_UNDEF", "HASH_VERSION", "IDENTIFIER", "IF_EXPANDED", - "INTEGER", "INTEGER_STRING", "NEWLINE", "OTHER", "PLACEHOLDER", "SPACE", - "PASTE", "OR", "AND", "'|'", "'^'", "'&'", "NOT_EQUAL", "EQUAL", "'<'", - "'>'", "GREATER_OR_EQUAL", "LESS_OR_EQUAL", "RIGHT_SHIFT", "LEFT_SHIFT", - "'+'", "'-'", "'*'", "'/'", "'%'", "UNARY", "'('", "')'", "'!'", "'~'", - "','", "'['", "']'", "'{'", "'}'", "'.'", "';'", "'='", "$accept", - "input", "line", "expanded_line", "control_line", "integer_constant", - "expression", "identifier_list", "text_line", "non_directive", - "replacement_list", "junk", "conditional_token", "conditional_tokens", - "pp_tokens", "preprocessing_token", "operator", 0 -}; -#endif - -# ifdef YYPRINT -/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to - token YYLEX-NUM. */ -static const yytype_uint16 yytoknum[] = -{ - 0, 256, 257, 258, 259, 260, 261, 262, 263, 264, - 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, - 275, 276, 277, 278, 279, 280, 281, 282, 124, 94, - 38, 283, 284, 60, 62, 285, 286, 287, 288, 43, - 45, 42, 47, 37, 289, 40, 41, 33, 126, 44, - 91, 93, 123, 125, 46, 59, 61 -}; -# endif - -/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ -static const yytype_uint8 yyr1[] = -{ - 0, 57, 58, 58, 59, 59, 59, 59, 60, 60, - 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, - 61, 61, 61, 61, 62, 62, 63, 63, 63, 63, - 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, - 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, - 64, 64, 65, 65, 66, 67, 67, 68, 68, 69, - 69, 69, 70, 70, 71, 71, 72, 72, 72, 72, - 72, 73, 73, 73, 73, 73, 73, 73, 73, 73, - 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, - 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, - 73, 73 -}; - -/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ -static const yytype_uint8 yyr2[] = -{ - 0, 2, 0, 2, 1, 1, 1, 2, 3, 3, - 4, 6, 7, 3, 3, 2, 4, 4, 3, 2, - 2, 2, 3, 2, 1, 1, 1, 3, 3, 3, - 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, - 3, 3, 3, 3, 3, 2, 2, 2, 2, 3, - 1, 3, 1, 2, 2, 0, 1, 0, 1, 2, - 4, 1, 1, 2, 1, 2, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1 -}; - -/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state - STATE-NUM when YYTABLE doesn't specify something else to do. Zero - means the default is an error. */ -static const yytype_uint8 yydefact[] = -{ - 2, 0, 1, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 66, 0, 67, 52, 69, - 70, 101, 97, 96, 95, 94, 78, 93, 92, 88, - 89, 91, 90, 87, 86, 80, 81, 79, 84, 85, - 73, 74, 83, 82, 99, 71, 72, 75, 76, 77, - 98, 100, 3, 6, 4, 5, 0, 64, 68, 25, - 24, 0, 0, 0, 0, 0, 26, 0, 23, 7, - 0, 0, 55, 0, 19, 62, 0, 61, 20, 21, - 15, 0, 57, 57, 0, 0, 0, 53, 65, 48, - 47, 0, 45, 46, 9, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 54, 0, 0, 56, 59, 0, 18, - 63, 14, 0, 58, 0, 13, 22, 8, 49, 27, - 28, 29, 30, 31, 32, 33, 37, 36, 34, 35, - 38, 39, 41, 40, 44, 43, 42, 50, 55, 0, - 10, 0, 16, 17, 0, 55, 0, 60, 11, 0, - 51, 12 -}; - -/* YYDEFGOTO[NTERM-NUM]. */ -static const yytype_int16 yydefgoto[] = -{ - -1, 1, 52, 53, 54, 66, 67, 149, 55, 69, - 115, 122, 75, 76, 116, 57, 58 -}; - -/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing - STATE-NUM. */ -#define YYPACT_NINF -147 -static const yytype_int16 yypact[] = -{ - -147, 112, -147, 28, -10, 55, 62, 152, -15, 59, - 192, 85, 86, 87, 51, -147, 28, -147, -147, -147, - -147, -147, -147, -147, -147, -147, -147, -147, -147, -147, - -147, -147, -147, -147, -147, -147, -147, -147, -147, -147, - -147, -147, -147, -147, -147, -147, -147, -147, -147, -147, - -147, -147, -147, -147, -147, -147, 312, -147, -147, -147, - -147, 28, 28, 28, 28, 28, -147, 428, -147, -147, - 352, 63, 392, 17, -147, -147, 232, -147, -147, -147, - -147, 272, 392, 392, 84, 89, 451, -147, -147, -147, - -147, 469, -147, -147, -147, 28, 28, 28, 28, 28, - 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, - 28, 28, 28, -147, 60, 90, 392, -147, 96, -147, - -147, -147, 93, 392, 94, -147, -147, -147, -147, 489, - 505, 520, 534, 547, 558, 558, 18, 18, 18, 18, - 563, 563, 23, 23, -147, -147, -147, -147, 392, 32, - -147, 61, -147, -147, 110, 392, 118, -147, -147, 149, - -147, -147 -}; - -/* YYPGOTO[NTERM-NUM]. */ -static const yytype_int16 yypgoto[] = -{ - -147, -147, -147, -147, -147, 157, -11, -147, -147, -147, - -146, 92, -68, 200, 0, -7, -147 -}; - -/* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If - positive, shift that token. If negative, reduce the rule which - number is the opposite. If zero, do what YYDEFACT says. - If YYTABLE_NINF, syntax error. */ -#define YYTABLE_NINF -1 -static const yytype_uint8 yytable[] = -{ - 77, 56, 154, 77, 70, 86, 78, 15, 120, 159, - 17, 68, 19, 120, 20, 21, 22, 23, 24, 25, - 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, - 36, 37, 38, 39, 117, 40, 41, 42, 43, 44, - 45, 46, 47, 48, 49, 50, 51, 59, 60, 88, - 89, 90, 91, 92, 93, 106, 107, 108, 109, 110, - 111, 112, 118, 88, 110, 111, 112, 61, 62, 77, - 59, 60, 71, 63, 77, 64, 65, 147, 155, 72, - 79, 156, 123, 123, 129, 130, 131, 132, 133, 134, - 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, - 145, 146, 82, 83, 84, 125, 148, 157, 114, 88, - 126, 150, 2, 151, 152, 153, 88, 3, 4, 5, - 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, - 16, 158, 17, 18, 19, 160, 20, 21, 22, 23, - 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, - 34, 35, 36, 37, 38, 39, 73, 40, 41, 42, - 43, 44, 45, 46, 47, 48, 49, 50, 51, 15, - 161, 85, 17, 74, 19, 124, 20, 21, 22, 23, - 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, - 34, 35, 36, 37, 38, 39, 73, 40, 41, 42, - 43, 44, 45, 46, 47, 48, 49, 50, 51, 15, - 81, 0, 17, 80, 19, 0, 20, 21, 22, 23, - 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, - 34, 35, 36, 37, 38, 39, 73, 40, 41, 42, - 43, 44, 45, 46, 47, 48, 49, 50, 51, 15, - 0, 0, 17, 119, 19, 0, 20, 21, 22, 23, - 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, - 34, 35, 36, 37, 38, 39, 73, 40, 41, 42, - 43, 44, 45, 46, 47, 48, 49, 50, 51, 15, - 0, 0, 17, 121, 19, 0, 20, 21, 22, 23, - 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, - 34, 35, 36, 37, 38, 39, 0, 40, 41, 42, - 43, 44, 45, 46, 47, 48, 49, 50, 51, 15, - 0, 0, 17, 87, 19, 0, 20, 21, 22, 23, - 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, - 34, 35, 36, 37, 38, 39, 0, 40, 41, 42, - 43, 44, 45, 46, 47, 48, 49, 50, 51, 15, - 0, 0, 17, 113, 19, 0, 20, 21, 22, 23, - 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, - 34, 35, 36, 37, 38, 39, 0, 40, 41, 42, - 43, 44, 45, 46, 47, 48, 49, 50, 51, 15, - 0, 0, 17, 0, 19, 0, 20, 21, 22, 23, - 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, - 34, 35, 36, 37, 38, 39, 0, 40, 41, 42, - 43, 44, 45, 46, 47, 48, 49, 50, 51, 94, - 0, 0, 0, 0, 95, 96, 97, 98, 99, 100, - 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, - 111, 112, 127, 0, 0, 0, 0, 95, 96, 97, - 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, - 108, 109, 110, 111, 112, 95, 96, 97, 98, 99, - 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, - 110, 111, 112, 0, 0, 128, 96, 97, 98, 99, - 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, - 110, 111, 112, 97, 98, 99, 100, 101, 102, 103, - 104, 105, 106, 107, 108, 109, 110, 111, 112, 98, - 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, - 109, 110, 111, 112, 99, 100, 101, 102, 103, 104, - 105, 106, 107, 108, 109, 110, 111, 112, 100, 101, - 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, - 112, 102, 103, 104, 105, 106, 107, 108, 109, 110, - 111, 112, 108, 109, 110, 111, 112 -}; - -static const yytype_int16 yycheck[] = -{ - 7, 1, 148, 10, 4, 16, 21, 17, 76, 155, - 20, 21, 22, 81, 24, 25, 26, 27, 28, 29, - 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, - 40, 41, 42, 43, 17, 45, 46, 47, 48, 49, - 50, 51, 52, 53, 54, 55, 56, 19, 20, 56, - 61, 62, 63, 64, 65, 37, 38, 39, 40, 41, - 42, 43, 45, 70, 41, 42, 43, 39, 40, 76, - 19, 20, 17, 45, 81, 47, 48, 17, 46, 17, - 21, 49, 82, 83, 95, 96, 97, 98, 99, 100, - 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, - 111, 112, 17, 17, 17, 21, 46, 46, 45, 116, - 21, 21, 0, 17, 21, 21, 123, 5, 6, 7, - 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, - 18, 21, 20, 21, 22, 17, 24, 25, 26, 27, - 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, - 38, 39, 40, 41, 42, 43, 4, 45, 46, 47, - 48, 49, 50, 51, 52, 53, 54, 55, 56, 17, - 21, 14, 20, 21, 22, 83, 24, 25, 26, 27, - 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, - 38, 39, 40, 41, 42, 43, 4, 45, 46, 47, - 48, 49, 50, 51, 52, 53, 54, 55, 56, 17, - 10, -1, 20, 21, 22, -1, 24, 25, 26, 27, - 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, - 38, 39, 40, 41, 42, 43, 4, 45, 46, 47, - 48, 49, 50, 51, 52, 53, 54, 55, 56, 17, - -1, -1, 20, 21, 22, -1, 24, 25, 26, 27, - 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, - 38, 39, 40, 41, 42, 43, 4, 45, 46, 47, - 48, 49, 50, 51, 52, 53, 54, 55, 56, 17, - -1, -1, 20, 21, 22, -1, 24, 25, 26, 27, - 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, - 38, 39, 40, 41, 42, 43, -1, 45, 46, 47, - 48, 49, 50, 51, 52, 53, 54, 55, 56, 17, - -1, -1, 20, 21, 22, -1, 24, 25, 26, 27, - 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, - 38, 39, 40, 41, 42, 43, -1, 45, 46, 47, - 48, 49, 50, 51, 52, 53, 54, 55, 56, 17, - -1, -1, 20, 21, 22, -1, 24, 25, 26, 27, - 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, - 38, 39, 40, 41, 42, 43, -1, 45, 46, 47, - 48, 49, 50, 51, 52, 53, 54, 55, 56, 17, - -1, -1, 20, -1, 22, -1, 24, 25, 26, 27, - 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, - 38, 39, 40, 41, 42, 43, -1, 45, 46, 47, - 48, 49, 50, 51, 52, 53, 54, 55, 56, 21, - -1, -1, -1, -1, 26, 27, 28, 29, 30, 31, - 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, - 42, 43, 21, -1, -1, -1, -1, 26, 27, 28, - 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, - 39, 40, 41, 42, 43, 26, 27, 28, 29, 30, - 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, - 41, 42, 43, -1, -1, 46, 27, 28, 29, 30, - 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, - 41, 42, 43, 28, 29, 30, 31, 32, 33, 34, - 35, 36, 37, 38, 39, 40, 41, 42, 43, 29, - 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, - 40, 41, 42, 43, 30, 31, 32, 33, 34, 35, - 36, 37, 38, 39, 40, 41, 42, 43, 31, 32, - 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, - 43, 33, 34, 35, 36, 37, 38, 39, 40, 41, - 42, 43, 39, 40, 41, 42, 43 -}; - -/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing - symbol of state STATE-NUM. */ -static const yytype_uint8 yystos[] = -{ - 0, 58, 0, 5, 6, 7, 8, 9, 10, 11, - 12, 13, 14, 15, 16, 17, 18, 20, 21, 22, - 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, - 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, - 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, - 55, 56, 59, 60, 61, 65, 71, 72, 73, 19, - 20, 39, 40, 45, 47, 48, 62, 63, 21, 66, - 71, 17, 17, 4, 21, 69, 70, 72, 21, 21, - 21, 70, 17, 17, 17, 62, 63, 21, 72, 63, - 63, 63, 63, 63, 21, 26, 27, 28, 29, 30, - 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, - 41, 42, 43, 21, 45, 67, 71, 17, 45, 21, - 69, 21, 68, 71, 68, 21, 21, 21, 46, 63, - 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, - 63, 63, 63, 63, 63, 63, 63, 17, 46, 64, - 21, 17, 21, 21, 67, 46, 49, 46, 21, 67, - 17, 21 -}; - -#define yyerrok (yyerrstatus = 0) -#define yyclearin (yychar = YYEMPTY) -#define YYEMPTY (-2) -#define YYEOF 0 - -#define YYACCEPT goto yyacceptlab -#define YYABORT goto yyabortlab -#define YYERROR goto yyerrorlab - - -/* Like YYERROR except do call yyerror. This remains here temporarily - to ease the transition to the new meaning of YYERROR, for GCC. - Once GCC version 2 has supplanted version 1, this can go. However, - YYFAIL appears to be in use. Nevertheless, it is formally deprecated - in Bison 2.4.2's NEWS entry, where a plan to phase it out is - discussed. */ - -#define YYFAIL goto yyerrlab -#if defined YYFAIL - /* This is here to suppress warnings from the GCC cpp's - -Wunused-macros. Normally we don't worry about that warning, but - some users do, and we want to make it easy for users to remove - YYFAIL uses, which will produce warnings from Bison 2.5. */ -#endif - -#define YYRECOVERING() (!!yyerrstatus) - -#define YYBACKUP(Token, Value) \ -do \ - if (yychar == YYEMPTY && yylen == 1) \ - { \ - yychar = (Token); \ - yylval = (Value); \ - yytoken = YYTRANSLATE (yychar); \ - YYPOPSTACK (1); \ - goto yybackup; \ - } \ - else \ - { \ - yyerror (&yylloc, parser, YY_("syntax error: cannot back up")); \ - YYERROR; \ - } \ -while (YYID (0)) - - -#define YYTERROR 1 -#define YYERRCODE 256 - - -/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N]. - If N is 0, then set CURRENT to the empty location which ends - the previous symbol: RHS[0] (always defined). */ - -#define YYRHSLOC(Rhs, K) ((Rhs)[K]) -#ifndef YYLLOC_DEFAULT -# define YYLLOC_DEFAULT(Current, Rhs, N) \ - do \ - if (YYID (N)) \ - { \ - (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \ - (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \ - (Current).last_line = YYRHSLOC (Rhs, N).last_line; \ - (Current).last_column = YYRHSLOC (Rhs, N).last_column; \ - } \ - else \ - { \ - (Current).first_line = (Current).last_line = \ - YYRHSLOC (Rhs, 0).last_line; \ - (Current).first_column = (Current).last_column = \ - YYRHSLOC (Rhs, 0).last_column; \ - } \ - while (YYID (0)) -#endif - - -/* YY_LOCATION_PRINT -- Print the location on the stream. - This macro was not mandated originally: define only if we know - we won't break user code: when these are the locations we know. */ - -#ifndef YY_LOCATION_PRINT -# if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL -# define YY_LOCATION_PRINT(File, Loc) \ - fprintf (File, "%d.%d-%d.%d", \ - (Loc).first_line, (Loc).first_column, \ - (Loc).last_line, (Loc).last_column) -# else -# define YY_LOCATION_PRINT(File, Loc) ((void) 0) -# endif -#endif - - -/* YYLEX -- calling `yylex' with the right arguments. */ - -#ifdef YYLEX_PARAM -# define YYLEX yylex (&yylval, &yylloc, YYLEX_PARAM) -#else -# define YYLEX yylex (&yylval, &yylloc, parser) -#endif - -/* Enable debugging if requested. */ -#if YYDEBUG - -# ifndef YYFPRINTF -# include /* INFRINGES ON USER NAME SPACE */ -# define YYFPRINTF fprintf -# endif - -# define YYDPRINTF(Args) \ -do { \ - if (yydebug) \ - YYFPRINTF Args; \ -} while (YYID (0)) - -# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \ -do { \ - if (yydebug) \ - { \ - YYFPRINTF (stderr, "%s ", Title); \ - yy_symbol_print (stderr, \ - Type, Value, Location, parser); \ - YYFPRINTF (stderr, "\n"); \ - } \ -} while (YYID (0)) - - -/*--------------------------------. -| Print this symbol on YYOUTPUT. | -`--------------------------------*/ - -/*ARGSUSED*/ -#if (defined __STDC__ || defined __C99__FUNC__ \ - || defined __cplusplus || defined _MSC_VER) -static void -yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, YYLTYPE const * const yylocationp, glcpp_parser_t *parser) -#else -static void -yy_symbol_value_print (yyoutput, yytype, yyvaluep, yylocationp, parser) - FILE *yyoutput; - int yytype; - YYSTYPE const * const yyvaluep; - YYLTYPE const * const yylocationp; - glcpp_parser_t *parser; -#endif -{ - if (!yyvaluep) - return; - YYUSE (yylocationp); - YYUSE (parser); -# ifdef YYPRINT - if (yytype < YYNTOKENS) - YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep); -# else - YYUSE (yyoutput); -# endif - switch (yytype) - { - default: - break; - } -} - - -/*--------------------------------. -| Print this symbol on YYOUTPUT. | -`--------------------------------*/ - -#if (defined __STDC__ || defined __C99__FUNC__ \ - || defined __cplusplus || defined _MSC_VER) -static void -yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, YYLTYPE const * const yylocationp, glcpp_parser_t *parser) -#else -static void -yy_symbol_print (yyoutput, yytype, yyvaluep, yylocationp, parser) - FILE *yyoutput; - int yytype; - YYSTYPE const * const yyvaluep; - YYLTYPE const * const yylocationp; - glcpp_parser_t *parser; -#endif -{ - if (yytype < YYNTOKENS) - YYFPRINTF (yyoutput, "token %s (", yytname[yytype]); - else - YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]); - - YY_LOCATION_PRINT (yyoutput, *yylocationp); - YYFPRINTF (yyoutput, ": "); - yy_symbol_value_print (yyoutput, yytype, yyvaluep, yylocationp, parser); - YYFPRINTF (yyoutput, ")"); -} - -/*------------------------------------------------------------------. -| yy_stack_print -- Print the state stack from its BOTTOM up to its | -| TOP (included). | -`------------------------------------------------------------------*/ - -#if (defined __STDC__ || defined __C99__FUNC__ \ - || defined __cplusplus || defined _MSC_VER) -static void -yy_stack_print (yytype_int16 *yybottom, yytype_int16 *yytop) -#else -static void -yy_stack_print (yybottom, yytop) - yytype_int16 *yybottom; - yytype_int16 *yytop; -#endif -{ - YYFPRINTF (stderr, "Stack now"); - for (; yybottom <= yytop; yybottom++) - { - int yybot = *yybottom; - YYFPRINTF (stderr, " %d", yybot); - } - YYFPRINTF (stderr, "\n"); -} - -# define YY_STACK_PRINT(Bottom, Top) \ -do { \ - if (yydebug) \ - yy_stack_print ((Bottom), (Top)); \ -} while (YYID (0)) - - -/*------------------------------------------------. -| Report that the YYRULE is going to be reduced. | -`------------------------------------------------*/ - -#if (defined __STDC__ || defined __C99__FUNC__ \ - || defined __cplusplus || defined _MSC_VER) -static void -yy_reduce_print (YYSTYPE *yyvsp, YYLTYPE *yylsp, int yyrule, glcpp_parser_t *parser) -#else -static void -yy_reduce_print (yyvsp, yylsp, yyrule, parser) - YYSTYPE *yyvsp; - YYLTYPE *yylsp; - int yyrule; - glcpp_parser_t *parser; -#endif -{ - int yynrhs = yyr2[yyrule]; - int yyi; - unsigned long int yylno = yyrline[yyrule]; - YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n", - yyrule - 1, yylno); - /* The symbols being reduced. */ - for (yyi = 0; yyi < yynrhs; yyi++) - { - YYFPRINTF (stderr, " $%d = ", yyi + 1); - yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi], - &(yyvsp[(yyi + 1) - (yynrhs)]) - , &(yylsp[(yyi + 1) - (yynrhs)]) , parser); - YYFPRINTF (stderr, "\n"); - } -} - -# define YY_REDUCE_PRINT(Rule) \ -do { \ - if (yydebug) \ - yy_reduce_print (yyvsp, yylsp, Rule, parser); \ -} while (YYID (0)) - -/* Nonzero means print parse trace. It is left uninitialized so that - multiple parsers can coexist. */ -int yydebug; -#else /* !YYDEBUG */ -# define YYDPRINTF(Args) -# define YY_SYMBOL_PRINT(Title, Type, Value, Location) -# define YY_STACK_PRINT(Bottom, Top) -# define YY_REDUCE_PRINT(Rule) -#endif /* !YYDEBUG */ - - -/* YYINITDEPTH -- initial size of the parser's stacks. */ -#ifndef YYINITDEPTH -# define YYINITDEPTH 200 -#endif - -/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only - if the built-in stack extension method is used). - - Do not make this value too large; the results are undefined if - YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH) - evaluated with infinite-precision integer arithmetic. */ - -#ifndef YYMAXDEPTH -# define YYMAXDEPTH 10000 -#endif - - - -#if YYERROR_VERBOSE - -# ifndef yystrlen -# if defined __GLIBC__ && defined _STRING_H -# define yystrlen strlen -# else -/* Return the length of YYSTR. */ -#if (defined __STDC__ || defined __C99__FUNC__ \ - || defined __cplusplus || defined _MSC_VER) -static YYSIZE_T -yystrlen (const char *yystr) -#else -static YYSIZE_T -yystrlen (yystr) - const char *yystr; -#endif -{ - YYSIZE_T yylen; - for (yylen = 0; yystr[yylen]; yylen++) - continue; - return yylen; -} -# endif -# endif - -# ifndef yystpcpy -# if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE -# define yystpcpy stpcpy -# else -/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in - YYDEST. */ -#if (defined __STDC__ || defined __C99__FUNC__ \ - || defined __cplusplus || defined _MSC_VER) -static char * -yystpcpy (char *yydest, const char *yysrc) -#else -static char * -yystpcpy (yydest, yysrc) - char *yydest; - const char *yysrc; -#endif -{ - char *yyd = yydest; - const char *yys = yysrc; - - while ((*yyd++ = *yys++) != '\0') - continue; - - return yyd - 1; -} -# endif -# endif - -# ifndef yytnamerr -/* Copy to YYRES the contents of YYSTR after stripping away unnecessary - quotes and backslashes, so that it's suitable for yyerror. The - heuristic is that double-quoting is unnecessary unless the string - contains an apostrophe, a comma, or backslash (other than - backslash-backslash). YYSTR is taken from yytname. If YYRES is - null, do not copy; instead, return the length of what the result - would have been. */ -static YYSIZE_T -yytnamerr (char *yyres, const char *yystr) -{ - if (*yystr == '"') - { - YYSIZE_T yyn = 0; - char const *yyp = yystr; - - for (;;) - switch (*++yyp) - { - case '\'': - case ',': - goto do_not_strip_quotes; - - case '\\': - if (*++yyp != '\\') - goto do_not_strip_quotes; - /* Fall through. */ - default: - if (yyres) - yyres[yyn] = *yyp; - yyn++; - break; - - case '"': - if (yyres) - yyres[yyn] = '\0'; - return yyn; - } - do_not_strip_quotes: ; - } - - if (! yyres) - return yystrlen (yystr); - - return yystpcpy (yyres, yystr) - yyres; -} -# endif - -/* Copy into YYRESULT an error message about the unexpected token - YYCHAR while in state YYSTATE. Return the number of bytes copied, - including the terminating null byte. If YYRESULT is null, do not - copy anything; just return the number of bytes that would be - copied. As a special case, return 0 if an ordinary "syntax error" - message will do. Return YYSIZE_MAXIMUM if overflow occurs during - size calculation. */ -static YYSIZE_T -yysyntax_error (char *yyresult, int yystate, int yychar) -{ - int yyn = yypact[yystate]; - - if (! (YYPACT_NINF < yyn && yyn <= YYLAST)) - return 0; - else - { - int yytype = YYTRANSLATE (yychar); - YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]); - YYSIZE_T yysize = yysize0; - YYSIZE_T yysize1; - int yysize_overflow = 0; - enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 }; - char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM]; - int yyx; - -# if 0 - /* This is so xgettext sees the translatable formats that are - constructed on the fly. */ - YY_("syntax error, unexpected %s"); - YY_("syntax error, unexpected %s, expecting %s"); - YY_("syntax error, unexpected %s, expecting %s or %s"); - YY_("syntax error, unexpected %s, expecting %s or %s or %s"); - YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s"); -# endif - char *yyfmt; - char const *yyf; - static char const yyunexpected[] = "syntax error, unexpected %s"; - static char const yyexpecting[] = ", expecting %s"; - static char const yyor[] = " or %s"; - char yyformat[sizeof yyunexpected - + sizeof yyexpecting - 1 - + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2) - * (sizeof yyor - 1))]; - char const *yyprefix = yyexpecting; - - /* Start YYX at -YYN if negative to avoid negative indexes in - YYCHECK. */ - int yyxbegin = yyn < 0 ? -yyn : 0; - - /* Stay within bounds of both yycheck and yytname. */ - int yychecklim = YYLAST - yyn + 1; - int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS; - int yycount = 1; - - yyarg[0] = yytname[yytype]; - yyfmt = yystpcpy (yyformat, yyunexpected); - - for (yyx = yyxbegin; yyx < yyxend; ++yyx) - if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) - { - if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM) - { - yycount = 1; - yysize = yysize0; - yyformat[sizeof yyunexpected - 1] = '\0'; - break; - } - yyarg[yycount++] = yytname[yyx]; - yysize1 = yysize + yytnamerr (0, yytname[yyx]); - yysize_overflow |= (yysize1 < yysize); - yysize = yysize1; - yyfmt = yystpcpy (yyfmt, yyprefix); - yyprefix = yyor; - } - - yyf = YY_(yyformat); - yysize1 = yysize + yystrlen (yyf); - yysize_overflow |= (yysize1 < yysize); - yysize = yysize1; - - if (yysize_overflow) - return YYSIZE_MAXIMUM; - - if (yyresult) - { - /* Avoid sprintf, as that infringes on the user's name space. - Don't have undefined behavior even if the translation - produced a string with the wrong number of "%s"s. */ - char *yyp = yyresult; - int yyi = 0; - while ((*yyp = *yyf) != '\0') - { - if (*yyp == '%' && yyf[1] == 's' && yyi < yycount) - { - yyp += yytnamerr (yyp, yyarg[yyi++]); - yyf += 2; - } - else - { - yyp++; - yyf++; - } - } - } - return yysize; - } -} -#endif /* YYERROR_VERBOSE */ - - -/*-----------------------------------------------. -| Release the memory associated to this symbol. | -`-----------------------------------------------*/ - -/*ARGSUSED*/ -#if (defined __STDC__ || defined __C99__FUNC__ \ - || defined __cplusplus || defined _MSC_VER) -static void -yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep, YYLTYPE *yylocationp, glcpp_parser_t *parser) -#else -static void -yydestruct (yymsg, yytype, yyvaluep, yylocationp, parser) - const char *yymsg; - int yytype; - YYSTYPE *yyvaluep; - YYLTYPE *yylocationp; - glcpp_parser_t *parser; -#endif -{ - YYUSE (yyvaluep); - YYUSE (yylocationp); - YYUSE (parser); - - if (!yymsg) - yymsg = "Deleting"; - YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp); - - switch (yytype) - { - - default: - break; - } -} - -/* Prevent warnings from -Wmissing-prototypes. */ -#ifdef YYPARSE_PARAM -#if defined __STDC__ || defined __cplusplus -int yyparse (void *YYPARSE_PARAM); -#else -int yyparse (); -#endif -#else /* ! YYPARSE_PARAM */ -#if defined __STDC__ || defined __cplusplus -int yyparse (glcpp_parser_t *parser); -#else -int yyparse (); -#endif -#endif /* ! YYPARSE_PARAM */ - - - - - -/*-------------------------. -| yyparse or yypush_parse. | -`-------------------------*/ - -#ifdef YYPARSE_PARAM -#if (defined __STDC__ || defined __C99__FUNC__ \ - || defined __cplusplus || defined _MSC_VER) -int -yyparse (void *YYPARSE_PARAM) -#else -int -yyparse (YYPARSE_PARAM) - void *YYPARSE_PARAM; -#endif -#else /* ! YYPARSE_PARAM */ -#if (defined __STDC__ || defined __C99__FUNC__ \ - || defined __cplusplus || defined _MSC_VER) -int -yyparse (glcpp_parser_t *parser) -#else -int -yyparse (parser) - glcpp_parser_t *parser; -#endif -#endif -{ -/* The lookahead symbol. */ -int yychar; - -/* The semantic value of the lookahead symbol. */ -YYSTYPE yylval; - -/* Location data for the lookahead symbol. */ -YYLTYPE yylloc; - - /* Number of syntax errors so far. */ - int yynerrs; - - int yystate; - /* Number of tokens to shift before error messages enabled. */ - int yyerrstatus; - - /* The stacks and their tools: - `yyss': related to states. - `yyvs': related to semantic values. - `yyls': related to locations. - - Refer to the stacks thru separate pointers, to allow yyoverflow - to reallocate them elsewhere. */ - - /* The state stack. */ - yytype_int16 yyssa[YYINITDEPTH]; - yytype_int16 *yyss; - yytype_int16 *yyssp; - - /* The semantic value stack. */ - YYSTYPE yyvsa[YYINITDEPTH]; - YYSTYPE *yyvs; - YYSTYPE *yyvsp; - - /* The location stack. */ - YYLTYPE yylsa[YYINITDEPTH]; - YYLTYPE *yyls; - YYLTYPE *yylsp; - - /* The locations where the error started and ended. */ - YYLTYPE yyerror_range[3]; - - YYSIZE_T yystacksize; - - int yyn; - int yyresult; - /* Lookahead token as an internal (translated) token number. */ - int yytoken; - /* The variables used to return semantic value and location from the - action routines. */ - YYSTYPE yyval; - YYLTYPE yyloc; - -#if YYERROR_VERBOSE - /* Buffer for error messages, and its allocated size. */ - char yymsgbuf[128]; - char *yymsg = yymsgbuf; - YYSIZE_T yymsg_alloc = sizeof yymsgbuf; -#endif - -#define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N), yylsp -= (N)) - - /* The number of symbols on the RHS of the reduced rule. - Keep to zero when no symbol should be popped. */ - int yylen = 0; - - yytoken = 0; - yyss = yyssa; - yyvs = yyvsa; - yyls = yylsa; - yystacksize = YYINITDEPTH; - - YYDPRINTF ((stderr, "Starting parse\n")); - - yystate = 0; - yyerrstatus = 0; - yynerrs = 0; - yychar = YYEMPTY; /* Cause a token to be read. */ - - /* Initialize stack pointers. - Waste one element of value and location stack - so that they stay on the same level as the state stack. - The wasted elements are never initialized. */ - yyssp = yyss; - yyvsp = yyvs; - yylsp = yyls; - -#if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL - /* Initialize the default location before parsing starts. */ - yylloc.first_line = yylloc.last_line = 1; - yylloc.first_column = yylloc.last_column = 1; -#endif - -/* User initialization code. */ - -/* Line 1251 of yacc.c */ -#line 152 "glcpp/glcpp-parse.y" -{ - yylloc.first_line = 1; - yylloc.first_column = 1; - yylloc.last_line = 1; - yylloc.last_column = 1; - yylloc.source = 0; -} - -/* Line 1251 of yacc.c */ -#line 1622 "glcpp/glcpp-parse.c" - yylsp[0] = yylloc; - - goto yysetstate; - -/*------------------------------------------------------------. -| yynewstate -- Push a new state, which is found in yystate. | -`------------------------------------------------------------*/ - yynewstate: - /* In all cases, when you get here, the value and location stacks - have just been pushed. So pushing a state here evens the stacks. */ - yyssp++; - - yysetstate: - *yyssp = yystate; - - if (yyss + yystacksize - 1 <= yyssp) - { - /* Get the current used size of the three stacks, in elements. */ - YYSIZE_T yysize = yyssp - yyss + 1; - -#ifdef yyoverflow - { - /* Give user a chance to reallocate the stack. Use copies of - these so that the &'s don't force the real ones into - memory. */ - YYSTYPE *yyvs1 = yyvs; - yytype_int16 *yyss1 = yyss; - YYLTYPE *yyls1 = yyls; - - /* Each stack pointer address is followed by the size of the - data in use in that stack, in bytes. This used to be a - conditional around just the two extra args, but that might - be undefined if yyoverflow is a macro. */ - yyoverflow (YY_("memory exhausted"), - &yyss1, yysize * sizeof (*yyssp), - &yyvs1, yysize * sizeof (*yyvsp), - &yyls1, yysize * sizeof (*yylsp), - &yystacksize); - - yyls = yyls1; - yyss = yyss1; - yyvs = yyvs1; - } -#else /* no yyoverflow */ -# ifndef YYSTACK_RELOCATE - goto yyexhaustedlab; -# else - /* Extend the stack our own way. */ - if (YYMAXDEPTH <= yystacksize) - goto yyexhaustedlab; - yystacksize *= 2; - if (YYMAXDEPTH < yystacksize) - yystacksize = YYMAXDEPTH; - - { - yytype_int16 *yyss1 = yyss; - union yyalloc *yyptr = - (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize)); - if (! yyptr) - goto yyexhaustedlab; - YYSTACK_RELOCATE (yyss_alloc, yyss); - YYSTACK_RELOCATE (yyvs_alloc, yyvs); - YYSTACK_RELOCATE (yyls_alloc, yyls); -# undef YYSTACK_RELOCATE - if (yyss1 != yyssa) - YYSTACK_FREE (yyss1); - } -# endif -#endif /* no yyoverflow */ - - yyssp = yyss + yysize - 1; - yyvsp = yyvs + yysize - 1; - yylsp = yyls + yysize - 1; - - YYDPRINTF ((stderr, "Stack size increased to %lu\n", - (unsigned long int) yystacksize)); - - if (yyss + yystacksize - 1 <= yyssp) - YYABORT; - } - - YYDPRINTF ((stderr, "Entering state %d\n", yystate)); - - if (yystate == YYFINAL) - YYACCEPT; - - goto yybackup; - -/*-----------. -| yybackup. | -`-----------*/ -yybackup: - - /* Do appropriate processing given the current state. Read a - lookahead token if we need one and don't already have one. */ - - /* First try to decide what to do without reference to lookahead token. */ - yyn = yypact[yystate]; - if (yyn == YYPACT_NINF) - goto yydefault; - - /* Not known => get a lookahead token if don't already have one. */ - - /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */ - if (yychar == YYEMPTY) - { - YYDPRINTF ((stderr, "Reading a token: ")); - yychar = YYLEX; - } - - if (yychar <= YYEOF) - { - yychar = yytoken = YYEOF; - YYDPRINTF ((stderr, "Now at end of input.\n")); - } - else - { - yytoken = YYTRANSLATE (yychar); - YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc); - } - - /* If the proper action on seeing token YYTOKEN is to reduce or to - detect an error, take that action. */ - yyn += yytoken; - if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken) - goto yydefault; - yyn = yytable[yyn]; - if (yyn <= 0) - { - if (yyn == 0 || yyn == YYTABLE_NINF) - goto yyerrlab; - yyn = -yyn; - goto yyreduce; - } - - /* Count tokens shifted since error; after three, turn off error - status. */ - if (yyerrstatus) - yyerrstatus--; - - /* Shift the lookahead token. */ - YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc); - - /* Discard the shifted token. */ - yychar = YYEMPTY; - - yystate = yyn; - *++yyvsp = yylval; - *++yylsp = yylloc; - goto yynewstate; - - -/*-----------------------------------------------------------. -| yydefault -- do the default action for the current state. | -`-----------------------------------------------------------*/ -yydefault: - yyn = yydefact[yystate]; - if (yyn == 0) - goto yyerrlab; - goto yyreduce; - - -/*-----------------------------. -| yyreduce -- Do a reduction. | -`-----------------------------*/ -yyreduce: - /* yyn is the number of a rule to reduce with. */ - yylen = yyr2[yyn]; - - /* If YYLEN is nonzero, implement the default value of the action: - `$$ = $1'. - - Otherwise, the following line sets YYVAL to garbage. - This behavior is undocumented and Bison - users should not rely upon it. Assigning to YYVAL - unconditionally makes the parser a bit smaller, and it avoids a - GCC warning that YYVAL may be used uninitialized. */ - yyval = yyvsp[1-yylen]; - - /* Default location. */ - YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen); - YY_REDUCE_PRINT (yyn); - switch (yyn) - { - case 4: - -/* Line 1464 of yacc.c */ -#line 191 "glcpp/glcpp-parse.y" - { - glcpp_print(parser->output, "\n"); - ;} - break; - - case 5: - -/* Line 1464 of yacc.c */ -#line 194 "glcpp/glcpp-parse.y" - { - _glcpp_parser_print_expanded_token_list (parser, (yyvsp[(1) - (1)].token_list)); - glcpp_print(parser->output, "\n"); - talloc_free ((yyvsp[(1) - (1)].token_list)); - ;} - break; - - case 8: - -/* Line 1464 of yacc.c */ -#line 204 "glcpp/glcpp-parse.y" - { - _glcpp_parser_skip_stack_push_if (parser, & (yylsp[(1) - (3)]), (yyvsp[(2) - (3)].ival)); - ;} - break; - - case 9: - -/* Line 1464 of yacc.c */ -#line 207 "glcpp/glcpp-parse.y" - { - _glcpp_parser_skip_stack_change_if (parser, & (yylsp[(1) - (3)]), "elif", (yyvsp[(2) - (3)].ival)); - ;} - break; - - case 10: - -/* Line 1464 of yacc.c */ -#line 213 "glcpp/glcpp-parse.y" - { - _define_object_macro (parser, & (yylsp[(2) - (4)]), (yyvsp[(2) - (4)].str), (yyvsp[(3) - (4)].token_list)); - ;} - break; - - case 11: - -/* Line 1464 of yacc.c */ -#line 216 "glcpp/glcpp-parse.y" - { - _define_function_macro (parser, & (yylsp[(2) - (6)]), (yyvsp[(2) - (6)].str), NULL, (yyvsp[(5) - (6)].token_list)); - ;} - break; - - case 12: - -/* Line 1464 of yacc.c */ -#line 219 "glcpp/glcpp-parse.y" - { - _define_function_macro (parser, & (yylsp[(2) - (7)]), (yyvsp[(2) - (7)].str), (yyvsp[(4) - (7)].string_list), (yyvsp[(6) - (7)].token_list)); - ;} - break; - - case 13: - -/* Line 1464 of yacc.c */ -#line 222 "glcpp/glcpp-parse.y" - { - macro_t *macro = hash_table_find (parser->defines, (yyvsp[(2) - (3)].str)); - if (macro) { - hash_table_remove (parser->defines, (yyvsp[(2) - (3)].str)); - talloc_free (macro); - } - talloc_free ((yyvsp[(2) - (3)].str)); - ;} - break; - - case 14: - -/* Line 1464 of yacc.c */ -#line 230 "glcpp/glcpp-parse.y" - { - /* Be careful to only evaluate the 'if' expression if - * we are not skipping. When we are skipping, we - * simply push a new 0-valued 'if' onto the skip - * stack. - * - * This avoids generating diagnostics for invalid - * expressions that are being skipped. */ - if (parser->skip_stack == NULL || - parser->skip_stack->type == SKIP_NO_SKIP) - { - _glcpp_parser_expand_if (parser, IF_EXPANDED, (yyvsp[(2) - (3)].token_list)); - } - else - { - _glcpp_parser_skip_stack_push_if (parser, & (yylsp[(1) - (3)]), 0); - parser->skip_stack->type = SKIP_TO_ENDIF; - } - ;} - break; - - case 15: - -/* Line 1464 of yacc.c */ -#line 249 "glcpp/glcpp-parse.y" - { - /* #if without an expression is only an error if we - * are not skipping */ - if (parser->skip_stack == NULL || - parser->skip_stack->type == SKIP_NO_SKIP) - { - glcpp_error(& (yylsp[(1) - (2)]), parser, "#if with no expression"); - } - _glcpp_parser_skip_stack_push_if (parser, & (yylsp[(1) - (2)]), 0); - ;} - break; - - case 16: - -/* Line 1464 of yacc.c */ -#line 259 "glcpp/glcpp-parse.y" - { - macro_t *macro = hash_table_find (parser->defines, (yyvsp[(2) - (4)].str)); - talloc_free ((yyvsp[(2) - (4)].str)); - _glcpp_parser_skip_stack_push_if (parser, & (yylsp[(1) - (4)]), macro != NULL); - ;} - break; - - case 17: - -/* Line 1464 of yacc.c */ -#line 264 "glcpp/glcpp-parse.y" - { - macro_t *macro = hash_table_find (parser->defines, (yyvsp[(2) - (4)].str)); - talloc_free ((yyvsp[(2) - (4)].str)); - _glcpp_parser_skip_stack_push_if (parser, & (yylsp[(1) - (4)]), macro == NULL); - ;} - break; - - case 18: - -/* Line 1464 of yacc.c */ -#line 269 "glcpp/glcpp-parse.y" - { - /* Be careful to only evaluate the 'elif' expression - * if we are not skipping. When we are skipping, we - * simply change to a 0-valued 'elif' on the skip - * stack. - * - * This avoids generating diagnostics for invalid - * expressions that are being skipped. */ - if (parser->skip_stack && - parser->skip_stack->type == SKIP_TO_ELSE) - { - _glcpp_parser_expand_if (parser, ELIF_EXPANDED, (yyvsp[(2) - (3)].token_list)); - } - else - { - _glcpp_parser_skip_stack_change_if (parser, & (yylsp[(1) - (3)]), - "elif", 0); - } - ;} - break; - - case 19: - -/* Line 1464 of yacc.c */ -#line 288 "glcpp/glcpp-parse.y" - { - /* #elif without an expression is an error unless we - * are skipping. */ - if (parser->skip_stack && - parser->skip_stack->type == SKIP_TO_ELSE) - { - glcpp_error(& (yylsp[(1) - (2)]), parser, "#elif with no expression"); - } - else - { - _glcpp_parser_skip_stack_change_if (parser, & (yylsp[(1) - (2)]), - "elif", 0); - glcpp_warning(& (yylsp[(1) - (2)]), parser, "ignoring illegal #elif without expression"); - } - ;} - break; - - case 20: - -/* Line 1464 of yacc.c */ -#line 303 "glcpp/glcpp-parse.y" - { - _glcpp_parser_skip_stack_change_if (parser, & (yylsp[(1) - (2)]), "else", 1); - ;} - break; - - case 21: - -/* Line 1464 of yacc.c */ -#line 306 "glcpp/glcpp-parse.y" - { - _glcpp_parser_skip_stack_pop (parser, & (yylsp[(1) - (2)])); - ;} - break; - - case 22: - -/* Line 1464 of yacc.c */ -#line 309 "glcpp/glcpp-parse.y" - { - macro_t *macro = hash_table_find (parser->defines, "__VERSION__"); - if (macro) { - hash_table_remove (parser->defines, "__VERSION__"); - talloc_free (macro); - } - add_builtin_define (parser, "__VERSION__", (yyvsp[(2) - (3)].ival)); - - if ((yyvsp[(2) - (3)].ival) == 100) - add_builtin_define (parser, "GL_ES", 1); - - /* Currently, all ES2 implementations support highp in the - * fragment shader, so we always define this macro in ES2. - * If we ever get a driver that doesn't support highp, we'll - * need to add a flag to the gl_context and check that here. - */ - if ((yyvsp[(2) - (3)].ival) >= 130 || (yyvsp[(2) - (3)].ival) == 100) - add_builtin_define (parser, "GL_FRAGMENT_PRECISION_HIGH", 1); - - glcpp_printf(parser->output, "#version %" PRIiMAX, (yyvsp[(2) - (3)].ival)); - ;} - break; - - case 24: - -/* Line 1464 of yacc.c */ -#line 334 "glcpp/glcpp-parse.y" - { - if (strlen ((yyvsp[(1) - (1)].str)) >= 3 && strncmp ((yyvsp[(1) - (1)].str), "0x", 2) == 0) { - (yyval.ival) = strtoll ((yyvsp[(1) - (1)].str) + 2, NULL, 16); - } else if ((yyvsp[(1) - (1)].str)[0] == '0') { - (yyval.ival) = strtoll ((yyvsp[(1) - (1)].str), NULL, 8); - } else { - (yyval.ival) = strtoll ((yyvsp[(1) - (1)].str), NULL, 10); - } - ;} - break; - - case 25: - -/* Line 1464 of yacc.c */ -#line 343 "glcpp/glcpp-parse.y" - { - (yyval.ival) = (yyvsp[(1) - (1)].ival); - ;} - break; - - case 27: - -/* Line 1464 of yacc.c */ -#line 349 "glcpp/glcpp-parse.y" - { - (yyval.ival) = (yyvsp[(1) - (3)].ival) || (yyvsp[(3) - (3)].ival); - ;} - break; - - case 28: - -/* Line 1464 of yacc.c */ -#line 352 "glcpp/glcpp-parse.y" - { - (yyval.ival) = (yyvsp[(1) - (3)].ival) && (yyvsp[(3) - (3)].ival); - ;} - break; - - case 29: - -/* Line 1464 of yacc.c */ -#line 355 "glcpp/glcpp-parse.y" - { - (yyval.ival) = (yyvsp[(1) - (3)].ival) | (yyvsp[(3) - (3)].ival); - ;} - break; - - case 30: - -/* Line 1464 of yacc.c */ -#line 358 "glcpp/glcpp-parse.y" - { - (yyval.ival) = (yyvsp[(1) - (3)].ival) ^ (yyvsp[(3) - (3)].ival); - ;} - break; - - case 31: - -/* Line 1464 of yacc.c */ -#line 361 "glcpp/glcpp-parse.y" - { - (yyval.ival) = (yyvsp[(1) - (3)].ival) & (yyvsp[(3) - (3)].ival); - ;} - break; - - case 32: - -/* Line 1464 of yacc.c */ -#line 364 "glcpp/glcpp-parse.y" - { - (yyval.ival) = (yyvsp[(1) - (3)].ival) != (yyvsp[(3) - (3)].ival); - ;} - break; - - case 33: - -/* Line 1464 of yacc.c */ -#line 367 "glcpp/glcpp-parse.y" - { - (yyval.ival) = (yyvsp[(1) - (3)].ival) == (yyvsp[(3) - (3)].ival); - ;} - break; - - case 34: - -/* Line 1464 of yacc.c */ -#line 370 "glcpp/glcpp-parse.y" - { - (yyval.ival) = (yyvsp[(1) - (3)].ival) >= (yyvsp[(3) - (3)].ival); - ;} - break; - - case 35: - -/* Line 1464 of yacc.c */ -#line 373 "glcpp/glcpp-parse.y" - { - (yyval.ival) = (yyvsp[(1) - (3)].ival) <= (yyvsp[(3) - (3)].ival); - ;} - break; - - case 36: - -/* Line 1464 of yacc.c */ -#line 376 "glcpp/glcpp-parse.y" - { - (yyval.ival) = (yyvsp[(1) - (3)].ival) > (yyvsp[(3) - (3)].ival); - ;} - break; - - case 37: - -/* Line 1464 of yacc.c */ -#line 379 "glcpp/glcpp-parse.y" - { - (yyval.ival) = (yyvsp[(1) - (3)].ival) < (yyvsp[(3) - (3)].ival); - ;} - break; - - case 38: - -/* Line 1464 of yacc.c */ -#line 382 "glcpp/glcpp-parse.y" - { - (yyval.ival) = (yyvsp[(1) - (3)].ival) >> (yyvsp[(3) - (3)].ival); - ;} - break; - - case 39: - -/* Line 1464 of yacc.c */ -#line 385 "glcpp/glcpp-parse.y" - { - (yyval.ival) = (yyvsp[(1) - (3)].ival) << (yyvsp[(3) - (3)].ival); - ;} - break; - - case 40: - -/* Line 1464 of yacc.c */ -#line 388 "glcpp/glcpp-parse.y" - { - (yyval.ival) = (yyvsp[(1) - (3)].ival) - (yyvsp[(3) - (3)].ival); - ;} - break; - - case 41: - -/* Line 1464 of yacc.c */ -#line 391 "glcpp/glcpp-parse.y" - { - (yyval.ival) = (yyvsp[(1) - (3)].ival) + (yyvsp[(3) - (3)].ival); - ;} - break; - - case 42: - -/* Line 1464 of yacc.c */ -#line 394 "glcpp/glcpp-parse.y" - { - (yyval.ival) = (yyvsp[(1) - (3)].ival) % (yyvsp[(3) - (3)].ival); - ;} - break; - - case 43: - -/* Line 1464 of yacc.c */ -#line 397 "glcpp/glcpp-parse.y" - { - if ((yyvsp[(3) - (3)].ival) == 0) { - yyerror (& (yylsp[(1) - (3)]), parser, - "division by 0 in preprocessor directive"); - } else { - (yyval.ival) = (yyvsp[(1) - (3)].ival) / (yyvsp[(3) - (3)].ival); - } - ;} - break; - - case 44: - -/* Line 1464 of yacc.c */ -#line 405 "glcpp/glcpp-parse.y" - { - (yyval.ival) = (yyvsp[(1) - (3)].ival) * (yyvsp[(3) - (3)].ival); - ;} - break; - - case 45: - -/* Line 1464 of yacc.c */ -#line 408 "glcpp/glcpp-parse.y" - { - (yyval.ival) = ! (yyvsp[(2) - (2)].ival); - ;} - break; - - case 46: - -/* Line 1464 of yacc.c */ -#line 411 "glcpp/glcpp-parse.y" - { - (yyval.ival) = ~ (yyvsp[(2) - (2)].ival); - ;} - break; - - case 47: - -/* Line 1464 of yacc.c */ -#line 414 "glcpp/glcpp-parse.y" - { - (yyval.ival) = - (yyvsp[(2) - (2)].ival); - ;} - break; - - case 48: - -/* Line 1464 of yacc.c */ -#line 417 "glcpp/glcpp-parse.y" - { - (yyval.ival) = + (yyvsp[(2) - (2)].ival); - ;} - break; - - case 49: - -/* Line 1464 of yacc.c */ -#line 420 "glcpp/glcpp-parse.y" - { - (yyval.ival) = (yyvsp[(2) - (3)].ival); - ;} - break; - - case 50: - -/* Line 1464 of yacc.c */ -#line 426 "glcpp/glcpp-parse.y" - { - (yyval.string_list) = _string_list_create (parser); - _string_list_append_item ((yyval.string_list), (yyvsp[(1) - (1)].str)); - talloc_steal ((yyval.string_list), (yyvsp[(1) - (1)].str)); - ;} - break; - - case 51: - -/* Line 1464 of yacc.c */ -#line 431 "glcpp/glcpp-parse.y" - { - (yyval.string_list) = (yyvsp[(1) - (3)].string_list); - _string_list_append_item ((yyval.string_list), (yyvsp[(3) - (3)].str)); - talloc_steal ((yyval.string_list), (yyvsp[(3) - (3)].str)); - ;} - break; - - case 52: - -/* Line 1464 of yacc.c */ -#line 439 "glcpp/glcpp-parse.y" - { (yyval.token_list) = NULL; ;} - break; - - case 54: - -/* Line 1464 of yacc.c */ -#line 444 "glcpp/glcpp-parse.y" - { - yyerror (& (yylsp[(1) - (2)]), parser, "Invalid tokens after #"); - ;} - break; - - case 55: - -/* Line 1464 of yacc.c */ -#line 450 "glcpp/glcpp-parse.y" - { (yyval.token_list) = NULL; ;} - break; - - case 58: - -/* Line 1464 of yacc.c */ -#line 456 "glcpp/glcpp-parse.y" - { - glcpp_warning(&(yylsp[(1) - (1)]), parser, "extra tokens at end of directive"); - ;} - break; - - case 59: - -/* Line 1464 of yacc.c */ -#line 463 "glcpp/glcpp-parse.y" - { - int v = hash_table_find (parser->defines, (yyvsp[(2) - (2)].str)) ? 1 : 0; - (yyval.token) = _token_create_ival (parser, INTEGER, v); - ;} - break; - - case 60: - -/* Line 1464 of yacc.c */ -#line 467 "glcpp/glcpp-parse.y" - { - int v = hash_table_find (parser->defines, (yyvsp[(3) - (4)].str)) ? 1 : 0; - (yyval.token) = _token_create_ival (parser, INTEGER, v); - ;} - break; - - case 62: - -/* Line 1464 of yacc.c */ -#line 476 "glcpp/glcpp-parse.y" - { - (yyval.token_list) = _token_list_create (parser); - _token_list_append ((yyval.token_list), (yyvsp[(1) - (1)].token)); - ;} - break; - - case 63: - -/* Line 1464 of yacc.c */ -#line 480 "glcpp/glcpp-parse.y" - { - (yyval.token_list) = (yyvsp[(1) - (2)].token_list); - _token_list_append ((yyval.token_list), (yyvsp[(2) - (2)].token)); - ;} - break; - - case 64: - -/* Line 1464 of yacc.c */ -#line 487 "glcpp/glcpp-parse.y" - { - parser->space_tokens = 1; - (yyval.token_list) = _token_list_create (parser); - _token_list_append ((yyval.token_list), (yyvsp[(1) - (1)].token)); - ;} - break; - - case 65: - -/* Line 1464 of yacc.c */ -#line 492 "glcpp/glcpp-parse.y" - { - (yyval.token_list) = (yyvsp[(1) - (2)].token_list); - _token_list_append ((yyval.token_list), (yyvsp[(2) - (2)].token)); - ;} - break; - - case 66: - -/* Line 1464 of yacc.c */ -#line 499 "glcpp/glcpp-parse.y" - { - (yyval.token) = _token_create_str (parser, IDENTIFIER, (yyvsp[(1) - (1)].str)); - (yyval.token)->location = yylloc; - ;} - break; - - case 67: - -/* Line 1464 of yacc.c */ -#line 503 "glcpp/glcpp-parse.y" - { - (yyval.token) = _token_create_str (parser, INTEGER_STRING, (yyvsp[(1) - (1)].str)); - (yyval.token)->location = yylloc; - ;} - break; - - case 68: - -/* Line 1464 of yacc.c */ -#line 507 "glcpp/glcpp-parse.y" - { - (yyval.token) = _token_create_ival (parser, (yyvsp[(1) - (1)].ival), (yyvsp[(1) - (1)].ival)); - (yyval.token)->location = yylloc; - ;} - break; - - case 69: - -/* Line 1464 of yacc.c */ -#line 511 "glcpp/glcpp-parse.y" - { - (yyval.token) = _token_create_str (parser, OTHER, (yyvsp[(1) - (1)].str)); - (yyval.token)->location = yylloc; - ;} - break; - - case 70: - -/* Line 1464 of yacc.c */ -#line 515 "glcpp/glcpp-parse.y" - { - (yyval.token) = _token_create_ival (parser, SPACE, SPACE); - (yyval.token)->location = yylloc; - ;} - break; - - case 71: - -/* Line 1464 of yacc.c */ -#line 522 "glcpp/glcpp-parse.y" - { (yyval.ival) = '['; ;} - break; - - case 72: - -/* Line 1464 of yacc.c */ -#line 523 "glcpp/glcpp-parse.y" - { (yyval.ival) = ']'; ;} - break; - - case 73: - -/* Line 1464 of yacc.c */ -#line 524 "glcpp/glcpp-parse.y" - { (yyval.ival) = '('; ;} - break; - - case 74: - -/* Line 1464 of yacc.c */ -#line 525 "glcpp/glcpp-parse.y" - { (yyval.ival) = ')'; ;} - break; - - case 75: - -/* Line 1464 of yacc.c */ -#line 526 "glcpp/glcpp-parse.y" - { (yyval.ival) = '{'; ;} - break; - - case 76: - -/* Line 1464 of yacc.c */ -#line 527 "glcpp/glcpp-parse.y" - { (yyval.ival) = '}'; ;} - break; - - case 77: - -/* Line 1464 of yacc.c */ -#line 528 "glcpp/glcpp-parse.y" - { (yyval.ival) = '.'; ;} - break; - - case 78: - -/* Line 1464 of yacc.c */ -#line 529 "glcpp/glcpp-parse.y" - { (yyval.ival) = '&'; ;} - break; - - case 79: - -/* Line 1464 of yacc.c */ -#line 530 "glcpp/glcpp-parse.y" - { (yyval.ival) = '*'; ;} - break; - - case 80: - -/* Line 1464 of yacc.c */ -#line 531 "glcpp/glcpp-parse.y" - { (yyval.ival) = '+'; ;} - break; - - case 81: - -/* Line 1464 of yacc.c */ -#line 532 "glcpp/glcpp-parse.y" - { (yyval.ival) = '-'; ;} - break; - - case 82: - -/* Line 1464 of yacc.c */ -#line 533 "glcpp/glcpp-parse.y" - { (yyval.ival) = '~'; ;} - break; - - case 83: - -/* Line 1464 of yacc.c */ -#line 534 "glcpp/glcpp-parse.y" - { (yyval.ival) = '!'; ;} - break; - - case 84: - -/* Line 1464 of yacc.c */ -#line 535 "glcpp/glcpp-parse.y" - { (yyval.ival) = '/'; ;} - break; - - case 85: - -/* Line 1464 of yacc.c */ -#line 536 "glcpp/glcpp-parse.y" - { (yyval.ival) = '%'; ;} - break; - - case 86: - -/* Line 1464 of yacc.c */ -#line 537 "glcpp/glcpp-parse.y" - { (yyval.ival) = LEFT_SHIFT; ;} - break; - - case 87: - -/* Line 1464 of yacc.c */ -#line 538 "glcpp/glcpp-parse.y" - { (yyval.ival) = RIGHT_SHIFT; ;} - break; - - case 88: - -/* Line 1464 of yacc.c */ -#line 539 "glcpp/glcpp-parse.y" - { (yyval.ival) = '<'; ;} - break; - - case 89: - -/* Line 1464 of yacc.c */ -#line 540 "glcpp/glcpp-parse.y" - { (yyval.ival) = '>'; ;} - break; - - case 90: - -/* Line 1464 of yacc.c */ -#line 541 "glcpp/glcpp-parse.y" - { (yyval.ival) = LESS_OR_EQUAL; ;} - break; - - case 91: - -/* Line 1464 of yacc.c */ -#line 542 "glcpp/glcpp-parse.y" - { (yyval.ival) = GREATER_OR_EQUAL; ;} - break; - - case 92: - -/* Line 1464 of yacc.c */ -#line 543 "glcpp/glcpp-parse.y" - { (yyval.ival) = EQUAL; ;} - break; - - case 93: - -/* Line 1464 of yacc.c */ -#line 544 "glcpp/glcpp-parse.y" - { (yyval.ival) = NOT_EQUAL; ;} - break; - - case 94: - -/* Line 1464 of yacc.c */ -#line 545 "glcpp/glcpp-parse.y" - { (yyval.ival) = '^'; ;} - break; - - case 95: - -/* Line 1464 of yacc.c */ -#line 546 "glcpp/glcpp-parse.y" - { (yyval.ival) = '|'; ;} - break; - - case 96: - -/* Line 1464 of yacc.c */ -#line 547 "glcpp/glcpp-parse.y" - { (yyval.ival) = AND; ;} - break; - - case 97: - -/* Line 1464 of yacc.c */ -#line 548 "glcpp/glcpp-parse.y" - { (yyval.ival) = OR; ;} - break; - - case 98: - -/* Line 1464 of yacc.c */ -#line 549 "glcpp/glcpp-parse.y" - { (yyval.ival) = ';'; ;} - break; - - case 99: - -/* Line 1464 of yacc.c */ -#line 550 "glcpp/glcpp-parse.y" - { (yyval.ival) = ','; ;} - break; - - case 100: - -/* Line 1464 of yacc.c */ -#line 551 "glcpp/glcpp-parse.y" - { (yyval.ival) = '='; ;} - break; - - case 101: - -/* Line 1464 of yacc.c */ -#line 552 "glcpp/glcpp-parse.y" - { (yyval.ival) = PASTE; ;} - break; - - - -/* Line 1464 of yacc.c */ -#line 2661 "glcpp/glcpp-parse.c" - default: break; - } - YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc); - - YYPOPSTACK (yylen); - yylen = 0; - YY_STACK_PRINT (yyss, yyssp); - - *++yyvsp = yyval; - *++yylsp = yyloc; - - /* Now `shift' the result of the reduction. Determine what state - that goes to, based on the state we popped back to and the rule - number reduced by. */ - - yyn = yyr1[yyn]; - - yystate = yypgoto[yyn - YYNTOKENS] + *yyssp; - if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp) - yystate = yytable[yystate]; - else - yystate = yydefgoto[yyn - YYNTOKENS]; - - goto yynewstate; - - -/*------------------------------------. -| yyerrlab -- here on detecting error | -`------------------------------------*/ -yyerrlab: - /* If not already recovering from an error, report this error. */ - if (!yyerrstatus) - { - ++yynerrs; -#if ! YYERROR_VERBOSE - yyerror (&yylloc, parser, YY_("syntax error")); -#else - { - YYSIZE_T yysize = yysyntax_error (0, yystate, yychar); - if (yymsg_alloc < yysize && yymsg_alloc < YYSTACK_ALLOC_MAXIMUM) - { - YYSIZE_T yyalloc = 2 * yysize; - if (! (yysize <= yyalloc && yyalloc <= YYSTACK_ALLOC_MAXIMUM)) - yyalloc = YYSTACK_ALLOC_MAXIMUM; - if (yymsg != yymsgbuf) - YYSTACK_FREE (yymsg); - yymsg = (char *) YYSTACK_ALLOC (yyalloc); - if (yymsg) - yymsg_alloc = yyalloc; - else - { - yymsg = yymsgbuf; - yymsg_alloc = sizeof yymsgbuf; - } - } - - if (0 < yysize && yysize <= yymsg_alloc) - { - (void) yysyntax_error (yymsg, yystate, yychar); - yyerror (&yylloc, parser, yymsg); - } - else - { - yyerror (&yylloc, parser, YY_("syntax error")); - if (yysize != 0) - goto yyexhaustedlab; - } - } -#endif - } - - yyerror_range[1] = yylloc; - - if (yyerrstatus == 3) - { - /* If just tried and failed to reuse lookahead token after an - error, discard it. */ - - if (yychar <= YYEOF) - { - /* Return failure if at end of input. */ - if (yychar == YYEOF) - YYABORT; - } - else - { - yydestruct ("Error: discarding", - yytoken, &yylval, &yylloc, parser); - yychar = YYEMPTY; - } - } - - /* Else will try to reuse lookahead token after shifting the error - token. */ - goto yyerrlab1; - - -/*---------------------------------------------------. -| yyerrorlab -- error raised explicitly by YYERROR. | -`---------------------------------------------------*/ -yyerrorlab: - - /* Pacify compilers like GCC when the user code never invokes - YYERROR and the label yyerrorlab therefore never appears in user - code. */ - if (/*CONSTCOND*/ 0) - goto yyerrorlab; - - yyerror_range[1] = yylsp[1-yylen]; - /* Do not reclaim the symbols of the rule which action triggered - this YYERROR. */ - YYPOPSTACK (yylen); - yylen = 0; - YY_STACK_PRINT (yyss, yyssp); - yystate = *yyssp; - goto yyerrlab1; - - -/*-------------------------------------------------------------. -| yyerrlab1 -- common code for both syntax error and YYERROR. | -`-------------------------------------------------------------*/ -yyerrlab1: - yyerrstatus = 3; /* Each real token shifted decrements this. */ - - for (;;) - { - yyn = yypact[yystate]; - if (yyn != YYPACT_NINF) - { - yyn += YYTERROR; - if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR) - { - yyn = yytable[yyn]; - if (0 < yyn) - break; - } - } - - /* Pop the current state because it cannot handle the error token. */ - if (yyssp == yyss) - YYABORT; - - yyerror_range[1] = *yylsp; - yydestruct ("Error: popping", - yystos[yystate], yyvsp, yylsp, parser); - YYPOPSTACK (1); - yystate = *yyssp; - YY_STACK_PRINT (yyss, yyssp); - } - - *++yyvsp = yylval; - - yyerror_range[2] = yylloc; - /* Using YYLLOC is tempting, but would change the location of - the lookahead. YYLOC is available though. */ - YYLLOC_DEFAULT (yyloc, yyerror_range, 2); - *++yylsp = yyloc; - - /* Shift the error token. */ - YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp); - - yystate = yyn; - goto yynewstate; - - -/*-------------------------------------. -| yyacceptlab -- YYACCEPT comes here. | -`-------------------------------------*/ -yyacceptlab: - yyresult = 0; - goto yyreturn; - -/*-----------------------------------. -| yyabortlab -- YYABORT comes here. | -`-----------------------------------*/ -yyabortlab: - yyresult = 1; - goto yyreturn; - -#if !defined(yyoverflow) || YYERROR_VERBOSE -/*-------------------------------------------------. -| yyexhaustedlab -- memory exhaustion comes here. | -`-------------------------------------------------*/ -yyexhaustedlab: - yyerror (&yylloc, parser, YY_("memory exhausted")); - yyresult = 2; - /* Fall through. */ -#endif - -yyreturn: - if (yychar != YYEMPTY) - yydestruct ("Cleanup: discarding lookahead", - yytoken, &yylval, &yylloc, parser); - /* Do not reclaim the symbols of the rule which action triggered - this YYABORT or YYACCEPT. */ - YYPOPSTACK (yylen); - YY_STACK_PRINT (yyss, yyssp); - while (yyssp != yyss) - { - yydestruct ("Cleanup: popping", - yystos[*yyssp], yyvsp, yylsp, parser); - YYPOPSTACK (1); - } -#ifndef yyoverflow - if (yyss != yyssa) - YYSTACK_FREE (yyss); -#endif -#if YYERROR_VERBOSE - if (yymsg != yymsgbuf) - YYSTACK_FREE (yymsg); -#endif - /* Make sure YYID is used. */ - return YYID (yyresult); -} - - - -/* Line 1684 of yacc.c */ -#line 555 "glcpp/glcpp-parse.y" - - -string_list_t * -_string_list_create (void *ctx) -{ - string_list_t *list; - - list = talloc (ctx, string_list_t); - list->head = NULL; - list->tail = NULL; - - return list; -} - -void -_string_list_append_item (string_list_t *list, const char *str) -{ - string_node_t *node; - - node = talloc (list, string_node_t); - node->str = talloc_strdup (node, str); - - node->next = NULL; - - if (list->head == NULL) { - list->head = node; - } else { - list->tail->next = node; - } - - list->tail = node; -} - -int -_string_list_contains (string_list_t *list, const char *member, int *index) -{ - string_node_t *node; - int i; - - if (list == NULL) - return 0; - - for (i = 0, node = list->head; node; i++, node = node->next) { - if (strcmp (node->str, member) == 0) { - if (index) - *index = i; - return 1; - } - } - - return 0; -} - -int -_string_list_length (string_list_t *list) -{ - int length = 0; - string_node_t *node; - - if (list == NULL) - return 0; - - for (node = list->head; node; node = node->next) - length++; - - return length; -} - -int -_string_list_equal (string_list_t *a, string_list_t *b) -{ - string_node_t *node_a, *node_b; - - if (a == NULL && b == NULL) - return 1; - - if (a == NULL || b == NULL) - return 0; - - for (node_a = a->head, node_b = b->head; - node_a && node_b; - node_a = node_a->next, node_b = node_b->next) - { - if (strcmp (node_a->str, node_b->str)) - return 0; - } - - /* Catch the case of lists being different lengths, (which - * would cause the loop above to terminate after the shorter - * list). */ - return node_a == node_b; -} - -argument_list_t * -_argument_list_create (void *ctx) -{ - argument_list_t *list; - - list = talloc (ctx, argument_list_t); - list->head = NULL; - list->tail = NULL; - - return list; -} - -void -_argument_list_append (argument_list_t *list, token_list_t *argument) -{ - argument_node_t *node; - - node = talloc (list, argument_node_t); - node->argument = argument; - - node->next = NULL; - - if (list->head == NULL) { - list->head = node; - } else { - list->tail->next = node; - } - - list->tail = node; -} - -int -_argument_list_length (argument_list_t *list) -{ - int length = 0; - argument_node_t *node; - - if (list == NULL) - return 0; - - for (node = list->head; node; node = node->next) - length++; - - return length; -} - -token_list_t * -_argument_list_member_at (argument_list_t *list, int index) -{ - argument_node_t *node; - int i; - - if (list == NULL) - return NULL; - - node = list->head; - for (i = 0; i < index; i++) { - node = node->next; - if (node == NULL) - break; - } - - if (node) - return node->argument; - - return NULL; -} - -/* Note: This function talloc_steal()s the str pointer. */ -token_t * -_token_create_str (void *ctx, int type, char *str) -{ - token_t *token; - - token = talloc (ctx, token_t); - token->type = type; - token->value.str = talloc_steal (token, str); - - return token; -} - -token_t * -_token_create_ival (void *ctx, int type, int ival) -{ - token_t *token; - - token = talloc (ctx, token_t); - token->type = type; - token->value.ival = ival; - - return token; -} - -token_list_t * -_token_list_create (void *ctx) -{ - token_list_t *list; - - list = talloc (ctx, token_list_t); - list->head = NULL; - list->tail = NULL; - list->non_space_tail = NULL; - - return list; -} - -void -_token_list_append (token_list_t *list, token_t *token) -{ - token_node_t *node; - - node = talloc (list, token_node_t); - node->token = talloc_steal (list, token); - - node->next = NULL; - - if (list->head == NULL) { - list->head = node; - } else { - list->tail->next = node; - } - - list->tail = node; - if (token->type != SPACE) - list->non_space_tail = node; -} - -void -_token_list_append_list (token_list_t *list, token_list_t *tail) -{ - if (tail == NULL || tail->head == NULL) - return; - - if (list->head == NULL) { - list->head = tail->head; - } else { - list->tail->next = tail->head; - } - - list->tail = tail->tail; - list->non_space_tail = tail->non_space_tail; -} - -static token_list_t * -_token_list_copy (void *ctx, token_list_t *other) -{ - token_list_t *copy; - token_node_t *node; - - if (other == NULL) - return NULL; - - copy = _token_list_create (ctx); - for (node = other->head; node; node = node->next) { - token_t *new_token = talloc (copy, token_t); - *new_token = *node->token; - _token_list_append (copy, new_token); - } - - return copy; -} - -static void -_token_list_trim_trailing_space (token_list_t *list) -{ - token_node_t *tail, *next; - - if (list->non_space_tail) { - tail = list->non_space_tail->next; - list->non_space_tail->next = NULL; - list->tail = list->non_space_tail; - - while (tail) { - next = tail->next; - talloc_free (tail); - tail = next; - } - } -} - -int -_token_list_is_empty_ignoring_space (token_list_t *l) -{ - token_node_t *n; - - if (l == NULL) - return 1; - - n = l->head; - while (n != NULL && n->token->type == SPACE) - n = n->next; - - return n == NULL; -} - -int -_token_list_equal_ignoring_space (token_list_t *a, token_list_t *b) -{ - token_node_t *node_a, *node_b; - - if (a == NULL || b == NULL) { - int a_empty = _token_list_is_empty_ignoring_space(a); - int b_empty = _token_list_is_empty_ignoring_space(b); - return a_empty == b_empty; - } - - node_a = a->head; - node_b = b->head; - - while (1) - { - if (node_a == NULL && node_b == NULL) - break; - - if (node_a == NULL || node_b == NULL) - return 0; - - if (node_a->token->type == SPACE) { - node_a = node_a->next; - continue; - } - - if (node_b->token->type == SPACE) { - node_b = node_b->next; - continue; - } - - if (node_a->token->type != node_b->token->type) - return 0; - - switch (node_a->token->type) { - case INTEGER: - if (node_a->token->value.ival != - node_b->token->value.ival) - { - return 0; - } - break; - case IDENTIFIER: - case INTEGER_STRING: - case OTHER: - if (strcmp (node_a->token->value.str, - node_b->token->value.str)) - { - return 0; - } - break; - } - - node_a = node_a->next; - node_b = node_b->next; - } - - return 1; -} - -static void -_token_print (char **out, token_t *token) -{ - if (token->type < 256) { - glcpp_printf (*out, "%c", token->type); - return; - } - - switch (token->type) { - case INTEGER: - glcpp_printf (*out, "%" PRIiMAX, token->value.ival); - break; - case IDENTIFIER: - case INTEGER_STRING: - case OTHER: - glcpp_print (*out, token->value.str); - break; - case SPACE: - glcpp_print (*out, " "); - break; - case LEFT_SHIFT: - glcpp_print (*out, "<<"); - break; - case RIGHT_SHIFT: - glcpp_print (*out, ">>"); - break; - case LESS_OR_EQUAL: - glcpp_print (*out, "<="); - break; - case GREATER_OR_EQUAL: - glcpp_print (*out, ">="); - break; - case EQUAL: - glcpp_print (*out, "=="); - break; - case NOT_EQUAL: - glcpp_print (*out, "!="); - break; - case AND: - glcpp_print (*out, "&&"); - break; - case OR: - glcpp_print (*out, "||"); - break; - case PASTE: - glcpp_print (*out, "##"); - break; - case COMMA_FINAL: - glcpp_print (*out, ","); - break; - case PLACEHOLDER: - /* Nothing to print. */ - break; - default: - assert(!"Error: Don't know how to print token."); - break; - } -} - -/* Return a new token (talloc()ed off of 'token') formed by pasting - * 'token' and 'other'. Note that this function may return 'token' or - * 'other' directly rather than allocating anything new. - * - * Caution: Only very cursory error-checking is performed to see if - * the final result is a valid single token. */ -static token_t * -_token_paste (glcpp_parser_t *parser, token_t *token, token_t *other) -{ - token_t *combined = NULL; - - /* Pasting a placeholder onto anything makes no change. */ - if (other->type == PLACEHOLDER) - return token; - - /* When 'token' is a placeholder, just return 'other'. */ - if (token->type == PLACEHOLDER) - return other; - - /* A very few single-character punctuators can be combined - * with another to form a multi-character punctuator. */ - switch (token->type) { - case '<': - if (other->type == '<') - combined = _token_create_ival (token, LEFT_SHIFT, LEFT_SHIFT); - else if (other->type == '=') - combined = _token_create_ival (token, LESS_OR_EQUAL, LESS_OR_EQUAL); - break; - case '>': - if (other->type == '>') - combined = _token_create_ival (token, RIGHT_SHIFT, RIGHT_SHIFT); - else if (other->type == '=') - combined = _token_create_ival (token, GREATER_OR_EQUAL, GREATER_OR_EQUAL); - break; - case '=': - if (other->type == '=') - combined = _token_create_ival (token, EQUAL, EQUAL); - break; - case '!': - if (other->type == '=') - combined = _token_create_ival (token, NOT_EQUAL, NOT_EQUAL); - break; - case '&': - if (other->type == '&') - combined = _token_create_ival (token, AND, AND); - break; - case '|': - if (other->type == '|') - combined = _token_create_ival (token, OR, OR); - break; - } - - if (combined != NULL) { - /* Inherit the location from the first token */ - combined->location = token->location; - return combined; - } - - /* Two string-valued tokens can usually just be mashed - * together. - * - * XXX: This isn't actually legitimate. Several things here - * should result in a diagnostic since the result cannot be a - * valid, single pre-processing token. For example, pasting - * "123" and "abc" is not legal, but we don't catch that - * here. */ - if ((token->type == IDENTIFIER || token->type == OTHER || token->type == INTEGER_STRING) && - (other->type == IDENTIFIER || other->type == OTHER || other->type == INTEGER_STRING)) - { - char *str; - - str = talloc_asprintf (token, "%s%s", token->value.str, - other->value.str); - combined = _token_create_str (token, token->type, str); - combined->location = token->location; - return combined; - } - - glcpp_error (&token->location, parser, ""); - glcpp_print (parser->info_log, "Pasting \""); - _token_print (&parser->info_log, token); - glcpp_print (parser->info_log, "\" and \""); - _token_print (&parser->info_log, other); - glcpp_print (parser->info_log, "\" does not give a valid preprocessing token.\n"); - - return token; -} - -static void -_token_list_print (glcpp_parser_t *parser, token_list_t *list) -{ - token_node_t *node; - - if (list == NULL) - return; - - for (node = list->head; node; node = node->next) - _token_print (&parser->output, node->token); -} - -void -yyerror (YYLTYPE *locp, glcpp_parser_t *parser, const char *error) -{ - glcpp_error(locp, parser, "%s", error); -} - -static void add_builtin_define(glcpp_parser_t *parser, - const char *name, int value) -{ - token_t *tok; - token_list_t *list; - - tok = _token_create_ival (parser, INTEGER, value); - - list = _token_list_create(parser); - _token_list_append(list, tok); - _define_object_macro(parser, NULL, name, list); -} - -glcpp_parser_t * -glcpp_parser_create (const struct gl_extensions *extensions, int api) -{ - glcpp_parser_t *parser; - int language_version; - - parser = talloc (NULL, glcpp_parser_t); - - glcpp_lex_init_extra (parser, &parser->scanner); - parser->defines = hash_table_ctor (32, hash_table_string_hash, - hash_table_string_compare); - parser->active = NULL; - parser->lexing_if = 0; - parser->space_tokens = 1; - parser->newline_as_space = 0; - parser->in_control_line = 0; - parser->paren_count = 0; - - parser->skip_stack = NULL; - - parser->lex_from_list = NULL; - parser->lex_from_node = NULL; - - parser->output = talloc_strdup(parser, ""); - parser->info_log = talloc_strdup(parser, ""); - parser->error = 0; - - /* Add pre-defined macros. */ - add_builtin_define(parser, "GL_ARB_draw_buffers", 1); - add_builtin_define(parser, "GL_ARB_texture_rectangle", 1); - - if (api == API_OPENGLES2) - add_builtin_define(parser, "GL_ES", 1); - - if (extensions != NULL) { - if (extensions->EXT_texture_array) { - add_builtin_define(parser, "GL_EXT_texture_array", 1); - } - - if (extensions->ARB_fragment_coord_conventions) - add_builtin_define(parser, "GL_ARB_fragment_coord_conventions", - 1); - - if (extensions->ARB_explicit_attrib_location) - add_builtin_define(parser, "GL_ARB_explicit_attrib_location", 1); - } - - language_version = 110; - add_builtin_define(parser, "__VERSION__", language_version); - - return parser; -} - -int -glcpp_parser_parse (glcpp_parser_t *parser) -{ - return yyparse (parser); -} - -void -glcpp_parser_destroy (glcpp_parser_t *parser) -{ - glcpp_lex_destroy (parser->scanner); - hash_table_dtor (parser->defines); - talloc_free (parser); -} - -typedef enum function_status -{ - FUNCTION_STATUS_SUCCESS, - FUNCTION_NOT_A_FUNCTION, - FUNCTION_UNBALANCED_PARENTHESES -} function_status_t; - -/* Find a set of function-like macro arguments by looking for a - * balanced set of parentheses. - * - * When called, 'node' should be the opening-parenthesis token, (or - * perhaps preceeding SPACE tokens). Upon successful return *last will - * be the last consumed node, (corresponding to the closing right - * parenthesis). - * - * Return values: - * - * FUNCTION_STATUS_SUCCESS: - * - * Successfully parsed a set of function arguments. - * - * FUNCTION_NOT_A_FUNCTION: - * - * Macro name not followed by a '('. This is not an error, but - * simply that the macro name should be treated as a non-macro. - * - * FUNCTION_UNBALANCED_PARENTHESES - * - * Macro name is not followed by a balanced set of parentheses. - */ -static function_status_t -_arguments_parse (argument_list_t *arguments, - token_node_t *node, - token_node_t **last) -{ - token_list_t *argument; - int paren_count; - - node = node->next; - - /* Ignore whitespace before first parenthesis. */ - while (node && node->token->type == SPACE) - node = node->next; - - if (node == NULL || node->token->type != '(') - return FUNCTION_NOT_A_FUNCTION; - - node = node->next; - - argument = _token_list_create (arguments); - _argument_list_append (arguments, argument); - - for (paren_count = 1; node; node = node->next) { - if (node->token->type == '(') - { - paren_count++; - } - else if (node->token->type == ')') - { - paren_count--; - if (paren_count == 0) - break; - } - - if (node->token->type == ',' && - paren_count == 1) - { - _token_list_trim_trailing_space (argument); - argument = _token_list_create (arguments); - _argument_list_append (arguments, argument); - } - else { - if (argument->head == NULL) { - /* Don't treat initial whitespace as - * part of the arguement. */ - if (node->token->type == SPACE) - continue; - } - _token_list_append (argument, node->token); - } - } - - if (paren_count) - return FUNCTION_UNBALANCED_PARENTHESES; - - *last = node; - - return FUNCTION_STATUS_SUCCESS; -} - -static token_list_t * -_token_list_create_with_one_space (void *ctx) -{ - token_list_t *list; - token_t *space; - - list = _token_list_create (ctx); - space = _token_create_ival (list, SPACE, SPACE); - _token_list_append (list, space); - - return list; -} - -static void -_glcpp_parser_expand_if (glcpp_parser_t *parser, int type, token_list_t *list) -{ - token_list_t *expanded; - token_t *token; - - expanded = _token_list_create (parser); - token = _token_create_ival (parser, type, type); - _token_list_append (expanded, token); - _glcpp_parser_expand_token_list (parser, list); - _token_list_append_list (expanded, list); - glcpp_parser_lex_from (parser, expanded); -} - -/* This is a helper function that's essentially part of the - * implementation of _glcpp_parser_expand_node. It shouldn't be called - * except for by that function. - * - * Returns NULL if node is a simple token with no expansion, (that is, - * although 'node' corresponds to an identifier defined as a - * function-like macro, it is not followed with a parenthesized - * argument list). - * - * Compute the complete expansion of node (which is a function-like - * macro) and subsequent nodes which are arguments. - * - * Returns the token list that results from the expansion and sets - * *last to the last node in the list that was consumed by the - * expansion. Specifically, *last will be set as follows: as the - * token of the closing right parenthesis. - */ -static token_list_t * -_glcpp_parser_expand_function (glcpp_parser_t *parser, - token_node_t *node, - token_node_t **last) - -{ - macro_t *macro; - const char *identifier; - argument_list_t *arguments; - function_status_t status; - token_list_t *substituted; - int parameter_index; - - identifier = node->token->value.str; - - macro = hash_table_find (parser->defines, identifier); - - assert (macro->is_function); - - arguments = _argument_list_create (parser); - status = _arguments_parse (arguments, node, last); - - switch (status) { - case FUNCTION_STATUS_SUCCESS: - break; - case FUNCTION_NOT_A_FUNCTION: - return NULL; - case FUNCTION_UNBALANCED_PARENTHESES: - glcpp_error (&node->token->location, parser, "Macro %s call has unbalanced parentheses\n", identifier); - return NULL; - } - - /* Replace a macro defined as empty with a SPACE token. */ - if (macro->replacements == NULL) { - talloc_free (arguments); - return _token_list_create_with_one_space (parser); - } - - if (! ((_argument_list_length (arguments) == - _string_list_length (macro->parameters)) || - (_string_list_length (macro->parameters) == 0 && - _argument_list_length (arguments) == 1 && - arguments->head->argument->head == NULL))) - { - glcpp_error (&node->token->location, parser, - "Error: macro %s invoked with %d arguments (expected %d)\n", - identifier, - _argument_list_length (arguments), - _string_list_length (macro->parameters)); - return NULL; - } - - /* Perform argument substitution on the replacement list. */ - substituted = _token_list_create (arguments); - - for (node = macro->replacements->head; node; node = node->next) - { - if (node->token->type == IDENTIFIER && - _string_list_contains (macro->parameters, - node->token->value.str, - ¶meter_index)) - { - token_list_t *argument; - argument = _argument_list_member_at (arguments, - parameter_index); - /* Before substituting, we expand the argument - * tokens, or append a placeholder token for - * an empty argument. */ - if (argument->head) { - token_list_t *expanded_argument; - expanded_argument = _token_list_copy (parser, - argument); - _glcpp_parser_expand_token_list (parser, - expanded_argument); - _token_list_append_list (substituted, - expanded_argument); - } else { - token_t *new_token; - - new_token = _token_create_ival (substituted, - PLACEHOLDER, - PLACEHOLDER); - _token_list_append (substituted, new_token); - } - } else { - _token_list_append (substituted, node->token); - } - } - - /* After argument substitution, and before further expansion - * below, implement token pasting. */ - - _token_list_trim_trailing_space (substituted); - - node = substituted->head; - while (node) - { - token_node_t *next_non_space; - - /* Look ahead for a PASTE token, skipping space. */ - next_non_space = node->next; - while (next_non_space && next_non_space->token->type == SPACE) - next_non_space = next_non_space->next; - - if (next_non_space == NULL) - break; - - if (next_non_space->token->type != PASTE) { - node = next_non_space; - continue; - } - - /* Now find the next non-space token after the PASTE. */ - next_non_space = next_non_space->next; - while (next_non_space && next_non_space->token->type == SPACE) - next_non_space = next_non_space->next; - - if (next_non_space == NULL) { - yyerror (&node->token->location, parser, "'##' cannot appear at either end of a macro expansion\n"); - return NULL; - } - - node->token = _token_paste (parser, node->token, next_non_space->token); - node->next = next_non_space->next; - if (next_non_space == substituted->tail) - substituted->tail = node; - - node = node->next; - } - - substituted->non_space_tail = substituted->tail; - - return substituted; -} - -/* Compute the complete expansion of node, (and subsequent nodes after - * 'node' in the case that 'node' is a function-like macro and - * subsequent nodes are arguments). - * - * Returns NULL if node is a simple token with no expansion. - * - * Otherwise, returns the token list that results from the expansion - * and sets *last to the last node in the list that was consumed by - * the expansion. Specifically, *last will be set as follows: - * - * As 'node' in the case of object-like macro expansion. - * - * As the token of the closing right parenthesis in the case of - * function-like macro expansion. - */ -static token_list_t * -_glcpp_parser_expand_node (glcpp_parser_t *parser, - token_node_t *node, - token_node_t **last) -{ - token_t *token = node->token; - const char *identifier; - macro_t *macro; - - /* We only expand identifiers */ - if (token->type != IDENTIFIER) { - /* We change any COMMA into a COMMA_FINAL to prevent - * it being mistaken for an argument separator - * later. */ - if (token->type == ',') { - token->type = COMMA_FINAL; - token->value.ival = COMMA_FINAL; - } - - return NULL; - } - - /* Look up this identifier in the hash table. */ - identifier = token->value.str; - macro = hash_table_find (parser->defines, identifier); - - /* Not a macro, so no expansion needed. */ - if (macro == NULL) - return NULL; - - /* Finally, don't expand this macro if we're already actively - * expanding it, (to avoid infinite recursion). */ - if (_active_list_contains (parser->active, identifier)) { - /* We change the token type here from IDENTIFIER to - * OTHER to prevent any future expansion of this - * unexpanded token. */ - char *str; - token_list_t *expansion; - token_t *final; - - str = talloc_strdup (parser, token->value.str); - final = _token_create_str (parser, OTHER, str); - expansion = _token_list_create (parser); - _token_list_append (expansion, final); - *last = node; - return expansion; - } - - if (! macro->is_function) - { - *last = node; - - /* Replace a macro defined as empty with a SPACE token. */ - if (macro->replacements == NULL) - return _token_list_create_with_one_space (parser); - - return _token_list_copy (parser, macro->replacements); - } - - return _glcpp_parser_expand_function (parser, node, last); -} - -/* Push a new identifier onto the active list, returning the new list. - * - * Here, 'marker' is the token node that appears in the list after the - * expansion of 'identifier'. That is, when the list iterator begins - * examinging 'marker', then it is time to pop this node from the - * active stack. - */ -active_list_t * -_active_list_push (active_list_t *list, - const char *identifier, - token_node_t *marker) -{ - active_list_t *node; - - node = talloc (list, active_list_t); - node->identifier = talloc_strdup (node, identifier); - node->marker = marker; - node->next = list; - - return node; -} - -active_list_t * -_active_list_pop (active_list_t *list) -{ - active_list_t *node = list; - - if (node == NULL) - return NULL; - - node = list->next; - talloc_free (list); - - return node; -} - -int -_active_list_contains (active_list_t *list, const char *identifier) -{ - active_list_t *node; - - if (list == NULL) - return 0; - - for (node = list; node; node = node->next) - if (strcmp (node->identifier, identifier) == 0) - return 1; - - return 0; -} - -/* Walk over the token list replacing nodes with their expansion. - * Whenever nodes are expanded the walking will walk over the new - * nodes, continuing to expand as necessary. The results are placed in - * 'list' itself; - */ -static void -_glcpp_parser_expand_token_list (glcpp_parser_t *parser, - token_list_t *list) -{ - token_node_t *node_prev; - token_node_t *node, *last = NULL; - token_list_t *expansion; - - if (list == NULL) - return; - - _token_list_trim_trailing_space (list); - - node_prev = NULL; - node = list->head; - - while (node) { - - while (parser->active && parser->active->marker == node) - parser->active = _active_list_pop (parser->active); - - /* Find the expansion for node, which will replace all - * nodes from node to last, inclusive. */ - expansion = _glcpp_parser_expand_node (parser, node, &last); - if (expansion) { - token_node_t *n; - - for (n = node; n != last->next; n = n->next) - while (parser->active && - parser->active->marker == n) - { - parser->active = _active_list_pop (parser->active); - } - - parser->active = _active_list_push (parser->active, - node->token->value.str, - last->next); - - /* Splice expansion into list, supporting a - * simple deletion if the expansion is - * empty. */ - if (expansion->head) { - if (node_prev) - node_prev->next = expansion->head; - else - list->head = expansion->head; - expansion->tail->next = last->next; - if (last == list->tail) - list->tail = expansion->tail; - } else { - if (node_prev) - node_prev->next = last->next; - else - list->head = last->next; - if (last == list->tail) - list->tail = NULL; - } - } else { - node_prev = node; - } - node = node_prev ? node_prev->next : list->head; - } - - while (parser->active) - parser->active = _active_list_pop (parser->active); - - list->non_space_tail = list->tail; -} - -void -_glcpp_parser_print_expanded_token_list (glcpp_parser_t *parser, - token_list_t *list) -{ - if (list == NULL) - return; - - _glcpp_parser_expand_token_list (parser, list); - - _token_list_trim_trailing_space (list); - - _token_list_print (parser, list); -} - -static void -_check_for_reserved_macro_name (glcpp_parser_t *parser, YYLTYPE *loc, - const char *identifier) -{ - /* According to the GLSL specification, macro names starting with "__" - * or "GL_" are reserved for future use. So, don't allow them. - */ - if (strncmp(identifier, "__", 2) == 0) { - glcpp_error (loc, parser, "Macro names starting with \"__\" are reserved.\n"); - } - if (strncmp(identifier, "GL_", 3) == 0) { - glcpp_error (loc, parser, "Macro names starting with \"GL_\" are reserved.\n"); - } -} - -static int -_macro_equal (macro_t *a, macro_t *b) -{ - if (a->is_function != b->is_function) - return 0; - - if (a->is_function) { - if (! _string_list_equal (a->parameters, b->parameters)) - return 0; - } - - return _token_list_equal_ignoring_space (a->replacements, - b->replacements); -} - -void -_define_object_macro (glcpp_parser_t *parser, - YYLTYPE *loc, - const char *identifier, - token_list_t *replacements) -{ - macro_t *macro, *previous; - - if (loc != NULL) - _check_for_reserved_macro_name(parser, loc, identifier); - - macro = talloc (parser, macro_t); - - macro->is_function = 0; - macro->parameters = NULL; - macro->identifier = talloc_strdup (macro, identifier); - macro->replacements = talloc_steal (macro, replacements); - - previous = hash_table_find (parser->defines, identifier); - if (previous) { - if (_macro_equal (macro, previous)) { - talloc_free (macro); - return; - } - glcpp_error (loc, parser, "Redefinition of macro %s\n", - identifier); - } - - hash_table_insert (parser->defines, macro, identifier); -} - -void -_define_function_macro (glcpp_parser_t *parser, - YYLTYPE *loc, - const char *identifier, - string_list_t *parameters, - token_list_t *replacements) -{ - macro_t *macro, *previous; - - _check_for_reserved_macro_name(parser, loc, identifier); - - macro = talloc (parser, macro_t); - - macro->is_function = 1; - macro->parameters = talloc_steal (macro, parameters); - macro->identifier = talloc_strdup (macro, identifier); - macro->replacements = talloc_steal (macro, replacements); - - previous = hash_table_find (parser->defines, identifier); - if (previous) { - if (_macro_equal (macro, previous)) { - talloc_free (macro); - return; - } - glcpp_error (loc, parser, "Redefinition of macro %s\n", - identifier); - } - - hash_table_insert (parser->defines, macro, identifier); -} - -static int -glcpp_parser_lex (YYSTYPE *yylval, YYLTYPE *yylloc, glcpp_parser_t *parser) -{ - token_node_t *node; - int ret; - - if (parser->lex_from_list == NULL) { - ret = glcpp_lex (yylval, yylloc, parser->scanner); - - /* XXX: This ugly block of code exists for the sole - * purpose of converting a NEWLINE token into a SPACE - * token, but only in the case where we have seen a - * function-like macro name, but have not yet seen its - * closing parenthesis. - * - * There's perhaps a more compact way to do this with - * mid-rule actions in the grammar. - * - * I'm definitely not pleased with the complexity of - * this code here. - */ - if (parser->newline_as_space) - { - if (ret == '(') { - parser->paren_count++; - } else if (ret == ')') { - parser->paren_count--; - if (parser->paren_count == 0) - parser->newline_as_space = 0; - } else if (ret == NEWLINE) { - ret = SPACE; - } else if (ret != SPACE) { - if (parser->paren_count == 0) - parser->newline_as_space = 0; - } - } - else if (parser->in_control_line) - { - if (ret == NEWLINE) - parser->in_control_line = 0; - } - else if (ret == HASH_DEFINE_OBJ || ret == HASH_DEFINE_FUNC || - ret == HASH_UNDEF || ret == HASH_IF || - ret == HASH_IFDEF || ret == HASH_IFNDEF || - ret == HASH_ELIF || ret == HASH_ELSE || - ret == HASH_ENDIF || ret == HASH) - { - parser->in_control_line = 1; - } - else if (ret == IDENTIFIER) - { - macro_t *macro; - macro = hash_table_find (parser->defines, - yylval->str); - if (macro && macro->is_function) { - parser->newline_as_space = 1; - parser->paren_count = 0; - } - } - - return ret; - } - - node = parser->lex_from_node; - - if (node == NULL) { - talloc_free (parser->lex_from_list); - parser->lex_from_list = NULL; - return NEWLINE; - } - - *yylval = node->token->value; - ret = node->token->type; - - parser->lex_from_node = node->next; - - return ret; -} - -static void -glcpp_parser_lex_from (glcpp_parser_t *parser, token_list_t *list) -{ - token_node_t *node; - - assert (parser->lex_from_list == NULL); - - /* Copy list, eliminating any space tokens. */ - parser->lex_from_list = _token_list_create (parser); - - for (node = list->head; node; node = node->next) { - if (node->token->type == SPACE) - continue; - _token_list_append (parser->lex_from_list, node->token); - } - - talloc_free (list); - - parser->lex_from_node = parser->lex_from_list->head; - - /* It's possible the list consisted of nothing but whitespace. */ - if (parser->lex_from_node == NULL) { - talloc_free (parser->lex_from_list); - parser->lex_from_list = NULL; - } -} - -static void -_glcpp_parser_skip_stack_push_if (glcpp_parser_t *parser, YYLTYPE *loc, - int condition) -{ - skip_type_t current = SKIP_NO_SKIP; - skip_node_t *node; - - if (parser->skip_stack) - current = parser->skip_stack->type; - - node = talloc (parser, skip_node_t); - node->loc = *loc; - - if (current == SKIP_NO_SKIP) { - if (condition) - node->type = SKIP_NO_SKIP; - else - node->type = SKIP_TO_ELSE; - } else { - node->type = SKIP_TO_ENDIF; - } - - node->next = parser->skip_stack; - parser->skip_stack = node; -} - -static void -_glcpp_parser_skip_stack_change_if (glcpp_parser_t *parser, YYLTYPE *loc, - const char *type, int condition) -{ - if (parser->skip_stack == NULL) { - glcpp_error (loc, parser, "%s without #if\n", type); - return; - } - - if (parser->skip_stack->type == SKIP_TO_ELSE) { - if (condition) - parser->skip_stack->type = SKIP_NO_SKIP; - } else { - parser->skip_stack->type = SKIP_TO_ENDIF; - } -} - -static void -_glcpp_parser_skip_stack_pop (glcpp_parser_t *parser, YYLTYPE *loc) -{ - skip_node_t *node; - - if (parser->skip_stack == NULL) { - glcpp_error (loc, parser, "#endif without #if\n"); - return; - } - - node = parser->skip_stack; - parser->skip_stack = node->next; - talloc_free (node); -} - +/* A Bison parser, made by GNU Bison 2.4.3. */ + +/* Skeleton implementation for Bison's Yacc-like parsers in C + + Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006, + 2009, 2010 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +/* As a special exception, you may create a larger work that contains + part or all of the Bison parser skeleton and distribute that work + under terms of your choice, so long as that work isn't itself a + parser generator using the skeleton or a modified version thereof + as a parser skeleton. Alternatively, if you modify or redistribute + the parser skeleton itself, you may (at your option) remove this + special exception, which will cause the skeleton and the resulting + Bison output files to be licensed under the GNU General Public + License without this special exception. + + This special exception was added by the Free Software Foundation in + version 2.2 of Bison. */ + +/* C LALR(1) parser skeleton written by Richard Stallman, by + simplifying the original so-called "semantic" parser. */ + +/* All symbols defined below should begin with yy or YY, to avoid + infringing on user name space. This should be done even for local + variables, as they might otherwise be expanded by user macros. + There are some unavoidable exceptions within include files to + define necessary library symbols; they are noted "INFRINGES ON + USER NAME SPACE" below. */ + +/* Identify Bison output. */ +#define YYBISON 1 + +/* Bison version. */ +#define YYBISON_VERSION "2.4.3" + +/* Skeleton name. */ +#define YYSKELETON_NAME "yacc.c" + +/* Pure parsers. */ +#define YYPURE 1 + +/* Push parsers. */ +#define YYPUSH 0 + +/* Pull parsers. */ +#define YYPULL 1 + +/* Using locations. */ +#define YYLSP_NEEDED 1 + + + +/* Copy the first part of user declarations. */ + +/* Line 189 of yacc.c */ +#line 1 "glcpp/glcpp-parse.y" + +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include +#include +#include +#include +#include + +#include "glcpp.h" +#include "main/core.h" /* for struct gl_extensions */ +#include "main/mtypes.h" /* for gl_api enum */ + +#define glcpp_print(stream, str) stream = talloc_strdup_append(stream, str) +#define glcpp_printf(stream, fmt, args, ...) \ + stream = talloc_asprintf_append(stream, fmt, args) + +static void +yyerror (YYLTYPE *locp, glcpp_parser_t *parser, const char *error); + +static void +_define_object_macro (glcpp_parser_t *parser, + YYLTYPE *loc, + const char *macro, + token_list_t *replacements); + +static void +_define_function_macro (glcpp_parser_t *parser, + YYLTYPE *loc, + const char *macro, + string_list_t *parameters, + token_list_t *replacements); + +static string_list_t * +_string_list_create (void *ctx); + +static void +_string_list_append_item (string_list_t *list, const char *str); + +static int +_string_list_contains (string_list_t *list, const char *member, int *index); + +static int +_string_list_length (string_list_t *list); + +static int +_string_list_equal (string_list_t *a, string_list_t *b); + +static argument_list_t * +_argument_list_create (void *ctx); + +static void +_argument_list_append (argument_list_t *list, token_list_t *argument); + +static int +_argument_list_length (argument_list_t *list); + +static token_list_t * +_argument_list_member_at (argument_list_t *list, int index); + +/* Note: This function talloc_steal()s the str pointer. */ +static token_t * +_token_create_str (void *ctx, int type, char *str); + +static token_t * +_token_create_ival (void *ctx, int type, int ival); + +static token_list_t * +_token_list_create (void *ctx); + +/* Note: This function calls talloc_steal on token. */ +static void +_token_list_append (token_list_t *list, token_t *token); + +static void +_token_list_append_list (token_list_t *list, token_list_t *tail); + +static int +_token_list_equal_ignoring_space (token_list_t *a, token_list_t *b); + +static active_list_t * +_active_list_push (active_list_t *list, + const char *identifier, + token_node_t *marker); + +static active_list_t * +_active_list_pop (active_list_t *list); + +int +_active_list_contains (active_list_t *list, const char *identifier); + +static void +_glcpp_parser_expand_if (glcpp_parser_t *parser, int type, token_list_t *list); + +static void +_glcpp_parser_expand_token_list (glcpp_parser_t *parser, + token_list_t *list); + +static void +_glcpp_parser_print_expanded_token_list (glcpp_parser_t *parser, + token_list_t *list); + +static void +_glcpp_parser_skip_stack_push_if (glcpp_parser_t *parser, YYLTYPE *loc, + int condition); + +static void +_glcpp_parser_skip_stack_change_if (glcpp_parser_t *parser, YYLTYPE *loc, + const char *type, int condition); + +static void +_glcpp_parser_skip_stack_pop (glcpp_parser_t *parser, YYLTYPE *loc); + +#define yylex glcpp_parser_lex + +static int +glcpp_parser_lex (YYSTYPE *yylval, YYLTYPE *yylloc, glcpp_parser_t *parser); + +static void +glcpp_parser_lex_from (glcpp_parser_t *parser, token_list_t *list); + +static void +add_builtin_define(glcpp_parser_t *parser, const char *name, int value); + + + +/* Line 189 of yacc.c */ +#line 220 "glcpp/glcpp-parse.c" + +/* Enabling traces. */ +#ifndef YYDEBUG +# define YYDEBUG 0 +#endif + +/* Enabling verbose error messages. */ +#ifdef YYERROR_VERBOSE +# undef YYERROR_VERBOSE +# define YYERROR_VERBOSE 1 +#else +# define YYERROR_VERBOSE 1 +#endif + +/* Enabling the token table. */ +#ifndef YYTOKEN_TABLE +# define YYTOKEN_TABLE 0 +#endif + + +/* Tokens. */ +#ifndef YYTOKENTYPE +# define YYTOKENTYPE + /* Put the tokens into the symbol table, so that GDB and other debuggers + know about them. */ + enum yytokentype { + COMMA_FINAL = 258, + DEFINED = 259, + ELIF_EXPANDED = 260, + HASH = 261, + HASH_DEFINE_FUNC = 262, + HASH_DEFINE_OBJ = 263, + HASH_ELIF = 264, + HASH_ELSE = 265, + HASH_ENDIF = 266, + HASH_IF = 267, + HASH_IFDEF = 268, + HASH_IFNDEF = 269, + HASH_UNDEF = 270, + HASH_VERSION = 271, + IDENTIFIER = 272, + IF_EXPANDED = 273, + INTEGER = 274, + INTEGER_STRING = 275, + NEWLINE = 276, + OTHER = 277, + PLACEHOLDER = 278, + SPACE = 279, + PASTE = 280, + OR = 281, + AND = 282, + NOT_EQUAL = 283, + EQUAL = 284, + GREATER_OR_EQUAL = 285, + LESS_OR_EQUAL = 286, + RIGHT_SHIFT = 287, + LEFT_SHIFT = 288, + UNARY = 289 + }; +#endif + + + +#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED + +# define yystype YYSTYPE /* obsolescent; will be withdrawn */ +# define YYSTYPE_IS_DECLARED 1 +#endif + +#if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED +typedef struct YYLTYPE +{ + int first_line; + int first_column; + int last_line; + int last_column; +} YYLTYPE; +# define yyltype YYLTYPE /* obsolescent; will be withdrawn */ +# define YYLTYPE_IS_DECLARED 1 +# define YYLTYPE_IS_TRIVIAL 1 +#endif + + +/* Copy the second part of user declarations. */ + + +/* Line 264 of yacc.c */ +#line 308 "glcpp/glcpp-parse.c" + +#ifdef short +# undef short +#endif + +#ifdef YYTYPE_UINT8 +typedef YYTYPE_UINT8 yytype_uint8; +#else +typedef unsigned char yytype_uint8; +#endif + +#ifdef YYTYPE_INT8 +typedef YYTYPE_INT8 yytype_int8; +#elif (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +typedef signed char yytype_int8; +#else +typedef short int yytype_int8; +#endif + +#ifdef YYTYPE_UINT16 +typedef YYTYPE_UINT16 yytype_uint16; +#else +typedef unsigned short int yytype_uint16; +#endif + +#ifdef YYTYPE_INT16 +typedef YYTYPE_INT16 yytype_int16; +#else +typedef short int yytype_int16; +#endif + +#ifndef YYSIZE_T +# ifdef __SIZE_TYPE__ +# define YYSIZE_T __SIZE_TYPE__ +# elif defined size_t +# define YYSIZE_T size_t +# elif ! defined YYSIZE_T && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +# include /* INFRINGES ON USER NAME SPACE */ +# define YYSIZE_T size_t +# else +# define YYSIZE_T unsigned int +# endif +#endif + +#define YYSIZE_MAXIMUM ((YYSIZE_T) -1) + +#ifndef YY_ +# if defined YYENABLE_NLS && YYENABLE_NLS +# if ENABLE_NLS +# include /* INFRINGES ON USER NAME SPACE */ +# define YY_(msgid) dgettext ("bison-runtime", msgid) +# endif +# endif +# ifndef YY_ +# define YY_(msgid) msgid +# endif +#endif + +/* Suppress unused-variable warnings by "using" E. */ +#if ! defined lint || defined __GNUC__ +# define YYUSE(e) ((void) (e)) +#else +# define YYUSE(e) /* empty */ +#endif + +/* Identity function, used to suppress warnings about constant conditions. */ +#ifndef lint +# define YYID(n) (n) +#else +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static int +YYID (int yyi) +#else +static int +YYID (yyi) + int yyi; +#endif +{ + return yyi; +} +#endif + +#if ! defined yyoverflow || YYERROR_VERBOSE + +/* The parser invokes alloca or malloc; define the necessary symbols. */ + +# ifdef YYSTACK_USE_ALLOCA +# if YYSTACK_USE_ALLOCA +# ifdef __GNUC__ +# define YYSTACK_ALLOC __builtin_alloca +# elif defined __BUILTIN_VA_ARG_INCR +# include /* INFRINGES ON USER NAME SPACE */ +# elif defined _AIX +# define YYSTACK_ALLOC __alloca +# elif defined _MSC_VER +# include /* INFRINGES ON USER NAME SPACE */ +# define alloca _alloca +# else +# define YYSTACK_ALLOC alloca +# if ! defined _ALLOCA_H && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +# include /* INFRINGES ON USER NAME SPACE */ +# ifndef _STDLIB_H +# define _STDLIB_H 1 +# endif +# endif +# endif +# endif +# endif + +# ifdef YYSTACK_ALLOC + /* Pacify GCC's `empty if-body' warning. */ +# define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0)) +# ifndef YYSTACK_ALLOC_MAXIMUM + /* The OS might guarantee only one guard page at the bottom of the stack, + and a page size can be as small as 4096 bytes. So we cannot safely + invoke alloca (N) if N exceeds 4096. Use a slightly smaller number + to allow for a few compiler-allocated temporary stack slots. */ +# define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */ +# endif +# else +# define YYSTACK_ALLOC YYMALLOC +# define YYSTACK_FREE YYFREE +# ifndef YYSTACK_ALLOC_MAXIMUM +# define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM +# endif +# if (defined __cplusplus && ! defined _STDLIB_H \ + && ! ((defined YYMALLOC || defined malloc) \ + && (defined YYFREE || defined free))) +# include /* INFRINGES ON USER NAME SPACE */ +# ifndef _STDLIB_H +# define _STDLIB_H 1 +# endif +# endif +# ifndef YYMALLOC +# define YYMALLOC malloc +# if ! defined malloc && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */ +# endif +# endif +# ifndef YYFREE +# define YYFREE free +# if ! defined free && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +void free (void *); /* INFRINGES ON USER NAME SPACE */ +# endif +# endif +# endif +#endif /* ! defined yyoverflow || YYERROR_VERBOSE */ + + +#if (! defined yyoverflow \ + && (! defined __cplusplus \ + || (defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL \ + && defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL))) + +/* A type that is properly aligned for any stack member. */ +union yyalloc +{ + yytype_int16 yyss_alloc; + YYSTYPE yyvs_alloc; + YYLTYPE yyls_alloc; +}; + +/* The size of the maximum gap between one aligned stack and the next. */ +# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1) + +/* The size of an array large to enough to hold all stacks, each with + N elements. */ +# define YYSTACK_BYTES(N) \ + ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \ + + 2 * YYSTACK_GAP_MAXIMUM) + +/* Copy COUNT objects from FROM to TO. The source and destination do + not overlap. */ +# ifndef YYCOPY +# if defined __GNUC__ && 1 < __GNUC__ +# define YYCOPY(To, From, Count) \ + __builtin_memcpy (To, From, (Count) * sizeof (*(From))) +# else +# define YYCOPY(To, From, Count) \ + do \ + { \ + YYSIZE_T yyi; \ + for (yyi = 0; yyi < (Count); yyi++) \ + (To)[yyi] = (From)[yyi]; \ + } \ + while (YYID (0)) +# endif +# endif + +/* Relocate STACK from its old location to the new one. The + local variables YYSIZE and YYSTACKSIZE give the old and new number of + elements in the stack, and YYPTR gives the new location of the + stack. Advance YYPTR to a properly aligned location for the next + stack. */ +# define YYSTACK_RELOCATE(Stack_alloc, Stack) \ + do \ + { \ + YYSIZE_T yynewbytes; \ + YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \ + Stack = &yyptr->Stack_alloc; \ + yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \ + yyptr += yynewbytes / sizeof (*yyptr); \ + } \ + while (YYID (0)) + +#endif + +/* YYFINAL -- State number of the termination state. */ +#define YYFINAL 2 +/* YYLAST -- Last index in YYTABLE. */ +#define YYLAST 606 + +/* YYNTOKENS -- Number of terminals. */ +#define YYNTOKENS 57 +/* YYNNTS -- Number of nonterminals. */ +#define YYNNTS 17 +/* YYNRULES -- Number of rules. */ +#define YYNRULES 101 +/* YYNRULES -- Number of states. */ +#define YYNSTATES 162 + +/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */ +#define YYUNDEFTOK 2 +#define YYMAXUTOK 289 + +#define YYTRANSLATE(YYX) \ + ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) + +/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */ +static const yytype_uint8 yytranslate[] = +{ + 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 47, 2, 2, 2, 43, 30, 2, + 45, 46, 41, 39, 49, 40, 54, 42, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 55, + 33, 56, 34, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 50, 2, 51, 29, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 52, 28, 53, 48, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 1, 2, 3, 4, + 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, + 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, + 25, 26, 27, 31, 32, 35, 36, 37, 38, 44 +}; + +#if YYDEBUG +/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in + YYRHS. */ +static const yytype_uint16 yyprhs[] = +{ + 0, 0, 3, 4, 7, 9, 11, 13, 16, 20, + 24, 29, 36, 44, 48, 52, 55, 60, 65, 69, + 72, 75, 78, 82, 85, 87, 89, 91, 95, 99, + 103, 107, 111, 115, 119, 123, 127, 131, 135, 139, + 143, 147, 151, 155, 159, 163, 166, 169, 172, 175, + 179, 181, 185, 187, 190, 193, 194, 196, 197, 199, + 202, 207, 209, 211, 214, 216, 219, 221, 223, 225, + 227, 229, 231, 233, 235, 237, 239, 241, 243, 245, + 247, 249, 251, 253, 255, 257, 259, 261, 263, 265, + 267, 269, 271, 273, 275, 277, 279, 281, 283, 285, + 287, 289 +}; + +/* YYRHS -- A `-1'-separated list of the rules' RHS. */ +static const yytype_int8 yyrhs[] = +{ + 58, 0, -1, -1, 58, 59, -1, 61, -1, 65, + -1, 60, -1, 6, 66, -1, 18, 63, 21, -1, + 5, 63, 21, -1, 8, 17, 67, 21, -1, 7, + 17, 45, 46, 67, 21, -1, 7, 17, 45, 64, + 46, 67, 21, -1, 15, 17, 21, -1, 12, 70, + 21, -1, 12, 21, -1, 13, 17, 68, 21, -1, + 14, 17, 68, 21, -1, 9, 70, 21, -1, 9, + 21, -1, 10, 21, -1, 11, 21, -1, 16, 62, + 21, -1, 6, 21, -1, 20, -1, 19, -1, 62, + -1, 63, 26, 63, -1, 63, 27, 63, -1, 63, + 28, 63, -1, 63, 29, 63, -1, 63, 30, 63, + -1, 63, 31, 63, -1, 63, 32, 63, -1, 63, + 35, 63, -1, 63, 36, 63, -1, 63, 34, 63, + -1, 63, 33, 63, -1, 63, 37, 63, -1, 63, + 38, 63, -1, 63, 40, 63, -1, 63, 39, 63, + -1, 63, 43, 63, -1, 63, 42, 63, -1, 63, + 41, 63, -1, 47, 63, -1, 48, 63, -1, 40, + 63, -1, 39, 63, -1, 45, 63, 46, -1, 17, + -1, 64, 49, 17, -1, 21, -1, 71, 21, -1, + 71, 21, -1, -1, 71, -1, -1, 71, -1, 4, + 17, -1, 4, 45, 17, 46, -1, 72, -1, 69, + -1, 70, 69, -1, 72, -1, 71, 72, -1, 17, + -1, 20, -1, 73, -1, 22, -1, 24, -1, 50, + -1, 51, -1, 45, -1, 46, -1, 52, -1, 53, + -1, 54, -1, 30, -1, 41, -1, 39, -1, 40, + -1, 48, -1, 47, -1, 42, -1, 43, -1, 38, + -1, 37, -1, 33, -1, 34, -1, 36, -1, 35, + -1, 32, -1, 31, -1, 29, -1, 28, -1, 27, + -1, 26, -1, 55, -1, 49, -1, 56, -1, 25, + -1 +}; + +/* YYRLINE[YYN] -- source line where rule number YYN was defined. */ +static const yytype_uint16 yyrline[] = +{ + 0, 185, 185, 187, 191, 194, 199, 200, 204, 207, + 213, 216, 219, 222, 230, 249, 259, 264, 269, 288, + 303, 306, 309, 330, 334, 343, 348, 349, 352, 355, + 358, 361, 364, 367, 370, 373, 376, 379, 382, 385, + 388, 391, 394, 397, 405, 408, 411, 414, 417, 420, + 426, 431, 439, 440, 444, 450, 451, 454, 456, 463, + 467, 471, 476, 480, 487, 492, 499, 503, 507, 511, + 515, 522, 523, 524, 525, 526, 527, 528, 529, 530, + 531, 532, 533, 534, 535, 536, 537, 538, 539, 540, + 541, 542, 543, 544, 545, 546, 547, 548, 549, 550, + 551, 552 +}; +#endif + +#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE +/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. + First, the terminals, then, starting at YYNTOKENS, nonterminals. */ +static const char *const yytname[] = +{ + "$end", "error", "$undefined", "COMMA_FINAL", "DEFINED", + "ELIF_EXPANDED", "HASH", "HASH_DEFINE_FUNC", "HASH_DEFINE_OBJ", + "HASH_ELIF", "HASH_ELSE", "HASH_ENDIF", "HASH_IF", "HASH_IFDEF", + "HASH_IFNDEF", "HASH_UNDEF", "HASH_VERSION", "IDENTIFIER", "IF_EXPANDED", + "INTEGER", "INTEGER_STRING", "NEWLINE", "OTHER", "PLACEHOLDER", "SPACE", + "PASTE", "OR", "AND", "'|'", "'^'", "'&'", "NOT_EQUAL", "EQUAL", "'<'", + "'>'", "GREATER_OR_EQUAL", "LESS_OR_EQUAL", "RIGHT_SHIFT", "LEFT_SHIFT", + "'+'", "'-'", "'*'", "'/'", "'%'", "UNARY", "'('", "')'", "'!'", "'~'", + "','", "'['", "']'", "'{'", "'}'", "'.'", "';'", "'='", "$accept", + "input", "line", "expanded_line", "control_line", "integer_constant", + "expression", "identifier_list", "text_line", "non_directive", + "replacement_list", "junk", "conditional_token", "conditional_tokens", + "pp_tokens", "preprocessing_token", "operator", 0 +}; +#endif + +# ifdef YYPRINT +/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to + token YYLEX-NUM. */ +static const yytype_uint16 yytoknum[] = +{ + 0, 256, 257, 258, 259, 260, 261, 262, 263, 264, + 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, + 275, 276, 277, 278, 279, 280, 281, 282, 124, 94, + 38, 283, 284, 60, 62, 285, 286, 287, 288, 43, + 45, 42, 47, 37, 289, 40, 41, 33, 126, 44, + 91, 93, 123, 125, 46, 59, 61 +}; +# endif + +/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ +static const yytype_uint8 yyr1[] = +{ + 0, 57, 58, 58, 59, 59, 59, 59, 60, 60, + 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, + 61, 61, 61, 61, 62, 62, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, + 64, 64, 65, 65, 66, 67, 67, 68, 68, 69, + 69, 69, 70, 70, 71, 71, 72, 72, 72, 72, + 72, 73, 73, 73, 73, 73, 73, 73, 73, 73, + 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, + 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, + 73, 73 +}; + +/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ +static const yytype_uint8 yyr2[] = +{ + 0, 2, 0, 2, 1, 1, 1, 2, 3, 3, + 4, 6, 7, 3, 3, 2, 4, 4, 3, 2, + 2, 2, 3, 2, 1, 1, 1, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 2, 2, 2, 2, 3, + 1, 3, 1, 2, 2, 0, 1, 0, 1, 2, + 4, 1, 1, 2, 1, 2, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1 +}; + +/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state + STATE-NUM when YYTABLE doesn't specify something else to do. Zero + means the default is an error. */ +static const yytype_uint8 yydefact[] = +{ + 2, 0, 1, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 66, 0, 67, 52, 69, + 70, 101, 97, 96, 95, 94, 78, 93, 92, 88, + 89, 91, 90, 87, 86, 80, 81, 79, 84, 85, + 73, 74, 83, 82, 99, 71, 72, 75, 76, 77, + 98, 100, 3, 6, 4, 5, 0, 64, 68, 25, + 24, 0, 0, 0, 0, 0, 26, 0, 23, 7, + 0, 0, 55, 0, 19, 62, 0, 61, 20, 21, + 15, 0, 57, 57, 0, 0, 0, 53, 65, 48, + 47, 0, 45, 46, 9, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 54, 0, 0, 56, 59, 0, 18, + 63, 14, 0, 58, 0, 13, 22, 8, 49, 27, + 28, 29, 30, 31, 32, 33, 37, 36, 34, 35, + 38, 39, 41, 40, 44, 43, 42, 50, 55, 0, + 10, 0, 16, 17, 0, 55, 0, 60, 11, 0, + 51, 12 +}; + +/* YYDEFGOTO[NTERM-NUM]. */ +static const yytype_int16 yydefgoto[] = +{ + -1, 1, 52, 53, 54, 66, 67, 149, 55, 69, + 115, 122, 75, 76, 116, 57, 58 +}; + +/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing + STATE-NUM. */ +#define YYPACT_NINF -147 +static const yytype_int16 yypact[] = +{ + -147, 112, -147, 28, -10, 55, 62, 152, -15, 59, + 192, 85, 86, 87, 51, -147, 28, -147, -147, -147, + -147, -147, -147, -147, -147, -147, -147, -147, -147, -147, + -147, -147, -147, -147, -147, -147, -147, -147, -147, -147, + -147, -147, -147, -147, -147, -147, -147, -147, -147, -147, + -147, -147, -147, -147, -147, -147, 312, -147, -147, -147, + -147, 28, 28, 28, 28, 28, -147, 428, -147, -147, + 352, 63, 392, 17, -147, -147, 232, -147, -147, -147, + -147, 272, 392, 392, 84, 89, 451, -147, -147, -147, + -147, 469, -147, -147, -147, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, -147, 60, 90, 392, -147, 96, -147, + -147, -147, 93, 392, 94, -147, -147, -147, -147, 489, + 505, 520, 534, 547, 558, 558, 18, 18, 18, 18, + 563, 563, 23, 23, -147, -147, -147, -147, 392, 32, + -147, 61, -147, -147, 110, 392, 118, -147, -147, 149, + -147, -147 +}; + +/* YYPGOTO[NTERM-NUM]. */ +static const yytype_int16 yypgoto[] = +{ + -147, -147, -147, -147, -147, 157, -11, -147, -147, -147, + -146, 92, -68, 200, 0, -7, -147 +}; + +/* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If + positive, shift that token. If negative, reduce the rule which + number is the opposite. If zero, do what YYDEFACT says. + If YYTABLE_NINF, syntax error. */ +#define YYTABLE_NINF -1 +static const yytype_uint8 yytable[] = +{ + 77, 56, 154, 77, 70, 86, 78, 15, 120, 159, + 17, 68, 19, 120, 20, 21, 22, 23, 24, 25, + 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, + 36, 37, 38, 39, 117, 40, 41, 42, 43, 44, + 45, 46, 47, 48, 49, 50, 51, 59, 60, 88, + 89, 90, 91, 92, 93, 106, 107, 108, 109, 110, + 111, 112, 118, 88, 110, 111, 112, 61, 62, 77, + 59, 60, 71, 63, 77, 64, 65, 147, 155, 72, + 79, 156, 123, 123, 129, 130, 131, 132, 133, 134, + 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, + 145, 146, 82, 83, 84, 125, 148, 157, 114, 88, + 126, 150, 2, 151, 152, 153, 88, 3, 4, 5, + 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, + 16, 158, 17, 18, 19, 160, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, + 34, 35, 36, 37, 38, 39, 73, 40, 41, 42, + 43, 44, 45, 46, 47, 48, 49, 50, 51, 15, + 161, 85, 17, 74, 19, 124, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, + 34, 35, 36, 37, 38, 39, 73, 40, 41, 42, + 43, 44, 45, 46, 47, 48, 49, 50, 51, 15, + 81, 0, 17, 80, 19, 0, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, + 34, 35, 36, 37, 38, 39, 73, 40, 41, 42, + 43, 44, 45, 46, 47, 48, 49, 50, 51, 15, + 0, 0, 17, 119, 19, 0, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, + 34, 35, 36, 37, 38, 39, 73, 40, 41, 42, + 43, 44, 45, 46, 47, 48, 49, 50, 51, 15, + 0, 0, 17, 121, 19, 0, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, + 34, 35, 36, 37, 38, 39, 0, 40, 41, 42, + 43, 44, 45, 46, 47, 48, 49, 50, 51, 15, + 0, 0, 17, 87, 19, 0, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, + 34, 35, 36, 37, 38, 39, 0, 40, 41, 42, + 43, 44, 45, 46, 47, 48, 49, 50, 51, 15, + 0, 0, 17, 113, 19, 0, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, + 34, 35, 36, 37, 38, 39, 0, 40, 41, 42, + 43, 44, 45, 46, 47, 48, 49, 50, 51, 15, + 0, 0, 17, 0, 19, 0, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, + 34, 35, 36, 37, 38, 39, 0, 40, 41, 42, + 43, 44, 45, 46, 47, 48, 49, 50, 51, 94, + 0, 0, 0, 0, 95, 96, 97, 98, 99, 100, + 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, + 111, 112, 127, 0, 0, 0, 0, 95, 96, 97, + 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, + 108, 109, 110, 111, 112, 95, 96, 97, 98, 99, + 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, + 110, 111, 112, 0, 0, 128, 96, 97, 98, 99, + 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, + 110, 111, 112, 97, 98, 99, 100, 101, 102, 103, + 104, 105, 106, 107, 108, 109, 110, 111, 112, 98, + 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, + 109, 110, 111, 112, 99, 100, 101, 102, 103, 104, + 105, 106, 107, 108, 109, 110, 111, 112, 100, 101, + 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, + 112, 102, 103, 104, 105, 106, 107, 108, 109, 110, + 111, 112, 108, 109, 110, 111, 112 +}; + +static const yytype_int16 yycheck[] = +{ + 7, 1, 148, 10, 4, 16, 21, 17, 76, 155, + 20, 21, 22, 81, 24, 25, 26, 27, 28, 29, + 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, + 40, 41, 42, 43, 17, 45, 46, 47, 48, 49, + 50, 51, 52, 53, 54, 55, 56, 19, 20, 56, + 61, 62, 63, 64, 65, 37, 38, 39, 40, 41, + 42, 43, 45, 70, 41, 42, 43, 39, 40, 76, + 19, 20, 17, 45, 81, 47, 48, 17, 46, 17, + 21, 49, 82, 83, 95, 96, 97, 98, 99, 100, + 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, + 111, 112, 17, 17, 17, 21, 46, 46, 45, 116, + 21, 21, 0, 17, 21, 21, 123, 5, 6, 7, + 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, + 18, 21, 20, 21, 22, 17, 24, 25, 26, 27, + 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, + 38, 39, 40, 41, 42, 43, 4, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, 56, 17, + 21, 14, 20, 21, 22, 83, 24, 25, 26, 27, + 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, + 38, 39, 40, 41, 42, 43, 4, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, 56, 17, + 10, -1, 20, 21, 22, -1, 24, 25, 26, 27, + 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, + 38, 39, 40, 41, 42, 43, 4, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, 56, 17, + -1, -1, 20, 21, 22, -1, 24, 25, 26, 27, + 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, + 38, 39, 40, 41, 42, 43, 4, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, 56, 17, + -1, -1, 20, 21, 22, -1, 24, 25, 26, 27, + 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, + 38, 39, 40, 41, 42, 43, -1, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, 56, 17, + -1, -1, 20, 21, 22, -1, 24, 25, 26, 27, + 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, + 38, 39, 40, 41, 42, 43, -1, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, 56, 17, + -1, -1, 20, 21, 22, -1, 24, 25, 26, 27, + 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, + 38, 39, 40, 41, 42, 43, -1, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, 56, 17, + -1, -1, 20, -1, 22, -1, 24, 25, 26, 27, + 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, + 38, 39, 40, 41, 42, 43, -1, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, 56, 21, + -1, -1, -1, -1, 26, 27, 28, 29, 30, 31, + 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, + 42, 43, 21, -1, -1, -1, -1, 26, 27, 28, + 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, + 39, 40, 41, 42, 43, 26, 27, 28, 29, 30, + 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, + 41, 42, 43, -1, -1, 46, 27, 28, 29, 30, + 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, + 41, 42, 43, 28, 29, 30, 31, 32, 33, 34, + 35, 36, 37, 38, 39, 40, 41, 42, 43, 29, + 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, + 40, 41, 42, 43, 30, 31, 32, 33, 34, 35, + 36, 37, 38, 39, 40, 41, 42, 43, 31, 32, + 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, + 43, 33, 34, 35, 36, 37, 38, 39, 40, 41, + 42, 43, 39, 40, 41, 42, 43 +}; + +/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing + symbol of state STATE-NUM. */ +static const yytype_uint8 yystos[] = +{ + 0, 58, 0, 5, 6, 7, 8, 9, 10, 11, + 12, 13, 14, 15, 16, 17, 18, 20, 21, 22, + 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, + 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, + 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, + 55, 56, 59, 60, 61, 65, 71, 72, 73, 19, + 20, 39, 40, 45, 47, 48, 62, 63, 21, 66, + 71, 17, 17, 4, 21, 69, 70, 72, 21, 21, + 21, 70, 17, 17, 17, 62, 63, 21, 72, 63, + 63, 63, 63, 63, 21, 26, 27, 28, 29, 30, + 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, + 41, 42, 43, 21, 45, 67, 71, 17, 45, 21, + 69, 21, 68, 71, 68, 21, 21, 21, 46, 63, + 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 17, 46, 64, + 21, 17, 21, 21, 67, 46, 49, 46, 21, 67, + 17, 21 +}; + +#define yyerrok (yyerrstatus = 0) +#define yyclearin (yychar = YYEMPTY) +#define YYEMPTY (-2) +#define YYEOF 0 + +#define YYACCEPT goto yyacceptlab +#define YYABORT goto yyabortlab +#define YYERROR goto yyerrorlab + + +/* Like YYERROR except do call yyerror. This remains here temporarily + to ease the transition to the new meaning of YYERROR, for GCC. + Once GCC version 2 has supplanted version 1, this can go. However, + YYFAIL appears to be in use. Nevertheless, it is formally deprecated + in Bison 2.4.2's NEWS entry, where a plan to phase it out is + discussed. */ + +#define YYFAIL goto yyerrlab +#if defined YYFAIL + /* This is here to suppress warnings from the GCC cpp's + -Wunused-macros. Normally we don't worry about that warning, but + some users do, and we want to make it easy for users to remove + YYFAIL uses, which will produce warnings from Bison 2.5. */ +#endif + +#define YYRECOVERING() (!!yyerrstatus) + +#define YYBACKUP(Token, Value) \ +do \ + if (yychar == YYEMPTY && yylen == 1) \ + { \ + yychar = (Token); \ + yylval = (Value); \ + yytoken = YYTRANSLATE (yychar); \ + YYPOPSTACK (1); \ + goto yybackup; \ + } \ + else \ + { \ + yyerror (&yylloc, parser, YY_("syntax error: cannot back up")); \ + YYERROR; \ + } \ +while (YYID (0)) + + +#define YYTERROR 1 +#define YYERRCODE 256 + + +/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N]. + If N is 0, then set CURRENT to the empty location which ends + the previous symbol: RHS[0] (always defined). */ + +#define YYRHSLOC(Rhs, K) ((Rhs)[K]) +#ifndef YYLLOC_DEFAULT +# define YYLLOC_DEFAULT(Current, Rhs, N) \ + do \ + if (YYID (N)) \ + { \ + (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \ + (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \ + (Current).last_line = YYRHSLOC (Rhs, N).last_line; \ + (Current).last_column = YYRHSLOC (Rhs, N).last_column; \ + } \ + else \ + { \ + (Current).first_line = (Current).last_line = \ + YYRHSLOC (Rhs, 0).last_line; \ + (Current).first_column = (Current).last_column = \ + YYRHSLOC (Rhs, 0).last_column; \ + } \ + while (YYID (0)) +#endif + + +/* YY_LOCATION_PRINT -- Print the location on the stream. + This macro was not mandated originally: define only if we know + we won't break user code: when these are the locations we know. */ + +#ifndef YY_LOCATION_PRINT +# if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL +# define YY_LOCATION_PRINT(File, Loc) \ + fprintf (File, "%d.