diff options
-rw-r--r-- | src/mesa/shader/lex.yy.c | 445 | ||||
-rw-r--r-- | src/mesa/shader/program_lexer.l | 45 | ||||
-rw-r--r-- | src/mesa/shader/program_parse.tab.c | 21 | ||||
-rw-r--r-- | src/mesa/shader/program_parse.y | 17 | ||||
-rw-r--r-- | src/mesa/shader/program_parser.h | 16 |
5 files changed, 337 insertions, 207 deletions
diff --git a/src/mesa/shader/lex.yy.c b/src/mesa/shader/lex.yy.c index fefef573ee5..728c2dc272d 100644 --- a/src/mesa/shader/lex.yy.c +++ b/src/mesa/shader/lex.yy.c @@ -53,7 +53,6 @@ typedef int flex_int32_t; typedef unsigned char flex_uint8_t; typedef unsigned short int flex_uint16_t; typedef unsigned int flex_uint32_t; -#endif /* ! C99 */ /* Limits of integral types. */ #ifndef INT8_MIN @@ -84,6 +83,8 @@ typedef unsigned int flex_uint32_t; #define UINT32_MAX (4294967295U) #endif +#endif /* ! C99 */ + #endif /* ! FLEXINT_H */ #ifdef __cplusplus @@ -157,7 +158,15 @@ typedef void* yyscan_t; /* Size of default input buffer. */ #ifndef YY_BUF_SIZE +#ifdef __ia64__ +/* On IA-64, the buffer size is 16k, not 8k. + * Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case. + * Ditto for the __ia64__ case accordingly. + */ +#define YY_BUF_SIZE 32768 +#else #define YY_BUF_SIZE 16384 +#endif /* __ia64__ */ #endif /* The state buf must be large enough to hold one state per character in the main buffer. @@ -918,7 +927,7 @@ static yyconst flex_int16_t yy_chk[1023] = if (condition) { \ return token; \ } else { \ - yylval->string = strdup(yytext); \ + yylval->string = return_string(yyextra, yytext); \ return IDENTIFIER; \ } \ } while (0) @@ -941,7 +950,7 @@ static yyconst flex_int16_t yy_chk[1023] = yylval->temp_inst.SaturateMode = SATURATE_ ## sat; \ return token; \ } else { \ - yylval->string = strdup(yytext); \ + yylval->string = return_string(yyextra, yytext); \ return IDENTIFIER; \ } \ } while (0) @@ -949,6 +958,45 @@ static yyconst flex_int16_t yy_chk[1023] = #define SWIZZLE_INVAL MAKE_SWIZZLE4(SWIZZLE_NIL, SWIZZLE_NIL, \ SWIZZLE_NIL, SWIZZLE_NIL) +/** + * Send a string to the parser using asm_parser_state::string_dumpster + * + * Sends a string to the parser using asm_parser_state::string_dumpster as a + * temporary storage buffer. Data previously stored in + * asm_parser_state::string_dumpster will be lost. If + * asm_parser_state::string_dumpster is not large enough to hold the new + * string, the buffer size will be increased. The buffer size is \b never + * decreased. + * + * \param state Assembler parser state tracking + * \param str String to be passed to the parser + * + * \return + * A pointer to asm_parser_state::string_dumpster on success or \c NULL on + * failure. Currently the only failure case is \c ENOMEM. + */ +static char * +return_string(struct asm_parser_state *state, const char *str) +{ + const size_t len = strlen(str); + + if (len >= state->dumpster_size) { + char *const dumpster = _mesa_realloc(state->string_dumpster, + state->dumpster_size, + len + 1); + if (dumpster == NULL) { + return NULL; + } + + state->string_dumpster = dumpster; + state->dumpster_size = len + 1; + } + + memcpy(state->string_dumpster, str, len + 1); + return state->string_dumpster; +} + + static unsigned mask_from_char(char c) { @@ -1004,7 +1052,7 @@ swiz_from_char(char c) } while(0); #define YY_EXTRA_TYPE struct asm_parser_state * -#line 1008 "lex.yy.c" +#line 1056 "lex.yy.c" #define INITIAL 0 @@ -1141,7 +1189,12 @@ static int input (yyscan_t yyscanner ); /* Amount of stuff to slurp up with each read. */ #ifndef YY_READ_BUF_SIZE +#ifdef __ia64__ +/* On IA-64, the buffer size is 16k, not 8k */ +#define YY_READ_BUF_SIZE 16384 +#else #define YY_READ_BUF_SIZE 8192 +#endif /* __ia64__ */ #endif /* Copy whatever the last rule matched to the standard output. */ @@ -1149,7 +1202,7 @@ static int input (yyscan_t yyscanner ); /* This used to be an fputs(), but since the string might contain NUL's, * we now use fwrite(). */ -#define ECHO fwrite( yytext, yyleng, 1, yyout ) +#define ECHO do { if (fwrite( yytext, yyleng, 1, yyout )) {} } while (0) #endif /* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, @@ -1160,7 +1213,7 @@ static int input (yyscan_t yyscanner ); if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \ { \ int c = '*'; \ - unsigned n; \ + size_t n; \ for ( n = 0; n < max_size && \ (c = getc( yyin )) != EOF && c != '\n'; ++n ) \ buf[n] = (char) c; \ @@ -1245,10 +1298,10 @@ YY_DECL register int yy_act; struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; -#line 137 "program_lexer.l" +#line 176 "program_lexer.l" -#line 1252 "lex.yy.c" +#line 1305 "lex.yy.c" yylval = yylval_param; @@ -1337,17 +1390,17 @@ do_action: /* This label is used only to access EOF actions. */ case 1: YY_RULE_SETUP -#line 139 "program_lexer.l" +#line 178 "program_lexer.l" { return ARBvp_10; } YY_BREAK case 2: