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_REQUIRE
= 291,
102 PERCENT_SKELETON
= 292,
104 PERCENT_TOKEN_TABLE
= 294,
105 PERCENT_VERBOSE
= 295,
113 PERCENT_PERCENT
= 303,
123 #define PERCENT_TOKEN 260
124 #define PERCENT_NTERM 261
125 #define PERCENT_TYPE 262
126 #define PERCENT_DESTRUCTOR 263
127 #define PERCENT_PRINTER 264
128 #define PERCENT_UNION 265
129 #define PERCENT_LEFT 266
130 #define PERCENT_RIGHT 267
131 #define PERCENT_NONASSOC 268
132 #define PERCENT_PREC 269
133 #define PERCENT_DPREC 270
134 #define PERCENT_MERGE 271
135 #define PERCENT_DEBUG 272
136 #define PERCENT_DEFAULT_PREC 273
137 #define PERCENT_DEFINE 274
138 #define PERCENT_DEFINES 275
139 #define PERCENT_ERROR_VERBOSE 276
140 #define PERCENT_EXPECT 277
141 #define PERCENT_EXPECT_RR 278
142 #define PERCENT_FILE_PREFIX 279
143 #define PERCENT_GLR_PARSER 280
144 #define PERCENT_INITIAL_ACTION 281
145 #define PERCENT_LEX_PARAM 282
146 #define PERCENT_LOCATIONS 283
147 #define PERCENT_NAME_PREFIX 284
148 #define PERCENT_NO_DEFAULT_PREC 285
149 #define PERCENT_NO_LINES 286
150 #define PERCENT_NONDETERMINISTIC_PARSER 287
151 #define PERCENT_OUTPUT 288
152 #define PERCENT_PARSE_PARAM 289
153 #define PERCENT_PURE_PARSER 290
154 #define PERCENT_REQUIRE 291
155 #define PERCENT_SKELETON 292
156 #define PERCENT_START 293
157 #define PERCENT_TOKEN_TABLE 294
158 #define PERCENT_VERBOSE 295
159 #define PERCENT_YACC 296
162 #define SEMICOLON 299
166 #define PERCENT_PERCENT 303
169 #define BRACED_CODE 306
174 /* Copy the first part of user declarations. */
175 #line 1 "parse-gram.y"
176 /* Bison Grammar Parser -*- C -*-
178 Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
180 This file is part of Bison, the GNU Compiler Compiler.
182 This program is free software; you can redistribute it and/or modify
183 it under the terms of the GNU General Public License as published by
184 the Free Software Foundation; either version 2 of the License, or
185 (at your option) any later version.
187 This program is distributed in the hope that it will be useful,
188 but WITHOUT ANY WARRANTY; without even the implied warranty of
189 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
190 GNU General Public License for more details.
192 You should have received a copy of the GNU General Public License
193 along with this program; if not, write to the Free Software
194 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
200 #include "complain.h"
201 #include "conflicts.h"
205 #include "muscle_tab.h"
207 #include "quotearg.h"
210 #include "strverscmp.h"
212 #define YYLLOC_DEFAULT(Current, Rhs, N) (Current) = lloc_default (Rhs, N)
213 static YYLTYPE
lloc_default (YYLTYPE
const *, int);
215 #define YY_LOCATION_PRINT(File, Loc) \
216 location_print (File, Loc)
218 static void version_check (location
const *loc
, char const *version
);
220 /* Request detailed syntax error messages, and pass them to GRAM_ERROR.
