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| 1901 | serge | 1 | %{ |
| 2 | /* |
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| 3 | * Copyright © 2008, 2009 Intel Corporation |
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| 4 | * |
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| 5 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 6 | * copy of this software and associated documentation files (the "Software"), |
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| 7 | * to deal in the Software without restriction, including without limitation |
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| 8 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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| 9 | * and/or sell copies of the Software, and to permit persons to whom the |
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| 10 | * Software is furnished to do so, subject to the following conditions: |
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| 11 | * |
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| 12 | * The above copyright notice and this permission notice (including the next |
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| 13 | * paragraph) shall be included in all copies or substantial portions of the |
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| 14 | * Software. |
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| 15 | * |
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| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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| 19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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| 21 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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| 22 | * DEALINGS IN THE SOFTWARE. |
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| 23 | */ |
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| 24 | #include |
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| 25 | #include "strtod.h" |
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| 26 | #include "ast.h" |
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| 27 | #include "glsl_parser_extras.h" |
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| 28 | #include "glsl_parser.h" |
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| 29 | |||
| 30 | static int classify_identifier(struct _mesa_glsl_parse_state *, const char *); |
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| 31 | |||
| 32 | #define YY_USER_ACTION \ |
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| 33 | do { \ |
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| 34 | yylloc->source = 0; \ |
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| 35 | yylloc->first_column = yycolumn + 1; \ |
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| 36 | yylloc->first_line = yylineno + 1; \ |
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| 37 | yycolumn += yyleng; \ |
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| 38 | } while(0); |
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| 39 | |||
| 40 | #define YY_USER_INIT yylineno = 0; yycolumn = 0; |
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| 41 | |||
| 42 | #define IS_UINT (yytext[yyleng - 1] == 'u' || yytext[yyleng - 1] == 'U') |
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| 43 | |||
| 44 | /* A macro for handling reserved words and keywords across language versions. |
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| 45 | * |
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| 46 | * Certain words start out as identifiers, become reserved words in |
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| 47 | * later language revisions, and finally become language keywords. |
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| 48 | * |
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| 49 | * For example, consider the following lexer rule: |
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| 50 | * samplerBuffer KEYWORD(130, 140, SAMPLERBUFFER) |
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| 51 | * |
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| 52 | * This means that "samplerBuffer" will be treated as: |
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| 53 | * - a keyword (SAMPLERBUFFER token) ...in GLSL >= 1.40 |
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| 54 | * - a reserved word - error ...in GLSL >= 1.30 |
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| 55 | * - an identifier ...in GLSL < 1.30 |
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| 56 | */ |
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| 57 | #define KEYWORD(reserved_version, allowed_version, token) \ |
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| 58 | do { \ |
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| 59 | if (yyextra->language_version >= allowed_version) { \ |
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| 60 | return token; \ |
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| 61 | } else if (yyextra->language_version >= reserved_version) { \ |
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| 62 | _mesa_glsl_error(yylloc, yyextra, \ |
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| 63 | "Illegal use of reserved word `%s'", yytext); \ |
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| 64 | return ERROR_TOK; \ |
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| 65 | } else { \ |
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| 66 | yylval->identifier = strdup(yytext); \ |
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| 67 | return classify_identifier(yyextra, yytext); \ |
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| 68 | } \ |
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| 69 | } while (0) |
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| 70 | |||
| 71 | /* The ES macro can be used in KEYWORD checks: |
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| 72 | * |
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| 73 | * word KEYWORD(110 || ES, 400, TOKEN) |
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| 74 | * ...means the word is reserved in GLSL ES 1.00, while |
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| 75 | * |
