From 807c6931fe683fd844ceec1b023232181e6aae03 Mon Sep 17 00:00:00 2001 From: marha Date: Tue, 28 Dec 2010 16:10:20 +0000 Subject: xserver and mesa git update 28-12-2010 --- mesalib/src/glsl/glsl_lexer.lpp | 834 +++++++++++++++++++++------------------- 1 file changed, 435 insertions(+), 399 deletions(-) (limited to 'mesalib/src/glsl/glsl_lexer.lpp') diff --git a/mesalib/src/glsl/glsl_lexer.lpp b/mesalib/src/glsl/glsl_lexer.lpp index ed3cb251a..1c6de692a 100644 --- a/mesalib/src/glsl/glsl_lexer.lpp +++ b/mesalib/src/glsl/glsl_lexer.lpp @@ -1,399 +1,435 @@ -%{ -/* - * 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 "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 TOKEN_OR_IDENTIFIER(version, token) \ - do { \ - if (yyextra->language_version >= version) { \ - return token; \ - } else { \ - yylval->identifier = strdup(yytext); \ - return IDENTIFIER; \ - } \ - } while (0) - -/* Handle reserved words in GLSL ES (version 100) */ -#define TOKEN_OR_IDENTIFIER_ES(version, token) \ - do { \ - if (yyextra->es_shader) { \ - return token; \ - } else { \ - TOKEN_OR_IDENTIFIER(version, token); \ - } \ - } while (0) - -#define RESERVED_WORD(version, token) \ - do { \ - if (yyextra->language_version >= version) { \ - return token; \ - } else { \ - _mesa_glsl_error(yylloc, yyextra, \ - "Illegal use of reserved word `%s'", yytext); \ - return ERROR_TOK; \ - } \ - } while (0) -%} - -%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} { 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; - -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; -vec2 return VEC2; -vec3 return VEC3; -vec4 return VEC4; -mat2 return MAT2X2; -mat3 return MAT3X3; -mat4 return MAT4X4; -mat2x2 TOKEN_OR_IDENTIFIER(120, MAT2X2); -mat2x3 TOKEN_OR_IDENTIFIER(120, MAT2X3); -mat2x4 TOKEN_OR_IDENTIFIER(120, MAT2X4); -mat3x2 TOKEN_OR_IDENTIFIER(120, MAT3X2); -mat3x3 TOKEN_OR_IDENTIFIER(120, MAT3X3); -mat3x4 TOKEN_OR_IDENTIFIER(120, MAT3X4); -mat4x2 TOKEN_OR_IDENTIFIER(120, MAT4X2); -mat4x3 TOKEN_OR_IDENTIFIER(120, MAT4X3); -mat4x4 TOKEN_OR_IDENTIFIER(120, MAT4X4); - -in return IN_TOK; -out return OUT_TOK; -inout return INOUT_TOK; -uniform return UNIFORM; -varying return VARYING; -centroid TOKEN_OR_IDENTIFIER(120, CENTROID); -invariant TOKEN_OR_IDENTIFIER_ES(120, INVARIANT); - -flat TOKEN_OR_IDENTIFIER_ES(130, FLAT); -smooth TOKEN_OR_IDENTIFIER(130, SMOOTH); -noperspective TOKEN_OR_IDENTIFIER(130, NOPERSPECTIVE); - -sampler1D return SAMPLER1D; -sampler2D return SAMPLER2D; -sampler3D return SAMPLER3D; -samplerCube return SAMPLERCUBE; -sampler1DShadow return SAMPLER1DSHADOW; -sampler2DShadow return SAMPLER2DSHADOW; - -struct return STRUCT; -void return VOID_TOK; - -layout { - if ((yyextra->language_version >= 140) - || (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 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]* { - yylval->n = strtol(yytext, NULL, 10); - return INTCONSTANT; - } -0[xX][0-9a-fA-F]+ { - yylval->n = strtol(yytext + 2, NULL, 16); - return INTCONSTANT; - } -0[0-7]* { - yylval->n = strtol(yytext, NULL, 8); - return INTCONSTANT; - } - -[0-9]+\.[0-9]+([eE][+-]?[0-9]+)?[fF]? { - yylval->real = strtod(yytext, NULL); - return FLOATCONSTANT; - } -\.[0-9]+([eE][+-]?[0-9]+)?[fF]? { - yylval->real = strtod(yytext, NULL); - return FLOATCONSTANT; - } -[0-9]+\.([eE][+-]?[0-9]+)?[fF]? { - yylval->real = strtod(yytext, NULL); - return FLOATCONSTANT; - } -[0-9]+[eE][+-]?