221 FIXME: depends on the undocumented availability of YYLLOC. */
223 #define yyerror(Msg) \
224 gram_error (&yylloc, Msg)
225 static void gram_error (location
const *, char const *);
227 static void add_param (char const *, char *, location
);
229 static symbol_class current_class
= unknown_sym
;
230 static uniqstr current_type
= 0;
232 location current_lhs_location
;
234 static int current_prec
= 0;
237 /* Enabling traces. */
242 /* Enabling verbose error messages. */
243 #ifdef YYERROR_VERBOSE
244 # undef YYERROR_VERBOSE
245 # define YYERROR_VERBOSE 1
247 # define YYERROR_VERBOSE 1
250 /* Enabling the token table. */
251 #ifndef YYTOKEN_TABLE
252 # define YYTOKEN_TABLE 0
255 #if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)
256 #line 82 "parse-gram.y"
257 typedef union YYSTYPE
{
265 /* Line 196 of yacc.c. */
266 #line 267 "parse-gram.c"
267 # define yystype YYSTYPE /* obsolescent; will be withdrawn */
268 # define YYSTYPE_IS_DECLARED 1
269 # define YYSTYPE_IS_TRIVIAL 1
272 #if ! defined (YYLTYPE) && ! defined (YYLTYPE_IS_DECLARED)
273 typedef struct YYLTYPE
280 # define yyltype YYLTYPE /* obsolescent; will be withdrawn */
281 # define YYLTYPE_IS_DECLARED 1
282 # define YYLTYPE_IS_TRIVIAL 1
286 /* Copy the second part of user declarations. */
289 /* Line 219 of yacc.c. */
290 #line 291 "parse-gram.c"
293 # if defined (__SIZE_TYPE__)
294 # define YYSIZE_T __SIZE_TYPE__
295 # elif defined (size_t)
296 # define YYSIZE_T size_t
297 # elif ! defined (YYSIZE_T) && (defined (__STDC__) || defined (__cplusplus))
298 # include <stddef.h> /* INFRINGES ON USER NAME SPACE */
299 # define YYSIZE_T size_t
301 # define YYSIZE_T unsigned int
305 #define YYSIZE_MAXIMUM ((YYSIZE_T) -1)
310 # include <libintl.h> /* INFRINGES ON USER NAME SPACE */
311 # define YY_(msgid) dgettext ("bison-runtime", msgid)
315 # define YY_(msgid) msgid
319 /* Suppress unused-variable warnings by "using" E. */
320 #define YYUSE(e) do {;} while (/*CONSTCOND*/ 0 && (e))
322 #if ! defined (yyoverflow) || YYERROR_VERBOSE
324 /* The parser invokes alloca or malloc; define the necessary symbols. */
326 # ifdef YYSTACK_USE_ALLOCA
327 # if YYSTACK_USE_ALLOCA
329 # define YYSTACK_ALLOC __builtin_alloca
330 # elif defined (__BUILTIN_VA_ARG_INCR)
331 # include <alloca.h> /* INFRINGES ON USER NAME SPACE */
332 # elif defined (_AIX)
333 # define YYSTACK_ALLOC __alloca
334 # elif defined (_MSC_VER)
335 # include <malloc.h> /* INFRINGES ON USER NAME SPACE */
336 # define alloca _alloca
338 # define YYSTACK_ALLOC alloca
339 # if (! defined (_ALLOCA_H) && ! defined (_STDLIB_H) \
340 && (defined (__STDC__) || defined (__cplusplus)))
341 # include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
350 # ifdef YYSTACK_ALLOC
351 /* Pacify GCC's `empty if-body' warning. */
352 # define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
353 # ifndef YYSTACK_ALLOC_MAXIMUM
354 /* The OS might guarantee only one guard page at the bottom of the stack,
355 and a page size can be as small as 4096 bytes. So we cannot safely
356 invoke alloca (N) if N exceeds 4096. Use a slightly smaller number
357 to allow for a few compiler-allocated temporary stack slots. */
358 # define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2005 */
361 # define YYSTACK_ALLOC YYMALLOC
362 # define YYSTACK_FREE YYFREE
363 # ifndef YYSTACK_ALLOC_MAXIMUM
364 # define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
370 # define YYMALLOC malloc
371 # if (! defined (malloc) && ! defined (_STDLIB_H) \
372 && (defined (__STDC__) || defined (__cplusplus)))
373 void *malloc (YYSIZE_T
); /* INFRINGES ON USER NAME SPACE */
378 # if (! defined (free) && ! defined (_STDLIB_H) \
379 && (defined (__STDC__) || defined (__cplusplus)))
380 void free (void *); /* INFRINGES ON USER NAME SPACE */
387 #endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */
390 #if (! defined (yyoverflow) \
391 && (! defined (__cplusplus) \
392 || (defined (YYLTYPE_IS_TRIVIAL) && YYLTYPE_IS_TRIVIAL \
393 && defined (YYSTYPE_IS_TRIVIAL) && YYSTYPE_IS_TRIVIAL)))
