From 29285882676388aacff123e8bdf025904abf8ea9 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Thu, 24 Jun 2010 15:32:15 -0700 Subject: glsl2: Move the compiler to the subdirectory it will live in in Mesa. --- src/glsl/glsl_lexer.lpp | 336 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 336 insertions(+) create mode 100644 src/glsl/glsl_lexer.lpp (limited to 'src/glsl/glsl_lexer.lpp') diff --git a/src/glsl/glsl_lexer.lpp b/src/glsl/glsl_lexer.lpp new file mode 100644 index 0000000000..fa439f1278 --- /dev/null +++ b/src/glsl/glsl_lexer.lpp @@ -0,0 +1,336 @@ +%{ +/* + * Copyright © 2008, 2009 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ +#include +#include "ast.h" +#include "glsl_parser_extras.h" +#include "glsl_parser.h" + +#define YY_USER_ACTION \ + do { \ + yylloc->source = 0; \ + yylloc->first_column = yycolumn + 1; \ + yylloc->first_line = yylineno + 1; \ + yycolumn += yyleng; \ + } while(0); + +%} + +%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 + +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; + } +^[ \t]*#[ \t]*pragma { BEGIN PP; return PRAGMA; } +\/\/[^\n]* { } +[ \t\r]* { } +: return COLON; +[_a-zA-Z][_a-zA-Z0-9]* { + yylval->identifier = strdup(yytext); + return IDENTIFIER; + } +[1-9][0-9]* { + yylval->n = strtol(yytext, NULL, 10); + return INTCONSTANT; + } +\n { BEGIN 0; yylineno++; yycolumn = 0; return EOL; } + +\n { yylineno++; yycolumn = 0; } + +attribute return ATTRIBUTE; +const return CONST; +bool return BOOL; +float return FLOAT; +int return INT; + +break return BREAK; +continue return CONTINUE; +do return DO; +while return WHILE; +else return ELSE; +for return FOR; +if return IF; +discard return DISCARD; +return return RETURN; + +bvec2 return BVEC2; +bvec3 return BVEC3; +bvec4 return BVEC4; +ivec2 return IVEC2; +ivec3 return IVEC3; +ivec4 return IVEC4; +vec2 return VEC2; +vec3 return VEC3; +vec4 return VEC4; +mat2 return MAT2; +mat3 return MAT3; +mat4 return MAT4; +mat2x2 return MAT2X2; +mat2x3 return MAT2X3; +mat2x4 return MAT2X4; +mat3x2 return MAT3X2; +mat3x3 return MAT3X3; +mat3x4 return MAT3X4; +mat4x2 return MAT4X2; +mat4x3 return MAT4X3; +mat4x4 return MAT4X4; + +in return IN; +out return OUT; +inout return INOUT; +uniform return UNIFORM; +varying return VARYING; +centroid { + if (yyextra->language_version >= 120) { + return CENTROID; + } else { + yylval->identifier = strdup(yytext); + return IDENTIFIER; + } + } +invariant { + if (yyextra->language_version >= 120) { + return INVARIANT; + } else { + yylval->identifier = strdup(yytext); + return IDENTIFIER; + } + } + +flat { + if (yyextra->language_version >= 130) { + return FLAT; + } else { + yylval->identifier = strdup(yytext); + return IDENTIFIER; + } + } +smooth { + if (yyextra->language_version >= 130) { + return SMOOTH; + } else { + yylval->identifier = strdup(yytext); + return IDENTIFIER; + } + } +noperspective { + if (yyextra->language_version >= 130) { + return NOPERSPECTIVE; + } else { + yylval->identifier = strdup(yytext); + return IDENTIFIER; + } + } + +sampler1D return SAMPLER1D; +sampler2D return SAMPLER2D; +sampler3D return SAMPLER3D; +samplerCube return SAMPLERCUBE; +sampler1DShadow return SAMPLER1DSHADOW; +sampler2DShadow return SAMPLER2DSHADOW; + +struct return STRUCT; +void return VOID; + +\+\+ return INC_OP; +-- return DEC_OP; +\<= return LE_OP; +>= return GE_OP; +== return EQ_OP; +!