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| 76 | * word KEYWORD(110, 130 || ES, TOKEN) |
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| 77 | * ...means the word is a legal keyword in GLSL ES 1.00. |
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| 78 | */ |
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| 79 | #define ES yyextra->es_shader |
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| 80 | %} |
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| 81 | |||
| 82 | %option bison-bridge bison-locations reentrant noyywrap |
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| 83 | %option nounput noyy_top_state |
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| 84 | %option never-interactive |
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| 85 | %option prefix="_mesa_glsl_" |
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| 86 | %option extra-type="struct _mesa_glsl_parse_state *" |
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| 87 | |||
| 88 | %x PP PRAGMA |
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| 89 | |||
| 90 | DEC_INT [1-9][0-9]* |
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| 91 | HEX_INT 0[xX][0-9a-fA-F]+ |
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| 92 | OCT_INT 0[0-7]* |
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| 93 | INT ({DEC_INT}|{HEX_INT}|{OCT_INT}) |
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| 94 | SPC [ \t]* |
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| 95 | SPCP [ \t]+ |
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| 96 | HASH ^{SPC}#{SPC} |
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| 97 | %% |
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| 98 | |||
| 99 | [ \r\t]+ ; |
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| 100 | |||
| 101 | /* Preprocessor tokens. */ |
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| 102 | ^[ \t]*#[ \t]*$ ; |
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| 103 | ^[ \t]*#[ \t]*version { BEGIN PP; return VERSION; } |
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| 104 | ^[ \t]*#[ \t]*extension { BEGIN PP; return EXTENSION; } |
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| 105 | {HASH}line{SPCP}{INT}{SPCP}{INT}{SPC}$ { |
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| 106 | /* Eat characters until the first digit is |
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| 107 | * encountered |
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| 108 | */ |
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| 109 | char *ptr = yytext; |
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| 110 | while (!isdigit(*ptr)) |
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| 111 | ptr++; |
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| 112 | |||
| 113 | /* Subtract one from the line number because |
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| 114 | * yylineno is zero-based instead of |
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| 115 | * one-based. |
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| 116 | */ |
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| 117 | yylineno = strtol(ptr, &ptr, 0) - 1; |
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| 118 | yylloc->source = strtol(ptr, NULL, 0); |
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| 119 | } |
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| 120 | {HASH}line{SPCP}{INT}{SPC}$ { |
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| 121 | /* Eat characters until the first digit is |
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| 122 | * encountered |
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| 123 | */ |
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| 124 | char *ptr = yytext; |
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| 125 | while (!isdigit(*ptr)) |
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| 126 | ptr++; |
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| 127 | |||
| 128 | /* Subtract one from the line number because |
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| 129 | * yylineno is zero-based instead of |
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| 130 | * one-based. |
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| 131 | */ |
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| 132 | yylineno = strtol(ptr, &ptr, 0) - 1; |
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| 133 | } |
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| 134 | ^{SPC}#{SPC}pragma{SPCP}debug{SPC}\({SPC}on{SPC}\) { |
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| 135 | BEGIN PP; |
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| 136 | return PRAGMA_DEBUG_ON; |
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| 137 | } |
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| 138 | ^{SPC}#{SPC}pragma{SPCP}debug{SPC}\({SPC}off{SPC}\) { |
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| 139 | BEGIN PP; |
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| 140 | return PRAGMA_DEBUG_OFF; |
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| 141 | } |
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| 142 | ^{SPC}#{SPC}pragma{SPCP}optimize{SPC}\({SPC}on{SPC}\) { |
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| 143 | BEGIN PP; |
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| 144 | return PRAGMA_OPTIMIZE_ON; |
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| 145 | } |
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| 146 | ^{SPC}#{SPC}pragma{SPCP}optimize{SPC}\({SPC}off{SPC}\) { |
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| 147 | BEGIN PP; |
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| 148 | return PRAGMA_OPTIMIZE_OFF; |
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| 149 | } |
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| 150 | ^{SPC}#{SPC}pragma{SPCP}STDGL{SPCP}invariant{SPC}\({SPC}all{SPC}\) { |
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| 151 | BEGIN PP; |
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| 152 | return PRAGMA_INVARIANT_ALL; |
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| 153 | } |
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| 154 | ^{SPC}#{SPC}pragma{SPCP} { BEGIN PRAGMA; } |
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| 155 | |||
