diff options
Diffstat (limited to 'mesalib/src/glsl/glsl_lexer.lpp')
-rw-r--r-- | mesalib/src/glsl/glsl_lexer.lpp | 879 |
1 files changed, 440 insertions, 439 deletions
diff --git a/mesalib/src/glsl/glsl_lexer.lpp b/mesalib/src/glsl/glsl_lexer.lpp index 35405dad6..4d6866390 100644 --- a/mesalib/src/glsl/glsl_lexer.lpp +++ b/mesalib/src/glsl/glsl_lexer.lpp @@ -1,439 +1,440 @@ -%{
-/*
- * Copyright © 2008, 2009 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- */
-#include <ctype.h>
-#include "strtod.h"
-#include "ast.h"
-#include "glsl_parser_extras.h"
-#include "glsl_parser.h"
-
-#define YY_USER_ACTION \
- do { \
- yylloc->source = 0; \
- yylloc->first_column = yycolumn + 1; \
- yylloc->first_line = yylineno + 1; \
- yycolumn += yyleng; \
- } while(0);
-
-#define YY_USER_INIT yylineno = 0; yycolumn = 0;
-
-#define IS_UINT (yytext[yyleng - 1] == 'u' || yytext[yyleng - 1] == 'U')
-
-/* A macro for handling reserved words and keywords across language versions.
- *
- * Certain words start out as identifiers, become reserved words in
- * later language revisions, and finally become language keywords.
- *
- * For example, consider the following lexer rule:
- * samplerBuffer KEYWORD(130, 140, SAMPLERBUFFER)
- *
- * This means that "samplerBuffer" will be treated as:
- * - a keyword (SAMPLERBUFFER token) ...in GLSL >= 1.40
- * - a reserved word - error ...in GLSL >= 1.30
- * - an identifier ...in GLSL < 1.30
- */
-#define KEYWORD(reserved_version, allowed_version, token) \
- do { \
- if (yyextra->language_version >= allowed_version) { \
- return token; \
- } else if (yyextra->language_version >= reserved_version) { \
- _mesa_glsl_error(yylloc, yyextra, \
- "Illegal use of reserved word `%s'", yytext); \
- return ERROR_TOK; \
- } else { \
- yylval->identifier = strdup(yytext); \
- return IDENTIFIER; \
- } \
- } while (0)
-
-/* The ES macro can be used in KEYWORD checks:
- *
- * word KEYWORD(110 || ES, 400, TOKEN)
- * ...means the word is reserved in GLSL ES 1.00, while
- *
- * word KEYWORD(110, 130 || ES, TOKEN)
- * ...means the word is a legal keyword in GLSL ES 1.00.
- */
-#define ES yyextra->es_shader
-%}
-
-%option bison-bridge bison-locations reentrant noyywrap
-%option nounput noyy_top_state
-%option never-interactive
-%option prefix="_mesa_glsl_"
-%option extra-type="struct _mesa_glsl_parse_state *"
-
-%x PP PRAGMA
-
-DEC_INT [1-9][0-9]*
-HEX_INT 0[xX][0-9a-fA-F]+
-OCT_INT 0[0-7]*
-INT ({DEC_INT}|{HEX_INT}|{OCT_INT})
-SPC [ \t]*
-SPCP [ \t]+
-HASH ^{SPC}#{SPC}
-%%
-
-[ \r\t]+ ;
-
- /* Preprocessor tokens. */
-^[ \t]*#[ \t]*$ ;
-^[ \t]*#[ \t]*version { BEGIN PP; return VERSION; }
-^[ \t]*#[ \t]*extension { BEGIN PP; return EXTENSION; }
-{HASH}line{SPCP}{INT}{SPCP}{INT}{SPC}$ {
- /* Eat characters until the first digit is
- * encountered
- */
- char *ptr = yytext;
- while (!isdigit(*ptr))
- ptr++;
-
- /* Subtract one from the line number because
- * yylineno is zero-based instead of
- * one-based.
- */
- yylineno = strtol(ptr, &ptr, 0) - 1;
- yylloc->source = strtol(ptr, NULL, 0);
- }
-{HASH}line{SPCP}{INT}{SPC}$ {
- /* Eat characters until the first digit is
- * encountered
- */
- char *ptr = yytext;
- while (!isdigit(*ptr))
- ptr++;
-
- /* Subtract one from the line number because
- * yylineno is zero-based instead of
- * one-based.