YY_RULE_SETUP -#line 140 "program_lexer.l" +#line 179 "program_lexer.l" { return ARBfp_10; } YY_BREAK case 3: YY_RULE_SETUP -#line 141 "program_lexer.l" +#line 180 "program_lexer.l" { yylval->integer = at_address; return_token_or_IDENTIFIER(require_ARB_vp, ADDRESS); @@ -1355,760 +1408,760 @@ YY_RULE_SETUP YY_BREAK case 4: YY_RULE_SETUP -#line 145 "program_lexer.l" +#line 184 "program_lexer.l" { return ALIAS; } YY_BREAK case 5: YY_RULE_SETUP -#line 146 "program_lexer.l" +#line 185 "program_lexer.l" { return ATTRIB; } YY_BREAK case 6: YY_RULE_SETUP -#line 147 "program_lexer.l" +#line 186 "program_lexer.l" { return END; } YY_BREAK case 7: YY_RULE_SETUP -#line 148 "program_lexer.l" +#line 187 "program_lexer.l" { return OPTION; } YY_BREAK case 8: YY_RULE_SETUP -#line 149 "program_lexer.l" +#line 188 "program_lexer.l" { return OUTPUT; } YY_BREAK case 9: YY_RULE_SETUP -#line 150 "program_lexer.l" +#line 189 "program_lexer.l" { return PARAM; } YY_BREAK case 10: YY_RULE_SETUP -#line 151 "program_lexer.l" +#line 190 "program_lexer.l" { yylval->integer = at_temp; return TEMP; } YY_BREAK case 11: YY_RULE_SETUP -#line 153 "program_lexer.l" +#line 192 "program_lexer.l" { return_opcode( 1, VECTOR_OP, ABS, OFF); } YY_BREAK case 12: YY_RULE_SETUP -#line 154 "program_lexer.l" +#line 193 "program_lexer.l" { return_opcode(require_ARB_fp, VECTOR_OP, ABS, ZERO_ONE); } YY_BREAK case 13: YY_RULE_SETUP -#line 155 "program_lexer.l" +#line 194 "program_lexer.l" { return_opcode( 1, BIN_OP, ADD, OFF); } YY_BREAK case 14: YY_RULE_SETUP -#line 156 "program_lexer.l" +#line 195 "program_lexer.l" { return_opcode(require_ARB_fp, BIN_OP, ADD, ZERO_ONE); } YY_BREAK case 15: YY_RULE_SETUP -#line 157 "program_lexer.l" +#line 196 "program_lexer.l" { return_opcode(require_ARB_vp, ARL, ARL, OFF); } YY_BREAK case 16: YY_RULE_SETUP -#line 159 "program_lexer.l" +#line 198 "program_lexer.l" { return_opcode(require_ARB_fp, TRI_OP, CMP, OFF); } YY_BREAK case 17: YY_RULE_SETUP -#line 160 "program_lexer.l" +#line 199 "program_lexer.l" { return_opcode(require_ARB_fp, TRI_OP, CMP, ZERO_ONE); } YY_BREAK case 18: YY_RULE_SETUP -#line 161 "program_lexer.l" +#line 200 "program_lexer.l" { return_opcode(require_ARB_fp, SCALAR_OP, COS, OFF); } YY_BREAK case 19: YY_RULE_SETUP -#line 162 "program_lexer.l" +#line 201 "program_lexer.l" { return_opcode(require_ARB_fp, SCALAR_OP, COS, ZERO_ONE); } YY_BREAK case 20: YY_RULE_SETUP -#line 164 "program_lexer.l" +#line 203 "program_lexer.l" { return_opcode( 1, BIN_OP, DP3, OFF); } YY_BREAK case 21: YY_RULE_SETUP -#line 165 "program_lexer.l" +#line 204 "program_lexer.l" { return_opcode(require_ARB_fp, BIN_OP, DP3, ZERO_ONE); } YY_BREAK case 22: YY_RULE_SETUP -#line 166 "program_lexer.l" +#line 205 "program_lexer.l" { return_opcode( 1, BIN_OP, DP4, OFF); } YY_BREAK case 23: YY_RULE_SETUP -#line 167 "program_lexer.l" +#line 206 "program_lexer.l" { return_opcode(require_ARB_fp, BIN_OP, DP4, ZERO_ONE); } YY_BREAK case 24: YY_RULE_SETUP -#line 168 "program_lexer.l" +#line 207 "program_lexer.l" { return_opcode( 1, BIN_OP, DPH, OFF); } YY_BREAK case 25: YY_RULE_SETUP -#line 169 "program_lexer.l" +#line 208 "program_lexer.l" { return_opcode(require_ARB_fp, BIN_OP, DPH, ZERO_ONE); } YY_BREAK case 26: YY_RULE_SETUP -#line 170 "program_lexer.l" +#line 209 "program_lexer.l" { return_opcode( 1, BIN_OP, DST, OFF); } YY_BREAK case 27: YY_RULE_SETUP -#line 171 "program_lexer.l" +#line 210 "program_lexer.l" { return_opcode(require_ARB_fp, BIN_OP, DST, ZERO_ONE); } YY_BREAK case 28: YY_RULE_SETUP -#line 173 "program_lexer.l" +#line 212 "program_lexer.l" { return_opcode( 1, SCALAR_OP, EX2, OFF); } YY_BREAK case 29: YY_RULE_SETUP -#line 174 "program_lexer.l" +#line 213 "program_lexer.l" { return_opcode(require_ARB_fp, SCALAR_OP, EX2, ZERO_ONE); } YY_BREAK case 30: YY_RULE_SETUP -#line 175 "program_lexer.l" +#line 214 "program_lexer.l" { return_opcode(require_ARB_vp, SCALAR_OP, EXP, OFF); } YY_BREAK case 31: YY_RULE_SETUP -#line 177 "program_lexer.l" +#line 216 "program_lexer.l" { return_opcode( 1, VECTOR_OP, FLR, OFF); } YY_BREAK case 32: YY_RULE_SETUP -#line 178 "program_lexer.l" +#line 217 "program_lexer.l" { return_opcode(require_ARB_fp, VECTOR_OP, FLR, ZERO_ONE); } YY_BREAK case 33: YY_RULE_SETUP -#line 179 "program_lexer.l" +#line 218 "program_lexer.l" { return_opcode( 1, VECTOR_OP, FRC, OFF); } YY_BREAK case 34: YY_RULE_SETUP -#line 180 "program_lexer.l" +#line 219 "program_lexer.l" { return_opcode(require_ARB_fp, VECTOR_OP, FRC, ZERO_ONE); } YY_BREAK case 35: YY_RULE_SETUP -#line 182 "program_lexer.l" +#line 221 "program_lexer.l" { return_opcode(require_ARB_fp, KIL, KIL, OFF); } YY_BREAK case 36: YY_RULE_SETUP -#line 184 "program_lexer.l" +#line 223 "program_lexer.l" { return_opcode( 1, VECTOR_OP, LIT, OFF); } YY_BREAK case 37: YY_RULE_SETUP -#line 185 "program_lexer.l" +#line 224 "program_lexer.l" { return_opcode(require_ARB_fp, VECTOR_OP, LIT, ZERO_ONE); } YY_BREAK case 38: YY_RULE_SETUP -#line 186 "program_lexer.l" +#line 225 "program_lexer.l" { return_opcode( 1, SCALAR_OP, LG2, OFF); } YY_BREAK case 39: YY_RULE_SETUP -#line 187 "program_lexer.l" +#line 226 "program_lexer.l" { return_opcode(require_ARB_fp, SCALAR_OP, LG2, ZERO_ONE); } YY_BREAK case 40: YY_RULE_SETUP -#line 188 "program_lexer.l" +#line 227 "program_lexer.l" { return_opcode(require_ARB_vp, SCALAR_OP, LOG, OFF); } YY_BREAK case 41: YY_RULE_SETUP -#line 189 "program_lexer.l" +#line 228 "program_lexer.l" { return_opcode(require_ARB_fp, TRI_OP, LRP, OFF); } YY_BREAK case 42: YY_RULE_SETUP -#line 190 "program_lexer.l" +#line 229 "program_lexer.l" { return_opcode(require_ARB_fp, TRI_OP, LRP, ZERO_ONE); } YY_BREAK case 43: YY_RULE_SETUP -#line 192 "program_lexer.l" +#line 231 "program_lexer.l" { return_opcode( 1, TRI_OP, MAD, OFF); } YY_BREAK case 44: YY_RULE_SETUP -#line 193 "program_lexer.l" +#line 232 "program_lexer.l" { return_opcode(require_ARB_fp, TRI_OP, MAD, ZERO_ONE); } YY_BREAK case 45: YY_RULE_SETUP -#line 194 "program_lexer.l" +#line 233 "program_lexer.l" { return_opcode( 1, BIN_OP, MAX, OFF); } YY_BREAK case 46: YY_RULE_SETUP -#line 195 "program_lexer.l" +#line 234 "program_lexer.l" { return_opcode(require_ARB_fp, BIN_OP, MAX, ZERO_ONE); } YY_BREAK case 47: YY_RULE_SETUP -#line 196 "program_lexer.l" +#line 235 "program_lexer.l" { return_opcode( 1, BIN_OP, MIN, OFF); } YY_BREAK case 48: YY_RULE_SETUP -#line 197 "program_lexer.l" +#line 236 "program_lexer.l" { return_opcode(require_ARB_fp, BIN_OP, MIN, ZERO_ONE); } YY_BREAK case 49: YY_RULE_SETUP -#line 198 "program_lexer.l" +#line 237 "program_lexer.l" { return_opcode( 1, VECTOR_OP, MOV, OFF); } YY_BREAK case 50: YY_RULE_SETUP -#line 199 "program_lexer.l" +#line 238 "program_lexer.l" { return_opcode(require_ARB_fp, VECTOR_OP, MOV, ZERO_ONE); } YY_BREAK case 51: YY_RULE_SETUP -#line 200 "program_lexer.l" +#line 239 "program_lexer.l" { return_opcode( 1, BIN_OP, MUL, OFF); } YY_BREAK case 52: YY_RULE_SETUP -#line 201 "program_lexer.l" +#line 240 "program_lexer.l" { return_opcode(require_ARB_fp, BIN_OP, MUL, ZERO_ONE); } YY_BREAK case 53: YY_RULE_SETUP -#line 203 "program_lexer.l" +#line 242 "program_lexer.l" { return_opcode( 1, BINSC_OP, POW, OFF); } YY_BREAK case 54: YY_RULE_SETUP -#line 204 "program_lexer.l" +#line 243 "program_lexer.l" { return_opcode(require_ARB_fp, BINSC_OP, POW, ZERO_ONE); } YY_BREAK case 55: YY_RULE_SETUP -#line 206 "program_lexer.l" +#line 245 "program_lexer.l" { return_opcode( 1, SCALAR_OP, RCP, OFF); } YY_BREAK case 56: YY_RULE_SETUP -#line 207 "program_lexer.l" +#line 246 "program_lexer.l" { return_opcode(require_ARB_fp, SCALAR_OP, RCP, ZERO_ONE); } YY_BREAK case 57: YY_RULE_SETUP -#line 208 "program_lexer.l" +#line 247 "program_lexer.l" { return_opcode( 1, SCALAR_OP, RSQ, OFF); } YY_BREAK case 58: YY_RULE_SETUP -#line 209 "program_lexer.l" +#line 248 "program_lexer.l" { return_opcode(require_ARB_fp, SCALAR_OP, RSQ, ZERO_ONE); } YY_BREAK case 59: YY_RULE_SETUP -#line 211 "program_lexer.l" +#line 250 "program_lexer.l" { return_opcode(require_ARB_fp, SCALAR_OP, SCS, OFF); } YY_BREAK case 60: YY_RULE_SETUP -#line 212 "program_lexer.l" +#line 251 "program_lexer.l" { return_opcode(require_ARB_fp, SCALAR_OP, SCS, ZERO_ONE); } YY_BREAK case 61: YY_RULE_SETUP -#line 213 "program_lexer.l" +#line 252 "program_lexer.l" { return_opcode( 1, BIN_OP, SGE, OFF); } YY_BREAK case 62: YY_RULE_SETUP -#line 214 "program_lexer.l" +#line 253 "program_lexer.l" { return_opcode(require_ARB_fp, BIN_OP, SGE, ZERO_ONE); } YY_BREAK case 63: YY_RULE_SETUP -#line 215 "program_lexer.l" +#line 254 "program_lexer.l" { return_opcode(require_ARB_fp, SCALAR_OP, SIN, OFF); } YY_BREAK case 64: YY_RULE_SETUP -#line 216 "program_lexer.l" +#line 255 "program_lexer.l" { return_opcode(require_ARB_fp, SCALAR_OP, SIN, ZERO_ONE); } YY_BREAK case 65: YY_RULE_SETUP -#line 217 "program_lexer.l" +#line 256 "program_lexer.l" { return_opcode( 1, BIN_OP, SLT, OFF); } YY_BREAK case 66: YY_RULE_SETUP -#line 218 "program_lexer.l" +#line 257 "program_lexer.l" { return_opcode(require_ARB_fp, BIN_OP, SLT, ZERO_ONE); } YY_BREAK case 67: YY_RULE_SETUP -#line 219 "program_lexer.l" +#line 258 "program_lexer.l" { return_opcode( 1, BIN_OP, SUB, OFF); } YY_BREAK case 68: YY_RULE_SETUP -#line 220 "program_lexer.l" +#line 259 "program_lexer.l" { return_opcode(require_ARB_fp, BIN_OP, SUB, ZERO_ONE); } YY_BREAK case 69: YY_RULE_SETUP -#line 221 "program_lexer.l" +#line 260 "program_lexer.l" { return_opcode( 1, SWZ, SWZ, OFF); } YY_BREAK case 70: YY_RULE_SETUP -#line 222 "program_lexer.l" +#line 261 "program_lexer.l" { return_opcode(require_ARB_fp, SWZ, SWZ, ZERO_ONE); } YY_BREAK case 71: YY_RULE_SETUP -#line 224 "program_lexer.l" +#line 263 "program_lexer.l" { return_opcode(require_ARB_fp, SAMPLE_OP, TEX, OFF); } YY_BREAK case 72: YY_RULE_SETUP -#line 225 "program_lexer.l" +#line 264 "program_lexer.l" { return_opcode(require_ARB_fp, SAMPLE_OP, TEX, ZERO_ONE); } YY_BREAK case 73: YY_RULE_SETUP -#line 226 "program_lexer.l" +#line 265 "program_lexer.l" { return_opcode(require_ARB_fp, SAMPLE_OP, TXB, OFF); } YY_BREAK case 74: YY_RULE_SETUP -#line 227 "program_lexer.l" +#line 266 "program_lexer.l" { return_opcode(require_ARB_fp, SAMPLE_OP, TXB, ZERO_ONE); } YY_BREAK case 75: YY_RULE_SETUP -#line 228 "program_lexer.l" +#line 267 "program_lexer.l" { return_opcode(require_ARB_fp, SAMPLE_OP, TXP, OFF); } YY_BREAK case 76: YY_RULE_SETUP -#line 229 "program_lexer.l" +#line 268 "program_lexer.l" { return_opcode(require_ARB_fp, SAMPLE_OP, TXP, ZERO_ONE); } YY_BREAK case 77: YY_RULE_SETUP -#line 231 "program_lexer.l" +#line 270 "program_lexer.l" { return_opcode( 1, BIN_OP, XPD, OFF); } YY_BREAK case 78: YY_RULE_SETUP -#line 232 "program_lexer.l" +#line 271 "program_lexer.l" { return_opcode(require_ARB_fp, BIN_OP, XPD, ZERO_ONE); } YY_BREAK case 79: YY_RULE_SETUP -#line 234 "program_lexer.l" +#line 273 "program_lexer.l" { return_token_or_IDENTIFIER(require_ARB_vp, VERTEX); } YY_BREAK case 80: YY_RULE_SETUP -#line 235 "program_lexer.l" +#line 274 "program_lexer.l" { return_token_or_IDENTIFIER(require_ARB_fp, FRAGMENT); } YY_BREAK case 81: YY_RULE_SETUP -#line 236 "program_lexer.l" +#line 275 "program_lexer.l" { return PROGRAM; } YY_BREAK case 82: YY_RULE_SETUP -#line 237 "program_lexer.l" +#line 276 "program_lexer.l" { return STATE; } YY_BREAK case 83: YY_RULE_SETUP -#line 238 "program_lexer.l" +#line 277 "program_lexer.l" { return RESULT; } YY_BREAK case 84: YY_RULE_SETUP -#line 240 "program_lexer.l" +#line 279 "program_lexer.l" { return AMBIENT; } YY_BREAK case 85: YY_RULE_SETUP -#line 241 "program_lexer.l" +#line 280 "program_lexer.l" { return ATTENUATION; } YY_BREAK case 86: YY_RULE_SETUP -#line 242 "program_lexer.l" +#line 281 "program_lexer.l" { return BACK; } YY_BREAK case 87: YY_RULE_SETUP -#line 243 "program_lexer.l" +#line 282 "program_lexer.l" { return_token_or_DOT(require_ARB_vp, CLIP); } YY_BREAK case 88: YY_RULE_SETUP -#line 244 "program_lexer.l" +#line 283 "program_lexer.l" { return COLOR; } YY_BREAK case 89: YY_RULE_SETUP -#line 245 "program_lexer.l" +#line 284 "program_lexer.l" { return_token_or_DOT(require_ARB_fp, DEPTH); } YY_BREAK case 90: YY_RULE_SETUP -#line 246 "program_lexer.l" +#line 285 "program_lexer.l" { return DIFFUSE; } YY_BREAK case 91: YY_RULE_SETUP -#line 247 "program_lexer.l" +#line 286 "program_lexer.l" { return DIRECTION; } YY_BREAK case 92: YY_RULE_SETUP -#line 248 "program_lexer.l" +#line 287 "program_lexer.l" { return EMISSION; } YY_BREAK case 93: YY_RULE_SETUP -#line 249 "program_lexer.l" +#line 288 "program_lexer.l" { return ENV; } YY_BREAK case 94: YY_RULE_SETUP -#line 250 "program_lexer.l" +#line 289 "program_lexer.l" { return EYE; } YY_BREAK case 95: YY_RULE_SETUP -#line 251 "program_lexer.l" +#line 290 "program_lexer.l" { return FOGCOORD; } YY_BREAK case 96: YY_RULE_SETUP -#line 252 "program_lexer.l" +#line 291 "program_lexer.l" { return FOG; } YY_BREAK case 97: YY_RULE_SETUP -#line 253 "program_lexer.l" +#line 292 "program_lexer.l" { return FRONT; } YY_BREAK case 98: YY_RULE_SETUP -#line 254 "program_lexer.l" +#line 293 "program_lexer.l" { return HALF; } YY_BREAK case 99: YY_RULE_SETUP -#line 255 "program_lexer.l" +#line 294 "program_lexer.l" { return INVERSE; } YY_BREAK case 100: YY_RULE_SETUP -#line 256 "program_lexer.l" +#line 295 "program_lexer.l" { return INVTRANS; } YY_BREAK case 101: YY_RULE_SETUP -#line 257 "program_lexer.l" +#line 296 "program_lexer.l" { return LIGHT; } YY_BREAK case 102: YY_RULE_SETUP -#line 258 "program_lexer.l" +#line 297 "program_lexer.l" { return LIGHTMODEL; } YY_BREAK case 103: YY_RULE_SETUP -#line 259 "program_lexer.l" +#line 298 "program_lexer.l" { return LIGHTPROD; } YY_BREAK case 104: YY_RULE_SETUP -#line 260 "program_lexer.l" +#line 299 "program_lexer.l" { return LOCAL; } YY_BREAK case 105: YY_RULE_SETUP -#line 261 "program_lexer.l" +#line 300 "program_lexer.l" { return MATERIAL; } YY_BREAK case 106: YY_RULE_SETUP -#line 262 "program_lexer.l" +#line 301 "program_lexer.l" { return MAT_PROGRAM; } YY_BREAK case 107: YY_RULE_SETUP -#line 263 "program_lexer.l" +#line 302 "program_lexer.l" { return MATRIX; } YY_BREAK case 108: YY_RULE_SETUP -#line 264 "program_lexer.l" +#line 303 "program_lexer.l" { return_token_or_DOT(require_ARB_vp, MATRIXINDEX); } YY_BREAK case 109: YY_RULE_SETUP -#line 265 "program_lexer.l" +#line 304 "program_lexer.l" { return MODELVIEW; } YY_BREAK case 110: YY_RULE_SETUP -#line 266 "program_lexer.l" +#line 305 "program_lexer.l" { return