| 156 |
|
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| 157 |
|
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| 158 | |||
| 159 |
|
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| 160 |
|
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| 161 |
|
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| 162 |
|
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| 163 | yylval->identifier = strdup(yytext); |
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| 164 | return IDENTIFIER; |
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| 165 | } |
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| 166 |
|
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| 167 | yylval->n = strtol(yytext, NULL, 10); |
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| 168 | return INTCONSTANT; |
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| 169 | } |
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| 170 |
|
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| 171 | |||
| 172 | \n { yylineno++; yycolumn = 0; } |
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| 173 | |||
| 174 | attribute return ATTRIBUTE; |
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| 175 | const return CONST_TOK; |
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| 176 | bool return BOOL_TOK; |
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| 177 | float return FLOAT_TOK; |
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| 178 | int return INT_TOK; |
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| 179 | uint KEYWORD(130, 130, UINT_TOK); |
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| 180 | |||
| 181 | break return BREAK; |
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| 182 | continue return CONTINUE; |
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| 183 | do return DO; |
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| 184 | while return WHILE; |
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| 185 | else return ELSE; |
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| 186 | for return FOR; |
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| 187 | if return IF; |
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| 188 | discard return DISCARD; |
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| 189 | return return RETURN; |
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| 190 | |||
| 191 | bvec2 return BVEC2; |
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| 192 | bvec3 return BVEC3; |
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| 193 | bvec4 return BVEC4; |
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| 194 | ivec2 return IVEC2; |
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| 195 | ivec3 return IVEC3; |
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| 196 | ivec4 return IVEC4; |
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| 197 | uvec2 KEYWORD(130, 130, UVEC2); |
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| 198 | uvec3 KEYWORD(130, 130, UVEC3); |
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| 199 | uvec4 KEYWORD(130, 130, UVEC4); |
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| 200 | vec2 return VEC2; |
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| 201 | vec3 return VEC3; |
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| 202 | vec4 return VEC4; |
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| 203 | mat2 return MAT2X2; |
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| 204 | mat3 return MAT3X3; |
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| 205 | mat4 return MAT4X4; |
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| 206 | mat2x2 KEYWORD(120, 120, MAT2X2); |
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| 207 | mat2x3 KEYWORD(120, 120, MAT2X3); |
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| 208 | mat2x4 KEYWORD(120, 120, MAT2X4); |
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| 209 | mat3x2 KEYWORD(120, 120, MAT3X2); |
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| 210 | mat3x3 KEYWORD(120, 120, MAT3X3); |
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| 211 | mat3x4 KEYWORD(120, 120, MAT3X4); |
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| 212 | mat4x2 KEYWORD(120, 120, MAT4X2); |
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| 213 | mat4x3 KEYWORD(120, 120, MAT4X3); |
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| 214 | mat4x4 KEYWORD(120, 120, MAT4X4); |
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| 215 | |||
| 216 | in return IN_TOK; |
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| 217 | out return OUT_TOK; |
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| 218 | inout return INOUT_TOK; |
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| 219 | uniform return UNIFORM; |
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| 220 | varying return VARYING; |
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| 221 | centroid KEYWORD(120, 120, CENTROID); |
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| 222 | invariant KEYWORD(120 || ES, 120 || ES, INVARIANT); |
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| 223 | flat KEYWORD(130 || ES, 130, FLAT); |
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| 224 | smooth KEYWORD(130, 130, SMOOTH); |
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| 225 | noperspective KEYWORD(130, 130, NOPERSPECTIVE); |
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| 226 | |||
| 227 | sampler1D return SAMPLER1D; |
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| 228 | sampler2D return SAMPLER2D; |
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| 229 | sampler3D return SAMPLER3D; |
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| 230 | samplerCube return SAMPLERCUBE; |
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| 231 | sampler1DArray KEYWORD(130, 130, SAMPLER1DARRAY); |
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| 232 | sampler2DArray KEYWORD(130, 130, SAMPLER2DARRAY); |
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| 233 | sampler1DShadow return SAMPLER1DSHADOW; |
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| 234 | sampler2DShadow return SAMPLER2DSHADOW; |
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| 235 | samplerCubeShadow KEYWORD(130, 130, SAMPLERCUBESHADOW); |
