1/* A Bison parser, made by GNU Bison 2.3. */ 2 3/* Skeleton implementation for Bison's Yacc-like parsers in C 4 5 Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006 6 Free Software Foundation, Inc. 7 8 This program is free software; you can redistribute it and/or modify 9 it under the terms of the GNU General Public License as published by 10 the Free Software Foundation; either version 2, or (at your option) 11 any later version. 12 13 This program is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with this program; if not, write to the Free Software 20 Foundation, Inc., 51 Franklin Street, Fifth Floor, 21 Boston, MA 02110-1301, USA. */ 22 23/* As a special exception, you may create a larger work that contains 24 part or all of the Bison parser skeleton and distribute that work 25 under terms of your choice, so long as that work isn't itself a 26 parser generator using the skeleton or a modified version thereof 27 as a parser skeleton. Alternatively, if you modify or redistribute 28 the parser skeleton itself, you may (at your option) remove this 29 special exception, which will cause the skeleton and the resulting 30 Bison output files to be licensed under the GNU General Public 31 License without this special exception. 32 33 This special exception was added by the Free Software Foundation in 34 version 2.2 of Bison. */ 35 36/* C LALR(1) parser skeleton written by Richard Stallman, by 37 simplifying the original so-called "semantic" parser. */ 38 39/* All symbols defined below should begin with yy or YY, to avoid 40 infringing on user name space. This should be done even for local 41 variables, as they might otherwise be expanded by user macros. 42 There are some unavoidable exceptions within include files to 43 define necessary library symbols; they are noted "INFRINGES ON 44 USER NAME SPACE" below. */ 45 46/* Identify Bison output. */ 47#define YYBISON 1 48 49/* Bison version. */ 50#define YYBISON_VERSION "2.3" 51 52/* Skeleton name. */ 53#define YYSKELETON_NAME "yacc.c" 54 55/* Pure parsers. */ 56#define YYPURE 0 57 58/* Using locations. */ 59#define YYLSP_NEEDED 0 60 61 62 63/* Tokens. */ 64#ifndef YYTOKENTYPE 65# define YYTOKENTYPE 66 /* Put the tokens into the symbol table, so that GDB and other debuggers 67 know about them. */ 68 enum yytokentype { 69 ET = 258, 70 INDEX = 259, 71 PREFIX = 260, 72 EC = 261, 73 ID = 262, 74 END = 263, 75 STRING = 264, 76 NUMBER = 265 77 }; 78#endif 79/* Tokens. */ 80#define ET 258 81#define INDEX 259 82#define PREFIX 260 83#define EC 261 84#define ID 262 85#define END 263 86#define STRING 264 87#define NUMBER 265 88 89 90 91 92/* Copy the first part of user declarations. */ 93#line 1 "parse.y" 94 95/* 96 * Copyright (c) 1998 - 2000 Kungliga Tekniska H�gskolan 97 * (Royal Institute of Technology, Stockholm, Sweden). 98 * All rights reserved. 99 * 100 * Redistribution and use in source and binary forms, with or without 101 * modification, are permitted provided that the following conditions 102 * are met: 103 * 104 * 1. Redistributions of source code must retain the above copyright 105 * notice, this list of conditions and the following disclaimer. 106 * 107 * 2. Redistributions in binary form must reproduce the above copyright 108 * notice, this list of conditions and the following disclaimer in the 109 * documentation and/or other materials provided with the distribution. 110 * 111 * 3. Neither the name of the Institute nor the names of its contributors 112 * may be used to endorse or promote products derived from this software 113 * without specific prior written permission. 114 * 115 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 116 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 117 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 118 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 119 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 120 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 121 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 122 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 123 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 124 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 125 * SUCH DAMAGE. 126 */ 127 128#include "compile_et.h" 129#include "lex.h" 130 131RCSID("$Id: parse.y 15426 2005-06-16 19:21:42Z lha $"); 132 133void yyerror (char *s); 134static long name2number(const char *str); 135 136extern char *yytext; 137 138/* This is for bison */ 139 140#if !defined(alloca) && !defined(HAVE_ALLOCA) 141#define alloca(x) malloc(x) 142#endif 143 144 145 146/* Enabling traces. */ 147#ifndef YYDEBUG 148# define YYDEBUG 0 149#endif 150 151/* Enabling verbose error messages. */ 152#ifdef YYERROR_VERBOSE 153# undef YYERROR_VERBOSE 154# define YYERROR_VERBOSE 1 155#else 156# define YYERROR_VERBOSE 0 157#endif 158 159/* Enabling the token table. */ 160#ifndef YYTOKEN_TABLE 161# define YYTOKEN_TABLE 0 162#endif 163 164#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED 165typedef union YYSTYPE 166#line 53 "parse.y" 167{ 168 char *string; 169 int number; 170} 171/* Line 193 of yacc.c. */ 172#line 173 "parse.c" 173 YYSTYPE; 174# define yystype YYSTYPE /* obsolescent; will be withdrawn */ 175# define YYSTYPE_IS_DECLARED 1 176# define YYSTYPE_IS_TRIVIAL 1 177#endif 178 179 180 181/* Copy the second part of user declarations. */ 182 183 184/* Line 216 of yacc.c. */ 185#line 186 "parse.c" 186 187#ifdef short 188# undef short 189#endif 190 191#ifdef YYTYPE_UINT8 192typedef YYTYPE_UINT8 yytype_uint8; 193#else 194typedef unsigned char yytype_uint8; 195#endif 196 197#ifdef YYTYPE_INT8 198typedef YYTYPE_INT8 yytype_int8; 199#elif (defined __STDC__ || defined __C99__FUNC__ \ 200 || defined __cplusplus || defined _MSC_VER) 201typedef signed char yytype_int8; 202#else 203typedef short int yytype_int8; 