%d-%d.%d", \ + (Loc).first_line, (Loc).first_column, \ + (Loc).last_line, (Loc).last_column) +# else +# define YY_LOCATION_PRINT(File, Loc) ((void) 0) +# endif +#endif + + +/* YYLEX -- calling `yylex' with the right arguments. */ + +#ifdef YYLEX_PARAM +# define YYLEX yylex (&yylval, &yylloc, YYLEX_PARAM) +#else +# define YYLEX yylex (&yylval, &yylloc, parser) +#endif + +/* Enable debugging if requested. */ +#if YYDEBUG + +# ifndef YYFPRINTF +# include /* INFRINGES ON USER NAME SPACE */ +# define YYFPRINTF fprintf +# endif + +# define YYDPRINTF(Args) \ +do { \ + if (yydebug) \ + YYFPRINTF Args; \ +} while (YYID (0)) + +# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \ +do { \ + if (yydebug) \ + { \ + YYFPRINTF (stderr, "%s ", Title); \ + yy_symbol_print (stderr, \ + Type, Value, Location, parser); \ + YYFPRINTF (stderr, "\n"); \ + } \ +} while (YYID (0)) + + +/*--------------------------------. +| Print this symbol on YYOUTPUT. | +`--------------------------------*/ + +/*ARGSUSED*/ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, YYLTYPE const * const yylocationp, glcpp_parser_t *parser) +#else +static void +yy_symbol_value_print (yyoutput, yytype, yyvaluep, yylocationp, parser) + FILE *yyoutput; + int yytype; + YYSTYPE const * const yyvaluep; + YYLTYPE const * const yylocationp; + glcpp_parser_t *parser; +#endif +{ + if (!yyvaluep) + return; + YYUSE (yylocationp); + YYUSE (parser); +# ifdef YYPRINT + if (yytype < YYNTOKENS) + YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep); +# else + YYUSE (yyoutput); +# endif + switch (yytype) + { + default: + break; + } +} + + +/*--------------------------------. +| Print this symbol on YYOUTPUT. | +`--------------------------------*/ + +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, YYLTYPE const * const yylocationp, glcpp_parser_t *parser) +#else +static void +yy_symbol_print (yyoutput, yytype, yyvaluep, yylocationp, parser) + FILE *yyoutput; + int yytype; + YYSTYPE const * const yyvaluep; + YYLTYPE const * const yylocationp; + glcpp_parser_t *parser; +#endif +{ + if (yytype < YYNTOKENS) + YYFPRINTF (yyoutput, "token %s (", yytname[yytype]); + else + YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]); + + YY_LOCATION_PRINT (yyoutput, *yylocationp); + YYFPRINTF (yyoutput, ": "); + yy_symbol_value_print (yyoutput, yytype, yyvaluep, yylocationp, parser); + YYFPRINTF (yyoutput, ")"); +} + +/*------------------------------------------------------------------. +| yy_stack_print -- Print the state stack from its BOTTOM up to its | +| TOP (included). | +`------------------------------------------------------------------*/ + +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_stack_print (yytype_int16 *yybottom, yytype_int16 *yytop) +#else +static void +yy_stack_print (yybottom, yytop) + yytype_int16 *yybottom; + yytype_int16 *yytop; +#endif +{ + YYFPRINTF (stderr, "Stack now"); + for (; yybottom <= yytop; yybottom++) + { + int yybot = *yybottom; + YYFPRINTF (stderr, " %d", yybot); + } + YYFPRINTF (stderr, "\n"); +} + +# define YY_STACK_PRINT(Bottom, Top) \ +do { \ + if (yydebug) \ + yy_stack_print ((Bottom), (Top)); \ +} while (YYID (0)) + + +/*------------------------------------------------. +| Report that the YYRULE is going to be reduced. | +`------------------------------------------------*/ + +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_reduce_print (YYSTYPE *yyvsp, YYLTYPE *yylsp, int yyrule, glcpp_parser_t *parser) +#else +static void +yy_reduce_print (yyvsp, yylsp, yyrule, parser) + YYSTYPE *yyvsp; + YYLTYPE *yylsp; + int yyrule; + glcpp_parser_t *parser; +#endif +{ + int yynrhs = yyr2[yyrule]; + int yyi; + unsigned long int yylno = yyrline[yyrule]; + YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n", + yyrule - 1, yylno); + /* The symbols being reduced. */ + for (yyi = 0; yyi < yynrhs; yyi++) + { + YYFPRINTF (stderr, " $%d = ", yyi + 1); + yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi], + &(yyvsp[(yyi + 1) - (yynrhs)]) + , &(yylsp[(yyi + 1) - (yynrhs)]) , parser); + YYFPRINTF (stderr, "\n"); + } +} + +# define YY_REDUCE_PRINT(Rule) \ +do { \ + if (yydebug) \ + yy_reduce_print (yyvsp, yylsp, Rule, parser); \ +} while (YYID (0)) + +/* Nonzero means print parse trace. It is left uninitialized so that + multiple parsers can coexist. */ +int yydebug; +#else /* !YYDEBUG */ +# define YYDPRINTF(Args) +# define YY_SYMBOL_PRINT(Title, Type, Value, Location) +# define YY_STACK_PRINT(Bottom, Top) +# define YY_REDUCE_PRINT(Rule) +#endif /* !YYDEBUG */ + + +/* YYINITDEPTH -- initial size of the parser's stacks. */ +#ifndef YYINITDEPTH +# define YYINITDEPTH 200 +#endif + +/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only + if the built-in stack extension method is used). + + Do not make this value too large; the results are undefined if + YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH) + evaluated with infinite-precision integer arithmetic. */ + +#ifndef YYMAXDEPTH +# define YYMAXDEPTH 10000 +#endif + + + +#if YYERROR_VERBOSE + +# ifndef yystrlen +# if defined __GLIBC__ && defined _STRING_H +# define yystrlen strlen +# else +/* Return the length of YYSTR. */ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static YYSIZE_T +yystrlen (const char *yystr) +#else +static YYSIZE_T +yystrlen (yystr) + const char *yystr; +#endif +{ + YYSIZE_T yylen; + for (yylen = 0; yystr[yylen]; yylen++) + continue; + return yylen; +} +# endif +# endif + +# ifndef yystpcpy +# if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE +# define yystpcpy stpcpy +# else +/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in + YYDEST. */ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static char * +yystpcpy (char *yydest, const char *yysrc) +#else +static char * +yystpcpy (yydest, yysrc) + char *yydest; + const char *yysrc; +#endif +{ + char *yyd = yydest; + const char *yys = yysrc; + + while ((*yyd++ = *yys++) != '\0') + continue; + + return yyd - 1; +} +# endif +# endif + +# ifndef yytnamerr +/* Copy to YYRES the contents of YYSTR after stripping away unnecessary + quotes and backslashes, so that it's suitable for yyerror. The + heuristic is that double-quoting is unnecessary unless the string + contains an apostrophe, a comma, or backslash (other than + backslash-backslash). YYSTR is taken from yytname. If YYRES is + null, do not copy; instead, return the length of what the result + would have been. */ +static YYSIZE_T +yytnamerr (char *yyres, const char *yystr) +{ + if (*yystr == '"') + { + YYSIZE_T yyn = 0; + char const *yyp = yystr; + + for (;;) + switch (*++yyp) + { + case '\'': + case ',': + goto do_not_strip_quotes; + + case '\\': + if (*++yyp != '\\') + goto do_not_strip_quotes; + /* Fall through. */ + default: + if (yyres) + yyres[yyn] = *yyp; + yyn++; + break; + + case '"': + if (yyres) + yyres[yyn] = '\0'; + return yyn; + } + do_not_strip_quotes: ; + } + + if (! yyres) + return yystrlen (yystr); + + return yystpcpy (yyres, yystr) - yyres; +} +# endif + +/* Copy into YYRESULT an error message about the unexpected token + YYCHAR while in state YYSTATE. Return the number of bytes copied, + including the terminating null byte. If YYRESULT is null, do not + copy anything; just return the number of bytes that would be + copied. As a special case, return 0 if an ordinary "syntax error" + message will do. Return YYSIZE_MAXIMUM if overflow occurs during + size calculation. */ +static YYSIZE_T +yysyntax_error (char *yyresult, int yystate, int yychar) +{ + int yyn = yypact[yystate]; + + if (! (YYPACT_NINF < yyn && yyn <= YYLAST)) + return 0; + else + { + int yytype = YYTRANSLATE (yychar); + YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]); + YYSIZE_T yysize = yysize0; + YYSIZE_T yysize1; + int yysize_overflow = 0; + enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 }; + char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM]; + int yyx; + +# if 0 + /* This is so xgettext sees the translatable formats that are + constructed on the fly. */ + YY_("syntax error, unexpected %s"); + YY_("syntax error, unexpected %s, expecting %s"); + YY_("syntax error, unexpected %s, expecting %s or %s"); + YY_("syntax error, unexpected %s, expecting %s or %s or %s"); + YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s"); +# endif + char *yyfmt; + char const *yyf; + static char const yyunexpected[] = "syntax error, unexpected %s"; + static char const yyexpecting[] = ", expecting %s"; + static char const yyor[] = " or %s"; + char yyformat[sizeof yyunexpected + + sizeof yyexpecting - 1 + + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2) + * (sizeof yyor - 1))]; + char const *yyprefix = yyexpecting; + + /* Start YYX at -YYN if negative to avoid negative indexes in + YYCHECK. */ + int yyxbegin = yyn < 0 ? -yyn : 0; + + /* Stay within bounds of both yycheck and yytname. */ + int yychecklim = YYLAST - yyn + 1; + int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS; + int yycount = 1; + + yyarg[0] = yytname[yytype]; + yyfmt = yystpcpy (yyformat, yyunexpected); + + for (yyx = yyxbegin; yyx < yyxend; ++yyx) + if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) + { + if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM) + { + yycount = 1; + yysize = yysize0; + yyformat[sizeof yyunexpected - 1] = '\0'; + break; + } + yyarg[yycount++] = yytname[yyx]; + yysize1 = yysize + yytnamerr (0, yytname[yyx]); + yysize_overflow |= (yysize1 < yysize); + yysize = yysize1; + yyfmt = yystpcpy (yyfmt, yyprefix); + yyprefix = yyor; + } + + yyf = YY_(yyformat); + yysize1 = yysize + yystrlen (yyf); + yysize_overflow |= (yysize1 < yysize); + yysize = yysize1; + + if (yysize_overflow) + return YYSIZE_MAXIMUM; + + if (yyresult) + { + /* Avoid sprintf, as that infringes on the user's name space. + Don't have undefined behavior even if the translation + produced a string with the wrong number of "%s"s. */ + char *yyp = yyresult; + int yyi = 0; + while ((*yyp = *yyf) != '\0') + { + if (*yyp == '%' && yyf[1] == 's' && yyi < yycount) + { + yyp += yytnamerr (yyp, yyarg[yyi++]); + yyf += 2; + } + else + { + yyp++; + yyf++; + } + } + } + return yysize; + } +} +#endif /* YYERROR_VERBOSE */ + + +/*-----------------------------------------------. +| Release the memory associated to this symbol. | +`-----------------------------------------------*/ + +/*ARGSUSED*/ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep, YYLTYPE *yylocationp, glcpp_parser_t *parser) +#else +static void +yydestruct (yymsg, yytype, yyvaluep, yylocationp, parser) + const char *yymsg; + int yytype; + YYSTYPE *yyvaluep; + YYLTYPE *yylocationp; + glcpp_parser_t *parser; +#endif +{ + YYUSE (yyvaluep); + YYUSE (yylocationp); + YYUSE (parser); + + if (!yymsg) + yymsg = "Deleting"; + YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp); + + switch (yytype) + { + + default: + break; + } +} + +/* Prevent warnings from -Wmissing-prototypes. */ +#ifdef YYPARSE_PARAM +#if defined __STDC__ || defined __cplusplus +int yyparse (void *YYPARSE_PARAM); +#else +int yyparse (); +#endif +#else /* ! YYPARSE_PARAM */ +#if defined __STDC__ || defined __cplusplus +int yyparse (glcpp_parser_t *parser); +#else +int yyparse (); +#endif +#endif /* ! YYPARSE_PARAM */ + + + + + +/*-------------------------. +| yyparse or yypush_parse. | +`-------------------------*/ + +#ifdef YYPARSE_PARAM +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +int +yyparse (void *YYPARSE_PARAM) +#else +int +yyparse (YYPARSE_PARAM) + void *YYPARSE_PARAM; +#endif +#else /* ! YYPARSE_PARAM */ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +int +yyparse (glcpp_parser_t *parser) +#else +int +yyparse (parser) + glcpp_parser_t *parser; +#endif +#endif +{ +/* The lookahead symbol. */ +int yychar; + +/* The semantic value of the lookahead symbol. */ +YYSTYPE yylval; + +/* Location data for the lookahead symbol. */ +YYLTYPE yylloc; + + /* Number of syntax errors so far. */ + int yynerrs; + + int yystate; + /* Number of tokens to shift before error messages enabled. */ + int yyerrstatus; + + /* The stacks and their tools: + `yyss': related to states. + `yyvs': related to semantic values. + `yyls': related to locations. + + Refer to the stacks thru separate pointers, to allow yyoverflow + to reallocate them elsewhere. */ + + /* The state stack. */ + yytype_int16 yyssa[YYINITDEPTH]; + yytype_int16 *yyss; + yytype_int16 *yyssp; + + /* The semantic value stack. */ + YYSTYPE yyvsa[YYINITDEPTH]; + YYSTYPE *yyvs; + YYSTYPE *yyvsp; + + /* The location stack. */ + YYLTYPE yylsa[YYINITDEPTH]; + YYLTYPE *yyls; + YYLTYPE *yylsp; + + /* The locations where the error started and ended. */ + YYLTYPE yyerror_range[3]; + + YYSIZE_T yystacksize; + + int yyn; + int yyresult; + /* Lookahead token as an internal (translated) token number. */ + int yytoken; + /* The variables used to return semantic value and location from the + action routines. */ + YYSTYPE yyval; + YYLTYPE yyloc; + +#if YYERROR_VERBOSE + /* Buffer for error messages, and its allocated size. */ + char yymsgbuf[128]; + char *yymsg = yymsgbuf; + YYSIZE_T yymsg_alloc = sizeof yymsgbuf; +#endif + +#define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N), yylsp -= (N)) + + /* The number of symbols on the RHS of the reduced rule. + Keep to zero when no symbol should be popped. */ + int yylen = 0; + + yytoken = 0; + yyss = yyssa; + yyvs = yyvsa; + yyls = yylsa; + yystacksize = YYINITDEPTH; + + YYDPRINTF ((stderr, "Starting parse\n")); + + yystate = 0; + yyerrstatus = 0; + yynerrs = 0; + yychar = YYEMPTY; /* Cause a token to be read. */ + + /* Initialize stack pointers. + Waste one element of value and location stack + so that they stay on the same level as the state stack. + The wasted elements are never initialized. */ + yyssp = yyss; + yyvsp = yyvs; + yylsp = yyls; + +#if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL + /* Initialize the default location before parsing starts. */ + yylloc.first_line = yylloc.last_line = 1; + yylloc.first_column = yylloc.last_column = 1; +#endif + +/* User initialization code. */ + +/* Line 1251 of yacc.c */ +#line 152 "glcpp/glcpp-parse.y" +{ + yylloc.first_line = 1; + yylloc.first_column = 1; + yylloc.last_line = 1; + yylloc.last_column = 1; + yylloc.source = 0; +} + +/* Line 1251 of yacc.c */ +#line 1622 "glcpp/glcpp-parse.c" + yylsp[0] = yylloc; + + goto yysetstate; + +/*------------------------------------------------------------. +| yynewstate -- Push a new state, which is found in yystate. | +`------------------------------------------------------------*/ + yynewstate: + /* In all cases, when you get here, the value and location stacks + have just been pushed. So pushing a state here evens the stacks. */ + yyssp++; + + yysetstate: + *yyssp = yystate; + + if (yyss + yystacksize - 1 <= yyssp) + { + /* Get the current used size of the three stacks, in elements. */ + YYSIZE_T yysize = yyssp - yyss + 1; + +#ifdef yyoverflow + { + /* Give user a chance to reallocate the stack. Use copies of + these so that the &'s don't force the real ones into + memory. */ + YYSTYPE *yyvs1 = yyvs; + yytype_int16 *yyss1 = yyss; + YYLTYPE *yyls1 = yyls; + + /* Each stack pointer address is followed by the size of the + data in use in that stack, in bytes. This used to be a + conditional around just the two extra args, but that might + be undefined if yyoverflow is a macro. */ + yyoverflow (YY_("memory exhausted"), + &yyss1, yysize * sizeof (*yyssp), + &yyvs1, yysize * sizeof (*yyvsp), + &yyls1, yysize * sizeof (*yylsp), + &yystacksize); + + yyls = yyls1; + yyss = yyss1; + yyvs = yyvs1; + } +#else /* no yyoverflow */ +# ifndef YYSTACK_RELOCATE + goto yyexhaustedlab; +# else + /* Extend the stack our own way. */ + if (YYMAXDEPTH <= yystacksize) + goto yyexhaustedlab; + yystacksize *= 2; + if (YYMAXDEPTH < yystacksize) + yystacksize = YYMAXDEPTH; + + { + yytype_int16 *yyss1 = yyss; + union yyalloc *yyptr = + (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize)); + if (! yyptr) + goto yyexhaustedlab; + YYSTACK_RELOCATE (yyss_alloc, yyss); + YYSTACK_RELOCATE (yyvs_alloc, yyvs); + YYSTACK_RELOCATE (yyls_alloc, yyls); +# undef YYSTACK_RELOCATE + if (yyss1 != yyssa) + YYSTACK_FREE (yyss1); + } +# endif +#endif /* no yyoverflow */ + + yyssp = yyss + yysize - 1; + yyvsp = yyvs + yysize - 1; + yylsp = yyls + yysize - 1; + + YYDPRINTF ((stderr, "Stack size increased to %lu\n", + (unsigned long int) yystacksize)); + + if (yyss + yystacksize - 1 <= yyssp) + YYABORT; + } + + YYDPRINTF ((stderr, "Entering state %d\n", yystate)); + + if (yystate == YYFINAL) + YYACCEPT; + + goto yybackup; + +/*-----------. +| yybackup. | +`-----------*/ +yybackup: + + /* Do appropriate processing given the current state. Read a + lookahead token if we need one and don't already have one. */ + + /* First try to decide what to do without reference to lookahead token. */ + yyn = yypact[yystate]; + if (yyn == YYPACT_NINF) + goto yydefault; + + /* Not known => get a lookahead token if don't already have one. */ + + /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */ + if (yychar == YYEMPTY) + { + YYDPRINTF ((stderr, "Reading a token: ")); + yychar = YYLEX; + } + + if (yychar <= YYEOF) + { + yychar = yytoken = YYEOF; + YYDPRINTF ((stderr, "Now at end of input.\n")); + } + else + { + yytoken = YYTRANSLATE (yychar); + YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc); + } + + /* If the proper action on seeing token YYTOKEN is to reduce or to + detect an error, take that action. */ + yyn += yytoken; + if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken) + goto yydefault; + yyn = yytable[yyn]; + if (yyn <= 0) + { + if (yyn == 0 || yyn == YYTABLE_NINF) + goto yyerrlab; + yyn = -yyn; + goto yyreduce; + } + + /* Count tokens shifted since error; after three, turn off error + status. */ + if (yyerrstatus) + yyerrstatus--; + + /* Shift the lookahead token. */ + YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc); + + /* Discard the shifted token. */ + yychar = YYEMPTY; + + yystate = yyn; + *++yyvsp = yylval; + *++yylsp = yylloc; + goto yynewstate; + + +/*-----------------------------------------------------------. +| yydefault -- do the default action for the current state. | +`-----------------------------------------------------------*/ +yydefault: + yyn = yydefact[yystate]; + if (yyn == 0) + goto yyerrlab; + goto yyreduce; + + +/*-----------------------------. +| yyreduce -- Do a reduction. | +`-----------------------------*/ +yyreduce: + /* yyn is the number of a rule to reduce with. */ + yylen = yyr2[yyn]; + + /* If YYLEN is nonzero, implement the default value of the action: + `$$ = $1'. + + Otherwise, the following line sets YYVAL to garbage. + This behavior is undocumented and Bison + users should not rely upon it. Assigning to YYVAL + unconditionally makes the parser a bit smaller, and it avoids a + GCC warning that YYVAL may be used uninitialized. */ + yyval = yyvsp[1-yylen]; + + /* Default location. */ + YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen); + YY_REDUCE_PRINT (yyn); + switch (yyn) + { + case 4: + +/* Line 1464 of yacc.c */ +#line 191 "glcpp/glcpp-parse.y" + { + glcpp_print(parser->output, "\n"); + ;} + break; + + case 5: + +/* Line 1464 of yacc.c */ +#line 194 "glcpp/glcpp-parse.y" + { + _glcpp_parser_print_expanded_token_list (parser, (yyvsp[(1) - (1)].token_list)); + glcpp_print(parser->output, "\n"); + talloc_free ((yyvsp[(1) - (1)].token_list)); + ;} + break; + + case 8: + +/* Line 1464 of yacc.c */ +#line 204 "glcpp/glcpp-parse.y" + { + _glcpp_parser_skip_stack_push_if (parser, & (yylsp[(1) - (3)]), (yyvsp[(2) - (3)].ival)); + ;} + break; + + case 9: + +/* Line 1464 of yacc.c */ +#line 207 "glcpp/glcpp-parse.y" + { + _glcpp_parser_skip_stack_change_if (parser, & (yylsp[(1) - (3)]), "elif", (yyvsp[(2) - (3)].ival)); + ;} + break; + + case 10: + +/* Line 1464 of yacc.c */ +#line 213 "glcpp/glcpp-parse.y" + { + _define_object_macro (parser, & (yylsp[(2) - (4)]), (yyvsp[(2) - (4)].str), (yyvsp[(3) - (4)].token_list)); + ;} + break; + + case 11: + +/* Line 1464 of yacc.c */ +#line 216 "glcpp/glcpp-parse.y" + { + _define_function_macro (parser, & (yylsp[(2) - (6)]), (yyvsp[(2) - (6)].str), NULL, (yyvsp[(5) - (6)].token_list)); + ;} + break; + + case 12: + +/* Line 1464 of yacc.c */ +#line 219 "glcpp/glcpp-parse.y" + { + _define_function_macro (parser, & (yylsp[(2) - (7)]), (yyvsp[(2) - (7)].str), (yyvsp[(4) - (7)].string_list), (yyvsp[(6) - (7)].token_list)); + ;} + break; + + case 13: + +/* Line 1464 of yacc.c */ +#line 222 "glcpp/glcpp-parse.y" + { + macro_t *macro = hash_table_find (parser->defines, (yyvsp[(2) - (3)].str)); + if (macro) { + hash_table_remove (parser->defines, (yyvsp[(2) - (3)].str)); + talloc_free (macro); + } + talloc_free ((yyvsp[(2) - (3)].str)); + ;} + break; + + case 14: + +/* Line 1464 of yacc.c */ +#line 230 "glcpp/glcpp-parse.y" + { + /* Be careful to only evaluate the 'if' expression if + * we are not skipping. When we are skipping, we + * simply push a new 0-valued 'if' onto the skip + * stack. + * + * This avoids generating diagnostics for invalid + * expressions that are being skipped. */ + if (parser->skip_stack == NULL || + parser->skip_stack->type == SKIP_NO_SKIP) + { + _glcpp_parser_expand_if (parser, IF_EXPANDED, (yyvsp[(2) - (3)].token_list)); + } + else + { + _glcpp_parser_skip_stack_push_if (parser, & (yylsp[(1) - (3)]), 0); + parser->skip_stack->type = SKIP_TO_ENDIF; + } + ;} + break; + + case 15: + +/* Line 1464 of yacc.c */ +#line 249 "glcpp/glcpp-parse.y" + { + /* #if without an expression is only an error if we + * are not skipping */ + if (parser->skip_stack == NULL || + parser->skip_stack->type == SKIP_NO_SKIP) + { + glcpp_error(& (yylsp[(1) - (2)]), parser, "#if with no expression"); + } + _glcpp_parser_skip_stack_push_if (parser, & (yylsp[(1) - (2)]), 0); + ;} + break; + + case 16: + +/* Line 1464 of yacc.c */ +#line 259 "glcpp/glcpp-parse.y" + { + macro_t *macro = hash_table_find (parser->defines, (yyvsp[(2) - (4)].str)); + talloc_free ((yyvsp[(2) - (4)].str)); + _glcpp_parser_skip_stack_push_if (parser, & (yylsp[(1) - (4)]), macro != NULL); + ;} + break; + + case 17: + +/* Line 1464 of yacc.c */ +#line 264 "glcpp/glcpp-parse.y" + { + macro_t *macro = hash_table_find (parser->defines, (yyvsp[(2) - (4)].str)); + talloc_free ((yyvsp[(2) - (4)].str)); + _glcpp_parser_skip_stack_push_if (parser, & (yylsp[(1) - (4)]), macro == NULL); + ;} + break; + + case 18: + +/* Line 1464 of yacc.c */ +#line 269 "glcpp/glcpp-parse.y" + { + /* Be careful to only evaluate the 'elif' expression + * if we are not skipping. When we are skipping, we + * simply change to a 0-valued 'elif' on the skip + * stack. + * + * This avoids generating diagnostics for invalid + * expressions that are being skipped. */ + if (parser->skip_stack && + parser->skip_stack->type == SKIP_TO_ELSE) + { + _glcpp_parser_expand_if (parser, ELIF_EXPANDED, (yyvsp[(2) - (3)].token_list)); + } + else + { + _glcpp_parser_skip_stack_change_if (parser, & (yylsp[(1) - (3)]), + "elif", 0); + } + ;} + break; + + case 19: + +/* Line 1464 of yacc.c */ +#line 288 "glcpp/glcpp-parse.y" + { + /* #elif without an expression is an error unless we + * are skipping. */ + if (parser->skip_stack && + parser->skip_stack->type == SKIP_TO_ELSE) + { + glcpp_error(& (yylsp[(1) - (2)]), parser, "#elif with no expression"); + } + else + { + _glcpp_parser_skip_stack_change_if (parser, & (yylsp[(1) - (2)]), + "elif", 0); + glcpp_warning(& (yylsp[(1) - (2)]), parser, "ignoring illegal #elif without expression"); + } + ;} + break; + + case 20: + +/* Line 1464 of yacc.c */ +#line 303 "glcpp/glcpp-parse.y" + { + _glcpp_parser_skip_stack_change_if (parser, & (yylsp[(1) - (2)]), "else", 1); + ;} + break; + + case 21: + +/* Line 1464 of yacc.c */ +#line 306 "glcpp/glcpp-parse.y" + { + _glcpp_parser_skip_stack_pop (parser, & (yylsp[(1) - (2)])); + ;} + break; + + case 22: + +/* Line 1464 of yacc.c */ +#line 309 "glcpp/glcpp-parse.y" + { + macro_t *macro = hash_table_find (parser->defines, "__VERSION__"); + if (macro) { + hash_table_remove (parser->defines, "__VERSION__"); + talloc_free (macro); + } + add_builtin_define (parser, "__VERSION__", (yyvsp[(2) - (3)].ival)); + + if ((yyvsp[(2) - (3)].ival) == 100) + add_builtin_define (parser, "GL_ES", 1); + + /* Currently, all ES2 implementations support highp in the + * fragment shader, so we always define this macro in ES2. + * If we ever get a driver that doesn't support highp, we'll + * need to add a flag to the gl_context and check that here. + */ + if ((yyvsp[(2) - (3)].ival) >= 130 || (yyvsp[(2) - (3)].ival) == 100) + add_builtin_define (parser, "GL_FRAGMENT_PRECISION_HIGH", 1); + + glcpp_printf(parser->output, "#version %" PRIiMAX, (yyvsp[(2) - (3)].ival)); + ;} + break; + + case 24: + +/* Line 1464 of yacc.c */ +#line 334 "glcpp/glcpp-parse.y" + { + if (strlen ((yyvsp[(1) - (1)].str)) >= 3 && strncmp ((yyvsp[(1) - (1)].str), "0x", 2) == 0) { + (yyval.ival) = strtoll ((yyvsp[(1) - (1)].str) + 2, NULL, 16); + } else if ((yyvsp[(1) - (1)].str)[0] == '0') { + (yyval.ival) = strtoll ((yyvsp[(1) - (1)].str), NULL, 8); + } else { + (yyval.ival) = strtoll ((yyvsp[(1) - (1)].str), NULL, 10); + } + ;} + break; + + case 25: + +/* Line 1464 of yacc.c */ +#line 343 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (1)].ival); + ;} + break; + + case 27: + +/* Line 1464 of yacc.c */ +#line 349 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) || (yyvsp[(3) - (3)].ival); + ;} + break; + + case 28: + +/* Line 1464 of yacc.c */ +#line 352 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) && (yyvsp[(3) - (3)].ival); + ;} + break; + + case 29: + +/* Line 1464 of yacc.c */ +#line 355 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) | (yyvsp[(3) - (3)].ival); + ;} + break; + + case 30: + +/* Line 1464 of yacc.c */ +#line 358 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) ^ (yyvsp[(3) - (3)].ival); + ;} + break; + + case 31: + +/* Line 1464 of yacc.c */ +#line 361 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) & (yyvsp[(3) - (3)].ival); + ;} + break; + + case 32: + +/* Line 1464 of yacc.c */ +#line 364 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) != (yyvsp[(3) - (3)].ival); + ;} + break; + + case 33: + +/* Line 1464 of yacc.c */ +#line 367 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) == (yyvsp[(3) - (3)].ival); + ;} + break; + + case 34: + +/* Line 1464 of yacc.c */ +#line 370 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) >= (yyvsp[(3) - (3)].ival); + ;} + break; + + case 35: + +/* Line 1464 of yacc.c */ +#line 373 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) <= (yyvsp[(3) - (3)].ival); + ;} + break; + + case 36: + +/* Line 1464 of yacc.c */ +#line 376 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) > (yyvsp[(3) - (3)].ival); + ;} + break; + + case 37: + +/* Line 1464 of yacc.c */ +#line 379 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) < (yyvsp[(3) - (3)].ival); + ;} + break; + + case 38: + +/* Line 1464 of yacc.c */ +#line 382 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) >> (yyvsp[(3) - (3)].ival); + ;} + break; + + case 39: + +/* Line 1464 of yacc.c */ +#line 385 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) << (yyvsp[(3) - (3)].ival); + ;} + break; + + case 40: + +/* Line 1464 of yacc.c */ +#line 388 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) - (yyvsp[(3) - (3)].ival); + ;} + break; + + case 41: + +/* Line 1464 of yacc.c */ +#line 391 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) + (yyvsp[(3) - (3)].ival); + ;} + break; + + case 42: + +/* Line 1464 of yacc.c */ +#line 394 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) % (yyvsp[(3) - (3)].ival); + ;} + break; + + case 43: + +/* Line 1464 of yacc.c */ +#line 397 "glcpp/glcpp-parse.y" + { + if ((yyvsp[(3) - (3)].ival) == 0) { + yyerror (& (yylsp[(1) - (3)]), parser, + "division by 0 in preprocessor directive"); + } else { + (yyval.ival) = (yyvsp[(1) - (3)].ival) / (yyvsp[(3) - (3)].ival); + } + ;} + break; + + case 44: + +/* Line 1464 of yacc.c */ +#line 405 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(1) - (3)].ival) * (yyvsp[(3) - (3)].ival); + ;} + break; + + case 45: + +/* Line 1464 of yacc.c */ +#line 408 "glcpp/glcpp-parse.y" + { + (yyval.ival) = ! (yyvsp[(2) - (2)].ival); + ;} + break; + + case 46: + +/* Line 1464 of yacc.c */ +#line 411 "glcpp/glcpp-parse.y" + { + (yyval.ival) = ~ (yyvsp[(2) - (2)].ival); + ;} + break; + + case 47: + +/* Line 1464 of yacc.c */ +#line 414 "glcpp/glcpp-parse.y" + { + (yyval.ival) = - (yyvsp[(2) - (2)].ival); + ;} + break; + + case 48: + +/* Line 1464 of yacc.c */ +#line 417 "glcpp/glcpp-parse.y" + { + (yyval.ival) = + (yyvsp[(2) - (2)].ival); + ;} + break; + + case 49: + +/* Line 1464 of yacc.c */ +#line 420 "glcpp/glcpp-parse.y" + { + (yyval.ival) = (yyvsp[(2) - (3)].ival); + ;} + break; + + case 50: + +/* Line 1464 of yacc.c */ +#line 426 "glcpp/glcpp-parse.y" + { + (yyval.string_list) = _string_list_create (parser); + _string_list_append_item ((yyval.string_list), (yyvsp[(1) - (1)].str)); + talloc_steal ((yyval.string_list), (yyvsp[(1) - (1)].str)); + ;} + break; + + case 51: + +/* Line 1464 of yacc.c */ +#line 431 "glcpp/glcpp-parse.y" + { + (yyval.string_list) = (yyvsp[(1) - (3)].string_list); + _string_list_append_item ((yyval.string_list), (yyvsp[(3) - (3)].str)); + talloc_steal ((yyval.string_list), (yyvsp[(3) - (3)].str)); + ;} + break; + + case 52: + +/* Line 1464 of yacc.c */ +#line 439 "glcpp/glcpp-parse.y" + { (yyval.token_list) = NULL; ;} + break; + + case 54: + +/* Line 1464 of yacc.c */ +#line 444 "glcpp/glcpp-parse.y" + { + yyerror (& (yylsp[(1) - (2)]), parser, "Invalid tokens after #"); + ;} + break; + + case 55: + +/* Line 1464 of yacc.c */ +#line 450 "glcpp/glcpp-parse.y" + { (yyval.token_list) = NULL; ;} + break; + + case 58: + +/* Line 1464 of yacc.c */ +#line 456 "glcpp/glcpp-parse.y" + { + glcpp_warning(&(yylsp[(1) - (1)]), parser, "extra tokens at end of directive"); + ;} + break; + + case 59: + +/* Line 1464 of yacc.c */ +#line 463 "glcpp/glcpp-parse.y" + { + int v = hash_table_find (parser->defines, (yyvsp[(2) - (2)].str)) ? 1 : 0; + (yyval.token) = _token_create_ival (parser, INTEGER, v); + ;} + break; + + case 60: + +/* Line 1464 of yacc.c */ +#line 467 "glcpp/glcpp-parse.y" + { + int v = hash_table_find (parser->defines, (yyvsp[(3) - (4)].str)) ? 1 : 0; + (yyval.token) = _token_create_ival (parser, INTEGER, v); + ;} + break; + + case 62: + +/* Line 1464 of yacc.c */ +#line 476 "glcpp/glcpp-parse.y" + { + (yyval.token_list) = _token_list_create (parser); + _token_list_append ((yyval.token_list), (yyvsp[(1) - (1)].token)); + ;} + break; + + case 63: + +/* Line 1464 of yacc.c */ +#line 480 "glcpp/glcpp-parse.y" + { + (yyval.token_list) = (yyvsp[(1) - (2)].token_list); + _token_list_append ((yyval.token_list), (yyvsp[(2) - (2)].token)); + ;} + break; + + case 64: + +/* Line 1464 of yacc.c */ +#line 487 "glcpp/glcpp-parse.y" + { + parser->space_tokens = 1; + (yyval.token_list) = _token_list_create (parser); + _token_list_append ((yyval.token_list), (yyvsp[(1) - (1)].token)); + ;} + break; + + case 65: + +/* Line 1464 of yacc.c */ +#line 492 "glcpp/glcpp-parse.y" + { + (yyval.token_list) = (yyvsp[(1) - (2)].token_list); + _token_list_append ((yyval.token_list), (yyvsp[(2) - (2)].token)); + ;} + break; + + case 66: + +/* Line 1464 of yacc.c */ +#line 499 "glcpp/glcpp-parse.y" + { + (yyval.token) = _token_create_str (parser, IDENTIFIER, (yyvsp[(1) - (1)].str)); + (yyval.token)->location = yylloc; + ;} + break; + + case 67: + +/* Line 1464 of yacc.c */ +#line 503 "glcpp/glcpp-parse.y" + { + (yyval.token) = _token_create_str (parser, INTEGER_STRING, (yyvsp[(1) - (1)].str)); + (yyval.token)->location = yylloc; + ;} + break; + + case 68: + +/* Line 1464 of yacc.c */ +#line 507 "glcpp/glcpp-parse.y" + { + (yyval.token) = _token_create_ival (parser, (yyvsp[(1) - (1)].ival), (yyvsp[(1) - (1)].ival)); + (yyval.token)->location = yylloc; + ;} + break; + + case 69: + +/* Line 1464 of yacc.c */ +#line 511 "glcpp/glcpp-parse.y" + { + (yyval.token) = _token_create_str (parser, OTHER, (yyvsp[(1) - (1)].str)); + (yyval.token)->location = yylloc; + ;} + break; + + case 70: + +/* Line 1464 of yacc.c */ +#line 515 "glcpp/glcpp-parse.y" + { + (yyval.token) = _token_create_ival (parser, SPACE, SPACE); + (yyval.token)->location = yylloc; + ;} + break; + + case 71: + +/* Line 1464 of yacc.c */ +#line 522 "glcpp/glcpp-parse.y" + { (yyval.ival) = '['; ;} + break; + + case 72: + +/* Line 1464 of yacc.c */ +#line 523 "glcpp/glcpp-parse.y" + { (yyval.ival) = ']'; ;} + break; + + case 73: + +/* Line 1464 of yacc.c */ +#line 524 "glcpp/glcpp-parse.y" + { (yyval.ival) = '('; ;} + break; + + case 74: + +/* Line 1464 of yacc.c */ +#line 525 "glcpp/glcpp-parse.y" + { (yyval.ival) = ')'; ;} + break; + + case 75: + +/* Line 1464 of yacc.c */ +#line 526 "glcpp/glcpp-parse.y" + { (yyval.ival) = '{'; ;} + break; + + case 76: + +/* Line 1464 of yacc.c */ +#line 527 "glcpp/glcpp-parse.y" + { (yyval.ival) = '}'; ;} + break; + + case 77: + +/* Line 1464 of yacc.c */ +#line 528 "glcpp/glcpp-parse.y" + { (yyval.ival) = '.'; ;} + break; + + case 78: + +/* Line 1464 of yacc.c */ +#line 529 "glcpp/glcpp-parse.y" + { (yyval.ival) = '&'; ;} + break; + + case 79: + +/* Line 1464 of yacc.c */ +#line 530 "glcpp/glcpp-parse.y" + { (yyval.ival) = '*'; ;} + break; + + case 80: + +/* Line 1464 of yacc.c */ +#line 531 "glcpp/glcpp-parse.y" + { (yyval.ival) = '+'; ;} + break; + + case 81: + +/* Line 1464 of yacc.c */ +#line 532 "glcpp/glcpp-parse.y" + { (yyval.ival) = '-'; ;} + break; + + case 82: + +/* Line 1464 of yacc.c */ +#line 533 "glcpp/glcpp-parse.y" + { (yyval.ival) = '~'; ;} + break; + + case 83: + +/* Line 1464 of yacc.c */ +#line 534 "glcpp/glcpp-parse.y" + { (yyval.ival) = '!'; ;} + break; + + case 84: + +/* Line 1464 of yacc.c */ +#line 535 "glcpp/glcpp-parse.y" + { (yyval.ival) = '/'; ;} + break; + + case 85: + +/* Line 1464 of yacc.c */ +#line 536 "glcpp/glcpp-parse.y" + { (yyval.ival) = '%'; ;} + break; + + case 86: + +/* Line 1464 of yacc.c */ +#line 537 "glcpp/glcpp-parse.y" + { (yyval.ival) = LEFT_SHIFT; ;} + break; + + case 87: + +/* Line 1464 of yacc.c */ +#line 538 "glcpp/glcpp-parse.y" + { (yyval.ival) = RIGHT_SHIFT; ;} + break; + + case 88: + +/* Line 1464 of yacc.c */ +#line 539 "glcpp/glcpp-parse.y" + { (yyval.ival) = '<'; ;} + break; + + case 89: + +/* Line 1464 of yacc.c */ +#line 540 "glcpp/glcpp-parse.y" + { (yyval.ival) = '>'; ;} + break; + + case 90: + +/* Line 1464 of yacc.c */ +#line 541 "glcpp/glcpp-parse.y" + { (yyval.ival) = LESS_OR_EQUAL; ;} + break; + + case 91: + +/* Line 1464 of yacc.c */ +#line 542 "glcpp/glcpp-parse.y" + { (yyval.ival) = GREATER_OR_EQUAL; ;} + break; + + case 92: + +/* Line 1464 of yacc.c */ +#line 543 "glcpp/glcpp-parse.y" + { (yyval.ival) = EQUAL; ;} + break; + + case 93: + +/* Line 1464 of yacc.c */ +#line 544 "glcpp/glcpp-parse.y" + { (yyval.ival) = NOT_EQUAL; ;} + break; + + case 94: + +/* Line 1464 of yacc.c */ +#line 545 "glcpp/glcpp-parse.y" + { (yyval.ival) = '^'; ;} + break; + + case 95: + +/* Line 1464 of yacc.c */ +#line 546 "glcpp/glcpp-parse.y" + { (yyval.ival) = '|'; ;} + break; + + case 96: + +/* Line 1464 of yacc.c */ +#line 547 "glcpp/glcpp-parse.y" + { (yyval.ival) = AND; ;} + break; + + case 97: + +/* Line 1464 of yacc.c */ +#line 548 "glcpp/glcpp-parse.y" + { (yyval.ival) = OR; ;} + break; + + case 98: + +/* Line 1464 of yacc.c */ +#line 549 "glcpp/glcpp-parse.y" + { (yyval.ival) = ';'; ;} + break; + + case 99: + +/* Line 1464 of yacc.c */ +#line 550 "glcpp/glcpp-parse.y" + { (yyval.ival) = ','; ;} + break; + + case 100: + +/* Line 1464 of yacc.c */ +#line 551 "glcpp/glcpp-parse.y" + { (yyval.ival) = '='; ;} + break; + + case 101: + +/* Line 1464 of yacc.c */ +#line 552 "glcpp/glcpp-parse.y" + { (yyval.ival) = PASTE; ;} + break; + + + +/* Line 1464 of yacc.c */ +#line 2661 "glcpp/glcpp-parse.c" + default: break; + } + YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc); + + YYPOPSTACK (yylen); + yylen = 0; + YY_STACK_PRINT (yyss, yyssp); + + *++yyvsp = yyval; + *++yylsp = yyloc; + + /* Now `shift' the result of the reduction. Determine what state + that goes to, based on the state we popped back to and the rule + number reduced by. */ + + yyn = yyr1[yyn]; + + yystate = yypgoto[yyn - YYNTOKENS] + *yyssp; + if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp) + yystate = yytable[yystate]; + else + yystate = yydefgoto[yyn - YYNTOKENS]; + + goto yynewstate; + + +/*------------------------------------. +| yyerrlab -- here on detecting error | +`------------------------------------*/ +yyerrlab: + /* If not already recovering from an error, report this error. */ + if (!yyerrstatus) + { + ++yynerrs; +#if ! YYERROR_VERBOSE + yyerror (&yylloc, parser, YY_("syntax error")); +#else + { + YYSIZE_T yysize = yysyntax_error (0, yystate, yychar); + if (yymsg_alloc < yysize && yymsg_alloc < YYSTACK_ALLOC_MAXIMUM) + { + YYSIZE_T yyalloc = 2 * yysize; + if (! (yysize <= yyalloc && yyalloc <= YYSTACK_ALLOC_MAXIMUM)) + yyalloc = YYSTACK_ALLOC_MAXIMUM; + if (yymsg != yymsgbuf) + YYSTACK_FREE (yymsg); + yymsg = (char *) YYSTACK_ALLOC (yyalloc); + if (yymsg) + yymsg_alloc = yyalloc; + else + { + yymsg = yymsgbuf; + yymsg_alloc = sizeof yymsgbuf; + } + } + + if (0 < yysize && yysize <= yymsg_alloc) + { + (void) yysyntax_error (yymsg, yystate, yychar); + yyerror (&yylloc, parser, yymsg); + } + else + { + yyerror (&yylloc, parser, YY_("syntax error")); + if (yysize != 0) + goto yyexhaustedlab; + } + } +#endif + } + + yyerror_range[1] = yylloc; + + if (yyerrstatus == 3) + { + /* If just tried and failed to reuse lookahead token after an + error, discard it. */ + + if (yychar <= YYEOF) + { + /* Return failure if at end of input. */ + if (yychar == YYEOF) + YYABORT; + } + else + { + yydestruct ("Error: discarding", + yytoken, &yylval, &yylloc, parser); + yychar = YYEMPTY; + } + } + + /* Else will try to reuse lookahead token after shifting the error + token. */ + goto yyerrlab1; + + +/*---------------------------------------------------. +| yyerrorlab -- error raised explicitly by YYERROR. | +`---------------------------------------------------*/ +yyerrorlab: + + /* Pacify compilers like GCC when the user code never invokes + YYERROR and the label yyerrorlab therefore never appears in user + code. */ + if (/*CONSTCOND*/ 0) + goto yyerrorlab; + + yyerror_range[1] = yylsp[1-yylen]; + /* Do not reclaim the symbols of the rule which action triggered + this YYERROR. */ + YYPOPSTACK (yylen); + yylen = 0; + YY_STACK_PRINT (yyss, yyssp); + yystate = *yyssp; + goto yyerrlab1; + + +/*-------------------------------------------------------------. +| yyerrlab1 -- common code for both syntax error and YYERROR. | +`-------------------------------------------------------------*/ +yyerrlab1: + yyerrstatus = 3; /* Each real token shifted decrements this. */ + + for (;;) + { + yyn = yypact[yystate]; + if (yyn != YYPACT_NINF) + { + yyn += YYTERROR; + if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR) + { + yyn = yytable[yyn]; + if (0 < yyn) + break; + } + } + + /* Pop the current state because it cannot handle the error token. */ + if (yyssp == yyss) + YYABORT; + + yyerror_range[1] = *yylsp; + yydestruct ("Error: popping", + yystos[yystate], yyvsp, yylsp, parser); + YYPOPSTACK (1); + yystate = *yyssp; + YY_STACK_PRINT (yyss, yyssp); + } + + *++yyvsp = yylval; + + yyerror_range[2] = yylloc; + /* Using YYLLOC is tempting, but would change the location of + the lookahead. YYLOC is available though. */ + YYLLOC_DEFAULT (yyloc, yyerror_range, 2); + *++yylsp = yyloc; + + /* Shift the error token. */ + YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp); + + yystate = yyn; + goto yynewstate; + + +/*-------------------------------------. +| yyacceptlab -- YYACCEPT comes here. | +`-------------------------------------*/ +yyacceptlab: + yyresult = 0; + goto yyreturn; + +/*-----------------------------------. +| yyabortlab -- YYABORT comes here. | +`-----------------------------------*/ +yyabortlab: + yyresult = 1; + goto yyreturn; + +#if !defined(yyoverflow) || YYERROR_VERBOSE +/*-------------------------------------------------. +| yyexhaustedlab -- memory exhaustion comes here. | +`-------------------------------------------------*/ +yyexhaustedlab: + yyerror (&yylloc, parser, YY_("memory exhausted")); + yyresult = 2; + /* Fall through. */ +#endif + +yyreturn: + if (yychar != YYEMPTY) + yydestruct ("Cleanup: discarding lookahead", + yytoken, &yylval, &yylloc, parser); + /* Do not reclaim the symbols of the rule which action triggered + this YYABORT or YYACCEPT. */ + YYPOPSTACK (yylen); + YY_STACK_PRINT (yyss, yyssp); + while (yyssp != yyss) + { + yydestruct ("Cleanup: popping", + yystos[*yyssp], yyvsp, yylsp, parser); + YYPOPSTACK (1); + } +#ifndef yyoverflow + if (yyss != yyssa) + YYSTACK_FREE (yyss); +#endif +#if YYERROR_VERBOSE + if (yymsg != yymsgbuf) + YYSTACK_FREE (yymsg); +#endif + /* Make sure YYID is used. */ + return YYID (yyresult); +} + + + +/* Line 1684 of yacc.c */ +#line 555 "glcpp/glcpp-parse.y" + + +string_list_t * +_string_list_create (void *ctx) +{ + string_list_t *list; + + list = talloc (ctx, string_list_t); + list->head = NULL; + list->tail = NULL; + + return list; +} + +void +_string_list_append_item (string_list_t *list, const char *str) +{ + string_node_t *node; + + node = talloc (list, string_node_t); + node->str = talloc_strdup (node, str); + + node->next = NULL; + + if (list->head == NULL) { + list->head = node; + } else { + list->tail->next = node; + } + + list->tail = node; +} + +int +_string_list_contains (string_list_t *list, const char *member, int *index) +{ + string_node_t *node; + int i; + + if (list == NULL) + return 0; + + for (i = 0, node = list->head; node; i++, node = node->next) { + if (strcmp (node->str, member) == 0) { + if (index) + *index = i; + return 1; + } + } + + return 0; +} + +int +_string_list_length (string_list_t *list) +{ + int length = 0; + string_node_t *node; + + if (list == NULL) + return 0; + + for (node = list->head; node; node = node->next) + length++; + + return length; +} + +int +_string_list_equal (string_list_t *a, string_list_t *b) +{ + string_node_t *node_a, *node_b; + + if (a == NULL && b == NULL) + return 1; + + if (a == NULL || b == NULL) + return 0; + + for (node_a = a->head, node_b = b->head; + node_a && node_b; + node_a = node_a->next, node_b = node_b->next) + { + if (strcmp (node_a->str, node_b->str)) + return 0; + } + + /* Catch the case of lists being different lengths, (which + * would cause the loop above to terminate after the shorter + * list). */ + return node_a == node_b; +} + +argument_list_t * +_argument_list_create (void *ctx) +{ + argument_list_t *list; + + list = talloc (ctx, argument_list_t); + list->head = NULL; + list->tail = NULL; + + return list; +} + +void +_argument_list_append (argument_list_t *list, token_list_t *argument) +{ + argument_node_t *node; + + node = talloc (list, argument_node_t); + node->argument = argument; + + node->next = NULL; + + if (list->head == NULL) { + list->head = node; + } else { + list->tail->next = node; + } + + list->tail = node; +} + +int +_argument_list_length (argument_list_t *list) +{ + int length = 0; + argument_node_t *node; + + if (list == NULL) + return 0; + + for (node = list->head; node; node = node->next) + length++; + + return length; +} + +token_list_t * +_argument_list_member_at (argument_list_t *list, int index) +{ + argument_node_t *node; + int i; + + if (list == NULL) + return NULL; + + node = list->head; + for (i = 0; i < index; i++) { + node = node->next; + if (node == NULL) + break; + } + + if (node) + return node->argument; + + return NULL; +} + +/* Note: This function talloc_steal()s the str pointer. */ +token_t * +_token_create_str (void *ctx, int type, char *str) +{ + token_t *token; + + token = talloc (ctx, token_t); + token->type = type; + token->value.str = talloc_steal (token, str); + + return token; +} + +token_t * +_token_create_ival (void *ctx, int type, int ival) +{ + token_t *token; + + token = talloc (ctx, token_t); + token->type = type; + token->value.ival = ival; + + return token; +} + +token_list_t * +_token_list_create (void *ctx) +{ + token_list_t *list; + + list = talloc (ctx, token_list_t); + list->head = NULL; + list->tail = NULL; + list->non_space_tail = NULL; + + return list; +} + +void +_token_list_append (token_list_t *list, token_t *token) +{ + token_node_t *node; + + node = talloc (list, token_node_t); + node->token = talloc_steal (list, token); + + node->next = NULL; + + if (list->head == NULL) { + list->head = node; + } else { + list->tail->next = node; + } + + list->tail = node; + if (token->type != SPACE) + list->non_space_tail = node; +} + +void +_token_list_append_list (token_list_t *list, token_list_t *tail) +{ + if (tail == NULL || tail->head == NULL) + return; + + if (list->head == NULL) { + list->head = tail->head; + } else { + list->tail->next = tail->head; + } + + list->tail = tail->tail; + list->non_space_tail = tail->non_space_tail; +} + +static token_list_t * +_token_list_copy (void *ctx, token_list_t *other) +{ + token_list_t *copy; + token_node_t *node; + + if (other == NULL) + return NULL; + + copy = _token_list_create (ctx); + for (node = other->head; node; node = node->next) { + token_t *new_token = talloc (copy, token_t); + *new_token = *node->token; + _token_list_append (copy, new_token); + } + + return copy; +} + +static void +_token_list_trim_trailing_space (token_list_t *list) +{ + token_node_t *tail, *next; + + if (list->non_space_tail) { + tail = list->non_space_tail->next; + list->non_space_tail->next = NULL; + list->tail = list->non_space_tail; + + while (tail) { + next = tail->next; + talloc_free (tail); + tail = next; + } + } +} + +int +_token_list_is_empty_ignoring_space (token_list_t *l) +{ + token_node_t *n; + + if (l == NULL) + return 1; + + n = l->head; + while (n != NULL && n->token->type == SPACE) + n = n->next; + + return n == NULL; +} + +int +_token_list_equal_ignoring_space (token_list_t *a, token_list_t *b) +{ + token_node_t *node_a, *node_b; + + if (a == NULL || b == NULL) { + int a_empty = _token_list_is_empty_ignoring_space(a); + int b_empty = _token_list_is_empty_ignoring_space(b); + return a_empty == b_empty; + } + + node_a = a->head; + node_b = b->head; + + while (1) + { + if (node_a == NULL && node_b == NULL) + break; + + if (node_a == NULL || node_b == NULL) + return 0; + + if (node_a->token->type == SPACE) { + node_a = node_a->next; + continue; + } + + if (node_b->token->type == SPACE) { + node_b = node_b->next; + continue; + } + + if (node_a->token->type != node_b->token->type) + return 0; + + switch (node_a->token->type) { + case INTEGER: + if (node_a->token->value.ival != + node_b->token->value.ival) + { + return 0; + } + break; + case IDENTIFIER: + case INTEGER_STRING: + case OTHER: + if (strcmp (node_a->token->value.str, + node_b->token->value.str)) + { + return 0; + } + break; + } + + node_a = node_a->next; + node_b = node_b->next; + } + + return 1; +} + +static void +_token_print (char **out, token_t *token) +{ + if (token->type < 256) { + glcpp_printf (*out, "%c", token->type); + return; + } + + switch (token->type) { + case INTEGER: + glcpp_printf (*out, "%" PRIiMAX, token->value.ival); + break; + case IDENTIFIER: + case INTEGER_STRING: + case OTHER: + glcpp_print (*out, token->value.str); + break; + case SPACE: + glcpp_print (*out, " "); + break; + case LEFT_SHIFT: + glcpp_print (*out, "<<"); + break; + case RIGHT_SHIFT: + glcpp_print (*out, ">>"); + break; + case LESS_OR_EQUAL: + glcpp_print (*out, "<="); + break; + case GREATER_OR_EQUAL: + glcpp_print (*out, ">="); + break; + case EQUAL: + glcpp_print (*out, "=="); + break; + case NOT_EQUAL: + glcpp_print (*out, "!="); + break; + case AND: + glcpp_print (*out, "&&"); + break; + case OR: + glcpp_print (*out, "||"); + break; + case PASTE: + glcpp_print (*out, "##"); + break; + case COMMA_FINAL: + glcpp_print (*out, ","); + break; + case PLACEHOLDER: + /* Nothing to print. */ + break; + default: + assert(!"Error: Don't know how to print token."); + break; + } +} + +/* Return a new token (talloc()ed off of 'token') formed by pasting + * 'token' and 'other'. Note that this function may return 'token' or + * 'other' directly rather than allocating anything new. + * + * Caution: Only very cursory error-checking is performed to see if + * the final result is a valid single token. */ +static token_t * +_token_paste (glcpp_parser_t *parser, token_t *token, token_t *other) +{ + token_t *combined = NULL; + + /* Pasting a placeholder onto anything makes no change. */ + if (other->type == PLACEHOLDER) + return token; + + /* When 'token' is a placeholder, just return 'other'. */ + if (token->type == PLACEHOLDER) + return other; + + /* A very few single-character punctuators can be combined + * with another to form a multi-character punctuator. */ + switch (token->type) { + case '<': + if (other->type == '<') + combined = _token_create_ival (token, LEFT_SHIFT, LEFT_SHIFT); + else if (other->type == '=') + combined = _token_create_ival (token, LESS_OR_EQUAL, LESS_OR_EQUAL); + break; + case '>': + if (other->type == '>') + combined = _token_create_ival (token, RIGHT_SHIFT, RIGHT_SHIFT); + else if (other->type == '=') + combined = _token_create_ival (token, GREATER_OR_EQUAL, GREATER_OR_EQUAL); + break; + case '=': + if (other->type == '=') + combined = _token_create_ival (token, EQUAL, EQUAL); + break; + case '!': + if (other->type == '=') + combined = _token_create_ival (token, NOT_EQUAL, NOT_EQUAL); + break; + case '&': + if (other->type == '&') + combined = _token_create_ival (token, AND, AND); + break; + case '|': + if (other->type == '|') + combined = _token_create_ival (token, OR, OR); + break; + } + + if (combined != NULL) { + /* Inherit the location from the first token */ + combined->location = token->location; + return combined; + } + + /* Two string-valued tokens can usually just be mashed + * together. + * + * XXX: This isn't actually legitimate. Several things here + * should result in a diagnostic since the result cannot be a + * valid, single pre-processing token. For example, pasting + * "123" and "abc" is not legal, but we don't catch that + * here. */ + if ((token->type == IDENTIFIER || token->type == OTHER || token->type == INTEGER_STRING) && + (other->type == IDENTIFIER || other->type == OTHER || other->type == INTEGER_STRING)) + { + char *str; + + str = talloc_asprintf (token, "%s%s", token->value.str, + other->value.str); + combined = _token_create_str (token, token->type, str); + combined->location = token->location; + return combined; + } + + glcpp_error (&token->location, parser, ""); + glcpp_print (parser->info_log, "Pasting \""); + _token_print (&parser->info_log, token); + glcpp_print (parser->info_log, "\" and \""); + _token_print (&parser->info_log, other); + glcpp_print (parser->info_log, "\" does not give a valid preprocessing token.\n"); + + return token; +} + +static void +_token_list_print (glcpp_parser_t *parser, token_list_t *list) +{ + token_node_t *node; + + if (list == NULL) + return; + + for (node = list->head; node; node = node->next) + _token_print (&parser->output, node->token); +} + +void +yyerror (YYLTYPE *locp, glcpp_parser_t *parser, const char *error) +{ + glcpp_error(locp, parser, "%s", error); +} + +static void add_builtin_define(glcpp_parser_t *parser, + const char *name, int value) +{ + token_t *tok; + token_list_t *list; + + tok = _token_create_ival (parser, INTEGER, value); + + list = _token_list_create(parser); + _token_list_append(list, tok); + _define_object_macro(parser, NULL, name, list); +} + +glcpp_parser_t * +glcpp_parser_create (const struct gl_extensions *extensions, int api) +{ + glcpp_parser_t *parser; + int language_version; + + parser = talloc (NULL, glcpp_parser_t); + + glcpp_lex_init_extra (parser, &parser->scanner); + parser->defines = hash_table_ctor (32, hash_table_string_hash, + hash_table_string_compare); + parser->active = NULL; + parser->lexing_if = 0; + parser->space_tokens = 1; + parser->newline_as_space = 0; + parser->in_control_line = 0; + parser->paren_count = 0; + + parser->skip_stack = NULL; + + parser->lex_from_list = NULL; + parser->lex_from_node = NULL; + + parser->output = talloc_strdup(parser, ""); + parser->info_log = talloc_strdup(parser, ""); + parser->error = 0; + + /* Add pre-defined macros. */ + add_builtin_define(parser, "GL_ARB_draw_buffers", 1); + add_builtin_define(parser, "GL_ARB_texture_rectangle", 1); + + if (api == API_OPENGLES2) + add_builtin_define(parser, "GL_ES", 1); + + if (extensions != NULL) { + if (extensions->EXT_texture_array) { + add_builtin_define(parser, "GL_EXT_texture_array", 1); + } + + if (extensions->ARB_fragment_coord_conventions) + add_builtin_define(parser, "GL_ARB_fragment_coord_conventions", + 1); + + if (extensions->ARB_explicit_attrib_location) + add_builtin_define(parser, "GL_ARB_explicit_attrib_location", 1); + if (extensions->AMD_conservative_depth) + add_builtin_define(parser, "GL_AMD_conservative_depth", 1); + } + + language_version = 110; + add_builtin_define(parser, "__VERSION__", language_version); + + return parser; +} + +int +glcpp_parser_parse (glcpp_parser_t *parser) +{ + return yyparse (parser); +} + +void +glcpp_parser_destroy (glcpp_parser_t *parser) +{ + glcpp_lex_destroy (parser->scanner); + hash_table_dtor (parser->defines); + talloc_free (parser); +} + +typedef enum function_status +{ + FUNCTION_STATUS_SUCCESS, + FUNCTION_NOT_A_FUNCTION, + FUNCTION_UNBALANCED_PARENTHESES +} function_status_t; + +/* Find a set of function-like macro arguments by looking for a + * balanced set of parentheses. + * + * When called, 'node' should be the opening-parenthesis token, (or + * perhaps preceeding SPACE tokens). Upon successful return *last will + * be the last consumed node, (corresponding to the closing right + * parenthesis). + * + * Return values: + * + * FUNCTION_STATUS_SUCCESS: + * + * Successfully parsed a set of function arguments. + * + * FUNCTION_NOT_A_FUNCTION: + * + * Macro name not followed by a '('. This is not an error, but + * simply that the macro name should be treated as a non-macro. + * + * FUNCTION_UNBALANCED_PARENTHESES + * + * Macro name is not followed by a balanced set of parentheses. + */ +static function_status_t +_arguments_parse (argument_list_t *arguments, + token_node_t *node, + token_node_t **last) +{ + token_list_t *argument; + int paren_count; + + node = node->next; + + /* Ignore whitespace before first parenthesis. */ + while (node && node->token->type == SPACE) + node = node->next; + + if (node == NULL || node->token->type != '(') + return FUNCTION_NOT_A_FUNCTION; + + node = node->next; + + argument = _token_list_create (arguments); + _argument_list_append (arguments, argument); + + for (paren_count = 1; node; node = node->next) { + if (node->token->type == '(') + { + paren_count++; + } + else if (node->token->type == ')') + { + paren_count--; + if (paren_count == 0) + break; + } + + if (node->token->type == ',' && + paren_count == 1) + { + _token_list_trim_trailing_space (argument); + argument = _token_list_create (arguments); + _argument_list_append (arguments, argument); + } + else { + if (argument->head == NULL) { + /* Don't treat initial whitespace as + * part of the arguement. */ + if (node->token->type == SPACE) + continue; + } + _token_list_append (argument, node->token); + } + } + + if (paren_count) + return FUNCTION_UNBALANCED_PARENTHESES; + + *last = node; + + return FUNCTION_STATUS_SUCCESS; +} + +static token_list_t * +_token_list_create_with_one_space (void *ctx) +{ + token_list_t *list; + token_t *space; + + list = _token_list_create (ctx); + space = _token_create_ival (list, SPACE, SPACE); + _token_list_append (list, space); + + return list; +} + +static void +_glcpp_parser_expand_if (glcpp_parser_t *parser, int type, token_list_t *list) +{ + token_list_t *expanded; + token_t *token; + + expanded = _token_list_create (parser); + token = _token_create_ival (parser, type, type); + _token_list_append (expanded, token); + _glcpp_parser_expand_token_list (parser, list); + _token_list_append_list (expanded, list); + glcpp_parser_lex_from (parser, expanded); +} + +/* This is a helper function that's essentially part of the + * implementation of _glcpp_parser_expand_node. It shouldn't be called + * except for by that function. + * + * Returns NULL if node is a simple token with no expansion, (that is, + * although 'node' corresponds to an identifier defined as a + * function-like macro, it is not followed with a parenthesized + * argument list). + * + * Compute the complete expansion of node (which is a function-like + * macro) and subsequent nodes which are arguments. + * + * Returns the token list that results from the expansion and sets + * *last to the last node in the list that was consumed by the + * expansion. Specifically, *last will be set as follows: as the + * token of the closing right parenthesis. + */ +static token_list_t * +_glcpp_parser_expand_function (glcpp_parser_t *parser, + token_node_t *node, + token_node_t **last) + +{ + macro_t *macro; + const char *identifier; + argument_list_t *arguments; + function_status_t status; + token_list_t *substituted; + int parameter_index; + + identifier = node->token->value.str; + + macro = hash_table_find (parser->defines, identifier); + + assert (macro->is_function); + + arguments = _argument_list_create (parser); + status = _arguments_parse (arguments, node, last); + + switch (status) { + case FUNCTION_STATUS_SUCCESS: + break; + case FUNCTION_NOT_A_FUNCTION: + return NULL; + case FUNCTION_UNBALANCED_PARENTHESES: + glcpp_error (&node->token->location, parser, "Macro %s call has unbalanced parentheses\n", identifier); + return NULL; + } + + /* Replace a macro defined as empty with a SPACE token. */ + if (macro->replacements == NULL) { + talloc_free (arguments); + return _token_list_create_with_one_space (parser); + } + + if (! ((_argument_list_length (arguments) == + _string_list_length (macro->parameters)) || + (_string_list_length (macro->parameters) == 0 && + _argument_list_length (arguments) == 1 && + arguments->head->argument->head == NULL))) + { + glcpp_error (&node->token->location, parser, + "Error: macro %s invoked with %d arguments (expected %d)\n", + identifier, + _argument_list_length (arguments), + _string_list_length (macro->parameters)); + return NULL; + } + + /* Perform argument substitution on the replacement list. */ + substituted = _token_list_create (arguments); + + for (node = macro->replacements->head; node; node = node->next) + { + if (node->token->type == IDENTIFIER && + _string_list_contains (macro->parameters, + node->token->value.str, + ¶meter_index)) + { + token_list_t *argument; + argument = _argument_list_member_at (arguments, + parameter_index); + /* Before substituting, we expand the argument + * tokens, or append a placeholder token for + * an empty argument. */ + if (argument->head) { + token_list_t *expanded_argument; + expanded_argument = _token_list_copy (parser, + argument); + _glcpp_parser_expand_token_list (parser, + expanded_argument); + _token_list_append_list (substituted, + expanded_argument); + } else { + token_t *new_token; + + new_token = _token_create_ival (substituted, + PLACEHOLDER, + PLACEHOLDER); + _token_list_append (substituted, new_token); + } + } else { + _token_list_append (substituted, node->token); + } + } + + /* After argument substitution, and before further expansion + * below, implement token pasting. */ + + _token_list_trim_trailing_space (substituted); + + node = substituted->head; + while (node) + { + token_node_t *next_non_space; + + /* Look ahead for a PASTE token, skipping space. */ + next_non_space = node->next; + while (next_non_space && next_non_space->token->type == SPACE) + next_non_space = next_non_space->next; + + if (next_non_space == NULL) + break; + + if (next_non_space->token->type != PASTE) { + node = next_non_space; + continue; + } + + /* Now find the next non-space token after the PASTE. */ + next_non_space = next_non_space->next; + while (next_non_space && next_non_space->token->type == SPACE) + next_non_space = next_non_space->next; + + if (next_non_space == NULL) { + yyerror (&node->token->location, parser, "'##' cannot appear at either end of a macro expansion\n"); + return NULL; + } + + node->token = _token_paste (parser, node->token, next_non_space->token); + node->next = next_non_space->next; + if (next_non_space == substituted->tail) + substituted->tail = node; + + node = node->next; + } + + substituted->non_space_tail = substituted->tail; + + return substituted; +} + +/* Compute the complete expansion of node, (and subsequent nodes after + * 'node' in the case that 'node' is a function-like macro and + * subsequent nodes are arguments). + * + * Returns NULL if node is a simple token with no expansion. + * + * Otherwise, returns the token list that results from the expansion + * and sets *last to the last node in the list that was consumed by + * the expansion. Specifically, *last will be set as follows: + * + * As 'node' in the case of object-like macro expansion. + * + * As the token of the closing right parenthesis in the case of + * function-like macro expansion. + */ +static token_list_t * +_glcpp_parser_expand_node (glcpp_parser_t *parser, + token_node_t *node, + token_node_t **last) +{ + token_t *token = node->token; + const char *identifier; + macro_t *macro; + + /* We only expand identifiers */ + if (token->type != IDENTIFIER) { + /* We change any COMMA into a COMMA_FINAL to prevent + * it being mistaken for an argument separator + * later. */ + if (token->type == ',') { + token->type = COMMA_FINAL; + token->value.ival = COMMA_FINAL; + } + + return NULL; + } + + /* Look up this identifier in the hash table. */ + identifier = token->value.str; + macro = hash_table_find (parser->defines, identifier); + + /* Not a macro, so no expansion needed. */ + if (macro == NULL) + return NULL; + + /* Finally, don't expand this macro if we're already actively + * expanding it, (to avoid infinite recursion). */ + if (_active_list_contains (parser->active, identifier)) { + /* We change the token type here from IDENTIFIER to + * OTHER to prevent any future expansion of this + * unexpanded token. */ + char *str; + token_list_t *expansion; + token_t *final; + + str = talloc_strdup (parser, token->value.str); + final = _token_create_str (parser, OTHER, str); + expansion = _token_list_create (parser); + _token_list_append (expansion, final); + *last = node; + return expansion; + } + + if (! macro->is_function) + { + *last = node; + + /* Replace a macro defined as empty with a SPACE token. */ + if (macro->replacements == NULL) + return _token_list_create_with_one_space (parser); + + return _token_list_copy (parser, macro->replacements); + } + + return _glcpp_parser_expand_function (parser, node, last); +} + +/* Push a new identifier onto the active list, returning the new list. + * + * Here, 'marker' is the token node that appears in the list after the + * expansion of 'identifier'. That is, when the list iterator begins + * examinging 'marker', then it is time to pop this node from the + * active stack. + */ +active_list_t * +_active_list_push (active_list_t *list, + const char *identifier, + token_node_t *marker) +{ + active_list_t *node; + + node = talloc (list, active_list_t); + node->identifier = talloc_strdup (node, identifier); + node->marker = marker; + node->next = list; + + return node; +} + +active_list_t * +_active_list_pop (active_list_t *list) +{ + active_list_t *node = list; + + if (node == NULL) + return NULL; + + node = list->next; + talloc_free (list); + + return node; +} + +int +_active_list_contains (active_list_t *list, const char *identifier) +{ + active_list_t *node; + + if (list == NULL) + return 0; + + for (node = list; node; node = node->next) + if (strcmp (node->identifier, identifier) == 0) + return 1; + + return 0; +} + +/* Walk over the token list replacing nodes with their expansion. + * Whenever nodes are expanded the walking will walk over the new + * nodes, continuing to expand as necessary. The results are placed in + * 'list' itself; + */ +static void +_glcpp_parser_expand_token_list (glcpp_parser_t *parser, + token_list_t *list) +{ + token_node_t *node_prev; + token_node_t *node, *last = NULL; + token_list_t *expansion; + + if (list == NULL) + return; + + _token_list_trim_trailing_space (list); + + node_prev = NULL; + node = list->head; + + while (node) { + + while (parser->active && parser->active->marker == node) + parser->active = _active_list_pop (parser->active); + + /* Find the expansion for node, which will replace all + * nodes from node to last, inclusive. */ + expansion = _glcpp_parser_expand_node (parser, node, &last); + if (expansion) { + token_node_t *n; + + for (n = node; n != last->next; n = n->next) + while (parser->active && + parser->active->marker == n) + { + parser->active = _active_list_pop (parser->active); + } + + parser->active = _active_list_push (parser->active, + node->token->value.str, + last->next); + + /* Splice expansion into list, supporting a + * simple deletion if the expansion is + * empty. */ + if (expansion->head) { + if (node_prev) + node_prev->next = expansion->head; + else + list->head = expansion->head; + expansion->tail->next = last->next; + if (last == list->tail) + list->tail = expansion->tail; + } else { + if (node_prev) + node_prev->next = last->next; + else + list->head = last->next; + if (last == list->tail) + list->tail = NULL; + } + } else { + node_prev = node; + } + node = node_prev ? node_prev->next : list->head; + } + + while (parser->active) + parser->active = _active_list_pop (parser->active); + + list->non_space_tail = list->tail; +} + +void +_glcpp_parser_print_expanded_token_list (glcpp_parser_t *parser, + token_list_t *list) +{ + if (list == NULL) + return; + + _glcpp_parser_expand_token_list (parser, list); + + _token_list_trim_trailing_space (list); + + _token_list_print (parser, list); +} + +static void +_check_for_reserved_macro_name (glcpp_parser_t *parser, YYLTYPE *loc, + const char *identifier) +{ + /* According to the GLSL specification, macro names starting with "__" + * or "GL_" are reserved for future use. So, don't allow them. + */ + if (strncmp(identifier, "__", 2) == 0) { + glcpp_error (loc, parser, "Macro names starting with \"__\" are reserved.\n"); + } + if (strncmp(identifier, "GL_", 3) == 0) { + glcpp_error (loc, parser, "Macro names starting with \"GL_\" are reserved.\n"); + } +} + +static int +_macro_equal (macro_t *a, macro_t *b) +{ + if (a->is_function != b->is_function) + return 0; + + if (a->is_function) { + if (! _string_list_equal (a->parameters, b->parameters)) + return 0; + } + + return _token_list_equal_ignoring_space (a->replacements, + b->replacements); +} + +void +_define_object_macro (glcpp_parser_t *parser, + YYLTYPE *loc, + const char *identifier, + token_list_t *replacements) +{ + macro_t *macro, *previous; + + if (loc != NULL) + _check_for_reserved_macro_name(parser, loc, identifier); + + macro = talloc (parser, macro_t); + + macro->is_function = 0; + macro->parameters = NULL; + macro->identifier = talloc_strdup (macro, identifier); + macro->replacements = talloc_steal (macro, replacements); + + previous = hash_table_find (parser->defines, identifier); + if (previous) { + if (_macro_equal (macro, previous)) { + talloc_free (macro); + return; + } + glcpp_error (loc, parser, "Redefinition of macro %s\n", + identifier); + } + + hash_table_insert (parser->defines, macro, identifier); +} + +void +_define_function_macro (glcpp_parser_t *parser, + YYLTYPE *loc, + const char *identifier, + string_list_t *parameters, + token_list_t *replacements) +{ + macro_t *macro, *previous; + + _check_for_reserved_macro_name(parser, loc, identifier); + + macro = talloc (parser, macro_t); + + macro->is_function = 1; + macro->parameters = talloc_steal (macro, parameters); + macro->identifier = talloc_strdup (macro, identifier); + macro->replacements = talloc_steal (macro, replacements); + + previous = hash_table_find (parser->defines, identifier); + if (previous) { + if (_macro_equal (macro, previous)) { + talloc_free (macro); + return; + } + glcpp_error (loc, parser, "Redefinition of macro %s\n", + identifier); + } + + hash_table_insert (parser->defines, macro, identifier); +} + +static int +glcpp_parser_lex (YYSTYPE *yylval, YYLTYPE *yylloc, glcpp_parser_t *parser) +{ + token_node_t *node; + int ret; + + if (parser->lex_from_list == NULL) { + ret = glcpp_lex (yylval, yylloc, parser->scanner); + + /* XXX: This ugly block of code exists for the sole + * purpose of converting a NEWLINE token into a SPACE + * token, but only in the case where we have seen a + * function-like macro name, but have not yet seen its + * closing parenthesis. + * + * There's perhaps a more compact way to do this with + * mid-rule actions in the grammar. + * + * I'm definitely not pleased with the complexity of + * this code here. + */ + if (parser->newline_as_space) + { + if (ret == '(') { + parser->paren_count++; + } else if (ret == ')') { + parser->paren_count--; + if (parser->paren_count == 0) + parser->newline_as_space = 0; + } else if (ret == NEWLINE) { + ret = SPACE; + } else if (ret != SPACE) { + if (parser->paren_count == 0) + parser->newline_as_space = 0; + } + } + else if (parser->in_control_line) + { + if (ret == NEWLINE) + parser->in_control_line = 0; + } + else if (ret == HASH_DEFINE_OBJ || ret == HASH_DEFINE_FUNC || + ret == HASH_UNDEF || ret == HASH_IF || + ret == HASH_IFDEF || ret == HASH_IFNDEF || + ret == HASH_ELIF || ret == HASH_ELSE || + ret == HASH_ENDIF || ret == HASH) + { + parser->in_control_line = 1; + } + else if (ret == IDENTIFIER) + { + macro_t *macro; + macro = hash_table_find (parser->defines, + yylval->str); + if (macro && macro->is_function) { + parser->newline_as_space = 1; + parser->paren_count = 0; + } + } + + return ret; + } + + node = parser->lex_from_node; + + if (node == NULL) { + talloc_free (parser->lex_from_list); + parser->lex_from_list = NULL; + return NEWLINE; + } + + *yylval = node->token->value; + ret = node->token->type; + + parser->lex_from_node = node->next; + + return ret; +} + +static void +glcpp_parser_lex_from (glcpp_parser_t *parser, token_list_t *list) +{ + token_node_t *node; + + assert (parser->lex_from_list == NULL); + + /* Copy list, eliminating any space tokens. */ + parser->lex_from_list = _token_list_create (parser); + + for (node = list->head; node; node = node->next) { + if (node->token->type == SPACE) + continue; + _token_list_append (parser->lex_from_list, node->token); + } + + talloc_free (list); + + parser->lex_from_node = parser->lex_from_list->head; + + /* It's possible the list consisted of nothing but whitespace. */ + if (parser->lex_from_node == NULL) { + talloc_free (parser->lex_from_list); + parser->lex_from_list = NULL; + } +} + +static void +_glcpp_parser_skip_stack_push_if (glcpp_parser_t *parser, YYLTYPE *loc, + int condition) +{ + skip_type_t current = SKIP_NO_SKIP; + skip_node_t *node; + + if (parser->skip_stack) + current = parser->skip_stack->type; + + node = talloc (parser, skip_node_t); + node->loc = *loc; + + if (current == SKIP_NO_SKIP) { + if (condition) + node->type = SKIP_NO_SKIP; + else + node->type = SKIP_TO_ELSE; + } else { + node->type = SKIP_TO_ENDIF; + } + + node->next = parser->skip_stack; + parser->skip_stack = node; +} + +static void +_glcpp_parser_skip_stack_change_if (glcpp_parser_t *parser, YYLTYPE *loc, + const char *type, int condition) +{ + if (parser->skip_stack == NULL) { + glcpp_error (loc, parser, "%s without #if\n", type); + return; + } + + if (parser->skip_stack->type == SKIP_TO_ELSE) { + if (condition) + parser->skip_stack->type = SKIP_NO_SKIP; + } else { + parser->skip_stack->type = SKIP_TO_ENDIF; + } +} + +static void +_glcpp_parser_skip_stack_pop (glcpp_parser_t *parser, YYLTYPE *loc) +{ + skip_node_t *node; + + if (parser->skip_stack == NULL) { + glcpp_error (loc, parser, "#endif without #if\n"); + return; + } + + node = parser->skip_stack; + parser->skip_stack = node->next; + talloc_free (node); +} + diff --git a/mesalib/src/glsl/glcpp/glcpp-parse.y b/mesalib/src/glsl/glcpp/glcpp-parse.y index a64d6691c..b449eb288 100644 --- a/mesalib/src/glsl/glcpp/glcpp-parse.y +++ b/mesalib/src/glsl/glcpp/glcpp-parse.y @@ -1,1888 +1,1890 @@ -%{ -/* - * Copyright © 2010 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - */ - -#include -#include -#include -#include -#include - -#include "glcpp.h" -#include "main/core.h" /* for struct gl_extensions */ -#include "main/mtypes.h" /* for gl_api enum */ - -#define glcpp_print(stream, str) stream = talloc_strdup_append(stream, str) -#define glcpp_printf(stream, fmt, args, ...) \ - stream = talloc_asprintf_append(stream, fmt, args) - -static void -yyerror (YYLTYPE *locp, glcpp_parser_t *parser, const char *error); - -static void -_define_object_macro (glcpp_parser_t *parser, - YYLTYPE *loc, - const char *macro, - token_list_t *replacements); - -static void -_define_function_macro (glcpp_parser_t *parser, - YYLTYPE *loc, - const char *macro, - string_list_t *parameters, - token_list_t *replacements); - -static string_list_t * -_string_list_create (void *ctx); - -static void -_string_list_append_item (string_list_t *list, const char *str); - -static int -_string_list_contains (string_list_t *list, const char *member, int *index); - -static int -_string_list_length (string_list_t *list); - -static int -_string_list_equal (string_list_t *a, string_list_t *b); - -static argument_list_t * -_argument_list_create (void *ctx); - -static void -_argument_list_append (argument_list_t *list, token_list_t *argument); - -static int -_argument_list_length (argument_list_t *list); - -static token_list_t * -_argument_list_member_at (argument_list_t *list, int index); - -/* Note: This function talloc_steal()s the str pointer. */ -static token_t * -_token_create_str (void *ctx, int type, char *str); - -static token_t * -_token_create_ival (void *ctx, int type, int ival); - -static token_list_t * -_token_list_create (void *ctx); - -/* Note: This function calls talloc_steal on token. */ -static void -_token_list_append (token_list_t *list, token_t *token); - -static void -_token_list_append_list (token_list_t *list, token_list_t *tail); - -static int -_token_list_equal_ignoring_space (token_list_t *a, token_list_t *b); - -static active_list_t * -_active_list_push (active_list_t *list, - const char *identifier, - token_node_t *marker); - -static active_list_t * -_active_list_pop (active_list_t *list); - -int -_active_list_contains (active_list_t *list, const char *identifier); - -static void -_glcpp_parser_expand_if (glcpp_parser_t *parser, int type, token_list_t *list); - -static void -_glcpp_parser_expand_token_list (glcpp_parser_t *parser, - token_list_t *list); - -static void -_glcpp_parser_print_expanded_token_list (glcpp_parser_t *parser, - token_list_t *list); - -static void -_glcpp_parser_skip_stack_push_if (glcpp_parser_t *parser, YYLTYPE *loc, - int condition); - -static void -_glcpp_parser_skip_stack_change_if (glcpp_parser_t *parser, YYLTYPE *loc, - const char *type, int condition); - -static void -_glcpp_parser_skip_stack_pop (glcpp_parser_t *parser, YYLTYPE *loc); - -#define yylex glcpp_parser_lex - -static int -glcpp_parser_lex (YYSTYPE *yylval, YYLTYPE *yylloc, glcpp_parser_t *parser); - -static void -glcpp_parser_lex_from (glcpp_parser_t *parser, token_list_t *list); - -static void -add_builtin_define(glcpp_parser_t *parser, const char *name, int value); - -%} - -%pure-parser -%error-verbose - -%locations -%initial-action { - @$.first_line = 1; - @$.first_column = 1; - @$.last_line = 1; - @$.last_column = 1; - @$.source = 0; -} - -%parse-param {glcpp_parser_t *parser} -%lex-param {glcpp_parser_t *parser} - -%expect 0 -%token COMMA_FINAL DEFINED ELIF_EXPANDED HASH HASH_DEFINE_FUNC HASH_DEFINE_OBJ HASH_ELIF HASH_ELSE HASH_ENDIF HASH_IF HASH_IFDEF HASH_IFNDEF HASH_UNDEF HASH_VERSION IDENTIFIER IF_EXPANDED INTEGER INTEGER_STRING NEWLINE OTHER PLACEHOLDER SPACE -%token PASTE -%type expression INTEGER operator SPACE integer_constant -%type IDENTIFIER INTEGER_STRING OTHER -%type identifier_list -%type preprocessing_token conditional_token -%type pp_tokens replacement_list text_line conditional_tokens -%left OR -%left AND -%left '|' -%left '^' -%left '&' -%left EQUAL NOT_EQUAL -%left '<' '>' LESS_OR_EQUAL GREATER_OR_EQUAL -%left LEFT_SHIFT RIGHT_SHIFT -%left '+' '-' -%left '*' '/' '%' -%right UNARY - -%% - -input: - /* empty */ -| input line -; - -line: - control_line { - glcpp_print(parser->output, "\n"); - } -| text_line { - _glcpp_parser_print_expanded_token_list (parser, $1); - glcpp_print(parser->output, "\n"); - talloc_free ($1); - } -| expanded_line -| HASH non_directive -; - -expanded_line: - IF_EXPANDED expression NEWLINE { - _glcpp_parser_skip_stack_push_if (parser, & @1, $2); - } -| ELIF_EXPANDED expression NEWLINE { - _glcpp_parser_skip_stack_change_if (parser, & @1, "elif", $2); - } -; - -control_line: - HASH_DEFINE_OBJ IDENTIFIER replacement_list NEWLINE { - _define_object_macro (parser, & @2, $2, $3); - } -| HASH_DEFINE_FUNC IDENTIFIER '(' ')' replacement_list NEWLINE { - _define_function_macro (parser, & @2, $2, NULL, $5); - } -| HASH_DEFINE_FUNC IDENTIFIER '(' identifier_list ')' replacement_list NEWLINE { - _define_function_macro (parser, & @2, $2, $4, $6); - } -| HASH_UNDEF IDENTIFIER NEWLINE { - macro_t *macro = hash_table_find (parser->defines, $2); - if (macro) { - hash_table_remove (parser->defines, $2); - talloc_free (macro); - } - talloc_free ($2); - } -| HASH_IF conditional_tokens NEWLINE { - /* Be careful to only evaluate the 'if' expression if - * we are not skipping. When we are skipping, we - * simply push a new 0-valued 'if' onto the skip - * stack. - * - * This avoids generating diagnostics for invalid - * expressions that are being skipped. */ - if (parser->skip_stack == NULL || - parser->skip_stack->type == SKIP_NO_SKIP) - { - _glcpp_parser_expand_if (parser, IF_EXPANDED, $2); - } - else - { - _glcpp_parser_skip_stack_push_if (parser, & @1, 0); - parser->skip_stack->type = SKIP_TO_ENDIF; - } - } -| HASH_IF NEWLINE { - /* #if without an expression is only an error if we - * are not skipping */ - if (parser->skip_stack == NULL || - parser->skip_stack->type == SKIP_NO_SKIP) - { - glcpp_error(& @1, parser, "#if with no expression"); - } - _glcpp_parser_skip_stack_push_if (parser, & @1, 0); - } -| HASH_IFDEF IDENTIFIER junk NEWLINE { - macro_t *macro = hash_table_find (parser->defines, $2); - talloc_free ($2); - _glcpp_parser_skip_stack_push_if (parser, & @1, macro != NULL); - } -| HASH_IFNDEF IDENTIFIER junk NEWLINE { - macro_t *macro = hash_table_find (parser->defines, $2); - talloc_free ($2); - _glcpp_parser_skip_stack_push_if (parser, & @1, macro == NULL); - } -| HASH_ELIF conditional_tokens NEWLINE { - /* Be careful to only evaluate the 'elif' expression - * if we are not skipping. When we are skipping, we - * simply change to a 0-valued 'elif' on the skip - * stack. - * - * This avoids generating diagnostics for invalid - * expressions that are being skipped. */ - if (parser->skip_stack && - parser->skip_stack->type == SKIP_TO_ELSE) - { - _glcpp_parser_expand_if (parser, ELIF_EXPANDED, $2); - } - else - { - _glcpp_parser_skip_stack_change_if (parser, & @1, - "elif", 0); - } - } -| HASH_ELIF NEWLINE { - /* #elif without an expression is an error unless we - * are skipping. */ - if (parser->skip_stack && - parser->skip_stack->type == SKIP_TO_ELSE) - { - glcpp_error(& @1, parser, "#elif with no expression"); - } - else - { - _glcpp_parser_skip_stack_change_if (parser, & @1, - "elif", 0); - glcpp_warning(& @1, parser, "ignoring illegal #elif without expression"); - } - } -| HASH_ELSE NEWLINE { - _glcpp_parser_skip_stack_change_if (parser, & @1, "else", 1); - } -| HASH_ENDIF NEWLINE { - _glcpp_parser_skip_stack_pop (parser, & @1); - } -| HASH_VERSION integer_constant NEWLINE { - macro_t *macro = hash_table_find (parser->defines, "__VERSION__"); - if (macro) { - hash_table_remove (parser->defines, "__VERSION__"); - talloc_free (macro); - } - add_builtin_define (parser, "__VERSION__", $2); - - if ($2 == 100) - add_builtin_define (parser, "GL_ES", 1); - - /* Currently, all ES2 implementations support highp in the - * fragment shader, so we always define this macro in ES2. - * If we ever get a driver that doesn't support highp, we'll - * need to add a flag to the gl_context and check that here. - */ - if ($2 >= 130 || $2 == 100) - add_builtin_define (parser, "GL_FRAGMENT_PRECISION_HIGH", 1); - - glcpp_printf(parser->output, "#version %" PRIiMAX, $2); - } -| HASH NEWLINE -; - -integer_constant: - INTEGER_STRING { - if (strlen ($1) >= 3 && strncmp ($1, "0x", 2) == 0) { - $$ = strtoll ($1 + 2, NULL, 16); - } else if ($1[0] == '0') { - $$ = strtoll ($1, NULL, 8); - } else { - $$ = strtoll ($1, NULL, 10); - } - } -| INTEGER { - $$ = $1; - } - -expression: - integer_constant -| expression OR expression { - $$ = $1 || $3; - } -| expression AND expression { - $$ = $1 && $3; - } -| expression '|' expression { - $$ = $1 | $3; - } -| expression '^' expression { - $$ = $1 ^ $3; - } -| expression '&' expression { - $$ = $1 & $3; - } -| expression NOT_EQUAL expression { - $$ = $1 != $3; - } -| expression EQUAL expression { - $$ = $1 == $3; - } -| expression GREATER_OR_EQUAL expression { - $$ = $1 >= $3; - } -| expression LESS_OR_EQUAL expression { - $$ = $1 <= $3; - } -| expression '>' expression { - $$ = $1 > $3; - } -| expression '<' expression { - $$ = $1 < $3; - } -| expression RIGHT_SHIFT expression { - $$ = $1 >> $3; - } -| expression LEFT_SHIFT expression { - $$ = $1 << $3; - } -| expression '-' expression { - $$ = $1 - $3; - } -| expression '+' expression { - $$ = $1 + $3; - } -| expression '%' expression { - $$ = $1 % $3; - } -| expression '/' expression { - if ($3 == 0) { - yyerror (& @1, parser, - "division by 0 in preprocessor directive"); - } else { - $$ = $1 / $3; - } - } -| expression '*' expression { - $$ = $1 * $3; - } -| '!' expression %prec UNARY { - $$ = ! $2; - } -| '~' expression %prec UNARY { - $$ = ~ $2; - } -| '-' expression %prec UNARY { - $$ = - $2; - } -| '+' expression %prec UNARY { - $$ = + $2; - } -| '(' expression ')' { - $$ = $2; - } -; - -identifier_list: - IDENTIFIER { - $$ = _string_list_create (parser); - _string_list_append_item ($$, $1); - talloc_steal ($$, $1); - } -| identifier_list ',' IDENTIFIER { - $$ = $1; - _string_list_append_item ($$, $3); - talloc_steal ($$, $3); - } -; - -text_line: - NEWLINE { $$ = NULL; } -| pp_tokens NEWLINE -; - -non_directive: - pp_tokens NEWLINE { - yyerror (& @1, parser, "Invalid tokens after #"); - } -; - -replacement_list: - /* empty */ { $$ = NULL; } -| pp_tokens -; - -junk: - /* empty */ -| pp_tokens { - glcpp_warning(&@1, parser, "extra tokens at end of directive"); - } -; - -conditional_token: - /* Handle "defined" operator */ - DEFINED IDENTIFIER { - int v = hash_table_find (parser->defines, $2) ? 1 : 0; - $$ = _token_create_ival (parser, INTEGER, v); - } -| DEFINED '(' IDENTIFIER ')' { - int v = hash_table_find (parser->defines, $3) ? 1 : 0; - $$ = _token_create_ival (parser, INTEGER, v); - } -| preprocessing_token -; - -conditional_tokens: - /* Exactly the same as pp_tokens, but using conditional_token */ - conditional_token { - $$ = _token_list_create (parser); - _token_list_append ($$, $1); - } -| conditional_tokens conditional_token { - $$ = $1; - _token_list_append ($$, $2); - } -; - -pp_tokens: - preprocessing_token { - parser->space_tokens = 1; - $$ = _token_list_create (parser); - _token_list_append ($$, $1); - } -| pp_tokens preprocessing_token { - $$ = $1; - _token_list_append ($$, $2); - } -; - -preprocessing_token: - IDENTIFIER { - $$ = _token_create_str (parser, IDENTIFIER, $1); - $$->location = yylloc; - } -| INTEGER_STRING { - $$ = _token_create_str (parser, INTEGER_STRING, $1); - $$->location = yylloc; - } -| operator { - $$ = _token_create_ival (parser, $1, $1); - $$->location = yylloc; - } -| OTHER { - $$ = _token_create_str (parser, OTHER, $1); - $$->location = yylloc; - } -| SPACE { - $$ = _token_create_ival (parser, SPACE, SPACE); - $$->location = yylloc; - } -; - -operator: - '[' { $$ = '['; } -| ']' { $$ = ']'; } -| '(' { $$ = '('; } -| ')' { $$ = ')'; } -| '{' { $$ = '{'; } -| '}' { $$ = '}'; } -| '.' { $$ = '.'; } -| '&' { $$ = '&'; } -| '*' { $$ = '*'; } -| '+' { $$ = '+'; } -| '-' { $$ = '-'; } -| '~' { $$ = '~'; } -| '!' { $$ = '!'; } -| '/' { $$ = '/'; } -| '%' { $$ = '%'; } -| LEFT_SHIFT { $$ = LEFT_SHIFT; } -| RIGHT_SHIFT { $$ = RIGHT_SHIFT; } -| '<' { $$ = '<'; } -| '>' { $$ = '>'; } -| LESS_OR_EQUAL { $$ = LESS_OR_EQUAL; } -| GREATER_OR_EQUAL { $$ = GREATER_OR_EQUAL; } -| EQUAL { $$ = EQUAL; } -| NOT_EQUAL { $$ = NOT_EQUAL; } -| '^' { $$ = '^'; } -| '|' { $$ = '|'; } -| AND { $$ = AND; } -| OR { $$ = OR; } -| ';' { $$ = ';'; } -| ',' { $$ = ','; } -| '=' { $$ = '='; } -| PASTE { $$ = PASTE; } -; - -%% - -string_list_t * -_string_list_create (void *ctx) -{ - string_list_t *list; - - list = talloc (ctx, string_list_t); - list->head = NULL; - list->tail = NULL; - - return list; -} - -void -_string_list_append_item (string_list_t *list, const char *str) -{ - string_node_t *node; - - node = talloc (list, string_node_t); - node->str = talloc_strdup (node, str); - - node->next = NULL; - - if (list->head == NULL) { - list->head = node; - } else { - list->tail->next = node; - } - - list->tail = node; -} - -int -_string_list_contains (string_list_t *list, const char *member, int *index) -{ - string_node_t *node; - int i; - - if (list == NULL) - return 0; - - for (i = 0, node = list->head; node; i++, node = node->next) { - if (strcmp (node->str, member) == 0) { - if (index) - *index = i; - return 1; - } - } - - return 0; -} - -int -_string_list_length (string_list_t *list) -{ - int length = 0; - string_node_t *node; - - if (list == NULL) - return 0; - - for (node = list->head; node; node = node->next) - length++; - - return length; -} - -int -_string_list_equal (string_list_t *a, string_list_t *b) -{ - string_node_t *node_a, *node_b; - - if (a == NULL && b == NULL) - return 1; - - if (a == NULL || b == NULL) - return 0; - - for (node_a = a->head, node_b = b->head; - node_a && node_b; - node_a = node_a->next, node_b = node_b->next) - { - if (strcmp (node_a->str, node_b->str)) - return 0; - } - - /* Catch the case of lists being different lengths, (which - * would cause the loop above to terminate after the shorter - * list). */ - return node_a == node_b; -} - -argument_list_t * -_argument_list_create (void *ctx) -{ - argument_list_t *list; - - list = talloc (ctx, argument_list_t); - list->head = NULL; - list->tail = NULL; - - return list; -} - -void -_argument_list_append (argument_list_t *list, token_list_t *argument) -{ - argument_node_t *node; - - node = talloc (list, argument_node_t); - node->argument = argument; - - node->next = NULL; - - if (list->head == NULL) { - list->head = node; - } else { - list->tail->next = node; - } - - list->tail = node; -} - -int -_argument_list_length (argument_list_t *list) -{ - int length = 0; - argument_node_t *node; - - if (list == NULL) - return 0; - - for (node = list->head; node; node = node->next) - length++; - - return length; -} - -token_list_t * -_argument_list_member_at (argument_list_t *list, int index) -{ - argument_node_t *node; - int i; - - if (list == NULL) - return NULL; - - node = list->head; - for (i = 0; i < index; i++) { - node = node->next; - if (node == NULL) - break; - } - - if (node) - return node->argument; - - return NULL; -} - -/* Note: This function talloc_steal()s the str pointer. */ -token_t * -_token_create_str (void *ctx, int type, char *str) -{ - token_t *token; - - token = talloc (ctx, token_t); - token->type = type; - token->value.str = talloc_steal (token, str); - - return token; -} - -token_t * -_token_create_ival (void *ctx, int type, int ival) -{ - token_t *token; - - token = talloc (ctx, token_t); - token->type = type; - token->value.ival = ival; - - return token; -} - -token_list_t * -_token_list_create (void *ctx) -{ - token_list_t *list; - - list = talloc (ctx, token_list_t); - list->head = NULL; - list->tail = NULL; - list->non_space_tail = NULL; - - return list; -} - -void -_token_list_append (token_list_t *list, token_t *token) -{ - token_node_t *node; - - node = talloc (list, token_node_t); - node->token = talloc_steal (list, token); - - node->next = NULL; - - if (list->head == NULL) { - list->head = node; - } else { - list->tail->next = node; - } - - list->tail = node; - if (token->type != SPACE) - list->non_space_tail = node; -} - -void -_token_list_append_list (token_list_t *list, token_list_t *tail) -{ - if (tail == NULL || tail->head == NULL) - return; - - if (list->head == NULL) { - list->head = tail->head; - } else { - list->tail->next = tail->head; - } - - list->tail = tail->tail; - list->non_space_tail = tail->non_space_tail; -} - -static token_list_t * -_token_list_copy (void *ctx, token_list_t *other) -{ - token_list_t *copy; - token_node_t *node; - - if (other == NULL) - return NULL; - - copy = _token_list_create (ctx); - for (node = other->head; node; node = node->next) { - token_t *new_token = talloc (copy, token_t); - *new_token = *node->token; - _token_list_append (copy, new_token); - } - - return copy; -} - -static void -_token_list_trim_trailing_space (token_list_t *list) -{ - token_node_t *tail, *next; - - if (list->non_space_tail) { - tail = list->non_space_tail->next; - list->non_space_tail->next = NULL; - list->tail = list->non_space_tail; - - while (tail) { - next = tail->next; - talloc_free (tail); - tail = next; - } - } -} - -int -_token_list_is_empty_ignoring_space (token_list_t *l) -{ - token_node_t *n; - - if (l == NULL) - return 1; - - n = l->head; - while (n != NULL && n->token->type == SPACE) - n = n->next; - - return n == NULL; -} - -int -_token_list_equal_ignoring_space (token_list_t *a, token_list_t *b) -{ - token_node_t *node_a, *node_b; - - if (a == NULL || b == NULL) { - int a_empty = _token_list_is_empty_ignoring_space(a); - int b_empty = _token_list_is_empty_ignoring_space(b); - return a_empty == b_empty; - } - - node_a = a->head; - node_b = b->head; - - while (1) - { - if (node_a == NULL && node_b == NULL) - break; - - if (node_a == NULL || node_b == NULL) - return 0; - - if (node_a->token->type == SPACE) { - node_a = node_a->next; - continue; - } - - if (node_b->token->type == SPACE) { - node_b = node_b->next; - continue; - } - - if (node_a->token->type != node_b->token->type) - return 0; - - switch (node_a->token->type) { - case INTEGER: - if (node_a->token->value.ival != - node_b->token->value.ival) - { - return 0; - } - break; - case IDENTIFIER: - case INTEGER_STRING: - case OTHER: - if (strcmp (node_a->token->value.str, - node_b->token->value.str)) - { - return 0; - } - break; - } - - node_a = node_a->next; - node_b = node_b->next; - } - - return 1; -} - -static void -_token_print (char **out, token_t *token) -{ - if (token->type < 256) { - glcpp_printf (*out, "%c", token->type); - return; - } - - switch (token->type) { - case INTEGER: - glcpp_printf (*out, "%" PRIiMAX, token->value.ival); - break; - case IDENTIFIER: - case INTEGER_STRING: - case OTHER: - glcpp_print (*out, token->value.str); - break; - case SPACE: - glcpp_print (*out, " "); - break; - case LEFT_SHIFT: - glcpp_print (*out, "<<"); - break; - case RIGHT_SHIFT: - glcpp_print (*out, ">>"); - break; - case LESS_OR_EQUAL: - glcpp_print (*out, "<="); - break; - case GREATER_OR_EQUAL: - glcpp_print (*out, ">="); - break; - case EQUAL: - glcpp_print (*out, "=="); - break; - case NOT_EQUAL: - glcpp_print (*out, "!="); - break; - case AND: - glcpp_print (*out, "&&"); - break; - case OR: - glcpp_print (*out, "||"); - break; - case PASTE: - glcpp_print (*out, "##"); - break; - case COMMA_FINAL: - glcpp_print (*out, ","); - break; - case PLACEHOLDER: - /* Nothing to print. */ - break; - default: - assert(!"Error: Don't know how to print token."); - break; - } -} - -/* Return a new token (talloc()ed off of 'token') formed by pasting - * 'token' and 'other'. Note that this function may return 'token' or - * 'other' directly rather than allocating anything new. - * - * Caution: Only very cursory error-checking is performed to see if - * the final result is a valid single token. */ -static token_t * -_token_paste (glcpp_parser_t *parser, token_t *token, token_t *other) -{ - token_t *combined = NULL; - - /* Pasting a placeholder onto anything makes no change. */ - if (other->type == PLACEHOLDER) - return token; - - /* When 'token' is a placeholder, just return 'other'. */ - if (token->type == PLACEHOLDER) - return other; - - /* A very few single-character punctuators can be combined - * with another to form a multi-character punctuator. */ - switch (token->type) { - case '<': - if (other->type == '<') - combined = _token_create_ival (token, LEFT_SHIFT, LEFT_SHIFT); - else if (other->type == '=') - combined = _token_create_ival (token, LESS_OR_EQUAL, LESS_OR_EQUAL); - break; - case '>': - if (other->type == '>') - combined = _token_create_ival (token, RIGHT_SHIFT, RIGHT_SHIFT); - else if (other->type == '=') - combined = _token_create_ival (token, GREATER_OR_EQUAL, GREATER_OR_EQUAL); - break; - case '=': - if (other->type == '=') - combined = _token_create_ival (token, EQUAL, EQUAL); - break; - case '!': - if (other->type == '=') - combined = _token_create_ival (token, NOT_EQUAL, NOT_EQUAL); - break; - case '&': - if (other->type == '&') - combined = _token_create_ival (token, AND, AND); - break; - case '|': - if (other->type == '|') - combined = _token_create_ival (token, OR, OR); - break; - } - - if (combined != NULL) { - /* Inherit the location from the first token */ - combined->location = token->location; - return combined; - } - - /* Two string-valued tokens can usually just be mashed - * together. - * - * XXX: This isn't actually legitimate. Several things here - * should result in a diagnostic since the result cannot be a - * valid, single pre-processing token. For example, pasting - * "123" and "abc" is not legal, but we don't catch that - * here. */ - if ((token->type == IDENTIFIER || token->type == OTHER || token->type == INTEGER_STRING) && - (other->type == IDENTIFIER || other->type == OTHER || other->type == INTEGER_STRING)) - { - char *str; - - str = talloc_asprintf (token, "%s%s", token->value.str, - other->value.str); - combined = _token_create_str (token, token->type, str); - combined->location = token->location; - return combined; - } - - glcpp_error (&token->location, parser, ""); - glcpp_print (parser->info_log, "Pasting \""); - _token_print (&parser->info_log, token); - glcpp_print (parser->info_log, "\" and \""); - _token_print (&parser->info_log, other); - glcpp_print (parser->info_log, "\" does not give a valid preprocessing token.\n"); - - return token; -} - -static void -_token_list_print (glcpp_parser_t *parser, token_list_t *list) -{ - token_node_t *node; - - if (list == NULL) - return; - - for (node = list->head; node; node = node->next) - _token_print (&parser->output, node->token); -} - -void -yyerror (YYLTYPE *locp, glcpp_parser_t *parser, const char *error) -{ - glcpp_error(locp, parser, "%s", error); -} - -static void add_builtin_define(glcpp_parser_t *parser, - const char *name, int value) -{ - token_t *tok; - token_list_t *list; - - tok = _token_create_ival (parser, INTEGER, value); - - list = _token_list_create(parser); - _token_list_append(list, tok); - _define_object_macro(parser, NULL, name, list); -} - -glcpp_parser_t * -glcpp_parser_create (const struct gl_extensions *extensions, int api) -{ - glcpp_parser_t *parser; - int language_version; - - parser = talloc (NULL, glcpp_parser_t); - - glcpp_lex_init_extra (parser, &parser->scanner); - parser->defines = hash_table_ctor (32, hash_table_string_hash, - hash_table_string_compare); - parser->active = NULL; - parser->lexing_if = 0; - parser->space_tokens = 1; - parser->newline_as_space = 0; - parser->in_control_line = 0; - parser->paren_count = 0; - - parser->skip_stack = NULL; - - parser->lex_from_list = NULL; - parser->lex_from_node = NULL; - - parser->output = talloc_strdup(parser, ""); - parser->info_log = talloc_strdup(parser, ""); - parser->error = 0; - - /* Add pre-defined macros. */ - add_builtin_define(parser, "GL_ARB_draw_buffers", 1); - add_builtin_define(parser, "GL_ARB_texture_rectangle", 1); - - if (api == API_OPENGLES2) - add_builtin_define(parser, "GL_ES", 1); - - if (extensions != NULL) { - if (extensions->EXT_texture_array) { - add_builtin_define(parser, "GL_EXT_texture_array", 1); - } - - if (extensions->ARB_fragment_coord_conventions) - add_builtin_define(parser, "GL_ARB_fragment_coord_conventions", - 1); - - if (extensions->ARB_explicit_attrib_location) - add_builtin_define(parser, "GL_ARB_explicit_attrib_location", 1); - } - - language_version = 110; - add_builtin_define(parser, "__VERSION__", language_version); - - return parser; -} - -int -glcpp_parser_parse (glcpp_parser_t *parser) -{ - return yyparse (parser); -} - -void -glcpp_parser_destroy (glcpp_parser_t *parser) -{ - glcpp_lex_destroy (parser->scanner); - hash_table_dtor (parser->defines); - talloc_free (parser); -} - -typedef enum function_status -{ - FUNCTION_STATUS_SUCCESS, - FUNCTION_NOT_A_FUNCTION, - FUNCTION_UNBALANCED_PARENTHESES -} function_status_t; - -/* Find a set of function-like macro arguments by looking for a - * balanced set of parentheses. - * - * When called, 'node' should be the opening-parenthesis token, (or - * perhaps preceeding SPACE tokens). Upon successful return *last will - * be the last consumed node, (corresponding to the closing right - * parenthesis). - * - * Return values: - * - * FUNCTION_STATUS_SUCCESS: - * - * Successfully parsed a set of function arguments. - * - * FUNCTION_NOT_A_FUNCTION: - * - * Macro name not followed by a '('. This is not an error, but - * simply that the macro name should be treated as a non-macro. - * - * FUNCTION_UNBALANCED_PARENTHESES - * - * Macro name is not followed by a balanced set of parentheses. - */ -static function_status_t -_arguments_parse (argument_list_t *arguments, - token_node_t *node, - token_node_t **last) -{ - token_list_t *argument; - int paren_count; - - node = node->next; - - /* Ignore whitespace before first parenthesis. */ - while (node && node->token->type == SPACE) - node = node->next; - - if (node == NULL || node->token->type != '(') - return FUNCTION_NOT_A_FUNCTION; - - node = node->next; - - argument = _token_list_create (arguments); - _argument_list_append (arguments, argument); - - for (paren_count = 1; node; node = node->next) { - if (node->token->type == '(') - { - paren_count++; - } - else if (node->token->type == ')') - { - paren_count--; - if (paren_count == 0) - break; - } - - if (node->token->type == ',' && - paren_count == 1) - { - _token_list_trim_trailing_space (argument); - argument = _token_list_create (arguments); - _argument_list_append (arguments, argument); - } - else { - if (argument->head == NULL) { - /* Don't treat initial whitespace as - * part of the arguement. */ - if (node->token->type == SPACE) - continue; - } - _token_list_append (argument, node->token); - } - } - - if (paren_count) - return FUNCTION_UNBALANCED_PARENTHESES; - - *last = node; - - return FUNCTION_STATUS_SUCCESS; -} - -static token_list_t * -_token_list_create_with_one_space (void *ctx) -{ - token_list_t *list; - token_t *space; - - list = _token_list_create (ctx); - space = _token_create_ival (list, SPACE, SPACE); - _token_list_append (list, space); - - return list; -} - -static void -_glcpp_parser_expand_if (glcpp_parser_t *parser, int type, token_list_t *list) -{ - token_list_t *expanded; - token_t *token; - - expanded = _token_list_create (parser); - token = _token_create_ival (parser, type, type); - _token_list_append (expanded, token); - _glcpp_parser_expand_token_list (parser, list); - _token_list_append_list (expanded, list); - glcpp_parser_lex_from (parser, expanded); -} - -/* This is a helper function that's essentially part of the - * implementation of _glcpp_parser_expand_node. It shouldn't be called - * except for by that function. - * - * Returns NULL if node is a simple token with no expansion, (that is, - * although 'node' corresponds to an identifier defined as a - * function-like macro, it is not followed with a parenthesized - * argument list). - * - * Compute the complete expansion of node (which is a function-like - * macro) and subsequent nodes which are arguments. - * - * Returns the token list that results from the expansion and sets - * *last to the last node in the list that was consumed by the - * expansion. Specifically, *last will be set as follows: as the - * token of the closing right parenthesis. - */ -static token_list_t * -_glcpp_parser_expand_function (glcpp_parser_t *parser, - token_node_t *node, - token_node_t **last) - -{ - macro_t *macro; - const char *identifier; - argument_list_t *arguments; - function_status_t status; - token_list_t *substituted; - int parameter_index; - - identifier = node->token->value.str; - - macro = hash_table_find (parser->defines, identifier); - - assert (macro->is_function); - - arguments = _argument_list_create (parser); - status = _arguments_parse (arguments, node, last); - - switch (status) { - case FUNCTION_STATUS_SUCCESS: - break; - case FUNCTION_NOT_A_FUNCTION: - return NULL; - case FUNCTION_UNBALANCED_PARENTHESES: - glcpp_error (&node->token->location, parser, "Macro %s call has unbalanced parentheses\n", identifier); - return NULL; - } - - /* Replace a macro defined as empty with a SPACE token. */ - if (macro->replacements == NULL) { - talloc_free (arguments); - return _token_list_create_with_one_space (parser); - } - - if (! ((_argument_list_length (arguments) == - _string_list_length (macro->parameters)) || - (_string_list_length (macro->parameters) == 0 && - _argument_list_length (arguments) == 1 && - arguments->head->argument->head == NULL))) - { - glcpp_error (&node->token->location, parser, - "Error: macro %s invoked with %d arguments (expected %d)\n", - identifier, - _argument_list_length (arguments), - _string_list_length (macro->parameters)); - return NULL; - } - - /* Perform argument substitution on the replacement list. */ - substituted = _token_list_create (arguments); - - for (node = macro->replacements->head; node; node = node->next) - { - if (node->token->type == IDENTIFIER && - _string_list_contains (macro->parameters, - node->token->value.str, - ¶meter_index)) - { - token_list_t *argument; - argument = _argument_list_member_at (arguments, - parameter_index); - /* Before substituting, we expand the argument - * tokens, or append a placeholder token for - * an empty argument. */ - if (argument->head) { - token_list_t *expanded_argument; - expanded_argument = _token_list_copy (parser, - argument); - _glcpp_parser_expand_token_list (parser, - expanded_argument); - _token_list_append_list (substituted, - expanded_argument); - } else { - token_t *new_token; - - new_token = _token_create_ival (substituted, - PLACEHOLDER, - PLACEHOLDER); - _token_list_append (substituted, new_token); - } - } else { - _token_list_append (substituted, node->token); - } - } - - /* After argument substitution, and before further expansion - * below, implement token pasting. */ - - _token_list_trim_trailing_space (substituted); - - node = substituted->head; - while (node) - { - token_node_t *next_non_space; - - /* Look ahead for a PASTE token, skipping space. */ - next_non_space = node->next; - while (next_non_space && next_non_space->token->type == SPACE) - next_non_space = next_non_space->next; - - if (next_non_space == NULL) - break; - - if (next_non_space->token->type != PASTE) { - node = next_non_space; - continue; - } - - /* Now find the next non-space token after the PASTE. */ - next_non_space = next_non_space->next; - while (next_non_space && next_non_space->token->type == SPACE) - next_non_space = next_non_space->next; - - if (next_non_space == NULL) { - yyerror (&node->token->location, parser, "'##' cannot appear at either end of a macro expansion\n"); - return NULL; - } - - node->token = _token_paste (parser, node->token, next_non_space->token); - node->next = next_non_space->next; - if (next_non_space == substituted->tail) - substituted->tail = node; - - node = node->next; - } - - substituted->non_space_tail = substituted->tail; - - return substituted; -} - -/* Compute the complete expansion of node, (and subsequent nodes after - * 'node' in the case that 'node' is a function-like macro and - * subsequent nodes are arguments). - * - * Returns NULL if node is a simple token with no expansion. - * - * Otherwise, returns the token list that results from the expansion - * and sets *last to the last node in the list that was consumed by - * the expansion. Specifically, *last will be set as follows: - * - * As 'node' in the case of object-like macro expansion. - * - * As the token of the closing right parenthesis in the case of - * function-like macro expansion. - */ -static token_list_t * -_glcpp_parser_expand_node (glcpp_parser_t *parser, - token_node_t *node, - token_node_t **last) -{ - token_t *token = node->token; - const char *identifier; - macro_t *macro; - - /* We only expand identifiers */ - if (token->type != IDENTIFIER) { - /* We change any COMMA into a COMMA_FINAL to prevent - * it being mistaken for an argument separator - * later. */ - if (token->type == ',') { - token->type = COMMA_FINAL; - token->value.ival = COMMA_FINAL; - } - - return NULL; - } - - /* Look up this identifier in the hash table. */ - identifier = token->value.str; - macro = hash_table_find (parser->defines, identifier); - - /* Not a macro, so no expansion needed. */ - if (macro == NULL) - return NULL; - - /* Finally, don't expand this macro if we're already actively - * expanding it, (to avoid infinite recursion). */ - if (_active_list_contains (parser->active, identifier)) { - /* We change the token type here from IDENTIFIER to - * OTHER to prevent any future expansion of this - * unexpanded token. */ - char *str; - token_list_t *expansion; - token_t *final; - - str = talloc_strdup (parser, token->value.str); - final = _token_create_str (parser, OTHER, str); - expansion = _token_list_create (parser); - _token_list_append (expansion, final); - *last = node; - return expansion; - } - - if (! macro->is_function) - { - *last = node; - - /* Replace a macro defined as empty with a SPACE token. */ - if (macro->replacements == NULL) - return _token_list_create_with_one_space (parser); - - return _token_list_copy (parser, macro->replacements); - } - - return _glcpp_parser_expand_function (parser, node, last); -} - -/* Push a new identifier onto the active list, returning the new list. - * - * Here, 'marker' is the token node that appears in the list after the - * expansion of 'identifier'. That is, when the list iterator begins - * examinging 'marker', then it is time to pop this node from the - * active stack. - */ -active_list_t * -_active_list_push (active_list_t *list, - const char *identifier, - token_node_t *marker) -{ - active_list_t *node; - - node = talloc (list, active_list_t); - node->identifier = talloc_strdup (node, identifier); - node->marker = marker; - node->next = list; - - return node; -} - -active_list_t * -_active_list_pop (active_list_t *list) -{ - active_list_t *node = list; - - if (node == NULL) - return NULL; - - node = list->next; - talloc_free (list); - - return node; -} - -int -_active_list_contains (active_list_t *list, const char *identifier) -{ - active_list_t *node; - - if (list == NULL) - return 0; - - for (node = list; node; node = node->next) - if (strcmp (node->identifier, identifier) == 0) - return 1; - - return 0; -} - -/* Walk over the token list replacing nodes with their expansion. - * Whenever nodes are expanded the walking will walk over the new - * nodes, continuing to expand as necessary. The results are placed in - * 'list' itself; - */ -static void -_glcpp_parser_expand_token_list (glcpp_parser_t *parser, - token_list_t *list) -{ - token_node_t *node_prev; - token_node_t *node, *last = NULL; - token_list_t *expansion; - - if (list == NULL) - return; - - _token_list_trim_trailing_space (list); - - node_prev = NULL; - node = list->head; - - while (node) { - - while (parser->active && parser->active->marker == node) - parser->active = _active_list_pop (parser->active); - - /* Find the expansion for node, which will replace all - * nodes from node to last, inclusive. */ - expansion = _glcpp_parser_expand_node (parser, node, &last); - if (expansion) { - token_node_t *n; - - for (n = node; n != last->next; n = n->next) - while (parser->active && - parser->active->marker == n) - { - parser->active = _active_list_pop (parser->active); - } - - parser->active = _active_list_push (parser->active, - node->token->value.str, - last->next); - - /* Splice expansion into list, supporting a - * simple deletion if the expansion is - * empty. */ - if (expansion->head) { - if (node_prev) - node_prev->next = expansion->head; - else - list->head = expansion->head; - expansion->tail->next = last->next; - if (last == list->tail) - list->tail = expansion->tail; - } else { - if (node_prev) - node_prev->next = last->next; - else - list->head = last->next; - if (last == list->tail) - list->tail = NULL; - } - } else { - node_prev = node; - } - node = node_prev ? node_prev->next : list->head; - } - - while (parser->active) - parser->active = _active_list_pop (parser->active); - - list->non_space_tail = list->tail; -} - -void -_glcpp_parser_print_expanded_token_list (glcpp_parser_t *parser, - token_list_t *list) -{ - if (list == NULL) - return; - - _glcpp_parser_expand_token_list (parser, list); - - _token_list_trim_trailing_space (list); - - _token_list_print (parser, list); -} - -static void -_check_for_reserved_macro_name (glcpp_parser_t *parser, YYLTYPE *loc, - const char *identifier) -{ - /* According to the GLSL specification, macro names starting with "__" - * or "GL_" are reserved for future use. So, don't allow them. - */ - if (strncmp(identifier, "__", 2) == 0) { - glcpp_error (loc, parser, "Macro names starting with \"__\" are reserved.