1 /* A Bison parser, made by GNU Bison 2.0c. */
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 YYSKELETON_NAME "yacc.c"
45 /* Using locations. */
46 #define YYLSP_NEEDED 1
48 /* Substitute the variable and function names. */
49 #define yyparse gram_parse
50 #define yylex gram_lex
51 #define yyerror gram_error
52 #define yylval gram_lval
53 #define yychar gram_char
54 #define yydebug gram_debug
55 #define yynerrs gram_nerrs
56 #define yylloc gram_lloc
61 /* Put the tokens into the symbol table, so that GDB and other debuggers
70 PERCENT_DESTRUCTOR
= 263,
71 PERCENT_PRINTER
= 264,
75 PERCENT_NONASSOC
= 268,
80 PERCENT_DEFAULT_PREC
= 273,
82 PERCENT_DEFINES
= 275,
83 PERCENT_ERROR_VERBOSE
= 276,
85 PERCENT_EXPECT_RR
= 278,
86 PERCENT_FILE_PREFIX
= 279,
87 PERCENT_GLR_PARSER
= 280,
88 PERCENT_INITIAL_ACTION
= 281,
89 PERCENT_LEX_PARAM
= 282,
90 PERCENT_LOCATIONS
= 283,
91 PERCENT_NAME_PREFIX
= 284,
92 PERCENT_NO_DEFAULT_PREC
= 285,
93 PERCENT_NO_LINES
= 286,
94 PERCENT_NONDETERMINISTIC_PARSER
= 287,
96 PERCENT_PARSE_PARAM
= 289,
97 PERCENT_PURE_PARSER
= 290,
98 PERCENT_SKELETON
= 291,
100 PERCENT_TOKEN_TABLE
= 293,
101 PERCENT_VERBOSE
= 294,
109 PERCENT_PERCENT
= 302,
118 #define PERCENT_TOKEN 260
119 #define PERCENT_NTERM 261
120 #define PERCENT_TYPE 262
121 #define PERCENT_DESTRUCTOR 263
122 #define PERCENT_PRINTER 264
123 #define PERCENT_UNION 265
124 #define PERCENT_LEFT 266
125 #define PERCENT_RIGHT 267
126 #define PERCENT_NONASSOC 268
127 #define PERCENT_PREC 269
128 #define PERCENT_DPREC 270
129 #define PERCENT_MERGE 271
130 #define PERCENT_DEBUG 272
131 #define PERCENT_DEFAULT_PREC 273
132 #define PERCENT_DEFINE 274
133 #define PERCENT_DEFINES 275
134 #define PERCENT_ERROR_VERBOSE 276
135 #define PERCENT_EXPECT 277
136 #define PERCENT_EXPECT_RR 278
137 #define PERCENT_FILE_PREFIX 279
138 #define PERCENT_GLR_PARSER 280
139 #define PERCENT_INITIAL_ACTION 281
140 #define PERCENT_LEX_PARAM 282
141 #define PERCENT_LOCATIONS 283
142 #define PERCENT_NAME_PREFIX 284
143 #define PERCENT_NO_DEFAULT_PREC 285
144 #define PERCENT_NO_LINES 286
145 #define PERCENT_NONDETERMINISTIC_PARSER 287
146 #define PERCENT_OUTPUT 288
147 #define PERCENT_PARSE_PARAM 289
148 #define PERCENT_PURE_PARSER 290
149 #define PERCENT_SKELETON 291
150 #define PERCENT_START 292
151 #define PERCENT_TOKEN_TABLE 293
152 #define PERCENT_VERBOSE 294
153 #define PERCENT_YACC 295
156 #define SEMICOLON 298
160 #define PERCENT_PERCENT 302
163 #define BRACED_CODE 305
168 /* Copy the first part of user declarations. */
169 #line 1 "parse-gram.y"
170 /* Bison Grammar Parser -*- C -*-
172 Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
174 This file is part of Bison, the GNU Compiler Compiler.
176 This program is free software; you can redistribute it and/or modify
177 it under the terms of the GNU General Public License as published by
178 the Free Software Foundation; either version 2 of the License, or
179 (at your option) any later version.
181 This program is distributed in the hope that it will be useful,
182 but WITHOUT ANY WARRANTY; without even the implied warranty of
183 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
184 GNU General Public License for more details.
186 You should have received a copy of the GNU General Public License
187 along with this program; if not, write to the Free Software
188 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
194 #include "complain.h"
195 #include "conflicts.h"
199 #include "muscle_tab.h"
201 #include "quotearg.h"
205 #define YYLLOC_DEFAULT(Current, Rhs, N) (Current) = lloc_default (Rhs, N)
206 static YYLTYPE
lloc_default (YYLTYPE
const *, int);
208 #define YY_LOCATION_PRINT(File, Loc) \
209 location_print (File, Loc)
211 /* Request detailed syntax error messages, and pass them to GRAM_ERROR.
212 FIXME: depends on the undocumented availability of YYLLOC. */
214 #define yyerror(Msg) \
215 gram_error (&yylloc, Msg)
216 static void gram_error (location
const *, char const *);
218 static void add_param (char const *, char *, location
);
220 static symbol_class current_class
= unknown_sym
;
221 static uniqstr current_type
= 0;
223 location current_lhs_location
;
225 static int current_prec
= 0;
228 /* Enabling traces. */
233 /* Enabling verbose error messages. */
234 #ifdef YYERROR_VERBOSE
235 # undef YYERROR_VERBOSE
236 # define YYERROR_VERBOSE 1
238 # define YYERROR_VERBOSE 1
241 /* Enabling the token table. */
242 #ifndef YYTOKEN_TABLE
243 # define YYTOKEN_TABLE 0
246 #if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)
247 #line 79 "parse-gram.y"
248 typedef union YYSTYPE
{
256 /* Line 196 of yacc.c. */
257 #line 258 "parse-gram.c"
258 # define yystype YYSTYPE /* obsolescent; will be withdrawn */
259 # define YYSTYPE_IS_DECLARED 1
260 # define YYSTYPE_IS_TRIVIAL 1
263 #if ! defined (YYLTYPE) && ! defined (YYLTYPE_IS_DECLARED)
264 typedef struct YYLTYPE
271 # define yyltype YYLTYPE /* obsolescent; will be withdrawn */
272 # define YYLTYPE_IS_DECLARED 1
273 # define YYLTYPE_IS_TRIVIAL 1
277 /* Copy the second part of user declarations. */
280 /* Line 219 of yacc.c. */
281 #line 282 "parse-gram.c"
283 #if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__)
284 # define YYSIZE_T __SIZE_TYPE__
286 #if ! defined (YYSIZE_T) && defined (size_t)
287 # define YYSIZE_T size_t
289 #if ! defined (YYSIZE_T) && (defined (__STDC__) || defined (__cplusplus))
290 # include <stddef.h> /* INFRINGES ON USER NAME SPACE */
291 # define YYSIZE_T size_t
293 #if ! defined (YYSIZE_T)
294 # define YYSIZE_T unsigned int
300 # include <libintl.h> /* INFRINGES ON USER NAME SPACE */
301 # define YY_(msgid) dgettext ("bison-runtime", msgid)
305 # define YY_(msgid) msgid
309 #if ! defined (yyoverflow) || YYERROR_VERBOSE
311 /* The parser invokes alloca or malloc; define the necessary symbols. */
313 # ifdef YYSTACK_USE_ALLOCA
314 # if YYSTACK_USE_ALLOCA
316 # define YYSTACK_ALLOC __builtin_alloca
318 # define YYSTACK_ALLOC alloca
319 # if defined (__STDC__) || defined (__cplusplus)
320 # include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
321 # define YYINCLUDED_STDLIB_H
327 # ifdef YYSTACK_ALLOC
328 /* Pacify GCC's `empty if-body' warning. */
329 # define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
330 # ifndef YYSTACK_ALLOC_MAXIMUM
331 /* The OS might guarantee only one guard page at the bottom of the stack,
