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 20 #ifndef yyparse 21 #define yyparse calc_parse 22 #endif /* yyparse */ 23 24 #ifndef yylex 25 #define yylex calc_lex 26 #endif /* yylex */ 27 28 #ifndef yyerror 29 #define yyerror calc_error 30 #endif /* yyerror */ 31 32 #ifndef yychar 33 #define yychar calc_char 34 #endif /* yychar */ 35 36 #ifndef yyval 37 #define yyval calc_val 38 #endif /* yyval */ 39 40 #ifndef yylval 41 #define yylval calc_lval 42 #endif /* yylval */ 43 44 #ifndef yydebug 45 #define yydebug calc_debug 46 #endif /* yydebug */ 47 48 #ifndef yynerrs 49 #define yynerrs calc_nerrs 50 #endif /* yynerrs */ 51 52 #ifndef yyerrflag 53 #define yyerrflag calc_errflag 54 #endif /* yyerrflag */ 55 56 #ifndef yylhs 57 #define yylhs calc_lhs 58 #endif /* yylhs */ 59 60 #ifndef yylen 61 #define yylen calc_len 62 #endif /* yylen */ 63 64 #ifndef yydefred 65 #define yydefred calc_defred 66 #endif /* yydefred */ 67 68 #ifndef yystos 69 #define yystos calc_stos 70 #endif /* yystos */ 71 72 #ifndef yydgoto 73 #define yydgoto calc_dgoto 74 #endif /* yydgoto */ 75 76 #ifndef yysindex 77 #define yysindex calc_sindex 78 #endif /* yysindex */ 79 80 #ifndef yyrindex 81 #define yyrindex calc_rindex 82 #endif /* yyrindex */ 83 84 #ifndef yygindex 85 #define yygindex calc_gindex 86 #endif /* yygindex */ 87 88 #ifndef yytable 89 #define yytable calc_table 90 #endif /* yytable */ 91 92 #ifndef yycheck 93 #define yycheck calc_check 94 #endif /* yycheck */ 95 96 #ifndef yyname 97 #define yyname calc_name 98 #endif /* yyname */ 99 100 #ifndef yyrule 101 #define yyrule calc_rule 102 #endif /* yyrule */ 103 104 #if YYBTYACC 105 106 #ifndef yycindex 107 #define yycindex calc_cindex 108 #endif /* yycindex */ 109 110 #ifndef yyctable 111 #define yyctable calc_ctable 112 #endif /* yyctable */ 113 114 #endif /* YYBTYACC */ 115 116 #define YYPREFIX "calc_" 117 118 #define YYPURE 0 119 120 #line 4 "code_calc.y" 121 # include <stdio.h> 122 # include <ctype.h> 123 124 int regs[26]; 125 int base; 126 127 #ifdef YYBISON 128 int yylex(void); 129 static void yyerror(const char *s); 130 #endif 131 132 #line 133 "code_calc.code.c" 133 134 #if ! defined(YYSTYPE) && ! defined(YYSTYPE_IS_DECLARED) 135 /* Default: YYSTYPE is the semantic value type. */ 136 typedef int YYSTYPE; 137 # define YYSTYPE_IS_DECLARED 1 138 #endif 139 140 /* compatibility with bison */ 141 #ifdef YYPARSE_PARAM 142 /* compatibility with FreeBSD */ 143 # ifdef YYPARSE_PARAM_TYPE 144 # define YYPARSE_DECL() yyparse(YYPARSE_PARAM_TYPE YYPARSE_PARAM) 145 # else 146 # define YYPARSE_DECL() yyparse(void *YYPARSE_PARAM) 147 # endif 148 #else 149 # define YYPARSE_DECL() yyparse(void) 150 #endif 151 152 /* Parameters sent to lex. */ 153 #ifdef YYLEX_PARAM 154 # define YYLEX_DECL() yylex(void *YYLEX_PARAM) 155 # define YYLEX yylex(YYLEX_PARAM) 156 #else 157 # define YYLEX_DECL() yylex(void) 158 # define YYLEX yylex() 159 #endif 160 161 /* Parameters sent to yyerror. */ 162 #ifndef YYERROR_DECL 163 #define YYERROR_DECL() yyerror(const char *s) 164 #endif 165 #ifndef YYERROR_CALL 166 #define YYERROR_CALL(msg) yyerror(msg) 167 #endif 168 169 #define DIGIT 257 170 #define LETTER 258 171 #define UMINUS 259 172 #define YYERRCODE 256 173 #undef yytname 174 #define yytname yyname 175 #define YYTABLESIZE 220 176 #define YYFINAL 1 177 #ifndef YYDEBUG 178 #define YYDEBUG 0 179 #endif 180 #define YYMAXTOKEN 259 181 #define YYUNDFTOKEN 265 182 #define YYTRANSLATE(a) ((a) > YYMAXTOKEN ? YYUNDFTOKEN : (a)) 183 184 extern int YYPARSE_DECL(); 185 typedef int YYINT; 186 extern const YYINT yylhs[]; 187 extern const YYINT yylen[]; 188 extern const YYINT yydefred[]; 189 extern const YYINT yystos[]; 190 extern const YYINT yydgoto[]; 191 extern const YYINT yysindex[]; 192 extern const YYINT yyrindex[]; 193 #if YYBTYACC 194 extern const YYINT yycindex[]; 195 #endif /* YYBTYACC */ 196 extern const YYINT yygindex[]; 197 extern const YYINT yytable[]; 198 extern const YYINT yycheck[]; 199 #if YYBTYACC 200 extern const YYINT yyctable[]; 201 #endif /* YYBTYACC */ 202 203 #if YYDEBUG || defined(yytname) 204 extern const char *const yyname[]; 205 #endif 206 #if YYDEBUG 207 extern const char *const yyrule[]; 208 #endif 209 210 #if YYDEBUG 211 int yydebug; 212 #endif 213 214 int yyerrflag; 215 int yychar; 216 YYSTYPE yyval; 217 YYSTYPE yylval; 218 int yynerrs; 219 220 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 221 YYLTYPE yyloc; /* position returned by actions */ 222 YYLTYPE yylloc; /* position from the lexer */ 223 #endif 224 225 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 226 #ifndef YYLLOC_DEFAULT 227 #define YYLLOC_DEFAULT(loc, rhs, n) \ 228 do \ 229 { \ 230 if (n == 0) \ 231 { \ 232 (loc).first_line = YYRHSLOC(rhs, 0).last_line; \ 