- */
- yylineno = strtol(ptr, &ptr, 0) - 1;
- }
-^{SPC}#{SPC}pragma{SPCP}debug{SPC}\({SPC}on{SPC}\) {
- BEGIN PP;
- return PRAGMA_DEBUG_ON;
- }
-^{SPC}#{SPC}pragma{SPCP}debug{SPC}\({SPC}off{SPC}\) {
- BEGIN PP;
- return PRAGMA_DEBUG_OFF;
- }
-^{SPC}#{SPC}pragma{SPCP}optimize{SPC}\({SPC}on{SPC}\) {
- BEGIN PP;
- return PRAGMA_OPTIMIZE_ON;
- }
-^{SPC}#{SPC}pragma{SPCP}optimize{SPC}\({SPC}off{SPC}\) {
- BEGIN PP;
- return PRAGMA_OPTIMIZE_OFF;
- }
-^{SPC}#{SPC}pragma{SPCP}STDGL{SPCP}invariant{SPC}\({SPC}all{SPC}\) {
- BEGIN PP;
- return PRAGMA_INVARIANT_ALL;
- }
-^{SPC}#{SPC}pragma{SPCP} { BEGIN PRAGMA; }
-
-<PRAGMA>\n { BEGIN 0; yylineno++; yycolumn = 0; }
-<PRAGMA>. { }
-
-<PP>\/\/[^\n]* { }
-<PP>[ \t\r]* { }
-<PP>: return COLON;
-<PP>[_a-zA-Z][_a-zA-Z0-9]* {
- yylval->identifier = strdup(yytext);
- return IDENTIFIER;
- }
-<PP>[1-9][0-9]* {
- yylval->n = strtol(yytext, NULL, 10);
- return INTCONSTANT;
- }
-<PP>\n { BEGIN 0; yylineno++; yycolumn = 0; return EOL; }
-
-\n { yylineno++; yycolumn = 0; }
-
-attribute return ATTRIBUTE;
-const return CONST_TOK;
-bool return BOOL_TOK;
-float return FLOAT_TOK;
-int return INT_TOK;
-uint KEYWORD(130, 130, UINT_TOK);
-
-break return BREAK;
-continue return CONTINUE;
-do return DO;
-while return WHILE;
-else return ELSE;
-for return FOR;
-if return IF;
-discard return DISCARD;
-return return RETURN;
-
-bvec2 return BVEC2;
-bvec3 return BVEC3;
-bvec4 return BVEC4;
-ivec2 return IVEC2;
-ivec3 return IVEC3;
-ivec4 return IVEC4;
-uvec2 KEYWORD(130, 130, UVEC2);
-uvec3 KEYWORD(130, 130, UVEC3);
-uvec4 KEYWORD(130, 130, UVEC4);
-vec2 return VEC2;
-vec3 return VEC3;
-vec4 return VEC4;
-mat2 return MAT2X2;
-mat3 return MAT3X3;
-mat4 return MAT4X4;
-mat2x2 KEYWORD(120, 120, MAT2X2);
-mat2x3 KEYWORD(120, 120, MAT2X3);
-mat2x4 KEYWORD(120, 120, MAT2X4);
-mat3x2 KEYWORD(120, 120, MAT3X2);
-mat3x3 KEYWORD(120, 120, MAT3X3);
-mat3x4 KEYWORD(120, 120, MAT3X4);
-mat4x2 KEYWORD(120, 120, MAT4X2);
-mat4x3 KEYWORD(120, 120, MAT4X3);
-mat4x4 KEYWORD(120, 120, MAT4X4);
-
-in return IN_TOK;
-out return OUT_TOK;
-inout return INOUT_TOK;
-uniform return UNIFORM;
-varying return VARYING;
-centroid KEYWORD(120, 120, CENTROID);
-invariant KEYWORD(120 || ES, 120 || ES, INVARIANT);
-flat KEYWORD(130 || ES, 130, FLAT);
-smooth KEYWORD(130, 130, SMOOTH);
-noperspective KEYWORD(130, 130, NOPERSPECTIVE);
-
-sampler1D return SAMPLER1D;
-sampler2D return SAMPLER2D;
-sampler3D return SAMPLER3D;
-samplerCube return SAMPLERCUBE;
-sampler1DArray KEYWORD(130, 130, SAMPLER1DARRAY);
-sampler2DArray KEYWORD(130, 130, SAMPLER2DARRAY);
-sampler1DShadow return SAMPLER1DSHADOW;
-sampler2DShadow return SAMPLER2DSHADOW;
-samplerCubeShadow KEYWORD(130, 130, SAMPLERCUBESHADOW);
-sampler1DArrayShadow KEYWORD(130, 130, SAMPLER1DARRAYSHADOW);
-sampler2DArrayShadow KEYWORD(130, 130, SAMPLER2DARRAYSHADOW);
-isampler1D KEYWORD(130, 130, ISAMPLER1D);
-isampler2D KEYWORD(130, 130, ISAMPLER2D);
-isampler3D KEYWORD(130, 130, ISAMPLER3D);
-isamplerCube KEYWORD(130, 130, ISAMPLERCUBE);