332 and a page size can be as small as 4096 bytes. So we cannot safely
333 invoke alloca (N) if N exceeds 4096. Use a slightly smaller number
334 to allow for a few compiler-allocated temporary stack slots. */
335 # define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2005 */
338 # define YYSTACK_ALLOC YYMALLOC
339 # define YYSTACK_FREE YYFREE
340 # ifndef YYSTACK_ALLOC_MAXIMUM
341 # define YYSTACK_ALLOC_MAXIMUM ((YYSIZE_T) -1)
347 # define YYMALLOC malloc
348 # if (! defined (malloc) && ! defined (YYINCLUDED_STDLIB_H) \
349 && (defined (__STDC__) || defined (__cplusplus)))
350 void *malloc (YYSIZE_T
); /* INFRINGES ON USER NAME SPACE */
355 # if (! defined (free) && ! defined (YYINCLUDED_STDLIB_H) \
356 && (defined (__STDC__) || defined (__cplusplus)))
357 void free (void *); /* INFRINGES ON USER NAME SPACE */
364 #endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */
367 #if (! defined (yyoverflow) \
368 && (! defined (__cplusplus) \
369 || (defined (YYLTYPE_IS_TRIVIAL) && YYLTYPE_IS_TRIVIAL \
370 && defined (YYSTYPE_IS_TRIVIAL) && YYSTYPE_IS_TRIVIAL)))
372 /* A type that is properly aligned for any stack member. */
380 /* The size of the maximum gap between one aligned stack and the next. */
381 # define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)
383 /* The size of an array large to enough to hold all stacks, each with
385 # define YYSTACK_BYTES(N) \
386 ((N) * (sizeof (short int) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \
387 + 2 * YYSTACK_GAP_MAXIMUM)
389 /* Copy COUNT objects from FROM to TO. The source and destination do
392 # if defined (__GNUC__) && 1 < __GNUC__
393 # define YYCOPY(To, From, Count) \
394 __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
396 # define YYCOPY(To, From, Count) \
400 for (yyi = 0; yyi < (Count); yyi++) \
401 (To)[yyi] = (From)[yyi]; \
407 /* Relocate STACK from its old location to the new one. The
408 local variables YYSIZE and YYSTACKSIZE give the old and new number of
409 elements in the stack, and YYPTR gives the new location of the
410 stack. Advance YYPTR to a properly aligned location for the next
412 # define YYSTACK_RELOCATE(Stack) \
415 YYSIZE_T yynewbytes; \
416 YYCOPY (&yyptr->Stack, Stack, yysize); \
417 Stack = &yyptr->Stack; \
418 yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
419 yyptr += yynewbytes / sizeof (*yyptr); \
425 #if defined (__STDC__) || defined (__cplusplus)
426 typedef signed char yysigned_char
;
428 typedef short int yysigned_char
;
431 /* YYFINAL -- State number of the termination state. */
433 /* YYLAST -- Last index in YYTABLE. */
436 /* YYNTOKENS -- Number of terminals. */
438 /* YYNNTS -- Number of nonterminals. */
440 /* YYNRULES -- Number of rules. */
442 /* YYNRULES -- Number of states. */
443 #define YYNSTATES 108
445 /* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */
447 #define YYMAXUTOK 305
449 #define YYTRANSLATE(YYX) \
450 ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
452 /* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */
453 static const unsigned char yytranslate
[] =
455 0, 2, 2, 2, 2, 2, 2, 2, 2, 2,
456 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
457 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
458 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
459 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
460 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
461 2, 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, 1, 2, 3, 4,
481 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
482 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
483 25, 26, 27, 28, 29, 30, 31, 32, 33, 34,
484 35, 36, 37, 38, 39, 40, 41, 42, 43, 44,
485 45, 46, 47, 48, 49, 50
489 /* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
491 static const unsigned char yyprhs
[] =
493 0, 0, 3, 8, 9, 12, 14, 16, 18, 22,
494 24, 26, 29, 32, 36, 38, 40, 42, 44, 48,
495 50, 52, 56, 58, 60, 63, 65, 67, 69, 71,
496 73, 75, 78, 80, 83, 86, 88, 90, 91, 95,
497 96, 100, 104, 108, 110, 112, 114, 115, 117, 119,
498 122, 124, 126, 129, 132, 136, 138, 141, 143, 146,
499 148, 151, 154, 155, 159, 161, 165, 168, 169, 172,
500 175, 179, 183, 187, 189, 191, 193, 195, 197, 198
503 /* YYRHS -- A `-1'-separated list of the rules' RHS. */
504 static const yysigned_char yyrhs
[] =
506 52, 0, -1, 53, 47, 65, 75, -1, -1, 53,
507 54, -1, 55, -1, 48, -1, 17, -1, 19, 74,
508 74, -1, 20, -1, 21, -1, 22, 4, -1, 23,
509 4, -1, 24, 42, 74, -1, 25, -1, 26, -1,
510 27, -1, 28, -1, 29, 42, 74, -1, 31, -1,
511 32, -1, 33, 42, 74, -1, 34, -1, 35, -1,
512 36, 74, -1, 38, -1, 39, -1, 40, -1, 43,
513 -1, 59, -1, 56, -1, 37, 71, -1, 10, -1,
514 8, 62, -1, 9, 62, -1, 18, -1, 30, -1,
515 -1, 6, 57, 64, -1, -1, 5, 58, 64, -1,
516 7, 41, 62, -1, 60, 61, 62, -1, 11, -1,
517 12, -1, 13, -1, -1, 41, -1, 71, -1, 62,
518 71, -1, 41, -1, 45, -1, 45, 4, -1, 45,
519 73, -1, 45, 4, 73, -1, 63, -1, 64, 63,
520 -1, 66, -1, 65, 66, -1, 67, -1, 55, 43,
521 -1, 1, 43, -1, -1, 46, 68, 69, -1, 70,
522 -1, 69, 44, 70, -1, 69, 43, -1, -1, 70,
523 71, -1, 70, 72, -1, 70, 14, 71, -1, 70,
524 15, 4, -1, 70, 16, 41, -1, 45, -1, 73,
525 -1, 50, -1, 3, -1, 3, -1, -1, 47, 49,
529 /* YYRLINE[YYN] -- source line where rule number YYN was defined. */
530 static const unsigned short int yyrline
[] =
532 0, 188, 188, 196, 198, 202, 203, 204, 205, 206,
533 207, 208, 209, 210, 211, 216, 220, 221, 222, 223,
534 224, 225, 226, 227, 228, 229, 230, 231, 232, 236,
535 237, 238, 242, 248, 255, 262, 266, 273, 273, 278,
536 278, 283, 293, 308, 309, 310, 314, 315, 321, 322,
537 327, 331, 336, 342, 348, 359, 360, 369, 370, 376,
538 377, 382, 389, 389, 393, 394, 395, 400, 401, 403,
539 405, 407, 409, 414, 415, 419, 425, 434, 439, 441
543 #if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE
544 /* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
545 First, the terminals, then, starting at YYNTOKENS, nonterminals. */
546 static const char *const yytname
[] =
548 "\"end of file\"", "error", "$undefined", "\"string\"", "\"integer\"",
549 "\"%token\"", "\"%nterm\"", "\"%type\"", "\"%destructor {...}\"",
550 "\"%printer {...}\"", "\"%union {...}\"", "\"%left\"", "\"%right\"",
551 "\"%nonassoc\"", "\"%prec\"", "\"%dprec\"", "\"%merge\"", "\"%debug\"",
552 "\"%default-prec\"", "\"%define\"", "\"%defines\"", "\"%error-verbose\"",
553 "\"%expect\"", "\"%expect-rr\"", "\"%file-prefix\"", "\"%glr-parser\"",
