1 /* original parser id follows */ 2 /* yysccsid[] = "@(#)yaccpar 1.9 (Berkeley) 02/21/93" */ 3 /* (use YYMAJOR/YYMINOR for ifdefs dependent on parser version) */ 4 5 #define YYBYACC 1 6 #define YYMAJOR 1 7 #define YYMINOR 9 8 #define YYCHECK "yyyymmdd" 9 10 #define YYEMPTY (-1) 11 #define yyclearin (yychar = YYEMPTY) 12 #define yyerrok (yyerrflag = 0) 13 #define YYRECOVERING() (yyerrflag != 0) 14 #define YYENOMEM (-2) 15 #define YYEOF 0 16 #undef YYBTYACC 17 #define YYBTYACC 0 18 #define YYDEBUGSTR YYPREFIX "debug" 19 #line 20 "rename_debug.c" 20 #include "rename_debug.i" 21 #include "rename_debug.h" 22 typedef int YYINT; 23 static const YYINT yylhs[] = { -1, 24 0, 25 }; 26 static const YYINT yylen[] = { 2, 27 1, 28 }; 29 static const YYINT yydefred[] = { 0, 30 1, 0, 31 }; 32 #if defined(YYDESTRUCT_CALL) || defined(YYSTYPE_TOSTRING) 33 static const YYINT yystos[] = { 0, 34 256, 258, 35 }; 36 #endif /* YYDESTRUCT_CALL || YYSTYPE_TOSTRING */ 37 static const YYINT yydgoto[] = { 2, 38 }; 39 static const YYINT yysindex[] = { -256, 40 0, 0, 41 }; 42 static const YYINT yyrindex[] = { 0, 43 0, 0, 44 }; 45 #if YYBTYACC 46 static const YYINT yycindex[] = { 0, 47 0, 0, 48 }; 49 #endif 50 static const YYINT yygindex[] = { 0, 51 }; 52 #define YYTABLESIZE 0 53 static const YYINT yytable[] = { 1, 54 }; 55 static const YYINT yycheck[] = { 256, 56 }; 57 #if YYBTYACC 58 static const YYINT yyctable[] = { -1, 59 }; 60 #endif 61 #define YYFINAL 2 62 #ifndef YYDEBUG 63 #define YYDEBUG 1 64 #endif 65 #define YYMAXTOKEN 256 66 #define YYUNDFTOKEN 259 67 #define YYTRANSLATE(a) ((a) > YYMAXTOKEN ? YYUNDFTOKEN : (a)) 68 #if YYDEBUG 69 static const char *const yyname[] = { 70 71 "$end",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 72 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 73 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 74 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 75 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 76 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 77 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"error","$accept","S","illegal-symbol", 78 }; 79 static const char *const yyrule[] = { 80 "$accept : S", 81 "S : error", 82 83 }; 84 #endif 85 86 #if YYDEBUG 87 int yydebug; 88 #endif 89 90 int yyerrflag; 91 int yychar; 92 YYSTYPE yyval; 93 YYSTYPE yylval; 94 int yynerrs; 95 96 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 97 YYLTYPE yyloc; /* position returned by actions */ 98 YYLTYPE yylloc; /* position from the lexer */ 99 #endif 100 101 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 102 #ifndef YYLLOC_DEFAULT 103 #define YYLLOC_DEFAULT(loc, rhs, n) \ 104 do \ 105 { \ 106 if (n == 0) \ 107 { \ 108 (loc).first_line = YYRHSLOC(rhs, 0).last_line; \ 109 (loc).first_column = YYRHSLOC(rhs, 0).last_column; \ 110 (loc).last_line = YYRHSLOC(rhs, 0).last_line; \ 111 (loc).last_column = YYRHSLOC(rhs, 0).last_column; \ 112 } \ 113 else \ 114 { \ 115 (loc).first_line = YYRHSLOC(rhs, 1).first_line; \ 116 (loc).first_column = YYRHSLOC(rhs, 1).first_column; \ 117 (loc).last_line = YYRHSLOC(rhs, n).last_line; \ 118 (loc).last_column = YYRHSLOC(rhs, n).last_column; \ 119 } \ 120 } while (0) 121 #endif /* YYLLOC_DEFAULT */ 122 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */ 123 #if YYBTYACC 124 125 #ifndef YYLVQUEUEGROWTH 126 #define YYLVQUEUEGROWTH 32 127 #endif 128 #endif /* YYBTYACC */ 129 130 /* define the initial stack-sizes */ 131 #ifdef YYSTACKSIZE 132 #undef YYMAXDEPTH 133 #define YYMAXDEPTH YYSTACKSIZE 134 #else 135 #ifdef YYMAXDEPTH 136 #define YYSTACKSIZE YYMAXDEPTH 137 #else 138 #define YYSTACKSIZE 10000 139 #define YYMAXDEPTH 10000 140 #endif 141 #endif 142 143 #ifndef YYINITSTACKSIZE 144 #define YYINITSTACKSIZE 200 145 #endif 146 147 typedef struct { 148 unsigned stacksize; 149 YYINT *s_base; 150 YYINT *s_mark; 151 YYINT *s_last; 152 YYSTYPE *l_base; 153 YYSTYPE *l_mark; 154 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 155 YYLTYPE *p_base; 156 YYLTYPE *p_mark; 157 #endif 158 } YYSTACKDATA; 159 #if YYBTYACC 160 161 struct YYParseState_s 162 { 163 struct YYParseState_s *save; /* Previously saved parser state */ 164 YYSTACKDATA yystack; /* saved parser stack */ 165 