MVP; } YY_BREAK case 111: YY_RULE_SETUP -#line 267 "program_lexer.l" +#line 306 "program_lexer.l" { return_token_or_DOT(require_ARB_vp, NORMAL); } YY_BREAK case 112: YY_RULE_SETUP -#line 268 "program_lexer.l" +#line 307 "program_lexer.l" { return OBJECT; } YY_BREAK case 113: YY_RULE_SETUP -#line 269 "program_lexer.l" +#line 308 "program_lexer.l" { return PALETTE; } YY_BREAK case 114: YY_RULE_SETUP -#line 270 "program_lexer.l" +#line 309 "program_lexer.l" { return PARAMS; } YY_BREAK case 115: YY_RULE_SETUP -#line 271 "program_lexer.l" +#line 310 "program_lexer.l" { return PLANE; } YY_BREAK case 116: YY_RULE_SETUP -#line 272 "program_lexer.l" +#line 311 "program_lexer.l" { return_token_or_DOT(require_ARB_vp, POINT_TOK); } YY_BREAK case 117: YY_RULE_SETUP -#line 273 "program_lexer.l" +#line 312 "program_lexer.l" { return_token_or_DOT(require_ARB_vp, POINTSIZE); } YY_BREAK case 118: YY_RULE_SETUP -#line 274 "program_lexer.l" +#line 313 "program_lexer.l" { return POSITION; } YY_BREAK case 119: YY_RULE_SETUP -#line 275 "program_lexer.l" +#line 314 "program_lexer.l" { return PRIMARY; } YY_BREAK case 120: YY_RULE_SETUP -#line 276 "program_lexer.l" +#line 315 "program_lexer.l" { return PROJECTION; } YY_BREAK case 121: YY_RULE_SETUP -#line 277 "program_lexer.l" +#line 316 "program_lexer.l" { return_token_or_DOT(require_ARB_fp, RANGE); } YY_BREAK case 122: YY_RULE_SETUP -#line 278 "program_lexer.l" +#line 317 "program_lexer.l" { return ROW; } YY_BREAK case 123: YY_RULE_SETUP -#line 279 "program_lexer.l" +#line 318 "program_lexer.l" { return SCENECOLOR; } YY_BREAK case 124: YY_RULE_SETUP -#line 280 "program_lexer.l" +#line 319 "program_lexer.l" { return SECONDARY; } YY_BREAK case 125: YY_RULE_SETUP -#line 281 "program_lexer.l" +#line 320 "program_lexer.l" { return SHININESS; } YY_BREAK case 126: YY_RULE_SETUP -#line 282 "program_lexer.l" +#line 321 "program_lexer.l" { return_token_or_DOT(require_ARB_vp, SIZE_TOK); } YY_BREAK case 127: YY_RULE_SETUP -#line 283 "program_lexer.l" +#line 322 "program_lexer.l" { return SPECULAR; } YY_BREAK case 128: YY_RULE_SETUP -#line 284 "program_lexer.l" +#line 323 "program_lexer.l" { return SPOT; } YY_BREAK case 129: YY_RULE_SETUP -#line 285 "program_lexer.l" +#line 324 "program_lexer.l" { return TEXCOORD; } YY_BREAK case 130: YY_RULE_SETUP -#line 286 "program_lexer.l" +#line 325 "program_lexer.l" { return_token_or_DOT(require_ARB_fp, TEXENV); } YY_BREAK case 131: YY_RULE_SETUP -#line 287 "program_lexer.l" +#line 326 "program_lexer.l" { return_token_or_DOT(require_ARB_vp, TEXGEN); } YY_BREAK case 132: YY_RULE_SETUP -#line 288 "program_lexer.l" +#line 327 "program_lexer.l" { return_token_or_DOT(require_ARB_vp, TEXGEN_Q); } YY_BREAK case 133: YY_RULE_SETUP -#line 289 "program_lexer.l" +#line 328 "program_lexer.l" { return_token_or_DOT(require_ARB_vp, TEXGEN_S); } YY_BREAK case 134: YY_RULE_SETUP -#line 290 "program_lexer.l" +#line 329 "program_lexer.l" { return_token_or_DOT(require_ARB_vp, TEXGEN_T); } YY_BREAK case 135: YY_RULE_SETUP -#line 291 "program_lexer.l" +#line 330 "program_lexer.l" { return TEXTURE; } YY_BREAK case 136: YY_RULE_SETUP -#line 292 "program_lexer.l" +#line 331 "program_lexer.l" { return TRANSPOSE; } YY_BREAK case 137: YY_RULE_SETUP -#line 293 "program_lexer.l" +#line 332 "program_lexer.l" { return_token_or_DOT(require_ARB_vp, VTXATTRIB); } YY_BREAK case 138: YY_RULE_SETUP -#line 294 "program_lexer.l" +#line 333 "program_lexer.l" { return_token_or_DOT(require_ARB_vp, WEIGHT); } YY_BREAK case 139: YY_RULE_SETUP -#line 296 "program_lexer.l" +#line 335 "program_lexer.l" { return_token_or_IDENTIFIER(require_ARB_fp, TEXTURE_UNIT); } YY_BREAK case 140: YY_RULE_SETUP -#line 297 "program_lexer.l" +#line 336 "program_lexer.l" { return_token_or_IDENTIFIER(require_ARB_fp, TEX_1D); } YY_BREAK case 141: YY_RULE_SETUP -#line 298 "program_lexer.l" +#line 337 "program_lexer.l" { return_token_or_IDENTIFIER(require_ARB_fp, TEX_2D); } YY_BREAK case 142: YY_RULE_SETUP -#line 299 "program_lexer.l" +#line 338 "program_lexer.l" { return_token_or_IDENTIFIER(require_ARB_fp, TEX_3D); } YY_BREAK case 143: YY_RULE_SETUP -#line 300 "program_lexer.l" +#line 339 "program_lexer.l" { return_token_or_IDENTIFIER(require_ARB_fp, TEX_CUBE); } YY_BREAK case 144: YY_RULE_SETUP -#line 301 "program_lexer.l" +#line 340 "program_lexer.l" { return_token_or_IDENTIFIER(require_ARB_fp && require_rect, TEX_RECT); } YY_BREAK case 145: YY_RULE_SETUP -#line 302 "program_lexer.l" +#line 341 "program_lexer.l" { return_token_or_IDENTIFIER(require_ARB_fp && require_shadow, TEX_SHADOW1D); } YY_BREAK case 146: YY_RULE_SETUP -#line 303 "program_lexer.l" +#line 342 "program_lexer.l" { return_token_or_IDENTIFIER(require_ARB_fp && require_shadow, TEX_SHADOW2D); } YY_BREAK case 147: YY_RULE_SETUP -#line 304 "program_lexer.l" +#line 