204#endif 205 206#ifdef YYTYPE_UINT16 207typedef YYTYPE_UINT16 yytype_uint16; 208#else 209typedef unsigned short int yytype_uint16; 210#endif 211 212#ifdef YYTYPE_INT16 213typedef YYTYPE_INT16 yytype_int16; 214#else 215typedef short int yytype_int16; 216#endif 217 218#ifndef YYSIZE_T 219# ifdef __SIZE_TYPE__ 220# define YYSIZE_T __SIZE_TYPE__ 221# elif defined size_t 222# define YYSIZE_T size_t 223# elif ! defined YYSIZE_T && (defined __STDC__ || defined __C99__FUNC__ \ 224 || defined __cplusplus || defined _MSC_VER) 225# include <stddef.h> /* INFRINGES ON USER NAME SPACE */ 226# define YYSIZE_T size_t 227# else 228# define YYSIZE_T unsigned int 229# endif 230#endif 231 232#define YYSIZE_MAXIMUM ((YYSIZE_T) -1) 233 234#ifndef YY_ 235# if defined YYENABLE_NLS && YYENABLE_NLS 236# if ENABLE_NLS 237# include <libintl.h> /* INFRINGES ON USER NAME SPACE */ 238# define YY_(msgid) dgettext ("bison-runtime", msgid) 239# endif 240# endif 241# ifndef YY_ 242# define YY_(msgid) msgid 243# endif 244#endif 245 246/* Suppress unused-variable warnings by "using" E. */ 247#if ! defined lint || defined __GNUC__ 248# define YYUSE(e) ((void) (e)) 249#else 250# define YYUSE(e) /* empty */ 251#endif 252 253/* Identity function, used to suppress warnings about constant conditions. */ 254#ifndef lint 255# define YYID(n) (n) 256#else 257#if (defined __STDC__ || defined __C99__FUNC__ \ 258 || defined __cplusplus || defined _MSC_VER) 259static int 260YYID (int i) 261#else 262static int 263YYID (i) 264 int i; 265#endif 266{ 267 return i; 268} 269#endif 270 271#if ! defined yyoverflow || YYERROR_VERBOSE 272 273/* The parser invokes alloca or malloc; define the necessary symbols. */ 274 275# ifdef YYSTACK_USE_ALLOCA 276# if YYSTACK_USE_ALLOCA 277# ifdef __GNUC__ 278# define YYSTACK_ALLOC __builtin_alloca 279# elif defined __BUILTIN_VA_ARG_INCR 280# include <alloca.h> /* INFRINGES ON USER NAME SPACE */ 281# elif defined _AIX 282# define YYSTACK_ALLOC __alloca 283# elif defined _MSC_VER 284# include <malloc.h> /* INFRINGES ON USER NAME SPACE */ 285# define alloca _alloca 286# else 287# define YYSTACK_ALLOC alloca 288# if ! defined _ALLOCA_H && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ 289 || defined __cplusplus || defined _MSC_VER) 290# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */ 291# ifndef _STDLIB_H 292# define _STDLIB_H 1 293# endif 294# endif 295# endif 296# endif 297# endif 298 299# ifdef YYSTACK_ALLOC 300 /* Pacify GCC's `empty if-body' warning. */ 301# define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0)) 302# ifndef YYSTACK_ALLOC_MAXIMUM 303 /* The OS might guarantee only one guard page at the bottom of the stack, 304 and a page size can be as small as 4096 bytes. So we cannot safely 305 invoke alloca (N) if N exceeds 4096. Use a slightly smaller number 306 to allow for a few compiler-allocated temporary stack slots. */ 307# define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */ 308# endif 309# else 310# define YYSTACK_ALLOC YYMALLOC 311# define YYSTACK_FREE YYFREE 312# ifndef YYSTACK_ALLOC_MAXIMUM 313# define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM 314# endif 315# if (defined __cplusplus && ! defined _STDLIB_H \ 316 && ! ((defined YYMALLOC || defined malloc) \ 317 && (defined YYFREE || defined free))) 318# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */ 319# ifndef _STDLIB_H 320# define _STDLIB_H 1 321# endif 322# endif 323# ifndef YYMALLOC 324# define YYMALLOC malloc 325# if ! defined malloc && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ 326 || defined __cplusplus || defined _MSC_VER) 327void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */ 328# endif 329# endif 330# ifndef YYFREE 331# define YYFREE free 332# if ! defined free && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ 333 || defined __cplusplus || defined _MSC_VER) 334void free (void *); /* INFRINGES ON USER NAME SPACE */ 335# endif 336# endif 337# endif 338#endif /* ! defined yyoverflow || YYERROR_VERBOSE */ 339 340 341#if (! defined yyoverflow \ 342 && (! defined __cplusplus \ 343 || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL))) 344 345/* A type that is properly aligned for any stack member. */ 346union yyalloc 347{ 348 yytype_int16 yyss; 349 YYSTYPE yyvs; 350 }; 351 352/* The size of the maximum gap between one aligned stack and the next. */ 353# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1) 354 355/* The size of an array large to enough to hold all stacks, each with 356 N elements. */ 357# define YYSTACK_BYTES(N) \ 358 ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \ 359 + YYSTACK_GAP_MAXIMUM) 360 361/* Copy COUNT objects from FROM to TO. The source and destination do 362 not overlap. */ 363# ifndef YYCOPY 364# if defined __GNUC__ && 1 < __GNUC__ 365# define YYCOPY(To, From, Count) \ 366 __builtin_memcpy (To, From, (Count) * sizeof (*(From))) 367# else 368# define YYCOPY(To, From, Count) \ 369 do \ 370 { \ 371 YYSIZE_T yyi; \ 372 for (yyi = 0; yyi < (Count); yyi++) \ 373 (To)[yyi] = (From)[yyi]; \ 374 } \ 375 while (YYID (0)) 376# endif 377# endif 378 379/* Relocate STACK from its old location to the new one. The 380 local variables YYSIZE and YYSTACKSIZE give the old and new number of 381 elements in the stack, and YYPTR gives the new location of the 382 stack. Advance YYPTR to a properly aligned location for the next 383 stack. */ 384# define YYSTACK_RELOCATE(Stack) \ 385 do \ 386 { \ 387 YYSIZE_T yynewbytes; \ 388 YYCOPY (&yyptr->Stack, Stack, yysize); \ 389 Stack = &yyptr->Stack; \ 390 yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \ 391 yyptr += yynewbytes / sizeof (*yyptr); \ 392 } \ 393 while (YYID (0)) 394 395#endif 396 397/* YYFINAL -- State number of the termination state. */ 398#define YYFINAL 9 399/* YYLAST -- Last index in YYTABLE. */ 