554 "\"%initial-action {...}\"", "\"%lex-param {...}\"", "\"%locations\"",
555 "\"%name-prefix\"", "\"%no-default-prec\"", "\"%no-lines\"",
556 "\"%nondeterministic-parser\"", "\"%output\"", "\"%parse-param {...}\"",
557 "\"%pure-parser\"", "\"%skeleton\"", "\"%start\"", "\"%token-table\"",
558 "\"%verbose\"", "\"%yacc\"", "\"type\"", "\"=\"", "\";\"", "\"|\"",
559 "\"identifier\"", "\"identifier:\"", "\"%%\"", "\"%{...%}\"",
560 "\"epilogue\"", "\"{...}\"", "$accept", "input", "declarations",
561 "declaration", "grammar_declaration", "symbol_declaration", "@1", "@2",
562 "precedence_declaration", "precedence_declarator", "type.opt",
563 "symbols.1", "symbol_def", "symbol_defs.1", "grammar",
564 "rules_or_grammar_declaration", "rules", "@3", "rhses.1", "rhs",
565 "symbol", "action", "string_as_id", "string_content", "epilogue.opt", 0
570 /* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
572 static const unsigned short int yytoknum
[] =
574 0, 256, 257, 258, 259, 260, 261, 262, 263, 264,
575 265, 266, 267, 268, 269, 270, 271, 272, 273, 274,
576 275, 276, 277, 278, 279, 280, 281, 282, 283, 284,
577 285, 286, 287, 288, 289, 290, 291, 292, 293, 294,
578 295, 296, 297, 298, 299, 300, 301, 302, 303, 304,
583 /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
584 static const unsigned char yyr1
[] =
586 0, 51, 52, 53, 53, 54, 54, 54, 54, 54,
587 54, 54, 54, 54, 54, 54, 54, 54, 54, 54,
588 54, 54, 54, 54, 54, 54, 54, 54, 54, 55,
589 55, 55, 55, 55, 55, 55, 55, 57, 56, 58,
590 56, 56, 59, 60, 60, 60, 61, 61, 62, 62,
591 63, 63, 63, 63, 63, 64, 64, 65, 65, 66,
592 66, 66, 68, 67, 69, 69, 69, 70, 70, 70,
593 70, 70, 70, 71, 71, 72, 73, 74, 75, 75
596 /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
597 static const unsigned char yyr2
[] =
599 0, 2, 4, 0, 2, 1, 1, 1, 3, 1,
600 1, 2, 2, 3, 1, 1, 1, 1, 3, 1,
601 1, 3, 1, 1, 2, 1, 1, 1, 1, 1,
602 1, 2, 1, 2, 2, 1, 1, 0, 3, 0,
603 3, 3, 3, 1, 1, 1, 0, 1, 1, 2,
604 1, 1, 2, 2, 3, 1, 2, 1, 2, 1,
605 2, 2, 0, 3, 1, 3, 2, 0, 2, 2,
606 3, 3, 3, 1, 1, 1, 1, 1, 0, 2
609 /* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
610 STATE-NUM when YYTABLE doesn't specify something else to do. Zero
611 means the default is an error. */
612 static const unsigned char yydefact
[] =
614 3, 0, 0, 1, 39, 37, 0, 0, 0, 32,
615 43, 44, 45, 7, 35, 0, 9, 10, 0, 0,
616 0, 14, 15, 16, 17, 0, 36, 19, 20, 0,
617 22, 23, 0, 0, 25, 26, 27, 28, 0, 6,
618 4, 5, 30, 29, 46, 0, 0, 0, 76, 73,
619 33, 48, 74, 34, 77, 0, 11, 12, 0, 0,
620 0, 24, 31, 0, 62, 0, 0, 57, 59, 47,
621 0, 50, 51, 55, 40, 38, 41, 49, 8, 13,
622 18, 21, 61, 67, 60, 0, 58, 2, 42, 52,
623 53, 56, 63, 64, 79, 54, 66, 67, 0, 0,
624 0, 75, 68, 69, 65, 70, 71, 72
627 /* YYDEFGOTO[NTERM-NUM]. */
628 static const yysigned_char yydefgoto
[] =
630 -1, 1, 2, 40, 65, 42, 46, 45, 43, 44,
631 70, 50, 73, 74, 66, 67, 68, 83, 92, 93,
635 /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
637 #define YYPACT_NINF -67
638 static const yysigned_char yypact
[] =
640 -67, 5, 110, -67, -67, -67, -34, 0, 0, -67,
641 -67, -67, -67, -67, -67, 13, -67, -67, 20, 31,
642 -17, -67, -67, -67, -67, -6, -67, -67, -67, -5,
643 -67, -67, 13, 0, -67, -67, -67, -67, 68, -67,
644 -67, -67, -67, -67, -3, -37, -37, 0, -67, -67,
645 0, -67, -67, 0, -67, 13, -67, -67, 13, 13,
646 13, -67, -67, -2, -67, 3, 21, -67, -67, -67,
647 0, -67, 6, -67, -37, -37, 0, -67, -67, -67,
648 -67, -67, -67, -67, -67, 1, -67, -67, 0, 39,
649 -67, -67, -32, -1, -67, -67, -67, -67, 0, 43,
650 7, -67, -67, -67, -1, -67, -67, -67
653 /* YYPGOTO[NTERM-NUM]. */
654 static const yysigned_char yypgoto
[] =
656 -67, -67, -67, -67, 50, -67, -67, -67, -67, -67,
657 -67, -7, -56, 8, -67, -13, -67, -67, -67, -41,
658 -33, -67, -66, 29, -67
661 /* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If
662 positive, shift that token. If negative, reduce the rule which
663 number is the opposite. If zero, do what YYDEFACT says.
664 If YYTABLE_NINF, syntax error. */
665 #define YYTABLE_NINF -79
666 static const yysigned_char yytable
[] =
668 62, 53, 48, 48, 71, 3, 90, 47, 72, 48,
669 89, 96, 97, 98, 99, 100, 54, 77, 91, 91,
670 77, -78, 63, 95, 56, 58, 4, 5, 6, 7,
671 8, 9, 10, 11, 12, 57, 59, 60, 69, 14,
672 76, 82, 48, 77, 49, 49, 84, 106, 107, 101,
673 94, 26, 41, 86, 75, 77, 104, 0, 33, 0,
674 102, 61, 0, 88, 0, 105, 0, 64, 85, 63,
675 0, 102, 0, 4, 5, 6, 7, 8, 9, 10,
676 11, 12, 0, 0, 78, 0, 14, 79, 80, 81,
677 0, 0, 0, 0, 0, 0, 0, 0, 26, 0,
678 0, 0, 0, 0, 0, 33, 0, 0, 0, 0,
679 0, 0, 0, 0, 64, 4, 5, 6, 7, 8,
680 9, 10, 11, 12, 0, 0, 0, 13, 14, 15,
681 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,
682 26, 27, 28, 29, 30, 31, 32, 33, 34, 35,
683 36, 0, 0, 37, 0, 0, 0, 38, 39
686 static const yysigned_char yycheck
[] =
688 33, 8, 3, 3, 41, 0, 72, 41, 45, 3,
689 4, 43, 44, 14, 15, 16, 3, 50, 74, 75,
690 53, 0, 1, 89, 4, 42, 5, 6, 7, 8,
691 9, 10, 11, 12, 13, 4, 42, 42, 41, 18,
692 47, 43, 3, 76, 45, 45, 43, 4, 41, 50,
693 49, 30, 2, 66, 46, 88, 97, -1, 37, -1,
694 93, 32, -1, 70, -1, 98, -1, 46, 47, 1,
695 -1, 104, -1, 5, 6, 7, 8, 9, 10, 11,
696 12, 13, -1, -1, 55, -1, 18, 58, 59, 60,
697 -1, -1, -1, -1, -1, -1, -1, -1, 30, -1,
698 -1, -1, -1, -1, -1, 37, -1, -1, -1, -1,
699 -1, -1, -1, -1, 46, 5, 6, 7, 8, 9,
700 10, 11, 12, 13, -1, -1, -1, 17, 18, 19,
701 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
702 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
703 40, -1, -1, 43, -1, -1, -1, 47, 48
706 /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
707 symbol of state STATE-NUM. */
708 static const unsigned char yystos
[] =
710 0, 52, 53, 0, 5, 6, 7, 8, 9, 10,
711 11, 12, 13, 17, 18, 19, 20, 21, 22, 23,
712 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
713 34, 35, 36, 37, 38, 39, 40, 43, 47, 48,
714 54, 55, 56, 59, 60, 58, 57, 41, 3, 45,
715 62, 71, 73, 62, 3, 74, 4, 4, 42, 42,
716 42, 74, 71, 1, 46, 55, 65, 66, 67, 41,
717 61, 41, 45, 63, 64, 64, 62, 71, 74, 74,
718 74, 74, 43, 68, 43, 47, 66, 75, 62, 4,
719 73, 63, 69, 70, 49, 73, 43, 44, 14, 15,
720 16, 50, 71, 72, 70, 71, 4, 41
723 #define yyerrok (yyerrstatus = 0)
724 #define yyclearin (yychar = YYEMPTY)
728 #define YYACCEPT goto yyacceptlab
729 #define YYABORT goto yyabortlab
730 #define YYERROR goto yyerrorlab
733 /* Like YYERROR except do call yyerror. This remains here temporarily
734 to ease the transition to the new meaning of YYERROR, for GCC.