= return NE_OP; +&& return AND_OP; +\|\| return OR_OP; +"^^" return XOR_OP; + +\*= return MUL_ASSIGN; +\/= return DIV_ASSIGN; +\+= return ADD_ASSIGN; +\%= return MOD_ASSIGN; +\<\<= return LEFT_ASSIGN; +>>= return RIGHT_ASSIGN; +&= return AND_ASSIGN; +^= return XOR_ASSIGN; +\|= return OR_ASSIGN; +-= return SUB_ASSIGN; + +[1-9][0-9]* { + yylval->n = strtol(yytext, NULL, 10); + return INTCONSTANT; + } +0[xX][0-9a-fA-F]+ { + yylval->n = strtol(yytext + 2, NULL, 16); + return INTCONSTANT; + } +0[0-7]* { + yylval->n = strtol(yytext + 2, NULL, 8); + return INTCONSTANT; + } + +[0-9]+\.[0-9]+([eE][+-]?[0-9]+)?[fF]? { + yylval->real = strtod(yytext, NULL); + return FLOATCONSTANT; + } +\.[0-9]+([eE][+-]?[0-9]+)?[fF]? { + yylval->real = strtod(yytext, NULL); + return FLOATCONSTANT; + } +[0-9]+\.([eE][+-]?[0-9]+)?[fF]? { + yylval->real = strtod(yytext, NULL); + return FLOATCONSTANT; + } +[0-9]+[eE][+-]?[0-9]+[fF]? { + yylval->real = strtod(yytext, NULL); + return FLOATCONSTANT; + } + +true { + yylval->n = 1; + return BOOLCONSTANT; + } +false { + yylval->n = 0; + return BOOLCONSTANT; + } + + + /* Reserved words in GLSL 1.10. */ +asm return ASM; +class return CLASS; +union return UNION; +enum return ENUM; +typedef return TYPEDEF; +template return TEMPLATE; +this return THIS; +packed return PACKED; +goto return GOTO; +switch return SWITCH; +default return DEFAULT; +inline return INLINE; +noinline return NOINLINE; +volatile return VOLATILE; +public return PUBLIC; +static return STATIC; +extern return EXTERN; +external return EXTERNAL; +interface return INTERFACE; +long return LONG; +short return SHORT; +double return DOUBLE; +half return HALF; +fixed return FIXED; +unsigned return UNSIGNED; +input return INPUT; +output return OUTPUT; +hvec2 return HVEC2; +hvec3 return HVEC3; +hvec4 return HVEC4; +dvec2 return DVEC2; +dvec3 return DVEC3; +dvec4 return DVEC4; +fvec2 return FVEC2; +fvec3 return FVEC3; +fvec4 return FVEC4; +sampler2DRect return SAMPLER2DRECT; +sampler3DRect return SAMPLER3DRECT; +sampler2DRectShadow return SAMPLER2DRECTSHADOW; +sizeof return SIZEOF; +cast return CAST; +namespace return NAMESPACE; +using return USING; + + /* Additional reserved words in GLSL 1.20. */ +lowp return LOWP; +mediump return MEDIUMP; +highp return HIGHP; +precision return PRECISION; + +[_a-zA-Z][_a-zA-Z0-9]* { + struct _mesa_glsl_parse_state *state = yyextra; + void *ctx = talloc_parent(state); + yylval->identifier = talloc_strdup(ctx, yytext); + return IDENTIFIER; + } + +. { return yytext[0]; } + +%% + +void +_mesa_glsl_lexer_ctor(struct _mesa_glsl_parse_state *state, const char *string) +{ + yylex_init_extra(state, & state->scanner); + yy_scan_string(string, state->scanner); +} + +void +_mesa_glsl_lexer_dtor(struct _mesa_glsl_parse_state *state) +{ + yylex_destroy(state->scanner); +} -- cgit v1.2.3