-isampler1DArray KEYWORD(130, 130, ISAMPLER1DARRAY);
-isampler2DArray KEYWORD(130, 130, ISAMPLER2DARRAY);
-usampler1D KEYWORD(130, 130, USAMPLER1D);
-usampler2D KEYWORD(130, 130, USAMPLER2D);
-usampler3D KEYWORD(130, 130, USAMPLER3D);
-usamplerCube KEYWORD(130, 130, USAMPLERCUBE);
-usampler1DArray KEYWORD(130, 130, USAMPLER1DARRAY);
-usampler2DArray KEYWORD(130, 130, USAMPLER2DARRAY);
-
-
-struct return STRUCT;
-void return VOID_TOK;
-
-layout {
- if ((yyextra->language_version >= 140)
- || yyextra->ARB_explicit_attrib_location_enable
- || (yyextra->ARB_fragment_coord_conventions_enable)){
- return LAYOUT_TOK;
- } else {
- yylval->identifier = strdup(yytext);
- return IDENTIFIER;
- }
- }
-
-\+\+ return INC_OP;
--- return DEC_OP;
-\<= return LE_OP;
->= return GE_OP;
-== return EQ_OP;
-!= return NE_OP;
-&& return AND_OP;
-\|\| return OR_OP;
-"^^" return XOR_OP;
-"<<" return LEFT_OP;
-">>" return RIGHT_OP;
-
-\*= return MUL_ASSIGN;
-\/= return DIV_ASSIGN;
-\+= return ADD_ASSIGN;
-\%= return MOD_ASSIGN;
-\<\<= return LEFT_ASSIGN;
->>= return RIGHT_ASSIGN;
-&= return AND_ASSIGN;
-"^=" return XOR_ASSIGN;
-\|= return OR_ASSIGN;
--= return SUB_ASSIGN;
-
-[1-9][0-9]*[uU]? {
- yylval->n = strtol(yytext, NULL, 10);
- return IS_UINT ? UINTCONSTANT : INTCONSTANT;
- }
-0[xX][0-9a-fA-F]+[uU]? {
- yylval->n = strtol(yytext + 2, NULL, 16);
- return IS_UINT ? UINTCONSTANT : INTCONSTANT;
- }
-0[0-7]*[uU]? {
- yylval->n = strtol(yytext, NULL, 8);
- return IS_UINT ? UINTCONSTANT : INTCONSTANT;
- }
-
-[0-9]+\.[0-9]+([eE][+-]?[0-9]+)?[fF]? {
- yylval->real = glsl_strtod(yytext, NULL);
- return FLOATCONSTANT;
- }
-\.[0-9]+([eE][+-]?[0-9]+)?[fF]? {
- yylval->real = glsl_strtod(yytext, NULL);
- return FLOATCONSTANT;
- }
-[0-9]+\.([eE][+-]?[0-9]+)?[fF]? {
- yylval->real = glsl_strtod(yytext, NULL);
- return FLOATCONSTANT;
- }
-[0-9]+[eE][+-]?[0-9]+[fF]? {
- yylval->real = glsl_strtod(yytext, NULL);
- return FLOATCONSTANT;
- }
-[0-9]+[fF] {
- yylval->real = glsl_strtod(yytext, NULL);
- return FLOATCONSTANT;
- }
-
-true {
- yylval->n = 1;
- return BOOLCONSTANT;
- }
-false {
- yylval->n = 0;
- return BOOLCONSTANT;
- }
-
-
- /* Reserved words in GLSL 1.10. */
-asm KEYWORD(110 || ES, 999, ASM);
-class KEYWORD(110 || ES, 999, CLASS);
-union KEYWORD(110 || ES, 999, UNION);
-enum KEYWORD(110 || ES, 999, ENUM);
-typedef KEYWORD(110 || ES, 999, TYPEDEF);
-template KEYWORD(110 || ES, 999, TEMPLATE);
-this KEYWORD(110 || ES, 999, THIS);
-packed KEYWORD(110 || ES, 999, PACKED_TOK);
-goto KEYWORD(110 || ES, 999, GOTO);
-switch KEYWORD(110 || ES, 130, SWITCH);
-default KEYWORD(110 || ES, 130, DEFAULT);
-inline KEYWORD(110 || ES, 999, INLINE_TOK);
-noinline KEYWORD(110 || ES, 999, NOINLINE);
-volatile KEYWORD(110 || ES, 999, VOLATILE);
-public KEYWORD(110 || ES, 999, PUBLIC_TOK);
-static KEYWORD(110 || ES, 999, STATIC);
-extern KEYWORD(110 || ES, 999, EXTERN);
-external KEYWORD(110 || ES, 999, EXTERNAL);
-interface KEYWORD(110 || ES, 999, INTERFACE);
-long KEYWORD(110 || ES, 999, LONG_TOK);
-short KEYWORD(110 || ES, 999, SHORT_TOK);