735 Once GCC version 2 has supplanted version 1, this can go. */
737 #define YYFAIL goto yyerrlab
739 #define YYRECOVERING() (!!yyerrstatus)
741 #define YYBACKUP(Token, Value) \
743 if (yychar == YYEMPTY && yylen == 1) \
747 yytoken = YYTRANSLATE (yychar); \
753 yyerror (YY_("syntax error: cannot back up")); \
760 #define YYERRCODE 256
763 /* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N].
764 If N is 0, then set CURRENT to the empty location which ends
765 the previous symbol: RHS[0] (always defined). */
767 #define YYRHSLOC(Rhs, K) ((Rhs)[K])
768 #ifndef YYLLOC_DEFAULT
769 # define YYLLOC_DEFAULT(Current, Rhs, N) \
773 (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \
774 (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \
775 (Current).last_line = YYRHSLOC (Rhs, N).last_line; \
776 (Current).last_column = YYRHSLOC (Rhs, N).last_column; \
780 (Current).first_line = (Current).last_line = \
781 YYRHSLOC (Rhs, 0).last_line; \
782 (Current).first_column = (Current).last_column = \
783 YYRHSLOC (Rhs, 0).last_column; \
789 /* YY_LOCATION_PRINT -- Print the location on the stream.
790 This macro was not mandated originally: define only if we know
791 we won't break user code: when these are the locations we know. */
793 #ifndef YY_LOCATION_PRINT
794 # if YYLTYPE_IS_TRIVIAL
795 # define YY_LOCATION_PRINT(File, Loc) \
796 fprintf (File, "%d.%d-%d.%d", \
797 (Loc).first_line, (Loc).first_column, \
798 (Loc).last_line, (Loc).last_column)
800 # define YY_LOCATION_PRINT(File, Loc) ((void) 0)
805 /* YYLEX -- calling `yylex' with the right arguments. */
808 # define YYLEX yylex (&yylval, &yylloc, YYLEX_PARAM)
810 # define YYLEX yylex (&yylval, &yylloc)
813 /* Enable debugging if requested. */
817 # include <stdio.h> /* INFRINGES ON USER NAME SPACE */
818 # define YYFPRINTF fprintf
821 # define YYDPRINTF(Args) \
827 # define YY_SYMBOL_PRINT(Title, Type, Value, Location) \
831 YYFPRINTF (stderr, "%s ", Title); \
832 yysymprint (stderr, \
833 Type, Value, Location); \
834 YYFPRINTF (stderr, "\n"); \
838 /*------------------------------------------------------------------.
839 | yy_stack_print -- Print the state stack from its BOTTOM up to its |
841 `------------------------------------------------------------------*/
843 #if defined (__STDC__) || defined (__cplusplus)
845 yy_stack_print (short int *bottom
, short int *top
)
848 yy_stack_print (bottom
, top
)
853 YYFPRINTF (stderr
, "Stack now");
854 for (/* Nothing. */; bottom
<= top
; ++bottom
)
855 YYFPRINTF (stderr
, " %d", *bottom
);
856 YYFPRINTF (stderr
, "\n");
859 # define YY_STACK_PRINT(Bottom, Top) \
862 yy_stack_print ((Bottom), (Top)); \
866 /*------------------------------------------------.
867 | Report that the YYRULE is going to be reduced. |
868 `------------------------------------------------*/
870 #if defined (__STDC__) || defined (__cplusplus)
872 yy_reduce_print (int yyrule
)
875 yy_reduce_print (yyrule
)
880 unsigned long int yylno
= yyrline
[yyrule
];
881 YYFPRINTF (stderr
, "Reducing stack by rule %d (line %lu), ",
883 /* Print the symbols being reduced, and their result. */
884 for (yyi
= yyprhs
[yyrule
]; 0 <= yyrhs
[yyi
]; yyi
++)
885 YYFPRINTF (stderr
, "%s ", yytname
[yyrhs
[yyi
]]);
886 YYFPRINTF (stderr
, "-> %s\n", yytname
[yyr1
[yyrule
]]);
889 # define YY_REDUCE_PRINT(Rule) \
892 yy_reduce_print (Rule); \
895 /* Nonzero means print parse trace. It is left uninitialized so that
896 multiple parsers can coexist. */
899 # define YYDPRINTF(Args)
900 # define YY_SYMBOL_PRINT(Title, Type, Value, Location)
901 # define YY_STACK_PRINT(Bottom, Top)
902 # define YY_REDUCE_PRINT(Rule)
903 #endif /* !YYDEBUG */
906 /* YYINITDEPTH -- initial size of the parser's stacks. */
908 # define YYINITDEPTH 200
911 /* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
912 if the built-in stack extension method is used).
914 Do not make this value too large; the results are undefined if
915 YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH)
916 evaluated with infinite-precision integer arithmetic. */
919 # define YYMAXDEPTH 10000
927 # if defined (__GLIBC__) && defined (_STRING_H)
928 # define yystrlen strlen
930 /* Return the length of YYSTR. */
932 # if defined (__STDC__) || defined (__cplusplus)
933 yystrlen (const char *yystr
)
939 const char *yys
= yystr
;
941 while (*yys
++ != '\0')
944 return yys
- yystr
- 1;
950 # if defined (__GLIBC__) && defined (_STRING_H) && defined (_GNU_SOURCE)
951 # define yystpcpy stpcpy
953 /* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
956 # if defined (__STDC__) || defined (__cplusplus)
957 yystpcpy (char *yydest
, const char *yysrc
)
959 yystpcpy (yydest
, yysrc
)
965 const char *yys
= yysrc
;
967 while ((*yyd
++ = *yys
++) != '\0')
976 /* Copy to YYRES the contents of YYSTR after stripping away unnecessary
977 quotes and backslashes, so that it's suitable for yyerror. The
978 heuristic is that double-quoting is unnecessary unless the string
979 contains an apostrophe, a comma, or backslash (other than
980 backslash-backslash). YYSTR is taken from yytname. If YYRES is
981 null, do not copy; instead, return the length of what the result
984 yytnamerr (char *yyres
, const char *yystr
)
989 char const *yyp
= yystr
;
996 goto do_not_strip_quotes
;
1000 goto do_not_strip_quotes
;
1013 do_not_strip_quotes
: ;
1017 return yystrlen (yystr
);
1019 return yystpcpy (yyres
, yystr
) - yyres
;
1023 #endif /* YYERROR_VERBOSE */
1028 /*--------------------------------.