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| 236 | sampler1DArrayShadow KEYWORD(130, 130, SAMPLER1DARRAYSHADOW); |
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| 237 | sampler2DArrayShadow KEYWORD(130, 130, SAMPLER2DARRAYSHADOW); |
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| 238 | isampler1D KEYWORD(130, 130, ISAMPLER1D); |
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| 239 | isampler2D KEYWORD(130, 130, ISAMPLER2D); |
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| 240 | isampler3D KEYWORD(130, 130, ISAMPLER3D); |
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| 241 | isamplerCube KEYWORD(130, 130, ISAMPLERCUBE); |
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| 242 | isampler1DArray KEYWORD(130, 130, ISAMPLER1DARRAY); |
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| 243 | isampler2DArray KEYWORD(130, 130, ISAMPLER2DARRAY); |
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| 244 | usampler1D KEYWORD(130, 130, USAMPLER1D); |
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| 245 | usampler2D KEYWORD(130, 130, USAMPLER2D); |
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| 246 | usampler3D KEYWORD(130, 130, USAMPLER3D); |
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| 247 | usamplerCube KEYWORD(130, 130, USAMPLERCUBE); |
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| 248 | usampler1DArray KEYWORD(130, 130, USAMPLER1DARRAY); |
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| 249 | usampler2DArray KEYWORD(130, 130, USAMPLER2DARRAY); |
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| 250 | |||
| 251 | |||
| 252 | struct return STRUCT; |
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| 253 | void return VOID_TOK; |
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| 254 | |||
| 255 | layout { |
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| 256 | if ((yyextra->language_version >= 140) |
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| 257 | || yyextra->ARB_explicit_attrib_location_enable |
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| 258 | || (yyextra->ARB_fragment_coord_conventions_enable)){ |
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| 259 | return LAYOUT_TOK; |
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| 260 | } else { |
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| 261 | yylval->identifier = strdup(yytext); |
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| 262 | return IDENTIFIER; |
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| 263 | } |
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| 264 | } |
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| 265 | |||
| 266 | \+\+ return INC_OP; |
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| 267 | -- return DEC_OP; |
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| 268 | \<= return LE_OP; |
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| 269 | >= return GE_OP; |
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| 270 | == return EQ_OP; |
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| 271 | != return NE_OP; |
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| 272 | && return AND_OP; |
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| 273 | \|\| return OR_OP; |
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| 274 | "^^" return XOR_OP; |
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| 275 | "<<" return LEFT_OP; |
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| 276 | ">>" return RIGHT_OP; |
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| 277 | |||
| 278 | \*= return MUL_ASSIGN; |
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| 279 | \/= return DIV_ASSIGN; |
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| 280 | \+= return ADD_ASSIGN; |
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| 281 | \%= return MOD_ASSIGN; |
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| 282 | \<\<= return LEFT_ASSIGN; |
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| 283 | >>= return RIGHT_ASSIGN; |
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| 284 | &= return AND_ASSIGN; |
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| 285 | "^=" return XOR_ASSIGN; |
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| 286 | \|= return OR_ASSIGN; |
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| 287 | -= return SUB_ASSIGN; |
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| 288 | |||
| 289 | [1-9][0-9]*[uU]? { |
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| 290 | yylval->n = strtol(yytext, NULL, 10); |
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| 291 | return IS_UINT ? UINTCONSTANT : INTCONSTANT; |
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| 292 | } |
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| 293 | 0[xX][0-9a-fA-F]+[uU]? { |
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| 294 | yylval->n = strtol(yytext + 2, NULL, 16); |
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| 295 | return IS_UINT ? UINTCONSTANT : INTCONSTANT; |
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| 296 | } |
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| 297 | 0[0-7]*[uU]? { |
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| 298 | yylval->n = strtol(yytext, NULL, 8); |
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| 299 | return IS_UINT ? UINTCONSTANT : INTCONSTANT; |
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| 300 | } |
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| 301 | |||
| 302 | [0-9]+\.[0-9]+([eE][+-]?[0-9]+)?[fF]? { |
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| 303 | yylval->real = glsl_strtod(yytext, NULL); |
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| 304 | return FLOATCONSTANT; |
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| 305 | } |
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| 306 | \.[0-9]+([eE][+-]?[0-9]+)?[fF]? { |
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| 307 | yylval->real = glsl_strtod(yytext, NULL); |
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| 308 | return FLOATCONSTANT; |
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| 309 | } |
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| 310 | [0-9]+\.([eE][+-]?[0-9]+)?[fF]? { |
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| 311 | yylval->real = glsl_strtod(yytext, NULL); |