343 "program_lexer.l" { return_token_or_IDENTIFIER(require_ARB_fp && require_shadow && require_rect, TEX_SHADOWRECT); } YY_BREAK case 148: YY_RULE_SETUP -#line 305 "program_lexer.l" +#line 344 "program_lexer.l" { return_token_or_IDENTIFIER(require_ARB_fp && require_texarray, TEX_ARRAY1D); } YY_BREAK case 149: YY_RULE_SETUP -#line 306 "program_lexer.l" +#line 345 "program_lexer.l" { return_token_or_IDENTIFIER(require_ARB_fp && require_texarray, TEX_ARRAY2D); } YY_BREAK case 150: YY_RULE_SETUP -#line 307 "program_lexer.l" +#line 346 "program_lexer.l" { return_token_or_IDENTIFIER(require_ARB_fp && require_shadow && require_texarray, TEX_ARRAYSHADOW1D); } YY_BREAK case 151: YY_RULE_SETUP -#line 308 "program_lexer.l" +#line 347 "program_lexer.l" { return_token_or_IDENTIFIER(require_ARB_fp && require_shadow && require_texarray, TEX_ARRAYSHADOW2D); } YY_BREAK case 152: YY_RULE_SETUP -#line 310 "program_lexer.l" +#line 349 "program_lexer.l" { - yylval->string = strdup(yytext); + yylval->string = return_string(yyextra, yytext); return IDENTIFIER; } YY_BREAK case 153: YY_RULE_SETUP -#line 315 "program_lexer.l" +#line 354 "program_lexer.l" { return DOT_DOT; } YY_BREAK case 154: YY_RULE_SETUP -#line 317 "program_lexer.l" +#line 356 "program_lexer.l" { yylval->integer = strtol(yytext, NULL, 10); return INTEGER; @@ -2116,7 +2169,7 @@ YY_RULE_SETUP YY_BREAK case 155: YY_RULE_SETUP -#line 321 "program_lexer.l" +#line 360 "program_lexer.l" { yylval->real = _mesa_strtod(yytext, NULL); return REAL; @@ -2128,7 +2181,7 @@ case 156: yyg->yy_c_buf_p = yy_cp -= 1; YY_DO_BEFORE_ACTION; /* set up yytext again */ YY_RULE_SETUP -#line 325 "program_lexer.l" +#line 364 "program_lexer.l" { yylval->real = _mesa_strtod(yytext, NULL); return REAL; @@ -2136,7 +2189,7 @@ YY_RULE_SETUP YY_BREAK case 157: YY_RULE_SETUP -#line 329 "program_lexer.l" +#line 368 "program_lexer.l" { yylval->real = _mesa_strtod(yytext, NULL); return REAL; @@ -2144,7 +2197,7 @@ YY_RULE_SETUP YY_BREAK case 158: YY_RULE_SETUP -#line 333 "program_lexer.l" +#line 372 "program_lexer.l" { yylval->real = _mesa_strtod(yytext, NULL); return REAL; @@ -2152,7 +2205,7 @@ YY_RULE_SETUP YY_BREAK case 159: YY_RULE_SETUP -#line 338 "program_lexer.l" +#line 377 "program_lexer.l" { yylval->swiz_mask.swizzle = SWIZZLE_NOOP; yylval->swiz_mask.mask = WRITEMASK_XYZW; @@ -2161,7 +2214,7 @@ YY_RULE_SETUP YY_BREAK case 160: YY_RULE_SETUP -#line 344 "program_lexer.l" +#line 383 "program_lexer.l" { yylval->swiz_mask.swizzle = SWIZZLE_INVAL; yylval->swiz_mask.mask = WRITEMASK_XY @@ -2171,7 +2224,7 @@ YY_RULE_SETUP YY_BREAK case 161: YY_RULE_SETUP -#line 350 "program_lexer.l" +#line 389 "program_lexer.l" { yylval->swiz_mask.swizzle = SWIZZLE_INVAL; yylval->swiz_mask.mask = WRITEMASK_XZW; @@ -2180,7 +2233,7 @@ YY_RULE_SETUP YY_BREAK case 162: YY_RULE_SETUP -#line 355 "program_lexer.l" +#line 394 "program_lexer.l" { yylval->swiz_mask.swizzle = SWIZZLE_INVAL; yylval->swiz_mask.mask = WRITEMASK_YZW; @@ -2189,7 +2242,7 @@ YY_RULE_SETUP YY_BREAK case 163: YY_RULE_SETUP -#line 361 "program_lexer.l" +#line 400 "program_lexer.l" { yylval->swiz_mask.swizzle = SWIZZLE_INVAL; yylval->swiz_mask.mask = WRITEMASK_X @@ -2199,7 +2252,7 @@ YY_RULE_SETUP YY_BREAK case 164: YY_RULE_SETUP -#line 367 "program_lexer.l" +#line 406 "program_lexer.l" { yylval->swiz_mask.swizzle = SWIZZLE_INVAL; yylval->swiz_mask.mask = WRITEMASK_Y @@ -2209,7 +2262,7 @@ YY_RULE_SETUP YY_BREAK case 165: YY_RULE_SETUP -#line 373 "program_lexer.l" +#line 412 "program_lexer.l" { yylval->swiz_mask.swizzle = SWIZZLE_INVAL; yylval->swiz_mask.mask = WRITEMASK_ZW; @@ -2218,7 +2271,7 @@ YY_RULE_SETUP YY_BREAK case 166: YY_RULE_SETUP -#line 379 "program_lexer.l" +#line 418 "program_lexer.l" { const unsigned s = swiz_from_char(yytext[1]); yylval->swiz_mask.swizzle = MAKE_SWIZZLE4(s, s, s, s); @@ -2228,7 +2281,7 @@ YY_RULE_SETUP YY_BREAK case 167: YY_RULE_SETUP -#line 386 "program_lexer.l" +#line 425 "program_lexer.l" { yylval->swiz_mask.swizzle = MAKE_SWIZZLE4(swiz_from_char(yytext[1]), swiz_from_char(yytext[2]), @@ -2240,7 +2293,7 @@ YY_RULE_SETUP YY_BREAK case 168: YY_RULE_SETUP -#line 395 "program_lexer.l" +#line 434 "program_lexer.l" { yylval->swiz_mask.swizzle = SWIZZLE_NOOP; yylval->swiz_mask.mask = WRITEMASK_XYZW; @@ -2249,7 +2302,7 @@ YY_RULE_SETUP YY_BREAK case 169: YY_RULE_SETUP -#line 401 "program_lexer.l" +#line 440 "program_lexer.l" { yylval->swiz_mask.swizzle = SWIZZLE_INVAL; yylval->swiz_mask.mask = WRITEMASK_XY @@ -2259,7 +2312,7 @@ YY_RULE_SETUP YY_BREAK case 170: YY_RULE_SETUP -#line 407 "program_lexer.l" +#line 446 "program_lexer.l" { yylval->swiz_mask.swizzle = SWIZZLE_INVAL; yylval->swiz_mask.mask = WRITEMASK_XZW; @@ -2268,7 +2321,7 @@ YY_RULE_SETUP YY_BREAK case 171: YY_RULE_SETUP -#line 412 "program_lexer.l" +#line 451 "program_lexer.l" { yylval->swiz_mask.swizzle = SWIZZLE_INVAL; yylval->swiz_mask.mask = WRITEMASK_YZW; @@ -2277,7 +2330,7 @@ YY_RULE_SETUP YY_BREAK case 172: YY_RULE_SETUP -#line 418 "program_lexer.l" +#line 457 "program_lexer.l" { yylval->swiz_mask.swizzle = SWIZZLE_INVAL; yylval->swiz_mask.mask = WRITEMASK_X @@ -2287,7 +2340,7 @@ YY_RULE_SETUP YY_BREAK case 173: YY_RULE_SETUP -#line 424 "program_lexer.l" +#line 463 "program_lexer.l" { yylval->swiz_mask.swizzle = SWIZZLE_INVAL; yylval->swiz_mask.mask = WRITEMASK_Y @@ -2297,7 +2350,7 @@ YY_RULE_SETUP YY_BREAK case 174: YY_RULE_SETUP -#line 430 "program_lexer.l" +#line 469 "program_lexer.l" { yylval->swiz_mask.swizzle = SWIZZLE_INVAL; yylval->swiz_mask.mask = WRITEMASK_ZW; @@ -2306,7 +2359,7 @@ YY_RULE_SETUP YY_BREAK case 175: YY_RULE_SETUP -#line 436 "program_lexer.l" +#line 475 "program_lexer.l" { const unsigned s = swiz_from_char(yytext[1]); yylval->swiz_mask.swizzle = MAKE_SWIZZLE4(s, s, s, s); @@ -2316,7 +2369,7 @@ YY_RULE_SETUP YY_BREAK case 176: YY_RULE_SETUP -#line 444 "program_lexer.l" +#line 483 "program_lexer.l" { if (require_ARB_vp) { return TEXGEN_R; @@ -2330,7 +2383,7 @@ YY_RULE_SETUP YY_BREAK case 177: YY_RULE_SETUP -#line 455 "program_lexer.l" +#line 494 "program_lexer.l" { yylval->swiz_mask.swizzle = MAKE_SWIZZLE4(swiz_from_char(yytext[1]), swiz_from_char(yytext[2]), @@ -2342,13 +2395,13 @@ YY_RULE_SETUP YY_BREAK case 178: YY_RULE_SETUP -#line 464 "program_lexer.l" +#line 503 "program_lexer.l" { return DOT; } YY_BREAK case 179: /* rule 179 can match eol */ YY_RULE_SETUP -#line 466 "program_lexer.l" +#line 505 "program_lexer.l" { yylloc->first_line++; yylloc->first_column = 1; @@ -2359,7 +2412,7 @@ YY_RULE_SETUP YY_BREAK case 180: YY_RULE_SETUP -#line 473 "program_lexer.l" +#line 512 "program_lexer.l" /* eat whitespace */ ; YY_BREAK case 181: @@ -2367,20 +2420,20 @@ case 181: yyg->yy_c_buf_p = yy_cp -= 1; YY_DO_BEFORE_ACTION; /* set up yytext again */ YY_RULE_SETUP -#line 474 "program_lexer.l" +#line 513 "program_lexer.l" /* eat comments */ ; YY_BREAK case 182: YY_RULE_SETUP -#line 475 "program_lexer.l" +#line 514 "program_lexer.l" { return yytext[0]; } YY_BREAK case 183: YY_RULE_SETUP -#line 476 "program_lexer.l" +#line 515 "program_lexer.l" ECHO; YY_BREAK -#line 2384 "lex.yy.c" +#line 2437 "lex.yy.c" case YY_STATE_EOF(INITIAL): yyterminate(); @@ -3148,8 +3201,8 @@ YY_BUFFER_STATE yy_scan_string (yyconst char * yystr , yyscan_t yyscanner) /** Setup the input buffer state to scan the given bytes. The next call to yylex() will * scan from a @e copy of @a bytes. - * @param bytes the byte buffer to scan - * @param len the number of bytes in the buffer pointed to by @a bytes. + * @param yybytes the byte buffer to scan + * @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes. * @param yyscanner The scanner object. * @return the newly allocated buffer state object. */ @@ -3555,7 +3608,7 @@ void yyfree (void * ptr , yyscan_t yyscanner) #define YYTABLES_NAME "yytables" -#line 476 "program_lexer.l" +#line 515 "program_lexer.l" diff --git a/src/mesa/shader/program_lexer.l b/src/mesa/shader/program_lexer.l index c2803ff7074..6c4fad30372 100644 --- a/src/mesa/shader/program_lexer.l +++ b/src/mesa/shader/program_lexer.l @@ -40,7 +40,7 @@ if (condition) { \ return token; \ } else { \ - yylval->string = strdup(yytext); \ + yylval->string = return_string(yyextra, yytext); \ return IDENTIFIER; \ } \ } while (0) @@ -63,7 +63,7 @@ yylval->temp_inst.SaturateMode = SATURATE_ ## sat; \ return token; \ } else { \ - yylval->string = strdup(yytext); \ + yylval->string = return_string(yyextra, yytext); \ return IDENTIFIER; \ } \ } while (0) @@ -71,6 +71,45 @@ #define SWIZZLE_INVAL MAKE_SWIZZLE4(SWIZZLE_NIL, SWIZZLE_NIL, \ SWIZZLE_NIL, SWIZZLE_NIL) +/** + * Send a string to the parser using asm_parser_state::string_dumpster + * + * Sends a string to the parser using asm_parser_state::string_dumpster as a + * temporary storage buffer. Data previously stored in + * asm_parser_state::string_dumpster will be lost. If + * asm_parser_state::string_dumpster is not large enough to hold the new + * string, the buffer size will be increased. The buffer size is \b never + * decreased. + * + * \param state Assembler parser state tracking + * \param str String to be passed to the parser + * + * \return + * A pointer to asm_parser_state::string_dumpster on success or \c NULL on + * failure. Currently the only failure case is \c ENOMEM. + */ +static char * +return_string(struct asm_parser_state *state, const char *str) +{ + const size_t len = strlen(str); + + if (len >= state->dumpster_size) { + char *const dumpster = _mesa_realloc(state->string_dumpster, + state->dumpster_size, + len + 1); + if (dumpster == NULL) { + return NULL; + } + + state->string_dumpster = dumpster; + state->dumpster_size = len + 