diff options
Diffstat (limited to 'mesalib/src/glsl/glsl_parser.yy')
| -rw-r--r-- | mesalib/src/glsl/glsl_parser.yy | 3391 |
1 files changed, 1695 insertions, 1696 deletions
diff --git a/mesalib/src/glsl/glsl_parser.yy b/mesalib/src/glsl/glsl_parser.yy index 78f5bf6f4..b8f3df90e 100644 --- a/mesalib/src/glsl/glsl_parser.yy +++ b/mesalib/src/glsl/glsl_parser.yy @@ -25,7 +25,7 @@ #include <stdlib.h> #include <string.h> #include <assert.h> - + #include "ast.h" #include "glsl_parser_extras.h" #include "glsl_types.h" @@ -41,6 +41,8 @@ static void yyerror(YYLTYPE *loc, _mesa_glsl_parse_state *st, const char *msg) } %} +%expect 0 + %pure-parser %error-verbose @@ -248,1022 +250,1024 @@ static void yyerror(YYLTYPE *loc, _mesa_glsl_parse_state *st, const char *msg) %type <node> for_init_statement %type <for_rest_statement> for_rest_statement %type <n> integer_constant + +%right THEN ELSE %% -translation_unit: - version_statement extension_statement_list - { - _mesa_glsl_initialize_types(state); - } - external_declaration_list - { - delete state->symbols; - state->symbols = new(ralloc_parent(state)) glsl_symbol_table; - _mesa_glsl_initialize_types(state); - } - ; +translation_unit: + version_statement extension_statement_list + { + _mesa_glsl_initialize_types(state); + } + external_declaration_list + { + delete state->symbols; + state->symbols = new(ralloc_parent(state)) glsl_symbol_table; + _mesa_glsl_initialize_types(state); + } + ; version_statement: - /* blank - no #version specified: defaults are already set */ - | VERSION_TOK INTCONSTANT EOL - { - state->process_version_directive(&@2, $2, NULL); - if (state->error) { - YYERROR; - } - } - | VERSION_TOK INTCONSTANT any_identifier EOL - { - state->process_version_directive(&@2, $2, $3); - if (state->error) { - YYERROR; - } - } - ; + /* blank - no #version specified: defaults are already set */ + | VERSION_TOK INTCONSTANT EOL + { + state->process_version_directive(&@2, $2, NULL); + if (state->error) { + YYERROR; + } + } + | VERSION_TOK INTCONSTANT any_identifier EOL + { + state->process_version_directive(&@2, $2, $3); + if (state->error) { + YYERROR; + } + } + ; pragma_statement: - PRAGMA_DEBUG_ON EOL - | PRAGMA_DEBUG_OFF EOL - | PRAGMA_OPTIMIZE_ON EOL - | PRAGMA_OPTIMIZE_OFF EOL - | PRAGMA_INVARIANT_ALL EOL - { - if (!state->is_version(120, 100)) { - _mesa_glsl_warning(& @1, state, - "pragma `invariant(all)' not supported in %s " - "(GLSL ES 1.00 or GLSL 1.20 required).", - state->get_version_string()); - } else { - state->all_invariant = true; - } - } - ; + PRAGMA_DEBUG_ON EOL + | PRAGMA_DEBUG_OFF EOL + | PRAGMA_OPTIMIZE_ON EOL + | PRAGMA_OPTIMIZE_OFF EOL + | PRAGMA_INVARIANT_ALL EOL + { + if (!state->is_version(120, 100)) { + _mesa_glsl_warning(& @1, state, + "pragma `invariant(all)' not supported in %s " + "(GLSL ES 1.00 or GLSL 1.20 required).", + state->get_version_string()); + } else { + state->all_invariant = true; + } + } + ; extension_statement_list: - | extension_statement_list extension_statement - ; + | extension_statement_list extension_statement + ; any_identifier: - IDENTIFIER - | TYPE_IDENTIFIER - | NEW_IDENTIFIER - ; + IDENTIFIER + | TYPE_IDENTIFIER + | NEW_IDENTIFIER + ; extension_statement: - EXTENSION any_identifier COLON any_identifier EOL - { - if (!_mesa_glsl_process_extension($2, & @2, $4, & @4, state)) { - YYERROR; - } - } - ; + EXTENSION any_identifier COLON any_identifier EOL + { + if (!_mesa_glsl_process_extension($2, & @2, $4, & @4, state)) { + YYERROR; + } + } + ; external_declaration_list: - external_declaration - { - /* FINISHME: The NULL test is required because pragmas are set to - * FINISHME: NULL. (See production rule for external_declaration.) - */ - if ($1 != NULL) - state->translation_unit.push_tail(& $1->link); - } - | external_declaration_list external_declaration - { - /* FINISHME: The NULL test is required because pragmas are set to - * FINISHME: NULL. (See production rule for external_declaration.) - */ - if ($2 != NULL) - state->translation_unit.push_tail(& $2->link); - } - ; + external_declaration + { + /* FINISHME: The NULL test is required because pragmas are set to + * FINISHME: NULL. (See production rule for external_declaration.) + */ + if ($1 != NULL) + state->translation_unit.push_tail(& $1->link); + } + | external_declaration_list external_declaration + { + /* FINISHME: The NULL test is required because pragmas are set to + * FINISHME: NULL. (See production rule for external_declaration.) + */ + if ($2 != NULL) + state->translation_unit.push_tail(& $2->link); + } + ; variable_identifier: - IDENTIFIER - | NEW_IDENTIFIER - ; + IDENTIFIER + | NEW_IDENTIFIER + ; primary_expression: - variable_identifier - { - void *ctx = state; - $$ = new(ctx) ast_expression(ast_identifier, NULL, NULL, NULL); - $$->set_location(yylloc); - $$->primary_expression.identifier = $1; - } - | INTCONSTANT - { - void *ctx = state; - $$ = new(ctx) ast_expression(ast_int_constant, NULL, NULL, NULL); - $$->set_location(yylloc); - $$->primary_expression.int_constant = $1; - } - | UINTCONSTANT - { - void *ctx = state; - $$ = new(ctx) ast_expression(ast_uint_constant, NULL, NULL, NULL); - $$->set_location(yylloc); - $$->primary_expression.uint_constant = $1; - } - | FLOATCONSTANT - { - void *ctx = state; - $$ = new(ctx) ast_expression(ast_float_constant, NULL, NULL, NULL); - $$->set_location(yylloc); - $$->primary_expression.float_constant = $1; - } - | BOOLCONSTANT - { - void *ctx = state; - $$ = new(ctx) ast_expression(ast_bool_constant, NULL, NULL, NULL); - $$->set_location(yylloc); - $$->primary_expression.bool_constant = $1; - } - | '(' expression ')' - { - $$ = $2; - } - ; + variable_identifier + { + void *ctx = state; + $$ = new(ctx) ast_expression(ast_identifier, NULL, NULL, NULL); + $$->set_location(yylloc); + $$->primary_expression.identifier = $1; + } + | INTCONSTANT + { + void *ctx = state; + $$ = new(ctx) ast_expression(ast_int_constant, NULL, NULL, NULL); + $$->set_location(yylloc); + $$->primary_expression.int_constant = $1; + } + | UINTCONSTANT + { + void *ctx = state; + $$ = new(ctx) ast_expression(ast_uint_constant, NULL, NULL, NULL); + $$->set_location(yylloc); + $$->primary_expression.uint_constant = $1; + } + | FLOATCONSTANT + { + void *ctx = state; + $$ = new(ctx) ast_expression(ast_float_constant, NULL, NULL, NULL); + $$->set_location(yylloc); + $$->primary_expression.float_constant = $1; + } + | BOOLCONSTANT + { + void *ctx = state; + $$ = new(ctx) ast_expression(ast_bool_constant, NULL, NULL, NULL); + $$->set_location(yylloc); + $$->primary_expression.bool_constant = $1; + } + | '(' expression ')' + { + $$ = $2; + } + ; postfix_expression: - primary_expression - | postfix_expression '[' integer_expression ']' - { - void *ctx = state; - $$ = new(ctx) ast_expression(ast_array_index, $1, $3, NULL); - $$->set_location(yylloc); - } - | function_call - { - $$ = $1; - } - | postfix_expression '.' any_identifier - { - void *ctx = state; - $$ = new(ctx) ast_expression(ast_field_selection, $1, NULL, NULL); - $$->set_location(yylloc); - $$->primary_expression.identifier = $3; - } - | postfix_expression INC_OP - { - void *ctx = state; - $$ = new(ctx) ast_expression(ast_post_inc, $1, NULL, NULL); - $$->set_location(yylloc); - } - | postfix_expression DEC_OP - { - void *ctx = state; - $$ = new(ctx) ast_expression(ast_post_dec, $1, NULL, NULL); - $$->set_location(yylloc); - } - ; + primary_expression + | postfix_expression '[' integer_expression ']' + { + void *ctx = state; + $$ = new(ctx) ast_expression(ast_array_index, $1, $3, NULL); + $$->set_location(yylloc); + } + | function_call + { + $$ = $1; + } + | postfix_expression '.' any_identifier + { + void *ctx = state; + $$ = new(ctx) ast_expression(ast_field_selection, $1, NULL, NULL); + $$->set_location(yylloc); + $$->primary_expression.identifier = $3; + } + | postfix_expression INC_OP + { + void *ctx = state; + $$ = new(ctx) ast_expression(ast_post_inc, $1, NULL, NULL); + $$->set_location(yylloc); + } + | postfix_expression DEC_OP + { + void *ctx = state; + $$ = new(ctx) ast_expression(ast_post_dec, $1, NULL, NULL); + $$->set_location(yylloc); + } + ; integer_expression: - expression - ; + expression + ; function_call: - function_call_or_method - ; + function_call_or_method + ; function_call_or_method: - function_call_generic - | postfix_expression '.' method_call_generic - { - void *ctx = state; - $$ = new(ctx) ast_expression(ast_field_selection, $1, $3, NULL); - $$->set_location(yylloc); - } - ; + function_call_generic + | postfix_expression '.' method_call_generic + { + void *ctx = state; + $$ = new(ctx) ast_expression(ast_field_selection, $1, $3, NULL); + $$->set_location(yylloc); + } + ; function_call_generic: - function_call_header_with_parameters ')' - | function_call_header_no_parameters ')' - ; + function_call_header_with_parameters ')' + | function_call_header_no_parameters ')' + ; function_call_header_no_parameters: - function_call_header VOID_TOK - | function_call_header - ; + function_call_header VOID_TOK + | function_call_header + ; function_call_header_with_parameters: - function_call_header assignment_expression - { - $$ = $1; - $$->set_location(yylloc); - $$->expressions.push_tail(& $2->link); - } - | function_call_header_with_parameters ',' assignment_expression - { - $$ = $1; - $$->set_location(yylloc); - $$->expressions.push_tail(& $3->link); - } - ; - - // Grammar Note: Constructors look like functions, but lexical - // analysis recognized most of them as keywords. They are now - // recognized through "type_specifier". + function_call_header assignment_expression + { + $$ = $1; + $$->set_location(yylloc); + $$->expressions.push_tail(& $2->link); + } + | function_call_header_with_parameters ',' assignment_expression + { + $$ = $1; + $$->set_location(yylloc); + $$->expressions.push_tail(& $3->link); + } + ; + + // Grammar Note: Constructors look like functions, but lexical + // analysis recognized most of them as keywords. They are now + // recognized through "type_specifier". function_call_header: - function_identifier '(' - ; + function_identifier '(' + ; function_identifier: - type_specifier - { - void *ctx = state; - $$ = new(ctx) ast_function_expression($1); - $$->set_location(yylloc); - } - | variable_identifier - { - void *ctx = state; - ast_expression *callee = new(ctx) ast_expression($1); - $$ = new(ctx) ast_function_expression(callee); - $$->set_location(yylloc); - } - | FIELD_SELECTION - { - void *ctx = state; - ast_expression *callee = new(ctx) ast_expression($1); - $$ = new(ctx) ast_function_expression(callee); - $$->set_location(yylloc); - } - ; + type_specifier + { + void *ctx = state; + $$ = new(ctx) ast_function_expression($1); + $$->set_location(yylloc); + } + | variable_identifier + { + void *ctx = state; + ast_expression *callee = new(ctx) ast_expression($1); + $$ = new(ctx) ast_function_expression(callee); + $$->set_location(yylloc); + } + | FIELD_SELECTION + { + void *ctx = state; + ast_expression *callee = new(ctx) ast_expression($1); + $$ = new(ctx) ast_function_expression(callee); + $$->set_location(yylloc); + } + ; method_call_generic: - method_call_header_with_parameters ')' - | method_call_header_no_parameters ')' - ; + method_call_header_with_parameters ')' + | method_call_header_no_parameters ')' + ; method_call_header_no_parameters: - method_call_header VOID_TOK - | method_call_header - ; + method_call_header VOID_TOK + | method_call_header + ; method_call_header_with_parameters: - method_call_header assignment_expression - { - $$ = $1; - $$->set_location(yylloc); - $$->expressions.push_tail(& $2->link); - } - | method_call_header_with_parameters ',' assignment_expression - { - $$ = $1; - $$->set_location(yylloc); - $$->expressions.push_tail(& $3->link); - } - ; - - // Grammar Note: Constructors look like methods, but lexical - // analysis recognized most of them as keywords. They are now - // recognized through "type_specifier". + method_call_header assignment_expression + { + $$ = $1; + $$->set_location(yylloc); + $$->expressions.push_tail(& $2->link); + } + | method_call_header_with_parameters ',' assignment_expression + { + $$ = $1; + $$->set_location(yylloc); + $$->expressions.push_tail(& $3->link); + } + ; + + // Grammar Note: Constructors look like methods, but lexical + // analysis recognized most of them as keywords. They are now + // recognized through "type_specifier". method_call_header: - variable_identifier '(' - { - void *ctx = state; - ast_expression *callee = new(ctx) ast_expression($1); - $$ = new(ctx) ast_function_expression(callee); - $$->set_location(yylloc); - } - ; - - // Grammar Note: No traditional style type casts. + variable_identifier '(' + { + void *ctx = state; + ast_expression *callee = new(ctx) ast_expression($1); + $$ = new(ctx) ast_function_expression(callee); + $$->set_location(yylloc); + } + ; + + // Grammar Note: No traditional style type casts. unary_expression: - postfix_expression - | INC_OP unary_expression - { - void *ctx = state; - $$ = new(ctx) ast_expression(ast_pre_inc, $2, NULL, NULL); - $$->set_location(yylloc); - } - | DEC_OP unary_expression - { - void *ctx = state; - $$ = new(ctx) ast_expression(ast_pre_dec, $2, NULL, NULL); - $$->set_location(yylloc); - } - | unary_operator unary_expression - { - void *ctx = state; - $$ = new(ctx) ast_expression($1, $2, NULL, NULL); - $$->set_location(yylloc); - } - ; - - // Grammar Note: No '*' or '&' unary ops. Pointers are not supported. + postfix_expression + | INC_OP unary_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression(ast_pre_inc, $2, NULL, NULL); + $$->set_location(yylloc); + } + | DEC_OP unary_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression(ast_pre_dec, $2, NULL, NULL); + $$->set_location(yylloc); + } + | unary_operator unary_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression($1, $2, NULL, NULL); + $$->set_location(yylloc); + } + ; + + // Grammar Note: No '*' or '&' unary ops. Pointers are not supported. unary_operator: - '+' { $$ = ast_plus; } - | '-' { $$ = ast_neg; } - | '!' { $$ = ast_logic_not; } - | '~' { $$ = ast_bit_not; } - ; + '+' { $$ = ast_plus; } + | '-' { $$ = ast_neg; } + | '!' { $$ = ast_logic_not; } + | '~' { $$ = ast_bit_not; } + ; multiplicative_expression: - unary_expression - | multiplicative_expression '*' unary_expression - { - void *ctx = state; - $$ = new(ctx) ast_expression_bin(ast_mul, $1, $3); - $$->set_location(yylloc); - } - | multiplicative_expression '/' unary_expression - { - void *ctx = state; - $$ = new(ctx) ast_expression_bin(ast_div, $1, $3); - $$->set_location(yylloc); - } - | multiplicative_expression '%' unary_expression - { - void *ctx = state; - $$ = new(ctx) ast_expression_bin(ast_mod, $1, $3); - $$->set_location(yylloc); - } - ; + unary_expression + | multiplicative_expression '*' unary_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression_bin(ast_mul, $1, $3); + $$->set_location(yylloc); + } + | multiplicative_expression '/' unary_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression_bin(ast_div, $1, $3); + $$->set_location(yylloc); + } + | multiplicative_expression '%' unary_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression_bin(ast_mod, $1, $3); + $$->set_location(yylloc); + } + ; additive_expression: - multiplicative_expression - | additive_expression '+' multiplicative_expression - { - void *ctx = state; - $$ = new(ctx) ast_expression_bin(ast_add, $1, $3); - $$->set_location(yylloc); - } - | additive_expression '-' multiplicative_expression - { - void *ctx = state; - $$ = new(ctx) ast_expression_bin(ast_sub, $1, $3); - $$->set_location(yylloc); - } - ; + multiplicative_expression + | additive_expression '+' multiplicative_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression_bin(ast_add, $1, $3); + $$->set_location(yylloc); + } + | additive_expression '-' multiplicative_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression_bin(ast_sub, $1, $3); + $$->set_location(yylloc); + } + ; shift_expression: - additive_expression - | shift_expression LEFT_OP additive_expression - { - void *ctx = state; - $$ = new(ctx) ast_expression_bin(ast_lshift, $1, $3); - $$->set_location(yylloc); - } - | shift_expression RIGHT_OP additive_expression - { - void *ctx = state; - $$ = new(ctx) ast_expression_bin(ast_rshift, $1, $3); - $$->set_location(yylloc); - } - ; + additive_expression + | shift_expression LEFT_OP additive_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression_bin(ast_lshift, $1, $3); + $$->set_location(yylloc); + } + | shift_expression RIGHT_OP additive_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression_bin(ast_rshift, $1, $3); + $$->set_location(yylloc); + } + ; relational_expression: - shift_expression - | relational_expression '<' shift_expression - { - void *ctx = state; - $$ = new(ctx) ast_expression_bin(ast_less, $1, $3); - $$->set_location(yylloc); - } - | relational_expression '>' shift_expression - { - void *ctx = state; - $$ = new(ctx) ast_expression_bin(ast_greater, $1, $3); - $$->set_location(yylloc); - } - | relational_expression LE_OP shift_expression - { - void *ctx = state; - $$ = new(ctx) ast_expression_bin(ast_lequal, $1, $3); - $$->set_location(yylloc); - } - | relational_expression GE_OP shift_expression - { - void *ctx = state; - $$ = new(ctx) ast_expression_bin(ast_gequal, $1, $3); - $$->set_location(yylloc); - } - ; + shift_expression + | relational_expression '<' shift_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression_bin(ast_less, $1, $3); + $$->set_location(yylloc); + } + | relational_expression '>' shift_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression_bin(ast_greater, $1, $3); + $$->set_location(yylloc); + } + | relational_expression LE_OP shift_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression_bin(ast_lequal, $1, $3); + $$->set_location(yylloc); + } + | relational_expression GE_OP shift_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression_bin(ast_gequal, $1, $3); + $$->set_location(yylloc); + } + ; equality_expression: - relational_expression - | equality_expression EQ_OP relational_expression - { - void *ctx = state; - $$ = new(ctx) ast_expression_bin(ast_equal, $1, $3); - $$->set_location(yylloc); - } - | equality_expression NE_OP relational_expression - { - void *ctx = state; - $$ = new(ctx) ast_expression_bin(ast_nequal, $1, $3); - $$->set_location(yylloc); - } - ; + relational_expression + | equality_expression EQ_OP relational_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression_bin(ast_equal, $1, $3); + $$->set_location(yylloc); + } + | equality_expression NE_OP relational_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression_bin(ast_nequal, $1, $3); + $$->set_location(yylloc); + } + ; and_expression: - equality_expression - | and_expression '&' equality_expression - { - void *ctx = state; - $$ = new(ctx) ast_expression_bin(ast_bit_and, $1, $3); - $$->set_location(yylloc); - } - ; + equality_expression + | and_expression '&' equality_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression_bin(ast_bit_and, $1, $3); + $$->set_location(yylloc); + } + ; exclusive_or_expression: - and_expression - | exclusive_or_expression '^' and_expression - { - void *ctx = state; - $$ = new(ctx) ast_expression_bin(ast_bit_xor, $1, $3); - $$->set_location(yylloc); - } - ; + and_expression + | exclusive_or_expression '^' and_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression_bin(ast_bit_xor, $1, $3); + $$->set_location(yylloc); + } + ; inclusive_or_expression: - exclusive_or_expression - | inclusive_or_expression '|' exclusive_or_expression - { - void *ctx = state; - $$ = new(ctx) ast_expression_bin(ast_bit_or, $1, $3); - $$->set_location(yylloc); - } - ; + exclusive_or_expression + | inclusive_or_expression '|' exclusive_or_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression_bin(ast_bit_or, $1, $3); + $$->set_location(yylloc); + } + ; logical_and_expression: - inclusive_or_expression - | logical_and_expression AND_OP inclusive_or_expression - { - void *ctx = state; - $$ = new(ctx) ast_expression_bin(ast_logic_and, $1, $3); - $$->set_location(yylloc); - } - ; + inclusive_or_expression + | logical_and_expression AND_OP inclusive_or_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression_bin(ast_logic_and, $1, $3); + $$->set_location(yylloc); + } + ; logical_xor_expression: - logical_and_expression - | logical_xor_expression XOR_OP logical_and_expression - { - void *ctx = state; - $$ = new(ctx) ast_expression_bin(ast_logic_xor, $1, $3); - $$->set_location(yylloc); - } - ; + logical_and_expression + | logical_xor_expression XOR_OP logical_and_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression_bin(ast_logic_xor, $1, $3); + $$->set_location(yylloc); + } + ; logical_or_expression: - logical_xor_expression - | logical_or_expression OR_OP logical_xor_expression - { - void *ctx = state; - $$ = new(ctx) ast_expression_bin(ast_logic_or, $1, $3); - $$->set_location(yylloc); - } - ; + logical_xor_expression + | logical_or_expression OR_OP logical_xor_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression_bin(ast_logic_or, $1, $3); + $$->set_location(yylloc); + } + ; conditional_expression: - logical_or_expression - | logical_or_expression '?' expression ':' assignment_expression - { - void *ctx = state; - $$ = new(ctx) ast_expression(ast_conditional, $1, $3, $5); - $$->set_location(yylloc); - } - ; + logical_or_expression + | logical_or_expression '?' expression ':' assignment_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression(ast_conditional, $1, $3, $5); + $$->set_location(yylloc); + } + ; assignment_expression: - conditional_expression - | unary_expression assignment_operator assignment_expression - { - void *ctx = state; - $$ = new(ctx) ast_expression($2, $1, $3, NULL); - $$->set_location(yylloc); - } - ; + conditional_expression + | unary_expression assignment_operator assignment_expression + { + void *ctx = state; + $$ = new(ctx) ast_expression($2, $1, $3, NULL); + $$->set_location(yylloc); + } + ; assignment_operator: - '=' { $$ = ast_assign; } - | MUL_ASSIGN { $$ = ast_mul_assign; } - | DIV_ASSIGN { $$ = ast_div_assign; } - | MOD_ASSIGN { $$ = ast_mod_assign; } - | ADD_ASSIGN { $$ = ast_add_assign; } - | SUB_ASSIGN { $$ = ast_sub_assign; } - | LEFT_ASSIGN { $$ = ast_ls_assign; } - | RIGHT_ASSIGN { $$ = ast_rs_assign; } - | AND_ASSIGN { $$ = ast_and_assign; } - | XOR_ASSIGN { $$ = ast_xor_assign; } - | OR_ASSIGN { $$ = ast_or_assign; } - ; + '=' { $$ = ast_assign; } + | MUL_ASSIGN { $$ = ast_mul_assign; } + | DIV_ASSIGN { $$ = ast_div_assign; } + | MOD_ASSIGN { $$ = ast_mod_assign; } + | ADD_ASSIGN { $$ = ast_add_assign; } + | SUB_ASSIGN { $$ = ast_sub_assign; } + | LEFT_ASSIGN { $$ = ast_ls_assign; } + | RIGHT_ASSIGN { $$ = ast_rs_assign; } + | AND_ASSIGN { $$ = ast_and_assign; } + | XOR_ASSIGN { $$ = ast_xor_assign; } + | OR_ASSIGN { $$ = ast_or_assign; } + ; expression: - assignment_expression - { - $$ = $1; - } - | expression ',' assignment_expression - { - void *ctx = state; - if ($1->oper != ast_sequence) { - $$ = new(ctx) ast_expression(ast_sequence, NULL, NULL, NULL); - $$->set_location(yylloc); - $$->expressions.push_tail(& $1->link); - } else { - $$ = $1; - } - - $$->expressions.push_tail(& $3->link); - } - ; + assignment_expression + { + $$ = $1; + } + | expression ',' assignment_expression + { + void *ctx = state; + if ($1->oper != ast_sequence) { + $$ = new(ctx) ast_expression(ast_sequence, NULL, NULL, NULL); + $$->set_location(yylloc); + $$->expressions.push_tail(& $1->link); + } else { + $$ = $1; + } + + $$->expressions.push_tail(& $3->link); + } + ; constant_expression: - conditional_expression - ; + conditional_expression + ; declaration: - function_prototype ';' - { - state->symbols->pop_scope(); - $$ = $1; - } - | init_declarator_list ';' - { - $$ = $1; - } - | PRECISION precision_qualifier type_specifier_no_prec ';' - { - $3->precision = $2; - $3->is_precision_statement = true; - $$ = $3; - } - | interface_block - { - $$ = $1; - } - ; + function_prototype ';' + { + state->symbols->pop_scope(); + $$ = $1; + } + | init_declarator_list ';' + { + $$ = $1; + } + | PRECISION precision_qualifier type_specifier_no_prec ';' + { + $3->precision = $2; + $3->is_precision_statement = true; + $$ = $3; + } + | interface_block + { + $$ = $1; + } + ; function_prototype: - function_declarator ')' - ; + function_declarator ')' + ; function_declarator: - function_header - | function_header_with_parameters - ; + function_header + | function_header_with_parameters + ; function_header_with_parameters: - function_header parameter_declaration - { - $$ = $1; - $$->parameters.push_tail(& $2->link); - } - | function_header_with_parameters ',' parameter_declaration - { - $$ = $1; - $$->parameters.push_tail(& $3->link); - } - ; + function_header parameter_declaration + { + $$ = $1; + $$->parameters.push_tail(& $2->link); + } + | function_header_with_parameters ',' parameter_declaration + { + $$ = $1; + $$->parameters.push_tail(& $3->link); + } + ; function_header: - fully_specified_type variable_identifier '(' - { - void *ctx = state; - $$ = new(ctx) ast_function(); - $$->set_location(yylloc); - $$->return_type = $1; - $$->identifier = $2; - - state->symbols->add_function(new(state) ir_function($2)); - state->symbols->push_scope(); - } - ; + fully_specified_type variable_identifier '(' + { + void *ctx = state; + $$ = new(ctx) ast_function(); + $$->set_location(yylloc); + $$->return_type = $1; + $$->identifier = $2; + + state->symbols->add_function(new(state) ir_function($2)); + state->symbols->push_scope(); + } + ; parameter_declarator: - type_specifier any_identifier - { - void *ctx = state; - $$ = new(ctx) ast_parameter_declarator(); - $$->set_location(yylloc); - $$->type = new(ctx) ast_fully_specified_type(); - $$->type->set_location(yylloc); - $$->type->specifier = $1; - $$->identifier = $2; - } - | type_specifier any_identifier '[' constant_expression ']' - { - void *ctx = state; - $$ = new(ctx) ast_parameter_declarator(); - $$->set_location(yylloc); - $$->type = new(ctx) ast_fully_specified_type(); - $$->type->set_location(yylloc); - $$->type->specifier = $1; - $$->identifier = $2; - $$->is_array = true; - $$->array_size = $4; - } - ; + type_specifier any_identifier + { + void *ctx = state; + $$ = new(ctx) ast_parameter_declarator(); + $$->set_location(yylloc); + $$->type = new(ctx) ast_fully_specified_type(); + $$->type->set_location(yylloc); + $$->type->specifier = $1; + $$->identifier = $2; + } + | type_specifier any_identifier '[' constant_expression ']' + { + void *ctx = state; + $$ = new(ctx) ast_parameter_declarator(); + $$->set_location(yylloc); + $$->type = new(ctx) ast_fully_specified_type(); + $$->type->set_location(yylloc); + $$->type->specifier = $1; + $$->identifier = $2; + $$->is_array = true; + $$->array_size = $4; + } + ; parameter_declaration: - parameter_type_qualifier parameter_qualifier parameter_declarator - { - $1.flags.i |= $2.flags.i; - - $$ = $3; - $$->type->qualifier = $1; - } - | parameter_qualifier parameter_declarator - { - $$ = $2; - $$->type->qualifier = $1; - } - | parameter_type_qualifier parameter_qualifier parameter_type_specifier - { - void *ctx = state; - $1.flags.i |= $2.flags.i; - - $$ = new(ctx) ast_parameter_declarator(); - $$->set_location(yylloc); - $$->type = new(ctx) ast_fully_specified_type(); - $$->type->qualifier = $1; - $$->type->specifier = $3; - } - | parameter_qualifier parameter_type_specifier - { - void *ctx = state; - $$ = new(ctx) ast_parameter_declarator(); - $$->set_location(yylloc); - $$->type = new(ctx) ast_fully_specified_type(); - $$->type->qualifier = $1; - $$->type->specifier = $2; - } - ; + parameter_type_qualifier parameter_qualifier parameter_declarator + { + $1.flags.i |= $2.flags.i; + + $$ = $3; + $$->type->qualifier = $1; + } + | parameter_qualifier parameter_declarator + { + $$ = $2; + $$->type->qualifier = $1; + } + | parameter_type_qualifier parameter_qualifier parameter_type_specifier + { + void *ctx = state; + $1.flags.i |= $2.flags.i; + + $$ = new(ctx) ast_parameter_declarator(); + $$->set_location(yylloc); + $$->type = new(ctx) ast_fully_specified_type(); + $$->type->qualifier = $1; + $$->type->specifier = $3; + } + | parameter_qualifier parameter_type_specifier + { + void *ctx = state; + $$ = new(ctx) ast_parameter_declarator(); + $$->set_location(yylloc); + $$->type = new(ctx) ast_fully_specified_type(); + $$->type->qualifier = $1; + $$->type->specifier = $2; + } + ; parameter_qualifier: - /* empty */ - { - memset(& $$, 0, sizeof($$)); - } - | IN_TOK - { - memset(& $$, 0, sizeof($$)); - $$.flags.q.in = 1; - } - | OUT_TOK - { - memset(& $$, 0, sizeof($$)); - $$.flags.q.out = 1; - } - | INOUT_TOK - { - memset(& $$, 0, sizeof($$)); - $$.flags.q.in = 1; - $$.flags.q.out = 1; - } - ; + /* empty */ + { + memset(& $$, 0, sizeof($$)); + } + | IN_TOK + { + memset(& $$, 0, sizeof($$)); + $$.flags.q.in = 1; + } + | OUT_TOK + { + memset(& $$, 0, sizeof($$)); + $$.flags.q.out = 1; + } + | INOUT_TOK + { + memset(& $$, 0, sizeof($$)); + $$.flags.q.in = 1; + $$.flags.q.out = 1; + } + ; parameter_type_specifier: - type_specifier - ; + type_specifier + ; init_declarator_list: - single_declaration - | init_declarator_list ',' any_identifier - { - void *ctx = state; - ast_declaration *decl = new(ctx) ast_declaration($3, false, NULL, NULL); - decl->set_location(yylloc); - - $$ = $1; - $$->declarations.push_tail(&decl->link); - state->symbols->add_variable(new(state) ir_variable(NULL, $3, ir_var_auto)); - } - | init_declarator_list ',' any_identifier '[' ']' - { - void *ctx = state; - ast_declaration *decl = new(ctx) ast_declaration($3, true, NULL, NULL); - decl->set_location(yylloc); - - $$ = $1; - $$->declarations.push_tail(&decl->link); - state->symbols->add_variable(new(state) ir_variable(NULL, $3, ir_var_auto)); - } - | init_declarator_list ',' any_identifier '[' constant_expression ']' - { - void *ctx = state; - ast_declaration *decl = new(ctx) ast_declaration($3, true, $5, NULL); - decl->set_location(yylloc); - - $$ = $1; - $$->declarations.push_tail(&decl->link); - state->symbols->add_variable(new(state) ir_variable(NULL, $3, ir_var_auto)); - } - | init_declarator_list ',' any_identifier '[' ']' '=' initializer - { - void *ctx = state; - ast_declaration *decl = new(ctx) ast_declaration($3, true, NULL, $7); - decl->set_location(yylloc); - - $$ = $1; - $$->declarations.push_tail(&decl->link); - state->symbols->add_variable(new(state) ir_variable(NULL, $3, ir_var_auto)); - if ($7->oper == ast_aggregate) { - ast_aggregate_initializer *ai = (ast_aggregate_initializer *)$7; - ast_type_specifier *type = new(ctx) ast_type_specifier($1->type->specifier, true, NULL); - _mesa_ast_set_aggregate_type(type, ai, state); - } - } - | init_declarator_list ',' any_identifier '[' constant_expression ']' '=' initializer - { - void *ctx = state; - ast_declaration *decl = new(ctx) ast_declaration($3, true, $5, $8); - decl->set_location(yylloc); - - $$ = $1; - $$->declarations.push_tail(&decl->link); - state->symbols->add_variable(new(state) ir_variable(NULL, $3, ir_var_auto)); - if ($8->oper == ast_aggregate) { - ast_aggregate_initializer *ai = (ast_aggregate_initializer *)$8; - ast_type_specifier *type = new(ctx) ast_type_specifier($1->type->specifier, true, $5); - _mesa_ast_set_aggregate_type(type, ai, state); - } - } - | init_declarator_list ',' any_identifier '=' initializer - { - void *ctx = state; - ast_declaration *decl = new(ctx) ast_declaration($3, false, NULL, $5); - decl->set_location(yylloc); - - $$ = $1; - $$->declarations.push_tail(&decl->link); - state->symbols->add_variable(new(state) ir_variable(NULL, $3, ir_var_auto)); - if ($5->oper == ast_aggregate) { - ast_aggregate_initializer *ai = (ast_aggregate_initializer *)$5; - _mesa_ast_set_aggregate_type($1->type->specifier, ai, state); - } - } - ; - - // Grammar Note: No 'enum', or 'typedef'. + single_declaration + | init_declarator_list ',' any_identifier + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration($3, false, NULL, NULL); + decl->set_location(yylloc); + + $$ = $1; + $$->declarations.push_tail(&decl->link); + state->symbols->add_variable(new(state) ir_variable(NULL, $3, ir_var_auto)); + } + | init_declarator_list ',' any_identifier '[' ']' + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration($3, true, NULL, NULL); + decl->set_location(yylloc); + + $$ = $1; + $$->declarations.push_tail(&decl->link); + state->symbols->add_variable(new(state) ir_variable(NULL, $3, ir_var_auto)); + } + | init_declarator_list ',' any_identifier '[' constant_expression ']' + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration($3, true, $5, NULL); + decl->set_location(yylloc); + + $$ = $1; + $$->declarations.push_tail(&decl->link); + state->symbols->add_variable(new(state) ir_variable(NULL, $3, ir_var_auto)); + } + | init_declarator_list ',' any_identifier '[' ']' '=' initializer + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration($3, true, NULL, $7); + decl->set_location(yylloc); + + $$ = $1; + $$->declarations.push_tail(&decl->link); + state->symbols->add_variable(new(state) ir_variable(NULL, $3, ir_var_auto)); + if ($7->oper == ast_aggregate) { + ast_aggregate_initializer *ai = (ast_aggregate_initializer *)$7; + ast_type_specifier *type = new(ctx) ast_type_specifier($1->type->specifier, true, NULL); + _mesa_ast_set_aggregate_type(type, ai, state); + } + } + | init_declarator_list ',' any_identifier '[' constant_expression ']' '=' initializer + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration($3, true, $5, $8); + decl->set_location(yylloc); + + $$ = $1; + $$->declarations.push_tail(&decl->link); + state->symbols->add_variable(new(state) ir_variable(NULL, $3, ir_var_auto)); + if ($8->oper == ast_aggregate) { + ast_aggregate_initializer *ai = (ast_aggregate_initializer *)$8; + ast_type_specifier *type = new(ctx) ast_type_specifier($1->type->specifier, true, $5); + _mesa_ast_set_aggregate_type(type, ai, state); + } + } + | init_declarator_list ',' any_identifier '=' initializer + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration($3, false, NULL, $5); + decl->set_location(yylloc); + + $$ = $1; + $$->declarations.push_tail(&decl->link); + state->symbols->add_variable(new(state) ir_variable(NULL, $3, ir_var_auto)); + if ($5->oper == ast_aggregate) { + ast_aggregate_initializer *ai = (ast_aggregate_initializer *)$5; + _mesa_ast_set_aggregate_type($1->type->specifier, ai, state); + } + } + ; + + // Grammar Note: No 'enum', or 'typedef'. single_declaration: - fully_specified_type - { - void *ctx = state; - /* Empty declaration list is valid. */ - $$ = new(ctx) ast_declarator_list($1); - $$->set_location(yylloc); - } - | fully_specified_type any_identifier - { - void *ctx = state; - ast_declaration *decl = new(ctx) ast_declaration($2, false, NULL, NULL); - - $$ = new(ctx) ast_declarator_list($1); - $$->set_location(yylloc); - $$->declarations.push_tail(&decl->link); - } - | fully_specified_type any_identifier '[' ']' - { - void *ctx = state; - ast_declaration *decl = new(ctx) ast_declaration($2, true, NULL, NULL); - - $$ = new(ctx) ast_declarator_list($1); - $$->set_location(yylloc); - $$->declarations.push_tail(&decl->link); - } - | fully_specified_type any_identifier '[' constant_expression ']' - { - void *ctx = state; - ast_declaration *decl = new(ctx) ast_declaration($2, true, $4, NULL); - - $$ = new(ctx) ast_declarator_list($1); - $$->set_location(yylloc); - $$->declarations.push_tail(&decl->link); - } - | fully_specified_type any_identifier '[' ']' '=' initializer - { - void *ctx = state; - ast_declaration *decl = new(ctx) ast_declaration($2, true, NULL, $6); - - $$ = new(ctx) ast_declarator_list($1); - $$->set_location(yylloc); - $$->declarations.push_tail(&decl->link); - if ($6->oper == ast_aggregate) { - ast_aggregate_initializer *ai = (ast_aggregate_initializer *)$6; - ast_type_specifier *type = new(ctx) ast_type_specifier($1->specifier, true, NULL); - _mesa_ast_set_aggregate_type(type, ai, state); - } - } - | fully_specified_type any_identifier '[' constant_expression ']' '=' initializer - { - void *ctx = state; - ast_declaration *decl = new(ctx) ast_declaration($2, true, $4, $7); - - $$ = new(ctx) ast_declarator_list($1); - $$->set_location(yylloc); - $$->declarations.push_tail(&decl->link); - if ($7->oper == ast_aggregate) { - ast_aggregate_initializer *ai = (ast_aggregate_initializer *)$7; - ast_type_specifier *type = new(ctx) ast_type_specifier($1->specifier, true, $4); - _mesa_ast_set_aggregate_type(type, ai, state); - } - } - | fully_specified_type any_identifier '=' initializer - { - void *ctx = state; - ast_declaration *decl = new(ctx) ast_declaration($2, false, NULL, $4); - - $$ = new(ctx) ast_declarator_list($1); - $$->set_location(yylloc); - $$->declarations.push_tail(&decl->link); - if ($4->oper == ast_aggregate) { - _mesa_ast_set_aggregate_type($1->specifier, $4, state); - } - } - | INVARIANT variable_identifier // Vertex only. - { - void *ctx = state; - ast_declaration *decl = new(ctx) ast_declaration($2, false, NULL, NULL); - - $$ = new(ctx) ast_declarator_list(NULL); - $$->set_location(yylloc); - $$->invariant = true; - - $$->declarations.push_tail(&decl->link); - } - ; + fully_specified_type + { + void *ctx = state; + /* Empty declaration list is valid. */ + $$ = new(ctx) ast_declarator_list($1); + $$->set_location(yylloc); + } + | fully_specified_type any_identifier + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration($2, false, NULL, NULL); + + $$ = new(ctx) ast_declarator_list($1); + $$->set_location(yylloc); + $$->declarations.push_tail(&decl->link); + } + | fully_specified_type any_identifier '[' ']' + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration($2, true, NULL, NULL); + + $$ = new(ctx) ast_declarator_list($1); + $$->set_location(yylloc); + $$->declarations.push_tail(&decl->link); + } + | fully_specified_type any_identifier '[' constant_expression ']' + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration($2, true, $4, NULL); + + $$ = new(ctx) ast_declarator_list($1); + $$->set_location(yylloc); + $$->declarations.push_tail(&decl->link); + } + | fully_specified_type any_identifier '[' ']' '=' initializer + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration($2, true, NULL, $6); + + $$ = new(ctx) ast_declarator_list($1); + $$->set_location(yylloc); + $$->declarations.push_tail(&decl->link); + if ($6->oper == ast_aggregate) { + ast_aggregate_initializer *ai = (ast_aggregate_initializer *)$6; + ast_type_specifier *type = new(ctx) ast_type_specifier($1->specifier, true, NULL); + _mesa_ast_set_aggregate_type(type, ai, state); + } + } + | fully_specified_type any_identifier '[' constant_expression ']' '=' initializer + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration($2, true, $4, $7); + + $$ = new(ctx) ast_declarator_list($1); + $$->set_location(yylloc); + $$->declarations.push_tail(&decl->link); + if ($7->oper == ast_aggregate) { + ast_aggregate_initializer *ai = (ast_aggregate_initializer *)$7; + ast_type_specifier *type = new(ctx) ast_type_specifier($1->specifier, true, $4); + _mesa_ast_set_aggregate_type(type, ai, state); + } + } + | fully_specified_type any_identifier '=' initializer + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration($2, false, NULL, $4); + + $$ = new(ctx) ast_declarator_list($1); + $$->set_location(yylloc); + $$->declarations.push_tail(&decl->link); + if ($4->oper == ast_aggregate) { + _mesa_ast_set_aggregate_type($1->specifier, $4, state); + } + } + | INVARIANT variable_identifier // Vertex only. + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration($2, false, NULL, NULL); + + $$ = new(ctx) ast_declarator_list(NULL); + $$->set_location(yylloc); + $$->invariant = true; + + $$->declarations.push_tail(&decl->link); + } + ; fully_specified_type: - type_specifier - { - void *ctx = state; - $$ = new(ctx) ast_fully_specified_type(); - $$->set_location(yylloc); - $$->specifier = $1; - } - | type_qualifier type_specifier - { - void *ctx = state; - $$ = new(ctx) ast_fully_specified_type(); - $$->set_location(yylloc); - $$->qualifier = $1; - $$->specifier = $2; - } - ; + type_specifier + { + void *ctx = state; + $$ = new(ctx) ast_fully_specified_type(); + $$->set_location(yylloc); + $$->specifier = $1; + } + | type_qualifier type_specifier + { + void *ctx = state; + $$ = new(ctx) ast_fully_specified_type(); + $$->set_location(yylloc); + $$->qualifier = $1; + $$->specifier = $2; + } + ; layout_qualifier: - LAYOUT_TOK '(' layout_qualifier_id_list ')' - { - $$ = $3; - } - ; + LAYOUT_TOK '(' layout_qualifier_id_list ')' + { + $$ = $3; + } + ; layout_qualifier_id_list: - layout_qualifier_id - | layout_qualifier_id_list ',' layout_qualifier_id - { - $$ = $1; - if (!$$.merge_qualifier(& @3, state, $3)) { - YYERROR; - } - } - ; + layout_qualifier_id + | layout_qualifier_id_list ',' layout_qualifier_id + { + $$ = $1; + if (!$$.merge_qualifier(& @3, state, $3)) { + YYERROR; + } + } + ; integer_constant: - INTCONSTANT { $$ = $1; } - | UINTCONSTANT { $$ = $1; } - ; + INTCONSTANT { $$ = $1; } + | UINTCONSTANT { $$ = $1; } + ; layout_qualifier_id: - any_identifier - { - memset(& $$, 0, sizeof($$)); - - /* Layout qualifiers for ARB_fragment_coord_conventions. */ - if (!$$.flags.i && state->ARB_fragment_coord_conventions_enable) { - if (strcmp($1, "origin_upper_left") == 0) { - $$.flags.q.origin_upper_left = 1; - } else if (strcmp($1, "pixel_center_integer") == 0) { - $$.flags.q.pixel_center_integer = 1; - } - - if ($$.flags.i && 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/ARB_conservative_depth. */ - if (!$$.flags.i && - (state->AMD_conservative_depth_enable || - state->ARB_conservative_depth_enable)) { - if (strcmp($1, "depth_any") == 0) { - $$.flags.q.depth_any = 1; - } else if (strcmp($1, "depth_greater") == 0) { - $$.flags.q.depth_greater = 1; - } else if (strcmp($1, "depth_less") == 0) { - $$.flags.q.depth_less = 1; - } else if (strcmp($1, "depth_unchanged") == 0) { - $$.flags.q.depth_unchanged = 1; - } - - if ($$.flags.i && state->AMD_conservative_depth_warn) { - _mesa_glsl_warning(& @1, state, - "GL_AMD_conservative_depth " - "layout qualifier `%s' is used\n", $1); - } - if ($$.flags.i && state->ARB_conservative_depth_warn) { - _mesa_glsl_warning(& @1, state, - "GL_ARB_conservative_depth " - "layout qualifier `%s' is used\n", $1); - } - } - - /* See also interface_block_layout_qualifier. */ - if (!$$.flags.i && state->ARB_uniform_buffer_object_enable) { - if (strcmp($1, "std140") == 0) { - $$.flags.q.std140 = 1; - } else if (strcmp($1, "shared") == 0) { - $$.flags.q.shared = 1; - } else if (strcmp($1, "column_major") == 0) { - $$.flags.q.column_major = 1; - /* "row_major" is a reserved word in GLSL 1.30+. Its token is parsed - * below in the interface_block_layout_qualifier rule. - * - * It is not a reserved word in GLSL ES 3.00, so it's handled here as - * an identifier. - */ - } else if (strcmp($1, "row_major") == 0) { - $$.flags.q.row_major = 1; - } - - if ($$.flags.i && state->ARB_uniform_buffer_object_warn) { - _mesa_glsl_warning(& @1, state, - "#version 140 / GL_ARB_uniform_buffer_object " - "layout qualifier `%s' is used\n", $1); - } - } - - if (!