1029 | Print this symbol on YYOUTPUT. |
1030 `--------------------------------*/
1032 #if defined (__STDC__) || defined (__cplusplus)
1034 yysymprint (FILE *yyoutput
, int yytype
, YYSTYPE
*yyvaluep
, YYLTYPE
*yylocationp
)
1037 yysymprint (yyoutput
, yytype
, yyvaluep
, yylocationp
)
1041 YYLTYPE
*yylocationp
;
1044 /* Pacify ``unused variable'' warnings. */
1048 if (yytype
< YYNTOKENS
)
1049 YYFPRINTF (yyoutput
, "token %s (", yytname
[yytype
]);
1051 YYFPRINTF (yyoutput
, "nterm %s (", yytname
[yytype
]);
1053 YY_LOCATION_PRINT (yyoutput
, *yylocationp
);
1054 YYFPRINTF (yyoutput
, ": ");
1057 if (yytype
< YYNTOKENS
)
1058 YYPRINT (yyoutput
, yytoknum
[yytype
], *yyvaluep
);
1062 case 3: /* "\"string\"" */
1063 #line 165 "parse-gram.y"
1064 { fprintf (stderr
, "\"%s\"", (yyvaluep
->chars
)); };
1065 #line 1066 "parse-gram.c"
1067 case 4: /* "\"integer\"" */
1068 #line 178 "parse-gram.y"
1069 { fprintf (stderr
, "%d", (yyvaluep
->integer
)); };
1070 #line 1071 "parse-gram.c"
1072 case 8: /* "\"%destructor {...}\"" */
1073 #line 167 "parse-gram.y"
1074 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1075 #line 1076 "parse-gram.c"
1077 case 9: /* "\"%printer {...}\"" */
1078 #line 171 "parse-gram.y"
1079 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1080 #line 1081 "parse-gram.c"
1082 case 10: /* "\"%union {...}\"" */
1083 #line 172 "parse-gram.y"
1084 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1085 #line 1086 "parse-gram.c"
1087 case 26: /* "\"%initial-action {...}\"" */
1088 #line 168 "parse-gram.y"
1089 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1090 #line 1091 "parse-gram.c"
1092 case 27: /* "\"%lex-param {...}\"" */
1093 #line 169 "parse-gram.y"
1094 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1095 #line 1096 "parse-gram.c"
1097 case 34: /* "\"%parse-param {...}\"" */
1098 #line 170 "parse-gram.y"
1099 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1100 #line 1101 "parse-gram.c"
1102 case 41: /* "\"type\"" */
1103 #line 176 "parse-gram.y"
1104 { fprintf (stderr
, "<%s>", (yyvaluep
->uniqstr
)); };
1105 #line 1106 "parse-gram.c"
1107 case 45: /* "\"identifier\"" */
1108 #line 180 "parse-gram.y"
1109 { fprintf (stderr
, "%s", (yyvaluep
->symbol
)->tag
); };
1110 #line 1111 "parse-gram.c"
1112 case 46: /* "\"identifier:\"" */
1113 #line 182 "parse-gram.y"
1114 { fprintf (stderr
, "%s:", (yyvaluep
->symbol
)->tag
); };
1115 #line 1116 "parse-gram.c"
1117 case 48: /* "\"%{...%}\"" */
1118 #line 174 "parse-gram.y"
1119 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1120 #line 1121 "parse-gram.c"
1122 case 49: /* "\"epilogue\"" */
1123 #line 174 "parse-gram.y"
1124 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1125 #line 1126 "parse-gram.c"
1127 case 50: /* "\"{...}\"" */
1128 #line 173 "parse-gram.y"
1129 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1130 #line 1131 "parse-gram.c"
1132 case 71: /* "symbol" */
1133 #line 180 "parse-gram.y"
1134 { fprintf (stderr
, "%s", (yyvaluep
->symbol
)->tag
); };
1135 #line 1136 "parse-gram.c"
1137 case 72: /* "action" */
1138 #line 173 "parse-gram.y"
1139 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1140 #line 1141 "parse-gram.c"
1142 case 73: /* "string_as_id" */
1143 #line 180 "parse-gram.y"
1144 { fprintf (stderr
, "%s", (yyvaluep
->symbol
)->tag
); };
1145 #line 1146 "parse-gram.c"
1147 case 74: /* "string_content" */
1148 #line 165 "parse-gram.y"
1149 { fprintf (stderr
, "\"%s\"", (yyvaluep
->chars
)); };
1150 #line 1151 "parse-gram.c"
1155 YYFPRINTF (yyoutput
, ")");
1158 #endif /* ! YYDEBUG */
1159 /*-----------------------------------------------.
1160 | Release the memory associated to this symbol. |
1161 `-----------------------------------------------*/
1163 #if defined (__STDC__) || defined (__cplusplus)
1165 yydestruct (const char *yymsg
, int yytype
, YYSTYPE
*yyvaluep
, YYLTYPE
*yylocationp
)
1168 yydestruct (yymsg
, yytype
, yyvaluep
, yylocationp
)
1172 YYLTYPE
*yylocationp
;
1175 /* Pacify ``unused variable'' warnings. */
1181 YY_SYMBOL_PRINT (yymsg
, yytype
, yyvaluep
, yylocationp
);
1192 /* Prevent warnings from -Wmissing-prototypes. */
1194 #ifdef YYPARSE_PARAM
1195 # if defined (__STDC__) || defined (__cplusplus)
1196 int yyparse (void *YYPARSE_PARAM
);
1200 #else /* ! YYPARSE_PARAM */
1201 #if defined (__STDC__) || defined (__cplusplus)
1206 #endif /* ! YYPARSE_PARAM */
1217 #ifdef YYPARSE_PARAM
1218 # if defined (__STDC__) || defined (__cplusplus)
1219 int yyparse (void *YYPARSE_PARAM
)
1221 int yyparse (YYPARSE_PARAM
)
1222 void *YYPARSE_PARAM
;
1224 #else /* ! YYPARSE_PARAM */
1225 #if defined (__STDC__) || defined (__cplusplus)
1235 /* The look-ahead symbol. */
1238 /* The semantic value of the look-ahead symbol. */
1241 /* Number of syntax errors so far. */
1243 /* Location data for the look-ahead symbol. */
1249 /* Number of tokens to shift before error messages enabled. */
1251 /* Look-ahead token as an internal (translated) token number. */
1254 /* Three stacks and their tools:
1255 `yyss': related to states,
1256 `yyvs': related to semantic values,
1257 `yyls': related to locations.
1259 Refer to the stacks thru separate pointers, to allow yyoverflow
1260 to reallocate them elsewhere. */
1262 /* The state stack. */
1263 short int yyssa
[YYINITDEPTH
];
1264 short int *yyss
= yyssa
;
1267 /* The semantic value stack. */
1268 YYSTYPE yyvsa
[YYINITDEPTH
];
1269 YYSTYPE
*yyvs
= yyvsa
;
1272 /* The location stack. */
1273 YYLTYPE yylsa
[YYINITDEPTH
];
1274 YYLTYPE
*yyls
= yylsa
;
1276 /* The locations where the error started and ended. */
1277 YYLTYPE yyerror_range
[2];
1279 #define YYPOPSTACK (yyvsp--, yyssp--, yylsp--)
1281 YYSIZE_T yystacksize
= YYINITDEPTH
;
1283 /* The variables used to return semantic value and location from the
1288 /* When reducing, the number of symbols on the RHS of the reduced
1292 YYDPRINTF ((stderr
, "Starting parse\n"));
1297 yychar
= YYEMPTY
; /* Cause a token to be read. */
1299 /* Initialize stack pointers.
1300 Waste one element of value and location stack
1301 so that they stay on the same level as the state stack.
1302 The wasted elements are never initialized. */
1307 #if YYLTYPE_IS_TRIVIAL
1308 /* Initialize the default location before parsing starts. */
1309 yylloc
.first_line
= yylloc
.last_line
= 1;
1310 yylloc
.first_column
= yylloc
.last_column
= 0;
1314 /* User initialization code. */
1315 #line 69 "parse-gram.y"
1317 /* Bison's grammar can initial empty locations, hence a default
1318 location is needed. */
1319 yylloc
.start
.file
= yylloc
.end
.file
= current_file
;
1320 yylloc
.start
.line
= yylloc
.end
.line
= 1;
1321 yylloc
.start
.column
= yylloc
.end
.column
= 0;
1323 /* Line 930 of yacc.c. */
1324 #line 1325 "parse-gram.c"
1328 /*------------------------------------------------------------.
1329 | yynewstate -- Push a new state, which is found in yystate. |
1330 `------------------------------------------------------------*/
1332 /* In all cases, when you get here, the value and location stacks
1333 have just been pushed. so pushing a state here evens the stacks.