\n"); - } - if (strncmp(identifier, "GL_", 3) == 0) { - glcpp_error (loc, parser, "Macro names starting with \"GL_\" are reserved.\n"); - } -} - -static int -_macro_equal (macro_t *a, macro_t *b) -{ - if (a->is_function != b->is_function) - return 0; - - if (a->is_function) { - if (! _string_list_equal (a->parameters, b->parameters)) - return 0; - } - - return _token_list_equal_ignoring_space (a->replacements, - b->replacements); -} - -void -_define_object_macro (glcpp_parser_t *parser, - YYLTYPE *loc, - const char *identifier, - token_list_t *replacements) -{ - macro_t *macro, *previous; - - if (loc != NULL) - _check_for_reserved_macro_name(parser, loc, identifier); - - macro = talloc (parser, macro_t); - - macro->is_function = 0; - macro->parameters = NULL; - macro->identifier = talloc_strdup (macro, identifier); - macro->replacements = talloc_steal (macro, replacements); - - previous = hash_table_find (parser->defines, identifier); - if (previous) { - if (_macro_equal (macro, previous)) { - talloc_free (macro); - return; - } - glcpp_error (loc, parser, "Redefinition of macro %s\n", - identifier); - } - - hash_table_insert (parser->defines, macro, identifier); -} - -void -_define_function_macro (glcpp_parser_t *parser, - YYLTYPE *loc, - const char *identifier, - string_list_t *parameters, - token_list_t *replacements) -{ - macro_t *macro, *previous; - - _check_for_reserved_macro_name(parser, loc, identifier); - - macro = talloc (parser, macro_t); - - macro->is_function = 1; - macro->parameters = talloc_steal (macro, parameters); - macro->identifier = talloc_strdup (macro, identifier); - macro->replacements = talloc_steal (macro, replacements); - - previous = hash_table_find (parser->defines, identifier); - if (previous) { - if (_macro_equal (macro, previous)) { - talloc_free (macro); - return; - } - glcpp_error (loc, parser, "Redefinition of macro %s\n", - identifier); - } - - hash_table_insert (parser->defines, macro, identifier); -} - -static int -glcpp_parser_lex (YYSTYPE *yylval, YYLTYPE *yylloc, glcpp_parser_t *parser) -{ - token_node_t *node; - int ret; - - if (parser->lex_from_list == NULL) { - ret = glcpp_lex (yylval, yylloc, parser->scanner); - - /* XXX: This ugly block of code exists for the sole - * purpose of converting a NEWLINE token into a SPACE - * token, but only in the case where we have seen a - * function-like macro name, but have not yet seen its - * closing parenthesis. - * - * There's perhaps a more compact way to do this with - * mid-rule actions in the grammar. - * - * I'm definitely not pleased with the complexity of - * this code here. - */ - if (parser->newline_as_space) - { - if (ret == '(') { - parser->paren_count++; - } else if (ret == ')') { - parser->paren_count--; - if (parser->paren_count == 0) - parser->newline_as_space = 0; - } else if (ret == NEWLINE) { - ret = SPACE; - } else if (ret != SPACE) { - if (parser->paren_count == 0) - parser->newline_as_space = 0; - } - } - else if (parser->in_control_line) - { - if (ret == NEWLINE) - parser->in_control_line = 0; - } - else if (ret == HASH_DEFINE_OBJ || ret == HASH_DEFINE_FUNC || - ret == HASH_UNDEF || ret == HASH_IF || - ret == HASH_IFDEF || ret == HASH_IFNDEF || - ret == HASH_ELIF || ret == HASH_ELSE || - ret == HASH_ENDIF || ret == HASH) - { - parser->in_control_line = 1; - } - else if (ret == IDENTIFIER) - { - macro_t *macro; - macro = hash_table_find (parser->defines, - yylval->str); - if (macro && macro->is_function) { - parser->newline_as_space = 1; - parser->paren_count = 0; - } - } - - return ret; - } - - node = parser->lex_from_node; - - if (node == NULL) { - talloc_free (parser->lex_from_list); - parser->lex_from_list = NULL; - return NEWLINE; - } - - *yylval = node->token->value; - ret = node->token->type; - - parser->lex_from_node = node->next; - - return ret; -} - -static void -glcpp_parser_lex_from (glcpp_parser_t *parser, token_list_t *list) -{ - token_node_t *node; - - assert (parser->lex_from_list == NULL); - - /* Copy list, eliminating any space tokens. */ - parser->lex_from_list = _token_list_create (parser); - - for (node = list->head; node; node = node->next) { - if (node->token->type == SPACE) - continue; - _token_list_append (parser->lex_from_list, node->token); - } - - talloc_free (list); - - parser->lex_from_node = parser->lex_from_list->head; - - /* It's possible the list consisted of nothing but whitespace. */ - if (parser->lex_from_node == NULL) { - talloc_free (parser->lex_from_list); - parser->lex_from_list = NULL; - } -} - -static void -_glcpp_parser_skip_stack_push_if (glcpp_parser_t *parser, YYLTYPE *loc, - int condition) -{ - skip_type_t current = SKIP_NO_SKIP; - skip_node_t *node; - - if (parser->skip_stack) - current = parser->skip_stack->type; - - node = talloc (parser, skip_node_t); - node->loc = *loc; - - if (current == SKIP_NO_SKIP) { - if (condition) - node->type = SKIP_NO_SKIP; - else - node->type = SKIP_TO_ELSE; - } else { - node->type = SKIP_TO_ENDIF; - } - - node->next = parser->skip_stack; - parser->skip_stack = node; -} - -static void -_glcpp_parser_skip_stack_change_if (glcpp_parser_t *parser, YYLTYPE *loc, - const char *type, int condition) -{ - if (parser->skip_stack == NULL) { - glcpp_error (loc, parser, "%s without #if\n", type); - return; - } - - if (parser->skip_stack->type == SKIP_TO_ELSE) { - if (condition) - parser->skip_stack->type = SKIP_NO_SKIP; - } else { - parser->skip_stack->type = SKIP_TO_ENDIF; - } -} - -static void -_glcpp_parser_skip_stack_pop (glcpp_parser_t *parser, YYLTYPE *loc) -{ - skip_node_t *node; - - if (parser->skip_stack == NULL) { - glcpp_error (loc, parser, "#endif without #if\n"); - return; - } - - node = parser->skip_stack; - parser->skip_stack = node->next; - talloc_free (node); -} +%{ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include +#include +#include +#include +#include + +#include "glcpp.h" +#include "main/core.h" /* for struct gl_extensions */ +#include "main/mtypes.h" /* for gl_api enum */ + +#define glcpp_print(stream, str) stream = talloc_strdup_append(stream, str) +#define glcpp_printf(stream, fmt, args, ...) \ + stream = talloc_asprintf_append(stream, fmt, args) + +static void +yyerror (YYLTYPE *locp, glcpp_parser_t *parser, const char *error); + +static void +_define_object_macro (glcpp_parser_t *parser, + YYLTYPE *loc, + const char *macro, + token_list_t *replacements); + +static void +_define_function_macro (glcpp_parser_t *parser, + YYLTYPE *loc, + const char *macro, + string_list_t *parameters, + token_list_t *replacements); + +static string_list_t * +_string_list_create (void *ctx); + +static void +_string_list_append_item (string_list_t *list, const char *str); + +static int +_string_list_contains (string_list_t *list, const char *member, int *index); + +static int +_string_list_length (string_list_t *list); + +static int +_string_list_equal (string_list_t *a, string_list_t *b); + +static argument_list_t * +_argument_list_create (void *ctx); + +static void +_argument_list_append (argument_list_t *list, token_list_t *argument); + +static int +_argument_list_length (argument_list_t *list); + +static token_list_t * +_argument_list_member_at (argument_list_t *list, int index); + +/* Note: This function talloc_steal()s the str pointer. */ +static token_t * +_token_create_str (void *ctx, int type, char *str); + +static token_t * +_token_create_ival (void *ctx, int type, int ival); + +static token_list_t * +_token_list_create (void *ctx); + +/* Note: This function calls talloc_steal on token. */ +static void +_token_list_append (token_list_t *list, token_t *token); + +static void +_token_list_append_list (token_list_t *list, token_list_t *tail); + +static int +_token_list_equal_ignoring_space (token_list_t *a, token_list_t *b); + +static active_list_t * +_active_list_push (active_list_t *list, + const char *identifier, + token_node_t *marker); + +static active_list_t * +_active_list_pop (active_list_t *list); + +int +_active_list_contains (active_list_t *list, const char *identifier); + +static void +_glcpp_parser_expand_if (glcpp_parser_t *parser, int type, token_list_t *list); + +static void +_glcpp_parser_expand_token_list (glcpp_parser_t *parser, + token_list_t *list); + +static void +_glcpp_parser_print_expanded_token_list (glcpp_parser_t *parser, + token_list_t *list); + +static void +_glcpp_parser_skip_stack_push_if (glcpp_parser_t *parser, YYLTYPE *loc, + int condition); + +static void +_glcpp_parser_skip_stack_change_if (glcpp_parser_t *parser, YYLTYPE *loc, + const char *type, int condition); + +static void +_glcpp_parser_skip_stack_pop (glcpp_parser_t *parser, YYLTYPE *loc); + +#define yylex glcpp_parser_lex + +static int +glcpp_parser_lex (YYSTYPE *yylval, YYLTYPE *yylloc, glcpp_parser_t *parser); + +static void +glcpp_parser_lex_from (glcpp_parser_t *parser, token_list_t *list); + +static void +add_builtin_define(glcpp_parser_t *parser, const char *name, int value); + +%} + +%pure-parser +%error-verbose + +%locations +%initial-action { + @$.first_line = 1; + @$.first_column = 1; + @$.last_line = 1; + @$.last_column = 1; + @$.source = 0; +} + +%parse-param {glcpp_parser_t *parser} +%lex-param {glcpp_parser_t *parser} + +%expect 0 +%token COMMA_FINAL DEFINED ELIF_EXPANDED HASH HASH_DEFINE_FUNC HASH_DEFINE_OBJ HASH_ELIF HASH_ELSE HASH_ENDIF HASH_IF HASH_IFDEF HASH_IFNDEF HASH_UNDEF HASH_VERSION IDENTIFIER IF_EXPANDED INTEGER INTEGER_STRING NEWLINE OTHER PLACEHOLDER SPACE +%token PASTE +%type expression INTEGER operator SPACE integer_constant +%type IDENTIFIER INTEGER_STRING OTHER +%type identifier_list +%type preprocessing_token conditional_token +%type pp_tokens replacement_list text_line conditional_tokens +%left OR +%left AND +%left '|' +%left '^' +%left '&' +%left EQUAL NOT_EQUAL +%left '<' '>' LESS_OR_EQUAL GREATER_OR_EQUAL +%left LEFT_SHIFT RIGHT_SHIFT +%left '+' '-' +%left '*' '/' '%' +%right UNARY + +%% + +input: + /* empty */ +| input line +; + +line: + control_line { + glcpp_print(parser->output, "\n"); + } +| text_line { + _glcpp_parser_print_expanded_token_list (parser, $1); + glcpp_print(parser->output, "\n"); + talloc_free ($1); + } +| expanded_line +| HASH non_directive +; + +expanded_line: + IF_EXPANDED expression NEWLINE { + _glcpp_parser_skip_stack_push_if (parser, & @1, $2); + } +| ELIF_EXPANDED expression NEWLINE { + _glcpp_parser_skip_stack_change_if (parser, & @1, "elif", $2); + } +; + +control_line: + HASH_DEFINE_OBJ IDENTIFIER replacement_list NEWLINE { + _define_object_macro (parser, & @2, $2, $3); + } +| HASH_DEFINE_FUNC IDENTIFIER '(' ')' replacement_list NEWLINE { + _define_function_macro (parser, & @2, $2, NULL, $5); + } +| HASH_DEFINE_FUNC IDENTIFIER '(' identifier_list ')' replacement_list NEWLINE { + _define_function_macro (parser, & @2, $2, $4, $6); + } +| HASH_UNDEF IDENTIFIER NEWLINE { + macro_t *macro = hash_table_find (parser->defines, $2); + if (macro) { + hash_table_remove (parser->defines, $2); + talloc_free (macro); + } + talloc_free ($2); + } +| HASH_IF conditional_tokens NEWLINE { + /* Be careful to only evaluate the 'if' expression if + * we are not skipping. When we are skipping, we + * simply push a new 0-valued 'if' onto the skip + * stack. + * + * This avoids generating diagnostics for invalid + * expressions that are being skipped. */ + if (parser->skip_stack == NULL || + parser->skip_stack->type == SKIP_NO_SKIP) + { + _glcpp_parser_expand_if (parser, IF_EXPANDED, $2); + } + else + { + _glcpp_parser_skip_stack_push_if (parser, & @1, 0); + parser->skip_stack->type = SKIP_TO_ENDIF; + } + } +| HASH_IF NEWLINE { + /* #if without an expression is only an error if we + * are not skipping */ + if (parser->skip_stack == NULL || + parser->skip_stack->type == SKIP_NO_SKIP) + { + glcpp_error(& @1, parser, "#if with no expression"); + } + _glcpp_parser_skip_stack_push_if (parser, & @1, 0); + } +| HASH_IFDEF IDENTIFIER junk NEWLINE { + macro_t *macro = hash_table_find (parser->defines, $2); + talloc_free ($2); + _glcpp_parser_skip_stack_push_if (parser, & @1, macro != NULL); + } +| HASH_IFNDEF IDENTIFIER junk NEWLINE { + macro_t *macro = hash_table_find (parser->defines, $2); + talloc_free ($2); + _glcpp_parser_skip_stack_push_if (parser, & @1, macro == NULL); + } +| HASH_ELIF conditional_tokens NEWLINE { + /* Be careful to only evaluate the 'elif' expression + * if we are not skipping. When we are skipping, we + * simply change to a 0-valued 'elif' on the skip + * stack. + * + * This avoids generating diagnostics for invalid + * expressions that are being skipped. */ + if (parser->skip_stack && + parser->skip_stack->type == SKIP_TO_ELSE) + { + _glcpp_parser_expand_if (parser, ELIF_EXPANDED, $2); + } + else + { + _glcpp_parser_skip_stack_change_if (parser, & @1, + "elif", 0); + } + } +| HASH_ELIF NEWLINE { + /* #elif without an expression is an error unless we + * are skipping. */ + if (parser->skip_stack && + parser->skip_stack->type == SKIP_TO_ELSE) + { + glcpp_error(& @1, parser, "#elif with no expression"); + } + else + { + _glcpp_parser_skip_stack_change_if (parser, & @1, + "elif", 0); + glcpp_warning(& @1, parser, "ignoring illegal #elif without expression"); + } + } +| HASH_ELSE NEWLINE { + _glcpp_parser_skip_stack_change_if (parser, & @1, "else", 1); + } +| HASH_ENDIF NEWLINE { + _glcpp_parser_skip_stack_pop (parser, & @1); + } +| HASH_VERSION integer_constant NEWLINE { + macro_t *macro = hash_table_find (parser->defines, "__VERSION__"); + if (macro) { + hash_table_remove (parser->defines, "__VERSION__"); + talloc_free (macro); + } + add_builtin_define (parser, "__VERSION__", $2); + + if ($2 == 100) + add_builtin_define (parser, "GL_ES", 1); + + /* Currently, all ES2 implementations support highp in the + * fragment shader, so we always define this macro in ES2. + * If we ever get a driver that doesn't support highp, we'll + * need to add a flag to the gl_context and check that here. + */ + if ($2 >= 130 || $2 == 100) + add_builtin_define (parser, "GL_FRAGMENT_PRECISION_HIGH", 1); + + glcpp_printf(parser->output, "#version %" PRIiMAX, $2); + } +| HASH NEWLINE +; + +integer_constant: + INTEGER_STRING { + if (strlen ($1) >= 3 && strncmp ($1, "0x", 2) == 0) { + $$ = strtoll ($1 + 2, NULL, 16); + } else if ($1[0] == '0') { + $$ = strtoll ($1, NULL, 8); + } else { + $$ = strtoll ($1, NULL, 10); + } + } +| INTEGER { + $$ = $1; + } + +expression: + integer_constant +| expression OR expression { + $$ = $1 || $3; + } +| expression AND expression { + $$ = $1 && $3; + } +| expression '|' expression { + $$ = $1 | $3; + } +| expression '^' expression { + $$ = $1 ^ $3; + } +| expression '&' expression { + $$ = $1 & $3; + } +| expression NOT_EQUAL expression { + $$ = $1 != $3; + } +| expression EQUAL expression { + $$ = $1 == $3; + } +| expression GREATER_OR_EQUAL expression { + $$ = $1 >= $3; + } +| expression LESS_OR_EQUAL expression { + $$ = $1 <= $3; + } +| expression '>' expression { + $$ = $1 > $3; + } +| expression '<' expression { + $$ = $1 < $3; + } +| expression RIGHT_SHIFT expression { + $$ = $1 >> $3; + } +| expression LEFT_SHIFT expression { + $$ = $1 << $3; + } +| expression '-' expression { + $$ = $1 - $3; + } +| expression '+' expression { + $$ = $1 + $3; + } +| expression '%' expression { + $$ = $1 % $3; + } +| expression '/' expression { + if ($3 == 0) { + yyerror (& @1, parser, + "division by 0 in preprocessor directive"); + } else { + $$ = $1 / $3; + } + } +| expression '*' expression { + $$ = $1 * $3; + } +| '!' expression %prec UNARY { + $$ = ! $2; + } +| '~' expression %prec UNARY { + $$ = ~ $2; + } +| '-' expression %prec UNARY { + $$ = - $2; + } +| '+' expression %prec UNARY { + $$ = + $2; + } +| '(' expression ')' { + $$ = $2; + } +; + +identifier_list: + IDENTIFIER { + $$ = _string_list_create (parser); + _string_list_append_item ($$, $1); + talloc_steal ($$, $1); + } +| identifier_list ',' IDENTIFIER { + $$ = $1; + _string_list_append_item ($$, $3); + talloc_steal ($$, $3); + } +; + +text_line: + NEWLINE { $$ = NULL; } +| pp_tokens NEWLINE +; + +non_directive: + pp_tokens NEWLINE { + yyerror (& @1, parser, "Invalid tokens after #"); + } +; + +replacement_list: + /* empty */ { $$ = NULL; } +| pp_tokens +; + +junk: + /* empty */ +| pp_tokens { + glcpp_warning(&@1, parser, "extra tokens at end of directive"); + } +; + +conditional_token: + /* Handle "defined" operator */ + DEFINED IDENTIFIER { + int v = hash_table_find (parser->defines, $2) ? 1 : 0; + $$ = _token_create_ival (parser, INTEGER, v); + } +| DEFINED '(' IDENTIFIER ')' { + int v = hash_table_find (parser->defines, $3) ? 1 : 0; + $$ = _token_create_ival (parser, INTEGER, v); + } +| preprocessing_token +; + +conditional_tokens: + /* Exactly the same as pp_tokens, but using conditional_token */ + conditional_token { + $$ = _token_list_create (parser); + _token_list_append ($$, $1); + } +| conditional_tokens conditional_token { + $$ = $1; + _token_list_append ($$, $2); + } +; + +pp_tokens: + preprocessing_token { + parser->space_tokens = 1; + $$ = _token_list_create (parser); + _token_list_append ($$, $1); + } +| pp_tokens preprocessing_token { + $$ = $1; + _token_list_append ($$, $2); + } +; + +preprocessing_token: + IDENTIFIER { + $$ = _token_create_str (parser, IDENTIFIER, $1); + $$->location = yylloc; + } +| INTEGER_STRING { + $$ = _token_create_str (parser, INTEGER_STRING, $1); + $$->location = yylloc; + } +| operator { + $$ = _token_create_ival (parser, $1, $1); + $$->location = yylloc; + } +| OTHER { + $$ = _token_create_str (parser, OTHER, $1); + $$->location = yylloc; + } +| SPACE { + $$ = _token_create_ival (parser, SPACE, SPACE); + $$->location = yylloc; + } +; + +operator: + '[' { $$ = '['; } +| ']' { $$ = ']'; } +| '(' { $$ = '('; } +| ')' { $$ = ')'; } +| '{' { $$ = '{'; } +| '}' { $$ = '}'; } +| '.' { $$ = '.'; } +| '&' { $$ = '&'; } +| '*' { $$ = '*'; } +| '+' { $$ = '+'; } +| '-' { $$ = '-'; } +| '~' { $$ = '~'; } +| '!' { $$ = '!'; } +| '/' { $$ = '/'; } +| '%' { $$ = '%'; } +| LEFT_SHIFT { $$ = LEFT_SHIFT; } +| RIGHT_SHIFT { $$ = RIGHT_SHIFT; } +| '<' { $$ = '<'; } +| '>' { $$ = '>'; } +| LESS_OR_EQUAL { $$ = LESS_OR_EQUAL; } +| GREATER_OR_EQUAL { $$ = GREATER_OR_EQUAL; } +| EQUAL { $$ = EQUAL; } +| NOT_EQUAL { $$ = NOT_EQUAL; } +| '^' { $$ = '^'; } +| '|' { $$ = '|'; } +| AND { $$ = AND; } +| OR { $$ = OR; } +| ';' { $$ = ';'; } +| ',' { $$ = ','; } +| '=' { $$ = '='; } +| PASTE { $$ = PASTE; } +; + +%% + +string_list_t * +_string_list_create (void *ctx) +{ + string_list_t *list; + + list = talloc (ctx, string_list_t); + list->head = NULL; + list->tail = NULL; + + return list; +} + +void +_string_list_append_item (string_list_t *list, const char *str) +{ + string_node_t *node; + + node = talloc (list, string_node_t); + node->str = talloc_strdup (node, str); + + node->next = NULL; + + if (list->head == NULL) { + list->head = node; + } else { + list->tail->next = node; + } + + list->tail = node; +} + +int +_string_list_contains (string_list_t *list, const char *member, int *index) +{ + string_node_t *node; + int i; + + if (list == NULL) + return 0; + + for (i = 0, node = list->head; node; i++, node = node->next) { + if (strcmp (node->str, member) == 0) { + if (index) + *index = i; + return 1; + } + } + + return 0; +} + +int +_string_list_length (string_list_t *list) +{ + int length = 0; + string_node_t *node; + + if (list == NULL) + return 0; + + for (node = list->head; node; node = node->next) + length++; + + return length; +} + +int +_string_list_equal (string_list_t *a, string_list_t *b) +{ + string_node_t *node_a, *node_b; + + if (a == NULL && b == NULL) + return 1; + + if (a == NULL || b == NULL) + return 0; + + for (node_a = a->head, node_b = b->head; + node_a && node_b; + node_a = node_a->next, node_b = node_b->next) + { + if (strcmp (node_a->str, node_b->str)) + return 0; + } + + /* Catch the case of lists being different lengths, (which + * would cause the loop above to terminate after the shorter + * list). */ + return node_a == node_b; +} + +argument_list_t * +_argument_list_create (void *ctx) +{ + argument_list_t *list; + + list = talloc (ctx, argument_list_t); + list->head = NULL; + list->tail = NULL; + + return list; +} + +void +_argument_list_append (argument_list_t *list, token_list_t *argument) +{ + argument_node_t *node; + + node = talloc (list, argument_node_t); + node->argument = argument; + + node->next = NULL; + + if (list->head == NULL) { + list->head = node; + } else { + list->tail->next = node; + } + + list->tail = node; +} + +int +_argument_list_length (argument_list_t *list) +{ + int length = 0; + argument_node_t *node; + + if (list == NULL) + return 0; + + for (node = list->head; node; node = node->next) + length++; + + return length; +} + +token_list_t * +_argument_list_member_at (argument_list_t *list, int index) +{ + argument_node_t *node; + int i; + + if (list == NULL) + return NULL; + + node = list->head; + for (i = 0; i < index; i++) { + node = node->next; + if (node == NULL) + break; + } + + if (node) + return node->argument; + + return NULL; +} + +/* Note: This function talloc_steal()s the str pointer. */ +token_t * +_token_create_str (void *ctx, int type, char *str) +{ + token_t *token; + + token = talloc (ctx, token_t); + token->type = type; + token->value.str = talloc_steal (token, str); + + return token; +} + +token_t * +_token_create_ival (void *ctx, int type, int ival) +{ + token_t *token; + + token = talloc (ctx, token_t); + token->type = type; + token->value.ival = ival; + + return token; +} + +token_list_t * +_token_list_create (void *ctx) +{ + token_list_t *list; + + list = talloc (ctx, token_list_t); + list->head = NULL; + list->tail = NULL; + list->non_space_tail = NULL; + + return list; +} + +void +_token_list_append (token_list_t *list, token_t *token) +{ + token_node_t *node; + + node = talloc (list, token_node_t); + node->token = talloc_steal (list, token); + + node->next = NULL; + + if (list->head == NULL) { + list->head = node; + } else { + list->tail->next = node; + } + + list->tail = node; + if (token->type != SPACE) + list->non_space_tail = node; +} + +void +_token_list_append_list (token_list_t *list, token_list_t *tail) +{ + if (tail == NULL || tail->head == NULL) + return; + + if (list->head == NULL) { + list->head = tail->head; + } else { + list->tail->next = tail->head; + } + + list->tail = tail->tail; + list->non_space_tail = tail->non_space_tail; +} + +static token_list_t * +_token_list_copy (void *ctx, token_list_t *other) +{ + token_list_t *copy; + token_node_t *node; + + if (other == NULL) + return NULL; + + copy = _token_list_create (ctx); + for (node = other->head; node; node = node->next) { + token_t *new_token = talloc (copy, token_t); + *new_token = *node->token; + _token_list_append (copy, new_token); + } + + return copy; +} + +static void +_token_list_trim_trailing_space (token_list_t *list) +{ + token_node_t *tail, *next; + + if (list->non_space_tail) { + tail = list->non_space_tail->next; + list->non_space_tail->next = NULL; + list->tail = list->non_space_tail; + + while (tail) { + next = tail->next; + talloc_free (tail); + tail = next; + } + } +} + +int +_token_list_is_empty_ignoring_space (token_list_t *l) +{ + token_node_t *n; + + if (l == NULL) + return 1; + + n = l->head; + while (n != NULL && n->token->type == SPACE) + n = n->next; + + return n == NULL; +} + +int +_token_list_equal_ignoring_space (token_list_t *a, token_list_t *b) +{ + token_node_t *node_a, *node_b; + + if (a == NULL || b == NULL) { + int a_empty = _token_list_is_empty_ignoring_space(a); + int b_empty = _token_list_is_empty_ignoring_space(b); + return a_empty == b_empty; + } + + node_a = a->head; + node_b = b->head; + + while (1) + { + if (node_a == NULL && node_b == NULL) + break; + + if (node_a == NULL || node_b == NULL) + return 0; + + if (node_a->token->type == SPACE) { + node_a = node_a->next; + continue; + } + + if (node_b->token->type == SPACE) { + node_b = node_b->next; + continue; + } + + if (node_a->token->type != node_b->token->type) + return 0; + + switch (node_a->token->type) { + case INTEGER: + if (node_a->token->value.ival != + node_b->token->value.ival) + { + return 0; + } + break; + case IDENTIFIER: + case INTEGER_STRING: + case OTHER: + if (strcmp (node_a->token->value.str, + node_b->token->value.str)) + { + return 0; + } + break; + } + + node_a = node_a->next; + node_b = node_b->next; + } + + return 1; +} + +static void +_token_print (char **out, token_t *token) +{ + if (token->type < 256) { + glcpp_printf (*out, "%c", token->type); + return; + } + + switch (token->type) { + case INTEGER: + glcpp_printf (*out, "%" PRIiMAX, token->value.ival); + break; + case IDENTIFIER: + case INTEGER_STRING: + case OTHER: + glcpp_print (*out, token->value.str); + break; + case SPACE: + glcpp_print (*out, " "); + break; + case LEFT_SHIFT: + glcpp_print (*out, "<<"); + break; + case RIGHT_SHIFT: + glcpp_print (*out, ">>"); + break; + case LESS_OR_EQUAL: + glcpp_print (*out, "<="); + break; + case GREATER_OR_EQUAL: + glcpp_print (*out, ">="); + break; + case EQUAL: + glcpp_print (*out, "=="); + break; + case NOT_EQUAL: + glcpp_print (*out, "!="); + break; + case AND: + glcpp_print (*out, "&&"); + break; + case OR: + glcpp_print (*out, "||"); + break; + case PASTE: + glcpp_print (*out, "##"); + break; + case COMMA_FINAL: + glcpp_print (*out, ","); + break; + case PLACEHOLDER: + /* Nothing to print. */ + break; + default: + assert(!"Error: Don't know how to print token."); + break; + } +} + +/* Return a new token (talloc()ed off of 'token') formed by pasting + * 'token' and 'other'. Note that this function may return 'token' or + * 'other' directly rather than allocating anything new. + * + * Caution: Only very cursory error-checking is performed to see if + * the final result is a valid single token. */ +static token_t * +_token_paste (glcpp_parser_t *parser, token_t *token, token_t *other) +{ + token_t *combined = NULL; + + /* Pasting a placeholder onto anything makes no change. */ + if (other->type == PLACEHOLDER) + return token; + + /* When 'token' is a placeholder, just return 'other'. */ + if (token->type == PLACEHOLDER) + return other; + + /* A very few single-character punctuators can be combined + * with another to form a multi-character punctuator. */ + switch (token->type) { + case '<': + if (other->type == '<') + combined = _token_create_ival (token, LEFT_SHIFT, LEFT_SHIFT); + else if (other->type == '=') + combined = _token_create_ival (token, LESS_OR_EQUAL, LESS_OR_EQUAL); + break; + case '>': + if (other->type == '>') + combined = _token_create_ival (token, RIGHT_SHIFT, RIGHT_SHIFT); + else if (other->type == '=') + combined = _token_create_ival (token, GREATER_OR_EQUAL, GREATER_OR_EQUAL); + break; + case '=': + if (other->type == '=') + combined = _token_create_ival (token, EQUAL, EQUAL); + break; + case '!': + if (other->type == '=') + combined = _token_create_ival (token, NOT_EQUAL, NOT_EQUAL); + break; + case '&': + if (other->type == '&') + combined = _token_create_ival (token, AND, AND); + break; + case '|': + if (other->type == '|') + combined = _token_create_ival (token, OR, OR); + break; + } + + if (combined != NULL) { + /* Inherit the location from the first token */ + combined->location = token->location; + return combined; + } + + /* Two string-valued tokens can usually just be mashed + * together. + * + * XXX: This isn't actually legitimate. Several things here + * should result in a diagnostic since the result cannot be a + * valid, single pre-processing token. For example, pasting + * "123" and "abc" is not legal, but we don't catch that + * here. */ + if ((token->type == IDENTIFIER || token->type == OTHER || token->type == INTEGER_STRING) && + (other->type == IDENTIFIER || other->type == OTHER || other->type == INTEGER_STRING)) + { + char *str; + + str = talloc_asprintf (token, "%s%s", token->value.str, + other->value.str); + combined = _token_create_str (token, token->type, str); + combined->location = token->location; + return combined; + } + + glcpp_error (&token->location, parser, ""); + glcpp_print (parser->info_log, "Pasting \""); + _token_print (&parser->info_log, token); + glcpp_print (parser->info_log, "\" and \""); + _token_print (&parser->info_log, other); + glcpp_print (parser->info_log, "\" does not give a valid preprocessing token.\n"); + + return token; +} + +static void +_token_list_print (glcpp_parser_t *parser, token_list_t *list) +{ + token_node_t *node; + + if (list == NULL) + return; + + for (node = list->head; node; node = node->next) + _token_print (&parser->output, node->token); +} + +void +yyerror (YYLTYPE *locp, glcpp_parser_t *parser, const char *error) +{ + glcpp_error(locp, parser, "%s", error); +} + +static void add_builtin_define(glcpp_parser_t *parser, + const char *name, int value) +{ + token_t *tok; + token_list_t *list; + + tok = _token_create_ival (parser, INTEGER, value); + + list = _token_list_create(parser); + _token_list_append(list, tok); + _define_object_macro(parser, NULL, name, list); +} + +glcpp_parser_t * +glcpp_parser_create (const struct gl_extensions *extensions, int api) +{ + glcpp_parser_t *parser; + int language_version; + + parser = talloc (NULL, glcpp_parser_t); + + glcpp_lex_init_extra (parser, &parser->scanner); + parser->defines = hash_table_ctor (32, hash_table_string_hash, + hash_table_string_compare); + parser->active = NULL; + parser->lexing_if = 0; + parser->space_tokens = 1; + parser->newline_as_space = 0; + parser->in_control_line = 0; + parser->paren_count = 0; + + parser->skip_stack = NULL; + + parser->lex_from_list = NULL; + parser->lex_from_node = NULL; + + parser->output = talloc_strdup(parser, ""); + parser->info_log = talloc_strdup(parser, ""); + parser->error = 0; + + /* Add pre-defined macros. */ + add_builtin_define(parser, "GL_ARB_draw_buffers", 1); + add_builtin_define(parser, "GL_ARB_texture_rectangle", 1); + + if (api == API_OPENGLES2) + add_builtin_define(parser, "GL_ES", 1); + + if (extensions != NULL) { + if (extensions->EXT_texture_array) { + add_builtin_define(parser, "GL_EXT_texture_array", 1); + } + + if (extensions->ARB_fragment_coord_conventions) + add_builtin_define(parser, "GL_ARB_fragment_coord_conventions", + 1); + + if (extensions->ARB_explicit_attrib_location) + add_builtin_define(parser, "GL_ARB_explicit_attrib_location", 1); + if (extensions->AMD_conservative_depth) + add_builtin_define(parser, "GL_AMD_conservative_depth", 1); + } + + language_version = 110; + add_builtin_define(parser, "__VERSION__", language_version); + + return parser; +} + +int +glcpp_parser_parse (glcpp_parser_t *parser) +{ + return yyparse (parser); +} + +void +glcpp_parser_destroy (glcpp_parser_t *parser) +{ + glcpp_lex_destroy (parser->scanner); + hash_table_dtor (parser->defines); + talloc_free (parser); +} + +typedef enum function_status +{ + FUNCTION_STATUS_SUCCESS, + FUNCTION_NOT_A_FUNCTION, + FUNCTION_UNBALANCED_PARENTHESES +} function_status_t; + +/* Find a set of function-like macro arguments by looking for a + * balanced set of parentheses. + * + * When called, 'node' should be the opening-parenthesis token, (or + * perhaps preceeding SPACE tokens). Upon successful return *last will + * be the last consumed node, (corresponding to the closing right + * parenthesis). + * + * Return values: + * + * FUNCTION_STATUS_SUCCESS: + * + * Successfully parsed a set of function arguments. + * + * FUNCTION_NOT_A_FUNCTION: + * + * Macro name not followed by a '('. This is not an error, but + * simply that the macro name should be treated as a non-macro. + * + * FUNCTION_UNBALANCED_PARENTHESES + * + * Macro name is not followed by a balanced set of parentheses. + */ +static function_status_t +_arguments_parse (argument_list_t *arguments, + token_node_t *node, + token_node_t **last) +{ + token_list_t *argument; + int paren_count; + + node = node->next; + + /* Ignore whitespace before first parenthesis. */ + while (node && node->token->type == SPACE) + node = node->next; + + if (node == NULL || node->token->type != '(') + return FUNCTION_NOT_A_FUNCTION; + + node = node->next; + + argument = _token_list_create (arguments); + _argument_list_append (arguments, argument); + + for (paren_count = 1; node; node = node->next) { + if (node->token->type == '(') + { + paren_count++; + } + else if (node->token->type == ')') + { + paren_count--; + if (paren_count == 0) + break; + } + + if (node->token->type == ',' && + paren_count == 1) + { + _token_list_trim_trailing_space (argument); + argument = _token_list_create (arguments); + _argument_list_append (arguments, argument); + } + else { + if (argument->head == NULL) { + /* Don't treat initial whitespace as + * part of the arguement. */ + if (node->token->type == SPACE) + continue; + } + _token_list_append (argument, node->token); + } + } + + if (paren_count) + return FUNCTION_UNBALANCED_PARENTHESES; + + *last = node; + + return FUNCTION_STATUS_SUCCESS; +} + +static token_list_t * +_token_list_create_with_one_space (void *ctx) +{ + token_list_t *list; + token_t *space; + + list = _token_list_create (ctx); + space = _token_create_ival (list, SPACE, SPACE); + _token_list_append (list, space); + + return list; +} + +static void +_glcpp_parser_expand_if (glcpp_parser_t *parser, int type, token_list_t *list) +{ + token_list_t *expanded; + token_t *token; + + expanded = _token_list_create (parser); + token = _token_create_ival (parser, type, type); + _token_list_append (expanded, token); + _glcpp_parser_expand_token_list (parser, list); + _token_list_append_list (expanded, list); + glcpp_parser_lex_from (parser, expanded); +} + +/* This is a helper function that's essentially part of the + * implementation of _glcpp_parser_expand_node. It shouldn't be called + * except for by that function. + * + * Returns NULL if node is a simple token with no expansion, (that is, + * although 'node' corresponds to an identifier defined as a + * function-like macro, it is not followed with a parenthesized + * argument list). + * + * Compute the complete expansion of node (which is a function-like + * macro) and subsequent nodes which are arguments. + * + * Returns the token list that results from the expansion and sets + * *last to the last node in the list that was consumed by the + * expansion. Specifically, *last will be set as follows: as the + * token of the closing right parenthesis. + */ +static token_list_t * +_glcpp_parser_expand_function (glcpp_parser_t *parser, + token_node_t *node, + token_node_t **last) + +{ + macro_t *macro; + const char *identifier; + argument_list_t *arguments; + function_status_t status; + token_list_t *substituted; + int parameter_index; + + identifier = node->token->value.str; + + macro = hash_table_find (parser->defines, identifier); + + assert (macro->is_function); + + arguments = _argument_list_create (parser); + status = _arguments_parse (arguments, node, last); + + switch (status) { + case FUNCTION_STATUS_SUCCESS: + break; + case FUNCTION_NOT_A_FUNCTION: + return NULL; + case FUNCTION_UNBALANCED_PARENTHESES: + glcpp_error (&node->token->location, parser, "Macro %s call has unbalanced parentheses\n", identifier); + return NULL; + } + + /* Replace a macro defined as empty with a SPACE token. */ + if (macro->replacements == NULL) { + talloc_free (arguments); + return _token_list_create_with_one_space (parser); + } + + if (! ((_argument_list_length (arguments) == + _string_list_length (macro->parameters)) || + (_string_list_length (macro->parameters) == 0 && + _argument_list_length (arguments) == 1 && + arguments->head->argument->head == NULL))) + { + glcpp_error (&node->token->location, parser, + "Error: macro %s invoked with %d arguments (expected %d)\n", + identifier, + _argument_list_length (arguments), + _string_list_length (macro->parameters)); + return NULL; + } + + /* Perform argument substitution on the replacement list. */ + substituted = _token_list_create (arguments); + + for (node = macro->replacements->head; node; node = node->next) + { + if (node->token->type == IDENTIFIER && + _string_list_contains (macro->parameters, + node->token->value.str, + ¶meter_index)) + { + token_list_t *argument; + argument = _argument_list_member_at (arguments, + parameter_index); + /* Before substituting, we expand the argument + * tokens, or append a placeholder token for + * an empty argument. */ + if (argument->head) { + token_list_t *expanded_argument; + expanded_argument = _token_list_copy (parser, + argument); + _glcpp_parser_expand_token_list (parser, + expanded_argument); + _token_list_append_list (substituted, + expanded_argument); + } else { + token_t *new_token; + + new_token = _token_create_ival (substituted, + PLACEHOLDER, + PLACEHOLDER); + _token_list_append (substituted, new_token); + } + } else { + _token_list_append (substituted, node->token); + } + } + + /* After argument substitution, and before further expansion + * below, implement token pasting. */ + + _token_list_trim_trailing_space (substituted); + + node = substituted->head; + while (node) + { + token_node_t *next_non_space; + + /* Look ahead for a PASTE token, skipping space. */ + next_non_space = node->next; + while (next_non_space && next_non_space->token->type == SPACE) + next_non_space = next_non_space->next; + + if (next_non_space == NULL) + break; + + if (next_non_space->token->type != PASTE) { + node = next_non_space; + continue; + } + + /* Now find the next non-space token after the PASTE. */ + next_non_space = next_non_space->next; + while (next_non_space && next_non_space->token->type == SPACE) + next_non_space = next_non_space->next; + + if (next_non_space == NULL) { + yyerror (&node->token->location, parser, "'##' cannot appear at either end of a macro expansion\n"); + return NULL; + } + + node->token = _token_paste (parser, node->token, next_non_space->token); + node->next = next_non_space->next; + if (next_non_space == substituted->tail) + substituted->tail = node; + + node = node->next; + } + + substituted->non_space_tail = substituted->tail; + + return substituted; +} + +/* Compute the complete expansion of node, (and subsequent nodes after + * 'node' in the case that 'node' is a function-like macro and + * subsequent nodes are arguments). + * + * Returns NULL if node is a simple token with no expansion. + * + * Otherwise, returns the token list that results from the expansion + * and sets *last to the last node in the list that was consumed by + * the expansion. Specifically, *last will be set as follows: + * + * As 'node' in the case of object-like macro expansion. + * + * As the token of the closing right parenthesis in the case of + * function-like macro expansion. + */ +static token_list_t * +_glcpp_parser_expand_node (glcpp_parser_t *parser, + token_node_t *node, + token_node_t **last) +{ + token_t *token = node->token; + const char *identifier; + macro_t *macro; + + /* We only expand identifiers */ + if (token->type != IDENTIFIER) { + /* We change any COMMA into a COMMA_FINAL to prevent + * it being mistaken for an argument separator + * later. */ + if (token->type == ',') { + token->type = COMMA_FINAL; + token->value.ival = COMMA_FINAL; + } + + return NULL; + } + + /* Look up this identifier in the hash table. */ + identifier = token->value.str; + macro = hash_table_find (parser->defines, identifier); + + /* Not a macro, so no expansion needed. */ + if (macro == NULL) + return NULL; + + /* Finally, don't expand this macro if we're already actively + * expanding it, (to avoid infinite recursion). */ + if (_active_list_contains (parser->active, identifier)) { + /* We change the token type here from IDENTIFIER to + * OTHER to prevent any future expansion of this + * unexpanded token. */ + char *str; + token_list_t *expansion; + token_t *final; + + str = talloc_strdup (parser, token->value.str); + final = _token_create_str (parser, OTHER, str); + expansion = _token_list_create (parser); + _token_list_append (expansion, final); + *last = node; + return expansion; + } + + if (! macro->is_function) + { + *last = node; + + /* Replace a macro defined as empty with a SPACE token. */ + if (macro->replacements == NULL) + return _token_list_create_with_one_space (parser); + + return _token_list_copy (parser, macro->replacements); + } + + return _glcpp_parser_expand_function (parser, node, last); +} + +/* Push a new identifier onto the active list, returning the new list. + * + * Here, 'marker' is the token node that appears in the list after the + * expansion of 'identifier'. That is, when the list iterator begins + * examinging 'marker', then it is time to pop this node from the + * active stack. + */ +active_list_t * +_active_list_push (active_list_t *list, + const char *identifier, + token_node_t *marker) +{ + active_list_t *node; + + node = talloc (list, active_list_t); + node->identifier = talloc_strdup (node, identifier); + node->marker = marker; + node->next = list; + + return node; +} + +active_list_t * +_active_list_pop (active_list_t *list) +{ + active_list_t *node = list; + + if (node == NULL) + return NULL; + + node = list->next; + talloc_free (list); + + return node; +} + +int +_active_list_contains (active_list_t *list, const char *identifier) +{ + active_list_t *node; + + if (list == NULL) + return 0; + + for (node = list; node; node = node->next) + if (strcmp (node->identifier, identifier) == 0) + return 1; + + return 0; +} + +/* Walk over the token list replacing nodes with their expansion. + * Whenever nodes are expanded the walking will walk over the new + * nodes, continuing to expand as necessary. The results are placed in + * 'list' itself; + */ +static void +_glcpp_parser_expand_token_list (glcpp_parser_t *parser, + token_list_t *list) +{ + token_node_t *node_prev; + token_node_t *node, *last = NULL; + token_list_t *expansion; + + if (list == NULL) + return; + + _token_list_trim_trailing_space (list); + + node_prev = NULL; + node = list->head; + + while (node) { + + while (parser->active && parser->active->marker == node) + parser->active = _active_list_pop (parser->active); + + /* Find the expansion for node, which will replace all + * nodes from node to last, inclusive. */ + expansion = _glcpp_parser_expand_node (parser, node, &last); + if (expansion) { + token_node_t *n; + + for (n = node; n != last->next; n = n->next) + while (parser->active && + parser->active->marker == n) + { + parser->active = _active_list_pop (parser->active); + } + + parser->active = _active_list_push (parser->active, + node->token->value.str, + last->next); + + /* Splice expansion into list, supporting a + * simple deletion if the expansion is + * empty. */ + if (expansion->head) { + if (node_prev) + node_prev->next = expansion->head; + else + list->head = expansion->head; + expansion->tail->next = last->next; + if (last == list->tail) + list->tail = expansion->tail; + } else { + if (node_prev) + node_prev->next = last->next; + else + list->head = last->next; + if (last == list->tail) + list->tail = NULL; + } + } else { + node_prev = node; + } + node = node_prev ? node_prev->next : list->head; + } + + while (parser->active) + parser->active = _active_list_pop (parser->active); + + list->non_space_tail = list->tail; +} + +void +_glcpp_parser_print_expanded_token_list (glcpp_parser_t *parser, + token_list_t *list) +{ + if (list == NULL) + return; + + _glcpp_parser_expand_token_list (parser, list); + + _token_list_trim_trailing_space (list); + + _token_list_print (parser, list); +} + +static void +_check_for_reserved_macro_name (glcpp_parser_t *parser, YYLTYPE *loc, + const char *identifier) +{ + /* According to the GLSL specification, macro names starting with "__" + * or "GL_" are reserved for future use. So, don't allow them. + */ + if (strncmp(identifier, "__", 2) == 0) { + glcpp_error (loc, parser, "Macro names starting with \"__\" are reserved.\n"); + } + if (strncmp(identifier, "GL_", 3) == 0) { + glcpp_error (loc, parser, "Macro names starting with \"GL_\" are reserved.\n"); + } +} + +static int +_macro_equal (macro_t *a, macro_t *b) +{ + if (a->is_function != b->is_function) + return 0; + + if (a->is_function) { + if (! _string_list_equal (a->parameters, b->parameters)) + return 0; + } + + return _token_list_equal_ignoring_space (a->replacements, + b->replacements); +} + +void +_define_object_macro (glcpp_parser_t *parser, + YYLTYPE *loc, + const char *identifier, + token_list_t *replacements) +{ + macro_t *macro, *previous; + + if (loc != NULL) + _check_for_reserved_macro_name(parser, loc, identifier); + + macro = talloc (parser, macro_t); + + macro->is_function = 0; + macro->parameters = NULL; + macro->identifier = talloc_strdup (macro, identifier); + macro->replacements = talloc_steal (macro, replacements); + + previous = hash_table_find (parser->defines, identifier); + if (previous) { + if (_macro_equal (macro, previous)) { + talloc_free (macro); + return; + } + glcpp_error (loc, parser, "Redefinition of macro %s\n", + identifier); + } + + hash_table_insert (parser->defines, macro, identifier); +} + +void +_define_function_macro (glcpp_parser_t *parser, + YYLTYPE *loc, + const char *identifier, + string_list_t *parameters, + token_list_t *replacements) +{ + macro_t *macro, *previous; + + _check_for_reserved_macro_name(parser, loc, identifier); + + macro = talloc (parser, macro_t); + + macro->is_function = 1; + macro->parameters = talloc_steal (macro, parameters); + macro->identifier = talloc_strdup (macro, identifier); + macro->replacements = talloc_steal (macro, replacements); + + previous = hash_table_find (parser->defines, identifier); + if (previous) { + if (_macro_equal (macro, previous)) { + talloc_free (macro); + return; + } + glcpp_error (loc, parser, "Redefinition of macro %s\n", + identifier); + } + + hash_table_insert (parser->defines, macro, identifier); +} + +static int +glcpp_parser_lex (YYSTYPE *yylval, YYLTYPE *yylloc, glcpp_parser_t *parser) +{ + token_node_t *node; + int ret; + + if (parser->lex_from_list == NULL) { + ret = glcpp_lex (yylval, yylloc, parser->scanner); + + /* XXX: This ugly block of code exists for the sole + * purpose of converting a NEWLINE token into a SPACE + * token, but only in the case where we have seen a + * function-like macro name, but have not yet seen its + * closing parenthesis. + * + * There's perhaps a more compact way to do this with + * mid-rule actions in the grammar. + * + * I'm definitely not pleased with the complexity of + * this code here. + */ + if (parser->newline_as_space) + { + if (ret == '(') { + parser->paren_count++; + } else if (ret == ')') { + parser->paren_count--; + if (parser->paren_count == 0) + parser->newline_as_space = 0; + } else if (ret == NEWLINE) { + ret = SPACE; + } else if (ret != SPACE) { + if (parser->paren_count == 0) + parser->newline_as_space = 0; + } + } + else if (parser->in_control_line) + { + if (ret == NEWLINE) + parser->in_control_line = 0; + } + else if (ret == HASH_DEFINE_OBJ || ret == HASH_DEFINE_FUNC || + ret == HASH_UNDEF || ret == HASH_IF || + ret == HASH_IFDEF || ret == HASH_IFNDEF || + ret == HASH_ELIF || ret == HASH_ELSE || + ret == HASH_ENDIF || ret == HASH) + { + parser->in_control_line = 1; + } + else if (ret == IDENTIFIER) + { + macro_t *macro; + macro = hash_table_find (parser->defines, + yylval->str); + if (macro && macro->is_function) { + parser->newline_as_space = 1; + parser->paren_count = 0; + } + } + + return ret; + } + + node = parser->lex_from_node; + + if (node == NULL) { + talloc_free (parser->lex_from_list); + parser->lex_from_list = NULL; + return NEWLINE; + } + + *yylval = node->token->value; + ret = node->token->type; + + parser->lex_from_node = node->next; + + return ret; +} + +static void +glcpp_parser_lex_from (glcpp_parser_t *parser, token_list_t *list) +{ + token_node_t *node; + + assert (parser->lex_from_list == NULL); + + /* Copy list, eliminating any space tokens. */ + parser->lex_from_list = _token_list_create (parser); + + for (node = list->head; node; node = node->next) { + if (node->token->type == SPACE) + continue; + _token_list_append (parser->lex_from_list, node->token); + } + + talloc_free (list); + + parser->lex_from_node = parser->lex_from_list->head; + + /* It's possible the list consisted of nothing but whitespace. */ + if (parser->lex_from_node == NULL) { + talloc_free (parser->lex_from_list); + parser->lex_from_list = NULL; + } +} + +static void +_glcpp_parser_skip_stack_push_if (glcpp_parser_t *parser, YYLTYPE *loc, + int condition) +{ + skip_type_t current = SKIP_NO_SKIP; + skip_node_t *node; + + if (parser->skip_stack) + current = parser->skip_stack->type; + + node = talloc (parser, skip_node_t); + node->loc = *loc; + + if (current == SKIP_NO_SKIP) { + if (condition) + node->type = SKIP_NO_SKIP; + else + node->type = SKIP_TO_ELSE; + } else { + node->type = SKIP_TO_ENDIF; + } + + node->next = parser->skip_stack; + parser->skip_stack = node; +} + +static void +_glcpp_parser_skip_stack_change_if (glcpp_parser_t *parser, YYLTYPE *loc, + const char *type, int condition) +{ + if (parser->skip_stack == NULL) { + glcpp_error (loc, parser, "%s without #if\n", type); + return; + } + + if (parser->skip_stack->type == SKIP_TO_ELSE) { + if (condition) + parser->skip_stack->type = SKIP_NO_SKIP; + } else { + parser->skip_stack->type = SKIP_TO_ENDIF; + } +} + +static void +_glcpp_parser_skip_stack_pop (glcpp_parser_t *parser, YYLTYPE *loc) +{ + skip_node_t *node; + + if (parser->skip_stack == NULL) { + glcpp_error (loc, parser, "#endif without #if\n"); + return; + } + + node = parser->skip_stack; + parser->skip_stack = node->next; + talloc_free (node); +} diff --git a/mesalib/src/glsl/glsl_lexer.cpp b/mesalib/src/glsl/glsl_lexer.cpp index b923af2e5..04a434eb5 100644 --- a/mesalib/src/glsl/glsl_lexer.cpp +++ b/mesalib/src/glsl/glsl_lexer.cpp @@ -1,3722 +1,3713 @@ -#line 2 "glsl_lexer.cpp" - -#line 4 "glsl_lexer.cpp" - -#define YY_INT_ALIGNED short int - -/* A lexical scanner generated by flex */ - -#define FLEX_SCANNER -#define YY_FLEX_MAJOR_VERSION 2 -#define YY_FLEX_MINOR_VERSION 5 -#define YY_FLEX_SUBMINOR_VERSION 35 -#if YY_FLEX_SUBMINOR_VERSION > 0 -#define FLEX_BETA -#endif - -/* First, we deal with platform-specific or compiler-specific issues. */ - -/* begin standard C headers. */ -#include -#include -#include -#include - -/* end standard C headers. */ - -/* flex integer type definitions */ - -#ifndef FLEXINT_H -#define FLEXINT_H - -/* C99 systems have . Non-C99 systems may or may not. */ - -#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L - -/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h, - * if you want the limit (max/min) macros for int types. - */ -#ifndef __STDC_LIMIT_MACROS -#define __STDC_LIMIT_MACROS 1 -#endif - -#include -typedef int8_t flex_int8_t; -typedef uint8_t flex_uint8_t; -typedef int16_t flex_int16_t; -typedef uint16_t flex_uint16_t; -typedef int32_t flex_int32_t; -typedef uint32_t flex_uint32_t; -#else -typedef signed char flex_int8_t; -typedef short int flex_int16_t; -typedef int flex_int32_t; -typedef unsigned char flex_uint8_t; -typedef unsigned short int flex_uint16_t; -typedef unsigned int flex_uint32_t; - -/* Limits of integral types. */ -#ifndef INT8_MIN -#define INT8_MIN (-128) -#endif -#ifndef INT16_MIN -#define INT16_MIN (-32767-1) -#endif -#ifndef INT32_MIN -#define INT32_MIN (-2147483647-1) -#endif -#ifndef INT8_MAX -#define INT8_MAX (127) -#endif -#ifndef INT16_MAX -#define INT16_MAX (32767) -#endif -#ifndef INT32_MAX -#define INT32_MAX (2147483647) -#endif -#ifndef UINT8_MAX -#define UINT8_MAX (255U) -#endif -#ifndef UINT16_MAX -#define UINT16_MAX (65535U) -#endif -#ifndef UINT32_MAX -#define UINT32_MAX (4294967295U) -#endif - -#endif /* ! C99 */ - -#endif /* ! FLEXINT_H */ - -#ifdef __cplusplus - -/* The "const" storage-class-modifier is valid. */ -#define YY_USE_CONST - -#else /* ! __cplusplus */ - -/* C99 requires __STDC__ to be defined as 1. */ -#if defined (__STDC__) - -#define YY_USE_CONST - -#endif /* defined (__STDC__) */ -#endif /* ! __cplusplus */ - -#ifdef YY_USE_CONST -#define yyconst const -#else -#define yyconst -#endif - -/* Returned upon end-of-file. */ -#define YY_NULL 0 - -/* Promotes a possibly negative, possibly signed char to an unsigned - * integer for use as an array index. 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This macro really ought to take a parameter, - * but we do it the disgusting crufty way forced on us by the ()-less - * definition of BEGIN. - */ -#define BEGIN yyg->yy_start = 1 + 2 * - -/* Translate the current start state into a value that can be later handed - * to BEGIN to return to the state. The YYSTATE alias is for lex - * compatibility. - */ -#define YY_START ((yyg->yy_start - 1) / 2) -#define YYSTATE YY_START - -/* Action number for EOF rule of a given start state. */ -#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1) - -/* Special action meaning "start processing a new file". */ -#define YY_NEW_FILE _mesa_glsl_restart(yyin ,yyscanner ) - -#define YY_END_OF_BUFFER_CHAR 0 - -/* Size of default input buffer. */ -#ifndef YY_BUF_SIZE -#ifdef __ia64__ -/* On IA-64, the buffer size is 16k, not 8k. - * Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case. - * Ditto for the __ia64__ case accordingly. - */ -#define YY_BUF_SIZE 32768 -#else -#define YY_BUF_SIZE 16384 -#endif /* __ia64__ */ -#endif - -/* The state buf must be large enough to hold one state per character in the main buffer. - */ -#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type)) - -#ifndef YY_TYPEDEF_YY_BUFFER_STATE -#define YY_TYPEDEF_YY_BUFFER_STATE -typedef struct yy_buffer_state *YY_BUFFER_STATE; -#endif - -#define EOB_ACT_CONTINUE_SCAN 0 -#define EOB_ACT_END_OF_FILE 1 -#define EOB_ACT_LAST_MATCH 2 - - #define YY_LESS_LINENO(n) - -/* Return all but the first "n" matched characters back to the input stream. */ -#define yyless(n) \ - do \ - { \ - /* Undo effects of setting up yytext. */ \ - int yyless_macro_arg = (n); \ - YY_LESS_LINENO(yyless_macro_arg);\ - *yy_cp = yyg->yy_hold_char; \ - YY_RESTORE_YY_MORE_OFFSET \ - yyg->yy_c_buf_p = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \ - YY_DO_BEFORE_ACTION; /* set up yytext again */ \ - } \ - while ( 0 ) - -#define unput(c) yyunput( c, yyg->yytext_ptr , yyscanner ) - -#ifndef YY_TYPEDEF_YY_SIZE_T -#define YY_TYPEDEF_YY_SIZE_T -typedef size_t yy_size_t; -#endif - -#ifndef YY_STRUCT_YY_BUFFER_STATE -#define YY_STRUCT_YY_BUFFER_STATE -struct yy_buffer_state - { - FILE *yy_input_file; - - char *yy_ch_buf; /* input buffer */ - char *yy_buf_pos; /* current position in input buffer */ - - /* Size of input buffer in bytes, not including room for EOB - * characters. - */ - yy_size_t yy_buf_size; - - /* Number of characters read into yy_ch_buf, not including EOB - * characters. - */ - int yy_n_chars; - - /* Whether we "own" the buffer - i.e., we know we created it, - * and can realloc() it to grow it, and should free() it to - * delete it. - */ - int yy_is_our_buffer; - - /* Whether this is an "interactive" input source; if so, and - * if we're using stdio for input, then we want to use getc() - * instead of fread(), to make sure we stop fetching input after - * each newline. - */ - int yy_is_interactive; - - /* Whether we're considered to be at the beginning of a line. - * If so, '^' rules will be active on the next match, otherwise - * not. - */ - int yy_at_bol; - - int yy_bs_lineno; /**< The line count. */ - int yy_bs_column; /**< The column count. */ - - /* Whether to try to fill the input buffer when we reach the - * end of it. - */ - int yy_fill_buffer; - - int yy_buffer_status; - -#define YY_BUFFER_NEW 0 -#define YY_BUFFER_NORMAL 1 - /* When an EOF's been seen but there's still some text to process - * then we mark the buffer as YY_EOF_PENDING, to indicate that we - * shouldn't try reading from the input source any more. We might - * still have a bunch of tokens to match, though, because of - * possible backing-up. - * - * When we actually see the EOF, we change the status to "new" - * (via _mesa_glsl_restart()), so that the user can continue scanning by - * just pointing yyin at a new input file. - */ -#define YY_BUFFER_EOF_PENDING 2 - - }; -#endif /* !YY_STRUCT_YY_BUFFER_STATE */ - -/* We provide macros for accessing buffer states in case in the - * future we want to put the buffer states in a more general - * "scanner state". - * - * Returns the top of the stack, or NULL. - */ -#define YY_CURRENT_BUFFER ( yyg->yy_buffer_stack \ - ? yyg->yy_buffer_stack[yyg->yy_buffer_stack_top] \ - : NULL) - -/* Same as previous macro, but useful when we know that the buffer stack is not - * NULL or when we need an lvalue. For internal use only. - */ -#define YY_CURRENT_BUFFER_LVALUE yyg->yy_buffer_stack[yyg->yy_buffer_stack_top] - -void _mesa_glsl_restart (FILE *input_file ,yyscan_t yyscanner ); -void _mesa_glsl__switch_to_buffer (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner ); -YY_BUFFER_STATE _mesa_glsl__create_buffer (FILE *file,int size ,yyscan_t yyscanner ); -void _mesa_glsl__delete_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner ); -void _mesa_glsl__flush_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner ); -void _mesa_glsl_push_buffer_state (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner ); -void _mesa_glsl_pop_buffer_state (yyscan_t yyscanner ); - -static void _mesa_glsl_ensure_buffer_stack (yyscan_t yyscanner ); -static void _mesa_glsl__load_buffer_state (yyscan_t yyscanner ); -static void _mesa_glsl__init_buffer (YY_BUFFER_STATE b,FILE *file ,yyscan_t yyscanner ); - -#define YY_FLUSH_BUFFER _mesa_glsl__flush_buffer(YY_CURRENT_BUFFER ,yyscanner) - -YY_BUFFER_STATE _mesa_glsl__scan_buffer (char *base,yy_size_t size ,yyscan_t yyscanner ); -YY_BUFFER_STATE _mesa_glsl__scan_string (yyconst char *yy_str ,yyscan_t yyscanner ); -YY_BUFFER_STATE _mesa_glsl__scan_bytes (yyconst char *bytes,int len ,yyscan_t yyscanner ); - -void *_mesa_glsl_alloc (yy_size_t ,yyscan_t yyscanner ); -void *_mesa_glsl_realloc (void *,yy_size_t ,yyscan_t yyscanner ); -void _mesa_glsl_free (void * ,yyscan_t yyscanner ); - -#define yy_new_buffer _mesa_glsl__create_buffer - -#define yy_set_interactive(is_interactive) \ - { \ - if ( ! YY_CURRENT_BUFFER ){ \ - _mesa_glsl_ensure_buffer_stack (yyscanner); \ - YY_CURRENT_BUFFER_LVALUE = \ - _mesa_glsl__create_buffer(yyin,YY_BUF_SIZE ,yyscanner); \ - } \ - YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \ - } - -#define yy_set_bol(at_bol) \ - { \ - if ( ! YY_CURRENT_BUFFER ){\ - _mesa_glsl_ensure_buffer_stack (yyscanner); \ - YY_CURRENT_BUFFER_LVALUE = \ - _mesa_glsl__create_buffer(yyin,YY_BUF_SIZE ,yyscanner); \ - } \ - YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \ - } - -#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol) - -/* Begin user sect3 */ - -#define _mesa_glsl_wrap(n) 1 -#define YY_SKIP_YYWRAP - -typedef unsigned char YY_CHAR; - -typedef int yy_state_type; - -#define yytext_ptr yytext_r - -static yy_state_type yy_get_previous_state (yyscan_t yyscanner ); -static yy_state_type yy_try_NUL_trans (yy_state_type current_state ,yyscan_t yyscanner); -static int yy_get_next_buffer (yyscan_t yyscanner ); -static void yy_fatal_error (yyconst char msg[] ,yyscan_t yyscanner ); - -/* Done after the current pattern has been matched and before the - * corresponding action - sets up yytext. - */ -#define YY_DO_BEFORE_ACTION \ - yyg->yytext_ptr = yy_bp; \ - yyleng = (size_t) (yy_cp - yy_bp); \ - yyg->yy_hold_char = *yy_cp; \ - *yy_cp = '\0'; \ - yyg->yy_c_buf_p = yy_cp; - -#define YY_NUM_RULES 210 -#define YY_END_OF_BUFFER 211 -/* This struct is not used in this scanner, - but its presence is necessary. */ -struct yy_trans_info - { - flex_int32_t yy_verify; - flex_int32_t yy_nxt; - }; -static yyconst flex_int16_t yy_accept[836] = - { 0, - 0, 0, 16, 16, 0, 0, 211, 209, 1, 21, - 209, 209, 209, 209, 209, 209, 209, 209, 120, 118, - 209, 209, 209, 208, 209, 208, 208, 208, 208, 208, - 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, - 208, 208, 208, 208, 208, 209, 1, 209, 210, 16, - 20, 210, 19, 17, 18, 14, 13, 1, 102, 111, - 103, 114, 108, 97, 110, 98, 117, 122, 109, 123, - 120, 0, 0, 125, 120, 0, 118, 118, 106, 99, - 101, 100, 107, 208, 115, 105, 208, 208, 208, 208, - 208, 208, 208, 208, 208, 208, 208, 208, 30, 208, - - 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, - 208, 208, 34, 208, 208, 61, 208, 208, 208, 208, - 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, - 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, - 208, 208, 208, 208, 208, 208, 208, 208, 208, 116, - 104, 1, 0, 0, 2, 0, 0, 0, 0, 16, - 15, 19, 18, 0, 122, 121, 0, 123, 0, 124, - 119, 112, 113, 208, 128, 208, 208, 208, 208, 208, - 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, - 208, 208, 208, 208, 208, 208, 33, 208, 208, 208, - - 208, 208, 208, 208, 208, 208, 208, 26, 208, 208, - 208, 208, 208, 208, 208, 208, 208, 208, 208, 62, - 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, - 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, - 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, - 0, 0, 0, 0, 15, 0, 122, 0, 121, 0, - 123, 124, 119, 208, 208, 24, 208, 208, 175, 168, - 208, 208, 208, 208, 208, 208, 208, 208, 208, 32, - 131, 208, 208, 208, 208, 68, 208, 208, 136, 150, - 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, - - 208, 208, 147, 171, 49, 50, 51, 208, 208, 208, - 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, - 208, 208, 208, 208, 208, 208, 208, 134, 126, 208, - 208, 27, 208, 208, 208, 208, 208, 208, 208, 46, - 47, 48, 95, 208, 208, 0, 0, 0, 0, 0, - 121, 208, 208, 28, 37, 38, 39, 208, 129, 208, - 23, 208, 208, 208, 208, 158, 159, 160, 208, 127, - 208, 151, 25, 161, 162, 163, 173, 155, 156, 157, - 208, 208, 208, 63, 153, 208, 208, 208, 40, 41, - 42, 208, 208, 208, 208, 208, 208, 208, 208, 208, - - 208, 208, 208, 208, 208, 208, 208, 148, 208, 208, - 208, 208, 208, 208, 208, 208, 208, 208, 130, 208, - 208, 170, 43, 44, 45, 208, 208, 31, 0, 0, - 0, 0, 178, 208, 208, 176, 208, 208, 208, 149, - 144, 181, 208, 208, 208, 208, 208, 208, 139, 208, - 208, 208, 96, 52, 53, 54, 55, 56, 57, 58, - 59, 60, 208, 208, 208, 208, 154, 135, 208, 208, - 142, 36, 208, 208, 167, 69, 143, 94, 179, 137, - 208, 208, 208, 208, 208, 208, 208, 208, 0, 0, - 0, 0, 208, 208, 208, 138, 35, 208, 208, 208, - - 208, 208, 208, 182, 183, 184, 208, 208, 208, 208, - 208, 172, 208, 208, 208, 208, 208, 208, 208, 208, - 132, 208, 208, 208, 208, 208, 64, 208, 208, 65, - 208, 0, 0, 0, 0, 0, 208, 66, 29, 145, - 186, 187, 188, 208, 208, 208, 208, 208, 208, 208, - 208, 208, 208, 208, 208, 140, 208, 208, 208, 208, - 208, 208, 208, 208, 208, 133, 190, 191, 192, 208, - 208, 152, 208, 141, 0, 0, 6, 0, 0, 0, - 12, 3, 22, 208, 208, 208, 208, 208, 208, 208, - 208, 208, 185, 146, 67, 208, 208, 208, 208, 169, - - 208, 177, 174, 207, 71, 72, 73, 208, 208, 208, - 208, 208, 208, 208, 208, 208, 208, 0, 0, 0, - 0, 0, 0, 0, 208, 208, 208, 189, 208, 208, - 208, 208, 208, 82, 83, 84, 208, 208, 208, 208, - 208, 208, 208, 208, 208, 208, 208, 208, 208, 193, - 88, 89, 90, 208, 4, 0, 5, 0, 0, 0, - 0, 0, 0, 208, 208, 208, 208, 208, 208, 208, - 204, 208, 208, 208, 208, 208, 208, 208, 208, 208, - 208, 208, 74, 208, 208, 208, 208, 208, 208, 0, - 0, 0, 0, 208, 208, 205, 194, 208, 195, 208, - - 208, 208, 85, 208, 208, 208, 208, 208, 208, 208, - 208, 208, 208, 208, 206, 208, 208, 91, 0, 0, - 0, 196, 197, 208, 200, 208, 201, 208, 208, 70, - 208, 208, 208, 164, 208, 165, 180, 208, 198, 199, - 208, 208, 0, 0, 0, 208, 208, 208, 208, 75, - 208, 76, 208, 208, 208, 208, 208, 0, 0, 0, - 0, 208, 208, 86, 87, 208, 77, 208, 208, 78, - 208, 92, 93, 0, 0, 0, 0, 208, 208, 208, - 208, 208, 208, 0, 0, 0, 0, 208, 208, 208, - 208, 208, 79, 0, 0, 0, 7, 0, 0, 202, - - 203, 208, 208, 208, 0, 0, 8, 0, 0, 208, - 208, 166, 0, 0, 0, 80, 81, 0, 0, 0, - 9, 0, 0, 10, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 11, 0 - } ; - -static yyconst flex_int32_t yy_ec[256] = - { 0, - 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, - 1, 1, 4, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 2, 5, 1, 6, 1, 7, 8, 1, 9, - 10, 11, 12, 1, 13, 14, 15, 16, 17, 18, - 19, 20, 21, 21, 21, 22, 22, 23, 1, 24, - 25, 26, 1, 1, 27, 28, 29, 30, 31, 32, - 33, 34, 34, 34, 34, 35, 34, 34, 34, 34, - 34, 36, 37, 38, 39, 34, 34, 40, 34, 34, - 1, 1, 1, 41, 42, 1, 43, 44, 45, 46, - - 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, - 57, 58, 34, 59, 60, 61, 62, 63, 64, 65, - 66, 67, 1, 68, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1 - } ; - -static yyconst flex_int32_t yy_meta[69] = - { 0, - 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, - 3, 3, 1, 1, 1, 1, 4, 4, 4, 4, - 3, 3, 5, 5, 5, 5, 5, 5, 5, 5, - 1, 5, 4, 4, 4, 4, 3, 3, 5, 5, - 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, - 5, 5, 5, 5, 5, 5, 5, 1 - } ; - -static yyconst flex_int16_t yy_base[845] = - { 0, - 0, 67, 73, 0, 1210, 1209, 1211, 1214, 68, 1214, - 1185, 1184, 134, 1183, 131, 132, 130, 1182, 146, 198, - 129, 1181, 144, 0, 130, 113, 124, 141, 150, 126, - 181, 1148, 159, 192, 118, 129, 146, 1142, 147, 174, - 206, 192, 203, 222, 1153, 203, 221, 231, 1214, 260, - 1214, 1187, 279, 1214, 0, 1214, 1214, 270, 1214, 1214, - 1214, 1214, 1214, 1214, 1214, 1214, 1214, 244, 1214, 255, - 139, 290, 307, 1214, 1214, 0, 0, 1214, 1176, 1214, - 1214, 1214, 1175, 0, 1214, 1214, 1138, 1143, 1136, 1139, - 1148, 1147, 1133, 1136, 1148, 144, 1142, 1129, 1126, 1140, - - 1126, 1123, 1123, 1129, 219, 193, 1123, 1134, 1119, 1125, - 1129, 1130, 0, 1121, 1132, 278, 1131, 1126, 1106, 224, - 1110, 1124, 1114, 232, 1107, 271, 1120, 1122, 1104, 1100, - 1108, 1105, 1094, 1103, 234, 1101, 1107, 1102, 1105, 1093, - 1096, 226, 145, 262, 1106, 1093, 1106, 263, 1099, 1214, - 1214, 338, 331, 343, 1214, 1084, 1097, 1088, 1099, 345, - 0, 334, 0, 345, 1214, 328, 391, 1214, 352, 398, - 338, 1214, 1214, 1094, 0, 1085, 1089, 1099, 1096, 332, - 1079, 1079, 1083, 320, 1094, 1091, 1091, 1089, 1086, 1077, - 1084, 1070, 1068, 1081, 1066, 1083, 0, 1080, 1067, 1075, - - 1072, 1076, 1077, 1070, 1067, 1055, 1054, 1068, 1071, 1058, - 1067, 1054, 1061, 1051, 364, 1057, 1060, 1050, 1058, 1046, - 1050, 1041, 1056, 1046, 1037, 1056, 1039, 1037, 1048, 1037, - 1032, 1030, 1044, 1029, 1031, 1028, 1040, 1039, 1042, 1023, - 338, 1032, 1027, 1025, 1035, 1013, 403, 1032, 1034, 1022, - 1014, 1018, 1030, 1013, 0, 415, 422, 439, 1214, 446, - 455, 1214, 1214, 1008, 1019, 0, 1016, 406, 0, 0, - 1009, 1007, 1009, 1004, 1013, 1001, 1019, 1007, 409, 0, - 0, 1001, 1012, 1011, 1011, 0, 995, 429, 0, 0, - 997, 460, 1005, 1006, 996, 990, 989, 990, 989, 989, - - 463, 984, 0, 0, 980, 979, 978, 980, 981, 986, - 980, 976, 990, 985, 984, 983, 974, 977, 977, 969, - 972, 967, 976, 981, 966, 979, 969, 0, 0, 976, - 972, 0, 963, 963, 969, 959, 967, 466, 964, 0, - 0, 0, 0, 953, 966, 965, 964, 961, 949, 472, - 479, 961, 963, 0, 0, 0, 0, 949, 0, 949, - 0, 948, 949, 943, 954, 0, 0, 0, 944, 0, - 940, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 951, 487, 950, 0, 0, 948, 944, 940, 0, 0, - 0, 932, 489, 494, 499, 937, 933, 939, 929, 927, - - 941, 925, 925, 939, 927, 939, 934, 0, 932, 929, - 933, 916, 918, 925, 931, 926, 925, 912, 0, 914, - 915, 0, 0, 0, 0, 912, 916, 0, 910, 963, - 909, 912, 0, 900, 910, 0, 898, 898, 912, 0, - 914, 0, 503, 926, 925, 924, 891, 890, 0, 908, - 907, 902, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 890, 904, 890, 887, 0, 0, 893, 892, - 0, 0, 890, 882, 0, 0, 0, 0, 0, 0, - 879, 891, 506, 883, 890, 889, 886, 880, 873, 524, - 889, 874, 869, 883, 881, 0, 0, 873, 896, 895, - - 894, 861, 860, 361, 365, 0, 873, 876, 874, 862, - 858, 0, 871, 868, 867, 856, 855, 854, 519, 863, - 0, 879, 878, 877, 844, 843, 0, 858, 844, 0, - 855, 850, 547, 553, 898, 843, 851, 0, 0, 0, - 870, 869, 0, 847, 850, 834, 842, 832, 840, 841, - 841, 840, 825, 559, 838, 0, 839, 827, 826, 822, - 850, 849, 848, 815, 814, 0, 848, 847, 0, 825, - 828, 0, 562, 0, 814, 580, 1214, 587, 0, 607, - 584, 1214, 0, 811, 810, 820, 820, 807, 822, 805, - 820, 815, 0, 0, 0, 831, 830, 829, 796, 0, - - 796, 0, 0, 0, 502, 524, 820, 807, 810, 794, - 793, 803, 803, 819, 818, 817, 784, 789, 615, 640, - 550, 806, 796, 784, 782, 781, 792, 0, 795, 791, - 793, 789, 775, 806, 805, 0, 787, 779, 770, 778, - 768, 779, 775, 777, 775, 775, 762, 761, 772, 0, - 791, 790, 0, 772, 1214, 555, 1214, 647, 0, 667, - 785, 770, 752, 769, 768, 751, 743, 751, 741, 749, - 0, 746, 745, 756, 739, 742, 757, 740, 753, 754, - 751, 748, 757, 750, 749, 732, 731, 730, 741, 582, - 754, 724, 734, 718, 717, 0, 745, 717, 743, 715, - - 719, 718, 0, 729, 732, 728, 730, 711, 725, 709, - 710, 718, 701, 700, 0, 706, 705, 0, 728, 713, - 706, 0, 0, 710, 0, 709, 0, 715, 714, 0, - 690, 698, 688, 716, 695, 0, 0, 708, 0, 0, - 707, 706, 746, 611, 696, 703, 702, 678, 677, 705, - 677, 703, 689, 674, 691, 670, 669, 190, 613, 557, - 667, 687, 686, 0, 0, 681, 0, 680, 686, 0, - 671, 0, 0, 671, 590, 343, 672, 645, 644, 654, - 635, 631, 612, 612, 604, 443, 635, 576, 575, 549, - 25, 87, 0, 183, 500, 552, 1214, 636, 591, 0, - - 0, 196, 258, 254, 272, 609, 1214, 614, 598, 279, - 284, 0, 336, 348, 671, 0, 0, 362, 672, 688, - 1214, 394, 689, 1214, 408, 670, 691, 649, 651, 474, - 476, 693, 694, 1214, 1214, 704, 707, 710, 530, 591, - 713, 717, 720, 722 - } ; - -static yyconst flex_int16_t yy_def[845] = - { 0, - 835, 1, 835, 3, 836, 836, 835, 835, 835, 835, - 835, 835, 835, 835, 835, 835, 835, 835, 835, 835, - 835, 835, 835, 837, 835, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 835, 835, 835, 835, 835, - 835, 835, 835, 835, 838, 835, 835, 835, 835, 835, - 835, 835, 835, 835, 835, 835, 835, 839, 835, 840, - 19, 835, 835, 835, 835, 841, 20, 835, 835, 835, - 835, 835, 835, 837, 835, 835, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 837, 835, - 835, 835, 835, 835, 835, 835, 835, 835, 835, 835, - 842, 835, 838, 835, 835, 840, 835, 835, 835, 835, - 841, 835, 835, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 835, 835, 835, 835, 842, 835, 835, 835, 835, 835, - 835, 835, 835, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 835, 835, 835, 835, 835, - 835, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 835, 835, - 835, 835, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 835, 835, - 835, 835, 837, 837, 837, 837, 837, 837, 837, 837, - - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 835, 835, 835, 835, 835, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 835, 835, 835, 835, 843, 835, - 835, 835, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 835, 835, 835, - 843, 835, 835, 835, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 835, 835, 835, 835, 844, 835, - 835, 835, 835, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 837, 844, - 835, 835, 835, 837, 837, 837, 837, 837, 837, 837, - - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 835, 835, - 835, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 835, 835, 835, 837, 837, 837, 837, 837, - 837, 837, 837, 837, 837, 837, 837, 835, 835, 835, - 835, 837, 837, 837, 837, 837, 837, 837, 837, 837, - 837, 837, 837, 835, 835, 835, 835, 837, 837, 837, - 837, 837, 837, 835, 835, 835, 835, 837, 837, 837, - 837, 837, 837, 835, 835, 835, 835, 835, 835, 837, - - 837, 837, 837, 837, 835, 835, 835, 835, 835, 837, - 837, 837, 835, 835, 835, 837, 837, 835, 835, 835, - 835, 835, 835, 835, 835, 835, 835, 835, 835, 835, - 835, 835, 835, 835, 0, 835, 835, 835, 835, 835, - 835, 835, 835, 835 - } ; - -static yyconst flex_int16_t yy_nxt[1283] = - { 0, - 8, 9, 10, 9, 11, 8, 12, 13, 8, 8, - 14, 15, 16, 17, 18, 19, 20, 20, 20, 20, - 20, 20, 8, 21, 22, 23, 24, 24, 24, 24, - 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, - 25, 24, 26, 27, 28, 29, 30, 31, 32, 33, - 34, 24, 24, 35, 36, 37, 38, 39, 40, 41, - 42, 43, 44, 45, 24, 24, 24, 46, 47, 58, - 803, 58, 48, 49, 50, 51, 50, 49, 49, 49, - 49, 49, 49, 49, 49, 49, 49, 52, 49, 53, - 53, 53, 53, 53, 53, 54, 49, 49, 49, 55, - - 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, - 55, 55, 55, 49, 55, 55, 55, 55, 55, 55, - 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, - 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, - 49, 61, 64, 804, 66, 68, 68, 68, 68, 68, - 68, 68, 79, 80, 85, 65, 67, 87, 62, 70, - 119, 71, 71, 71, 71, 71, 71, 72, 82, 83, - 86, 121, 88, 89, 120, 122, 73, 74, 835, 101, - 90, 102, 91, 93, 75, 76, 92, 94, 123, 126, - 103, 758, 73, 74, 95, 241, 97, 96, 183, 184, - - 98, 110, 124, 835, 242, 127, 99, 75, 128, 111, - 76, 70, 100, 77, 77, 77, 77, 77, 77, 77, - 129, 112, 152, 104, 58, 805, 153, 150, 73, 74, - 130, 105, 154, 155, 106, 195, 78, 107, 138, 113, - 774, 139, 114, 108, 73, 74, 115, 116, 131, 196, - 140, 117, 810, 142, 118, 132, 133, 141, 143, 78, - 134, 160, 144, 160, 146, 145, 135, 136, 147, 137, - 151, 58, 193, 58, 164, 165, 231, 156, 148, 213, - 239, 240, 218, 194, 157, 167, 168, 214, 158, 219, - 164, 165, 232, 159, 162, 162, 162, 162, 162, 162, - - 162, 167, 168, 70, 243, 72, 72, 72, 72, 72, - 72, 72, 244, 248, 811, 221, 249, 812, 169, 169, - 73, 74, 170, 170, 170, 170, 170, 170, 170, 222, - 813, 205, 154, 155, 206, 207, 73, 74, 208, 152, - 209, 58, 816, 153, 154, 155, 160, 817, 160, 162, - 162, 162, 162, 162, 162, 162, 256, 256, 258, 259, - 257, 257, 257, 257, 257, 257, 257, 170, 170, 170, - 170, 170, 170, 170, 258, 259, 263, 156, 269, 274, - 275, 305, 306, 307, 157, 333, 818, 546, 158, 156, - 785, 548, 270, 159, 334, 819, 157, 547, 786, 263, - - 158, 549, 260, 260, 822, 159, 261, 261, 261, 261, - 261, 261, 261, 170, 170, 170, 170, 170, 170, 170, - 340, 341, 342, 355, 356, 357, 366, 367, 368, 262, - 257, 257, 257, 257, 257, 257, 257, 257, 257, 257, - 257, 257, 257, 257, 796, 262, 374, 375, 376, 825, - 350, 350, 797, 165, 351, 351, 351, 351, 351, 351, - 351, 261, 261, 261, 261, 261, 261, 261, 826, 165, - 261, 261, 261, 261, 261, 261, 261, 378, 379, 380, - 389, 390, 391, 423, 424, 425, 168, 351, 351, 351, - 351, 351, 351, 351, 351, 351, 351, 351, 351, 351, - - 351, 806, 168, 444, 445, 446, 454, 455, 456, 807, - 259, 457, 458, 459, 447, 448, 460, 461, 462, 499, - 500, 501, 522, 523, 524, 490, 259, 831, 639, 832, - 502, 503, 68, 525, 526, 561, 562, 563, 640, 533, - 534, 534, 534, 534, 534, 534, 564, 565, 576, 577, - 641, 576, 577, 796, 576, 577, 656, 657, 775, 642, - 643, 797, 578, 578, 578, 578, 578, 578, 580, 580, - 580, 580, 580, 580, 580, 596, 597, 598, 614, 615, - 616, 576, 577, 656, 657, 581, 579, 599, 576, 577, - 617, 775, 808, 166, 802, 619, 620, 620, 620, 620, - - 620, 620, 578, 578, 578, 578, 578, 578, 576, 577, - 806, 579, 759, 776, 759, 808, 656, 657, 807, 760, - 622, 760, 580, 580, 580, 580, 580, 580, 580, 623, - 658, 658, 658, 658, 658, 658, 798, 798, 801, 800, - 624, 656, 657, 799, 799, 814, 776, 809, 656, 657, - 829, 795, 829, 815, 659, 660, 660, 660, 660, 660, - 660, 660, 658, 658, 658, 658, 658, 658, 656, 657, - 809, 827, 820, 823, 794, 793, 792, 791, 828, 659, - 821, 824, 660, 660, 660, 660, 660, 660, 660, 820, - 823, 830, 827, 830, 833, 833, 790, 821, 824, 828, - - 789, 788, 834, 834, 56, 56, 56, 56, 56, 84, - 84, 84, 163, 163, 163, 171, 171, 255, 787, 255, - 255, 255, 621, 621, 690, 690, 784, 783, 782, 781, - 780, 779, 778, 777, 773, 772, 771, 770, 769, 768, - 767, 766, 765, 764, 763, 762, 761, 758, 757, 756, - 755, 754, 753, 752, 751, 750, 749, 748, 747, 746, - 745, 744, 743, 742, 741, 740, 739, 738, 737, 736, - 735, 734, 733, 732, 731, 730, 729, 728, 727, 726, - 725, 724, 723, 722, 721, 720, 719, 718, 717, 716, - 715, 714, 713, 712, 711, 710, 709, 708, 707, 706, - - 705, 704, 703, 702, 701, 700, 699, 698, 697, 696, - 695, 694, 693, 692, 691, 689, 688, 687, 686, 685, - 684, 683, 682, 681, 680, 679, 678, 677, 676, 675, - 674, 673, 672, 671, 670, 669, 668, 667, 666, 665, - 664, 663, 662, 661, 655, 654, 653, 652, 651, 650, - 649, 648, 647, 646, 645, 644, 638, 637, 636, 635, - 634, 633, 632, 631, 630, 629, 628, 627, 626, 625, - 618, 613, 612, 611, 610, 609, 608, 607, 606, 605, - 604, 603, 602, 601, 600, 595, 594, 593, 592, 591, - 590, 589, 588, 587, 586, 585, 584, 583, 582, 581, - - 575, 574, 573, 572, 571, 570, 569, 568, 567, 566, - 560, 559, 558, 557, 556, 555, 554, 553, 552, 551, - 550, 545, 544, 543, 542, 541, 540, 539, 538, 537, - 536, 535, 532, 531, 530, 529, 528, 527, 521, 520, - 519, 518, 517, 516, 515, 514, 513, 512, 511, 510, - 509, 508, 507, 506, 505, 504, 498, 497, 496, 495, - 494, 493, 492, 491, 490, 489, 488, 487, 486, 485, - 484, 483, 482, 481, 480, 479, 478, 477, 476, 475, - 474, 473, 472, 471, 470, 469, 468, 467, 466, 465, - 464, 463, 453, 452, 451, 450, 449, 443, 442, 441, - - 440, 439, 438, 437, 436, 435, 434, 433, 432, 431, - 430, 429, 428, 427, 426, 422, 421, 420, 419, 418, - 417, 416, 415, 414, 413, 412, 411, 410, 409, 408, - 407, 406, 405, 404, 403, 402, 401, 400, 399, 398, - 397, 396, 395, 394, 393, 392, 388, 387, 386, 385, - 384, 383, 382, 381, 377, 373, 372, 371, 370, 369, - 365, 364, 363, 362, 361, 360, 359, 358, 354, 353, - 352, 349, 348, 347, 346, 345, 344, 343, 339, 338, - 337, 336, 335, 332, 331, 330, 329, 328, 327, 326, - 325, 324, 323, 322, 321, 320, 319, 318, 317, 316, - - 315, 314, 313, 312, 311, 310, 309, 308, 304, 303, - 302, 301, 300, 299, 298, 297, 296, 295, 294, 293, - 292, 291, 290, 289, 288, 287, 286, 285, 284, 283, - 282, 281, 280, 279, 278, 277, 276, 273, 272, 271, - 268, 267, 266, 265, 264, 254, 253, 252, 251, 250, - 247, 246, 245, 238, 237, 236, 235, 234, 233, 230, - 229, 228, 227, 226, 225, 224, 223, 220, 217, 216, - 215, 212, 211, 210, 204, 203, 202, 201, 200, 199, - 198, 197, 192, 191, 190, 189, 188, 187, 186, 185, - 182, 181, 180, 179, 178, 177, 176, 175, 174, 173, - - 172, 161, 149, 125, 109, 81, 69, 63, 60, 59, - 835, 57, 57, 7, 835, 835, 835, 835, 835, 835, - 835, 835, 835, 835, 835, 835, 835, 835, 835, 835, - 835, 835, 835, 835, 835, 835, 835, 835, 835, 835, - 835, 835, 835, 835, 835, 835, 835, 835, 835, 835, - 835, 835, 835, 835, 835, 835, 835, 835, 835, 835, - 835, 835, 835, 835, 835, 835, 835, 835, 835, 835, - 835, 835, 835, 835, 835, 835, 835, 835, 835, 835, - 835, 835 - } ; - -static yyconst flex_int16_t yy_chk[1283] = - { 0, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 2, 9, - 791, 9, 2, 3, 3, 3, 3, 3, 3, 3, - 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, - 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, - - 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, - 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, - 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, - 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, - 3, 13, 15, 792, 16, 17, 17, 17, 17, 17, - 17, 17, 21, 21, 25, 15, 16, 26, 13, 19, - 35, 19, 19, 19, 19, 19, 19, 19, 23, 23, - 25, 36, 26, 26, 35, 36, 19, 19, 71, 30, - 27, 30, 27, 28, 19, 19, 27, 28, 37, 39, - 30, 758, 19, 19, 28, 143, 29, 28, 96, 96, - - 29, 33, 37, 71, 143, 39, 29, 19, 39, 33, - 19, 20, 29, 20, 20, 20, 20, 20, 20, 20, - 40, 33, 47, 31, 47, 794, 47, 46, 20, 20, - 40, 31, 48, 48, 31, 106, 20, 31, 42, 34, - 758, 42, 34, 31, 20, 20, 34, 34, 41, 106, - 42, 34, 802, 43, 34, 41, 41, 42, 43, 20, - 41, 50, 43, 50, 44, 43, 41, 41, 44, 41, - 46, 58, 105, 58, 68, 68, 135, 48, 44, 120, - 142, 142, 124, 105, 48, 70, 70, 120, 48, 124, - 68, 68, 135, 48, 53, 53, 53, 53, 53, 53, - - 53, 70, 70, 72, 144, 72, 72, 72, 72, 72, - 72, 72, 144, 148, 803, 126, 148, 804, 73, 73, - 72, 72, 73, 73, 73, 73, 73, 73, 73, 126, - 805, 116, 153, 153, 116, 116, 72, 72, 116, 152, - 116, 152, 810, 152, 154, 154, 160, 811, 160, 162, - 162, 162, 162, 162, 162, 162, 164, 164, 166, 166, - 164, 164, 164, 164, 164, 164, 164, 169, 169, 169, - 169, 169, 169, 169, 166, 166, 171, 153, 180, 184, - 184, 215, 215, 215, 153, 241, 813, 504, 153, 154, - 776, 505, 180, 153, 241, 814, 154, 504, 776, 171, - - 154, 505, 167, 167, 818, 154, 167, 167, 167, 167, - 167, 167, 167, 170, 170, 170, 170, 170, 170, 170, - 247, 247, 247, 268, 268, 268, 279, 279, 279, 170, - 256, 256, 256, 256, 256, 256, 256, 257, 257, 257, - 257, 257, 257, 257, 786, 170, 288, 288, 288, 822, - 258, 258, 786, 257, 258, 258, 258, 258, 258, 258, - 258, 260, 260, 260, 260, 260, 260, 260, 825, 257, - 261, 261, 261, 261, 261, 261, 261, 292, 292, 292, - 301, 301, 301, 338, 338, 338, 261, 350, 350, 350, - 350, 350, 350, 350, 351, 351, 351, 351, 351, 351, - - 351, 795, 261, 382, 382, 382, 393, 393, 393, 795, - 351, 394, 394, 394, 382, 382, 395, 395, 395, 443, - 443, 443, 483, 483, 483, 490, 351, 830, 605, 831, - 443, 443, 839, 483, 483, 519, 519, 519, 605, 490, - 490, 490, 490, 490, 490, 490, 519, 519, 533, 533, - 606, 621, 621, 796, 534, 534, 656, 656, 760, 606, - 606, 796, 533, 533, 533, 533, 533, 533, 534, 534, - 534, 534, 534, 534, 534, 554, 554, 554, 573, 573, - 573, 576, 576, 690, 690, 581, 533, 554, 578, 578, - 573, 775, 799, 840, 790, 576, 576, 576, 576, 576, - - 576, 576, 578, 578, 578, 578, 578, 578, 580, 580, - 806, 533, 744, 760, 759, 808, 619, 619, 806, 744, - 581, 759, 580, 580, 580, 580, 580, 580, 580, 581, - 619, 619, 619, 619, 619, 619, 787, 798, 789, 788, - 581, 620, 620, 787, 798, 809, 775, 799, 658, 658, - 828, 785, 829, 809, 619, 620, 620, 620, 620, 620, - 620, 620, 658, 658, 658, 658, 658, 658, 660, 660, - 808, 826, 815, 819, 784, 783, 782, 781, 826, 619, - 815, 819, 660, 660, 660, 660, 660, 660, 660, 820, - 823, 828, 827, 829, 832, 833, 780, 820, 823, 827, - - 779, 778, 832, 833, 836, 836, 836, 836, 836, 837, - 837, 837, 838, 838, 838, 841, 841, 842, 777, 842, - 842, 842, 843, 843, 844, 844, 774, 771, 769, 768, - 766, 763, 762, 761, 757, 756, 755, 754, 753, 752, - 751, 750, 749, 748, 747, 746, 745, 743, 742, 741, - 738, 735, 734, 733, 732, 731, 729, 728, 726, 724, - 721, 720, 719, 717, 716, 714, 713, 712, 711, 710, - 709, 708, 707, 706, 705, 704, 702, 701, 700, 699, - 698, 697, 695, 694, 693, 692, 691, 689, 688, 687, - 686, 685, 684, 683, 682, 681, 680, 679, 678, 677, - - 676, 675, 674, 673, 672, 670, 669, 668, 667, 666, - 665, 664, 663, 662, 661, 654, 652, 651, 649, 648, - 647, 646, 645, 644, 643, 642, 641, 640, 639, 638, - 637, 635, 634, 633, 632, 631, 630, 629, 627, 626, - 625, 624, 623, 622, 618, 617, 616, 615, 614, 613, - 612, 611, 610, 609, 608, 607, 601, 599, 598, 597, - 596, 592, 591, 590, 589, 588, 587, 586, 585, 584, - 575, 571, 570, 568, 567, 565, 564, 563, 562, 561, - 560, 559, 558, 557, 555, 553, 552, 551, 550, 549, - 548, 547, 546, 545, 544, 542, 541, 537, 536, 535, - - 532, 531, 529, 528, 526, 525, 524, 523, 522, 520, - 518, 517, 516, 515, 514, 513, 511, 510, 509, 508, - 507, 503, 502, 501, 500, 499, 498, 495, 494, 493, - 492, 491, 489, 488, 487, 486, 485, 484, 482, 481, - 474, 473, 470, 469, 466, 465, 464, 463, 452, 451, - 450, 448, 447, 446, 445, 444, 441, 439, 438, 437, - 435, 434, 432, 431, 430, 429, 427, 426, 421, 420, - 418, 417, 416, 415, 414, 413, 412, 411, 410, 409, - 407, 406, 405, 404, 403, 402, 401, 400, 399, 398, - 397, 396, 392, 388, 387, 386, 383, 381, 371, 369, - - 365, 364, 363, 362, 360, 358, 353, 352, 349, 348, - 347, 346, 345, 344, 339, 337, 336, 335, 334, 333, - 331, 330, 327, 326, 325, 324, 323, 322, 321, 320, - 319, 318, 317, 316, 315, 314, 313, 312, 311, 310, - 309, 308, 307, 306, 305, 302, 300, 299, 298, 297, - 296, 295, 294, 293, 291, 287, 285, 284, 283, 282, - 278, 277, 276, 275, 274, 273, 272, 271, 267, 265, - 264, 254, 253, 252, 251, 250, 249, 248, 246, 245, - 244, 243, 242, 240, 239, 238, 237, 236, 235, 234, - 233, 232, 231, 230, 229, 228, 227, 226, 225, 224, - - 223, 222, 221, 220, 219, 218, 217, 216, 214, 213, - 212, 211, 210, 209, 208, 207, 206, 205, 204, 203, - 202, 201, 200, 199, 198, 196, 195, 194, 193, 192, - 191, 190, 189, 188, 187, 186, 185, 183, 182, 181, - 179, 178, 177, 176, 174, 159, 158, 157, 156, 149, - 147, 146, 145, 141, 140, 139, 138, 137, 136, 134, - 133, 132, 131, 130, 129, 128, 127, 125, 123, 122, - 121, 119, 118, 117, 115, 114, 112, 111, 110, 109, - 108, 107, 104, 103, 102, 101, 100, 99, 98, 97, - 95, 94, 93, 92, 91, 90, 89, 88, 87, 83, - - 79, 52, 45, 38, 32, 22, 18, 14, 12, 11, - 7, 6, 5, 835, 835, 835, 835, 835, 835, 835, - 835, 835, 835, 835, 835, 835, 835, 835, 835, 835, - 835, 835, 835, 835, 835, 835, 835, 835, 835, 835, - 835, 835, 835, 835, 835, 835, 835, 835, 835, 835, - 835, 835, 835, 835, 835, 835, 835, 835, 835, 835, - 835, 835, 835, 835, 835, 835, 835, 835, 835, 835, - 835, 835, 835, 835, 835, 835, 835, 835, 835, 835, - 835, 835 - } ; - -/* The intent behind this definition is that it'll catch - * any uses of REJECT which flex missed. - */ -#define REJECT reject_used_but_not_detected -#define yymore() yymore_used_but_not_detected -#define YY_MORE_ADJ 0 -#define YY_RESTORE_YY_MORE_OFFSET -#line 1 "glsl_lexer.lpp" -#line 2 "glsl_lexer.lpp" -/* - * Copyright © 2008, 2009 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - */ -#include -#include "strtod.h" -#include "ast.h" -#include "glsl_parser_extras.h" -#include "glsl_parser.h" - -#define YY_USER_ACTION \ - do { \ - yylloc->source = 0; \ - yylloc->first_column = yycolumn + 1; \ - yylloc->first_line = yylineno + 1; \ - yycolumn += yyleng; \ - } while(0); - -#define YY_USER_INIT yylineno = 0; yycolumn = 0; - -#define IS_UINT (yytext[yyleng - 1] == 'u' || yytext[yyleng - 1] == 'U') - -/* A macro for handling reserved words and keywords across language versions. - * - * Certain words start out as identifiers, become reserved words in - * later language revisions, and finally become language keywords. - * - * For example, consider the following lexer rule: - * samplerBuffer KEYWORD(130, 140, SAMPLERBUFFER) - * - * This means that "samplerBuffer" will be treated as: - * - a keyword (SAMPLERBUFFER token) ...in GLSL >= 1.40 - * - a reserved word - error ...in GLSL >= 1.30 - * - an identifier ...in GLSL < 1.30 - */ -#define KEYWORD(reserved_version, allowed_version, token) \ - do { \ - if (yyextra->language_version >= allowed_version) { \ - return token; \ - } else if (yyextra->language_version >= reserved_version) { \ - _mesa_glsl_error(yylloc, yyextra, \ - "Illegal use of reserved word `%s'", yytext); \ - return ERROR_TOK; \ - } else { \ - yylval->identifier = strdup(yytext); \ - return IDENTIFIER; \ - } \ - } while (0) - -/* The ES macro can be used in KEYWORD checks: - * - * word KEYWORD(110 || ES, 400, TOKEN) - * ...means the word is reserved in GLSL ES 1.00, while - * - * word KEYWORD(110, 130 || ES, TOKEN) - * ...means the word is a legal keyword in GLSL ES 1.00. - */ -#define ES yyextra->es_shader - -#line 1080 "glsl_lexer.cpp" - -#define INITIAL 0 -#define PP 1 -#define PRAGMA 2 - -#define YY_EXTRA_TYPE struct _mesa_glsl_parse_state * - -/* Holds the entire state of the reentrant scanner. */ -struct yyguts_t - { - - /* User-defined. Not touched by flex. */ - YY_EXTRA_TYPE yyextra_r; - - /* The rest are the same as the globals declared in the non-reentrant scanner. */ - FILE *yyin_r, *yyout_r; - size_t yy_buffer_stack_top; /**< index of top of stack. */ - size_t yy_buffer_stack_max; /**< capacity of stack. */ - YY_BUFFER_STATE * yy_buffer_stack; /**< Stack as an array. */ - char yy_hold_char; - int yy_n_chars; - int yyleng_r; - char *yy_c_buf_p; - int yy_init; - int yy_start; - int yy_did_buffer_switch_on_eof; - int yy_start_stack_ptr; - int yy_start_stack_depth; - int *yy_start_stack; - yy_state_type yy_last_accepting_state; - char* yy_last_accepting_cpos; - - int yylineno_r; - int yy_flex_debug_r; - - char *yytext_r; - int yy_more_flag; - int yy_more_len; - - YYSTYPE * yylval_r; - - YYLTYPE * yylloc_r; - - }; /* end struct yyguts_t */ - -static int yy_init_globals (yyscan_t yyscanner ); - - /* This must go here because YYSTYPE and YYLTYPE are included - * from bison output in section 1.