int state; /* saved parser state */ 166 int errflag; /* saved error recovery status */ 167 int lexeme; /* saved index of the conflict lexeme in the lexical queue */ 168 YYINT ctry; /* saved index in yyctable[] for this conflict */ 169 }; 170 typedef struct YYParseState_s YYParseState; 171 #endif /* YYBTYACC */ 172 /* variables for the parser stack */ 173 static YYSTACKDATA yystack; 174 #if YYBTYACC 175 176 /* Current parser state */ 177 static YYParseState *yyps = 0; 178 179 /* yypath != NULL: do the full parse, starting at *yypath parser state. */ 180 static YYParseState *yypath = 0; 181 182 /* Base of the lexical value queue */ 183 static YYSTYPE *yylvals = 0; 184 185 /* Current position at lexical value queue */ 186 static YYSTYPE *yylvp = 0; 187 188 /* End position of lexical value queue */ 189 static YYSTYPE *yylve = 0; 190 191 /* The last allocated position at the lexical value queue */ 192 static YYSTYPE *yylvlim = 0; 193 194 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 195 /* Base of the lexical position queue */ 196 static YYLTYPE *yylpsns = 0; 197 198 /* Current position at lexical position queue */ 199 static YYLTYPE *yylpp = 0; 200 201 /* End position of lexical position queue */ 202 static YYLTYPE *yylpe = 0; 203 204 /* The last allocated position at the lexical position queue */ 205 static YYLTYPE *yylplim = 0; 206 #endif 207 208 /* Current position at lexical token queue */ 209 static YYINT *yylexp = 0; 210 211 static YYINT *yylexemes = 0; 212 #endif /* YYBTYACC */ 213 #line 12 "code_debug.y" 214 215 #include <stdio.h> 216 217 #ifdef YYBYACC 218 extern int YYLEX_DECL(); 219 #endif 220 221 int 222 main(void) 223 { 224 printf("yyparse() = %d\n", yyparse()); 225 return 0; 226 } 227 228 int 229 yylex(void) 230 { 231 return -1; 232 } 233 234 static void 235 yyerror(const char* s) 236 { 237 printf("%s\n", s); 238 } 239 #line 241 "rename_debug.c" 240 241 /* For use in generated program */ 242 #define yydepth (int)(yystack.s_mark - yystack.s_base) 243 #if YYBTYACC 244 #define yytrial (yyps->save) 245 #endif /* YYBTYACC */ 246 247 #if YYDEBUG 248 #include <stdio.h> /* needed for printf */ 249 #endif 250 251 #include <stdlib.h> /* needed for malloc, etc */ 252 #include <string.h> /* needed for memset */ 253 254 /* allocate initial stack or double stack size, up to YYMAXDEPTH */ 255 static int yygrowstack(YYSTACKDATA *data) 256 { 257 int i; 258 unsigned newsize; 259 YYINT *newss; 260 YYSTYPE *newvs; 261 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 262 YYLTYPE *newps; 263 #endif 264 265 if ((newsize = data->stacksize) == 0) 266 newsize = YYINITSTACKSIZE; 267 else if (newsize >= YYMAXDEPTH) 268 return YYENOMEM; 269 else if ((newsize *= 2) > YYMAXDEPTH) 270 newsize = YYMAXDEPTH; 271 272 i = (int) (data->s_mark - data->s_base); 273 newss = (YYINT *)realloc(data->s_base, newsize * sizeof(*newss)); 274 if (newss == NULL) 275 return YYENOMEM; 276 277 data->s_base = newss; 278 data->s_mark = newss + i; 279 280 newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs)); 281 if (newvs == NULL) 282 return YYENOMEM; 283 284 data->l_base = newvs; 285 data->l_mark = newvs + i; 286 287 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 288 newps = (YYLTYPE *)realloc(data->p_base, newsize * sizeof(*newps)); 289 if (newps == NULL) 290 return YYENOMEM; 291 292 data->p_base = newps; 293 data->p_mark = newps + i; 294 #endif 295 296 data->stacksize = newsize; 297 data->s_last = data->s_base + newsize - 1; 298 299 #if YYDEBUG 300 if (yydebug) 301 fprintf(stderr, "%sdebug: stack size increased to %d\n", YYPREFIX, newsize); 302 #endif 303 return 0; 304 } 305 306 #if YYPURE || defined(YY_NO_LEAKS) 307 static void yyfreestack(YYSTACKDATA *data) 308 { 309 free(data->s_base); 310 free(data->l_base); 311 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 312 free(data->p_base); 313 #endif 314 memset(data, 0, sizeof(*data)); 315 } 316 #else 317 #define yyfreestack(data) /* nothing */ 318 #endif /* YYPURE || defined(YY_NO_LEAKS) */ 319 #if YYBTYACC 320 321 static YYParseState * 322 yyNewState(unsigned size) 323 { 324 YYParseState *p = (YYParseState *) malloc(sizeof(YYParseState)); 325 if (p == NULL) return NULL; 326 327 p->yystack.stacksize = size; 328 if (size == 0) 329 { 330 p->yystack.s_base = NULL; 331 p->yystack.l_base = NULL; 332 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 333 p->yystack.p_base = NULL; 334 #endif 335 return p; 336 } 337 p->yystack.s_base = (YYINT *) malloc(size * sizeof(YYINT)); 338 if (p->yystack.s_base == NULL) return NULL; 339 p->yystack.l_base = (YYSTYPE *) malloc(size * sizeof(YYSTYPE)); 340 if (p->yystack.l_base == NULL) return NULL; 341 memset(p->yystack.l_base, 0, size * sizeof(YYSTYPE)); 342 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 343 p->yystack.p_base = (YYLTYPE *) malloc(size * sizeof(YYLTYPE)); 344 if (p->yystack.p_base == NULL) return NULL; 345 memset(p->yystack.p_base, 0, size * sizeof(YYLTYPE)); 346 #endif 347 348 return p; 349 } 350 351 static void 352 yyFreeState(YYParseState *p) 353 { 354 yyfreestack(&p->yystack); 355 free(p); 356 } 357 #endif /* YYBTYACC */ 358 359 #define YYABORT goto yyabort 360 #define YYREJECT goto yyabort 361 #define YYACCEPT goto yyaccept 362 #define YYERROR goto yyerrlab 363 #if YYBTYACC 364 #define YYVALID do { if (yyps->save) goto yyvalid; } while(0) 365 #define YYVALID_NESTED do { if (yyps->save && \ 366 yyps->save->save == 0) goto yyvalid; } while(0) 367 #endif /* YYBTYACC */ 368 369 int 370 YYPARSE_DECL() 371 { 372 int yym, yyn, yystate, yyresult; 373 #if YYBTYACC 374 int yynewerrflag; 375 YYParseState *yyerrctx = NULL; 376 #endif /* YYBTYACC */ 377 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 378 YYLTYPE yyerror_loc_range[3]; /* position of error start/end (0 unused) */ 379 #endif 380 #if YYDEBUG 381 const char *yys; 382 383 if ((yys = getenv("YYDEBUG")) != NULL) 384 { 385 yyn = *yys; 386 if (yyn >= '0' && yyn <= '9') 387 yydebug = yyn - '0'; 388 } 389 if (yydebug) 390 fprintf(stderr, "%sdebug[<# of symbols on state stack>]\n", YYPREFIX); 391 #endif 392 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 393 memset(yyerror_loc_range, 0, sizeof(yyerror_loc_range)); 394 #endif 395 396 #if YYBTYACC 397 yyps = yyNewState(0); if (yyps == 0) goto yyenomem; 398 yyps->save = 0; 399 #endif /* YYBTYACC */ 400 yym = 0; 401 yyn = 0; 402 yynerrs = 0; 403 yyerrflag = 0; 404 yychar = YYEMPTY; 405 yystate = 0; 406 407 #if YYPURE 408 memset(&yystack, 0, sizeof(yystack)); 409 #endif 410 411 if (yystack.s_base == NULL && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow; 412 yystack.s_mark = yystack.s_base; 413 yystack.l_mark = yystack.l_base; 414 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 415 yystack.p_mark = yystack.p_base; 416 #endif 417 yystate = 0; 418 *yystack.s_mark = 0; 419 420 yyloop: 421 if ((yyn = yydefred[yystate]) != 0) goto yyreduce; 422 if (yychar < 0) 423 { 424 #if YYBTYACC 425 do { 426 if (yylvp < yylve) 427 { 428 /* we're currently re-reading tokens */ 429 yylval = *yylvp++; 430 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 431 yylloc = *yylpp++; 432 #endif 433 yychar = *yylexp++; 434 break; 435 } 436 if (yyps->save) 437 { 438 /* in trial mode; save scanner results for future parse attempts */ 439 if (yylvp == yylvlim) 440 { /* Enlarge lexical value queue */ 441 size_t p = (size_t) (yylvp - yylvals); 442 size_t s = (size_t) (yylvlim - yylvals); 443 444 s += YYLVQUEUEGROWTH; 445 if ((yylexemes = (YYINT *)realloc(yylexemes, s * sizeof(YYINT))) == NULL) goto yyenomem; 446 if ((yylvals = (YYSTYPE *)realloc(yylvals, s * sizeof(YYSTYPE))) == NULL) goto yyenomem; 447 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 448 if ((yylpsns = (YYLTYPE *)realloc(yylpsns, s * sizeof(YYLTYPE))) == NULL) goto yyenomem; 449 #endif 450 yylvp = yylve = yylvals + p; 451 yylvlim = yylvals + s; 452 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 453 yylpp = yylpe = yylpsns + p; 454 yylplim = yylpsns + s; 455 #endif 456 yylexp = yylexemes + p; 457 } 458 *yylexp = (YYINT) YYLEX; 459 *yylvp++ = yylval; 460 yylve++; 461 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 462 *yylpp++ = yylloc; 463 yylpe++; 464 #endif 465 yychar = *yylexp++; 466 break; 467 } 468 /* normal operation, no conflict encountered */ 469 #endif /* YYBTYACC */ 470 yychar = YYLEX; 471 #if YYBTYACC 472 } while (0); 473 #endif /* YYBTYACC */ 474 if (yychar < 0) yychar = YYEOF; 475 #if