1340 if (yyss
+ yystacksize
- 1 <= yyssp
)
1342 /* Get the current used size of the three stacks, in elements. */
1343 YYSIZE_T yysize
= yyssp
- yyss
+ 1;
1347 /* Give user a chance to reallocate the stack. Use copies of
1348 these so that the &'s don't force the real ones into
1350 YYSTYPE
*yyvs1
= yyvs
;
1351 short int *yyss1
= yyss
;
1352 YYLTYPE
*yyls1
= yyls
;
1354 /* Each stack pointer address is followed by the size of the
1355 data in use in that stack, in bytes. This used to be a
1356 conditional around just the two extra args, but that might
1357 be undefined if yyoverflow is a macro. */
1358 yyoverflow (YY_("memory exhausted"),
1359 &yyss1
, yysize
* sizeof (*yyssp
),
1360 &yyvs1
, yysize
* sizeof (*yyvsp
),
1361 &yyls1
, yysize
* sizeof (*yylsp
),
1367 #else /* no yyoverflow */
1368 # ifndef YYSTACK_RELOCATE
1369 goto yyexhaustedlab
;
1371 /* Extend the stack our own way. */
1372 if (YYMAXDEPTH
<= yystacksize
)
1373 goto yyexhaustedlab
;
1375 if (YYMAXDEPTH
< yystacksize
)
1376 yystacksize
= YYMAXDEPTH
;
1379 short int *yyss1
= yyss
;
1380 union yyalloc
*yyptr
=
1381 (union yyalloc
*) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize
));
1383 goto yyexhaustedlab
;
1384 YYSTACK_RELOCATE (yyss
);
1385 YYSTACK_RELOCATE (yyvs
);
1386 YYSTACK_RELOCATE (yyls
);
1387 # undef YYSTACK_RELOCATE
1389 YYSTACK_FREE (yyss1
);
1392 #endif /* no yyoverflow */
1394 yyssp
= yyss
+ yysize
- 1;
1395 yyvsp
= yyvs
+ yysize
- 1;
1396 yylsp
= yyls
+ yysize
- 1;
1398 YYDPRINTF ((stderr
, "Stack size increased to %lu\n",
1399 (unsigned long int) yystacksize
));
1401 if (yyss
+ yystacksize
- 1 <= yyssp
)
1405 YYDPRINTF ((stderr
, "Entering state %d\n", yystate
));
1414 /* Do appropriate processing given the current state. */
1415 /* Read a look-ahead token if we need one and don't already have one. */
1418 /* First try to decide what to do without reference to look-ahead token. */
1420 yyn
= yypact
[yystate
];
1421 if (yyn
== YYPACT_NINF
)
1424 /* Not known => get a look-ahead token if don't already have one. */
1426 /* YYCHAR is either YYEMPTY or YYEOF or a valid look-ahead symbol. */
1427 if (yychar
== YYEMPTY
)
1429 YYDPRINTF ((stderr
, "Reading a token: "));
1433 if (yychar
<= YYEOF
)
1435 yychar
= yytoken
= YYEOF
;
1436 YYDPRINTF ((stderr
, "Now at end of input.\n"));
1440 yytoken
= YYTRANSLATE (yychar
);
1441 YY_SYMBOL_PRINT ("Next token is", yytoken
, &yylval
, &yylloc
);
1444 /* If the proper action on seeing token YYTOKEN is to reduce or to
1445 detect an error, take that action. */
1447 if (yyn
< 0 || YYLAST
< yyn
|| yycheck
[yyn
] != yytoken
)
1452 if (yyn
== 0 || yyn
== YYTABLE_NINF
)
1461 /* Shift the look-ahead token. */
1462 YY_SYMBOL_PRINT ("Shifting", yytoken
, &yylval
, &yylloc
);
1464 /* Discard the token being shifted unless it is eof. */
1465 if (yychar
!= YYEOF
)
1471 /* Count tokens shifted since error; after three, turn off error
1480 /*-----------------------------------------------------------.
1481 | yydefault -- do the default action for the current state. |
1482 `-----------------------------------------------------------*/
1484 yyn
= yydefact
[yystate
];
1490 /*-----------------------------.
1491 | yyreduce -- Do a reduction. |
1492 `-----------------------------*/
1494 /* yyn is the number of a rule to reduce with. */
1497 /* If YYLEN is nonzero, implement the default value of the action:
1500 Otherwise, the following line sets YYVAL to garbage.
1501 This behavior is undocumented and Bison
1502 users should not rely upon it. Assigning to YYVAL
1503 unconditionally makes the parser a bit smaller, and it avoids a
1504 GCC warning that YYVAL may be used uninitialized. */
1505 yyval
= yyvsp
[1-yylen
];
1507 /* Default location. */
1508 YYLLOC_DEFAULT (yyloc
, yylsp
- yylen
, yylen
);
1509 YY_REDUCE_PRINT (yyn
);
1513 #line 203 "parse-gram.y"
1514 { prologue_augment ((yyvsp
[0].chars
), (yylsp
[0])); }
1518 #line 204 "parse-gram.y"
1519 { debug_flag
= true; }
1523 #line 205 "parse-gram.y"
1524 { muscle_insert ((yyvsp
[-1].chars
), (yyvsp
[0].chars
)); }
1528 #line 206 "parse-gram.y"
1529 { defines_flag
= true; }
1533 #line 207 "parse-gram.y"
1534 { error_verbose
= true; }
1538 #line 208 "parse-gram.y"
1539 { expected_sr_conflicts
= (yyvsp
[0].integer
); }
1543 #line 209 "parse-gram.y"
1544 { expected_rr_conflicts
= (yyvsp
[0].integer
); }
1548 #line 210 "parse-gram.y"
1549 { spec_file_prefix
= (yyvsp
[0].chars
); }
1553 #line 212 "parse-gram.y"
1555 nondeterministic_parser
= true;
1561 #line 217 "parse-gram.y"
1563 muscle_code_grow ("initial_action", (yyvsp
[0].chars
), (yylsp
[0]));
1568 #line 220 "parse-gram.y"
1569 { add_param ("lex_param", (yyvsp
[0].chars
), (yylsp
[0])); }
1573 #line 221 "parse-gram.y"
1574 { locations_flag
= true; }
1578 #line 222 "parse-gram.y"
1579 { spec_name_prefix
= (yyvsp
[0].chars
); }
1583 #line 223 "parse-gram.y"
1584 { no_lines_flag
= true; }
1588 #line 224 "parse-gram.y"
1589 { nondeterministic_parser
= true; }
1593 #line 225 "parse-gram.y"
1594 { spec_outfile
= (yyvsp
[0].chars
); }
1598 #line 226 "parse-gram.y"
1599 { add_param ("parse_param", (yyvsp
[0].chars
), (yylsp
[0])); }
1603 #line 227 "parse-gram.y"
1604 { pure_parser
= true; }
1608 #line 228 "parse-gram.y"
1609 { skeleton
= (yyvsp
[0].chars
); }
1613 #line 229 "parse-gram.y"
1614 { token_table_flag
= true; }
1618 #line 230 "parse-gram.y"
1619 { report_flag
= report_states
; }
1623 #line 231 "parse-gram.y"
1624 { yacc_flag
= true; }
1628 #line 239 "parse-gram.y"