$$.flags.i) { - _mesa_glsl_error(& @1, state, "unrecognized layout identifier " - "`%s'\n", $1); - YYERROR; - } - } - | any_identifier '=' integer_constant - { - memset(& $$, 0, sizeof($$)); - - if (state->ARB_explicit_attrib_location_enable) { - if (strcmp("location", $1) == 0) { - $$.flags.q.explicit_location = 1; - - if ($3 >= 0) { - $$.location = $3; - } else { - _mesa_glsl_error(& @3, state, - "invalid location %d specified\n", $3); - YYERROR; - } - } - - if (strcmp("index", $1) == 0) { - $$.flags.q.explicit_index = 1; - - if ($3 >= 0) { - $$.index = $3; - } else { - _mesa_glsl_error(& @3, state, - "invalid index %d specified\n", $3); - YYERROR; - } - } - } - - /* If the identifier didn't match any known layout identifiers, - * emit an error. - */ - if (!$$.flags.i) { - _mesa_glsl_error(& @1, state, "unrecognized layout identifier " - "`%s'\n", $1); - YYERROR; - } else if (state->ARB_explicit_attrib_location_warn) { - _mesa_glsl_warning(& @1, state, - "GL_ARB_explicit_attrib_location layout " - "identifier `%s' used\n", $1); - } - } - | interface_block_layout_qualifier - { - $$ = $1; - /* Layout qualifiers for ARB_uniform_buffer_object. */ - if ($$.flags.q.uniform && !state->ARB_uniform_buffer_object_enable) { - _mesa_glsl_error(& @1, state, - "#version 140 / GL_ARB_uniform_buffer_object " - "layout qualifier `%s' is used\n", $1); - } else if ($$.flags.q.uniform && state->ARB_uniform_buffer_object_warn) { - _mesa_glsl_warning(& @1, state, - "#version 140 / GL_ARB_uniform_buffer_object " - "layout qualifier `%s' is used\n", $1); - } - } - ; + any_identifier + { + memset(& $$, 0, sizeof($$)); + + /* Layout qualifiers for ARB_fragment_coord_conventions. */ + if (!$$.flags.i && state->ARB_fragment_coord_conventions_enable) { + if (strcmp($1, "origin_upper_left") == 0) { + $$.flags.q.origin_upper_left = 1; + } else if (strcmp($1, "pixel_center_integer") == 0) { + $$.flags.q.pixel_center_integer = 1; + } + + if ($$.flags.i && 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/ARB_conservative_depth. */ + if (!$$.flags.i && + (state->AMD_conservative_depth_enable || + state->ARB_conservative_depth_enable)) { + if (strcmp($1, "depth_any") == 0) { + $$.flags.q.depth_any = 1; + } else if (strcmp($1, "depth_greater") == 0) { + $$.flags.q.depth_greater = 1; + } else if (strcmp($1, "depth_less") == 0) { + $$.flags.q.depth_less = 1; + } else if (strcmp($1, "depth_unchanged") == 0) { + $$.flags.q.depth_unchanged = 1; + } + + if ($$.flags.i && state->AMD_conservative_depth_warn) { + _mesa_glsl_warning(& @1, state, + "GL_AMD_conservative_depth " + "layout qualifier `%s' is used\n", $1); + } + if ($$.flags.i && state->ARB_conservative_depth_warn) { + _mesa_glsl_warning(& @1, state, + "GL_ARB_conservative_depth " + "layout qualifier `%s' is used\n", $1); + } + } + + /* See also interface_block_layout_qualifier. */ + if (!$$.flags.i && state->ARB_uniform_buffer_object_enable) { + if (strcmp($1, "std140") == 0) { + $$.flags.q.std140 = 1; + } else if (strcmp($1, "shared") == 0) { + $$.flags.q.shared = 1; + } else if (strcmp($1, "column_major") == 0) { + $$.flags.q.column_major = 1; + /* "row_major" is a reserved word in GLSL 1.30+. Its token is parsed + * below in the interface_block_layout_qualifier rule. + * + * It is not a reserved word in GLSL ES 3.00, so it's handled here as + * an identifier. + */ + } else if (strcmp($1, "row_major") == 0) { + $$.flags.q.row_major = 1; + } + + if ($$.flags.i && state->ARB_uniform_buffer_object_warn) { + _mesa_glsl_warning(& @1, state, + "#version 140 / GL_ARB_uniform_buffer_object " + "layout qualifier `%s' is used\n", $1); + } + } + + if (!$$.flags.i) { + _mesa_glsl_error(& @1, state, "unrecognized layout identifier " + "`%s'\n", $1); + YYERROR; + } + } + | any_identifier '=' integer_constant + { + memset(& $$, 0, sizeof($$)); + + if (state->ARB_explicit_attrib_location_enable) { + if (strcmp("location", $1) == 0) { + $$.flags.q.explicit_location = 1; + + if ($3 >= 0) { + $$.location = $3; + } else { + _mesa_glsl_error(& @3, state, + "invalid location %d specified\n", $3); + YYERROR; + } + } + + if (strcmp("index", $1) == 0) { + $$.flags.q.explicit_index = 1; + + if ($3 >= 0) { + $$.index = $3; + } else { + _mesa_glsl_error(& @3, state, + "invalid index %d specified\n", $3); + YYERROR; + } + } + } + + /* If the identifier didn't match any known layout identifiers, + * emit an error. + */ + if (!$$.flags.i) { + _mesa_glsl_error(& @1, state, "unrecognized layout identifier " + "`%s'\n", $1); + YYERROR; + } else if (state->ARB_explicit_attrib_location_warn) { + _mesa_glsl_warning(& @1, state, + "GL_ARB_explicit_attrib_location layout " + "identifier `%s' used\n", $1); + } + } + | interface_block_layout_qualifier + { + $$ = $1; + /* Layout qualifiers for ARB_uniform_buffer_object. */ + if ($$.flags.q.uniform && !state->ARB_uniform_buffer_object_enable) { + _mesa_glsl_error(& @1, state, + "#version 140 / GL_ARB_uniform_buffer_object " + "layout qualifier `%s' is used\n", $1); + } else if ($$.flags.q.uniform && state->ARB_uniform_buffer_object_warn) { + _mesa_glsl_warning(& @1, state, + "#version 140 / GL_ARB_uniform_buffer_object " + "layout qualifier `%s' is used\n", $1); + } + } + ; /* This is a separate language rule because we parse these as tokens * (due to them being reserved keywords) instead of identifiers like @@ -1271,892 +1275,887 @@ layout_qualifier_id: * layout_qualifier_id for the others. */ interface_block_layout_qualifier: - ROW_MAJOR - { - memset(& $$, 0, sizeof($$)); - $$.flags.q.row_major = 1; - } - | PACKED_TOK - { - memset(& $$, 0, sizeof($$)); - $$.flags.q.packed = 1; - } - ; + ROW_MAJOR + { + memset(& $$, 0, sizeof($$)); + $$.flags.q.row_major = 1; + } + | PACKED_TOK + { + memset(& $$, 0, sizeof($$)); + $$.flags.q.packed = 1; + } + ; interpolation_qualifier: - SMOOTH - { - memset(& $$, 0, sizeof($$)); - $$.flags.q.smooth = 1; - } - | FLAT - { - memset(& $$, 0, sizeof($$)); - $$.flags.q.flat = 1; - } - | NOPERSPECTIVE - { - memset(& $$, 0, sizeof($$)); - $$.flags.q.noperspective = 1; - } - ; + SMOOTH + { + memset(& $$, 0, sizeof($$)); + $$.flags.q.smooth = 1; + } + | FLAT + { + memset(& $$, 0, sizeof($$)); + $$.flags.q.flat = 1; + } + | NOPERSPECTIVE + { + memset(& $$, 0, sizeof($$)); + $$.flags.q.noperspective = 1; + } + ; parameter_type_qualifier: - CONST_TOK - { - memset(& $$, 0, sizeof($$)); - $$.flags.q.constant = 1; - } - ; + CONST_TOK + { + memset(& $$, 0, sizeof($$)); + $$.flags.q.constant = 1; + } + ; type_qualifier: - storage_qualifier - | layout_qualifier - | layout_qualifier storage_qualifier - { - $$ = $1; - $$.flags.i |= $2.flags.i; - } - | interpolation_qualifier - | interpolation_qualifier storage_qualifier - { - $$ = $1; - $$.flags.i |= $2.flags.i; - } - | INVARIANT storage_qualifier - { - $$ = $2; - $$.flags.q.invariant = 1; - } - | INVARIANT interpolation_qualifier storage_qualifier - { - $$ = $2; - $$.flags.i |= $3.flags.i; - $$.flags.q.invariant = 1; - } - | INVARIANT - { - memset(& $$, 0, sizeof($$)); - $$.flags.q.invariant = 1; - } - ; + storage_qualifier + | layout_qualifier + | layout_qualifier storage_qualifier + { + $$ = $1; + $$.flags.i |= $2.flags.i; + } + | interpolation_qualifier + | interpolation_qualifier storage_qualifier + { + $$ = $1; + $$.flags.i |= $2.flags.i; + } + | INVARIANT storage_qualifier + { + $$ = $2; + $$.flags.q.invariant = 1; + } + | INVARIANT interpolation_qualifier storage_qualifier + { + $$ = $2; + $$.flags.i |= $3.flags.i; + $$.flags.q.invariant = 1; + } + | INVARIANT + { + memset(& $$, 0, sizeof($$)); + $$.flags.q.invariant = 1; + } + ; storage_qualifier: - CONST_TOK - { - memset(& $$, 0, sizeof($$)); - $$.flags.q.constant = 1; - } - | ATTRIBUTE - { - memset(& $$, 0, sizeof($$)); - $$.flags.q.attribute = 1; - } - | VARYING - { - memset(& $$, 0, sizeof($$)); - $$.flags.q.varying = 1; - } - | CENTROID VARYING - { - memset(& $$, 0, sizeof($$)); - $$.flags.q.centroid = 1; - $$.flags.q.varying = 1; - } - | IN_TOK - { - memset(& $$, 0, sizeof($$)); - $$.flags.q.in = 1; - } - | OUT_TOK - { - memset(& $$, 0, sizeof($$)); - $$.flags.q.out = 1; - } - | CENTROID IN_TOK - { - memset(& $$, 0, sizeof($$)); - $$.flags.q.centroid = 1; $$.flags.q.in = 1; - } - | CENTROID OUT_TOK - { - memset(& $$, 0, sizeof($$)); - $$.flags.q.centroid = 1; $$.flags.q.out = 1; - } - | UNIFORM - { - memset(& $$, 0, sizeof($$)); - $$.flags.q.uniform = 1; - } - ; + CONST_TOK + { + memset(& $$, 0, sizeof($$)); + $$.flags.q.constant = 1; + } + | ATTRIBUTE + { + memset(& $$, 0, sizeof($$)); + $$.flags.q.attribute = 1; + } + | VARYING + { + memset(& $$, 0, sizeof($$)); + $$.flags.q.varying = 1; + } + | CENTROID VARYING + { + memset(& $$, 0, sizeof($$)); + $$.flags.q.centroid = 1; + $$.flags.q.varying = 1; + } + | IN_TOK + { + memset(& $$, 0, sizeof($$)); + $$.flags.q.in = 1; + } + | OUT_TOK + { + memset(& $$, 0, sizeof($$)); + $$.flags.q.out = 1; + } + | CENTROID IN_TOK + { + memset(& $$, 0, sizeof($$)); + $$.flags.q.centroid = 1; $$.flags.q.in = 1; + } + | CENTROID OUT_TOK + { + memset(& $$, 0, sizeof($$)); + $$.flags.q.centroid = 1; $$.flags.q.out = 1; + } + | UNIFORM + { + memset(& $$, 0, sizeof($$)); + $$.flags.q.uniform = 1; + } + ; type_specifier: - type_specifier_no_prec - { - $$ = $1; - } - | precision_qualifier type_specifier_no_prec - { - $$ = $2; - $$->precision = $1; - } - ; + type_specifier_no_prec + { + $$ = $1; + } + | precision_qualifier type_specifier_no_prec + { + $$ = $2; + $$->precision = $1; + } + ; type_specifier_no_prec: - type_specifier_nonarray - | type_specifier_nonarray '[' ']' - { - $$ = $1; - $$->is_array = true; - $$->array_size = NULL; - } - | type_specifier_nonarray '[' constant_expression ']' - { - $$ = $1; - $$->is_array = true; - $$->array_size = $3; - } - ; + type_specifier_nonarray + | type_specifier_nonarray '[' ']' + { + $$ = $1; + $$->is_array = true; + $$->array_size = NULL; + } + | type_specifier_nonarray '[' constant_expression ']' + { + $$ = $1; + $$->is_array = true; + $$->array_size = $3; + } + ; type_specifier_nonarray: - basic_type_specifier_nonarray - { - void *ctx = state; - $$ = new(ctx) ast_type_specifier($1); - $$->set_location(yylloc); - } - | struct_specifier - { - void *ctx = state; - $$ = new(ctx) ast_type_specifier($1); - $$->set_location(yylloc); - } - | TYPE_IDENTIFIER - { - void *ctx = state; - $$ = new(ctx) ast_type_specifier($1); - $$->set_location(yylloc); - } - ; + basic_type_specifier_nonarray + { + void *ctx = state; + $$ = new(ctx) ast_type_specifier($1); + $$->set_location(yylloc); + } + | struct_specifier + { + void *ctx = state; + $$ = new(ctx) ast_type_specifier($1); + $$->set_location(yylloc); + } + | TYPE_IDENTIFIER + { + void *ctx = state; + $$ = new(ctx) ast_type_specifier($1); + $$->set_location(yylloc); + } + ; basic_type_specifier_nonarray: - VOID_TOK { $$ = "void"; } - | FLOAT_TOK { $$ = "float"; } - | INT_TOK { $$ = "int"; } - | UINT_TOK { $$ = "uint"; } - | BOOL_TOK { $$ = "bool"; } - | VEC2 { $$ = "vec2"; } - | VEC3 { $$ = "vec3"; } - | VEC4 { $$ = "vec4"; } - | BVEC2 { $$ = "bvec2"; } - | BVEC3 { $$ = "bvec3"; } - | BVEC4 { $$ = "bvec4"; } - | IVEC2 { $$ = "ivec2"; } - | IVEC3 { $$ = "ivec3"; } - | IVEC4 { $$ = "ivec4"; } - | UVEC2 { $$ = "uvec2"; } - | UVEC3 { $$ = "uvec3"; } - | UVEC4 { $$ = "uvec4"; } - | MAT2X2 { $$ = "mat2"; } - | MAT2X3 { $$ = "mat2x3"; } - | MAT2X4 { $$ = "mat2x4"; } - | MAT3X2 { $$ = "mat3x2"; } - | MAT3X3 { $$ = "mat3"; } - | MAT3X4 { $$ = "mat3x4"; } - | MAT4X2 { $$ = "mat4x2"; } - | MAT4X3 { $$ = "mat4x3"; } - | MAT4X4 { $$ = "mat4"; } - | SAMPLER1D { $$ = "sampler1D"; } - | SAMPLER2D { $$ = "sampler2D"; } - | SAMPLER2DRECT { $$ = "sampler2DRect"; } - | SAMPLER3D { $$ = "sampler3D"; } - | SAMPLERCUBE { $$ = "samplerCube"; } - | SAMPLEREXTERNALOES { $$ = "samplerExternalOES"; } - | SAMPLER1DSHADOW { $$ = "sampler1DShadow"; } - | SAMPLER2DSHADOW { $$ = "sampler2DShadow"; } - | SAMPLER2DRECTSHADOW { $$ = "sampler2DRectShadow"; } - | SAMPLERCUBESHADOW { $$ = "samplerCubeShadow"; } - | SAMPLER1DARRAY { $$ = "sampler1DArray"; } - | SAMPLER2DARRAY { $$ = "sampler2DArray"; } - | SAMPLER1DARRAYSHADOW { $$ = "sampler1DArrayShadow"; } - | SAMPLER2DARRAYSHADOW { $$ = "sampler2DArrayShadow"; } - | SAMPLERBUFFER { $$ = "samplerBuffer"; } - | SAMPLERCUBEARRAY { $$ = "samplerCubeArray"; } - | SAMPLERCUBEARRAYSHADOW { $$ = "samplerCubeArrayShadow"; } - | ISAMPLER1D { $$ = "isampler1D"; } - | ISAMPLER2D { $$ = "isampler2D"; } - | ISAMPLER2DRECT { $$ = "isampler2DRect"; } - | ISAMPLER3D { $$ = "isampler3D"; } - | ISAMPLERCUBE { $$ = "isamplerCube"; } - | ISAMPLER1DARRAY { $$ = "isampler1DArray"; } - | ISAMPLER2DARRAY { $$ = "isampler2DArray"; } - | ISAMPLERBUFFER { $$ = "isamplerBuffer"; } - | ISAMPLERCUBEARRAY { $$ = "isamplerCubeArray"; } - | USAMPLER1D { $$ = "usampler1D"; } - | USAMPLER2D { $$ = "usampler2D"; } - | USAMPLER2DRECT { $$ = "usampler2DRect"; } - | USAMPLER3D { $$ = "usampler3D"; } - | USAMPLERCUBE { $$ = "usamplerCube"; } - | USAMPLER1DARRAY { $$ = "usampler1DArray"; } - | USAMPLER2DARRAY { $$ = "usampler2DArray"; } - | USAMPLERBUFFER { $$ = "usamplerBuffer"; } - | USAMPLERCUBEARRAY { $$ = "usamplerCubeArray"; } - | SAMPLER2DMS { $$ = "sampler2DMS"; } - | ISAMPLER2DMS { $$ = "isampler2DMS"; } - | USAMPLER2DMS { $$ = "usampler2DMS"; } - | SAMPLER2DMSARRAY { $$ = "sampler2DMSArray"; } - | ISAMPLER2DMSARRAY { $$ = "isampler2DMSArray"; } - | USAMPLER2DMSARRAY { $$ = "usampler2DMSArray"; } - ; + VOID_TOK { $$ = "void"; } + | FLOAT_TOK { $$ = "float"; } + | INT_TOK { $$ = "int"; } + | UINT_TOK { $$ = "uint"; } + | BOOL_TOK { $$ = "bool"; } + | VEC2 { $$ = "vec2"; } + | VEC3 { $$ = "vec3"; } + | VEC4 { $$ = "vec4"; } + | BVEC2 { $$ = "bvec2"; } + | BVEC3 { $$ = "bvec3"; } + | BVEC4 { $$ = "bvec4"; } + | IVEC2 { $$ = "ivec2"; } + | IVEC3 { $$ = "ivec3"; } + | IVEC4 { $$ = "ivec4"; } + | UVEC2 { $$ = "uvec2"; } + | UVEC3 { $$ = "uvec3"; } + | UVEC4 { $$ = "uvec4"; } + | MAT2X2 { $$ = "mat2"; } + | MAT2X3 { $$ = "mat2x3"; } + | MAT2X4 { $$ = "mat2x4"; } + | MAT3X2 { $$ = "mat3x2"; } + | MAT3X3 { $$ = "mat3"; } + | MAT3X4 { $$ = "mat3x4"; } + | MAT4X2 { $$ = "mat4x2"; } + | MAT4X3 { $$ = "mat4x3"; } + | MAT4X4 { $$ = "mat4"; } + | SAMPLER1D { $$ = "sampler1D"; } + | SAMPLER2D { $$ = "sampler2D"; } + | SAMPLER2DRECT { $$ = "sampler2DRect"; } + | SAMPLER3D { $$ = "sampler3D"; } + | SAMPLERCUBE { $$ = "samplerCube"; } + | SAMPLEREXTERNALOES { $$ = "samplerExternalOES"; } + | SAMPLER1DSHADOW { $$ = "sampler1DShadow"; } + | SAMPLER2DSHADOW { $$ = "sampler2DShadow"; } + | SAMPLER2DRECTSHADOW { $$ = "sampler2DRectShadow"; } + | SAMPLERCUBESHADOW { $$ = "samplerCubeShadow"; } + | SAMPLER1DARRAY { $$ = "sampler1DArray"; } + | SAMPLER2DARRAY { $$ = "sampler2DArray"; } + | SAMPLER1DARRAYSHADOW { $$ = "sampler1DArrayShadow"; } + | SAMPLER2DARRAYSHADOW { $$ = "sampler2DArrayShadow"; } + | SAMPLERBUFFER { $$ = "samplerBuffer"; } + | SAMPLERCUBEARRAY { $$ = "samplerCubeArray"; } + | SAMPLERCUBEARRAYSHADOW { $$ = "samplerCubeArrayShadow"; } + | ISAMPLER1D { $$ = "isampler1D"; } + | ISAMPLER2D { $$ = "isampler2D"; } + | ISAMPLER2DRECT { $$ = "isampler2DRect"; } + | ISAMPLER3D { $$ = "isampler3D"; } + | ISAMPLERCUBE { $$ = "isamplerCube"; } + | ISAMPLER1DARRAY { $$ = "isampler1DArray"; } + | ISAMPLER2DARRAY { $$ = "isampler2DArray"; } + | ISAMPLERBUFFER { $$ = "isamplerBuffer"; } + | ISAMPLERCUBEARRAY { $$ = "isamplerCubeArray"; } + | USAMPLER1D { $$ = "usampler1D"; } + | USAMPLER2D { $$ = "usampler2D"; } + | USAMPLER2DRECT { $$ = "usampler2DRect"; } + | USAMPLER3D { $$ = "usampler3D"; } + | USAMPLERCUBE { $$ = "usamplerCube"; } + | USAMPLER1DARRAY { $$ = "usampler1DArray"; } + | USAMPLER2DARRAY { $$ = "usampler2DArray"; } + | USAMPLERBUFFER { $$ = "usamplerBuffer"; } + | USAMPLERCUBEARRAY { $$ = "usamplerCubeArray"; } + | SAMPLER2DMS { $$ = "sampler2DMS"; } + | ISAMPLER2DMS { $$ = "isampler2DMS"; } + | USAMPLER2DMS { $$ = "usampler2DMS"; } + | SAMPLER2DMSARRAY { $$ = "sampler2DMSArray"; } + | ISAMPLER2DMSARRAY { $$ = "isampler2DMSArray"; } + | USAMPLER2DMSARRAY { $$ = "usampler2DMSArray"; } + ; precision_qualifier: - HIGHP { - state->check_precision_qualifiers_allowed(&@1); - - $$ = ast_precision_high; - } - | MEDIUMP { - state->check_precision_qualifiers_allowed(&@1); - - $$ = ast_precision_medium; - } - | LOWP { - state->check_precision_qualifiers_allowed(&@1); - - $$ = ast_precision_low; - } - ; + HIGHP + { + state->check_precision_qualifiers_allowed(&@1); + $$ = ast_precision_high; + } + | MEDIUMP + { + state->check_precision_qualifiers_allowed(&@1); + $$ = ast_precision_medium; + } + | LOWP + { + state->check_precision_qualifiers_allowed(&@1); + $$ = ast_precision_low; + } + ; struct_specifier: - STRUCT any_identifier '{' struct_declaration_list '}' - { - void *ctx = state; - $$ = new(ctx) ast_struct_specifier($2, $4); - $$->set_location(yylloc); - state->symbols->add_type($2, glsl_type::void_type); - state->symbols->add_type_ast($2, new(ctx) ast_type_specifier($$)); - } - | STRUCT '{' struct_declaration_list '}' - { - void *ctx = state; - $$ = new(ctx) ast_struct_specifier(NULL, $3); - $$->set_location(yylloc); - } - ; + STRUCT any_identifier '{' struct_declaration_list '}' + { + void *ctx = state; + $$ = new(ctx) ast_struct_specifier($2, $4); + $$->set_location(yylloc); + state->symbols->add_type($2, glsl_type::void_type); + state->symbols->add_type_ast($2, new(ctx) ast_type_specifier($$)); + } + | STRUCT '{' struct_declaration_list '}' + { + void *ctx = state; + $$ = new(ctx) ast_struct_specifier(NULL, $3); + $$->set_location(yylloc); + } + ; struct_declaration_list: - struct_declaration - { - $$ = $1; - $1->link.self_link(); - } - | struct_declaration_list struct_declaration - { - $$ = $1; - $$->link.insert_before(& $2->link); - } - ; + struct_declaration + { + $$ = $1; + $1->link.self_link(); + } + | struct_declaration_list struct_declaration + { + $$ = $1; + $$->link.insert_before(& $2->link); + } + ; struct_declaration: - type_specifier struct_declarator_list ';' - { - void *ctx = state; - ast_fully_specified_type *type = new(ctx) ast_fully_specified_type(); - type->set_location(yylloc); + type_specifier struct_declarator_list ';' + { + void *ctx = state; + ast_fully_specified_type *type = new(ctx) ast_fully_specified_type(); + type->set_location(yylloc); - type->specifier = $1; - $$ = new(ctx) ast_declarator_list(type); - $$->set_location(yylloc); + type->specifier = $1; + $$ = new(ctx) ast_declarator_list(type); + $$->set_location(yylloc); - $$->declarations.push_degenerate_list_at_head(& $2->link); - } - ; + $$->declarations.push_degenerate_list_at_head(& $2->link); + } + ; struct_declarator_list: - struct_declarator - { - $$ = $1; - $1->link.self_link(); - } - | struct_declarator_list ',' struct_declarator - { - $$ = $1; - $$->link.insert_before(& $3->link); - } - ; + struct_declarator + { + $$ = $1; + $1->link.self_link(); + } + | struct_declarator_list ',' struct_declarator + { + $$ = $1; + $$->link.insert_before(& $3->link); + } + ; struct_declarator: - any_identifier - { - void *ctx = state; - $$ = new(ctx) ast_declaration($1, false, NULL, NULL); - $$->set_location(yylloc); - } - | any_identifier '[' constant_expression ']' - { - void *ctx = state; - $$ = new(ctx) ast_declaration($1, true, $3, NULL); - $$->set_location(yylloc); - } - ; + any_identifier + { + void *ctx = state; + $$ = new(ctx) ast_declaration($1, false, NULL, NULL); + $$->set_location(yylloc); + } + | any_identifier '[' constant_expression ']' + { + void *ctx = state; + $$ = new(ctx) ast_declaration($1, true, $3, NULL); + $$->set_location(yylloc); + } + ; initializer: - assignment_expression - | '{' initializer_list '}' - { - $$ = $2; - } - | '{' initializer_list ',' '}' - { - $$ = $2; - } - ; + assignment_expression + | '{' initializer_list '}' + { + $$ = $2; + } + | '{' initializer_list ',' '}' + { + $$ = $2; + } + ; initializer_list: - initializer - { - void *ctx = state; - $$ = new(ctx) ast_aggregate_initializer(); - $$->set_location(yylloc); - $$->expressions.push_tail(& $1->link); - } - | initializer_list ',' initializer - { - $1->expressions.push_tail(& $3->link); - } - ; + initializer + { + void *ctx = state; + $$ = new(ctx) ast_aggregate_initializer(); + $$->set_location(yylloc); + $$->expressions.push_tail(& $1->link); + } + | initializer_list ',' initializer + { + $1->expressions.push_tail(& $3->link); + } + ; declaration_statement: - declaration - ; + declaration + ; - // Grammar Note: labeled statements for SWITCH only; 'goto' is not - // supported. + // Grammar Note: labeled statements for SWITCH only; 'goto' is not + // supported. statement: - compound_statement { $$ = (ast_node *) $1; } - | simple_statement - ; + compound_statement { $$ = (ast_node *) $1; } + | simple_statement + ; simple_statement: - declaration_statement - | expression_statement - | selection_statement - | switch_statement - | iteration_statement - | jump_statement - ; + declaration_statement + | expression_statement + | selection_statement + | switch_statement + | iteration_statement + | jump_statement + ; compound_statement: - '{' '}' - { - void *ctx = state; - $$ = new(ctx) ast_compound_statement(true, NULL); - $$->set_location(yylloc); - } - | '{' - { - state->symbols->push_scope(); - } - statement_list '}' - { - void *ctx = state; - $$ = new(ctx) ast_compound_statement(true, $3); - $$->set_location(yylloc); - state->symbols->pop_scope(); - } - ; + '{' '}' + { + void *ctx = state; + $$ = new(ctx) ast_compound_statement(true, NULL); + $$->set_location(yylloc); + } + | '{' + { + state->symbols->push_scope(); + } + statement_list '}' + { + void *ctx = state; + $$ = new(ctx) ast_compound_statement(true, $3); + $$->set_location(yylloc); + state->symbols->pop_scope(); + } + ; statement_no_new_scope: - compound_statement_no_new_scope { $$ = (ast_node *) $1; } - | simple_statement - ; + compound_statement_no_new_scope { $$ = (ast_node *) $1; } + | simple_statement + ; compound_statement_no_new_scope: - '{' '}' - { - void *ctx = state; - $$ = new(ctx) ast_compound_statement(false, NULL); - $$->set_location(yylloc); - } - | '{' statement_list '}' - { - void *ctx = state; - $$ = new(ctx) ast_compound_statement(false, $2); - $$->set_location(yylloc); - } - ; + '{' '}' + { + void *ctx = state; + $$ = new(ctx) ast_compound_statement(false, NULL); + $$->set_location(yylloc); + } + | '{' statement_list '}' + { + void *ctx = state; + $$ = new(ctx) ast_compound_statement(false, $2); + $$->set_location(yylloc); + } + ; statement_list: - statement - { - if ($1 == NULL) { - _mesa_glsl_error(& @1, state, "<nil> statement\n"); - assert($1 != NULL); - } - - $$ = $1; - $$->link.self_link(); - } - | statement_list statement - { - if ($2 == NULL) { - _mesa_glsl_error(& @2, state, "<nil> statement\n"); - assert($2 != NULL); - } - $$ = $1; - $$->link.insert_before(& $2->link); - } - ; + statement + { + if ($1 == NULL) { + _mesa_glsl_error(& @1, state, "<nil> statement\n"); + assert($1 != NULL); + } + + $$ = $1; + $$->link.self_link(); + } + | statement_list statement + { + if ($2 == NULL) { + _mesa_glsl_error(& @2, state, "<nil> statement\n"); + assert($2 != NULL); + } + $$ = $1; + $$->link.insert_before(& $2->link); + } + ; expression_statement: - ';' - { - void *ctx = state; - $$ = new(ctx) ast_expression_statement(NULL); - $$->set_location(yylloc); - } - | expression ';' - { - void *ctx = state; - $$ = new(ctx) ast_expression_statement($1); - $$->set_location(yylloc); - } - ; + ';' + { + void *ctx = state; + $$ = new(ctx) ast_expression_statement(NULL); + $$->set_location(yylloc); + } + | expression ';' + { + void *ctx = state; + $$ = new(ctx) ast_expression_statement($1); + $$->set_location(yylloc); + } + ; selection_statement: - IF '(' expression ')' selection_rest_statement - { - $$ = new(state) ast_selection_statement($3, $5.then_statement, - $5.else_statement); - $$->set_location(yylloc); - } - ; + IF '(' expression ')' selection_rest_statement + { + $$ = new(state) ast_selection_statement($3, $5.then_statement, + $5.else_statement); + $$->set_location(yylloc); + } + ; selection_rest_statement: - statement ELSE statement - { - $$.then_statement = $1; - $$.else_statement = $3; - } - | statement - { - $$.then_statement = $1; - $$.else_statement = NULL; - } - ; + statement ELSE statement + { + $$.then_statement = $1; + $$.else_statement = $3; + } + | statement %prec THEN + { + $$.then_statement = $1; + $$.else_statement = NULL; + } + ; condition: - expression - { - $$ = (ast_node *) $1; - } - | fully_specified_type any_identifier '=' initializer - { - void *ctx = state; - ast_declaration *decl = new(ctx) ast_declaration($2, false, NULL, $4); - ast_declarator_list *declarator = new(ctx) ast_declarator_list($1); - decl->set_location(yylloc); - declarator->set_location(yylloc); - - declarator->declarations.push_tail(&decl->link); - $$ = declarator; - } - ; + expression + { + $$ = (ast_node *) $1; + } + | fully_specified_type any_identifier '=' initializer + { + void *ctx = state; + ast_declaration *decl = new(ctx) ast_declaration($2, false, NULL, $4); + ast_declarator_list *declarator = new(ctx) ast_declarator_list($1); + decl->set_location(yylloc); + declarator->set_location(yylloc); + + declarator->declarations.push_tail(&decl->link); + $$ = declarator; + } + ; /* * siwtch_statement grammar is based on the syntax described in the body * of the GLSL spec, not in it's appendix!!! */ switch_statement: - SWITCH '(' expression ')' switch_body - { - $$ = new(state) ast_switch_statement($3, $5); - $$->set_location(yylloc); - } - ; + SWITCH '(' expression ')' switch_body + { + $$ = new(state) ast_switch_statement($3, $5); + $$->set_location(yylloc); + } + ; switch_body: - '{' '}' - { - $$ = new(state) ast_switch_body(NULL); - $$->set_location(yylloc); - } - | '{' case_statement_list '}' - { - $$ = new(state) ast_switch_body($2); - $$->set_location(yylloc); - } - ; + '{' '}' + { + $$ = new(state) ast_switch_body(NULL); + $$->set_location(yylloc); + } + | '{' case_statement_list '}' + { + $$ = new(state) ast_switch_body($2); + $$->set_location(yylloc); + } + ; case_label: - CASE expression ':' - { - $$ = new(state) ast_case_label($2); - $$->set_location(yylloc); - } - | DEFAULT ':' - { - $$ = new(state) ast_case_label(NULL); - $$->set_location(yylloc); - } - ; + CASE expression ':' + { + $$ = new(state) ast_case_label($2); + $$->set_location(yylloc); + } + | DEFAULT ':' + { + $$ = new(state) ast_case_label(NULL); + $$->set_location(yylloc); + } + ; case_label_list: - case_label - { - ast_case_label_list *labels = new(state) ast_case_label_list(); - - labels->labels.push_tail(& $1->link); - $$ = labels; - $$->set_location(yylloc); - } - | case_label_list case_label - { - $$ = $1; - $$->labels.push_tail(& $2->link); - } - ; + case_label + { + ast_case_label_list *labels = new(state) ast_case_label_list(); + + labels->labels.push_tail(& $1->link); + $$ = labels; + $$->set_location(yylloc); + } + | case_label_list case_label + { + $$ = $1; + $$->labels.push_tail(& $2->link); + } + ; case_statement: - case_label_list statement - { - ast_case_statement *stmts = new(state) ast_case_statement($1); - stmts->set_location(yylloc); - - stmts->stmts.push_tail(& $2->link); - $$ = stmts; - } - | case_statement statement - { - $$ = $1; - $$->stmts.push_tail(& $2->link); - } - ; + case_label_list statement + { + ast_case_statement *stmts = new(state) ast_case_statement($1); + stmts->set_location(yylloc); + + stmts->stmts.push_tail(& $2->link); + $$ = stmts; + } + | case_statement statement + { + $$ = $1; + $$->stmts.push_tail(& $2->link); + } + ; case_statement_list: - case_statement - { - ast_case_statement_list *cases= new(state) ast_case_statement_list(); - cases->set_location(yylloc); - - cases->cases.push_tail(& $1->link); - $$ = cases; - } - | case_statement_list case_statement - { - $$ = $1; - $$->cases.push_tail(& $2->link); - } - ; + case_statement + { + ast_case_statement_list *cases= new(state) ast_case_statement_list(); + cases->set_location(yylloc); + + cases->cases.push_tail(& $1->link); + $$ = cases; + } + | case_statement_list case_statement + { + $$ = $1; + $$->cases.push_tail(& $2->link); + } + ; iteration_statement: - WHILE '(' condition ')' statement_no_new_scope - { - void *ctx = state; - $$ = new(ctx) ast_iteration_statement(ast_iteration_statement::ast_while, - NULL, $3, NULL, $5); - $$->set_location(yylloc); - } - | DO statement WHILE '(' expression ')' ';' - { - void *ctx = state; - $$ = new(ctx) ast_iteration_statement(ast_iteration_statement::ast_do_while, - NULL, $5, NULL, $2); - $$->set_location(yylloc); - } - | FOR '(' for_init_statement for_rest_statement ')' statement_no_new_scope - { - void *ctx = state; - $$ = new(ctx) ast_iteration_statement(ast_iteration_statement::ast_for, - $3, $4.cond, $4.rest, $6); - $$->set_location(yylloc); - } - ; + WHILE '(' condition ')' statement_no_new_scope + { + void *ctx = state; + $$ = new(ctx) ast_iteration_statement(ast_iteration_statement::ast_while, + NULL, $3, NULL, $5); + $$->set_location(yylloc); + } + | DO statement WHILE '(' expression ')' ';' + { + void *ctx = state; + $$ = new(ctx) ast_iteration_statement(ast_iteration_statement::ast_do_while, + NULL, $5, NULL, $2); + $$->set_location(yylloc); + } + | FOR '(' for_init_statement for_rest_statement ')' statement_no_new_scope + { + void *ctx = state; + $$ = new(ctx) ast_iteration_statement(ast_iteration_statement::ast_for, + $3, $4.cond, $4.rest, $6); + $$->set_location(yylloc); + } + ; for_init_statement: - expression_statement - | declaration_statement - ; + expression_statement + | declaration_statement + ; conditionopt: - condition - | /* empty */ - { - $$ = NULL; - } - ; + condition + | /* empty */ + { + $$ = NULL; + } + ; for_rest_statement: - conditionopt ';' - { - $$.cond = $1; - $$.rest = NULL; - } - | conditionopt ';' expression - { - $$.cond = $1; - $$.rest = $3; - } - ; - - // Grammar Note: No 'goto'. Gotos are not supported. + conditionopt ';' + { + $$.cond = $1; + $$.rest = NULL; + } + | conditionopt ';' expression + { + $$.cond = $1; + $$.rest = $3; + } + ; + + // Grammar Note: No 'goto'. Gotos are not supported. jump_statement: - CONTINUE ';' - { - void *ctx = state; - $$ = new(ctx) ast_jump_statement(ast_jump_statement::ast_continue, NULL); - $$->set_location(yylloc); - } - | BREAK ';' - { - void *ctx = state; - $$ = new(ctx) ast_jump_statement(ast_jump_statement::ast_break, NULL); - $$->set_location(yylloc); - } - | RETURN ';' - { - void *ctx = state; - $$ = new(ctx) ast_jump_statement(ast_jump_statement::ast_return, NULL); - $$->set_location(yylloc); - } - | RETURN expression ';' - { - void *ctx = state; - $$ = new(ctx) ast_jump_statement(ast_jump_statement::ast_return, $2); - $$->set_location(yylloc); - } - | DISCARD ';' // Fragment shader only. - { - void *ctx = state; - $$ = new(ctx) ast_jump_statement(ast_jump_statement::ast_discard, NULL); - $$->set_location(yylloc); - } - ; + CONTINUE ';' + { + void *ctx = state; + $$ = new(ctx) ast_jump_statement(ast_jump_statement::ast_continue, NULL); + $$->set_location(yylloc); + } + | BREAK ';' + { + void *ctx = state; + $$ = new(ctx) ast_jump_statement(ast_jump_statement::ast_break, NULL); + $$->set_location(yylloc); + } + | RETURN ';' + { + void *ctx = state; + $$ = new(ctx) ast_jump_statement(ast_jump_statement::ast_return, NULL); + $$->set_location(yylloc); + } + | RETURN expression ';' + { + void *ctx = state; + $$ = new(ctx) ast_jump_statement(ast_jump_statement::ast_return, $2); + $$->set_location(yylloc); + } + | DISCARD ';' // Fragment shader only. + { + void *ctx = state; + $$ = new(ctx) ast_jump_statement(ast_jump_statement::ast_discard, NULL); + $$->set_location(yylloc); + } + ; external_declaration: - function_definition { $$ = $1; } - | declaration { $$ = $1; } - | pragma_statement { $$ = NULL; } - | layout_defaults { $$ = NULL; } - ; + function_definition { $$ = $1; } + | declaration { $$ = $1; } + | pragma_statement { $$ = NULL; } + | layout_defaults { $$ = NULL; } + ; function_definition: - function_prototype compound_statement_no_new_scope - { - void *ctx = state; - $$ = new(ctx) ast_function_definition(); - $$->set_location(yylloc); - $$->prototype = $1; - $$->body = $2; - - state->symbols->pop_scope(); - } - ; + function_prototype compound_statement_no_new_scope + { + void *ctx = state; + $$ = new(ctx) ast_function_definition(); + $$->set_location(yylloc); + $$->prototype = $1; + $$->body = $2; + + state->symbols->pop_scope(); + } + ; /* layout_qualifieropt is packed into this rule */ interface_block: - basic_interface_block - { - $$ = $1; - } - | layout_qualifier basic_interface_block - { - ast_interface_block *block = $2; - if (!block->layout.merge_qualifier(& @1, state, $1)) { - YYERROR; - } - $$ = block; - } - ; + basic_interface_block + { + $$ = $1; + } + | layout_qualifier basic_interface_block + { + ast_interface_block *block = $2; + if (!block->layout.merge_qualifier(& @1, state, $1)) { + YYERROR; + } + $$ = block; + } + ; basic_interface_block: - interface_qualifier NEW_IDENTIFIER '{' member_list '}' instance_name_opt ';' - { - ast_interface_block *const block = $6; - - block->block_name = $2; - block->declarations.push_degenerate_list_at_head(& $4->link); - - if ($1.flags.q.uniform) { - if (!state->ARB_uniform_buffer_object_enable) { - _mesa_glsl_error(& @1, state, - "#version 140 / GL_ARB_uniform_buffer_object " - "required for defining uniform blocks\n"); - } else if (state->ARB_uniform_buffer_object_warn) { - _mesa_glsl_warning(& @1, state, - "#version 140 / GL_ARB_uniform_buffer_object " - "required for defining uniform blocks\n"); - } - } else { - if (state->es_shader || state->language_version < 150) { - _mesa_glsl_error(& @1, state, - "#version 150 required for using " - "interface blocks.