1 /* A Bison parser, made by GNU Bison 2.1a. */
3 /* Skeleton parser for Yacc-like parsing with Bison,
4 Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 Boston, MA 02110-1301, USA. */
21 /* As a special exception, when this file is copied by Bison into a
22 Bison output file, you may use that output file without restriction.
23 This special exception was added by the Free Software Foundation
24 in version 1.24 of Bison. */
26 /* Written by Richard Stallman by simplifying the original so called
27 ``semantic'' parser. */
29 /* All symbols defined below should begin with yy or YY, to avoid
30 infringing on user name space. This should be done even for local
31 variables, as they might otherwise be expanded by user macros.
32 There are some unavoidable exceptions within include files to
33 define necessary library symbols; they are noted "INFRINGES ON
34 USER NAME SPACE" below. */
36 /* Identify Bison output. */
40 #define YYBISON_VERSION "2.1a"
43 #define YYSKELETON_NAME "yacc.c"
48 /* Using locations. */
49 #define YYLSP_NEEDED 1
51 /* Substitute the variable and function names. */
52 #define yyparse gram_parse
53 #define yylex gram_lex
54 #define yyerror gram_error
55 #define yylval gram_lval
56 #define yychar gram_char
57 #define yydebug gram_debug
58 #define yynerrs gram_nerrs
59 #define yylloc gram_lloc
64 /* Put the tokens into the symbol table, so that GDB and other debuggers
73 PERCENT_DESTRUCTOR
= 263,
74 PERCENT_PRINTER
= 264,
78 PERCENT_NONASSOC
= 268,
83 PERCENT_DEFAULT_PREC
= 273,
85 PERCENT_DEFINES
= 275,
86 PERCENT_ERROR_VERBOSE
= 276,
88 PERCENT_EXPECT_RR
= 278,
89 PERCENT_FILE_PREFIX
= 279,
90 PERCENT_GLR_PARSER
= 280,
91 PERCENT_INITIAL_ACTION
= 281,
92 PERCENT_LEX_PARAM
= 282,
93 PERCENT_LOCATIONS
= 283,
94 PERCENT_NAME_PREFIX
= 284,
95 PERCENT_NO_DEFAULT_PREC
= 285,
96 PERCENT_NO_LINES
= 286,
97 PERCENT_NONDETERMINISTIC_PARSER
= 287,
99 PERCENT_PARSE_PARAM
= 289,
100 PERCENT_PURE_PARSER
= 290,
101 PERCENT_SKELETON
= 291,
103 PERCENT_TOKEN_TABLE
= 293,
104 PERCENT_VERBOSE
= 294,
112 PERCENT_PERCENT
= 302,
122 #define PERCENT_TOKEN 260
123 #define PERCENT_NTERM 261
124 #define PERCENT_TYPE 262
125 #define PERCENT_DESTRUCTOR 263
126 #define PERCENT_PRINTER 264
127 #define PERCENT_UNION 265
128 #define PERCENT_LEFT 266
129 #define PERCENT_RIGHT 267
130 #define PERCENT_NONASSOC 268
131 #define PERCENT_PREC 269
132 #define PERCENT_DPREC 270
133 #define PERCENT_MERGE 271
134 #define PERCENT_DEBUG 272
135 #define PERCENT_DEFAULT_PREC 273
136 #define PERCENT_DEFINE 274
137 #define PERCENT_DEFINES 275
138 #define PERCENT_ERROR_VERBOSE 276
139 #define PERCENT_EXPECT 277
140 #define PERCENT_EXPECT_RR 278
141 #define PERCENT_FILE_PREFIX 279
142 #define PERCENT_GLR_PARSER 280
143 #define PERCENT_INITIAL_ACTION 281
144 #define PERCENT_LEX_PARAM 282
145 #define PERCENT_LOCATIONS 283
146 #define PERCENT_NAME_PREFIX 284
147 #define PERCENT_NO_DEFAULT_PREC 285
148 #define PERCENT_NO_LINES 286
149 #define PERCENT_NONDETERMINISTIC_PARSER 287
150 #define PERCENT_OUTPUT 288
151 #define PERCENT_PARSE_PARAM 289
152 #define PERCENT_PURE_PARSER 290
153 #define PERCENT_SKELETON 291
154 #define PERCENT_START 292
155 #define PERCENT_TOKEN_TABLE 293
156 #define PERCENT_VERBOSE 294
157 #define PERCENT_YACC 295
160 #define SEMICOLON 298
164 #define PERCENT_PERCENT 302
167 #define BRACED_CODE 305
172 /* Copy the first part of user declarations. */
173 #line 1 "parse-gram.y"
174 /* Bison Grammar Parser -*- C -*-
176 Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
178 This file is part of Bison, the GNU Compiler Compiler.
180 This program is free software; you can redistribute it and/or modify
181 it under the terms of the GNU General Public License as published by
182 the Free Software Foundation; either version 2 of the License, or
183 (at your option) any later version.
185 This program is distributed in the hope that it will be useful,
186 but WITHOUT ANY WARRANTY; without even the implied warranty of
187 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
188 GNU General Public License for more details.
190 You should have received a copy of the GNU General Public License
191 along with this program; if not, write to the Free Software
192 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
198 #include "complain.h"
199 #include "conflicts.h"
203 #include "muscle_tab.h"
205 #include "quotearg.h"
209 #define YYLLOC_DEFAULT(Current, Rhs, N) (Current) = lloc_default (Rhs, N)
210 static YYLTYPE
lloc_default (YYLTYPE
const *, int);
212 #define YY_LOCATION_PRINT(File, Loc) \
213 location_print (File, Loc)
215 /* Request detailed syntax error messages, and pass them to GRAM_ERROR.
216 FIXME: depends on the undocumented availability of YYLLOC. */
218 #define yyerror(Msg) \
219 gram_error (&yylloc, Msg)
220 static void gram_error (location
const *, char const *);
222 static void add_param (char const *, char *, location
);
224 static symbol_class current_class
= unknown_sym
;
225 static uniqstr current_type
= 0;
227 location current_lhs_location
;
229 static int current_prec
= 0;
232 /* Enabling traces. */
237 /* Enabling verbose error messages. */
238 #ifdef YYERROR_VERBOSE
239 # undef YYERROR_VERBOSE
240 # define YYERROR_VERBOSE 1
242 # define YYERROR_VERBOSE 1
245 /* Enabling the token table. */
246 #ifndef YYTOKEN_TABLE
247 # define YYTOKEN_TABLE 0
250 #if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)
251 #line 79 "parse-gram.y"
252 typedef union YYSTYPE
{
260 /* Line 196 of yacc.c. */
261 #line 262 "parse-gram.c"
262 # define yystype YYSTYPE /* obsolescent; will be withdrawn */
263 # define YYSTYPE_IS_DECLARED 1
264 # define YYSTYPE_IS_TRIVIAL 1
267 #if ! defined (YYLTYPE) && ! defined (YYLTYPE_IS_DECLARED)
268 typedef struct YYLTYPE
275 # define yyltype YYLTYPE /* obsolescent; will be withdrawn */
276 # define YYLTYPE_IS_DECLARED 1
277 # define YYLTYPE_IS_TRIVIAL 1
281 /* Copy the second part of user declarations. */
284 /* Line 219 of yacc.c. */
285 #line 286 "parse-gram.c"
287 #if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__)
288 # define YYSIZE_T __SIZE_TYPE__
290 #if ! defined (YYSIZE_T) && defined (size_t)
291 # define YYSIZE_T size_t
293 #if ! defined (YYSIZE_T) && (defined (__STDC__) || defined (__cplusplus))
294 # include <stddef.h> /* INFRINGES ON USER NAME SPACE */
295 # define YYSIZE_T size_t
297 #if ! defined (YYSIZE_T)
298 # define YYSIZE_T unsigned int
301 #define YYSIZE_MAXIMUM ((YYSIZE_T) -1)
306 # include <libintl.h> /* INFRINGES ON USER NAME SPACE */
307 # define YY_(msgid) dgettext ("bison-runtime", msgid)
311 # define YY_(msgid) msgid
315 #if ! defined (yyoverflow) || YYERROR_VERBOSE
317 /* The parser invokes alloca or malloc; define the necessary symbols. */
319 # ifdef YYSTACK_USE_ALLOCA
320 # if YYSTACK_USE_ALLOCA
322 # define YYSTACK_ALLOC __builtin_alloca
324 # define YYSTACK_ALLOC alloca
325 # if defined (__STDC__) || defined (__cplusplus)
326 # include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
327 # define YYINCLUDED_STDLIB_H
333 # ifdef YYSTACK_ALLOC