233 (loc).first_column = YYRHSLOC(rhs, 0).last_column; \ 234 (loc).last_line = YYRHSLOC(rhs, 0).last_line; \ 235 (loc).last_column = YYRHSLOC(rhs, 0).last_column; \ 236 } \ 237 else \ 238 { \ 239 (loc).first_line = YYRHSLOC(rhs, 1).first_line; \ 240 (loc).first_column = YYRHSLOC(rhs, 1).first_column; \ 241 (loc).last_line = YYRHSLOC(rhs, n).last_line; \ 242 (loc).last_column = YYRHSLOC(rhs, n).last_column; \ 243 } \ 244 } while (0) 245 #endif /* YYLLOC_DEFAULT */ 246 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */ 247 #if YYBTYACC 248 249 #ifndef YYLVQUEUEGROWTH 250 #define YYLVQUEUEGROWTH 32 251 #endif 252 #endif /* YYBTYACC */ 253 254 /* define the initial stack-sizes */ 255 #ifdef YYSTACKSIZE 256 #undef YYMAXDEPTH 257 #define YYMAXDEPTH YYSTACKSIZE 258 #else 259 #ifdef YYMAXDEPTH 260 #define YYSTACKSIZE YYMAXDEPTH 261 #else 262 #define YYSTACKSIZE 10000 263 #define YYMAXDEPTH 10000 264 #endif 265 #endif 266 267 #ifndef YYINITSTACKSIZE 268 #define YYINITSTACKSIZE 200 269 #endif 270 271 typedef struct { 272 unsigned stacksize; 273 YYINT *s_base; 274 YYINT *s_mark; 275 YYINT *s_last; 276 YYSTYPE *l_base; 277 YYSTYPE *l_mark; 278 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 279 YYLTYPE *p_base; 280 YYLTYPE *p_mark; 281 #endif 282 } YYSTACKDATA; 283 #if YYBTYACC 284 285 struct YYParseState_s 286 { 287 struct YYParseState_s *save; /* Previously saved parser state */ 288 YYSTACKDATA yystack; /* saved parser stack */ 289 int state; /* saved parser state */ 290 int errflag; /* saved error recovery status */ 291 int lexeme; /* saved index of the conflict lexeme in the lexical queue */ 292 YYINT ctry; /* saved index in yyctable[] for this conflict */ 293 }; 294 typedef struct YYParseState_s YYParseState; 295 #endif /* YYBTYACC */ 296 /* variables for the parser stack */ 297 static YYSTACKDATA yystack; 298 #if YYBTYACC 299 300 /* Current parser state */ 301 static YYParseState *yyps = 0; 302 303 /* yypath != NULL: do the full parse, starting at *yypath parser state. */ 304 static YYParseState *yypath = 0; 305 306 /* Base of the lexical value queue */ 307 static YYSTYPE *yylvals = 0; 308 309 /* Current position at lexical value queue */ 310 static YYSTYPE *yylvp = 0; 311 312 /* End position of lexical value queue */ 313 static YYSTYPE *yylve = 0; 314 315 /* The last allocated position at the lexical value queue */ 316 static YYSTYPE *yylvlim = 0; 317 318 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 319 /* Base of the lexical position queue */ 320 static YYLTYPE *yylpsns = 0; 321 322 /* Current position at lexical position queue */ 323 static YYLTYPE *yylpp = 0; 324 325 /* End position of lexical position queue */ 326 static YYLTYPE *yylpe = 0; 327 328 /* The last allocated position at the lexical position queue */ 329 static YYLTYPE *yylplim = 0; 330 #endif 331 332 /* Current position at lexical token queue */ 333 static YYINT *yylexp = 0; 334 335 static YYINT *yylexemes = 0; 336 #endif /* YYBTYACC */ 337 #line 70 "code_calc.y" 338 /* start of programs */ 339 340 #ifdef YYBYACC 341 extern int YYLEX_DECL(); 342 #endif 343 344 int 345 main (void) 346 { 347 while(!feof(stdin)) { 348 yyparse(); 349 } 350 return 0; 351 } 352 353 static void 354 yyerror(const char *s) 355 { 356 fprintf(stderr, "%s\n", s); 357 } 358 359 int 360 yylex(void) 361 { 362 /* lexical analysis routine */ 363 /* returns LETTER for a lower case letter, yylval = 0 through 25 */ 364 /* return DIGIT for a digit, yylval = 0 through 9 */ 365 /* all other characters are returned immediately */ 366 367 int c; 368 369 while( (c=getchar()) == ' ' ) { /* skip blanks */ } 370 371 /* c is now nonblank */ 372 373 if( islower( c )) { 374 yylval = c - 'a'; 375 return ( LETTER ); 376 } 377 if( isdigit( c )) { 378 yylval = c - '0'; 379 return ( DIGIT ); 380 } 381 return( c ); 382 } 383 #line 384 "code_calc.code.c" 384 385 /* For use in generated program */ 386 #define yydepth (int)(yystack.s_mark - yystack.s_base) 387 #if YYBTYACC 388 #define yytrial (yyps->save) 389 #endif /* YYBTYACC */ 390 391 #if YYDEBUG 392 #include <stdio.h> /* needed for printf */ 393 #endif 394 395 #include <stdlib.h> /* needed for malloc, etc */ 396 #include <string.h> /* needed for memset */ 397 398 /* allocate initial stack or double stack size, up to YYMAXDEPTH */ 399 static int yygrowstack(YYSTACKDATA *data) 400 { 401 int i; 402 unsigned newsize; 403 YYINT *newss; 404 YYSTYPE *newvs; 405 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 406 YYLTYPE *newps; 407 #endif 408 409 if ((newsize = data->stacksize) == 0) 410 newsize = YYINITSTACKSIZE; 411 else if (newsize >= YYMAXDEPTH) 412 return YYENOMEM; 413 else if ((newsize *= 2) > YYMAXDEPTH) 414 newsize = YYMAXDEPTH; 415 416 i = (int) (data->s_mark - data->s_base); 417 newss = (YYINT *)realloc(data->s_base, newsize * sizeof(*newss)); 418 if (newss == 0) 419 return YYENOMEM; 420 421 data->s_base = newss; 422 data->s_mark = newss + i; 423 424 newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs)); 425 if (newvs == 0) 426 return YYENOMEM; 427 428 data->l_base = newvs; 429 data->l_mark = newvs + i; 430 431 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 432 newps = (YYLTYPE *)realloc(data->p_base, newsize * sizeof(*newps)); 433 if (newps == 0) 434 return YYENOMEM; 435 436 data->p_base = newps; 437 data->p_mark = newps + i; 438 #endif 439 440 data->stacksize = newsize; 441 data->s_last = data->s_base + newsize - 1; 442 443 #if YYDEBUG 444 if (yydebug) 445 fprintf(stderr, "%sdebug: stack size increased to %d\n", YYPREFIX, newsize); 446 #endif 447 return 0; 448 } 449 450 #if YYPURE || defined(YY_NO_LEAKS) 451 static void yyfreestack(YYSTACKDATA *data) 452 { 453 free(data->s_base); 454 free(data->l_base); 455 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 456 free(data->p_base); 457 #endif 458 memset(data, 0, sizeof(*data)); 459 } 460 #else 461 #define yyfreestack(data) /* nothing */ 462 #endif /* YYPURE || defined(YY_NO_LEAKS) */ 463 #if YYBTYACC 464 465 static YYParseState * 466 yyNewState(unsigned size) 467 { 468 YYParseState *p = (YYParseState *) malloc(sizeof(YYParseState)); 469 if (p == NULL) return NULL; 470 471 p->yystack.stacksize = size; 472 if (size == 0) 473 { 474 p->yystack.s_base = NULL; 475 p->yystack.l_base = NULL; 476 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 477 p->yystack.p_base = NULL; 478 #endif 479 return p; 480 } 481 p->yystack.s_base = (YYINT *) malloc(size * sizeof(YYINT)); 482 if (p->yystack.s_base == NULL) return NULL; 483 p->yystack.l_base = (YYSTYPE *) malloc(size * sizeof(YYSTYPE)); 484 if (p->yystack.l_base == NULL) return NULL; 485 memset(p->yystack.l_base, 0, size * sizeof(YYSTYPE)); 486 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 487 p->yystack.p_base = (YYLTYPE *) malloc(size * sizeof(YYLTYPE)); 488 if (p->yystack.p_base == NULL) return NULL; 489 memset(p->yystack.p_base, 0, size * sizeof(YYLTYPE)); 490 #endif 491 492 return p; 493 } 494 495 static void 496 yyFreeState(YYParseState *p) 497 { 498 yyfreestack(&p->yystack); 499 free(p); 500 } 501 #endif /* YYBTYACC */ 502 503 #define YYABORT goto yyabort 504 #define YYREJECT goto yyabort 505 #define YYACCEPT goto yyaccept 506 #define YYERROR goto yyerrlab 507 #if YYBTYACC 508 #define YYVALID do { if (yyps->save) goto yyvalid; } while(0) 509 #define YYVALID_NESTED do { if (yyps->save && \ 510 yyps->save->save == 0) goto yyvalid; } while(0) 511 #endif /* YYBTYACC */ 512 513 int 514 YYPARSE_DECL() 515 { 516 int yym, yyn, yystate, yyresult; 517 #if YYBTYACC 518 int yynewerrflag; 519 YYParseState *yyerrctx = NULL; 520 #endif /* YYBTYACC */ 521 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 522 YYLTYPE yyerror_loc_range[3]; /* position of error start/end (0 unused) */ 523 #endif 524 #if YYDEBUG 525 const char *yys; 526 527 if ((yys = getenv("YYDEBUG")) != 0) 528 { 529 yyn = *yys; 530 if (yyn >= '0' && yyn <= '9') 531 yydebug = yyn - '0'; 532 } 533 if (yydebug) 534 fprintf(stderr, "%sdebug[<# of symbols on state stack>]\n", YYPREFIX); 535 #endif 536 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 537 memset(yyerror_loc_range, 0, sizeof(yyerror_loc_range)); 538 #endif 539 540 #if YYBTYACC 541 yyps = yyNewState(0); if (yyps == 0) goto yyenomem; 542 yyps->save = 0; 543 #endif /* YYBTYACC */ 544 yym = 0; 545 yyn = 0; 546 yynerrs = 0; 547 yyerrflag = 0; 548 yychar = YYEMPTY; 549 yystate = 0; 550 551 #if YYPURE 552 memset(&yystack, 0, sizeof(yystack)); 553 #endif 554 555 if (yystack.s_base == NULL && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow; 556 yystack.s_mark = yystack.s_base; 557 yystack.l_mark = yystack.l_base; 558 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 559 yystack.p_mark = yystack.p_base; 560 #endif 561 yystate = 0; 562 *yystack.s_mark = 0; 563 564 yyloop: 565 if ((yyn = yydefred[yystate]) != 0) goto yyreduce; 566 if (yychar < 0) 567 { 568 #if YYBTYACC 569 do { 570 if (yylvp < yylve) 571 { 572 /* we're currently re-reading tokens */ 573 yylval = *yylvp++; 574 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 575 yylloc = *yylpp++; 576 #endif 577 yychar = *yylexp++; 578 break; 579 } 580 if (yyps->save) 581 { 582 /* in trial mode; save scanner results for future parse attempts */ 583 if (yylvp == yylvlim) 584 { /* Enlarge lexical value queue */ 585 size_t p = (size_t) (yylvp - yylvals); 586 size_t s = (size_t) (yylvlim - yylvals); 587 588 s += YYLVQUEUEGROWTH; 589 if ((yylexemes = (YYINT *)realloc(yylexemes, s * sizeof(YYINT))) == NULL) goto yyenomem; 590 