400#define YYLAST 23 401 402/* YYNTOKENS -- Number of terminals. */ 403#define YYNTOKENS 12 404/* YYNNTS -- Number of nonterminals. */ 405#define YYNNTS 7 406/* YYNRULES -- Number of rules. */ 407#define YYNRULES 15 408/* YYNRULES -- Number of states. */ 409#define YYNSTATES 24 410 411/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */ 412#define YYUNDEFTOK 2 413#define YYMAXUTOK 265 414 415#define YYTRANSLATE(YYX) \ 416 ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) 417 418/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */ 419static const yytype_uint8 yytranslate[] = 420{ 421 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 422 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 423 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 424 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 425 2, 2, 2, 2, 11, 2, 2, 2, 2, 2, 426 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 427 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 428 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 429 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 430 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 431 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 432 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 433 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 434 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 435 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 436 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 437 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 438 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 439 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 440 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 441 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 442 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 443 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 444 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 445 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 446 2, 2, 2, 2, 2, 2, 1, 2, 3, 4, 447 5, 6, 7, 8, 9, 10 448}; 449 450#if YYDEBUG 451/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in 452 YYRHS. */ 453static const yytype_uint8 yyprhs[] = 454{ 455 0, 0, 3, 4, 7, 10, 12, 15, 18, 22, 456 24, 27, 30, 33, 35, 40 457}; 458 459/* YYRHS -- A `-1'-separated list of the rules' RHS. */ 460static const yytype_int8 yyrhs[] = 461{ 462 13, 0, -1, -1, 14, 17, -1, 15, 16, -1, 463 16, -1, 7, 9, -1, 3, 9, -1, 3, 9, 464 9, -1, 18, -1, 17, 18, -1, 4, 10, -1, 465 5, 9, -1, 5, -1, 6, 9, 11, 9, -1, 466 8, -1 467}; 468 469/* YYRLINE[YYN] -- source line where rule number YYN was defined. */ 470static const yytype_uint8 yyrline[] = 471{ 472 0, 64, 64, 65, 68, 69, 72, 78, 84, 93, 473 94, 97, 101, 109, 116, 136 474}; 475#endif 476 477#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE 478/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. 479 First, the terminals, then, starting at YYNTOKENS, nonterminals. */ 480static const char *const yytname[] = 481{ 482 "$end", "error", "$undefined", "ET", "INDEX", "PREFIX", "EC", "ID", 483 "END", "STRING", "NUMBER", "','", "$accept", "file", "header", "id", 484 "et", "statements", "statement", 0 485}; 486#endif 487 488# ifdef YYPRINT 489/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to 490 token YYLEX-NUM. */ 491static const yytype_uint16 yytoknum[] = 492{ 493 0, 256, 257, 258, 259, 260, 261, 262, 263, 264, 494 265, 44 495}; 496# endif 497 498/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ 499static const yytype_uint8 yyr1[] = 500{ 501 0, 12, 13, 13, 14, 14, 15, 16, 16, 17, 502 17, 18, 18, 18, 18, 18 503}; 504 505/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ 506static const yytype_uint8 yyr2[] = 507{ 508 0, 2, 0, 2, 2, 1, 2, 2, 3, 1, 509 2, 2, 2, 1, 4, 1 510}; 511 512/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state 513 STATE-NUM when YYTABLE doesn't specify something else to do. Zero 514 means the default is an error. */ 515static const yytype_uint8 yydefact[] = 516{ 517 2, 0, 0, 0, 0, 0, 5, 7, 6, 1, 518 0, 13, 0, 15, 3, 9, 4, 8, 11, 12, 519 0, 10, 0, 14 520}; 521 522/* YYDEFGOTO[NTERM-NUM]. */ 523static const yytype_int8 yydefgoto[] = 524{ 525 -1, 3, 4, 5, 6, 14, 15 526}; 527 528/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing 529 STATE-NUM. */ 530#define YYPACT_NINF -5 531static const yytype_int8 yypact[] = 532{ 533 0, -3, -1, 5, -4, 6, -5, 1, -5, -5, 534 2, 4, 7, -5, -4, -5, -5, -5, -5, -5, 535 3, -5, 8, -5 536}; 537 538/* YYPGOTO[NTERM-NUM]. */ 539static const yytype_int8 yypgoto[] = 540{ 541 -5, -5, -5, -5, 10, -5, 9 542}; 543 544/* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If 545 positive, shift that token. If negative, reduce the rule which 546 number is the opposite. If zero, do what YYDEFACT says. 547 If YYTABLE_NINF, syntax error. */ 548#define YYTABLE_NINF -1 549static const yytype_uint8 yytable[] = 550{ 551 10, 11, 12, 1, 13, 9, 7, 2, 8, 1, 552 17, 0, 18, 19, 22, 16, 20, 23, 0, 0, 553 0, 0, 0, 21 554}; 555 556static const yytype_int8 yycheck[] = 557{ 558 4, 5, 6, 3, 8, 0, 9, 7, 9, 3, 559 9, -1, 10, 9, 11, 5, 9, 9, -1, -1, 560 -1, -1, -1, 14 561}; 562 563/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing 564 symbol of state STATE-NUM. */ 565static const yytype_uint8 yystos[] = 566{ 567 0, 3, 7, 13, 14, 15, 16, 9, 9, 0, 568 4, 5, 6, 8, 17, 18, 16, 9, 10, 9, 569 9, 18, 11, 9 570}; 571 572#define yyerrok (yyerrstatus = 0) 573#define yyclearin (yychar = YYEMPTY) 574#define YYEMPTY (-2) 575#define YYEOF 0 576 577#define YYACCEPT goto yyacceptlab 578#define YYABORT goto yyabortlab 579#define YYERROR goto yyerrorlab 580 581 582/* Like YYERROR except do call yyerror. This remains here temporarily 583 to ease the transition to the new meaning of YYERROR, for GCC. 584 Once GCC version 2 has supplanted version 1, this can go. */ 585 586#define YYFAIL goto yyerrlab 587 588#define YYRECOVERING() (!!yyerrstatus) 589 590#define YYBACKUP(Token, Value) \ 591do \ 592 if (yychar == YYEMPTY && yylen == 1) \ 593 { \ 594 yychar = (Token); \ 595 yylval = (Value); \ 596 yytoken = YYTRANSLATE (yychar); \ 597 YYPOPSTACK (1); \ 598 goto yybackup; \ 599 } \ 600 else \ 601 { \ 602 yyerror (YY_("syntax error: cannot back up")); \ 603 YYERROR; \ 604 } \ 605while (YYID (0)) 606 607 608#define YYTERROR 1 609#define YYERRCODE 256 610 611 612/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N]. 