334 /* Pacify GCC's `empty if-body' warning. */
335 # define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
336 # ifndef YYSTACK_ALLOC_MAXIMUM
337 /* The OS might guarantee only one guard page at the bottom of the stack,
338 and a page size can be as small as 4096 bytes. So we cannot safely
339 invoke alloca (N) if N exceeds 4096. Use a slightly smaller number
340 to allow for a few compiler-allocated temporary stack slots. */
341 # define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2005 */
344 # define YYSTACK_ALLOC YYMALLOC
345 # define YYSTACK_FREE YYFREE
346 # ifndef YYSTACK_ALLOC_MAXIMUM
347 # define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
353 # define YYMALLOC malloc
354 # if (! defined (malloc) && ! defined (YYINCLUDED_STDLIB_H) \
355 && (defined (__STDC__) || defined (__cplusplus)))
356 void *malloc (YYSIZE_T
); /* INFRINGES ON USER NAME SPACE */
361 # if (! defined (free) && ! defined (YYINCLUDED_STDLIB_H) \
362 && (defined (__STDC__) || defined (__cplusplus)))
363 void free (void *); /* INFRINGES ON USER NAME SPACE */
370 #endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */
373 #if (! defined (yyoverflow) \
374 && (! defined (__cplusplus) \
375 || (defined (YYLTYPE_IS_TRIVIAL) && YYLTYPE_IS_TRIVIAL \
376 && defined (YYSTYPE_IS_TRIVIAL) && YYSTYPE_IS_TRIVIAL)))
378 /* A type that is properly aligned for any stack member. */
386 /* The size of the maximum gap between one aligned stack and the next. */
387 # define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)
389 /* The size of an array large to enough to hold all stacks, each with
391 # define YYSTACK_BYTES(N) \
392 ((N) * (sizeof (short int) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \
393 + 2 * YYSTACK_GAP_MAXIMUM)
395 /* Copy COUNT objects from FROM to TO. The source and destination do
398 # if defined (__GNUC__) && 1 < __GNUC__
399 # define YYCOPY(To, From, Count) \
400 __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
402 # define YYCOPY(To, From, Count) \
406 for (yyi = 0; yyi < (Count); yyi++) \
407 (To)[yyi] = (From)[yyi]; \
413 /* Relocate STACK from its old location to the new one. The
414 local variables YYSIZE and YYSTACKSIZE give the old and new number of
415 elements in the stack, and YYPTR gives the new location of the
416 stack. Advance YYPTR to a properly aligned location for the next
418 # define YYSTACK_RELOCATE(Stack) \
421 YYSIZE_T yynewbytes; \
422 YYCOPY (&yyptr->Stack, Stack, yysize); \
423 Stack = &yyptr->Stack; \
424 yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
425 yyptr += yynewbytes / sizeof (*yyptr); \
431 #if defined (__STDC__) || defined (__cplusplus)
432 typedef signed char yysigned_char
;
434 typedef short int yysigned_char
;
437 /* YYFINAL -- State number of the termination state. */
439 /* YYLAST -- Last index in YYTABLE. */
442 /* YYNTOKENS -- Number of terminals. */
444 /* YYNNTS -- Number of nonterminals. */
446 /* YYNRULES -- Number of rules. */
448 /* YYNRULES -- Number of states. */
449 #define YYNSTATES 108
451 /* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */
453 #define YYMAXUTOK 305
455 #define YYTRANSLATE(YYX) \
456 ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
458 /* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */
459 static const unsigned char yytranslate
[] =
461 0, 2, 2, 2, 2, 2, 2, 2, 2, 2,
462 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
463 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
464 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
465 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
466 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
467 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
468 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
469 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
470 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
471 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
472 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
473 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
474 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
475 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
476 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
477 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
478 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
479 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
480 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
481 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
482 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
483 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
484 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
485 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
486 2, 2, 2, 2, 2, 2, 1, 2, 3, 4,
487 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
488 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
489 25, 26, 27, 28, 29, 30, 31, 32, 33, 34,
490 35, 36, 37, 38, 39, 40, 41, 42, 43, 44,
491 45, 46, 47, 48, 49, 50
495 /* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
497 static const unsigned char yyprhs
[] =
499 0, 0, 3, 8, 9, 12, 14, 16, 18, 22,
500 24, 26, 29, 32, 36, 38, 40, 42, 44, 48,
501 50, 52, 56, 58, 60, 63, 65, 67, 69, 71,
502 73, 75, 78, 80, 83, 86, 88, 90, 91, 95,
503 96, 100, 104, 108, 110, 112, 114, 115, 117, 119,
504 122, 124, 126, 129, 132, 136, 138, 141, 143, 146,
505 148, 151, 154, 155, 159, 161, 165, 168, 169, 172,
506 175, 179, 183, 187, 189, 191, 193, 195, 197, 198
509 /* YYRHS -- A `-1'-separated list of the rules' RHS. */
510 static const yysigned_char yyrhs
[] =
512 52, 0, -1, 53, 47, 65, 75, -1, -1, 53,
513 54, -1, 55, -1, 48, -1, 17, -1, 19, 74,
514 74, -1, 20, -1, 21, -1, 22, 4, -1, 23,
515 4, -1, 24, 42, 74, -1, 25, -1, 26, -1,
516 27, -1, 28, -1, 29, 42, 74, -1, 31, -1,
517 32, -1, 33, 42, 74, -1, 34, -1, 35, -1,
518 36, 74, -1, 38, -1, 39, -1, 40, -1, 43,
519 -1, 59, -1, 56, -1, 37, 71, -1, 10, -1,
520 8, 62, -1, 9, 62, -1, 18, -1, 30, -1,
521 -1, 6, 57, 64, -1, -1, 5, 58, 64, -1,
522 7, 41, 62, -1, 60, 61, 62, -1, 11, -1,
523 12, -1, 13, -1, -1, 41, -1, 71, -1, 62,
524 71, -1, 41, -1, 45, -1, 45, 4, -1, 45,
525 73, -1, 45, 4, 73, -1, 63, -1, 64, 63,
526 -1, 66, -1, 65, 66, -1, 67, -1, 55, 43,
527 -1, 1, 43, -1, -1, 46, 68, 69, -1, 70,
528 -1, 69, 44, 70, -1, 69, 43, -1, -1, 70,
529 71, -1, 70, 72, -1, 70, 14, 71, -1, 70,
530 15, 4, -1, 70, 16, 41, -1, 45, -1, 73,
531 -1, 50, -1, 3, -1, 3, -1, -1, 47, 49,
535 /* YYRLINE[YYN] -- source line where rule number YYN was defined. */
536 static const unsigned short int yyrline
[] =
538 0, 188, 188, 196, 198, 202, 203, 204, 205, 206,
539 207, 208, 209, 210, 211, 216, 220, 221, 222, 223,
540 224, 225, 226, 227, 228, 229, 230, 231, 232, 236,
541 237, 238, 242, 248, 255, 262, 266, 273, 273, 278,
542 278, 283, 293, 308, 309, 310, 314, 315, 321, 322,
543 327, 331, 336, 342, 348, 359, 360, 369, 370, 376,
544 377, 382, 389, 389, 393, 394, 395, 400, 401, 403,
545 405, 407, 409, 414, 415, 419, 425, 434, 439, 441