-double KEYWORD(110 || ES, 400, DOUBLE_TOK);
-half KEYWORD(110 || ES, 999, HALF);
-fixed KEYWORD(110 || ES, 999, FIXED_TOK);
-unsigned KEYWORD(110 || ES, 999, UNSIGNED);
-input KEYWORD(110 || ES, 999, INPUT_TOK);
-output KEYWORD(110 || ES, 999, OUTPUT);
-hvec2 KEYWORD(110 || ES, 999, HVEC2);
-hvec3 KEYWORD(110 || ES, 999, HVEC3);
-hvec4 KEYWORD(110 || ES, 999, HVEC4);
-dvec2 KEYWORD(110 || ES, 400, DVEC2);
-dvec3 KEYWORD(110 || ES, 400, DVEC3);
-dvec4 KEYWORD(110 || ES, 400, DVEC4);
-fvec2 KEYWORD(110 || ES, 999, FVEC2);
-fvec3 KEYWORD(110 || ES, 999, FVEC3);
-fvec4 KEYWORD(110 || ES, 999, FVEC4);
-sampler2DRect return SAMPLER2DRECT;
-sampler3DRect KEYWORD(110 || ES, 999, SAMPLER3DRECT);
-sampler2DRectShadow return SAMPLER2DRECTSHADOW;
-sizeof KEYWORD(110 || ES, 999, SIZEOF);
-cast KEYWORD(110 || ES, 999, CAST);
-namespace KEYWORD(110 || ES, 999, NAMESPACE);
-using KEYWORD(110 || ES, 999, USING);
-
- /* Additional reserved words in GLSL 1.20. */
-lowp KEYWORD(120, 130 || ES, LOWP);
-mediump KEYWORD(120, 130 || ES, MEDIUMP);
-highp KEYWORD(120, 130 || ES, HIGHP);
-precision KEYWORD(120, 130 || ES, PRECISION);
-
- /* Additional reserved words in GLSL 1.30. */
-case KEYWORD(130, 130, CASE);
-common KEYWORD(130, 999, COMMON);
-partition KEYWORD(130, 999, PARTITION);
-active KEYWORD(130, 999, ACTIVE);
-superp KEYWORD(130 || ES, 999, SUPERP);
-samplerBuffer KEYWORD(130, 140, SAMPLERBUFFER);
-filter KEYWORD(130, 999, FILTER);
-image1D KEYWORD(130, 999, IMAGE1D);
-image2D KEYWORD(130, 999, IMAGE2D);
-image3D KEYWORD(130, 999, IMAGE3D);
-imageCube KEYWORD(130, 999, IMAGECUBE);
-iimage1D KEYWORD(130, 999, IIMAGE1D);
-iimage2D KEYWORD(130, 999, IIMAGE2D);
-iimage3D KEYWORD(130, 999, IIMAGE3D);
-iimageCube KEYWORD(130, 999, IIMAGECUBE);
-uimage1D KEYWORD(130, 999, UIMAGE1D);
-uimage2D KEYWORD(130, 999, UIMAGE2D);
-uimage3D KEYWORD(130, 999, UIMAGE3D);
-uimageCube KEYWORD(130, 999, UIMAGECUBE);
-image1DArray KEYWORD(130, 999, IMAGE1DARRAY);
-image2DArray KEYWORD(130, 999, IMAGE2DARRAY);
-iimage1DArray KEYWORD(130, 999, IIMAGE1DARRAY);
-iimage2DArray KEYWORD(130, 999, IIMAGE2DARRAY);
-uimage1DArray KEYWORD(130, 999, UIMAGE1DARRAY);
-uimage2DArray KEYWORD(130, 999, UIMAGE2DARRAY);
-image1DShadow KEYWORD(130, 999, IMAGE1DSHADOW);
-image2DShadow KEYWORD(130, 999, IMAGE2DSHADOW);
-image1DArrayShadow KEYWORD(130, 999, IMAGE1DARRAYSHADOW);
-image2DArrayShadow KEYWORD(130, 999, IMAGE2DARRAYSHADOW);
-imageBuffer KEYWORD(130, 999, IMAGEBUFFER);
-iimageBuffer KEYWORD(130, 999, IIMAGEBUFFER);
-uimageBuffer KEYWORD(130, 999, UIMAGEBUFFER);
-row_major KEYWORD(130, 999, ROW_MAJOR);
-
-[_a-zA-Z][_a-zA-Z0-9]* {
- struct _mesa_glsl_parse_state *state = yyextra;
- void *ctx = state;
- yylval->identifier = talloc_strdup(ctx, yytext);
- return IDENTIFIER;
- }
-
-. { return yytext[0]; }
-
-%%
-
-void
-_mesa_glsl_lexer_ctor(struct _mesa_glsl_parse_state *state, const char *string)
-{
- yylex_init_extra(state, & state->scanner);
- yy_scan_string(string, state->scanner);
-}
-
-void
-_mesa_glsl_lexer_dtor(struct _mesa_glsl_parse_state *state)