*/ - # define yylval yyg->yylval_r - - # define yylloc yyg->yylloc_r - -int _mesa_glsl_lex_init (yyscan_t* scanner); - -int _mesa_glsl_lex_init_extra (YY_EXTRA_TYPE user_defined,yyscan_t* scanner); - -/* Accessor methods to globals. - These are made visible to non-reentrant scanners for convenience. */ - -int _mesa_glsl_lex_destroy (yyscan_t yyscanner ); - -int _mesa_glsl_get_debug (yyscan_t yyscanner ); - -void _mesa_glsl_set_debug (int debug_flag ,yyscan_t yyscanner ); - -YY_EXTRA_TYPE _mesa_glsl_get_extra (yyscan_t yyscanner ); - -void _mesa_glsl_set_extra (YY_EXTRA_TYPE user_defined ,yyscan_t yyscanner ); - -FILE *_mesa_glsl_get_in (yyscan_t yyscanner ); - -void _mesa_glsl_set_in (FILE * in_str ,yyscan_t yyscanner ); - -FILE *_mesa_glsl_get_out (yyscan_t yyscanner ); - -void _mesa_glsl_set_out (FILE * out_str ,yyscan_t yyscanner ); - -int _mesa_glsl_get_leng (yyscan_t yyscanner ); - -char *_mesa_glsl_get_text (yyscan_t yyscanner ); - -int _mesa_glsl_get_lineno (yyscan_t yyscanner ); - -void _mesa_glsl_set_lineno (int line_number ,yyscan_t yyscanner ); - -YYSTYPE * _mesa_glsl_get_lval (yyscan_t yyscanner ); - -void _mesa_glsl_set_lval (YYSTYPE * yylval_param ,yyscan_t yyscanner ); - - YYLTYPE *_mesa_glsl_get_lloc (yyscan_t yyscanner ); - - void _mesa_glsl_set_lloc (YYLTYPE * yylloc_param ,yyscan_t yyscanner ); - -/* Macros after this point can all be overridden by user definitions in - * section 1. - */ - -#ifndef YY_SKIP_YYWRAP -#ifdef __cplusplus -extern "C" int _mesa_glsl_wrap (yyscan_t yyscanner ); -#else -extern int _mesa_glsl_wrap (yyscan_t yyscanner ); -#endif -#endif - -#ifndef yytext_ptr -static void yy_flex_strncpy (char *,yyconst char *,int ,yyscan_t yyscanner); -#endif - -#ifdef YY_NEED_STRLEN -static int yy_flex_strlen (yyconst char * ,yyscan_t yyscanner); -#endif - -#ifndef YY_NO_INPUT - -#ifdef __cplusplus -static int yyinput (yyscan_t yyscanner ); -#else -static int input (yyscan_t yyscanner ); -#endif - -#endif - -/* Amount of stuff to slurp up with each read. */ -#ifndef YY_READ_BUF_SIZE -#ifdef __ia64__ -/* On IA-64, the buffer size is 16k, not 8k */ -#define YY_READ_BUF_SIZE 16384 -#else -#define YY_READ_BUF_SIZE 8192 -#endif /* __ia64__ */ -#endif - -/* Copy whatever the last rule matched to the standard output. */ -#ifndef ECHO -/* This used to be an fputs(), but since the string might contain NUL's, - * we now use fwrite(). - */ -#define ECHO do { if (fwrite( yytext, yyleng, 1, yyout )) {} } while (0) -#endif - -/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, - * is returned in "result". - */ -#ifndef YY_INPUT -#define YY_INPUT(buf,result,max_size) \ - if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \ - { \ - int c = '*'; \ - size_t n; \ - for ( n = 0; n < max_size && \ - (c = getc( yyin )) != EOF && c != '\n'; ++n ) \ - buf[n] = (char) c; \ - if ( c == '\n' ) \ - buf[n++] = (char) c; \ - if ( c == EOF && ferror( yyin ) ) \ - YY_FATAL_ERROR( "input in flex scanner failed" ); \ - result = n; \ - } \ - else \ - { \ - errno=0; \ - while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \ - { \ - if( errno != EINTR) \ - { \ - YY_FATAL_ERROR( "input in flex scanner failed" ); \ - break; \ - } \ - errno=0; \ - clearerr(yyin); \ - } \ - }\ -\ - -#endif - -/* No semi-colon after return; correct usage is to write "yyterminate();" - - * we don't want an extra ';' after the "return" because that will cause - * some compilers to complain about unreachable statements. - */ -#ifndef yyterminate -#define yyterminate() return YY_NULL -#endif - -/* Number of entries by which start-condition stack grows. */ -#ifndef YY_START_STACK_INCR -#define YY_START_STACK_INCR 25 -#endif - -/* Report a fatal error. */ -#ifndef YY_FATAL_ERROR -#define YY_FATAL_ERROR(msg) yy_fatal_error( msg , yyscanner) -#endif - -/* end tables serialization structures and prototypes */ - -/* Default declaration of generated scanner - a define so the user can - * easily add parameters. - */ -#ifndef YY_DECL -#define YY_DECL_IS_OURS 1 - -extern int _mesa_glsl_lex \ - (YYSTYPE * yylval_param,YYLTYPE * yylloc_param ,yyscan_t yyscanner); - -#define YY_DECL int _mesa_glsl_lex \ - (YYSTYPE * yylval_param, YYLTYPE * yylloc_param , yyscan_t yyscanner) -#endif /* !YY_DECL */ - -/* Code executed at the beginning of each rule, after yytext and yyleng - * have been set up. - */ -#ifndef YY_USER_ACTION -#define YY_USER_ACTION -#endif - -/* Code executed at the end of each rule. */ -#ifndef YY_BREAK -#define YY_BREAK break; -#endif - -#define YY_RULE_SETUP \ - if ( yyleng > 0 ) \ - YY_CURRENT_BUFFER_LVALUE->yy_at_bol = \ - (yytext[yyleng - 1] == '\n'); \ - YY_USER_ACTION - -/** The main scanner function which does all the work. - */ -YY_DECL -{ - register yy_state_type yy_current_state; - register char *yy_cp, *yy_bp; - register int yy_act; - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - -#line 95 "glsl_lexer.lpp" - - -#line 1322 "glsl_lexer.cpp" - - yylval = yylval_param; - - yylloc = yylloc_param; - - if ( !yyg->yy_init ) - { - yyg->yy_init = 1; - -#ifdef YY_USER_INIT - YY_USER_INIT; -#endif - - if ( ! yyg->yy_start ) - yyg->yy_start = 1; /* first start state */ - - if ( ! yyin ) - yyin = stdin; - - if ( ! yyout ) - yyout = stdout; - - if ( ! YY_CURRENT_BUFFER ) { - _mesa_glsl_ensure_buffer_stack (yyscanner); - YY_CURRENT_BUFFER_LVALUE = - _mesa_glsl__create_buffer(yyin,YY_BUF_SIZE ,yyscanner); - } - - _mesa_glsl__load_buffer_state(yyscanner ); - } - - while ( 1 ) /* loops until end-of-file is reached */ - { - yy_cp = yyg->yy_c_buf_p; - - /* Support of yytext. */ - *yy_cp = yyg->yy_hold_char; - - /* yy_bp points to the position in yy_ch_buf of the start of - * the current run. - */ - yy_bp = yy_cp; - - yy_current_state = yyg->yy_start; - yy_current_state += YY_AT_BOL(); -yy_match: - do - { - register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)]; - if ( yy_accept[yy_current_state] ) - { - yyg->yy_last_accepting_state = yy_current_state; - yyg->yy_last_accepting_cpos = yy_cp; - } - while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) - { - yy_current_state = (int) yy_def[yy_current_state]; - if ( yy_current_state >= 836 ) - yy_c = yy_meta[(unsigned int) yy_c]; - } - yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; - ++yy_cp; - } - while ( yy_current_state != 835 ); - yy_cp = yyg->yy_last_accepting_cpos; - yy_current_state = yyg->yy_last_accepting_state; - -yy_find_action: - yy_act = yy_accept[yy_current_state]; - - YY_DO_BEFORE_ACTION; - -do_action: /* This label is used only to access EOF actions. */ - - switch ( yy_act ) - { /* beginning of action switch */ - case 0: /* must back up */ - /* undo the effects of YY_DO_BEFORE_ACTION */ - *yy_cp = yyg->yy_hold_char; - yy_cp = yyg->yy_last_accepting_cpos; - yy_current_state = yyg->yy_last_accepting_state; - goto yy_find_action; - -case 1: -YY_RULE_SETUP -#line 97 "glsl_lexer.lpp" -; - YY_BREAK -/* Preprocessor tokens. */ -case 2: -*yy_cp = yyg->yy_hold_char; /* undo effects of setting up yytext */ -yyg->yy_c_buf_p = yy_cp -= 1; -YY_DO_BEFORE_ACTION; /* set up yytext again */ -YY_RULE_SETUP -#line 100 "glsl_lexer.lpp" -; - YY_BREAK -case 3: -YY_RULE_SETUP -#line 101 "glsl_lexer.lpp" -{ BEGIN PP; return VERSION; } - YY_BREAK -case 4: -YY_RULE_SETUP -#line 102 "glsl_lexer.lpp" -{ BEGIN PP; return EXTENSION; } - YY_BREAK -case 5: -*yy_cp = yyg->yy_hold_char; /* undo effects of setting up yytext */ -yyg->yy_c_buf_p = yy_cp -= 1; -YY_DO_BEFORE_ACTION; /* set up yytext again */ -YY_RULE_SETUP -#line 103 "glsl_lexer.lpp" -{ - /* Eat characters until the first digit is - * encountered - */ - char *ptr = yytext; - while (!isdigit(*ptr)) - ptr++; - - /* Subtract one from the line number because - * yylineno is zero-based instead of - * one-based. - */ - yylineno = strtol(ptr, &ptr, 0) - 1; - yylloc->source = strtol(ptr, NULL, 0); - } - YY_BREAK -case 6: -*yy_cp = yyg->yy_hold_char; /* undo effects of setting up yytext */ -yyg->yy_c_buf_p = yy_cp -= 1; -YY_DO_BEFORE_ACTION; /* set up yytext again */ -YY_RULE_SETUP -#line 118 "glsl_lexer.lpp" -{ - /* Eat characters until the first digit is - * encountered - */ - char *ptr = yytext; - while (!isdigit(*ptr)) - ptr++; - - /* Subtract one from the line number because - * yylineno is zero-based instead of - * one-based. - */ - yylineno = strtol(ptr, &ptr, 0) - 1; - } - YY_BREAK -case 7: -YY_RULE_SETUP -#line 132 "glsl_lexer.lpp" -{ - BEGIN PP; - return PRAGMA_DEBUG_ON; - } - YY_BREAK -case 8: -YY_RULE_SETUP -#line 136 "glsl_lexer.lpp" -{ - BEGIN PP; - return PRAGMA_DEBUG_OFF; - } - YY_BREAK -case 9: -YY_RULE_SETUP -#line 140 "glsl_lexer.lpp" -{ - BEGIN PP; - return PRAGMA_OPTIMIZE_ON; - } - YY_BREAK -case 10: -YY_RULE_SETUP -#line 144 "glsl_lexer.lpp" -{ - BEGIN PP; - return PRAGMA_OPTIMIZE_OFF; - } - YY_BREAK -case 11: -YY_RULE_SETUP -#line 148 "glsl_lexer.lpp" -{ - BEGIN PP; - return PRAGMA_INVARIANT_ALL; - } - YY_BREAK -case 12: -YY_RULE_SETUP -#line 152 "glsl_lexer.lpp" -{ BEGIN PRAGMA; } - YY_BREAK -case 13: -/* rule 13 can match eol */ -YY_RULE_SETUP -#line 154 "glsl_lexer.lpp" -{ BEGIN 0; yylineno++; yycolumn = 0; } - YY_BREAK -case 14: -YY_RULE_SETUP -#line 155 "glsl_lexer.lpp" -{ } - YY_BREAK -case 15: -YY_RULE_SETUP -#line 157 "glsl_lexer.lpp" -{ } - YY_BREAK -case 16: -YY_RULE_SETUP -#line 158 "glsl_lexer.lpp" -{ } - YY_BREAK -case 17: -YY_RULE_SETUP -#line 159 "glsl_lexer.lpp" -return COLON; - YY_BREAK -case 18: -YY_RULE_SETUP -#line 160 "glsl_lexer.lpp" -{ - yylval->identifier = strdup(yytext); - return IDENTIFIER; - } - YY_BREAK -case 19: -YY_RULE_SETUP -#line 164 "glsl_lexer.lpp" -{ - yylval->n = strtol(yytext, NULL, 10); - return INTCONSTANT; - } - YY_BREAK -case 20: -/* rule 20 can match eol */ -YY_RULE_SETUP -#line 168 "glsl_lexer.lpp" -{ BEGIN 0; yylineno++; yycolumn = 0; return EOL; } - YY_BREAK -case 21: -/* rule 21 can match eol */ -YY_RULE_SETUP -#line 170 "glsl_lexer.lpp" -{ yylineno++; yycolumn = 0; } - YY_BREAK -case 22: -YY_RULE_SETUP -#line 172 "glsl_lexer.lpp" -return ATTRIBUTE; - YY_BREAK -case 23: -YY_RULE_SETUP -#line 173 "glsl_lexer.lpp" -return CONST_TOK; - YY_BREAK -case 24: -YY_RULE_SETUP -#line 174 "glsl_lexer.lpp" -return BOOL_TOK; - YY_BREAK -case 25: -YY_RULE_SETUP -#line 175 "glsl_lexer.lpp" -return FLOAT_TOK; - YY_BREAK -case 26: -YY_RULE_SETUP -#line 176 "glsl_lexer.lpp" -return INT_TOK; - YY_BREAK -case 27: -YY_RULE_SETUP -#line 177 "glsl_lexer.lpp" -KEYWORD(130, 130, UINT_TOK); - YY_BREAK -case 28: -YY_RULE_SETUP -#line 179 "glsl_lexer.lpp" -return BREAK; - YY_BREAK -case 29: -YY_RULE_SETUP -#line 180 "glsl_lexer.lpp" -return CONTINUE; - YY_BREAK -case 30: -YY_RULE_SETUP -#line 181 "glsl_lexer.lpp" -return DO; - YY_BREAK -case 31: -YY_RULE_SETUP -#line 182 "glsl_lexer.lpp" -return WHILE; - YY_BREAK -case 32: -YY_RULE_SETUP -#line 183 "glsl_lexer.lpp" -return ELSE; - YY_BREAK -case 33: -YY_RULE_SETUP -#line 184 "glsl_lexer.lpp" -return FOR; - YY_BREAK -case 34: -YY_RULE_SETUP -#line 185 "glsl_lexer.lpp" -return IF; - YY_BREAK -case 35: -YY_RULE_SETUP -#line 186 "glsl_lexer.lpp" -return DISCARD; - YY_BREAK -case 36: -YY_RULE_SETUP -#line 187 "glsl_lexer.lpp" -return RETURN; - YY_BREAK -case 37: -YY_RULE_SETUP -#line 189 "glsl_lexer.lpp" -return BVEC2; - YY_BREAK -case 38: -YY_RULE_SETUP -#line 190 "glsl_lexer.lpp" -return BVEC3; - YY_BREAK -case 39: -YY_RULE_SETUP -#line 191 "glsl_lexer.lpp" -return BVEC4; - YY_BREAK -case 40: -YY_RULE_SETUP -#line 192 "glsl_lexer.lpp" -return IVEC2; - YY_BREAK -case 41: -YY_RULE_SETUP -#line 193 "glsl_lexer.lpp" -return IVEC3; - YY_BREAK -case 42: -YY_RULE_SETUP -#line 194 "glsl_lexer.lpp" -return IVEC4; - YY_BREAK -case 43: -YY_RULE_SETUP -#line 195 "glsl_lexer.lpp" -KEYWORD(130, 130, UVEC2); - YY_BREAK -case 44: -YY_RULE_SETUP -#line 196 "glsl_lexer.lpp" -KEYWORD(130, 130, UVEC3); - YY_BREAK -case 45: -YY_RULE_SETUP -#line 197 "glsl_lexer.lpp" -KEYWORD(130, 130, UVEC4); - YY_BREAK -case 46: -YY_RULE_SETUP -#line 198 "glsl_lexer.lpp" -return VEC2; - YY_BREAK -case 47: -YY_RULE_SETUP -#line 199 "glsl_lexer.lpp" -return VEC3; - YY_BREAK -case 48: -YY_RULE_SETUP -#line 200 "glsl_lexer.lpp" -return VEC4; - YY_BREAK -case 49: -YY_RULE_SETUP -#line 201 "glsl_lexer.lpp" -return MAT2X2; - YY_BREAK -case 50: -YY_RULE_SETUP -#line 202 "glsl_lexer.lpp" -return MAT3X3; - YY_BREAK -case 51: -YY_RULE_SETUP -#line 203 "glsl_lexer.lpp" -return MAT4X4; - YY_BREAK -case 52: -YY_RULE_SETUP -#line 204 "glsl_lexer.lpp" -KEYWORD(120, 120, MAT2X2); - YY_BREAK -case 53: -YY_RULE_SETUP -#line 205 "glsl_lexer.lpp" -KEYWORD(120, 120, MAT2X3); - YY_BREAK -case 54: -YY_RULE_SETUP -#line 206 "glsl_lexer.lpp" -KEYWORD(120, 120, MAT2X4); - YY_BREAK -case 55: -YY_RULE_SETUP -#line 207 "glsl_lexer.lpp" -KEYWORD(120, 120, MAT3X2); - YY_BREAK -case 56: -YY_RULE_SETUP -#line 208 "glsl_lexer.lpp" -KEYWORD(120, 120, MAT3X3); - YY_BREAK -case 57: -YY_RULE_SETUP -#line 209 "glsl_lexer.lpp" -KEYWORD(120, 120, MAT3X4); - YY_BREAK -case 58: -YY_RULE_SETUP -#line 210 "glsl_lexer.lpp" -KEYWORD(120, 120, MAT4X2); - YY_BREAK -case 59: -YY_RULE_SETUP -#line 211 "glsl_lexer.lpp" -KEYWORD(120, 120, MAT4X3); - YY_BREAK -case 60: -YY_RULE_SETUP -#line 212 "glsl_lexer.lpp" -KEYWORD(120, 120, MAT4X4); - YY_BREAK -case 61: -YY_RULE_SETUP -#line 214 "glsl_lexer.lpp" -return IN_TOK; - YY_BREAK -case 62: -YY_RULE_SETUP -#line 215 "glsl_lexer.lpp" -return OUT_TOK; - YY_BREAK -case 63: -YY_RULE_SETUP -#line 216 "glsl_lexer.lpp" -return INOUT_TOK; - YY_BREAK -case 64: -YY_RULE_SETUP -#line 217 "glsl_lexer.lpp" -return UNIFORM; - YY_BREAK -case 65: -YY_RULE_SETUP -#line 218 "glsl_lexer.lpp" -return VARYING; - YY_BREAK -case 66: -YY_RULE_SETUP -#line 219 "glsl_lexer.lpp" -KEYWORD(120, 120, CENTROID); - YY_BREAK -case 67: -YY_RULE_SETUP -#line 220 "glsl_lexer.lpp" -KEYWORD(120 || ES, 120 || ES, INVARIANT); - YY_BREAK -case 68: -YY_RULE_SETUP -#line 221 "glsl_lexer.lpp" -KEYWORD(130 || ES, 130, FLAT); - YY_BREAK -case 69: -YY_RULE_SETUP -#line 222 "glsl_lexer.lpp" -KEYWORD(130, 130, SMOOTH); - YY_BREAK -case 70: -YY_RULE_SETUP -#line 223 "glsl_lexer.lpp" -KEYWORD(130, 130, NOPERSPECTIVE); - YY_BREAK -case 71: -YY_RULE_SETUP -#line 225 "glsl_lexer.lpp" -return SAMPLER1D; - YY_BREAK -case 72: -YY_RULE_SETUP -#line 226 "glsl_lexer.lpp" -return SAMPLER2D; - YY_BREAK -case 73: -YY_RULE_SETUP -#line 227 "glsl_lexer.lpp" -return SAMPLER3D; - YY_BREAK -case 74: -YY_RULE_SETUP -#line 228 "glsl_lexer.lpp" -return SAMPLERCUBE; - YY_BREAK -case 75: -YY_RULE_SETUP -#line 229 "glsl_lexer.lpp" -KEYWORD(130, 130, SAMPLER1DARRAY); - YY_BREAK -case 76: -YY_RULE_SETUP -#line 230 "glsl_lexer.lpp" -KEYWORD(130, 130, SAMPLER2DARRAY); - YY_BREAK -case 77: -YY_RULE_SETUP -#line 231 "glsl_lexer.lpp" -return SAMPLER1DSHADOW; - YY_BREAK -case 78: -YY_RULE_SETUP -#line 232 "glsl_lexer.lpp" -return SAMPLER2DSHADOW; - YY_BREAK -case 79: -YY_RULE_SETUP -#line 233 "glsl_lexer.lpp" -KEYWORD(130, 130, SAMPLERCUBESHADOW); - YY_BREAK -case 80: -YY_RULE_SETUP -#line 234 "glsl_lexer.lpp" -KEYWORD(130, 130, SAMPLER1DARRAYSHADOW); - YY_BREAK -case 81: -YY_RULE_SETUP -#line 235 "glsl_lexer.lpp" -KEYWORD(130, 130, SAMPLER2DARRAYSHADOW); - YY_BREAK -case 82: -YY_RULE_SETUP -#line 236 "glsl_lexer.lpp" -KEYWORD(130, 130, ISAMPLER1D); - YY_BREAK -case 83: -YY_RULE_SETUP -#line 237 "glsl_lexer.lpp" -KEYWORD(130, 130, ISAMPLER2D); - YY_BREAK -case 84: -YY_RULE_SETUP -#line 238 "glsl_lexer.lpp" -KEYWORD(130, 130, ISAMPLER3D); - YY_BREAK -case 85: -YY_RULE_SETUP -#line 239 "glsl_lexer.lpp" -KEYWORD(130, 130, ISAMPLERCUBE); - YY_BREAK -case 86: -YY_RULE_SETUP -#line 240 "glsl_lexer.lpp" -KEYWORD(130, 130, ISAMPLER1DARRAY); - YY_BREAK -case 87: -YY_RULE_SETUP -#line 241 "glsl_lexer.lpp" -KEYWORD(130, 130, ISAMPLER2DARRAY); - YY_BREAK -case 88: -YY_RULE_SETUP -#line 242 "glsl_lexer.lpp" -KEYWORD(130, 130, USAMPLER1D); - YY_BREAK -case 89: -YY_RULE_SETUP -#line 243 "glsl_lexer.lpp" -KEYWORD(130, 130, USAMPLER2D); - YY_BREAK -case 90: -YY_RULE_SETUP -#line 244 "glsl_lexer.lpp" -KEYWORD(130, 130, USAMPLER3D); - YY_BREAK -case 91: -YY_RULE_SETUP -#line 245 "glsl_lexer.lpp" -KEYWORD(130, 130, USAMPLERCUBE); - YY_BREAK -case 92: -YY_RULE_SETUP -#line 246 "glsl_lexer.lpp" -KEYWORD(130, 130, USAMPLER1DARRAY); - YY_BREAK -case 93: -YY_RULE_SETUP -#line 247 "glsl_lexer.lpp" -KEYWORD(130, 130, USAMPLER2DARRAY); - YY_BREAK -case 94: -YY_RULE_SETUP -#line 250 "glsl_lexer.lpp" -return STRUCT; - YY_BREAK -case 95: -YY_RULE_SETUP -#line 251 "glsl_lexer.lpp" -return VOID_TOK; - YY_BREAK -case 96: -YY_RULE_SETUP -#line 253 "glsl_lexer.lpp" -{ - if ((yyextra->language_version >= 140) - || yyextra->ARB_explicit_attrib_location_enable - || (yyextra->ARB_fragment_coord_conventions_enable)){ - return LAYOUT_TOK; - } else { - yylval->identifier = strdup(yytext); - return IDENTIFIER; - } - } - YY_BREAK -case 97: -YY_RULE_SETUP -#line 264 "glsl_lexer.lpp" -return INC_OP; - YY_BREAK -case 98: -YY_RULE_SETUP -#line 265 "glsl_lexer.lpp" -return DEC_OP; - YY_BREAK -case 99: -YY_RULE_SETUP -#line 266 "glsl_lexer.lpp" -return LE_OP; - YY_BREAK -case 100: -YY_RULE_SETUP -#line 267 "glsl_lexer.lpp" -return GE_OP; - YY_BREAK -case 101: -YY_RULE_SETUP -#line 268 "glsl_lexer.lpp" -return EQ_OP; - YY_BREAK -case 102: -YY_RULE_SETUP -#line 269 "glsl_lexer.lpp" -return NE_OP; - YY_BREAK -case 103: -YY_RULE_SETUP -#line 270 "glsl_lexer.lpp" -return AND_OP; - YY_BREAK -case 104: -YY_RULE_SETUP -#line 271 "glsl_lexer.lpp" -return OR_OP; - YY_BREAK -case 105: -YY_RULE_SETUP -#line 272 "glsl_lexer.lpp" -return XOR_OP; - YY_BREAK -case 106: -YY_RULE_SETUP -#line 273 "glsl_lexer.lpp" -return LEFT_OP; - YY_BREAK -case 107: -YY_RULE_SETUP -#line 274 "glsl_lexer.lpp" -return RIGHT_OP; - YY_BREAK -case 108: -YY_RULE_SETUP -#line 276 "glsl_lexer.lpp" -return MUL_ASSIGN; - YY_BREAK -case 109: -YY_RULE_SETUP -#line 277 "glsl_lexer.lpp" -return DIV_ASSIGN; - YY_BREAK -case 110: -YY_RULE_SETUP -#line 278 "glsl_lexer.lpp" -return ADD_ASSIGN; - YY_BREAK -case 111: -YY_RULE_SETUP -#line 279 "glsl_lexer.lpp" -return MOD_ASSIGN; - YY_BREAK -case 112: -YY_RULE_SETUP -#line 280 "glsl_lexer.lpp" -return LEFT_ASSIGN; - YY_BREAK -case 113: -YY_RULE_SETUP -#line 281 "glsl_lexer.lpp" -return RIGHT_ASSIGN; - YY_BREAK -case 114: -YY_RULE_SETUP -#line 282 "glsl_lexer.lpp" -return AND_ASSIGN; - YY_BREAK -case 115: -YY_RULE_SETUP -#line 283 "glsl_lexer.lpp" -return XOR_ASSIGN; - YY_BREAK -case 116: -YY_RULE_SETUP -#line 284 "glsl_lexer.lpp" -return OR_ASSIGN; - YY_BREAK -case 117: -YY_RULE_SETUP -#line 285 "glsl_lexer.lpp" -return SUB_ASSIGN; - YY_BREAK -case 118: -YY_RULE_SETUP -#line 287 "glsl_lexer.lpp" -{ - yylval->n = strtol(yytext, NULL, 10); - return IS_UINT ? UINTCONSTANT : INTCONSTANT; - } - YY_BREAK -case 119: -YY_RULE_SETUP -#line 291 "glsl_lexer.lpp" -{ - yylval->n = strtol(yytext + 2, NULL, 16); - return IS_UINT ? UINTCONSTANT : INTCONSTANT; - } - YY_BREAK -case 120: -YY_RULE_SETUP -#line 295 "glsl_lexer.lpp" -{ - yylval->n = strtol(yytext, NULL, 8); - return IS_UINT ? UINTCONSTANT : INTCONSTANT; - } - YY_BREAK -case 121: -YY_RULE_SETUP -#line 300 "glsl_lexer.lpp" -{ - yylval->real = glsl_strtod(yytext, NULL); - return FLOATCONSTANT; - } - YY_BREAK -case 122: -YY_RULE_SETUP -#line 304 "glsl_lexer.lpp" -{ - yylval->real = glsl_strtod(yytext, NULL); - return FLOATCONSTANT; - } - YY_BREAK -case 123: -YY_RULE_SETUP -#line 308 "glsl_lexer.lpp" -{ - yylval->real = glsl_strtod(yytext, NULL); - return FLOATCONSTANT; - } - YY_BREAK -case 124: -YY_RULE_SETUP -#line 312 "glsl_lexer.lpp" -{ - yylval->real = glsl_strtod(yytext, NULL); - return FLOATCONSTANT; - } - YY_BREAK -case 125: -YY_RULE_SETUP -#line 316 "glsl_lexer.lpp" -{ - yylval->real = glsl_strtod(yytext, NULL); - return FLOATCONSTANT; - } - YY_BREAK -case 126: -YY_RULE_SETUP -#line 321 "glsl_lexer.lpp" -{ - yylval->n = 1; - return BOOLCONSTANT; - } - YY_BREAK -case 127: -YY_RULE_SETUP -#line 325 "glsl_lexer.lpp" -{ - yylval->n = 0; - return BOOLCONSTANT; - } - YY_BREAK -/* Reserved words in GLSL 1.10. */ -case 128: -YY_RULE_SETUP -#line 332 "glsl_lexer.lpp" -KEYWORD(110 || ES, 999, ASM); - YY_BREAK -case 129: -YY_RULE_SETUP -#line 333 "glsl_lexer.lpp" -KEYWORD(110 || ES, 999, CLASS); - YY_BREAK -case 130: -YY_RULE_SETUP -#line 334 "glsl_lexer.lpp" -KEYWORD(110 || ES, 999, UNION); - YY_BREAK -case 131: -YY_RULE_SETUP -#line 335 "glsl_lexer.lpp" -KEYWORD(110 || ES, 999, ENUM); - YY_BREAK -case 132: -YY_RULE_SETUP -#line 336 "glsl_lexer.lpp" -KEYWORD(110 || ES, 999, TYPEDEF); - YY_BREAK -case 133: -YY_RULE_SETUP -#line 337 "glsl_lexer.lpp" -KEYWORD(110 || ES, 999, TEMPLATE); - YY_BREAK -case 134: -YY_RULE_SETUP -#line 338 "glsl_lexer.lpp" -KEYWORD(110 || ES, 999, THIS); - YY_BREAK -case 135: -YY_RULE_SETUP -#line 339 "glsl_lexer.lpp" -KEYWORD(110 || ES, 999, PACKED_TOK); - YY_BREAK -case 136: -YY_RULE_SETUP -#line 340 "glsl_lexer.lpp" -KEYWORD(110 || ES, 999, GOTO); - YY_BREAK -case 137: -YY_RULE_SETUP -#line 341 "glsl_lexer.lpp" -KEYWORD(110 || ES, 130, SWITCH); - YY_BREAK -case 138: -YY_RULE_SETUP -#line 342 "glsl_lexer.lpp" -KEYWORD(110 || ES, 130, DEFAULT); - YY_BREAK -case 139: -YY_RULE_SETUP -#line 343 "glsl_lexer.lpp" -KEYWORD(110 || ES, 999, INLINE_TOK); - YY_BREAK -case 140: -YY_RULE_SETUP -#line 344 "glsl_lexer.lpp" -KEYWORD(110 || ES, 999, NOINLINE); - YY_BREAK -case 141: -YY_RULE_SETUP -#line 345 "glsl_lexer.lpp" -KEYWORD(110 || ES, 999, VOLATILE); - YY_BREAK -case 142: -YY_RULE_SETUP -#line 346 "glsl_lexer.lpp" -KEYWORD(110 || ES, 999, PUBLIC_TOK); - YY_BREAK -case 143: -YY_RULE_SETUP -#line 347 "glsl_lexer.lpp" -KEYWORD(110 || ES, 999, STATIC); - YY_BREAK -case 144: -YY_RULE_SETUP -#line 348 "glsl_lexer.lpp" -KEYWORD(110 || ES, 999, EXTERN); - YY_BREAK -case 145: -YY_RULE_SETUP -#line 349 "glsl_lexer.lpp" -KEYWORD(110 || ES, 999, EXTERNAL); - YY_BREAK -case 146: -YY_RULE_SETUP -#line 350 "glsl_lexer.lpp" -KEYWORD(110 || ES, 999, INTERFACE); - YY_BREAK -case 147: -YY_RULE_SETUP -#line 351 "glsl_lexer.lpp" -KEYWORD(110 || ES, 999, LONG_TOK); - YY_BREAK -case 148: -YY_RULE_SETUP -#line 352 "glsl_lexer.lpp" -KEYWORD(110 || ES, 999, SHORT_TOK); - YY_BREAK -case 149: -YY_RULE_SETUP -#line 353 "glsl_lexer.lpp" -KEYWORD(110 || ES, 400, DOUBLE_TOK); - YY_BREAK -case 150: -YY_RULE_SETUP -#line 354 "glsl_lexer.lpp" -KEYWORD(110 || ES, 999, HALF); - YY_BREAK -case 151: -YY_RULE_SETUP -#line 355 "glsl_lexer.lpp" -KEYWORD(110 || ES, 999, FIXED_TOK); - YY_BREAK -case 152: -YY_RULE_SETUP -#line 356 "glsl_lexer.lpp" -KEYWORD(110 || ES, 999, UNSIGNED); - YY_BREAK -case 153: -YY_RULE_SETUP -#line 357 "glsl_lexer.lpp" -KEYWORD(110 || ES, 999, INPUT_TOK); - YY_BREAK -case 154: -YY_RULE_SETUP -#line 358 "glsl_lexer.lpp" -KEYWORD(110 || ES, 999, OUTPUT); - YY_BREAK -case 155: -YY_RULE_SETUP -#line 359 "glsl_lexer.lpp" -KEYWORD(110 || ES, 999, HVEC2); - YY_BREAK -case 156: -YY_RULE_SETUP -#line 360 "glsl_lexer.lpp" -KEYWORD(110 || ES, 999, HVEC3); - YY_BREAK -case 157: -YY_RULE_SETUP -#line 361 "glsl_lexer.lpp" -KEYWORD(110 || ES, 999, HVEC4); - YY_BREAK -case 158: -YY_RULE_SETUP -#line 362 "glsl_lexer.lpp" -KEYWORD(110 || ES, 400, DVEC2); - YY_BREAK -case 159: -YY_RULE_SETUP -#line 363 "glsl_lexer.lpp" -KEYWORD(110 || ES, 400, DVEC3); - YY_BREAK -case 160: -YY_RULE_SETUP -#line 364 "glsl_lexer.lpp" -KEYWORD(110 || ES, 400, DVEC4); - YY_BREAK -case 161: -YY_RULE_SETUP -#line 365 "glsl_lexer.lpp" -KEYWORD(110 || ES, 999, FVEC2); - YY_BREAK -case 162: -YY_RULE_SETUP -#line 366 "glsl_lexer.lpp" -KEYWORD(110 || ES, 999, FVEC3); - YY_BREAK -case 163: -YY_RULE_SETUP -#line 367 "glsl_lexer.lpp" -KEYWORD(110 || ES, 999, FVEC4); - YY_BREAK -case 164: -YY_RULE_SETUP -#line 368 "glsl_lexer.lpp" -return SAMPLER2DRECT; - YY_BREAK -case 165: -YY_RULE_SETUP -#line 369 "glsl_lexer.lpp" -KEYWORD(110 || ES, 999, SAMPLER3DRECT); - YY_BREAK -case 166: -YY_RULE_SETUP -#line 370 "glsl_lexer.lpp" -return SAMPLER2DRECTSHADOW; - YY_BREAK -case 167: -YY_RULE_SETUP -#line 371 "glsl_lexer.lpp" -KEYWORD(110 || ES, 999, SIZEOF); - YY_BREAK -case 168: -YY_RULE_SETUP -#line 372 "glsl_lexer.lpp" -KEYWORD(110 || ES, 999, CAST); - YY_BREAK -case 169: -YY_RULE_SETUP -#line 373 "glsl_lexer.lpp" -KEYWORD(110 || ES, 999, NAMESPACE); - YY_BREAK -case 170: -YY_RULE_SETUP -#line 374 "glsl_lexer.lpp" -KEYWORD(110 || ES, 999, USING); - YY_BREAK -/* Additional reserved words in GLSL 1.20. */ -case 171: -YY_RULE_SETUP -#line 377 "glsl_lexer.lpp" -KEYWORD(120, 130 || ES, LOWP); - YY_BREAK -case 172: -YY_RULE_SETUP -#line 378 "glsl_lexer.lpp" -KEYWORD(120, 130 || ES, MEDIUMP); - YY_BREAK -case 173: -YY_RULE_SETUP -#line 379 "glsl_lexer.lpp" -KEYWORD(120, 130 || ES, HIGHP); - YY_BREAK -case 174: -YY_RULE_SETUP -#line 380 "glsl_lexer.lpp" -KEYWORD(120, 130 || ES, PRECISION); - YY_BREAK -/* Additional reserved words in GLSL 1.30. */ -case 175: -YY_RULE_SETUP -#line 383 "glsl_lexer.lpp" -KEYWORD(130, 130, CASE); - YY_BREAK -case 176: -YY_RULE_SETUP -#line 384 "glsl_lexer.lpp" -KEYWORD(130, 999, COMMON); - YY_BREAK -case 177: -YY_RULE_SETUP -#line 385 "glsl_lexer.lpp" -KEYWORD(130, 999, PARTITION); - YY_BREAK -case 178: -YY_RULE_SETUP -#line 386 "glsl_lexer.lpp" -KEYWORD(130, 999, ACTIVE); - YY_BREAK -case 179: -YY_RULE_SETUP -#line 387 "glsl_lexer.lpp" -KEYWORD(130 || ES, 999, SUPERP); - YY_BREAK -case 180: -YY_RULE_SETUP -#line 388 "glsl_lexer.lpp" -KEYWORD(130, 140, SAMPLERBUFFER); - YY_BREAK -case 181: -YY_RULE_SETUP -#line 389 "glsl_lexer.lpp" -KEYWORD(130, 999, FILTER); - YY_BREAK -case 182: -YY_RULE_SETUP -#line 390 "glsl_lexer.lpp" -KEYWORD(130, 999, IMAGE1D); - YY_BREAK -case 183: -YY_RULE_SETUP -#line 391 "glsl_lexer.lpp" -KEYWORD(130, 999, IMAGE2D); - YY_BREAK -case 184: -YY_RULE_SETUP -#line 392 "glsl_lexer.lpp" -KEYWORD(130, 999, IMAGE3D); - YY_BREAK -case 185: -YY_RULE_SETUP -#line 393 "glsl_lexer.lpp" -KEYWORD(130, 999, IMAGECUBE); - YY_BREAK -case 186: -YY_RULE_SETUP -#line 394 "glsl_lexer.lpp" -KEYWORD(130, 999, IIMAGE1D); - YY_BREAK -case 187: -YY_RULE_SETUP -#line 395 "glsl_lexer.lpp" -KEYWORD(130, 999, IIMAGE2D); - YY_BREAK -case 188: -YY_RULE_SETUP -#line 396 "glsl_lexer.lpp" -KEYWORD(130, 999, IIMAGE3D); - YY_BREAK -case 189: -YY_RULE_SETUP -#line 397 "glsl_lexer.lpp" -KEYWORD(130, 999, IIMAGECUBE); - YY_BREAK -case 190: -YY_RULE_SETUP -#line 398 "glsl_lexer.lpp" -KEYWORD(130, 999, UIMAGE1D); - YY_BREAK -case 191: -YY_RULE_SETUP -#line 399 "glsl_lexer.lpp" -KEYWORD(130, 999, UIMAGE2D); - YY_BREAK -case 192: -YY_RULE_SETUP -#line 400 "glsl_lexer.lpp" -KEYWORD(130, 999, UIMAGE3D); - YY_BREAK -case 193: -YY_RULE_SETUP -#line 401 "glsl_lexer.lpp" -KEYWORD(130, 999, UIMAGECUBE); - YY_BREAK -case 194: -YY_RULE_SETUP -#line 402 "glsl_lexer.lpp" -KEYWORD(130, 999, IMAGE1DARRAY); - YY_BREAK -case 195: -YY_RULE_SETUP -#line 403 "glsl_lexer.lpp" -KEYWORD(130, 999, IMAGE2DARRAY); - YY_BREAK -case 196: -YY_RULE_SETUP -#line 404 "glsl_lexer.lpp" -KEYWORD(130, 999, IIMAGE1DARRAY); - YY_BREAK -case 197: -YY_RULE_SETUP -#line 405 "glsl_lexer.lpp" -KEYWORD(130, 999, IIMAGE2DARRAY); - YY_BREAK -case 198: -YY_RULE_SETUP -#line 406 "glsl_lexer.lpp" -KEYWORD(130, 999, UIMAGE1DARRAY); - YY_BREAK -case 199: -YY_RULE_SETUP -#line 407 "glsl_lexer.lpp" -KEYWORD(130, 999, UIMAGE2DARRAY); - YY_BREAK -case 200: -YY_RULE_SETUP -#line 408 "glsl_lexer.lpp" -KEYWORD(130, 999, IMAGE1DSHADOW); - YY_BREAK -case 201: -YY_RULE_SETUP -#line 409 "glsl_lexer.lpp" -KEYWORD(130, 999, IMAGE2DSHADOW); - YY_BREAK -case 202: -YY_RULE_SETUP -#line 410 "glsl_lexer.lpp" -KEYWORD(130, 999, IMAGE1DARRAYSHADOW); - YY_BREAK -case 203: -YY_RULE_SETUP -#line 411 "glsl_lexer.lpp" -KEYWORD(130, 999, IMAGE2DARRAYSHADOW); - YY_BREAK -case 204: -YY_RULE_SETUP -#line 412 "glsl_lexer.lpp" -KEYWORD(130, 999, IMAGEBUFFER); - YY_BREAK -case 205: -YY_RULE_SETUP -#line 413 "glsl_lexer.lpp" -KEYWORD(130, 999, IIMAGEBUFFER); - YY_BREAK -case 206: -YY_RULE_SETUP -#line 414 "glsl_lexer.lpp" -KEYWORD(130, 999, UIMAGEBUFFER); - YY_BREAK -case 207: -YY_RULE_SETUP -#line 415 "glsl_lexer.lpp" -KEYWORD(130, 999, ROW_MAJOR); - YY_BREAK -case 208: -YY_RULE_SETUP -#line 417 "glsl_lexer.lpp" -{ - struct _mesa_glsl_parse_state *state = yyextra; - void *ctx = state; - yylval->identifier = talloc_strdup(ctx, yytext); - return IDENTIFIER; - } - YY_BREAK -case 209: -YY_RULE_SETUP -#line 424 "glsl_lexer.lpp" -{ return yytext[0]; } - YY_BREAK -case 210: -YY_RULE_SETUP -#line 426 "glsl_lexer.lpp" -ECHO; - YY_BREAK -#line 2564 "glsl_lexer.cpp" -case YY_STATE_EOF(INITIAL): -case YY_STATE_EOF(PP): -case YY_STATE_EOF(PRAGMA): - yyterminate(); - - case YY_END_OF_BUFFER: - { - /* Amount of text matched not including the EOB char. */ - int yy_amount_of_matched_text = (int) (yy_cp - yyg->yytext_ptr) - 1; - - /* Undo the effects of YY_DO_BEFORE_ACTION. */ - *yy_cp = yyg->yy_hold_char; - YY_RESTORE_YY_MORE_OFFSET - - if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW ) - { - /* We're scanning a new file or input source. It's - * possible that this happened because the user - * just pointed yyin at a new source and called - * _mesa_glsl_lex(). If so, then we have to assure - * consistency between YY_CURRENT_BUFFER and our - * globals. Here is the right place to do so, because - * this is the first action (other than possibly a - * back-up) that will match for the new input source. - */ - yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; - YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin; - YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL; - } - - /* Note that here we test for yy_c_buf_p "<=" to the position - * of the first EOB in the buffer, since yy_c_buf_p will - * already have been incremented past the NUL character - * (since all states make transitions on EOB to the - * end-of-buffer state). Contrast this with the test - * in input(). - */ - if ( yyg->yy_c_buf_p <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] ) - { /* This was really a NUL. */ - yy_state_type yy_next_state; - - yyg->yy_c_buf_p = yyg->yytext_ptr + yy_amount_of_matched_text; - - yy_current_state = yy_get_previous_state( yyscanner ); - - /* Okay, we're now positioned to make the NUL - * transition. We couldn't have - * yy_get_previous_state() go ahead and do it - * for us because it doesn't know how to deal - * with the possibility of jamming (and we don't - * want to build jamming into it because then it - * will run more slowly). - */ - - yy_next_state = yy_try_NUL_trans( yy_current_state , yyscanner); - - yy_bp = yyg->yytext_ptr + YY_MORE_ADJ; - - if ( yy_next_state ) - { - /* Consume the NUL. */ - yy_cp = ++yyg->yy_c_buf_p; - yy_current_state = yy_next_state; - goto yy_match; - } - - else - { - yy_cp = yyg->yy_last_accepting_cpos; - yy_current_state = yyg->yy_last_accepting_state; - goto yy_find_action; - } - } - - else switch ( yy_get_next_buffer( yyscanner ) ) - { - case EOB_ACT_END_OF_FILE: - { - yyg->yy_did_buffer_switch_on_eof = 0; - - if ( _mesa_glsl_wrap(yyscanner ) ) - { - /* Note: because we've taken care in - * yy_get_next_buffer() to have set up - * yytext, we can now set up - * yy_c_buf_p so that if some total - * hoser (like flex itself) wants to - * call the scanner after we return the - * YY_NULL, it'll still work - another - * YY_NULL will get returned. - */ - yyg->yy_c_buf_p = yyg->yytext_ptr + YY_MORE_ADJ; - - yy_act = YY_STATE_EOF(YY_START); - goto do_action; - } - - else - { - if ( ! yyg->yy_did_buffer_switch_on_eof ) - YY_NEW_FILE; - } - break; - } - - case EOB_ACT_CONTINUE_SCAN: - yyg->yy_c_buf_p = - yyg->yytext_ptr + yy_amount_of_matched_text; - - yy_current_state = yy_get_previous_state( yyscanner ); - - yy_cp = yyg->yy_c_buf_p; - yy_bp = yyg->yytext_ptr + YY_MORE_ADJ; - goto yy_match; - - case EOB_ACT_LAST_MATCH: - yyg->yy_c_buf_p = - &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars]; - - yy_current_state = yy_get_previous_state( yyscanner ); - - yy_cp = yyg->yy_c_buf_p; - yy_bp = yyg->yytext_ptr + YY_MORE_ADJ; - goto yy_find_action; - } - break; - } - - default: - YY_FATAL_ERROR( - "fatal flex scanner internal error--no action found" ); - } /* end of action switch */ - } /* end of scanning one token */ -} /* end of _mesa_glsl_lex */ - -/* yy_get_next_buffer - try to read in a new buffer - * - * Returns a code representing an action: - * EOB_ACT_LAST_MATCH - - * EOB_ACT_CONTINUE_SCAN - continue scanning from current position - * EOB_ACT_END_OF_FILE - end of file - */ -static int yy_get_next_buffer (yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf; - register char *source = yyg->yytext_ptr; - register int number_to_move, i; - int ret_val; - - if ( yyg->yy_c_buf_p > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars + 1] ) - YY_FATAL_ERROR( - "fatal flex scanner internal error--end of buffer missed" ); - - if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 ) - { /* Don't try to fill the buffer, so this is an EOF. */ - if ( yyg->yy_c_buf_p - yyg->yytext_ptr - YY_MORE_ADJ == 1 ) - { - /* We matched a single character, the EOB, so - * treat this as a final EOF. - */ - return EOB_ACT_END_OF_FILE; - } - - else - { - /* We matched some text prior to the EOB, first - * process it. - */ - return EOB_ACT_LAST_MATCH; - } - } - - /* Try to read more data. */ - - /* First move last chars to start of buffer. */ - number_to_move = (int) (yyg->yy_c_buf_p - yyg->yytext_ptr) - 1; - - for ( i = 0; i < number_to_move; ++i ) - *(dest++) = *(source++); - - if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING ) - /* don't do the read, it's not guaranteed to return an EOF, - * just force an EOF - */ - YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars = 0; - - else - { - int num_to_read = - YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1; - - while ( num_to_read <= 0 ) - { /* Not enough room in the buffer - grow it. */ - - /* just a shorter name for the current buffer */ - YY_BUFFER_STATE b = YY_CURRENT_BUFFER; - - int yy_c_buf_p_offset = - (int) (yyg->yy_c_buf_p - b->yy_ch_buf); - - if ( b->yy_is_our_buffer ) - { - int new_size = b->yy_buf_size * 2; - - if ( new_size <= 0 ) - b->yy_buf_size += b->yy_buf_size / 8; - else - b->yy_buf_size *= 2; - - b->yy_ch_buf = (char *) - /* Include room in for 2 EOB chars. */ - _mesa_glsl_realloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 ,yyscanner ); - } - else - /* Can't grow it, we don't own it. */ - b->yy_ch_buf = 0; - - if ( ! b->yy_ch_buf ) - YY_FATAL_ERROR( - "fatal error - scanner input buffer overflow" ); - - yyg->yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset]; - - num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size - - number_to_move - 1; - - } - - if ( num_to_read > YY_READ_BUF_SIZE ) - num_to_read = YY_READ_BUF_SIZE; - - /* Read in more data. */ - YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]), - yyg->yy_n_chars, (size_t) num_to_read ); - - YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars; - } - - if ( yyg->yy_n_chars == 0 ) - { - if ( number_to_move == YY_MORE_ADJ ) - { - ret_val = EOB_ACT_END_OF_FILE; - _mesa_glsl_restart(yyin ,yyscanner); - } - - else - { - ret_val = EOB_ACT_LAST_MATCH; - YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = - YY_BUFFER_EOF_PENDING; - } - } - - else - ret_val = EOB_ACT_CONTINUE_SCAN; - - if ((yy_size_t) (yyg->yy_n_chars + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) { - /* Extend the array by 50%, plus the number we really need. */ - yy_size_t new_size = yyg->yy_n_chars + number_to_move + (yyg->yy_n_chars >> 1); - YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) _mesa_glsl_realloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size ,yyscanner ); - if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) - YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" ); - } - - yyg->yy_n_chars += number_to_move; - YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] = YY_END_OF_BUFFER_CHAR; - YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR; - - yyg->yytext_ptr = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0]; - - return ret_val; -} - -/* yy_get_previous_state - get the state just before the EOB char was reached */ - - static yy_state_type yy_get_previous_state (yyscan_t yyscanner) -{ - register yy_state_type yy_current_state; - register char *yy_cp; - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - - yy_current_state = yyg->yy_start; - yy_current_state += YY_AT_BOL(); - - for ( yy_cp = yyg->yytext_ptr + YY_MORE_ADJ; yy_cp < yyg->yy_c_buf_p; ++yy_cp ) - { - register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1); - if ( yy_accept[yy_current_state] ) - { - yyg->yy_last_accepting_state = yy_current_state; - yyg->yy_last_accepting_cpos = yy_cp; - } - while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) - { - yy_current_state = (int) yy_def[yy_current_state]; - if ( yy_current_state >= 836 ) - yy_c = yy_meta[(unsigned int) yy_c]; - } - yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; - } - - return yy_current_state; -} - -/* yy_try_NUL_trans - try to make a transition on the NUL character - * - * synopsis - * next_state = yy_try_NUL_trans( current_state ); - */ - static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state , yyscan_t yyscanner) -{ - register int yy_is_jam; - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; /* This var may be unused depending upon options. */ - register char *yy_cp = yyg->yy_c_buf_p; - - register YY_CHAR yy_c = 1; - if ( yy_accept[yy_current_state] ) - { - yyg->yy_last_accepting_state = yy_current_state; - yyg->yy_last_accepting_cpos = yy_cp; - } - while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) - { - yy_current_state = (int) yy_def[yy_current_state]; - if ( yy_current_state >= 836 ) - yy_c = yy_meta[(unsigned int) yy_c]; - } - yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; - yy_is_jam = (yy_current_state == 835); - - return yy_is_jam ? 0 : yy_current_state; -} - -#ifndef YY_NO_INPUT -#ifdef __cplusplus - static int yyinput (yyscan_t yyscanner) -#else - static int input (yyscan_t yyscanner) -#endif - -{ - int c; - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - - *yyg->yy_c_buf_p = yyg->yy_hold_char; - - if ( *yyg->yy_c_buf_p == YY_END_OF_BUFFER_CHAR ) - { - /* yy_c_buf_p now points to the character we want to return. - * If this occurs *before* the EOB characters, then it's a - * valid NUL; if not, then we've hit the end of the buffer. - */ - if ( yyg->yy_c_buf_p < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] ) - /* This was really a NUL. */ - *yyg->yy_c_buf_p = '\0'; - - else - { /* need more input */ - int offset = yyg->yy_c_buf_p - yyg->yytext_ptr; - ++yyg->yy_c_buf_p; - - switch ( yy_get_next_buffer( yyscanner ) ) - { - case EOB_ACT_LAST_MATCH: - /* This happens because yy_g_n_b() - * sees that we've accumulated a - * token and flags that we need to - * try matching the token before - * proceeding. But for input(), - * there's no matching to consider. - * So convert the EOB_ACT_LAST_MATCH - * to EOB_ACT_END_OF_FILE. - */ - - /* Reset buffer status. */ - _mesa_glsl_restart(yyin ,yyscanner); - - /*FALLTHROUGH*/ - - case EOB_ACT_END_OF_FILE: - { - if ( _mesa_glsl_wrap(yyscanner ) ) - return EOF; - - if ( ! yyg->yy_did_buffer_switch_on_eof ) - YY_NEW_FILE; -#ifdef __cplusplus - return yyinput(yyscanner); -#else - return input(yyscanner); -#endif - } - - case EOB_ACT_CONTINUE_SCAN: - yyg->yy_c_buf_p = yyg->yytext_ptr + offset; - break; - } - } - } - - c = *(unsigned char *) yyg->yy_c_buf_p; /* cast for 8-bit char's */ - *yyg->yy_c_buf_p = '\0'; /* preserve yytext */ - yyg->yy_hold_char = *++yyg->yy_c_buf_p; - - YY_CURRENT_BUFFER_LVALUE->yy_at_bol = (c == '\n'); - - return c; -} -#endif /* ifndef YY_NO_INPUT */ - -/** Immediately switch to a different input stream. - * @param input_file A readable stream. - * @param yyscanner The scanner object. - * @note This function does not reset the start condition to @c INITIAL . - */ - void _mesa_glsl_restart (FILE * input_file , yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - - if ( ! YY_CURRENT_BUFFER ){ - _mesa_glsl_ensure_buffer_stack (yyscanner); - YY_CURRENT_BUFFER_LVALUE = - _mesa_glsl__create_buffer(yyin,YY_BUF_SIZE ,yyscanner); - } - - _mesa_glsl__init_buffer(YY_CURRENT_BUFFER,input_file ,yyscanner); - _mesa_glsl__load_buffer_state(yyscanner ); -} - -/** Switch to a different input buffer. - * @param new_buffer The new input buffer. - * @param yyscanner The scanner object. - */ - void _mesa_glsl__switch_to_buffer (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - - /* TODO. We should be able to replace this entire function body - * with - * _mesa_glsl_pop_buffer_state(); - * _mesa_glsl_push_buffer_state(new_buffer); - */ - _mesa_glsl_ensure_buffer_stack (yyscanner); - if ( YY_CURRENT_BUFFER == new_buffer ) - return; - - if ( YY_CURRENT_BUFFER ) - { - /* Flush out information for old buffer. */ - *yyg->yy_c_buf_p = yyg->yy_hold_char; - YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p; - YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars; - } - - YY_CURRENT_BUFFER_LVALUE = new_buffer; - _mesa_glsl__load_buffer_state(yyscanner ); - - /* We don't actually know whether we did this switch during - * EOF (_mesa_glsl_wrap()) processing, but the only time this flag - * is looked at is after _mesa_glsl_wrap() is called, so it's safe - * to go ahead and always set it. - */ - yyg->yy_did_buffer_switch_on_eof = 1; -} - -static void _mesa_glsl__load_buffer_state (yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; - yyg->yytext_ptr = yyg->yy_c_buf_p = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos; - yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file; - yyg->yy_hold_char = *yyg->yy_c_buf_p; -} - -/** Allocate and initialize an input buffer state. - * @param file A readable stream. - * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE. - * @param yyscanner The scanner object. - * @return the allocated buffer state. - */ - YY_BUFFER_STATE _mesa_glsl__create_buffer (FILE * file, int size , yyscan_t yyscanner) -{ - YY_BUFFER_STATE b; - - b = (YY_BUFFER_STATE) _mesa_glsl_alloc(sizeof( struct yy_buffer_state ) ,yyscanner ); - if ( ! b ) - YY_FATAL_ERROR( "out of dynamic memory in _mesa_glsl__create_buffer()" ); - - b->yy_buf_size = size; - - /* yy_ch_buf has to be 2 characters longer than the size given because - * we need to put in 2 end-of-buffer characters. - */ - b->yy_ch_buf = (char *) _mesa_glsl_alloc(b->yy_buf_size + 2 ,yyscanner ); - if ( ! b->yy_ch_buf ) - YY_FATAL_ERROR( "out of dynamic memory in _mesa_glsl__create_buffer()" ); - - b->yy_is_our_buffer = 1; - - _mesa_glsl__init_buffer(b,file ,yyscanner); - - return b; -} - -/** Destroy the buffer. - * @param b a buffer created with _mesa_glsl__create_buffer() - * @param yyscanner The scanner object. - */ - void _mesa_glsl__delete_buffer (YY_BUFFER_STATE b , yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - - if ( ! b ) - return; - - if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */ - YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0; - - if ( b->yy_is_our_buffer ) - _mesa_glsl_free((void *) b->yy_ch_buf ,yyscanner ); - - _mesa_glsl_free((void *) b ,yyscanner ); -} - -/* Initializes or reinitializes a buffer. - * This function is sometimes called more than once on the same buffer, - * such as during a _mesa_glsl_restart() or at EOF. - */ - static void _mesa_glsl__init_buffer (YY_BUFFER_STATE b, FILE * file , yyscan_t yyscanner) - -{ - int oerrno = errno; - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - - _mesa_glsl__flush_buffer(b ,yyscanner); - - b->yy_input_file = file; - b->yy_fill_buffer = 1; - - /* If b is the current buffer, then _mesa_glsl__init_buffer was _probably_ - * called from _mesa_glsl_restart() or through yy_get_next_buffer. - * In that case, we don't want to reset the lineno or column. - */ - if (b != YY_CURRENT_BUFFER){ - b->yy_bs_lineno = 1; - b->yy_bs_column = 0; - } - - b->yy_is_interactive = 0; - - errno = oerrno; -} - -/** Discard all buffered characters. On the next scan, YY_INPUT will be called. - * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER. - * @param yyscanner The scanner object. - */ - void _mesa_glsl__flush_buffer (YY_BUFFER_STATE b , yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - if ( ! b ) - return; - - b->yy_n_chars = 0; - - /* We always need two end-of-buffer characters. The first causes - * a transition to the end-of-buffer state. The second causes - * a jam in that state. - */ - b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR; - b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; - - b->yy_buf_pos = &b->yy_ch_buf[0]; - - b->yy_at_bol = 1; - b->yy_buffer_status = YY_BUFFER_NEW; - - if ( b == YY_CURRENT_BUFFER ) - _mesa_glsl__load_buffer_state(yyscanner ); -} - -/** Pushes the new state onto the stack. The new state becomes - * the current state. This function will allocate the stack - * if necessary. - * @param new_buffer The new state. - * @param yyscanner The scanner object. - */ -void _mesa_glsl_push_buffer_state (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - if (new_buffer == NULL) - return; - - _mesa_glsl_ensure_buffer_stack(yyscanner); - - /* This block is copied from _mesa_glsl__switch_to_buffer. */ - if ( YY_CURRENT_BUFFER ) - { - /* Flush out information for old buffer. */ - *yyg->yy_c_buf_p = yyg->yy_hold_char; - YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p; - YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars; - } - - /* Only push if top exists. Otherwise, replace top. */ - if (YY_CURRENT_BUFFER) - yyg->yy_buffer_stack_top++; - YY_CURRENT_BUFFER_LVALUE = new_buffer; - - /* copied from _mesa_glsl__switch_to_buffer. */ - _mesa_glsl__load_buffer_state(yyscanner ); - yyg->yy_did_buffer_switch_on_eof = 1; -} - -/** Removes and deletes the top of the stack, if present. - * The next element becomes the new top. - * @param yyscanner The scanner object. - */ -void _mesa_glsl_pop_buffer_state (yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - if (!YY_CURRENT_BUFFER) - return; - - _mesa_glsl__delete_buffer(YY_CURRENT_BUFFER ,yyscanner); - YY_CURRENT_BUFFER_LVALUE = NULL; - if (yyg->yy_buffer_stack_top > 0) - --yyg->yy_buffer_stack_top; - - if (YY_CURRENT_BUFFER) { - _mesa_glsl__load_buffer_state(yyscanner ); - yyg->yy_did_buffer_switch_on_eof = 1; - } -} - -/* Allocates the stack if it does not exist. - * Guarantees space for at least one push. - */ -static void _mesa_glsl_ensure_buffer_stack (yyscan_t yyscanner) -{ - int num_to_alloc; - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - - if (!yyg->yy_buffer_stack) { - - /* First allocation is just for 2 elements, since we don't know if this - * scanner will even need a stack. We use 2 instead of 1 to avoid an - * immediate realloc on the next call. - */ - num_to_alloc = 1; - yyg->yy_buffer_stack = (struct yy_buffer_state**)_mesa_glsl_alloc - (num_to_alloc * sizeof(struct yy_buffer_state*) - , yyscanner); - if ( ! yyg->yy_buffer_stack ) - YY_FATAL_ERROR( "out of dynamic memory in _mesa_glsl_ensure_buffer_stack()" ); - - memset(yyg->yy_buffer_stack, 0, num_to_alloc * sizeof(struct yy_buffer_state*)); - - yyg->yy_buffer_stack_max = num_to_alloc; - yyg->yy_buffer_stack_top = 0; - return; - } - - if (yyg->yy_buffer_stack_top >= (yyg->yy_buffer_stack_max) - 1){ - - /* Increase the buffer to prepare for a possible push. */ - int grow_size = 8 /* arbitrary grow size */; - - num_to_alloc = yyg->yy_buffer_stack_max + grow_size; - yyg->yy_buffer_stack = (struct yy_buffer_state**)_mesa_glsl_realloc - (yyg->yy_buffer_stack, - num_to_alloc * sizeof(struct yy_buffer_state*) - , yyscanner); - if ( ! yyg->yy_buffer_stack ) - YY_FATAL_ERROR( "out of dynamic memory in _mesa_glsl_ensure_buffer_stack()" ); - - /* zero only the new slots.*/ - memset(yyg->yy_buffer_stack + yyg->yy_buffer_stack_max, 0, grow_size * sizeof(struct yy_buffer_state*)); - yyg->yy_buffer_stack_max = num_to_alloc; - } -} - -/** Setup the input buffer state to scan directly from a user-specified character buffer. - * @param base the character buffer - * @param size the size in bytes of the character buffer - * @param yyscanner The scanner object. - * @return the newly allocated buffer state object. - */ -YY_BUFFER_STATE _mesa_glsl__scan_buffer (char * base, yy_size_t size , yyscan_t yyscanner) -{ - YY_BUFFER_STATE b; - - if ( size < 2 || - base[size-2] != YY_END_OF_BUFFER_CHAR || - base[size-1] != YY_END_OF_BUFFER_CHAR ) - /* They forgot to leave room for the EOB's. */ - return 0; - - b = (YY_BUFFER_STATE) _mesa_glsl_alloc(sizeof( struct yy_buffer_state ) ,yyscanner ); - if ( ! b ) - YY_FATAL_ERROR( "out of dynamic memory in _mesa_glsl__scan_buffer()" ); - - b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */ - b->yy_buf_pos = b->yy_ch_buf = base; - b->yy_is_our_buffer = 0; - b->yy_input_file = 0; - b->yy_n_chars = b->yy_buf_size; - b->yy_is_interactive = 0; - b->yy_at_bol = 1; - b->yy_fill_buffer = 0; - b->yy_buffer_status = YY_BUFFER_NEW; - - _mesa_glsl__switch_to_buffer(b ,yyscanner ); - - return b; -} - -/** Setup the input buffer state to scan a string. The next call to _mesa_glsl_lex() will - * scan from a @e copy of @a str. - * @param yystr a NUL-terminated string to scan - * @param yyscanner The scanner object. - * @return the newly allocated buffer state object. - * @note If you want to scan bytes that may contain NUL values, then use - * _mesa_glsl__scan_bytes() instead. - */ -YY_BUFFER_STATE _mesa_glsl__scan_string (yyconst char * yystr , yyscan_t yyscanner) -{ - - return _mesa_glsl__scan_bytes(yystr,strlen(yystr) ,yyscanner); -} - -/** Setup the input buffer state to scan the given bytes. The next call to _mesa_glsl_lex() will - * scan from a @e copy of @a bytes. - * @param yybytes the byte buffer to scan - * @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes. - * @param yyscanner The scanner object. - * @return the newly allocated buffer state object. - */ -YY_BUFFER_STATE _mesa_glsl__scan_bytes (yyconst char * yybytes, int _yybytes_len , yyscan_t yyscanner) -{ - YY_BUFFER_STATE b; - char *buf; - yy_size_t n; - int i; - - /* Get memory for full buffer, including space for trailing EOB's. */ - n = _yybytes_len + 2; - buf = (char *) _mesa_glsl_alloc(n ,yyscanner ); - if ( ! buf ) - YY_FATAL_ERROR( "out of dynamic memory in _mesa_glsl__scan_bytes()" ); - - for ( i = 0; i < _yybytes_len; ++i ) - buf[i] = yybytes[i]; - - buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR; - - b = _mesa_glsl__scan_buffer(buf,n ,yyscanner); - if ( ! b ) - YY_FATAL_ERROR( "bad buffer in _mesa_glsl__scan_bytes()" ); - - /* It's okay to grow etc. this buffer, and we should throw it - * away when we're done. - */ - b->yy_is_our_buffer = 1; - - return b; -} - -#ifndef YY_EXIT_FAILURE -#define YY_EXIT_FAILURE 2 -#endif - -static void yy_fatal_error (yyconst char* msg , yyscan_t yyscanner) -{ - (void) fprintf( stderr, "%s\n", msg ); - exit( YY_EXIT_FAILURE ); -} - -/* Redefine yyless() so it works in section 3 code. */ - -#undef yyless -#define yyless(n) \ - do \ - { \ - /* Undo effects of setting up yytext. */ \ - int yyless_macro_arg = (n); \ - YY_LESS_LINENO(yyless_macro_arg);\ - yytext[yyleng] = yyg->yy_hold_char; \ - yyg->yy_c_buf_p = yytext + yyless_macro_arg; \ - yyg->yy_hold_char = *yyg->yy_c_buf_p; \ - *yyg->yy_c_buf_p = '\0'; \ - yyleng = yyless_macro_arg; \ - } \ - while ( 0 ) - -/* Accessor methods (get/set functions) to struct members. */ - -/** Get the user-defined data for this scanner. - * @param yyscanner The scanner object. - */ -YY_EXTRA_TYPE _mesa_glsl_get_extra (yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - return yyextra; -} - -/** Get the current line number. - * @param yyscanner The scanner object. - */ -int _mesa_glsl_get_lineno (yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - - if (! YY_CURRENT_BUFFER) - return 0; - - return yylineno; -} - -/** Get the current column number. - * @param yyscanner The scanner object. - */ -int _mesa_glsl_get_column (yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - - if (! YY_CURRENT_BUFFER) - return 0; - - return yycolumn; -} - -/** Get the input stream. - * @param yyscanner The scanner object. - */ -FILE *_mesa_glsl_get_in (yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - return yyin; -} - -/** Get the output stream. - * @param yyscanner The scanner object. - */ -FILE *_mesa_glsl_get_out (yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - return yyout; -} - -/** Get the length of the current token. - * @param yyscanner The scanner object. - */ -int _mesa_glsl_get_leng (yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - return yyleng; -} - -/** Get the current token. - * @param yyscanner The scanner object. - */ - -char *_mesa_glsl_get_text (yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - return yytext; -} - -/** Set the user-defined data. This data is never touched by the scanner. - * @param user_defined The data to be associated with this scanner. - * @param yyscanner The scanner object. - */ -void _mesa_glsl_set_extra (YY_EXTRA_TYPE user_defined , yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - yyextra = user_defined ; -} - -/** Set the current line number. - * @param line_number - * @param yyscanner The scanner object. - */ -void _mesa_glsl_set_lineno (int line_number , yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - - /* lineno is only valid if an input buffer exists. */ - if (! YY_CURRENT_BUFFER ) - yy_fatal_error( "_mesa_glsl_set_lineno called with no buffer" , yyscanner); - - yylineno = line_number; -} - -/** Set the current column. - * @param line_number - * @param yyscanner The scanner object. - */ -void _mesa_glsl_set_column (int column_no , yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - - /* column is only valid if an input buffer exists. */ - if (! YY_CURRENT_BUFFER ) - yy_fatal_error( "_mesa_glsl_set_column called with no buffer" , yyscanner); - - yycolumn = column_no; -} - -/** Set the input stream. This does not discard the current - * input buffer. - * @param in_str A readable stream. - * @param yyscanner The scanner object. - * @see _mesa_glsl__switch_to_buffer - */ -void _mesa_glsl_set_in (FILE * in_str , yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - yyin = in_str ; -} - -void _mesa_glsl_set_out (FILE * out_str , yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - yyout = out_str ; -} - -int _mesa_glsl_get_debug (yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - return yy_flex_debug; -} - -void _mesa_glsl_set_debug (int bdebug , yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - yy_flex_debug = bdebug ; -} - -/* Accessor methods for yylval and yylloc */ - -YYSTYPE * _mesa_glsl_get_lval (yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - return yylval; -} - -void _mesa_glsl_set_lval (YYSTYPE * yylval_param , yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - yylval = yylval_param; -} - -YYLTYPE *_mesa_glsl_get_lloc (yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - return yylloc; -} - -void _mesa_glsl_set_lloc (YYLTYPE * yylloc_param , yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - yylloc = yylloc_param; -} - -/* User-visible API */ - -/* _mesa_glsl_lex_init is special because it creates the scanner itself, so it is - * the ONLY reentrant function that doesn't take the scanner as the last argument. - * That's why we explicitly handle the declaration, instead of using our macros. - */ - -int _mesa_glsl_lex_init(yyscan_t* ptr_yy_globals) - -{ - if (ptr_yy_globals == NULL){ - errno = EINVAL; - return 1; - } - - *ptr_yy_globals = (yyscan_t) _mesa_glsl_alloc ( sizeof( struct yyguts_t ), NULL ); - - if (*ptr_yy_globals == NULL){ - errno = ENOMEM; - return 1; - } - - /* By setting to 0xAA, we expose bugs in yy_init_globals. Leave at 0x00 for releases. */ - memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t)); - - return yy_init_globals ( *ptr_yy_globals ); -} - -/* _mesa_glsl_lex_init_extra has the same functionality as _mesa_glsl_lex_init, but follows the - * convention of taking the scanner as the last argument. Note however, that - * this is a *pointer* to a scanner, as it will be allocated by this call (and - * is the reason, too, why this function also must handle its own declaration). - * The user defined value in the first argument will be available to _mesa_glsl_alloc in - * the yyextra field. - */ - -int _mesa_glsl_lex_init_extra(YY_EXTRA_TYPE yy_user_defined,yyscan_t* ptr_yy_globals ) - -{ - struct yyguts_t dummy_yyguts; - - _mesa_glsl_set_extra (yy_user_defined, &dummy_yyguts); - - if (ptr_yy_globals == NULL){ - errno = EINVAL; - return 1; - } - - *ptr_yy_globals = (yyscan_t) _mesa_glsl_alloc ( sizeof( struct yyguts_t ), &dummy_yyguts ); - - if (*ptr_yy_globals == NULL){ - errno = ENOMEM; - return 1; - } - - /* By setting to 0xAA, we expose bugs in - yy_init_globals. Leave at 0x00 for releases. */ - memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t)); - - _mesa_glsl_set_extra (yy_user_defined, *ptr_yy_globals); - - return yy_init_globals ( *ptr_yy_globals ); -} - -static int yy_init_globals (yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - /* Initialization is the same as for the non-reentrant scanner. - * This function is called from _mesa_glsl_lex_destroy(), so don't allocate here. - */ - - yyg->yy_buffer_stack = 0; - yyg->yy_buffer_stack_top = 0; - yyg->yy_buffer_stack_max = 0; - yyg->yy_c_buf_p = (char *) 0; - yyg->yy_init = 0; - yyg->yy_start = 0; - - yyg->yy_start_stack_ptr = 0; - yyg->yy_start_stack_depth = 0; - yyg->yy_start_stack = NULL; - -/* Defined in main.c */ -#ifdef YY_STDINIT - yyin = stdin; - yyout = stdout; -#else - yyin = (FILE *) 0; - yyout = (FILE *) 0; -#endif - - /* For future reference: Set errno on error, since we are called by - * _mesa_glsl_lex_init() - */ - return 0; -} - -/* _mesa_glsl_lex_destroy is for both reentrant and non-reentrant scanners. */ -int _mesa_glsl_lex_destroy (yyscan_t yyscanner) -{ - struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; - - /* Pop the buffer stack, destroying each element. */ - while(YY_CURRENT_BUFFER){ - _mesa_glsl__delete_buffer(YY_CURRENT_BUFFER ,yyscanner ); - YY_CURRENT_BUFFER_LVALUE = NULL; - _mesa_glsl_pop_buffer_state(yyscanner); - } - - /* Destroy the stack itself. */ - _mesa_glsl_free(yyg->yy_buffer_stack ,yyscanner); - yyg->yy_buffer_stack = NULL; - - /* Destroy the start condition stack. */ - _mesa_glsl_free(yyg->yy_start_stack ,yyscanner ); - yyg->yy_start_stack = NULL; - - /* Reset the globals. This is important in a non-reentrant scanner so the next time - * _mesa_glsl_lex() is called, initialization will occur. */ - yy_init_globals( yyscanner); - - /* Destroy the main struct (reentrant only). */ - _mesa_glsl_free ( yyscanner , yyscanner ); - yyscanner = NULL; - return 0; -} - -/* - * Internal utility routines. - */ - -#ifndef yytext_ptr -static void yy_flex_strncpy (char* s1, yyconst char * s2, int n , yyscan_t yyscanner) -{ - register int i; - for ( i = 0; i < n; ++i ) - s1[i] = s2[i]; -} -#endif - -#ifdef YY_NEED_STRLEN -static int yy_flex_strlen (yyconst char * s , yyscan_t yyscanner) -{ - register int n; - for ( n = 0; s[n]; ++n ) - ; - - return n; -} -#endif - -void *_mesa_glsl_alloc (yy_size_t size , yyscan_t yyscanner) -{ - return (void *) malloc( size ); -} - -void *_mesa_glsl_realloc (void * ptr, yy_size_t size , yyscan_t yyscanner) -{ - /* The cast to (char *) in the following accommodates both - * implementations that use char* generic pointers, and those - * that use void* generic pointers. It works with the latter - * because both ANSI C and C++ allow castless assignment from - * any pointer type to void*, and deal with argument conversions - * as though doing an assignment. - */ - return (void *) realloc( (char *) ptr, size ); -} - -void _mesa_glsl_free (void * ptr , yyscan_t yyscanner) -{ - free( (char *) ptr ); /* see _mesa_glsl_realloc() for (char *) cast */ -} - -#define YYTABLES_NAME "yytables" - -#line 426 "glsl_lexer.lpp" - - - -void -_mesa_glsl_lexer_ctor(struct _mesa_glsl_parse_state *state, const char *string) -{ - _mesa_glsl_lex_init_extra(state,& state->scanner); - _mesa_glsl__scan_string(string,state->scanner); -} - -void -_mesa_glsl_lexer_dtor(struct _mesa_glsl_parse_state *state) -{ - _mesa_glsl_lex_destroy(state->scanner); -} - +#line 2 "glsl_lexer.cpp" + +#line 4 "glsl_lexer.cpp" + +#define YY_INT_ALIGNED short int + +/* A lexical scanner generated by flex */ + +#define FLEX_SCANNER +#define YY_FLEX_MAJOR_VERSION 2 +#define YY_FLEX_MINOR_VERSION 5 +#define YY_FLEX_SUBMINOR_VERSION 35 +#if YY_FLEX_SUBMINOR_VERSION > 0 +#define FLEX_BETA +#endif + +/* First, we deal with platform-specific or compiler-specific issues. */ + +/* begin standard C headers. */ +#include +#include +#include +#include + +/* end standard C headers. */ + +/* flex integer type definitions */ + +#ifndef FLEXINT_H +#define FLEXINT_H + +/* C99 systems have . Non-C99 systems may or may not. */ + +#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + +/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h, + * if you want the limit (max/min) macros for int types. + */ +#ifndef __STDC_LIMIT_MACROS +#define __STDC_LIMIT_MACROS 1 +#endif + +#include +typedef int8_t flex_int8_t; +typedef uint8_t flex_uint8_t; +typedef int16_t flex_int16_t; +typedef uint16_t flex_uint16_t; +typedef int32_t flex_int32_t; +typedef uint32_t flex_uint32_t; +#else +typedef signed char flex_int8_t; +typedef short int flex_int16_t; +typedef int flex_int32_t; +typedef unsigned char flex_uint8_t; +typedef unsigned short int flex_uint16_t; +typedef unsigned int flex_uint32_t; +#endif /* ! C99 */ + +/* Limits of integral types. */ +#ifndef INT8_MIN +#define INT8_MIN (-128) +#endif +#ifndef INT16_MIN +#define INT16_MIN (-32767-1) +#endif +#ifndef INT32_MIN +#define INT32_MIN (-2147483647-1) +#endif +#ifndef INT8_MAX +#define INT8_MAX (127) +#endif +#ifndef INT16_MAX +#define INT16_MAX (32767) +#endif +#ifndef INT32_MAX +#define INT32_MAX (2147483647) +#endif +#ifndef UINT8_MAX +#define UINT8_MAX (255U) +#endif +#ifndef UINT16_MAX +#define UINT16_MAX (65535U) +#endif +#ifndef UINT32_MAX +#define UINT32_MAX (4294967295U) +#endif + +#endif /* ! FLEXINT_H */ + +#ifdef __cplusplus + +/* The "const" storage-class-modifier is valid. */ +#define YY_USE_CONST + +#else /* ! __cplusplus */ + +/* C99 requires __STDC__ to be defined as 1. */ +#if defined (__STDC__) + +#define YY_USE_CONST + +#endif /* defined (__STDC__) */ +#endif /* ! __cplusplus */ + +#ifdef YY_USE_CONST +#define yyconst const +#else +#define yyconst +#endif + +/* Returned upon end-of-file. */ +#define YY_NULL 0 + +/* Promotes a possibly negative, possibly signed char to an unsigned + * integer for use as an array index. If the signed char is negative, + * we want to instead treat it as an 8-bit unsigned char, hence the + * double cast. + */ +#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c) + +/* An opaque pointer. */ +#ifndef YY_TYPEDEF_YY_SCANNER_T +#define YY_TYPEDEF_YY_SCANNER_T +typedef void* yyscan_t; +#endif + +/* For convenience, these vars (plus the bison vars far below) + are macros in the reentrant scanner. */ +#define yyin yyg->yyin_r +#define yyout yyg->yyout_r +#define yyextra yyg->yyextra_r +#define yyleng yyg->yyleng_r +#define yytext yyg->yytext_r +#define yylineno (YY_CURRENT_BUFFER_LVALUE->yy_bs_lineno) +#define yycolumn (YY_CURRENT_BUFFER_LVALUE->yy_bs_column) +#define yy_flex_debug yyg->yy_flex_debug_r + +/* Enter a start condition. This macro really ought to take a parameter, + * but we do it the disgusting crufty way forced on us by the ()-less + * definition of BEGIN. + */ +#define BEGIN yyg->yy_start = 1 + 2 * + +/* Translate the current start state into a value that can be later handed + * to BEGIN to return to the state. The YYSTATE alias is for lex + * compatibility. + */ +#define YY_START ((yyg->yy_start - 1) / 2) +#define YYSTATE YY_START + +/* Action number for EOF rule of a given start state. */ +#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1) + +/* Special action meaning "start processing a new file". */ +#define YY_NEW_FILE _mesa_glsl_restart(yyin ,yyscanner ) + +#define YY_END_OF_BUFFER_CHAR 0 + +/* Size of default input buffer. */ +#ifndef YY_BUF_SIZE +#define YY_BUF_SIZE 16384 +#endif + +/* The state buf must be large enough to hold one state per character in the main buffer. + */ +#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type)) + +#ifndef YY_TYPEDEF_YY_BUFFER_STATE +#define YY_TYPEDEF_YY_BUFFER_STATE +typedef struct yy_buffer_state *YY_BUFFER_STATE; +#endif + +#define EOB_ACT_CONTINUE_SCAN 0 +#define EOB_ACT_END_OF_FILE 1 +#define EOB_ACT_LAST_MATCH 2 + + #define YY_LESS_LINENO(n) + +/* Return all but the first "n" matched characters back to the input stream. */ +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up yytext. */ \ + int yyless_macro_arg = (n); \ + YY_LESS_LINENO(yyless_macro_arg);\ + *yy_cp = yyg->yy_hold_char; \ + YY_RESTORE_YY_MORE_OFFSET \ + yyg->yy_c_buf_p = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \ + YY_DO_BEFORE_ACTION; /* set up yytext again */ \ + } \ + while ( 0 ) + +#define unput(c) yyunput( c, yyg->yytext_ptr , yyscanner ) + +#ifndef YY_TYPEDEF_YY_SIZE_T +#define YY_TYPEDEF_YY_SIZE_T +typedef size_t yy_size_t; +#endif + +#ifndef YY_STRUCT_YY_BUFFER_STATE +#define YY_STRUCT_YY_BUFFER_STATE +struct yy_buffer_state + { + FILE *yy_input_file; + + char *yy_ch_buf; /* input buffer */ + char *yy_buf_pos; /* current position in input buffer */ + + /* Size of input buffer in bytes, not including room for EOB + * characters. + */ + yy_size_t yy_buf_size; + + /* Number of characters read into yy_ch_buf, not including EOB + * characters. + */ + int yy_n_chars; + + /* Whether we "own" the buffer - i.e., we know we created it, + * and can realloc() it to grow it, and should free() it to + * delete it. + */ + int yy_is_our_buffer; + + /* Whether this is an "interactive" input source; if so, and + * if we're using stdio for input, then we want to use getc() + * instead of fread(), to make sure we stop fetching input after + * each newline. + */ + int yy_is_interactive; + + /* Whether we're considered to be at the beginning of a line. + * If so, '^' rules will be active on the next match, otherwise + * not. + */ + int yy_at_bol; + + int yy_bs_lineno; /**< The line count. */ + int yy_bs_column; /**< The column count. */ + + /* Whether to try to fill the input buffer when we reach the + * end of it. + */ + int yy_fill_buffer; + + int yy_buffer_status; + +#define YY_BUFFER_NEW 0 +#define YY_BUFFER_NORMAL 1 + /* When an EOF's been seen but there's still some text to process + * then we mark the buffer as YY_EOF_PENDING, to indicate that we + * shouldn't try reading from the input source any more. We might + * still have a bunch of tokens to match, though, because of + * possible backing-up. + * + * When we actually see the EOF, we change the status to "new" + * (via _mesa_glsl_restart()), so that the user can continue scanning by + * just pointing yyin at a new input file. + */ +#define YY_BUFFER_EOF_PENDING 2 + + }; +#endif /* !YY_STRUCT_YY_BUFFER_STATE */ + +/* We provide macros for accessing buffer states in case in the + * future we want to put the buffer states in a more general + * "scanner state". + * + * Returns the top of the stack, or NULL. + */ +#define YY_CURRENT_BUFFER ( yyg->yy_buffer_stack \ + ? yyg->yy_buffer_stack[yyg->yy_buffer_stack_top] \ + : NULL) + +/* Same as previous macro, but useful when we know that the buffer stack is not + * NULL or when we need an lvalue. For internal use only. + */ +#define YY_CURRENT_BUFFER_LVALUE yyg->yy_buffer_stack[yyg->yy_buffer_stack_top] + +void _mesa_glsl_restart (FILE *input_file ,yyscan_t yyscanner ); +void _mesa_glsl__switch_to_buffer (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner ); +YY_BUFFER_STATE _mesa_glsl__create_buffer (FILE *file,int size ,yyscan_t yyscanner ); +void _mesa_glsl__delete_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner ); +void _mesa_glsl__flush_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner ); +void _mesa_glsl_push_buffer_state (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner ); +void _mesa_glsl_pop_buffer_state (yyscan_t yyscanner ); + +static void _mesa_glsl_ensure_buffer_stack (yyscan_t yyscanner ); +static void _mesa_glsl__load_buffer_state (yyscan_t yyscanner ); +static void _mesa_glsl__init_buffer (YY_BUFFER_STATE b,FILE *file ,yyscan_t yyscanner ); + +#define YY_FLUSH_BUFFER _mesa_glsl__flush_buffer(YY_CURRENT_BUFFER ,yyscanner) + +YY_BUFFER_STATE _mesa_glsl__scan_buffer (char *base,yy_size_t size ,yyscan_t yyscanner ); +YY_BUFFER_STATE _mesa_glsl__scan_string (yyconst char *yy_str ,yyscan_t yyscanner ); +YY_BUFFER_STATE _mesa_glsl__scan_bytes (yyconst char *bytes,int len ,yyscan_t yyscanner ); + +void *_mesa_glsl_alloc (yy_size_t ,yyscan_t yyscanner ); +void *_mesa_glsl_realloc (void *,yy_size_t ,yyscan_t yyscanner ); +void _mesa_glsl_free (void * ,yyscan_t yyscanner ); + +#define yy_new_buffer _mesa_glsl__create_buffer + +#define yy_set_interactive(is_interactive) \ + { \ + if ( ! YY_CURRENT_BUFFER ){ \ + _mesa_glsl_ensure_buffer_stack (yyscanner); \ + YY_CURRENT_BUFFER_LVALUE = \ + _mesa_glsl__create_buffer(yyin,YY_BUF_SIZE ,yyscanner); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \ + } + +#define yy_set_bol(at_bol) \ + { \ + if ( ! YY_CURRENT_BUFFER ){\ + _mesa_glsl_ensure_buffer_stack (yyscanner); \ + YY_CURRENT_BUFFER_LVALUE = \ + _mesa_glsl__create_buffer(yyin,YY_BUF_SIZE ,yyscanner); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \ + } + +#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol) + +/* Begin user sect3 */ + +#define _mesa_glsl_wrap(n) 1 +#define YY_SKIP_YYWRAP + +typedef unsigned char YY_CHAR; + +typedef int yy_state_type; + +#define yytext_ptr yytext_r + +static yy_state_type yy_get_previous_state (yyscan_t yyscanner ); +static yy_state_type yy_try_NUL_trans (yy_state_type current_state ,yyscan_t yyscanner); +static int yy_get_next_buffer (yyscan_t yyscanner ); +static void yy_fatal_error (yyconst char msg[] ,yyscan_t yyscanner ); + +/* Done after the current pattern has been matched and before the + * corresponding action - sets up yytext. + */ +#define YY_DO_BEFORE_ACTION \ + yyg->yytext_ptr = yy_bp; \ + yyleng = (size_t) (yy_cp - yy_bp); \ + yyg->yy_hold_char = *yy_cp; \ + *yy_cp = '\0'; \ + yyg->yy_c_buf_p = yy_cp; + +#define YY_NUM_RULES 210 +#define YY_END_OF_BUFFER 211 +/* This struct is not used in this scanner, + but its presence is necessary. */ +struct yy_trans_info + { + flex_int32_t yy_verify; + flex_int32_t yy_nxt; + }; +static yyconst flex_int16_t yy_accept[836] = + { 0, + 0, 0, 16, 16, 0, 0, 211, 209, 1, 21, + 209, 209, 209, 209, 209, 209, 209, 209, 120, 118, + 209, 209, 209, 208, 209, 208, 208, 208, 208, 208, + 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, + 208, 208, 208, 208, 208, 209, 1, 209, 210, 16, + 20, 210, 19, 17, 18, 14, 13, 1, 102, 111, + 103, 114, 108, 97, 110, 98, 117, 122, 109, 123, + 120, 0, 0, 125, 120, 0, 118, 118, 106, 99, + 101, 100, 107, 208, 115, 105, 208, 208, 208, 208, + 208, 208, 208, 208, 208, 208, 208, 208, 30, 208, + + 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, + 208, 208, 34, 208, 208, 61, 208, 208, 208, 208, + 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, + 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, + 208, 208, 208, 208, 208, 208, 208, 208, 208, 116, + 104, 1, 0, 0, 2, 0, 0, 0, 0, 16, + 15, 19, 18, 0, 122, 121, 0, 123, 0, 124, + 119, 112, 113, 208, 128, 208, 208, 208, 208, 208, + 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, + 208, 208, 208, 208, 208, 208, 33, 208, 208, 208, + + 208, 208, 208, 208, 208, 208, 208, 26, 208, 208, + 208, 208, 208, 208, 208, 208, 208, 208, 208, 62, + 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, + 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, + 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, + 0, 0, 0, 0, 15, 0, 122, 0, 121, 0, + 123, 124, 119, 208, 208, 24, 208, 208, 175, 168, + 208, 208, 208, 208, 208, 208, 208, 208, 208, 32, + 131, 208, 208, 208, 208, 68, 208, 208, 136, 150, + 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, + + 208, 208, 147, 171, 49, 50, 51, 208, 208, 208, + 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, + 208, 208, 208, 208, 208, 208, 208, 134, 126, 208, + 208, 27, 208, 208, 208, 208, 208, 208, 208, 46, + 47, 48, 95, 208, 208, 0, 0, 0, 0, 0, + 121, 208, 208, 28, 37, 38, 39, 208, 129, 208, + 23, 208, 208, 208, 208, 158, 159, 160, 208, 127, + 208, 151, 25, 161, 162, 163, 173, 155, 156, 157, + 208, 208, 208, 63, 153, 208, 208, 208, 40, 41, + 42, 208, 208, 208, 208, 208, 208, 208, 208, 208, + + 208, 208, 208, 208, 208, 208, 208, 148, 208, 208, + 208, 208, 208, 208, 208, 208, 208, 208, 130, 208, + 208, 170, 43, 44, 45, 208, 208, 31, 0, 0, + 0, 0, 178, 208, 208, 176, 208, 208, 208, 149, + 144, 181, 208, 208, 208, 208, 208, 208, 139, 208, + 208, 208, 96, 52, 53, 54, 55, 56, 57, 58, + 59, 60, 208, 208, 208, 208, 154, 135, 208, 208, + 142, 36, 208, 208, 167, 69, 143, 94, 179, 137, + 208, 208, 208, 208, 208, 208, 208, 208, 0, 0, + 0, 0, 208, 208, 208, 138, 35, 208, 208, 208, + + 208, 208, 208, 182, 183, 184, 208, 208, 208, 208, + 208, 172, 208, 208, 208, 208, 208, 208, 208, 208, + 132, 208, 208, 208, 208, 208, 64, 208, 208, 65, + 208, 0, 0, 0, 0, 0, 208, 66, 29, 145, + 186, 187, 188, 208, 208, 208, 208, 208, 208, 208, + 208, 208, 208, 208, 208, 140, 208, 208, 208, 208, + 208, 208, 208, 208, 208, 133, 190, 191, 192, 208, + 208, 152, 208, 141, 0, 0, 6, 0, 0, 0, + 12, 3, 22, 208, 208, 208, 208, 208, 208, 208, + 208, 208, 185, 146, 67, 208, 208, 208, 208, 169, + + 208, 177, 174, 207, 71, 72, 73, 208, 208, 208, + 208, 208, 208, 208, 208, 208, 208, 0, 0, 0, + 0, 0, 0, 0, 208, 208, 208, 189, 208, 208, + 208, 208, 208, 82, 83, 84, 208, 208, 208, 208, + 208, 208, 208, 208, 208, 208, 208, 208, 208, 193, + 88, 89, 90, 208, 4, 0, 5, 0, 0, 0, + 0, 0, 0, 208, 208, 208, 208, 208, 208, 208, + 204, 208, 208, 208, 208, 208, 208, 208, 208, 208, + 208, 208, 74, 208, 208, 208, 208, 208, 208, 0, + 0, 0, 0, 208, 208, 205, 194, 208, 195, 208, + + 208, 208, 85, 208, 208, 208, 208, 208, 208, 208, + 208, 208, 208, 208, 206, 208, 208, 91, 0, 0, + 0, 196, 197, 208, 200, 208, 201, 208, 208, 70, + 208, 208, 208, 164, 208, 165, 180, 208, 198, 199, + 208, 208, 0, 0, 0, 208, 208, 208, 208, 75, + 208, 76, 208, 208, 208, 208, 208, 0, 0, 0, + 0, 208, 208, 86, 87, 208, 77, 208, 208, 78, + 208, 92, 93, 0, 0, 0, 0, 208, 208, 208, + 208, 208, 208, 0, 0, 0, 0, 208, 208, 208, + 208, 208, 79, 0, 0, 0, 7, 0, 0, 202, + + 203, 208, 208, 208, 0, 0, 8, 0, 0, 208, + 208, 166, 0, 0, 0, 80, 81, 0, 0, 0, + 9, 0, 0, 10, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 11, 0 + } ; + +static yyconst flex_int32_t yy_ec[256] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, + 1, 1, 4, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 2, 5, 1, 6, 1, 7, 8, 1, 9, + 10, 11, 12, 1, 13, 14, 15, 16, 17, 18, + 19, 20, 21, 21, 21, 22, 22, 23, 1, 24, + 25, 26, 1, 1, 27, 28, 29, 30, 31, 32, + 33, 34, 34, 34, 34, 35, 34, 34, 34, 34, + 34, 36, 37, 38, 39, 34, 34, 40, 34, 34, + 1, 1, 1, 41, 42, 1, 43, 44, 45, 46, + + 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, + 57, 58, 34, 59, 60, 61, 62, 63, 64, 65, + 66, 67, 1, 68, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1 + } ; + +static yyconst flex_int32_t yy_meta[69] = + { 0, + 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, + 3, 3, 1, 1, 1, 1, 4, 4, 4, 4, + 3, 3, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 5, 4, 4, 4, 4, 3, 3, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 1 + } ; + +static yyconst flex_int16_t yy_base[845] = + { 0, + 0, 67, 73, 0, 1210, 1209, 1211, 1214, 68, 1214, + 1185, 1184, 134, 1183, 131, 132, 130, 1182, 146, 198, + 129, 1181, 144, 0, 130, 113, 124, 141, 150, 126, + 181, 1148, 159, 192, 118, 129, 146, 1142, 147, 174, + 206, 192, 203, 222, 1153, 203, 221, 231, 1214, 260, + 1214, 1187, 279, 1214, 0, 1214, 1214, 270, 1214, 1214, + 1214, 1214, 1214, 1214, 1214, 1214, 1214, 244, 1214, 255, + 139, 290, 307, 1214, 1214, 0, 0, 1214, 1176, 1214, + 1214, 1214, 1175, 0, 1214, 1214, 1138, 1143, 1136, 1139, + 1148, 1147, 1133, 1136, 1148, 144, 1142, 1129, 1126, 1140, + + 1126, 1123, 1123, 1129, 219, 193, 1123, 1134, 1119, 1125, + 1129, 1130, 0, 1121, 1132, 278, 1131, 1126, 1106, 224, + 1110, 1124, 1114, 232, 1107, 271, 1120, 1122, 1104, 1100, + 1108, 1105, 1094, 1103, 234, 1101, 1107, 1102, 1105, 1093, + 1096, 226, 145, 262, 1106, 1093, 1106, 263, 1099, 1214, + 1214, 338, 331, 343, 1214, 1084, 1097, 1088, 1099, 345, + 0, 334, 0, 345, 1214, 328, 391, 1214, 352, 398, + 338, 1214, 1214, 1094, 0, 1085, 1089, 1099, 1096, 332, + 1079, 1079, 1083, 320, 1094, 1091, 1091, 1089, 1086, 1077, + 1084, 1070, 1068, 1081, 1066, 1083, 0, 1080, 1067, 1075, + + 1072, 1076, 1077, 1070, 1067, 1055, 1054, 1068, 1071, 1058, + 1067, 1054, 1061, 1051, 364, 1057, 1060, 1050, 1058, 1046, + 1050, 1041, 1056, 1046, 1037, 1056, 1039, 1037, 1048, 1037, + 1032, 1030, 1044, 1029, 1031, 1028, 1040, 1039, 1042, 1023, + 338, 1032, 1027, 1025, 1035, 1013, 403, 1032, 1034, 1022, + 1014, 1018, 1030, 1013, 0, 415, 422, 439, 1214, 446, + 455, 1214, 1214, 1008, 1019, 0, 1016, 406, 0, 0, + 1009, 1007, 1009, 1004, 1013, 1001, 1019, 1007, 409, 0, + 0, 1001, 1012, 1011, 1011, 0, 995, 429, 0, 0, + 997, 460, 1005, 1006, 996, 990, 989, 990, 989, 989, + + 463, 984, 0, 0, 980, 979, 978, 980, 981, 986, + 980, 976, 990, 985, 984, 983, 974, 977, 977, 969, + 972, 967, 976, 981, 966, 979, 969, 0, 0, 976, + 972, 0, 963, 963, 969, 959, 967, 466, 964, 0, + 0, 0, 0, 953, 966, 965, 964, 961, 949, 472, + 479, 961, 963, 0, 0, 0, 0, 949, 0, 949, + 0, 948, 949, 943, 954, 0, 0, 0, 944, 0, + 940, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 951, 487, 950, 0, 0, 948, 944, 940, 0, 0, + 0, 932, 489, 494, 499, 937, 933, 939, 929, 927, + + 941, 925, 925, 939, 927, 939, 934, 0, 932, 929, + 933, 916, 918, 925, 931, 926, 925, 912, 0, 914, + 915, 0, 0, 0, 0, 912, 916, 0, 910, 963, + 909, 912, 0, 900, 910, 0, 898, 898, 912, 0, + 914, 0, 503, 926, 925, 924, 891, 890, 0, 908, + 907, 902, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 890, 904, 890, 887, 0, 0, 893, 892, + 0, 0, 890, 882, 0, 0, 0, 0, 0, 0, + 879, 891, 506, 883, 890, 889, 886, 880, 873, 524, + 889, 874, 869, 883, 881, 0, 0, 873, 896, 895, + + 894, 861, 860, 361, 365, 0, 873, 876, 874, 862, + 858, 0, 871, 868, 867, 856, 855, 854, 519, 863, + 0, 879, 878, 877, 844, 843, 0, 858, 844, 0, + 855, 850, 547, 553, 898, 843, 851, 0, 0, 0, + 870, 869, 0, 847, 850, 834, 842, 832, 840, 841, + 841, 840, 825, 559, 838, 0, 839, 827, 826, 822, + 850, 849, 848, 815, 814, 0, 848, 847, 0, 825, + 828, 0, 562, 0, 814, 580, 1214, 587, 0, 607, + 584, 1214, 0, 811, 810, 820, 820, 807, 822, 805, + 820, 815, 0, 0, 0, 831, 830, 829, 796, 0, + + 796, 0, 0, 0, 502, 524, 820, 807, 810, 794, + 793, 803, 803, 819, 818, 817, 784, 789, 615, 640, + 550, 806, 796, 784, 782, 781, 792, 0, 795, 791, + 793, 789, 775, 806, 805, 0, 787, 779, 770, 778, + 768, 779, 775, 777, 775, 775, 762, 761, 772, 0, + 791, 790, 0, 772, 1214, 555, 1214, 647, 0, 667, + 785, 770, 752, 769, 768, 751, 743, 751, 741, 749, + 0, 746, 745, 756, 739, 742, 757, 740, 753, 754, + 751, 748, 757, 750, 749, 732, 731, 730, 741, 582, + 754, 724, 734, 718, 717, 0, 745, 717, 743, 715, + + 719, 718, 0, 729, 732, 728, 730, 711, 725, 709, + 710, 718, 701, 700, 0, 706, 705, 0, 728, 713, + 706, 0, 0, 710, 0, 709, 0, 715, 714, 0, + 690, 698, 688, 716, 695, 0, 0, 708, 0, 0, + 707, 706, 746, 611, 696, 703, 702, 678, 677, 705, + 677, 703, 689, 674, 691, 670, 669, 190, 613, 557, + 667, 687, 686, 0, 0, 681, 0, 680, 686, 0, + 671, 0, 0, 671, 590, 343, 672, 645, 644, 654, + 635, 631, 612, 612, 604, 443, 635, 576, 575, 549, + 25, 87, 0, 183, 500, 552, 1214, 636, 591, 0, + + 0, 196, 258, 254, 272, 609, 1214, 614, 598, 279, + 284, 0, 336, 348, 671, 0, 0, 362, 672, 688, + 1214, 394, 689, 1214, 408, 670, 691, 649, 651, 474, + 476, 693, 694, 1214, 1214, 704, 707, 710, 530, 591, + 713, 717, 720, 722 + } ; + +static yyconst flex_int16_t yy_def[845] = + { 0, + 835, 1, 835, 3, 836, 836, 835, 835, 835, 835, + 835, 835, 835, 835, 835, 835, 835, 835, 835, 835, + 835, 835, 835, 837, 835, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 835, 835, 835, 835, 835, + 835, 835, 835, 835, 838, 835, 835, 835, 835, 835, + 835, 835, 835, 835, 835, 835, 835, 839, 835, 840, + 19, 835, 835, 835, 835, 841, 20, 835, 835, 835, + 835, 835, 835, 837, 835, 835, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 837, 835, + 835, 835, 835, 835, 835, 835, 835, 835, 835, 835, + 842, 835, 838, 835, 835, 840, 835, 835, 835, 835, + 841, 835, 835, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 835, 835, 835, 835, 842, 835, 835, 835, 835, 835, + 835, 835, 835, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 835, 835, 835, 835, 835, + 835, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 835, 835, + 835, 835, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 835, 835, + 835, 835, 837, 837, 837, 837, 837, 837, 837, 837, + + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 835, 835, 835, 835, 835, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 835, 835, 835, 835, 843, 835, + 835, 835, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 835, 835, 835, + 843, 835, 835, 835, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 835, 835, 835, 835, 844, 835, + 835, 835, 835, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 837, 844, + 835, 835, 835, 837, 837, 837, 837, 837, 837, 837, + + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 835, 835, + 835, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 835, 835, 835, 837, 837, 837, 837, 837, + 837, 837, 837, 837, 837, 837, 837, 835, 835, 835, + 835, 837, 837, 837, 837, 837, 837, 837, 837, 837, + 837, 837, 837, 835, 835, 835, 835, 837, 837, 837, + 837, 837, 837, 835, 835, 835, 835, 837, 837, 837, + 837, 837, 837, 835, 835, 835, 835, 835, 835, 837, + + 837, 837, 837, 837, 835, 835, 835, 835, 835, 837, + 837, 837, 835, 835, 835, 837, 837, 835, 835, 835, + 835, 835, 835, 835, 835, 835, 835, 835, 835, 835, + 835, 835, 835, 835, 0, 835, 835, 835, 835, 835, + 835, 835, 835, 835 + } ; + +static yyconst flex_int16_t yy_nxt[1283] = + { 0, + 8, 9, 10, 9, 11, 8, 12, 13, 8, 8, + 14, 15, 16, 17, 18, 19, 20, 20, 20, 20, + 20, 20, 8, 21, 22, 23, 24, 24, 24, 24, + 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, + 25, 24, 26, 27, 28, 29, 30, 31, 32, 33, + 34, 24, 24, 35, 36, 37, 38, 39, 40, 41, + 42, 43, 44, 45, 24, 24, 24, 46, 47, 58, + 803, 58, 48, 49, 50, 51, 50, 49, 49, 49, + 49, 49, 49, 49, 49, 49, 49, 52, 49, 53, + 53, 53, 53, 53, 53, 54, 49, 49, 49, 55, + + 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, + 55, 55, 55, 49, 55, 55, 55, 55, 55, 55, + 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, + 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, + 49, 61, 64, 804, 66, 68, 68, 68, 68, 68, + 68, 68, 79, 80, 85, 65, 67, 87, 62, 70, + 119, 71, 71, 71, 71, 71, 71, 72, 82, 83, + 86, 121, 88, 89, 120, 122, 73, 74, 835, 101, + 90, 102, 91, 93, 75, 76, 92, 94, 123, 126, + 103, 758, 73, 74, 95, 241, 97, 96, 183, 184, + + 98, 110, 124, 835, 242, 127, 99, 75, 128, 111, + 76, 70, 100, 77, 77, 77, 77, 77, 77, 77, + 129, 112, 152, 104, 58, 805, 153, 150, 73, 74, + 130, 105, 154, 155, 106, 195, 78, 107, 138, 113, + 774, 139, 114, 108, 73, 74, 115, 116, 131, 196, + 140, 117, 810, 142, 118, 132, 133, 141, 143, 78, + 134, 160, 144, 160, 146, 145, 135, 136, 147, 137, + 151, 58, 193, 58, 164, 165, 231, 156, 148, 213, + 239, 240, 218, 194, 157, 167, 168, 214, 158, 219, + 164, 165, 232, 159, 162, 162, 162, 162, 162, 162, + + 162, 167, 168, 70, 243, 72, 72, 72, 72, 72, + 72, 72, 244, 248, 811, 221, 249, 812, 169, 169, + 73, 74, 170, 170, 170, 170, 170, 170, 170, 222, + 813, 205, 154, 155, 206, 207, 73, 74, 208, 152, + 209, 58, 816, 153, 154, 155, 160, 817, 160, 162, + 162, 162, 162, 162, 162, 162, 256, 256, 258, 259, + 257, 257, 257, 257, 257, 257, 257, 170, 170, 170, + 170, 170, 170, 170, 258, 259, 263, 156, 269, 274, + 275, 305, 306, 307, 157, 333, 818, 546, 158, 156, + 785, 548, 270, 159, 334, 819, 157, 547, 786, 263, + + 158, 549, 260, 260, 822, 159, 261, 261, 261, 261, + 261, 261, 261, 170, 170, 170, 170, 170, 170, 170, + 340, 341, 342, 355, 356, 357, 366, 367, 368, 262, + 257, 257, 257, 257, 257, 257, 257, 257, 257, 257, + 257, 257, 257, 257, 796, 262, 374, 375, 376, 825, + 350, 350, 797, 165, 351, 351, 351, 351, 351, 351, + 351, 261, 261, 261, 261, 261, 261, 261, 826, 165, + 261, 261, 261, 261, 261, 261, 261, 378, 379, 380, + 389, 390, 391, 423, 424, 425, 168, 351, 351, 351, + 351, 351, 351, 351, 351, 351, 351, 351, 351, 351, + + 351, 806, 168, 444, 445, 446, 454, 455, 456, 807, + 259, 457, 458, 459, 447, 448, 460, 461, 462, 499, + 500, 501, 522, 523, 524, 490, 259, 831, 639, 832, + 502, 503, 68, 525, 526, 561, 562, 563, 640, 533, + 534, 534, 534, 534, 534, 534, 564, 565, 576, 577, + 641, 576, 577, 796, 576, 577, 656, 657, 775, 642, + 643, 797, 578, 578, 578, 578, 578, 578, 580, 580, + 580, 580, 580, 580, 580, 596, 597, 598, 614, 615, + 616, 576, 577, 656, 657, 581, 579, 599, 576, 577, + 617, 775, 808, 166, 802, 619, 620, 620, 620, 620, + + 620, 620, 578, 578, 578, 578, 578, 578, 576, 577, + 806, 579, 759, 776, 759, 808, 656, 657, 807, 760, + 622, 760, 580, 580, 580, 580, 580, 580, 580, 623, + 658, 658, 658, 658, 658, 658, 798, 798, 801, 800, + 624, 656, 657, 799, 799, 814, 776, 809, 656, 657, + 829, 795, 829, 815, 659, 660, 660, 660, 660, 660, + 660, 660, 658, 658, 658, 658, 658, 658, 656, 657, + 809, 827, 820, 823, 794, 793, 792, 791, 828, 659, + 821, 824, 660, 660, 660, 660, 660, 660, 660, 820, + 823, 830, 827, 830, 833, 833, 790, 821, 824, 828, + + 789, 788, 834, 834, 56, 56, 56, 56, 56, 84, + 84, 84, 163, 163, 163, 171, 171, 255, 787, 255, + 255, 255, 621, 621, 690, 690, 784, 783, 782, 781, + 780, 779, 778, 777, 773, 772, 771, 770, 769, 768, + 767, 766, 765, 764, 763, 762, 761, 758, 757, 756, + 755, 754, 753, 752, 751, 750, 749, 748, 747, 746, + 745, 744, 743, 742, 741, 740, 739, 738, 737, 736, + 735, 734, 733, 732, 731, 730, 729, 728, 727, 726, + 725, 724, 723, 722, 721, 720, 719, 718, 717, 716, + 715, 714, 713, 712, 711, 710, 709, 708, 707, 706, + + 705, 704, 703, 702, 701, 700, 699, 698, 697, 696, + 695, 694, 693, 692, 691, 689, 688, 687, 686, 685, + 684, 683, 682, 681, 680, 679, 678, 677, 676, 675, + 674, 673, 672, 671, 670, 669, 668, 667, 666, 665, + 664, 663, 662, 661, 655, 654, 653, 652, 651, 650, + 649, 648, 647, 646, 645, 644, 638, 637, 636, 635, + 634, 633, 632, 631, 630, 629, 628, 627, 626, 625, + 618, 613, 612, 611, 610, 609, 608, 607, 606, 605, + 604, 603, 602, 601, 600, 595, 594, 593, 592, 591, + 590, 589, 588, 587, 586, 585, 584, 583, 582, 581, + + 575, 574, 573, 572, 571, 570, 569, 568, 567, 566, + 560, 559, 558, 557, 556, 555, 554, 553, 552, 551, + 550, 545, 544, 543, 542, 541, 540, 539, 538, 537, + 536, 535, 532, 531, 530, 529, 528, 527, 521, 520, + 519, 518, 517, 516, 515, 514, 513, 512, 511, 510, + 509, 508, 507, 506, 505, 504, 498, 497, 496, 495, + 494, 493, 492, 491, 490, 489, 488, 487, 486, 485, + 484, 483, 482, 481, 480, 479, 478, 477, 476, 475, + 474, 473, 472, 471, 470, 469, 468, 467, 466, 465, + 464, 463, 453, 452, 451, 450, 449, 443, 442, 441, + + 440, 439, 438, 437, 436, 435, 434, 433, 432, 431, + 430, 429, 428, 427, 426, 422, 421, 420, 419, 418, + 417, 416, 415, 414, 413, 412, 411, 410, 409, 408, + 407, 406, 405, 404, 403, 402, 401, 400, 399, 398, + 397, 396, 395, 394, 393, 392, 388, 387, 386, 385, + 384, 383, 382, 381, 377, 373, 372, 371, 370, 369, + 365, 364, 363, 362, 361, 360, 359, 358, 354, 353, + 352, 349, 348, 347, 346, 345, 344, 343, 339, 338, + 337, 336, 335, 332, 331, 330, 329, 328, 327, 326, + 325, 324, 323, 322, 321, 320, 319, 318, 317, 316, + + 315, 314, 313, 312, 311, 310, 309, 308, 304, 303, + 302, 301, 300, 299, 298, 297, 296, 295, 294, 293, + 292, 291, 290, 289, 288, 287, 286, 285, 284, 283, + 282, 281, 280, 279, 278, 277, 276, 273, 272, 271, + 268, 267, 266, 265, 264, 254, 253, 252, 251, 250, + 247, 246, 245, 238, 237, 236, 235, 234, 233, 230, + 229, 228, 227, 226, 225, 224, 223, 220, 217, 216, + 215, 212, 211, 210, 204, 203, 202, 201, 200, 199, + 198, 197, 192, 191, 190, 189, 188, 187, 186, 185, + 182, 181, 180, 179, 178, 177, 176, 175, 174, 173, + + 172, 161, 149, 125, 109, 81, 69, 63, 60, 59, + 835, 57, 57, 7, 835, 835, 835, 835, 835, 835, + 835, 835, 835, 835, 835, 835, 835, 835, 835, 835, + 835, 835, 835, 835, 835, 835, 835, 835, 835, 835, + 835, 835, 835, 835, 835, 835, 835, 835, 835, 835, + 835, 835, 835, 835, 835, 835, 835, 835, 835, 835, + 835, 835, 835, 835, 835, 835, 835, 835, 835, 835, + 835, 835, 835, 835, 835, 835, 835, 835, 835, 835, + 835, 835 + } ; + +static yyconst flex_int16_t yy_chk[1283] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 2, 9, + 791, 9, 2, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 3, 13, 15, 792, 16, 17, 17, 17, 17, 17, + 17, 17, 21, 21, 25, 15, 16, 26, 13, 19, + 35, 19, 19, 19, 19, 19, 19, 19, 23, 23, + 25, 36, 26, 26, 35, 36, 19, 19, 71, 30, + 27, 30, 27, 28, 19, 19, 27, 28, 37, 39, + 30, 758, 19, 19, 28, 143, 29, 28, 96, 96, + + 29, 33, 37, 71, 143, 39, 29, 19, 39, 33, + 19, 20, 29, 20, 20, 20, 20, 20, 20, 20, + 40, 33, 47, 31, 47, 794, 47, 46, 20, 20, + 40, 31, 48, 48, 31, 106, 20, 31, 42, 34, + 758, 42, 34, 31, 20, 20, 34, 34, 41, 106, + 42, 34, 802, 43, 34, 41, 41, 42, 43, 20, + 41, 50, 43, 50, 44, 43, 41, 41, 44, 41, + 46, 58, 105, 58, 68, 68, 135, 48, 44, 120, + 142, 142, 124, 105, 48, 70, 70, 120, 48, 124, + 68, 68, 135, 48, 53, 53, 53, 53, 53, 53, + + 53, 70, 70, 72, 144, 72, 72, 72, 72, 72, + 72, 72, 144, 148, 803, 126, 148, 804, 73, 73, + 72, 72, 73, 73, 73, 73, 73, 73, 73, 126, + 805, 116, 153, 153, 116, 116, 72, 72, 116, 152, + 116, 152, 810, 152, 154, 154, 160, 811, 160, 162, + 162, 162, 162, 162, 162, 162, 164, 164, 166, 166, + 164, 164, 164, 164, 164, 164, 164, 169, 169, 169, + 169, 169, 169, 169, 166, 166, 171, 153, 180, 184, + 184, 215, 215, 215, 153, 241, 813, 504, 153, 154, + 776, 505, 180, 153, 241, 814, 154, 504, 776, 171, + + 154, 505, 167, 167, 818, 154, 167, 167, 167, 167, + 167, 167, 167, 170, 170, 170, 170, 170, 170, 170, + 247, 247, 247, 268, 268, 268, 279, 279, 279, 170, + 256, 256, 256, 256, 256, 256, 256, 257, 257, 257, + 257, 257, 257, 257, 786, 170, 288, 288, 288, 822, + 258, 258, 786, 257, 258, 258, 258, 258, 258, 258, + 258, 260, 260, 260, 260, 260, 260, 260, 825, 257, + 261, 261, 261, 261, 261, 261, 261, 292, 292, 292, + 301, 301, 301, 338, 338, 338, 261, 350, 350, 350, + 350, 350, 350, 350, 351, 351, 351, 351, 351, 351, + + 351, 795, 261, 382, 382, 382, 393, 393, 393, 795, + 351, 394, 394, 394, 382, 382, 395, 395, 395, 443, + 443, 443, 483, 483, 483, 490, 351, 830, 605, 831, + 443, 443, 839, 483, 483, 519, 519, 519, 605, 490, + 490, 490, 490, 490, 490, 490, 519, 519, 533, 533, + 606, 621, 621, 796, 534, 534, 656, 656, 760, 606, + 606, 796, 533, 533, 533, 533, 533, 533, 534, 534, + 534, 534, 534, 534, 534, 554, 554, 554, 573, 573, + 573, 576, 576, 690, 690, 581, 533, 554, 578, 578, + 573, 775, 799, 840, 790, 576, 576, 576, 576, 576, + + 576, 576, 578, 578, 578, 578, 578, 578, 580, 580, + 806, 533, 744, 760, 759, 808, 619, 619, 806, 744, + 581, 759, 580, 580, 580, 580, 580, 580, 580, 581, + 619, 619, 619, 619, 619, 619, 787, 798, 789, 788, + 581, 620, 620, 787, 798, 809, 775, 799, 658, 658, + 828, 785, 829, 809, 619, 620, 620, 620, 620, 620, + 620, 620, 658, 658, 658, 658, 658, 658, 660, 660, + 808, 826, 815, 819, 784, 783, 782, 781, 826, 619, + 815, 819, 660, 660, 660, 660, 660, 660, 660, 820, + 823, 828, 827, 829, 832, 833, 780, 820, 823, 827, + + 779, 778, 832, 833, 836, 836, 836, 836, 836, 837, + 837, 837, 838, 838, 838, 841, 841, 842, 777, 842, + 842, 842, 843, 843, 844, 844, 774, 771, 769, 768, + 766, 763, 762, 761, 757, 756, 755, 754, 753, 752, + 751, 750, 749, 748, 747, 746, 745, 743, 742, 741, + 738, 735, 734, 733, 732, 731, 729, 728, 726, 724, + 721, 720, 719, 717, 716, 714, 713, 712, 711, 710, + 709, 708, 707, 706, 705, 704, 702, 701, 700, 699, + 698, 697, 695, 694, 693, 692, 691, 689, 688, 687, + 686, 685, 684, 683, 682, 681, 680, 679, 678, 677, + + 676, 675, 674, 673, 672, 670, 669, 668, 667, 666, + 665, 664, 663, 662, 661, 654, 652, 651, 649, 648, + 647, 646, 645, 644, 643, 642, 641, 640, 639, 638, + 637, 635, 634, 633, 632, 631, 630, 629, 627, 626, + 625, 624, 623, 622, 618, 617, 616, 615, 614, 613, + 612, 611, 610, 609, 608, 607, 601, 599, 598, 597, + 596, 592, 591, 590, 589, 588, 587, 586, 585, 584, + 575, 571, 570, 568, 567, 565, 564, 563, 562, 561, + 560, 559, 558, 557, 555, 553, 552, 551, 550, 549, + 548, 547, 546, 545, 544, 542, 541, 537, 536, 535, + + 532, 531, 529, 528, 526, 525, 524, 523, 522, 520, + 518, 517, 516, 515, 514, 513, 511, 510, 509, 508, + 507, 503, 502, 501, 500, 499, 498, 495, 494, 493, + 492, 491, 489, 488, 487, 486, 485, 484, 482, 481, + 474, 473, 470, 469, 466, 465, 464, 463, 452, 451, + 450, 448, 447, 446, 445, 444, 441, 439, 438, 437, + 435, 434, 432, 431, 430, 429, 427, 426, 421, 420, + 418, 417, 416, 415, 414, 413, 412, 411, 410, 409, + 407, 406, 405, 404, 403, 402, 401, 400, 399, 398, + 397, 396, 392, 388, 387, 386, 383, 381, 371, 369, + + 365, 364, 363, 362, 360, 358, 353, 352, 349, 348, + 347, 346, 345, 344, 339, 337, 336, 335, 334, 333, + 331, 330, 327, 326, 325, 324, 323, 322, 321, 320, + 319, 318, 317, 316, 315, 314, 313, 312, 311, 310, + 309, 308, 307, 306, 305, 302, 300, 299, 298, 297, + 296, 295, 294, 293, 291, 287, 285, 284, 283, 282, + 278, 277, 276, 275, 274, 273, 272, 271, 267, 265, + 264, 254, 253, 252, 251, 250, 249, 248, 246, 245, + 244, 243, 242, 240, 239, 238, 237, 236, 235, 234, + 233, 232, 231, 230, 229, 228, 227, 226, 225, 224, + + 223, 222, 221, 220, 219, 218, 217, 216, 214, 213, + 212, 211, 210, 209, 208, 207, 206, 205, 204, 203, + 202, 201, 200, 199, 198, 196, 195, 194, 193, 192, + 191, 190, 189, 188, 187, 186, 185, 183, 182, 181, + 179, 178, 177, 176, 174, 159, 158, 157, 156, 149, + 147, 146, 145, 141, 140, 139, 138, 137, 136, 134, + 133, 132, 131, 130, 129, 128, 127, 125, 123, 122, + 121, 119, 118, 117, 115, 114, 112, 111, 110, 109, + 108, 107, 104, 103, 102, 101, 100, 99, 98, 97, + 95, 94, 93, 92, 91, 90, 89, 88, 87, 83, + + 79, 52, 45, 38, 32, 22, 18, 14, 12, 11, + 7, 6, 5, 835, 835, 835, 835, 835, 835, 835, + 835, 835, 835, 835, 835, 835, 835, 835, 835, 835, + 835, 835, 835, 835, 835, 835, 835, 835, 835, 835, + 835, 835, 835, 835, 835, 835, 835, 835, 835, 835, + 835, 835, 835, 835, 835, 835, 835, 835, 835, 835, + 835, 835, 835, 835, 835, 835, 835, 835, 835, 835, + 835, 835, 835, 835, 835, 835, 835, 835, 835, 835, + 835, 835 + } ; + +/* The intent behind this definition is that it'll catch + * any uses of REJECT which flex missed. + */ +#define REJECT reject_used_but_not_detected +#define yymore() yymore_used_but_not_detected +#define YY_MORE_ADJ 0 +#define YY_RESTORE_YY_MORE_OFFSET +#line 1 "glsl_lexer.lpp" +#line 2 "glsl_lexer.lpp" +/* + * Copyright © 2008, 2009 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ +#include +#include "strtod.h" +#include "ast.h" +#include "glsl_parser_extras.h" +#include "glsl_parser.h" + +#define YY_USER_ACTION \ + do { \ + yylloc->source = 0; \ + yylloc->first_column = yycolumn + 1; \ + yylloc->first_line = yylineno + 1; \ + yycolumn += yyleng; \ + } while(0); + +#define YY_USER_INIT yylineno = 0; yycolumn = 0; + +#define IS_UINT (yytext[yyleng - 1] == 'u' || yytext[yyleng - 1] == 'U') + +/* A macro for handling reserved words and keywords across language versions. + * + * Certain words start out as identifiers, become reserved words in + * later language revisions, and finally become language keywords. + * + * For example, consider the following lexer rule: + * samplerBuffer KEYWORD(130, 140, SAMPLERBUFFER) + * + * This means that "samplerBuffer" will be treated as: + * - a keyword (SAMPLERBUFFER token) ...in GLSL >= 1.40 + * - a reserved word - error ...in GLSL >= 1.30 + * - an identifier ...in GLSL < 1.30 + */ +#define KEYWORD(reserved_version, allowed_version, token) \ + do { \ + if (yyextra->language_version >= allowed_version) { \ + return token; \ + } else if (yyextra->language_version >= reserved_version) { \ + _mesa_glsl_error(yylloc, yyextra, \ + "Illegal use of reserved word `%s'", yytext); \ + return ERROR_TOK; \ + } else { \ + yylval->identifier = strdup(yytext); \ + return IDENTIFIER; \ + } \ + } while (0) + +/* The ES macro can be used in KEYWORD checks: + * + * word KEYWORD(110 || ES, 400, TOKEN) + * ...means the word is reserved in GLSL ES 1.00, while + * + * word KEYWORD(110, 130 || ES, TOKEN) + * ...means the word is a legal keyword in GLSL ES 1.00. + */ +#define ES yyextra->es_shader + +#line 1071 "glsl_lexer.cpp" + +#define INITIAL 0 +#define PP 1 +#define PRAGMA 2 + +#define YY_EXTRA_TYPE struct _mesa_glsl_parse_state * + +/* Holds the entire state of the reentrant scanner. */ +struct yyguts_t + { + + /* User-defined. Not touched by flex. */ + YY_EXTRA_TYPE yyextra_r; + + /* The rest are the same as the globals declared in the non-reentrant scanner. */ + FILE *yyin_r, *yyout_r; + size_t yy_buffer_stack_top; /**< index of top of stack. */ + size_t yy_buffer_stack_max; /**< capacity of stack. */ + YY_BUFFER_STATE * yy_buffer_stack; /**< Stack as an array. */ + char yy_hold_char; + int yy_n_chars; + int yyleng_r; + char *yy_c_buf_p; + int yy_init; + int yy_start; + int yy_did_buffer_switch_on_eof; + int yy_start_stack_ptr; + int yy_start_stack_depth; + int *yy_start_stack; + yy_state_type yy_last_accepting_state; + char* yy_last_accepting_cpos; + + int yylineno_r; + int yy_flex_debug_r; + + char *yytext_r; + int yy_more_flag; + int yy_more_len; + + YYSTYPE * yylval_r; + + YYLTYPE * yylloc_r; + + }; /* end struct yyguts_t */ + +static int yy_init_globals (yyscan_t yyscanner ); + + /* This must go here because YYSTYPE and YYLTYPE are included + * from bison output in section 1.*/ + # define yylval yyg->yylval_r + + # define yylloc yyg->yylloc_r + +int _mesa_glsl_lex_init (yyscan_t* scanner); + +int _mesa_glsl_lex_init_extra (YY_EXTRA_TYPE user_defined,yyscan_t* scanner); + +/* Accessor methods to globals. + These are made visible to non-reentrant scanners for convenience. */ + +int _mesa_glsl_lex_destroy (yyscan_t yyscanner ); + +int _mesa_glsl_get_debug (yyscan_t yyscanner ); + +void _mesa_glsl_set_debug (int debug_flag ,yyscan_t yyscanner ); + +YY_EXTRA_TYPE _mesa_glsl_get_extra (yyscan_t yyscanner ); + +void _mesa_glsl_set_extra (YY_EXTRA_TYPE user_defined ,yyscan_t yyscanner ); + +FILE *_mesa_glsl_get_in (yyscan_t yyscanner ); + +void _mesa_glsl_set_in (FILE * in_str ,yyscan_t yyscanner ); + +FILE *_mesa_glsl_get_out (yyscan_t yyscanner ); + +void _mesa_glsl_set_out (FILE * out_str ,yyscan_t yyscanner ); + +int _mesa_glsl_get_leng (yyscan_t yyscanner ); + +char *_mesa_glsl_get_text (yyscan_t yyscanner ); + +int _mesa_glsl_get_lineno (yyscan_t yyscanner ); + +void _mesa_glsl_set_lineno (int line_number ,yyscan_t yyscanner ); + +int _mesa_glsl_get_column (yyscan_t yyscanner ); + +void _mesa_glsl_set_column (int column_no ,yyscan_t yyscanner ); + +YYSTYPE * _mesa_glsl_get_lval (yyscan_t yyscanner ); + +void _mesa_glsl_set_lval (YYSTYPE * yylval_param ,yyscan_t yyscanner ); + + YYLTYPE *_mesa_glsl_get_lloc (yyscan_t yyscanner ); + + void _mesa_glsl_set_lloc (YYLTYPE * yylloc_param ,yyscan_t yyscanner ); + +/* Macros after this point can all be overridden by user definitions in + * section 1. + */ + +#ifndef YY_SKIP_YYWRAP +#ifdef __cplusplus +extern "C" int _mesa_glsl_wrap (yyscan_t yyscanner ); +#else +extern int _mesa_glsl_wrap (yyscan_t yyscanner ); +#endif +#endif + +#ifndef yytext_ptr +static void yy_flex_strncpy (char *,yyconst char *,int ,yyscan_t yyscanner); +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen (yyconst char * ,yyscan_t yyscanner); +#endif + +#ifndef YY_NO_INPUT + +#ifdef __cplusplus +static int yyinput (yyscan_t yyscanner ); +#else +static int input (yyscan_t yyscanner ); +#endif + +#endif + +/* Amount of stuff to slurp up with each read. */ +#ifndef YY_READ_BUF_SIZE +#define YY_READ_BUF_SIZE 8192 +#endif + +/* Copy whatever the last rule matched to the standard output. */ +#ifndef ECHO +/* This used to be an fputs(), but since the string might contain NUL's, + * we now use fwrite(). + */ +#define ECHO do { if (fwrite( yytext, yyleng, 1, yyout )) {} } while (0) +#endif + +/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, + * is returned in "result". + */ +#ifndef YY_INPUT +#define YY_INPUT(buf,result,max_size) \ + if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \ + { \ + int c = '*'; \ + unsigned n; \ + for ( n = 0; n < max_size && \ + (c = getc( yyin )) != EOF && c != '\n'; ++n ) \ + buf[n] = (char) c; \ + if ( c == '\n' ) \ + buf[n++] = (char) c; \ + if ( c == EOF && ferror( yyin ) ) \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + result = n; \ + } \ + else \ + { \ + errno=0; \ + while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \ + { \ + if( errno != EINTR) \ + { \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + break; \ + } \ + errno=0; \ + clearerr(yyin); \ + } \ + }\ +\ + +#endif + +/* No semi-colon after return; correct usage is to write "yyterminate();" - + * we don't want an extra ';' after the "return" because that will cause + * some compilers to complain about unreachable statements. + */ +#ifndef yyterminate +#define yyterminate() return YY_NULL +#endif + +/* Number of entries by which start-condition stack grows. */ +#ifndef YY_START_STACK_INCR +#define YY_START_STACK_INCR 25 +#endif + +/* Report a fatal error. */ +#ifndef YY_FATAL_ERROR +#define YY_FATAL_ERROR(msg) yy_fatal_error( msg , yyscanner) +#endif + +/* end tables serialization structures and prototypes */ + +/* Default declaration of generated scanner - a define so the user can + * easily add parameters. + */ +#ifndef YY_DECL +#define YY_DECL_IS_OURS 1 + +extern int _mesa_glsl_lex \ + (YYSTYPE * yylval_param,YYLTYPE * yylloc_param ,yyscan_t yyscanner); + +#define YY_DECL int _mesa_glsl_lex \ + (YYSTYPE * yylval_param, YYLTYPE * yylloc_param , yyscan_t yyscanner) +#endif /* !YY_DECL */ + +/* Code executed at the beginning of each rule, after yytext and yyleng + * have been set up. + */ +#ifndef YY_USER_ACTION +#define YY_USER_ACTION +#endif + +/* Code executed at the end of each rule. */ +#ifndef YY_BREAK +#define YY_BREAK break; +#endif + +#define YY_RULE_SETUP \ + if ( yyleng > 0 ) \ + YY_CURRENT_BUFFER_LVALUE->yy_at_bol = \ + (yytext[yyleng - 1] == '\n'); \ + YY_USER_ACTION + +/** The main scanner function which does all the work. + */ +YY_DECL +{ + register yy_state_type yy_current_state; + register char *yy_cp, *yy_bp; + register int yy_act; + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + +#line 95 "glsl_lexer.lpp" + + +#line 1312 "glsl_lexer.cpp" + + yylval = yylval_param; + + yylloc = yylloc_param; + + if ( !yyg->yy_init ) + { + yyg->yy_init = 1; + +#ifdef YY_USER_INIT + YY_USER_INIT; +#endif + + if ( ! yyg->yy_start ) + yyg->yy_start = 1; /* first start state */ + + if ( ! yyin ) + yyin = stdin; + + if ( ! yyout ) + yyout = stdout; + + if ( ! YY_CURRENT_BUFFER ) { + _mesa_glsl_ensure_buffer_stack (yyscanner); + YY_CURRENT_BUFFER_LVALUE = + _mesa_glsl__create_buffer(yyin,YY_BUF_SIZE ,yyscanner); + } + + _mesa_glsl__load_buffer_state(yyscanner ); + } + + while ( 1 ) /* loops until end-of-file is reached */ + { + yy_cp = yyg->yy_c_buf_p; + + /* Support of yytext. */ + *yy_cp = yyg->yy_hold_char; + + /* yy_bp points to the position in yy_ch_buf of the start of + * the current run. + */ + yy_bp = yy_cp; + + yy_current_state = yyg->yy_start; + yy_current_state += YY_AT_BOL(); +yy_match: + do + { + register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)]; + if ( yy_accept[yy_current_state] ) + { + yyg->yy_last_accepting_state = yy_current_state; + yyg->yy_last_accepting_cpos = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 836 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + ++yy_cp; + } + while ( yy_current_state != 835 ); + yy_cp = yyg->yy_last_accepting_cpos; + yy_current_state = yyg->yy_last_accepting_state; + +yy_find_action: + yy_act = yy_accept[yy_current_state]; + + YY_DO_BEFORE_ACTION; + +do_action: /* This label is used only to access EOF actions. */ + + switch ( yy_act ) + { /* beginning of action switch */ + case 0: /* must back up */ + /* undo the effects of YY_DO_BEFORE_ACTION */ + *yy_cp = yyg->yy_hold_char; + yy_cp = yyg->yy_last_accepting_cpos; + yy_current_state = yyg->yy_last_accepting_state; + goto yy_find_action; + +case 1: +YY_RULE_SETUP +#line 97 "glsl_lexer.lpp" +; + YY_BREAK +/* Preprocessor tokens. */ +case 2: +*yy_cp = yyg->yy_hold_char; /* undo effects of setting up yytext */ +yyg->yy_c_buf_p = yy_cp -= 1; +YY_DO_BEFORE_ACTION; /* set up yytext again */ +YY_RULE_SETUP +#line 100 "glsl_lexer.lpp" +; + YY_BREAK +case 3: +YY_RULE_SETUP +#line 101 "glsl_lexer.lpp" +{ BEGIN PP; return VERSION; } + YY_BREAK +case 4: +YY_RULE_SETUP +#line 102 "glsl_lexer.lpp" +{ BEGIN PP; return EXTENSION; } + YY_BREAK +case 5: +*yy_cp = yyg->yy_hold_char; /* undo effects of setting up yytext */ +yyg->yy_c_buf_p = yy_cp -= 1; +YY_DO_BEFORE_ACTION; /* set up yytext again */ +YY_RULE_SETUP +#line 103 "glsl_lexer.lpp" +{ + /* Eat characters until the first digit is + * encountered + */ + char *ptr = yytext; + while (!isdigit(*ptr)) + ptr++; + + /* Subtract one from the line number because + * yylineno is zero-based instead of + * one-based. + */ + yylineno = strtol(ptr, &ptr, 0) - 1; + yylloc->source = strtol(ptr, NULL, 0); + } + YY_BREAK +case 6: +*yy_cp = yyg->yy_hold_char; /* undo effects of setting up yytext */ +yyg->yy_c_buf_p = yy_cp -= 1; +YY_DO_BEFORE_ACTION; /* set up yytext again */ +YY_RULE_SETUP +#line 118 "glsl_lexer.lpp" +{ + /* Eat characters until the first digit is + * encountered + */ + char *ptr = yytext; + while (!isdigit(*ptr)) + ptr++; + + /* Subtract one from the line number because + * yylineno is zero-based instead of + * one-based. + */ + yylineno = strtol(ptr, &ptr, 0) - 1; + } + YY_BREAK +case 7: +YY_RULE_SETUP +#line 132 "glsl_lexer.lpp" +{ + BEGIN PP; + return PRAGMA_DEBUG_ON; + } + YY_BREAK +case 8: +YY_RULE_SETUP +#line 136 "glsl_lexer.lpp" +{ + BEGIN PP; + return PRAGMA_DEBUG_OFF; + } + YY_BREAK +case 9: +YY_RULE_SETUP +#line 140 "glsl_lexer.lpp" +{ + BEGIN PP; + return PRAGMA_OPTIMIZE_ON; + } + YY_BREAK +case 10: +YY_RULE_SETUP +#line 144 "glsl_lexer.lpp" +{ + BEGIN PP; + return PRAGMA_OPTIMIZE_OFF; + } + YY_BREAK +case 11: +YY_RULE_SETUP +#line 148 "glsl_lexer.lpp" +{ + BEGIN PP; + return PRAGMA_INVARIANT_ALL; + } + YY_BREAK +case 12: +YY_RULE_SETUP +#line 152 "glsl_lexer.lpp" +{ BEGIN PRAGMA; } + YY_BREAK +case 13: +/* rule 13 can match eol */ +YY_RULE_SETUP +#line 154 "glsl_lexer.lpp" +{ BEGIN 0; yylineno++; yycolumn = 0; } + YY_BREAK +case 14: +YY_RULE_SETUP +#line 155 "glsl_lexer.lpp" +{ } + YY_BREAK +case 15: +YY_RULE_SETUP +#line 157 "glsl_lexer.lpp" +{ } + YY_BREAK +case 16: +YY_RULE_SETUP +#line 158 "glsl_lexer.lpp" +{ } + YY_BREAK +case 17: +YY_RULE_SETUP +#line 159 "glsl_lexer.lpp" +return COLON; + YY_BREAK +case 18: +YY_RULE_SETUP +#line 160 "glsl_lexer.lpp" +{ + yylval->identifier = strdup(yytext); + return IDENTIFIER; + } + YY_BREAK +case 19: +YY_RULE_SETUP +#line 164 "glsl_lexer.lpp" +{ + yylval->n = strtol(yytext, NULL, 10); + return INTCONSTANT; + } + YY_BREAK +case 20: +/* rule 20 can match eol */ +YY_RULE_SETUP +#line 168 "glsl_lexer.lpp" +{ BEGIN 0; yylineno++; yycolumn = 0; return EOL; } + YY_BREAK +case 21: +/* rule 21 can match eol */ +YY_RULE_SETUP +#line 170 "glsl_lexer.lpp" +{ yylineno++; yycolumn = 0; } + YY_BREAK +case 22: +YY_RULE_SETUP +#line 172 "glsl_lexer.lpp" +return ATTRIBUTE; + YY_BREAK +case 23: +YY_RULE_SETUP +#line 173 "glsl_lexer.lpp" +return CONST_TOK; + YY_BREAK +case 24: +YY_RULE_SETUP +#line 174 "glsl_lexer.lpp" +return BOOL_TOK; + YY_BREAK +case 25: +YY_RULE_SETUP +#line 175 "glsl_lexer.lpp" +return FLOAT_TOK; + YY_BREAK +case 26: +YY_RULE_SETUP +#line 176 "glsl_lexer.lpp" +return INT_TOK; + YY_BREAK +case 27: +YY_RULE_SETUP +#line 177 "glsl_lexer.lpp" +KEYWORD(130, 130, UINT_TOK); + YY_BREAK +case 28: +YY_RULE_SETUP +#line 179 "glsl_lexer.lpp" +return BREAK; + YY_BREAK +case 29: +YY_RULE_SETUP +#line 180 "glsl_lexer.lpp" +return CONTINUE; + YY_BREAK +case 30: +YY_RULE_SETUP +#line 181 "glsl_lexer.lpp" +return DO; + YY_BREAK +case 31: +YY_RULE_SETUP +#line 182 "glsl_lexer.lpp" +return WHILE; + YY_BREAK +case 32: +YY_RULE_SETUP +#line 183 "glsl_lexer.lpp" +return ELSE; + YY_BREAK +case 33: +YY_RULE_SETUP +#line 184 "glsl_lexer.lpp" +return FOR; + YY_BREAK +case 34: +YY_RULE_SETUP +#line 185 "glsl_lexer.lpp" +return IF; + YY_BREAK +case 35: +YY_RULE_SETUP +#line 186 "glsl_lexer.lpp" +return DISCARD; + YY_BREAK +case 36: +YY_RULE_SETUP +#line 187 "glsl_lexer.lpp" +return RETURN; + YY_BREAK +case 37: +YY_RULE_SETUP +#line 189 "glsl_lexer.lpp" +return BVEC2; + YY_BREAK +case 38: +YY_RULE_SETUP +#line 190 "glsl_lexer.lpp" +return BVEC3; + YY_BREAK +case 39: +YY_RULE_SETUP +#line 191 "glsl_lexer.lpp" +return BVEC4; + YY_BREAK +case 40: +YY_RULE_SETUP +#line 192 "glsl_lexer.lpp" +return IVEC2; + YY_BREAK +case 41: +YY_RULE_SETUP +#line 193 "glsl_lexer.lpp" +return IVEC3; + YY_BREAK +case 42: +YY_RULE_SETUP +#line 194 "glsl_lexer.lpp" +return IVEC4; + YY_BREAK +case 43: +YY_RULE_SETUP +#line 195 "glsl_lexer.lpp" +KEYWORD(130, 130, UVEC2); + YY_BREAK +case 44: +YY_RULE_SETUP +#line 196 "glsl_lexer.lpp" +KEYWORD(130, 130, UVEC3); + YY_BREAK +case 45: +YY_RULE_SETUP +#line 197 "glsl_lexer.lpp" +KEYWORD(130, 130, UVEC4); + YY_BREAK +case 46: +YY_RULE_SETUP +#line 198 "glsl_lexer.lpp" +return VEC2; + YY_BREAK +case 47: +YY_RULE_SETUP +#line 199 "glsl_lexer.lpp" +return VEC3; + YY_BREAK +case 48: +YY_RULE_SETUP +#line 200 "glsl_lexer.lpp" +return VEC4; + YY_BREAK +case 49: +YY_RULE_SETUP +#line 201 "glsl_lexer.lpp" +return MAT2X2; + YY_BREAK +case 50: +YY_RULE_SETUP +#line 202 "glsl_lexer.lpp" +return MAT3X3; + YY_BREAK +case 51: +YY_RULE_SETUP +#line 203 "glsl_lexer.lpp" +return MAT4X4; + YY_BREAK +case 52: +YY_RULE_SETUP +#line 204 "glsl_lexer.lpp" +KEYWORD(120, 120, MAT2X2); + YY_BREAK +case 53: +YY_RULE_SETUP +#line 205 "glsl_lexer.lpp" +KEYWORD(120, 120, MAT2X3); + YY_BREAK +case 54: +YY_RULE_SETUP +#line 206 "glsl_lexer.lpp" +KEYWORD(120, 120, MAT2X4); + YY_BREAK +case 55: +YY_RULE_SETUP +#line 207 "glsl_lexer.lpp" +KEYWORD(120, 120, MAT3X2); + YY_BREAK +case 56: +YY_RULE_SETUP +#line 208 "glsl_lexer.lpp" +KEYWORD(120, 120, MAT3X3); + YY_BREAK +case 57: +YY_RULE_SETUP +#line 209 "glsl_lexer.lpp" +KEYWORD(120, 120, MAT3X4); + YY_BREAK +case 58: +YY_RULE_SETUP +#line 210 "glsl_lexer.lpp" +KEYWORD(120, 120, MAT4X2); + YY_BREAK +case 59: +YY_RULE_SETUP +#line 211 "glsl_lexer.lpp" +KEYWORD(120, 120, MAT4X3); + YY_BREAK +case 60: +YY_RULE_SETUP +#line 212 "glsl_lexer.lpp" +KEYWORD(120, 120, MAT4X4); + YY_BREAK +case 61: +YY_RULE_SETUP +#line 214 "glsl_lexer.lpp" +return IN_TOK; + YY_BREAK +case 62: +YY_RULE_SETUP +#line 215 "glsl_lexer.lpp" +return OUT_TOK; + YY_BREAK +case 63: +YY_RULE_SETUP +#line 216 "glsl_lexer.lpp" +return INOUT_TOK; + YY_BREAK +case 64: +YY_RULE_SETUP +#line 217 "glsl_lexer.lpp" +return UNIFORM; + YY_BREAK +case 65: +YY_RULE_SETUP +#line 218 "glsl_lexer.lpp" +return VARYING; + YY_BREAK +case 66: +YY_RULE_SETUP +#line 219 "glsl_lexer.lpp" +KEYWORD(120, 120, CENTROID); + YY_BREAK +case 67: +YY_RULE_SETUP +#line 220 "glsl_lexer.lpp" +KEYWORD(120 || ES, 120 || ES, INVARIANT); + YY_BREAK +case 68: +YY_RULE_SETUP +#line 221 "glsl_lexer.lpp" +KEYWORD(130 || ES, 130, FLAT); + YY_BREAK +case 69: +YY_RULE_SETUP +#line 222 "glsl_lexer.lpp" +KEYWORD(130, 130, SMOOTH); + YY_BREAK +case 70: +YY_RULE_SETUP +#line 223 "glsl_lexer.lpp" +KEYWORD(130, 130, NOPERSPECTIVE); + YY_BREAK +case 71: +YY_RULE_SETUP +#line 225 "glsl_lexer.lpp" +return SAMPLER1D; + YY_BREAK +case 72: +YY_RULE_SETUP +#line 226 "glsl_lexer.lpp" +return SAMPLER2D; + YY_BREAK +case 73: +YY_RULE_SETUP +#line 227 "glsl_lexer.lpp" +return SAMPLER3D; + YY_BREAK +case 74: +YY_RULE_SETUP +#line 228 "glsl_lexer.lpp" +return SAMPLERCUBE; + YY_BREAK +case 75: +YY_RULE_SETUP +#line 229 "glsl_lexer.lpp" +KEYWORD(130, 130, SAMPLER1DARRAY); + YY_BREAK +case 76: +YY_RULE_SETUP +#line 230 "glsl_lexer.lpp" +KEYWORD(130, 130, SAMPLER2DARRAY); + YY_BREAK +case 77: +YY_RULE_SETUP +#line 231 "glsl_lexer.lpp" +return SAMPLER1DSHADOW; + YY_BREAK +case 78: +YY_RULE_SETUP +#line 232 "glsl_lexer.lpp" +return SAMPLER2DSHADOW; + YY_BREAK +case 79: +YY_RULE_SETUP +#line 233 "glsl_lexer.lpp" +KEYWORD(130, 130, SAMPLERCUBESHADOW); + YY_BREAK +case 80: +YY_RULE_SETUP +#line 234 "glsl_lexer.lpp" +KEYWORD(130, 130, SAMPLER1DARRAYSHADOW); + YY_BREAK +case 81: +YY_RULE_SETUP +#line 235 "glsl_lexer.lpp" +KEYWORD(130, 130, SAMPLER2DARRAYSHADOW); + YY_BREAK +case 82: +YY_RULE_SETUP +#line 236 "glsl_lexer.lpp" +KEYWORD(130, 130, ISAMPLER1D); + YY_BREAK +case 83: +YY_RULE_SETUP +#line 237 "glsl_lexer.lpp" +KEYWORD(130, 130, ISAMPLER2D); + YY_BREAK +case 84: +YY_RULE_SETUP +#line 238 "glsl_lexer.lpp" +KEYWORD(130, 130, ISAMPLER3D); + YY_BREAK +case 85: +YY_RULE_SETUP +#line 239 "glsl_lexer.lpp" +KEYWORD(130, 130, ISAMPLERCUBE); + YY_BREAK +case 86: +YY_RULE_SETUP +#line 240 "glsl_lexer.lpp" +KEYWORD(130, 130, ISAMPLER1DARRAY); + YY_BREAK +case 87: +YY_RULE_SETUP +#line 241 "glsl_lexer.lpp" +KEYWORD(130, 130, ISAMPLER2DARRAY); + YY_BREAK +case 88: +YY_RULE_SETUP +#line 242 "glsl_lexer.lpp" +KEYWORD(130, 130, USAMPLER1D); + YY_BREAK +case 89: +YY_RULE_SETUP +#line 243 "glsl_lexer.lpp" +KEYWORD(130, 130, USAMPLER2D); + YY_BREAK +case 90: +YY_RULE_SETUP +#line 244 "glsl_lexer.lpp" +KEYWORD(130, 130, USAMPLER3D); + YY_BREAK +case 91: +YY_RULE_SETUP +#line 245 "glsl_lexer.lpp" +KEYWORD(130, 130, USAMPLERCUBE); + YY_BREAK +case 92: +YY_RULE_SETUP +#line 246 "glsl_lexer.lpp" +KEYWORD(130, 130, USAMPLER1DARRAY); + YY_BREAK +case 93: +YY_RULE_SETUP +#line 247 "glsl_lexer.lpp" +KEYWORD(130, 130, USAMPLER2DARRAY); + YY_BREAK +case 94: +YY_RULE_SETUP +#line 250 "glsl_lexer.lpp" +return STRUCT; + YY_BREAK +case 95: +YY_RULE_SETUP +#line 251 "glsl_lexer.lpp" +return VOID_TOK; + YY_BREAK +case 96: +YY_RULE_SETUP +#line 253 "glsl_lexer.lpp" +{ + if ((yyextra->language_version >= 140) + || yyextra->AMD_conservative_depth_enable + || yyextra->ARB_explicit_attrib_location_enable + || yyextra->ARB_fragment_coord_conventions_enable) { + return LAYOUT_TOK; + } else { + yylval->identifier = strdup(yytext); + return IDENTIFIER; + } + } + YY_BREAK +case 97: +YY_RULE_SETUP +#line 265 "glsl_lexer.lpp" +return INC_OP; + YY_BREAK +case 98: +YY_RULE_SETUP +#line 266 "glsl_lexer.lpp" +return DEC_OP; + YY_BREAK +case 99: +YY_RULE_SETUP +#line 267 "glsl_lexer.lpp" +return LE_OP; + YY_BREAK +case 100: +YY_RULE_SETUP +#line 268 "glsl_lexer.lpp" +return GE_OP; + YY_BREAK +case 101: +YY_RULE_SETUP +#line 269 "glsl_lexer.lpp" +return EQ_OP; + YY_BREAK +case 102: +YY_RULE_SETUP +#line 270 "glsl_lexer.lpp" +return NE_OP; + YY_BREAK +case 103: +YY_RULE_SETUP +#line 271 "glsl_lexer.lpp" +return AND_OP; + YY_BREAK +case 104: +YY_RULE_SETUP +#line 272 "glsl_lexer.lpp" +return OR_OP; + YY_BREAK +case 105: +YY_RULE_SETUP +#line 273 "glsl_lexer.lpp" +return XOR_OP; + YY_BREAK +case 106: +YY_RULE_SETUP +#line 274 "glsl_lexer.lpp" +return LEFT_OP; + YY_BREAK +case 107: +YY_RULE_SETUP +#line 275 "glsl_lexer.lpp" +return RIGHT_OP; + YY_BREAK +case 108: +YY_RULE_SETUP +#line 277 "glsl_lexer.lpp" +return MUL_ASSIGN; + YY_BREAK +case 109: +YY_RULE_SETUP +#line 278 "glsl_lexer.lpp" +return DIV_ASSIGN; + YY_BREAK +case 110: +YY_RULE_SETUP +#line 279 "glsl_lexer.lpp" +return ADD_ASSIGN; + YY_BREAK +case 111: +YY_RULE_SETUP +#line 280 "glsl_lexer.lpp" +return MOD_ASSIGN; + YY_BREAK +case 112: +YY_RULE_SETUP +#line 281 "glsl_lexer.lpp" +return LEFT_ASSIGN; + YY_BREAK +case 113: +YY_RULE_SETUP +#line 282 "glsl_lexer.lpp" +return RIGHT_ASSIGN; + YY_BREAK +case 114: +YY_RULE_SETUP +#line 283 "glsl_lexer.lpp" +return AND_ASSIGN; + YY_BREAK +case 115: +YY_RULE_SETUP +#line 284 "glsl_lexer.lpp" +return XOR_ASSIGN; + YY_BREAK +case 116: +YY_RULE_SETUP +#line 285 "glsl_lexer.lpp" +return OR_ASSIGN; + YY_BREAK +case 117: +YY_RULE_SETUP +#line 286 "glsl_lexer.lpp" +return SUB_ASSIGN; + YY_BREAK +case 118: +YY_RULE_SETUP +#line 288 "glsl_lexer.lpp" +{ + yylval->n = strtol(yytext, NULL, 10); + return IS_UINT ? UINTCONSTANT : INTCONSTANT; + } + YY_BREAK +case 119: +YY_RULE_SETUP +#line 292 "glsl_lexer.lpp" +{ + yylval->n = strtol(yytext + 2, NULL, 16); + return IS_UINT ? UINTCONSTANT : INTCONSTANT; + } + YY_BREAK +case 120: +YY_RULE_SETUP +#line 296 "glsl_lexer.lpp" +{ + yylval->n = strtol(yytext, NULL, 8); + return IS_UINT ? UINTCONSTANT : INTCONSTANT; + } + YY_BREAK +case 121: +YY_RULE_SETUP +#line 301 "glsl_lexer.lpp" +{ + yylval->real = glsl_strtod(yytext, NULL); + return FLOATCONSTANT; + } + YY_BREAK +case 122: +YY_RULE_SETUP +#line 305 "glsl_lexer.lpp" +{ + yylval->real = glsl_strtod(yytext, NULL); + return FLOATCONSTANT; + } + YY_BREAK +case 123: +YY_RULE_SETUP +#line 309 "glsl_lexer.lpp" +{ + yylval->real = glsl_strtod(yytext, NULL); + return FLOATCONSTANT; + } + YY_BREAK +case 124: +YY_RULE_SETUP +#line 313 "glsl_lexer.lpp" +{ + yylval->real = glsl_strtod(yytext, NULL); + return FLOATCONSTANT; + } + YY_BREAK +case 125: +YY_RULE_SETUP +#line 317 "glsl_lexer.lpp" +{ + yylval->real = glsl_strtod(yytext, NULL); + return FLOATCONSTANT; + } + YY_BREAK +case 126: +YY_RULE_SETUP +#line 322 "glsl_lexer.lpp" +{ + yylval->n = 1; + return BOOLCONSTANT; + } + YY_BREAK +case 127: +YY_RULE_SETUP +#line 326 "glsl_lexer.lpp" +{ + yylval->n = 0; + return BOOLCONSTANT; + } + YY_BREAK +/* Reserved words in GLSL 1.10. */ +case 128: +YY_RULE_SETUP +#line 333 "glsl_lexer.lpp" +KEYWORD(110 || ES, 999, ASM); + YY_BREAK +case 129: +YY_RULE_SETUP +#line 334 "glsl_lexer.lpp" +KEYWORD(110 || ES, 999, CLASS); + YY_BREAK +case 130: +YY_RULE_SETUP +#line 335 "glsl_lexer.lpp" +KEYWORD(110 || ES, 999, UNION); + YY_BREAK +case 131: +YY_RULE_SETUP +#line 336 "glsl_lexer.lpp" +KEYWORD(110 || ES, 999, ENUM); + YY_BREAK +case 132: +YY_RULE_SETUP +#line 337 "glsl_lexer.lpp" +KEYWORD(110 || ES, 999, TYPEDEF); + YY_BREAK +case 133: +YY_RULE_SETUP +#line 338 "glsl_lexer.lpp" +KEYWORD(110 || ES, 999, TEMPLATE); + YY_BREAK +case 134: +YY_RULE_SETUP +#line 339 "glsl_lexer.lpp" +KEYWORD(110 || ES, 999, THIS); + YY_BREAK +case 135: +YY_RULE_SETUP +#line 340 "glsl_lexer.lpp" +KEYWORD(110 || ES, 999, PACKED_TOK); + YY_BREAK +case 136: +YY_RULE_SETUP +#line 341 "glsl_lexer.lpp" +KEYWORD(110 || ES, 999, GOTO); + YY_BREAK +case 137: +YY_RULE_SETUP +#line 342 "glsl_lexer.lpp" +KEYWORD(110 || ES, 130, SWITCH); + YY_BREAK +case 138: +YY_RULE_SETUP +#line 343 "glsl_lexer.lpp" +KEYWORD(110 || ES, 130, DEFAULT); + YY_BREAK +case 139: +YY_RULE_SETUP +#line 344 "glsl_lexer.lpp" +KEYWORD(110 || ES, 999, INLINE_TOK); + YY_BREAK +case 140: +YY_RULE_SETUP +#line 345 "glsl_lexer.lpp" +KEYWORD(110 || ES, 999, NOINLINE); + YY_BREAK +case 141: +YY_RULE_SETUP +#line 346 "glsl_lexer.lpp" +KEYWORD(110 || ES, 999, VOLATILE); + YY_BREAK +case 142: +YY_RULE_SETUP +#line 347 "glsl_lexer.lpp" +KEYWORD(110 || ES, 999, PUBLIC_TOK); + YY_BREAK +case 143: +YY_RULE_SETUP +#line 348 "glsl_lexer.lpp" +KEYWORD(110 || ES, 999, STATIC); + YY_BREAK +case 144: +YY_RULE_SETUP +#line 349 "glsl_lexer.lpp" +KEYWORD(110 || ES, 999, EXTERN); + YY_BREAK +case 145: +YY_RULE_SETUP +#line 350 "glsl_lexer.lpp" +KEYWORD(110 || ES, 999, EXTERNAL); + YY_BREAK +case 146: +YY_RULE_SETUP +#line 351 "glsl_lexer.lpp" +KEYWORD(110 || ES, 999, INTERFACE); + YY_BREAK +case 147: +YY_RULE_SETUP +#line 352 "glsl_lexer.lpp" +KEYWORD(110 || ES, 999, LONG_TOK); + YY_BREAK +case 148: +YY_RULE_SETUP +#line 353 "glsl_lexer.lpp" +KEYWORD(110 || ES, 999, SHORT_TOK); + YY_BREAK +case 149: +YY_RULE_SETUP +#line 354 "glsl_lexer.lpp" +KEYWORD(110 || ES, 400, DOUBLE_TOK); + YY_BREAK +case 150: +YY_RULE_SETUP +#line 355 "glsl_lexer.lpp" +KEYWORD(110 || ES, 999, HALF); + YY_BREAK +case 151: +YY_RULE_SETUP +#line 356 "glsl_lexer.lpp" +KEYWORD(110 || ES, 999, FIXED_TOK); + YY_BREAK +case 152: +YY_RULE_SETUP +#line 357 "glsl_lexer.lpp" +KEYWORD(110 || ES, 999, UNSIGNED); + YY_BREAK +case 153: +YY_RULE_SETUP +#line 358 "glsl_lexer.lpp" +KEYWORD(110 || ES, 999, INPUT_TOK); + YY_BREAK +case 154: +YY_RULE_SETUP +#line 359 "glsl_lexer.lpp" +KEYWORD(110 || ES, 999, OUTPUT); + YY_BREAK +case 155: +YY_RULE_SETUP +#line 360 "glsl_lexer.lpp" +KEYWORD(110 || ES, 999, HVEC2); + YY_BREAK +case 156: +YY_RULE_SETUP +#line 361 "glsl_lexer.lpp" +KEYWORD(110 || ES, 999, HVEC3); + YY_BREAK +case 157: +YY_RULE_SETUP +#line 362 "glsl_lexer.lpp" +KEYWORD(110 || ES, 999, HVEC4); + YY_BREAK +case 158: +YY_RULE_SETUP +#line 363 "glsl_lexer.lpp" +KEYWORD(110 || ES, 400, DVEC2); + YY_BREAK +case 159: +YY_RULE_SETUP +#line 364 "glsl_lexer.lpp" +KEYWORD(110 || ES, 400, DVEC3); + YY_BREAK +case 160: +YY_RULE_SETUP +#line 365 "glsl_lexer.lpp" +KEYWORD(110 || ES, 400, DVEC4); + YY_BREAK +case 161: +YY_RULE_SETUP +#line 366 "glsl_lexer.lpp" +KEYWORD(110 || ES, 999, FVEC2); + YY_BREAK +case 162: +YY_RULE_SETUP +#line 367 "glsl_lexer.lpp" +KEYWORD(110 || ES, 999, FVEC3); + YY_BREAK +case 163: +YY_RULE_SETUP +#line 368 "glsl_lexer.lpp" +KEYWORD(110 || ES, 999, FVEC4); + YY_BREAK +case 164: +YY_RULE_SETUP +#line 369 "glsl_lexer.lpp" +return SAMPLER2DRECT; + YY_BREAK +case 165: +YY_RULE_SETUP +#line 370 "glsl_lexer.lpp" +KEYWORD(110 || ES, 999, SAMPLER3DRECT); + YY_BREAK +case 166: +YY_RULE_SETUP +#line 371 "glsl_lexer.lpp" +return SAMPLER2DRECTSHADOW; + YY_BREAK +case 167: +YY_RULE_SETUP +#line 372 "glsl_lexer.lpp" +KEYWORD(110 || ES, 999, SIZEOF); + YY_BREAK +case 168: +YY_RULE_SETUP +#line 373 "glsl_lexer.lpp" +KEYWORD(110 || ES, 999, CAST); + YY_BREAK +case 169: +YY_RULE_SETUP +#line 374 "glsl_lexer.lpp" +KEYWORD(110 || ES, 999, NAMESPACE); + YY_BREAK +case 170: +YY_RULE_SETUP +#line 375 "glsl_lexer.lpp" +KEYWORD(110 || ES, 999, USING); + YY_BREAK +/* Additional reserved words in GLSL 1.20. */ +case 171: +YY_RULE_SETUP +#line 378 "glsl_lexer.lpp" +KEYWORD(120, 130 || ES, LOWP); + YY_BREAK +case 172: +YY_RULE_SETUP +#line 379 "glsl_lexer.lpp" +KEYWORD(120, 130 || ES, MEDIUMP); + YY_BREAK +case 173: +YY_RULE_SETUP +#line 380 "glsl_lexer.lpp" +KEYWORD(120, 130 || ES, HIGHP); + YY_BREAK +case 174: +YY_RULE_SETUP +#line 381 "glsl_lexer.lpp" +KEYWORD(120, 130 || ES, PRECISION); + YY_BREAK +/* Additional reserved words in GLSL 1.30. */ +case 175: +YY_RULE_SETUP +#line 384 "glsl_lexer.lpp" +KEYWORD(130, 130, CASE); + YY_BREAK +case 176: +YY_RULE_SETUP +#line 385 "glsl_lexer.lpp" +KEYWORD(130, 999, COMMON); + YY_BREAK +case 177: +YY_RULE_SETUP +#line 386 "glsl_lexer.lpp" +KEYWORD(130, 999, PARTITION); + YY_BREAK +case 178: +YY_RULE_SETUP +#line 387 "glsl_lexer.lpp" +KEYWORD(130, 999, ACTIVE); + YY_BREAK +case 179: +YY_RULE_SETUP +#line 388 "glsl_lexer.lpp" +KEYWORD(130 || ES, 999, SUPERP); + YY_BREAK +case 180: +YY_RULE_SETUP +#line 389 "glsl_lexer.lpp" +KEYWORD(130, 140, SAMPLERBUFFER); + YY_BREAK +case 181: +YY_RULE_SETUP +#line 390 "glsl_lexer.lpp" +KEYWORD(130, 999, FILTER); + YY_BREAK +case 182: +YY_RULE_SETUP +#line 391 "glsl_lexer.lpp" +KEYWORD(130, 999, IMAGE1D); + YY_BREAK +case 183: +YY_RULE_SETUP +#line 392 "glsl_lexer.lpp" +KEYWORD(130, 999, IMAGE2D); + YY_BREAK +case 184: +YY_RULE_SETUP +#line 393 "glsl_lexer.lpp" +KEYWORD(130, 999, IMAGE3D); + YY_BREAK +case 185: +YY_RULE_SETUP +#line 394 "glsl_lexer.lpp" +KEYWORD(130, 999, IMAGECUBE); + YY_BREAK +case 186: +YY_RULE_SETUP +#line 395 "glsl_lexer.lpp" +KEYWORD(130, 999, IIMAGE1D); + YY_BREAK +case 187: +YY_RULE_SETUP +#line 396 "glsl_lexer.lpp" +KEYWORD(130, 999, IIMAGE2D); + YY_BREAK +case 188: +YY_RULE_SETUP +#line 397 "glsl_lexer.lpp" +KEYWORD(130, 999, IIMAGE3D); + YY_BREAK +case 189: +YY_RULE_SETUP +#line 398 "glsl_lexer.lpp" +KEYWORD(130, 999, IIMAGECUBE); + YY_BREAK +case 190: +YY_RULE_SETUP +#line 399 "glsl_lexer.lpp" +KEYWORD(130, 999, UIMAGE1D); + YY_BREAK +case 191: +YY_RULE_SETUP +#line 400 "glsl_lexer.lpp" +KEYWORD(130, 999, UIMAGE2D); + YY_BREAK +case 192: +YY_RULE_SETUP +#line 401 "glsl_lexer.lpp" +KEYWORD(130, 999, UIMAGE3D); + YY_BREAK +case 193: +YY_RULE_SETUP +#line 402 "glsl_lexer.lpp" +KEYWORD(130, 999, UIMAGECUBE); + YY_BREAK +case 194: +YY_RULE_SETUP +#line 403 "glsl_lexer.lpp" +KEYWORD(130, 999, IMAGE1DARRAY); + YY_BREAK +case 195: +YY_RULE_SETUP +#line 404 "glsl_lexer.lpp" +KEYWORD(130, 999, IMAGE2DARRAY); + YY_BREAK +case 196: +YY_RULE_SETUP +#line 405 "glsl_lexer.lpp" +KEYWORD(130, 999, IIMAGE1DARRAY); + YY_BREAK +case 197: +YY_RULE_SETUP +#line 406 "glsl_lexer.lpp" +KEYWORD(130, 999, IIMAGE2DARRAY); + YY_BREAK +case 198: +YY_RULE_SETUP +#line 407 "glsl_lexer.lpp" +KEYWORD(130, 999, UIMAGE1DARRAY); + YY_BREAK +case 199: +YY_RULE_SETUP +#line 408 "glsl_lexer.lpp" +KEYWORD(130, 999, UIMAGE2DARRAY); + YY_BREAK +case 200: +YY_RULE_SETUP +#line 409 "glsl_lexer.lpp" +KEYWORD(130, 999, IMAGE1DSHADOW); + YY_BREAK +case 201: +YY_RULE_SETUP +#line 410 "glsl_lexer.lpp" +KEYWORD(130, 999, IMAGE2DSHADOW); + YY_BREAK +case 202: +YY_RULE_SETUP +#line 411 "glsl_lexer.lpp" +KEYWORD(130, 999, IMAGE1DARRAYSHADOW); + YY_BREAK +case 203: +YY_RULE_SETUP +#line 412 "glsl_lexer.lpp" +KEYWORD(130, 999, IMAGE2DARRAYSHADOW); + YY_BREAK +case 204: +YY_RULE_SETUP +#line 413 "glsl_lexer.lpp" +KEYWORD(130, 999, IMAGEBUFFER); + YY_BREAK +case 205: +YY_RULE_SETUP +#line 414 "glsl_lexer.lpp" +KEYWORD(130, 999, IIMAGEBUFFER); + YY_BREAK +case 206: +YY_RULE_SETUP +#line 415 "glsl_lexer.lpp" +KEYWORD(130, 999, UIMAGEBUFFER); + YY_BREAK +case 207: +YY_RULE_SETUP +#line 416 "glsl_lexer.lpp" +KEYWORD(130, 999, ROW_MAJOR); + YY_BREAK +case 208: +YY_RULE_SETUP +#line 418 "glsl_lexer.lpp" +{ + struct _mesa_glsl_parse_state *state = yyextra; + void *ctx = state; + yylval->identifier = talloc_strdup(ctx, yytext); + return IDENTIFIER; + } + YY_BREAK +case 209: +YY_RULE_SETUP +#line 425 "glsl_lexer.lpp" +{ return yytext[0]; } + YY_BREAK +case 210: +YY_RULE_SETUP +#line 427 "glsl_lexer.lpp" +ECHO; + YY_BREAK +#line 2555 "glsl_lexer.cpp" +case YY_STATE_EOF(INITIAL): +case YY_STATE_EOF(PP): +case YY_STATE_EOF(PRAGMA): + yyterminate(); + + case YY_END_OF_BUFFER: + { + /* Amount of text matched not including the EOB char. */ + int yy_amount_of_matched_text = (int) (yy_cp - yyg->yytext_ptr) - 1; + + /* Undo the effects of YY_DO_BEFORE_ACTION. */ + *yy_cp = yyg->yy_hold_char; + YY_RESTORE_YY_MORE_OFFSET + + if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW ) + { + /* We're scanning a new file or input source. It's + * possible that this happened because the user + * just pointed yyin at a new source and called + * _mesa_glsl_lex(). If so, then we have to assure + * consistency between YY_CURRENT_BUFFER and our + * globals. Here is the right place to do so, because + * this is the first action (other than possibly a + * back-up) that will match for the new input source. + */ + yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; + YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin; + YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL; + } + + /* Note that here we test for yy_c_buf_p "<=" to the position + * of the first EOB in the buffer, since yy_c_buf_p will + * already have been incremented past the NUL character + * (since all states make transitions on EOB to the + * end-of-buffer state). Contrast this with the test + * in input(). + */ + if ( yyg->yy_c_buf_p <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] ) + { /* This was really a NUL. */ + yy_state_type yy_next_state; + + yyg->yy_c_buf_p = yyg->yytext_ptr + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state( yyscanner ); + + /* Okay, we're now positioned to make the NUL + * transition. We couldn't have + * yy_get_previous_state() go ahead and do it + * for us because it doesn't know how to deal + * with the possibility of jamming (and we don't + * want to build jamming into it because then it + * will run more slowly). + */ + + yy_next_state = yy_try_NUL_trans( yy_current_state , yyscanner); + + yy_bp = yyg->yytext_ptr + YY_MORE_ADJ; + + if ( yy_next_state ) + { + /* Consume the NUL. */ + yy_cp = ++yyg->yy_c_buf_p; + yy_current_state = yy_next_state; + goto yy_match; + } + + else + { + yy_cp = yyg->yy_last_accepting_cpos; + yy_current_state = yyg->yy_last_accepting_state; + goto yy_find_action; + } + } + + else switch ( yy_get_next_buffer( yyscanner ) ) + { + case EOB_ACT_END_OF_FILE: + { + yyg->yy_did_buffer_switch_on_eof = 0; + + if ( _mesa_glsl_wrap(yyscanner ) ) + { + /* Note: because we've taken care in + * yy_get_next_buffer() to have set up + * yytext, we can now set up + * yy_c_buf_p so that if some total + * hoser (like flex itself) wants to + * call the scanner after we return the + * YY_NULL, it'll still work - another + * YY_NULL will get returned. + */ + yyg->yy_c_buf_p = yyg->yytext_ptr + YY_MORE_ADJ; + + yy_act = YY_STATE_EOF(YY_START); + goto do_action; + } + + else + { + if ( ! yyg->yy_did_buffer_switch_on_eof ) + YY_NEW_FILE; + } + break; + } + + case EOB_ACT_CONTINUE_SCAN: + yyg->yy_c_buf_p = + yyg->yytext_ptr + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state( yyscanner ); + + yy_cp = yyg->yy_c_buf_p; + yy_bp = yyg->yytext_ptr + YY_MORE_ADJ; + goto yy_match; + + case EOB_ACT_LAST_MATCH: + yyg->yy_c_buf_p = + &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars]; + + yy_current_state = yy_get_previous_state( yyscanner ); + + yy_cp = yyg->yy_c_buf_p; + yy_bp = yyg->yytext_ptr + YY_MORE_ADJ; + goto yy_find_action; + } + break; + } + + default: + YY_FATAL_ERROR( + "fatal flex scanner internal error--no action found" ); + } /* end of action switch */ + } /* end of scanning one token */ +} /* end of _mesa_glsl_lex */ + +/* yy_get_next_buffer - try to read in a new buffer + * + * Returns a code representing an action: + * EOB_ACT_LAST_MATCH - + * EOB_ACT_CONTINUE_SCAN - continue scanning from current position + * EOB_ACT_END_OF_FILE - end of file + */ +static int yy_get_next_buffer (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf; + register char *source = yyg->yytext_ptr; + register int number_to_move, i; + int ret_val; + + if ( yyg->yy_c_buf_p > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars + 1] ) + YY_FATAL_ERROR( + "fatal flex scanner internal error--end of buffer missed" ); + + if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 ) + { /* Don't try to fill the buffer, so this is an EOF. */ + if ( yyg->yy_c_buf_p - yyg->yytext_ptr - YY_MORE_ADJ == 1 ) + { + /* We matched a single character, the EOB, so + * treat this as a final EOF. + */ + return EOB_ACT_END_OF_FILE; + } + + else + { + /* We matched some text prior to the EOB, first + * process it. + */ + return EOB_ACT_LAST_MATCH; + } + } + + /* Try to read more data. */ + + /* First move last chars to start of buffer. */ + number_to_move = (int) (yyg->yy_c_buf_p - yyg->yytext_ptr) - 1; + + for ( i = 0; i < number_to_move; ++i ) + *(dest++) = *(source++); + + if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING ) + /* don't do the read, it's not guaranteed to return an EOF, + * just force an EOF + */ + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars = 0; + + else + { + int num_to_read = + YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1; + + while ( num_to_read <= 0 ) + { /* Not enough room in the buffer - grow it. */ + + /* just a shorter name for the current buffer */ + YY_BUFFER_STATE b = YY_CURRENT_BUFFER; + + int yy_c_buf_p_offset = + (int) (yyg->yy_c_buf_p - b->yy_ch_buf); + + if ( b->yy_is_our_buffer ) + { + int new_size = b->yy_buf_size * 2; + + if ( new_size <= 0 ) + b->yy_buf_size += b->yy_buf_size / 8; + else + b->yy_buf_size *= 2; + + b->yy_ch_buf = (char *) + /* Include room in for 2 EOB chars. */ + _mesa_glsl_realloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 ,yyscanner ); + } + else + /* Can't grow it, we don't own it. */ + b->yy_ch_buf = 0; + + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( + "fatal error - scanner input buffer overflow" ); + + yyg->yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset]; + + num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size - + number_to_move - 1; + + } + + if ( num_to_read > YY_READ_BUF_SIZE ) + num_to_read = YY_READ_BUF_SIZE; + + /* Read in more data. */ + YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]), + yyg->yy_n_chars, (size_t) num_to_read ); + + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars; + } + + if ( yyg->yy_n_chars == 0 ) + { + if ( number_to_move == YY_MORE_ADJ ) + { + ret_val = EOB_ACT_END_OF_FILE; + _mesa_glsl_restart(yyin ,yyscanner); + } + + else + { + ret_val = EOB_ACT_LAST_MATCH; + YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = + YY_BUFFER_EOF_PENDING; + } + } + + else + ret_val = EOB_ACT_CONTINUE_SCAN; + + if ((yy_size_t) (yyg->yy_n_chars + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) { + /* Extend the array by 50%, plus the number we really need. */ + yy_size_t new_size = yyg->yy_n_chars + number_to_move + (yyg->yy_n_chars >> 1); + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) _mesa_glsl_realloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size ,yyscanner ); + if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" ); + } + + yyg->yy_n_chars += number_to_move; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] = YY_END_OF_BUFFER_CHAR; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR; + + yyg->yytext_ptr = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0]; + + return ret_val; +} + +/* yy_get_previous_state - get the state just before the EOB char was reached */ + + static yy_state_type yy_get_previous_state (yyscan_t yyscanner) +{ + register yy_state_type yy_current_state; + register char *yy_cp; + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + yy_current_state = yyg->yy_start; + yy_current_state += YY_AT_BOL(); + + for ( yy_cp = yyg->yytext_ptr + YY_MORE_ADJ; yy_cp < yyg->yy_c_buf_p; ++yy_cp ) + { + register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1); + if ( yy_accept[yy_current_state] ) + { + yyg->yy_last_accepting_state = yy_current_state; + yyg->yy_last_accepting_cpos = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 836 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + } + + return yy_current_state; +} + +/* yy_try_NUL_trans - try to make a transition on the NUL character + * + * synopsis + * next_state = yy_try_NUL_trans( current_state ); + */ + static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state , yyscan_t yyscanner) +{ + register int yy_is_jam; + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; /* This var may be unused depending upon options. */ + register char *yy_cp = yyg->yy_c_buf_p; + + register YY_CHAR yy_c = 1; + if ( yy_accept[yy_current_state] ) + { + yyg->yy_last_accepting_state = yy_current_state; + yyg->yy_last_accepting_cpos = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 836 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + yy_is_jam = (yy_current_state == 835); + + return yy_is_jam ? 