YYDEBUG 476 if (yydebug) 477 { 478 if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN]; 479 fprintf(stderr, "%s[%d]: state %d, reading token %d (%s)", 480 YYDEBUGSTR, yydepth, yystate, yychar, yys); 481 #ifdef YYSTYPE_TOSTRING 482 #if YYBTYACC 483 if (!yytrial) 484 #endif /* YYBTYACC */ 485 fprintf(stderr, " <%s>", YYSTYPE_TOSTRING(yychar, yylval)); 486 #endif 487 fputc('\n', stderr); 488 } 489 #endif 490 } 491 #if YYBTYACC 492 493 /* Do we have a conflict? */ 494 if (((yyn = yycindex[yystate]) != 0) && (yyn += yychar) >= 0 && 495 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar) 496 { 497 YYINT ctry; 498 499 if (yypath) 500 { 501 YYParseState *save; 502 #if YYDEBUG 503 if (yydebug) 504 fprintf(stderr, "%s[%d]: CONFLICT in state %d: following successful trial parse\n", 505 YYDEBUGSTR, yydepth, yystate); 506 #endif 507 /* Switch to the next conflict context */ 508 save = yypath; 509 yypath = save->save; 510 save->save = NULL; 511 ctry = save->ctry; 512 if (save->state != yystate) YYABORT; 513 yyFreeState(save); 514 515 } 516 else 517 { 518 519 /* Unresolved conflict - start/continue trial parse */ 520 YYParseState *save; 521 #if YYDEBUG 522 if (yydebug) 523 { 524 fprintf(stderr, "%s[%d]: CONFLICT in state %d. ", YYDEBUGSTR, yydepth, yystate); 525 if (yyps->save) 526 fputs("ALREADY in conflict, continuing trial parse.\n", stderr); 527 else 528 fputs("Starting trial parse.\n", stderr); 529 } 530 #endif 531 save = yyNewState((unsigned)(yystack.s_mark - yystack.s_base + 1)); 532 if (save == NULL) goto yyenomem; 533 save->save = yyps->save; 534 save->state = yystate; 535 save->errflag = yyerrflag; 536 save->yystack.s_mark = save->yystack.s_base + (yystack.s_mark - yystack.s_base); 537 memcpy (save->yystack.s_base, yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT)); 538 save->yystack.l_mark = save->yystack.l_base + (yystack.l_mark - yystack.l_base); 539 memcpy (save->yystack.l_base, yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE)); 540 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 541 save->yystack.p_mark = save->yystack.p_base + (yystack.p_mark - yystack.p_base); 542 memcpy (save->yystack.p_base, yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE)); 543 #endif 544 ctry = yytable[yyn]; 545 if (yyctable[ctry] == -1) 546 { 547 #if YYDEBUG 548 if (yydebug && yychar >= YYEOF) 549 fprintf(stderr, "%s[%d]: backtracking 1 token\n", YYDEBUGSTR, yydepth); 550 #endif 551 ctry++; 552 } 553 save->ctry = ctry; 554 if (yyps->save == NULL) 555 { 556 /* If this is a first conflict in the stack, start saving lexemes */ 557 if (!yylexemes) 558 { 559 yylexemes = (YYINT *) malloc((YYLVQUEUEGROWTH) * sizeof(YYINT)); 560 if (yylexemes == NULL) goto yyenomem; 561 yylvals = (YYSTYPE *) malloc((YYLVQUEUEGROWTH) * sizeof(YYSTYPE)); 562 if (yylvals == NULL) goto yyenomem; 563 yylvlim = yylvals + YYLVQUEUEGROWTH; 564 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 565 yylpsns = (YYLTYPE *) malloc((YYLVQUEUEGROWTH) * sizeof(YYLTYPE)); 566 if (yylpsns == NULL) goto yyenomem; 567 yylplim = yylpsns + YYLVQUEUEGROWTH; 568 #endif 569 } 570 if (yylvp == yylve) 571 { 572 yylvp = yylve = yylvals; 573 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 574 yylpp = yylpe = yylpsns; 575 #endif 576 yylexp = yylexemes; 577 if (yychar >= YYEOF) 578 { 579 *yylve++ = yylval; 580 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 581 *yylpe++ = yylloc; 582 #endif 583 *yylexp = (YYINT) yychar; 584 yychar = YYEMPTY; 585 } 586 } 587 } 588 if (yychar >= YYEOF) 589 { 590 yylvp--; 591 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 592 yylpp--; 593 #endif 594 yylexp--; 595 yychar = YYEMPTY; 596 } 597 save->lexeme = (int) (yylvp - yylvals); 598 yyps->save = save; 599 } 600 if (yytable[yyn] == ctry) 601 { 602 #if YYDEBUG 603 if (yydebug) 604 fprintf(stderr, "%s[%d]: state %d, shifting to state %d\n", 605 YYDEBUGSTR, yydepth, yystate, yyctable[ctry]); 606 #endif 607 if (yychar < 0) 608 { 609 yylvp++; 610 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 611 yylpp++; 612 #endif 613 yylexp++; 614 } 615 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) 616 goto yyoverflow; 617 yystate = yyctable[ctry]; 618 *++yystack.s_mark = (YYINT) yystate; 