549 #if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE
550 /* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
551 First, the terminals, then, starting at YYNTOKENS, nonterminals. */
552 static const char *const yytname
[] =
554 "\"end of file\"", "error", "$undefined", "\"string\"", "\"integer\"",
555 "\"%token\"", "\"%nterm\"", "\"%type\"", "\"%destructor {...}\"",
556 "\"%printer {...}\"", "\"%union {...}\"", "\"%left\"", "\"%right\"",
557 "\"%nonassoc\"", "\"%prec\"", "\"%dprec\"", "\"%merge\"", "\"%debug\"",
558 "\"%default-prec\"", "\"%define\"", "\"%defines\"", "\"%error-verbose\"",
559 "\"%expect\"", "\"%expect-rr\"", "\"%file-prefix\"", "\"%glr-parser\"",
560 "\"%initial-action {...}\"", "\"%lex-param {...}\"", "\"%locations\"",
561 "\"%name-prefix\"", "\"%no-default-prec\"", "\"%no-lines\"",
562 "\"%nondeterministic-parser\"", "\"%output\"", "\"%parse-param {...}\"",
563 "\"%pure-parser\"", "\"%skeleton\"", "\"%start\"", "\"%token-table\"",
564 "\"%verbose\"", "\"%yacc\"", "\"type\"", "\"=\"", "\";\"", "\"|\"",
565 "\"identifier\"", "\"identifier:\"", "\"%%\"", "\"%{...%}\"",
566 "\"epilogue\"", "\"{...}\"", "$accept", "input", "declarations",
567 "declaration", "grammar_declaration", "symbol_declaration", "@1", "@2",
568 "precedence_declaration", "precedence_declarator", "type.opt",
569 "symbols.1", "symbol_def", "symbol_defs.1", "grammar",
570 "rules_or_grammar_declaration", "rules", "@3", "rhses.1", "rhs",
571 "symbol", "action", "string_as_id", "string_content", "epilogue.opt", 0
576 /* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
578 static const unsigned short int yytoknum
[] =
580 0, 256, 257, 258, 259, 260, 261, 262, 263, 264,
581 265, 266, 267, 268, 269, 270, 271, 272, 273, 274,
582 275, 276, 277, 278, 279, 280, 281, 282, 283, 284,
583 285, 286, 287, 288, 289, 290, 291, 292, 293, 294,
584 295, 296, 297, 298, 299, 300, 301, 302, 303, 304,
589 /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
590 static const unsigned char yyr1
[] =
592 0, 51, 52, 53, 53, 54, 54, 54, 54, 54,
593 54, 54, 54, 54, 54, 54, 54, 54, 54, 54,
594 54, 54, 54, 54, 54, 54, 54, 54, 54, 55,
595 55, 55, 55, 55, 55, 55, 55, 57, 56, 58,
596 56, 56, 59, 60, 60, 60, 61, 61, 62, 62,
597 63, 63, 63, 63, 63, 64, 64, 65, 65, 66,
598 66, 66, 68, 67, 69, 69, 69, 70, 70, 70,
599 70, 70, 70, 71, 71, 72, 73, 74, 75, 75
602 /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
603 static const unsigned char yyr2
[] =
605 0, 2, 4, 0, 2, 1, 1, 1, 3, 1,
606 1, 2, 2, 3, 1, 1, 1, 1, 3, 1,
607 1, 3, 1, 1, 2, 1, 1, 1, 1, 1,
608 1, 2, 1, 2, 2, 1, 1, 0, 3, 0,
609 3, 3, 3, 1, 1, 1, 0, 1, 1, 2,
610 1, 1, 2, 2, 3, 1, 2, 1, 2, 1,
611 2, 2, 0, 3, 1, 3, 2, 0, 2, 2,
612 3, 3, 3, 1, 1, 1, 1, 1, 0, 2
615 /* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
616 STATE-NUM when YYTABLE doesn't specify something else to do. Zero
617 means the default is an error. */
618 static const unsigned char yydefact
[] =
620 3, 0, 0, 1, 39, 37, 0, 0, 0, 32,
621 43, 44, 45, 7, 35, 0, 9, 10, 0, 0,
622 0, 14, 15, 16, 17, 0, 36, 19, 20, 0,
623 22, 23, 0, 0, 25, 26, 27, 28, 0, 6,
624 4, 5, 30, 29, 46, 0, 0, 0, 76, 73,
625 33, 48, 74, 34, 77, 0, 11, 12, 0, 0,
626 0, 24, 31, 0, 62, 0, 0, 57, 59, 47,
627 0, 50, 51, 55, 40, 38, 41, 49, 8, 13,
628 18, 21, 61, 67, 60, 0, 58, 2, 42, 52,
629 53, 56, 63, 64, 79, 54, 66, 67, 0, 0,
630 0, 75, 68, 69, 65, 70, 71, 72
633 /* YYDEFGOTO[NTERM-NUM]. */
634 static const yysigned_char yydefgoto
[] =
636 -1, 1, 2, 40, 65, 42, 46, 45, 43, 44,
637 70, 50, 73, 74, 66, 67, 68, 83, 92, 93,
641 /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
643 #define YYPACT_NINF -67
644 static const yysigned_char yypact
[] =
646 -67, 5, 110, -67, -67, -67, -34, 0, 0, -67,
647 -67, -67, -67, -67, -67, 13, -67, -67, 20, 31,
648 -17, -67, -67, -67, -67, -6, -67, -67, -67, -5,
649 -67, -67, 13, 0, -67, -67, -67, -67, 68, -67,
650 -67, -67, -67, -67, -3, -37, -37, 0, -67, -67,
651 0, -67, -67, 0, -67, 13, -67, -67, 13, 13,
652 13, -67, -67, -2, -67, 3, 21, -67, -67, -67,
653 0, -67, 6, -67, -37, -37, 0, -67, -67, -67,
654 -67, -67, -67, -67, -67, 1, -67, -67, 0, 39,
655 -67, -67, -32, -1, -67, -67, -67, -67, 0, 43,
656 7, -67, -67, -67, -1, -67, -67, -67
659 /* YYPGOTO[NTERM-NUM]. */
660 static const yysigned_char yypgoto
[] =
662 -67, -67, -67, -67, 50, -67, -67, -67, -67, -67,
663 -67, -7, -56, 8, -67, -13, -67, -67, -67, -41,
664 -33, -67, -66, 29, -67
667 /* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If
668 positive, shift that token. If negative, reduce the rule which
669 number is the opposite. If zero, do what YYDEFACT says.
670 If YYTABLE_NINF, syntax error. */
671 #define YYTABLE_NINF -79
672 static const yysigned_char yytable
[] =
674 62, 53, 48, 48, 71, 3, 90, 47, 72, 48,
675 89, 96, 97, 98, 99, 100, 54, 77, 91, 91,
676 77, -78, 63, 95, 56, 58, 4, 5, 6, 7,
677 8, 9, 10, 11, 12, 57, 59, 60, 69, 14,
678 76, 82, 48, 77, 49, 49, 84, 106, 107, 101,
679 94, 26, 41, 86, 75, 77, 104, 0, 33, 0,
680 102, 61, 0, 88, 0, 105, 0, 64, 85, 63,
681 0, 102, 0, 4, 5, 6, 7, 8, 9, 10,
682 11, 12, 0, 0, 78, 0, 14, 79, 80, 81,
683 0, 0, 0, 0, 0, 0, 0, 0, 26, 0,
684 0, 0, 0, 0, 0, 33, 0, 0, 0, 0,
685 0, 0, 0, 0, 64, 4, 5, 6, 7, 8,
686 9, 10, 11, 12, 0, 0, 0, 13, 14, 15,
687 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,
688 26, 27, 28, 29, 30, 31, 32, 33, 34, 35,
689 36, 0, 0, 37, 0, 0, 0, 38, 39
692 static const yysigned_char yycheck
[] =
694 33, 8, 3, 3, 41, 0, 72, 41, 45, 3,
695 4, 43, 44, 14, 15, 16, 3, 50, 74, 75,
696 53, 0, 1, 89, 4, 42, 5, 6, 7, 8,
697 9, 10, 11, 12, 13, 4, 42, 42, 41, 18,
698 47, 43, 3, 76, 45, 45, 43, 4, 41, 50,
699 49, 30, 2, 66, 46, 88, 97, -1, 37, -1,
700 93, 32, -1, 70, -1, 98, -1, 46, 47, 1,
701 -1, 104, -1, 5, 6, 7, 8, 9, 10, 11,
702 12, 13, -1, -1, 55, -1, 18, 58, 59, 60,
703 -1, -1, -1, -1, -1, -1, -1, -1, 30, -1,
704 -1, -1, -1, -1, -1, 37, -1, -1, -1, -1,
705 -1, -1, -1, -1, 46, 5, 6, 7, 8, 9,
706 10, 11, 12, 13, -1, -1, -1, 17, 18, 19,
707 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
708 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
709 40, -1, -1, 43, -1, -1, -1, 47, 48
712 /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
713 symbol of state STATE-NUM. */
714 static const unsigned char yystos
[] =
716 0, 52, 53, 0, 5, 6, 7, 8, 9, 10,
717 11, 12, 13, 17, 18, 19, 20, 21, 22, 23,
718 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
719 34, 35, 36, 37, 38, 39, 40, 43, 47, 48,
720 54, 55, 56, 59, 60, 58, 57, 41, 3, 45,
721 62, 71, 73, 62, 3, 74, 4, 4, 42, 42,
722 42, 74, 71, 1, 46, 55, 65, 66, 67, 41,
723 61, 41, 45, 63, 64, 64, 62, 71, 74, 74,
724 74, 74, 43, 68, 43, 47, 66, 75, 62, 4,
725 73, 63, 69, 70, 49, 73, 43, 44, 14, 15,
726 16, 50, 71, 72, 70, 71, 4, 41
729 #define yyerrok (yyerrstatus = 0)
730 #define yyclearin (yychar = YYEMPTY)
734 #define YYACCEPT goto yyacceptlab
735 #define YYABORT goto yyabortlab
736 #define YYERROR goto yyerrorlab
739 /* Like YYERROR except do call yyerror. This remains here temporarily
740 to ease the transition to the new meaning of YYERROR, for GCC.