if ((yylvals = (YYSTYPE *)realloc(yylvals, s * sizeof(YYSTYPE))) == NULL) goto yyenomem; 591 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 592 if ((yylpsns = (YYLTYPE *)realloc(yylpsns, s * sizeof(YYLTYPE))) == NULL) goto yyenomem; 593 #endif 594 yylvp = yylve = yylvals + p; 595 yylvlim = yylvals + s; 596 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 597 yylpp = yylpe = yylpsns + p; 598 yylplim = yylpsns + s; 599 #endif 600 yylexp = yylexemes + p; 601 } 602 *yylexp = (YYINT) YYLEX; 603 *yylvp++ = yylval; 604 yylve++; 605 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 606 *yylpp++ = yylloc; 607 yylpe++; 608 #endif 609 yychar = *yylexp++; 610 break; 611 } 612 /* normal operation, no conflict encountered */ 613 #endif /* YYBTYACC */ 614 yychar = YYLEX; 615 #if YYBTYACC 616 } while (0); 617 #endif /* YYBTYACC */ 618 if (yychar < 0) yychar = YYEOF; 619 #if YYDEBUG 620 if (yydebug) 621 { 622 if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN]; 623 fprintf(stderr, "%s[%d]: state %d, reading token %d (%s)", 624 YYDEBUGSTR, yydepth, yystate, yychar, yys); 625 #ifdef YYSTYPE_TOSTRING 626 #if YYBTYACC 627 if (!yytrial) 628 #endif /* YYBTYACC */ 629 fprintf(stderr, " <%s>", YYSTYPE_TOSTRING(yychar, yylval)); 630 #endif 631 fputc('\n', stderr); 632 } 633 #endif 634 } 635 #if YYBTYACC 636 637 /* Do we have a conflict? */ 638 if (((yyn = yycindex[yystate]) != 0) && (yyn += yychar) >= 0 && 639 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar) 640 { 641 YYINT ctry; 642 643 if (yypath) 644 { 645 YYParseState *save; 646 #if YYDEBUG 647 if (yydebug) 648 fprintf(stderr, "%s[%d]: CONFLICT in state %d: following successful trial parse\n", 649 YYDEBUGSTR, yydepth, yystate); 650 #endif 651 /* Switch to the next conflict context */ 652 save = yypath; 653 yypath = save->save; 654 save->save = NULL; 655 ctry = save->ctry; 656 if (save->state != yystate) YYABORT; 657 yyFreeState(save); 658 659 } 660 else 661 { 662 663 /* Unresolved conflict - start/continue trial parse */ 664 YYParseState *save; 665 #if YYDEBUG 666 if (yydebug) 667 { 668 fprintf(stderr, "%s[%d]: CONFLICT in state %d. ", YYDEBUGSTR, yydepth, yystate); 669 if (yyps->save) 670 fputs("ALREADY in conflict, continuing trial parse.\n", stderr); 671 else 672 fputs("Starting trial parse.\n", stderr); 673 } 674 #endif 675 save = yyNewState((unsigned)(yystack.s_mark - yystack.s_base + 1)); 676 if (save == NULL) goto yyenomem; 677 save->save = yyps->save; 678 save->state = yystate; 679 save->errflag = yyerrflag; 680 save->yystack.s_mark = save->yystack.s_base + (yystack.s_mark - yystack.s_base); 681 memcpy (save->yystack.s_base, yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT)); 682 save->yystack.l_mark = save->yystack.l_base + (yystack.l_mark - yystack.l_base); 683 memcpy (save->yystack.l_base, yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE)); 684 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 685 save->yystack.p_mark = save->yystack.p_base + (yystack.p_mark - yystack.p_base); 686 memcpy (save->yystack.p_base, yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE)); 687 #endif 688 ctry = yytable[yyn]; 689 if (yyctable[ctry] == -1) 690 { 691 #if YYDEBUG 692 if (yydebug && yychar >= YYEOF) 693 fprintf(stderr, "%s[%d]: backtracking 1 token\n", YYDEBUGSTR, yydepth); 694 #endif 695 ctry++; 696 } 697 save->ctry = ctry; 698 if (yyps->save == NULL) 699 { 700 /* If this is a first conflict in the stack, start saving lexemes */ 701 if (!yylexemes) 702 { 703 yylexemes = (YYINT *) malloc((YYLVQUEUEGROWTH) * sizeof(YYINT)); 704 if (yylexemes == NULL) goto yyenomem; 705 yylvals = (YYSTYPE *) malloc((YYLVQUEUEGROWTH) * sizeof(YYSTYPE)); 706 if (yylvals == NULL) goto yyenomem; 707 yylvlim = yylvals + YYLVQUEUEGROWTH; 708 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 709 yylpsns = (YYLTYPE *) malloc((YYLVQUEUEGROWTH) * sizeof(YYLTYPE)); 710 if (yylpsns == NULL) goto yyenomem; 711 yylplim = yylpsns + YYLVQUEUEGROWTH; 712 #endif 713 } 714 if (yylvp == yylve) 715 { 716 yylvp = yylve = yylvals; 717 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 718 yylpp = yylpe = yylpsns; 719 #endif 720 yylexp = yylexemes; 721 if (yychar >= YYEOF) 722 { 723 *yylve++ = yylval; 724 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 725 *yylpe++ = yylloc; 726 #endif 727 *yylexp = (YYINT) yychar; 728 yychar = YYEMPTY; 729 } 730 } 731 } 732 if (yychar >= YYEOF) 733 { 734 yylvp--; 735 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 736 yylpp--; 737 #endif 738 yylexp--; 739 yychar = YYEMPTY; 740 } 741 save->lexeme = (int) (yylvp - yylvals); 742 yyps->save = save; 743 } 744 if (yytable[yyn] == ctry) 745 { 746 #if YYDEBUG 747 if (yydebug) 748 fprintf(stderr, "%s[%d]: state %d, shifting