0 : yy_current_state; +} + +#ifndef YY_NO_INPUT +#ifdef __cplusplus + static int yyinput (yyscan_t yyscanner) +#else + static int input (yyscan_t yyscanner) +#endif + +{ + int c; + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + *yyg->yy_c_buf_p = yyg->yy_hold_char; + + if ( *yyg->yy_c_buf_p == YY_END_OF_BUFFER_CHAR ) + { + /* yy_c_buf_p now points to the character we want to return. + * If this occurs *before* the EOB characters, then it's a + * valid NUL; if not, then we've hit the end of the buffer. + */ + if ( yyg->yy_c_buf_p < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] ) + /* This was really a NUL. */ + *yyg->yy_c_buf_p = '\0'; + + else + { /* need more input */ + int offset = yyg->yy_c_buf_p - yyg->yytext_ptr; + ++yyg->yy_c_buf_p; + + switch ( yy_get_next_buffer( yyscanner ) ) + { + case EOB_ACT_LAST_MATCH: + /* This happens because yy_g_n_b() + * sees that we've accumulated a + * token and flags that we need to + * try matching the token before + * proceeding. But for input(), + * there's no matching to consider. + * So convert the EOB_ACT_LAST_MATCH + * to EOB_ACT_END_OF_FILE. + */ + + /* Reset buffer status. */ + _mesa_glsl_restart(yyin ,yyscanner); + + /*FALLTHROUGH*/ + + case EOB_ACT_END_OF_FILE: + { + if ( _mesa_glsl_wrap(yyscanner ) ) + return EOF; + + if ( ! yyg->yy_did_buffer_switch_on_eof ) + YY_NEW_FILE; +#ifdef __cplusplus + return yyinput(yyscanner); +#else + return input(yyscanner); +#endif + } + + case EOB_ACT_CONTINUE_SCAN: + yyg->yy_c_buf_p = yyg->yytext_ptr + offset; + break; + } + } + } + + c = *(unsigned char *) yyg->yy_c_buf_p; /* cast for 8-bit char's */ + *yyg->yy_c_buf_p = '\0'; /* preserve yytext */ + yyg->yy_hold_char = *++yyg->yy_c_buf_p; + + YY_CURRENT_BUFFER_LVALUE->yy_at_bol = (c == '\n'); + + return c; +} +#endif /* ifndef YY_NO_INPUT */ + +/** Immediately switch to a different input stream. + * @param input_file A readable stream. + * @param yyscanner The scanner object. + * @note This function does not reset the start condition to @c INITIAL . + */ + void _mesa_glsl_restart (FILE * input_file , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + if ( ! YY_CURRENT_BUFFER ){ + _mesa_glsl_ensure_buffer_stack (yyscanner); + YY_CURRENT_BUFFER_LVALUE = + _mesa_glsl__create_buffer(yyin,YY_BUF_SIZE ,yyscanner); + } + + _mesa_glsl__init_buffer(YY_CURRENT_BUFFER,input_file ,yyscanner); + _mesa_glsl__load_buffer_state(yyscanner ); +} + +/** Switch to a different input buffer. + * @param new_buffer The new input buffer. + * @param yyscanner The scanner object. + */ + void _mesa_glsl__switch_to_buffer (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + /* TODO. We should be able to replace this entire function body + * with + * _mesa_glsl_pop_buffer_state(); + * _mesa_glsl_push_buffer_state(new_buffer); + */ + _mesa_glsl_ensure_buffer_stack (yyscanner); + if ( YY_CURRENT_BUFFER == new_buffer ) + return; + + if ( YY_CURRENT_BUFFER ) + { + /* Flush out information for old buffer. */ + *yyg->yy_c_buf_p = yyg->yy_hold_char; + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p; + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars; + } + + YY_CURRENT_BUFFER_LVALUE = new_buffer; + _mesa_glsl__load_buffer_state(yyscanner ); + + /* We don't actually know whether we did this switch during + * EOF (_mesa_glsl_wrap()) processing, but the only time this flag + * is looked at is after _mesa_glsl_wrap() is called, so it's safe + * to go ahead and always set it. + */ + yyg->yy_did_buffer_switch_on_eof = 1; +} + +static void _mesa_glsl__load_buffer_state (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; + yyg->yytext_ptr = yyg->yy_c_buf_p = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos; + yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file; + yyg->yy_hold_char = *yyg->yy_c_buf_p; +} + +/** Allocate and initialize an input buffer state. + * @param file A readable stream. + * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE. + * @param yyscanner The scanner object. + * @return the allocated buffer state. + */ + YY_BUFFER_STATE _mesa_glsl__create_buffer (FILE * file, int size , yyscan_t yyscanner) +{ + YY_BUFFER_STATE b; + + b = (YY_BUFFER_STATE) _mesa_glsl_alloc(sizeof( struct yy_buffer_state ) ,yyscanner ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in _mesa_glsl__create_buffer()" ); + + b->yy_buf_size = size; + + /* yy_ch_buf has to be 2 characters longer than the size given because + * we need to put in 2 end-of-buffer characters. + */ + b->yy_ch_buf = (char *) _mesa_glsl_alloc(b->yy_buf_size + 2 ,yyscanner ); + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in _mesa_glsl__create_buffer()" ); + + b->yy_is_our_buffer = 1; + + _mesa_glsl__init_buffer(b,file ,yyscanner); + + return b; +} + +/** Destroy the buffer. + * @param b a buffer created with _mesa_glsl__create_buffer() + * @param yyscanner The scanner object. + */ + void _mesa_glsl__delete_buffer (YY_BUFFER_STATE b , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + if ( ! b ) + return; + + if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */ + YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0; + + if ( b->yy_is_our_buffer ) + _mesa_glsl_free((void *) b->yy_ch_buf ,yyscanner ); + + _mesa_glsl_free((void *) b ,yyscanner ); +} + +/* Initializes or reinitializes a buffer. + * This function is sometimes called more than once on the same buffer, + * such as during a _mesa_glsl_restart() or at EOF. + */ + static void _mesa_glsl__init_buffer (YY_BUFFER_STATE b, FILE * file , yyscan_t yyscanner) + +{ + int oerrno = errno; + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + _mesa_glsl__flush_buffer(b ,yyscanner); + + b->yy_input_file = file; + b->yy_fill_buffer = 1; + + /* If b is the current buffer, then _mesa_glsl__init_buffer was _probably_ + * called from _mesa_glsl_restart() or through yy_get_next_buffer. + * In that case, we don't want to reset the lineno or column. + */ + if (b != YY_CURRENT_BUFFER){ + b->yy_bs_lineno = 1; + b->yy_bs_column = 0; + } + + b->yy_is_interactive = 0; + + errno = oerrno; +} + +/** Discard all buffered characters. On the next scan, YY_INPUT will be called. + * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER. + * @param yyscanner The scanner object. + */ + void _mesa_glsl__flush_buffer (YY_BUFFER_STATE b , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + if ( ! b ) + return; + + b->yy_n_chars = 0; + + /* We always need two end-of-buffer characters. The first causes + * a transition to the end-of-buffer state. The second causes + * a jam in that state. + */ + b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR; + b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; + + b->yy_buf_pos = &b->yy_ch_buf[0]; + + b->yy_at_bol = 1; + b->yy_buffer_status = YY_BUFFER_NEW; + + if ( b == YY_CURRENT_BUFFER ) + _mesa_glsl__load_buffer_state(yyscanner ); +} + +/** Pushes the new state onto the stack. The new state becomes + * the current state. This function will allocate the stack + * if necessary. + * @param new_buffer The new state. + * @param yyscanner The scanner object. + */ +void _mesa_glsl_push_buffer_state (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + if (new_buffer == NULL) + return; + + _mesa_glsl_ensure_buffer_stack(yyscanner); + + /* This block is copied from _mesa_glsl__switch_to_buffer. */ + if ( YY_CURRENT_BUFFER ) + { + /* Flush out information for old buffer. */ + *yyg->yy_c_buf_p = yyg->yy_hold_char; + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p; + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars; + } + + /* Only push if top exists. Otherwise, replace top. */ + if (YY_CURRENT_BUFFER) + yyg->yy_buffer_stack_top++; + YY_CURRENT_BUFFER_LVALUE = new_buffer; + + /* copied from _mesa_glsl__switch_to_buffer. */ + _mesa_glsl__load_buffer_state(yyscanner ); + yyg->yy_did_buffer_switch_on_eof = 1; +} + +/** Removes and deletes the top of the stack, if present. + * The next element becomes the new top. + * @param yyscanner The scanner object. + */ +void _mesa_glsl_pop_buffer_state (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + if (!YY_CURRENT_BUFFER) + return; + + _mesa_glsl__delete_buffer(YY_CURRENT_BUFFER ,yyscanner); + YY_CURRENT_BUFFER_LVALUE = NULL; + if (yyg->yy_buffer_stack_top > 0) + --yyg->yy_buffer_stack_top; + + if (YY_CURRENT_BUFFER) { + _mesa_glsl__load_buffer_state(yyscanner ); + yyg->yy_did_buffer_switch_on_eof = 1; + } +} + +/* Allocates the stack if it does not exist. + * Guarantees space for at least one push. + */ +static void _mesa_glsl_ensure_buffer_stack (yyscan_t yyscanner) +{ + int num_to_alloc; + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + if (!yyg->yy_buffer_stack) { + + /* First allocation is just for 2 elements, since we don't know if this + * scanner will even need a stack. We use 2 instead of 1 to avoid an + * immediate realloc on the next call. + */ + num_to_alloc = 1; + yyg->yy_buffer_stack = (struct yy_buffer_state**)_mesa_glsl_alloc + (num_to_alloc * sizeof(struct yy_buffer_state*) + , yyscanner); + if ( ! yyg->yy_buffer_stack ) + YY_FATAL_ERROR( "out of dynamic memory in _mesa_glsl_ensure_buffer_stack()" ); + + memset(yyg->yy_buffer_stack, 0, num_to_alloc * sizeof(struct yy_buffer_state*)); + + yyg->yy_buffer_stack_max = num_to_alloc; + yyg->yy_buffer_stack_top = 0; + return; + } + + if (yyg->yy_buffer_stack_top >= (yyg->yy_buffer_stack_max) - 1){ + + /* Increase the buffer to prepare for a possible push. */ + int grow_size = 8 /* arbitrary grow size */; + + num_to_alloc = yyg->yy_buffer_stack_max + grow_size; + yyg->yy_buffer_stack = (struct yy_buffer_state**)_mesa_glsl_realloc + (yyg->yy_buffer_stack, + num_to_alloc * sizeof(struct yy_buffer_state*) + , yyscanner); + if ( ! yyg->yy_buffer_stack ) + YY_FATAL_ERROR( "out of dynamic memory in _mesa_glsl_ensure_buffer_stack()" ); + + /* zero only the new slots.*/ + memset(yyg->yy_buffer_stack + yyg->yy_buffer_stack_max, 0, grow_size * sizeof(struct yy_buffer_state*)); + yyg->yy_buffer_stack_max = num_to_alloc; + } +} + +/** Setup the input buffer state to scan directly from a user-specified character buffer. + * @param base the character buffer + * @param size the size in bytes of the character buffer + * @param yyscanner The scanner object. + * @return the newly allocated buffer state object. + */ +YY_BUFFER_STATE _mesa_glsl__scan_buffer (char * base, yy_size_t size , yyscan_t yyscanner) +{ + YY_BUFFER_STATE b; + + if ( size < 2 || + base[size-2] != YY_END_OF_BUFFER_CHAR || + base[size-1] != YY_END_OF_BUFFER_CHAR ) + /* They forgot to leave room for the EOB's. */ + return 0; + + b = (YY_BUFFER_STATE) _mesa_glsl_alloc(sizeof( struct yy_buffer_state ) ,yyscanner ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in _mesa_glsl__scan_buffer()" ); + + b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */ + b->yy_buf_pos = b->yy_ch_buf = base; + b->yy_is_our_buffer = 0; + b->yy_input_file = 0; + b->yy_n_chars = b->yy_buf_size; + b->yy_is_interactive = 0; + b->yy_at_bol = 1; + b->yy_fill_buffer = 0; + b->yy_buffer_status = YY_BUFFER_NEW; + + _mesa_glsl__switch_to_buffer(b ,yyscanner ); + + return b; +} + +/** Setup the input buffer state to scan a string. The next call to _mesa_glsl_lex() will + * scan from a @e copy of @a str. + * @param yystr a NUL-terminated string to scan + * @param yyscanner The scanner object. + * @return the newly allocated buffer state object. + * @note If you want to scan bytes that may contain NUL values, then use + * _mesa_glsl__scan_bytes() instead. + */ +YY_BUFFER_STATE _mesa_glsl__scan_string (yyconst char * yystr , yyscan_t yyscanner) +{ + + return _mesa_glsl__scan_bytes(yystr,strlen(yystr) ,yyscanner); +} + +/** Setup the input buffer state to scan the given bytes. The next call to _mesa_glsl_lex() will + * scan from a @e copy of @a bytes. + * @param bytes the byte buffer to scan + * @param len the number of bytes in the buffer pointed to by @a bytes. + * @param yyscanner The scanner object. + * @return the newly allocated buffer state object. + */ +YY_BUFFER_STATE _mesa_glsl__scan_bytes (yyconst char * yybytes, int _yybytes_len , yyscan_t yyscanner) +{ + YY_BUFFER_STATE b; + char *buf; + yy_size_t n; + int i; + + /* Get memory for full buffer, including space for trailing EOB's. */ + n = _yybytes_len + 2; + buf = (char *) _mesa_glsl_alloc(n ,yyscanner ); + if ( ! buf ) + YY_FATAL_ERROR( "out of dynamic memory in _mesa_glsl__scan_bytes()" ); + + for ( i = 0; i < _yybytes_len; ++i ) + buf[i] = yybytes[i]; + + buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR; + + b = _mesa_glsl__scan_buffer(buf,n ,yyscanner); + if ( ! b ) + YY_FATAL_ERROR( "bad buffer in _mesa_glsl__scan_bytes()" ); + + /* It's okay to grow etc. this buffer, and we should throw it + * away when we're done. + */ + b->yy_is_our_buffer = 1; + + return b; +} + +#ifndef YY_EXIT_FAILURE +#define YY_EXIT_FAILURE 2 +#endif + +static void yy_fatal_error (yyconst char* msg , yyscan_t yyscanner) +{ + (void) fprintf( stderr, "%s\n", msg ); + exit( YY_EXIT_FAILURE ); +} + +/* Redefine yyless() so it works in section 3 code. */ + +#undef yyless +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up yytext. */ \ + int yyless_macro_arg = (n); \ + YY_LESS_LINENO(yyless_macro_arg);\ + yytext[yyleng] = yyg->yy_hold_char; \ + yyg->yy_c_buf_p = yytext + yyless_macro_arg; \ + yyg->yy_hold_char = *yyg->yy_c_buf_p; \ + *yyg->yy_c_buf_p = '\0'; \ + yyleng = yyless_macro_arg; \ + } \ + while ( 0 ) + +/* Accessor methods (get/set functions) to struct members. */ + +/** Get the user-defined data for this scanner. + * @param yyscanner The scanner object. + */ +YY_EXTRA_TYPE _mesa_glsl_get_extra (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yyextra; +} + +/** Get the current line number. + * @param yyscanner The scanner object. + */ +int _mesa_glsl_get_lineno (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + if (! YY_CURRENT_BUFFER) + return 0; + + return yylineno; +} + +/** Get the current column number. + * @param yyscanner The scanner object. + */ +int _mesa_glsl_get_column (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + if (! YY_CURRENT_BUFFER) + return 0; + + return yycolumn; +} + +/** Get the input stream. + * @param yyscanner The scanner object. + */ +FILE *_mesa_glsl_get_in (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yyin; +} + +/** Get the output stream. + * @param yyscanner The scanner object. + */ +FILE *_mesa_glsl_get_out (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yyout; +} + +/** Get the length of the current token. + * @param yyscanner The scanner object. + */ +int _mesa_glsl_get_leng (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yyleng; +} + +/** Get the current token. + * @param yyscanner The scanner object. + */ + +char *_mesa_glsl_get_text (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yytext; +} + +/** Set the user-defined data. This data is never touched by the scanner. + * @param user_defined The data to be associated with this scanner. + * @param yyscanner The scanner object. + */ +void _mesa_glsl_set_extra (YY_EXTRA_TYPE user_defined , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + yyextra = user_defined ; +} + +/** Set the current line number. + * @param line_number + * @param yyscanner The scanner object. + */ +void _mesa_glsl_set_lineno (int line_number , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + /* lineno is only valid if an input buffer exists. */ + if (! YY_CURRENT_BUFFER ) + yy_fatal_error( "_mesa_glsl_set_lineno called with no buffer" , yyscanner); + + yylineno = line_number; +} + +/** Set the current column. + * @param line_number + * @param yyscanner The scanner object. + */ +void _mesa_glsl_set_column (int column_no , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + /* column is only valid if an input buffer exists. */ + if (! YY_CURRENT_BUFFER ) + yy_fatal_error( "_mesa_glsl_set_column called with no buffer" , yyscanner); + + yycolumn = column_no; +} + +/** Set the input stream. This does not discard the current + * input buffer. + * @param in_str A readable stream. + * @param yyscanner The scanner object. + * @see _mesa_glsl__switch_to_buffer + */ +void _mesa_glsl_set_in (FILE * in_str , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + yyin = in_str ; +} + +void _mesa_glsl_set_out (FILE * out_str , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + yyout = out_str ; +} + +int _mesa_glsl_get_debug (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yy_flex_debug; +} + +void _mesa_glsl_set_debug (int bdebug , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + yy_flex_debug = bdebug ; +} + +/* Accessor methods for yylval and yylloc */ + +YYSTYPE * _mesa_glsl_get_lval (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yylval; +} + +void _mesa_glsl_set_lval (YYSTYPE * yylval_param , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + yylval = yylval_param; +} + +YYLTYPE *_mesa_glsl_get_lloc (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yylloc; +} + +void _mesa_glsl_set_lloc (YYLTYPE * yylloc_param , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + yylloc = yylloc_param; +} + +/* User-visible API */ + +/* _mesa_glsl_lex_init is special because it creates the scanner itself, so it is + * the ONLY reentrant function that doesn't take the scanner as the last argument. + * That's why we explicitly handle the declaration, instead of using our macros. + */ + +int _mesa_glsl_lex_init(yyscan_t* ptr_yy_globals) + +{ + if (ptr_yy_globals == NULL){ + errno = EINVAL; + return 1; + } + + *ptr_yy_globals = (yyscan_t) _mesa_glsl_alloc ( sizeof( struct yyguts_t ), NULL ); + + if (*ptr_yy_globals == NULL){ + errno = ENOMEM; + return 1; + } + + /* By setting to 0xAA, we expose bugs in yy_init_globals. Leave at 0x00 for releases. */ + memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t)); + + return yy_init_globals ( *ptr_yy_globals ); +} + +/* _mesa_glsl_lex_init_extra has the same functionality as _mesa_glsl_lex_init, but follows the + * convention of taking the scanner as the last argument. Note however, that + * this is a *pointer* to a scanner, as it will be allocated by this call (and + * is the reason, too, why this function also must handle its own declaration). + * The user defined value in the first argument will be available to _mesa_glsl_alloc in + * the yyextra field. + */ + +int _mesa_glsl_lex_init_extra(YY_EXTRA_TYPE yy_user_defined,yyscan_t* ptr_yy_globals ) + +{ + struct yyguts_t dummy_yyguts; + + _mesa_glsl_set_extra (yy_user_defined, &dummy_yyguts); + + if (ptr_yy_globals == NULL){ + errno = EINVAL; + return 1; + } + + *ptr_yy_globals = (yyscan_t) _mesa_glsl_alloc ( sizeof( struct yyguts_t ), &dummy_yyguts ); + + if (*ptr_yy_globals == NULL){ + errno = ENOMEM; + return 1; + } + + /* By setting to 0xAA, we expose bugs in + yy_init_globals. Leave at 0x00 for releases. */ + memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t)); + + _mesa_glsl_set_extra (yy_user_defined, *ptr_yy_globals); + + return yy_init_globals ( *ptr_yy_globals ); +} + +static int yy_init_globals (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + /* Initialization is the same as for the non-reentrant scanner. + * This function is called from _mesa_glsl_lex_destroy(), so don't allocate here. + */ + + yyg->yy_buffer_stack = 0; + yyg->yy_buffer_stack_top = 0; + yyg->yy_buffer_stack_max = 0; + yyg->yy_c_buf_p = (char *) 0; + yyg->yy_init = 0; + yyg->yy_start = 0; + + yyg->yy_start_stack_ptr = 0; + yyg->yy_start_stack_depth = 0; + yyg->yy_start_stack = NULL; + +/* Defined in main.c */ +#ifdef YY_STDINIT + yyin = stdin; + yyout = stdout; +#else + yyin = (FILE *) 0; + yyout = (FILE *) 0; +#endif + + /* For future reference: Set errno on error, since we are called by + * _mesa_glsl_lex_init() + */ + return 0; +} + +/* _mesa_glsl_lex_destroy is for both reentrant and non-reentrant scanners. */ +int _mesa_glsl_lex_destroy (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + /* Pop the buffer stack, destroying each element. */ + while(YY_CURRENT_BUFFER){ + _mesa_glsl__delete_buffer(YY_CURRENT_BUFFER ,yyscanner ); + YY_CURRENT_BUFFER_LVALUE = NULL; + _mesa_glsl_pop_buffer_state(yyscanner); + } + + /* Destroy the stack itself. */ + _mesa_glsl_free(yyg->yy_buffer_stack ,yyscanner); + yyg->yy_buffer_stack = NULL; + + /* Destroy the start condition stack. */ + _mesa_glsl_free(yyg->yy_start_stack ,yyscanner ); + yyg->yy_start_stack = NULL; + + /* Reset the globals. This is important in a non-reentrant scanner so the next time + * _mesa_glsl_lex() is called, initialization will occur. */ + yy_init_globals( yyscanner); + + /* Destroy the main struct (reentrant only). */ + _mesa_glsl_free ( yyscanner , yyscanner ); + yyscanner = NULL; + return 0; +} + +/* + * Internal utility routines. + */ + +#ifndef yytext_ptr +static void yy_flex_strncpy (char* s1, yyconst char * s2, int n , yyscan_t yyscanner) +{ + register int i; + for ( i = 0; i < n; ++i ) + s1[i] = s2[i]; +} +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen (yyconst char * s , yyscan_t yyscanner) +{ + register int n; + for ( n = 0; s[n]; ++n ) + ; + + return n; +} +#endif + +void *_mesa_glsl_alloc (yy_size_t size , yyscan_t yyscanner) +{ + return (void *) malloc( size ); +} + +void *_mesa_glsl_realloc (void * ptr, yy_size_t size , yyscan_t yyscanner) +{ + /* The cast to (char *) in the following accommodates both + * implementations that use char* generic pointers, and those + * that use void* generic pointers. It works with the latter + * because both ANSI C and C++ allow castless assignment from + * any pointer type to void*, and deal with argument conversions + * as though doing an assignment. + */ + return (void *) realloc( (char *) ptr, size ); +} + +void _mesa_glsl_free (void * ptr , yyscan_t yyscanner) +{ + free( (char *) ptr ); /* see _mesa_glsl_realloc() for (char *) cast */ +} + +#define YYTABLES_NAME "yytables" + +#line 427 "glsl_lexer.lpp" + + + +void +_mesa_glsl_lexer_ctor(struct _mesa_glsl_parse_state *state, const char *string) +{ + _mesa_glsl_lex_init_extra(state,& state->scanner); + _mesa_glsl__scan_string(string,state->scanner); +} + +void +_mesa_glsl_lexer_dtor(struct _mesa_glsl_parse_state *state) +{ + _mesa_glsl_lex_destroy(state->scanner); +} + diff --git a/mesalib/src/glsl/glsl_lexer.lpp b/mesalib/src/glsl/glsl_lexer.lpp index 35405dad6..4d6866390 100644 --- a/mesalib/src/glsl/glsl_lexer.lpp +++ b/mesalib/src/glsl/glsl_lexer.lpp @@ -1,439 +1,440 @@ -%{ -/* - * Copyright © 2008, 2009 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - */ -#include -#include "strtod.h" -#include "ast.h" -#include "glsl_parser_extras.h" -#include "glsl_parser.h" - -#define YY_USER_ACTION \ - do { \ - yylloc->source = 0; \ - yylloc->first_column = yycolumn + 1; \ - yylloc->first_line = yylineno + 1; \ - yycolumn += yyleng; \ - } while(0); - -#define YY_USER_INIT yylineno = 0; yycolumn = 0; - -#define IS_UINT (yytext[yyleng - 1] == 'u' || yytext[yyleng - 1] == 'U') - -/* A macro for handling reserved words and keywords across language versions. - * - * Certain words start out as identifiers, become reserved words in - * later language revisions, and finally become language keywords. - * - * For example, consider the following lexer rule: - * samplerBuffer KEYWORD(130, 140, SAMPLERBUFFER) - * - * This means that "samplerBuffer" will be treated as: - * - a keyword (SAMPLERBUFFER token) ...in GLSL >= 1.40 - * - a reserved word - error ...in GLSL >= 1.30 - * - an identifier ...in GLSL < 1.30 - */ -#define KEYWORD(reserved_version, allowed_version, token) \ - do { \ - if (yyextra->language_version >= allowed_version) { \ - return token; \ - } else if (yyextra->language_version >= reserved_version) { \ - _mesa_glsl_error(yylloc, yyextra, \ - "Illegal use of reserved word `%s'", yytext); \ - return ERROR_TOK; \ - } else { \ - yylval->identifier = strdup(yytext); \ - return IDENTIFIER; \ - } \ - } while (0) - -/* The ES macro can be used in KEYWORD checks: - * - * word KEYWORD(110 || ES, 400, TOKEN) - * ...means the word is reserved in GLSL ES 1.00, while - * - * word KEYWORD(110, 130 || ES, TOKEN) - * ...means the word is a legal keyword in GLSL ES 1.00. - */ -#define ES yyextra->es_shader -%} - -%option bison-bridge bison-locations reentrant noyywrap -%option nounput noyy_top_state -%option never-interactive -%option prefix="_mesa_glsl_" -%option extra-type="struct _mesa_glsl_parse_state *" - -%x PP PRAGMA - -DEC_INT [1-9][0-9]* -HEX_INT 0[xX][0-9a-fA-F]+ -OCT_INT 0[0-7]* -INT ({DEC_INT}|{HEX_INT}|{OCT_INT}) -SPC [ \t]* -SPCP [ \t]+ -HASH ^{SPC}#{SPC} -%% - -[ \r\t]+ ; - - /* Preprocessor tokens. */ -^[ \t]*#[ \t]*$ ; -^[ \t]*#[ \t]*version { BEGIN PP; return VERSION; } -^[ \t]*#[ \t]*extension { BEGIN PP; return EXTENSION; } -{HASH}line{SPCP}{INT}{SPCP}{INT}{SPC}$ { - /* Eat characters until the first digit is - * encountered - */ - char *ptr = yytext; - while (!isdigit(*ptr)) - ptr++; - - /* Subtract one from the line number because - * yylineno is zero-based instead of - * one-based. - */ - yylineno = strtol(ptr, &ptr, 0) - 1; - yylloc->source = strtol(ptr, NULL, 0); - } -{HASH}line{SPCP}{INT}{SPC}$ { - /* Eat characters until the first digit is - * encountered - */ - char *ptr = yytext; - while (!isdigit(*ptr)) - ptr++; - - /* Subtract one from the line number because - * yylineno is zero-based instead of - * one-based. - */ - yylineno = strtol(ptr, &ptr, 0) - 1; - } -^{SPC}#{SPC}pragma{SPCP}debug{SPC}\({SPC}on{SPC}\) { - BEGIN PP; - return PRAGMA_DEBUG_ON; - } -^{SPC}#{SPC}pragma{SPCP}debug{SPC}\({SPC}off{SPC}\) { - BEGIN PP; - return PRAGMA_DEBUG_OFF; - } -^{SPC}#{SPC}pragma{SPCP}optimize{SPC}\({SPC}on{SPC}\) { - BEGIN PP; - return PRAGMA_OPTIMIZE_ON; - } -^{SPC}#{SPC}pragma{SPCP}optimize{SPC}\({SPC}off{SPC}\) { - BEGIN PP; - return PRAGMA_OPTIMIZE_OFF; - } -^{SPC}#{SPC}pragma{SPCP}STDGL{SPCP}invariant{SPC}\({SPC}all{SPC}\) { - BEGIN PP; - return PRAGMA_INVARIANT_ALL; - } -^{SPC}#{SPC}pragma{SPCP} { BEGIN PRAGMA; } - -\n { BEGIN 0; yylineno++; yycolumn = 0; } -. { } - -\/\/[^\n]* { } -[ \t\r]* { } -: return COLON; -[_a-zA-Z][_a-zA-Z0-9]* { - yylval->identifier = strdup(yytext); - return IDENTIFIER; - } -[1-9][0-9]* { - yylval->n = strtol(yytext, NULL, 10); - return INTCONSTANT; - } -\n { BEGIN 0; yylineno++; yycolumn = 0; return EOL; } - -\n { yylineno++; yycolumn = 0; } - -attribute return ATTRIBUTE; -const return CONST_TOK; -bool return BOOL_TOK; -float return FLOAT_TOK; -int return INT_TOK; -uint KEYWORD(130, 130, UINT_TOK); - -break return BREAK; -continue return CONTINUE; -do return DO; -while return WHILE; -else return ELSE; -for return FOR; -if return IF; -discard return DISCARD; -return return RETURN; - -bvec2 return BVEC2; -bvec3 return BVEC3; -bvec4 return BVEC4; -ivec2 return IVEC2; -ivec3 return IVEC3; -ivec4 return IVEC4; -uvec2 KEYWORD(130, 130, UVEC2); -uvec3 KEYWORD(130, 130, UVEC3); -uvec4 KEYWORD(130, 130, UVEC4); -vec2 return VEC2; -vec3 return VEC3; -vec4 return VEC4; -mat2 return MAT2X2; -mat3 return MAT3X3; -mat4 return MAT4X4; -mat2x2 KEYWORD(120, 120, MAT2X2); -mat2x3 KEYWORD(120, 120, MAT2X3); -mat2x4 KEYWORD(120, 120, MAT2X4); -mat3x2 KEYWORD(120, 120, MAT3X2); -mat3x3 KEYWORD(120, 120, MAT3X3); -mat3x4 KEYWORD(120, 120, MAT3X4); -mat4x2 KEYWORD(120, 120, MAT4X2); -mat4x3 KEYWORD(120, 120, MAT4X3); -mat4x4 KEYWORD(120, 120, MAT4X4); - -in return IN_TOK; -out return OUT_TOK; -inout return INOUT_TOK; -uniform return UNIFORM; -varying return VARYING; -centroid KEYWORD(120, 120, CENTROID); -invariant KEYWORD(120 || ES, 120 || ES, INVARIANT); -flat KEYWORD(130 || ES, 130, FLAT); -smooth KEYWORD(130, 130, SMOOTH); -noperspective KEYWORD(130, 130, NOPERSPECTIVE); - -sampler1D return SAMPLER1D; -sampler2D return SAMPLER2D; -sampler3D return SAMPLER3D; -samplerCube return SAMPLERCUBE; -sampler1DArray KEYWORD(130, 130, SAMPLER1DARRAY); -sampler2DArray KEYWORD(130, 130, SAMPLER2DARRAY); -sampler1DShadow return SAMPLER1DSHADOW; -sampler2DShadow return SAMPLER2DSHADOW; -samplerCubeShadow KEYWORD(130, 130, SAMPLERCUBESHADOW); -sampler1DArrayShadow KEYWORD(130, 130, SAMPLER1DARRAYSHADOW); -sampler2DArrayShadow KEYWORD(130, 130, SAMPLER2DARRAYSHADOW); -isampler1D KEYWORD(130, 130, ISAMPLER1D); -isampler2D KEYWORD(130, 130, ISAMPLER2D); -isampler3D KEYWORD(130, 130, ISAMPLER3D); -isamplerCube KEYWORD(130, 130, ISAMPLERCUBE); -isampler1DArray KEYWORD(130, 130, ISAMPLER1DARRAY); -isampler2DArray KEYWORD(130, 130, ISAMPLER2DARRAY); -usampler1D KEYWORD(130, 130, USAMPLER1D); -usampler2D KEYWORD(130, 130, USAMPLER2D); -usampler3D KEYWORD(130, 130, USAMPLER3D); -usamplerCube KEYWORD(130, 130, USAMPLERCUBE); -usampler1DArray KEYWORD(130, 130, USAMPLER1DARRAY); -usampler2DArray KEYWORD(130, 130, USAMPLER2DARRAY); - - -struct return STRUCT; -void return VOID_TOK; - -layout { - if ((yyextra->language_version >= 140) - || yyextra->ARB_explicit_attrib_location_enable - || (yyextra->ARB_fragment_coord_conventions_enable)){ - return LAYOUT_TOK; - } else { - yylval->identifier = strdup(yytext); - return IDENTIFIER; - } - } - -\+\+ return INC_OP; --- return DEC_OP; -\<= return LE_OP; ->= return GE_OP; -== return EQ_OP; -!= return NE_OP; -&& return AND_OP; -\|\| return OR_OP; -"^^" return XOR_OP; -"<<" return LEFT_OP; -">>" return RIGHT_OP; - -\*= return MUL_ASSIGN; -\/= return DIV_ASSIGN; -\+= return ADD_ASSIGN; -\%= return MOD_ASSIGN; -\<\<= return LEFT_ASSIGN; ->>= return RIGHT_ASSIGN; -&= return AND_ASSIGN; -"^=" return XOR_ASSIGN; -\|= return OR_ASSIGN; --= return SUB_ASSIGN; - -[1-9][0-9]*[uU]? { - yylval->n = strtol(yytext, NULL, 10); - return IS_UINT ? UINTCONSTANT : INTCONSTANT; - } -0[xX][0-9a-fA-F]+[uU]? { - yylval->n = strtol(yytext + 2, NULL, 16); - return IS_UINT ? UINTCONSTANT : INTCONSTANT; - } -0[0-7]*[uU]? { - yylval->n = strtol(yytext, NULL, 8); - return IS_UINT ? UINTCONSTANT : INTCONSTANT; - } - -[0-9]+\.[0-9]+([eE][+-]?[0-9]+)?[fF]? { - yylval->real = glsl_strtod(yytext, NULL); - return FLOATCONSTANT; - } -\.[0-9]+([eE][+-]?[0-9]+)?[fF]? { - yylval->real = glsl_strtod(yytext, NULL); - return FLOATCONSTANT; - } -[0-9]+\.([eE][+-]?[0-9]+)?[fF]? { - yylval->real = glsl_strtod(yytext, NULL); - return FLOATCONSTANT; - } -[0-9]+[eE][+-]?[0-9]+[fF]? { - yylval->real = glsl_strtod(yytext, NULL); - return FLOATCONSTANT; - } -[0-9]+[fF] { - yylval->real = glsl_strtod(yytext, NULL); - return FLOATCONSTANT; - } - -true { - yylval->n = 1; - return BOOLCONSTANT; - } -false { - yylval->n = 0; - return BOOLCONSTANT; - } - - - /* Reserved words in GLSL 1.10. */ -asm KEYWORD(110 || ES, 999, ASM); -class KEYWORD(110 || ES, 999, CLASS); -union KEYWORD(110 || ES, 999, UNION); -enum KEYWORD(110 || ES, 999, ENUM); -typedef KEYWORD(110 || ES, 999, TYPEDEF); -template KEYWORD(110 || ES, 999, TEMPLATE); -this KEYWORD(110 || ES, 999, THIS); -packed KEYWORD(110 || ES, 999, PACKED_TOK); -goto KEYWORD(110 || ES, 999, GOTO); -switch KEYWORD(110 || ES, 130, SWITCH); -default KEYWORD(110 || ES, 130, DEFAULT); -inline KEYWORD(110 || ES, 999, INLINE_TOK); -noinline KEYWORD(110 || ES, 999, NOINLINE); -volatile KEYWORD(110 || ES, 999, VOLATILE); -public KEYWORD(110 || ES, 999, PUBLIC_TOK); -static KEYWORD(110 || ES, 999, STATIC); -extern KEYWORD(110 || ES, 999, EXTERN); -external KEYWORD(110 || ES, 999, EXTERNAL); -interface KEYWORD(110 || ES, 999, INTERFACE); -long KEYWORD(110 || ES, 999, LONG_TOK); -short KEYWORD(110 || ES, 999, SHORT_TOK); -double KEYWORD(110 || ES, 400, DOUBLE_TOK); -half KEYWORD(110 || ES, 999, HALF); -fixed KEYWORD(110 || ES, 999, FIXED_TOK); -unsigned KEYWORD(110 || ES, 999, UNSIGNED); -input KEYWORD(110 || ES, 999, INPUT_TOK); -output KEYWORD(110 || ES, 999, OUTPUT); -hvec2 KEYWORD(110 || ES, 999, HVEC2); -hvec3 KEYWORD(110 || ES, 999, HVEC3); -hvec4 KEYWORD(110 || ES, 999, HVEC4); -dvec2 KEYWORD(110 || ES, 400, DVEC2); -dvec3 KEYWORD(110 || ES, 400, DVEC3); -dvec4 KEYWORD(110 || ES, 400, DVEC4); -fvec2 KEYWORD(110 || ES, 999, FVEC2); -fvec3 KEYWORD(110 || ES, 999, FVEC3); -fvec4 KEYWORD(110 || ES, 999, FVEC4); -sampler2DRect return SAMPLER2DRECT; -sampler3DRect KEYWORD(110 || ES, 999, SAMPLER3DRECT); -sampler2DRectShadow return SAMPLER2DRECTSHADOW; -sizeof KEYWORD(110 || ES, 999, SIZEOF); -cast KEYWORD(110 || ES, 999, CAST); -namespace KEYWORD(110 || ES, 999, NAMESPACE); -using KEYWORD(110 || ES, 999, USING); - - /* Additional reserved words in GLSL 1.20. */ -lowp KEYWORD(120, 130 || ES, LOWP); -mediump KEYWORD(120, 130 || ES, MEDIUMP); -highp KEYWORD(120, 130 || ES, HIGHP); -precision KEYWORD(120, 130 || ES, PRECISION); - - /* Additional reserved words in GLSL 1.30. */ -case KEYWORD(130, 130, CASE); -common KEYWORD(130, 999, COMMON); -partition KEYWORD(130, 999, PARTITION); -active KEYWORD(130, 999, ACTIVE); -superp KEYWORD(130 || ES, 999, SUPERP); -samplerBuffer KEYWORD(130, 140, SAMPLERBUFFER); -filter KEYWORD(130, 999, FILTER); -image1D KEYWORD(130, 999, IMAGE1D); -image2D KEYWORD(130, 999, IMAGE2D); -image3D KEYWORD(130, 999, IMAGE3D); -imageCube KEYWORD(130, 999, IMAGECUBE); -iimage1D KEYWORD(130, 999, IIMAGE1D); -iimage2D KEYWORD(130, 999, IIMAGE2D); -iimage3D KEYWORD(130, 999, IIMAGE3D); -iimageCube KEYWORD(130, 999, IIMAGECUBE); -uimage1D KEYWORD(130, 999, UIMAGE1D); -uimage2D KEYWORD(130, 999, UIMAGE2D); -uimage3D KEYWORD(130, 999, UIMAGE3D); -uimageCube KEYWORD(130, 999, UIMAGECUBE); -image1DArray KEYWORD(130, 999, IMAGE1DARRAY); -image2DArray KEYWORD(130, 999, IMAGE2DARRAY); -iimage1DArray KEYWORD(130, 999, IIMAGE1DARRAY); -iimage2DArray KEYWORD(130, 999, IIMAGE2DARRAY); -uimage1DArray KEYWORD(130, 999, UIMAGE1DARRAY); -uimage2DArray KEYWORD(130, 999, UIMAGE2DARRAY); -image1DShadow KEYWORD(130, 999, IMAGE1DSHADOW); -image2DShadow KEYWORD(130, 999, IMAGE2DSHADOW); -image1DArrayShadow KEYWORD(130, 999, IMAGE1DARRAYSHADOW); -image2DArrayShadow KEYWORD(130, 999, IMAGE2DARRAYSHADOW); -imageBuffer KEYWORD(130, 999, IMAGEBUFFER); -iimageBuffer KEYWORD(130, 999, IIMAGEBUFFER); -uimageBuffer KEYWORD(130, 999, UIMAGEBUFFER); -row_major KEYWORD(130, 999, ROW_MAJOR); - -[_a-zA-Z][_a-zA-Z0-9]* { - struct _mesa_glsl_parse_state *state = yyextra; - void *ctx = state; - yylval->identifier = talloc_strdup(ctx, yytext); - return IDENTIFIER; - } - -. { return yytext[0]; } - -%% - -void -_mesa_glsl_lexer_ctor(struct _mesa_glsl_parse_state *state, const char *string) -{ - yylex_init_extra(state, & state->scanner); - yy_scan_string(string, state->scanner); -} - -void -_mesa_glsl_lexer_dtor(struct _mesa_glsl_parse_state *state) -{ - yylex_destroy(state->scanner); -} +%{ +/* + * Copyright © 2008, 2009 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ +#include +#include "strtod.h" +#include "ast.h" +#include "glsl_parser_extras.h" +#include "glsl_parser.h" + +#define YY_USER_ACTION \ + do { \ + yylloc->source = 0; \ + yylloc->first_column = yycolumn + 1; \ + yylloc->first_line = yylineno + 1; \ + yycolumn += yyleng; \ + } while(0); + +#define YY_USER_INIT yylineno = 0; yycolumn = 0; + +#define IS_UINT (yytext[yyleng - 1] == 'u' || yytext[yyleng - 1] == 'U') + +/* A macro for handling reserved words and keywords across language versions. + * + * Certain words start out as identifiers, become reserved words in + * later language revisions, and finally become language keywords. + * + * For example, consider the following lexer rule: + * samplerBuffer KEYWORD(130, 140, SAMPLERBUFFER) + * + * This means that "samplerBuffer" will be treated as: + * - a keyword (SAMPLERBUFFER token) ...in GLSL >= 1.40 + * - a reserved word - error ...in GLSL >= 1.30 + * - an identifier ...in GLSL < 1.30 + */ +#define KEYWORD(reserved_version, allowed_version, token) \ + do { \ + if (yyextra->language_version >= allowed_version) { \ + return token; \ + } else if (yyextra->language_version >= reserved_version) { \ + _mesa_glsl_error(yylloc, yyextra, \ + "Illegal use of reserved word `%s'", yytext); \ + return ERROR_TOK; \ + } else { \ + yylval->identifier = strdup(yytext); \ + return IDENTIFIER; \ + } \ + } while (0) + +/* The ES macro can be used in KEYWORD checks: + * + * word KEYWORD(110 || ES, 400, TOKEN) + * ...means the word is reserved in GLSL ES 1.00, while + * + * word KEYWORD(110, 130 || ES, TOKEN) + * ...means the word is a legal keyword in GLSL ES 1.00. + */ +#define ES yyextra->es_shader +%} + +%option bison-bridge bison-locations reentrant noyywrap +%option nounput noyy_top_state +%option never-interactive +%option prefix="_mesa_glsl_" +%option extra-type="struct _mesa_glsl_parse_state *" + +%x PP PRAGMA + +DEC_INT [1-9][0-9]* +HEX_INT 0[xX][0-9a-fA-F]+ +OCT_INT 0[0-7]* +INT ({DEC_INT}|{HEX_INT}|{OCT_INT}) +SPC [ \t]* +SPCP [ \t]+ +HASH ^{SPC}#{SPC} +%% + +[ \r\t]+ ; + + /* Preprocessor tokens. */ +^[ \t]*#[ \t]*$ ; +^[ \t]*#[ \t]*version { BEGIN PP; return VERSION; } +^[ \t]*#[ \t]*extension { BEGIN PP; return EXTENSION; } +{HASH}line{SPCP}{INT}{SPCP}{INT}{SPC}$ { + /* Eat characters until the first digit is + * encountered + */ + char *ptr = yytext; + while (!isdigit(*ptr)) + ptr++; + + /* Subtract one from the line number because + * yylineno is zero-based instead of + * one-based. + */ + yylineno = strtol(ptr, &ptr, 0) - 1; + yylloc->source = strtol(ptr, NULL, 0); + } +{HASH}line{SPCP}{INT}{SPC}$ { + /* Eat characters until the first digit is + * encountered + */ + char *ptr = yytext; + while (!isdigit(*ptr)) + ptr++; + + /* Subtract one from the line number because + * yylineno is zero-based instead of + * one-based. + */ + yylineno = strtol(ptr, &ptr, 0) - 1; + } +^{SPC}#{SPC}pragma{SPCP}debug{SPC}\({SPC}on{SPC}\) { + BEGIN PP; + return PRAGMA_DEBUG_ON; + } +^{SPC}#{SPC}pragma{SPCP}debug{SPC}\({SPC}off{SPC}\) { + BEGIN PP; + return PRAGMA_DEBUG_OFF; + } +^{SPC}#{SPC}pragma{SPCP}optimize{SPC}\({SPC}on{SPC}\) { + BEGIN PP; + return PRAGMA_OPTIMIZE_ON; + } +^{SPC}#{SPC}pragma{SPCP}optimize{SPC}\({SPC}off{SPC}\) { + BEGIN PP; + return PRAGMA_OPTIMIZE_OFF; + } +^{SPC}#{SPC}pragma{SPCP}STDGL{SPCP}invariant{SPC}\({SPC}all{SPC}\) { + BEGIN PP; + return PRAGMA_INVARIANT_ALL; + } +^{SPC}#{SPC}pragma{SPCP} { BEGIN PRAGMA; } + +\n { BEGIN 0; yylineno++; yycolumn = 0; } +. { } + +\/\/[^\n]* { } +[ \t\r]* { } +: return COLON; +[_a-zA-Z][_a-zA-Z0-9]* { + yylval->identifier = strdup(yytext); + return IDENTIFIER; + } +[1-9][0-9]* { + yylval->n = strtol(yytext, NULL, 10); + return INTCONSTANT; + } +\n { BEGIN 0; yylineno++; yycolumn = 0; return EOL; } + +\n { yylineno++; yycolumn = 0; } + +attribute return ATTRIBUTE; +const return CONST_TOK; +bool return BOOL_TOK; +float return FLOAT_TOK; +int return INT_TOK; +uint KEYWORD(130, 130, UINT_TOK); + +break return BREAK; +continue return CONTINUE; +do return DO; +while return WHILE; +else return ELSE; +for return FOR; +if return IF; +discard return DISCARD; +return return RETURN; + +bvec2 return BVEC2; +bvec3 return BVEC3; +bvec4 return BVEC4; +ivec2 return IVEC2; +ivec3 return IVEC3; +ivec4 return IVEC4; +uvec2 KEYWORD(130, 130, UVEC2); +uvec3 KEYWORD(130, 130, UVEC3); +uvec4 KEYWORD(130, 130, UVEC4); +vec2 return VEC2; +vec3 return VEC3; +vec4 return VEC4; +mat2 return MAT2X2; +mat3 return MAT3X3; +mat4 return MAT4X4; +mat2x2 KEYWORD(120, 120, MAT2X2); +mat2x3 KEYWORD(120, 120, MAT2X3); +mat2x4 KEYWORD(120, 120, MAT2X4); +mat3x2 KEYWORD(120, 120, MAT3X2); +mat3x3 KEYWORD(120, 120, MAT3X3); +mat3x4 KEYWORD(120, 120, MAT3X4); +mat4x2 KEYWORD(120, 120, MAT4X2); +mat4x3 KEYWORD(120, 120, MAT4X3); +mat4x4 KEYWORD(120, 120, MAT4X4); + +in return IN_TOK; +out return OUT_TOK; +inout return INOUT_TOK; +uniform return UNIFORM; +varying return VARYING; +centroid KEYWORD(120, 120, CENTROID); +invariant KEYWORD(120 || ES, 120 || ES, INVARIANT); +flat KEYWORD(130 || ES, 130, FLAT); +smooth KEYWORD(130, 130, SMOOTH); +noperspective KEYWORD(130, 130, NOPERSPECTIVE); + +sampler1D return SAMPLER1D; +sampler2D return SAMPLER2D; +sampler3D return SAMPLER3D; +samplerCube return SAMPLERCUBE; +sampler1DArray KEYWORD(130, 130, SAMPLER1DARRAY); +sampler2DArray KEYWORD(130, 130, SAMPLER2DARRAY); +sampler1DShadow return SAMPLER1DSHADOW; +sampler2DShadow return SAMPLER2DSHADOW; +samplerCubeShadow KEYWORD(130, 130, SAMPLERCUBESHADOW); +sampler1DArrayShadow KEYWORD(130, 130, SAMPLER1DARRAYSHADOW); +sampler2DArrayShadow KEYWORD(130, 130, SAMPLER2DARRAYSHADOW); +isampler1D KEYWORD(130, 130, ISAMPLER1D); +isampler2D KEYWORD(130, 130, ISAMPLER2D); +isampler3D KEYWORD(130, 130, ISAMPLER3D); +isamplerCube KEYWORD(130, 130, ISAMPLERCUBE); +isampler1DArray KEYWORD(130, 130, ISAMPLER1DARRAY); +isampler2DArray KEYWORD(130, 130, ISAMPLER2DARRAY); +usampler1D KEYWORD(130, 130, USAMPLER1D); +usampler2D KEYWORD(130, 130, USAMPLER2D); +usampler3D KEYWORD(130, 130, USAMPLER3D); +usamplerCube KEYWORD(130, 130, USAMPLERCUBE); +usampler1DArray KEYWORD(130, 130, USAMPLER1DARRAY); +usampler2DArray KEYWORD(130, 130, USAMPLER2DARRAY); + + +struct return STRUCT; +void return VOID_TOK; + +layout { + if ((yyextra->language_version >= 140) + || yyextra->AMD_conservative_depth_enable + || yyextra->ARB_explicit_attrib_location_enable + || yyextra->ARB_fragment_coord_conventions_enable) { + return LAYOUT_TOK; + } else { + yylval->identifier = strdup(yytext); + return IDENTIFIER; + } + } + +\+\+ return INC_OP; +-- return DEC_OP; +\<= return LE_OP; +>= return GE_OP; +== return EQ_OP; +!= return NE_OP; +&& return AND_OP; +\|\| return OR_OP; +"^^" return XOR_OP; +"<<" return LEFT_OP; +">>" return RIGHT_OP; + +\*= return MUL_ASSIGN; +\/= return DIV_ASSIGN; +\+= return ADD_ASSIGN; +\%= return MOD_ASSIGN; +\<\<= return LEFT_ASSIGN; +>>= return RIGHT_ASSIGN; +&= return AND_ASSIGN; +"^=" return XOR_ASSIGN; +\|= return OR_ASSIGN; +-= return SUB_ASSIGN; + +[1-9][0-9]*[uU]? { + yylval->n = strtol(yytext, NULL, 10); + return IS_UINT ? UINTCONSTANT : INTCONSTANT; + } +0[xX][0-9a-fA-F]+[uU]? { + yylval->n = strtol(yytext + 2, NULL, 16); + return IS_UINT ? UINTCONSTANT : INTCONSTANT; + } +0[0-7]*[uU]? { + yylval->n = strtol(yytext, NULL, 8); + return IS_UINT ? UINTCONSTANT : INTCONSTANT; + } + +[0-9]+\.[0-9]+([eE][+-]?[0-9]+)?[fF]? { + yylval->real = glsl_strtod(yytext, NULL); + return FLOATCONSTANT; + } +\.[0-9]+([eE][+-]?[0-9]+)?[fF]? { + yylval->real = glsl_strtod(yytext, NULL); + return FLOATCONSTANT; + } +[0-9]+\.([eE][+-]?[0-9]+)?[fF]? { + yylval->real = glsl_strtod(yytext, NULL); + return FLOATCONSTANT; + } +[0-9]+[eE][+-]?[0-9]+[fF]? { + yylval->real = glsl_strtod(yytext, NULL); + return FLOATCONSTANT; + } +[0-9]+[fF] { + yylval->real = glsl_strtod(yytext, NULL); + return FLOATCONSTANT; + } + +true { + yylval->n = 1; + return BOOLCONSTANT; + } +false { + yylval->n = 0; + return BOOLCONSTANT; + } + + + /* Reserved words in GLSL 1.10. */ +asm KEYWORD(110 || ES, 999, ASM); +class KEYWORD(110 || ES, 999, CLASS); +union KEYWORD(110 || ES, 999, UNION); +enum KEYWORD(110 || ES, 999, ENUM); +typedef KEYWORD(110 || ES, 999, TYPEDEF); +template KEYWORD(110 || ES, 999, TEMPLATE); +this KEYWORD(110 || ES, 999, THIS); +packed KEYWORD(110 || ES, 999, PACKED_TOK); +goto KEYWORD(110 || ES, 999, GOTO); +switch KEYWORD(110 || ES, 130, SWITCH); +default KEYWORD(110 || ES, 130, DEFAULT); +inline KEYWORD(110 || ES, 999, INLINE_TOK); +noinline KEYWORD(110 || ES, 999, NOINLINE); +volatile KEYWORD(110 || ES, 999, VOLATILE); +public KEYWORD(110 || ES, 999, PUBLIC_TOK); +static KEYWORD(110 || ES, 999, STATIC); +extern KEYWORD(110 || ES, 999, EXTERN); +external KEYWORD(110 || ES, 999, EXTERNAL); +interface KEYWORD(110 || ES, 999, INTERFACE); +long KEYWORD(110 || ES, 999, LONG_TOK); +short KEYWORD(110 || ES, 999, SHORT_TOK); +double KEYWORD(110 || ES, 400, DOUBLE_TOK); +half KEYWORD(110 || ES, 999, HALF); +fixed KEYWORD(110 || ES, 999, FIXED_TOK); +unsigned KEYWORD(110 || ES, 999, UNSIGNED); +input KEYWORD(110 || ES, 999, INPUT_TOK); +output KEYWORD(110 || ES, 999, OUTPUT); +hvec2 KEYWORD(110 || ES, 999, HVEC2); +hvec3 KEYWORD(110 || ES, 999, HVEC3); +hvec4 KEYWORD(110 || ES, 999, HVEC4); +dvec2 KEYWORD(110 || ES, 400, DVEC2); +dvec3 KEYWORD(110 || ES, 400, DVEC3); +dvec4 KEYWORD(110 || ES, 400, DVEC4); +fvec2 KEYWORD(110 || ES, 999, FVEC2); +fvec3 KEYWORD(110 || ES, 999, FVEC3); +fvec4 KEYWORD(110 || ES, 999, FVEC4); +sampler2DRect return SAMPLER2DRECT; +sampler3DRect KEYWORD(110 || ES, 999, SAMPLER3DRECT); +sampler2DRectShadow return SAMPLER2DRECTSHADOW; +sizeof KEYWORD(110 || ES, 999, SIZEOF); +cast KEYWORD(110 || ES, 999, CAST); +namespace KEYWORD(110 || ES, 999, NAMESPACE); +using KEYWORD(110 || ES, 999, USING); + + /* Additional reserved words in GLSL 1.20. */ +lowp KEYWORD(120, 130 || ES, LOWP); +mediump KEYWORD(120, 130 || ES, MEDIUMP); +highp KEYWORD(120, 130 || ES, HIGHP); +precision KEYWORD(120, 130 || ES, PRECISION); + + /* Additional reserved words in GLSL 1.30. */ +case KEYWORD(130, 130, CASE); +common KEYWORD(130, 999, COMMON); +partition KEYWORD(130, 999, PARTITION); +active KEYWORD(130, 999, ACTIVE); +superp KEYWORD(130 || ES, 999, SUPERP); +samplerBuffer KEYWORD(130, 140, SAMPLERBUFFER); +filter KEYWORD(130, 999, FILTER); +image1D KEYWORD(130, 999, IMAGE1D); +image2D KEYWORD(130, 999, IMAGE2D); +image3D KEYWORD(130, 999, IMAGE3D); +imageCube KEYWORD(130, 999, IMAGECUBE); +iimage1D KEYWORD(130, 999, IIMAGE1D); +iimage2D KEYWORD(130, 999, IIMAGE2D); +iimage3D KEYWORD(130, 999, IIMAGE3D); +iimageCube KEYWORD(130, 999, IIMAGECUBE); +uimage1D KEYWORD(130, 999, UIMAGE1D); +uimage2D KEYWORD(130, 999, UIMAGE2D); +uimage3D KEYWORD(130, 999, UIMAGE3D); +uimageCube KEYWORD(130, 999, UIMAGECUBE); +image1DArray KEYWORD(130, 999, IMAGE1DARRAY); +image2DArray KEYWORD(130, 999, IMAGE2DARRAY); +iimage1DArray KEYWORD(130, 999, IIMAGE1DARRAY); +iimage2DArray KEYWORD(130, 999, IIMAGE2DARRAY); +uimage1DArray KEYWORD(130, 999, UIMAGE1DARRAY); +uimage2DArray KEYWORD(130, 999, UIMAGE2DARRAY); +image1DShadow KEYWORD(130, 999, IMAGE1DSHADOW); +image2DShadow KEYWORD(130, 999, IMAGE2DSHADOW); +image1DArrayShadow KEYWORD(130, 999, IMAGE1DARRAYSHADOW); +image2DArrayShadow KEYWORD(130, 999, IMAGE2DARRAYSHADOW); +imageBuffer KEYWORD(130, 999, IMAGEBUFFER); +iimageBuffer KEYWORD(130, 999, IIMAGEBUFFER); +uimageBuffer KEYWORD(130, 999, UIMAGEBUFFER); +row_major KEYWORD(130, 999, ROW_MAJOR); + +[_a-zA-Z][_a-zA-Z0-9]* { + struct _mesa_glsl_parse_state *state = yyextra; + void *ctx = state; + yylval->identifier = talloc_strdup(ctx, yytext); + return IDENTIFIER; + } + +. { return yytext[0]; } + +%% + +void +_mesa_glsl_lexer_ctor(struct _mesa_glsl_parse_state *state, const char *string) +{ + yylex_init_extra(state, & state->scanner); + yy_scan_string(string, state->scanner); +} + +void +_mesa_glsl_lexer_dtor(struct _mesa_glsl_parse_state *state) +{ + yylex_destroy(state->scanner); +} diff --git a/mesalib/src/glsl/glsl_parser.cpp b/mesalib/src/glsl/glsl_parser.cpp index 8b196ae7f..360676cf8 100644 --- a/mesalib/src/glsl/glsl_parser.cpp +++ b/mesalib/src/glsl/glsl_parser.cpp @@ -821,20 +821,20 @@ static const yytype_uint16 yyrline[] = 770, 777, 782, 793, 806, 809, 814, 819, 828, 832, 833, 842, 851, 860, 869, 878, 891, 902, 911, 920, 929, 938, 947, 956, 970, 977, 988, 995, 996, 1015, - 1044, 1085, 1090, 1095, 1103, 1111, 1112, 1113, 1118, 1119, - 1124, 1129, 1135, 1143, 1148, 1153, 1158, 1164, 1169, 1174, - 1179, 1184, 1192, 1196, 1204, 1205, 1211, 1220, 1226, 1232, - 1241, 1242, 1243, 1244, 1245, 1246, 1247, 1248, 1249, 1250, - 1251, 1252, 1253, 1254, 1255, 1256, 1257, 1258, 1259, 1260, - 1261, 1262, 1263, 1264, 1265, 1266, 1267, 1268, 1269, 1270, - 1271, 1272, 1273, 1274, 1275, 1276, 1277, 1278, 1279, 1280, - 1281, 1282, 1283, 1284, 1285, 1286, 1287, 1288, 1289, 1290, - 1291, 1295, 1305, 1315, 1328, 1334, 1343, 1348, 1356, 1371, - 1376, 1384, 1390, 1399, 1403, 1409, 1410, 1414, 1415, 1416, - 1417, 1418, 1419, 1420, 1424, 1430, 1439, 1440, 1444, 1450, - 1459, 1469, 1481, 1487, 1496, 1505, 1510, 1518, 1522, 1536, - 1540, 1541, 1545, 1552, 1559, 1569, 1570, 1574, 1576, 1582, - 1587, 1596, 1602, 1608, 1614, 1620, 1629, 1630, 1631, 1635 + 1067, 1108, 1113, 1118, 1126, 1134, 1135, 1136, 1141, 1142, + 1147, 1152, 1158, 1166, 1171, 1176, 1181, 1187, 1192, 1197, + 1202, 1207, 1215, 1219, 1227, 1228, 1234, 1243, 1249, 1255, + 1264, 1265, 1266, 1267, 1268, 1269, 1270, 1271, 1272, 1273, + 1274, 1275, 1276, 1277, 1278, 1279, 1280, 1281, 1282, 1283, + 1284, 1285, 1286, 1287, 1288, 1289, 1290, 1291, 1292, 1293, + 1294, 1295, 1296, 1297, 1298, 1299, 1300, 1301, 1302, 1303, + 1304, 1305, 1306, 1307, 1308, 1309, 1310, 1311, 1312, 1313, + 1314, 1318, 1328, 1338, 1351, 1357, 1366, 1371, 1379, 1394, + 1399, 1407, 1413, 1422, 1426, 1432, 1433, 1437, 1438, 1439, + 1440, 1441, 1442, 1443, 1447, 1453, 1462, 1463, 1467, 1473, + 1482, 1492, 1504, 1510, 1519, 1528, 1533, 1541, 1545, 1559, + 1563, 1564, 1568, 1575, 1582, 1592, 1593, 1597, 1599, 1605, + 1610, 1619, 1625, 1631, 1637, 1643, 1652, 1653, 1654, 1658 }; #endif @@ -3946,7 +3946,8 @@ yyreduce: memset(& (yyval.type_qualifier), 0, sizeof((yyval.type_qualifier))); - if (state->ARB_fragment_coord_conventions_enable) { + /* Layout qualifiers for ARB_fragment_coord_conventions. */ + if (!got_one && state->ARB_fragment_coord_conventions_enable) { if (strcmp((yyvsp[(1) - (1)].identifier), "origin_upper_left") == 0) { got_one = true; (yyval.type_qualifier).flags.q.origin_upper_left = 1; @@ -3954,19 +3955,41 @@ yyreduce: got_one = true; (yyval.type_qualifier).flags.q.pixel_center_integer = 1; } + + if (got_one && state->ARB_fragment_coord_conventions_warn) { + _mesa_glsl_warning(& (yylsp[(1) - (1)]), state, + "GL_ARB_fragment_coord_conventions layout " + "identifier `%s' used\n", (yyvsp[(1) - (1)].identifier)); + } + } + + /* Layout qualifiers for AMD_conservative_depth. */ + if (!got_one && state->AMD_conservative_depth_enable) { + if (strcmp((yyvsp[(1) - (1)].identifier), "depth_any") == 0) { + got_one = true; + (yyval.type_qualifier).flags.q.depth_any = 1; + } else if (strcmp((yyvsp[(1) - (1)].identifier), "depth_greater") == 0) { + got_one = true; + (yyval.type_qualifier).flags.q.depth_greater = 1; + } else if (strcmp((yyvsp[(1) - (1)].identifier), "depth_less") == 0) { + got_one = true; + (yyval.type_qualifier).flags.q.depth_less = 1; + } else if (strcmp((yyvsp[(1) - (1)].identifier), "depth_unchanged") == 0) { + got_one = true; + (yyval.type_qualifier).flags.q.depth_unchanged = 1; + } + + if (got_one && state->AMD_conservative_depth_warn) { + _mesa_glsl_warning(& (yylsp[(1) - (1)]), state, + "GL_AMD_conservative_depth " + "layout qualifier `%s' is used\n", (yyvsp[(1) - (1)].identifier)); + } } - /* If the identifier didn't match any known layout identifiers, - * emit an error. - */ if (!got_one) { _mesa_glsl_error(& (yylsp[(1) - (1)]), state, "unrecognized layout identifier " "`%s'\n", (yyvsp[(1) - (1)].identifier)); YYERROR; - } else if (state->ARB_fragment_coord_conventions_warn) { - _mesa_glsl_warning(& (yylsp[(1) - (1)]), state, - "GL_ARB_fragment_coord_conventions layout " - "identifier `%s' used\n", (yyvsp[(1) - (1)].identifier)); } ;} break; @@ -3974,7 +3997,7 @@ yyreduce: case 140: /* Line 1464 of yacc.c */ -#line 1045 "glsl_parser.ypp" +#line 1068 "glsl_parser.ypp" { bool got_one = false; @@ -4017,7 +4040,7 @@ yyreduce: case 141: /* Line 1464 of yacc.c */ -#line 1086 "glsl_parser.ypp" +#line 1109 "glsl_parser.ypp" { memset(& (yyval.type_qualifier), 0, sizeof((yyval.type_qualifier))); (yyval.type_qualifier).flags.q.smooth = 1; @@ -4027,7 +4050,7 @@ yyreduce: case 142: /* Line 1464 of yacc.c */ -#line 1091 "glsl_parser.ypp" +#line 1114 "glsl_parser.ypp" { memset(& (yyval.type_qualifier), 0, sizeof((yyval.type_qualifier))); (yyval.type_qualifier).flags.q.flat = 1; @@ -4037,7 +4060,7 @@ yyreduce: case 143: /* Line 1464 of yacc.c */ -#line 1096 "glsl_parser.ypp" +#line 1119 "glsl_parser.ypp" { memset(& (yyval.type_qualifier), 0, sizeof((yyval.type_qualifier))); (yyval.type_qualifier).flags.q.noperspective = 1; @@ -4047,7 +4070,7 @@ yyreduce: case 144: /* Line 1464 of yacc.c */ -#line 1104 "glsl_parser.ypp" +#line 1127 "glsl_parser.ypp" { memset(& (yyval.type_qualifier), 0, sizeof((yyval.type_qualifier))); (yyval.type_qualifier).flags.q.constant = 1; @@ -4057,7 +4080,7 @@ yyreduce: case 147: /* Line 1464 of yacc.c */ -#line 1114 "glsl_parser.ypp" +#line 1137 "glsl_parser.ypp" { (yyval.type_qualifier) = (yyvsp[(1) - (2)].type_qualifier); (yyval.type_qualifier).flags.i |= (yyvsp[(2) - (2)].type_qualifier).flags.i; @@ -4067,7 +4090,7 @@ yyreduce: case 149: /* Line 1464 of yacc.c */ -#line 1120 "glsl_parser.ypp" +#line 1143 "glsl_parser.ypp" { (yyval.type_qualifier) = (yyvsp[(1) - (2)].type_qualifier); (yyval.type_qualifier).flags.i |= (yyvsp[(2) - (2)].type_qualifier).flags.i; @@ -4077,7 +4100,7 @@ yyreduce: case 150: /* Line 1464 of yacc.c */ -#line 1125 "glsl_parser.ypp" +#line 1148 "glsl_parser.ypp" { (yyval.type_qualifier) = (yyvsp[(2) - (2)].type_qualifier); (yyval.type_qualifier).flags.q.invariant = 1; @@ -4087,7 +4110,7 @@ yyreduce: case 151: /* Line 1464 of yacc.c */ -#line 1130 "glsl_parser.ypp" +#line 1153 "glsl_parser.ypp" { (yyval.type_qualifier) = (yyvsp[(2) - (3)].type_qualifier); (yyval.type_qualifier).flags.i |= (yyvsp[(3) - (3)].type_qualifier).flags.i; @@ -4098,7 +4121,7 @@ yyreduce: case 152: /* Line 1464 of yacc.c */ -#line 1136 "glsl_parser.ypp" +#line 1159 "glsl_parser.ypp" { memset(& (yyval.type_qualifier), 0, sizeof((yyval.type_qualifier))); (yyval.type_qualifier).flags.q.invariant = 1; @@ -4108,7 +4131,7 @@ yyreduce: case 153: /* Line 1464 of yacc.c */ -#line 1144 "glsl_parser.ypp" +#line 1167 "glsl_parser.ypp" { memset(& (yyval.type_qualifier), 0, sizeof((yyval.type_qualifier))); (yyval.type_qualifier).flags.q.constant = 1; @@ -4118,7 +4141,7 @@ yyreduce: case 154: /* Line 1464 of yacc.c */ -#line 1149 "glsl_parser.ypp" +#line 1172 "glsl_parser.ypp" { memset(& (yyval.type_qualifier), 0, sizeof((yyval.type_qualifier))); (yyval.type_qualifier).flags.q.attribute = 1; @@ -4128,7 +4151,7 @@ yyreduce: case 155: /* Line 1464 of yacc.c */ -#line 1154 "glsl_parser.ypp" +#line 1177 "glsl_parser.ypp" { memset(& (yyval.type_qualifier), 0, sizeof((yyval.type_qualifier))); (yyval.type_qualifier).flags.q.varying = 1; @@ -4138,7 +4161,7 @@ yyreduce: case 156: /* Line 1464 of yacc.c */ -#line 1159 "glsl_parser.ypp" +#line 1182 "glsl_parser.ypp" { memset(& (yyval.type_qualifier), 0, sizeof((yyval.type_qualifier))); (yyval.type_qualifier).flags.q.centroid = 1; @@ -4149,7 +4172,7 @@ yyreduce: case 157: /* Line 1464 of yacc.c */ -#line 1165 "glsl_parser.ypp" +#line 1188 "glsl_parser.ypp" { memset(& (yyval.type_qualifier), 0, sizeof((yyval.type_qualifier))); (yyval.type_qualifier).flags.q.in = 1; @@ -4159,7 +4182,7 @@ yyreduce: case 158: /* Line 1464 of yacc.c */ -#line 1170 "glsl_parser.ypp" +#line 1193 "glsl_parser.ypp" { memset(& (yyval.type_qualifier), 0, sizeof((yyval.type_qualifier))); (yyval.type_qualifier).flags.q.out = 1; @@ -4169,7 +4192,7 @@ yyreduce: case 159: /* Line 1464 of yacc.c */ -#line 1175 "glsl_parser.ypp" +#line 1198 "glsl_parser.ypp" { memset(& (yyval.type_qualifier), 0, sizeof((yyval.type_qualifier))); (yyval.type_qualifier).flags.q.centroid = 1; (yyval.type_qualifier).flags.q.in = 1; @@ -4179,7 +4202,7 @@ yyreduce: case 160: /* Line 1464 of yacc.c */ -#line 1180 "glsl_parser.ypp" +#line 1203 "glsl_parser.ypp" { memset(& (yyval.type_qualifier), 0, sizeof((yyval.type_qualifier))); (yyval.type_qualifier).flags.q.centroid = 1; (yyval.type_qualifier).flags.q.out = 1; @@ -4189,7 +4212,7 @@ yyreduce: case 161: /* Line 1464 of yacc.c */ -#line 1185 "glsl_parser.ypp" +#line 1208 "glsl_parser.ypp" { memset(& (yyval.type_qualifier), 0, sizeof((yyval.type_qualifier))); (yyval.type_qualifier).flags.q.uniform = 1; @@ -4199,7 +4222,7 @@ yyreduce: case 162: /* Line 1464 of yacc.c */ -#line 1193 "glsl_parser.ypp" +#line 1216 "glsl_parser.ypp" { (yyval.type_specifier) = (yyvsp[(1) - (1)].type_specifier); ;} @@ -4208,7 +4231,7 @@ yyreduce: case 163: /* Line 1464 of yacc.c */ -#line 1197 "glsl_parser.ypp" +#line 1220 "glsl_parser.ypp" { (yyval.type_specifier) = (yyvsp[(2) - (2)].type_specifier); (yyval.type_specifier)->precision = (yyvsp[(1) - (2)].n); @@ -4218,7 +4241,7 @@ yyreduce: case 165: /* Line 1464 of yacc.c */ -#line 1206 "glsl_parser.ypp" +#line 1229 "glsl_parser.ypp" { (yyval.type_specifier) = (yyvsp[(1) - (3)].type_specifier); (yyval.type_specifier)->is_array = true; @@ -4229,7 +4252,7 @@ yyreduce: case 166: /* Line 1464 of yacc.c */ -#line 1212 "glsl_parser.ypp" +#line 1235 "glsl_parser.ypp" { (yyval.type_specifier) = (yyvsp[(1) - (4)].type_specifier); (yyval.type_specifier)->is_array = true; @@ -4240,7 +4263,7 @@ yyreduce: case 167: /* Line 1464 of yacc.c */ -#line 1221 "glsl_parser.ypp" +#line 1244 "glsl_parser.ypp" { void *ctx = state; (yyval.type_specifier) = new(ctx) ast_type_specifier((yyvsp[(1) - (1)].n)); @@ -4251,7 +4274,7 @@ yyreduce: case 168: /* Line 1464 of yacc.c */ -#line 1227 "glsl_parser.ypp" +#line 1250 "glsl_parser.ypp" { void *ctx = state; (yyval.type_specifier) = new(ctx) ast_type_specifier((yyvsp[(1) - (1)].struct_specifier)); @@ -4262,7 +4285,7 @@ yyreduce: case 169: /* Line 1464 of yacc.c */ -#line 1233 "glsl_parser.ypp" +#line 1256 "glsl_parser.ypp" { void *ctx = state; (yyval.type_specifier) = new(ctx) ast_type_specifier((yyvsp[(1) - (1)].identifier)); @@ -4273,364 +4296,364 @@ yyreduce: case 170: /* Line 1464 of yacc.c */ -#line 1241 "glsl_parser.ypp" +#line 1264 "glsl_parser.ypp" { (yyval.n) = ast_void; ;} break; case 171: /* Line 1464 of yacc.c */ -#line 1242 "glsl_parser.ypp" +#line 1265 "glsl_parser.ypp" { (yyval.n) = ast_float; ;} break; case 172: /* Line 1464 of yacc.c */ -#line 1243 "glsl_parser.ypp" +#line 1266 "glsl_parser.ypp" { (yyval.n) = ast_int; ;} break; case 173: /* Line 1464 of yacc.c */ -#line 1244 "glsl_parser.ypp" +#line 1267 "glsl_parser.ypp" { (yyval.n) = ast_uint; ;} break; case 174: /* Line 1464 of yacc.c */ -#line 1245 "glsl_parser.ypp" +#line 1268 "glsl_parser.ypp" { (yyval.n) = ast_bool; ;} break; case 175: /* Line 1464 of yacc.c */ -#line 1246 "glsl_parser.ypp" +#line 1269 "glsl_parser.ypp" { (yyval.n) = ast_vec2; ;} break; case 176: /* Line 1464 of yacc.c */ -#line 1247 "glsl_parser.ypp" +#line 1270 "glsl_parser.ypp" { (yyval.n) = ast_vec3; ;} break; case 177: /* Line 1464 of yacc.c */ -#line 1248 "glsl_parser.ypp" +#line 1271 "glsl_parser.ypp" { (yyval.n) = ast_vec4; ;} break; case 178: /* Line 1464 of yacc.c */ -#line 1249 "glsl_parser.ypp" +#line 1272 "glsl_parser.ypp" { (yyval.n) = ast_bvec2; ;} break; case 179: /* Line 1464 of yacc.c */ -#line 1250 "glsl_parser.ypp" +#line 1273 "glsl_parser.ypp" { (yyval.n) = ast_bvec3; ;} break; case 180: /* Line 1464 of yacc.c */ -#line 1251 "glsl_parser.ypp" +#line 1274 "glsl_parser.ypp" { (yyval.n) = ast_bvec4; ;} break; case 181: /* Line 1464 of yacc.c */ -#line 1252 "glsl_parser.ypp" +#line 1275 "glsl_parser.ypp" { (yyval.n) = ast_ivec2; ;} break; case 182: /* Line 1464 of yacc.c */ -#line 1253 "glsl_parser.ypp" +#line 1276 "glsl_parser.ypp" { (yyval.n) = ast_ivec3; ;} break; case 183: /* Line 1464 of yacc.c */ -#line 1254 "glsl_parser.ypp" +#line 1277 "glsl_parser.ypp" { (yyval.n) = ast_ivec4; ;} break; case 184: /* Line 1464 of yacc.c */ -#line 1255 "glsl_parser.ypp" +#line 1278 "glsl_parser.ypp" { (yyval.n) = ast_uvec2; ;} break; case 185: /* Line 1464 of yacc.c */ -#line 1256 "glsl_parser.ypp" +#line 1279 "glsl_parser.ypp" { (yyval.n) = ast_uvec3; ;} break; case 186: /* Line 1464 of yacc.c */ -#line 1257 "glsl_parser.ypp" +#line 1280 "glsl_parser.ypp" { (yyval.n) = ast_uvec4; ;} break; case 187: /* Line 1464 of yacc.c */ -#line 1258 "glsl_parser.ypp" +#line 1281 "glsl_parser.ypp" { (yyval.n) = ast_mat2; ;} break; case 188: /* Line 1464 of yacc.c */ -#line 1259 "glsl_parser.ypp" +#line 1282 "glsl_parser.ypp" { (yyval.n) = ast_mat2x3; ;} break; case 189: /* Line 1464 of yacc.c */ -#line 1260 "glsl_parser.ypp" +#line 1283 "glsl_parser.ypp" { (yyval.n) = ast_mat2x4; ;} break; case 190: /* Line 1464 of yacc.c */ -#line 1261 "glsl_parser.ypp" +#line 1284 "glsl_parser.ypp" { (yyval.n) = ast_mat3x2; ;} break; case 191: /* Line 1464 of yacc.c */ -#line 1262 "glsl_parser.ypp" +#line 1285 "glsl_parser.ypp" { (yyval.n) = ast_mat3; ;} break; case 192: /* Line 1464 of yacc.c */ -#line 1263 "glsl_parser.ypp" +#line 1286 "glsl_parser.ypp" { (yyval.n) = ast_mat3x4; ;} break; case 193: /* Line 1464 of yacc.c */ -#line 1264 "glsl_parser.ypp" +#line 1287 "glsl_parser.ypp" { (yyval.n) = ast_mat4x2; ;} break; case 194: /* Line 1464 of yacc.c */ -#line 1265 "glsl_parser.ypp" +#line 1288 "glsl_parser.ypp" { (yyval.n) = ast_mat4x3; ;} break; case 195: /* Line 1464 of yacc.c */ -#line 1266 "glsl_parser.ypp" +#line 1289 "glsl_parser.ypp" { (yyval.n) = ast_mat4; ;} break; case 196: /* Line 1464 of yacc.c */ -#line 1267 "glsl_parser.ypp" +#line 1290 "glsl_parser.ypp" { (yyval.n) = ast_sampler1d; ;} break; case 197: /* Line 1464 of yacc.c */ -#line 1268 "glsl_parser.ypp" +#line 1291 "glsl_parser.ypp" { (yyval.n) = ast_sampler2d; ;} break; case 198: /* Line 1464 of yacc.c */ -#line 1269 "glsl_parser.ypp" +#line 1292 "glsl_parser.ypp" { (yyval.n) = ast_sampler2drect; ;} break; case 199: /* Line 1464 of yacc.c */ -#line 1270 "glsl_parser.ypp" +#line 1293 "glsl_parser.ypp" { (yyval.n) = ast_sampler3d; ;} break; case 200: /* Line 1464 of yacc.c */ -#line 1271 "glsl_parser.ypp" +#line 1294 "glsl_parser.ypp" { (yyval.n) = ast_samplercube; ;} break; case 201: /* Line 1464 of yacc.c */ -#line 1272 "glsl_parser.ypp" +#line 1295 "glsl_parser.ypp" { (yyval.n) = ast_sampler1dshadow; ;} break; case 202: /* Line 1464 of yacc.c */ -#line 1273 "glsl_parser.ypp" +#line 1296 "glsl_parser.ypp" { (yyval.n) = ast_sampler2dshadow; ;} break; case 203: /* Line 1464 of yacc.c */ -#line 1274 "glsl_parser.ypp" +#line 1297 "glsl_parser.ypp" { (yyval.n) = ast_sampler2drectshadow; ;} break; case 204: /* Line 1464 of yacc.c */ -#line 1275 "glsl_parser.ypp" +#line 1298 "glsl_parser.ypp" { (yyval.n) = ast_samplercubeshadow; ;} break; case 205: /* Line 1464 of yacc.c */ -#line 1276 "glsl_parser.ypp" +#line 1299 "glsl_parser.ypp" { (yyval.n) = ast_sampler1darray; ;} break; case 206: /* Line 1464 of yacc.c */ -#line 1277 "glsl_parser.ypp" +#line 1300 "glsl_parser.ypp" { (yyval.n) = ast_sampler2darray; ;} break; case 207: /* Line 1464 of yacc.c */ -#line 1278 "glsl_parser.ypp" +#line 1301 "glsl_parser.ypp" { (yyval.n) = ast_sampler1darrayshadow; ;} break; case 208: /* Line 1464 of yacc.c */ -#line 1279 "glsl_parser.ypp" +#line 1302 "glsl_parser.ypp" { (yyval.n) = ast_sampler2darrayshadow; ;} break; case 209: /* Line 1464 of yacc.c */ -#line 1280 "glsl_parser.ypp" +#line 1303 "glsl_parser.ypp" { (yyval.n) = ast_isampler1d; ;} break; case 210: /* Line 1464 of yacc.c */ -#line 1281 "glsl_parser.ypp" +#line 1304 "glsl_parser.ypp" { (yyval.n) = ast_isampler2d; ;} break; case 211: /* Line 1464 of yacc.c */ -#line 1282 "glsl_parser.ypp" +#line 1305 "glsl_parser.ypp" { (yyval.n) = ast_isampler3d; ;} break; case 212: /* Line 1464 of yacc.c */ -#line 1283 "glsl_parser.ypp" +#line 1306 "glsl_parser.ypp" { (yyval.n) = ast_isamplercube; ;} break; case 213: /* Line 1464 of yacc.c */ -#line 1284 "glsl_parser.ypp" +#line 1307 "glsl_parser.ypp" { (yyval.n) = ast_isampler1darray; ;} break; case 214: /* Line 1464 of yacc.c */ -#line 1285 "glsl_parser.ypp" +#line 1308 "glsl_parser.ypp" { (yyval.n) = ast_isampler2darray; ;} break; case 215: /* Line 1464 of yacc.c */ -#line 1286 "glsl_parser.ypp" +#line 1309 "glsl_parser.ypp" { (yyval.n) = ast_usampler1d; ;} break; case 216: /* Line 1464 of yacc.c */ -#line 1287 "glsl_parser.ypp" +#line 1310 "glsl_parser.ypp" { (yyval.n) = ast_usampler2d; ;} break; case 217: /* Line 1464 of yacc.c */ -#line 1288 "glsl_parser.ypp" +#line 1311 "glsl_parser.ypp" { (yyval.n) = ast_usampler3d; ;} break; case 218: /* Line 1464 of yacc.c */ -#line 1289 "glsl_parser.ypp" +#line 1312 "glsl_parser.ypp" { (yyval.n) = ast_usamplercube; ;} break; case 219: /* Line 1464 of yacc.c */ -#line 1290 "glsl_parser.ypp" +#line 1313 "glsl_parser.ypp" { (yyval.n) = ast_usampler1darray; ;} break; case 220: /* Line 1464 of yacc.c */ -#line 1291 "glsl_parser.ypp" +#line 1314 "glsl_parser.ypp" { (yyval.n) = ast_usampler2darray; ;} break; case 221: /* Line 1464 of yacc.c */ -#line 1295 "glsl_parser.ypp" +#line 1318 "glsl_parser.ypp" { if (!state->es_shader && state->language_version < 130) _mesa_glsl_error(& (yylsp[(1) - (1)]), state, @@ -4646,7 +4669,7 @@ yyreduce: case 222: /* Line 1464 of yacc.c */ -#line 1305 "glsl_parser.ypp" +#line 1328 "glsl_parser.ypp" { if (!state->es_shader && state->language_version < 130) _mesa_glsl_error(& (yylsp[(1) - (1)]), state, @@ -4662,7 +4685,7 @@ yyreduce: case 223: /* Line 1464 of yacc.c */ -#line 1315 "glsl_parser.ypp" +#line 1338 "glsl_parser.ypp" { if (!state->es_shader && state->language_version < 130) _mesa_glsl_error(& (yylsp[(1) - (1)]), state, @@ -4678,7 +4701,7 @@ yyreduce: case 224: /* Line 1464 of yacc.c */ -#line 1329 "glsl_parser.ypp" +#line 1352 "glsl_parser.ypp" { void *ctx = state; (yyval.struct_specifier) = new(ctx) ast_struct_specifier((yyvsp[(2) - (5)].identifier), (yyvsp[(4) - (5)].node)); @@ -4689,7 +4712,7 @@ yyreduce: case 225: /* Line 1464 of yacc.c */ -#line 1335 "glsl_parser.ypp" +#line 1358 "glsl_parser.ypp" { void *ctx = state; (yyval.struct_specifier) = new(ctx) ast_struct_specifier(NULL, (yyvsp[(3) - (4)].node)); @@ -4700,7 +4723,7 @@ yyreduce: case 226: /* Line 1464 of yacc.c */ -#line 1344 "glsl_parser.ypp" +#line 1367 "glsl_parser.ypp" { (yyval.node) = (ast_node *) (yyvsp[(1) - (1)].declarator_list); (yyvsp[(1) - (1)].declarator_list)->link.self_link(); @@ -4710,7 +4733,7 @@ yyreduce: case 227: /* Line 1464 of yacc.c */ -#line 1349 "glsl_parser.ypp" +#line 1372 "glsl_parser.ypp" { (yyval.node) = (ast_node *) (yyvsp[(1) - (2)].node); (yyval.node)->link.insert_before(& (yyvsp[(2) - (2)].declarator_list)->link); @@ -4720,7 +4743,7 @@ yyreduce: case 228: /* Line 1464 of yacc.c */ -#line 1357 "glsl_parser.ypp" +#line 1380 "glsl_parser.ypp" { void *ctx = state; ast_fully_specified_type *type = new(ctx) ast_fully_specified_type(); @@ -4737,7 +4760,7 @@ yyreduce: case 229: /* Line 1464 of yacc.c */ -#line 1372 "glsl_parser.ypp" +#line 1395 "glsl_parser.ypp" { (yyval.declaration) = (yyvsp[(1) - (1)].declaration); (yyvsp[(1) - (1)].declaration)->link.self_link(); @@ -4747,7 +4770,7 @@ yyreduce: case 230: /* Line 1464 of yacc.c */ -#line 1377 "glsl_parser.ypp" +#line 1400 "glsl_parser.ypp" { (yyval.declaration) = (yyvsp[(1) - (3)].declaration); (yyval.declaration)->link.insert_before(& (yyvsp[(3) - (3)].declaration)->link); @@ -4757,7 +4780,7 @@ yyreduce: case 231: /* Line 1464 of yacc.c */ -#line 1385 "glsl_parser.ypp" +#line 1408 "glsl_parser.ypp" { void *ctx = state; (yyval.declaration) = new(ctx) ast_declaration((yyvsp[(1) - (1)].identifier), false, NULL, NULL); @@ -4768,7 +4791,7 @@ yyreduce: case 232: /* Line 1464 of yacc.c */ -#line 1391 "glsl_parser.ypp" +#line 1414 "glsl_parser.ypp" { void *ctx = state; (yyval.declaration) = new(ctx) ast_declaration((yyvsp[(1) - (4)].identifier), true, (yyvsp[(3) - (4)].expression), NULL); @@ -4779,28 +4802,28 @@ yyreduce: case 235: /* Line 1464 of yacc.c */ -#line 1409 "glsl_parser.ypp" +#line 1432 "glsl_parser.ypp" { (yyval.node) = (ast_node *) (yyvsp[(1) - (1)].compound_statement); ;} break; case 240: /* Line 1464 of yacc.c */ -#line 1417 "glsl_parser.ypp" +#line 1440 "glsl_parser.ypp" { (yyval.node) = NULL; ;} break; case 241: /* Line 1464 of yacc.c */ -#line 1418 "glsl_parser.ypp" +#line 1441 "glsl_parser.ypp" { (yyval.node) = NULL; ;} break; case 244: /* Line 1464 of yacc.c */ -#line 1425 "glsl_parser.ypp" +#line 1448 "glsl_parser.ypp" { void *ctx = state; (yyval.compound_statement) = new(ctx) ast_compound_statement(true, NULL); @@ -4811,7 +4834,7 @@ yyreduce: case 245: /* Line 1464 of yacc.c */ -#line 1431 "glsl_parser.ypp" +#line 1454 "glsl_parser.ypp" { void *ctx = state; (yyval.compound_statement) = new(ctx) ast_compound_statement(true, (yyvsp[(2) - (3)].node)); @@ -4822,14 +4845,14 @@ yyreduce: case 246: /* Line 1464 of yacc.c */ -#line 1439 "glsl_parser.ypp" +#line 1462 "glsl_parser.ypp" { (yyval.node) = (ast_node *) (yyvsp[(1) - (1)].compound_statement); ;} break; case 248: /* Line 1464 of yacc.c */ -#line 1445 "glsl_parser.ypp" +#line 1468 "glsl_parser.ypp" { void *ctx = state; (yyval.compound_statement) = new(ctx) ast_compound_statement(false, NULL); @@ -4840,7 +4863,7 @@ yyreduce: case 249: /* Line 1464 of yacc.c */ -#line 1451 "glsl_parser.ypp" +#line 1474 "glsl_parser.ypp" { void *ctx = state; (yyval.compound_statement) = new(ctx) ast_compound_statement(false, (yyvsp[(2) - (3)].node)); @@ -4851,7 +4874,7 @@ yyreduce: case 250: /* Line 1464 of yacc.c */ -#line 1460 "glsl_parser.ypp" +#line 1483 "glsl_parser.ypp" { if ((yyvsp[(1) - (1)].node) == NULL) { _mesa_glsl_error(& (yylsp[(1) - (1)]), state, " statement\n"); @@ -4866,7 +4889,7 @@ yyreduce: case 251: /* Line 1464 of yacc.c */ -#line 1470 "glsl_parser.ypp" +#line 1493 "glsl_parser.ypp" { if ((yyvsp[(2) - (2)].node) == NULL) { _mesa_glsl_error(& (yylsp[(2) - (2)]), state, " statement\n"); @@ -4880,7 +4903,7 @@ yyreduce: case 252: /* Line 1464 of yacc.c */ -#line 1482 "glsl_parser.ypp" +#line 1505 "glsl_parser.ypp" { void *ctx = state; (yyval.node) = new(ctx) ast_expression_statement(NULL); @@ -4891,7 +4914,7 @@ yyreduce: case 253: /* Line 1464 of yacc.c */ -#line 1488 "glsl_parser.ypp" +#line 1511 "glsl_parser.ypp" { void *ctx = state; (yyval.node) = new(ctx) ast_expression_statement((yyvsp[(1) - (2)].expression)); @@ -4902,7 +4925,7 @@ yyreduce: case 254: /* Line 1464 of yacc.c */ -#line 1497 "glsl_parser.ypp" +#line 1520 "glsl_parser.ypp" { (yyval.node) = new(state) ast_selection_statement((yyvsp[(3) - (5)].expression), (yyvsp[(5) - (5)].selection_rest_statement).then_statement, (yyvsp[(5) - (5)].selection_rest_statement).else_statement); @@ -4913,7 +4936,7 @@ yyreduce: case 255: /* Line 1464 of yacc.c */ -#line 1506 "glsl_parser.ypp" +#line 1529 "glsl_parser.ypp" { (yyval.selection_rest_statement).then_statement = (yyvsp[(1) - (3)].node); (yyval.selection_rest_statement).else_statement = (yyvsp[(3) - (3)].node); @@ -4923,7 +4946,7 @@ yyreduce: case 256: /* Line 1464 of yacc.c */ -#line 1511 "glsl_parser.ypp" +#line 1534 "glsl_parser.ypp" { (yyval.selection_rest_statement).then_statement = (yyvsp[(1) - (1)].node); (yyval.selection_rest_statement).else_statement = NULL; @@ -4933,7 +4956,7 @@ yyreduce: case 257: /* Line 1464 of yacc.c */ -#line 1519 "glsl_parser.ypp" +#line 1542 "glsl_parser.ypp" { (yyval.node) = (ast_node *) (yyvsp[(1) - (1)].expression); ;} @@ -4942,7 +4965,7 @@ yyreduce: case 258: /* Line 1464 of yacc.c */ -#line 1523 "glsl_parser.ypp" +#line 1546 "glsl_parser.ypp" { void *ctx = state; ast_declaration *decl = new(ctx) ast_declaration((yyvsp[(2) - (4)].identifier), false, NULL, (yyvsp[(4) - (4)].expression)); @@ -4958,7 +4981,7 @@ yyreduce: case 262: /* Line 1464 of yacc.c */ -#line 1546 "glsl_parser.ypp" +#line 1569 "glsl_parser.ypp" { void *ctx = state; (yyval.node) = new(ctx) ast_iteration_statement(ast_iteration_statement::ast_while, @@ -4970,7 +4993,7 @@ yyreduce: case 263: /* Line 1464 of yacc.c */ -#line 1553 "glsl_parser.ypp" +#line 1576 "glsl_parser.ypp" { void *ctx = state; (yyval.node) = new(ctx) ast_iteration_statement(ast_iteration_statement::ast_do_while, @@ -4982,7 +5005,7 @@ yyreduce: case 264: /* Line 1464 of yacc.c */ -#line 1560 "glsl_parser.ypp" +#line 1583 "glsl_parser.ypp" { void *ctx = state; (yyval.node) = new(ctx) ast_iteration_statement(ast_iteration_statement::ast_for, @@ -4994,7 +5017,7 @@ yyreduce: case 268: /* Line 1464 of yacc.c */ -#line 1576 "glsl_parser.ypp" +#line 1599 "glsl_parser.ypp" { (yyval.node) = NULL; ;} @@ -5003,7 +5026,7 @@ yyreduce: case 269: /* Line 1464 of yacc.c */ -#line 1583 "glsl_parser.ypp" +#line 1606 "glsl_parser.ypp" { (yyval.for_rest_statement).cond = (yyvsp[(1) - (2)].node); (yyval.for_rest_statement).rest = NULL; @@ -5013,7 +5036,7 @@ yyreduce: case 270: /* Line 1464 of yacc.c */ -#line 1588 "glsl_parser.ypp" +#line 1611 "glsl_parser.ypp" { (yyval.for_rest_statement).cond = (yyvsp[(1) - (3)].node); (yyval.for_rest_statement).rest = (yyvsp[(3) - (3)].expression); @@ -5023,7 +5046,7 @@ yyreduce: case 271: /* Line 1464 of yacc.c */ -#line 1597 "glsl_parser.ypp" +#line 1620 "glsl_parser.ypp" { void *ctx = state; (yyval.node) = new(ctx) ast_jump_statement(ast_jump_statement::ast_continue, NULL); @@ -5034,7 +5057,7 @@ yyreduce: case 272: /* Line 1464 of yacc.c */ -#line 1603 "glsl_parser.ypp" +#line 1626 "glsl_parser.ypp" { void *ctx = state; (yyval.node) = new(ctx) ast_jump_statement(ast_jump_statement::ast_break, NULL); @@ -5045,7 +5068,7 @@ yyreduce: case 273: /* Line 1464 of yacc.c */ -#line 1609 "glsl_parser.ypp" +#line 1632 "glsl_parser.ypp" { void *ctx = state; (yyval.node) = new(ctx) ast_jump_statement(ast_jump_statement::ast_return, NULL); @@ -5056,7 +5079,7 @@ yyreduce: case 274: /* Line 1464 of yacc.c */ -#line 1615 "glsl_parser.ypp" +#line 1638 "glsl_parser.ypp" { void *ctx = state; (yyval.node) = new(ctx) ast_jump_statement(ast_jump_statement::ast_return, (yyvsp[(2) - (3)].expression)); @@ -5067,7 +5090,7 @@ yyreduce: case 275: /* Line 1464 of yacc.c */ -#line 1621 "glsl_parser.ypp" +#line 1644 "glsl_parser.ypp" { void *ctx = state; (yyval.node) = new(ctx) ast_jump_statement(ast_jump_statement::ast_discard, NULL); @@ -5078,28 +5101,28 @@ yyreduce: case 276: /* Line 1464 of yacc.c */ -#line 1629 "glsl_parser.ypp" +#line 1652 "glsl_parser.ypp" { (yyval.node) = (yyvsp[(1) - (1)].function_definition); ;} break; case 277: /* Line 1464 of yacc.c */ -#line 1630 "glsl_parser.ypp" +#line 1653 "glsl_parser.ypp" { (yyval.node) = (yyvsp[(1) - (1)].node); ;} break; case 278: /* Line 1464 of yacc.c */ -#line 1631 "glsl_parser.ypp" +#line 1654 "glsl_parser.ypp" { (yyval.node) = NULL; ;} break; case 279: /* Line 1464 of yacc.c */ -#line 1636 "glsl_parser.ypp" +#line 1659 "glsl_parser.ypp" { void *ctx = state; (yyval.function_definition) = new(ctx) ast_function_definition(); @@ -5112,7 +5135,7 @@ yyreduce: /* Line 1464 of yacc.c */ -#line 5116 "glsl_parser.cpp" +#line 5139 "glsl_parser.cpp" default: break; } YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc); diff --git a/mesalib/src/glsl/glsl_parser.ypp b/mesalib/src/glsl/glsl_parser.ypp index 3982167c4..3955648eb 100644 --- a/mesalib/src/glsl/glsl_parser.ypp +++ b/mesalib/src/glsl/glsl_parser.ypp @@ -1018,7 +1018,8 @@ layout_qualifier_id: memset(& $$, 0, sizeof($$)); - if (state->ARB_fragment_coord_conventions_enable) { + /* Layout qualifiers for ARB_fragment_coord_conventions. */ + if (!got_one && state->ARB_fragment_coord_conventions_enable) { if (strcmp($1, "origin_upper_left") == 0) { got_one = true; $$.flags.q.origin_upper_left = 1; @@ -1026,19 +1027,41 @@ layout_qualifier_id: got_one = true; $$.flags.q.pixel_center_integer = 1; } + + if (got_one && state->ARB_fragment_coord_conventions_warn) { + _mesa_glsl_warning(& @1, state, + "GL_ARB_fragment_coord_conventions layout " + "identifier `%s' used\n", $1); + } + } + + /* Layout qualifiers for AMD_conservative_depth. */ + if (!got_one && state->AMD_conservative_depth_enable) { + if (strcmp($1, "depth_any") == 0) { + got_one = true; + $$.flags.q.depth_any = 1; + } else if (strcmp($1, "depth_greater") == 0) { + got_one = true; + $$.flags.q.depth_greater = 1; + } else if (strcmp($1, "depth_less") == 0) { + got_one = true; + $$.flags.q.depth_less = 1; + } else if (strcmp($1, "depth_unchanged") == 0) { + got_one = true; + $$.flags.q.depth_unchanged = 1; + } + + if (got_one && state->AMD_conservative_depth_warn) { + _mesa_glsl_warning(& @1, state, + "GL_AMD_conservative_depth " + "layout qualifier `%s' is used\n", $1); + } } - /* If the identifier didn't match any known layout identifiers, - * emit an error. - */ if (!got_one) { _mesa_glsl_error(& @1, state, "unrecognized layout identifier " "`%s'\n", $1); YYERROR; - } else if (state->ARB_fragment_coord_conventions_warn) { - _mesa_glsl_warning(& @1, state, - "GL_ARB_fragment_coord_conventions layout " - "identifier `%s' used\n", $1); } } | IDENTIFIER '=' INTCONSTANT diff --git a/mesalib/src/glsl/glsl_parser_extras.cpp b/mesalib/src/glsl/glsl_parser_extras.cpp index 77885d4e1..c9a8a2cb2 100644 --- a/mesalib/src/glsl/glsl_parser_extras.cpp +++ b/mesalib/src/glsl/glsl_parser_extras.cpp @@ -219,6 +219,13 @@ _mesa_glsl_process_extension(const char *name, YYLTYPE *name_locp, state->ARB_shader_stencil_export_warn = (ext_mode == extension_warn); unsupported = !state->extensions->ARB_shader_stencil_export; } + } else if (strcmp(name, "GL_AMD_conservative_depth") == 0) { + /* The AMD_conservative spec does not forbid requiring the extension in + * the vertex shader. + */ + state->AMD_conservative_depth_enable = (ext_mode != extension_disable); + state->AMD_conservative_depth_warn = (ext_mode == extension_warn); + unsupported = !state->extensions->AMD_conservative_depth; } else { unsupported = true; } diff --git a/mesalib/src/glsl/glsl_parser_extras.h b/mesalib/src/glsl/glsl_parser_extras.h index 9c16d5de8..92029e2e8 100644 --- a/mesalib/src/glsl/glsl_parser_extras.h +++ b/mesalib/src/glsl/glsl_parser_extras.h @@ -1,249 +1,251 @@ -/* - * Copyright © 2010 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - */ - -#pragma once -#ifndef GLSL_PARSER_EXTRAS_H -#define GLSL_PARSER_EXTRAS_H - -/* - * Most of the definitions here only apply to C++ - */ -#ifdef __cplusplus - - -#include -#include "glsl_symbol_table.h" - -enum _mesa_glsl_parser_targets { - vertex_shader, - geometry_shader, - fragment_shader -}; - -struct gl_context; - -struct _mesa_glsl_parse_state { - _mesa_glsl_parse_state(struct gl_context *ctx, GLenum target, - void *mem_ctx); - - /* Callers of this talloc-based new need not call delete. It's - * easier to just talloc_free 'ctx' (or any of its ancestors). */ - static void* operator new(size_t size, void *ctx) - { - void *mem = talloc_zero_size(ctx, size); - assert(mem != NULL); - - return mem; - } - - /* If the user *does* call delete, that's OK, we will just - * talloc_free in that case. */ - static void operator delete(void *mem) - { - talloc_free(mem); - } - - void *scanner; - exec_list translation_unit; - glsl_symbol_table *symbols; - - bool es_shader; - unsigned language_version; - const char *version_string; - enum _mesa_glsl_parser_targets target; - - /** - * Implementation defined limits that affect built-in variables, etc. - * - * \sa struct gl_constants (in mtypes.h) - */ - struct { - /* 1.10 */ - unsigned MaxLights; - unsigned MaxClipPlanes; - unsigned MaxTextureUnits; - unsigned MaxTextureCoords; - unsigned MaxVertexAttribs; - unsigned MaxVertexUniformComponents; - unsigned MaxVaryingFloats; - unsigned MaxVertexTextureImageUnits; - unsigned MaxCombinedTextureImageUnits; - unsigned MaxTextureImageUnits; - unsigned MaxFragmentUniformComponents; - - /* ARB_draw_buffers */ - unsigned MaxDrawBuffers; - } Const; - - /** - * During AST to IR conversion, pointer to current IR function - * - * Will be \c NULL whenever the AST to IR conversion is not inside a - * function definition. - */ - class ir_function_signature *current_function; - - /** Have we found a return statement in this function? */ - bool found_return; - - /** Was there an error during compilation? */ - bool error; - - /** - * Are all shader inputs / outputs invariant? - * - * This is set when the 'STDGL invariant(all)' pragma is used. - */ - bool all_invariant; - - /** Loop or switch statement containing the current instructions. */ - class ir_instruction *loop_or_switch_nesting; - class ast_iteration_statement *loop_or_switch_nesting_ast; - - /** List of structures defined in user code. */ - const glsl_type **user_structures; - unsigned num_user_structures; - - char *info_log; - - /** - * \name Enable bits for GLSL extensions - */ - /*@{*/ - unsigned ARB_draw_buffers_enable:1; - unsigned ARB_draw_buffers_warn:1; - unsigned ARB_draw_instanced_enable:1; - unsigned ARB_draw_instanced_warn:1; - unsigned ARB_explicit_attrib_location_enable:1; - unsigned ARB_explicit_attrib_location_warn:1; - unsigned ARB_fragment_coord_conventions_enable:1; - unsigned ARB_fragment_coord_conventions_warn:1; - unsigned ARB_texture_rectangle_enable:1; - unsigned ARB_texture_rectangle_warn:1; - unsigned EXT_texture_array_enable:1; - unsigned EXT_texture_array_warn:1; - unsigned ARB_shader_stencil_export_enable:1; - unsigned ARB_shader_stencil_export_warn:1; - /*@}*/ - - /** Extensions supported by the OpenGL implementation. */ - const struct gl_extensions *extensions; - - /** Shaders containing built-in functions that are used for linking. */ - struct gl_shader *builtins_to_link[16]; - unsigned num_builtins_to_link; -}; - -typedef struct YYLTYPE { - int first_line; - int first_column; - int last_line; - int last_column; - unsigned source; -} YYLTYPE; -# define YYLTYPE_IS_DECLARED 1 -# define YYLTYPE_IS_TRIVIAL 1 - -# define YYLLOC_DEFAULT(Current, Rhs, N) \ -do { \ - if (N) \ - { \ - (Current).first_line = YYRHSLOC(Rhs, 1).first_line; \ - (Current).first_column = YYRHSLOC(Rhs, 1).first_column; \ - (Current).last_line = YYRHSLOC(Rhs, N).last_line; \ - (Current).last_column = YYRHSLOC(Rhs, N).last_column; \ - } \ - else \ - { \ - (Current).first_line = (Current).last_line = \ - YYRHSLOC(Rhs, 0).last_line; \ - (Current).first_column = (Current).last_column = \ - YYRHSLOC(Rhs, 0).last_column; \ - } \ - (Current).source = 0; \ -} while (0) - -extern void _mesa_glsl_error(YYLTYPE *locp, _mesa_glsl_parse_state *state, - const char *fmt, ...); - -/** - * Emit a warning to the shader log - * - * \sa _mesa_glsl_error - */ -extern void _mesa_glsl_warning(const YYLTYPE *locp, - _mesa_glsl_parse_state *state, - const char *fmt, ...); - -extern void _mesa_glsl_lexer_ctor(struct _mesa_glsl_parse_state *state, - const char *string); - -extern void _mesa_glsl_lexer_dtor(struct _mesa_glsl_parse_state *state); - -union YYSTYPE; -extern int _mesa_glsl_lex(union YYSTYPE *yylval, YYLTYPE *yylloc, - void *scanner); - -extern int _mesa_glsl_parse(struct _mesa_glsl_parse_state *); - -/** - * Process elements of the #extension directive - * - * \return - * If \c name and \c behavior are valid, \c true is returned. Otherwise - * \c false is returned. - */ -extern bool _mesa_glsl_process_extension(const char *name, YYLTYPE *name_locp, - const char *behavior, - YYLTYPE *behavior_locp, - _mesa_glsl_parse_state *state); - -/** - * Get the textual name of the specified shader target - */ -extern const char * -_mesa_glsl_shader_target_name(enum _mesa_glsl_parser_targets target); - - -#endif /* __cplusplus */ - - -/* - * These definitions apply to C and C++ - */ -#ifdef __cplusplus -extern "C" { -#endif - -extern int preprocess(void *ctx, const char **shader, char **info_log, - const struct gl_extensions *extensions, int api); - -extern void _mesa_destroy_shader_compiler(); -extern void _mesa_destroy_shader_compiler_caches(); - -#ifdef __cplusplus -} -#endif - - -#endif /* GLSL_PARSER_EXTRAS_H */ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#pragma once +#ifndef GLSL_PARSER_EXTRAS_H +#define GLSL_PARSER_EXTRAS_H + +/* + * Most of the definitions here only apply to C++ + */ +#ifdef __cplusplus + + +#include +#include "glsl_symbol_table.h" + +enum _mesa_glsl_parser_targets { + vertex_shader, + geometry_shader, + fragment_shader +}; + +struct gl_context; + +struct _mesa_glsl_parse_state { + _mesa_glsl_parse_state(struct gl_context *ctx, GLenum target, + void *mem_ctx); + + /* Callers of this talloc-based new need not call delete. It's + * easier to just talloc_free 'ctx' (or any of its ancestors). */ + static void* operator new(size_t size, void *ctx) + { + void *mem = talloc_zero_size(ctx, size); + assert(mem != NULL); + + return mem; + } + + /* If the user *does* call delete, that's OK, we will just + * talloc_free in that case. */ + static void operator delete(void *mem) + { + talloc_free(mem); + } + + void *scanner; + exec_list translation_unit; + glsl_symbol_table *symbols; + + bool es_shader; + unsigned language_version; + const char *version_string; + enum _mesa_glsl_parser_targets target; + + /** + * Implementation defined limits that affect built-in variables, etc. + * + * \sa struct gl_constants (in mtypes.h) + */ + struct { + /* 1.10 */ + unsigned MaxLights; + unsigned MaxClipPlanes; + unsigned MaxTextureUnits; + unsigned MaxTextureCoords; + unsigned MaxVertexAttribs; + unsigned MaxVertexUniformComponents; + unsigned MaxVaryingFloats; + unsigned MaxVertexTextureImageUnits; + unsigned MaxCombinedTextureImageUnits; + unsigned MaxTextureImageUnits; + unsigned MaxFragmentUniformComponents; + + /* ARB_draw_buffers */ + unsigned MaxDrawBuffers; + } Const; + + /** + * During AST to IR conversion, pointer to current IR function + * + * Will be \c NULL whenever the AST to IR conversion is not inside a + * function definition. + */ + class ir_function_signature *current_function; + + /** Have we found a return statement in this function? */ + bool found_return; + + /** Was there an error during compilation? */ + bool error; + + /** + * Are all shader inputs / outputs invariant? + * + * This is set when the 'STDGL invariant(all)' pragma is used. + */ + bool all_invariant; + + /** Loop or switch statement containing the current instructions. */ + class ir_instruction *loop_or_switch_nesting; + class ast_iteration_statement *loop_or_switch_nesting_ast; + + /** List of structures defined in user code. */ + const glsl_type **user_structures; + unsigned num_user_structures; + + char *info_log; + + /** + * \name Enable bits for GLSL extensions + */ + /*@{*/ + unsigned ARB_draw_buffers_enable:1; + unsigned ARB_draw_buffers_warn:1; + unsigned ARB_draw_instanced_enable:1; + unsigned ARB_draw_instanced_warn:1; + unsigned ARB_explicit_attrib_location_enable:1; + unsigned ARB_explicit_attrib_location_warn:1; + unsigned ARB_fragment_coord_conventions_enable:1; + unsigned ARB_fragment_coord_conventions_warn:1; + unsigned ARB_texture_rectangle_enable:1; + unsigned ARB_texture_rectangle_warn:1; + unsigned EXT_texture_array_enable:1; + unsigned EXT_texture_array_warn:1; + unsigned ARB_shader_stencil_export_enable:1; + unsigned ARB_shader_stencil_export_warn:1; + unsigned AMD_conservative_depth_enable:1; + unsigned AMD_conservative_depth_warn:1; + /*@}*/ + + /** Extensions supported by the OpenGL implementation. */ + const struct gl_extensions *extensions; + + /** Shaders containing built-in functions that are used for linking. */ + struct gl_shader *builtins_to_link[16]; + unsigned num_builtins_to_link; +}; + +typedef struct YYLTYPE { + int first_line; + int first_column; + int last_line; + int last_column; + unsigned source; +} YYLTYPE; +# define YYLTYPE_IS_DECLARED 1 +# define YYLTYPE_IS_TRIVIAL 1 + +# define YYLLOC_DEFAULT(Current, Rhs, N) \ +do { \ + if (N) \ + { \ + (Current).first_line = YYRHSLOC(Rhs, 1).first_line; \ + (Current).first_column = YYRHSLOC(Rhs, 1).first_column; \ + (Current).last_line = YYRHSLOC(Rhs, N).last_line; \ + (Current).last_column = YYRHSLOC(Rhs, N).last_column; \ + } \ + else \ + { \ + (Current).first_line = (Current).last_line = \ + YYRHSLOC(Rhs, 0).last_line; \ + (Current).first_column = (Current).last_column = \ + YYRHSLOC(Rhs, 0).last_column; \ + } \ + (Current).source = 0; \ +} while (0) + +extern void _mesa_glsl_error(YYLTYPE *locp, _mesa_glsl_parse_state *state, + const char *fmt, ...); + +/** + * Emit a warning to the shader log + * + * \sa _mesa_glsl_error + */ +extern void _mesa_glsl_warning(const YYLTYPE *locp, + _mesa_glsl_parse_state *state, + const char *fmt, ...); + +extern void _mesa_glsl_lexer_ctor(struct _mesa_glsl_parse_state *state, + const char *string); + +extern void _mesa_glsl_lexer_dtor(struct _mesa_glsl_parse_state *state); + +union YYSTYPE; +extern int _mesa_glsl_lex(union YYSTYPE *yylval, YYLTYPE *yylloc, + void *scanner); + +extern int _mesa_glsl_parse(struct _mesa_glsl_parse_state *); + +/** + * Process elements of the #extension directive + * + * \return + * If \c name and \c behavior are valid, \c true is returned. Otherwise + * \c false is returned. + */ +extern bool _mesa_glsl_process_extension(const char *name, YYLTYPE *name_locp, + const char *behavior, + YYLTYPE *behavior_locp, + _mesa_glsl_parse_state *state); + +/** + * Get the textual name of the specified shader target + */ +extern const char * +_mesa_glsl_shader_target_name(enum _mesa_glsl_parser_targets target); + + +#endif /* __cplusplus */ + + +/* + * These definitions apply to C and C++ + */ +#ifdef __cplusplus +extern "C" { +#endif + +extern int preprocess(void *ctx, const char **shader, char **info_log, + const struct gl_extensions *extensions, int api); + +extern void _mesa_destroy_shader_compiler(); +extern void _mesa_destroy_shader_compiler_caches(); + +#ifdef __cplusplus +} +#endif + + +#endif /* GLSL_PARSER_EXTRAS_H */ diff --git a/mesalib/src/glsl/ir.cpp b/mesalib/src/glsl/ir.cpp index 28fe3f4ac..b4ceb5bba 100644 --- a/mesalib/src/glsl/ir.cpp +++ b/mesalib/src/glsl/ir.cpp @@ -1,1544 +1,1561 @@ -/* - * Copyright © 2010 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - */ -#include -#include "main/core.h" /* for MAX2 */ -#include "ir.h" -#include "ir_visitor.h" -#include "glsl_types.h" - -ir_rvalue::ir_rvalue() -{ - this->type = glsl_type::error_type; -} - -bool ir_rvalue::is_zero() const -{ - return false; -} - -bool ir_rvalue::is_one() const -{ - return false; -} - -bool ir_rvalue::is_negative_one() const -{ - return false; -} - -/** - * Modify the swizzle make to move one component to another - * - * \param m IR swizzle to be modified - * \param from Component in the RHS that is to be swizzled - * \param to Desired swizzle location of \c from - */ -static void -update_rhs_swizzle(ir_swizzle_mask &m, unsigned from, unsigned to) -{ - switch (to) { - case 0: m.x = from; break; - case 1: m.y = from; break; - case 2: m.z = from; break; - case 3: m.w = from; break; - default: assert(!"Should not get here."); - } - - m.num_components = MAX2(m.num_components, (to + 1)); -} - -void -ir_assignment::set_lhs(ir_rvalue *lhs) -{ - void *mem_ctx = this; - bool swizzled = false; - - while (lhs != NULL) { - ir_swizzle *swiz = lhs->as_swizzle(); - - if (swiz == NULL) - break; - - unsigned write_mask = 0; - ir_swizzle_mask rhs_swiz = { 0, 0, 0, 0, 0, 0 }; - - for (unsigned i = 0; i < swiz->mask.num_components; i++) { - unsigned c = 0; - - switch (i) { - case 0: c = swiz->mask.x; break; - case 1: c = swiz->mask.y; break; - case 2: c = swiz->mask.z; break; - case 3: c = swiz->mask.w; break; - default: assert(!"Should not get here."); - } - - write_mask |= (((this->write_mask >> i) & 1) << c); - update_rhs_swizzle(rhs_swiz, i, c); - } - - this->write_mask = write_mask; - lhs = swiz->val; - - this->rhs = new(mem_ctx) ir_swizzle(this->rhs, rhs_swiz); - swizzled = true; - } - - if (swizzled) { - /* Now, RHS channels line up with the LHS writemask. Collapse it - * to just the channels that will be written. - */ - ir_swizzle_mask rhs_swiz = { 0, 0, 0, 0, 0, 0 }; - int rhs_chan = 0; - for (int i = 0; i < 4; i++) { - if (write_mask & (1 << i)) - update_rhs_swizzle(rhs_swiz, i, rhs_chan++); - } - this->rhs = new(mem_ctx) ir_swizzle(this->rhs, rhs_swiz); - } - - assert((lhs == NULL) || lhs->as_dereference()); - - this->lhs = (ir_dereference *) lhs; -} - -ir_variable * -ir_assignment::whole_variable_written() -{ - ir_variable *v = this->lhs->whole_variable_referenced(); - - if (v == NULL) - return NULL; - - if (v->type->is_scalar()) - return v; - - if (v->type->is_vector()) { - const unsigned mask = (1U << v->type->vector_elements) - 1; - - if (mask != this->write_mask) - return NULL; - } - - /* Either all the vector components are assigned or the variable is some - * composite type (and the whole thing is assigned. - */ - return v; -} - -ir_assignment::ir_assignment(ir_dereference *lhs, ir_rvalue *rhs, - ir_rvalue *condition, unsigned write_mask) -{ - this->ir_type = ir_type_assignment; - this->condition = condition; - this->rhs = rhs; - this->lhs = lhs; - this->write_mask = write_mask; - - if (lhs->type->is_scalar() || lhs->type->is_vector()) { - int lhs_components = 0; - for (int i = 0; i < 4; i++) { - if (write_mask & (1 << i)) - lhs_components++; - } - - assert(lhs_components == this->rhs->type->vector_elements); - } -} - -ir_assignment::ir_assignment(ir_rvalue *lhs, ir_rvalue *rhs, - ir_rvalue *condition) -{ - this->ir_type = ir_type_assignment; - this->condition = condition; - this->rhs = rhs; - - /* If the RHS is a vector type, assume that all components of the vector - * type are being written to the LHS. The write mask comes from the RHS - * because we can have a case where the LHS is a vec4 and the RHS is a - * vec3. In that case, the assignment is: - * - * (assign (...) (xyz) (var_ref lhs) (var_ref rhs)) - */ - if (rhs->type->is_vector()) - this->write_mask = (1U << rhs->type->vector_elements) - 1; - else if (rhs->type->is_scalar()) - this->write_mask = 1; - else - this->write_mask = 0; - - this->set_lhs(lhs); -} - - -ir_expression::ir_expression(int op, const struct glsl_type *type, - ir_rvalue *op0) -{ - assert(get_num_operands(ir_expression_operation(op)) == 1); - this->ir_type = ir_type_expression; - this->type = type; - this->operation = ir_expression_operation(op); - this->operands[0] = op0; - this->operands[1] = NULL; - this->operands[2] = NULL; - this->operands[3] = NULL; -} - -ir_expression::ir_expression(int op, const struct glsl_type *type, - ir_rvalue *op0, ir_rvalue *op1) -{ - assert(((op1 == NULL) && (get_num_operands(ir_expression_operation(op)) == 1)) - || (get_num_operands(ir_expression_operation(op)) == 2)); - this->ir_type = ir_type_expression; - this->type = type; - this->operation = ir_expression_operation(op); - this->operands[0] = op0; - this->operands[1] = op1; - this->operands[2] = NULL; - this->operands[3] = NULL; -} - -ir_expression::ir_expression(int op, const struct glsl_type *type, - ir_rvalue *op0, ir_rvalue *op1, - ir_rvalue *op2, ir_rvalue *op3) -{ - this->ir_type = ir_type_expression; - this->type = type; - this->operation = ir_expression_operation(op); - this->operands[0] = op0; - this->operands[1] = op1; - this->operands[2] = op2; - this->operands[3] = op3; -} - -ir_expression::ir_expression(int op, ir_rvalue *op0) -{ - this->ir_type = ir_type_expression; - - this->operation = ir_expression_operation(op); - this->operands[0] = op0; - this->operands[1] = NULL; - this->operands[2] = NULL; - this->operands[3] = NULL; - - assert(op <= ir_last_unop); - - switch (this->operation) { - case ir_unop_bit_not: - case ir_unop_logic_not: - case ir_unop_neg: - case ir_unop_abs: - case ir_unop_sign: - case ir_unop_rcp: - case ir_unop_rsq: - case ir_unop_sqrt: - case ir_unop_exp: - case ir_unop_log: - case ir_unop_exp2: - case ir_unop_log2: - case ir_unop_trunc: - case ir_unop_ceil: - case ir_unop_floor: - case ir_unop_fract: - case ir_unop_round_even: - case ir_unop_sin: - case ir_unop_cos: - case ir_unop_sin_reduced: - case ir_unop_cos_reduced: - case ir_unop_dFdx: - case ir_unop_dFdy: - this->type = op0->type; - break; - - case ir_unop_f2i: - case ir_unop_b2i: - this->type = glsl_type::get_instance(GLSL_TYPE_INT, - op0->type->vector_elements, 1); - break; - - case ir_unop_b2f: - case ir_unop_i2f: - case ir_unop_u2f: - this->type = glsl_type::get_instance(GLSL_TYPE_FLOAT, - op0->type->vector_elements, 1); - break; - - case ir_unop_f2b: - case ir_unop_i2b: - this->type = glsl_type::get_instance(GLSL_TYPE_BOOL, - op0->type->vector_elements, 1); - break; - - case ir_unop_noise: - this->type = glsl_type::float_type; - break; - - case ir_unop_any: - this->type = glsl_type::bool_type; - break; - - default: - assert(!"not reached: missing automatic type setup for ir_expression"); - this->type = op0->type; - break; - } -} - -ir_expression::ir_expression(int op, ir_rvalue *op0, ir_rvalue *op1) -{ - this->ir_type = ir_type_expression; - - this->operation = ir_expression_operation(op); - this->operands[0] = op0; - this->operands[1] = op1; - this->operands[2] = NULL; - this->operands[3] = NULL; - - assert(op > ir_last_unop); - - switch (this->operation) { - case ir_binop_all_equal: - case ir_binop_any_nequal: - this->type = glsl_type::bool_type; - break; - - case ir_binop_add: - case ir_binop_sub: - case ir_binop_min: - case ir_binop_max: - case ir_binop_pow: - case ir_binop_mul: - case ir_binop_div: - case ir_binop_mod: - if (op0->type->is_scalar()) { - this->type = op1->type; - } else if (op1->type->is_scalar()) { - this->type = op0->type; - } else { - /* FINISHME: matrix types */ - assert(!op0->type->is_matrix() && !op1->type->is_matrix()); - assert(op0->type == op1->type); - this->type = op0->type; - } - break; - - case ir_binop_logic_and: - case ir_binop_logic_xor: - case ir_binop_logic_or: - case ir_binop_bit_and: - case ir_binop_bit_xor: - case ir_binop_bit_or: - if (op0->type->is_scalar()) { - this->type = op1->type; - } else if (op1->type->is_scalar()) { - this->type = op0->type; - } - break; - - case ir_binop_equal: - case ir_binop_nequal: - case ir_binop_lequal: - case ir_binop_gequal: - case ir_binop_less: - case ir_binop_greater: - assert(op0->type == op1->type); - this->type = glsl_type::get_instance(GLSL_TYPE_BOOL, - op0->type->vector_elements, 1); - break; - - case ir_binop_dot: - this->type = glsl_type::float_type; - break; - - case ir_binop_lshift: - case ir_binop_rshift: - this->type = op0->type; - break; - - default: - assert(!"not reached: missing automatic type setup for ir_expression"); - this->type = glsl_type::float_type; - } -} - -unsigned int -ir_expression::get_num_operands(ir_expression_operation op) -{ - assert(op <= ir_last_opcode); - - if (op <= ir_last_unop) - return 1; - - if (op <= ir_last_binop) - return 2; - - if (op == ir_quadop_vector) - return 4; - - assert(false); - return 0; -} - -static const char *const operator_strs[] = { - "~", - "!", - "neg", - "abs", - "sign", - "rcp", - "rsq", - "sqrt", - "exp", - "log", - "exp2", - "log2", - "f2i", - "i2f", - "f2b", - "b2f", - "i2b", - "b2i", - "u2f", - "any", - "trunc", - "ceil", - "floor", - "fract", - "round_even", - "sin", - "cos", - "sin_reduced", - "cos_reduced", - "dFdx", - "dFdy", - "noise", - "+", - "-", - "*", - "/", - "%", - "<", - ">", - "<=", - ">=", - "==", - "!