-{
- yylex_destroy(state->scanner);
-}
+%{ +/* + * Copyright © 2008, 2009 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ +#include <ctype.h> +#include "strtod.h" +#include "ast.h" +#include "glsl_parser_extras.h" +#include "glsl_parser.h" + +#define YY_USER_ACTION \ + do { \ + yylloc->source = 0; \ + yylloc->first_column = yycolumn + 1; \ + yylloc->first_line = yylineno + 1; \ + yycolumn += yyleng; \ + } while(0); + +#define YY_USER_INIT yylineno = 0; yycolumn = 0; + +#define IS_UINT (yytext[yyleng - 1] == 'u' || yytext[yyleng - 1] == 'U') + +/* A macro for handling reserved words and keywords across language versions. + * + * Certain words start out as identifiers, become reserved words in + * later language revisions, and finally become language keywords. + * + * For example, consider the following lexer rule: + * samplerBuffer KEYWORD(130, 140, SAMPLERBUFFER) + * + * This means that "samplerBuffer" will be treated as: + * - a keyword (SAMPLERBUFFER token) ...in GLSL >= 1.40 + * - a reserved word - error ...in GLSL >= 1.30 + * - an identifier ...in GLSL < 1.30 + */ +#define KEYWORD(reserved_version, allowed_version, token) \ + do { \ + if (yyextra->language_version >= allowed_version) { \ + return token; \ + } else if (yyextra->language_version >= reserved_version) { \ + _mesa_glsl_error(yylloc, yyextra, \ + "Illegal use of reserved word `%s'", yytext); \ + return ERROR_TOK; \ + } else { \ + yylval->identifier = strdup(yytext); \ + return IDENTIFIER; \ + } \ + } while (0) + +/* The ES macro can be used in KEYWORD checks: + * + * word KEYWORD(110 || ES, 400, TOKEN) + * ...means the word is reserved in GLSL ES 1.00, while + * + * word KEYWORD(110, 130 || ES, TOKEN) + * ...means the word is a legal keyword in GLSL ES 1.00. + */ +#define ES yyextra->es_shader +%} + +%option bison-bridge bison-locations reentrant noyywrap +%option nounput noyy_top_state +%option never-interactive +%option prefix="_mesa_glsl_" +%option extra-type="struct _mesa_glsl_parse_state *" + +%x PP PRAGMA + +DEC_INT [1-9][0-9]* +HEX_INT 0[xX][0-9a-fA-F]+ +OCT_INT 0[0-7]* +INT ({DEC_INT}|{HEX_INT}|{OCT_INT}) +SPC [ \t]* +SPCP [ \t]+ +HASH ^{SPC}#{SPC} +%% + +[ \r\t]+ ; + + /* Preprocessor tokens. */ +^[ \t]*#[ \t]*$ ; +^[ \t]*#[ \t]*version { BEGIN PP; return VERSION; } +^[ \t]*#[ \t]*extension { BEGIN PP; return EXTENSION; } +{HASH}line{SPCP}{INT}{SPCP}{INT}{SPC}$ { + /* Eat characters until the first digit is + * encountered + */ + char *ptr = yytext; + while (!isdigit(*ptr)) + ptr++; + + /* Subtract one from the line number because + * yylineno is zero-based instead of + * one-based. + */ + yylineno = strtol(ptr, &ptr, 0) - 1; + yylloc->source = strtol(ptr, NULL, 0); + } +{HASH}line{SPCP}{INT}{SPC}$ { + /* Eat characters until the first digit is + * encountered + */ + char *ptr = yytext; + while (!isdigit(*ptr)) + ptr++; + + /* Subtract one from the line number because + * yylineno is zero-based instead of + * one-based. + */ + yylineno = strtol(ptr, &ptr, 0) - 1; + } +^{SPC}#{SPC}pragma{SPCP}debug{SPC}\({SPC}on{SPC}\) { + BEGIN