613 If N is 0, then set CURRENT to the empty location which ends 614 the previous symbol: RHS[0] (always defined). */ 615 616#define YYRHSLOC(Rhs, K) ((Rhs)[K]) 617#ifndef YYLLOC_DEFAULT 618# define YYLLOC_DEFAULT(Current, Rhs, N) \ 619 do \ 620 if (YYID (N)) \ 621 { \ 622 (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \ 623 (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \ 624 (Current).last_line = YYRHSLOC (Rhs, N).last_line; \ 625 (Current).last_column = YYRHSLOC (Rhs, N).last_column; \ 626 } \ 627 else \ 628 { \ 629 (Current).first_line = (Current).last_line = \ 630 YYRHSLOC (Rhs, 0).last_line; \ 631 (Current).first_column = (Current).last_column = \ 632 YYRHSLOC (Rhs, 0).last_column; \ 633 } \ 634 while (YYID (0)) 635#endif 636 637 638/* YY_LOCATION_PRINT -- Print the location on the stream. 639 This macro was not mandated originally: define only if we know 640 we won't break user code: when these are the locations we know. */ 641 642#ifndef YY_LOCATION_PRINT 643# if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL 644# define YY_LOCATION_PRINT(File, Loc) \ 645 fprintf (File, "%d.%d-%d.%d", \ 646 (Loc).first_line, (Loc).first_column, \ 647 (Loc).last_line, (Loc).last_column) 648# else 649# define YY_LOCATION_PRINT(File, Loc) ((void) 0) 650# endif 651#endif 652 653 654/* YYLEX -- calling `yylex' with the right arguments. */ 655 656#ifdef YYLEX_PARAM 657# define YYLEX yylex (YYLEX_PARAM) 658#else 659# define YYLEX yylex () 660#endif 661 662/* Enable debugging if requested. */ 663#if YYDEBUG 664 665# ifndef YYFPRINTF 666# include <stdio.h> /* INFRINGES ON USER NAME SPACE */ 667# define YYFPRINTF fprintf 668# endif 669 670# define YYDPRINTF(Args) \ 671do { \ 672 if (yydebug) \ 673 YYFPRINTF Args; \ 674} while (YYID (0)) 675 676# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \ 677do { \ 678 if (yydebug) \ 679 { \ 680 YYFPRINTF (stderr, "%s ", Title); \ 681 yy_symbol_print (stderr, \ 682 Type, Value); \ 683 YYFPRINTF (stderr, "\n"); \ 684 } \ 685} while (YYID (0)) 686 687 688/*--------------------------------. 689| Print this symbol on YYOUTPUT. | 690`--------------------------------*/ 691 692/*ARGSUSED*/ 693#if (defined __STDC__ || defined __C99__FUNC__ \ 694 || defined __cplusplus || defined _MSC_VER) 695static void 696yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep) 697#else 698static void 699yy_symbol_value_print (yyoutput, yytype, yyvaluep) 700 FILE *yyoutput; 701 int yytype; 702 YYSTYPE const * const yyvaluep; 703#endif 704{ 705 if (!yyvaluep) 706 return; 707# ifdef YYPRINT 708 if (yytype < YYNTOKENS) 709 YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep); 710# else 711 YYUSE (yyoutput); 712# endif 713 switch (yytype) 714 { 715 default: 716 break; 717 } 718} 719 720 721/*--------------------------------. 722| Print this symbol on YYOUTPUT. | 723`--------------------------------*/ 724 725#if (defined __STDC__ || defined __C99__FUNC__ \ 726 || defined __cplusplus || defined _MSC_VER) 727static void 728yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep) 729#else 730static void 731yy_symbol_print (yyoutput, yytype, yyvaluep) 732 FILE *yyoutput; 733 int yytype; 734 YYSTYPE const * const yyvaluep; 735#endif 736{ 737 if (yytype < YYNTOKENS) 738 YYFPRINTF (yyoutput, "token %s (", yytname[yytype]); 739 else 740 YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]); 741 742 yy_symbol_value_print (yyoutput, yytype, yyvaluep); 743 YYFPRINTF (yyoutput, ")"); 744} 745 746/*------------------------------------------------------------------. 747| yy_stack_print -- Print the state stack from its BOTTOM up to its | 748| TOP (included). | 749`------------------------------------------------------------------*/ 750 751#if (defined __STDC__ || defined __C99__FUNC__ \ 752 || defined __cplusplus || defined _MSC_VER) 753static void 754yy_stack_print (yytype_int16 *bottom, yytype_int16 *top) 755#else 756static void 757yy_stack_print (bottom, top) 758 yytype_int16 *bottom; 759 yytype_int16 *top; 760#endif 761{ 762 YYFPRINTF (stderr, "Stack now"); 763 for (; bottom <= top; ++bottom) 764 YYFPRINTF (stderr, " %d", *bottom); 765 YYFPRINTF (stderr, "\n"); 766} 767 768# define YY_STACK_PRINT(Bottom, Top) \ 769do { \ 770 if (yydebug) \ 771 yy_stack_print ((Bottom), (Top)); \ 772} while (YYID (0)) 773 774 775/*------------------------------------------------. 776| Report that the YYRULE is going to be reduced. | 777`------------------------------------------------*/ 778 779#if (defined __STDC__ || defined __C99__FUNC__ \ 780 || defined __cplusplus || defined _MSC_VER) 781static void 782yy_reduce_print (YYSTYPE *yyvsp, int yyrule) 783#else 784static void 785yy_reduce_print (yyvsp, yyrule) 786 YYSTYPE *yyvsp; 787 int yyrule; 788#endif 789{ 790 int yynrhs = yyr2[yyrule]; 791 int yyi; 792 unsigned long int yylno = yyrline[yyrule]; 793 YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n", 794 yyrule - 1, yylno); 795 /* The symbols being reduced. */ 796 for (yyi = 0; yyi < yynrhs; yyi++) 797 { 798 fprintf (stderr, " $%d = ", yyi + 1); 799 yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi], 800 &(yyvsp[(yyi + 1) - (yynrhs)]) 801 ); 802 fprintf (stderr, "\n"); 803 } 804} 805 806# define YY_REDUCE_PRINT(Rule) \ 807do { \ 808 if (yydebug) \ 809 yy_reduce_print (yyvsp, Rule); \ 810} while (YYID (0)) 811 812/* Nonzero means print parse trace. It is left uninitialized so that 813 multiple parsers can coexist. */ 814int yydebug; 815#else /* !YYDEBUG */ 816# define YYDPRINTF(Args) 817# define YY_SYMBOL_PRINT(Title, Type, Value, Location) 818# define YY_STACK_PRINT(Bottom, Top) 819# define YY_REDUCE_PRINT(Rule) 820#endif /* !YYDEBUG */ 821 822 823/* YYINITDEPTH -- initial size of the parser's stacks. */ 824#ifndef YYINITDEPTH 825# define YYINITDEPTH 200 826#endif 827 828/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only 829 if the built-in stack extension method is used). 