=", - "all_equal", - "any_nequal", - "<<", - ">>", - "&", - "^", - "|", - "&&", - "^^", - "||", - "dot", - "min", - "max", - "pow", - "vector", -}; - -const char *ir_expression::operator_string(ir_expression_operation op) -{ - assert((unsigned int) op < Elements(operator_strs)); - assert(Elements(operator_strs) == (ir_quadop_vector + 1)); - return operator_strs[op]; -} - -const char *ir_expression::operator_string() -{ - return operator_string(this->operation); -} - -ir_expression_operation -ir_expression::get_operator(const char *str) -{ - const int operator_count = sizeof(operator_strs) / sizeof(operator_strs[0]); - for (int op = 0; op < operator_count; op++) { - if (strcmp(str, operator_strs[op]) == 0) - return (ir_expression_operation) op; - } - return (ir_expression_operation) -1; -} - -ir_constant::ir_constant() -{ - this->ir_type = ir_type_constant; -} - -ir_constant::ir_constant(const struct glsl_type *type, - const ir_constant_data *data) -{ - assert((type->base_type >= GLSL_TYPE_UINT) - && (type->base_type <= GLSL_TYPE_BOOL)); - - this->ir_type = ir_type_constant; - this->type = type; - memcpy(& this->value, data, sizeof(this->value)); -} - -ir_constant::ir_constant(float f) -{ - this->ir_type = ir_type_constant; - this->type = glsl_type::float_type; - this->value.f[0] = f; - for (int i = 1; i < 16; i++) { - this->value.f[i] = 0; - } -} - -ir_constant::ir_constant(unsigned int u) -{ - this->ir_type = ir_type_constant; - this->type = glsl_type::uint_type; - this->value.u[0] = u; - for (int i = 1; i < 16; i++) { - this->value.u[i] = 0; - } -} - -ir_constant::ir_constant(int i) -{ - this->ir_type = ir_type_constant; - this->type = glsl_type::int_type; - this->value.i[0] = i; - for (int i = 1; i < 16; i++) { - this->value.i[i] = 0; - } -} - -ir_constant::ir_constant(bool b) -{ - this->ir_type = ir_type_constant; - this->type = glsl_type::bool_type; - this->value.b[0] = b; - for (int i = 1; i < 16; i++) { - this->value.b[i] = false; - } -} - -ir_constant::ir_constant(const ir_constant *c, unsigned i) -{ - this->ir_type = ir_type_constant; - this->type = c->type->get_base_type(); - - switch (this->type->base_type) { - case GLSL_TYPE_UINT: this->value.u[0] = c->value.u[i]; break; - case GLSL_TYPE_INT: this->value.i[0] = c->value.i[i]; break; - case GLSL_TYPE_FLOAT: this->value.f[0] = c->value.f[i]; break; - case GLSL_TYPE_BOOL: this->value.b[0] = c->value.b[i]; break; - default: assert(!"Should not get here."); break; - } -} - -ir_constant::ir_constant(const struct glsl_type *type, exec_list *value_list) -{ - this->ir_type = ir_type_constant; - this->type = type; - - assert(type->is_scalar() || type->is_vector() || type->is_matrix() - || type->is_record() || type->is_array()); - - if (type->is_array()) { - this->array_elements = talloc_array(this, ir_constant *, type->length); - unsigned i = 0; - foreach_list(node, value_list) { - ir_constant *value = (ir_constant *) node; - assert(value->as_constant() != NULL); - - this->array_elements[i++] = value; - } - return; - } - - /* If the constant is a record, the types of each of the entries in - * value_list must be a 1-for-1 match with the structure components. Each - * entry must also be a constant. Just move the nodes from the value_list - * to the list in the ir_constant. - */ - /* FINISHME: Should there be some type checking and / or assertions here? */ - /* FINISHME: Should the new constant take ownership of the nodes from - * FINISHME: value_list, or should it make copies? - */ - if (type->is_record()) { - value_list->move_nodes_to(& this->components); - return; - } - - for (unsigned i = 0; i < 16; i++) { - this->value.u[i] = 0; - } - - ir_constant *value = (ir_constant *) (value_list->head); - - /* Constructors with exactly one scalar argument are special for vectors - * and matrices. For vectors, the scalar value is replicated to fill all - * the components. For matrices, the scalar fills the components of the - * diagonal while the rest is filled with 0. - */ - if (value->type->is_scalar() && value->next->is_tail_sentinel()) { - if (type->is_matrix()) { - /* Matrix - fill diagonal (rest is already set to 0) */ - assert(type->base_type == GLSL_TYPE_FLOAT); - for (unsigned i = 0; i < type->matrix_columns; i++) - this->value.f[i * type->vector_elements + i] = value->value.f[0]; - } else { - /* Vector or scalar - fill all components */ - switch (type->base_type) { - case GLSL_TYPE_UINT: - case GLSL_TYPE_INT: - for (unsigned i = 0; i < type->components(); i++) - this->value.u[i] = value->value.u[0]; - break; - case GLSL_TYPE_FLOAT: - for (unsigned i = 0; i < type->components(); i++) - this->value.f[i] = value->value.f[0]; - break; - case GLSL_TYPE_BOOL: - for (unsigned i = 0; i < type->components(); i++) - this->value.b[i] = value->value.b[0]; - break; - default: - assert(!"Should not get here."); - break; - } - } - return; - } - - if (type->is_matrix() && value->type->is_matrix()) { - assert(value->next->is_tail_sentinel()); - - /* From section 5.4.2 of the GLSL 1.20 spec: - * "If a matrix is constructed from a matrix, then each component - * (column i, row j) in the result that has a corresponding component - * (column i, row j) in the argument will be initialized from there." - */ - unsigned cols = MIN2(type->matrix_columns, value->type->matrix_columns); - unsigned rows = MIN2(type->vector_elements, value->type->vector_elements); - for (unsigned i = 0; i < cols; i++) { - for (unsigned j = 0; j < rows; j++) { - const unsigned src = i * value->type->vector_elements + j; - const unsigned dst = i * type->vector_elements + j; - this->value.f[dst] = value->value.f[src]; - } - } - - /* "All other components will be initialized to the identity matrix." */ - for (unsigned i = cols; i < type->matrix_columns; i++) - this->value.f[i * type->vector_elements + i] = 1.0; - - return; - } - - /* Use each component from each entry in the value_list to initialize one - * component of the constant being constructed. - */ - for (unsigned i = 0; i < type->components(); /* empty */) { - assert(value->as_constant() != NULL); - assert(!value->is_tail_sentinel()); - - for (unsigned j = 0; j < value->type->components(); j++) { - switch (type->base_type) { - case GLSL_TYPE_UINT: - this->value.u[i] = value->get_uint_component(j); - break; - case GLSL_TYPE_INT: - this->value.i[i] = value->get_int_component(j); - break; - case GLSL_TYPE_FLOAT: - this->value.f[i] = value->get_float_component(j); - break; - case GLSL_TYPE_BOOL: - this->value.b[i] = value->get_bool_component(j); - break; - default: - /* FINISHME: What to do? Exceptions are not the answer. - */ - break; - } - - i++; - if (i >= type->components()) - break; - } - - value = (ir_constant *) value->next; - } -} - -ir_constant * -ir_constant::zero(void *mem_ctx, const glsl_type *type) -{ - assert(type->is_numeric() || type->is_boolean()); - - ir_constant *c = new(mem_ctx) ir_constant; - c->type = type; - memset(&c->value, 0, sizeof(c->value)); - - return c; -} - -bool -ir_constant::get_bool_component(unsigned i) const -{ - switch (this->type->base_type) { - case GLSL_TYPE_UINT: return this->value.u[i] != 0; - case GLSL_TYPE_INT: return this->value.i[i] != 0; - case GLSL_TYPE_FLOAT: return ((int)this->value.f[i]) != 0; - case GLSL_TYPE_BOOL: return this->value.b[i]; - default: assert(!"Should not get here."); break; - } - - /* Must return something to make the compiler happy. This is clearly an - * error case. - */ - return false; -} - -float -ir_constant::get_float_component(unsigned i) const -{ - switch (this->type->base_type) { - case GLSL_TYPE_UINT: return (float) this->value.u[i]; - case GLSL_TYPE_INT: return (float) this->value.i[i]; - case GLSL_TYPE_FLOAT: return this->value.f[i]; - case GLSL_TYPE_BOOL: return this->value.b[i] ? 1.0 : 0.0; - default: assert(!"Should not get here."); break; - } - - /* Must return something to make the compiler happy. This is clearly an - * error case. - */ - return 0.0; -} - -int -ir_constant::get_int_component(unsigned i) const -{ - switch (this->type->base_type) { - case GLSL_TYPE_UINT: return this->value.u[i]; - case GLSL_TYPE_INT: return this->value.i[i]; - case GLSL_TYPE_FLOAT: return (int) this->value.f[i]; - case GLSL_TYPE_BOOL: return this->value.b[i] ? 1 : 0; - default: assert(!"Should not get here."); break; - } - - /* Must return something to make the compiler happy. This is clearly an - * error case. - */ - return 0; -} - -unsigned -ir_constant::get_uint_component(unsigned i) const -{ - switch (this->type->base_type) { - case GLSL_TYPE_UINT: return this->value.u[i]; - case GLSL_TYPE_INT: return this->value.i[i]; - case GLSL_TYPE_FLOAT: return (unsigned) this->value.f[i]; - case GLSL_TYPE_BOOL: return this->value.b[i] ? 1 : 0; - default: assert(!"Should not get here."); break; - } - - /* Must return something to make the compiler happy. This is clearly an - * error case. - */ - return 0; -} - -ir_constant * -ir_constant::get_array_element(unsigned i) const -{ - assert(this->type->is_array()); - - /* From page 35 (page 41 of the PDF) of the GLSL 1.20 spec: - * - * "Behavior is undefined if a shader subscripts an array with an index - * less than 0 or greater than or equal to the size the array was - * declared with." - * - * Most out-of-bounds accesses are removed before things could get this far. - * There are cases where non-constant array index values can get constant - * folded. - */ - if (int(i) < 0) - i = 0; - else if (i >= this->type->length) - i = this->type->length - 1; - - return array_elements[i]; -} - -ir_constant * -ir_constant::get_record_field(const char *name) -{ - int idx = this->type->field_index(name); - - if (idx < 0) - return NULL; - - if (this->components.is_empty()) - return NULL; - - exec_node *node = this->components.head; - for (int i = 0; i < idx; i++) { - node = node->next; - - /* If the end of the list is encountered before the element matching the - * requested field is found, return NULL. - */ - if (node->is_tail_sentinel()) - return NULL; - } - - return (ir_constant *) node; -} - - -bool -ir_constant::has_value(const ir_constant *c) const -{ - if (this->type != c->type) - return false; - - if (this->type->is_array()) { - for (unsigned i = 0; i < this->type->length; i++) { - if (!this->array_elements[i]->has_value(c->array_elements[i])) - return false; - } - return true; - } - - if (this->type->base_type == GLSL_TYPE_STRUCT) { - const exec_node *a_node = this->components.head; - const exec_node *b_node = c->components.head; - - while (!a_node->is_tail_sentinel()) { - assert(!b_node->is_tail_sentinel()); - - const ir_constant *const a_field = (ir_constant *) a_node; - const ir_constant *const b_field = (ir_constant *) b_node; - - if (!a_field->has_value(b_field)) - return false; - - a_node = a_node->next; - b_node = b_node->next; - } - - return true; - } - - for (unsigned i = 0; i < this->type->components(); i++) { - switch (this->type->base_type) { - case GLSL_TYPE_UINT: - if (this->value.u[i] != c->value.u[i]) - return false; - break; - case GLSL_TYPE_INT: - if (this->value.i[i] != c->value.i[i]) - return false; - break; - case GLSL_TYPE_FLOAT: - if (this->value.f[i] != c->value.f[i]) - return false; - break; - case GLSL_TYPE_BOOL: - if (this->value.b[i] != c->value.b[i]) - return false; - break; - default: - assert(!"Should not get here."); - return false; - } - } - - return true; -} - -bool -ir_constant::is_zero() const -{ - if (!this->type->is_scalar() && !this->type->is_vector()) - return false; - - for (unsigned c = 0; c < this->type->vector_elements; c++) { - switch (this->type->base_type) { - case GLSL_TYPE_FLOAT: - if (this->value.f[c] != 0.0) - return false; - break; - case GLSL_TYPE_INT: - if (this->value.i[c] != 0) - return false; - break; - case GLSL_TYPE_UINT: - if (this->value.u[c] != 0) - return false; - break; - case GLSL_TYPE_BOOL: - if (this->value.b[c] != false) - return false; - break; - default: - /* The only other base types are structures, arrays, and samplers. - * Samplers cannot be constants, and the others should have been - * filtered out above. - */ - assert(!"Should not get here."); - return false; - } - } - - return true; -} - -bool -ir_constant::is_one() const -{ - if (!this->type->is_scalar() && !this->type->is_vector()) - return false; - - for (unsigned c = 0; c < this->type->vector_elements; c++) { - switch (this->type->base_type) { - case GLSL_TYPE_FLOAT: - if (this->value.f[c] != 1.0) - return false; - break; - case GLSL_TYPE_INT: - if (this->value.i[c] != 1) - return false; - break; - case GLSL_TYPE_UINT: - if (this->value.u[c] != 1) - return false; - break; - case GLSL_TYPE_BOOL: - if (this->value.b[c] != true) - return false; - break; - default: - /* The only other base types are structures, arrays, and samplers. - * Samplers cannot be constants, and the others should have been - * filtered out above. - */ - assert(!"Should not get here."); - return false; - } - } - - return true; -} - -bool -ir_constant::is_negative_one() const -{ - if (!this->type->is_scalar() && !this->type->is_vector()) - return false; - - if (this->type->is_boolean()) - return false; - - for (unsigned c = 0; c < this->type->vector_elements; c++) { - switch (this->type->base_type) { - case GLSL_TYPE_FLOAT: - if (this->value.f[c] != -1.0) - return false; - break; - case GLSL_TYPE_INT: - if (this->value.i[c] != -1) - return false; - break; - case GLSL_TYPE_UINT: - if (int(this->value.u[c]) != -1) - return false; - break; - default: - /* The only other base types are structures, arrays, samplers, and - * booleans. Samplers cannot be constants, and the others should - * have been filtered out above. - */ - assert(!"Should not get here."); - return false; - } - } - - return true; -} - -ir_loop::ir_loop() -{ - this->ir_type = ir_type_loop; - this->cmp = ir_unop_neg; - this->from = NULL; - this->to = NULL; - this->increment = NULL; - this->counter = NULL; -} - - -ir_dereference_variable::ir_dereference_variable(ir_variable *var) -{ - this->ir_type = ir_type_dereference_variable; - this->var = var; - this->type = (var != NULL) ? var->type : glsl_type::error_type; -} - - -ir_dereference_array::ir_dereference_array(ir_rvalue *value, - ir_rvalue *array_index) -{ - this->ir_type = ir_type_dereference_array; - this->array_index = array_index; - this->set_array(value); -} - - -ir_dereference_array::ir_dereference_array(ir_variable *var, - ir_rvalue *array_index) -{ - void *ctx = talloc_parent(var); - - this->ir_type = ir_type_dereference_array; - this->array_index = array_index; - this->set_array(new(ctx) ir_dereference_variable(var)); -} - - -void -ir_dereference_array::set_array(ir_rvalue *value) -{ - this->array = value; - this->type = glsl_type::error_type; - - if (this->array != NULL) { - const glsl_type *const vt = this->array->type; - - if (vt->is_array()) { - type = vt->element_type(); - } else if (vt->is_matrix()) { - type = vt->column_type(); - } else if (vt->is_vector()) { - type = vt->get_base_type(); - } - } -} - - -ir_dereference_record::ir_dereference_record(ir_rvalue *value, - const char *field) -{ - this->ir_type = ir_type_dereference_record; - this->record = value; - this->field = talloc_strdup(this, field); - this->type = (this->record != NULL) - ? this->record->type->field_type(field) : glsl_type::error_type; -} - - -ir_dereference_record::ir_dereference_record(ir_variable *var, - const char *field) -{ - void *ctx = talloc_parent(var); - - this->ir_type = ir_type_dereference_record; - this->record = new(ctx) ir_dereference_variable(var); - this->field = talloc_strdup(this, field); - this->type = (this->record != NULL) - ? this->record->type->field_type(field) : glsl_type::error_type; -} - -bool type_contains_sampler(const glsl_type *type) -{ - if (type->is_array()) { - return type_contains_sampler(type->fields.array); - } else if (type->is_record()) { - for (unsigned int i = 0; i < type->length; i++) { - if (type_contains_sampler(type->fields.structure[i].type)) - return true; - } - return false; - } else { - return type->is_sampler(); - } -} - -bool -ir_dereference::is_lvalue() -{ - ir_variable *var = this->variable_referenced(); - - /* Every l-value derference chain eventually ends in a variable. - */ - if ((var == NULL) || var->read_only) - return false; - - if (this->type->is_array() && !var->array_lvalue) - return false; - - /* From page 17 (page 23 of the PDF) of the GLSL 1.20 spec: - * - * "Samplers cannot be treated as l-values; hence cannot be used - * as out or inout function parameters, nor can they be - * assigned into." - */ - if (type_contains_sampler(this->type)) - return false; - - return true; -} - - -const char *tex_opcode_strs[] = { "tex", "txb", "txl", "txd", "txf" }; - -const char *ir_texture::opcode_string() -{ - assert((unsigned int) op <= - sizeof(tex_opcode_strs) / sizeof(tex_opcode_strs[0])); - return tex_opcode_strs[op]; -} - -ir_texture_opcode -ir_texture::get_opcode(const char *str) -{ - const int count = sizeof(tex_opcode_strs) / sizeof(tex_opcode_strs[0]); - for (int op = 0; op < count; op++) { - if (strcmp(str, tex_opcode_strs[op]) == 0) - return (ir_texture_opcode) op; - } - return (ir_texture_opcode) -1; -} - - -void -ir_texture::set_sampler(ir_dereference *sampler) -{ - assert(sampler != NULL); - this->sampler = sampler; - - switch (sampler->type->sampler_type) { - case GLSL_TYPE_FLOAT: - this->type = glsl_type::vec4_type; - break; - case GLSL_TYPE_INT: - this->type = glsl_type::ivec4_type; - break; - case GLSL_TYPE_UINT: - this->type = glsl_type::uvec4_type; - break; - } -} - - -void -ir_swizzle::init_mask(const unsigned *comp, unsigned count) -{ - assert((count >= 1) && (count <= 4)); - - memset(&this->mask, 0, sizeof(this->mask)); - this->mask.num_components = count; - - unsigned dup_mask = 0; - switch (count) { - case 4: - assert(comp[3] <= 3); - dup_mask |= (1U << comp[3]) - & ((1U << comp[0]) | (1U << comp[1]) | (1U << comp[2])); - this->mask.w = comp[3]; - - case 3: - assert(comp[2] <= 3); - dup_mask |= (1U << comp[2]) - & ((1U << comp[0]) | (1U << comp[1])); - this->mask.z = comp[2]; - - case 2: - assert(comp[1] <= 3); - dup_mask |= (1U << comp[1]) - & ((1U << comp[0])); - this->mask.y = comp[1]; - - case 1: - assert(comp[0] <= 3); - this->mask.x = comp[0]; - } - - this->mask.has_duplicates = dup_mask != 0; - - /* Based on the number of elements in the swizzle and the base type - * (i.e., float, int, unsigned, or bool) of the vector being swizzled, - * generate the type of the resulting value. - */ - type = glsl_type::get_instance(val->type->base_type, mask.num_components, 1); -} - -ir_swizzle::ir_swizzle(ir_rvalue *val, unsigned x, unsigned y, unsigned z, - unsigned w, unsigned count) - : val(val) -{ - const unsigned components[4] = { x, y, z, w }; - this->ir_type = ir_type_swizzle; - this->init_mask(components, count); -} - -ir_swizzle::ir_swizzle(ir_rvalue *val, const unsigned *comp, - unsigned count) - : val(val) -{ - this->ir_type = ir_type_swizzle; - this->init_mask(comp, count); -} - -ir_swizzle::ir_swizzle(ir_rvalue *val, ir_swizzle_mask mask) -{ - this->ir_type = ir_type_swizzle; - this->val = val; - this->mask = mask; - this->type = glsl_type::get_instance(val->type->base_type, - mask.num_components, 1); -} - -#define X 1 -#define R 5 -#define S 9 -#define I 13 - -ir_swizzle * -ir_swizzle::create(ir_rvalue *val, const char *str, unsigned vector_length) -{ - void *ctx = talloc_parent(val); - - /* For each possible swizzle character, this table encodes the value in - * \c idx_map that represents the 0th element of the vector. For invalid - * swizzle characters (e.g., 'k'), a special value is used that will allow - * detection of errors. - */ - static const unsigned char base_idx[26] = { - /* a b c d e f g h i j k l m */ - R, R, I, I, I, I, R, I, I, I, I, I, I, - /* n o p q r s t u v w x y z */ - I, I, S, S, R, S, S, I, I, X, X, X, X - }; - - /* Each valid swizzle character has an entry in the previous table. This - * table encodes the base index encoded in the previous table plus the actual - * index of the swizzle character. When processing swizzles, the first - * character in the string is indexed in the previous table. Each character - * in the string is indexed in this table, and the value found there has the - * value form the first table subtracted. The result must be on the range - * [0,3]. - * - * For example, the string "wzyx" will get X from the first table. Each of - * the charcaters will get X+3, X+2, X+1, and X+0 from this table. After - * subtraction, the swizzle values are { 3, 2, 1, 0 }. - * - * The string "wzrg" will get X from the first table. Each of the characters - * will get X+3, X+2, R+0, and R+1 from this table. After subtraction, the - * swizzle values are { 3, 2, 4, 5 }. Since 4 and 5 are outside the range - * [0,3], the error is detected. - */ - static const unsigned char idx_map[26] = { - /* a b c d e f g h i j k l m */ - R+3, R+2, 0, 0, 0, 0, R+1, 0, 0, 0, 0, 0, 0, - /* n o p q r s t u v w x y z */ - 0, 0, S+2, S+3, R+0, S+0, S+1, 0, 0, X+3, X+0, X+1, X+2 - }; - - int swiz_idx[4] = { 0, 0, 0, 0 }; - unsigned i; - - - /* Validate the first character in the swizzle string and look up the base - * index value as described above. - */ - if ((str[0] < 'a') || (str[0] > 'z')) - return NULL; - - const unsigned base = base_idx[str[0] - 'a']; - - - for (i = 0; (i < 4) && (str[i] != '\0'); i++) { - /* Validate the next character, and, as described above, convert it to a - * swizzle index. - */ - if ((str[i] < 'a') || (str[i] > 'z')) - return NULL; - - swiz_idx[i] = idx_map[str[i] - 'a'] - base; - if ((swiz_idx[i] < 0) || (swiz_idx[i] >= (int) vector_length)) - return NULL; - } - - if (str[i] != '\0') - return NULL; - - return new(ctx) ir_swizzle(val, swiz_idx[0], swiz_idx[1], swiz_idx[2], - swiz_idx[3], i); -} - -#undef X -#undef R -#undef S -#undef I - -ir_variable * -ir_swizzle::variable_referenced() -{ - return this->val->variable_referenced(); -} - - -ir_variable::ir_variable(const struct glsl_type *type, const char *name, - ir_variable_mode mode) - : max_array_access(0), read_only(false), centroid(false), invariant(false), - mode(mode), interpolation(ir_var_smooth), array_lvalue(false) -{ - this->ir_type = ir_type_variable; - this->type = type; - this->name = talloc_strdup(this, name); - this->explicit_location = false; - this->location = -1; - this->warn_extension = NULL; - this->constant_value = NULL; - this->origin_upper_left = false; - this->pixel_center_integer = false; - this->used = false; - - if (type && type->base_type == GLSL_TYPE_SAMPLER) - this->read_only = true; -} - - -const char * -ir_variable::interpolation_string() const -{ - switch (this->interpolation) { - case ir_var_smooth: return "smooth"; - case ir_var_flat: return "flat"; - case ir_var_noperspective: return "noperspective"; - } - - assert(!"Should not get here."); - return ""; -} - - -unsigned -ir_variable::component_slots() const -{ - /* FINISHME: Sparsely accessed arrays require fewer slots. */ - return this->type->component_slots(); -} - - -ir_function_signature::ir_function_signature(const glsl_type *return_type) - : return_type(return_type), is_defined(false), _function(NULL) -{ - this->ir_type = ir_type_function_signature; - this->is_builtin = false; -} - - -const char * -ir_function_signature::qualifiers_match(exec_list *params) -{ - exec_list_iterator iter_a = parameters.iterator(); - exec_list_iterator iter_b = params->iterator(); - - /* check that the qualifiers match. */ - while (iter_a.has_next()) { - ir_variable *a = (ir_variable *)iter_a.get(); - ir_variable *b = (ir_variable *)iter_b.get(); - - if (a->read_only != b->read_only || - a->mode != b->mode || - a->interpolation != b->interpolation || - a->centroid != b->centroid) { - - /* parameter a's qualifiers don't match */ - return a->name; - } - - iter_a.next(); - iter_b.next(); - } - return NULL; -} - - -void -ir_function_signature::replace_parameters(exec_list *new_params) -{ - /* Destroy all of the previous parameter information. If the previous - * parameter information comes from the function prototype, it may either - * specify incorrect parameter names or not have names at all. - */ - foreach_iter(exec_list_iterator, iter, parameters) { - assert(((ir_instruction *) iter.get())->as_variable() != NULL); - - iter.remove(); - } - - new_params->move_nodes_to(¶meters); -} - - -ir_function::ir_function(const char *name) -{ - this->ir_type = ir_type_function; - this->name = talloc_strdup(this, name); -} - - -bool -ir_function::has_user_signature() -{ - foreach_list(n, &this->signatures) { - ir_function_signature *const sig = (ir_function_signature *) n; - if (!sig->is_builtin) - return true; - } - return false; -} - - -ir_call * -ir_call::get_error_instruction(void *ctx) -{ - ir_call *call = new(ctx) ir_call; - - call->type = glsl_type::error_type; - return call; -} - -void -ir_call::set_callee(ir_function_signature *sig) -{ - assert((this->type == NULL) || (this->type == sig->return_type)); - - this->callee = sig; -} - -void -visit_exec_list(exec_list *list, ir_visitor *visitor) -{ - foreach_iter(exec_list_iterator, iter, *list) { - ((ir_instruction *)iter.get())->accept(visitor); - } -} - - -static void -steal_memory(ir_instruction *ir, void *new_ctx) -{ - ir_variable *var = ir->as_variable(); - ir_constant *constant = ir->as_constant(); - if (var != NULL && var->constant_value != NULL) - steal_memory(var->constant_value, ir); - - /* The components of aggregate constants are not visited by the normal - * visitor, so steal their values by hand. - */ - if (constant != NULL) { - if (constant->type->is_record()) { - foreach_iter(exec_list_iterator, iter, constant->components) { - ir_constant *field = (ir_constant *)iter.get(); - steal_memory(field, ir); - } - } else if (constant->type->is_array()) { - for (unsigned int i = 0; i < constant->type->length; i++) { - steal_memory(constant->array_elements[i], ir); - } - } - } - - talloc_steal(new_ctx, ir); -} - - -void -reparent_ir(exec_list *list, void *mem_ctx) -{ - foreach_list(node, list) { - visit_tree((ir_instruction *) node, steal_memory, mem_ctx); - } -} - - -static ir_rvalue * -try_min_one(ir_rvalue *ir) -{ - ir_expression *expr = ir->as_expression(); - - if (!expr || expr->operation != ir_binop_min) - return NULL; - - if (expr->operands[0]->is_one()) - return expr->operands[1]; - - if (expr->operands[1]->is_one()) - return expr->operands[0]; - - return NULL; -} - -static ir_rvalue * -try_max_zero(ir_rvalue *ir) -{ - ir_expression *expr = ir->as_expression(); - - if (!expr || expr->operation != ir_binop_max) - return NULL; - - if (expr->operands[0]->is_zero()) - return expr->operands[1]; - - if (expr->operands[1]->is_zero()) - return expr->operands[0]; - - return NULL; -} - -ir_rvalue * -ir_rvalue::as_rvalue_to_saturate() -{ - ir_expression *expr = this->as_expression(); - - if (!expr) - return NULL; - - ir_rvalue *max_zero = try_max_zero(expr); - if (max_zero) { - return try_min_one(max_zero); - } else { - ir_rvalue *min_one = try_min_one(expr); - if (min_one) { - return try_max_zero(min_one); - } - } - - return NULL; -} +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ +#include +#include "main/core.h" /* for MAX2 */ +#include "ir.h" +#include "ir_visitor.h" +#include "glsl_types.h" + +ir_rvalue::ir_rvalue() +{ + this->type = glsl_type::error_type; +} + +bool ir_rvalue::is_zero() const +{ + return false; +} + +bool ir_rvalue::is_one() const +{ + return false; +} + +bool ir_rvalue::is_negative_one() const +{ + return false; +} + +/** + * Modify the swizzle make to move one component to another + * + * \param m IR swizzle to be modified + * \param from Component in the RHS that is to be swizzled + * \param to Desired swizzle location of \c from + */ +static void +update_rhs_swizzle(ir_swizzle_mask &m, unsigned from, unsigned to) +{ + switch (to) { + case 0: m.x = from; break; + case 1: m.y = from; break; + case 2: m.z = from; break; + case 3: m.w = from; break; + default: assert(!"Should not get here."); + } + + m.num_components = MAX2(m.num_components, (to + 1)); +} + +void +ir_assignment::set_lhs(ir_rvalue *lhs) +{ + void *mem_ctx = this; + bool swizzled = false; + + while (lhs != NULL) { + ir_swizzle *swiz = lhs->as_swizzle(); + + if (swiz == NULL) + break; + + unsigned write_mask = 0; + ir_swizzle_mask rhs_swiz = { 0, 0, 0, 0, 0, 0 }; + + for (unsigned i = 0; i < swiz->mask.num_components; i++) { + unsigned c = 0; + + switch (i) { + case 0: c = swiz->mask.x; break; + case 1: c = swiz->mask.y; break; + case 2: c = swiz->mask.z; break; + case 3: c = swiz->mask.w; break; + default: assert(!"Should not get here."); + } + + write_mask |= (((this->write_mask >> i) & 1) << c); + update_rhs_swizzle(rhs_swiz, i, c); + } + + this->write_mask = write_mask; + lhs = swiz->val; + + this->rhs = new(mem_ctx) ir_swizzle(this->rhs, rhs_swiz); + swizzled = true; + } + + if (swizzled) { + /* Now, RHS channels line up with the LHS writemask. Collapse it + * to just the channels that will be written. + */ + ir_swizzle_mask rhs_swiz = { 0, 0, 0, 0, 0, 0 }; + int rhs_chan = 0; + for (int i = 0; i < 4; i++) { + if (write_mask & (1 << i)) + update_rhs_swizzle(rhs_swiz, i, rhs_chan++); + } + this->rhs = new(mem_ctx) ir_swizzle(this->rhs, rhs_swiz); + } + + assert((lhs == NULL) || lhs->as_dereference()); + + this->lhs = (ir_dereference *) lhs; +} + +ir_variable * +ir_assignment::whole_variable_written() +{ + ir_variable *v = this->lhs->whole_variable_referenced(); + + if (v == NULL) + return NULL; + + if (v->type->is_scalar()) + return v; + + if (v->type->is_vector()) { + const unsigned mask = (1U << v->type->vector_elements) - 1; + + if (mask != this->write_mask) + return NULL; + } + + /* Either all the vector components are assigned or the variable is some + * composite type (and the whole thing is assigned. + */ + return v; +} + +ir_assignment::ir_assignment(ir_dereference *lhs, ir_rvalue *rhs, + ir_rvalue *condition, unsigned write_mask) +{ + this->ir_type = ir_type_assignment; + this->condition = condition; + this->rhs = rhs; + this->lhs = lhs; + this->write_mask = write_mask; + + if (lhs->type->is_scalar() || lhs->type->is_vector()) { + int lhs_components = 0; + for (int i = 0; i < 4; i++) { + if (write_mask & (1 << i)) + lhs_components++; + } + + assert(lhs_components == this->rhs->type->vector_elements); + } +} + +ir_assignment::ir_assignment(ir_rvalue *lhs, ir_rvalue *rhs, + ir_rvalue *condition) +{ + this->ir_type = ir_type_assignment; + this->condition = condition; + this->rhs = rhs; + + /* If the RHS is a vector type, assume that all components of the vector + * type are being written to the LHS. The write mask comes from the RHS + * because we can have a case where the LHS is a vec4 and the RHS is a + * vec3. In that case, the assignment is: + * + * (assign (...) (xyz) (var_ref lhs) (var_ref rhs)) + */ + if (rhs->type->is_vector()) + this->write_mask = (1U << rhs->type->vector_elements) - 1; + else if (rhs->type->is_scalar()) + this->write_mask = 1; + else + this->write_mask = 0; + + this->set_lhs(lhs); +} + + +ir_expression::ir_expression(int op, const struct glsl_type *type, + ir_rvalue *op0) +{ + assert(get_num_operands(ir_expression_operation(op)) == 1); + this->ir_type = ir_type_expression; + this->type = type; + this->operation = ir_expression_operation(op); + this->operands[0] = op0; + this->operands[1] = NULL; + this->operands[2] = NULL; + this->operands[3] = NULL; +} + +ir_expression::ir_expression(int op, const struct glsl_type *type, + ir_rvalue *op0, ir_rvalue *op1) +{ + assert(((op1 == NULL) && (get_num_operands(ir_expression_operation(op)) == 1)) + || (get_num_operands(ir_expression_operation(op)) == 2)); + this->ir_type = ir_type_expression; + this->type = type; + this->operation = ir_expression_operation(op); + this->operands[0] = op0; + this->operands[1] = op1; + this->operands[2] = NULL; + this->operands[3] = NULL; +} + +ir_expression::ir_expression(int op, const struct glsl_type *type, + ir_rvalue *op0, ir_rvalue *op1, + ir_rvalue *op2, ir_rvalue *op3) +{ + this->ir_type = ir_type_expression; + this->type = type; + this->operation = ir_expression_operation(op); + this->operands[0] = op0; + this->operands[1] = op1; + this->operands[2] = op2; + this->operands[3] = op3; +} + +ir_expression::ir_expression(int op, ir_rvalue *op0) +{ + this->ir_type = ir_type_expression; + + this->operation = ir_expression_operation(op); + this->operands[0] = op0; + this->operands[1] = NULL; + this->operands[2] = NULL; + this->operands[3] = NULL; + + assert(op <= ir_last_unop); + + switch (this->operation) { + case ir_unop_bit_not: + case ir_unop_logic_not: + case ir_unop_neg: + case ir_unop_abs: + case ir_unop_sign: + case ir_unop_rcp: + case ir_unop_rsq: + case ir_unop_sqrt: + case ir_unop_exp: + case ir_unop_log: + case ir_unop_exp2: + case ir_unop_log2: + case ir_unop_trunc: + case ir_unop_ceil: + case ir_unop_floor: + case ir_unop_fract: + case ir_unop_round_even: + case ir_unop_sin: + case ir_unop_cos: + case ir_unop_sin_reduced: + case ir_unop_cos_reduced: + case ir_unop_dFdx: + case ir_unop_dFdy: + this->type = op0->type; + break; + + case ir_unop_f2i: + case ir_unop_b2i: + this->type = glsl_type::get_instance(GLSL_TYPE_INT, + op0->type->vector_elements, 1); + break; + + case ir_unop_b2f: + case ir_unop_i2f: + case ir_unop_u2f: + this->type = glsl_type::get_instance(GLSL_TYPE_FLOAT, + op0->type->vector_elements, 1); + break; + + case ir_unop_f2b: + case ir_unop_i2b: + this->type = glsl_type::get_instance(GLSL_TYPE_BOOL, + op0->type->vector_elements, 1); + break; + + case ir_unop_noise: + this->type = glsl_type::float_type; + break; + + case ir_unop_any: + this->type = glsl_type::bool_type; + break; + + default: + assert(!"not reached: missing automatic type setup for ir_expression"); + this->type = op0->type; + break; + } +} + +ir_expression::ir_expression(int op, ir_rvalue *op0, ir_rvalue *op1) +{ + this->ir_type = ir_type_expression; + + this->operation = ir_expression_operation(op); + this->operands[0] = op0; + this->operands[1] = op1; + this->operands[2] = NULL; + this->operands[3] = NULL; + + assert(op > ir_last_unop); + + switch (this->operation) { + case ir_binop_all_equal: + case ir_binop_any_nequal: + this->type = glsl_type::bool_type; + break; + + case ir_binop_add: + case ir_binop_sub: + case ir_binop_min: + case ir_binop_max: + case ir_binop_pow: + case ir_binop_mul: + case ir_binop_div: + case ir_binop_mod: + if (op0->type->is_scalar()) { + this->type = op1->type; + } else if (op1->type->is_scalar()) { + this->type = op0->type; + } else { + /* FINISHME: matrix types */ + assert(!op0->type->is_matrix() && !op1->type->is_matrix()); + assert(op0->type == op1->type); + this->type = op0->type; + } + break; + + case ir_binop_logic_and: + case ir_binop_logic_xor: + case ir_binop_logic_or: + case ir_binop_bit_and: + case ir_binop_bit_xor: + case ir_binop_bit_or: + if (op0->type->is_scalar()) { + this->type = op1->type; + } else if (op1->type->is_scalar()) { + this->type = op0->type; + } + break; + + case ir_binop_equal: + case ir_binop_nequal: + case ir_binop_lequal: + case ir_binop_gequal: + case ir_binop_less: + case ir_binop_greater: + assert(op0->type == op1->type); + this->type = glsl_type::get_instance(GLSL_TYPE_BOOL, + op0->type->vector_elements, 1); + break; + + case ir_binop_dot: + this->type = glsl_type::float_type; + break; + + case ir_binop_lshift: + case ir_binop_rshift: + this->type = op0->type; + break; + + default: + assert(!"not reached: missing automatic type setup for ir_expression"); + this->type = glsl_type::float_type; + } +} + +unsigned int +ir_expression::get_num_operands(ir_expression_operation op) +{ + assert(op <= ir_last_opcode); + + if (op <= ir_last_unop) + return 1; + + if (op <= ir_last_binop) + return 2; + + if (op == ir_quadop_vector) + return 4; + + assert(false); + return 0; +} + +static const char *const operator_strs[] = { + "~", + "!", + "neg", + "abs", + "sign", + "rcp", + "rsq", + "sqrt", + "exp", + "log", + "exp2", + "log2", + "f2i", + "i2f", + "f2b", + "b2f", + "i2b", + "b2i", + "u2f", + "any", + "trunc", + "ceil", + "floor", + "fract", + "round_even", + "sin", + "cos", + "sin_reduced", + "cos_reduced", + "dFdx", + "dFdy", + "noise", + "+", + "-", + "*", + "/", + "%", + "<", + ">", + "<=", + ">=", + "==", + "!=", + "all_equal", + "any_nequal", + "<<", + ">>", + "&", + "^", + "|", + "&&", + "^^", + "||", + "dot", + "min", + "max", + "pow", + "vector", +}; + +const char *ir_expression::operator_string(ir_expression_operation op) +{ + assert((unsigned int) op < Elements(operator_strs)); + assert(Elements(operator_strs) == (ir_quadop_vector + 1)); + return operator_strs[op]; +} + +const char *ir_expression::operator_string() +{ + return operator_string(this->operation); +} + +const char* +depth_layout_string(ir_depth_layout layout) +{ + switch(layout) { + case ir_depth_layout_none: return ""; + case ir_depth_layout_any: return "depth_any"; + case ir_depth_layout_greater: return "depth_greater"; + case ir_depth_layout_less: return "depth_less"; + case ir_depth_layout_unchanged: return "depth_unchanged"; + + default: + assert(0); + return ""; + } +} + +ir_expression_operation +ir_expression::get_operator(const char *str) +{ + const int operator_count = sizeof(operator_strs) / sizeof(operator_strs[0]); + for (int op = 0; op < operator_count; op++) { + if (strcmp(str, operator_strs[op]) == 0) + return (ir_expression_operation) op; + } + return (ir_expression_operation) -1; +} + +ir_constant::ir_constant() +{ + this->ir_type = ir_type_constant; +} + +ir_constant::ir_constant(const struct glsl_type *type, + const ir_constant_data *data) +{ + assert((type->base_type >= GLSL_TYPE_UINT) + && (type->base_type <= GLSL_TYPE_BOOL)); + + this->ir_type = ir_type_constant; + this->type = type; + memcpy(& this->value, data, sizeof(this->value)); +} + +ir_constant::ir_constant(float f) +{ + this->ir_type = ir_type_constant; + this->type = glsl_type::float_type; + this->value.f[0] = f; + for (int i = 1; i < 16; i++) { + this->value.f[i] = 0; + } +} + +ir_constant::ir_constant(unsigned int u) +{ + this->ir_type = ir_type_constant; + this->type = glsl_type::uint_type; + this->value.u[0] = u; + for (int i = 1; i < 16; i++) { + this->value.u[i] = 0; + } +} + +ir_constant::ir_constant(int i) +{ + this->ir_type = ir_type_constant; + this->type = glsl_type::int_type; + this->value.i[0] = i; + for (int i = 1; i < 16; i++) { + this->value.i[i] = 0; + } +} + +ir_constant::ir_constant(bool b) +{ + this->ir_type = ir_type_constant; + this->type = glsl_type::bool_type; + this->value.b[0] = b; + for (int i = 1; i < 16; i++) { + this->value.b[i] = false; + } +} + +ir_constant::ir_constant(const ir_constant *c, unsigned i) +{ + this->ir_type = ir_type_constant; + this->type = c->type->get_base_type(); + + switch (this->type->base_type) { + case GLSL_TYPE_UINT: this->value.u[0] = c->value.u[i]; break; + case GLSL_TYPE_INT: this->value.i[0] = c->value.i[i]; break; + case GLSL_TYPE_FLOAT: this->value.f[0] = c->value.f[i]; break; + case GLSL_TYPE_BOOL: this->value.b[0] = c->value.b[i]; break; + default: assert(!"Should not get here."); break; + } +} + +ir_constant::ir_constant(const struct glsl_type *type, exec_list *value_list) +{ + this->ir_type = ir_type_constant; + this->type = type; + + assert(type->is_scalar() || type->is_vector() || type->is_matrix() + || type->is_record() || type->is_array()); + + if (type->is_array()) { + this->array_elements = talloc_array(this, ir_constant *, type->length); + unsigned i = 0; + foreach_list(node, value_list) { + ir_constant *value = (ir_constant *) node; + assert(value->as_constant() != NULL); + + this->array_elements[i++] = value; + } + return; + } + + /* If the constant is a record, the types of each of the entries in + * value_list must be a 1-for-1 match with the structure components. Each + * entry must also be a constant. Just move the nodes from the value_list + * to the list in the ir_constant. + */ + /* FINISHME: Should there be some type checking and / or assertions here? */ + /* FINISHME: Should the new constant take ownership of the nodes from + * FINISHME: value_list, or should it make copies? + */ + if (type->is_record()) { + value_list->move_nodes_to(& this->components); + return; + } + + for (unsigned i = 0; i < 16; i++) { + this->value.u[i] = 0; + } + + ir_constant *value = (ir_constant *) (value_list->head); + + /* Constructors with exactly one scalar argument are special for vectors + * and matrices. For vectors, the scalar value is replicated to fill all + * the components. For matrices, the scalar fills the components of the + * diagonal while the rest is filled with 0. + */ + if (value->type->is_scalar() && value->next->is_tail_sentinel()) { + if (type->is_matrix()) { + /* Matrix - fill diagonal (rest is already set to 0) */ + assert(type->base_type == GLSL_TYPE_FLOAT); + for (unsigned i = 0; i < type->matrix_columns; i++) + this->value.f[i * type->vector_elements + i] = value->value.f[0]; + } else { + /* Vector or scalar - fill all components */ + switch (type->base_type) { + case GLSL_TYPE_UINT: + case GLSL_TYPE_INT: + for (unsigned i = 0; i < type->components(); i++) + this->value.u[i] = value->value.u[0]; + break; + case GLSL_TYPE_FLOAT: + for (unsigned i = 0; i < type->components(); i++) + this->value.f[i] = value->value.f[0]; + break; + case GLSL_TYPE_BOOL: + for (unsigned i = 0; i < type->components(); i++) + this->value.b[i] = value->value.b[0]; + break; + default: + assert(!"Should not get here."); + break; + } + } + return; + } + + if (type->is_matrix() && value->type->is_matrix()) { + assert(value->next->is_tail_sentinel()); + + /* From section 5.4.2 of the GLSL 1.20 spec: + * "If a matrix is constructed from a matrix, then each component + * (column i, row j) in the result that has a corresponding component + * (column i, row j) in the argument will be initialized from there." + */ + unsigned cols = MIN2(type->matrix_columns, value->type->matrix_columns); + unsigned rows = MIN2(type->vector_elements, value->type->vector_elements); + for (unsigned i = 0; i < cols; i++) { + for (unsigned j = 0; j < rows; j++) { + const unsigned src = i * value->type->vector_elements + j; + const unsigned dst = i * type->vector_elements + j; + this->value.f[dst] = value->value.f[src]; + } + } + + /* "All other components will be initialized to the identity matrix." */ + for (unsigned i = cols; i < type->matrix_columns; i++) + this->value.f[i * type->vector_elements + i] = 1.0; + + return; + } + + /* Use each component from each entry in the value_list to initialize one + * component of the constant being constructed. + */ + for (unsigned i = 0; i < type->components(); /* empty */) { + assert(value->as_constant() != NULL); + assert(!value->is_tail_sentinel()); + + for (unsigned j = 0; j < value->type->components(); j++) { + switch (type->base_type) { + case GLSL_TYPE_UINT: + this->value.u[i] = value->get_uint_component(j); + break; + case GLSL_TYPE_INT: + this->value.i[i] = value->get_int_component(j); + break; + case GLSL_TYPE_FLOAT: + this->value.f[i] = value->get_float_component(j); + break; + case GLSL_TYPE_BOOL: + this->value.b[i] = value->get_bool_component(j); + break; + default: + /* FINISHME: What to do? Exceptions are not the answer. + */ + break; + } + + i++; + if (i >= type->components()) + break; + } + + value = (ir_constant *) value->next; + } +} + +ir_constant * +ir_constant::zero(void *mem_ctx, const glsl_type *type) +{ + assert(type->is_numeric() || type->is_boolean()); + + ir_constant *c = new(mem_ctx) ir_constant; + c->type = type; + memset(&c->value, 0, sizeof(c->value)); + + return c; +} + +bool +ir_constant::get_bool_component(unsigned i) const +{ + switch (this->type->base_type) { + case GLSL_TYPE_UINT: return this->value.u[i] != 0; + case GLSL_TYPE_INT: return this->value.i[i] != 0; + case GLSL_TYPE_FLOAT: return ((int)this->value.f[i]) != 0; + case GLSL_TYPE_BOOL: return this->value.b[i]; + default: assert(!"Should not get here."); break; + } + + /* Must return something to make the compiler happy. This is clearly an + * error case. + */ + return false; +} + +float +ir_constant::get_float_component(unsigned i) const +{ + switch (this->type->base_type) { + case GLSL_TYPE_UINT: return (float) this->value.u[i]; + case GLSL_TYPE_INT: return (float) this->value.i[i]; + case GLSL_TYPE_FLOAT: return this->value.f[i]; + case GLSL_TYPE_BOOL: return this->value.b[i] ? 1.0 : 0.0; + default: assert(!"Should not get here."); break; + } + + /* Must return something to make the compiler happy. This is clearly an + * error case. + */ + return 0.0; +} + +int +ir_constant::get_int_component(unsigned i) const +{ + switch (this->type->base_type) { + case GLSL_TYPE_UINT: return this->value.u[i]; + case GLSL_TYPE_INT: return this->value.i[i]; + case GLSL_TYPE_FLOAT: return (int) this->value.f[i]; + case GLSL_TYPE_BOOL: return this->value.b[i] ? 1 : 0; + default: assert(!"Should not get here."); break; + } + + /* Must return something to make the compiler happy. This is clearly an + * error case. + */ + return 0; +} + +unsigned +ir_constant::get_uint_component(unsigned i) const +{ + switch (this->type->base_type) { + case GLSL_TYPE_UINT: return this->value.u[i]; + case GLSL_TYPE_INT: return this->value.i[i]; + case GLSL_TYPE_FLOAT: return (unsigned) this->value.f[i]; + case GLSL_TYPE_BOOL: return this->value.b[i] ? 1 : 0; + default: assert(!"Should not get here."); break; + } + + /* Must return something to make the compiler happy. This is clearly an + * error case. + */ + return 0; +} + +ir_constant * +ir_constant::get_array_element(unsigned i) const +{ + assert(this->type->is_array()); + + /* From page 35 (page 41 of the PDF) of the GLSL 1.20 spec: + * + * "Behavior is undefined if a shader subscripts an array with an index + * less than 0 or greater than or equal to the size the array was + * declared with." + * + * Most out-of-bounds accesses are removed before things could get this far. + * There are cases where non-constant array index values can get constant + * folded. + */ + if (int(i) < 0) + i = 0; + else if (i >= this->type->length) + i = this->type->length - 1; + + return array_elements[i]; +} + +ir_constant * +ir_constant::get_record_field(const char *name) +{ + int idx = this->type->field_index(name); + + if (idx < 0) + return NULL; + + if (this->components.is_empty()) + return NULL; + + exec_node *node = this->components.head; + for (int i = 0; i < idx; i++) { + node = node->next; + + /* If the end of the list is encountered before the element matching the + * requested field is found, return NULL. + */ + if (node->is_tail_sentinel()) + return NULL; + } + + return (ir_constant *) node; +} + + +bool +ir_constant::has_value(const ir_constant *c) const +{ + if (this->type != c->type) + return false; + + if (this->type->is_array()) { + for (unsigned i = 0; i < this->type->length; i++) { + if (!this->array_elements[i]->has_value(c->array_elements[i])) + return false; + } + return true; + } + + if (this->type->base_type == GLSL_TYPE_STRUCT) { + const exec_node *a_node = this->components.head; + const exec_node *b_node = c->components.head; + + while (!a_node->is_tail_sentinel()) { + assert(!b_node->is_tail_sentinel()); + + const ir_constant *const a_field = (ir_constant *) a_node; + const ir_constant *const b_field = (ir_constant *) b_node; + + if (!a_field->has_value(b_field)) + return false; + + a_node = a_node->next; + b_node = b_node->next; + } + + return true; + } + + for (unsigned i = 0; i < this->type->components(); i++) { + switch (this->type->base_type) { + case GLSL_TYPE_UINT: + if (this->value.u[i] != c->value.u[i]) + return false; + break; + case GLSL_TYPE_INT: + if (this->value.i[i] != c->value.i[i]) + return false; + break; + case GLSL_TYPE_FLOAT: + if (this->value.f[i] != c->value.f[i]) + return false; + break; + case GLSL_TYPE_BOOL: + if (this->value.b[i] != c->value.b[i]) + return false; + break; + default: + assert(!"Should not get here."); + return false; + } + } + + return true; +} + +bool +ir_constant::is_zero() const +{ + if (!this->type->is_scalar() && !this->type->is_vector()) + return false; + + for (unsigned c = 0; c < this->type->vector_elements; c++) { + switch (this->type->base_type) { + case GLSL_TYPE_FLOAT: + if (this->value.f[c] != 0.0) + return false; + break; + case GLSL_TYPE_INT: + if (this->value.i[c] != 0) + return false; + break; + case GLSL_TYPE_UINT: + if (this->value.u[c] != 0) + return false; + break; + case GLSL_TYPE_BOOL: + if (this->value.b[c] != false) + return false; + break; + default: + /* The only other base types are structures, arrays, and samplers. + * Samplers cannot be constants, and the others should have been + * filtered out above. + */ + assert(!"Should not get here."); + return false; + } + } + + return true; +} + +bool +ir_constant::is_one() const +{ + if (!this->type->is_scalar() && !this->type->is_vector()) + return false; + + for (unsigned c = 0; c < this->type->vector_elements; c++) { + switch (this->type->base_type) { + case GLSL_TYPE_FLOAT: + if (this->value.f[c] != 1.0) + return false; + break; + case GLSL_TYPE_INT: + if (this->value.i[c] != 1) + return false; + break; + case GLSL_TYPE_UINT: + if (this->value.u[c] != 1) + return false; + break; + case GLSL_TYPE_BOOL: + if (this->value.b[c] != true) + return false; + break; + default: + /* The only other base types are structures, arrays, and samplers. + * Samplers cannot be constants, and the others should have been + * filtered out above. + */ + assert(!"Should not get here."); + return false; + } + } + + return true; +} + +bool +ir_constant::is_negative_one() const +{ + if (!this->type->is_scalar() && !this->type->is_vector()) + return false; + + if (this->type->is_boolean()) + return false; + + for (unsigned c = 0; c < this->type->vector_elements; c++) { + switch (this->type->base_type) { + case GLSL_TYPE_FLOAT: + if (this->value.f[c] != -1.0) + return false; + break; + case GLSL_TYPE_INT: + if (this->value.i[c] != -1) + return false; + break; + case GLSL_TYPE_UINT: + if (int(this->value.u[c]) != -1) + return false; + break; + default: + /* The only other base types are structures, arrays, samplers, and + * booleans. Samplers cannot be constants, and the others should + * have been filtered out above. + */ + assert(!"Should not get here."); + return false; + } + } + + return true; +} + +ir_loop::ir_loop() +{ + this->ir_type = ir_type_loop; + this->cmp = ir_unop_neg; + this->from = NULL; + this->to = NULL; + this->increment = NULL; + this->counter = NULL; +} + + +ir_dereference_variable::ir_dereference_variable(ir_variable *var) +{ + this->ir_type = ir_type_dereference_variable; + this->var = var; + this->type = (var != NULL) ? var->type : glsl_type::error_type; +} + + +ir_dereference_array::ir_dereference_array(ir_rvalue *value, + ir_rvalue *array_index) +{ + this->ir_type = ir_type_dereference_array; + this->array_index = array_index; + this->set_array(value); +} + + +ir_dereference_array::ir_dereference_array(ir_variable *var, + ir_rvalue *array_index) +{ + void *ctx = talloc_parent(var); + + this->ir_type = ir_type_dereference_array; + this->array_index = array_index; + this->set_array(new(ctx) ir_dereference_variable(var)); +} + + +void +ir_dereference_array::set_array(ir_rvalue *value) +{ + this->array = value; + this->type = glsl_type::error_type; + + if (this->array != NULL) { + const glsl_type *const vt = this->array->type; + + if (vt->is_array()) { + type = vt->element_type(); + } else if (vt->is_matrix()) { + type = vt->column_type(); + } else if (vt->is_vector()) { + type = vt->get_base_type(); + } + } +} + + +ir_dereference_record::ir_dereference_record(ir_rvalue *value, + const char *field) +{ + this->ir_type = ir_type_dereference_record; + this->record = value; + this->field = talloc_strdup(this, field); + this->type = (this->record != NULL) + ? this->record->type->field_type(field) : glsl_type::error_type; +} + + +ir_dereference_record::ir_dereference_record(ir_variable *var, + const char *field) +{ + void *ctx = talloc_parent(var); + + this->ir_type = ir_type_dereference_record; + this->record = new(ctx) ir_dereference_variable(var); + this->field = talloc_strdup(this, field); + this->type = (this->record != NULL) + ? this->record->type->field_type(field) : glsl_type::error_type; +} + +bool type_contains_sampler(const glsl_type *type) +{ + if (type->is_array()) { + return type_contains_sampler(type->fields.array); + } else if (type->is_record()) { + for (unsigned int i = 0; i < type->length; i++) { + if (type_contains_sampler(type->fields.structure[i].type)) + return true; + } + return false; + } else { + return type->is_sampler(); + } +} + +bool +ir_dereference::is_lvalue() +{ + ir_variable *var = this->variable_referenced(); + + /* Every l-value derference chain eventually ends in a variable. + */ + if ((var == NULL) || var->read_only) + return false; + + if (this->type->is_array() && !var->array_lvalue) + return false; + + /* From page 17 (page 23 of the PDF) of the GLSL 1.20 spec: + * + * "Samplers cannot be treated as l-values; hence cannot be used + * as out or inout function parameters, nor can they be + * assigned into." + */ + if (type_contains_sampler(this->type)) + return false; + + return true; +} + + +const char *tex_opcode_strs[] = { "tex", "txb", "txl", "txd", "txf" }; + +const char *ir_texture::opcode_string() +{ + assert((unsigned int) op <= + sizeof(tex_opcode_strs) / sizeof(tex_opcode_strs[0])); + return tex_opcode_strs[op]; +} + +ir_texture_opcode +ir_texture::get_opcode(const char *str) +{ + const int count = sizeof(tex_opcode_strs) / sizeof(tex_opcode_strs[0]); + for (int op = 0; op < count; op++) { + if (strcmp(str, tex_opcode_strs[op]) == 0) + return (ir_texture_opcode) op; + } + return (ir_texture_opcode) -1; +} + + +void +ir_texture::set_sampler(ir_dereference *sampler) +{ + assert(sampler != NULL); + this->sampler = sampler; + + switch (sampler->type->sampler_type) { + case GLSL_TYPE_FLOAT: + this->type = glsl_type::vec4_type; + break; + case GLSL_TYPE_INT: + this->type = glsl_type::ivec4_type; + break; + case GLSL_TYPE_UINT: + this->type = glsl_type::uvec4_type; + break; + } +} + + +void +ir_swizzle::init_mask(const unsigned *comp, unsigned count) +{ + assert((count >= 1) && (count <= 4)); + + memset(&this->mask, 0, sizeof(this->mask)); + this->mask.num_components = count; + + unsigned dup_mask = 0; + switch (count) { + case 4: + assert(comp[3] <= 3); + dup_mask |= (1U << comp[3]) + & ((1U << comp[0]) | (1U << comp[1]) | (1U << comp[2])); + this->mask.w = comp[3]; + + case 3: + assert(comp[2] <= 3); + dup_mask |= (1U << comp[2]) + & ((1U << comp[0]) | (1U << comp[1])); + this->mask.z = comp[2]; + + case 2: + assert(comp[1] <= 3); + dup_mask |= (1U << comp[1]) + & ((1U << comp[0])); + this->mask.y = comp[1]; + + case 1: + assert(comp[0] <= 3); + this->mask.x = comp[0]; + } + + this->mask.has_duplicates = dup_mask != 0; + + /* Based on the number of elements in the swizzle and the base type + * (i.e., float, int, unsigned, or bool) of the vector being swizzled, + * generate the type of the resulting value. + */ + type = glsl_type::get_instance(val->type->base_type, mask.num_components, 1); +} + +ir_swizzle::ir_swizzle(ir_rvalue *val, unsigned x, unsigned y, unsigned z, + unsigned w, unsigned count) + : val(val) +{ + const unsigned components[4] = { x, y, z, w }; + this->ir_type = ir_type_swizzle; + this->init_mask(components, count); +} + +ir_swizzle::ir_swizzle(ir_rvalue *val, const unsigned *comp, + unsigned count) + : val(val) +{ + this->ir_type = ir_type_swizzle; + this->init_mask(comp, count); +} + +ir_swizzle::ir_swizzle(ir_rvalue *val, ir_swizzle_mask mask) +{ + this->ir_type = ir_type_swizzle; + this->val = val; + this->mask = mask; + this->type = glsl_type::get_instance(val->type->base_type, + mask.num_components, 1); +} + +#define X 1 +#define R 5 +#define S 9 +#define I 13 + +ir_swizzle * +ir_swizzle::create(ir_rvalue *val, const char *str, unsigned vector_length) +{ + void *ctx = talloc_parent(val); + + /* For each possible swizzle character, this table encodes the value in + * \c idx_map that represents the 0th element of the vector. For invalid + * swizzle characters (e.g., 'k'), a special value is used that will allow + * detection of errors. + */ + static const unsigned char base_idx[26] = { + /* a b c d e f g h i j k l m */ + R, R, I, I, I, I, R, I, I, I, I, I, I, + /* n o p q r s t u v w x y z */ + I, I, S, S, R, S, S, I, I, X, X, X, X + }; + + /* Each valid swizzle character has an entry in the previous table. This + * table encodes the base index encoded in the previous table plus the actual + * index of the swizzle character. When processing swizzles, the first + * character in the string is indexed in the previous table. Each character + * in the string is indexed in this table, and the value found there has the + * value form the first table subtracted. The result must be on the range + * [0,3]. + * + * For example, the string "wzyx" will get X from the first table. Each of + * the charcaters will get X+3, X+2, X+1, and X+0 from this table. After + * subtraction, the swizzle values are { 3, 2, 1, 0 }. + * + * The string "wzrg" will get X from the first table. Each of the characters + * will get X+3, X+2, R+0, and R+1 from this table. After subtraction, the + * swizzle values are { 3, 2, 4, 5 }. Since 4 and 5 are outside the range + * [0,3], the error is detected. + */ + static const unsigned char idx_map[26] = { + /* a b c d e f g h i j k l m */ + R+3, R+2, 0, 0, 0, 0, R+1, 0, 0, 0, 0, 0, 0, + /* n o p q r s t u v w x y z */ + 0, 0, S+2, S+3, R+0, S+0, S+1, 0, 0, X+3, X+0, X+1, X+2 + }; + + int swiz_idx[4] = { 0, 0, 0, 0 }; + unsigned i; + + + /* Validate the first character in the swizzle string and look up the base + * index value as described above. + */ + if ((str[0] < 'a') || (str[0] > 'z')) + return NULL; + + const unsigned base = base_idx[str[0] - 'a']; + + + for (i = 0; (i < 4) && (str[i] != '\0'); i++) { + /* Validate the next character, and, as described above, convert it to a + * swizzle index. + */ + if ((str[i] < 'a') || (str[i] > 'z')) + return NULL; + + swiz_idx[i] = idx_map[str[i] - 'a'] - base; + if ((swiz_idx[i] < 0) || (swiz_idx[i] >= (int) vector_length)) + return NULL; + } + + if (str[i] != '\0') + return NULL; + + return new(ctx) ir_swizzle(val, swiz_idx[0], swiz_idx[1], swiz_idx[2], + swiz_idx[3], i); +} + +#undef X +#undef R +#undef S +#undef I + +ir_variable * +ir_swizzle::variable_referenced() +{ + return this->val->variable_referenced(); +} + + +ir_variable::ir_variable(const struct glsl_type *type, const char *name, + ir_variable_mode mode) + : max_array_access(0), read_only(false), centroid(false), invariant(false), + mode(mode), interpolation(ir_var_smooth), array_lvalue(false) +{ + this->ir_type = ir_type_variable; + this->type = type; + this->name = talloc_strdup(this, name); + this->explicit_location = false; + this->location = -1; + this->warn_extension = NULL; + this->constant_value = NULL; + this->origin_upper_left = false; + this->pixel_center_integer = false; + this->depth_layout = ir_depth_layout_none; + this->used = false; + + if (type && type->base_type == GLSL_TYPE_SAMPLER) + this->read_only = true; +} + + +const char * +ir_variable::interpolation_string() const +{ + switch (this->interpolation) { + case ir_var_smooth: return "smooth"; + case ir_var_flat: return "flat"; + case ir_var_noperspective: return "noperspective"; + } + + assert(!"Should not get here."); + return ""; +} + + +unsigned +ir_variable::component_slots() const +{ + /* FINISHME: Sparsely accessed arrays require fewer slots. */ + return this->type->component_slots(); +} + + +ir_function_signature::ir_function_signature(const glsl_type *return_type) + : return_type(return_type), is_defined(false), _function(NULL) +{ + this->ir_type = ir_type_function_signature; + this->is_builtin = false; +} + + +const char * +ir_function_signature::qualifiers_match(exec_list *params) +{ + exec_list_iterator iter_a = parameters.iterator(); + exec_list_iterator iter_b = params->iterator(); + + /* check that the qualifiers match. */ + while (iter_a.has_next()) { + ir_variable *a = (ir_variable *)iter_a.get(); + ir_variable *b = (ir_variable *)iter_b.get(); + + if (a->read_only != b->read_only || + a->mode != b->mode || + a->interpolation != b->interpolation || + a->centroid != b->centroid) { + + /* parameter a's qualifiers don't match */ + return a->name; + } + + iter_a.next(); + iter_b.next(); + } + return NULL; +} + + +void +ir_function_signature::replace_parameters(exec_list *new_params) +{ + /* Destroy all of the previous parameter information. If the previous + * parameter information comes from the function prototype, it may either + * specify incorrect parameter names or not have names at all. + */ + foreach_iter(exec_list_iterator, iter, parameters) { + assert(((ir_instruction *) iter.get())->as_variable() != NULL); + + iter.remove(); + } + + new_params->move_nodes_to(¶meters); +} + + +ir_function::ir_function(const char *name) +{ + this->ir_type = ir_type_function; + this->name = talloc_strdup(this, name); +} + + +bool +ir_function::has_user_signature() +{ + foreach_list(n, &this->signatures) { + ir_function_signature *const sig = (ir_function_signature *) n; + if (!sig->is_builtin) + return true; + } + return false; +} + + +ir_call * +ir_call::get_error_instruction(void *ctx) +{ + ir_call *call = new(ctx) ir_call; + + call->type = glsl_type::error_type; + return call; +} + +void +ir_call::set_callee(ir_function_signature *sig) +{ + assert((this->type == NULL) || (this->type == sig->return_type)); + + this->callee = sig; +} + +void +visit_exec_list(exec_list *list, ir_visitor *visitor) +{ + foreach_iter(exec_list_iterator, iter, *list) { + ((ir_instruction *)iter.get())->accept(visitor); + } +} + + +static void +steal_memory(ir_instruction *ir, void *new_ctx) +{ + ir_variable *var = ir->as_variable(); + ir_constant *constant = ir->as_constant(); + if (var != NULL && var->constant_value != NULL) + steal_memory(var->constant_value, ir); + + /* The components of aggregate constants are not visited by the normal + * visitor, so steal their values by hand. + */ + if (constant != NULL) { + if (constant->type->is_record()) { + foreach_iter(exec_list_iterator, iter, constant->components) { + ir_constant *field = (ir_constant *)iter.get(); + steal_memory(field, ir); + } + } else if (constant->type->is_array()) { + for (unsigned int i = 0; i < constant->type->length; i++) { + steal_memory(constant->array_elements[i], ir); + } + } + } + + talloc_steal(new_ctx, ir); +} + + +void +reparent_ir(exec_list *list, void *mem_ctx) +{ + foreach_list(node, list) { + visit_tree((ir_instruction *) node, steal_memory, mem_ctx); + } +} + + +static ir_rvalue * +try_min_one(ir_rvalue *ir) +{ + ir_expression *expr = ir->as_expression(); + + if (!expr || expr->operation != ir_binop_min) + return NULL; + + if (expr->operands[0]->is_one()) + return expr->operands[1]; + + if (expr->operands[1]->is_one()) + return expr->operands[0]; + + return NULL; +} + +static ir_rvalue * +try_max_zero(ir_rvalue *ir) +{ + ir_expression *expr = ir->as_expression(); + + if (!expr || expr->operation != ir_binop_max) + return NULL; + + if (expr->operands[0]->is_zero()) + return expr->operands[1]; + + if (expr->operands[1]->is_zero()) + return expr->operands[0]; + + return NULL; +} + +ir_rvalue * +ir_rvalue::as_rvalue_to_saturate() +{ + ir_expression *expr = this->as_expression(); + + if (!expr) + return NULL; + + ir_rvalue *max_zero = try_max_zero(expr); + if (max_zero) { + return try_min_one(max_zero); + } else { + ir_rvalue *min_one = try_min_one(expr); + if (min_one) { + return try_max_zero(min_one); + } + } + + return NULL; +} diff --git a/mesalib/src/glsl/ir.h b/mesalib/src/glsl/ir.h index 643fbf7c5..8d5056aa1 100644 --- a/mesalib/src/glsl/ir.h +++ b/mesalib/src/glsl/ir.h @@ -1,1615 +1,1642 @@ -/* -*- c++ -*- */ -/* - * Copyright © 2010 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - */ - -#pragma once -#ifndef IR_H -#define IR_H - -#include -#include - -extern "C" { -#include -} - -#include "glsl_types.h" -#include "list.h" -#include "ir_visitor.h" -#include "ir_hierarchical_visitor.h" - -/** - * \defgroup IR Intermediate representation nodes - * - * @{ - */ - -/** - * Class tags - * - * Each concrete class derived from \c ir_instruction has a value in this - * enumerant. The value for the type is stored in \c ir_instruction::ir_type - * by the constructor. While using type tags is not very C++, it is extremely - * convenient. For example, during debugging you can simply inspect - * \c ir_instruction::ir_type to find out the actual type of the object. - * - * In addition, it is possible to use a switch-statement based on \c - * \c ir_instruction::ir_type to select different behavior for different object - * types. For functions that have only slight differences for several object - * types, this allows writing very straightforward, readable code. - */ -enum ir_node_type { - /** - * Zero is unused so that the IR validator can detect cases where - * \c ir_instruction::ir_type has not been initialized. - */ - ir_type_unset, - ir_type_variable, - ir_type_assignment, - ir_type_call, - ir_type_constant, - ir_type_dereference_array, - ir_type_dereference_record, - ir_type_dereference_variable, - ir_type_discard, - ir_type_expression, - ir_type_function, - ir_type_function_signature, - ir_type_if, - ir_type_loop, - ir_type_loop_jump, - ir_type_return, - ir_type_swizzle, - ir_type_texture, - ir_type_max /**< maximum ir_type enum number, for validation */ -}; - -/** - * Base class of all IR instructions - */ -class ir_instruction : public exec_node { -public: - enum ir_node_type ir_type; - const struct glsl_type *type; - - /** ir_print_visitor helper for debugging. */ - void print(void) const; - - virtual void accept(ir_visitor *) = 0; - virtual ir_visitor_status accept(ir_hierarchical_visitor *) = 0; - virtual ir_instruction *clone(void *mem_ctx, - struct hash_table *ht) const = 0; - - /** - * \name IR instruction downcast functions - * - * These functions either cast the object to a derived class or return - * \c NULL if the object's type does not match the specified derived class. - * Additional downcast functions will be added as needed. - */ - /*@{*/ - virtual class ir_variable * as_variable() { return NULL; } - virtual class ir_function * as_function() { return NULL; } - virtual class ir_dereference * as_dereference() { return NULL; } - virtual class ir_dereference_array * as_dereference_array() { return NULL; } - virtual class ir_dereference_variable *as_dereference_variable() { return NULL; } - virtual class ir_expression * as_expression() { return NULL; } - virtual class ir_rvalue * as_rvalue() { return NULL; } - virtual class ir_loop * as_loop() { return NULL; } - virtual class ir_assignment * as_assignment() { return NULL; } - virtual class ir_call * as_call() { return NULL; } - virtual class ir_return * as_return() { return NULL; } - virtual class ir_if * as_if() { return NULL; } - virtual class ir_swizzle * as_swizzle() { return NULL; } - virtual class ir_constant * as_constant() { return NULL; } - virtual class ir_discard * as_discard() { return NULL; } - /*@}*/ - -protected: - ir_instruction() - { - ir_type = ir_type_unset; - type = NULL; - } -}; - - -class ir_rvalue : public ir_instruction { -public: - virtual ir_rvalue *clone(void *mem_ctx, struct hash_table *) const = 0; - - virtual ir_constant *constant_expression_value() = 0; - - virtual ir_rvalue * as_rvalue() - { - return this; - } - - ir_rvalue *as_rvalue_to_saturate(); - - virtual bool is_lvalue() - { - return false; - } - - /** - * Get the variable that is ultimately referenced by an r-value - */ - virtual ir_variable *variable_referenced() - { - return NULL; - } - - - /** - * If an r-value is a reference to a whole variable, get that variable - * - * \return - * Pointer to a variable that is completely dereferenced by the r-value. If - * the r-value is not a dereference or the dereference does not access the - * entire variable (i.e., it's just one array element, struct field), \c NULL - * is returned. - */ - virtual ir_variable *whole_variable_referenced() - { - return NULL; - } - - /** - * Determine if an r-value has the value zero - * - * The base implementation of this function always returns \c false. The - * \c ir_constant class over-rides this function to return \c true \b only - * for vector and scalar types that have all elements set to the value - * zero (or \c false for booleans). - * - * \sa ir_constant::has_value, ir_rvalue::is_one, ir_rvalue::is_negative_one - */ - virtual bool is_zero() const; - - /** - * Determine if an r-value has the value one - * - * The base implementation of this function always returns \c false. The - * \c ir_constant class over-rides this function to return \c true \b only - * for vector and scalar types that have all elements set to the value - * one (or \c true for booleans). - * - * \sa ir_constant::has_value, ir_rvalue::is_zero, ir_rvalue::is_negative_one - */ - virtual bool is_one() const; - - /** - * Determine if an r-value has the value negative one - * - * The base implementation of this function always returns \c false. The - * \c ir_constant class over-rides this function to return \c true \b only - * for vector and scalar types that have all elements set to the value - * negative one. For boolean times, the result is always \c false. - * - * \sa ir_constant::has_value, ir_rvalue::is_zero, ir_rvalue::is_one - */ - virtual bool is_negative_one() const; - -protected: - ir_rvalue(); -}; - - -/** - * Variable storage classes - */ -enum ir_variable_mode { - ir_var_auto = 0, /**< Function local variables and globals. */ - ir_var_uniform, /**< Variable declared as a uniform. */ - ir_var_in, - ir_var_out, - ir_var_inout, - ir_var_system_value, /**< Ex: front-face, instance-id, etc. */ - ir_var_temporary /**< Temporary variable generated during compilation. */ -}; - -enum ir_variable_interpolation { - ir_var_smooth = 0, - ir_var_flat, - ir_var_noperspective -}; - - -class ir_variable : public ir_instruction { -public: - ir_variable(const struct glsl_type *, const char *, ir_variable_mode); - - virtual ir_variable *clone(void *mem_ctx, struct hash_table *ht) const; - - virtual ir_variable *as_variable() - { - return this; - } - - virtual void accept(ir_visitor *v) - { - v->visit(this); - } - - virtual ir_visitor_status accept(ir_hierarchical_visitor *); - - - /** - * Get the string value for the interpolation qualifier - * - * \return The string that would be used in a shader to specify \c - * mode will be returned. - * - * This function should only be used on a shader input or output variable. - */ - const char *interpolation_string() const; - - /** - * Calculate the number of slots required to hold this variable - * - * This is used to determine how many uniform or varying locations a variable - * occupies. The count is in units of floating point components. - */ - unsigned component_slots() const; - - /** - * Delcared name of the variable - */ - const char *name; - - /** - * Highest element accessed with a constant expression array index - * - * Not used for non-array variables. - */ - unsigned max_array_access; - - /** - * Is the variable read-only? - * - * This is set for variables declared as \c const, shader inputs, - * and uniforms. - */ - unsigned read_only:1; - unsigned centroid:1; - unsigned invariant:1; - - /** - * Has this variable been used for reading or writing? - * - * Several GLSL semantic checks require knowledge of whether or not a - * variable has been used. For example, it is an error to redeclare a - * variable as invariant after it has been used. - */ - unsigned used:1; - - /** - * Storage class of the variable. - * - * \sa ir_variable_mode - */ - unsigned mode:3; - - /** - * Interpolation mode for shader inputs / outputs - * - * \sa ir_variable_interpolation - */ - unsigned interpolation:2; - - /** - * Flag that the whole array is assignable - * - * In GLSL 1.20 and later whole arrays are assignable (and comparable for - * equality). This flag enables this behavior. - */ - unsigned array_lvalue:1; - - /** - * \name ARB_fragment_coord_conventions - * @{ - */ - unsigned origin_upper_left:1; - unsigned pixel_center_integer:1; - /*@}*/ - - /** - * Was the location explicitly set in the shader? - * - * If the location is explicitly set in the shader, it \b cannot be changed - * by the linker or by the API (e.g., calls to \c glBindAttribLocation have - * no effect). - */ - unsigned explicit_location:1; - - /** - * Storage location of the base of this variable - * - * The precise meaning of this field depends on the nature of the variable. - * - * - Vertex shader input: one of the values from \c gl_vert_attrib. - * - Vertex shader output: one of the values from \c gl_vert_result. - * - Fragment shader input: one of the values from \c gl_frag_attrib. - * - Fragment shader output: one of the values from \c gl_frag_result. - * - Uniforms: Per-stage uniform slot number. - * - Other: This field is not currently used. - * - * If the variable is a uniform, shader input, or shader output, and the - * slot has not been assigned, the value will be -1. - */ - int location; - - /** - * Emit a warning if this variable is accessed. - */ - const char *warn_extension; - - /** - * Value assigned in the initializer of a variable declared "const" - */ - ir_constant *constant_value; -}; - - -/*@{*/ -/** - * The representation of a function instance; may be the full definition or - * simply a prototype. - */ -class ir_function_signature : public ir_instruction { - /* An ir_function_signature will be part of the list of signatures in - * an ir_function. - */ -public: - ir_function_signature(const glsl_type *return_type); - - virtual ir_function_signature *clone(void *mem_ctx, - struct hash_table *ht) const; - ir_function_signature *clone_prototype(void *mem_ctx, - struct hash_table *ht) const; - - virtual void accept(ir_visitor *v) - { - v->visit(this); - } - - virtual ir_visitor_status accept(ir_hierarchical_visitor *); - - /** - * Get the name of the function for which this is a signature - */ - const char *function_name() const; - - /** - * Get a handle to the function for which this is a signature - * - * There is no setter function, this function returns a \c const pointer, - * and \c ir_function_signature::_function is private for a reason. The - * only way to make a connection between a function and function signature - * is via \c ir_function::add_signature. This helps ensure that certain - * invariants (i.e., a function signature is in the list of signatures for - * its \c _function) are met. - * - * \sa ir_function::add_signature - */ - inline const class ir_function *function() const - { - return this->_function; - } - - /** - * Check whether the qualifiers match between this signature's parameters - * and the supplied parameter list. If not, returns the name of the first - * parameter with mismatched qualifiers (for use in error messages). - */ - const char *qualifiers_match(exec_list *params); - - /** - * Replace the current parameter list with the given one. This is useful - * if the current information came from a prototype, and either has invalid - * or missing parameter names. - */ - void replace_parameters(exec_list *new_params); - - /** - * Function return type. - * - * \note This discards the optional precision qualifier. - */ - const struct glsl_type *return_type; - - /** - * List of ir_variable of function parameters. - * - * This represents the storage. The paramaters passed in a particular - * call will be in ir_call::actual_paramaters. - */ - struct exec_list parameters; - - /** Whether or not this function has a body (which may be empty). */ - unsigned is_defined:1; - - /** Whether or not this function signature is a built-in. */ - unsigned is_builtin:1; - - /** Body of instructions in the function. */ - struct exec_list body; - -private: - /** Function of which this signature is one overload. */ - class ir_function *_function; - - friend class ir_function; -}; - - -/** - * Header for tracking multiple overloaded functions with the same name. - * Contains a list of ir_function_signatures representing each of the - * actual functions. - */ -class ir_function : public ir_instruction { -public: - ir_function(const char *name); - - virtual ir_function *clone(void *mem_ctx, struct hash_table *ht) const; - - virtual ir_function *as_function() - { - return this; - } - - virtual void accept(ir_visitor *v) - { - v->visit(this); - } - - virtual ir_visitor_status accept(ir_hierarchical_visitor *); - - void add_signature(ir_function_signature *sig) - { - sig->_function = this; - this->signatures.push_tail(sig); - } - - /** - * Get an iterator for the set of function signatures - */ - exec_list_iterator iterator() - { - return signatures.iterator(); - } - - /** - * Find a signature that matches a set of actual parameters, taking implicit - * conversions into account. - */ - ir_function_signature *matching_signature(const exec_list *actual_param); - - /** - * Find a signature that exactly matches a set of actual parameters without - * any implicit type conversions. - */ - ir_function_signature *exact_matching_signature(const exec_list *actual_ps); - - /** - * Name of the function. - */ - const char *name; - - /** Whether or not this function has a signature that isn't a built-in. */ - bool has_user_signature(); - - /** - * List of ir_function_signature for each overloaded function with this name. - */ - struct exec_list signatures; -}; - -inline const char *ir_function_signature::function_name() const -{ - return this->_function->name; -} -/*@}*/ - - -/** - * IR instruction representing high-level if-statements - */ -class ir_if : public ir_instruction { -public: - ir_if(ir_rvalue *condition) - : condition(condition) - { - ir_type = ir_type_if; - } - - virtual ir_if *clone(void *mem_ctx, struct hash_table *ht) const; - - virtual ir_if *as_if() - { - return this; - } - - virtual void accept(ir_visitor *v) - { - v->visit(this); - } - - virtual ir_visitor_status accept(ir_hierarchical_visitor *); - - ir_rvalue *condition; - /** List of ir_instruction for the body of the then branch */ - exec_list then_instructions; - /** List of ir_instruction for the body of the else branch */ - exec_list else_instructions; -}; - - -/** - * IR instruction representing a high-level loop structure. - */ -class ir_loop : public ir_instruction { -public: - ir_loop(); - - virtual ir_loop *clone(void *mem_ctx, struct hash_table *ht) const; - - virtual void accept(ir_visitor *v) - { - v->visit(this); - } - - virtual ir_visitor_status accept(ir_hierarchical_visitor *); - - virtual ir_loop *as_loop() - { - return this; - } - - /** - * Get an iterator for the instructions of the loop body - */ - exec_list_iterator iterator() - { - return body_instructions.iterator(); - } - - /** List of ir_instruction that make up the body of the loop. */ - exec_list body_instructions; - - /** - * \name Loop counter and controls - * - * Represents a loop like a FORTRAN \c do-loop. - * - * \note - * If \c from and \c to are the same value, the loop will execute once. - */ - /*@{*/ - ir_rvalue *from; /** Value of the loop counter on the first - * iteration of the loop. - */ - ir_rvalue *to; /** Value of the loop counter on the last - * iteration of the loop. - */ - ir_rvalue *increment; - ir_variable *counter; - - /** - * Comparison operation in the loop terminator. - * - * If any of the loop control fields are non-\c NULL, this field must be - * one of \c ir_binop_less, \c ir_binop_greater, \c ir_binop_lequal, - * \c ir_binop_gequal, \c ir_binop_equal, or \c ir_binop_nequal. - */ - int cmp; - /*@}*/ -}; - - -class ir_assignment : public ir_instruction { -public: - ir_assignment(ir_rvalue *lhs, ir_rvalue *rhs, ir_rvalue *condition); - - /** - * Construct an assignment with an explicit write mask - * - * \note - * Since a write mask is supplied, the LHS must already be a bare - * \c ir_dereference. The cannot be any swizzles in the LHS. - */ - ir_assignment(ir_dereference *lhs, ir_rvalue *rhs, ir_rvalue *condition, - unsigned write_mask); - - virtual ir_assignment *clone(void *mem_ctx, struct hash_table *ht) const; - - virtual ir_constant *constant_expression_value(); - - virtual void accept(ir_visitor *v) - { - v->visit(this); - } - - virtual ir_visitor_status accept(ir_hierarchical_visitor *); - - virtual ir_assignment * as_assignment() - { - return this; - } - - /** - * Get a whole variable written by an assignment - * - * If the LHS of the assignment writes a whole variable, the variable is - * returned. Otherwise \c NULL is returned. Examples of whole-variable - * assignment are: - * - * - Assigning to a scalar - * - Assigning to all components of a vector - * - Whole array (or matrix) assignment - * - Whole structure assignment - */ - ir_variable *whole_variable_written(); - - /** - * Set the LHS of an assignment - */ - void set_lhs(ir_rvalue *lhs); - - /** - * Left-hand side of the assignment. - * - * This should be treated as read only. If you need to set the LHS of an - * assignment, use \c ir_assignment::set_lhs. - */ - ir_dereference *lhs; - - /** - * Value being assigned - */ - ir_rvalue *rhs; - - /** - * Optional condition for the assignment. - */ - ir_rvalue *condition; - - - /** - * Component mask written - * - * For non-vector types in the LHS, this field will be zero. For vector - * types, a bit will be set for each component that is written. Note that - * for \c vec2 and \c vec3 types only the lower bits will ever be set. - * - * A partially-set write mask means that each enabled channel gets - * the value from a consecutive channel of the rhs. For example, - * to write just .xyw of gl_FrontColor with color: - * - * (assign (constant bool (1)) (xyw) - * (var_ref gl_FragColor) - * (swiz xyw (var_ref color))) - */ - unsigned write_mask:4; -}; - -/* Update ir_expression::num_operands() and operator_strs when - * updating this list. - */ -enum ir_expression_operation { - ir_unop_bit_not, - ir_unop_logic_not, - ir_unop_neg, - ir_unop_abs, - ir_unop_sign, - ir_unop_rcp, - ir_unop_rsq, - ir_unop_sqrt, - ir_unop_exp, /**< Log base e on gentype */ - ir_unop_log, /**< Natural log on gentype */ - ir_unop_exp2, - ir_unop_log2, - ir_unop_f2i, /**< Float-to-integer conversion. */ - ir_unop_i2f, /**< Integer-to-float conversion. */ - ir_unop_f2b, /**< Float-to-boolean conversion */ - ir_unop_b2f, /**< Boolean-to-float conversion */ - ir_unop_i2b, /**< int-to-boolean conversion */ - ir_unop_b2i, /**< Boolean-to-int conversion */ - ir_unop_u2f, /**< Unsigned-to-float conversion. */ - ir_unop_any, - - /** - * \name Unary floating-point rounding operations. - */ - /*@{*/ - ir_unop_trunc, - ir_unop_ceil, - ir_unop_floor, - ir_unop_fract, - ir_unop_round_even, - /*@}*/ - - /** - * \name Trigonometric operations. - */ - /*@{*/ - ir_unop_sin, - ir_unop_cos, - ir_unop_sin_reduced, /**< Reduced range sin. [-pi, pi] */ - ir_unop_cos_reduced, /**< Reduced range cos. [-pi, pi] */ - /*@}*/ - - /** - * \name Partial derivatives. - */ - /*@{*/ - ir_unop_dFdx, - ir_unop_dFdy, - /*@}*/ - - ir_unop_noise, - - /** - * A sentinel marking the last of the unary operations. - */ - ir_last_unop = ir_unop_noise, - - ir_binop_add, - ir_binop_sub, - ir_binop_mul, - ir_binop_div, - - /** - * Takes one of two combinations of arguments: - * - * - mod(vecN, vecN) - * - mod(vecN, float) - * - * Does not take integer types. - */ - ir_binop_mod, - - /** - * \name Binary comparison operators which return a boolean vector. - * The type of both operands must be equal. - */ - /*@{*/ - ir_binop_less, - ir_binop_greater, - ir_binop_lequal, - ir_binop_gequal, - ir_binop_equal, - ir_binop_nequal, - /** - * Returns single boolean for whether all components of operands[0] - * equal the components of operands[1]. - */ - ir_binop_all_equal, - /** - * Returns single boolean for whether any component of operands[0] - * is not equal to the corresponding component of operands[1]. - */ - ir_binop_any_nequal, - /*@}*/ - - /** - * \name Bit-wise binary operations. - */ - /*@{*/ - ir_binop_lshift, - ir_binop_rshift, - ir_binop_bit_and, - ir_binop_bit_xor, - ir_binop_bit_or, - /*@}*/ - - ir_binop_logic_and, - ir_binop_logic_xor, - ir_binop_logic_or, - - ir_binop_dot, - ir_binop_min, - ir_binop_max, - - ir_binop_pow, - - /** - * A sentinel marking the last of the binary operations. - */ - ir_last_binop = ir_binop_pow, - - ir_quadop_vector, - - /** - * A sentinel marking the last of all operations. - */ - ir_last_opcode = ir_last_binop -}; - -class ir_expression : public ir_rvalue { -public: - /** - * Constructor for unary operation expressions - */ - ir_expression(int op, const struct glsl_type *type, ir_rvalue *); - ir_expression(int op, ir_rvalue *); - - /** - * Constructor for binary operation expressions - */ - ir_expression(int op, const struct glsl_type *type, - ir_rvalue *, ir_rvalue *); - ir_expression(int op, ir_rvalue *op0, ir_rvalue *op1); - - /** - * Constructor for quad operator expressions - */ - ir_expression(int op, const struct glsl_type *type, - ir_rvalue *, ir_rvalue *, ir_rvalue *, ir_rvalue *); - - virtual ir_expression *as_expression() - { - return this; - } - - virtual ir_expression *clone(void *mem_ctx, struct hash_table *ht) const; - - /** - * Attempt to constant-fold the expression - * - * If the expression cannot be constant folded, this method will return - * \c NULL. - */ - virtual ir_constant *constant_expression_value(); - - /** - * Determine the number of operands used by an expression - */ - static unsigned int get_num_operands(ir_expression_operation); - - /** - * Determine the number of operands used by an expression - */ - unsigned int get_num_operands() const - { - return (this->operation == ir_quadop_vector) - ? this->type->vector_elements : get_num_operands(operation); - } - - /** - * Return a string representing this expression's operator. - */ - const char *operator_string(); - - /** - * Return a string representing this expression's operator. - */ - static const char *operator_string(ir_expression_operation); - - - /** - * Do a reverse-lookup to translate the given string into an operator. - */ - static ir_expression_operation get_operator(const char *); - - virtual void accept(ir_visitor *v) - { - v->visit(this); - } - - virtual ir_visitor_status accept(ir_hierarchical_visitor *); - - ir_expression_operation operation; - ir_rvalue *operands[4]; -}; - - -/** - * IR instruction representing a function call - */ -class ir_call : public ir_rvalue { -public: - ir_call(ir_function_signature *callee, exec_list *actual_parameters) - : callee(callee) - { - ir_type = ir_type_call; - assert(callee->return_type != NULL); - type = callee->return_type; - actual_parameters->move_nodes_to(& this->actual_parameters); - } - - virtual ir_call *clone(void *mem_ctx, struct hash_table *ht) const; - - virtual ir_constant *constant_expression_value(); - - virtual ir_call *as_call() - { - return this; - } - - virtual void accept(ir_visitor *v) - { - v->visit(this); - } - - virtual ir_visitor_status accept(ir_hierarchical_visitor *); - - /** - * Get a generic ir_call object when an error occurs - * - * Any allocation will be performed with 'ctx' as talloc owner. - */ - static ir_call *get_error_instruction(void *ctx); - - /** - * Get an iterator for the set of acutal parameters - */ - exec_list_iterator iterator() - { - return actual_parameters.iterator(); - } - - /** - * Get the name of the function being called. - */ - const char *callee_name() const - { - return callee->function_name(); - } - - /** - * Get the function signature bound to this function call - */ - ir_function_signature *get_callee() - { - return callee; - } - - /** - * Set the function call target - */ - void set_callee(ir_function_signature *sig); - - /** - * Generates an inline version of the function before @ir, - * returning the return value of the function. - */ - ir_rvalue *generate_inline(ir_instruction *ir); - - /* List of ir_rvalue of paramaters passed in this call. */ - exec_list actual_parameters; - -private: - ir_call() - : callee(NULL) - { - this->ir_type = ir_type_call; - } - - ir_function_signature *callee; -}; - - -/** - * \name Jump-like IR instructions. - * - * These include \c break, \c continue, \c return, and \c discard. - */ -/*@{*/ -class ir_jump : public ir_instruction { -protected: - ir_jump() - { - ir_type = ir_type_unset; - } -}; - -class ir_return : public ir_jump { -public: - ir_return() - : value(NULL) - { - this->ir_type = ir_type_return; - } - - ir_return(ir_rvalue *value) - : value(value) - { - this->ir_type = ir_type_return; - } - - virtual ir_return *clone(void *mem_ctx, struct hash_table *) const; - - virtual ir_return *as_return() - { - return this; - } - - ir_rvalue *get_value() const - { - return value; - } - - virtual void accept(ir_visitor *v) - { - v->visit(this); - } - - virtual ir_visitor_status accept(ir_hierarchical_visitor *); - - ir_rvalue *value; -}; - - -/** - * Jump instructions used inside loops - * - * These include \c break and \c continue. The \c break within a loop is - * different from the \c break within a switch-statement. - * - * \sa ir_switch_jump - */ -class ir_loop_jump : public ir_jump { -public: - enum jump_mode { - jump_break, - jump_continue - }; - - ir_loop_jump(jump_mode mode) - { - this->ir_type = ir_type_loop_jump; - this->mode = mode; - this->loop = loop; - } - - virtual ir_loop_jump *clone(void *mem_ctx, struct hash_table *) const; - - virtual void accept(ir_visitor *v) - { - v->visit(this); - } - - virtual ir_visitor_status accept(ir_hierarchical_visitor *); - - bool is_break() const - { - return mode == jump_break; - } - - bool is_continue() const - { - return mode == jump_continue; - } - - /** Mode selector for the jump instruction. */ - enum jump_mode mode; -private: - /** Loop containing this break instruction. */ - ir_loop *loop; -}; - -/** - * IR instruction representing discard statements. - */ -class ir_discard : public ir_jump { -public: - ir_discard() - { - this->ir_type = ir_type_discard; - this->condition = NULL; - } - - ir_discard(ir_rvalue *cond) - { - this->ir_type = ir_type_discard; - this->condition = cond; - } - - virtual ir_discard *clone(void *mem_ctx, struct hash_table *ht) const; - - virtual void accept(ir_visitor *v) - { - v->visit(this); - } - - virtual ir_visitor_status accept(ir_hierarchical_visitor *); - - virtual ir_discard *as_discard() - { - return this; - } - - ir_rvalue *condition; -}; -/*@}*/ - - -/** - * Texture sampling opcodes used in ir_texture - */ -enum ir_texture_opcode { - ir_tex, /**< Regular texture look-up */ - ir_txb, /**< Texture look-up with LOD bias */ - ir_txl, /**< Texture look-up with explicit LOD */ - ir_txd, /**< Texture look-up with partial derivatvies */ - ir_txf /**< Texel fetch with explicit LOD */ -}; - - -/** - * IR instruction to sample a texture - * - * The specific form of the IR instruction depends on the \c mode value - * selected from \c ir_texture_opcodes. In the printed IR, these will - * appear as: - * - * Texel offset - * | Projection divisor - * | | Shadow comparitor - * | | | - * v v v - * (tex (sampler) (coordinate) (0 0 0) (1) ( )) - * (txb (sampler) (coordinate) (0 0 0) (1) ( ) (bias)) - * (txl (sampler) (coordinate) (0 0 0) (1) ( ) (lod)) - * (txd (sampler) (coordinate) (0 0 0) (1) ( ) (dPdx dPdy)) - * (txf (sampler) (coordinate) (0 0 0) (lod)) - */ -class ir_texture : public ir_rvalue { -public: - ir_texture(enum ir_texture_opcode op) - : op(op), projector(NULL), shadow_comparitor(NULL) - { - this->ir_type = ir_type_texture; - } - - virtual ir_texture *clone(void *mem_ctx, struct hash_table *) const; - - virtual ir_constant *constant_expression_value(); - - virtual void accept(ir_visitor *v) - { - v->visit(this); - } - - virtual ir_visitor_status accept(ir_hierarchical_visitor *); - - /** - * Return a string representing the ir_texture_opcode. - */ - const char *opcode_string(); - - /** Set the sampler and infer the type. */ - void set_sampler(ir_dereference *sampler); - - /** - * Do a reverse-lookup to translate a string into an ir_texture_opcode. - */ - static ir_texture_opcode get_opcode(const char *); - - enum ir_texture_opcode op; - - /** Sampler to use for the texture access. */ - ir_dereference *sampler; - - /** Texture coordinate to sample */ - ir_rvalue *coordinate; - - /** - * Value used for projective divide. - * - * If there is no projective divide (the common case), this will be - * \c NULL. Optimization passes should check for this to point to a constant - * of 1.0 and replace that with \c NULL. - */ - ir_rvalue *projector; - - /** - * Coordinate used for comparison on shadow look-ups. - * - * If there is no shadow comparison, this will be \c NULL. For the - * \c ir_txf opcode, this *must* be \c NULL. - */ - ir_rvalue *shadow_comparitor; - - /** Explicit texel offsets. */ - signed char offsets[3]; - - union { - ir_rvalue *lod; /**< Floating point LOD */ - ir_rvalue *bias; /**< Floating point LOD bias */ - struct { - ir_rvalue *dPdx; /**< Partial derivative of coordinate wrt X */ - ir_rvalue *dPdy; /**< Partial derivative of coordinate wrt Y */ - } grad; - } lod_info; -}; - - -struct ir_swizzle_mask { - unsigned x:2; - unsigned y:2; - unsigned z:2; - unsigned w:2; - - /** - * Number of components in the swizzle. - */ - unsigned num_components:3; - - /** - * Does the swizzle contain duplicate components? - * - * L-value swizzles cannot contain duplicate components. - */ - unsigned has_duplicates:1; -}; - - -class ir_swizzle : public ir_rvalue { -public: - ir_swizzle(ir_rvalue *, unsigned x, unsigned y, unsigned z, unsigned w, - unsigned count); - - ir_swizzle(ir_rvalue *val, const unsigned *components, unsigned count); - - ir_swizzle(ir_rvalue *val, ir_swizzle_mask mask); - - virtual ir_swizzle *clone(void *mem_ctx, struct hash_table *) const; - - virtual ir_constant *constant_expression_value(); - - virtual ir_swizzle *as_swizzle() - { - return this; - } - - /** - * Construct an ir_swizzle from the textual representation. Can fail. - */ - static ir_swizzle *create(ir_rvalue *, const char *, unsigned vector_length); - - virtual void accept(ir_visitor *v) - { - v->visit(this); - } - - virtual ir_visitor_status accept(ir_hierarchical_visitor *); - - bool is_lvalue() - { - return val->is_lvalue() && !mask.has_duplicates; - } - - /** - * Get the variable that is ultimately referenced by an r-value - */ - virtual ir_variable *variable_referenced(); - - ir_rvalue *val; - ir_swizzle_mask mask; - -private: - /** - * Initialize the mask component of a swizzle - * - * This is used by the \c ir_swizzle constructors. - */ - void init_mask(const unsigned *components, unsigned count); -}; - - -class ir_dereference : public ir_rvalue { -public: - virtual ir_dereference *clone(void *mem_ctx, struct hash_table *) const = 0; - - virtual ir_dereference *as_dereference() - { - return this; - } - - bool is_lvalue(); - - /** - * Get the variable that is ultimately referenced by an r-value - */ - virtual ir_variable *variable_referenced() = 0; -}; - - -class ir_dereference_variable : public ir_dereference { -public: - ir_dereference_variable(ir_variable *var); - - virtual ir_dereference_variable *clone(void *mem_ctx, - struct hash_table *) const; - - virtual ir_constant *constant_expression_value(); - - virtual ir_dereference_variable *as_dereference_variable() - { - return this; - } - - /** - * Get the variable that is ultimately referenced by an r-value - */ - virtual ir_variable *variable_referenced() - { - return this->var; - } - - virtual ir_variable *whole_variable_referenced() - { - /* ir_dereference_variable objects always dereference the entire - * variable. However, if this dereference is dereferenced by anything - * else, the complete deferefernce chain is not a whole-variable - * dereference. This method should only be called on the top most - * ir_rvalue in a dereference chain. - */ - return this->var; - } - - virtual void accept(ir_visitor *v) - { - v->visit(this); - } - - virtual ir_visitor_status accept(ir_hierarchical_visitor *); - - /** - * Object being dereferenced. - */ - ir_variable *var; -}; - - -class ir_dereference_array : public ir_dereference { -public: - ir_dereference_array(ir_rvalue *value, ir_rvalue *array_index); - - ir_dereference_array(ir_variable *var, ir_rvalue *array_index); - - virtual ir_dereference_array *clone(void *mem_ctx, - struct hash_table *) const; - - virtual ir_constant *constant_expression_value(); - - virtual ir_dereference_array *as_dereference_array() - { - return this; - } - - /** - * Get the variable that is ultimately referenced by an r-value - */ - virtual ir_variable *variable_referenced() - { - return this->array->variable_referenced(); - } - - virtual void accept(ir_visitor *v) - { - v->visit(this); - } - - virtual ir_visitor_status accept(ir_hierarchical_visitor *); - - ir_rvalue *array; - ir_rvalue *array_index; - -private: - void set_array(ir_rvalue *value); -}; - - -class ir_dereference_record : public ir_dereference { -public: - ir_dereference_record(ir_rvalue *value, const char *field); - - ir_dereference_record(ir_variable *var, const char *field); - - virtual ir_dereference_record *clone(void *mem_ctx, - struct hash_table *) const; - - virtual ir_constant *constant_expression_value(); - - /** - * Get the variable that is ultimately referenced by an r-value - */ - virtual ir_variable *variable_referenced() - { - return this->record->variable_referenced(); - } - - virtual void accept(ir_visitor *v) - { - v->visit(this); - } - - virtual ir_visitor_status accept(ir_hierarchical_visitor *); - - ir_rvalue *record; - const char *field; -}; - - -/** - * Data stored in an ir_constant - */ -union ir_constant_data { - unsigned u[16]; - int i[16]; - float f[16]; - bool b[16]; -}; - - -class ir_constant : public ir_rvalue { -public: - ir_constant(const struct glsl_type *type, const ir_constant_data *data); - ir_constant(bool b); - ir_constant(unsigned int u); - ir_constant(int i); - ir_constant(float f); - - /** - * Construct an ir_constant from a list of ir_constant values - */ - ir_constant(const struct glsl_type *type, exec_list *values); - - /** - * Construct an ir_constant from a scalar component of another ir_constant - * - * The new \c ir_constant inherits the type of the component from the - * source constant. - * - * \note - * In the case of a matrix constant, the new constant is a scalar, \b not - * a vector. - */ - ir_constant(const ir_constant *c, unsigned i); - - /** - * Return a new ir_constant of the specified type containing all zeros. - */ - static ir_constant *zero(void *mem_ctx, const glsl_type *type); - - virtual ir_constant *clone(void *mem_ctx, struct hash_table *) const; - - virtual ir_constant *constant_expression_value(); - - virtual ir_constant *as_constant() - { - return this; - } - - virtual void accept(ir_visitor *v) - { - v->visit(this); - } - - virtual ir_visitor_status accept(ir_hierarchical_visitor *); - - /** - * Get a particular component of a constant as a specific type - * - * This is useful, for example, to get a value from an integer constant - * as a float or bool. This appears frequently when constructors are - * called with all constant parameters. - */ - /*@{*/ - bool get_bool_component(unsigned i) const; - float get_float_component(unsigned i) const; - int get_int_component(unsigned i) const; - unsigned get_uint_component(unsigned i) const; - /*@}*/ - - ir_constant *get_array_element(unsigned i) const; - - ir_constant *get_record_field(const char *name); - - /** - * Determine whether a constant has the same value as another constant - * - * \sa ir_constant::is_zero, ir_constant::is_one, - * ir_constant::is_negative_one - */ - bool has_value(const ir_constant *) const; - - virtual bool is_zero() const; - virtual bool is_one() const; - virtual bool is_negative_one() const; - - /** - * Value of the constant. - * - * The field used to back the values supplied by the constant is determined - * by the type associated with the \c ir_instruction. Constants may be - * scalars, vectors, or matrices. - */ - union ir_constant_data value; - - /* Array elements */ - ir_constant **array_elements; - - /* Structure fields */ - exec_list components; - -private: - /** - * Parameterless constructor only used by the clone method - */ - ir_constant(void); -}; - -/*@}*/ - -/** - * Apply a visitor to each IR node in a list - */ -void -visit_exec_list(exec_list *list, ir_visitor *visitor); - -/** - * Validate invariants on each IR node in a list - */ -void validate_ir_tree(exec_list *instructions); - -/** - * Make a clone of each IR instruction in a list - * - * \param in List of IR instructions that are to be cloned - * \param out List to hold the cloned instructions - */ -void -clone_ir_list(void *mem_ctx, exec_list *out, const exec_list *in); - -extern void -_mesa_glsl_initialize_variables(exec_list *instructions, - struct _mesa_glsl_parse_state *state); - -extern void -_mesa_glsl_initialize_functions(_mesa_glsl_parse_state *state); - -extern void -_mesa_glsl_release_functions(void); - -extern void -reparent_ir(exec_list *list, void *mem_ctx); - -struct glsl_symbol_table; - -extern void -import_prototypes(const exec_list *source, exec_list *dest, - struct glsl_symbol_table *symbols, void *mem_ctx); - -extern bool -ir_has_call(ir_instruction *ir); - -extern void -do_set_program_inouts(exec_list *instructions, struct gl_program *prog); - -#endif /* IR_H */ +/* -*- c++ -*- */ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#pragma once +#ifndef IR_H +#define IR_H + +#include +#include + +extern "C" { +#include +} + +#include "glsl_types.h" +#include "list.h" +#include "ir_visitor.h" +#include "ir_hierarchical_visitor.h" + +/** + * \defgroup IR Intermediate representation nodes + * + * @{ + */ + +/** + * Class tags + * + * Each concrete class derived from \c ir_instruction has a value in this + * enumerant. The value for the type is stored in \c ir_instruction::ir_type + * by the constructor. While using type tags is not very C++, it is extremely + * convenient. For example, during debugging you can simply inspect + * \c ir_instruction::ir_type to find out the actual type of the object. + * + * In addition, it is possible to use a switch-statement based on \c + * \c ir_instruction::ir_type to select different behavior for different object + * types. For functions that have only slight differences for several object + * types, this allows writing very straightforward, readable code. + */ +enum ir_node_type { + /** + * Zero is unused so that the IR validator can detect cases where + * \c ir_instruction::ir_type has not been initialized. + */ + ir_type_unset, + ir_type_variable, + ir_type_assignment, + ir_type_call, + ir_type_constant, + ir_type_dereference_array, + ir_type_dereference_record, + ir_type_dereference_variable, + ir_type_discard, + ir_type_expression, + ir_type_function, + ir_type_function_signature, + ir_type_if, + ir_type_loop, + ir_type_loop_jump, + ir_type_return, + ir_type_swizzle, + ir_type_texture, + ir_type_max /**< maximum ir_type enum number, for validation */ +}; + +/** + * Base class of all IR instructions + */ +class ir_instruction : public exec_node { +public: + enum ir_node_type ir_type; + const struct glsl_type *type; + + /** ir_print_visitor helper for debugging. */ + void print(void) const; + + virtual void accept(ir_visitor *) = 0; + virtual ir_visitor_status accept(ir_hierarchical_visitor *) = 0; + virtual ir_instruction *clone(void *mem_ctx, + struct hash_table *ht) const = 0; + + /** + * \name IR instruction downcast functions + * + * These functions either cast the object to a derived class or return + * \c NULL if the object's type does not match the specified derived class. + * Additional downcast functions will be added as needed. + */ + /*@{*/ + virtual class ir_variable * as_variable() { return NULL; } + virtual class ir_function * as_function() { return NULL; } + virtual class ir_dereference * as_dereference() { return NULL; } + virtual class ir_dereference_array * as_dereference_array() { return NULL; } + virtual class ir_dereference_variable *as_dereference_variable() { return NULL; } + virtual class ir_expression * as_expression() { return NULL; } + virtual class ir_rvalue * as_rvalue() { return NULL; } + virtual class ir_loop * as_loop() { return NULL; } + virtual class ir_assignment * as_assignment() { return NULL; } + virtual class ir_call * as_call() { return NULL; } + virtual class ir_return * as_return() { return NULL; } + virtual class ir_if * as_if() { return NULL; } + virtual class ir_swizzle * as_swizzle() { return NULL; } + virtual class ir_constant * as_constant() { return NULL; } + virtual class ir_discard * as_discard() { return NULL; } + /*@}*/ + +protected: + ir_instruction() + { + ir_type = ir_type_unset; + type = NULL; + } +}; + + +class ir_rvalue : public ir_instruction { +public: + virtual ir_rvalue *clone(void *mem_ctx, struct hash_table *) const = 0; + + virtual ir_constant *constant_expression_value() = 0; + + virtual ir_rvalue * as_rvalue() + { + return this; + } + + ir_rvalue *as_rvalue_to_saturate(); + + virtual bool is_lvalue() + { + return false; + } + + /** + * Get the variable that is ultimately referenced by an r-value + */ + virtual ir_variable *variable_referenced() + { + return NULL; + } + + + /** + * If an r-value is a reference to a whole variable, get that variable + * + * \return + * Pointer to a variable that is completely dereferenced by the r-value. If + * the r-value is not a dereference or the dereference does not access the + * entire variable (i.e., it's just one array element, struct field), \c NULL + * is returned. + */ + virtual ir_variable *whole_variable_referenced() + { + return NULL; + } + + /** + * Determine if an r-value has the value zero + * + * The base implementation of this function always returns \c false. The + * \c ir_constant class over-rides this function to return \c true \b only + * for vector and scalar types that have all elements set to the value + * zero (or \c false for booleans). + * + * \sa ir_constant::has_value, ir_rvalue::is_one, ir_rvalue::is_negative_one + */ + virtual bool is_zero() const; + + /** + * Determine if an r-value has the value one + * + * The base implementation of this function always returns \c false. The + * \c ir_constant class over-rides this function to return \c true \b only + * for vector and scalar types that have all elements set to the value + * one (or \c true for booleans). + * + * \sa ir_constant::has_value, ir_rvalue::is_zero, ir_rvalue::is_negative_one + */ + virtual bool is_one() const; + + /** + * Determine if an r-value has the value negative one + * + * The base implementation of this function always returns \c false. The + * \c ir_constant class over-rides this function to return \c true \b only + * for vector and scalar types that have all elements set to the value + * negative one. For boolean times, the result is always \c false. + * + * \sa ir_constant::has_value, ir_rvalue::is_zero, ir_rvalue::is_one + */ + virtual bool is_negative_one() const; + +protected: + ir_rvalue(); +}; + + +/** + * Variable storage classes + */ +enum ir_variable_mode { + ir_var_auto = 0, /**< Function local variables and globals. */ + ir_var_uniform, /**< Variable declared as a uniform. */ + ir_var_in, + ir_var_out, + ir_var_inout, + ir_var_system_value, /**< Ex: front-face, instance-id, etc. */ + ir_var_temporary /**< Temporary variable generated during compilation. */ +}; + +enum ir_variable_interpolation { + ir_var_smooth = 0, + ir_var_flat, + ir_var_noperspective +}; + +/** + * \brief Layout qualifiers for gl_FragDepth. + * + * The AMD_conservative_depth extension allows gl_FragDepth to be redeclared + * with a layout qualifier. + */ +enum ir_depth_layout { + ir_depth_layout_none, /**< No depth layout is specified. */ + ir_depth_layout_any, + ir_depth_layout_greater, + ir_depth_layout_less, + ir_depth_layout_unchanged +}; + +/** + * \brief Convert depth layout qualifier to string. + */ +const char* +depth_layout_string(ir_depth_layout layout); + +class ir_variable : public ir_instruction { +public: + ir_variable(const struct glsl_type *, const char *, ir_variable_mode); + + virtual ir_variable *clone(void *mem_ctx, struct hash_table *ht) const; + + virtual ir_variable *as_variable() + { + return this; + } + + virtual void accept(ir_visitor *v) + { + v->visit(this); + } + + virtual ir_visitor_status accept(ir_hierarchical_visitor *); + + + /** + * Get the string value for the interpolation qualifier + * + * \return The string that would be used in a shader to specify \c + * mode will be returned. + * + * This function should only be used on a shader input or output variable. + */ + const char *interpolation_string() const; + + /** + * Calculate the number of slots required to hold this variable + * + * This is used to determine how many uniform or varying locations a variable + * occupies. The count is in units of floating point components. + */ + unsigned component_slots() const; + + /** + * Delcared name of the variable + */ + const char *name; + + /** + * Highest element accessed with a constant expression array index + * + * Not used for non-array variables. + */ + unsigned max_array_access; + + /** + * Is the variable read-only? + * + * This is set for variables declared as \c const, shader inputs, + * and uniforms. + */ + unsigned read_only:1; + unsigned centroid:1; + unsigned invariant:1; + + /** + * Has this variable been used for reading or writing? + * + * Several GLSL semantic checks require knowledge of whether or not a + * variable has been used. For example, it is an error to redeclare a + * variable as invariant after it has been used. + */ + unsigned used:1; + + /** + * Storage class of the variable. + * + * \sa ir_variable_mode + */ + unsigned mode:3; + + /** + * Interpolation mode for shader inputs / outputs + * + * \sa ir_variable_interpolation + */ + unsigned interpolation:2; + + /** + * Flag that the whole array is assignable + * + * In GLSL 1.20 and later whole arrays are assignable (and comparable for + * equality). This flag enables this behavior. + */ + unsigned array_lvalue:1; + + /** + * \name ARB_fragment_coord_conventions + * @{ + */ + unsigned origin_upper_left:1; + unsigned pixel_center_integer:1; + /*@}*/ + + /** + * \brief Layout qualifier for gl_FragDepth. + * + * This is not equal to \c ir_depth_layout_none if and only if this + * variable is \c gl_FragDepth and a layout qualifier is specified. + */ + ir_depth_layout depth_layout; + + /** + * Was the location explicitly set in the shader? + * + * If the location is explicitly set in the shader, it \b cannot be changed + * by the linker or by the API (e.g., calls to \c glBindAttribLocation have + * no effect). + */ + unsigned explicit_location:1; + + /** + * Storage location of the base of this variable + * + * The precise meaning of this field depends on the nature of the variable. + * + * - Vertex shader input: one of the values from \c gl_vert_attrib. + * - Vertex shader output: one of the values from \c gl_vert_result. + * - Fragment shader input: one of the values from \c gl_frag_attrib. + * - Fragment shader output: one of the values from \c gl_frag_result. + * - Uniforms: Per-stage uniform slot number. + * - Other: This field is not currently used. + * + * If the variable is a uniform, shader input, or shader output, and the + * slot has not been assigned, the value will be -1. + */ + int location; + + /** + * Emit a warning if this variable is accessed. + */ + const char *warn_extension; + + /** + * Value assigned in the initializer of a variable declared "const" + */ + ir_constant *constant_value; +}; + + +/*@{*/ +/** + * The representation of a function instance; may be the full definition or + * simply a prototype. + */ +class ir_function_signature : public ir_instruction { + /* An ir_function_signature will be part of the list of signatures in + * an ir_function. + */ +public: + ir_function_signature(const glsl_type *return_type); + + virtual ir_function_signature *clone(void *mem_ctx, + struct hash_table *ht) const; + ir_function_signature *clone_prototype(void *mem_ctx, + struct hash_table *ht) const; + + virtual void accept(ir_visitor *v) + { + v->visit(this); + } + + virtual ir_visitor_status accept(ir_hierarchical_visitor *); + + /** + * Get the name of the function for which this is a signature + */ + const char *function_name() const; + + /** + * Get a handle to the function for which this is a signature + * + * There is no setter function, this function returns a \c const pointer, + * and \c ir_function_signature::_function is private for a reason. The + * only way to make a connection between a function and function signature + * is via \c ir_function::add_signature. This helps ensure that certain + * invariants (i.e., a function signature is in the list of signatures for + * its \c _function) are met. + * + * \sa ir_function::add_signature + */ + inline const class ir_function *function() const + { + return this->_function; + } + + /** + * Check whether the qualifiers match between this signature's parameters + * and the supplied parameter list. If not, returns the name of the first + * parameter with mismatched qualifiers (for use in error messages). + */ + const char *qualifiers_match(exec_list *params); + + /** + * Replace the current