741 Once GCC version 2 has supplanted version 1, this can go. */
743 #define YYFAIL goto yyerrlab
745 #define YYRECOVERING() (!!yyerrstatus)
747 #define YYBACKUP(Token, Value) \
749 if (yychar == YYEMPTY && yylen == 1) \
753 yytoken = YYTRANSLATE (yychar); \
759 yyerror (YY_("syntax error: cannot back up")); \
766 #define YYERRCODE 256
769 /* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N].
770 If N is 0, then set CURRENT to the empty location which ends
771 the previous symbol: RHS[0] (always defined). */
773 #define YYRHSLOC(Rhs, K) ((Rhs)[K])
774 #ifndef YYLLOC_DEFAULT
775 # define YYLLOC_DEFAULT(Current, Rhs, N) \
779 (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \
780 (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \
781 (Current).last_line = YYRHSLOC (Rhs, N).last_line; \
782 (Current).last_column = YYRHSLOC (Rhs, N).last_column; \
786 (Current).first_line = (Current).last_line = \
787 YYRHSLOC (Rhs, 0).last_line; \
788 (Current).first_column = (Current).last_column = \
789 YYRHSLOC (Rhs, 0).last_column; \
795 /* YY_LOCATION_PRINT -- Print the location on the stream.
796 This macro was not mandated originally: define only if we know
797 we won't break user code: when these are the locations we know. */
799 #ifndef YY_LOCATION_PRINT
800 # if YYLTYPE_IS_TRIVIAL
801 # define YY_LOCATION_PRINT(File, Loc) \
802 fprintf (File, "%d.%d-%d.%d", \
803 (Loc).first_line, (Loc).first_column, \
804 (Loc).last_line, (Loc).last_column)
806 # define YY_LOCATION_PRINT(File, Loc) ((void) 0)
811 /* YYLEX -- calling `yylex' with the right arguments. */
814 # define YYLEX yylex (&yylval, &yylloc, YYLEX_PARAM)
816 # define YYLEX yylex (&yylval, &yylloc)
819 /* Enable debugging if requested. */
823 # include <stdio.h> /* INFRINGES ON USER NAME SPACE */
824 # define YYFPRINTF fprintf
827 # define YYDPRINTF(Args) \
833 # define YY_SYMBOL_PRINT(Title, Type, Value, Location) \
837 YYFPRINTF (stderr, "%s ", Title); \
838 yysymprint (stderr, \
839 Type, Value, Location); \
840 YYFPRINTF (stderr, "\n"); \
844 /*------------------------------------------------------------------.
845 | yy_stack_print -- Print the state stack from its BOTTOM up to its |
847 `------------------------------------------------------------------*/
849 #if defined (__STDC__) || defined (__cplusplus)
851 yy_stack_print (short int *bottom
, short int *top
)
854 yy_stack_print (bottom
, top
)
859 YYFPRINTF (stderr
, "Stack now");
860 for (/* Nothing. */; bottom
<= top
; ++bottom
)
861 YYFPRINTF (stderr
, " %d", *bottom
);
862 YYFPRINTF (stderr
, "\n");
865 # define YY_STACK_PRINT(Bottom, Top) \
868 yy_stack_print ((Bottom), (Top)); \
872 /*------------------------------------------------.
873 | Report that the YYRULE is going to be reduced. |
874 `------------------------------------------------*/
876 #if defined (__STDC__) || defined (__cplusplus)
878 yy_reduce_print (int yyrule
)
881 yy_reduce_print (yyrule
)
886 unsigned long int yylno
= yyrline
[yyrule
];
887 YYFPRINTF (stderr
, "Reducing stack by rule %d (line %lu), ",
889 /* Print the symbols being reduced, and their result. */
890 for (yyi
= yyprhs
[yyrule
]; 0 <= yyrhs
[yyi
]; yyi
++)
891 YYFPRINTF (stderr
, "%s ", yytname
[yyrhs
[yyi
]]);
892 YYFPRINTF (stderr
, "-> %s\n", yytname
[yyr1
[yyrule
]]);
895 # define YY_REDUCE_PRINT(Rule) \
898 yy_reduce_print (Rule); \
901 /* Nonzero means print parse trace. It is left uninitialized so that
902 multiple parsers can coexist. */
905 # define YYDPRINTF(Args)
906 # define YY_SYMBOL_PRINT(Title, Type, Value, Location)
907 # define YY_STACK_PRINT(Bottom, Top)
908 # define YY_REDUCE_PRINT(Rule)
909 #endif /* !YYDEBUG */
912 /* YYINITDEPTH -- initial size of the parser's stacks. */
914 # define YYINITDEPTH 200
917 /* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
918 if the built-in stack extension method is used).
920 Do not make this value too large; the results are undefined if
921 YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH)
922 evaluated with infinite-precision integer arithmetic. */
925 # define YYMAXDEPTH 10000
933 # if defined (__GLIBC__) && defined (_STRING_H)
934 # define yystrlen strlen
936 /* Return the length of YYSTR. */
938 # if defined (__STDC__) || defined (__cplusplus)
939 yystrlen (const char *yystr
)
945 const char *yys
= yystr
;
947 while (*yys
++ != '\0')
950 return yys
- yystr
- 1;
956 # if defined (__GLIBC__) && defined (_STRING_H) && defined (_GNU_SOURCE)
957 # define yystpcpy stpcpy
959 /* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
962 # if defined (__STDC__) || defined (__cplusplus)
963 yystpcpy (char *yydest
, const char *yysrc
)
965 yystpcpy (yydest
, yysrc
)
971 const char *yys
= yysrc
;
973 while ((*yyd
++ = *yys
++) != '\0')
982 /* Copy to YYRES the contents of YYSTR after stripping away unnecessary
983 quotes and backslashes, so that it's suitable for yyerror. The
984 heuristic is that double-quoting is unnecessary unless the string
985 contains an apostrophe, a comma, or backslash (other than
986 backslash-backslash). YYSTR is taken from yytname. If YYRES is
987 null, do not copy; instead, return the length of what the result
990 yytnamerr (char *yyres
, const char *yystr
)
995 char const *yyp
= yystr
;
1002 goto do_not_strip_quotes
;
1006 goto do_not_strip_quotes
;
1019 do_not_strip_quotes
: ;
1023 return yystrlen (yystr
);
1025 return yystpcpy (yyres
, yystr
) - yyres
;
1029 /* Copy into YYRESULT an error message about the unexpected token
1030 YYCHAR while in state YYSTATE. Return the number of bytes copied,
1031 including the terminating null byte. If YYRESULT is null, do not
1032 copy anything; just return the number of bytes that would be
1033 copied. As a special case, return 0 if an ordinary "syntax error"
1034 message will do. Return YYSIZE_MAXIMUM if overflow occurs during
1035 size calculation. */
1037 yysyntax_error (char *yyresult
, int yystate
, int yychar
)
1039 int yyn
= yypact
[yystate
];
1041 if (! (YYPACT_NINF
< yyn
&& yyn
< YYLAST
))
1045 int yytype
= YYTRANSLATE (yychar
);
1046 YYSIZE_T yysize0
= yytnamerr (0, yytname
[yytype
]);
1047 YYSIZE_T yysize
= yysize0
;
1049 int yysize_overflow
= 0;
1050 enum { YYERROR_VERBOSE_ARGS_MAXIMUM
= 5 };
1051 char const *yyarg
[YYERROR_VERBOSE_ARGS_MAXIMUM
];
1055 /* This is so xgettext sees the translatable formats that are
1056 constructed on the fly. */
1057 YY_("syntax error, unexpected %s");
1058 YY_("syntax error, unexpected %s, expecting %s");
1059 YY_("syntax error, unexpected %s, expecting %s or %s");
1060 YY_("syntax error, unexpected %s, expecting %s or %s or %s");
1061 YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s");
1065 static char const yyunexpected
[] = "syntax error, unexpected %s";
1066 static char const yyexpecting
[] = ", expecting %s";
1067 static char const yyor
[] = " or %s";
1068 char yyformat
[sizeof yyunexpected
1069 + sizeof yyexpecting
- 1
1070 + ((YYERROR_VERBOSE_ARGS_MAXIMUM
- 2)
1071 * (sizeof yyor
- 1))];
1072 char const *yyprefix
= yyexpecting
;
1074 /* Start YYX at -YYN if negative to avoid negative indexes in
1076 int yyxbegin
= yyn
< 0 ? -yyn
: 0;
1078 /* Stay within bounds of both yycheck and yytname. */
1079 int yychecklim
= YYLAST
- yyn
;
1080 int yyxend
= yychecklim
< YYNTOKENS
? yychecklim
: YYNTOKENS
;
1083 yyarg
[0] = yytname
[yytype
];
1084 yyfmt
= yystpcpy (yyformat
, yyunexpected
);
1086 for (yyx
= yyxbegin
; yyx
< yyxend
; ++yyx
)
1087 if (yycheck
[yyx
+ yyn
] == yyx
&& yyx
!= YYTERROR
)
1089 if (yycount
== YYERROR_VERBOSE_ARGS_MAXIMUM
)
1093 yyformat
[sizeof yyunexpected
- 1] = '\0';
1096 yyarg
[yycount
++] = yytname
[yyx
];
1097 yysize1
= yysize
+ yytnamerr (0, yytname
[yyx
]);
1098 yysize_overflow
|= yysize1
< yysize
;
1100 yyfmt
= yystpcpy (yyfmt
, yyprefix
);
1104 yyf
= YY_(yyformat
);
1105 yysize1
= yysize
+ yystrlen (yyf
);
1106 yysize_overflow
|= yysize1
< yysize
;
1109 if (yysize_overflow
)
1110 return YYSIZE_MAXIMUM
;
1114 /* Avoid sprintf, as that infringes on the user's name space.