1630 grammar_start_symbol_set ((yyvsp
[0].symbol
), (yylsp
[0]));
1635 #line 243 "parse-gram.y"
1638 MUSCLE_INSERT_INT ("stype_line", (yylsp
[0]).start
.line
);
1639 muscle_insert ("stype", (yyvsp
[0].chars
));
1644 #line 249 "parse-gram.y"
1647 for (list
= (yyvsp
[0].list
); list
; list
= list
->next
)
1648 symbol_destructor_set (list
->sym
, (yyvsp
[-1].chars
), (yylsp
[-1]));
1649 symbol_list_free ((yyvsp
[0].list
));
1654 #line 256 "parse-gram.y"
1657 for (list
= (yyvsp
[0].list
); list
; list
= list
->next
)
1658 symbol_printer_set (list
->sym
, (yyvsp
[-1].chars
), list
->location
);
1659 symbol_list_free ((yyvsp
[0].list
));
1664 #line 263 "parse-gram.y"
1666 default_prec
= true;
1671 #line 267 "parse-gram.y"
1673 default_prec
= false;
1678 #line 273 "parse-gram.y"
1679 { current_class
= nterm_sym
; }
1683 #line 274 "parse-gram.y"
1685 current_class
= unknown_sym
;
1686 current_type
= NULL
;
1691 #line 278 "parse-gram.y"
1692 { current_class
= token_sym
; }
1696 #line 279 "parse-gram.y"
1698 current_class
= unknown_sym
;
1699 current_type
= NULL
;
1704 #line 284 "parse-gram.y"
1707 for (list
= (yyvsp
[0].list
); list
; list
= list
->next
)
1708 symbol_type_set (list
->sym
, (yyvsp
[-1].uniqstr
), (yylsp
[-1]));
1709 symbol_list_free ((yyvsp
[0].list
));
1714 #line 294 "parse-gram.y"
1718 for (list
= (yyvsp
[0].list
); list
; list
= list
->next
)
1720 symbol_type_set (list
->sym
, current_type
, (yylsp
[-1]));
1721 symbol_precedence_set (list
->sym
, current_prec
, (yyvsp
[-2].assoc
), (yylsp
[-2]));
1723 symbol_list_free ((yyvsp
[0].list
));
1724 current_type
= NULL
;
1729 #line 308 "parse-gram.y"
1730 { (yyval
.assoc
) = left_assoc
; }
1734 #line 309 "parse-gram.y"
1735 { (yyval
.assoc
) = right_assoc
; }
1739 #line 310 "parse-gram.y"
1740 { (yyval
.assoc
) = non_assoc
; }
1744 #line 314 "parse-gram.y"
1745 { current_type
= NULL
; }
1749 #line 315 "parse-gram.y"
1750 { current_type
= (yyvsp
[0].uniqstr
); }
1754 #line 321 "parse-gram.y"
1755 { (yyval
.list
) = symbol_list_new ((yyvsp
[0].symbol
), (yylsp
[0])); }
1759 #line 322 "parse-gram.y"
1760 { (yyval
.list
) = symbol_list_prepend ((yyvsp
[-1].list
), (yyvsp
[0].symbol
), (yylsp
[0])); }
1764 #line 328 "parse-gram.y"
1766 current_type
= (yyvsp
[0].uniqstr
);
1771 #line 332 "parse-gram.y"
1773 symbol_class_set ((yyvsp
[0].symbol
), current_class
, (yylsp
[0]));
1774 symbol_type_set ((yyvsp
[0].symbol
), current_type
, (yylsp
[0]));
1779 #line 337 "parse-gram.y"
1781 symbol_class_set ((yyvsp
[-1].symbol
), current_class
, (yylsp
[-1]));
1782 symbol_type_set ((yyvsp
[-1].symbol
), current_type
, (yylsp
[-1]));
1783 symbol_user_token_number_set ((yyvsp
[-1].symbol
), (yyvsp
[0].integer
), (yylsp
[0]));
1788 #line 343 "parse-gram.y"
1790 symbol_class_set ((yyvsp
[-1].symbol
), current_class
, (yylsp
[-1]));
1791 symbol_type_set ((yyvsp
[-1].symbol
), current_type
, (yylsp
[-1]));
1792 symbol_make_alias ((yyvsp
[-1].symbol
), (yyvsp
[0].symbol
), (yyloc
));
1797 #line 349 "parse-gram.y"
1799 symbol_class_set ((yyvsp
[-2].symbol
), current_class
, (yylsp
[-2]));
1800 symbol_type_set ((yyvsp
[-2].symbol
), current_type
, (yylsp
[-2]));
1801 symbol_user_token_number_set ((yyvsp
[-2].symbol
), (yyvsp
[-1].integer
), (yylsp
[-1]));
1802 symbol_make_alias ((yyvsp
[-2].symbol
), (yyvsp
[0].symbol
), (yyloc
));
1807 #line 378 "parse-gram.y"
1810 complain_at ((yyloc
), _("POSIX forbids declarations in the grammar"));
1815 #line 383 "parse-gram.y"
1822 #line 389 "parse-gram.y"
1823 { current_lhs
= (yyvsp
[0].symbol
); current_lhs_location
= (yylsp
[0]); }
1827 #line 393 "parse-gram.y"
1828 { grammar_rule_end ((yylsp
[0])); }
1832 #line 394 "parse-gram.y"
1833 { grammar_rule_end ((yylsp
[0])); }
1837 #line 400 "parse-gram.y"
1838 { grammar_rule_begin (current_lhs
, current_lhs_location
); }
1842 #line 402 "parse-gram.y"
1843 { grammar_current_rule_symbol_append ((yyvsp
[0].symbol
), (yylsp
[0])); }
1847 #line 404 "parse-gram.y"
1848 { grammar_current_rule_action_append ((yyvsp
[0].chars
), (yylsp
[0])); }
1852 #line 406 "parse-gram.y"
1853 { grammar_current_rule_prec_set ((yyvsp
[0].symbol
), (yylsp
[0])); }
1857 #line 408 "parse-gram.y"
1858 { grammar_current_rule_dprec_set ((yyvsp
[0].integer
), (yylsp
[0])); }
1862 #line 410 "parse-gram.y"
1863 { grammar_current_rule_merge_set ((yyvsp
[0].uniqstr
), (yylsp
[0])); }
1867 #line 414 "parse-gram.y"
1868 { (yyval
.symbol
) = (yyvsp
[0].symbol
); }
1872 #line 415 "parse-gram.y"
1873 { (yyval
.symbol
) = (yyvsp
[0].symbol
); }
1877 #line 420 "parse-gram.y"
1878 { (yyval
.chars
) = (yyvsp
[0].chars
); }
1882 #line 426 "parse-gram.y"
1884 (yyval
.symbol
) = symbol_get (quotearg_style (c_quoting_style
, (yyvsp
[0].chars
)), (yylsp
[0]));
1885 symbol_class_set ((yyval
.symbol
), token_sym
, (yylsp
[0]));
1890 #line 435 "parse-gram.y"
1891 { (yyval
.chars
) = (yyvsp
[0].chars
); }
1895 #line 442 "parse-gram.y"
1897 muscle_code_grow ("epilogue", (yyvsp
[0].chars
), (yylsp
[0]));
1898 scanner_last_string_free ();
1906 /* Line 1126 of yacc.c. */
1907 #line 1908 "parse-gram.c"
1913 YY_STACK_PRINT (yyss
, yyssp
);
1918 /* Now `shift' the result of the reduction. Determine what state
1919 that goes to, based on the state we popped back to and the rule
1920 number reduced by. */
1924 yystate
= yypgoto
[yyn
- YYNTOKENS
] + *yyssp
;
1925 if (0 <= yystate
&& yystate
<= YYLAST
&& yycheck
[yystate
] == *yyssp
)
1926 yystate
= yytable
[yystate
];
1928 yystate
= yydefgoto
[yyn
- YYNTOKENS
];
1933 /*------------------------------------.