to state %d\n", 749 YYDEBUGSTR, yydepth, yystate, yyctable[ctry]); 750 #endif 751 if (yychar < 0) 752 { 753 yylvp++; 754 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 755 yylpp++; 756 #endif 757 yylexp++; 758 } 759 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) 760 goto yyoverflow; 761 yystate = yyctable[ctry]; 762 *++yystack.s_mark = (YYINT) yystate; 763 *++yystack.l_mark = yylval; 764 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 765 *++yystack.p_mark = yylloc; 766 #endif 767 yychar = YYEMPTY; 768 if (yyerrflag > 0) --yyerrflag; 769 goto yyloop; 770 } 771 else 772 { 773 yyn = yyctable[ctry]; 774 goto yyreduce; 775 } 776 } /* End of code dealing with conflicts */ 777 #endif /* YYBTYACC */ 778 if (((yyn = yysindex[yystate]) != 0) && (yyn += yychar) >= 0 && 779 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar) 780 { 781 #if YYDEBUG 782 if (yydebug) 783 fprintf(stderr, "%s[%d]: state %d, shifting to state %d\n", 784 YYDEBUGSTR, yydepth, yystate, yytable[yyn]); 785 #endif 786 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow; 787 yystate = yytable[yyn]; 788 *++yystack.s_mark = yytable[yyn]; 789 *++yystack.l_mark = yylval; 790 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 791 *++yystack.p_mark = yylloc; 792 #endif 793 yychar = YYEMPTY; 794 if (yyerrflag > 0) --yyerrflag; 795 goto yyloop; 796 } 797 if (((yyn = yyrindex[yystate]) != 0) && (yyn += yychar) >= 0 && 798 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar) 799 { 800 yyn = yytable[yyn]; 801 goto yyreduce; 802 } 803 if (yyerrflag != 0) goto yyinrecovery; 804 #if YYBTYACC 805 806 yynewerrflag = 1; 807 goto yyerrhandler; 808 goto yyerrlab; /* redundant goto avoids 'unused label' warning */ 809 810 yyerrlab: 811 /* explicit YYERROR from an action -- pop the rhs of the rule reduced 812 * before looking for error recovery */ 813 yystack.s_mark -= yym; 814 yystate = *yystack.s_mark; 815 yystack.l_mark -= yym; 816 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 817 yystack.p_mark -= yym; 818 #endif 819 820 yynewerrflag = 0; 821 yyerrhandler: 822 while (yyps->save) 823 { 824 int ctry; 825 YYParseState *save = yyps->save; 826 #if YYDEBUG 827 if (yydebug) 828 fprintf(stderr, "%s[%d]: ERROR in state %d, CONFLICT BACKTRACKING to state %d, %d tokens\n", 829 YYDEBUGSTR, yydepth, yystate, yyps->save->state, 830 (int)(yylvp - yylvals - yyps->save->lexeme)); 831 #endif 832 /* Memorize most forward-looking error state in case it's really an error. */ 833 if (yyerrctx == NULL || yyerrctx->lexeme < yylvp - yylvals) 834 { 835 /* Free old saved error context state */ 836 if (yyerrctx) yyFreeState(yyerrctx); 837 /* Create and fill out new saved error context state */ 838 yyerrctx = yyNewState((unsigned)(yystack.s_mark - yystack.s_base + 1)); 839 if (yyerrctx == NULL) goto yyenomem; 840 yyerrctx->save = yyps->save; 841 yyerrctx->state = yystate; 842 yyerrctx->errflag = yyerrflag; 843 yyerrctx->yystack.s_mark = yyerrctx->yystack.s_base + (yystack.s_mark - yystack.s_base); 844 memcpy (yyerrctx->yystack.s_base, yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT)); 845 yyerrctx->yystack.l_mark = yyerrctx->yystack.l_base + (yystack.l_mark - yystack.l_base); 846 memcpy (yyerrctx->yystack.l_base, yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE)); 847 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 848 yyerrctx->yystack.p_mark = yyerrctx->yystack.p_base + (yystack.p_mark - yystack.p_base); 849 memcpy (yyerrctx->yystack.p_base, yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE)); 850 #endif 851 yyerrctx->lexeme = (int) (yylvp - yylvals); 852 } 853 yylvp = yylvals + save->lexeme; 854 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 855 yylpp = yylpsns + save->lexeme; 856 #endif 857 yylexp = yylexemes + save->lexeme; 858 yychar = YYEMPTY; 859 yystack.s_mark = yystack.s_base + (save->yystack.s_mark - save->yystack.s_base); 860 memcpy (yystack.s_base, save->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT)); 861 yystack.l_mark = yystack.l_base + (save->yystack.l_mark - save->yystack.l_base); 862 memcpy (yystack.l_base, save->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE)); 863 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 864 yystack.p_mark = yystack.p_base + (save->yystack.p_mark - save->yystack.p_base); 865 memcpy (yystack.p_base, save->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE)); 866 #endif 867 ctry = ++save->ctry; 868 yystate = save->state; 869 /* We tried shift, try reduce now */ 870 if ((yyn = yyctable[ctry]) >= 0) goto yyreduce; 871 yyps->save = save->save; 872 save->save = NULL; 873 yyFreeState(save); 874 875 /* Nothing left on the stack -- error */ 876 if (!yyps->save) 877 { 878 #if YYDEBUG 879 if (yydebug) 880 