619 *++yystack.l_mark = yylval; 620 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 621 *++yystack.p_mark = yylloc; 622 #endif 623 yychar = YYEMPTY; 624 if (yyerrflag > 0) --yyerrflag; 625 goto yyloop; 626 } 627 else 628 { 629 yyn = yyctable[ctry]; 630 goto yyreduce; 631 } 632 } /* End of code dealing with conflicts */ 633 #endif /* YYBTYACC */ 634 if (((yyn = yysindex[yystate]) != 0) && (yyn += yychar) >= 0 && 635 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar) 636 { 637 #if YYDEBUG 638 if (yydebug) 639 fprintf(stderr, "%s[%d]: state %d, shifting to state %d\n", 640 YYDEBUGSTR, yydepth, yystate, yytable[yyn]); 641 #endif 642 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow; 643 yystate = yytable[yyn]; 644 *++yystack.s_mark = yytable[yyn]; 645 *++yystack.l_mark = yylval; 646 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 647 *++yystack.p_mark = yylloc; 648 #endif 649 yychar = YYEMPTY; 650 if (yyerrflag > 0) --yyerrflag; 651 goto yyloop; 652 } 653 if (((yyn = yyrindex[yystate]) != 0) && (yyn += yychar) >= 0 && 654 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar) 655 { 656 yyn = yytable[yyn]; 657 goto yyreduce; 658 } 659 if (yyerrflag != 0) goto yyinrecovery; 660 #if YYBTYACC 661 662 yynewerrflag = 1; 663 goto yyerrhandler; 664 goto yyerrlab; /* redundant goto avoids 'unused label' warning */ 665 666 yyerrlab: 667 /* explicit YYERROR from an action -- pop the rhs of the rule reduced 668 * before looking for error recovery */ 669 yystack.s_mark -= yym; 670 yystate = *yystack.s_mark; 671 yystack.l_mark -= yym; 672 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 673 yystack.p_mark -= yym; 674 #endif 675 676 yynewerrflag = 0; 677 yyerrhandler: 678 while (yyps->save) 679 { 680 int ctry; 681 YYParseState *save = yyps->save; 682 #if YYDEBUG 683 if (yydebug) 684 fprintf(stderr, "%s[%d]: ERROR in state %d, CONFLICT BACKTRACKING to state %d, %d tokens\n", 685 YYDEBUGSTR, yydepth, yystate, yyps->save->state, 686 (int)(yylvp - yylvals - yyps->save->lexeme)); 687 #endif 688 /* Memorize most forward-looking error state in case it's really an error. */ 689 if (yyerrctx == NULL || yyerrctx->lexeme < yylvp - yylvals) 690 { 691 /* Free old saved error context state */ 692 if (yyerrctx) yyFreeState(yyerrctx); 693 /* Create and fill out new saved error context state */ 694 yyerrctx = yyNewState((unsigned)(yystack.s_mark - yystack.s_base + 1)); 695 if (yyerrctx == NULL) goto yyenomem; 696 yyerrctx->save = yyps->save; 697 yyerrctx->state = yystate; 698 yyerrctx->errflag = yyerrflag; 699 yyerrctx->yystack.s_mark = yyerrctx->yystack.s_base + (yystack.s_mark - yystack.s_base); 700 memcpy (yyerrctx->yystack.s_base, yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT)); 701 yyerrctx->yystack.l_mark = yyerrctx->yystack.l_base + (yystack.l_mark - yystack.l_base); 702 memcpy (yyerrctx->yystack.l_base, yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE)); 703 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 704 yyerrctx->yystack.p_mark = yyerrctx->yystack.p_base + (yystack.p_mark - yystack.p_base); 705 memcpy (yyerrctx->yystack.p_base, yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE)); 706 #endif 707 yyerrctx->lexeme = (int) (yylvp - yylvals); 708 } 709 yylvp = yylvals + save->lexeme; 710 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 711 yylpp = yylpsns + save->lexeme; 712 #endif 713 yylexp = yylexemes + save->lexeme; 714 yychar = YYEMPTY; 715 yystack.s_mark = yystack.s_base + (save->yystack.s_mark - save->yystack.s_base); 716 memcpy (yystack.s_base, save->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT)); 717 yystack.l_mark = yystack.l_base + (save->yystack.l_mark - save->yystack.l_base); 718 memcpy (yystack.l_base, save->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE)); 719 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 720 yystack.p_mark = yystack.p_base + (save->yystack.p_mark - save->yystack.p_base); 721 memcpy (yystack.p_base, save->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE)); 722 #endif 723 ctry = ++save->ctry; 724 yystate = save->state; 725 /* We tried shift, try reduce now */ 726 if ((yyn = yyctable[ctry]) >= 0) goto yyreduce; 727 yyps->save = save->save; 728 save->save = NULL; 729 yyFreeState(save); 730 731 /* Nothing left on the stack -- error */ 732 if (!yyps->save) 733 { 734 #if YYDEBUG 735 if (yydebug) 736 fprintf(stderr, "%sdebug[%d,trial]: trial parse FAILED, entering ERROR mode\n", 737 YYPREFIX, yydepth); 738 #endif 739 /* Restore state as it was in the most forward-advanced error */ 740 yylvp = yylvals + yyerrctx->lexeme; 741 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 742 yylpp = yylpsns + yyerrctx->lexeme; 743 #endif 744 yylexp = yylexemes + yyerrctx->lexeme; 745 yychar = yylexp[-1]; 746 yylval = yylvp[-1]; 747 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 748 yylloc = yylpp[-1]; 749 #endif 750 yystack.s_mark = yystack.s_base + (yyerrctx->yystack.s_mark - yyerrctx->yystack.s_base); 751 memcpy (yystack.s_base, yyerrctx->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT)); 752 yystack.l_mark = yystack.l_base + (yyerrctx->yystack.l_mark - yyerrctx->yystack.l_base); 753 memcpy (yystack.l_base, yyerrctx->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE)); 754 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 755 yystack.p_mark = yystack.p_base + (yyerrctx->yystack.p_mark - yyerrctx->yystack.p_base); 756 memcpy (yystack.p_base, yyerrctx->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE)); 757 #endif 758 yystate = yyerrctx->state; 759 yyFreeState(yyerrctx); 760 yyerrctx = NULL; 761 } 762 yynewerrflag = 1; 763 } 764 if (yynewerrflag == 0) goto yyinrecovery; 765 #endif /* YYBTYACC */ 766 767 YYERROR_CALL("syntax error"); 768 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 769 yyerror_loc_range[1] = yylloc; /* lookahead position is error start position */ 770 #endif 771 772 #if !YYBTYACC 773 goto yyerrlab; /* redundant goto avoids 'unused label' warning */ 774 yyerrlab: 775 #endif 776 ++yynerrs; 777 778 yyinrecovery: 779 if (yyerrflag < 3) 780 { 781 yyerrflag = 3; 782 for (;;) 783 { 784 if (((yyn = yysindex[*yystack.s_mark]) != 0) && (yyn += YYERRCODE) >= 0 && 785 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) YYERRCODE) 786 { 787 #if YYDEBUG 788 if (yydebug) 789 fprintf(stderr, "%s[%d]: state %d, error recovery shifting to state %d\n", 790 YYDEBUGSTR, yydepth, *yystack.s_mark, yytable[yyn]); 791 #endif 792 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow; 793 yystate = yytable[yyn]; 794 *++yystack.s_mark = yytable[yyn]; 795 *++yystack.l_mark = yylval; 796 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 797 /* lookahead position is error end position */ 798 yyerror_loc_range[2] = yylloc; 799 YYLLOC_DEFAULT(yyloc, yyerror_loc_range, 2); /* position of error span */ 800 *++yystack.p_mark = yyloc; 801 #endif 802 goto yyloop; 803 } 804 else 805 { 806 #if YYDEBUG 807 if (yydebug) 808 fprintf(stderr, "%s[%d]: error recovery discarding state %d\n", 809 YYDEBUGSTR, yydepth, *yystack.s_mark); 810 #endif 811 if (yystack.s_mark <= yystack.s_base) goto yyabort; 812 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 813 /* the current TOS position is the error start position */ 814 yyerror_loc_range[1] = *yystack.p_mark; 815 #endif 816 #if defined(YYDESTRUCT_CALL) 817 #if YYBTYACC 818 if (!yytrial) 819 #endif /* YYBTYACC */ 820 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 821 YYDESTRUCT_CALL("error: discarding state", 822 yystos[*yystack.s_mark], yystack.l_mark, yystack.p_mark); 823 #else 824 YYDESTRUCT_CALL("error: discarding state", 825 yystos[*yystack.s_mark], yystack.l_mark); 826 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */ 827 #endif /* defined(YYDESTRUCT_CALL) */ 828 --yystack.s_mark; 829 --yystack.l_mark; 830 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 831 --yystack.p_mark; 832 #endif 833 } 834 } 835 } 836 else 837 { 838 if (yychar == YYEOF) goto yyabort; 839 #if YYDEBUG 840 if (yydebug) 841 { 842 if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN]; 843 fprintf(stderr, "%s[%d]: state %d, error recovery discarding token %d (%s)\n", 844 YYDEBUGSTR, yydepth, yystate, yychar, yys); 845 } 846 #endif 847 #if defined(YYDESTRUCT_CALL) 848 #if YYBTYACC 849 if (!yytrial) 850 #endif /* YYBTYACC */ 851 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 852 YYDESTRUCT_CALL("error: discarding