1115 Don't have undefined behavior even if the translation
1116 produced a string with the wrong number of "%s"s. */
1117 char *yyp
= yyresult
;
1119 while ((*yyp
= *yyf
))
1121 if (*yyp
== '%' && yyf
[1] == 's' && yyi
< yycount
)
1123 yyp
+= yytnamerr (yyp
, yyarg
[yyi
++]);
1136 #endif /* YYERROR_VERBOSE */
1140 /*--------------------------------.
1141 | Print this symbol on YYOUTPUT. |
1142 `--------------------------------*/
1144 #if defined (__STDC__) || defined (__cplusplus)
1146 yysymprint (FILE *yyoutput
, int yytype
, YYSTYPE
*yyvaluep
, YYLTYPE
*yylocationp
)
1149 yysymprint (yyoutput
, yytype
, yyvaluep
, yylocationp
)
1153 YYLTYPE
*yylocationp
;
1156 /* Pacify ``unused variable'' warnings. */
1160 if (yytype
< YYNTOKENS
)
1161 YYFPRINTF (yyoutput
, "token %s (", yytname
[yytype
]);
1163 YYFPRINTF (yyoutput
, "nterm %s (", yytname
[yytype
]);
1165 YY_LOCATION_PRINT (yyoutput
, *yylocationp
);
1166 YYFPRINTF (yyoutput
, ": ");
1169 if (yytype
< YYNTOKENS
)
1170 YYPRINT (yyoutput
, yytoknum
[yytype
], *yyvaluep
);
1174 case 3: /* "\"string\"" */
1175 #line 165 "parse-gram.y"
1176 { fprintf (stderr
, "\"%s\"", (yyvaluep
->chars
)); };
1177 #line 1178 "parse-gram.c"
1179 case 4: /* "\"integer\"" */
1180 #line 178 "parse-gram.y"
1181 { fprintf (stderr
, "%d", (yyvaluep
->integer
)); };
1182 #line 1183 "parse-gram.c"
1184 case 8: /* "\"%destructor {...}\"" */
1185 #line 167 "parse-gram.y"
1186 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1187 #line 1188 "parse-gram.c"
1189 case 9: /* "\"%printer {...}\"" */
1190 #line 171 "parse-gram.y"
1191 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1192 #line 1193 "parse-gram.c"
1194 case 10: /* "\"%union {...}\"" */
1195 #line 172 "parse-gram.y"
1196 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1197 #line 1198 "parse-gram.c"
1199 case 26: /* "\"%initial-action {...}\"" */
1200 #line 168 "parse-gram.y"
1201 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1202 #line 1203 "parse-gram.c"
1204 case 27: /* "\"%lex-param {...}\"" */
1205 #line 169 "parse-gram.y"
1206 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1207 #line 1208 "parse-gram.c"
1209 case 34: /* "\"%parse-param {...}\"" */
1210 #line 170 "parse-gram.y"
1211 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1212 #line 1213 "parse-gram.c"
1214 case 41: /* "\"type\"" */
1215 #line 176 "parse-gram.y"
1216 { fprintf (stderr
, "<%s>", (yyvaluep
->uniqstr
)); };
1217 #line 1218 "parse-gram.c"
1219 case 45: /* "\"identifier\"" */
1220 #line 180 "parse-gram.y"
1221 { fprintf (stderr
, "%s", (yyvaluep
->symbol
)->tag
); };
1222 #line 1223 "parse-gram.c"
1224 case 46: /* "\"identifier:\"" */
1225 #line 182 "parse-gram.y"
1226 { fprintf (stderr
, "%s:", (yyvaluep
->symbol
)->tag
); };
1227 #line 1228 "parse-gram.c"
1229 case 48: /* "\"%{...%}\"" */
1230 #line 174 "parse-gram.y"
1231 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1232 #line 1233 "parse-gram.c"
1234 case 49: /* "\"epilogue\"" */
1235 #line 174 "parse-gram.y"
1236 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1237 #line 1238 "parse-gram.c"
1239 case 50: /* "\"{...}\"" */
1240 #line 173 "parse-gram.y"
1241 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1242 #line 1243 "parse-gram.c"
1244 case 71: /* "symbol" */
1245 #line 180 "parse-gram.y"
1246 { fprintf (stderr
, "%s", (yyvaluep
->symbol
)->tag
); };
1247 #line 1248 "parse-gram.c"
1249 case 72: /* "action" */
1250 #line 173 "parse-gram.y"
1251 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1252 #line 1253 "parse-gram.c"
1254 case 73: /* "string_as_id" */
1255 #line 180 "parse-gram.y"
1256 { fprintf (stderr
, "%s", (yyvaluep
->symbol
)->tag
); };
1257 #line 1258 "parse-gram.c"
1259 case 74: /* "string_content" */
1260 #line 165 "parse-gram.y"
1261 { fprintf (stderr
, "\"%s\"", (yyvaluep
->chars
)); };
1262 #line 1263 "parse-gram.c"
1267 YYFPRINTF (yyoutput
, ")");
1270 #endif /* ! YYDEBUG */
1271 /*-----------------------------------------------.
1272 | Release the memory associated to this symbol. |
1273 `-----------------------------------------------*/
1275 #if defined (__STDC__) || defined (__cplusplus)
1277 yydestruct (const char *yymsg
, int yytype
, YYSTYPE
*yyvaluep
, YYLTYPE
*yylocationp
)
1280 yydestruct (yymsg
, yytype
, yyvaluep
, yylocationp
)
1284 YYLTYPE
*yylocationp
;
1287 /* Pacify ``unused variable'' warnings. */
1293 YY_SYMBOL_PRINT (yymsg
, yytype
, yyvaluep
, yylocationp
);
1304 /* Prevent warnings from -Wmissing-prototypes. */
1306 #ifdef YYPARSE_PARAM
1307 # if defined (__STDC__) || defined (__cplusplus)
1308 int yyparse (void *YYPARSE_PARAM
);
1312 #else /* ! YYPARSE_PARAM */
1313 #if defined (__STDC__) || defined (__cplusplus)
1318 #endif /* ! YYPARSE_PARAM */
1329 #ifdef YYPARSE_PARAM
1330 # if defined (__STDC__) || defined (__cplusplus)
1331 int yyparse (void *YYPARSE_PARAM
)
1333 int yyparse (YYPARSE_PARAM
)
1334 void *YYPARSE_PARAM
;
1336 #else /* ! YYPARSE_PARAM */
1337 #if defined (__STDC__) || defined (__cplusplus)
1347 /* The look-ahead symbol. */
1350 /* The semantic value of the look-ahead symbol. */
1353 /* Number of syntax errors so far. */
1355 /* Location data for the look-ahead symbol. */
1361 /* Number of tokens to shift before error messages enabled. */
1363 /* Look-ahead token as an internal (translated) token number. */
1366 /* Buffer for error messages, and its allocated size. */
1368 char *yymsg
= yymsgbuf
;
1369 YYSIZE_T yymsg_alloc
= sizeof yymsgbuf
;
1372 /* Three stacks and their tools:
1373 `yyss': related to states,
1374 `yyvs': related to semantic values,
1375 `yyls': related to locations.