parameter list with the given one. This is useful + * if the current information came from a prototype, and either has invalid + * or missing parameter names. + */ + void replace_parameters(exec_list *new_params); + + /** + * Function return type. + * + * \note This discards the optional precision qualifier. + */ + const struct glsl_type *return_type; + + /** + * List of ir_variable of function parameters. + * + * This represents the storage. The paramaters passed in a particular + * call will be in ir_call::actual_paramaters. + */ + struct exec_list parameters; + + /** Whether or not this function has a body (which may be empty). */ + unsigned is_defined:1; + + /** Whether or not this function signature is a built-in. */ + unsigned is_builtin:1; + + /** Body of instructions in the function. */ + struct exec_list body; + +private: + /** Function of which this signature is one overload. */ + class ir_function *_function; + + friend class ir_function; +}; + + +/** + * Header for tracking multiple overloaded functions with the same name. + * Contains a list of ir_function_signatures representing each of the + * actual functions. + */ +class ir_function : public ir_instruction { +public: + ir_function(const char *name); + + virtual ir_function *clone(void *mem_ctx, struct hash_table *ht) const; + + virtual ir_function *as_function() + { + return this; + } + + virtual void accept(ir_visitor *v) + { + v->visit(this); + } + + virtual ir_visitor_status accept(ir_hierarchical_visitor *); + + void add_signature(ir_function_signature *sig) + { + sig->_function = this; + this->signatures.push_tail(sig); + } + + /** + * Get an iterator for the set of function signatures + */ + exec_list_iterator iterator() + { + return signatures.iterator(); + } + + /** + * Find a signature that matches a set of actual parameters, taking implicit + * conversions into account. + */ + ir_function_signature *matching_signature(const exec_list *actual_param); + + /** + * Find a signature that exactly matches a set of actual parameters without + * any implicit type conversions. + */ + ir_function_signature *exact_matching_signature(const exec_list *actual_ps); + + /** + * Name of the function. + */ + const char *name; + + /** Whether or not this function has a signature that isn't a built-in. */ + bool has_user_signature(); + + /** + * List of ir_function_signature for each overloaded function with this name. + */ + struct exec_list signatures; +}; + +inline const char *ir_function_signature::function_name() const +{ + return this->_function->name; +} +/*@}*/ + + +/** + * IR instruction representing high-level if-statements + */ +class ir_if : public ir_instruction { +public: + ir_if(ir_rvalue *condition) + : condition(condition) + { + ir_type = ir_type_if; + } + + virtual ir_if *clone(void *mem_ctx, struct hash_table *ht) const; + + virtual ir_if *as_if() + { + return this; + } + + virtual void accept(ir_visitor *v) + { + v->visit(this); + } + + virtual ir_visitor_status accept(ir_hierarchical_visitor *); + + ir_rvalue *condition; + /** List of ir_instruction for the body of the then branch */ + exec_list then_instructions; + /** List of ir_instruction for the body of the else branch */ + exec_list else_instructions; +}; + + +/** + * IR instruction representing a high-level loop structure. + */ +class ir_loop : public ir_instruction { +public: + ir_loop(); + + virtual ir_loop *clone(void *mem_ctx, struct hash_table *ht) const; + + virtual void accept(ir_visitor *v) + { + v->visit(this); + } + + virtual ir_visitor_status accept(ir_hierarchical_visitor *); + + virtual ir_loop *as_loop() + { + return this; + } + + /** + * Get an iterator for the instructions of the loop body + */ + exec_list_iterator iterator() + { + return body_instructions.iterator(); + } + + /** List of ir_instruction that make up the body of the loop. */ + exec_list body_instructions; + + /** + * \name Loop counter and controls + * + * Represents a loop like a FORTRAN \c do-loop. + * + * \note + * If \c from and \c to are the same value, the loop will execute once. + */ + /*@{*/ + ir_rvalue *from; /** Value of the loop counter on the first + * iteration of the loop. + */ + ir_rvalue *to; /** Value of the loop counter on the last + * iteration of the loop. + */ + ir_rvalue *increment; + ir_variable *counter; + + /** + * Comparison operation in the loop terminator. + * + * If any of the loop control fields are non-\c NULL, this field must be + * one of \c ir_binop_less, \c ir_binop_greater, \c ir_binop_lequal, + * \c ir_binop_gequal, \c ir_binop_equal, or \c ir_binop_nequal. + */ + int cmp; + /*@}*/ +}; + + +class ir_assignment : public ir_instruction { +public: + ir_assignment(ir_rvalue *lhs, ir_rvalue *rhs, ir_rvalue *condition); + + /** + * Construct an assignment with an explicit write mask + * + * \note + * Since a write mask is supplied, the LHS must already be a bare + * \c ir_dereference. The cannot be any swizzles in the LHS. + */ + ir_assignment(ir_dereference *lhs, ir_rvalue *rhs, ir_rvalue *condition, + unsigned write_mask); + + virtual ir_assignment *clone(void *mem_ctx, struct hash_table *ht) const; + + virtual ir_constant *constant_expression_value(); + + virtual void accept(ir_visitor *v) + { + v->visit(this); + } + + virtual ir_visitor_status accept(ir_hierarchical_visitor *); + + virtual ir_assignment * as_assignment() + { + return this; + } + + /** + * Get a whole variable written by an assignment + * + * If the LHS of the assignment writes a whole variable, the variable is + * returned. Otherwise \c NULL is returned. Examples of whole-variable + * assignment are: + * + * - Assigning to a scalar + * - Assigning to all components of a vector + * - Whole array (or matrix) assignment + * - Whole structure assignment + */ + ir_variable *whole_variable_written(); + + /** + * Set the LHS of an assignment + */ + void set_lhs(ir_rvalue *lhs); + + /** + * Left-hand side of the assignment. + * + * This should be treated as read only. If you need to set the LHS of an + * assignment, use \c ir_assignment::set_lhs. + */ + ir_dereference *lhs; + + /** + * Value being assigned + */ + ir_rvalue *rhs; + + /** + * Optional condition for the assignment. + */ + ir_rvalue *condition; + + + /** + * Component mask written + * + * For non-vector types in the LHS, this field will be zero. For vector + * types, a bit will be set for each component that is written. Note that + * for \c vec2 and \c vec3 types only the lower bits will ever be set. + * + * A partially-set write mask means that each enabled channel gets + * the value from a consecutive channel of the rhs. For example, + * to write just .xyw of gl_FrontColor with color: + * + * (assign (constant bool (1)) (xyw) + * (var_ref gl_FragColor) + * (swiz xyw (var_ref color))) + */ + unsigned write_mask:4; +}; + +/* Update ir_expression::num_operands() and operator_strs when + * updating this list. + */ +enum ir_expression_operation { + ir_unop_bit_not, + ir_unop_logic_not, + ir_unop_neg, + ir_unop_abs, + ir_unop_sign, + ir_unop_rcp, + ir_unop_rsq, + ir_unop_sqrt, + ir_unop_exp, /**< Log base e on gentype */ + ir_unop_log, /**< Natural log on gentype */ + ir_unop_exp2, + ir_unop_log2, + ir_unop_f2i, /**< Float-to-integer conversion. */ + ir_unop_i2f, /**< Integer-to-float conversion. */ + ir_unop_f2b, /**< Float-to-boolean conversion */ + ir_unop_b2f, /**< Boolean-to-float conversion */ + ir_unop_i2b, /**< int-to-boolean conversion */ + ir_unop_b2i, /**< Boolean-to-int conversion */ + ir_unop_u2f, /**< Unsigned-to-float conversion. */ + ir_unop_any, + + /** + * \name Unary floating-point rounding operations. + */ + /*@{*/ + ir_unop_trunc, + ir_unop_ceil, + ir_unop_floor, + ir_unop_fract, + ir_unop_round_even, + /*@}*/ + + /** + * \name Trigonometric operations. + */ + /*@{*/ + ir_unop_sin, + ir_unop_cos, + ir_unop_sin_reduced, /**< Reduced range sin. [-pi, pi] */ + ir_unop_cos_reduced, /**< Reduced range cos. [-pi, pi] */ + /*@}*/ + + /** + * \name Partial derivatives. + */ + /*@{*/ + ir_unop_dFdx, + ir_unop_dFdy, + /*@}*/ + + ir_unop_noise, + + /** + * A sentinel marking the last of the unary operations. + */ + ir_last_unop = ir_unop_noise, + + ir_binop_add, + ir_binop_sub, + ir_binop_mul, + ir_binop_div, + + /** + * Takes one of two combinations of arguments: + * + * - mod(vecN, vecN) + * - mod(vecN, float) + * + * Does not take integer types. + */ + ir_binop_mod, + + /** + * \name Binary comparison operators which return a boolean vector. + * The type of both operands must be equal. + */ + /*@{*/ + ir_binop_less, + ir_binop_greater, + ir_binop_lequal, + ir_binop_gequal, + ir_binop_equal, + ir_binop_nequal, + /** + * Returns single boolean for whether all components of operands[0] + * equal the components of operands[1]. + */ + ir_binop_all_equal, + /** + * Returns single boolean for whether any component of operands[0] + * is not equal to the corresponding component of operands[1]. + */ + ir_binop_any_nequal, + /*@}*/ + + /** + * \name Bit-wise binary operations. + */ + /*@{*/ + ir_binop_lshift, + ir_binop_rshift, + ir_binop_bit_and, + ir_binop_bit_xor, + ir_binop_bit_or, + /*@}*/ + + ir_binop_logic_and, + ir_binop_logic_xor, + ir_binop_logic_or, + + ir_binop_dot, + ir_binop_min, + ir_binop_max, + + ir_binop_pow, + + /** + * A sentinel marking the last of the binary operations. + */ + ir_last_binop = ir_binop_pow, + + ir_quadop_vector, + + /** + * A sentinel marking the last of all operations. + */ + ir_last_opcode = ir_last_binop +}; + +class ir_expression : public ir_rvalue { +public: + /** + * Constructor for unary operation expressions + */ + ir_expression(int op, const struct glsl_type *type, ir_rvalue *); + ir_expression(int op, ir_rvalue *); + + /** + * Constructor for binary operation expressions + */ + ir_expression(int op, const struct glsl_type *type, + ir_rvalue *, ir_rvalue *); + ir_expression(int op, ir_rvalue *op0, ir_rvalue *op1); + + /** + * Constructor for quad operator expressions + */ + ir_expression(int op, const struct glsl_type *type, + ir_rvalue *, ir_rvalue *, ir_rvalue *, ir_rvalue *); + + virtual ir_expression *as_expression() + { + return this; + } + + virtual ir_expression *clone(void *mem_ctx, struct hash_table *ht) const; + + /** + * Attempt to constant-fold the expression + * + * If the expression cannot be constant folded, this method will return + * \c NULL. + */ + virtual ir_constant *constant_expression_value(); + + /** + * Determine the number of operands used by an expression + */ + static unsigned int get_num_operands(ir_expression_operation); + + /** + * Determine the number of operands used by an expression + */ + unsigned int get_num_operands() const + { + return (this->operation == ir_quadop_vector) + ? this->type->vector_elements : get_num_operands(operation); + } + + /** + * Return a string representing this expression's operator. + */ + const char *operator_string(); + + /** + * Return a string representing this expression's operator. + */ + static const char *operator_string(ir_expression_operation); + + + /** + * Do a reverse-lookup to translate the given string into an operator. + */ + static ir_expression_operation get_operator(const char *); + + virtual void accept(ir_visitor *v) + { + v->visit(this); + } + + virtual ir_visitor_status accept(ir_hierarchical_visitor *); + + ir_expression_operation operation; + ir_rvalue *operands[4]; +}; + + +/** + * IR instruction representing a function call + */ +class ir_call : public ir_rvalue { +public: + ir_call(ir_function_signature *callee, exec_list *actual_parameters) + : callee(callee) + { + ir_type = ir_type_call; + assert(callee->return_type != NULL); + type = callee->return_type; + actual_parameters->move_nodes_to(& this->actual_parameters); + } + + virtual ir_call *clone(void *mem_ctx, struct hash_table *ht) const; + + virtual ir_constant *constant_expression_value(); + + virtual ir_call *as_call() + { + return this; + } + + virtual void accept(ir_visitor *v) + { + v->visit(this); + } + + virtual ir_visitor_status accept(ir_hierarchical_visitor *); + + /** + * Get a generic ir_call object when an error occurs + * + * Any allocation will be performed with 'ctx' as talloc owner. + */ + static ir_call *get_error_instruction(void *ctx); + + /** + * Get an iterator for the set of acutal parameters + */ + exec_list_iterator iterator() + { + return actual_parameters.iterator(); + } + + /** + * Get the name of the function being called. + */ + const char *callee_name() const + { + return callee->function_name(); + } + + /** + * Get the function signature bound to this function call + */ + ir_function_signature *get_callee() + { + return callee; + } + + /** + * Set the function call target + */ + void set_callee(ir_function_signature *sig); + + /** + * Generates an inline version of the function before @ir, + * returning the return value of the function. + */ + ir_rvalue *generate_inline(ir_instruction *ir); + + /* List of ir_rvalue of paramaters passed in this call. */ + exec_list actual_parameters; + +private: + ir_call() + : callee(NULL) + { + this->ir_type = ir_type_call; + } + + ir_function_signature *callee; +}; + + +/** + * \name Jump-like IR instructions. + * + * These include \c break, \c continue, \c return, and \c discard. + */ +/*@{*/ +class ir_jump : public ir_instruction { +protected: + ir_jump() + { + ir_type = ir_type_unset; + } +}; + +class ir_return : public ir_jump { +public: + ir_return() + : value(NULL) + { + this->ir_type = ir_type_return; + } + + ir_return(ir_rvalue *value) + : value(value) + { + this->ir_type = ir_type_return; + } + + virtual ir_return *clone(void *mem_ctx, struct hash_table *) const; + + virtual ir_return *as_return() + { + return this; + } + + ir_rvalue *get_value() const + { + return value; + } + + virtual void accept(ir_visitor *v) + { + v->visit(this); + } + + virtual ir_visitor_status accept(ir_hierarchical_visitor *); + + ir_rvalue *value; +}; + + +/** + * Jump instructions used inside loops + * + * These include \c break and \c continue. The \c break within a loop is + * different from the \c break within a switch-statement. + * + * \sa ir_switch_jump + */ +class ir_loop_jump : public ir_jump { +public: + enum jump_mode { + jump_break, + jump_continue + }; + + ir_loop_jump(jump_mode mode) + { + this->ir_type = ir_type_loop_jump; + this->mode = mode; + this->loop = loop; + } + + virtual ir_loop_jump *clone(void *mem_ctx, struct hash_table *) const; + + virtual void accept(ir_visitor *v) + { + v->visit(this); + } + + virtual ir_visitor_status accept(ir_hierarchical_visitor *); + + bool is_break() const + { + return mode == jump_break; + } + + bool is_continue() const + { + return mode == jump_continue; + } + + /** Mode selector for the jump instruction. */ + enum jump_mode mode; +private: + /** Loop containing this break instruction. */ + ir_loop *loop; +}; + +/** + * IR instruction representing discard statements. + */ +class ir_discard : public ir_jump { +public: + ir_discard() + { + this->ir_type = ir_type_discard; + this->condition = NULL; + } + + ir_discard(ir_rvalue *cond) + { + this->ir_type = ir_type_discard; + this->condition = cond; + } + + virtual ir_discard *clone(void *mem_ctx, struct hash_table *ht) const; + + virtual void accept(ir_visitor *v) + { + v->visit(this); + } + + virtual ir_visitor_status accept(ir_hierarchical_visitor *); + + virtual ir_discard *as_discard() + { + return this; + } + + ir_rvalue *condition; +}; +/*@}*/ + + +/** + * Texture sampling opcodes used in ir_texture + */ +enum ir_texture_opcode { + ir_tex, /**< Regular texture look-up */ + ir_txb, /**< Texture look-up with LOD bias */ + ir_txl, /**< Texture look-up with explicit LOD */ + ir_txd, /**< Texture look-up with partial derivatvies */ + ir_txf /**< Texel fetch with explicit LOD */ +}; + + +/** + * IR instruction to sample a texture + * + * The specific form of the IR instruction depends on the \c mode value + * selected from \c ir_texture_opcodes. In the printed IR, these will + * appear as: + * + * Texel offset + * | Projection divisor + * | | Shadow comparitor + * | | | + * v v v + * (tex (sampler) (coordinate) (0 0 0) (1) ( )) + * (txb (sampler) (coordinate) (0 0 0) (1) ( ) (bias)) + * (txl (sampler) (coordinate) (0 0 0) (1) ( ) (lod)) + * (txd (sampler) (coordinate) (0 0 0) (1) ( ) (dPdx dPdy)) + * (txf (sampler) (coordinate) (0 0 0) (lod)) + */ +class ir_texture : public ir_rvalue { +public: + ir_texture(enum ir_texture_opcode op) + : op(op), projector(NULL), shadow_comparitor(NULL) + { + this->ir_type = ir_type_texture; + } + + virtual ir_texture *clone(void *mem_ctx, struct hash_table *) const; + + virtual ir_constant *constant_expression_value(); + + virtual void accept(ir_visitor *v) + { + v->visit(this); + } + + virtual ir_visitor_status accept(ir_hierarchical_visitor *); + + /** + * Return a string representing the ir_texture_opcode. + */ + const char *opcode_string(); + + /** Set the sampler and infer the type. */ + void set_sampler(ir_dereference *sampler); + + /** + * Do a reverse-lookup to translate a string into an ir_texture_opcode. + */ + static ir_texture_opcode get_opcode(const char *); + + enum ir_texture_opcode op; + + /** Sampler to use for the texture access. */ + ir_dereference *sampler; + + /** Texture coordinate to sample */ + ir_rvalue *coordinate; + + /** + * Value used for projective divide. + * + * If there is no projective divide (the common case), this will be + * \c NULL. Optimization passes should check for this to point to a constant + * of 1.0 and replace that with \c NULL. + */ + ir_rvalue *projector; + + /** + * Coordinate used for comparison on shadow look-ups. + * + * If there is no shadow comparison, this will be \c NULL. For the + * \c ir_txf opcode, this *must* be \c NULL. + */ + ir_rvalue *shadow_comparitor; + + /** Explicit texel offsets. */ + signed char offsets[3]; + + union { + ir_rvalue *lod; /**< Floating point LOD */ + ir_rvalue *bias; /**< Floating point LOD bias */ + struct { + ir_rvalue *dPdx; /**< Partial derivative of coordinate wrt X */ + ir_rvalue *dPdy; /**< Partial derivative of coordinate wrt Y */ + } grad; + } lod_info; +}; + + +struct ir_swizzle_mask { + unsigned x:2; + unsigned y:2; + unsigned z:2; + unsigned w:2; + + /** + * Number of components in the swizzle. + */ + unsigned num_components:3; + + /** + * Does the swizzle contain duplicate components? + * + * L-value swizzles cannot contain duplicate components. + */ + unsigned has_duplicates:1; +}; + + +class ir_swizzle : public ir_rvalue { +public: + ir_swizzle(ir_rvalue *, unsigned x, unsigned y, unsigned z, unsigned w, + unsigned count); + + ir_swizzle(ir_rvalue *val, const unsigned *components, unsigned count); + + ir_swizzle(ir_rvalue *val, ir_swizzle_mask mask); + + virtual ir_swizzle *clone(void *mem_ctx, struct hash_table *) const; + + virtual ir_constant *constant_expression_value(); + + virtual ir_swizzle *as_swizzle() + { + return this; + } + + /** + * Construct an ir_swizzle from the textual representation. Can fail. + */ + static ir_swizzle *create(ir_rvalue *, const char *, unsigned vector_length); + + virtual void accept(ir_visitor *v) + { + v->visit(this); + } + + virtual ir_visitor_status accept(ir_hierarchical_visitor *); + + bool is_lvalue() + { + return val->is_lvalue() && !mask.has_duplicates; + } + + /** + * Get the variable that is ultimately referenced by an r-value + */ + virtual ir_variable *variable_referenced(); + + ir_rvalue *val; + ir_swizzle_mask mask; + +private: + /** + * Initialize the mask component of a swizzle + * + * This is used by the \c ir_swizzle constructors. + */ + void init_mask(const unsigned *components, unsigned count); +}; + + +class ir_dereference : public ir_rvalue { +public: + virtual ir_dereference *clone(void *mem_ctx, struct hash_table *) const = 0; + + virtual ir_dereference *as_dereference() + { + return this; + } + + bool is_lvalue(); + + /** + * Get the variable that is ultimately referenced by an r-value + */ + virtual ir_variable *variable_referenced() = 0; +}; + + +class ir_dereference_variable : public ir_dereference { +public: + ir_dereference_variable(ir_variable *var); + + virtual ir_dereference_variable *clone(void *mem_ctx, + struct hash_table *) const; + + virtual ir_constant *constant_expression_value(); + + virtual ir_dereference_variable *as_dereference_variable() + { + return this; + } + + /** + * Get the variable that is ultimately referenced by an r-value + */ + virtual ir_variable *variable_referenced() + { + return this->var; + } + + virtual ir_variable *whole_variable_referenced() + { + /* ir_dereference_variable objects always dereference the entire + * variable. However, if this dereference is dereferenced by anything + * else, the complete deferefernce chain is not a whole-variable + * dereference. This method should only be called on the top most + * ir_rvalue in a dereference chain. + */ + return this->var; + } + + virtual void accept(ir_visitor *v) + { + v->visit(this); + } + + virtual ir_visitor_status accept(ir_hierarchical_visitor *); + + /** + * Object being dereferenced. + */ + ir_variable *var; +}; + + +class ir_dereference_array : public ir_dereference { +public: + ir_dereference_array(ir_rvalue *value, ir_rvalue *array_index); + + ir_dereference_array(ir_variable *var, ir_rvalue *array_index); + + virtual ir_dereference_array *clone(void *mem_ctx, + struct hash_table *) const; + + virtual ir_constant *constant_expression_value(); + + virtual ir_dereference_array *as_dereference_array() + { + return this; + } + + /** + * Get the variable that is ultimately referenced by an r-value + */ + virtual ir_variable *variable_referenced() + { + return this->array->variable_referenced(); + } + + virtual void accept(ir_visitor *v) + { + v->visit(this); + } + + virtual ir_visitor_status accept(ir_hierarchical_visitor *); + + ir_rvalue *array; + ir_rvalue *array_index; + +private: + void set_array(ir_rvalue *value); +}; + + +class ir_dereference_record : public ir_dereference { +public: + ir_dereference_record(ir_rvalue *value, const char *field); + + ir_dereference_record(ir_variable *var, const char *field); + + virtual ir_dereference_record *clone(void *mem_ctx, + struct hash_table *) const; + + virtual ir_constant *constant_expression_value(); + + /** + * Get the variable that is ultimately referenced by an r-value + */ + virtual ir_variable *variable_referenced() + { + return this->record->variable_referenced(); + } + + virtual void accept(ir_visitor *v) + { + v->visit(this); + } + + virtual ir_visitor_status accept(ir_hierarchical_visitor *); + + ir_rvalue *record; + const char *field; +}; + + +/** + * Data stored in an ir_constant + */ +union ir_constant_data { + unsigned u[16]; + int i[16]; + float f[16]; + bool b[16]; +}; + + +class ir_constant : public ir_rvalue { +public: + ir_constant(const struct glsl_type *type, const ir_constant_data *data); + ir_constant(bool b); + ir_constant(unsigned int u); + ir_constant(int i); + ir_constant(float f); + + /** + * Construct an ir_constant from a list of ir_constant values + */ + ir_constant(const struct glsl_type *type, exec_list *values); + + /** + * Construct an ir_constant from a scalar component of another ir_constant + * + * The new \c ir_constant inherits the type of the component from the + * source constant. + * + * \note + * In the case of a matrix constant, the new constant is a scalar, \b not + * a vector. + */ + ir_constant(const ir_constant *c, unsigned i); + + /** + * Return a new ir_constant of the specified type containing all zeros. + */ + static ir_constant *zero(void *mem_ctx, const glsl_type *type); + + virtual ir_constant *clone(void *mem_ctx, struct hash_table *) const; + + virtual ir_constant *constant_expression_value(); + + virtual ir_constant *as_constant() + { + return this; + } + + virtual void accept(ir_visitor *v) + { + v->visit(this); + } + + virtual ir_visitor_status accept(ir_hierarchical_visitor *); + + /** + * Get a particular component of a constant as a specific type + * + * This is useful, for example, to get a value from an integer constant + * as a float or bool. This appears frequently when constructors are + * called with all constant parameters. + */ + /*@{*/ + bool get_bool_component(unsigned i) const; + float get_float_component(unsigned i) const; + int get_int_component(unsigned i) const; + unsigned get_uint_component(unsigned i) const; + /*@}*/ + + ir_constant *get_array_element(unsigned i) const; + + ir_constant *get_record_field(const char *name); + + /** + * Determine whether a constant has the same value as another constant + * + * \sa ir_constant::is_zero, ir_constant::is_one, + * ir_constant::is_negative_one + */ + bool has_value(const ir_constant *) const; + + virtual bool is_zero() const; + virtual bool is_one() const; + virtual bool is_negative_one() const; + + /** + * Value of the constant. + * + * The field used to back the values supplied by the constant is determined + * by the type associated with the \c ir_instruction. Constants may be + * scalars, vectors, or matrices. + */ + union ir_constant_data value; + + /* Array elements */ + ir_constant **array_elements; + + /* Structure fields */ + exec_list components; + +private: + /** + * Parameterless constructor only used by the clone method + */ + ir_constant(void); +}; + +/*@}*/ + +/** + * Apply a visitor to each IR node in a list + */ +void +visit_exec_list(exec_list *list, ir_visitor *visitor); + +/** + * Validate invariants on each IR node in a list + */ +void validate_ir_tree(exec_list *instructions); + +/** + * Make a clone of each IR instruction in a list + * + * \param in List of IR instructions that are to be cloned + * \param out List to hold the cloned instructions + */ +void +clone_ir_list(void *mem_ctx, exec_list *out, const exec_list *in); + +extern void +_mesa_glsl_initialize_variables(exec_list *instructions, + struct _mesa_glsl_parse_state *state); + +extern void +_mesa_glsl_initialize_functions(_mesa_glsl_parse_state *state); + +extern void +_mesa_glsl_release_functions(void); + +extern void +reparent_ir(exec_list *list, void *mem_ctx); + +struct glsl_symbol_table; + +extern void +import_prototypes(const exec_list *source, exec_list *dest, + struct glsl_symbol_table *symbols, void *mem_ctx); + +extern bool +ir_has_call(ir_instruction *ir); + +extern void +do_set_program_inouts(exec_list *instructions, struct gl_program *prog); + +#endif /* IR_H */ diff --git a/mesalib/src/glsl/linker.cpp b/mesalib/src/glsl/linker.cpp index bf7a56353..4332338df 100644 --- a/mesalib/src/glsl/linker.cpp +++ b/mesalib/src/glsl/linker.cpp @@ -382,6 +382,32 @@ cross_validate_globals(struct gl_shader_program *prog, existing->explicit_location = true; } + /* Validate layout qualifiers for gl_FragDepth. + * + * From the AMD_conservative_depth spec: + * "If gl_FragDepth is redeclared in any fragment shader in + * a program, it must be redeclared in all fragment shaders in that + * program that have static assignments to gl_FragDepth. All + * redeclarations of gl_FragDepth in all fragment shaders in + * a single program must have the same set of qualifiers." + */ + if (strcmp(var->name, "gl_FragDepth") == 0) { + bool layout_declared = var->depth_layout != ir_depth_layout_none; + bool layout_differs = var->depth_layout != existing->depth_layout; + if (layout_declared && layout_differs) { + linker_error_printf(prog, + "All redeclarations of gl_FragDepth in all fragment shaders " + "in a single program must have the same set of qualifiers."); + } + if (var->used && layout_differs) { + linker_error_printf(prog, + "If gl_FragDepth is redeclared with a layout qualifier in" + "any fragment shader, it must be redeclared with the same" + "layout qualifier in all fragment shaders that have" + "assignments to gl_FragDepth"); + } + } + /* FINISHME: Handle non-constant initializers. */ if (var->constant_value != NULL) { diff --git a/mesalib/src/mesa/main/extensions.c b/mesalib/src/mesa/main/extensions.c index 7d15e3a50..aaef337ac 100644 --- a/mesalib/src/mesa/main/extensions.c +++ b/mesalib/src/mesa/main/extensions.c @@ -250,6 +250,7 @@ static const struct extension extension_table[] = { /* Vendor extensions */ { "GL_3DFX_texture_compression_FXT1", o(TDFX_texture_compression_FXT1), GL }, + { "GL_AMD_conservative_depth", o(AMD_conservative_depth), GL | ES2 }, { "GL_APPLE_client_storage", o(APPLE_client_storage), GL }, { "GL_APPLE_object_purgeable", o(APPLE_object_purgeable), GL }, { "GL_APPLE_packed_pixels", o(APPLE_packed_pixels), GL }, @@ -730,78 +731,67 @@ _mesa_extension_is_enabled( struct gl_context *ctx, const char *name ) /** - * Append string 'b' onto string 'a'. Free 'a' and return new string. - */ -static char * -append(const char *a, const char *b) -{ - const GLuint aLen = a ? strlen(a) : 0; - const GLuint bLen = b ? strlen(b) : 0; - char *s = calloc(1, aLen + bLen + 1); - if (s) { - if (a) - memcpy(s, a, aLen); - if (b) - memcpy(s + aLen, b, bLen); - s[aLen + bLen] = '\0'; - } - if (a) - free((void *) a); - return s; -} - - -/** - * Check the MESA_EXTENSION_OVERRIDE env var. - * For extension names that are recognized, turn them on. For extension - * names that are recognized and prefixed with '-', turn them off. - * Return a string of the unknown/leftover names. + * \brief Apply the \c MESA_EXTENSION_OVERRIDE environment variable. + * + * \c MESA_EXTENSION_OVERRIDE is a space-separated list of extensions to + * enable or disable. The list is processed thus: + * - Enable recognized extension names that are prefixed with '+'. + * - Disable recognized extension names that are prefixed with '-'. + * - Enable recognized extension names that are not prefixed. + * - Collect unrecognized extension names in a new string. * - * Returnd string needs to be freed. + * \return Space-separated list of unrecognized extension names (which must + * be freed). Does not return \c NULL. */ static char * get_extension_override( struct gl_context *ctx ) { - const char *envExt = _mesa_getenv("MESA_EXTENSION_OVERRIDE"); - char *extraExt = NULL; - char ext[1000]; - GLuint extLen = 0; - GLuint i; - GLboolean disableExt = GL_FALSE; - - if (!envExt) - return NULL; + const char *env_const= _mesa_getenv("MESA_EXTENSION_OVERRIDE"); + char *env; + char *ext; + char *extra_exts; + int len; + + if (env_const == NULL) { + /* Return the empty string rather than NULL. This simplifies the logic + * of client functions. */ + return calloc(1, sizeof(char)); + } - for (i = 0; ; i++) { - if (envExt[i] == '\0' || envExt[i] == ' ') { - /* terminate/process 'ext' if extLen > 0 */ - if (extLen > 0) { - assert(extLen < sizeof(ext)); - /* enable extension named by 'ext' */ - ext[extLen] = 0; - if (!set_extension(ctx, ext, !disableExt)) { - /* unknown extension name, append it to extraExt */ - if (extraExt) { - extraExt = append(extraExt, " "); - } - extraExt = append(extraExt, ext); - } - extLen = 0; - disableExt = GL_FALSE; - } - if (envExt[i] == '\0') - break; - } - else if (envExt[i] == '-') { - disableExt = GL_TRUE; + /* extra_exts: List of unrecognized extensions. */ + extra_exts = calloc(strlen(env_const), sizeof(char)); + + /* Copy env_const because strtok() is destructive. */ + env = strdup(env_const); + for (ext = strtok(env, " "); ext != NULL; ext = strtok(NULL, " ")) { + int enable; + int recognized; + switch (ext[0]) { + case '+': + enable = 1; + ++ext; + break; + case '-': + enable = 0; + ++ext; + break; + default: + enable = 1; + break; } - else { - /* accumulate this non-space character */ - ext[extLen++] = envExt[i]; + recognized = set_extension(ctx, ext, enable); + if (!recognized) { + strcat(extra_exts, ext); + strcat(extra_exts, " "); } } - return extraExt; + /* Remove trailing space. */ + len = strlen(extra_exts); + if (extra_exts[len - 1] == ' ') + extra_exts[len - 1] = '\0'; + + return extra_exts; } diff --git a/mesalib/src/mesa/main/mtypes.h b/mesalib/src/mesa/main/mtypes.h index 4a039338d..37f39ceef 100644 --- a/mesalib/src/mesa/main/mtypes.h +++ b/mesalib/src/mesa/main/mtypes.h @@ -867,6 +867,23 @@ struct gl_fog_attrib }; +/** + * \brief Layout qualifiers for gl_FragDepth. + * + * Extension AMD_conservative_depth allows gl_FragDepth to be redeclared with + * a layout qualifier. + * + * \see enum ir_depth_layout + */ +enum gl_frag_depth_layout { + FRAG_DEPTH_LAYOUT_NONE, /**< No layout is specified. */ + FRAG_DEPTH_LAYOUT_ANY, + FRAG_DEPTH_LAYOUT_GREATER, + FRAG_DEPTH_LAYOUT_LESS, + FRAG_DEPTH_LAYOUT_UNCHANGED +}; + + /** * Hint attribute group (GL_HINT_BIT). * @@ -1889,6 +1906,7 @@ struct gl_fragment_program GLboolean UsesKill; /**< shader uses KIL instruction */ GLboolean OriginUpperLeft; GLboolean PixelCenterInteger; + enum gl_frag_depth_layout FragDepthLayout; }; @@ -2824,6 +2842,7 @@ struct gl_extensions GLboolean EXT_vertex_array_set; GLboolean OES_standard_derivatives; /* vendor extensions */ + GLboolean AMD_conservative_depth; GLboolean APPLE_client_storage; GLboolean APPLE_packed_pixels; GLboolean APPLE_vertex_array_object; diff --git a/mesalib/src/mesa/main/texformat.c b/mesalib/src/mesa/main/texformat.c index 325fb9ebc..2542cea85 100644 --- a/mesalib/src/mesa/main/texformat.c +++ b/mesalib/src/mesa/main/texformat.c @@ -1,597 +1,608 @@ -/* - * Mesa 3-D graphics library - * Version: 7.7 - * - * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. - * Copyright (c) 2008-2009 VMware, Inc. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - - -/** - * \file texformat.c - * Texture formats. - * - * \author Gareth Hughes - * \author Brian Paul - */ - - -#include "context.h" -#include "mfeatures.h" -#include "mtypes.h" -#include "texcompress.h" -#include "texformat.h" - -#define RETURN_IF_SUPPORTED(f) do { \ - if (ctx->TextureFormatSupported[f]) \ - return f; \ -} while (0) - -/** - * Choose an appropriate texture format given the format, type and - * internalFormat parameters passed to glTexImage(). - * - * \param ctx the GL context. - * \param internalFormat user's prefered internal texture format. - * \param format incoming image pixel format. - * \param type incoming image data type. - * - * \return a pointer to a gl_texture_format object which describes the - * choosen texture format, or NULL on failure. - * - * This is called via dd_function_table::ChooseTextureFormat. Hardware drivers - * will typically override this function with a specialized version. - */ -gl_format -_mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat, - GLenum format, GLenum type ) -{ - (void) format; - (void) type; - - switch (internalFormat) { - /* shallow RGBA formats */ - case 4: - case GL_RGBA: - if (type == GL_UNSIGNED_SHORT_4_4_4_4_REV) { - RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444); - } else if (type == GL_UNSIGNED_SHORT_1_5_5_5_REV) { - RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB1555); - } - RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA8888); - RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888); - break; - - case GL_RGBA8: - RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA8888); - RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888); - break; - case GL_RGB5_A1: - RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB1555); - break; - case GL_RGBA2: - RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444_REV); /* just to test another format*/ - RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444); - break; - case GL_RGBA4: - RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444); - break; - - /* deep RGBA formats */ - case GL_RGB10_A2: - RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB2101010); - RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888); - break; - case GL_RGBA12: - case GL_RGBA16: - RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_16); - RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_16); - RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA8888); - RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888); - break; - - /* shallow RGB formats */ - case 3: - case GL_RGB: - case GL_RGB8: - RETURN_IF_SUPPORTED(MESA_FORMAT_RGB888); - RETURN_IF_SUPPORTED(MESA_FORMAT_XRGB8888); - RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888); - break; - case GL_R3_G3_B2: - RETURN_IF_SUPPORTED(MESA_FORMAT_RGB332); - RETURN_IF_SUPPORTED(MESA_FORMAT_RGB888); - RETURN_IF_SUPPORTED(MESA_FORMAT_XRGB8888); - RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888); - break; - case GL_RGB4: - RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565_REV); /* just to test another format */ - RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565); - break; - case GL_RGB5: - RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565); - break; - - /* deep RGB formats */ - case GL_RGB10: - case GL_RGB12: - case GL_RGB16: - RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_16); - RETURN_IF_SUPPORTED(MESA_FORMAT_XRGB8888); - RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888); - break; - - /* Alpha formats */ - case GL_ALPHA: - case GL_ALPHA4: - case GL_ALPHA8: - RETURN_IF_SUPPORTED(MESA_FORMAT_A8); - break; - - case GL_ALPHA12: - case GL_ALPHA16: - RETURN_IF_SUPPORTED(MESA_FORMAT_A16); - RETURN_IF_SUPPORTED(MESA_FORMAT_A8); - break; - - /* Luminance formats */ - case 1: - case GL_LUMINANCE: - case GL_LUMINANCE4: - case GL_LUMINANCE8: - RETURN_IF_SUPPORTED(MESA_FORMAT_L8); - break; - - case GL_LUMINANCE12: - case GL_LUMINANCE16: - RETURN_IF_SUPPORTED(MESA_FORMAT_L16); - RETURN_IF_SUPPORTED(MESA_FORMAT_L8); - break; - - /* Luminance/Alpha formats */ - case GL_LUMINANCE4_ALPHA4: - RETURN_IF_SUPPORTED(MESA_FORMAT_AL44); - RETURN_IF_SUPPORTED(MESA_FORMAT_AL88); - break; - - case 2: - case GL_LUMINANCE_ALPHA: - case GL_LUMINANCE6_ALPHA2: - case GL_LUMINANCE8_ALPHA8: - RETURN_IF_SUPPORTED(MESA_FORMAT_AL88); - break; - - case GL_LUMINANCE12_ALPHA4: - case GL_LUMINANCE12_ALPHA12: - case GL_LUMINANCE16_ALPHA16: - RETURN_IF_SUPPORTED(MESA_FORMAT_AL1616); - RETURN_IF_SUPPORTED(MESA_FORMAT_AL88); - break; - - case GL_INTENSITY: - case GL_INTENSITY4: - case GL_INTENSITY8: - RETURN_IF_SUPPORTED(MESA_FORMAT_I8); - break; - - case GL_INTENSITY12: - case GL_INTENSITY16: - RETURN_IF_SUPPORTED(MESA_FORMAT_I16); - RETURN_IF_SUPPORTED(MESA_FORMAT_I8); - break; - - case GL_COLOR_INDEX: - case GL_COLOR_INDEX1_EXT: - case GL_COLOR_INDEX2_EXT: - case GL_COLOR_INDEX4_EXT: - case GL_COLOR_INDEX12_EXT: - case GL_COLOR_INDEX16_EXT: - case GL_COLOR_INDEX8_EXT: - RETURN_IF_SUPPORTED(MESA_FORMAT_CI8); - break; - - default: - ; /* fallthrough */ - } - - if (ctx->Extensions.ARB_depth_texture) { - switch (internalFormat) { - case GL_DEPTH_COMPONENT: - case GL_DEPTH_COMPONENT24: - case GL_DEPTH_COMPONENT32: - RETURN_IF_SUPPORTED(MESA_FORMAT_Z32); - RETURN_IF_SUPPORTED(MESA_FORMAT_S8_Z24); - break; - case GL_DEPTH_COMPONENT16: - RETURN_IF_SUPPORTED(MESA_FORMAT_Z16); - RETURN_IF_SUPPORTED(MESA_FORMAT_S8_Z24); - default: - ; /* fallthrough */ - } - } - - switch (internalFormat) { - case GL_COMPRESSED_ALPHA_ARB: - RETURN_IF_SUPPORTED(MESA_FORMAT_A8); - break; - case GL_COMPRESSED_LUMINANCE_ARB: - RETURN_IF_SUPPORTED(MESA_FORMAT_L8); - break; - case GL_COMPRESSED_LUMINANCE_ALPHA_ARB: - RETURN_IF_SUPPORTED(MESA_FORMAT_AL88); - break; - case GL_COMPRESSED_INTENSITY_ARB: - RETURN_IF_SUPPORTED(MESA_FORMAT_I8); - break; - case GL_COMPRESSED_RGB_ARB: - if (ctx->Extensions.EXT_texture_compression_s3tc || - ctx->Extensions.S3_s3tc) - RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_DXT1); - if (ctx->Extensions.TDFX_texture_compression_FXT1) - RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FXT1); - RETURN_IF_SUPPORTED(MESA_FORMAT_RGB888); - RETURN_IF_SUPPORTED(MESA_FORMAT_XRGB8888); - RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888); - break; - case GL_COMPRESSED_RGBA_ARB: - if (ctx->Extensions.EXT_texture_compression_s3tc || - ctx->Extensions.S3_s3tc) - RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT3); /* Not rgba_dxt1, see spec */ - if (ctx->Extensions.TDFX_texture_compression_FXT1) - RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FXT1); - RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA8888); - RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888); - break; - default: - ; /* fallthrough */ - } - - if (ctx->Extensions.MESA_ycbcr_texture) { - if (internalFormat == GL_YCBCR_MESA) { - if (type == GL_UNSIGNED_SHORT_8_8_MESA) - RETURN_IF_SUPPORTED(MESA_FORMAT_YCBCR); - else - RETURN_IF_SUPPORTED(MESA_FORMAT_YCBCR_REV); - } - } - -#if FEATURE_texture_fxt1 - if (ctx->Extensions.TDFX_texture_compression_FXT1) { - switch (internalFormat) { - case GL_COMPRESSED_RGB_FXT1_3DFX: - RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FXT1); - break; - case GL_COMPRESSED_RGBA_FXT1_3DFX: - RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FXT1); - break; - default: - ; /* fallthrough */ - } - } -#endif - -#if FEATURE_texture_s3tc - if (ctx->Extensions.EXT_texture_compression_s3tc) { - switch (internalFormat) { - case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: - RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_DXT1); - break; - case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: - RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT1); - break; - case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: - RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT3); - break; - case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: - RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT5); - break; - default: - ; /* fallthrough */ - } - } - - if (ctx->Extensions.S3_s3tc) { - switch (internalFormat) { - case GL_RGB_S3TC: - case GL_RGB4_S3TC: - RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_DXT1); - break; - case GL_RGBA_S3TC: - case GL_RGBA4_S3TC: - RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT3); - break; - default: - ; /* fallthrough */ - } - } -#endif - - if (ctx->Extensions.ARB_texture_float) { - switch (internalFormat) { - case GL_ALPHA16F_ARB: - RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_FLOAT16); - break; - case GL_ALPHA32F_ARB: - RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_FLOAT32); - break; - case GL_LUMINANCE16F_ARB: - RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT16); - break; - case GL_LUMINANCE32F_ARB: - RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT32); - break; - case GL_LUMINANCE_ALPHA16F_ARB: - RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16); - break; - case GL_LUMINANCE_ALPHA32F_ARB: - RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32); - break; - case GL_INTENSITY16F_ARB: - RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT16); - break; - case GL_INTENSITY32F_ARB: - RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT32); - break; - case GL_RGB16F_ARB: - RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT16); - break; - case GL_RGB32F_ARB: - RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT32); - break; - case GL_RGBA16F_ARB: - RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16); - break; - case GL_RGBA32F_ARB: - RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32); - break; - default: - ; /* fallthrough */ - } - } - - if (ctx->Extensions.EXT_packed_depth_stencil) { - switch (internalFormat) { - case GL_DEPTH_STENCIL_EXT: - case GL_DEPTH24_STENCIL8_EXT: - RETURN_IF_SUPPORTED(MESA_FORMAT_Z24_S8); - RETURN_IF_SUPPORTED(MESA_FORMAT_S8_Z24); - break; - default: - ; /* fallthrough */ - } - } - - if (ctx->Extensions.ATI_envmap_bumpmap) { - switch (internalFormat) { - case GL_DUDV_ATI: - case GL_DU8DV8_ATI: - RETURN_IF_SUPPORTED(MESA_FORMAT_DUDV8); - break; - default: - ; /* fallthrough */ - } - } - - if (ctx->Extensions.MESA_texture_signed_rgba) { - switch (internalFormat) { - case GL_RGBA_SNORM: - case GL_RGBA8_SNORM: - RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888); - RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV); - break; - default: - ; /* fallthrough */ - } - } - - if (ctx->VersionMajor * 10 + ctx->VersionMinor >= 31) { - switch (internalFormat) { - case GL_RED_SNORM: - case GL_R8_SNORM: - RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_R8); - break; - case GL_RG_SNORM: - case GL_RG8_SNORM: - RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RG88); - break; - case GL_RGB_SNORM: - case GL_RGB8_SNORM: - RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBX8888); - break; - case GL_RGBA_SNORM: - case GL_RGBA8_SNORM: - RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888); - break; - case GL_R16_SNORM: - RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_R_16); - break; - case GL_RG16_SNORM: - RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RG_16); - break; - case GL_RGB16_SNORM: - RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGB_16); - break; - case GL_RGBA16_SNORM: - RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA_16); - break; - default: - ; /* fall-through */ - } - } - -#if FEATURE_EXT_texture_sRGB - if (ctx->Extensions.EXT_texture_sRGB) { - switch (internalFormat) { - case GL_SRGB_EXT: - case GL_SRGB8_EXT: - RETURN_IF_SUPPORTED(MESA_FORMAT_SRGB8); - RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8); - break; - case GL_SRGB_ALPHA_EXT: - case GL_SRGB8_ALPHA8_EXT: - RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA8); - RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8); - break; - case GL_SLUMINANCE_EXT: - case GL_SLUMINANCE8_EXT: - RETURN_IF_SUPPORTED(MESA_FORMAT_SL8); - RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8); - break; - case GL_SLUMINANCE_ALPHA_EXT: - case GL_SLUMINANCE8_ALPHA8_EXT: - RETURN_IF_SUPPORTED(MESA_FORMAT_SLA8); - RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8); - break; - case GL_COMPRESSED_SLUMINANCE_EXT: - RETURN_IF_SUPPORTED(MESA_FORMAT_SL8); - RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8); - break; - case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT: - RETURN_IF_SUPPORTED(MESA_FORMAT_SLA8); - RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8); - break; - case GL_COMPRESSED_SRGB_EXT: -#if FEATURE_texture_s3tc - if (ctx->Extensions.EXT_texture_compression_s3tc) - RETURN_IF_SUPPORTED(MESA_FORMAT_SRGB_DXT1); -#endif - RETURN_IF_SUPPORTED(MESA_FORMAT_SRGB8); - RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8); - break; - case GL_COMPRESSED_SRGB_ALPHA_EXT: -#if FEATURE_texture_s3tc - if (ctx->Extensions.EXT_texture_compression_s3tc) - RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT3); /* Not srgba_dxt1, see spec */ -#endif - RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA8); - RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8); - break; -#if FEATURE_texture_s3tc - case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT: - if (ctx->Extensions.EXT_texture_compression_s3tc) - RETURN_IF_SUPPORTED(MESA_FORMAT_SRGB_DXT1); - RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8); - break; - case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT: - if (ctx->Extensions.EXT_texture_compression_s3tc) - RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT1); - RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8); - break; - case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT: - if (ctx->Extensions.EXT_texture_compression_s3tc) - RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT3); - RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8); - break; - case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT: - if (ctx->Extensions.EXT_texture_compression_s3tc) - RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT5); - RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8); - break; -#endif - default: - ; /* fallthrough */ - } - } -#endif /* FEATURE_EXT_texture_sRGB */ - - if (ctx->Extensions.EXT_texture_integer) { - switch (internalFormat) { - case GL_RGBA32UI_EXT: - case GL_RGB32UI_EXT: - case GL_ALPHA32UI_EXT: - case GL_INTENSITY32UI_EXT: - case GL_LUMINANCE32UI_EXT: - case GL_LUMINANCE_ALPHA32UI_EXT: - RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32); - break; - case GL_RGBA16UI_EXT: - case GL_RGB16UI_EXT: - case GL_ALPHA16UI_EXT: - case GL_INTENSITY16UI_EXT: - case GL_LUMINANCE16UI_EXT: - case GL_LUMINANCE_ALPHA16UI_EXT: - RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16); - break; - case GL_RGBA8UI_EXT: - case GL_RGB8UI_EXT: - case GL_ALPHA8UI_EXT: - case GL_INTENSITY8UI_EXT: - case GL_LUMINANCE8UI_EXT: - case GL_LUMINANCE_ALPHA8UI_EXT: - RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8); - break; - case GL_RGBA32I_EXT: - case GL_RGB32I_EXT: - case GL_ALPHA32I_EXT: - case GL_INTENSITY32I_EXT: - case GL_LUMINANCE32I_EXT: - case GL_LUMINANCE_ALPHA32I_EXT: - RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT32); - break; - case GL_RGBA16I_EXT: - case GL_RGB16I_EXT: - case GL_ALPHA16I_EXT: - case GL_INTENSITY16I_EXT: - case GL_LUMINANCE16I_EXT: - case GL_LUMINANCE_ALPHA16I_EXT: - RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT16); - break; - case GL_RGBA8I_EXT: - case GL_RGB8I_EXT: - case GL_ALPHA8I_EXT: - case GL_INTENSITY8I_EXT: - case GL_LUMINANCE8I_EXT: - case GL_LUMINANCE_ALPHA8I_EXT: - RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT8); - break; - } - } - - if (ctx->Extensions.ARB_texture_rg) { - switch (internalFormat) { - case GL_R8: - case GL_RED: - case GL_COMPRESSED_RED: - RETURN_IF_SUPPORTED(MESA_FORMAT_R8); - break; - - case GL_R16: - RETURN_IF_SUPPORTED(MESA_FORMAT_R16); - break; - - case GL_RG: - case GL_RG8: - case GL_COMPRESSED_RG: - RETURN_IF_SUPPORTED(MESA_FORMAT_RG88); - break; - - case GL_RG16: - RETURN_IF_SUPPORTED(MESA_FORMAT_RG1616); - break; - - default: - ; /* fallthrough */ - } - } - - _mesa_problem(ctx, "unexpected format in _mesa_choose_tex_format()"); - return MESA_FORMAT_NONE; -} - +/* + * Mesa 3-D graphics library + * Version: 7.7 + * + * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. + * Copyright (c) 2008-2009 VMware, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +/** + * \file texformat.c + * Texture formats. + * + * \author Gareth Hughes + * \author Brian Paul + */ + + +#include "context.h" +#include "mfeatures.h" +#include "mtypes.h" +#include "texcompress.h" +#include "texformat.h" + +#define RETURN_IF_SUPPORTED(f) do { \ + if (ctx->TextureFormatSupported[f]) \ + return f; \ +} while (0) + +/** + * Choose an appropriate texture format given the format, type and + * internalFormat parameters passed to glTexImage(). + * + * \param ctx the GL context. + * \param internalFormat user's prefered internal texture format. + * \param format incoming image pixel format. + * \param type incoming image data type. + * + * \return a pointer to a gl_texture_format object which describes the + * choosen texture format, or NULL on failure. + * + * This is called via dd_function_table::ChooseTextureFormat. Hardware drivers + * will typically override this function with a specialized version. + */ +gl_format +_mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat, + GLenum format, GLenum type ) +{ + (void) format; + (void) type; + + switch (internalFormat) { + /* shallow RGBA formats */ + case 4: + case GL_RGBA: + if (type == GL_UNSIGNED_SHORT_4_4_4_4_REV) { + RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444); + } else if (type == GL_UNSIGNED_SHORT_1_5_5_5_REV) { + RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB1555); + } + RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA8888); + RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888); + break; + + case GL_RGBA8: + RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA8888); + RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888); + break; + case GL_RGB5_A1: + RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB1555); + break; + case GL_RGBA2: + RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444_REV); /* just to test another format*/ + RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444); + break; + case GL_RGBA4: + RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444); + break; + + /* deep RGBA formats */ + case GL_RGB10_A2: + RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB2101010); + RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888); + break; + case GL_RGBA12: + case GL_RGBA16: + RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_16); + RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_16); + RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA8888); + RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888); + break; + + /* shallow RGB formats */ + case 3: + case GL_RGB: + case GL_RGB8: + RETURN_IF_SUPPORTED(MESA_FORMAT_RGB888); + RETURN_IF_SUPPORTED(MESA_FORMAT_XRGB8888); + RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888); + break; + case GL_R3_G3_B2: + RETURN_IF_SUPPORTED(MESA_FORMAT_RGB332); + RETURN_IF_SUPPORTED(MESA_FORMAT_RGB888); + RETURN_IF_SUPPORTED(MESA_FORMAT_XRGB8888); + RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888); + break; + case GL_RGB4: + RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565_REV); /* just to test another format */ + RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565); + break; + case GL_RGB5: + RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565); + break; + + /* deep RGB formats */ + case GL_RGB10: + case GL_RGB12: + case GL_RGB16: + RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_16); + RETURN_IF_SUPPORTED(MESA_FORMAT_XRGB8888); + RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888); + break; + + /* Alpha formats */ + case GL_ALPHA: + case GL_ALPHA4: + case GL_ALPHA8: + RETURN_IF_SUPPORTED(MESA_FORMAT_A8); + break; + + case GL_ALPHA12: + case GL_ALPHA16: + RETURN_IF_SUPPORTED(MESA_FORMAT_A16); + RETURN_IF_SUPPORTED(MESA_FORMAT_A8); + break; + + /* Luminance formats */ + case 1: + case GL_LUMINANCE: + case GL_LUMINANCE4: + case GL_LUMINANCE8: + RETURN_IF_SUPPORTED(MESA_FORMAT_L8); + break; + + case GL_LUMINANCE12: + case GL_LUMINANCE16: + RETURN_IF_SUPPORTED(MESA_FORMAT_L16); + RETURN_IF_SUPPORTED(MESA_FORMAT_L8); + break; + + /* Luminance/Alpha formats */ + case GL_LUMINANCE4_ALPHA4: + RETURN_IF_SUPPORTED(MESA_FORMAT_AL44); + RETURN_IF_SUPPORTED(MESA_FORMAT_AL88); + break; + + case 2: + case GL_LUMINANCE_ALPHA: + case GL_LUMINANCE6_ALPHA2: + case GL_LUMINANCE8_ALPHA8: + RETURN_IF_SUPPORTED(MESA_FORMAT_AL88); + break; + + case GL_LUMINANCE12_ALPHA4: + case GL_LUMINANCE12_ALPHA12: + case GL_LUMINANCE16_ALPHA16: + RETURN_IF_SUPPORTED(MESA_FORMAT_AL1616); + RETURN_IF_SUPPORTED(MESA_FORMAT_AL88); + break; + + case GL_INTENSITY: + case GL_INTENSITY4: + case GL_INTENSITY8: + RETURN_IF_SUPPORTED(MESA_FORMAT_I8); + break; + + case GL_INTENSITY12: + case GL_INTENSITY16: + RETURN_IF_SUPPORTED(MESA_FORMAT_I16); + RETURN_IF_SUPPORTED(MESA_FORMAT_I8); + break; + + case GL_COLOR_INDEX: + case GL_COLOR_INDEX1_EXT: + case GL_COLOR_INDEX2_EXT: + case GL_COLOR_INDEX4_EXT: + case GL_COLOR_INDEX12_EXT: + case GL_COLOR_INDEX16_EXT: + case GL_COLOR_INDEX8_EXT: + RETURN_IF_SUPPORTED(MESA_FORMAT_CI8); + break; + + default: + ; /* fallthrough */ + } + + if (ctx->Extensions.ARB_depth_texture) { + switch (internalFormat) { + case GL_DEPTH_COMPONENT: + case GL_DEPTH_COMPONENT24: + case GL_DEPTH_COMPONENT32: + RETURN_IF_SUPPORTED(MESA_FORMAT_Z32); + RETURN_IF_SUPPORTED(MESA_FORMAT_S8_Z24); + break; + case GL_DEPTH_COMPONENT16: + RETURN_IF_SUPPORTED(MESA_FORMAT_Z16); + RETURN_IF_SUPPORTED(MESA_FORMAT_S8_Z24); + default: + ; /* fallthrough */ + } + } + + switch (internalFormat) { + case GL_COMPRESSED_ALPHA_ARB: + RETURN_IF_SUPPORTED(MESA_FORMAT_A8); + break; + case GL_COMPRESSED_LUMINANCE_ARB: + RETURN_IF_SUPPORTED(MESA_FORMAT_L8); + break; + case GL_COMPRESSED_LUMINANCE_ALPHA_ARB: + RETURN_IF_SUPPORTED(MESA_FORMAT_AL88); + break; + case GL_COMPRESSED_INTENSITY_ARB: + RETURN_IF_SUPPORTED(MESA_FORMAT_I8); + break; + case GL_COMPRESSED_RGB_ARB: + if (ctx->Extensions.EXT_texture_compression_s3tc || + ctx->Extensions.S3_s3tc) + RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_DXT1); + if (ctx->Extensions.TDFX_texture_compression_FXT1) + RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FXT1); + RETURN_IF_SUPPORTED(MESA_FORMAT_RGB888); + RETURN_IF_SUPPORTED(MESA_FORMAT_XRGB8888); + RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888); + break; + case GL_COMPRESSED_RGBA_ARB: + if (ctx->Extensions.EXT_texture_compression_s3tc || + ctx->Extensions.S3_s3tc) + RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT3); /* Not rgba_dxt1, see spec */ + if (ctx->Extensions.TDFX_texture_compression_FXT1) + RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FXT1); + RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA8888); + RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888); + break; + default: + ; /* fallthrough */ + } + + if (ctx->Extensions.MESA_ycbcr_texture) { + if (internalFormat == GL_YCBCR_MESA) { + if (type == GL_UNSIGNED_SHORT_8_8_MESA) + RETURN_IF_SUPPORTED(MESA_FORMAT_YCBCR); + else + RETURN_IF_SUPPORTED(MESA_FORMAT_YCBCR_REV); + } + } + +#if FEATURE_texture_fxt1 + if (ctx->Extensions.TDFX_texture_compression_FXT1) { + switch (internalFormat) { + case GL_COMPRESSED_RGB_FXT1_3DFX: + RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FXT1); + break; + case GL_COMPRESSED_RGBA_FXT1_3DFX: + RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FXT1); + break; + default: + ; /* fallthrough */ + } + } +#endif + +#if FEATURE_texture_s3tc + if (ctx->Extensions.EXT_texture_compression_s3tc) { + switch (internalFormat) { + case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: + RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_DXT1); + break; + case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: + RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT1); + break; + case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: + RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT3); + break; + case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: + RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT5); + break; + default: + ; /* fallthrough */ + } + } + + if (ctx->Extensions.S3_s3tc) { + switch (internalFormat) { + case GL_RGB_S3TC: + case GL_RGB4_S3TC: + RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_DXT1); + break; + case GL_RGBA_S3TC: + case GL_RGBA4_S3TC: + RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT3); + break; + default: + ; /* fallthrough */ + } + } +#endif + + if (ctx->Extensions.ARB_texture_float) { + switch (internalFormat) { + case GL_ALPHA16F_ARB: + RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_FLOAT16); + break; + case GL_ALPHA32F_ARB: + RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_FLOAT32); + break; + case GL_LUMINANCE16F_ARB: + RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT16); + break; + case GL_LUMINANCE32F_ARB: + RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT32); + break; + case GL_LUMINANCE_ALPHA16F_ARB: + RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16); + break; + case GL_LUMINANCE_ALPHA32F_ARB: + RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32); + break; + case GL_INTENSITY16F_ARB: + RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT16); + break; + case GL_INTENSITY32F_ARB: + RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT32); + break; + case GL_RGB16F_ARB: + RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT16); + break; + case GL_RGB32F_ARB: + RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT32); + break; + case GL_RGBA16F_ARB: + RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16); + break; + case GL_RGBA32F_ARB: + RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32); + break; + default: + ; /* fallthrough */ + } + } + + if (ctx->Extensions.EXT_packed_depth_stencil) { + switch (internalFormat) { + case GL_DEPTH_STENCIL_EXT: + case GL_DEPTH24_STENCIL8_EXT: + RETURN_IF_SUPPORTED(MESA_FORMAT_Z24_S8); + RETURN_IF_SUPPORTED(MESA_FORMAT_S8_Z24); + break; + default: + ; /* fallthrough */ + } + } + + if (ctx->Extensions.ATI_envmap_bumpmap) { + switch (internalFormat) { + case GL_DUDV_ATI: + case GL_DU8DV8_ATI: + RETURN_IF_SUPPORTED(MESA_FORMAT_DUDV8); + break; + default: + ; /* fallthrough */ + } + } + + if (ctx->Extensions.MESA_texture_signed_rgba) { + switch (internalFormat) { + case GL_RGBA_SNORM: + case GL_RGBA8_SNORM: + RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888); + RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV); + break; + default: + ; /* fallthrough */ + } + } + + if (ctx->VersionMajor * 10 + ctx->VersionMinor >= 31) { + switch (internalFormat) { + case GL_RED_SNORM: + case GL_R8_SNORM: + RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_R8); + break; + case GL_RG_SNORM: + case GL_RG8_SNORM: + RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RG88); + break; + case GL_RGB_SNORM: + case GL_RGB8_SNORM: + RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBX8888); + break; + case GL_RGBA_SNORM: + case GL_RGBA8_SNORM: + RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888); + break; + case GL_R16_SNORM: + RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_R_16); + break; + case GL_RG16_SNORM: + RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RG_16); + break; + case GL_RGB16_SNORM: + RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGB_16); + break; + case GL_RGBA16_SNORM: + RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA_16); + break; + default: + ; /* fall-through */ + } + } + +#if FEATURE_EXT_texture_sRGB + if (ctx->Extensions.EXT_texture_sRGB) { + switch (internalFormat) { + case GL_SRGB_EXT: + case GL_SRGB8_EXT: + RETURN_IF_SUPPORTED(MESA_FORMAT_SRGB8); + RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8); + break; + case GL_SRGB_ALPHA_EXT: + case GL_SRGB8_ALPHA8_EXT: + RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA8); + RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8); + break; + case GL_SLUMINANCE_EXT: + case GL_SLUMINANCE8_EXT: + RETURN_IF_SUPPORTED(MESA_FORMAT_SL8); + RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8); + break; + case GL_SLUMINANCE_ALPHA_EXT: + case GL_SLUMINANCE8_ALPHA8_EXT: + RETURN_IF_SUPPORTED(MESA_FORMAT_SLA8); + RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8); + break; + case GL_COMPRESSED_SLUMINANCE_EXT: + RETURN_IF_SUPPORTED(MESA_FORMAT_SL8); + RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8); + break; + case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT: + RETURN_IF_SUPPORTED(MESA_FORMAT_SLA8); + RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8); + break; + case GL_COMPRESSED_SRGB_EXT: +#if FEATURE_texture_s3tc + if (ctx->Extensions.EXT_texture_compression_s3tc) + RETURN_IF_SUPPORTED(MESA_FORMAT_SRGB_DXT1); +#endif + RETURN_IF_SUPPORTED(MESA_FORMAT_SRGB8); + RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8); + break; + case GL_COMPRESSED_SRGB_ALPHA_EXT: +#if FEATURE_texture_s3tc + if (ctx->Extensions.EXT_texture_compression_s3tc) + RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT3); /* Not srgba_dxt1, see spec */ +#endif + RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA8); + RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8); + break; +#if FEATURE_texture_s3tc + case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT: + if (ctx->Extensions.EXT_texture_compression_s3tc) + RETURN_IF_SUPPORTED(MESA_FORMAT_SRGB_DXT1); + RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8); + break; + case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT: + if (ctx->Extensions.EXT_texture_compression_s3tc) + RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT1); + RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8); + break; + case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT: + if (ctx->Extensions.EXT_texture_compression_s3tc) + RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT3); + RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8); + break; + case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT: + if (ctx->Extensions.EXT_texture_compression_s3tc) + RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT5); + RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8); + break; +#endif + default: + ; /* fallthrough */ + } + } +#endif /* FEATURE_EXT_texture_sRGB */ + + if (ctx->Extensions.EXT_texture_integer) { + switch (internalFormat) { + case GL_RGBA32UI_EXT: + case GL_RGB32UI_EXT: + case GL_ALPHA32UI_EXT: + case GL_INTENSITY32UI_EXT: + case GL_LUMINANCE32UI_EXT: + case GL_LUMINANCE_ALPHA32UI_EXT: + RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32); + break; + case GL_RGBA16UI_EXT: + case GL_RGB16UI_EXT: + case GL_ALPHA16UI_EXT: + case GL_INTENSITY16UI_EXT: + case GL_LUMINANCE16UI_EXT: + case GL_LUMINANCE_ALPHA16UI_EXT: + RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16); + break; + case GL_RGBA8UI_EXT: + case GL_RGB8UI_EXT: + case GL_ALPHA8UI_EXT: + case GL_INTENSITY8UI_EXT: + case GL_LUMINANCE8UI_EXT: + case GL_LUMINANCE_ALPHA8UI_EXT: + RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8); + break; + case GL_RGBA32I_EXT: + case GL_RGB32I_EXT: + case GL_ALPHA32I_EXT: + case GL_INTENSITY32I_EXT: + case GL_LUMINANCE32I_EXT: + case GL_LUMINANCE_ALPHA32I_EXT: + RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT32); + break; + case GL_RGBA16I_EXT: + case GL_RGB16I_EXT: + case GL_ALPHA16I_EXT: + case GL_INTENSITY16I_EXT: + case GL_LUMINANCE16I_EXT: + case GL_LUMINANCE_ALPHA16I_EXT: + RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT16); + break; + case GL_RGBA8I_EXT: + case GL_RGB8I_EXT: + case GL_ALPHA8I_EXT: + case GL_INTENSITY8I_EXT: + case GL_LUMINANCE8I_EXT: + case GL_LUMINANCE_ALPHA8I_EXT: + RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT8); + break; + } + } + + if (ctx->Extensions.ARB_texture_rg) { + switch (internalFormat) { + case GL_R8: + case GL_RED: + case GL_COMPRESSED_RED: + RETURN_IF_SUPPORTED(MESA_FORMAT_R8); + break; + + case GL_R16: + RETURN_IF_SUPPORTED(MESA_FORMAT_R16); + break; + + case GL_RG: + case GL_RG8: + case GL_COMPRESSED_RG: + RETURN_IF_SUPPORTED(MESA_FORMAT_RG88); + break; + + case GL_RG16: + RETURN_IF_SUPPORTED(MESA_FORMAT_RG1616); + break; + + default: + ; /* fallthrough */ + } + } + + if (ctx->Extensions.EXT_texture_format_BGRA8888) { + switch (internalFormat) { + case GL_BGRA: + RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888); + break; + + default: + ; /* fallthrough */ + } + } + + _mesa_problem(ctx, "unexpected format in _mesa_choose_tex_format()"); + return MESA_FORMAT_NONE; +} + diff --git a/mesalib/src/mesa/program/ir_to_mesa.cpp b/mesalib/src/mesa/program/ir_to_mesa.cpp index ee3eae6cf..404b6c646 100644 --- a/mesalib/src/mesa/program/ir_to_mesa.cpp +++ b/mesalib/src/mesa/program/ir_to_mesa.cpp @@ -727,6 +727,29 @@ ir_to_mesa_visitor::visit(ir_variable *ir) fp->OriginUpperLeft = ir->origin_upper_left; fp->PixelCenterInteger = ir->pixel_center_integer; + + } else if (strcmp(ir->name, "gl_FragDepth") == 0) { + struct gl_fragment_program *fp = (struct gl_fragment_program *)this->prog; + switch (ir->depth_layout) { + case ir_depth_layout_none: + fp->FragDepthLayout = FRAG_DEPTH_LAYOUT_NONE; + break; + case ir_depth_layout_any: + fp->FragDepthLayout = FRAG_DEPTH_LAYOUT_ANY; + break; + case ir_depth_layout_greater: + fp->FragDepthLayout = FRAG_DEPTH_LAYOUT_GREATER; + break; + case ir_depth_layout_less: + fp->FragDepthLayout = FRAG_DEPTH_LAYOUT_LESS; + break; + case ir_depth_layout_unchanged: + fp->FragDepthLayout = FRAG_DEPTH_LAYOUT_UNCHANGED; + break; + default: + assert(0); + break; + } } if (ir->mode == ir_var_uniform && strncmp(ir->name, "gl_", 3) == 0) { @@ -1452,18 +1475,17 @@ void ir_to_mesa_visitor::visit(ir_dereference_variable *ir) { variable_storage *entry = find_variable_storage(ir->var); + ir_variable *var = ir->var; if (!entry) { - switch (ir->var->mode) { + switch (var->mode) { case ir_var_uniform: - entry = new(mem_ctx) variable_storage(ir->var, PROGRAM_UNIFORM, - ir->var->location); + entry = new(mem_ctx) variable_storage(var, PROGRAM_UNIFORM, + var->location); this->variables.push_tail(entry); break; case ir_var_in: - case ir_var_out: case ir_var_inout: - case ir_var_system_value: /* The linker assigns locations for varyings and attributes, * including deprecated builtins (like gl_Color), user-assign * generic attributes (glBindVertexLocation), and @@ -1471,49 +1493,47 @@ ir_to_mesa_visitor::visit(ir_dereference_variable *ir) * * FINISHME: We would hit this path for function arguments. Fix! */ - assert(ir->var->location != -1); - if (ir->var->mode == ir_var_in || - ir->var->mode == ir_var_inout) { - entry = new(mem_ctx) variable_storage(ir->var, - PROGRAM_INPUT, - ir->var->location); - - if (this->prog->Target == GL_VERTEX_PROGRAM_ARB && - ir->var->location >= VERT_ATTRIB_GENERIC0) { - _mesa_add_attribute(prog->Attributes, - ir->var->name, - _mesa_sizeof_glsl_type(ir->var->type->gl_type), - ir->var->type->gl_type, - ir->var->location - VERT_ATTRIB_GENERIC0); - } - } else if (ir->var->mode == ir_var_system_value) { - entry = new(mem_ctx) variable_storage(ir->var, - PROGRAM_SYSTEM_VALUE, - ir->var->location); - } else { - entry = new(mem_ctx) variable_storage(ir->var, - PROGRAM_OUTPUT, - ir->var->location); - } - + assert(var->location != -1); + entry = new(mem_ctx) variable_storage(var, + PROGRAM_INPUT, + var->location); + if (this->prog->Target == GL_VERTEX_PROGRAM_ARB && + var->location >= VERT_ATTRIB_GENERIC0) { + _mesa_add_attribute(this->prog->Attributes, + var->name, + _mesa_sizeof_glsl_type(var->type->gl_type), + var->type->gl_type, + var->location - VERT_ATTRIB_GENERIC0); + } + break; + case ir_var_out: + assert(var->location != -1); + entry = new(mem_ctx) variable_storage(var, + PROGRAM_OUTPUT, + var->location); break; + case ir_var_system_value: + entry = new(mem_ctx) variable_storage(var, + PROGRAM_SYSTEM_VALUE, + var->location); + break; case ir_var_auto: case ir_var_temporary: - entry = new(mem_ctx) variable_storage(ir->var, PROGRAM_TEMPORARY, + entry = new(mem_ctx) variable_storage(var, PROGRAM_TEMPORARY, this->next_temp); this->variables.push_tail(entry); - next_temp += type_size(ir->var->type); + next_temp += type_size(var->type); break; } if (!entry) { - printf("Failed to make storage for %s\n", ir->var->name); + printf("Failed to make storage for %s\n", var->name); exit(1); } } - this->result = ir_to_mesa_src_reg(entry->file, entry->index, ir->var->type); + this->result = ir_to_mesa_src_reg(entry->file, entry->index, var->type); } void diff --git a/pixman/configure.ac b/pixman/configure.ac index e2f73dc06..ab2ecde1b 100644 --- a/pixman/configure.ac +++ b/pixman/configure.ac @@ -795,3 +795,26 @@ AC_OUTPUT([pixman-1.pc pixman/Makefile pixman/pixman-version.h test/Makefile]) + +m4_if(m4_eval(pixman_minor % 2), [1], [ + echo + echo "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@" + echo + echo " Thanks for testing this development snapshot of pixman. Please" + echo " report any problems you find, either by sending email to " + echo + echo " pixman@lists.freedesktop.org" + echo + echo " or by filing a bug at " + echo + echo " https://bugs.freedesktop.org/enter_bug.cgi?product=pixman " + echo + echo " If you are looking for a stable release of pixman, please note " + echo " that stable releases have _even_ minor version numbers. Ie., " + echo " pixman-0.]m4_eval(pixman_minor & ~1)[.x are stable releases, whereas pixman-$PIXMAN_VERSION_MAJOR.$PIXMAN_VERSION_MINOR.$PIXMAN_VERSION_MICRO is a " + echo " development snapshot that may contain bugs and experimental " + echo " features. " + echo + echo "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@" + echo +]) diff --git a/pixman/pixman/pixman-arm-neon.c b/pixman/pixman/pixman-arm-neon.c index e89cc3215..7d6c83775 100644 --- a/pixman/pixman/pixman-arm-neon.c +++ b/pixman/pixman/pixman-arm-neon.c @@ -1,435 +1,430 @@ -/* - * Copyright © 2009 ARM Ltd, Movial Creative Technologies Oy - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the name of ARM Ltd not be used in - * advertising or publicity pertaining to distribution of the software without - * specific, written prior permission. ARM Ltd makes no - * representations about the suitability of this software for any purpose. It - * is provided "as is" without express or implied warranty. - * - * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS - * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY - * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN - * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING - * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS - * SOFTWARE. - * - * Author: Ian Rickards (ian.rickards@arm.com) - * Author: Jonathan Morton (jonathan.morton@movial.com) - * Author: Markku Vire (markku.vire@movial.com) - * - */ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#include -#include "pixman-private.h" -#include "pixman-arm-common.h" - -PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, src_8888_8888, - uint32_t, 1, uint32_t, 1) -PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, src_x888_8888, - uint32_t, 1, uint32_t, 1) -PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, src_0565_0565, - uint16_t, 1, uint16_t, 1) -PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, src_0888_0888, - uint8_t, 3, uint8_t, 3) -PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, src_8888_0565, - uint32_t, 1, uint16_t, 1) -PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, src_0565_8888, - uint16_t, 1, uint32_t, 1) -PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, src_0888_8888_rev, - uint8_t, 3, uint32_t, 1) -PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, src_0888_0565_rev, - uint8_t, 3, uint16_t, 1) -PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, src_pixbuf_8888, - uint32_t, 1, uint32_t, 1) -PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, src_rpixbuf_8888, - uint32_t, 1, uint32_t, 1) -PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, add_8_8, - uint8_t, 1, uint8_t, 1) -PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, add_8888_8888, - uint32_t, 1, uint32_t, 1) -PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, over_8888_0565, - uint32_t, 1, uint16_t, 1) -PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, over_8888_8888, - uint32_t, 1, uint32_t, 1) -PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, out_reverse_8_0565, - uint8_t, 1, uint16_t, 1) - -PIXMAN_ARM_BIND_FAST_PATH_N_DST (SKIP_ZERO_SRC, neon, over_n_0565, - uint16_t, 1) -PIXMAN_ARM_BIND_FAST_PATH_N_DST (SKIP_ZERO_SRC, neon, over_n_8888, - uint32_t, 1) -PIXMAN_ARM_BIND_FAST_PATH_N_DST (SKIP_ZERO_SRC, neon, over_reverse_n_8888, - uint32_t, 1) -PIXMAN_ARM_BIND_FAST_PATH_N_DST (0, neon, in_n_8, - uint8_t, 1) - -PIXMAN_ARM_BIND_FAST_PATH_N_MASK_DST (SKIP_ZERO_SRC, neon, over_n_8_0565, - uint8_t, 1, uint16_t, 1) -PIXMAN_ARM_BIND_FAST_PATH_N_MASK_DST (SKIP_ZERO_SRC, neon, over_n_8_8888, - uint8_t, 1, uint32_t, 1) -PIXMAN_ARM_BIND_FAST_PATH_N_MASK_DST (SKIP_ZERO_SRC, neon, over_n_8888_8888_ca, - uint32_t, 1, uint32_t, 1) -PIXMAN_ARM_BIND_FAST_PATH_N_MASK_DST (SKIP_ZERO_SRC, neon, over_n_8_8, - uint8_t, 1, uint8_t, 1) -PIXMAN_ARM_BIND_FAST_PATH_N_MASK_DST (SKIP_ZERO_SRC, neon, add_n_8_8, - uint8_t, 1, uint8_t, 1) -PIXMAN_ARM_BIND_FAST_PATH_N_MASK_DST (SKIP_ZERO_SRC, neon, add_n_8_8888, - uint8_t, 1, uint32_t, 1) - -PIXMAN_ARM_BIND_FAST_PATH_SRC_N_DST (SKIP_ZERO_MASK, neon, over_8888_n_8888, - uint32_t, 1, uint32_t, 1) -PIXMAN_ARM_BIND_FAST_PATH_SRC_N_DST (SKIP_ZERO_MASK, neon, over_8888_n_0565, - uint32_t, 1, uint16_t, 1) -PIXMAN_ARM_BIND_FAST_PATH_SRC_N_DST (SKIP_ZERO_MASK, neon, over_0565_n_0565, - uint16_t, 1, uint16_t, 1) -PIXMAN_ARM_BIND_FAST_PATH_SRC_N_DST (SKIP_ZERO_MASK, neon, add_8888_n_8888, - uint32_t, 1, uint32_t, 1) - -PIXMAN_ARM_BIND_FAST_PATH_SRC_MASK_DST (neon, add_8_8_8, - uint8_t, 1, uint8_t, 1, uint8_t, 1) -PIXMAN_ARM_BIND_FAST_PATH_SRC_MASK_DST (neon, add_0565_8_0565, - uint16_t, 1, uint8_t, 1, uint16_t, 1) -PIXMAN_ARM_BIND_FAST_PATH_SRC_MASK_DST (neon, add_8888_8_8888, - uint32_t, 1, uint8_t, 1, uint32_t, 1) -PIXMAN_ARM_BIND_FAST_PATH_SRC_MASK_DST (neon, add_8888_8888_8888, - uint32_t, 1, uint32_t, 1, uint32_t, 1) -PIXMAN_ARM_BIND_FAST_PATH_SRC_MASK_DST (neon, over_8888_8_8888, - uint32_t, 1, uint8_t, 1, uint32_t, 1) -PIXMAN_ARM_BIND_FAST_PATH_SRC_MASK_DST (neon, over_8888_8888_8888, - uint32_t, 1, uint32_t, 1, uint32_t, 1) -PIXMAN_ARM_BIND_FAST_PATH_SRC_MASK_DST (neon, over_8888_8_0565, - uint32_t, 1, uint8_t, 1, uint16_t, 1) -PIXMAN_ARM_BIND_FAST_PATH_SRC_MASK_DST (neon, over_0565_8_0565, - uint16_t, 1, uint8_t, 1, uint16_t, 1) - -PIXMAN_ARM_BIND_SCALED_NEAREST_SRC_DST (neon, 8888_8888, OVER, - uint32_t, uint32_t) -PIXMAN_ARM_BIND_SCALED_NEAREST_SRC_DST (neon, 8888_0565, OVER, - uint32_t, uint16_t) -PIXMAN_ARM_BIND_SCALED_NEAREST_SRC_DST (neon, 8888_0565, SRC, - uint32_t, uint16_t) -PIXMAN_ARM_BIND_SCALED_NEAREST_SRC_DST (neon, 0565_8888, SRC, - uint16_t, uint32_t) - -void -pixman_composite_src_n_8_asm_neon (int32_t w, - int32_t h, - uint8_t *dst, - int32_t dst_stride, - uint8_t src); - -void -pixman_composite_src_n_0565_asm_neon (int32_t w, - int32_t h, - uint16_t *dst, - int32_t dst_stride, - uint16_t src); - -void -pixman_composite_src_n_8888_asm_neon (int32_t w, - int32_t h, - uint32_t *dst, - int32_t dst_stride, - uint32_t src); - -static pixman_bool_t -pixman_fill_neon (uint32_t *bits, - int stride, - int bpp, - int x, - int y, - int width, - int height, - uint32_t _xor) -{ - /* stride is always multiple of 32bit units in pixman */ - uint32_t byte_stride = stride * sizeof(uint32_t); - - switch (bpp) - { - case 8: - pixman_composite_src_n_8_asm_neon ( - width, - height, - (uint8_t *)(((char *) bits) + y * byte_stride + x), - byte_stride, - _xor & 0xff); - return TRUE; - case 16: - pixman_composite_src_n_0565_asm_neon ( - width, - height, - (uint16_t *)(((char *) bits) + y * byte_stride + x * 2), - byte_stride / 2, - _xor & 0xffff); - return TRUE; - case 32: - pixman_composite_src_n_8888_asm_neon ( - width, - height, - (uint32_t *)(((char *) bits) + y * byte_stride + x * 4), - byte_stride / 4, - _xor); - return TRUE; - default: - return FALSE; - } -} - -static pixman_bool_t -pixman_blt_neon (uint32_t *src_bits, - uint32_t *dst_bits, - int src_stride, - int dst_stride, - int src_bpp, - int dst_bpp, - int src_x, - int src_y, - int dst_x, - int dst_y, - int width, - int height) -{ - if (src_bpp != dst_bpp) - return FALSE; - - switch (src_bpp) - { - case 16: - pixman_composite_src_0565_0565_asm_neon ( - width, height, - (uint16_t *)(((char *) dst_bits) + - dst_y * dst_stride * 4 + dst_x * 2), dst_stride * 2, - (uint16_t *)(((char *) src_bits) + - src_y * src_stride * 4 + src_x * 2), src_stride * 2); - return TRUE; - case 32: - pixman_composite_src_8888_8888_asm_neon ( - width, height, - (uint32_t *)(((char *) dst_bits) + - dst_y * dst_stride * 4 + dst_x * 4), dst_stride, - (uint32_t *)(((char *) src_bits) + - src_y * src_stride * 4 + src_x * 4), src_stride); - return TRUE; - default: - return FALSE; - } -} - -static const pixman_fast_path_t arm_neon_fast_paths[] = -{ - PIXMAN_STD_FAST_PATH (SRC, r5g6b5, null, r5g6b5, neon_composite_src_0565_0565), - PIXMAN_STD_FAST_PATH (SRC, b5g6r5, null, b5g6r5, neon_composite_src_0565_0565), - PIXMAN_STD_FAST_PATH (SRC, a8r8g8b8, null, r5g6b5, neon_composite_src_8888_0565), - PIXMAN_STD_FAST_PATH (SRC, x8r8g8b8, null, r5g6b5, neon_composite_src_8888_0565), - PIXMAN_STD_FAST_PATH (SRC, a8b8g8r8, null, b5g6r5, neon_composite_src_8888_0565), - PIXMAN_STD_FAST_PATH (SRC, x8b8g8r8, null, b5g6r5, neon_composite_src_8888_0565), - PIXMAN_STD_FAST_PATH (SRC, r5g6b5, null, a8r8g8b8, neon_composite_src_0565_8888), - PIXMAN_STD_FAST_PATH (SRC, r5g6b5, null, x8r8g8b8, neon_composite_src_0565_8888), - PIXMAN_STD_FAST_PATH (SRC, b5g6r5, null, a8b8g8r8, neon_composite_src_0565_8888), - PIXMAN_STD_FAST_PATH (SRC, b5g6r5, null, x8b8g8r8, neon_composite_src_0565_8888), - PIXMAN_STD_FAST_PATH (SRC, a8r8g8b8, null, x8r8g8b8, neon_composite_src_8888_8888), - PIXMAN_STD_FAST_PATH (SRC, x8r8g8b8, null, x8r8g8b8, neon_composite_src_8888_8888), - PIXMAN_STD_FAST_PATH (SRC, a8b8g8r8, null, x8b8g8r8, neon_composite_src_8888_8888), - PIXMAN_STD_FAST_PATH (SRC, x8b8g8r8, null, x8b8g8r8, neon_composite_src_8888_8888), - PIXMAN_STD_FAST_PATH (SRC, a8r8g8b8, null, a8r8g8b8, neon_composite_src_8888_8888), - PIXMAN_STD_FAST_PATH (SRC, a8b8g8r8, null, a8b8g8r8, neon_composite_src_8888_8888), - PIXMAN_STD_FAST_PATH (SRC, x8r8g8b8, null, a8r8g8b8, neon_composite_src_x888_8888), - PIXMAN_STD_FAST_PATH (SRC, x8b8g8r8, null, a8b8g8r8, neon_composite_src_x888_8888), - PIXMAN_STD_FAST_PATH (SRC, r8g8b8, null, r8g8b8, neon_composite_src_0888_0888), - PIXMAN_STD_FAST_PATH (SRC, b8g8r8, null, x8r8g8b8, neon_composite_src_0888_8888_rev), - PIXMAN_STD_FAST_PATH (SRC, b8g8r8, null, r5g6b5, neon_composite_src_0888_0565_rev), - PIXMAN_STD_FAST_PATH (SRC, pixbuf, pixbuf, a8r8g8b8, neon_composite_src_pixbuf_8888), - PIXMAN_STD_FAST_PATH (SRC, pixbuf, pixbuf, a8b8g8r8, neon_composite_src_rpixbuf_8888), - PIXMAN_STD_FAST_PATH (SRC, rpixbuf, rpixbuf, a8r8g8b8, neon_composite_src_rpixbuf_8888), - PIXMAN_STD_FAST_PATH (SRC, rpixbuf, rpixbuf, a8b8g8r8, neon_composite_src_pixbuf_8888), - PIXMAN_STD_FAST_PATH (OVER, solid, a8, a8, neon_composite_over_n_8_8), - PIXMAN_STD_FAST_PATH (OVER, solid, a8, r5g6b5, neon_composite_over_n_8_0565), - PIXMAN_STD_FAST_PATH (OVER, solid, a8, b5g6r5, neon_composite_over_n_8_0565), - PIXMAN_STD_FAST_PATH (OVER, solid, a8, a8r8g8b8, neon_composite_over_n_8_8888), - PIXMAN_STD_FAST_PATH (OVER, solid, a8, x8r8g8b8, neon_composite_over_n_8_8888), - PIXMAN_STD_FAST_PATH (OVER, solid, a8, a8b8g8r8, neon_composite_over_n_8_8888), - PIXMAN_STD_FAST_PATH (OVER, solid, a8, x8b8g8r8, neon_composite_over_n_8_8888), - PIXMAN_STD_FAST_PATH (OVER, solid, null, r5g6b5, neon_composite_over_n_0565), - PIXMAN_STD_FAST_PATH (OVER, solid, null, a8r8g8b8, neon_composite_over_n_8888), - PIXMAN_STD_FAST_PATH (OVER, solid, null, x8r8g8b8, neon_composite_over_n_8888), - PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8r8g8b8, a8r8g8b8, neon_composite_over_n_8888_8888_ca), - PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8r8g8b8, x8r8g8b8, neon_composite_over_n_8888_8888_ca), - PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8b8g8r8, a8b8g8r8, neon_composite_over_n_8888_8888_ca), - PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8b8g8r8, x8b8g8r8, neon_composite_over_n_8888_8888_ca), - PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, solid, a8r8g8b8, neon_composite_over_8888_n_8888), - PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, solid, x8r8g8b8, neon_composite_over_8888_n_8888), - PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, solid, r5g6b5, neon_composite_over_8888_n_0565), - PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, solid, b5g6r5, neon_composite_over_8888_n_0565), - PIXMAN_STD_FAST_PATH (OVER, r5g6b5, solid, r5g6b5, neon_composite_over_0565_n_0565), - PIXMAN_STD_FAST_PATH (OVER, b5g6r5, solid, b5g6r5, neon_composite_over_0565_n_0565), - PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, a8, a8r8g8b8, neon_composite_over_8888_8_8888), - PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, a8, x8r8g8b8, neon_composite_over_8888_8_8888), - PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, a8, a8b8g8r8, neon_composite_over_8888_8_8888), - PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, a8, x8b8g8r8, neon_composite_over_8888_8_8888), - PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, a8, r5g6b5, neon_composite_over_8888_8_0565), - PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, a8, b5g6r5, neon_composite_over_8888_8_0565), - PIXMAN_STD_FAST_PATH (OVER, r5g6b5, a8, r5g6b5, neon_composite_over_0565_8_0565), - PIXMAN_STD_FAST_PATH (OVER, b5g6r5, a8, b5g6r5, neon_composite_over_0565_8_0565), - PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, a8r8g8b8, a8r8g8b8, neon_composite_over_8888_8888_8888), - PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, null, r5g6b5, neon_composite_over_8888_0565), - PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, null, b5g6r5, neon_composite_over_8888_0565), - PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, null, a8r8g8b8, neon_composite_over_8888_8888), - PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, null, x8r8g8b8, neon_composite_over_8888_8888), - PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, null, a8b8g8r8, neon_composite_over_8888_8888), - PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, null, x8b8g8r8, neon_composite_over_8888_8888), - PIXMAN_STD_FAST_PATH (OVER, x8r8g8b8, null, a8r8g8b8, neon_composite_src_x888_8888), - PIXMAN_STD_FAST_PATH (OVER, x8b8g8r8, null, a8b8g8r8, neon_composite_src_x888_8888), - PIXMAN_STD_FAST_PATH (ADD, solid, a8, a8, neon_composite_add_n_8_8), - PIXMAN_STD_FAST_PATH (ADD, solid, a8, a8r8g8b8, neon_composite_add_n_8_8888), - PIXMAN_STD_FAST_PATH (ADD, solid, a8, a8b8g8r8, neon_composite_add_n_8_8888), - PIXMAN_STD_FAST_PATH (ADD, a8, a8, a8, neon_composite_add_8_8_8), - PIXMAN_STD_FAST_PATH (ADD, r5g6b5, a8, r5g6b5, neon_composite_add_0565_8_0565), - PIXMAN_STD_FAST_PATH (ADD, b5g6r5, a8, b5g6r5, neon_composite_add_0565_8_0565), - PIXMAN_STD_FAST_PATH (ADD, a8r8g8b8, a8, a8r8g8b8, neon_composite_add_8888_8_8888), - PIXMAN_STD_FAST_PATH (ADD, a8b8g8r8, a8, a8b8g8r8, neon_composite_add_8888_8_8888), - PIXMAN_STD_FAST_PATH (ADD, a8r8g8b8, a8r8g8b8, a8r8g8b8, neon_composite_add_8888_8888_8888), - PIXMAN_STD_FAST_PATH (ADD, a8r8g8b8, solid, a8r8g8b8, neon_composite_add_8888_n_8888), - PIXMAN_STD_FAST_PATH (ADD, a8b8g8r8, solid, a8b8g8r8, neon_composite_add_8888_n_8888), - PIXMAN_STD_FAST_PATH (ADD, a8, null, a8, neon_composite_add_8_8), - PIXMAN_STD_FAST_PATH (ADD, a8r8g8b8, null, a8r8g8b8, neon_composite_add_8888_8888), - PIXMAN_STD_FAST_PATH (ADD, a8b8g8r8, null, a8b8g8r8, neon_composite_add_8888_8888), - PIXMAN_STD_FAST_PATH (IN, solid, null, a8, neon_composite_in_n_8), - PIXMAN_STD_FAST_PATH (OVER_REVERSE, solid, null, a8r8g8b8, neon_composite_over_reverse_n_8888), - PIXMAN_STD_FAST_PATH (OVER_REVERSE, solid, null, a8b8g8r8, neon_composite_over_reverse_n_8888), - PIXMAN_STD_FAST_PATH (OUT_REVERSE, a8, null, r5g6b5, neon_composite_out_reverse_8_0565), - PIXMAN_STD_FAST_PATH (OUT_REVERSE, a8, null, b5g6r5, neon_composite_out_reverse_8_0565), - - PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (OVER, a8r8g8b8, a8r8g8b8, neon_8888_8888), - PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (OVER, a8b8g8r8, a8b8g8r8, neon_8888_8888), - PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (OVER, a8r8g8b8, x8r8g8b8, neon_8888_8888), - PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (OVER, a8b8g8r8, x8b8g8r8, neon_8888_8888), - - PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (OVER, a8r8g8b8, r5g6b5, neon_8888_0565), - PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (OVER, a8b8g8r8, b5g6r5, neon_8888_0565), - - PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (SRC, a8r8g8b8, r5g6b5, neon_8888_0565), - PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (SRC, x8r8g8b8, r5g6b5, neon_8888_0565), - PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (SRC, a8b8g8r8, b5g6r5, neon_8888_0565), - PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (SRC, x8b8g8r8, b5g6r5, neon_8888_0565), - - PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (SRC, b5g6r5, x8b8g8r8, neon_0565_8888), - PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (SRC, r5g6b5, x8r8g8b8, neon_0565_8888), - /* Note: NONE repeat is not supported yet */ - SIMPLE_NEAREST_FAST_PATH_COVER (SRC, r5g6b5, a8r8g8b8, neon_0565_8888), - SIMPLE_NEAREST_FAST_PATH_COVER (SRC, b5g6r5, a8b8g8r8, neon_0565_8888), - SIMPLE_NEAREST_FAST_PATH_PAD (SRC, r5g6b5, a8r8g8b8, neon_0565_8888), - SIMPLE_NEAREST_FAST_PATH_PAD (SRC, b5g6r5, a8b8g8r8, neon_0565_8888), - - { PIXMAN_OP_NONE }, -}; - -static pixman_bool_t -arm_neon_blt (pixman_implementation_t *imp, - uint32_t * src_bits, - uint32_t * dst_bits, - int src_stride, - int dst_stride, - int src_bpp, - int dst_bpp, - int src_x, - int src_y, - int dst_x, - int dst_y, - int width, - int height) -{ - if (!pixman_blt_neon ( - src_bits, dst_bits, src_stride, dst_stride, src_bpp, dst_bpp, - src_x, src_y, dst_x, dst_y, width, height)) - - { - return _pixman_implementation_blt ( - imp->delegate, - src_bits, dst_bits, src_stride, dst_stride, src_bpp, dst_bpp, - src_x, src_y, dst_x, dst_y, width, height); - } - - return TRUE; -} - -static pixman_bool_t -arm_neon_fill (pixman_implementation_t *imp, - uint32_t * bits, - int stride, - int bpp, - int x, - int y, - int width, - int height, - uint32_t xor) -{ - if (pixman_fill_neon (bits, stride, bpp, x, y, width, height, xor)) - return TRUE; - - return _pixman_implementation_fill ( - imp->delegate, bits, stride, bpp, x, y, width, height, xor); -} - -#define BIND_COMBINE_U(name) \ -void \ -pixman_composite_scanline_##name##_mask_asm_neon (int32_t w, \ - const uint32_t *dst, \ - const uint32_t *src, \ - const uint32_t *mask); \ - \ -void \ -pixman_composite_scanline_##name##_asm_neon (int32_t w, \ - const uint32_t *dst, \ - const uint32_t *src); \ - \ -static void \ -neon_combine_##name##_u (pixman_implementation_t *imp, \ - pixman_op_t op, \ - uint32_t * dest, \ - const uint32_t * src, \ - const uint32_t * mask, \ - int width) \ -{ \ - if (mask) \ - pixman_composite_scanline_##name##_mask_asm_neon (width, dest, \ - src, mask); \ - else \ - pixman_composite_scanline_##name##_asm_neon (width, dest, src); \ -} - -BIND_COMBINE_U (over) -BIND_COMBINE_U (add) -BIND_COMBINE_U (out_reverse) - -pixman_implementation_t * -_pixman_implementation_create_arm_neon (void) -{ -#ifdef USE_ARM_SIMD - pixman_implementation_t *fallback = _pixman_implementation_create_arm_simd (); -#else - pixman_implementation_t *fallback = _pixman_implementation_create_fast_path (); -#endif - pixman_implementation_t *imp = - _pixman_implementation_create (fallback, arm_neon_fast_paths); - - imp->combine_32[PIXMAN_OP_OVER] = neon_combine_over_u; - imp->combine_32[PIXMAN_OP_ADD] = neon_combine_add_u; - imp->combine_32[PIXMAN_OP_OUT_REVERSE] = neon_combine_out_reverse_u; - - imp->blt = arm_neon_blt; - imp->fill = arm_neon_fill; - - return imp; -} +/* + * Copyright © 2009 ARM Ltd, Movial Creative Technologies Oy + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of ARM Ltd not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. ARM Ltd makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY + * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN + * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING + * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS + * SOFTWARE. + * + * Author: Ian Rickards (ian.rickards@arm.com) + * Author: Jonathan Morton (jonathan.morton@movial.com) + * Author: Markku Vire (markku.vire@movial.com) + * + */ + +#ifdef HAVE_CONFIG_H +#include +#endif + +#include +#include "pixman-private.h" +#include "pixman-arm-common.h" + +PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, src_8888_8888, + uint32_t, 1, uint32_t, 1) +PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, src_x888_8888, + uint32_t, 1, uint32_t, 1) +PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, src_0565_0565, + uint16_t, 1, uint16_t, 1) +PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, src_0888_0888, + uint8_t, 3, uint8_t, 3) +PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, src_8888_0565, + uint32_t, 1, uint16_t, 1) +PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, src_0565_8888, + uint16_t, 1, uint32_t, 1) +PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, src_0888_8888_rev, + uint8_t, 3, uint32_t, 1) +PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, src_0888_0565_rev, + uint8_t, 3, uint16_t, 1) +PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, src_pixbuf_8888, + uint32_t, 1, uint32_t, 1) +PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, src_rpixbuf_8888, + uint32_t, 1, uint32_t, 1) +PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, add_8_8, + uint8_t, 1, uint8_t, 1) +PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, add_8888_8888, + uint32_t, 1, uint32_t, 1) +PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, over_8888_0565, + uint32_t, 1, uint16_t, 1) +PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, over_8888_8888, + uint32_t, 1, uint32_t, 1) +PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, out_reverse_8_0565, + uint8_t, 1, uint16_t, 1) + +PIXMAN_ARM_BIND_FAST_PATH_N_DST (SKIP_ZERO_SRC, neon, over_n_0565, + uint16_t, 1) +PIXMAN_ARM_BIND_FAST_PATH_N_DST (SKIP_ZERO_SRC, neon, over_n_8888, + uint32_t, 1) +PIXMAN_ARM_BIND_FAST_PATH_N_DST (SKIP_ZERO_SRC, neon, over_reverse_n_8888, + uint32_t, 1) +PIXMAN_ARM_BIND_FAST_PATH_N_DST (0, neon, in_n_8, + uint8_t, 1) + +PIXMAN_ARM_BIND_FAST_PATH_N_MASK_DST (SKIP_ZERO_SRC, neon, over_n_8_0565, + uint8_t, 1, uint16_t, 1) +PIXMAN_ARM_BIND_FAST_PATH_N_MASK_DST (SKIP_ZERO_SRC, neon, over_n_8_8888, + uint8_t, 1, uint32_t, 1) +PIXMAN_ARM_BIND_FAST_PATH_N_MASK_DST (SKIP_ZERO_SRC, neon, over_n_8888_8888_ca, + uint32_t, 1, uint32_t, 1) +PIXMAN_ARM_BIND_FAST_PATH_N_MASK_DST (SKIP_ZERO_SRC, neon, over_n_8_8, + uint8_t, 1, uint8_t, 1) +PIXMAN_ARM_BIND_FAST_PATH_N_MASK_DST (SKIP_ZERO_SRC, neon, add_n_8_8, + uint8_t, 1, uint8_t, 1) +PIXMAN_ARM_BIND_FAST_PATH_N_MASK_DST (SKIP_ZERO_SRC, neon, add_n_8_8888, + uint8_t, 1, uint32_t, 1) + +PIXMAN_ARM_BIND_FAST_PATH_SRC_N_DST (SKIP_ZERO_MASK, neon, over_8888_n_8888, + uint32_t, 1, uint32_t, 1) +PIXMAN_ARM_BIND_FAST_PATH_SRC_N_DST (SKIP_ZERO_MASK, neon, over_8888_n_0565, + uint32_t, 1, uint16_t, 1) +PIXMAN_ARM_BIND_FAST_PATH_SRC_N_DST (SKIP_ZERO_MASK, neon, over_0565_n_0565, + uint16_t, 1, uint16_t, 1) +PIXMAN_ARM_BIND_FAST_PATH_SRC_N_DST (SKIP_ZERO_MASK, neon, add_8888_n_8888, + uint32_t, 1, uint32_t, 1) + +PIXMAN_ARM_BIND_FAST_PATH_SRC_MASK_DST (neon, add_8_8_8, + uint8_t, 1, uint8_t, 1, uint8_t, 1) +PIXMAN_ARM_BIND_FAST_PATH_SRC_MASK_DST (neon, add_0565_8_0565, + uint16_t, 1, uint8_t, 1, uint16_t, 1) +PIXMAN_ARM_BIND_FAST_PATH_SRC_MASK_DST (neon, add_8888_8_8888, + uint32_t, 1, uint8_t, 1, uint32_t, 1) +PIXMAN_ARM_BIND_FAST_PATH_SRC_MASK_DST (neon, add_8888_8888_8888, + uint32_t, 1, uint32_t, 1, uint32_t, 1) +PIXMAN_ARM_BIND_FAST_PATH_SRC_MASK_DST (neon, over_8888_8_8888, + uint32_t, 1, uint8_t, 1, uint32_t, 1) +PIXMAN_ARM_BIND_FAST_PATH_SRC_MASK_DST (neon, over_8888_8888_8888, + uint32_t, 1, uint32_t, 1, uint32_t, 1) +PIXMAN_ARM_BIND_FAST_PATH_SRC_MASK_DST (neon, over_8888_8_0565, + uint32_t, 1, uint8_t, 1, uint16_t, 1) +PIXMAN_ARM_BIND_FAST_PATH_SRC_MASK_DST (neon, over_0565_8_0565, + uint16_t, 1, uint8_t, 1, uint16_t, 1) + +PIXMAN_ARM_BIND_SCALED_NEAREST_SRC_DST (neon, 8888_8888, OVER, + uint32_t, uint32_t) +PIXMAN_ARM_BIND_SCALED_NEAREST_SRC_DST (neon, 8888_0565, OVER, + uint32_t, uint16_t) +PIXMAN_ARM_BIND_SCALED_NEAREST_SRC_DST (neon, 8888_0565, SRC, + uint32_t, uint16_t) +PIXMAN_ARM_BIND_SCALED_NEAREST_SRC_DST (neon, 0565_8888, SRC, + uint16_t, uint32_t) + +void +pixman_composite_src_n_8_asm_neon (int32_t w, + int32_t h, + uint8_t *dst, + int32_t dst_stride, + uint8_t src); + +void +pixman_composite_src_n_0565_asm_neon (int32_t w, + int32_t h, + uint16_t *dst, + int32_t dst_stride, + uint16_t src); + +void +pixman_composite_src_n_8888_asm_neon (int32_t w, + int32_t h, + uint32_t *dst, + int32_t dst_stride, + uint32_t src); + +static pixman_bool_t +pixman_fill_neon (uint32_t *bits, + int stride, + int bpp, + int x, + int y, + int width, + int height, + uint32_t _xor) +{ + /* stride is always multiple of 32bit units in pixman */ + uint32_t byte_stride = stride * sizeof(uint32_t); + + switch (bpp) + { + case 8: + pixman_composite_src_n_8_asm_neon ( + width, + height, + (uint8_t *)(((char *) bits) + y * byte_stride + x), + byte_stride, + _xor & 0xff); + return TRUE; + case 16: + pixman_composite_src_n_0565_asm_neon ( + width, + height, + (uint16_t *)(((char *) bits) + y * byte_stride + x * 2), + byte_stride / 2, + _xor & 0xffff); + return TRUE; + case 32: + pixman_composite_src_n_8888_asm_neon ( + width, + height, + (uint32_t *)(((char *) bits) + y * byte_stride + x * 4), + byte_stride / 4, + _xor); + return TRUE; + default: + return FALSE; + } +} + +static pixman_bool_t +pixman_blt_neon (uint32_t *src_bits, + uint32_t *dst_bits, + int src_stride, + int dst_stride, + int src_bpp, + int dst_bpp, + int src_x, + int src_y, + int dst_x, + int dst_y, + int width, + int height) +{ + if (src_bpp != dst_bpp) + return FALSE; + + switch (src_bpp) + { + case 16: + pixman_composite_src_0565_0565_asm_neon ( + width, height, + (uint16_t *)(((char *) dst_bits) + + dst_y * dst_stride * 4 + dst_x * 2), dst_stride * 2, + (uint16_t *)(((char *) src_bits) + + src_y * src_stride * 4 + src_x * 2), src_stride * 2); + return TRUE; + case 32: + pixman_composite_src_8888_8888_asm_neon ( + width, height, + (uint32_t *)(((char *) dst_bits) + + dst_y * dst_stride * 4 + dst_x * 4), dst_stride, + (uint32_t *)(((char *) src_bits) + + src_y * src_stride * 4 + src_x * 4), src_stride); + return TRUE; + default: + return FALSE; + } +} + +static const pixman_fast_path_t arm_neon_fast_paths[] = +{ + PIXMAN_STD_FAST_PATH (SRC, r5g6b5, null, r5g6b5, neon_composite_src_0565_0565), + PIXMAN_STD_FAST_PATH (SRC, b5g6r5, null, b5g6r5, neon_composite_src_0565_0565), + PIXMAN_STD_FAST_PATH (SRC, a8r8g8b8, null, r5g6b5, neon_composite_src_8888_0565), + PIXMAN_STD_FAST_PATH (SRC, x8r8g8b8, null, r5g6b5, neon_composite_src_8888_0565), + PIXMAN_STD_FAST_PATH (SRC, a8b8g8r8, null, b5g6r5, neon_composite_src_8888_0565), + PIXMAN_STD_FAST_PATH (SRC, x8b8g8r8, null, b5g6r5, neon_composite_src_8888_0565), + PIXMAN_STD_FAST_PATH (SRC, r5g6b5, null, a8r8g8b8, neon_composite_src_0565_8888), + PIXMAN_STD_FAST_PATH (SRC, r5g6b5, null, x8r8g8b8, neon_composite_src_0565_8888), + PIXMAN_STD_FAST_PATH (SRC, b5g6r5, null, a8b8g8r8, neon_composite_src_0565_8888), + PIXMAN_STD_FAST_PATH (SRC, b5g6r5, null, x8b8g8r8, neon_composite_src_0565_8888), + PIXMAN_STD_FAST_PATH (SRC, a8r8g8b8, null, x8r8g8b8, neon_composite_src_8888_8888), + PIXMAN_STD_FAST_PATH (SRC, x8r8g8b8, null, x8r8g8b8, neon_composite_src_8888_8888), + PIXMAN_STD_FAST_PATH (SRC, a8b8g8r8, null, x8b8g8r8, neon_composite_src_8888_8888), + PIXMAN_STD_FAST_PATH (SRC, x8b8g8r8, null, x8b8g8r8, neon_composite_src_8888_8888), + PIXMAN_STD_FAST_PATH (SRC, a8r8g8b8, null, a8r8g8b8, neon_composite_src_8888_8888), + PIXMAN_STD_FAST_PATH (SRC, a8b8g8r8, null, a8b8g8r8, neon_composite_src_8888_8888), + PIXMAN_STD_FAST_PATH (SRC, x8r8g8b8, null, a8r8g8b8, neon_composite_src_x888_8888), + PIXMAN_STD_FAST_PATH (SRC, x8b8g8r8, null, a8b8g8r8, neon_composite_src_x888_8888), + PIXMAN_STD_FAST_PATH (SRC, r8g8b8, null, r8g8b8, neon_composite_src_0888_0888), + PIXMAN_STD_FAST_PATH (SRC, b8g8r8, null, x8r8g8b8, neon_composite_src_0888_8888_rev), + PIXMAN_STD_FAST_PATH (SRC, b8g8r8, null, r5g6b5, neon_composite_src_0888_0565_rev), + PIXMAN_STD_FAST_PATH (SRC, pixbuf, pixbuf, a8r8g8b8, neon_composite_src_pixbuf_8888), + PIXMAN_STD_FAST_PATH (SRC, pixbuf, pixbuf, a8b8g8r8, neon_composite_src_rpixbuf_8888), + PIXMAN_STD_FAST_PATH (SRC, rpixbuf, rpixbuf, a8r8g8b8, neon_composite_src_rpixbuf_8888), + PIXMAN_STD_FAST_PATH (SRC, rpixbuf, rpixbuf, a8b8g8r8, neon_composite_src_pixbuf_8888), + PIXMAN_STD_FAST_PATH (OVER, solid, a8, a8, neon_composite_over_n_8_8), + PIXMAN_STD_FAST_PATH (OVER, solid, a8, r5g6b5, neon_composite_over_n_8_0565), + PIXMAN_STD_FAST_PATH (OVER, solid, a8, b5g6r5, neon_composite_over_n_8_0565), + PIXMAN_STD_FAST_PATH (OVER, solid, a8, a8r8g8b8, neon_composite_over_n_8_8888), + PIXMAN_STD_FAST_PATH (OVER, solid, a8, x8r8g8b8, neon_composite_over_n_8_8888), + PIXMAN_STD_FAST_PATH (OVER, solid, a8, a8b8g8r8, neon_composite_over_n_8_8888), + PIXMAN_STD_FAST_PATH (OVER, solid, a8, x8b8g8r8, neon_composite_over_n_8_8888), + PIXMAN_STD_FAST_PATH (OVER, solid, null, r5g6b5, neon_composite_over_n_0565), + PIXMAN_STD_FAST_PATH (OVER, solid, null, a8r8g8b8, neon_composite_over_n_8888), + PIXMAN_STD_FAST_PATH (OVER, solid, null, x8r8g8b8, neon_composite_over_n_8888), + PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8r8g8b8, a8r8g8b8, neon_composite_over_n_8888_8888_ca), + PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8r8g8b8, x8r8g8b8, neon_composite_over_n_8888_8888_ca), + PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8b8g8r8, a8b8g8r8, neon_composite_over_n_8888_8888_ca), + PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8b8g8r8, x8b8g8r8, neon_composite_over_n_8888_8888_ca), + PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, solid, a8r8g8b8, neon_composite_over_8888_n_8888), + PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, solid, x8r8g8b8, neon_composite_over_8888_n_8888), + PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, solid, r5g6b5, neon_composite_over_8888_n_0565), + PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, solid, b5g6r5, neon_composite_over_8888_n_0565), + PIXMAN_STD_FAST_PATH (OVER, r5g6b5, solid, r5g6b5, neon_composite_over_0565_n_0565), + PIXMAN_STD_FAST_PATH (OVER, b5g6r5, solid, b5g6r5, neon_composite_over_0565_n_0565), + PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, a8, a8r8g8b8, neon_composite_over_8888_8_8888), + PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, a8, x8r8g8b8, neon_composite_over_8888_8_8888), + PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, a8, a8b8g8r8, neon_composite_over_8888_8_8888), + PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, a8, x8b8g8r8, neon_composite_over_8888_8_8888), + PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, a8, r5g6b5, neon_composite_over_8888_8_0565), + PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, a8, b5g6r5, neon_composite_over_8888_8_0565), + PIXMAN_STD_FAST_PATH (OVER, r5g6b5, a8, r5g6b5, neon_composite_over_0565_8_0565), + PIXMAN_STD_FAST_PATH (OVER, b5g6r5, a8, b5g6r5, neon_composite_over_0565_8_0565), + PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, a8r8g8b8, a8r8g8b8, neon_composite_over_8888_8888_8888), + PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, null, r5g6b5, neon_composite_over_8888_0565), + PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, null, b5g6r5, neon_composite_over_8888_0565), + PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, null, a8r8g8b8, neon_composite_over_8888_8888), + PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, null, x8r8g8b8, neon_composite_over_8888_8888), + PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, null, a8b8g8r8, neon_composite_over_8888_8888), + PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, null, x8b8g8r8, neon_composite_over_8888_8888), + PIXMAN_STD_FAST_PATH (OVER, x8r8g8b8, null, a8r8g8b8, neon_composite_src_x888_8888), + PIXMAN_STD_FAST_PATH (OVER, x8b8g8r8, null, a8b8g8r8, neon_composite_src_x888_8888), + PIXMAN_STD_FAST_PATH (ADD, solid, a8, a8, neon_composite_add_n_8_8), + PIXMAN_STD_FAST_PATH (ADD, solid, a8, a8r8g8b8, neon_composite_add_n_8_8888), + PIXMAN_STD_FAST_PATH (ADD, solid, a8, a8b8g8r8, neon_composite_add_n_8_8888), + PIXMAN_STD_FAST_PATH (ADD, a8, a8, a8, neon_composite_add_8_8_8), + PIXMAN_STD_FAST_PATH (ADD, r5g6b5, a8, r5g6b5, neon_composite_add_0565_8_0565), + PIXMAN_STD_FAST_PATH (ADD, b5g6r5, a8, b5g6r5, neon_composite_add_0565_8_0565), + PIXMAN_STD_FAST_PATH (ADD, a8r8g8b8, a8, a8r8g8b8, neon_composite_add_8888_8_8888), + PIXMAN_STD_FAST_PATH (ADD, a8b8g8r8, a8, a8b8g8r8, neon_composite_add_8888_8_8888), + PIXMAN_STD_FAST_PATH (ADD, a8r8g8b8, a8r8g8b8, a8r8g8b8, neon_composite_add_8888_8888_8888), + PIXMAN_STD_FAST_PATH (ADD, a8r8g8b8, solid, a8r8g8b8, neon_composite_add_8888_n_8888), + PIXMAN_STD_FAST_PATH (ADD, a8b8g8r8, solid, a8b8g8r8, neon_composite_add_8888_n_8888), + PIXMAN_STD_FAST_PATH (ADD, a8, null, a8, neon_composite_add_8_8), + PIXMAN_STD_FAST_PATH (ADD, a8r8g8b8, null, a8r8g8b8, neon_composite_add_8888_8888), + PIXMAN_STD_FAST_PATH (ADD, a8b8g8r8, null, a8b8g8r8, neon_composite_add_8888_8888), + PIXMAN_STD_FAST_PATH (IN, solid, null, a8, neon_composite_in_n_8), + PIXMAN_STD_FAST_PATH (OVER_REVERSE, solid, null, a8r8g8b8, neon_composite_over_reverse_n_8888), + PIXMAN_STD_FAST_PATH (OVER_REVERSE, solid, null, a8b8g8r8, neon_composite_over_reverse_n_8888), + PIXMAN_STD_FAST_PATH (OUT_REVERSE, a8, null, r5g6b5, neon_composite_out_reverse_8_0565), + PIXMAN_STD_FAST_PATH (OUT_REVERSE, a8, null, b5g6r5, neon_composite_out_reverse_8_0565), + + PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (OVER, a8r8g8b8, a8r8g8b8, neon_8888_8888), + PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (OVER, a8b8g8r8, a8b8g8r8, neon_8888_8888), + PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (OVER, a8r8g8b8, x8r8g8b8, neon_8888_8888), + PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (OVER, a8b8g8r8, x8b8g8r8, neon_8888_8888), + + PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (OVER, a8r8g8b8, r5g6b5, neon_8888_0565), + PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (OVER, a8b8g8r8, b5g6r5, neon_8888_0565), + + PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (SRC, a8r8g8b8, r5g6b5, neon_8888_0565), + PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (SRC, x8r8g8b8, r5g6b5, neon_8888_0565), + PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (SRC, a8b8g8r8, b5g6r5, neon_8888_0565), + PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (SRC, x8b8g8r8, b5g6r5, neon_8888_0565), + + PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (SRC, b5g6r5, x8b8g8r8, neon_0565_8888), + PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (SRC, r5g6b5, x8r8g8b8, neon_0565_8888), + /* Note: NONE repeat is not supported yet */ + SIMPLE_NEAREST_FAST_PATH_COVER (SRC, r5g6b5, a8r8g8b8, neon_0565_8888), + SIMPLE_NEAREST_FAST_PATH_COVER (SRC, b5g6r5, a8b8g8r8, neon_0565_8888), + SIMPLE_NEAREST_FAST_PATH_PAD (SRC, r5g6b5, a8r8g8b8, neon_0565_8888), + SIMPLE_NEAREST_FAST_PATH_PAD (SRC, b5g6r5, a8b8g8r8, neon_0565_8888), + + { PIXMAN_OP_NONE }, +}; + +static pixman_bool_t +arm_neon_blt (pixman_implementation_t *imp, + uint32_t * src_bits, + uint32_t * dst_bits, + int src_stride, + int dst_stride, + int src_bpp, + int dst_bpp, + int src_x, + int src_y, + int dst_x, + int dst_y, + int width, + int height) +{ + if (!pixman_blt_neon ( + src_bits, dst_bits, src_stride, dst_stride, src_bpp, dst_bpp, + src_x, src_y, dst_x, dst_y, width, height)) + + { + return _pixman_implementation_blt ( + imp->delegate, + src_bits, dst_bits, src_stride, dst_stride, src_bpp, dst_bpp, + src_x, src_y, dst_x, dst_y, width, height); + } + + return TRUE; +} + +static pixman_bool_t +arm_neon_fill (pixman_implementation_t *imp, + uint32_t * bits, + int stride, + int bpp, + int x, + int y, + int width, + int height, + uint32_t xor) +{ + if (pixman_fill_neon (bits, stride, bpp, x, y, width, height, xor)) + return TRUE; + + return _pixman_implementation_fill ( + imp->delegate, bits, stride, bpp, x, y, width, height, xor); +} + +#define BIND_COMBINE_U(name) \ +void \ +pixman_composite_scanline_##name##_mask_asm_neon (int32_t w, \ + const uint32_t *dst, \ + const uint32_t *src, \ + const uint32_t *mask); \ + \ +void \ +pixman_composite_scanline_##name##_asm_neon (int32_t w, \ + const uint32_t *dst, \ + const uint32_t *src); \ + \ +static void \ +neon_combine_##name##_u (pixman_implementation_t *imp, \ + pixman_op_t op, \ + uint32_t * dest, \ + const uint32_t * src, \ + const uint32_t * mask, \ + int width) \ +{ \ + if (mask) \ + pixman_composite_scanline_##name##_mask_asm_neon (width, dest, \ + src, mask); \ + else \ + pixman_composite_scanline_##name##_asm_neon (width, dest, src); \ +} + +BIND_COMBINE_U (over) +BIND_COMBINE_U (add) +BIND_COMBINE_U (out_reverse) + +pixman_implementation_t * +_pixman_implementation_create_arm_neon (pixman_implementation_t *fallback) +{ + pixman_implementation_t *imp = + _pixman_implementation_create (fallback, arm_neon_fast_paths); + + imp->combine_32[PIXMAN_OP_OVER] = neon_combine_over_u; + imp->combine_32[PIXMAN_OP_ADD] = neon_combine_add_u; + imp->combine_32[PIXMAN_OP_OUT_REVERSE] = neon_combine_out_reverse_u; + + imp->blt = arm_neon_blt; + imp->fill = arm_neon_fill; + + return imp; +} diff --git a/pixman/pixman/pixman-arm-simd.c b/pixman/pixman/pixman-arm-simd.c index e03dfe020..6bbc1094d 100644 --- a/pixman/pixman/pixman-arm-simd.c +++ b/pixman/pixman/pixman-arm-simd.c @@ -1,424 +1,423 @@ -/* - * Copyright © 2008 Mozilla Corporation - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the name of Mozilla Corporation not be used in - * advertising or publicity pertaining to distribution of the software without - * specific, written prior permission. Mozilla Corporation makes no - * representations about the suitability of this software for any purpose. It - * is provided "as is" without express or implied warranty. - * - * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS - * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY - * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN - * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING - * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS - * SOFTWARE. - * - * Author: Jeff Muizelaar (jeff@infidigm.net) - * - */ -#ifdef HAVE_CONFIG_H -#include -#endif - -#include "pixman-private.h" -#include "pixman-arm-common.h" -#include "pixman-fast-path.h" - -#if 0 /* This code was moved to 'pixman-arm-simd-asm.S' */ - -void -pixman_composite_add_8_8_asm_armv6 (int32_t width, - int32_t height, - uint8_t *dst_line, - int32_t dst_stride, - uint8_t *src_line, - int32_t src_stride) -{ - uint8_t *dst, *src; - int32_t w; - uint8_t s, d; - - while (height--) - { - dst = dst_line; - dst_line += dst_stride; - src = src_line; - src_line += src_stride; - w = width; - - /* ensure both src and dst are properly aligned before doing 32 bit reads - * we'll stay in this loop if src and dst have differing alignments - */ - while (w && (((unsigned long)dst & 3) || ((unsigned long)src & 3))) - { - s = *src; - d = *dst; - asm ("uqadd8 %0, %1, %2" : "+r" (d) : "r" (s)); - *dst = d; - - dst++; - src++; - w--; - } - - while (w >= 4) - { - asm ("uqadd8 %0, %1, %2" - : "=r" (*(uint32_t*)dst) - : "r" (*(uint32_t*)src), "r" (*(uint32_t*)dst)); - dst += 4; - src += 4; - w -= 4; - } - - while (w) - { - s = *src; - d = *dst; - asm ("uqadd8 %0, %1, %2" : "+r" (d) : "r" (s)); - *dst = d; - - dst++; - src++; - w--; - } - } - -} - -void -pixman_composite_over_8888_8888_asm_armv6 (int32_t width, - int32_t height, - uint32_t *dst_line, - int32_t dst_stride, - uint32_t *src_line, - int32_t src_stride) -{ - uint32_t *dst; - uint32_t *src; - int32_t w; - uint32_t component_half = 0x800080; - uint32_t upper_component_mask = 0xff00ff00; - uint32_t alpha_mask = 0xff; - - while (height--) - { - dst = dst_line; - dst_line += dst_stride; - src = src_line; - src_line += src_stride; - w = width; - -/* #define inner_branch */ - asm volatile ( - "cmp %[w], #0\n\t" - "beq 2f\n\t" - "1:\n\t" - /* load src */ - "ldr r5, [%[src]], #4\n\t" -#ifdef inner_branch - /* We can avoid doing the multiplication in two cases: 0x0 or 0xff. - * The 0x0 case also allows us to avoid doing an unecessary data - * write which is more valuable so we only check for that - */ - "cmp r5, #0\n\t" - "beq 3f\n\t" - - /* = 255 - alpha */ - "sub r8, %[alpha_mask], r5, lsr #24\n\t" - - "ldr r4, [%[dest]] \n\t" - -#else - "ldr r4, [%[dest]] \n\t" - - /* = 255 - alpha */ - "sub r8, %[alpha_mask], r5, lsr #24\n\t" -#endif - "uxtb16 r6, r4\n\t" - "uxtb16 r7, r4, ror #8\n\t" - - /* multiply by 257 and divide by 65536 */ - "mla r6, r6, r8, %[component_half]\n\t" - "mla r7, r7, r8, %[component_half]\n\t" - - "uxtab16 r6, r6, r6, ror #8\n\t" - "uxtab16 r7, r7, r7, ror #8\n\t" - - /* recombine the 0xff00ff00 bytes of r6 and r7 */ - "and r7, r7, %[upper_component_mask]\n\t" - "uxtab16 r6, r7, r6, ror #8\n\t" - - "uqadd8 r5, r6, r5\n\t" - -#ifdef inner_branch - "3:\n\t" - -#endif - "str r5, [%[dest]], #4\n\t" - /* increment counter and jmp to top */ - "subs %[w], %[w], #1\n\t" - "bne 1b\n\t" - "2:\n\t" - : [w] "+r" (w), [dest] "+r" (dst), [src] "+r" (src) - : [component_half] "r" (component_half), [upper_component_mask] "r" (upper_component_mask), - [alpha_mask] "r" (alpha_mask) - : "r4", "r5", "r6", "r7", "r8", "cc", "memory" - ); - } -} - -void -pixman_composite_over_8888_n_8888_asm_armv6 (int32_t width, - int32_t height, - uint32_t *dst_line, - int32_t dst_stride, - uint32_t *src_line, - int32_t src_stride, - uint32_t mask) -{ - uint32_t *dst; - uint32_t *src; - int32_t w; - uint32_t component_half = 0x800080; - uint32_t alpha_mask = 0xff; - - mask = (mask) >> 24; - - while (height--) - { - dst = dst_line; - dst_line += dst_stride; - src = src_line; - src_line += src_stride; - w = width; - -/* #define inner_branch */ - asm volatile ( - "cmp %[w], #0\n\t" - "beq 2f\n\t" - "1:\n\t" - /* load src */ - "ldr r5, [%[src]], #4\n\t" -#ifdef inner_branch - /* We can avoid doing the multiplication in two cases: 0x0 or 0xff. - * The 0x0 case also allows us to avoid doing an unecessary data - * write which is more valuable so we only check for that - */ - "cmp r5, #0\n\t" - "beq 3f\n\t" - -#endif - "ldr r4, [%[dest]] \n\t" - - "uxtb16 r6, r5\n\t" - "uxtb16 r7, r5, ror #8\n\t" - - /* multiply by alpha (r8) then by 257 and divide by 65536 */ - "mla r6, r6, %[mask_alpha], %[component_half]\n\t" - "mla r7, r7, %[mask_alpha], %[component_half]\n\t" - - "uxtab16 r6, r6, r6, ror #8\n\t" - "uxtab16 r7, r7, r7, ror #8\n\t" - - "uxtb16 r6, r6, ror #8\n\t" - "uxtb16 r7, r7, ror #8\n\t" - - /* recombine */ - "orr r5, r6, r7, lsl #8\n\t" - - "uxtb16 r6, r4\n\t" - "uxtb16 r7, r4, ror #8\n\t" - - /* 255 - alpha */ - "sub r8, %[alpha_mask], r5, lsr #24\n\t" - - /* multiply by alpha (r8) then by 257 and divide by 65536 */ - "mla r6, r6, r8, %[component_half]\n\t" - "mla r7, r7, r8, %[component_half]\n\t" - - "uxtab16 r6, r6, r6, ror #8\n\t" - "uxtab16 r7, r7, r7, ror #8\n\t" - - "uxtb16 r6, r6, ror #8\n\t" - "uxtb16 r7, r7, ror #8\n\t" - - /* recombine */ - "orr r6, r6, r7, lsl #8\n\t" - - "uqadd8 r5, r6, r5\n\t" - -#ifdef inner_branch - "3:\n\t" - -#endif - "str r5, [%[dest]], #4\n\t" - /* increment counter and jmp to top */ - "subs %[w], %[w], #1\n\t" - "bne 1b\n\t" - "2:\n\t" - : [w] "+r" (w), [dest] "+r" (dst), [src] "+r" (src) - : [component_half] "r" (component_half), [mask_alpha] "r" (mask), - [alpha_mask] "r" (alpha_mask) - : "r4", "r5", "r6", "r7", "r8", "r9", "cc", "memory" - ); - } -} - -void -pixman_composite_over_n_8_8888_asm_armv6 (int32_t width, - int32_t height, - uint32_t *dst_line, - int32_t dst_stride, - uint32_t src, - int32_t unused, - uint8_t *mask_line, - int32_t mask_stride) -{ - uint32_t srca; - uint32_t *dst; - uint8_t *mask; - int32_t w; - - srca = src >> 24; - - uint32_t component_mask = 0xff00ff; - uint32_t component_half = 0x800080; - - uint32_t src_hi = (src >> 8) & component_mask; - uint32_t src_lo = src & component_mask; - - while (height--) - { - dst = dst_line; - dst_line += dst_stride; - mask = mask_line; - mask_line += mask_stride; - w = width; - -/* #define inner_branch */ - asm volatile ( - "cmp %[w], #0\n\t" - "beq 2f\n\t" - "1:\n\t" - /* load mask */ - "ldrb r5, [%[mask]], #1\n\t" -#ifdef inner_branch - /* We can avoid doing the multiplication in two cases: 0x0 or 0xff. - * The 0x0 case also allows us to avoid doing an unecessary data - * write which is more valuable so we only check for that - */ - "cmp r5, #0\n\t" - "beq 3f\n\t" - -#endif - "ldr r4, [%[dest]] \n\t" - - /* multiply by alpha (r8) then by 257 and divide by 65536 */ - "mla r6, %[src_lo], r5, %[component_half]\n\t" - "mla r7, %[src_hi], r5, %[component_half]\n\t" - - "uxtab16 r6, r6, r6, ror #8\n\t" - "uxtab16 r7, r7, r7, ror #8\n\t" - - "uxtb16 r6, r6, ror #8\n\t" - "uxtb16 r7, r7, ror #8\n\t" - - /* recombine */ - "orr r5, r6, r7, lsl #8\n\t" - - "uxtb16 r6, r4\n\t" - "uxtb16 r7, r4, ror #8\n\t" - - /* we could simplify this to use 'sub' if we were - * willing to give up a register for alpha_mask - */ - "mvn r8, r5\n\t" - "mov r8, r8, lsr #24\n\t" - - /* multiply by alpha (r8) then by 257 and divide by 65536 */ - "mla r6, r6, r8, %[component_half]\n\t" - "mla r7, r7, r8, %[component_half]\n\t" - - "uxtab16 r6, r6, r6, ror #8\n\t" - "uxtab16 r7, r7, r7, ror #8\n\t" - - "uxtb16 r6, r6, ror #8\n\t" - "uxtb16 r7, r7, ror #8\n\t" - - /* recombine */ - "orr r6, r6, r7, lsl #8\n\t" - - "uqadd8 r5, r6, r5\n\t" - -#ifdef inner_branch - "3:\n\t" - -#endif - "str r5, [%[dest]], #4\n\t" - /* increment counter and jmp to top */ - "subs %[w], %[w], #1\n\t" - "bne 1b\n\t" - "2:\n\t" - : [w] "+r" (w), [dest] "+r" (dst), [src] "+r" (src), [mask] "+r" (mask) - : [component_half] "r" (component_half), - [src_hi] "r" (src_hi), [src_lo] "r" (src_lo) - : "r4", "r5", "r6", "r7", "r8", "cc", "memory"); - } -} - -#endif - -PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (armv6, add_8_8, - uint8_t, 1, uint8_t, 1) -PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (armv6, over_8888_8888, - uint32_t, 1, uint32_t, 1) - -PIXMAN_ARM_BIND_FAST_PATH_SRC_N_DST (SKIP_ZERO_MASK, armv6, over_8888_n_8888, - uint32_t, 1, uint32_t, 1) - -PIXMAN_ARM_BIND_FAST_PATH_N_MASK_DST (SKIP_ZERO_SRC, armv6, over_n_8_8888, - uint8_t, 1, uint32_t, 1) - -PIXMAN_ARM_BIND_SCALED_NEAREST_SRC_DST (armv6, 0565_0565, SRC, - uint16_t, uint16_t) - -static const pixman_fast_path_t arm_simd_fast_paths[] = -{ - PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, null, a8r8g8b8, armv6_composite_over_8888_8888), - PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, null, x8r8g8b8, armv6_composite_over_8888_8888), - PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, null, a8b8g8r8, armv6_composite_over_8888_8888), - PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, null, x8b8g8r8, armv6_composite_over_8888_8888), - PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, solid, a8r8g8b8, armv6_composite_over_8888_n_8888), - PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, solid, x8r8g8b8, armv6_composite_over_8888_n_8888), - PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, solid, a8b8g8r8, armv6_composite_over_8888_n_8888), - PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, solid, x8b8g8r8, armv6_composite_over_8888_n_8888), - - PIXMAN_STD_FAST_PATH (ADD, a8, null, a8, armv6_composite_add_8_8), - - PIXMAN_STD_FAST_PATH (OVER, solid, a8, a8r8g8b8, armv6_composite_over_n_8_8888), - PIXMAN_STD_FAST_PATH (OVER, solid, a8, x8r8g8b8, armv6_composite_over_n_8_8888), - PIXMAN_STD_FAST_PATH (OVER, solid, a8, a8b8g8r8, armv6_composite_over_n_8_8888), - PIXMAN_STD_FAST_PATH (OVER, solid, a8, x8b8g8r8, armv6_composite_over_n_8_8888), - - PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (SRC, r5g6b5, r5g6b5, armv6_0565_0565), - PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (SRC, b5g6r5, b5g6r5, armv6_0565_0565), - - { PIXMAN_OP_NONE }, -}; - -pixman_implementation_t * -_pixman_implementation_create_arm_simd (void) -{ - pixman_implementation_t *general = _pixman_implementation_create_fast_path (); - pixman_implementation_t *imp = _pixman_implementation_create (general, arm_simd_fast_paths); - - return imp; -} +/* + * Copyright © 2008 Mozilla Corporation + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of Mozilla Corporation not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Mozilla Corporation makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY + * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN + * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING + * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS + * SOFTWARE. + * + * Author: Jeff Muizelaar (jeff@infidigm.net) + * + */ +#ifdef HAVE_CONFIG_H +#include +#endif + +#include "pixman-private.h" +#include "pixman-arm-common.h" +#include "pixman-fast-path.h" + +#if 0 /* This code was moved to 'pixman-arm-simd-asm.S' */ + +void +pixman_composite_add_8_8_asm_armv6 (int32_t width, + int32_t height, + uint8_t *dst_line, + int32_t dst_stride, + uint8_t *src_line, + int32_t src_stride) +{ + uint8_t *dst, *src; + int32_t w; + uint8_t s, d; + + while (height--) + { + dst = dst_line; + dst_line += dst_stride; + src = src_line; + src_line += src_stride; + w = width; + + /* ensure both src and dst are properly aligned before doing 32 bit reads + * we'll stay in this loop if src and dst have differing alignments + */ + while (w && (((unsigned long)dst & 3) || ((unsigned long)src & 3))) + { + s = *src; + d = *dst; + asm ("uqadd8 %0, %1, %2" : "+r" (d) : "r" (s)); + *dst = d; + + dst++; + src++; + w--; + } + + while (w >= 4) + { + asm ("uqadd8 %0, %1, %2" + : "=r" (*(uint32_t*)dst) + : "r" (*(uint32_t*)src), "r" (*(uint32_t*)dst)); + dst += 4; + src += 4; + w -= 4; + } + + while (w) + { + s = *src; + d = *dst; + asm ("uqadd8 %0, %1, %2" : "+r" (d) : "r" (s)); + *dst = d; + + dst++; + src++; + w--; + } + } + +} + +void +pixman_composite_over_8888_8888_asm_armv6 (int32_t width, + int32_t height, + uint32_t *dst_line, + int32_t dst_stride, + uint32_t *src_line, + int32_t src_stride) +{ + uint32_t *dst; + uint32_t *src; + int32_t w; + uint32_t component_half = 0x800080; + uint32_t upper_component_mask = 0xff00ff00; + uint32_t alpha_mask = 0xff; + + while (height--) + { + dst = dst_line; + dst_line += dst_stride; + src = src_line; + src_line += src_stride; + w = width; + +/* #define inner_branch */ + asm volatile ( + "cmp %[w], #0\n\t" + "beq 2f\n\t" + "1:\n\t" + /* load src */ + "ldr r5, [%[src]], #4\n\t" +#ifdef inner_branch + /* We can avoid doing the multiplication in two cases: 0x0 or 0xff. + * The 0x0 case also allows us to avoid doing an unecessary data + * write which is more valuable so we only check for that + */ + "cmp r5, #0\n\t" + "beq 3f\n\t" + + /* = 255 - alpha */ + "sub r8, %[alpha_mask], r5, lsr #24\n\t" + + "ldr r4, [%[dest]] \n\t" + +#else + "ldr r4, [%[dest]] \n\t" + + /* = 255 - alpha */ + "sub r8, %[alpha_mask], r5, lsr #24\n\t" +#endif + "uxtb16 r6, r4\n\t" + "uxtb16 r7, r4, ror #8\n\t" + + /* multiply by 257 and divide by 65536 */ + "mla r6, r6, r8, %[component_half]\n\t" + "mla r7, r7, r8, %[component_half]\n\t" + + "uxtab16 r6, r6, r6, ror #8\n\t" + "uxtab16 r7, r7, r7, ror #8\n\t" + + /* recombine the 0xff00ff00 bytes of r6 and r7 */ + "and r7, r7, %[upper_component_mask]\n\t" + "uxtab16 r6, r7, r6, ror #8\n\t" + + "uqadd8 r5, r6, r5\n\t" + +#ifdef inner_branch + "3:\n\t" + +#endif + "str r5, [%[dest]], #4\n\t" + /* increment counter and jmp to top */ + "subs %[w], %[w], #1\n\t" + "bne 1b\n\t" + "2:\n\t" + : [w] "+r" (w), [dest] "+r" (dst), [src] "+r" (src) + : [component_half] "r" (component_half), [upper_component_mask] "r" (upper_component_mask), + [alpha_mask] "r" (alpha_mask) + : "r4", "r5", "r6", "r7", "r8", "cc", "memory" + ); + } +} + +void +pixman_composite_over_8888_n_8888_asm_armv6 (int32_t width, + int32_t height, + uint32_t *dst_line, + int32_t dst_stride, + uint32_t *src_line, + int32_t src_stride, + uint32_t mask) +{ + uint32_t *dst; + uint32_t *src; + int32_t w; + uint32_t component_half = 0x800080; + uint32_t alpha_mask = 0xff; + + mask = (mask) >> 24; + + while (height--) + { + dst = dst_line; + dst_line += dst_stride; + src = src_line; + src_line += src_stride; + w = width; + +/* #define inner_branch */ + asm volatile ( + "cmp %[w], #0\n\t" + "beq 2f\n\t" + "1:\n\t" + /* load src */ + "ldr r5, [%[src]], #4\n\t" +#ifdef inner_branch + /* We can avoid doing the multiplication in two cases: 0x0 or 0xff. + * The 0x0 case also allows us to avoid doing an unecessary data + * write which is more valuable so we only check for that + */ + "cmp r5, #0\n\t" + "beq 3f\n\t" + +#endif + "ldr r4, [%[dest]] \n\t" + + "uxtb16 r6, r5\n\t" + "uxtb16 r7, r5, ror #8\n\t" + + /* multiply by alpha (r8) then by 257 and divide by 65536 */ + "mla r6, r6, %[mask_alpha], %[component_half]\n\t" + "mla r7, r7, %[mask_alpha], %[component_half]\n\t" + + "uxtab16 r6, r6, r6, ror #8\n\t" + "uxtab16 r7, r7, r7, ror #8\n\t" + + "uxtb16 r6, r6, ror #8\n\t" + "uxtb16 r7, r7, ror #8\n\t" + + /* recombine */ + "orr r5, r6, r7, lsl #8\n\t" + + "uxtb16 r6, r4\n\t" + "uxtb16 r7, r4, ror #8\n\t" + + /* 255 - alpha */ + "sub r8, %[alpha_mask], r5, lsr #24\n\t" + + /* multiply by alpha (r8) then by 257 and divide by 65536 */ + "mla r6, r6, r8, %[component_half]\n\t" + "mla r7, r7, r8, %[component_half]\n\t" + + "uxtab16 r6, r6, r6, ror #8\n\t" + "uxtab16 r7, r7, r7, ror #8\n\t" + + "uxtb16 r6, r6, ror #8\n\t" + "uxtb16 r7, r7, ror #8\n\t" + + /* recombine */ + "orr r6, r6, r7, lsl #8\n\t" + + "uqadd8 r5, r6, r5\n\t" + +#ifdef inner_branch + "3:\n\t" + +#endif + "str r5, [%[dest]], #4\n\t" + /* increment counter and jmp to top */ + "subs %[w], %[w], #1\n\t" + "bne 1b\n\t" + "2:\n\t" + : [w] "+r" (w), [dest] "+r" (dst), [src] "+r" (src) + : [component_half] "r" (component_half), [mask_alpha] "r" (mask), + [alpha_mask] "r" (alpha_mask) + : "r4", "r5", "r6", "r7", "r8", "r9", "cc", "memory" + ); + } +} + +void +pixman_composite_over_n_8_8888_asm_armv6 (int32_t width, + int32_t height, + uint32_t *dst_line, + int32_t dst_stride, + uint32_t src, + int32_t unused, + uint8_t *mask_line, + int32_t mask_stride) +{ + uint32_t srca; + uint32_t *dst; + uint8_t *mask; + int32_t w; + + srca = src >> 24; + + uint32_t component_mask = 0xff00ff; + uint32_t component_half = 0x800080; + + uint32_t src_hi = (src >> 8) & component_mask; + uint32_t src_lo = src & component_mask; + + while (height--) + { + dst = dst_line; + dst_line += dst_stride; + mask = mask_line; + mask_line += mask_stride; + w = width; + +/* #define inner_branch */ + asm volatile ( + "cmp %[w], #0\n\t" + "beq 2f\n\t" + "1:\n\t" + /* load mask */ + "ldrb r5, [%[mask]], #1\n\t" +#ifdef inner_branch + /* We can avoid doing the multiplication in two cases: 0x0 or 0xff. + * The 0x0 case also allows us to avoid doing an unecessary data + * write which is more valuable so we only check for that + */ + "cmp r5, #0\n\t" + "beq 3f\n\t" + +#endif + "ldr r4, [%[dest]] \n\t" + + /* multiply by alpha (r8) then by 257 and divide by 65536 */ + "mla r6, %[src_lo], r5, %[component_half]\n\t" + "mla r7, %[src_hi], r5, %[component_half]\n\t" + + "uxtab16 r6, r6, r6, ror #8\n\t" + "uxtab16 r7, r7, r7, ror #8\n\t" + + "uxtb16 r6, r6, ror #8\n\t" + "uxtb16 r7, r7, ror #8\n\t" + + /* recombine */ + "orr r5, r6, r7, lsl #8\n\t" + + "uxtb16 r6, r4\n\t" + "uxtb16 r7, r4, ror #8\n\t" + + /* we could simplify this to use 'sub' if we were + * willing to give up a register for alpha_mask + */ + "mvn r8, r5\n\t" + "mov r8, r8, lsr #24\n\t" + + /* multiply by alpha (r8) then by 257 and divide by 65536 */ + "mla r6, r6, r8, %[component_half]\n\t" + "mla r7, r7, r8, %[component_half]\n\t" + + "uxtab16 r6, r6, r6, ror #8\n\t" + "uxtab16 r7, r7, r7, ror #8\n\t" + + "uxtb16 r6, r6, ror #8\n\t" + "uxtb16 r7, r7, ror #8\n\t" + + /* recombine */ + "orr r6, r6, r7, lsl #8\n\t" + + "uqadd8 r5, r6, r5\n\t" + +#ifdef inner_branch + "3:\n\t" + +#endif + "str r5, [%[dest]], #4\n\t" + /* increment counter and jmp to top */ + "subs %[w], %[w], #1\n\t" + "bne 1b\n\t" + "2:\n\t" + : [w] "+r" (w), [dest] "+r" (dst), [src] "+r" (src), [mask] "+r" (mask) + : [component_half] "r" (component_half), + [src_hi] "r" (src_hi), [src_lo] "r" (src_lo) + : "r4", "r5", "r6", "r7", "r8", "cc", "memory"); + } +} + +#endif + +PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (armv6, add_8_8, + uint8_t, 1, uint8_t, 1) +PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (armv6, over_8888_8888, + uint32_t, 1, uint32_t, 1) + +PIXMAN_ARM_BIND_FAST_PATH_SRC_N_DST (SKIP_ZERO_MASK, armv6, over_8888_n_8888, + uint32_t, 1, uint32_t, 1) + +PIXMAN_ARM_BIND_FAST_PATH_N_MASK_DST (SKIP_ZERO_SRC, armv6, over_n_8_8888, + uint8_t, 1, uint32_t, 1) + +PIXMAN_ARM_BIND_SCALED_NEAREST_SRC_DST (armv6, 0565_0565, SRC, + uint16_t, uint16_t) + +static const pixman_fast_path_t arm_simd_fast_paths[] = +{ + PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, null, a8r8g8b8, armv6_composite_over_8888_8888), + PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, null, x8r8g8b8, armv6_composite_over_8888_8888), + PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, null, a8b8g8r8, armv6_composite_over_8888_8888), + PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, null, x8b8g8r8, armv6_composite_over_8888_8888), + PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, solid, a8r8g8b8, armv6_composite_over_8888_n_8888), + PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, solid, x8r8g8b8, armv6_composite_over_8888_n_8888), + PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, solid, a8b8g8r8, armv6_composite_over_8888_n_8888), + PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, solid, x8b8g8r8, armv6_composite_over_8888_n_8888), + + PIXMAN_STD_FAST_PATH (ADD, a8, null, a8, armv6_composite_add_8_8), + + PIXMAN_STD_FAST_PATH (OVER, solid, a8, a8r8g8b8, armv6_composite_over_n_8_8888), + PIXMAN_STD_FAST_PATH (OVER, solid, a8, x8r8g8b8, armv6_composite_over_n_8_8888), + PIXMAN_STD_FAST_PATH (OVER, solid, a8, a8b8g8r8, armv6_composite_over_n_8_8888), + PIXMAN_STD_FAST_PATH (OVER, solid, a8, x8b8g8r8, armv6_composite_over_n_8_8888), + + PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (SRC, r5g6b5, r5g6b5, armv6_0565_0565), + PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (SRC, b5g6r5, b5g6r5, armv6_0565_0565), + + { PIXMAN_OP_NONE }, +}; + +pixman_implementation_t * +_pixman_implementation_create_arm_simd (pixman_implementation_t *fallback) +{ + pixman_implementation_t *imp = _pixman_implementation_create (fallback, arm_simd_fast_paths); + + return imp; +} diff --git a/pixman/pixman/pixman-cpu.c b/pixman/pixman/pixman-cpu.c index 70253d1ea..0e14ecb6f 100644 --- a/pixman/pixman/pixman-cpu.c +++ b/pixman/pixman/pixman-cpu.c @@ -576,28 +576,36 @@ pixman_have_sse2 (void) pixman_implementation_t * _pixman_choose_implementation (void) { -#ifdef USE_SSE2 - if (pixman_have_sse2 ()) - return _pixman_implementation_create_sse2 (); -#endif + pixman_implementation_t *imp; + + imp = _pixman_implementation_create_general(); + imp = _pixman_implementation_create_fast_path (imp); + #ifdef USE_MMX if (pixman_have_mmx ()) - return _pixman_implementation_create_mmx (); + imp = _pixman_implementation_create_mmx (imp); #endif -#ifdef USE_ARM_NEON - if (pixman_have_arm_neon ()) - return _pixman_implementation_create_arm_neon (); +#ifdef USE_SSE2 + if (pixman_have_sse2 ()) + imp = _pixman_implementation_create_sse2 (imp); #endif + #ifdef USE_ARM_SIMD if (pixman_have_arm_simd ()) - return _pixman_implementation_create_arm_simd (); + imp = _pixman_implementation_create_arm_simd (imp); +#endif + +#ifdef USE_ARM_NEON + if (pixman_have_arm_neon ()) + imp = _pixman_implementation_create_arm_neon (imp); #endif + #ifdef USE_VMX if (pixman_have_vmx ()) - return _pixman_implementation_create_vmx (); + imp = _pixman_implementation_create_vmx (imp); #endif - return _pixman_implementation_create_fast_path (); + return imp; } diff --git a/pixman/pixman/pixman-fast-path.c b/pixman/pixman/pixman-fast-path.c index 736e302c6..eb0971586 100644 --- a/pixman/pixman/pixman-fast-path.c +++ b/pixman/pixman/pixman-fast-path.c @@ -1,1936 +1,1935 @@ -/* -*- Mode: c; c-basic-offset: 4; tab-width: 8; indent-tabs-mode: t; -*- */ -/* - * Copyright © 2000 SuSE, Inc. - * Copyright © 2007 Red Hat, Inc. - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the name of SuSE not be used in advertising or - * publicity pertaining to distribution of the software without specific, - * written prior permission. SuSE makes no representations about the - * suitability of this software for any purpose. It is provided "as is" - * without express or implied warranty. - * - * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE - * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - * - * Author: Keith Packard, SuSE, Inc. - */ - -#ifdef HAVE_CONFIG_H -#include -#endif -#include -#include -#include "pixman-private.h" -#include "pixman-combine32.h" -#include "pixman-fast-path.h" - -static force_inline uint32_t -fetch_24 (uint8_t *a) -{ - if (((unsigned long)a) & 1) - { -#ifdef WORDS_BIGENDIAN - return (*a << 16) | (*(uint16_t *)(a + 1)); -#else - return *a | (*(uint16_t *)(a + 1) << 8); -#endif - } - else - { -#ifdef WORDS_BIGENDIAN - return (*(uint16_t *)a << 8) | *(a + 2); -#else - return *(uint16_t *)a | (*(a + 2) << 16); -#endif - } -} - -static force_inline void -store_24 (uint8_t *a, - uint32_t v) -{ - if (((unsigned long)a) & 1) - { -#ifdef WORDS_BIGENDIAN - *a = (uint8_t) (v >> 16); - *(uint16_t *)(a + 1) = (uint16_t) (v); -#else - *a = (uint8_t) (v); - *(uint16_t *)(a + 1) = (uint16_t) (v >> 8); -#endif - } - else - { -#ifdef WORDS_BIGENDIAN - *(uint16_t *)a = (uint16_t)(v >> 8); - *(a + 2) = (uint8_t)v; -#else - *(uint16_t *)a = (uint16_t)v; - *(a + 2) = (uint8_t)(v >> 16); -#endif - } -} - -static force_inline uint32_t -over (uint32_t src, - uint32_t dest) -{ - uint32_t a = ~src >> 24; - - UN8x4_MUL_UN8_ADD_UN8x4 (dest, a, src); - - return dest; -} - -static uint32_t -in (uint32_t x, - uint8_t y) -{ - uint16_t a = y; - - UN8x4_MUL_UN8 (x, a); - - return x; -} - -/* - * Naming convention: - * - * op_src_mask_dest - */ -static void -fast_composite_over_x888_8_8888 (pixman_implementation_t *imp, - pixman_op_t op, - pixman_image_t * src_image, - pixman_image_t * mask_image, - pixman_image_t * dst_image, - int32_t src_x, - int32_t src_y, - int32_t mask_x, - int32_t mask_y, - int32_t dest_x, - int32_t dest_y, - int32_t width, - int32_t height) -{ - uint32_t *src, *src_line; - uint32_t *dst, *dst_line; - uint8_t *mask, *mask_line; - int src_stride, mask_stride, dst_stride; - uint8_t m; - uint32_t s, d; - int32_t w; - - PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1); - PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint8_t, mask_stride, mask_line, 1); - PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1); - - while (height--) - { - src = src_line; - src_line += src_stride; - dst = dst_line; - dst_line += dst_stride; - mask = mask_line; - mask_line += mask_stride; - - w = width; - while (w--) - { - m = *mask++; - if (m) - { - s = *src | 0xff000000; - - if (m == 0xff) - { - *dst = s; - } - else - { - d = in (s, m); - *dst = over (d, *dst); - } - } - src++; - dst++; - } - } -} - -static void -fast_composite_in_n_8_8 (pixman_implementation_t *imp, - pixman_op_t op, - pixman_image_t * src_image, - pixman_image_t * mask_image, - pixman_image_t * dest_image, - int32_t src_x, - int32_t src_y, - int32_t mask_x, - int32_t mask_y, - int32_t dest_x, - int32_t dest_y, - int32_t width, - int32_t height) -{ - uint32_t src, srca; - uint8_t *dst_line, *dst; - uint8_t *mask_line, *mask, m; - int dst_stride, mask_stride; - int32_t w; - uint16_t t; - - src = _pixman_image_get_solid (imp, src_image, dest_image->bits.format); - - srca = src >> 24; - - PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint8_t, dst_stride, dst_line, 1); - PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint8_t, mask_stride, mask_line, 1); - - if (srca == 0xff) - { - while (height--) - { - dst = dst_line; - dst_line += dst_stride; - mask = mask_line; - mask_line += mask_stride; - w = width; - - while (w--) - { - m = *mask++; - - if (m == 0) - *dst = 0; - else if (m != 0xff) - *dst = MUL_UN8 (m, *dst, t); - - dst++; - } - } - } - else - { - while (height--) - { - dst = dst_line; - dst_line += dst_stride; - mask = mask_line; - mask_line += mask_stride; - w = width; - - while (w--) - { - m = *mask++; - m = MUL_UN8 (m, srca, t); - - if (m == 0) - *dst = 0; - else if (m != 0xff) - *dst = MUL_UN8 (m, *dst, t); - - dst++; - } - } - } -} - -static void -fast_composite_in_8_8 (pixman_implementation_t *imp, - pixman_op_t op, - pixman_image_t * src_image, - pixman_image_t * mask_image, - pixman_image_t * dest_image, - int32_t src_x, - int32_t src_y, - int32_t mask_x, - int32_t mask_y, - int32_t dest_x, - int32_t dest_y, - int32_t width, - int32_t height) -{ - uint8_t *dst_line, *dst; - uint8_t *src_line, *src; - int dst_stride, src_stride; - int32_t w; - uint8_t s; - uint16_t t; - - PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint8_t, src_stride, src_line, 1); - PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint8_t, dst_stride, dst_line, 1); - - while (height--) - { - dst = dst_line; - dst_line += dst_stride; - src = src_line; - src_line += src_stride; - w = width; - - while (w--) - { - s = *src++; - - if (s == 0) - *dst = 0; - else if (s != 0xff) - *dst = MUL_UN8 (s, *dst, t); - - dst++; - } - } -} - -static void -fast_composite_over_n_8_8888 (pixman_implementation_t *imp, - pixman_op_t op, - pixman_image_t * src_image, - pixman_image_t * mask_image, - pixman_image_t * dst_image, - int32_t src_x, - int32_t src_y, - int32_t mask_x, - int32_t mask_y, - int32_t dest_x, - int32_t dest_y, - int32_t width, - int32_t height) -{ - uint32_t src, srca; - uint32_t *dst_line, *dst, d; - uint8_t *mask_line, *mask, m; - int dst_stride, mask_stride; - int32_t w; - - src = _pixman_image_get_solid (imp, src_image, dst_image->bits.format); - - srca = src >> 24; - if (src == 0) - return; - - PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1); - PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint8_t, mask_stride, mask_line, 1); - - while (height--) - { - dst = dst_line; - dst_line += dst_stride; - mask = mask_line; - mask_line += mask_stride; - w = width; - - while (w--) - { - m = *mask++; - if (m == 0xff) - { - if (srca == 0xff) - *dst = src; - else - *dst = over (src, *dst); - } - else if (m) - { - d = in (src, m); - *dst = over (d, *dst); - } - dst++; - } - } -} - -static void -fast_composite_add_n_8888_8888_ca (pixman_implementation_t *imp, - pixman_op_t op, - pixman_image_t * src_image, - pixman_image_t * mask_image, - pixman_image_t * dst_image, - int32_t src_x, - int32_t src_y, - int32_t mask_x, - int32_t mask_y, - int32_t dest_x, - int32_t dest_y, - int32_t width, - int32_t height) -{ - uint32_t src, s; - uint32_t *dst_line, *dst, d; - uint32_t *mask_line, *mask, ma; - int dst_stride, mask_stride; - int32_t w; - - src = _pixman_image_get_solid (imp, src_image, dst_image->bits.format); - - if (src == 0) - return; - - PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1); - PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint32_t, mask_stride, mask_line, 1); - - while (height--) - { - dst = dst_line; - dst_line += dst_stride; - mask = mask_line; - mask_line += mask_stride; - w = width; - - while (w--) - { - ma = *mask++; - - if (ma) - { - d = *dst; - s = src; - - UN8x4_MUL_UN8x4_ADD_UN8x4 (s, ma, d); - - *dst = s; - } - - dst++; - } - } -} - -static void -fast_composite_over_n_8888_8888_ca (pixman_implementation_t *imp, - pixman_op_t op, - pixman_image_t * src_image, - pixman_image_t * mask_image, - pixman_image_t * dst_image, - int32_t src_x, - int32_t src_y, - int32_t mask_x, - int32_t mask_y, - int32_t dest_x, - int32_t dest_y, - int32_t width, - int32_t height) -{ - uint32_t src, srca, s; - uint32_t *dst_line, *dst, d; - uint32_t *mask_line, *mask, ma; - int dst_stride, mask_stride; - int32_t w; - - src = _pixman_image_get_solid (imp, src_image, dst_image->bits.format); - - srca = src >> 24; - if (src == 0) - return; - - PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1); - PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint32_t, mask_stride, mask_line, 1); - - while (height--) - { - dst = dst_line; - dst_line += dst_stride; - mask = mask_line; - mask_line += mask_stride; - w = width; - - while (w--) - { - ma = *mask++; - if (ma == 0xffffffff) - { - if (srca == 0xff) - *dst = src; - else - *dst = over (src, *dst); - } - else if (ma) - { - d = *dst; - s = src; - - UN8x4_MUL_UN8x4 (s, ma); - UN8x4_MUL_UN8 (ma, srca); - ma = ~ma; - UN8x4_MUL_UN8x4_ADD_UN8x4 (d, ma, s); - - *dst = d; - } - - dst++; - } - } -} - -static void -fast_composite_over_n_8_0888 (pixman_implementation_t *imp, - pixman_op_t op, - pixman_image_t * src_image, - pixman_image_t * mask_image, - pixman_image_t * dst_image, - int32_t src_x, - int32_t src_y, - int32_t mask_x, - int32_t mask_y, - int32_t dest_x, - int32_t dest_y, - int32_t width, - int32_t height) -{ - uint32_t src, srca; - uint8_t *dst_line, *dst; - uint32_t d; - uint8_t *mask_line, *mask, m; - int dst_stride, mask_stride; - int32_t w; - - src = _pixman_image_get_solid (imp, src_image, dst_image->bits.format); - - srca = src >> 24; - if (src == 0) - return; - - PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint8_t, dst_stride, dst_line, 3); - PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint8_t, mask_stride, mask_line, 1); - - while (height--) - { - dst = dst_line; - dst_line += dst_stride; - mask = mask_line; - mask_line += mask_stride; - w = width; - - while (w--) - { - m = *mask++; - if (m == 0xff) - { - if (srca == 0xff) - { - d = src; - } - else - { - d = fetch_24 (dst); - d = over (src, d); - } - store_24 (dst, d); - } - else if (m) - { - d = over (in (src, m), fetch_24 (dst)); - store_24 (dst, d); - } - dst += 3; - } - } -} - -static void -fast_composite_over_n_8_0565 (pixman_implementation_t *imp, - pixman_op_t op, - pixman_image_t * src_image, - pixman_image_t * mask_image, - pixman_image_t * dst_image, - int32_t src_x, - int32_t src_y, - int32_t mask_x, - int32_t mask_y, - int32_t dest_x, - int32_t dest_y, - int32_t width, - int32_t height) -{ - uint32_t src, srca; - uint16_t *dst_line, *dst; - uint32_t d; - uint8_t *mask_line, *mask, m; - int dst_stride, mask_stride; - int32_t w; - - src = _pixman_image_get_solid (imp, src_image, dst_image->bits.format); - - srca = src >> 24; - if (src == 0) - return; - - PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint16_t, dst_stride, dst_line, 1); - PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint8_t, mask_stride, mask_line, 1); - - while (height--) - { - dst = dst_line; - dst_line += dst_stride; - mask = mask_line; - mask_line += mask_stride; - w = width; - - while (w--) - { - m = *mask++; - if (m == 0xff) - { - if (srca == 0xff) - { - d = src; - } - else - { - d = *dst; - d = over (src, CONVERT_0565_TO_0888 (d)); - } - *dst = CONVERT_8888_TO_0565 (d); - } - else if (m) - { - d = *dst; - d = over (in (src, m), CONVERT_0565_TO_0888 (d)); - *dst = CONVERT_8888_TO_0565 (d); - } - dst++; - } - } -} - -static void -fast_composite_over_n_8888_0565_ca (pixman_implementation_t *imp, - pixman_op_t op, - pixman_image_t * src_image, - pixman_image_t * mask_image, - pixman_image_t * dst_image, - int32_t src_x, - int32_t src_y, - int32_t mask_x, - int32_t mask_y, - int32_t dest_x, - int32_t dest_y, - int32_t width, - int32_t height) -{ - uint32_t src, srca, s; - uint16_t src16; - uint16_t *dst_line, *dst; - uint32_t d; - uint32_t *mask_line, *mask, ma; - int dst_stride, mask_stride; - int32_t w; - - src = _pixman_image_get_solid (imp, src_image, dst_image->bits.format); - - srca = src >> 24; - if (src == 0) - return; - - src16 = CONVERT_8888_TO_0565 (src); - - PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint16_t, dst_stride, dst_line, 1); - PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint32_t, mask_stride, mask_line, 1); - - while (height--) - { - dst = dst_line; - dst_line += dst_stride; - mask = mask_line; - mask_line += mask_stride; - w = width; - - while (w--) - { - ma = *mask++; - if (ma == 0xffffffff) - { - if (srca == 0xff) - { - *dst = src16; - } - else - { - d = *dst; - d = over (src, CONVERT_0565_TO_0888 (d)); - *dst = CONVERT_8888_TO_0565 (d); - } - } - else if (ma) - { - d = *dst; - d = CONVERT_0565_TO_0888 (d); - - s = src; - - UN8x4_MUL_UN8x4 (s, ma); - UN8x4_MUL_UN8 (ma, srca); - ma = ~ma; - UN8x4_MUL_UN8x4_ADD_UN8x4 (d, ma, s); - - *dst = CONVERT_8888_TO_0565 (d); - } - dst++; - } - } -} - -static void -fast_composite_over_8888_8888 (pixman_implementation_t *imp, - pixman_op_t op, - pixman_image_t * src_image, - pixman_image_t * mask_image, - pixman_image_t * dst_image, - int32_t src_x, - int32_t src_y, - int32_t mask_x, - int32_t mask_y, - int32_t dest_x, - int32_t dest_y, - int32_t width, - int32_t height) -{ - uint32_t *dst_line, *dst; - uint32_t *src_line, *src, s; - int dst_stride, src_stride; - uint8_t a; - int32_t w; - - PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1); - PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1); - - while (height--) - { - dst = dst_line; - dst_line += dst_stride; - src = src_line; - src_line += src_stride; - w = width; - - while (w--) - { - s = *src++; - a = s >> 24; - if (a == 0xff) - *dst = s; - else if (s) - *dst = over (s, *dst); - dst++; - } - } -} - -static void -fast_composite_src_x888_8888 (pixman_implementation_t *imp, - pixman_op_t op, - pixman_image_t * src_image, - pixman_image_t * mask_image, - pixman_image_t * dst_image, - int32_t src_x, - int32_t src_y, - int32_t mask_x, - int32_t mask_y, - int32_t dest_x, - int32_t dest_y, - int32_t width, - int32_t height) -{ - uint32_t *dst_line, *dst; - uint32_t *src_line, *src; - int dst_stride, src_stride; - int32_t w; - - PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1); - PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1); - - while (height--) - { - dst = dst_line; - dst_line += dst_stride; - src = src_line; - src_line += src_stride; - w = width; - - while (w--) - *dst++ = (*src++) | 0xff000000; - } -} - -#if 0 -static void -fast_composite_over_8888_0888 (pixman_implementation_t *imp, - pixman_op_t op, - pixman_image_t * src_image, - pixman_image_t * mask_image, - pixman_image_t * dst_image, - int32_t src_x, - int32_t src_y, - int32_t mask_x, - int32_t mask_y, - int32_t dest_x, - int32_t dest_y, - int32_t width, - int32_t height) -{ - uint8_t *dst_line, *dst; - uint32_t d; - uint32_t *src_line, *src, s; - uint8_t a; - int dst_stride, src_stride; - int32_t w; - - PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint8_t, dst_stride, dst_line, 3); - PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1); - - while (height--) - { - dst = dst_line; - dst_line += dst_stride; - src = src_line; - src_line += src_stride; - w = width; - - while (w--) - { - s = *src++; - a = s >> 24; - if (a) - { - if (a == 0xff) - d = s; - else - d = over (s, fetch_24 (dst)); - - store_24 (dst, d); - } - dst += 3; - } - } -} -#endif - -static void -fast_composite_over_8888_0565 (pixman_implementation_t *imp, - pixman_op_t op, - pixman_image_t * src_image, - pixman_image_t * mask_image, - pixman_image_t * dst_image, - int32_t src_x, - int32_t src_y, - int32_t mask_x, - int32_t mask_y, - int32_t dest_x, - int32_t dest_y, - int32_t width, - int32_t height) -{ - uint16_t *dst_line, *dst; - uint32_t d; - uint32_t *src_line, *src, s; - uint8_t a; - int dst_stride, src_stride; - int32_t w; - - PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1); - PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint16_t, dst_stride, dst_line, 1); - - while (height--) - { - dst = dst_line; - dst_line += dst_stride; - src = src_line; - src_line += src_stride; - w = width; - - while (w--) - { - s = *src++; - a = s >> 24; - if (s) - { - if (a == 0xff) - { - d = s; - } - else - { - d = *dst; - d = over (s, CONVERT_0565_TO_0888 (d)); - } - *dst = CONVERT_8888_TO_0565 (d); - } - dst++; - } - } -} - -static void -fast_composite_src_x888_0565 (pixman_implementation_t *imp, - pixman_op_t op, - pixman_image_t * src_image, - pixman_image_t * mask_image, - pixman_image_t * dst_image, - int32_t src_x, - int32_t src_y, - int32_t mask_x, - int32_t mask_y, - int32_t dest_x, - int32_t dest_y, - int32_t width, - int32_t height) -{ - uint16_t *dst_line, *dst; - uint32_t *src_line, *src, s; - int dst_stride, src_stride; - int32_t w; - - PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1); - PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint16_t, dst_stride, dst_line, 1); - - while (height--) - { - dst = dst_line; - dst_line += dst_stride; - src = src_line; - src_line += src_stride; - w = width; - - while (w--) - { - s = *src++; - *dst = CONVERT_8888_TO_0565 (s); - dst++; - } - } -} - -static void -fast_composite_add_8_8 (pixman_implementation_t *imp, - pixman_op_t op, - pixman_image_t * src_image, - pixman_image_t * mask_image, - pixman_image_t * dst_image, - int32_t src_x, - int32_t src_y, - int32_t mask_x, - int32_t mask_y, - int32_t dest_x, - int32_t dest_y, - int32_t width, - int32_t height) -{ - uint8_t *dst_line, *dst; - uint8_t *src_line, *src; - int dst_stride, src_stride; - int32_t w; - uint8_t s, d; - uint16_t t; - - PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint8_t, src_stride, src_line, 1); - PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint8_t, dst_stride, dst_line, 1); - - while (height--) - { - dst = dst_line; - dst_line += dst_stride; - src = src_line; - src_line += src_stride; - w = width; - - while (w--) - { - s = *src++; - if (s) - { - if (s != 0xff) - { - d = *dst; - t = d + s; - s = t | (0 - (t >> 8)); - } - *dst = s; - } - dst++; - } - } -} - -static void -fast_composite_add_8888_8888 (pixman_implementation_t *imp, - pixman_op_t op, - pixman_image_t * src_image, - pixman_image_t * mask_image, - pixman_image_t * dst_image, - int32_t src_x, - int32_t src_y, - int32_t mask_x, - int32_t mask_y, - int32_t dest_x, - int32_t dest_y, - int32_t width, - int32_t height) -{ - uint32_t *dst_line, *dst; - uint32_t *src_line, *src; - int dst_stride, src_stride; - int32_t w; - uint32_t s, d; - - PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1); - PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1); - - while (height--) - { - dst = dst_line; - dst_line += dst_stride; - src = src_line; - src_line += src_stride; - w = width; - - while (w--) - { - s = *src++; - if (s) - { - if (s != 0xffffffff) - { - d = *dst; - if (d) - UN8x4_ADD_UN8x4 (s, d); - } - *dst = s; - } - dst++; - } - } -} - -static void -fast_composite_add_n_8_8 (pixman_implementation_t *imp, - pixman_op_t op, - pixman_image_t * src_image, - pixman_image_t * mask_image, - pixman_image_t * dst_image, - int32_t src_x, - int32_t src_y, - int32_t mask_x, - int32_t mask_y, - int32_t dest_x, - int32_t dest_y, - int32_t width, - int32_t height) -{ - uint8_t *dst_line, *dst; - uint8_t *mask_line, *mask; - int dst_stride, mask_stride; - int32_t w; - uint32_t src; - uint8_t sa; - - PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint8_t, dst_stride, dst_line, 1); - PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint8_t, mask_stride, mask_line, 1); - src = _pixman_image_get_solid (imp, src_image, dst_image->bits.format); - sa = (src >> 24); - - while (height--) - { - dst = dst_line; - dst_line += dst_stride; - mask = mask_line; - mask_line += mask_stride; - w = width; - - while (w--) - { - uint16_t tmp; - uint16_t a; - uint32_t m, d; - uint32_t r; - - a = *mask++; - d = *dst; - - m = MUL_UN8 (sa, a, tmp); - r = ADD_UN8 (m, d, tmp); - - *dst++ = r; - } - } -} - -#ifdef WORDS_BIGENDIAN -#define CREATE_BITMASK(n) (0x80000000 >> (n)) -#define UPDATE_BITMASK(n) ((n) >> 1) -#else -#define CREATE_BITMASK(n) (1 << (n)) -#define UPDATE_BITMASK(n) ((n) << 1) -#endif - -#define TEST_BIT(p, n) \ - (*((p) + ((n) >> 5)) & CREATE_BITMASK ((n) & 31)) -#define SET_BIT(p, n) \ - do { *((p) + ((n) >> 5)) |= CREATE_BITMASK ((n) & 31); } while (0); - -static void -fast_composite_add_1000_1000 (pixman_implementation_t *imp, - pixman_op_t op, - pixman_image_t * src_image, - pixman_image_t * mask_image, - pixman_image_t * dst_image, - int32_t src_x, - int32_t src_y, - int32_t mask_x, - int32_t mask_y, - int32_t dest_x, - int32_t dest_y, - int32_t width, - int32_t height) -{ - uint32_t *dst_line, *dst; - uint32_t *src_line, *src; - int dst_stride, src_stride; - int32_t w; - - PIXMAN_IMAGE_GET_LINE (src_image, 0, src_y, uint32_t, - src_stride, src_line, 1); - PIXMAN_IMAGE_GET_LINE (dst_image, 0, dest_y, uint32_t, - dst_stride, dst_line, 1); - - while (height--) - { - dst = dst_line; - dst_line += dst_stride; - src = src_line; - src_line += src_stride; - w = width; - - while (w--) - { - /* - * TODO: improve performance by processing uint32_t data instead - * of individual bits - */ - if (TEST_BIT (src, src_x + w)) - SET_BIT (dst, dest_x + w); - } - } -} - -static void -fast_composite_over_n_1_8888 (pixman_implementation_t *imp, - pixman_op_t op, - pixman_image_t * src_image, - pixman_image_t * mask_image, - pixman_image_t * dst_image, - int32_t src_x, - int32_t src_y, - int32_t mask_x, - int32_t mask_y, - int32_t dest_x, - int32_t dest_y, - int32_t width, - int32_t height) -{ - uint32_t src, srca; - uint32_t *dst, *dst_line; - uint32_t *mask, *mask_line; - int mask_stride, dst_stride; - uint32_t bitcache, bitmask; - int32_t w; - - if (width <= 0) - return; - - src = _pixman_image_get_solid (imp, src_image, dst_image->bits.format); - srca = src >> 24; - if (src == 0) - return; - - PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint32_t, - dst_stride, dst_line, 1); - PIXMAN_IMAGE_GET_LINE (mask_image, 0, mask_y, uint32_t, - mask_stride, mask_line, 1); - mask_line += mask_x >> 5; - - if (srca == 0xff) - { - while (height--) - { - dst = dst_line; - dst_line += dst_stride; - mask = mask_line; - mask_line += mask_stride; - w = width; - - bitcache = *mask++; - bitmask = CREATE_BITMASK (mask_x & 31); - - while (w--) - { - if (bitmask == 0) - { - bitcache = *mask++; - bitmask = CREATE_BITMASK (0); - } - if (bitcache & bitmask) - *dst = src; - bitmask = UPDATE_BITMASK (bitmask); - dst++; - } - } - } - else - { - while (height--) - { - dst = dst_line; - dst_line += dst_stride; - mask = mask_line; - mask_line += mask_stride; - w = width; - - bitcache = *mask++; - bitmask = CREATE_BITMASK (mask_x & 31); - - while (w--) - { - if (bitmask == 0) - { - bitcache = *mask++; - bitmask = CREATE_BITMASK (0); - } - if (bitcache & bitmask) - *dst = over (src, *dst); - bitmask = UPDATE_BITMASK (bitmask); - dst++; - } - } - } -} - -static void -fast_composite_over_n_1_0565 (pixman_implementation_t *imp, - pixman_op_t op, - pixman_image_t * src_image, - pixman_image_t * mask_image, - pixman_image_t * dst_image, - int32_t src_x, - int32_t src_y, - int32_t mask_x, - int32_t mask_y, - int32_t dest_x, - int32_t dest_y, - int32_t width, - int32_t height) -{ - uint32_t src, srca; - uint16_t *dst, *dst_line; - uint32_t *mask, *mask_line; - int mask_stride, dst_stride; - uint32_t bitcache, bitmask; - int32_t w; - uint32_t d; - uint16_t src565; - - if (width <= 0) - return; - - src = _pixman_image_get_solid (imp, src_image, dst_image->bits.format); - srca = src >> 24; - if (src == 0) - return; - - PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint16_t, - dst_stride, dst_line, 1); - PIXMAN_IMAGE_GET_LINE (mask_image, 0, mask_y, uint32_t, - mask_stride, mask_line, 1); - mask_line += mask_x >> 5; - - if (srca == 0xff) - { - src565 = CONVERT_8888_TO_0565 (src); - while (height--) - { - dst = dst_line; - dst_line += dst_stride; - mask = mask_line; - mask_line += mask_stride; - w = width; - - bitcache = *mask++; - bitmask = CREATE_BITMASK (mask_x & 31); - - while (w--) - { - if (bitmask == 0) - { - bitcache = *mask++; - bitmask = CREATE_BITMASK (0); - } - if (bitcache & bitmask) - *dst = src565; - bitmask = UPDATE_BITMASK (bitmask); - dst++; - } - } - } - else - { - while (height--) - { - dst = dst_line; - dst_line += dst_stride; - mask = mask_line; - mask_line += mask_stride; - w = width; - - bitcache = *mask++; - bitmask = CREATE_BITMASK (mask_x & 31); - - while (w--) - { - if (bitmask == 0) - { - bitcache = *mask++; - bitmask = CREATE_BITMASK (0); - } - if (bitcache & bitmask) - { - d = over (src, CONVERT_0565_TO_0888 (*dst)); - *dst = CONVERT_8888_TO_0565 (d); - } - bitmask = UPDATE_BITMASK (bitmask); - dst++; - } - } - } -} - -/* - * Simple bitblt - */ - -static void -fast_composite_solid_fill (pixman_implementation_t *imp, - pixman_op_t op, - pixman_image_t * src_image, - pixman_image_t * mask_image, - pixman_image_t * dst_image, - int32_t src_x, - int32_t src_y, - int32_t mask_x, - int32_t mask_y, - int32_t dest_x, - int32_t dest_y, - int32_t width, - int32_t height) -{ - uint32_t src; - - src = _pixman_image_get_solid (imp, src_image, dst_image->bits.format); - - if (dst_image->bits.format == PIXMAN_a1) - { - src = src >> 31; - } - else if (dst_image->bits.format == PIXMAN_a8) - { - src = src >> 24; - } - else if (dst_image->bits.format == PIXMAN_r5g6b5 || - dst_image->bits.format == PIXMAN_b5g6r5) - { - src = CONVERT_8888_TO_0565 (src); - } - - pixman_fill (dst_image->bits.bits, dst_image->bits.rowstride, - PIXMAN_FORMAT_BPP (dst_image->bits.format), - dest_x, dest_y, - width, height, - src); -} - -static void -fast_composite_src_memcpy (pixman_implementation_t *imp, - pixman_op_t op, - pixman_image_t * src_image, - pixman_image_t * mask_image, - pixman_image_t * dst_image, - int32_t src_x, - int32_t src_y, - int32_t mask_x, - int32_t mask_y, - int32_t dest_x, - int32_t dest_y, - int32_t width, - int32_t height) -{ - int bpp = PIXMAN_FORMAT_BPP (dst_image->bits.format) / 8; - uint32_t n_bytes = width * bpp; - int dst_stride, src_stride; - uint8_t *dst; - uint8_t *src; - - src_stride = src_image->bits.rowstride * 4; - dst_stride = dst_image->bits.rowstride * 4; - - src = (uint8_t *)src_image->bits.bits + src_y * src_stride + src_x * bpp; - dst = (uint8_t *)dst_image->bits.bits + dest_y * dst_stride + dest_x * bpp; - - while (height--) - { - memcpy (dst, src, n_bytes); - - dst += dst_stride; - src += src_stride; - } -} - -FAST_NEAREST (8888_8888_cover, 8888, 8888, uint32_t, uint32_t, SRC, COVER) -FAST_NEAREST (8888_8888_none, 8888, 8888, uint32_t, uint32_t, SRC, NONE) -FAST_NEAREST (8888_8888_pad, 8888, 8888, uint32_t, uint32_t, SRC, PAD) -FAST_NEAREST (8888_8888_normal, 8888, 8888, uint32_t, uint32_t, SRC, NORMAL) -FAST_NEAREST (8888_8888_cover, 8888, 8888, uint32_t, uint32_t, OVER, COVER) -FAST_NEAREST (8888_8888_none, 8888, 8888, uint32_t, uint32_t, OVER, NONE) -FAST_NEAREST (8888_8888_pad, 8888, 8888, uint32_t, uint32_t, OVER, PAD) -FAST_NEAREST (8888_8888_normal, 8888, 8888, uint32_t, uint32_t, OVER, NORMAL) -FAST_NEAREST (8888_565_cover, 8888, 0565, uint32_t, uint16_t, SRC, COVER) -FAST_NEAREST (8888_565_none, 8888, 0565, uint32_t, uint16_t, SRC, NONE) -FAST_NEAREST (8888_565_pad, 8888, 0565, uint32_t, uint16_t, SRC, PAD) -FAST_NEAREST (8888_565_normal, 8888, 0565, uint32_t, uint16_t, SRC, NORMAL) -FAST_NEAREST (565_565_normal, 0565, 0565, uint16_t, uint16_t, SRC, NORMAL) -FAST_NEAREST (8888_565_cover, 8888, 0565, uint32_t, uint16_t, OVER, COVER) -FAST_NEAREST (8888_565_none, 8888, 0565, uint32_t, uint16_t, OVER, NONE) -FAST_NEAREST (8888_565_pad, 8888, 0565, uint32_t, uint16_t, OVER, PAD) -FAST_NEAREST (8888_565_normal, 8888, 0565, uint32_t, uint16_t, OVER, NORMAL) - -/* Use more unrolling for src_0565_0565 because it is typically CPU bound */ -static force_inline void -scaled_nearest_scanline_565_565_SRC (uint16_t * dst, - uint16_t * src, - int32_t w, - pixman_fixed_t vx, - pixman_fixed_t unit_x, - pixman_fixed_t max_vx) -{ - uint16_t tmp1, tmp2, tmp3, tmp4; - while ((w -= 4) >= 0) - { - tmp1 = src[pixman_fixed_to_int (vx)]; - vx += unit_x; - tmp2 = src[pixman_fixed_to_int (vx)]; - vx += unit_x; - tmp3 = src[pixman_fixed_to_int (vx)]; - vx += unit_x; - tmp4 = src[pixman_fixed_to_int (vx)]; - vx += unit_x; - *dst++ = tmp1; - *dst++ = tmp2; - *dst++ = tmp3; - *dst++ = tmp4; - } - if (w & 2) - { - tmp1 = src[pixman_fixed_to_int (vx)]; - vx += unit_x; - tmp2 = src[pixman_fixed_to_int (vx)]; - vx += unit_x; - *dst++ = tmp1; - *dst++ = tmp2; - } - if (w & 1) - *dst++ = src[pixman_fixed_to_int (vx)]; -} - -FAST_NEAREST_MAINLOOP (565_565_cover_SRC, - scaled_nearest_scanline_565_565_SRC, - uint16_t, uint16_t, COVER) -FAST_NEAREST_MAINLOOP (565_565_none_SRC, - scaled_nearest_scanline_565_565_SRC, - uint16_t, uint16_t, NONE) -FAST_NEAREST_MAINLOOP (565_565_pad_SRC, - scaled_nearest_scanline_565_565_SRC, - uint16_t, uint16_t, PAD) - -static force_inline uint32_t -fetch_nearest (pixman_repeat_t src_repeat, - pixman_format_code_t format, - uint32_t *src, int x, int src_width) -{ - if (repeat (src_repeat, &x, src_width)) - { - if (format == PIXMAN_x8r8g8b8) - return *(src + x) | 0xff000000; - else - return *(src + x); - } - else - { - return 0; - } -} - -static force_inline void -combine_over (uint32_t s, uint32_t *dst) -{ - if (s) - { - uint8_t ia = 0xff - (s >> 24); - - if (ia) - UN8x4_MUL_UN8_ADD_UN8x4 (*dst, ia, s); - else - *dst = s; - } -} - -static force_inline void -combine_src (uint32_t s, uint32_t *dst) -{ - *dst = s; -} - -static void -fast_composite_scaled_nearest (pixman_implementation_t *imp, - pixman_op_t op, - pixman_image_t * src_image, - pixman_image_t * mask_image, - pixman_image_t * dst_image, - int32_t src_x, - int32_t src_y, - int32_t mask_x, - int32_t mask_y, - int32_t dest_x, - int32_t dest_y, - int32_t width, - int32_t height) -{ - uint32_t *dst_line; - uint32_t *src_line; - int dst_stride, src_stride; - int src_width, src_height; - pixman_repeat_t src_repeat; - pixman_fixed_t unit_x, unit_y; - pixman_format_code_t src_format; - pixman_vector_t v; - pixman_fixed_t vy; - - PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1); - /* pass in 0 instead of src_x and src_y because src_x and src_y need to be - * transformed from destination space to source space - */ - PIXMAN_IMAGE_GET_LINE (src_image, 0, 0, uint32_t, src_stride, src_line, 1); - - /* reference point is the center of the pixel */ - v.vector[0] = pixman_int_to_fixed (src_x) + pixman_fixed_1 / 2; - v.vector[1] = pixman_int_to_fixed (src_y) + pixman_fixed_1 / 2; - v.vector[2] = pixman_fixed_1; - - if (!pixman_transform_point_3d (src_image->common.transform, &v)) - return; - - unit_x = src_image->common.transform->matrix[0][0]; - unit_y = src_image->common.transform->matrix[1][1]; - - /* Round down to closest integer, ensuring that 0.5 rounds to 0, not 1 */ - v.vector[0] -= pixman_fixed_e; - v.vector[1] -= pixman_fixed_e; - - src_height = src_image->bits.height; - src_width = src_image->bits.width; - src_repeat = src_image->common.repeat; - src_format = src_image->bits.format; - - vy = v.vector[1]; - while (height--) - { - pixman_fixed_t vx = v.vector[0]; - int y = pixman_fixed_to_int (vy); - uint32_t *dst = dst_line; - - dst_line += dst_stride; - - /* adjust the y location by a unit vector in the y direction - * this is equivalent to transforming y+1 of the destination point to source space */ - vy += unit_y; - - if (!repeat (src_repeat, &y, src_height)) - { - if (op == PIXMAN_OP_SRC) - memset (dst, 0, sizeof (*dst) * width); - } - else - { - int w = width; - - uint32_t *src = src_line + y * src_stride; - - while (w >= 2) - { - uint32_t s1, s2; - int x1, x2; - - x1 = pixman_fixed_to_int (vx); - vx += unit_x; - - x2 = pixman_fixed_to_int (vx); - vx += unit_x; - - w -= 2; - - s1 = fetch_nearest (src_repeat, src_format, src, x1, src_width); - s2 = fetch_nearest (src_repeat, src_format, src, x2, src_width); - - if (op == PIXMAN_OP_OVER) - { - combine_over (s1, dst++); - combine_over (s2, dst++); - } - else - { - combine_src (s1, dst++); - combine_src (s2, dst++); - } - } - - while (w--) - { - uint32_t s; - int x; - - x = pixman_fixed_to_int (vx); - vx += unit_x; - - s = fetch_nearest (src_repeat, src_format, src, x, src_width); - - if (op == PIXMAN_OP_OVER) - combine_over (s, dst++); - else - combine_src (s, dst++); - } - } - } -} - -static const pixman_fast_path_t c_fast_paths[] = -{ - PIXMAN_STD_FAST_PATH (OVER, solid, a8, r5g6b5, fast_composite_over_n_8_0565), - PIXMAN_STD_FAST_PATH (OVER, solid, a8, b5g6r5, fast_composite_over_n_8_0565), - PIXMAN_STD_FAST_PATH (OVER, solid, a8, r8g8b8, fast_composite_over_n_8_0888), - PIXMAN_STD_FAST_PATH (OVER, solid, a8, b8g8r8, fast_composite_over_n_8_0888), - PIXMAN_STD_FAST_PATH (OVER, solid, a8, a8r8g8b8, fast_composite_over_n_8_8888), - PIXMAN_STD_FAST_PATH (OVER, solid, a8, x8r8g8b8, fast_composite_over_n_8_8888), - PIXMAN_STD_FAST_PATH (OVER, solid, a8, a8b8g8r8, fast_composite_over_n_8_8888), - PIXMAN_STD_FAST_PATH (OVER, solid, a8, x8b8g8r8, fast_composite_over_n_8_8888), - PIXMAN_STD_FAST_PATH (OVER, solid, a1, a8r8g8b8, fast_composite_over_n_1_8888), - PIXMAN_STD_FAST_PATH (OVER, solid, a1, x8r8g8b8, fast_composite_over_n_1_8888), - PIXMAN_STD_FAST_PATH (OVER, solid, a1, a8b8g8r8, fast_composite_over_n_1_8888), - PIXMAN_STD_FAST_PATH (OVER, solid, a1, x8b8g8r8, fast_composite_over_n_1_8888), - PIXMAN_STD_FAST_PATH (OVER, solid, a1, r5g6b5, fast_composite_over_n_1_0565), - PIXMAN_STD_FAST_PATH (OVER, solid, a1, b5g6r5, fast_composite_over_n_1_0565), - PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8r8g8b8, a8r8g8b8, fast_composite_over_n_8888_8888_ca), - PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8r8g8b8, x8r8g8b8, fast_composite_over_n_8888_8888_ca), - PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8r8g8b8, r5g6b5, fast_composite_over_n_8888_0565_ca), - PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8b8g8r8, a8b8g8r8, fast_composite_over_n_8888_8888_ca), - PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8b8g8r8, x8b8g8r8, fast_composite_over_n_8888_8888_ca), - PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8b8g8r8, b5g6r5, fast_composite_over_n_8888_0565_ca), - PIXMAN_STD_FAST_PATH (OVER, x8r8g8b8, a8, x8r8g8b8, fast_composite_over_x888_8_8888), - PIXMAN_STD_FAST_PATH (OVER, x8r8g8b8, a8, a8r8g8b8, fast_composite_over_x888_8_8888), - PIXMAN_STD_FAST_PATH (OVER, x8b8g8r8, a8, x8b8g8r8, fast_composite_over_x888_8_8888), - PIXMAN_STD_FAST_PATH (OVER, x8b8g8r8, a8, a8b8g8r8, fast_composite_over_x888_8_8888), - PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, null, a8r8g8b8, fast_composite_over_8888_8888), - PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, null, x8r8g8b8, fast_composite_over_8888_8888), - PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, null, r5g6b5, fast_composite_over_8888_0565), - PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, null, a8b8g8r8, fast_composite_over_8888_8888), - PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, null, x8b8g8r8, fast_composite_over_8888_8888), - PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, null, b5g6r5, fast_composite_over_8888_0565), - PIXMAN_STD_FAST_PATH (ADD, a8r8g8b8, null, a8r8g8b8, fast_composite_add_8888_8888), - PIXMAN_STD_FAST_PATH (ADD, a8b8g8r8, null, a8b8g8r8, fast_composite_add_8888_8888), - PIXMAN_STD_FAST_PATH (ADD, a8, null, a8, fast_composite_add_8_8), - PIXMAN_STD_FAST_PATH (ADD, a1, null, a1, fast_composite_add_1000_1000), - PIXMAN_STD_FAST_PATH_CA (ADD, solid, a8r8g8b8, a8r8g8b8, fast_composite_add_n_8888_8888_ca), - PIXMAN_STD_FAST_PATH (ADD, solid, a8, a8, fast_composite_add_n_8_8), - PIXMAN_STD_FAST_PATH (SRC, solid, null, a8r8g8b8, fast_composite_solid_fill), - PIXMAN_STD_FAST_PATH (SRC, solid, null, x8r8g8b8, fast_composite_solid_fill), - PIXMAN_STD_FAST_PATH (SRC, solid, null, a8b8g8r8, fast_composite_solid_fill), - PIXMAN_STD_FAST_PATH (SRC, solid, null, x8b8g8r8, fast_composite_solid_fill), - PIXMAN_STD_FAST_PATH (SRC, solid, null, a1, fast_composite_solid_fill), - PIXMAN_STD_FAST_PATH (SRC, solid, null, a8, fast_composite_solid_fill), - PIXMAN_STD_FAST_PATH (SRC, solid, null, r5g6b5, fast_composite_solid_fill), - PIXMAN_STD_FAST_PATH (SRC, x8r8g8b8, null, a8r8g8b8, fast_composite_src_x888_8888), - PIXMAN_STD_FAST_PATH (SRC, x8b8g8r8, null, a8b8g8r8, fast_composite_src_x888_8888), - PIXMAN_STD_FAST_PATH (SRC, a8r8g8b8, null, x8r8g8b8, fast_composite_src_memcpy), - PIXMAN_STD_FAST_PATH (SRC, a8r8g8b8, null, a8r8g8b8, fast_composite_src_memcpy), - PIXMAN_STD_FAST_PATH (SRC, x8r8g8b8, null, x8r8g8b8, fast_composite_src_memcpy), - PIXMAN_STD_FAST_PATH (SRC, a8b8g8r8, null, x8b8g8r8, fast_composite_src_memcpy), - PIXMAN_STD_FAST_PATH (SRC, a8b8g8r8, null, a8b8g8r8, fast_composite_src_memcpy), - PIXMAN_STD_FAST_PATH (SRC, x8b8g8r8, null, x8b8g8r8, fast_composite_src_memcpy), - PIXMAN_STD_FAST_PATH (SRC, b8g8r8a8, null, b8g8r8x8, fast_composite_src_memcpy), - PIXMAN_STD_FAST_PATH (SRC, b8g8r8a8, null, b8g8r8a8, fast_composite_src_memcpy), - PIXMAN_STD_FAST_PATH (SRC, b8g8r8x8, null, b8g8r8x8, fast_composite_src_memcpy), - PIXMAN_STD_FAST_PATH (SRC, r5g6b5, null, r5g6b5, fast_composite_src_memcpy), - PIXMAN_STD_FAST_PATH (SRC, b5g6r5, null, b5g6r5, fast_composite_src_memcpy), - PIXMAN_STD_FAST_PATH (SRC, r8g8b8, null, r8g8b8, fast_composite_src_memcpy), - PIXMAN_STD_FAST_PATH (SRC, b8g8r8, null, b8g8r8, fast_composite_src_memcpy), - PIXMAN_STD_FAST_PATH (SRC, x1r5g5b5, null, x1r5g5b5, fast_composite_src_memcpy), - PIXMAN_STD_FAST_PATH (SRC, a1r5g5b5, null, x1r5g5b5, fast_composite_src_memcpy), - PIXMAN_STD_FAST_PATH (SRC, a8, null, a8, fast_composite_src_memcpy), - PIXMAN_STD_FAST_PATH (SRC, a8r8g8b8, null, r5g6b5, fast_composite_src_x888_0565), - PIXMAN_STD_FAST_PATH (SRC, x8r8g8b8, null, r5g6b5, fast_composite_src_x888_0565), - PIXMAN_STD_FAST_PATH (SRC, a8b8g8r8, null, b5g6r5, fast_composite_src_x888_0565), - PIXMAN_STD_FAST_PATH (SRC, x8b8g8r8, null, b5g6r5, fast_composite_src_x888_0565), - PIXMAN_STD_FAST_PATH (IN, a8, null, a8, fast_composite_in_8_8), - PIXMAN_STD_FAST_PATH (IN, solid, a8, a8, fast_composite_in_n_8_8), - - SIMPLE_NEAREST_FAST_PATH (SRC, x8r8g8b8, x8r8g8b8, 8888_8888), - SIMPLE_NEAREST_FAST_PATH (SRC, a8r8g8b8, x8r8g8b8, 8888_8888), - SIMPLE_NEAREST_FAST_PATH (SRC, x8b8g8r8, x8b8g8r8, 8888_8888), - SIMPLE_NEAREST_FAST_PATH (SRC, a8b8g8r8, x8b8g8r8, 8888_8888), - - SIMPLE_NEAREST_FAST_PATH (SRC, a8r8g8b8, a8r8g8b8, 8888_8888), - SIMPLE_NEAREST_FAST_PATH (SRC, a8b8g8r8, a8b8g8r8, 8888_8888), - - SIMPLE_NEAREST_FAST_PATH (SRC, x8r8g8b8, r5g6b5, 8888_565), - SIMPLE_NEAREST_FAST_PATH (SRC, a8r8g8b8, r5g6b5, 8888_565), - - SIMPLE_NEAREST_FAST_PATH (SRC, r5g6b5, r5g6b5, 565_565), - - SIMPLE_NEAREST_FAST_PATH (OVER, a8r8g8b8, x8r8g8b8, 8888_8888), - SIMPLE_NEAREST_FAST_PATH (OVER, a8b8g8r8, x8b8g8r8, 8888_8888), - SIMPLE_NEAREST_FAST_PATH (OVER, a8r8g8b8, a8r8g8b8, 8888_8888), - SIMPLE_NEAREST_FAST_PATH (OVER, a8b8g8r8, a8b8g8r8, 8888_8888), - - SIMPLE_NEAREST_FAST_PATH (OVER, a8r8g8b8, r5g6b5, 8888_565), - -#define NEAREST_FAST_PATH(op,s,d) \ - { PIXMAN_OP_ ## op, \ - PIXMAN_ ## s, SCALED_NEAREST_FLAGS, \ - PIXMAN_null, 0, \ - PIXMAN_ ## d, FAST_PATH_STD_DEST_FLAGS, \ - fast_composite_scaled_nearest, \ - } - - NEAREST_FAST_PATH (SRC, x8r8g8b8, x8r8g8b8), - NEAREST_FAST_PATH (SRC, a8r8g8b8, x8r8g8b8), - NEAREST_FAST_PATH (SRC, x8b8g8r8, x8b8g8r8), - NEAREST_FAST_PATH (SRC, a8b8g8r8, x8b8g8r8), - - NEAREST_FAST_PATH (SRC, x8r8g8b8, a8r8g8b8), - NEAREST_FAST_PATH (SRC, a8r8g8b8, a8r8g8b8), - NEAREST_FAST_PATH (SRC, x8b8g8r8, a8b8g8r8), - NEAREST_FAST_PATH (SRC, a8b8g8r8, a8b8g8r8), - - NEAREST_FAST_PATH (OVER, x8r8g8b8, x8r8g8b8), - NEAREST_FAST_PATH (OVER, a8r8g8b8, x8r8g8b8), - NEAREST_FAST_PATH (OVER, x8b8g8r8, x8b8g8r8), - NEAREST_FAST_PATH (OVER, a8b8g8r8, x8b8g8r8), - - NEAREST_FAST_PATH (OVER, x8r8g8b8, a8r8g8b8), - NEAREST_FAST_PATH (OVER, a8r8g8b8, a8r8g8b8), - NEAREST_FAST_PATH (OVER, x8b8g8r8, a8b8g8r8), - NEAREST_FAST_PATH (OVER, a8b8g8r8, a8b8g8r8), - - { PIXMAN_OP_NONE }, -}; - -#ifdef WORDS_BIGENDIAN -#define A1_FILL_MASK(n, offs) (((1 << (n)) - 1) << (32 - (offs) - (n))) -#else -#define A1_FILL_MASK(n, offs) (((1 << (n)) - 1) << (offs)) -#endif - -static force_inline void -pixman_fill1_line (uint32_t *dst, int offs, int width, int v) -{ - if (offs) - { - int leading_pixels = 32 - offs; - if (leading_pixels >= width) - { - if (v) - *dst |= A1_FILL_MASK (width, offs); - else - *dst &= ~A1_FILL_MASK (width, offs); - return; - } - else - { - if (v) - *dst++ |= A1_FILL_MASK (leading_pixels, offs); - else - *dst++ &= ~A1_FILL_MASK (leading_pixels, offs); - width -= leading_pixels; - } - } - while (width >= 32) - { - if (v) - *dst++ = 0xFFFFFFFF; - else - *dst++ = 0; - width -= 32; - } - if (width > 0) - { - if (v) - *dst |= A1_FILL_MASK (width, 0); - else - *dst &= ~A1_FILL_MASK (width, 0); - } -} - -static void -pixman_fill1 (uint32_t *bits, - int stride, - int x, - int y, - int width, - int height, - uint32_t xor) -{ - uint32_t *dst = bits + y * stride + (x >> 5); - int offs = x & 31; - - if (xor & 1) - { - while (height--) - { - pixman_fill1_line (dst, offs, width, 1); - dst += stride; - } - } - else - { - while (height--) - { - pixman_fill1_line (dst, offs, width, 0); - dst += stride; - } - } -} - -static void -pixman_fill8 (uint32_t *bits, - int stride, - int x, - int y, - int width, - int height, - uint32_t xor) -{ - int byte_stride = stride * (int) sizeof (uint32_t); - uint8_t *dst = (uint8_t *) bits; - uint8_t v = xor & 0xff; - int i; - - dst = dst + y * byte_stride + x; - - while (height--) - { - for (i = 0; i < width; ++i) - dst[i] = v; - - dst += byte_stride; - } -} - -static void -pixman_fill16 (uint32_t *bits, - int stride, - int x, - int y, - int width, - int height, - uint32_t xor) -{ - int short_stride = - (stride * (int)sizeof (uint32_t)) / (int)sizeof (uint16_t); - uint16_t *dst = (uint16_t *)bits; - uint16_t v = xor & 0xffff; - int i; - - dst = dst + y * short_stride + x; - - while (height--) - { - for (i = 0; i < width; ++i) - dst[i] = v; - - dst += short_stride; - } -} - -static void -pixman_fill32 (uint32_t *bits, - int stride, - int x, - int y, - int width, - int height, - uint32_t xor) -{ - int i; - - bits = bits + y * stride + x; - - while (height--) - { - for (i = 0; i < width; ++i) - bits[i] = xor; - - bits += stride; - } -} - -static pixman_bool_t -fast_path_fill (pixman_implementation_t *imp, - uint32_t * bits, - int stride, - int bpp, - int x, - int y, - int width, - int height, - uint32_t xor) -{ - switch (bpp) - { - case 1: - pixman_fill1 (bits, stride, x, y, width, height, xor); - break; - - case 8: - pixman_fill8 (bits, stride, x, y, width, height, xor); - break; - - case 16: - pixman_fill16 (bits, stride, x, y, width, height, xor); - break; - - case 32: - pixman_fill32 (bits, stride, x, y, width, height, xor); - break; - - default: - return _pixman_implementation_fill ( - imp->delegate, bits, stride, bpp, x, y, width, height, xor); - break; - } - - return TRUE; -} - -pixman_implementation_t * -_pixman_implementation_create_fast_path (void) -{ - pixman_implementation_t *general = _pixman_implementation_create_general (); - pixman_implementation_t *imp = _pixman_implementation_create (general, c_fast_paths); - - imp->fill = fast_path_fill; - - return imp; -} +/* -*- Mode: c; c-basic-offset: 4; tab-width: 8; indent-tabs-mode: t; -*- */ +/* + * Copyright © 2000 SuSE, Inc. + * Copyright © 2007 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of SuSE not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. SuSE makes no representations about the + * suitability of this software for any purpose. It is provided "as is" + * without express or implied warranty. + * + * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE + * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Keith Packard, SuSE, Inc. + */ + +#ifdef HAVE_CONFIG_H +#include +#endif +#include +#include +#include "pixman-private.h" +#include "pixman-combine32.h" +#include "pixman-fast-path.h" + +static force_inline uint32_t +fetch_24 (uint8_t *a) +{ + if (((unsigned long)a) & 1) + { +#ifdef WORDS_BIGENDIAN + return (*a << 16) | (*(uint16_t *)(a + 1)); +#else + return *a | (*(uint16_t *)(a + 1) << 8); +#endif + } + else + { +#ifdef WORDS_BIGENDIAN + return (*(uint16_t *)a << 8) | *(a + 2); +#else + return *(uint16_t *)a | (*(a + 2) << 16); +#endif + } +} + +static force_inline void +store_24 (uint8_t *a, + uint32_t v) +{ + if (((unsigned long)a) & 1) + { +#ifdef WORDS_BIGENDIAN + *a = (uint8_t) (v >> 16); + *(uint16_t *)(a + 1) = (uint16_t) (v); +#else + *a = (uint8_t) (v); + *(uint16_t *)(a + 1) = (uint16_t) (v >> 8); +#endif + } + else + { +#ifdef WORDS_BIGENDIAN + *(uint16_t *)a = (uint16_t)(v >> 8); + *(a + 2) = (uint8_t)v; +#else + *(uint16_t *)a = (uint16_t)v; + *(a + 2) = (uint8_t)(v >> 16); +#endif + } +} + +static force_inline uint32_t +over (uint32_t src, + uint32_t dest) +{ + uint32_t a = ~src >> 24; + + UN8x4_MUL_UN8_ADD_UN8x4 (dest, a, src); + + return dest; +} + +static uint32_t +in (uint32_t x, + uint8_t y) +{ + uint16_t a = y; + + UN8x4_MUL_UN8 (x, a); + + return x; +} + +/* + * Naming convention: + * + * op_src_mask_dest + */ +static void +fast_composite_over_x888_8_8888 (pixman_implementation_t *imp, + pixman_op_t op, + pixman_image_t * src_image, + pixman_image_t * mask_image, + pixman_image_t * dst_image, + int32_t src_x, + int32_t src_y, + int32_t mask_x, + int32_t mask_y, + int32_t dest_x, + int32_t dest_y, + int32_t width, + int32_t height) +{ + uint32_t *src, *src_line; + uint32_t *dst, *dst_line; + uint8_t *mask, *mask_line; + int src_stride, mask_stride, dst_stride; + uint8_t m; + uint32_t s, d; + int32_t w; + + PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1); + PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint8_t, mask_stride, mask_line, 1); + PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1); + + while (height--) + { + src = src_line; + src_line += src_stride; + dst = dst_line; + dst_line += dst_stride; + mask = mask_line; + mask_line += mask_stride; + + w = width; + while (w--) + { + m = *mask++; + if (m) + { + s = *src | 0xff000000; + + if (m == 0xff) + { + *dst = s; + } + else + { + d = in (s, m); + *dst = over (d, *dst); + } + } + src++; + dst++; + } + } +} + +static void +fast_composite_in_n_8_8 (pixman_implementation_t *imp, + pixman_op_t op, + pixman_image_t * src_image, + pixman_image_t * mask_image, + pixman_image_t * dest_image, + int32_t src_x, + int32_t src_y, + int32_t mask_x, + int32_t mask_y, + int32_t dest_x, + int32_t dest_y, + int32_t width, + int32_t height) +{ + uint32_t src, srca; + uint8_t *dst_line, *dst; + uint8_t *mask_line, *mask, m; + int dst_stride, mask_stride; + int32_t w; + uint16_t t; + + src = _pixman_image_get_solid (imp, src_image, dest_image->bits.format); + + srca = src >> 24; + + PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint8_t, dst_stride, dst_line, 1); + PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint8_t, mask_stride, mask_line, 1); + + if (srca == 0xff) + { + while (height--) + { + dst = dst_line; + dst_line += dst_stride; + mask = mask_line; + mask_line += mask_stride; + w = width; + + while (w--) + { + m = *mask++; + + if (m == 0) + *dst = 0; + else if (m != 0xff) + *dst = MUL_UN8 (m, *dst, t); + + dst++; + } + } + } + else + { + while (height--) + { + dst = dst_line; + dst_line += dst_stride; + mask = mask_line; + mask_line += mask_stride; + w = width; + + while (w--) + { + m = *mask++; + m = MUL_UN8 (m, srca, t); + + if (m == 0) + *dst = 0; + else if (m != 0xff) + *dst = MUL_UN8 (m, *dst, t); + + dst++; + } + } + } +} + +static void +fast_composite_in_8_8 (pixman_implementation_t *imp, + pixman_op_t op, + pixman_image_t * src_image, + pixman_image_t * mask_image, + pixman_image_t * dest_image, + int32_t src_x, + int32_t src_y, + int32_t mask_x, + int32_t mask_y, + int32_t dest_x, + int32_t dest_y, + int32_t width, + int32_t height) +{ + uint8_t *dst_line, *dst; + uint8_t *src_line, *src; + int dst_stride, src_stride; + int32_t w; + uint8_t s; + uint16_t t; + + PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint8_t, src_stride, src_line, 1); + PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint8_t, dst_stride, dst_line, 1); + + while (height--) + { + dst = dst_line; + dst_line += dst_stride; + src = src_line; + src_line += src_stride; + w = width; + + while (w--) + { + s = *src++; + + if (s == 0) + *dst = 0; + else if (s != 0xff) + *dst = MUL_UN8 (s, *dst, t); + + dst++; + } + } +} + +static void +fast_composite_over_n_8_8888 (pixman_implementation_t *imp, + pixman_op_t op, + pixman_image_t * src_image, + pixman_image_t * mask_image, + pixman_image_t * dst_image, + int32_t src_x, + int32_t src_y, + int32_t mask_x, + int32_t mask_y, + int32_t dest_x, + int32_t dest_y, + int32_t width, + int32_t height) +{ + uint32_t src, srca; + uint32_t *dst_line, *dst, d; + uint8_t *mask_line, *mask, m; + int dst_stride, mask_stride; + int32_t w; + + src = _pixman_image_get_solid (imp, src_image, dst_image->bits.format); + + srca = src >> 24; + if (src == 0) + return; + + PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1); + PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint8_t, mask_stride, mask_line, 1); + + while (height--) + { + dst = dst_line; + dst_line += dst_stride; + mask = mask_line; + mask_line += mask_stride; + w = width; + + while (w--) + { + m = *mask++; + if (m == 0xff) + { + if (srca == 0xff) + *dst = src; + else + *dst = over (src, *dst); + } + else if (m) + { + d = in (src, m); + *dst = over (d, *dst); + } + dst++; + } + } +} + +static void +fast_composite_add_n_8888_8888_ca (pixman_implementation_t *imp, + pixman_op_t op, + pixman_image_t * src_image, + pixman_image_t * mask_image, + pixman_image_t * dst_image, + int32_t src_x, + int32_t src_y, + int32_t mask_x, + int32_t mask_y, + int32_t dest_x, + int32_t dest_y, + int32_t width, + int32_t height) +{ + uint32_t src, s; + uint32_t *dst_line, *dst, d; + uint32_t *mask_line, *mask, ma; + int dst_stride, mask_stride; + int32_t w; + + src = _pixman_image_get_solid (imp, src_image, dst_image->bits.format); + + if (src == 0) + return; + + PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1); + PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint32_t, mask_stride, mask_line, 1); + + while (height--) + { + dst = dst_line; + dst_line += dst_stride; + mask = mask_line; + mask_line += mask_stride; + w = width; + + while (w--) + { + ma = *mask++; + + if (ma) + { + d = *dst; + s = src; + + UN8x4_MUL_UN8x4_ADD_UN8x4 (s, ma, d); + + *dst = s; + } + + dst++; + } + } +} + +static void +fast_composite_over_n_8888_8888_ca (pixman_implementation_t *imp, + pixman_op_t op, + pixman_image_t * src_image, + pixman_image_t * mask_image, + pixman_image_t * dst_image, + int32_t src_x, + int32_t src_y, + int32_t mask_x, + int32_t mask_y, + int32_t dest_x, + int32_t dest_y, + int32_t width, + int32_t height) +{ + uint32_t src, srca, s; + uint32_t *dst_line, *dst, d; + uint32_t *mask_line, *mask, ma; + int dst_stride, mask_stride; + int32_t w; + + src = _pixman_image_get_solid (imp, src_image, dst_image->bits.format); + + srca = src >> 24; + if (src == 0) + return; + + PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1); + PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint32_t, mask_stride, mask_line, 1); + + while (height--) + { + dst = dst_line; + dst_line += dst_stride; + mask = mask_line; + mask_line += mask_stride; + w = width; + + while (w--) + { + ma = *mask++; + if (ma == 0xffffffff) + { + if (srca == 0xff) + *dst = src; + else + *dst = over (src, *dst); + } + else if (ma) + { + d = *dst; + s = src; + + UN8x4_MUL_UN8x4 (s, ma); + UN8x4_MUL_UN8 (ma, srca); + ma = ~ma; + UN8x4_MUL_UN8x4_ADD_UN8x4 (d, ma, s); + + *dst = d; + } + + dst++; + } + } +} + +static void +fast_composite_over_n_8_0888 (pixman_implementation_t *imp, + pixman_op_t op, + pixman_image_t * src_image, + pixman_image_t * mask_image, + pixman_image_t * dst_image, + int32_t src_x, + int32_t src_y, + int32_t mask_x, + int32_t mask_y, + int32_t dest_x, + int32_t dest_y, + int32_t width, + int32_t height) +{ + uint32_t src, srca; + uint8_t *dst_line, *dst; + uint32_t d; + uint8_t *mask_line, *mask, m; + int dst_stride, mask_stride; + int32_t w; + + src = _pixman_image_get_solid (imp, src_image, dst_image->bits.format); + + srca = src >> 24; + if (src == 0) + return; + + PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint8_t, dst_stride, dst_line, 3); + PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint8_t, mask_stride, mask_line, 1); + + while (height--) + { + dst = dst_line; + dst_line += dst_stride; + mask = mask_line; + mask_line += mask_stride; + w = width; + + while (w--) + { + m = *mask++; + if (m == 0xff) + { + if (srca == 0xff) + { + d = src; + } + else + { + d = fetch_24 (dst); + d = over (src, d); + } + store_24 (dst, d); + } + else if (m) + { + d = over (in (src, m), fetch_24 (dst)); + store_24 (dst, d); + } + dst += 3; + } + } +} + +static void +fast_composite_over_n_8_0565 (pixman_implementation_t *imp, + pixman_op_t op, + pixman_image_t * src_image, + pixman_image_t * mask_image, + pixman_image_t * dst_image, + int32_t src_x, + int32_t src_y, + int32_t mask_x, + int32_t mask_y, + int32_t dest_x, + int32_t dest_y, + int32_t width, + int32_t height) +{ + uint32_t src, srca; + uint16_t *dst_line, *dst; + uint32_t d; + uint8_t *mask_line, *mask, m; + int dst_stride, mask_stride; + int32_t w; + + src = _pixman_image_get_solid (imp, src_image, dst_image->bits.format); + + srca = src >> 24; + if (src == 0) + return; + + PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint16_t, dst_stride, dst_line, 1); + PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint8_t, mask_stride, mask_line, 1); + + while (height--) + { + dst = dst_line; + dst_line += dst_stride; + mask = mask_line; + mask_line += mask_stride; + w = width; + + while (w--) + { + m = *mask++; + if (m == 0xff) + { + if (srca == 0xff) + { + d = src; + } + else + { + d = *dst; + d = over (src, CONVERT_0565_TO_0888 (d)); + } + *dst = CONVERT_8888_TO_0565 (d); + } + else if (m) + { + d = *dst; + d = over (in (src, m), CONVERT_0565_TO_0888 (d)); + *dst = CONVERT_8888_TO_0565 (d); + } + dst++; + } + } +} + +static void +fast_composite_over_n_8888_0565_ca (pixman_implementation_t *imp, + pixman_op_t op, + pixman_image_t * src_image, + pixman_image_t * mask_image, + pixman_image_t * dst_image, + int32_t src_x, + int32_t src_y, + int32_t mask_x, + int32_t mask_y, + int32_t dest_x, + int32_t dest_y, + int32_t width, + int32_t height) +{ + uint32_t src, srca, s; + uint16_t src16; + uint16_t *dst_line, *dst; + uint32_t d; + uint32_t *mask_line, *mask, ma; + int dst_stride, mask_stride; + int32_t w; + + src = _pixman_image_get_solid (imp, src_image, dst_image->bits.format); + + srca = src >> 24; + if (src == 0) + return; + + src16 = CONVERT_8888_TO_0565 (src); + + PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint16_t, dst_stride, dst_line, 1); + PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint32_t, mask_stride, mask_line, 1); + + while (height--) + { + dst = dst_line; + dst_line += dst_stride; + mask = mask_line; + mask_line += mask_stride; + w = width; + + while (w--) + { + ma = *mask++; + if (ma == 0xffffffff) + { + if (srca == 0xff) + { + *dst = src16; + } + else + { + d = *dst; + d = over (src, CONVERT_0565_TO_0888 (d)); + *dst = CONVERT_8888_TO_0565 (d); + } + } + else if (ma) + { + d = *dst; + d = CONVERT_0565_TO_0888 (d); + + s = src; + + UN8x4_MUL_UN8x4 (s, ma); + UN8x4_MUL_UN8 (ma, srca); + ma = ~ma; + UN8x4_MUL_UN8x4_ADD_UN8x4 (d, ma, s); + + *dst = CONVERT_8888_TO_0565 (d); + } + dst++; + } + } +} + +static void +fast_composite_over_8888_8888 (pixman_implementation_t *imp, + pixman_op_t op, + pixman_image_t * src_image, + pixman_image_t * mask_image, + pixman_image_t * dst_image, + int32_t src_x, + int32_t src_y, + int32_t mask_x, + int32_t mask_y, + int32_t dest_x, + int32_t dest_y, + int32_t width, + int32_t height) +{ + uint32_t *dst_line, *dst; + uint32_t *src_line, *src, s; + int dst_stride, src_stride; + uint8_t a; + int32_t w; + + PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1); + PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1); + + while (height--) + { + dst = dst_line; + dst_line += dst_stride; + src = src_line; + src_line += src_stride; + w = width; + + while (w--) + { + s = *src++; + a = s >> 24; + if (a == 0xff) + *dst = s; + else if (s) + *dst = over (s, *dst); + dst++; + } + } +} + +static void +fast_composite_src_x888_8888 (pixman_implementation_t *imp, + pixman_op_t op, + pixman_image_t * src_image, + pixman_image_t * mask_image, + pixman_image_t * dst_image, + int32_t src_x, + int32_t src_y, + int32_t mask_x, + int32_t mask_y, + int32_t dest_x, + int32_t dest_y, + int32_t width, + int32_t height) +{ + uint32_t *dst_line, *dst; + uint32_t *src_line, *src; + int dst_stride, src_stride; + int32_t w; + + PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1); + PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1); + + while (height--) + { + dst = dst_line; + dst_line += dst_stride; + src = src_line; + src_line += src_stride; + w = width; + + while (w--) + *dst++ = (*src++) | 0xff000000; + } +} + +#if 0 +static void +fast_composite_over_8888_0888 (pixman_implementation_t *imp, + pixman_op_t op, + pixman_image_t * src_image, + pixman_image_t * mask_image, + pixman_image_t * dst_image, + int32_t src_x, + int32_t src_y, + int32_t mask_x, + int32_t mask_y, + int32_t dest_x, + int32_t dest_y, + int32_t width, + int32_t height) +{ + uint8_t *dst_line, *dst; + uint32_t d; + uint32_t *src_line, *src, s; + uint8_t a; + int dst_stride, src_stride; + int32_t w; + + PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint8_t, dst_stride, dst_line, 3); + PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1); + + while (height--) + { + dst = dst_line; + dst_line += dst_stride; + src = src_line; + src_line += src_stride; + w = width; + + while (w--) + { + s = *src++; + a = s >> 24; + if (a) + { + if (a == 0xff) + d = s; + else + d = over (s, fetch_24 (dst)); + + store_24 (dst, d); + } + dst += 3; + } + } +} +#endif + +static void +fast_composite_over_8888_0565 (pixman_implementation_t *imp, + pixman_op_t op, + pixman_image_t * src_image, + pixman_image_t * mask_image, + pixman_image_t * dst_image, + int32_t src_x, + int32_t src_y, + int32_t mask_x, + int32_t mask_y, + int32_t dest_x, + int32_t dest_y, + int32_t width, + int32_t height) +{ + uint16_t *dst_line, *dst; + uint32_t d; + uint32_t *src_line, *src, s; + uint8_t a; + int dst_stride, src_stride; + int32_t w; + + PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1); + PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint16_t, dst_stride, dst_line, 1); + + while (height--) + { + dst = dst_line; + dst_line += dst_stride; + src = src_line; + src_line += src_stride; + w = width; + + while (w--) + { + s = *src++; + a = s >> 24; + if (s) + { + if (a == 0xff) + { + d = s; + } + else + { + d = *dst; + d = over (s, CONVERT_0565_TO_0888 (d)); + } + *dst = CONVERT_8888_TO_0565 (d); + } + dst++; + } + } +} + +static void +fast_composite_src_x888_0565 (pixman_implementation_t *imp, + pixman_op_t op, + pixman_image_t * src_image, + pixman_image_t * mask_image, + pixman_image_t * dst_image, + int32_t src_x, + int32_t src_y, + int32_t mask_x, + int32_t mask_y, + int32_t dest_x, + int32_t dest_y, + int32_t width, + int32_t height) +{ + uint16_t *dst_line, *dst; + uint32_t *src_line, *src, s; + int dst_stride, src_stride; + int32_t w; + + PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1); + PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint16_t, dst_stride, dst_line, 1); + + while (height--) + { + dst = dst_line; + dst_line += dst_stride; + src = src_line; + src_line += src_stride; + w = width; + + while (w--) + { + s = *src++; + *dst = CONVERT_8888_TO_0565 (s); + dst++; + } + } +} + +static void +fast_composite_add_8_8 (pixman_implementation_t *imp, + pixman_op_t op, + pixman_image_t * src_image, + pixman_image_t * mask_image, + pixman_image_t * dst_image, + int32_t src_x, + int32_t src_y, + int32_t mask_x, + int32_t mask_y, + int32_t dest_x, + int32_t dest_y, + int32_t width, + int32_t height) +{ + uint8_t *dst_line, *dst; + uint8_t *src_line, *src; + int dst_stride, src_stride; + int32_t w; + uint8_t s, d; + uint16_t t; + + PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint8_t, src_stride, src_line, 1); + PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint8_t, dst_stride, dst_line, 1); + + while (height--) + { + dst = dst_line; + dst_line += dst_stride; + src = src_line; + src_line += src_stride; + w = width; + + while (w--) + { + s = *src++; + if (s) + { + if (s != 0xff) + { + d = *dst; + t = d + s; + s = t | (0 - (t >> 8)); + } + *dst = s; + } + dst++; + } + } +} + +static void +fast_composite_add_8888_8888 (pixman_implementation_t *imp, + pixman_op_t op, + pixman_image_t * src_image, + pixman_image_t * mask_image, + pixman_image_t * dst_image, + int32_t src_x, + int32_t src_y, + int32_t mask_x, + int32_t mask_y, + int32_t dest_x, + int32_t dest_y, + int32_t width, + int32_t height) +{ + uint32_t *dst_line, *dst; + uint32_t *src_line, *src; + int dst_stride, src_stride; + int32_t w; + uint32_t s, d; + + PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1); + PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1); + + while (height--) + { + dst = dst_line; + dst_line += dst_stride; + src = src_line; + src_line += src_stride; + w = width; + + while (w--) + { + s = *src++; + if (s) + { + if (s != 0xffffffff) + { + d = *dst; + if (d) + UN8x4_ADD_UN8x4 (s, d); + } + *dst = s; + } + dst++; + } + } +} + +static void +fast_composite_add_n_8_8 (pixman_implementation_t *imp, + pixman_op_t op, + pixman_image_t * src_image, + pixman_image_t * mask_image, + pixman_image_t * dst_image, + int32_t src_x, + int32_t src_y, + int32_t mask_x, + int32_t mask_y, + int32_t dest_x, + int32_t dest_y, + int32_t width, + int32_t height) +{ + uint8_t *dst_line, *dst; + uint8_t *mask_line, *mask; + int dst_stride, mask_stride; + int32_t w; + uint32_t src; + uint8_t sa; + + PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint8_t, dst_stride, dst_line, 1); + PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint8_t, mask_stride, mask_line, 1); + src = _pixman_image_get_solid (imp, src_image, dst_image->bits.format); + sa = (src >> 24); + + while (height--) + { + dst = dst_line; + dst_line += dst_stride; + mask = mask_line; + mask_line += mask_stride; + w = width; + + while (w--) + { + uint16_t tmp; + uint16_t a; + uint32_t m, d; + uint32_t r; + + a = *mask++; + d = *dst; + + m = MUL_UN8 (sa, a, tmp); + r = ADD_UN8 (m, d, tmp); + + *dst++ = r; + } + } +} + +#ifdef WORDS_BIGENDIAN +#define CREATE_BITMASK(n) (0x80000000 >> (n)) +#define UPDATE_BITMASK(n) ((n) >> 1) +#else +#define CREATE_BITMASK(n) (1 << (n)) +#define UPDATE_BITMASK(n) ((n) << 1) +#endif + +#define TEST_BIT(p, n) \ + (*((p) + ((n) >> 5)) & CREATE_BITMASK ((n) & 31)) +#define SET_BIT(p, n) \ + do { *((p) + ((n) >> 5)) |= CREATE_BITMASK ((n) & 31); } while (0); + +static void +fast_composite_add_1000_1000 (pixman_implementation_t *imp, + pixman_op_t op, + pixman_image_t * src_image, + pixman_image_t * mask_image, + pixman_image_t * dst_image, + int32_t src_x, + int32_t src_y, + int32_t mask_x, + int32_t mask_y, + int32_t dest_x, + int32_t dest_y, + int32_t width, + int32_t height) +{ + uint32_t *dst_line, *dst; + uint32_t *src_line, *src; + int dst_stride, src_stride; + int32_t w; + + PIXMAN_IMAGE_GET_LINE (src_image, 0, src_y, uint32_t, + src_stride, src_line, 1); + PIXMAN_IMAGE_GET_LINE (dst_image, 0, dest_y, uint32_t, + dst_stride, dst_line, 1); + + while (height--) + { + dst = dst_line; + dst_line += dst_stride; + src = src_line; + src_line += src_stride; + w = width; + + while (w--) + { + /* + * TODO: improve performance by processing uint32_t data instead + * of individual bits + */ + if (TEST_BIT (src, src_x + w)) + SET_BIT (dst, dest_x + w); + } + } +} + +static void +fast_composite_over_n_1_8888 (pixman_implementation_t *imp, + pixman_op_t op, + pixman_image_t * src_image, + pixman_image_t * mask_image, + pixman_image_t * dst_image, + int32_t src_x, + int32_t src_y, + int32_t mask_x, + int32_t mask_y, + int32_t dest_x, + int32_t dest_y, + int32_t width, + int32_t height) +{ + uint32_t src, srca; + uint32_t *dst, *dst_line; + uint32_t *mask, *mask_line; + int mask_stride, dst_stride; + uint32_t bitcache, bitmask; + int32_t w; + + if (width <= 0) + return; + + src = _pixman_image_get_solid (imp, src_image, dst_image->bits.format); + srca = src >> 24; + if (src == 0) + return; + + PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint32_t, + dst_stride, dst_line, 1); + PIXMAN_IMAGE_GET_LINE (mask_image, 0, mask_y, uint32_t, + mask_stride, mask_line, 1); + mask_line += mask_x >> 5; + + if (srca == 0xff) + { + while (height--) + { + dst = dst_line; + dst_line += dst_stride; + mask = mask_line; + mask_line += mask_stride; + w = width; + + bitcache = *mask++; + bitmask = CREATE_BITMASK (mask_x & 31); + + while (w--) + { + if (bitmask == 0) + { + bitcache = *mask++; + bitmask = CREATE_BITMASK (0); + } + if (bitcache & bitmask) + *dst = src; + bitmask = UPDATE_BITMASK (bitmask); + dst++; + } + } + } + else + { + while (height--) + { + dst = dst_line; + dst_line += dst_stride; + mask = mask_line; + mask_line += mask_stride; + w = width; + + bitcache = *mask++; + bitmask = CREATE_BITMASK (mask_x & 31); + + while (w--) + { + if (bitmask == 0) + { + bitcache = *mask++; + bitmask = CREATE_BITMASK (0); + } + if (bitcache & bitmask) + *dst = over (src, *dst); + bitmask = UPDATE_BITMASK (bitmask); + dst++; + } + } + } +} + +static void +fast_composite_over_n_1_0565 (pixman_implementation_t *imp, + pixman_op_t op, + pixman_image_t * src_image, + pixman_image_t * mask_image, + pixman_image_t * dst_image, + int32_t src_x, + int32_t src_y, + int32_t mask_x, + int32_t mask_y, + int32_t dest_x, + int32_t dest_y, + int32_t width, + int32_t height) +{ + uint32_t src, srca; + uint16_t *dst, *dst_line; + uint32_t *mask, *mask_line; + int mask_stride, dst_stride; + uint32_t bitcache, bitmask; + int32_t w; + uint32_t d; + uint16_t src565; + + if (width <= 0) + return; + + src = _pixman_image_get_solid (imp, src_image, dst_image->bits.format); + srca = src >> 24; + if (src == 0) + return; + + PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint16_t, + dst_stride, dst_line, 1); + PIXMAN_IMAGE_GET_LINE (mask_image, 0, mask_y, uint32_t, + mask_stride, mask_line, 1); + mask_line += mask_x >> 5; + + if (srca == 0xff) + { + src565 = CONVERT_8888_TO_0565 (src); + while (height--) + { + dst = dst_line; + dst_line += dst_stride; + mask = mask_line; + mask_line += mask_stride; + w = width; + + bitcache = *mask++; + bitmask = CREATE_BITMASK (mask_x & 31); + + while (w--) + { + if (bitmask == 0) + { + bitcache = *mask++; + bitmask = CREATE_BITMASK (0); + } + if (bitcache & bitmask) + *dst = src565; + bitmask = UPDATE_BITMASK (bitmask); + dst++; + } + } + } + else + { + while (height--) + { + dst = dst_line; + dst_line += dst_stride; + mask = mask_line; + mask_line += mask_stride; + w = width; + + bitcache = *mask++; + bitmask = CREATE_BITMASK (mask_x & 31); + + while (w--) + { + if (bitmask == 0) + { + bitcache = *mask++; + bitmask = CREATE_BITMASK (0); + } + if (bitcache & bitmask) + { + d = over (src, CONVERT_0565_TO_0888 (*dst)); + *dst = CONVERT_8888_TO_0565 (d); + } + bitmask = UPDATE_BITMASK (bitmask); + dst++; + } + } + } +} + +/* + * Simple bitblt + */ + +static void +fast_composite_solid_fill (pixman_implementation_t *imp, + pixman_op_t op, + pixman_image_t * src_image, + pixman_image_t * mask_image, + pixman_image_t * dst_image, + int32_t src_x, + int32_t src_y, + int32_t mask_x, + int32_t mask_y, + int32_t dest_x, + int32_t dest_y, + int32_t width, + int32_t height) +{ + uint32_t src; + + src = _pixman_image_get_solid (imp, src_image, dst_image->bits.format); + + if (dst_image->bits.format == PIXMAN_a1) + { + src = src >> 31; + } + else if (dst_image->bits.format == PIXMAN_a8) + { + src = src >> 24; + } + else if (dst_image->bits.format == PIXMAN_r5g6b5 || + dst_image->bits.format == PIXMAN_b5g6r5) + { + src = CONVERT_8888_TO_0565 (src); + } + + pixman_fill (dst_image->bits.bits, dst_image->bits.rowstride, + PIXMAN_FORMAT_BPP (dst_image->bits.format), + dest_x, dest_y, + width, height, + src); +} + +static void +fast_composite_src_memcpy (pixman_implementation_t *imp, + pixman_op_t op, + pixman_image_t * src_image, + pixman_image_t * mask_image, + pixman_image_t * dst_image, + int32_t src_x, + int32_t src_y, + int32_t mask_x, + int32_t mask_y, + int32_t dest_x, + int32_t dest_y, + int32_t width, + int32_t height) +{ + int bpp = PIXMAN_FORMAT_BPP (dst_image->bits.format) / 8; + uint32_t n_bytes = width * bpp; + int dst_stride, src_stride; + uint8_t *dst; + uint8_t *src; + + src_stride = src_image->bits.rowstride * 4; + dst_stride = dst_image->bits.rowstride * 4; + + src = (uint8_t *)src_image->bits.bits + src_y * src_stride + src_x * bpp; + dst = (uint8_t *)dst_image->bits.bits + dest_y * dst_stride + dest_x * bpp; + + while (height--) + { + memcpy (dst, src, n_bytes); + + dst += dst_stride; + src += src_stride; + } +} + +FAST_NEAREST (8888_8888_cover, 8888, 8888, uint32_t, uint32_t, SRC, COVER) +FAST_NEAREST (8888_8888_none, 8888, 8888, uint32_t, uint32_t, SRC, NONE) +FAST_NEAREST (8888_8888_pad, 8888, 8888, uint32_t, uint32_t, SRC, PAD) +FAST_NEAREST (8888_8888_normal, 8888, 8888, uint32_t, uint32_t, SRC, NORMAL) +FAST_NEAREST (8888_8888_cover, 8888, 8888, uint32_t, uint32_t, OVER, COVER) +FAST_NEAREST (8888_8888_none, 8888, 8888, uint32_t, uint32_t, OVER, NONE) +FAST_NEAREST (8888_8888_pad, 8888, 8888, uint32_t, uint32_t, OVER, PAD) +FAST_NEAREST (8888_8888_normal, 8888, 8888, uint32_t, uint32_t, OVER, NORMAL) +FAST_NEAREST (8888_565_cover, 8888, 0565, uint32_t, uint16_t, SRC, COVER) +FAST_NEAREST (8888_565_none, 8888, 0565, uint32_t, uint16_t, SRC, NONE) +FAST_NEAREST (8888_565_pad, 8888, 0565, uint32_t, uint16_t, SRC, PAD) +FAST_NEAREST (8888_565_normal, 8888, 0565, uint32_t, uint16_t, SRC, NORMAL) +FAST_NEAREST (565_565_normal, 0565, 0565, uint16_t, uint16_t, SRC, NORMAL) +FAST_NEAREST (8888_565_cover, 8888, 0565, uint32_t, uint16_t, OVER, COVER) +FAST_NEAREST (8888_565_none, 8888, 0565, uint32_t, uint16_t, OVER, NONE) +FAST_NEAREST (8888_565_pad, 8888, 0565, uint32_t, uint16_t, OVER, PAD) +FAST_NEAREST (8888_565_normal, 8888, 0565, uint32_t, uint16_t, OVER, NORMAL) + +/* Use more unrolling for src_0565_0565 because it is typically CPU bound */ +static force_inline void +scaled_nearest_scanline_565_565_SRC (uint16_t * dst, + uint16_t * src, + int32_t w, + pixman_fixed_t vx, + pixman_fixed_t unit_x, + pixman_fixed_t max_vx) +{ + uint16_t tmp1, tmp2, tmp3, tmp4; + while ((w -= 4) >= 0) + { + tmp1 = src[pixman_fixed_to_int (vx)]; + vx += unit_x; + tmp2 = src[pixman_fixed_to_int (vx)]; + vx += unit_x; + tmp3 = src[pixman_fixed_to_int (vx)]; + vx += unit_x; + tmp4 = src[pixman_fixed_to_int (vx)]; + vx += unit_x; + *dst++ = tmp1; + *dst++ = tmp2; + *dst++ = tmp3; + *dst++ = tmp4; + } + if (w & 2) + { + tmp1 = src[pixman_fixed_to_int (vx)]; + vx += unit_x; + tmp2 = src[pixman_fixed_to_int (vx)]; + vx += unit_x; + *dst++ = tmp1; + *dst++ = tmp2; + } + if (w & 1) + *dst++ = src[pixman_fixed_to_int (vx)]; +} + +FAST_NEAREST_MAINLOOP (565_565_cover_SRC, + scaled_nearest_scanline_565_565_SRC, + uint16_t, uint16_t, COVER) +FAST_NEAREST_MAINLOOP (565_565_none_SRC, + scaled_nearest_scanline_565_565_SRC, + uint16_t, uint16_t, NONE) +FAST_NEAREST_MAINLOOP (565_565_pad_SRC, + scaled_nearest_scanline_565_565_SRC, + uint16_t, uint16_t, PAD) + +static force_inline uint32_t +fetch_nearest (pixman_repeat_t src_repeat, + pixman_format_code_t format, + uint32_t *src, int x, int src_width) +{ + if (repeat (src_repeat, &x, src_width)) + { + if (format == PIXMAN_x8r8g8b8) + return *(src + x) | 0xff000000; + else + return *(src + x); + } + else + { + return 0; + } +} + +static force_inline void +combine_over (uint32_t s, uint32_t *dst) +{ + if (s) + { + uint8_t ia = 0xff - (s >> 24); + + if (ia) + UN8x4_MUL_UN8_ADD_UN8x4 (*dst, ia, s); + else + *dst = s; + } +} + +static force_inline void +combine_src (uint32_t s, uint32_t *dst) +{ + *dst = s; +} + +static void +fast_composite_scaled_nearest (pixman_implementation_t *imp, + pixman_op_t op, + pixman_image_t * src_image, + pixman_image_t * mask_image, + pixman_image_t * dst_image, + int32_t src_x, + int32_t src_y, + int32_t mask_x, + int32_t mask_y, + int32_t dest_x, + int32_t dest_y, + int32_t width, + int32_t height) +{ + uint32_t *dst_line; + uint32_t *src_line; + int dst_stride, src_stride; + int src_width, src_height; + pixman_repeat_t src_repeat; + pixman_fixed_t unit_x, unit_y; + pixman_format_code_t src_format; + pixman_vector_t v; + pixman_fixed_t vy; + + PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1); + /* pass in 0 instead of src_x and src_y because src_x and src_y need to be + * transformed from destination space to source space + */ + PIXMAN_IMAGE_GET_LINE (src_image, 0, 0, uint32_t, src_stride, src_line, 1); + + /* reference point is the center of the pixel */ + v.vector[0] = pixman_int_to_fixed (src_x) + pixman_fixed_1 / 2; + v.vector[1] = pixman_int_to_fixed (src_y) + pixman_fixed_1 / 2; + v.vector[2] = pixman_fixed_1; + + if (!pixman_transform_point_3d (src_image->common.transform, &v)) + return; + + unit_x = src_image->common.transform->matrix[0][0]; + unit_y = src_image->common.transform->matrix[1][1]; + + /* Round down to closest integer, ensuring that 0.5 rounds to 0, not 1 */ + v.vector[0] -= pixman_fixed_e; + v.vector[1] -= pixman_fixed_e; + + src_height = src_image->bits.height; + src_width = src_image->bits.width; + src_repeat = src_image->common.repeat; + src_format = src_image->bits.format; + + vy = v.vector[1]; + while (height--) + { + pixman_fixed_t vx = v.vector[0]; + int y = pixman_fixed_to_int (vy); + uint32_t *dst = dst_line; + + dst_line += dst_stride; + + /* adjust the y location by a unit vector in the y direction + * this is equivalent to transforming y+1 of the destination point to source space */ + vy += unit_y; + + if (!repeat (src_repeat, &y, src_height)) + { + if (op == PIXMAN_OP_SRC) + memset (dst, 0, sizeof (*dst) * width); + } + else + { + int w = width; + + uint32_t *src = src_line + y * src_stride; + + while (w >= 2) + { + uint32_t s1, s2; + int x1, x2; + + x1 = pixman_fixed_to_int (vx); + vx += unit_x; + + x2 = pixman_fixed_to_int (vx); + vx += unit_x; + + w -= 2; + + s1 = fetch_nearest (src_repeat, src_format, src, x1, src_width); + s2 = fetch_nearest (src_repeat, src_format, src, x2, src_width); + + if (op == PIXMAN_OP_OVER) + { + combine_over (s1, dst++); + combine_over (s2, dst++); + } + else + { + combine_src (s1, dst++); + combine_src (s2, dst++); + } + } + + while (w--) + { + uint32_t s; + int x; + + x = pixman_fixed_to_int (vx); + vx += unit_x; + + s = fetch_nearest (src_repeat, src_format, src, x, src_width); + + if (op == PIXMAN_OP_OVER) + combine_over (s, dst++); + else + combine_src (s, dst++); + } + } + } +} + +static const pixman_fast_path_t c_fast_paths[] = +{ + PIXMAN_STD_FAST_PATH (OVER, solid, a8, r5g6b5, fast_composite_over_n_8_0565), + PIXMAN_STD_FAST_PATH (OVER, solid, a8, b5g6r5, fast_composite_over_n_8_0565), + PIXMAN_STD_FAST_PATH (OVER, solid, a8, r8g8b8, fast_composite_over_n_8_0888), + PIXMAN_STD_FAST_PATH (OVER, solid, a8, b8g8r8, fast_composite_over_n_8_0888), + PIXMAN_STD_FAST_PATH (OVER, solid, a8, a8r8g8b8, fast_composite_over_n_8_8888), + PIXMAN_STD_FAST_PATH (OVER, solid, a8, x8r8g8b8, fast_composite_over_n_8_8888), + PIXMAN_STD_FAST_PATH (OVER, solid, a8, a8b8g8r8, fast_composite_over_n_8_8888), + PIXMAN_STD_FAST_PATH (OVER, solid, a8, x8b8g8r8, fast_composite_over_n_8_8888), + PIXMAN_STD_FAST_PATH (OVER, solid, a1, a8r8g8b8, fast_composite_over_n_1_8888), + PIXMAN_STD_FAST_PATH (OVER, solid, a1, x8r8g8b8, fast_composite_over_n_1_8888), + PIXMAN_STD_FAST_PATH (OVER, solid, a1, a8b8g8r8, fast_composite_over_n_1_8888), + PIXMAN_STD_FAST_PATH (OVER, solid, a1, x8b8g8r8, fast_composite_over_n_1_8888), + PIXMAN_STD_FAST_PATH (OVER, solid, a1, r5g6b5, fast_composite_over_n_1_0565), + PIXMAN_STD_FAST_PATH (OVER, solid, a1, b5g6r5, fast_composite_over_n_1_0565), + PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8r8g8b8, a8r8g8b8, fast_composite_over_n_8888_8888_ca), + PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8r8g8b8, x8r8g8b8, fast_composite_over_n_8888_8888_ca), + PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8r8g8b8, r5g6b5, fast_composite_over_n_8888_0565_ca), + PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8b8g8r8, a8b8g8r8, fast_composite_over_n_8888_8888_ca), + PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8b8g8r8, x8b8g8r8, fast_composite_over_n_8888_8888_ca), + PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8b8g8r8, b5g6r5, fast_composite_over_n_8888_0565_ca), + PIXMAN_STD_FAST_PATH (OVER, x8r8g8b8, a8, x8r8g8b8, fast_composite_over_x888_8_8888), + PIXMAN_STD_FAST_PATH (OVER, x8r8g8b8, a8, a8r8g8b8, fast_composite_over_x888_8_8888), + PIXMAN_STD_FAST_PATH (OVER, x8b8g8r8, a8, x8b8g8r8, fast_composite_over_x888_8_8888), + PIXMAN_STD_FAST_PATH (OVER, x8b8g8r8, a8, a8b8g8r8, fast_composite_over_x888_8_8888), + PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, null, a8r8g8b8, fast_composite_over_8888_8888), + PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, null, x8r8g8b8, fast_composite_over_8888_8888), + PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, null, r5g6b5, fast_composite_over_8888_0565), + PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, null, a8b8g8r8, fast_composite_over_8888_8888), + PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, null, x8b8g8r8, fast_composite_over_8888_8888), + PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, null, b5g6r5, fast_composite_over_8888_0565), + PIXMAN_STD_FAST_PATH (ADD, a8r8g8b8, null, a8r8g8b8, fast_composite_add_8888_8888), + PIXMAN_STD_FAST_PATH (ADD, a8b8g8r8, null, a8b8g8r8, fast_composite_add_8888_8888), + PIXMAN_STD_FAST_PATH (ADD, a8, null, a8, fast_composite_add_8_8), + PIXMAN_STD_FAST_PATH (ADD, a1, null, a1, fast_composite_add_1000_1000), + PIXMAN_STD_FAST_PATH_CA (ADD, solid, a8r8g8b8, a8r8g8b8, fast_composite_add_n_8888_8888_ca), + PIXMAN_STD_FAST_PATH (ADD, solid, a8, a8, fast_composite_add_n_8_8), + PIXMAN_STD_FAST_PATH (SRC, solid, null, a8r8g8b8, fast_composite_solid_fill), + PIXMAN_STD_FAST_PATH (SRC, solid, null, x8r8g8b8, fast_composite_solid_fill), + PIXMAN_STD_FAST_PATH (SRC, solid, null, a8b8g8r8, fast_composite_solid_fill), + PIXMAN_STD_FAST_PATH (SRC, solid, null, x8b8g8r8, fast_composite_solid_fill), + PIXMAN_STD_FAST_PATH (SRC, solid, null, a1, fast_composite_solid_fill), + PIXMAN_STD_FAST_PATH (SRC, solid, null, a8, fast_composite_solid_fill), + PIXMAN_STD_FAST_PATH (SRC, solid, null, r5g6b5, fast_composite_solid_fill), + PIXMAN_STD_FAST_PATH (SRC, x8r8g8b8, null, a8r8g8b8, fast_composite_src_x888_8888), + PIXMAN_STD_FAST_PATH (SRC, x8b8g8r8, null, a8b8g8r8, fast_composite_src_x888_8888), + PIXMAN_STD_FAST_PATH (SRC, a8r8g8b8, null, x8r8g8b8, fast_composite_src_memcpy), + PIXMAN_STD_FAST_PATH (SRC, a8r8g8b8, null, a8r8g8b8, fast_composite_src_memcpy), + PIXMAN_STD_FAST_PATH (SRC, x8r8g8b8, null, x8r8g8b8, fast_composite_src_memcpy), + PIXMAN_STD_FAST_PATH (SRC, a8b8g8r8, null, x8b8g8r8, fast_composite_src_memcpy), + PIXMAN_STD_FAST_PATH (SRC, a8b8g8r8, null, a8b8g8r8, fast_composite_src_memcpy), + PIXMAN_STD_FAST_PATH (SRC, x8b8g8r8, null, x8b8g8r8, fast_composite_src_memcpy), + PIXMAN_STD_FAST_PATH (SRC, b8g8r8a8, null, b8g8r8x8, fast_composite_src_memcpy), + PIXMAN_STD_FAST_PATH (SRC, b8g8r8a8, null, b8g8r8a8, fast_composite_src_memcpy), + PIXMAN_STD_FAST_PATH (SRC, b8g8r8x8, null, b8g8r8x8, fast_composite_src_memcpy), + PIXMAN_STD_FAST_PATH (SRC, r5g6b5, null, r5g6b5, fast_composite_src_memcpy), + PIXMAN_STD_FAST_PATH (SRC, b5g6r5, null, b5g6r5, fast_composite_src_memcpy), + PIXMAN_STD_FAST_PATH (SRC, r8g8b8, null, r8g8b8, fast_composite_src_memcpy), + PIXMAN_STD_FAST_PATH (SRC, b8g8r8, null, b8g8r8, fast_composite_src_memcpy), + PIXMAN_STD_FAST_PATH (SRC, x1r5g5b5, null, x1r5g5b5, fast_composite_src_memcpy), + PIXMAN_STD_FAST_PATH (SRC, a1r5g5b5, null, x1r5g5b5, fast_composite_src_memcpy), + PIXMAN_STD_FAST_PATH (SRC, a8, null, a8, fast_composite_src_memcpy), + PIXMAN_STD_FAST_PATH (SRC, a8r8g8b8, null, r5g6b5, fast_composite_src_x888_0565), + PIXMAN_STD_FAST_PATH (SRC, x8r8g8b8, null, r5g6b5, fast_composite_src_x888_0565), + PIXMAN_STD_FAST_PATH (SRC, a8b8g8r8, null, b5g6r5, fast_composite_src_x888_0565), + PIXMAN_STD_FAST_PATH (SRC, x8b8g8r8, null, b5g6r5, fast_composite_src_x888_0565), + PIXMAN_STD_FAST_PATH (IN, a8, null, a8, fast_composite_in_8_8), + PIXMAN_STD_FAST_PATH (IN, solid, a8, a8, fast_composite_in_n_8_8), + + SIMPLE_NEAREST_FAST_PATH (SRC, x8r8g8b8, x8r8g8b8, 8888_8888), + SIMPLE_NEAREST_FAST_PATH (SRC, a8r8g8b8, x8r8g8b8, 8888_8888), + SIMPLE_NEAREST_FAST_PATH (SRC, x8b8g8r8, x8b8g8r8, 8888_8888), + SIMPLE_NEAREST_FAST_PATH (SRC, a8b8g8r8, x8b8g8r8, 8888_8888), + + SIMPLE_NEAREST_FAST_PATH (SRC, a8r8g8b8, a8r8g8b8, 8888_8888), + SIMPLE_NEAREST_FAST_PATH (SRC, a8b8g8r8, a8b8g8r8, 8888_8888), + + SIMPLE_NEAREST_FAST_PATH (SRC, x8r8g8b8, r5g6b5, 8888_565), + SIMPLE_NEAREST_FAST_PATH (SRC, a8r8g8b8, r5g6b5, 8888_565), + + SIMPLE_NEAREST_FAST_PATH (SRC, r5g6b5, r5g6b5, 565_565), + + SIMPLE_NEAREST_FAST_PATH (OVER, a8r8g8b8, x8r8g8b8, 8888_8888), + SIMPLE_NEAREST_FAST_PATH (OVER, a8b8g8r8, x8b8g8r8, 8888_8888), + SIMPLE_NEAREST_FAST_PATH (OVER, a8r8g8b8, a8r8g8b8, 8888_8888), + SIMPLE_NEAREST_FAST_PATH (OVER, a8b8g8r8, a8b8g8r8, 8888_8888), + + SIMPLE_NEAREST_FAST_PATH (OVER, a8r8g8b8, r5g6b5, 8888_565), + +#define NEAREST_FAST_PATH(op,s,d) \ + { PIXMAN_OP_ ## op, \ + PIXMAN_ ## s, SCALED_NEAREST_FLAGS, \ + PIXMAN_null, 0, \ + PIXMAN_ ## d, FAST_PATH_STD_DEST_FLAGS, \ + fast_composite_scaled_nearest, \ + } + + NEAREST_FAST_PATH (SRC, x8r8g8b8, x8r8g8b8), + NEAREST_FAST_PATH (SRC, a8r8g8b8, x8r8g8b8), + NEAREST_FAST_PATH (SRC, x8b8g8r8, x8b8g8r8), + NEAREST_FAST_PATH (SRC, a8b8g8r8, x8b8g8r8), + + NEAREST_FAST_PATH (SRC, x8r8g8b8, a8r8g8b8), + NEAREST_FAST_PATH (SRC, a8r8g8b8, a8r8g8b8), + NEAREST_FAST_PATH (SRC, x8b8g8r8, a8b8g8r8), + NEAREST_FAST_PATH (SRC, a8b8g8r8, a8b8g8r8), + + NEAREST_FAST_PATH (OVER, x8r8g8b8, x8r8g8b8), + NEAREST_FAST_PATH (OVER, a8r8g8b8, x8r8g8b8), + NEAREST_FAST_PATH (OVER, x8b8g8r8, x8b8g8r8), + NEAREST_FAST_PATH (OVER, a8b8g8r8, x8b8g8r8), + + NEAREST_FAST_PATH (OVER, x8r8g8b8, a8r8g8b8), + NEAREST_FAST_PATH (OVER, a8r8g8b8, a8r8g8b8), + NEAREST_FAST_PATH (OVER, x8b8g8r8, a8b8g8r8), + NEAREST_FAST_PATH (OVER, a8b8g8r8, a8b8g8r8), + + { PIXMAN_OP_NONE }, +}; + +#ifdef WORDS_BIGENDIAN +#define A1_FILL_MASK(n, offs) (((1 << (n)) - 1) << (32 - (offs) - (n))) +#else +#define A1_FILL_MASK(n, offs) (((1 << (n)) - 1) << (offs)) +#endif + +static force_inline void +pixman_fill1_line (uint32_t *dst, int offs, int width, int v) +{ + if (offs) + { + int leading_pixels = 32 - offs; + if (leading_pixels >= width) + { + if (v) + *dst |= A1_FILL_MASK (width, offs); + else + *dst &= ~A1_FILL_MASK (width, offs); + return; + } + else + { + if (v) + *dst++ |= A1_FILL_MASK (leading_pixels, offs); + else + *dst++ &= ~A1_FILL_MASK (leading_pixels, offs); + width -= leading_pixels; + } + } + while (width >= 32) + { + if (v) + *dst++ = 0xFFFFFFFF; + else + *dst++ = 0; + width -= 32; + } + if (width > 0) + { + if (v) + *dst |= A1_FILL_MASK (width, 0); + else + *dst &= ~A1_FILL_MASK (width, 0); + } +} + +static void +pixman_fill1 (uint32_t *bits, + int stride, + int x, + int y, + int width, + int height, + uint32_t xor) +{ + uint32_t *dst = bits + y * stride + (x >> 5); + int offs = x & 31; + + if (xor & 1) + { + while (height--) + { + pixman_fill1_line (dst, offs, width, 1); + dst += stride; + } + } + else + { + while (height--) + { + pixman_fill1_line (dst, offs, width, 0); + dst += stride; + } + } +} + +static void +pixman_fill8 (uint32_t *bits, + int stride, + int x, + int y, + int width, + int height, + uint32_t xor) +{ + int byte_stride = stride * (int) sizeof (uint32_t); + uint8_t *dst = (uint8_t *) bits; + uint8_t v = xor & 0xff; + int i; + + dst = dst + y * byte_stride + x; + + while (height--) + { + for (i = 0; i < width; ++i) + dst[i] = v; + + dst += byte_stride; + } +} + +static void +pixman_fill16 (uint32_t *bits, + int stride, + int x, + int y, + int width, + int height, + uint32_t xor) +{ + int short_stride = + (stride * (int)sizeof (uint32_t)) / (int)sizeof (uint16_t); + uint16_t *dst = (uint16_t *)bits; + uint16_t v = xor & 0xffff; + int i; + + dst = dst + y * short_stride + x; + + while (height--) + { + for (i = 0; i < width; ++i) + dst[i] = v; + + dst += short_stride; + } +} + +static void +pixman_fill32 (uint32_t *bits, + int stride, + int x, + int y, + int width, + int height, + uint32_t xor) +{ + int i; + + bits = bits + y * stride + x; + + while (height--) + { + for (i = 0; i < width; ++i) + bits[i] = xor; + + bits += stride; + } +} + +static pixman_bool_t +fast_path_fill (pixman_implementation_t *imp, + uint32_t * bits, + int stride, + int bpp, + int x, + int y, + int width, + int height, + uint32_t xor) +{ + switch (bpp) + { + case 1: + pixman_fill1 (bits, stride, x, y, width, height, xor); + break; + + case 8: + pixman_fill8 (bits, stride, x, y, width, height, xor); + break; + + case 16: + pixman_fill16 (bits, stride, x, y, width, height, xor); + break; + + case 32: + pixman_fill32 (bits, stride, x, y, width, height, xor); + break; + + default: + return _pixman_implementation_fill ( + imp->delegate, bits, stride, bpp, x, y, width, height, xor); + break; + } + + return TRUE; +} + +pixman_implementation_t * +_pixman_implementation_create_fast_path (pixman_implementation_t *fallback) +{ + pixman_implementation_t *imp = _pixman_implementation_create (fallback, c_fast_paths); + + imp->fill = fast_path_fill; + + return imp; +} diff --git a/pixman/pixman/pixman-mmx.c b/pixman/pixman/pixman-mmx.c index 6daa364fb..027234773 100644 --- a/pixman/pixman/pixman-mmx.c +++ b/pixman/pixman/pixman-mmx.c @@ -3340,10 +3340,9 @@ mmx_fill (pixman_implementation_t *imp, } pixman_implementation_t * -_pixman_implementation_create_mmx (void) +_pixman_implementation_create_mmx (pixman_implementation_t *fallback) { - pixman_implementation_t *general = _pixman_implementation_create_fast_path (); - pixman_implementation_t *imp = _pixman_implementation_create (general, mmx_fast_paths); + pixman_implementation_t *imp = _pixman_implementation_create (fallback, mmx_fast_paths); imp->combine_32[PIXMAN_OP_OVER] = mmx_combine_over_u; imp->combine_32[PIXMAN_OP_OVER_REVERSE] = mmx_combine_over_reverse_u; diff --git a/pixman/pixman/pixman-private.h b/pixman/pixman/pixman-private.h index 1662d2c46..664260b9f 100644 --- a/pixman/pixman/pixman-private.h +++ b/pixman/pixman/pixman-private.h @@ -534,31 +534,31 @@ pixman_implementation_t * _pixman_implementation_create_general (void); pixman_implementation_t * -_pixman_implementation_create_fast_path (void); +_pixman_implementation_create_fast_path (pixman_implementation_t *fallback); #ifdef USE_MMX pixman_implementation_t * -_pixman_implementation_create_mmx (void); +_pixman_implementation_create_mmx (pixman_implementation_t *fallback); #endif #ifdef USE_SSE2 pixman_implementation_t * -_pixman_implementation_create_sse2 (void); +_pixman_implementation_create_sse2 (pixman_implementation_t *fallback); #endif #ifdef USE_ARM_SIMD pixman_implementation_t * -_pixman_implementation_create_arm_simd (void); +_pixman_implementation_create_arm_simd (pixman_implementation_t *fallback); #endif #ifdef USE_ARM_NEON pixman_implementation_t * -_pixman_implementation_create_arm_neon (void); +_pixman_implementation_create_arm_neon (pixman_implementation_t *fallback); #endif #ifdef USE_VMX pixman_implementation_t * -_pixman_implementation_create_vmx (void); +_pixman_implementation_create_vmx (pixman_implementation_t *fallback); #endif pixman_implementation_t * diff --git a/pixman/pixman/pixman-sse2.c b/pixman/pixman/pixman-sse2.c index 3c0a42f41..ae5545604 100644 --- a/pixman/pixman/pixman-sse2.c +++ b/pixman/pixman/pixman-sse2.c @@ -5957,13 +5957,8 @@ sse2_fill (pixman_implementation_t *imp, __attribute__((__force_align_arg_pointer__)) #endif pixman_implementation_t * -_pixman_implementation_create_sse2 (void) +_pixman_implementation_create_sse2 (pixman_implementation_t *fallback) { -#ifdef USE_MMX - pixman_implementation_t *fallback = _pixman_implementation_create_mmx (); -#else - pixman_implementation_t *fallback = _pixman_implementation_create_fast_path (); -#endif pixman_implementation_t *imp = _pixman_implementation_create (fallback, sse2_fast_paths); /* SSE2 constants */ diff --git a/pixman/pixman/pixman-vmx.c b/pixman/pixman/pixman-vmx.c index e811cf733..6868704a8 100644 --- a/pixman/pixman/pixman-vmx.c +++ b/pixman/pixman/pixman-vmx.c @@ -1613,10 +1613,9 @@ static const pixman_fast_path_t vmx_fast_paths[] = }; pixman_implementation_t * -_pixman_implementation_create_vmx (void) +_pixman_implementation_create_vmx (pixman_implementation_t *fallback) { - pixman_implementation_t *fast = _pixman_implementation_create_fast_path (); - pixman_implementation_t *imp = _pixman_implementation_create (fast, vmx_fast_paths); + pixman_implementation_t *imp = _pixman_implementation_create (fallback, vmx_fast_paths); /* Set up function pointers */ -- cgit v1.2.3