PP; + return PRAGMA_DEBUG_ON; + } +^{SPC}#{SPC}pragma{SPCP}debug{SPC}\({SPC}off{SPC}\) { + BEGIN PP; + return PRAGMA_DEBUG_OFF; + } +^{SPC}#{SPC}pragma{SPCP}optimize{SPC}\({SPC}on{SPC}\) { + BEGIN PP; + return PRAGMA_OPTIMIZE_ON; + } +^{SPC}#{SPC}pragma{SPCP}optimize{SPC}\({SPC}off{SPC}\) { + BEGIN PP; + return PRAGMA_OPTIMIZE_OFF; + } +^{SPC}#{SPC}pragma{SPCP}STDGL{SPCP}invariant{SPC}\({SPC}all{SPC}\) { + BEGIN PP; + return PRAGMA_INVARIANT_ALL; + } +^{SPC}#{SPC}pragma{SPCP} { BEGIN PRAGMA; } + +<PRAGMA>\n { BEGIN 0; yylineno++; yycolumn = 0; } +<PRAGMA>. { } + +<PP>\/\/[^\n]* { } +<PP>[ \t\r]* { } +<PP>: return COLON; +<PP>[_a-zA-Z][_a-zA-Z0-9]* { + yylval->identifier = strdup(yytext); + return IDENTIFIER; + } +<PP>[1-9][0-9]* { + yylval->n = strtol(yytext, NULL, 10); + return INTCONSTANT; + } +<PP>\n { BEGIN 0; yylineno++; yycolumn = 0; return EOL; } + +\n { yylineno++; yycolumn = 0; } + +attribute return ATTRIBUTE; +const return CONST_TOK; +bool return BOOL_TOK; +float return FLOAT_TOK; +int return INT_TOK; +uint KEYWORD(130, 130, UINT_TOK); + +break return BREAK; +continue return CONTINUE; +do return DO; +while return WHILE; +else return ELSE; +for return FOR; +if return IF; +discard return DISCARD; +return return RETURN; + +bvec2 return BVEC2; +bvec3 return BVEC3; +bvec4 return BVEC4; +ivec2 return IVEC2; +ivec3 return IVEC3; +ivec4 return IVEC4; +uvec2 KEYWORD(130, 130, UVEC2); +uvec3 KEYWORD(130, 130, UVEC3); +uvec4 KEYWORD(130, 130, UVEC4); +vec2 return VEC2; +vec3 return VEC3; +vec4 return VEC4; +mat2 return MAT2X2; +mat3 return MAT3X3; +mat4 return MAT4X4; +mat2x2 KEYWORD(120, 120, MAT2X2); +mat2x3 KEYWORD(120, 120, MAT2X3); +mat2x4 KEYWORD(120, 120, MAT2X4); +mat3x2 KEYWORD(120, 120, MAT3X2); +mat3x3 KEYWORD(120, 120, MAT3X3); +mat3x4 KEYWORD(120, 120, MAT3X4); +mat4x2 KEYWORD(120, 120, MAT4X2); +mat4x3 KEYWORD(120, 120, MAT4X3); +mat4x4 KEYWORD(120, 120, MAT4X4); + +in return IN_TOK; +out return OUT_TOK; +inout return INOUT_TOK; +uniform return UNIFORM; +varying return VARYING; +centroid KEYWORD(120, 120, CENTROID); +invariant KEYWORD(120 || ES, 120 || ES, INVARIANT); +flat KEYWORD(130 || ES, 130, FLAT); +smooth KEYWORD(130, 130, SMOOTH); +noperspective KEYWORD(130, 130, NOPERSPECTIVE); + +sampler1D return SAMPLER1D; +sampler2D return SAMPLER2D; +sampler3D return SAMPLER3D; +samplerCube return SAMPLERCUBE; +sampler1DArray KEYWORD(130, 130, SAMPLER1DARRAY); +sampler2DArray KEYWORD(130, 130, SAMPLER2DARRAY); +sampler1DShadow return SAMPLER1DSHADOW; +sampler2DShadow return SAMPLER2DSHADOW; +samplerCubeShadow KEYWORD(130, 130, SAMPLERCUBESHADOW); +sampler1DArrayShadow KEYWORD(130, 130, SAMPLER1DARRAYSHADOW); +sampler2DArrayShadow KEYWORD(130, 130, SAMPLER2DARRAYSHADOW); +isampler1D KEYWORD(130, 130, ISAMPLER1D); +isampler2D KEYWORD(130, 130, ISAMPLER2D); +isampler3D KEYWORD(130, 130, ISAMPLER3D); +isamplerCube KEYWORD(130, 130, ISAMPLERCUBE); +isampler1DArray KEYWORD(130, 130, ISAMPLER1DARRAY); +isampler2DArray KEYWORD(130, 130, ISAMPLER2DARRAY); +usampler1D