fprintf(stderr, "%sdebug[%d,trial]: trial parse FAILED, entering ERROR mode\n", 881 YYPREFIX, yydepth); 882 #endif 883 /* Restore state as it was in the most forward-advanced error */ 884 yylvp = yylvals + yyerrctx->lexeme; 885 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 886 yylpp = yylpsns + yyerrctx->lexeme; 887 #endif 888 yylexp = yylexemes + yyerrctx->lexeme; 889 yychar = yylexp[-1]; 890 yylval = yylvp[-1]; 891 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 892 yylloc = yylpp[-1]; 893 #endif 894 yystack.s_mark = yystack.s_base + (yyerrctx->yystack.s_mark - yyerrctx->yystack.s_base); 895 memcpy (yystack.s_base, yyerrctx->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT)); 896 yystack.l_mark = yystack.l_base + (yyerrctx->yystack.l_mark - yyerrctx->yystack.l_base); 897 memcpy (yystack.l_base, yyerrctx->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE)); 898 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 899 yystack.p_mark = yystack.p_base + (yyerrctx->yystack.p_mark - yyerrctx->yystack.p_base); 900 memcpy (yystack.p_base, yyerrctx->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE)); 901 #endif 902 yystate = yyerrctx->state; 903 yyFreeState(yyerrctx); 904 yyerrctx = NULL; 905 } 906 yynewerrflag = 1; 907 } 908 if (yynewerrflag == 0) goto yyinrecovery; 909 #endif /* YYBTYACC */ 910 911 YYERROR_CALL("syntax error"); 912 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 913 yyerror_loc_range[1] = yylloc; /* lookahead position is error start position */ 914 #endif 915 916 #if !YYBTYACC 917 goto yyerrlab; /* redundant goto avoids 'unused label' warning */ 918 yyerrlab: 919 #endif 920 ++yynerrs; 921 922 yyinrecovery: 923 if (yyerrflag < 3) 924 { 925 yyerrflag = 3; 926 for (;;) 927 { 928 if (((yyn = yysindex[*yystack.s_mark]) != 0) && (yyn += YYERRCODE) >= 0 && 929 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) YYERRCODE) 930 { 931 #if YYDEBUG 932 if (yydebug) 933 fprintf(stderr, "%s[%d]: state %d, error recovery shifting to state %d\n", 934 YYDEBUGSTR, yydepth, *yystack.s_mark, yytable[yyn]); 935 #endif 936 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow; 937 yystate = yytable[yyn]; 938 *++yystack.s_mark = yytable[yyn]; 939 *++yystack.l_mark = yylval; 940 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 941 /* lookahead position is error end position */ 942 yyerror_loc_range[2] = yylloc; 943 YYLLOC_DEFAULT(yyloc, yyerror_loc_range, 2); /* position of error span */ 944 *++yystack.p_mark = yyloc; 945 #endif 946 goto yyloop; 947 } 948 else 949 { 950 #if YYDEBUG 951 if (yydebug) 952 fprintf(stderr, "%s[%d]: error recovery discarding state %d\n", 953 YYDEBUGSTR, yydepth, *yystack.s_mark); 954 #endif 955 if (yystack.s_mark <= yystack.s_base) goto yyabort; 956 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 957 /* the current TOS position is the error start position */ 958 yyerror_loc_range[1] = *yystack.p_mark; 959 #endif 960 #if defined(YYDESTRUCT_CALL) 961 #if YYBTYACC 962 if (!yytrial) 963 #endif /* YYBTYACC */ 964 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 965 YYDESTRUCT_CALL("error: discarding state", 966 yystos[*yystack.s_mark], yystack.l_mark, yystack.p_mark); 967 #else 968 YYDESTRUCT_CALL("error: discarding state", 969 yystos[*yystack.s_mark], yystack.l_mark); 970 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */ 971 #endif /* defined(YYDESTRUCT_CALL) */ 972 --yystack.s_mark; 973 --yystack.l_mark; 974 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 975 --yystack.p_mark; 976 #endif 977 } 978 } 979 } 980 else 981 { 982 if (yychar == YYEOF) goto yyabort; 983 #if YYDEBUG 984 if (yydebug) 985 { 986 if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN]; 987 fprintf(stderr, "%s[%d]: state %d, error recovery discarding token %d (%s)\n", 988 YYDEBUGSTR, yydepth, yystate, yychar, yys); 989 } 990 #endif 991 #if defined(YYDESTRUCT_CALL) 992 #if YYBTYACC 993 if (!yytrial) 994 #endif /* YYBTYACC */ 995 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 996 YYDESTRUCT_CALL("error: discarding token", yychar, &yylval, &yylloc); 997 #else 998 YYDESTRUCT_CALL("error: discarding token", yychar, &yylval); 999 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */ 1000 #endif /* defined(YYDESTRUCT_CALL) */ 1001 yychar = YYEMPTY; 1002 goto yyloop; 1003 } 1004 1005 yyreduce: 1006 yym = yylen[yyn]; 1007 #if YYDEBUG 1008 if (yydebug) 1009 { 1010 fprintf(stderr, "%s[%d]: state %d, reducing by rule %d (%s)", 1011 YYDEBUGSTR, yydepth, yystate, yyn, yyrule[yyn]); 1012 #ifdef YYSTYPE_TOSTRING 1013 #if YYBTYACC 1014 if (!yytrial) 1015 #endif /* YYBTYACC */ 1016 if (yym > 0) 1017 { 1018 int i; 1019 fputc('<', stderr); 1020 for (i = yym; i > 0; i--) 1021 { 1022 if (i != yym) fputs(", ", stderr); 