1934 | yyerrlab -- here on detecting error |
1935 `------------------------------------*/
1937 /* If not already recovering from an error, report this error. */
1942 yyn
= yypact
[yystate
];
1944 if (YYPACT_NINF
< yyn
&& yyn
< YYLAST
)
1946 int yytype
= YYTRANSLATE (yychar
);
1947 YYSIZE_T yysize0
= yytnamerr (0, yytname
[yytype
]);
1948 YYSIZE_T yysize
= yysize0
;
1950 int yysize_overflow
= 0;
1952 # define YYERROR_VERBOSE_ARGS_MAXIMUM 5
1953 char const *yyarg
[YYERROR_VERBOSE_ARGS_MAXIMUM
];
1957 /* This is so xgettext sees the translatable formats that are
1958 constructed on the fly. */
1959 YY_("syntax error, unexpected %s");
1960 YY_("syntax error, unexpected %s, expecting %s");
1961 YY_("syntax error, unexpected %s, expecting %s or %s");
1962 YY_("syntax error, unexpected %s, expecting %s or %s or %s");
1963 YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s");
1967 static char const yyunexpected
[] = "syntax error, unexpected %s";
1968 static char const yyexpecting
[] = ", expecting %s";
1969 static char const yyor
[] = " or %s";
1970 char yyformat
[sizeof yyunexpected
1971 + sizeof yyexpecting
- 1
1972 + ((YYERROR_VERBOSE_ARGS_MAXIMUM
- 2)
1973 * (sizeof yyor
- 1))];
1974 char const *yyprefix
= yyexpecting
;
1976 /* Start YYX at -YYN if negative to avoid negative indexes in
1978 int yyxbegin
= yyn
< 0 ? -yyn
: 0;
1980 /* Stay within bounds of both yycheck and yytname. */
1981 int yychecklim
= YYLAST
- yyn
;
1982 int yyxend
= yychecklim
< YYNTOKENS
? yychecklim
: YYNTOKENS
;
1985 yyarg
[0] = yytname
[yytype
];
1986 yyfmt
= yystpcpy (yyformat
, yyunexpected
);
1988 for (yyx
= yyxbegin
; yyx
< yyxend
; ++yyx
)
1989 if (yycheck
[yyx
+ yyn
] == yyx
&& yyx
!= YYTERROR
)
1991 if (yycount
== YYERROR_VERBOSE_ARGS_MAXIMUM
)
1995 yyformat
[sizeof yyunexpected
- 1] = '\0';
1998 yyarg
[yycount
++] = yytname
[yyx
];
1999 yysize1
= yysize
+ yytnamerr (0, yytname
[yyx
]);
2000 yysize_overflow
|= yysize1
< yysize
;
2002 yyfmt
= yystpcpy (yyfmt
, yyprefix
);
2006 yyf
= YY_(yyformat
);
2007 yysize1
= yysize
+ yystrlen (yyf
);
2008 yysize_overflow
|= yysize1
< yysize
;
2011 if (!yysize_overflow
&& yysize
<= YYSTACK_ALLOC_MAXIMUM
)
2012 yymsg
= (char *) YYSTACK_ALLOC (yysize
);
2015 /* Avoid sprintf, as that infringes on the user's name space.
2016 Don't have undefined behavior even if the translation
2017 produced a string with the wrong number of "%s"s. */
2020 while ((*yyp
= *yyf
))
2022 if (*yyp
== '%' && yyf
[1] == 's' && yyi
< yycount
)
2024 yyp
+= yytnamerr (yyp
, yyarg
[yyi
++]);
2034 YYSTACK_FREE (yymsg
);
2038 yyerror (YY_("syntax error"));
2039 goto yyexhaustedlab
;
2043 #endif /* YYERROR_VERBOSE */
2044 yyerror (YY_("syntax error"));
2047 yyerror_range
[0] = yylloc
;
2049 if (yyerrstatus
== 3)
2051 /* If just tried and failed to reuse look-ahead token after an
2052 error, discard it. */
2054 if (yychar
<= YYEOF
)
2056 /* Return failure if at end of input. */
2057 if (yychar
== YYEOF
)
2062 yydestruct ("Error: discarding", yytoken
, &yylval
, &yylloc
);
2067 /* Else will try to reuse look-ahead token after shifting the error
2072 /*---------------------------------------------------.
2073 | yyerrorlab -- error raised explicitly by YYERROR. |
2074 `---------------------------------------------------*/
2077 /* Pacify compilers like GCC when the user code never invokes
2078 YYERROR and the label yyerrorlab therefore never appears in user
2083 yyerror_range
[0] = yylsp
[1-yylen
];
2091 /*-------------------------------------------------------------.
2092 | yyerrlab1 -- common code for both syntax error and YYERROR. |
2093 `-------------------------------------------------------------*/
2095 yyerrstatus
= 3; /* Each real token shifted decrements this. */
2099 yyn
= yypact
[yystate
];
2100 if (yyn
!= YYPACT_NINF
)
2103 if (0 <= yyn
&& yyn
<= YYLAST
&& yycheck
[yyn
] == YYTERROR
)
2111 /* Pop the current state because it cannot handle the error token. */
2115 yyerror_range
[0] = *yylsp
;
2116 yydestruct ("Error: popping", yystos
[yystate
], yyvsp
, yylsp
);
2119 YY_STACK_PRINT (yyss
, yyssp
);
2127 yyerror_range
[1] = yylloc
;
2128 /* Using YYLLOC is tempting, but would change the location of
2129 the look-ahead. YYLOC is available though. */
2130 YYLLOC_DEFAULT (yyloc
, yyerror_range
- 1, 2);
2133 /* Shift the error token. */
2134 YY_SYMBOL_PRINT ("Shifting", yystos
[yyn
], yyvsp
, yylsp
);
2140 /*-------------------------------------.
2141 | yyacceptlab -- YYACCEPT comes here. |
2142 `-------------------------------------*/
2147 /*-----------------------------------.
2148 | yyabortlab -- YYABORT comes here. |
2149 `-----------------------------------*/
2155 /*-------------------------------------------------.
2156 | yyexhaustedlab -- memory exhaustion comes here. |
2157 `-------------------------------------------------*/
2159 yyerror (YY_("memory exhausted"));
2165 if (yychar
!= YYEOF
&& yychar
!= YYEMPTY
)
2166 yydestruct ("Cleanup: discarding lookahead",
2167 yytoken
, &yylval
, &yylloc
);
2168 while (yyssp
!= yyss
)
2170 yydestruct ("Cleanup: popping",
2171 yystos
[*yyssp
], yyvsp
, yylsp
);
2176 YYSTACK_FREE (yyss
);
2182 #line 448 "parse-gram.y"
2186 /* Return the location of the left-hand side of a rule whose
2187 right-hand side is RHS[1] ... RHS[N]. Ignore empty nonterminals in
2188 the right-hand side, and return an empty location equal to the end
2189 boundary of RHS[0] if the right-hand side is empty. */
2192 lloc_default (YYLTYPE
const *rhs
, int n
)
2197 /* SGI MIPSpro 7.4.1m miscompiles "loc.start = loc.end = rhs[n].end;".
2198 The bug is fixed in 7.4.2m, but play it safe for now. */
2199 loc
.start
= rhs
[n
].end
;
2200 loc
.end
= rhs
[n
].end
;
2202 /* Ignore empty nonterminals the start of the the right-hand side.
2203 Do not bother to ignore them at the end of the right-hand side,
2204 since empty nonterminals have the same end as their predecessors. */
2205 for (i
= 1; i
<= n
; i
++)
2206 if (! equal_boundaries (rhs
[i
].start
, rhs
[i
].end
))
2208 loc
.start
= rhs
[i
].start
;
2216 /* Add a lex-param or a parse-param (depending on TYPE) with
2217 declaration DECL and location LOC. */
2220 add_param (char const *type
, char *decl
, location loc
)
2222 static char const alphanum
[26 + 26 + 1 + 10] =
2223 "abcdefghijklmnopqrstuvwxyz"
2224 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
2227 char const *name_start
= NULL
;
2230 /* Stop on last actual character. */
2231 for (p
= decl
; p
[1]; p
++)
2233 || ! memchr (alphanum
, p
[-1], sizeof alphanum
))
2234 && memchr (alphanum
, p
[0], sizeof alphanum
- 10))
2237 /* Strip the surrounding '{' and '}', and any blanks just inside
2239 while (*--p
== ' ' || *p
== '\t')
2242 while (*++decl
== ' ' || *decl
== '\t')
2246 complain_at (loc
, _("missing identifier in parameter declaration"));
2253 memchr (alphanum
, name_start
[name_len
], sizeof alphanum
);
2257 name
= xmalloc (name_len
+ 1);
2258 memcpy (name
, name_start
, name_len
);
2259 name
[name_len
] = '\0';
2260 muscle_pair_list_grow (type
, decl
, name
);
2264 scanner_last_string_free ();
2268 gram_error (location
const *loc
, char const *msg
)
2270 complain_at (*loc
, "%s", msg
);
2274 token_name (int type
)
2276 return yytname
[YYTRANSLATE (type
)];