\n"); - } - } - - /* From the GLSL 1.50.11 spec, section 4.3.7 ("Interface Blocks"): - * "It is illegal to have an input block in a vertex shader - * or an output block in a fragment shader" - */ - if ((state->target == vertex_shader) && $1.flags.q.in) { - _mesa_glsl_error(& @1, state, - "`in' interface block is not allowed for " - "a vertex shader\n"); - } else if ((state->target == fragment_shader) && $1.flags.q.out) { - _mesa_glsl_error(& @1, state, - "`out' interface block is not allowed for " - "a fragment shader\n"); - } - - /* Since block arrays require names, and both features are added in - * the same language versions, we don't have to explicitly - * version-check both things. - */ - if (block->instance_name != NULL) { - state->check_version(150, 300, & @1, "interface blocks with " - "an instance name are not allowed"); - } - - unsigned interface_type_mask; - struct ast_type_qualifier temp_type_qualifier; - - /* Get a bitmask containing only the in/out/uniform flags, allowing us - * to ignore other irrelevant flags like interpolation qualifiers. - */ - temp_type_qualifier.flags.i = 0; - temp_type_qualifier.flags.q.uniform = true; - temp_type_qualifier.flags.q.in = true; - temp_type_qualifier.flags.q.out = true; - interface_type_mask = temp_type_qualifier.flags.i; - - /* Get the block's interface qualifier. The interface_qualifier - * production rule guarantees that only one bit will be set (and - * it will be in/out/uniform). - */ + interface_qualifier NEW_IDENTIFIER '{' member_list '}' instance_name_opt ';' + { + ast_interface_block *const block = $6; + + block->block_name = $2; + block->declarations.push_degenerate_list_at_head(& $4->link); + + if ($1.flags.q.uniform) { + if (!state->ARB_uniform_buffer_object_enable) { + _mesa_glsl_error(& @1, state, + "#version 140 / GL_ARB_uniform_buffer_object " + "required for defining uniform blocks\n"); + } else if (state->ARB_uniform_buffer_object_warn) { + _mesa_glsl_warning(& @1, state, + "#version 140 / GL_ARB_uniform_buffer_object " + "required for defining uniform blocks\n"); + } + } else { + if (state->es_shader || state->language_version < 150) { + _mesa_glsl_error(& @1, state, + "#version 150 required for using " + "interface blocks.\n"); + } + } + + /* From the GLSL 1.50.11 spec, section 4.3.7 ("Interface Blocks"): + * "It is illegal to have an input block in a vertex shader + * or an output block in a fragment shader" + */ + if ((state->target == vertex_shader) && $1.flags.q.in) { + _mesa_glsl_error(& @1, state, + "`in' interface block is not allowed for " + "a vertex shader\n"); + } else if ((state->target == fragment_shader) && $1.flags.q.out) { + _mesa_glsl_error(& @1, state, + "`out' interface block is not allowed for " + "a fragment shader\n"); + } + + /* Since block arrays require names, and both features are added in + * the same language versions, we don't have to explicitly + * version-check both things. + */ + if (block->instance_name != NULL) { + state->check_version(150, 300, & @1, "interface blocks with " + "an instance name are not allowed"); + } + + unsigned interface_type_mask; + struct ast_type_qualifier temp_type_qualifier; + + /* Get a bitmask containing only the in/out/uniform flags, allowing us + * to ignore other irrelevant flags like interpolation qualifiers. + */ + temp_type_qualifier.flags.i = 0; + temp_type_qualifier.flags.q.uniform = true; + temp_type_qualifier.flags.q.in = true; + temp_type_qualifier.flags.q.out = true; + interface_type_mask = temp_type_qualifier.flags.i; + + /* Get the block's interface qualifier. The interface_qualifier + * production rule guarantees that only one bit will be set (and + * it will be in/out/uniform). + */ unsigned block_interface_qualifier = $1.flags.i; - block->layout.flags.i |= block_interface_qualifier; - - foreach_list_typed (ast_declarator_list, member, link, &block->declarations) { - ast_type_qualifier& qualifier = member->type->qualifier; - if ((qualifier.flags.i & interface_type_mask) == 0) { - /* GLSLangSpec.1.50.11, 4.3.7 (Interface Blocks): - * "If no optional qualifier is used in a member declaration, the - * qualifier of the variable is just in, out, or uniform as declared - * by interface-qualifier." - */ - qualifier.flags.i |= block_interface_qualifier; - } else if ((qualifier.flags.i & interface_type_mask) != - block_interface_qualifier) { - /* GLSLangSpec.1.50.11, 4.3.7 (Interface Blocks): - * "If optional qualifiers are used, they can include interpolation - * and storage qualifiers and they must declare an input, output, - * or uniform variable consistent with the interface qualifier of - * the block." - */ - _mesa_glsl_error(& @1, state, - "uniform/in/out qualifier on " - "interface block member does not match " - "the interface block\n"); - } - } - - $$ = block; - } - ; + block->layout.flags.i |= block_interface_qualifier; + + foreach_list_typed (ast_declarator_list, member, link, &block->declarations) { + ast_type_qualifier& qualifier = member->type->qualifier; + if ((qualifier.flags.i & interface_type_mask) == 0) { + /* GLSLangSpec.1.50.11, 4.3.7 (Interface Blocks): + * "If no optional qualifier is used in a member declaration, the + * qualifier of the variable is just in, out, or uniform as declared + * by interface-qualifier." + */ + qualifier.flags.i |= block_interface_qualifier; + } else if ((qualifier.flags.i & interface_type_mask) != + block_interface_qualifier) { + /* GLSLangSpec.1.50.11, 4.3.7 (Interface Blocks): + * "If optional qualifiers are used, they can include interpolation + * and storage qualifiers and they must declare an input, output, + * or uniform variable consistent with the interface qualifier of + * the block." + */ + _mesa_glsl_error(& @1, state, + "uniform/in/out qualifier on " + "interface block member does not match " + "the interface block\n"); + } + } + + $$ = block; + } + ; interface_qualifier: - IN_TOK - { - memset(& $$, 0, sizeof($$)); - $$.flags.q.in = 1; - } - | OUT_TOK - { - memset(& $$, 0, sizeof($$)); - $$.flags.q.out = 1; - } - | UNIFORM - { - memset(& $$, 0, sizeof($$)); - $$.flags.q.uniform = 1; - } - ; + IN_TOK + { + memset(& $$, 0, sizeof($$)); + $$.flags.q.in = 1; + } + | OUT_TOK + { + memset(& $$, 0, sizeof($$)); + $$.flags.q.out = 1; + } + | UNIFORM + { + memset(& $$, 0, sizeof($$)); + $$.flags.q.uniform = 1; + } + ; instance_name_opt: - /* empty */ - { - $$ = new(state) ast_interface_block(*state->default_uniform_qualifier, - NULL, - NULL); - } - | NEW_IDENTIFIER - { - $$ = new(state) ast_interface_block(*state->default_uniform_qualifier, - $1, - NULL); - } - | NEW_IDENTIFIER '[' constant_expression ']' - { - $$ = new(state) ast_interface_block(*state->default_uniform_qualifier, - $1, - $3); - } - | NEW_IDENTIFIER '[' ']' - { - _mesa_glsl_error(& @1, state, - "instance block arrays must be explicitly sized\n"); - - $$ = new(state) ast_interface_block(*state->default_uniform_qualifier, - $1, - NULL); - } - ; + /* empty */ + { + $$ = new(state) ast_interface_block(*state->default_uniform_qualifier, + NULL, NULL); + } + | NEW_IDENTIFIER + { + $$ = new(state) ast_interface_block(*state->default_uniform_qualifier, + $1, NULL); + } + | NEW_IDENTIFIER '[' constant_expression ']' + { + $$ = new(state) ast_interface_block(*state->default_uniform_qualifier, + $1, $3); + } + | NEW_IDENTIFIER '[' ']' + { + _mesa_glsl_error(& @1, state, + "instance block arrays must be explicitly sized\n"); + + $$ = new(state) ast_interface_block(*state->default_uniform_qualifier, + $1, NULL); + } + ; member_list: - member_declaration - { - $$ = $1; - $1->link.self_link(); - } - | member_declaration member_list - { - $$ = $1; - $2->link.insert_before(& $$->link); - } - ; + member_declaration + { + $$ = $1; + $1->link.self_link(); + } + | member_declaration member_list + { + $$ = $1; + $2->link.insert_before(& $$->link); + } + ; member_declaration: - fully_specified_type struct_declarator_list ';' - { - void *ctx = state; - ast_fully_specified_type *type = $1; - type->set_location(yylloc); - - if (type->qualifier.flags.q.attribute) { - _mesa_glsl_error(& @1, state, - "keyword 'attribute' cannot be used with " - "interface block member\n"); - } else if (type->qualifier.flags.q.varying) { - _mesa_glsl_error(& @1, state, - "keyword 'varying' cannot be used with " - "interface block member\n"); - } - - $$ = new(ctx) ast_declarator_list(type); - $$->set_location(yylloc); - $$->ubo_qualifiers_valid = true; - - $$->declarations.push_degenerate_list_at_head(& $2->link); - } - ; + fully_specified_type struct_declarator_list ';' + { + void *ctx = state; + ast_fully_specified_type *type = $1; + type->set_location(yylloc); + + if (type->qualifier.flags.q.attribute) { + _mesa_glsl_error(& @1, state, + "keyword 'attribute' cannot be used with " + "interface block member\n"); + } else if (type->qualifier.flags.q.varying) { + _mesa_glsl_error(& @1, state, + "keyword 'varying' cannot be used with " + "interface block member\n"); + } + + $$ = new(ctx) ast_declarator_list(type); + $$->set_location(yylloc); + $$->ubo_qualifiers_valid = true; + + $$->declarations.push_degenerate_list_at_head(& $2->link); + } + ; layout_defaults: - layout_qualifier UNIFORM ';' - { - if (!state->default_uniform_qualifier->merge_qualifier(& @1, state, - $1)) { - YYERROR; - } - } + layout_qualifier UNIFORM ';' + { + if (!state->default_uniform_qualifier->merge_qualifier(& @1, state, $1)) { + YYERROR; + } + } |