830 831 Do not make this value too large; the results are undefined if 832 YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH) 833 evaluated with infinite-precision integer arithmetic. */ 834 835#ifndef YYMAXDEPTH 836# define YYMAXDEPTH 10000 837#endif 838 839 840 841#if YYERROR_VERBOSE 842 843# ifndef yystrlen 844# if defined __GLIBC__ && defined _STRING_H 845# define yystrlen strlen 846# else 847/* Return the length of YYSTR. */ 848#if (defined __STDC__ || defined __C99__FUNC__ \ 849 || defined __cplusplus || defined _MSC_VER) 850static YYSIZE_T 851yystrlen (const char *yystr) 852#else 853static YYSIZE_T 854yystrlen (yystr) 855 const char *yystr; 856#endif 857{ 858 YYSIZE_T yylen; 859 for (yylen = 0; yystr[yylen]; yylen++) 860 continue; 861 return yylen; 862} 863# endif 864# endif 865 866# ifndef yystpcpy 867# if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE 868# define yystpcpy stpcpy 869# else 870/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in 871 YYDEST. */ 872#if (defined __STDC__ || defined __C99__FUNC__ \ 873 || defined __cplusplus || defined _MSC_VER) 874static char * 875yystpcpy (char *yydest, const char *yysrc) 876#else 877static char * 878yystpcpy (yydest, yysrc) 879 char *yydest; 880 const char *yysrc; 881#endif 882{ 883 char *yyd = yydest; 884 const char *yys = yysrc; 885 886 while ((*yyd++ = *yys++) != '\0') 887 continue; 888 889 return yyd - 1; 890} 891# endif 892# endif 893 894# ifndef yytnamerr 895/* Copy to YYRES the contents of YYSTR after stripping away unnecessary 896 quotes and backslashes, so that it's suitable for yyerror. The 897 heuristic is that double-quoting is unnecessary unless the string 898 contains an apostrophe, a comma, or backslash (other than 899 backslash-backslash). YYSTR is taken from yytname. If YYRES is 900 null, do not copy; instead, return the length of what the result 901 would have been. */ 902static YYSIZE_T 903yytnamerr (char *yyres, const char *yystr) 904{ 905 if (*yystr == '"') 906 { 907 YYSIZE_T yyn = 0; 908 char const *yyp = yystr; 909 910 for (;;) 911 switch (*++yyp) 912 { 913 case '\'': 914 case ',': 915 goto do_not_strip_quotes; 916 917 case '\\': 918 if (*++yyp != '\\') 919 goto do_not_strip_quotes; 920 /* Fall through. */ 921 default: 922 if (yyres) 923 yyres[yyn] = *yyp; 924 yyn++; 925 break; 926 927 case '"': 928 if (yyres) 929 yyres[yyn] = '\0'; 930 return yyn; 931 } 932 do_not_strip_quotes: ; 933 } 934 935 if (! yyres) 936 return yystrlen (yystr); 937 938 return yystpcpy (yyres, yystr) - yyres; 939} 940# endif 941 942/* Copy into YYRESULT an error message about the unexpected token 943 YYCHAR while in state YYSTATE. Return the number of bytes copied, 944 including the terminating null byte. If YYRESULT is null, do not 945 copy anything; just return the number of bytes that would be 946 copied. As a special case, return 0 if an ordinary "syntax error" 947 message will do. Return YYSIZE_MAXIMUM if overflow occurs during 948 size calculation. */ 949static YYSIZE_T 950yysyntax_error (char *yyresult, int yystate, int yychar) 951{ 952 int yyn = yypact[yystate]; 953 954 if (! (YYPACT_NINF < yyn && yyn <= YYLAST)) 955 return 0; 956 else 957 { 958 int yytype = YYTRANSLATE (yychar); 959 YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]); 960 YYSIZE_T yysize = yysize0; 961 YYSIZE_T yysize1; 962 int yysize_overflow = 0; 963 enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 }; 964 char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM]; 965 int yyx; 966 967# if 0 968 /* This is so xgettext sees the translatable formats that are 969 constructed on the fly. */ 970 YY_("syntax error, unexpected %s"); 971 YY_("syntax error, unexpected %s, expecting %s"); 972 YY_("syntax error, unexpected %s, expecting %s or %s"); 973 YY_("syntax error, unexpected %s, expecting %s or %s or %s"); 974 YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s"); 975# endif 976 char *yyfmt; 977 char const *yyf; 978 static char const yyunexpected[] = "syntax error, unexpected %s"; 979 static char const yyexpecting[] = ", expecting %s"; 980 static char const yyor[] = " or %s"; 981 char yyformat[sizeof yyunexpected 982 + sizeof yyexpecting - 1 983 + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2) 984 * (sizeof yyor - 1))]; 985 char const *yyprefix = yyexpecting; 986 987 /* Start YYX at -YYN if negative to avoid negative indexes in 988 YYCHECK. */ 989 int yyxbegin = yyn < 0 ? -yyn : 0; 990 991 /* Stay within bounds of both yycheck and yytname. */ 992 int yychecklim = YYLAST - yyn + 1; 993 int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS; 994 int yycount = 1; 995 996 yyarg[0] = yytname[yytype]; 997 yyfmt = yystpcpy (yyformat, yyunexpected); 998 999 for (yyx = yyxbegin; yyx < yyxend; ++yyx) 1000 if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) 1001 { 1002 if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM) 1003 { 1004 yycount = 1; 1005 yysize = yysize0; 1006 yyformat[sizeof yyunexpected - 1] = '\0'; 1007 break; 1008 } 1009 yyarg[yycount++] = yytname[yyx]; 1010 yysize1 = yysize + yytnamerr (0, yytname[yyx]); 1011 yysize_overflow |= (yysize1 < yysize); 1012 yysize = yysize1; 1013 yyfmt = yystpcpy (yyfmt, yyprefix); 1014 yyprefix = yyor; 1015 } 1016 1017 yyf = YY_(yyformat); 1018 yysize1 = yysize + yystrlen (yyf); 1019 yysize_overflow |= (yysize1 < yysize); 1020 yysize = yysize1; 1021 1022 if (yysize_overflow) 1023 return YYSIZE_MAXIMUM; 1024 1025 if (yyresult) 1026 { 1027 /* Avoid sprintf, as that infringes on the user's name space. 