1377 Refer to the stacks thru separate pointers, to allow yyoverflow
1378 to reallocate them elsewhere. */
1380 /* The state stack. */
1381 short int yyssa
[YYINITDEPTH
];
1382 short int *yyss
= yyssa
;
1385 /* The semantic value stack. */
1386 YYSTYPE yyvsa
[YYINITDEPTH
];
1387 YYSTYPE
*yyvs
= yyvsa
;
1390 /* The location stack. */
1391 YYLTYPE yylsa
[YYINITDEPTH
];
1392 YYLTYPE
*yyls
= yylsa
;
1394 /* The locations where the error started and ended. */
1395 YYLTYPE yyerror_range
[2];
1397 #define YYPOPSTACK (yyvsp--, yyssp--, yylsp--)
1399 YYSIZE_T yystacksize
= YYINITDEPTH
;
1401 /* The variables used to return semantic value and location from the
1406 /* When reducing, the number of symbols on the RHS of the reduced
1410 YYDPRINTF ((stderr
, "Starting parse\n"));
1415 yychar
= YYEMPTY
; /* Cause a token to be read. */
1417 /* Initialize stack pointers.
1418 Waste one element of value and location stack
1419 so that they stay on the same level as the state stack.
1420 The wasted elements are never initialized. */
1425 #if YYLTYPE_IS_TRIVIAL
1426 /* Initialize the default location before parsing starts. */
1427 yylloc
.first_line
= yylloc
.last_line
= 1;
1428 yylloc
.first_column
= yylloc
.last_column
= 0;
1432 /* User initialization code. */
1433 #line 69 "parse-gram.y"
1435 /* Bison's grammar can initial empty locations, hence a default
1436 location is needed. */
1437 yylloc
.start
.file
= yylloc
.end
.file
= current_file
;
1438 yylloc
.start
.line
= yylloc
.end
.line
= 1;
1439 yylloc
.start
.column
= yylloc
.end
.column
= 0;
1441 /* Line 1044 of yacc.c. */
1442 #line 1443 "parse-gram.c"
1446 /*------------------------------------------------------------.
1447 | yynewstate -- Push a new state, which is found in yystate. |
1448 `------------------------------------------------------------*/
1450 /* In all cases, when you get here, the value and location stacks
1451 have just been pushed. so pushing a state here evens the stacks.
1458 if (yyss
+ yystacksize
- 1 <= yyssp
)
1460 /* Get the current used size of the three stacks, in elements. */
1461 YYSIZE_T yysize
= yyssp
- yyss
+ 1;
1465 /* Give user a chance to reallocate the stack. Use copies of
1466 these so that the &'s don't force the real ones into
1468 YYSTYPE
*yyvs1
= yyvs
;
1469 short int *yyss1
= yyss
;
1470 YYLTYPE
*yyls1
= yyls
;
1472 /* Each stack pointer address is followed by the size of the
1473 data in use in that stack, in bytes. This used to be a
1474 conditional around just the two extra args, but that might
1475 be undefined if yyoverflow is a macro. */
1476 yyoverflow (YY_("memory exhausted"),
1477 &yyss1
, yysize
* sizeof (*yyssp
),
1478 &yyvs1
, yysize
* sizeof (*yyvsp
),
1479 &yyls1
, yysize
* sizeof (*yylsp
),
1485 #else /* no yyoverflow */
1486 # ifndef YYSTACK_RELOCATE
1487 goto yyexhaustedlab
;
1489 /* Extend the stack our own way. */
1490 if (YYMAXDEPTH
<= yystacksize
)
1491 goto yyexhaustedlab
;
1493 if (YYMAXDEPTH
< yystacksize
)
1494 yystacksize
= YYMAXDEPTH
;
1497 short int *yyss1
= yyss
;
1498 union yyalloc
*yyptr
=
1499 (union yyalloc
*) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize
));
1501 goto yyexhaustedlab
;
1502 YYSTACK_RELOCATE (yyss
);
1503 YYSTACK_RELOCATE (yyvs
);
1504 YYSTACK_RELOCATE (yyls
);
1505 # undef YYSTACK_RELOCATE
1507 YYSTACK_FREE (yyss1
);
1510 #endif /* no yyoverflow */
1512 yyssp
= yyss
+ yysize
- 1;
1513 yyvsp
= yyvs
+ yysize
- 1;
1514 yylsp
= yyls
+ yysize
- 1;
1516 YYDPRINTF ((stderr
, "Stack size increased to %lu\n",
1517 (unsigned long int) yystacksize
));
1519 if (yyss
+ yystacksize
- 1 <= yyssp
)
1523 YYDPRINTF ((stderr
, "Entering state %d\n", yystate
));
1532 /* Do appropriate processing given the current state. */
1533 /* Read a look-ahead token if we need one and don't already have one. */
1536 /* First try to decide what to do without reference to look-ahead token. */
1538 yyn
= yypact
[yystate
];
1539 if (yyn
== YYPACT_NINF
)
1542 /* Not known => get a look-ahead token if don't already have one. */
1544 /* YYCHAR is either YYEMPTY or YYEOF or a valid look-ahead symbol. */
1545 if (yychar
== YYEMPTY
)
1547 YYDPRINTF ((stderr
, "Reading a token: "));
1551 if (yychar
<= YYEOF
)
1553 yychar
= yytoken
= YYEOF
;
1554 YYDPRINTF ((stderr
, "Now at end of input.\n"));
1558 yytoken
= YYTRANSLATE (yychar
);
1559 YY_SYMBOL_PRINT ("Next token is", yytoken
, &yylval
, &yylloc
);
1562 /* If the proper action on seeing token YYTOKEN is to reduce or to
1563 detect an error, take that action. */
1565 if (yyn
< 0 || YYLAST
< yyn
|| yycheck
[yyn
] != yytoken
)
1570 if (yyn
== 0 || yyn
== YYTABLE_NINF
)
1579 /* Shift the look-ahead token. */
1580 YY_SYMBOL_PRINT ("Shifting", yytoken
, &yylval
, &yylloc
);
1582 /* Discard the token being shifted unless it is eof. */
1583 if (yychar
!= YYEOF
)
1589 /* Count tokens shifted since error; after three, turn off error
1598 /*-----------------------------------------------------------.
1599 | yydefault -- do the default action for the current state. |
1600 `-----------------------------------------------------------*/
1602 yyn
= yydefact
[yystate
];
1608 /*-----------------------------.