KEYWORD(130, 130, USAMPLER1D); +usampler2D KEYWORD(130, 130, USAMPLER2D); +usampler3D KEYWORD(130, 130, USAMPLER3D); +usamplerCube KEYWORD(130, 130, USAMPLERCUBE); +usampler1DArray KEYWORD(130, 130, USAMPLER1DARRAY); +usampler2DArray KEYWORD(130, 130, USAMPLER2DARRAY); + + +struct return STRUCT; +void return VOID_TOK; + +layout { + if ((yyextra->language_version >= 140) + || yyextra->AMD_conservative_depth_enable + || yyextra->ARB_explicit_attrib_location_enable + || yyextra->ARB_fragment_coord_conventions_enable) { + return LAYOUT_TOK; + } else { + yylval->identifier = strdup(yytext); + return IDENTIFIER; + } + } + +\+\+ return INC_OP; +-- return DEC_OP; +\<= return LE_OP; +>= return GE_OP; +== return EQ_OP; +!= return NE_OP; +&& return AND_OP; +\|\| return OR_OP; +"^^" return XOR_OP; +"<<" return LEFT_OP; +">>" return RIGHT_OP; + +\*= return MUL_ASSIGN; +\/= return DIV_ASSIGN; +\+= return ADD_ASSIGN; +\%= return MOD_ASSIGN; +\<\<= return LEFT_ASSIGN; +>>= return RIGHT_ASSIGN; +&= return AND_ASSIGN; +"^=" return XOR_ASSIGN; +\|= return OR_ASSIGN; +-= return SUB_ASSIGN; + +[1-9][0-9]*[uU]? { + yylval->n = strtol(yytext, NULL, 10); + return IS_UINT ? UINTCONSTANT : INTCONSTANT; + } +0[xX][0-9a-fA-F]+[uU]? { + yylval->n = strtol(yytext + 2, NULL, 16); + return IS_UINT ? UINTCONSTANT : INTCONSTANT; + } +0[0-7]*[uU]? { + yylval->n = strtol(yytext, NULL, 8); + return IS_UINT ? UINTCONSTANT : INTCONSTANT; + } + +[0-9]+\.[0-9]+([eE][+-]?[0-9]+)?[fF]? { + yylval->real = glsl_strtod(yytext, NULL); + return FLOATCONSTANT; + } +\.[0-9]+([eE][+-]?[0-9]+)?[fF]? { + yylval->real = glsl_strtod(yytext, NULL); + return FLOATCONSTANT; + } +[0-9]+\.([eE][+-]?[0-9]+)?[fF]? { + yylval->real = glsl_strtod(yytext, NULL); + return FLOATCONSTANT; + } +[0-9]+[eE][+-]?[0-9]+[fF]? { + yylval->real = glsl_strtod(yytext, NULL); + return FLOATCONSTANT; + } +[0-9]+[fF] { + yylval->real = glsl_strtod(yytext, NULL); + return FLOATCONSTANT; + } + +true { + yylval->n = 1; + return BOOLCONSTANT; + } +false { + yylval->n = 0; + return BOOLCONSTANT; + } + + + /* Reserved words in GLSL 1.10. */ +asm KEYWORD(110 || ES, 999, ASM); +class KEYWORD(110 || ES, 999, CLASS); +union KEYWORD(110 || ES, 999, UNION); +enum KEYWORD(110 || ES, 999, ENUM); +typedef KEYWORD(110 || ES, 999, TYPEDEF); +template KEYWORD(110 || ES, 999, TEMPLATE); +this KEYWORD(110 || ES, 999, THIS); +packed KEYWORD(110 || ES, 999, PACKED_TOK); +goto KEYWORD(110 || ES, 999, GOTO); +switch KEYWORD(110 || ES, 130, SWITCH); +default KEYWORD(110 || ES, 130, DEFAULT); +inline KEYWORD(110 || ES, 999, INLINE_TOK); +noinline KEYWORD(110 || ES, 999, NOINLINE); +volatile KEYWORD(110 || ES, 999, VOLATILE); +public KEYWORD(110 || ES, 999, PUBLIC_TOK); +static KEYWORD(110 || ES, 999, STATIC); +extern KEYWORD(110 || ES, 999, EXTERN); +external KEYWORD(110 || ES, 999, EXTERNAL); +interface KEYWORD(110 || ES, 999, INTERFACE); +long KEYWORD(110 || ES, 999, LONG_TOK); +short KEYWORD(110 || ES, 999, SHORT_TOK); +double KEYWORD(110 || ES, 400, DOUBLE_TOK); +half KEYWORD(110 || ES, 999, HALF); +fixed KEYWORD(110 || ES, 999, FIXED_TOK); +unsigned KEYWORD(110 || ES, 999, UNSIGNED); +input KEYWORD(110 || ES, 999, INPUT_TOK); +output KEYWORD(110 || ES, 999, OUTPUT); +hvec2 KEYWORD(110 || ES, 999, HVEC2); +hvec3 KEYWORD(110 || ES, 999, HVEC3); +hvec4 KEYWORD(110 || ES, 999, HVEC4); +dvec2 KEYWORD(110 || ES, 400, DVEC2); +dvec3 KEYWORD(110 || ES, 400, DVEC3); +dvec4 KEYWORD(110 || ES, 400, DVEC4); +fvec2 KEYWORD(110 || ES, 999, FVEC2); +fvec3 KEYWORD(110 || ES, 999, FVEC3); +fvec4 KEYWORD(110 || ES, 999, FVEC4); +sampler2DRect return SAMPLER2DRECT; +sampler3DRect KEYWORD(110 || ES, 999, SAMPLER3DRECT); +sampler2DRectShadow return SAMPLER2DRECTSHADOW; +sizeof KEYWORD(110 || ES, 999, SIZEOF); +cast KEYWORD(110 || ES, 999, CAST); +namespace KEYWORD(110 || ES, 999, NAMESPACE); +using KEYWORD(110 || ES, 999, USING); + + /* Additional reserved words in GLSL 1.20. */ +lowp KEYWORD(120, 130 || ES, LOWP); +mediump KEYWORD(120, 130 || ES, MEDIUMP); +highp KEYWORD(120, 130 || ES, HIGHP); +precision KEYWORD(120, 130 || ES, PRECISION); + + /* Additional reserved words in GLSL 1.30. */ +case KEYWORD(130, 130, CASE); +common KEYWORD(130, 999, COMMON); +partition KEYWORD(130, 999, PARTITION); +active KEYWORD(130, 999, ACTIVE); +superp KEYWORD(130 || ES, 999, SUPERP); +samplerBuffer KEYWORD(130, 140, SAMPLERBUFFER); +filter KEYWORD(130, 999, FILTER); +image1D KEYWORD(130, 999, IMAGE1D); +image2D KEYWORD(130, 999, IMAGE2D); +image3D KEYWORD(130, 999, IMAGE3D); +imageCube KEYWORD(130, 999, IMAGECUBE); +iimage1D KEYWORD(130, 999, IIMAGE1D); +iimage2D KEYWORD(130, 999, IIMAGE2D); +iimage3D KEYWORD(130, 999, IIMAGE3D); +iimageCube KEYWORD(130, 999, IIMAGECUBE); +uimage1D KEYWORD(130, 999, UIMAGE1D); +uimage2D KEYWORD(130, 999, UIMAGE2D); +uimage3D KEYWORD(130, 999, UIMAGE3D); +uimageCube KEYWORD(130, 999, UIMAGECUBE); +image1DArray KEYWORD(130, 999, IMAGE1DARRAY); +image2DArray KEYWORD(130, 999, IMAGE2DARRAY); +iimage1DArray KEYWORD(130, 999, IIMAGE1DARRAY); +iimage2DArray KEYWORD(130, 999, IIMAGE2DARRAY); +uimage1DArray KEYWORD(130, 999, UIMAGE1DARRAY); +uimage2DArray KEYWORD(130, 999, UIMAGE2DARRAY); +image1DShadow KEYWORD(130, 999, IMAGE1DSHADOW); +image2DShadow KEYWORD(130, 999, IMAGE2DSHADOW); +image1DArrayShadow KEYWORD(130, 999, IMAGE1DARRAYSHADOW); +image2DArrayShadow KEYWORD(130, 999, IMAGE2DARRAYSHADOW); +imageBuffer KEYWORD(130, 999, IMAGEBUFFER); +iimageBuffer KEYWORD(130, 999, IIMAGEBUFFER); +uimageBuffer KEYWORD(130, 999, UIMAGEBUFFER); +row_major KEYWORD(130, 999, ROW_MAJOR); + +[_a-zA-Z][_a-zA-Z0-9]* { + struct _mesa_glsl_parse_state *state = yyextra; + void *ctx = state; + yylval->identifier = talloc_strdup(ctx, yytext); + return IDENTIFIER; + } + +. { return yytext[0]; } + +%% + +void +_mesa_glsl_lexer_ctor(struct _mesa_glsl_parse_state *state, const char *string) +{ + yylex_init_extra(state, & state->scanner); + yy_scan_string(string, state->scanner); +} + +void +_mesa_glsl_lexer_dtor(struct _mesa_glsl_parse_state *state) +{ + yylex_destroy(state->scanner); +} |