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| 312 | return FLOATCONSTANT; |
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| 313 | } |
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| 314 | [0-9]+[eE][+-]?[0-9]+[fF]? { |
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| 315 | yylval->real = glsl_strtod(yytext, NULL); |
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| 316 | return FLOATCONSTANT; |
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| 317 | } |
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| 318 | [0-9]+[fF] { |
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| 319 | yylval->real = glsl_strtod(yytext, NULL); |
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| 320 | return FLOATCONSTANT; |
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| 321 | } |
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| 322 | |||
| 323 | true { |
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| 324 | yylval->n = 1; |
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| 325 | return BOOLCONSTANT; |
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| 326 | } |
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| 327 | false { |
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| 328 | yylval->n = 0; |
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| 329 | return BOOLCONSTANT; |
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| 330 | } |
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| 331 | |||
| 332 | |||
| 333 | /* Reserved words in GLSL 1.10. */ |
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| 334 | asm KEYWORD(110 || ES, 999, ASM); |
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| 335 | class KEYWORD(110 || ES, 999, CLASS); |
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| 336 | union KEYWORD(110 || ES, 999, UNION); |
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| 337 | enum KEYWORD(110 || ES, 999, ENUM); |
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| 338 | typedef KEYWORD(110 || ES, 999, TYPEDEF); |
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| 339 | template KEYWORD(110 || ES, 999, TEMPLATE); |
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| 340 | this KEYWORD(110 || ES, 999, THIS); |
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| 341 | packed KEYWORD(110 || ES, 999, PACKED_TOK); |
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| 342 | goto KEYWORD(110 || ES, 999, GOTO); |
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| 343 | switch KEYWORD(110 || ES, 130, SWITCH); |
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| 344 | default KEYWORD(110 || ES, 130, DEFAULT); |
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| 345 | inline KEYWORD(110 || ES, 999, INLINE_TOK); |
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| 346 | noinline KEYWORD(110 || ES, 999, NOINLINE); |
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| 347 | volatile KEYWORD(110 || ES, 999, VOLATILE); |
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| 348 | public KEYWORD(110 || ES, 999, PUBLIC_TOK); |
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| 349 | static KEYWORD(110 || ES, 999, STATIC); |
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| 350 | extern KEYWORD(110 || ES, 999, EXTERN); |
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| 351 | external KEYWORD(110 || ES, 999, EXTERNAL); |
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| 352 | interface KEYWORD(110 || ES, 999, INTERFACE); |
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| 353 | long KEYWORD(110 || ES, 999, LONG_TOK); |
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| 354 | short KEYWORD(110 || ES, 999, SHORT_TOK); |
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| 355 | double KEYWORD(110 || ES, 400, DOUBLE_TOK); |
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| 356 | half KEYWORD(110 || ES, 999, HALF); |
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| 357 | fixed KEYWORD(110 || ES, 999, FIXED_TOK); |
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| 358 | unsigned KEYWORD(110 || ES, 999, UNSIGNED); |
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| 359 | input KEYWORD(110 || ES, 999, INPUT_TOK); |
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| 360 | output KEYWORD(110 || ES, 999, OUTPUT); |
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| 361 | hvec2 KEYWORD(110 || ES, 999, HVEC2); |
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| 362 | hvec3 KEYWORD(110 || ES, 999, HVEC3); |
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| 363 | hvec4 KEYWORD(110 || ES, 999, HVEC4); |
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| 364 | dvec2 KEYWORD(110 || ES, 400, DVEC2); |
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| 365 | dvec3 KEYWORD(110 || ES, 400, DVEC3); |
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| 366 | dvec4 KEYWORD(110 || ES, 400, DVEC4); |
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| 367 | fvec2 KEYWORD(110 || ES, 999, FVEC2); |
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| 368 | fvec3 KEYWORD(110 || ES, 999, FVEC3); |
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| 369 | fvec4 KEYWORD(110 || ES, 999, FVEC4); |
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| 370 | sampler2DRect return SAMPLER2DRECT; |
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| 371 | sampler3DRect KEYWORD(110 || ES, 999, SAMPLER3DRECT); |
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| 372 | sampler2DRectShadow return SAMPLER2DRECTSHADOW; |
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| 373 | sizeof KEYWORD(110 || ES, 999, SIZEOF); |
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| 374 | cast KEYWORD(110 || ES, 999, CAST); |
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| 375 | namespace KEYWORD(110 || ES, 999, NAMESPACE); |
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| 376 | using KEYWORD(110 || ES, 999, USING); |
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| 377 | |||
| 378 | /* Additional reserved words in GLSL 1.20. */ |
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| 379 | lowp KEYWORD(120, 130 || ES, LOWP); |
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| 380 | mediump KEYWORD(120, 130 || ES, MEDIUMP); |