1609 | yyreduce -- Do a reduction. |
1610 `-----------------------------*/
1612 /* yyn is the number of a rule to reduce with. */
1615 /* If YYLEN is nonzero, implement the default value of the action:
1618 Otherwise, the following line sets YYVAL to garbage.
1619 This behavior is undocumented and Bison
1620 users should not rely upon it. Assigning to YYVAL
1621 unconditionally makes the parser a bit smaller, and it avoids a
1622 GCC warning that YYVAL may be used uninitialized. */
1623 yyval
= yyvsp
[1-yylen
];
1625 /* Default location. */
1626 YYLLOC_DEFAULT (yyloc
, yylsp
- yylen
, yylen
);
1627 YY_REDUCE_PRINT (yyn
);
1631 #line 203 "parse-gram.y"
1632 { prologue_augment ((yyvsp
[0].chars
), (yylsp
[0])); }
1636 #line 204 "parse-gram.y"
1637 { debug_flag
= true; }
1641 #line 205 "parse-gram.y"
1642 { muscle_insert ((yyvsp
[-1].chars
), (yyvsp
[0].chars
)); }
1646 #line 206 "parse-gram.y"
1647 { defines_flag
= true; }
1651 #line 207 "parse-gram.y"
1652 { error_verbose
= true; }
1656 #line 208 "parse-gram.y"
1657 { expected_sr_conflicts
= (yyvsp
[0].integer
); }
1661 #line 209 "parse-gram.y"
1662 { expected_rr_conflicts
= (yyvsp
[0].integer
); }
1666 #line 210 "parse-gram.y"
1667 { spec_file_prefix
= (yyvsp
[0].chars
); }
1671 #line 212 "parse-gram.y"
1673 nondeterministic_parser
= true;
1679 #line 217 "parse-gram.y"
1681 muscle_code_grow ("initial_action", (yyvsp
[0].chars
), (yylsp
[0]));
1686 #line 220 "parse-gram.y"
1687 { add_param ("lex_param", (yyvsp
[0].chars
), (yylsp
[0])); }
1691 #line 221 "parse-gram.y"
1692 { locations_flag
= true; }
1696 #line 222 "parse-gram.y"
1697 { spec_name_prefix
= (yyvsp
[0].chars
); }
1701 #line 223 "parse-gram.y"
1702 { no_lines_flag
= true; }
1706 #line 224 "parse-gram.y"
1707 { nondeterministic_parser
= true; }
1711 #line 225 "parse-gram.y"
1712 { spec_outfile
= (yyvsp
[0].chars
); }
1716 #line 226 "parse-gram.y"
1717 { add_param ("parse_param", (yyvsp
[0].chars
), (yylsp
[0])); }
1721 #line 227 "parse-gram.y"
1722 { pure_parser
= true; }
1726 #line 228 "parse-gram.y"
1727 { skeleton
= (yyvsp
[0].chars
); }
1731 #line 229 "parse-gram.y"
1732 { token_table_flag
= true; }
1736 #line 230 "parse-gram.y"
1737 { report_flag
= report_states
; }
1741 #line 231 "parse-gram.y"
1742 { yacc_flag
= true; }
1746 #line 239 "parse-gram.y"
1748 grammar_start_symbol_set ((yyvsp
[0].symbol
), (yylsp
[0]));
1753 #line 243 "parse-gram.y"
1756 MUSCLE_INSERT_INT ("stype_line", (yylsp
[0]).start
.line
);
1757 muscle_insert ("stype", (yyvsp
[0].chars
));
1762 #line 249 "parse-gram.y"
1765 for (list
= (yyvsp
[0].list
); list
; list
= list
->next
)
1766 symbol_destructor_set (list
->sym
, (yyvsp
[-1].chars
), (yylsp
[-1]));
1767 symbol_list_free ((yyvsp
[0].list
));
1772 #line 256 "parse-gram.y"
1775 for (list
= (yyvsp
[0].list
); list
; list
= list
->next
)
1776 symbol_printer_set (list
->sym
, (yyvsp
[-1].chars
), list
->location
);
1777 symbol_list_free ((yyvsp
[0].list
));
1782 #line 263 "parse-gram.y"
1784 default_prec
= true;
1789 #line 267 "parse-gram.y"
1791 default_prec
= false;
1796 #line 273 "parse-gram.y"
1797 { current_class
= nterm_sym
; }
1801 #line 274 "parse-gram.y"
1803 current_class
= unknown_sym
;
1804 current_type
= NULL
;
1809 #line 278 "parse-gram.y"
1810 { current_class
= token_sym
; }
1814 #line 279 "parse-gram.y"
1816 current_class
= unknown_sym
;
1817 current_type
= NULL
;
1822 #line 284 "parse-gram.y"
1825 for (list
= (yyvsp
[0].list
); list
; list
= list
->next
)
1826 symbol_type_set (list
->sym
, (yyvsp
[-1].uniqstr
), (yylsp
[-1]));
1827 symbol_list_free ((yyvsp
[0].list
));
1832 #line 294 "parse-gram.y"
1836 for (list
= (yyvsp
[0].list
); list
; list
= list
->next
)
1838 symbol_type_set (list
->sym
, current_type
, (yylsp
[-1]));
1839 symbol_precedence_set (list
->sym
, current_prec
, (yyvsp
[-2].assoc
), (yylsp
[-2]));
1841 symbol_list_free ((yyvsp
[0].list
));
1842 current_type
= NULL
;
1847 #line 308 "parse-gram.y"
1848 { (yyval
.assoc
) = left_assoc
; }
1852 #line 309 "parse-gram.y"
1853 { (yyval
.assoc
) = right_assoc
; }
1857 #line 310 "parse-gram.y"
1858 { (yyval
.assoc
) = non_assoc
; }
1862 #line 314 "parse-gram.y"
1863 { current_type
= NULL
; }
1867 #line 315 "parse-gram.y"
1868 { current_type
= (yyvsp
[0].uniqstr
); }
1872 #line 321 "parse-gram.y"
1873 { (yyval
.list
) = symbol_list_new ((yyvsp
[0].symbol
), (yylsp
[0])); }
1877 #line 322 "parse-gram.y"
1878 { (yyval
.list
) = symbol_list_prepend ((yyvsp
[-1].list
), (yyvsp
[0].symbol
), (yylsp
[0])); }
1882 #line 328 "parse-gram.y"
1884 current_type
= (yyvsp
[0].uniqstr
);
1889 #line 332 "parse-gram.y"
1891 symbol_class_set ((yyvsp
[0].symbol
), current_class
, (yylsp
[0]));
1892 symbol_type_set ((yyvsp
[0].symbol
), current_type
, (yylsp
[0]));
1897 #line 337 "parse-gram.y"
1899 symbol_class_set ((yyvsp
[-1].symbol
), current_class
, (yylsp
[-1]));
1900 symbol_type_set ((yyvsp
[-1].symbol
), current_type
, (yylsp
[-1]));
1901 symbol_user_token_number_set ((yyvsp
[-1].symbol
), (yyvsp
[0].integer
), (yylsp
[0]));
1906 #line 343 "parse-gram.y"
1908 symbol_class_set ((yyvsp
[-1].symbol
), current_class
, (yylsp
[-1]));
1909 symbol_type_set ((yyvsp
[-1].symbol
), current_type
, (yylsp
[-1]));
1910 symbol_make_alias ((yyvsp
[-1].symbol
), (yyvsp
[0].symbol
), (yyloc
));
1915 #line 349 "parse-gram.y"
1917 symbol_class_set ((yyvsp
[-2].symbol
), current_class
, (yylsp
[-2]));
1918 symbol_type_set ((yyvsp
[-2].symbol
), current_type
, (yylsp
[-2]));
1919 symbol_user_token_number_set ((yyvsp
[-2].symbol
), (yyvsp
[-1].integer
), (yylsp
[-1]));
1920 symbol_make_alias ((yyvsp
[-2].symbol
), (yyvsp
[0].symbol
), (yyloc
));
1925 #line 378 "parse-gram.y"
1928 complain_at ((yyloc
), _("POSIX forbids declarations in the grammar"));
1933 #line 383 "parse-gram.y"
1940 #line 389 "parse-gram.y"
1941 { current_lhs
= (yyvsp
[0].symbol
); current_lhs_location
= (yylsp
[0]); }
1945 #line 393 "parse-gram.y"
1946 { grammar_rule_end ((yylsp
[0])); }
1950 #line 394 "parse-gram.y"
1951 { grammar_rule_end ((yylsp
[0])); }
1955 #line 400 "parse-gram.y"
1956 { grammar_rule_begin (current_lhs
, current_lhs_location
); }
1960 #line 402 "parse-gram.y"
1961 { grammar_current_rule_symbol_append ((yyvsp
[0].symbol
), (yylsp
[0])); }
1965 #line 404 "parse-gram.y"
1966 { grammar_current_rule_action_append ((yyvsp
[0].chars
), (yylsp
[0])); }
1970 #line 406 "parse-gram.y"
1971 { grammar_current_rule_prec_set ((yyvsp
[0].symbol
), (yylsp
[0])); }
1975 #line 408 "parse-gram.y"
1976 { grammar_current_rule_dprec_set ((yyvsp
[0].integer
), (yylsp
[0])); }
1980 #line 410 "parse-gram.y"
1981 { grammar_current_rule_merge_set ((yyvsp
[0].uniqstr
), (yylsp
[0])); }
1985 #line 414 "parse-gram.y"
1986 { (yyval
.symbol
) = (yyvsp
[0].symbol
); }
1990 #line 415 "parse-gram.y"
1991 { (yyval
.symbol
) = (yyvsp
[0].symbol
); }
1995 #line 420 "parse-gram.y"
1996 { (yyval
.chars
) = (yyvsp
[0].chars
); }
2000 #line 426 "parse-gram.y"
2002 (yyval
.symbol
) = symbol_get (quotearg_style (c_quoting_style
, (yyvsp
[0].chars
)), (yylsp
[0]));
2003 symbol_class_set ((yyval
.symbol
), token_sym
, (yylsp
[0]));
2008 #line 435 "parse-gram.y"
2009 { (yyval
.chars
) = (yyvsp
[0].chars
); }
2013 #line 442 "parse-gram.y"
2015 muscle_code_grow ("epilogue", (yyvsp
[0].chars
), (yylsp
[0]));
2016 scanner_last_string_free ();
2024 /* Line 1240 of yacc.c. */
2025 #line 2026 "parse-gram.c"
2031 YY_STACK_PRINT (yyss
, yyssp
);
2036 /* Now `shift' the result of the reduction. Determine what state
2037 that goes to, based on the state we popped back to and the rule
2038 number reduced by. */
2042 yystate
= yypgoto
[yyn
- YYNTOKENS
] + *yyssp
;
2043 if (0 <= yystate
&& yystate
<= YYLAST
&& yycheck
[yystate
] == *yyssp
)
2044 yystate
= yytable
[yystate
];
2046 yystate
= yydefgoto
[yyn
- YYNTOKENS
];
2051 /*------------------------------------.