1028 Don't have undefined behavior even if the translation 1029 produced a string with the wrong number of "%s"s. */ 1030 char *yyp = yyresult; 1031 int yyi = 0; 1032 while ((*yyp = *yyf) != '\0') 1033 { 1034 if (*yyp == '%' && yyf[1] == 's' && yyi < yycount) 1035 { 1036 yyp += yytnamerr (yyp, yyarg[yyi++]); 1037 yyf += 2; 1038 } 1039 else 1040 { 1041 yyp++; 1042 yyf++; 1043 } 1044 } 1045 } 1046 return yysize; 1047 } 1048} 1049#endif /* YYERROR_VERBOSE */ 1050 1051 1052/*-----------------------------------------------. 1053| Release the memory associated to this symbol. | 1054`-----------------------------------------------*/ 1055 1056/*ARGSUSED*/ 1057#if (defined __STDC__ || defined __C99__FUNC__ \ 1058 || defined __cplusplus || defined _MSC_VER) 1059static void 1060yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep) 1061#else 1062static void 1063yydestruct (yymsg, yytype, yyvaluep) 1064 const char *yymsg; 1065 int yytype; 1066 YYSTYPE *yyvaluep; 1067#endif 1068{ 1069 YYUSE (yyvaluep); 1070 1071 if (!yymsg) 1072 yymsg = "Deleting"; 1073 YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp); 1074 1075 switch (yytype) 1076 { 1077 1078 default: 1079 break; 1080 } 1081} 1082 1083 1084/* Prevent warnings from -Wmissing-prototypes. */ 1085 1086#ifdef YYPARSE_PARAM 1087#if defined __STDC__ || defined __cplusplus 1088int yyparse (void *YYPARSE_PARAM); 1089#else 1090int yyparse (); 1091#endif 1092#else /* ! YYPARSE_PARAM */ 1093#if defined __STDC__ || defined __cplusplus 1094int yyparse (void); 1095#else 1096int yyparse (); 1097#endif 1098#endif /* ! YYPARSE_PARAM */ 1099 1100 1101 1102/* The look-ahead symbol. */ 1103int yychar; 1104 1105/* The semantic value of the look-ahead symbol. */ 1106YYSTYPE yylval; 1107 1108/* Number of syntax errors so far. */ 1109int yynerrs; 1110 1111 1112 1113/*----------. 1114| yyparse. | 1115`----------*/ 1116 1117#ifdef YYPARSE_PARAM 1118#if (defined __STDC__ || defined __C99__FUNC__ \ 1119 || defined __cplusplus || defined _MSC_VER) 1120int 1121yyparse (void *YYPARSE_PARAM) 1122#else 1123int 1124yyparse (YYPARSE_PARAM) 1125 void *YYPARSE_PARAM; 1126#endif 1127#else /* ! YYPARSE_PARAM */ 1128#if (defined __STDC__ || defined __C99__FUNC__ \ 1129 || defined __cplusplus || defined _MSC_VER) 1130int 1131yyparse (void) 1132#else 1133int 1134yyparse () 1135 1136#endif 1137#endif 1138{ 1139 1140 int yystate; 1141 int yyn; 1142 int yyresult; 1143 /* Number of tokens to shift before error messages enabled. */ 1144 int yyerrstatus; 1145 /* Look-ahead token as an internal (translated) token number. */ 1146 int yytoken = 0; 1147#if YYERROR_VERBOSE 1148 /* Buffer for error messages, and its allocated size. */ 1149 char yymsgbuf[128]; 1150 char *yymsg = yymsgbuf; 1151 YYSIZE_T yymsg_alloc = sizeof yymsgbuf; 1152#endif 1153 1154 /* Three stacks and their tools: 1155 `yyss': related to states, 1156 `yyvs': related to semantic values, 1157 `yyls': related to locations. 1158 1159 Refer to the stacks thru separate pointers, to allow yyoverflow 1160 to reallocate them elsewhere. */ 1161 1162 /* The state stack. */ 1163 yytype_int16 yyssa[YYINITDEPTH]; 1164 yytype_int16 *yyss = yyssa; 1165 yytype_int16 *yyssp; 1166 1167 /* The semantic value stack. */ 1168 YYSTYPE yyvsa[YYINITDEPTH]; 1169 YYSTYPE *yyvs = yyvsa; 1170 YYSTYPE *yyvsp; 1171 1172 1173 1174#define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N)) 1175 1176 YYSIZE_T yystacksize = YYINITDEPTH; 1177 1178 /* The variables used to return semantic value and location from the 1179 action routines. */ 1180 YYSTYPE yyval; 1181 1182 1183 /* The number of symbols on the RHS of the reduced rule. 1184 Keep to zero when no symbol should be popped. */ 1185 int yylen = 0; 1186 1187 YYDPRINTF ((stderr, "Starting parse\n")); 1188 1189 yystate = 0; 1190 yyerrstatus = 0; 1191 yynerrs = 0; 1192 yychar = YYEMPTY; /* Cause a token to be read. */ 1193 1194 /* Initialize stack pointers. 1195 Waste one element of value and location stack 1196 so that they stay on the same level as the state stack. 1197 The wasted elements are never initialized. */ 1198 1199 yyssp = yyss; 1200 yyvsp = yyvs; 1201 1202 goto yysetstate; 1203 1204/*------------------------------------------------------------. 1205| yynewstate -- Push a new state, which is found in yystate. | 1206`------------------------------------------------------------*/ 1207 yynewstate: 1208 /* In all cases, when you get here, the value and location stacks 1209 have just been pushed. So pushing a state here evens the stacks. */ 1210 yyssp++; 1211 1212 yysetstate: 1213 *yyssp = yystate; 1214 1215 if (yyss + yystacksize - 1 <= yyssp) 1216 { 1217 /* Get the current used size of the three stacks, in elements. */ 1218 YYSIZE_T yysize = yyssp - yyss + 1; 1219 1220#ifdef yyoverflow 1221 { 1222 /* Give user a chance to reallocate the stack. Use copies of 1223 these so that the &'s don't force the real ones into 1224 memory. */ 1225 YYSTYPE *yyvs1 = yyvs; 1226 yytype_int16 *yyss1 = yyss; 1227 1228 1229 /* Each stack pointer address is followed by the size of the 1230 data in use in that stack, in bytes. This used to be a 1231 conditional around just the two extra args, but that might 1232 be undefined if yyoverflow is a macro. */ 1233 yyoverflow (YY_("memory exhausted"), 1234 &yyss1, yysize * sizeof (*yyssp), 1235 &yyvs1, yysize * sizeof (*yyvsp), 1236 1237 &yystacksize); 1238 1239 yyss = yyss1; 1240 yyvs = yyvs1; 1241 } 