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| 381 | highp KEYWORD(120, 130 || ES, HIGHP); |
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| 382 | precision KEYWORD(120, 130 || ES, PRECISION); |
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| 383 | |||
| 384 | /* Additional reserved words in GLSL 1.30. */ |
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| 385 | case KEYWORD(130, 130, CASE); |
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| 386 | common KEYWORD(130, 999, COMMON); |
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| 387 | partition KEYWORD(130, 999, PARTITION); |
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| 388 | active KEYWORD(130, 999, ACTIVE); |
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| 389 | superp KEYWORD(130 || ES, 999, SUPERP); |
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| 390 | samplerBuffer KEYWORD(130, 140, SAMPLERBUFFER); |
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| 391 | filter KEYWORD(130, 999, FILTER); |
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| 392 | image1D KEYWORD(130, 999, IMAGE1D); |
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| 393 | image2D KEYWORD(130, 999, IMAGE2D); |
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| 394 | image3D KEYWORD(130, 999, IMAGE3D); |
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| 395 | imageCube KEYWORD(130, 999, IMAGECUBE); |
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| 396 | iimage1D KEYWORD(130, 999, IIMAGE1D); |
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| 397 | iimage2D KEYWORD(130, 999, IIMAGE2D); |
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| 398 | iimage3D KEYWORD(130, 999, IIMAGE3D); |
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| 399 | iimageCube KEYWORD(130, 999, IIMAGECUBE); |
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| 400 | uimage1D KEYWORD(130, 999, UIMAGE1D); |
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| 401 | uimage2D KEYWORD(130, 999, UIMAGE2D); |
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| 402 | uimage3D KEYWORD(130, 999, UIMAGE3D); |
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| 403 | uimageCube KEYWORD(130, 999, UIMAGECUBE); |
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| 404 | image1DArray KEYWORD(130, 999, IMAGE1DARRAY); |
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| 405 | image2DArray KEYWORD(130, 999, IMAGE2DARRAY); |
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| 406 | iimage1DArray KEYWORD(130, 999, IIMAGE1DARRAY); |
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| 407 | iimage2DArray KEYWORD(130, 999, IIMAGE2DARRAY); |
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| 408 | uimage1DArray KEYWORD(130, 999, UIMAGE1DARRAY); |
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| 409 | uimage2DArray KEYWORD(130, 999, UIMAGE2DARRAY); |
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| 410 | image1DShadow KEYWORD(130, 999, IMAGE1DSHADOW); |
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| 411 | image2DShadow KEYWORD(130, 999, IMAGE2DSHADOW); |
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| 412 | image1DArrayShadow KEYWORD(130, 999, IMAGE1DARRAYSHADOW); |
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| 413 | image2DArrayShadow KEYWORD(130, 999, IMAGE2DARRAYSHADOW); |
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| 414 | imageBuffer KEYWORD(130, 999, IMAGEBUFFER); |
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| 415 | iimageBuffer KEYWORD(130, 999, IIMAGEBUFFER); |
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| 416 | uimageBuffer KEYWORD(130, 999, UIMAGEBUFFER); |
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| 417 | row_major KEYWORD(130, 999, ROW_MAJOR); |
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| 418 | |||
| 419 | [_a-zA-Z][_a-zA-Z0-9]* { |
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| 420 | struct _mesa_glsl_parse_state *state = yyextra; |
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| 421 | void *ctx = state; |
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| 422 | yylval->identifier = ralloc_strdup(ctx, yytext); |
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| 423 | return classify_identifier(state, yytext); |
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| 424 | } |
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| 425 | |||
| 426 | . { return yytext[0]; } |
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| 427 | |||
| 428 | %% |
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| 429 | |||
| 430 | int |
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| 431 | classify_identifier(struct _mesa_glsl_parse_state *state, const char *name) |
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| 432 | { |
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| 433 | if (state->symbols->get_variable(name) || state->symbols->get_function(name)) |
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| 434 | return IDENTIFIER; |
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| 435 | else if (state->symbols->get_type(name)) |
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| 436 | return TYPE_IDENTIFIER; |
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| 437 | else |
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| 438 | return NEW_IDENTIFIER; |
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| 439 | } |
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| 440 | |||
| 441 | void |
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| 442 | _mesa_glsl_lexer_ctor(struct _mesa_glsl_parse_state *state, const char *string) |
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| 443 | { |
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| 444 | yylex_init_extra(state, & state->scanner); |
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| 445 | yy_scan_string(string, state->scanner); |
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| 446 | } |
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| 447 | |||
| 448 | void |
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| 449 | _mesa_glsl_lexer_dtor(struct _mesa_glsl_parse_state *state) |
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| 450 | { |
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| 451 | yylex_destroy(state->scanner); |
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| 452 | } |