1023 fputs(YYSTYPE_TOSTRING(yystos[yystack.s_mark[1-i]], 1024 yystack.l_mark[1-i]), stderr); 1025 } 1026 fputc('>', stderr); 1027 } 1028 #endif 1029 fputc('\n', stderr); 1030 } 1031 #endif 1032 if (yym > 0) 1033 yyval = yystack.l_mark[1-yym]; 1034 else 1035 memset(&yyval, 0, sizeof yyval); 1036 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 1037 1038 /* Perform position reduction */ 1039 memset(&yyloc, 0, sizeof(yyloc)); 1040 #if YYBTYACC 1041 if (!yytrial) 1042 #endif /* YYBTYACC */ 1043 { 1044 YYLLOC_DEFAULT(yyloc, &yystack.p_mark[-yym], yym); 1045 /* just in case YYERROR is invoked within the action, save 1046 the start of the rhs as the error start position */ 1047 yyerror_loc_range[1] = yystack.p_mark[1-yym]; 1048 } 1049 #endif 1050 1051 switch (yyn) 1052 { 1053 case 3: 1054 #line 32 "code_calc.y" 1055 { yyerrok ; } 1056 break; 1057 case 4: 1058 #line 36 "code_calc.y" 1059 { printf("%d\n",yystack.l_mark[0]);} 1060 break; 1061 case 5: 1062 #line 38 "code_calc.y" 1063 { regs[yystack.l_mark[-2]] = yystack.l_mark[0]; } 1064 break; 1065 case 6: 1066 #line 42 "code_calc.y" 1067 { yyval = yystack.l_mark[-1]; } 1068 break; 1069 case 7: 1070 #line 44 "code_calc.y" 1071 { yyval = yystack.l_mark[-2] + yystack.l_mark[0]; } 1072 break; 1073 case 8: 1074 #line 46 "code_calc.y" 1075 { yyval = yystack.l_mark[-2] - yystack.l_mark[0]; } 1076 break; 1077 case 9: 1078 #line 48 "code_calc.y" 1079 { yyval = yystack.l_mark[-2] * yystack.l_mark[0]; } 1080 break; 1081 case 10: 1082 #line 50 "code_calc.y" 1083 { yyval = yystack.l_mark[-2] / yystack.l_mark[0]; } 1084 break; 1085 case 11: 1086 #line 52 "code_calc.y" 1087 { yyval = yystack.l_mark[-2] % yystack.l_mark[0]; } 1088 break; 1089 case 12: 1090 #line 54 "code_calc.y" 1091 { yyval = yystack.l_mark[-2] & yystack.l_mark[0]; } 1092 break; 1093 case 13: 1094 #line 56 "code_calc.y" 1095 { yyval = yystack.l_mark[-2] | yystack.l_mark[0]; } 1096 break; 1097 case 14: 1098 #line 58 "code_calc.y" 1099 { yyval = - yystack.l_mark[0]; } 1100 break; 1101 case 15: 1102 #line 60 "code_calc.y" 1103 { yyval = regs[yystack.l_mark[0]]; } 1104 break; 1105 case 17: 1106 #line 65 "code_calc.y" 1107 { yyval = yystack.l_mark[0]; base = (yystack.l_mark[0]==0) ? 8 : 10; } 1108 break; 1109 case 18: 1110 #line 67 "code_calc.y" 1111 { yyval = base * yystack.l_mark[-1] + yystack.l_mark[0]; } 1112 break; 1113 #line 1114 "code_calc.code.c" 1114 default: 1115 break; 1116 } 1117 yystack.s_mark -= yym; 1118 yystate = *yystack.s_mark; 1119 yystack.l_mark -= yym; 1120 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 1121 yystack.p_mark -= yym; 1122 #endif 1123 yym = yylhs[yyn]; 1124 if (yystate == 0 && yym == 0) 1125 { 1126 #if YYDEBUG 1127 if (yydebug) 1128 { 1129 fprintf(stderr, "%s[%d]: after reduction, ", YYDEBUGSTR, yydepth); 1130 #ifdef YYSTYPE_TOSTRING 1131 #if YYBTYACC 1132 if (!yytrial) 1133 #endif /* YYBTYACC */ 1134 fprintf(stderr, "result is <%s>, ", YYSTYPE_TOSTRING(yystos[YYFINAL], yyval)); 1135 #endif 1136 fprintf(stderr, "shifting from state 0 to final state %d\n", YYFINAL); 1137 } 1138 #endif 1139 yystate = YYFINAL; 1140 *++yystack.s_mark = YYFINAL; 1141 *++yystack.l_mark = yyval; 1142 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 1143 *++yystack.p_mark = yyloc; 1144 #endif 1145 if (yychar < 0) 1146 { 1147 #if YYBTYACC 1148 do { 1149 if (yylvp < yylve) 1150 { 1151 /* we're currently re-reading tokens */ 1152 yylval = *yylvp++; 1153 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 1154 yylloc = *yylpp++; 1155 #endif 1156 yychar = *yylexp++; 1157 break; 1158 } 1159 if (yyps->save) 1160 { 1161 /* in trial mode; save scanner results for future parse attempts */ 1162 if (yylvp == yylvlim) 1163 { /* Enlarge lexical value queue */ 1164 size_t p = (size_t) (yylvp - yylvals); 1165 size_t s = (size_t) (yylvlim - yylvals); 1166 1167 s += YYLVQUEUEGROWTH; 1168 if ((yylexemes = (YYINT *)realloc(yylexemes, s * sizeof(YYINT))) == NULL) 1169 goto yyenomem; 1170 if ((yylvals = (YYSTYPE *)realloc(yylvals, s * sizeof(YYSTYPE))) == NULL) 1171 goto yyenomem; 1172 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 1173 if ((yylpsns = (YYLTYPE *)realloc(yylpsns, s * sizeof(YYLTYPE))) == NULL) 1174 goto yyenomem; 1175 #endif 1176 yylvp = yylve = yylvals + p; 1177 yylvlim = yylvals + s; 1178 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 1179 yylpp = yylpe = yylpsns + p; 1180 yylplim = yylpsns + s; 1181 #endif 1182 yylexp = yylexemes + p; 1183 } 1184 *yylexp = (YYINT) YYLEX; 1185 *yylvp++ = yylval; 1186 yylve++; 1187 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 1188 *yylpp++ = yylloc; 1189 yylpe++; 1190 #endif 1191 yychar = *yylexp++; 1192 break; 1193 } 1194 /* normal operation, no conflict encountered */ 1195 #endif /* YYBTYACC */ 1196 yychar = YYLEX; 1197 #if YYBTYACC 1198 } while (0); 1199 #endif /* YYBTYACC */ 1200 if (yychar < 0) yychar = YYEOF; 1201 #if YYDEBUG 1202 if (yydebug) 1203 { 1204 if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN]; 1205 fprintf(stderr, "%s[%d]: state %d, reading token %d (%s)\n", 1206 YYDEBUGSTR, yydepth, YYFINAL, yychar, yys); 1207 } 1208 #endif 1209 } 1210 if (yychar == YYEOF) goto yyaccept; 1211 goto yyloop; 1212 } 1213 if (((yyn = yygindex[yym]) != 0) && (yyn += yystate) >= 0 && 1214 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yystate) 1215 yystate = yytable[yyn]; 1216 else 1217 yystate = yydgoto[yym]; 1218 #if YYDEBUG 1219 if (yydebug) 1220 { 1221 fprintf(stderr, "%s[%d]: after reduction, ", YYDEBUGSTR, yydepth); 1222 #ifdef YYSTYPE_TOSTRING 1223 #if YYBTYACC 1224 if (!yytrial) 1225 #endif /* YYBTYACC */ 1226 fprintf(stderr, "result is <%s>, ", YYSTYPE_TOSTRING(yystos[yystate], yyval)); 1227 #endif 1228 fprintf(stderr, "shifting from state %d to state %d\n", *yystack.s_mark, yystate); 1229 } 1230 #endif 1231 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow; 1232 *++yystack.s_mark = (YYINT) yystate; 1233 *++yystack.l_mark = yyval; 1234 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 1235 *++yystack.p_mark = yyloc; 1236 #endif 1237 goto yyloop; 1238 #if YYBTYACC 1239 1240 /* Reduction declares that this path is valid. Set yypath and do a full parse */ 1241 yyvalid: 1242 if (yypath) YYABORT; 1243 while (yyps->save) 1244 { 1245 YYParseState *save = yyps->save; 1246 yyps->save = save->save; 1247 save->save = yypath; 1248 yypath = save; 1249 } 1250 #if YYDEBUG 1251 if (yydebug) 1252 fprintf(stderr, "%s[%d]: state %d, CONFLICT trial successful, backtracking to state %d, %d tokens\n", 1253 YYDEBUGSTR, yydepth, yystate, yypath->state, (int)(yylvp - yylvals - yypath->lexeme)); 1254 #endif 1255 if (yyerrctx) 1256 { 1257 yyFreeState(yyerrctx); 1258 yyerrctx = NULL; 1259 } 1260 yylvp = yylvals + yypath->lexeme; 1261 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 1262 yylpp = yylpsns + yypath->lexeme; 1263 #endif 1264 yylexp = yylexemes + yypath->lexeme; 1265 yychar = YYEMPTY; 1266 yystack.s_mark = yystack.s_base + (yypath->yystack.s_mark - yypath->yystack.s_base); 1267 memcpy (yystack.s_base, yypath->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT)); 1268 yystack.l_mark = yystack.l_base + (yypath->yystack.l_mark - yypath->yystack.l_base); 1269 memcpy (yystack.l_base, yypath->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE)); 1270 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 1271 yystack.p_mark = yystack.p_base + (yypath->yystack.p_mark - yypath->yystack.p_base); 1272 memcpy (yystack.p_base, yypath->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE)); 1273 #endif 1274 yystate = yypath->state; 1275 goto yyloop; 1276 #endif /* YYBTYACC */ 1277 1278 yyoverflow: 1279 YYERROR_CALL("yacc stack overflow"); 1280 #if YYBTYACC 1281 goto yyabort_nomem; 1282 yyenomem: 1283 YYERROR_CALL("memory exhausted"); 1284 yyabort_nomem: 1285 #endif /* YYBTYACC */ 1286 yyresult = 2; 1287 goto yyreturn; 1288 1289 yyabort: 1290 yyresult = 1; 1291 goto yyreturn; 1292 1293 yyaccept: 1294 #if YYBTYACC 1295 if (yyps->save) goto yyvalid; 1296 #endif /* YYBTYACC */ 1297 yyresult = 0; 1298 1299 yyreturn: 1300 #if defined(YYDESTRUCT_CALL) 1301 if (yychar != YYEOF && yychar != YYEMPTY) 1302 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 1303 YYDESTRUCT_CALL("cleanup: discarding token", yychar, &yylval, &yylloc); 1304 #else 1305 YYDESTRUCT_CALL("cleanup: discarding token", yychar, &yylval); 1306 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */ 1307 1308 { 1309 YYSTYPE *pv; 1310 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 1311 YYLTYPE *pp; 1312 1313 for (pv = yystack.l_base, pp = yystack.p_base; pv <= yystack.l_mark; ++pv, ++pp) 1314 YYDESTRUCT_CALL("cleanup: discarding state", 1315 yystos[*(yystack.s_base + (pv - yystack.l_base))], pv, pp); 1316 #else 1317 for (pv = yystack.l_base; pv <= yystack.l_mark; ++pv) 1318 YYDESTRUCT_CALL("cleanup: discarding state", 1319 yystos[*(yystack.s_base + (pv - yystack.l_base))], pv); 1320 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */ 1321 } 1322 #endif /* defined(YYDESTRUCT_CALL) */ 1323 1324 #if YYBTYACC 1325 if (yyerrctx) 1326 { 1327 yyFreeState(yyerrctx); 1328 yyerrctx = NULL; 1329 } 1330 while (yyps) 1331 { 1332 YYParseState *save = yyps; 1333 yyps = save->save; 1334 save->save = NULL; 1335 yyFreeState(save); 1336 } 1337 while (yypath) 1338 { 1339 YYParseState *save = yypath; 1340 yypath = save->save; 1341 save->save = NULL; 1342 yyFreeState(save); 1343 } 1344 #endif /* YYBTYACC */ 1345 yyfreestack(&yystack); 1346 return (yyresult); 1347 } 1348