2052 | yyerrlab -- here on detecting error |
2053 `------------------------------------*/
2055 /* If not already recovering from an error, report this error. */
2059 #if ! YYERROR_VERBOSE
2060 yyerror (YY_("syntax error"));
2063 YYSIZE_T yysize
= yysyntax_error (0, yystate
, yychar
);
2064 if (yymsg_alloc
< yysize
&& yymsg_alloc
< YYSTACK_ALLOC_MAXIMUM
)
2066 YYSIZE_T yyalloc
= 2 * yysize
;
2067 if (! (yysize
<= yyalloc
&& yyalloc
<= YYSTACK_ALLOC_MAXIMUM
))
2068 yyalloc
= YYSTACK_ALLOC_MAXIMUM
;
2069 if (yymsg
!= yymsgbuf
)
2070 YYSTACK_FREE (yymsg
);
2071 yymsg
= (char *) YYSTACK_ALLOC (yyalloc
);
2073 yymsg_alloc
= yyalloc
;
2077 yymsg_alloc
= sizeof yymsgbuf
;
2081 if (0 < yysize
&& yysize
<= yymsg_alloc
)
2083 (void) yysyntax_error (yymsg
, yystate
, yychar
);
2088 yyerror (YY_("syntax error"));
2090 goto yyexhaustedlab
;
2096 yyerror_range
[0] = yylloc
;
2098 if (yyerrstatus
== 3)
2100 /* If just tried and failed to reuse look-ahead token after an
2101 error, discard it. */
2103 if (yychar
<= YYEOF
)
2105 /* Return failure if at end of input. */
2106 if (yychar
== YYEOF
)
2111 yydestruct ("Error: discarding", yytoken
, &yylval
, &yylloc
);
2116 /* Else will try to reuse look-ahead token after shifting the error
2121 /*---------------------------------------------------.
2122 | yyerrorlab -- error raised explicitly by YYERROR. |
2123 `---------------------------------------------------*/
2126 /* Pacify compilers like GCC when the user code never invokes
2127 YYERROR and the label yyerrorlab therefore never appears in user
2132 yyerror_range
[0] = yylsp
[1-yylen
];
2140 /*-------------------------------------------------------------.
2141 | yyerrlab1 -- common code for both syntax error and YYERROR. |
2142 `-------------------------------------------------------------*/
2144 yyerrstatus
= 3; /* Each real token shifted decrements this. */
2148 yyn
= yypact
[yystate
];
2149 if (yyn
!= YYPACT_NINF
)
2152 if (0 <= yyn
&& yyn
<= YYLAST
&& yycheck
[yyn
] == YYTERROR
)
2160 /* Pop the current state because it cannot handle the error token. */
2164 yyerror_range
[0] = *yylsp
;
2165 yydestruct ("Error: popping", yystos
[yystate
], yyvsp
, yylsp
);
2168 YY_STACK_PRINT (yyss
, yyssp
);
2176 yyerror_range
[1] = yylloc
;
2177 /* Using YYLLOC is tempting, but would change the location of
2178 the look-ahead. YYLOC is available though. */
2179 YYLLOC_DEFAULT (yyloc
, yyerror_range
- 1, 2);
2182 /* Shift the error token. */
2183 YY_SYMBOL_PRINT ("Shifting", yystos
[yyn
], yyvsp
, yylsp
);
2189 /*-------------------------------------.
2190 | yyacceptlab -- YYACCEPT comes here. |
2191 `-------------------------------------*/
2196 /*-----------------------------------.
2197 | yyabortlab -- YYABORT comes here. |
2198 `-----------------------------------*/
2204 /*-------------------------------------------------.
2205 | yyexhaustedlab -- memory exhaustion comes here. |
2206 `-------------------------------------------------*/
2208 yyerror (YY_("memory exhausted"));
2214 if (yychar
!= YYEOF
&& yychar
!= YYEMPTY
)
2215 yydestruct ("Cleanup: discarding lookahead",
2216 yytoken
, &yylval
, &yylloc
);
2217 while (yyssp
!= yyss
)
2219 yydestruct ("Cleanup: popping",
2220 yystos
[*yyssp
], yyvsp
, yylsp
);
2225 YYSTACK_FREE (yyss
);
2228 if (yymsg
!= yymsgbuf
)
2229 YYSTACK_FREE (yymsg
);
2235 #line 448 "parse-gram.y"
2239 /* Return the location of the left-hand side of a rule whose
2240 right-hand side is RHS[1] ... RHS[N]. Ignore empty nonterminals in
2241 the right-hand side, and return an empty location equal to the end
2242 boundary of RHS[0] if the right-hand side is empty. */
2245 lloc_default (YYLTYPE
const *rhs
, int n
)
2250 /* SGI MIPSpro 7.4.1m miscompiles "loc.start = loc.end = rhs[n].end;".
2251 The bug is fixed in 7.4.2m, but play it safe for now. */
2252 loc
.start
= rhs
[n
].end
;
2253 loc
.end
= rhs
[n
].end
;
2255 /* Ignore empty nonterminals the start of the the right-hand side.
2256 Do not bother to ignore them at the end of the right-hand side,
2257 since empty nonterminals have the same end as their predecessors. */
2258 for (i
= 1; i
<= n
; i
++)
2259 if (! equal_boundaries (rhs
[i
].start
, rhs
[i
].end
))
2261 loc
.start
= rhs
[i
].start
;
2269 /* Add a lex-param or a parse-param (depending on TYPE) with
2270 declaration DECL and location LOC. */
2273 add_param (char const *type
, char *decl
, location loc
)
2275 static char const alphanum
[26 + 26 + 1 + 10] =
2276 "abcdefghijklmnopqrstuvwxyz"
2277 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
2280 char const *name_start
= NULL
;
2283 /* Stop on last actual character. */
2284 for (p
= decl
; p
[1]; p
++)
2286 || ! memchr (alphanum
, p
[-1], sizeof alphanum
))
2287 && memchr (alphanum
, p
[0], sizeof alphanum
- 10))
2290 /* Strip the surrounding '{' and '}', and any blanks just inside
2292 while (*--p
== ' ' || *p
== '\t')
2295 while (*++decl
== ' ' || *decl
== '\t')
2299 complain_at (loc
, _("missing identifier in parameter declaration"));
2306 memchr (alphanum
, name_start
[name_len
], sizeof alphanum
);
2310 name
= xmalloc (name_len
+ 1);
2311 memcpy (name
, name_start
, name_len
);
2312 name
[name_len
] = '\0';
2313 muscle_pair_list_grow (type
, decl
, name
);
2317 scanner_last_string_free ();
2321 gram_error (location
const *loc
, char const *msg
)
2323 complain_at (*loc
, "%s", msg
);
2327 token_name (int type
)
2329 return yytname
[YYTRANSLATE (type
)];