token", yychar, &yylval, &yylloc); 853 #else 854 YYDESTRUCT_CALL("error: discarding token", yychar, &yylval); 855 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */ 856 #endif /* defined(YYDESTRUCT_CALL) */ 857 yychar = YYEMPTY; 858 goto yyloop; 859 } 860 861 yyreduce: 862 yym = yylen[yyn]; 863 #if YYDEBUG 864 if (yydebug) 865 { 866 fprintf(stderr, "%s[%d]: state %d, reducing by rule %d (%s)", 867 YYDEBUGSTR, yydepth, yystate, yyn, yyrule[yyn]); 868 #ifdef YYSTYPE_TOSTRING 869 #if YYBTYACC 870 if (!yytrial) 871 #endif /* YYBTYACC */ 872 if (yym > 0) 873 { 874 int i; 875 fputc('<', stderr); 876 for (i = yym; i > 0; i--) 877 { 878 if (i != yym) fputs(", ", stderr); 879 fputs(YYSTYPE_TOSTRING(yystos[yystack.s_mark[1-i]], 880 yystack.l_mark[1-i]), stderr); 881 } 882 fputc('>', stderr); 883 } 884 #endif 885 fputc('\n', stderr); 886 } 887 #endif 888 if (yym > 0) 889 yyval = yystack.l_mark[1-yym]; 890 else 891 memset(&yyval, 0, sizeof yyval); 892 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 893 894 /* Perform position reduction */ 895 memset(&yyloc, 0, sizeof(yyloc)); 896 #if YYBTYACC 897 if (!yytrial) 898 #endif /* YYBTYACC */ 899 { 900 YYLLOC_DEFAULT(yyloc, &yystack.p_mark[-yym], yym); 901 /* just in case YYERROR is invoked within the action, save 902 the start of the rhs as the error start position */ 903 yyerror_loc_range[1] = yystack.p_mark[1-yym]; 904 } 905 #endif 906 907 switch (yyn) 908 { 909 default: 910 break; 911 } 912 yystack.s_mark -= yym; 913 yystate = *yystack.s_mark; 914 yystack.l_mark -= yym; 915 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 916 yystack.p_mark -= yym; 917 #endif 918 yym = yylhs[yyn]; 919 if (yystate == 0 && yym == 0) 920 { 921 #if YYDEBUG 922 if (yydebug) 923 { 924 fprintf(stderr, "%s[%d]: after reduction, ", YYDEBUGSTR, yydepth); 925 #ifdef YYSTYPE_TOSTRING 926 #if YYBTYACC 927 if (!yytrial) 928 #endif /* YYBTYACC */ 929 fprintf(stderr, "result is <%s>, ", YYSTYPE_TOSTRING(yystos[YYFINAL], yyval)); 930 #endif 931 fprintf(stderr, "shifting from state 0 to final state %d\n", YYFINAL); 932 } 933 #endif 934 yystate = YYFINAL; 935 *++yystack.s_mark = YYFINAL; 936 *++yystack.l_mark = yyval; 937 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 938 *++yystack.p_mark = yyloc; 939 #endif 940 if (yychar < 0) 941 { 942 #if YYBTYACC 943 do { 944 if (yylvp < yylve) 945 { 946 /* we're currently re-reading tokens */ 947 yylval = *yylvp++; 948 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 949 yylloc = *yylpp++; 950 #endif 951 yychar = *yylexp++; 952 break; 953 } 954 if (yyps->save) 955 { 956 /* in trial mode; save scanner results for future parse attempts */ 957 if (yylvp == yylvlim) 958 { /* Enlarge lexical value queue */ 959 size_t p = (size_t) (yylvp - yylvals); 960 size_t s = (size_t) (yylvlim - yylvals); 961 962 s += YYLVQUEUEGROWTH; 963 if ((yylexemes = (YYINT *)realloc(yylexemes, s * sizeof(YYINT))) == NULL) 964 goto yyenomem; 965 if ((yylvals = (YYSTYPE *)realloc(yylvals, s * sizeof(YYSTYPE))) == NULL) 966 goto yyenomem; 967 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 968 if ((yylpsns = (YYLTYPE *)realloc(yylpsns, s * sizeof(YYLTYPE))) == NULL) 969 goto yyenomem; 970 #endif 971 yylvp = yylve = yylvals + p; 972 yylvlim = yylvals + s; 973 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 974 yylpp = yylpe = yylpsns + p; 975 yylplim = yylpsns + s; 976 #endif 977 yylexp = yylexemes + p; 978 } 979 *yylexp = (YYINT) YYLEX; 980 *yylvp++ = yylval; 981 yylve++; 982 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 983 *yylpp++ = yylloc; 984 yylpe++; 985 #endif 986 yychar = *yylexp++; 987 break; 988 } 989 /* normal operation, no conflict encountered */ 990 #endif /* YYBTYACC */ 991 yychar = YYLEX; 992 #if YYBTYACC 993 } while (0); 994 #endif /* YYBTYACC */ 995 if (yychar < 0) yychar = YYEOF; 996 #if YYDEBUG 997 if (yydebug) 998 { 999 if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN]; 1000 fprintf(stderr, "%s[%d]: state %d, reading token %d (%s)\n", 1001 YYDEBUGSTR, yydepth, YYFINAL, yychar, yys); 1002 } 1003 #endif 1004 } 1005 if (yychar == YYEOF) goto yyaccept; 1006 goto yyloop; 1007 } 1008 if (((yyn = yygindex[yym]) != 0) && (yyn += yystate) >= 0 && 1009 