[0-9]+[fF]? { - yylval->real = strtod(yytext, NULL); - return FLOATCONSTANT; - } -[0-9]+[fF] { - yylval->real = strtod(yytext, NULL); - return FLOATCONSTANT; - } - -true { - yylval->n = 1; - return BOOLCONSTANT; - } -false { - yylval->n = 0; - return BOOLCONSTANT; - } - - - /* Reserved words in GLSL 1.10. */ -asm RESERVED_WORD(999, ASM); -class RESERVED_WORD(999, CLASS); -union RESERVED_WORD(999, UNION); -enum RESERVED_WORD(999, ENUM); -typedef RESERVED_WORD(999, TYPEDEF); -template RESERVED_WORD(999, TEMPLATE); -this RESERVED_WORD(999, THIS); -packed RESERVED_WORD(999, PACKED_TOK); -goto RESERVED_WORD(999, GOTO); -switch RESERVED_WORD(130, SWITCH); -default RESERVED_WORD(130, DEFAULT); -inline RESERVED_WORD(999, INLINE_TOK); -noinline RESERVED_WORD(999, NOINLINE); -volatile RESERVED_WORD(999, VOLATILE); -public RESERVED_WORD(999, PUBLIC_TOK); -static RESERVED_WORD(999, STATIC); -extern RESERVED_WORD(999, EXTERN); -external RESERVED_WORD(999, EXTERNAL); -interface RESERVED_WORD(999, INTERFACE); -long RESERVED_WORD(999, LONG_TOK); -short RESERVED_WORD(999, SHORT_TOK); -double RESERVED_WORD(999, DOUBLE_TOK); -half RESERVED_WORD(999, HALF); -fixed RESERVED_WORD(999, FIXED_TOK); -unsigned RESERVED_WORD(999, UNSIGNED); -input RESERVED_WORD(999, INPUT_TOK); -output RESERVED_WORD(999, OUTPUT); -hvec2 RESERVED_WORD(999, HVEC2); -hvec3 RESERVED_WORD(999, HVEC3); -hvec4 RESERVED_WORD(999, HVEC4); -dvec2 RESERVED_WORD(999, DVEC2); -dvec3 RESERVED_WORD(999, DVEC3); -dvec4 RESERVED_WORD(999, DVEC4); -fvec2 RESERVED_WORD(999, FVEC2); -fvec3 RESERVED_WORD(999, FVEC3); -fvec4 RESERVED_WORD(999, FVEC4); -sampler2DRect return SAMPLER2DRECT; -sampler3DRect RESERVED_WORD(999, SAMPLER3DRECT); -sampler2DRectShadow return SAMPLER2DRECTSHADOW; -sizeof RESERVED_WORD(999, SIZEOF); -cast RESERVED_WORD(999, CAST); -namespace RESERVED_WORD(999, NAMESPACE); -using RESERVED_WORD(999, USING); - - /* Additional reserved words in GLSL 1.20. */ -lowp TOKEN_OR_IDENTIFIER_ES(120, LOWP); -mediump TOKEN_OR_IDENTIFIER_ES(120, MEDIUMP); -highp TOKEN_OR_IDENTIFIER_ES(120, HIGHP); -precision TOKEN_OR_IDENTIFIER_ES(120, PRECISION); - - /* Additional reserved words in GLSL 1.30. */ -common TOKEN_OR_IDENTIFIER(130, COMMON); -partition TOKEN_OR_IDENTIFIER(130, PARTITION); -active TOKEN_OR_IDENTIFIER(130, ACTIVE); -superp TOKEN_OR_IDENTIFIER_ES(130, SUPERP); -samplerBuffer TOKEN_OR_IDENTIFIER(130, SAMPLERBUFFER); -filter TOKEN_OR_IDENTIFIER(130, FILTER); -image1D TOKEN_OR_IDENTIFIER(130, IMAGE1D); -image2D TOKEN_OR_IDENTIFIER(130, IMAGE2D); -image3D TOKEN_OR_IDENTIFIER(130, IMAGE3D); -imageCube TOKEN_OR_IDENTIFIER(130, IMAGECUBE); -iimage1D TOKEN_OR_IDENTIFIER(130, IIMAGE1D); -iimage2D TOKEN_OR_IDENTIFIER(130, IIMAGE2D); -iimage3D TOKEN_OR_IDENTIFIER(130, IIMAGE3D); -iimageCube TOKEN_OR_IDENTIFIER(130, IIMAGECUBE); -uimage1D TOKEN_OR_IDENTIFIER(130, UIMAGE1D); -uimage2D TOKEN_OR_IDENTIFIER(130, UIMAGE2D); -uimage3D TOKEN_OR_IDENTIFIER(130, UIMAGE3D); -uimageCube TOKEN_OR_IDENTIFIER(130, UIMAGECUBE); -image1DArray TOKEN_OR_IDENTIFIER(130, IMAGE1DARRAY); -image2DArray TOKEN_OR_IDENTIFIER(130, IMAGE2DARRAY); -iimage1DArray TOKEN_OR_IDENTIFIER(130, IIMAGE1DARRAY); -iimage2DArray TOKEN_OR_IDENTIFIER(130, IIMAGE2DARRAY); -uimage1DArray TOKEN_OR_IDENTIFIER(130, UIMAGE1DARRAY); -uimage2DArray TOKEN_OR_IDENTIFIER(130, UIMAGE2DARRAY); -image1DShadow TOKEN_OR_IDENTIFIER(130, IMAGE1DSHADOW); -image2DShadow TOKEN_OR_IDENTIFIER(130, IMAGE2DSHADOW); -imageBuffer TOKEN_OR_IDENTIFIER(130, IMAGEBUFFER); -iimageBuffer TOKEN_OR_IDENTIFIER(130, IIMAGEBUFFER); -uimageBuffer TOKEN_OR_IDENTIFIER(130, UIMAGEBUFFER); -row_major TOKEN_OR_IDENTIFIER(130, 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} { 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); +} -- cgit v1.2.3