1; + } + + memcpy(state->string_dumpster, str, len + 1); + return state->string_dumpster; +} + + static unsigned mask_from_char(char c) { @@ -308,7 +347,7 @@ ARRAYSHADOW1D { return_token_or_IDENTIFIER(require_ARB_fp && require ARRAYSHADOW2D { return_token_or_IDENTIFIER(require_ARB_fp && require_shadow && require_texarray, TEX_ARRAYSHADOW2D); } [_a-zA-Z$][_a-zA-Z0-9$]* { - yylval->string = strdup(yytext); + yylval->string = return_string(yyextra, yytext); return IDENTIFIER; } diff --git a/src/mesa/shader/program_parse.tab.c b/src/mesa/shader/program_parse.tab.c index c255e912ed2..261b605a2d2 100644 --- a/src/mesa/shader/program_parse.tab.c +++ b/src/mesa/shader/program_parse.tab.c @@ -4565,7 +4565,7 @@ yyreduce: "undefined variable binding in ALIAS statement"); YYERROR; } else { - _mesa_symbol_table_add_symbol(state->st, 0, (yyvsp[(2) - (4)].string), target); + _mesa_symbol_table_add_symbol(state->st, 0, strdup((yyvsp[(2) - (4)].string)), target); } ;} break; @@ -4896,10 +4896,14 @@ declare_variable(struct asm_parser_state *state, char *name, enum asm_type t, if (exist != NULL) { yyerror(locp, state, "redeclared identifier"); } else { - s = calloc(1, sizeof(struct asm_symbol)); - s->name = name; + const size_t name_len = strlen(name); + + s = calloc(1, sizeof(struct asm_symbol) + name_len + 1); + s->name = (char *)(s + 1); s->type = t; + memcpy((char *) s->name, name, name_len + 1); + switch (t) { case at_temp: if (state->prog->NumTemporaries >= state->limits->MaxTemps) { @@ -5147,6 +5151,11 @@ _mesa_parse_arb_program(GLcontext *ctx, GLenum target, const GLubyte *str, _mesa_memcpy (strz, str, len); strz[len] = '\0'; + if (state->prog->String != NULL) { + _mesa_free(state->prog->String); + state->prog->String = NULL; + } + state->prog->String = strz; state->st = _mesa_symbol_table_ctor(); @@ -5236,7 +5245,6 @@ error: for (sym = state->sym; sym != NULL; sym = temp) { temp = sym->next; - _mesa_free((void *) sym->name); _mesa_free(sym); } state->sym = NULL; @@ -5244,6 +5252,11 @@ error: _mesa_symbol_table_dtor(state->st); state->st = NULL; + if (state->string_dumpster != NULL) { + _mesa_free(state->string_dumpster); + state->dumpster_size = 0; + } + return result; } diff --git a/src/mesa/shader/program_parse.y b/src/mesa/shader/program_parse.y index c3152aa2f88..a23625d3fb5 100644 --- a/src/mesa/shader/program_parse.y +++ b/src/mesa/shader/program_parse.y @@ -1919,7 +1919,7 @@ ALIAS_statement: ALIAS IDENTIFIER '=' IDENTIFIER "undefined variable binding in ALIAS statement"); YYERROR; } else { - _mesa_symbol_table_add_symbol(state->st, 0, $2, target); + _mesa_symbol_table_add_symbol(state->st, 0, strdup($2), target); } } ; @@ -2027,10 +2027,14 @@ declare_variable(struct asm_parser_state *state, char *name, enum asm_type t, if (exist != NULL) { yyerror(locp, state, "redeclared identifier"); } else { - s = calloc(1, sizeof(struct asm_symbol)); - s->name = name; + const size_t name_len = strlen(name); + + s = calloc(1, sizeof(struct asm_symbol) + name_len + 1); + s->name = (char *)(s + 1); s->type = t; + memcpy((char *) s->name, name, name_len + 1); + switch (t) { case at_temp: if (state->prog->NumTemporaries >= state->limits->MaxTemps) { @@ -2280,6 +2284,7 @@ _mesa_parse_arb_program(GLcontext *ctx, GLenum target, const GLubyte *str, if (state->prog->String != NULL) { _mesa_free(state->prog->String); + state->prog->String = NULL; } state->prog->String = strz; @@ -2371,7 +2376,6 @@ error: for (sym = state->sym; sym != NULL; sym = temp) { temp = sym->next; - _mesa_free((void *) sym->name); _mesa_free(sym); } state->sym = NULL; @@ -2379,5 +2383,10 @@ error: _mesa_symbol_table_dtor(state->st); state->st = NULL; + if (state->string_dumpster != NULL) { + _mesa_free(state->string_dumpster); + state->dumpster_size = 0; + } + return result; } diff --git a/src/mesa/shader/program_parser.h b/src/mesa/shader/program_parser.h index fa47d84565a..8d8b4d89bc4 100644 --- a/src/mesa/shader/program_parser.h +++ b/src/mesa/shader/program_parser.h @@ -38,6 +38,13 @@ enum asm_type { at_output, }; +/** + * \note + * Objects of this type are allocated as the object plus the name of the + * symbol. That is, malloc(sizeof(struct asm_symbol) + strlen(name) + 1). + * Alternately, asm_symbol::name could be moved to the bottom of the structure + * and declared as 'char name[0];'. + */ struct asm_symbol { struct asm_symbol *next; /**< List linkage for freeing. */ const char *name; @@ -158,6 +165,15 @@ struct asm_parser_state { /** + * Buffer to hold strings transfered from the lexer to the parser + */ + /*@{*/ + char *string_dumpster; /**< String data transfered. */ + size_t dumpster_size; /**< Total size, in bytes, of the buffer. */ + /*@}*/ + + + /** * Selected limits copied from gl_constants * * These are limits from the GL context, but various bits in the program |