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yystate) 1010 yystate = yytable[yyn]; 1011 else 1012 yystate = yydgoto[yym]; 1013 #if YYDEBUG 1014 if (yydebug) 1015 { 1016 fprintf(stderr, "%s[%d]: after reduction, ", YYDEBUGSTR, yydepth); 1017 #ifdef YYSTYPE_TOSTRING 1018 #if YYBTYACC 1019 if (!yytrial) 1020 #endif /* YYBTYACC */ 1021 fprintf(stderr, "result is <%s>, ", YYSTYPE_TOSTRING(yystos[yystate], yyval)); 1022 #endif 1023 fprintf(stderr, "shifting from state %d to state %d\n", *yystack.s_mark, yystate); 1024 } 1025 #endif 1026 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow; 1027 *++yystack.s_mark = (YYINT) yystate; 1028 *++yystack.l_mark = yyval; 1029 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 1030 *++yystack.p_mark = yyloc; 1031 #endif 1032 goto yyloop; 1033 #if YYBTYACC 1034 1035 /* Reduction declares that this path is valid. Set yypath and do a full parse */ 1036 yyvalid: 1037 if (yypath) YYABORT; 1038 while (yyps->save) 1039 { 1040 YYParseState *save = yyps->save; 1041 yyps->save = save->save; 1042 save->save = yypath; 1043 yypath = save; 1044 } 1045 #if YYDEBUG 1046 if (yydebug) 1047 fprintf(stderr, "%s[%d]: state %d, CONFLICT trial successful, backtracking to state %d, %d tokens\n", 1048 YYDEBUGSTR, yydepth, yystate, yypath->state, (int)(yylvp - yylvals - yypath->lexeme)); 1049 #endif 1050 if (yyerrctx) 1051 { 1052 yyFreeState(yyerrctx); 1053 yyerrctx = NULL; 1054 } 1055 yylvp = yylvals + yypath->lexeme; 1056 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 1057 yylpp = yylpsns + yypath->lexeme; 1058 #endif 1059 yylexp = yylexemes + yypath->lexeme; 1060 yychar = YYEMPTY; 1061 yystack.s_mark = yystack.s_base + (yypath->yystack.s_mark - yypath->yystack.s_base); 1062 memcpy (yystack.s_base, yypath->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT)); 1063 yystack.l_mark = yystack.l_base + (yypath->yystack.l_mark - yypath->yystack.l_base); 1064 memcpy (yystack.l_base, yypath->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE)); 1065 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 1066 yystack.p_mark = yystack.p_base + (yypath->yystack.p_mark - yypath->yystack.p_base); 1067 memcpy (yystack.p_base, yypath->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE)); 1068 #endif 1069 yystate = yypath->state; 1070 goto yyloop; 1071 #endif /* YYBTYACC */ 1072 1073 yyoverflow: 1074 YYERROR_CALL("yacc stack overflow"); 1075 #if YYBTYACC 1076 goto yyabort_nomem; 1077 yyenomem: 1078 YYERROR_CALL("memory exhausted"); 1079 yyabort_nomem: 1080 #endif /* YYBTYACC */ 1081 yyresult = 2; 1082 goto yyreturn; 1083 1084 yyabort: 1085 yyresult = 1; 1086 goto yyreturn; 1087 1088 yyaccept: 1089 #if YYBTYACC 1090 if (yyps->save) goto yyvalid; 1091 #endif /* YYBTYACC */ 1092 yyresult = 0; 1093 1094 yyreturn: 1095 #if defined(YYDESTRUCT_CALL) 1096 if (yychar != YYEOF && yychar != YYEMPTY) 1097 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 1098 YYDESTRUCT_CALL("cleanup: discarding token", yychar, &yylval, &yylloc); 1099 #else 1100 YYDESTRUCT_CALL("cleanup: discarding token", yychar, &yylval); 1101 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */ 1102 1103 { 1104 YYSTYPE *pv; 1105 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 1106 YYLTYPE *pp; 1107 1108 for (pv = yystack.l_base, pp = yystack.p_base; pv <= yystack.l_mark; ++pv, ++pp) 1109 YYDESTRUCT_CALL("cleanup: discarding state", 1110 yystos[*(yystack.s_base + (pv - yystack.l_base))], pv, pp); 1111 #else 1112 for (pv = yystack.l_base; pv <= yystack.l_mark; ++pv) 1113 YYDESTRUCT_CALL("cleanup: discarding state", 1114 yystos[*(yystack.s_base + (pv - yystack.l_base))], pv); 1115 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */ 1116 } 1117 #endif /* defined(YYDESTRUCT_CALL) */ 1118 1119 #if YYBTYACC 1120 if (yyerrctx) 1121 { 1122 yyFreeState(yyerrctx); 1123 yyerrctx = NULL; 1124 } 1125 while (yyps) 1126 { 1127 YYParseState *save = yyps; 1128 yyps = save->save; 1129 save->save = NULL; 1130 yyFreeState(save); 1131 } 1132 while (yypath) 1133 { 1134 YYParseState *save = yypath; 1135 yypath = save->save; 1136 save->save = NULL; 1137 yyFreeState(save); 1138 } 1139 #endif /* YYBTYACC */ 1140 yyfreestack(&yystack); 1141 return (yyresult); 1142 } 1143