1242#else /* no yyoverflow */ 1243# ifndef YYSTACK_RELOCATE 1244 goto yyexhaustedlab; 1245# else 1246 /* Extend the stack our own way. */ 1247 if (YYMAXDEPTH <= yystacksize) 1248 goto yyexhaustedlab; 1249 yystacksize *= 2; 1250 if (YYMAXDEPTH < yystacksize) 1251 yystacksize = YYMAXDEPTH; 1252 1253 { 1254 yytype_int16 *yyss1 = yyss; 1255 union yyalloc *yyptr = 1256 (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize)); 1257 if (! yyptr) 1258 goto yyexhaustedlab; 1259 YYSTACK_RELOCATE (yyss); 1260 YYSTACK_RELOCATE (yyvs); 1261 1262# undef YYSTACK_RELOCATE 1263 if (yyss1 != yyssa) 1264 YYSTACK_FREE (yyss1); 1265 } 1266# endif 1267#endif /* no yyoverflow */ 1268 1269 yyssp = yyss + yysize - 1; 1270 yyvsp = yyvs + yysize - 1; 1271 1272 1273 YYDPRINTF ((stderr, "Stack size increased to %lu\n", 1274 (unsigned long int) yystacksize)); 1275 1276 if (yyss + yystacksize - 1 <= yyssp) 1277 YYABORT; 1278 } 1279 1280 YYDPRINTF ((stderr, "Entering state %d\n", yystate)); 1281 1282 goto yybackup; 1283 1284/*-----------. 1285| yybackup. | 1286`-----------*/ 1287yybackup: 1288 1289 /* Do appropriate processing given the current state. Read a 1290 look-ahead token if we need one and don't already have one. */ 1291 1292 /* First try to decide what to do without reference to look-ahead token. */ 1293 yyn = yypact[yystate]; 1294 if (yyn == YYPACT_NINF) 1295 goto yydefault; 1296 1297 /* Not known => get a look-ahead token if don't already have one. */ 1298 1299 /* YYCHAR is either YYEMPTY or YYEOF or a valid look-ahead symbol. */ 1300 if (yychar == YYEMPTY) 1301 { 1302 YYDPRINTF ((stderr, "Reading a token: ")); 1303 yychar = YYLEX; 1304 } 1305 1306 if (yychar <= YYEOF) 1307 { 1308 yychar = yytoken = YYEOF; 1309 YYDPRINTF ((stderr, "Now at end of input.\n")); 1310 } 1311 else 1312 { 1313 yytoken = YYTRANSLATE (yychar); 1314 YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc); 1315 } 1316 1317 /* If the proper action on seeing token YYTOKEN is to reduce or to 1318 detect an error, take that action. */ 1319 yyn += yytoken; 1320 if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken) 1321 goto yydefault; 1322 yyn = yytable[yyn]; 1323 if (yyn <= 0) 1324 { 1325 if (yyn == 0 || yyn == YYTABLE_NINF) 1326 goto yyerrlab; 1327 yyn = -yyn; 1328 goto yyreduce; 1329 } 1330 1331 if (yyn == YYFINAL) 1332 YYACCEPT; 1333 1334 /* Count tokens shifted since error; after three, turn off error 1335 status. */ 1336 if (yyerrstatus) 1337 yyerrstatus--; 1338 1339 /* Shift the look-ahead token. */ 1340 YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc); 1341 1342 /* Discard the shifted token unless it is eof. */ 1343 if (yychar != YYEOF) 1344 yychar = YYEMPTY; 1345 1346 yystate = yyn; 1347 *++yyvsp = yylval; 1348 1349 goto yynewstate; 1350 1351 1352/*-----------------------------------------------------------. 1353| yydefault -- do the default action for the current state. | 1354`-----------------------------------------------------------*/ 1355yydefault: 1356 yyn = yydefact[yystate]; 1357 if (yyn == 0) 1358 goto yyerrlab; 1359 goto yyreduce; 1360 1361 1362/*-----------------------------. 1363| yyreduce -- Do a reduction. | 1364`-----------------------------*/ 1365yyreduce: 1366 /* yyn is the number of a rule to reduce with. */ 1367 yylen = yyr2[yyn]; 1368 1369 /* If YYLEN is nonzero, implement the default value of the action: 1370 `$$ = $1'. 1371 1372 Otherwise, the following line sets YYVAL to garbage. 1373 This behavior is undocumented and Bison 1374 users should not rely upon it. Assigning to YYVAL 1375 unconditionally makes the parser a bit smaller, and it avoids a 1376 GCC warning that YYVAL may be used uninitialized. */ 1377 yyval = yyvsp[1-yylen]; 1378 1379 1380 YY_REDUCE_PRINT (yyn); 1381 switch (yyn) 1382 { 1383 case 6: 1384#line 73 "parse.y" 1385 { 1386 id_str = (yyvsp[(2) - (2)].string); 1387 } 1388 break; 1389 1390 case 7: 1391#line 79 "parse.y" 1392 { 1393 base_id = name2number((yyvsp[(2) - (2)].string)); 1394 strlcpy(name, (yyvsp[(2) - (2)].string), sizeof(name)); 1395 free((yyvsp[(2) - (2)].string)); 1396 } 1397 break; 1398 1399 case 8: 1400#line 85 "parse.y" 1401 { 1402 base_id = name2number((yyvsp[(2) - (3)].string)); 1403 strlcpy(name, (yyvsp[(3) - (3)].string), sizeof(name)); 1404 free((yyvsp[(2) - (3)].string)); 1405 free((yyvsp[(3) - (3)].string)); 1406 } 1407 break; 1408 1409 case 11: 1410#line 98 "parse.y" 1411 { 1412 number = (yyvsp[(2) - (2)].number); 1413 } 1414 break; 1415 1416 case 12: 1417#line 102 "parse.y" 1418 { 1419 free(prefix); 1420 asprintf (&prefix, "%s_", (yyvsp[(2) - (2)].string)); 1421 if (prefix == NULL) 1422 errx(1, "malloc"); 1423 free((yyvsp[(2) - (2)].string)); 1424 } 1425 break; 1426 1427 case 13: 1428#line 110 "parse.y" 1429 { 1430 prefix = realloc(prefix, 1); 1431 if (prefix == NULL) 1432 errx(1, "malloc"); 1433 *prefix = '\0'; 1434 } 1435 break; 1436 1437 case 14: 1438#line 117 "parse.y" 1439 { 1440 struct error_code *ec = malloc(sizeof(*ec)); 1441 1442 if (ec == NULL) 1443 errx(1, "malloc"); 1444 1445 ec->next = NULL; 1446 ec->number = number; 1447 if(prefix && *prefix != '\0') { 1448 asprintf (&ec->name, "%s%s", prefix, (yyvsp[(2) - (4)].string)); 1449 if (ec->name == NULL) 1450 errx(1, "malloc"); 1451 free((yyvsp[(2) - (4)].string)); 1452 } else 1453 ec->name = (yyvsp[(2) - (4)].string); 1454 ec->string = (yyvsp[(4) - (4)].string); 1455 APPEND(codes, ec); 1456 number++; 1457 } 1458 break; 1459 1460 case 15: 1461#line 137 "parse.y" 1462 { 1463 YYACCEPT; 1464 } 1465 break; 1466 1467 1468/* Line 1267 of yacc.c. */ 1469#line 1470 "parse.c" 1470 default: break; 1471 } 1472 YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc); 1473 1474 YYPOPSTACK (yylen); 1475 yylen = 0; 1476 YY_STACK_PRINT (yyss, yyssp); 1477 1478 *++yyvsp = yyval; 1479 1480 1481 /* Now `shift' the result of the reduction. Determine what state 1482 that goes to, based on the state we popped back to and the rule 1483 number reduced by. */ 1484 1485 yyn = yyr1[yyn]; 1486 1487 yystate = yypgoto[yyn - YYNTOKENS] + *yyssp; 1488 if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp) 1489 yystate = yytable[yystate]; 1490 else 1491 yystate = yydefgoto[yyn - YYNTOKENS]; 1492 1493 goto yynewstate; 1494 1495 1496/*------------------------------------. 1497| yyerrlab -- here on detecting error | 1498`------------------------------------*/ 1499yyerrlab: 1500 /* If not already recovering from an error, report this error. */ 1501 if (!yyerrstatus) 1502 { 1503 ++yynerrs; 1504#if ! YYERROR_VERBOSE 1505 yyerror (YY_("syntax error")); 1506#else 1507 { 1508 YYSIZE_T yysize = yysyntax_error (0, yystate, yychar); 1509 if (yymsg_alloc < yysize && yymsg_alloc < YYSTACK_ALLOC_MAXIMUM) 1510 { 1511 YYSIZE_T yyalloc = 2 * yysize; 1512 if (! (yysize <= yyalloc && yyalloc <= YYSTACK_ALLOC_MAXIMUM)) 1513 yyalloc = YYSTACK_ALLOC_MAXIMUM; 1514 if (yymsg != yymsgbuf) 1515 YYSTACK_FREE (yymsg); 1516 yymsg = (char *) YYSTACK_ALLOC (yyalloc); 1517 if (yymsg) 1518 yymsg_alloc = yyalloc; 1519 else 1520 { 1521 yymsg = yymsgbuf; 1522 yymsg_alloc = sizeof yymsgbuf; 1523 } 1524 } 1525 1526 if (0 < yysize && yysize <= yymsg_alloc) 1527 { 1528 (void) yysyntax_error (yymsg, yystate, yychar); 1529 yyerror (yymsg); 1530 } 1531 else 1532 { 1533 yyerror (YY_("syntax error")); 1534 if (yysize != 0) 1535 goto yyexhaustedlab; 1536 } 1537 } 1538#endif 1539 } 1540 1541 1542 1543 if (yyerrstatus == 3) 1544 { 1545 /* If just tried and failed to reuse look-ahead token after an 1546 error, discard it. */ 1547 1548 if (yychar <= YYEOF) 1549 { 1550 /* Return failure if at end of input. */ 1551 if (yychar == YYEOF) 1552 YYABORT; 1553 } 1554 else 1555 { 1556 yydestruct ("Error: discarding", 1557 yytoken, &yylval); 1558 yychar = YYEMPTY; 1559 } 1560 } 1561 1562 /* Else will try to reuse look-ahead token after shifting the error 1563 token. */ 1564 goto yyerrlab1; 1565 1566 1567/*---------------------------------------------------. 1568| yyerrorlab -- error raised explicitly by YYERROR. | 1569`---------------------------------------------------*/ 1570yyerrorlab: 1571 1572 /* Pacify compilers like GCC when the user code never invokes 1573 YYERROR and the label yyerrorlab therefore never appears in user 1574 code. */ 1575 if (/*CONSTCOND*/ 0) 1576 goto yyerrorlab; 1577 1578 /* Do not reclaim the symbols of the rule which action triggered 1579 this YYERROR. */ 1580 YYPOPSTACK (yylen); 1581 yylen = 0; 1582 YY_STACK_PRINT (yyss, yyssp); 1583 yystate = *yyssp; 1584 goto yyerrlab1; 1585 1586 1587/*-------------------------------------------------------------. 1588| yyerrlab1 -- common code for both syntax error and YYERROR. | 1589`-------------------------------------------------------------*/ 1590yyerrlab1: 1591 yyerrstatus = 3; /* Each real token shifted decrements this. */ 1592 1593 for (;;) 1594 { 1595 yyn = yypact[yystate]; 1596 if (yyn != YYPACT_NINF) 1597 { 1598 yyn += YYTERROR; 1599 if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR) 1600 { 1601 yyn = yytable[yyn]; 1602 if (0 < yyn) 1603 break; 1604 } 1605 } 1606 1607 /* Pop the current state because it cannot handle the error token. */ 1608 if (yyssp == yyss) 1609 YYABORT; 1610 1611 1612 yydestruct ("Error: popping", 1613 yystos[yystate], yyvsp); 1614 YYPOPSTACK (1); 1615 yystate = *yyssp; 1616 YY_STACK_PRINT (yyss, yyssp); 1617 } 1618 1619 if (yyn == YYFINAL) 1620 YYACCEPT; 1621 1622 *++yyvsp = yylval; 1623 1624 1625 /* Shift the error token. */ 1626 YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp); 1627 1628 yystate = yyn; 1629 goto yynewstate; 1630 1631 1632/*-------------------------------------. 1633| yyacceptlab -- YYACCEPT comes here. | 1634`-------------------------------------*/ 1635yyacceptlab: 1636 yyresult = 0; 1637 goto yyreturn; 1638 1639/*-----------------------------------. 1640| yyabortlab -- YYABORT comes here. | 1641`-----------------------------------*/ 1642yyabortlab: 1643 yyresult = 1; 1644 goto yyreturn; 1645 1646#ifndef yyoverflow 1647/*-------------------------------------------------. 1648| yyexhaustedlab -- memory exhaustion comes here. | 1649`-------------------------------------------------*/ 1650yyexhaustedlab: 1651 yyerror (YY_("memory exhausted")); 1652 yyresult = 2; 1653 /* Fall through. */ 1654#endif 1655 1656yyreturn: 1657 if (yychar != YYEOF && yychar != YYEMPTY) 1658 yydestruct ("Cleanup: discarding lookahead", 1659 yytoken, &yylval); 1660 /* Do not reclaim the symbols of the rule which action triggered 1661 this YYABORT or YYACCEPT. */ 1662 YYPOPSTACK (yylen); 1663 YY_STACK_PRINT (yyss, yyssp); 1664 while (yyssp != yyss) 1665 { 1666 yydestruct ("Cleanup: popping", 1667 yystos[*yyssp], yyvsp); 1668 YYPOPSTACK (1); 1669 } 1670#ifndef yyoverflow 1671 if (yyss != yyssa) 1672 YYSTACK_FREE (yyss); 1673#endif 1674#if YYERROR_VERBOSE 1675 if (yymsg != yymsgbuf) 1676 YYSTACK_FREE (yymsg); 1677#endif 1678 /* Make sure YYID is used. */ 1679 return YYID (yyresult); 1680} 1681 1682 1683#line 142 "parse.y" 1684 1685 1686static long 1687name2number(const char *str) 1688{ 1689 const char *p; 1690 long num = 0; 1691 const char *x = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" 1692 "abcdefghijklmnopqrstuvwxyz0123456789_"; 1693 if(strlen(str) > 4) { 1694 yyerror("table name too long"); 1695 return 0; 1696 } 1697 for(p = str; *p; p++){ 1698 char *q = strchr(x, *p); 1699 if(q == NULL) { 1700 yyerror("invalid character in table name"); 1701 return 0; 1702 } 1703 num = (num << 6) + (q - x) + 1; 1704 } 1705 num <<= 8; 1706 if(num > 0x7fffffff) 1707 num = -(0xffffffff - num + 1); 1708 return num; 1709} 1710 1711void 1712yyerror (char *s) 1713{ 1714 error_message ("%s\n", s); 1715} 1716 1717