395 /* A type that is properly aligned for any stack member. */
403 /* The size of the maximum gap between one aligned stack and the next. */
404 # define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)
406 /* The size of an array large to enough to hold all stacks, each with
408 # define YYSTACK_BYTES(N) \
409 ((N) * (sizeof (short int) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \
410 + 2 * YYSTACK_GAP_MAXIMUM)
412 /* Copy COUNT objects from FROM to TO. The source and destination do
415 # if defined (__GNUC__) && 1 < __GNUC__
416 # define YYCOPY(To, From, Count) \
417 __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
419 # define YYCOPY(To, From, Count) \
423 for (yyi = 0; yyi < (Count); yyi++) \
424 (To)[yyi] = (From)[yyi]; \
426 while (/*CONSTCOND*/ 0)
430 /* Relocate STACK from its old location to the new one. The
431 local variables YYSIZE and YYSTACKSIZE give the old and new number of
432 elements in the stack, and YYPTR gives the new location of the
433 stack. Advance YYPTR to a properly aligned location for the next
435 # define YYSTACK_RELOCATE(Stack) \
438 YYSIZE_T yynewbytes; \
439 YYCOPY (&yyptr->Stack, Stack, yysize); \
440 Stack = &yyptr->Stack; \
441 yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
442 yyptr += yynewbytes / sizeof (*yyptr); \
444 while (/*CONSTCOND*/ 0)
448 #if defined (__STDC__) || defined (__cplusplus)
449 typedef signed char yysigned_char
;
451 typedef short int yysigned_char
;
454 /* YYFINAL -- State number of the termination state. */
456 /* YYLAST -- Last index in YYTABLE. */
459 /* YYNTOKENS -- Number of terminals. */
461 /* YYNNTS -- Number of nonterminals. */
463 /* YYNRULES -- Number of rules. */
465 /* YYNRULES -- Number of states. */
466 #define YYNSTATES 110
468 /* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */
470 #define YYMAXUTOK 306
472 #define YYTRANSLATE(YYX) \
473 ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
475 /* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */
476 static const unsigned char yytranslate
[] =
478 0, 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, 2, 2, 2, 2,
487 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
488 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
489 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
490 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
491 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
492 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
493 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
494 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
495 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
496 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
497 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
498 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
499 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
500 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
501 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
502 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
503 2, 2, 2, 2, 2, 2, 1, 2, 3, 4,
504 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
505 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
506 25, 26, 27, 28, 29, 30, 31, 32, 33, 34,
507 35, 36, 37, 38, 39, 40, 41, 42, 43, 44,
508 45, 46, 47, 48, 49, 50, 51
512 /* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
514 static const unsigned char yyprhs
[] =
516 0, 0, 3, 8, 9, 12, 14, 16, 18, 21,
517 25, 27, 29, 32, 35, 39, 41, 43, 45, 47,
518 51, 53, 55, 59, 61, 63, 66, 69, 71, 73,
519 75, 77, 79, 81, 84, 86, 89, 92, 94, 96,
520 97, 101, 102, 106, 110, 114, 116, 118, 120, 121,
521 123, 125, 128, 130, 132, 135, 138, 142, 144, 147,
522 149, 152, 154, 157, 160, 161, 165, 167, 171, 174,
523 175, 178, 181, 185, 189, 193, 195, 197, 199, 201,
527 /* YYRHS -- A `-1'-separated list of the rules' RHS. */
528 static const yysigned_char yyrhs
[] =
530 53, 0, -1, 54, 48, 66, 76, -1, -1, 54,
531 55, -1, 56, -1, 49, -1, 17, -1, 19, 75,
532 -1, 19, 75, 75, -1, 20, -1, 21, -1, 22,
533 4, -1, 23, 4, -1, 24, 43, 75, -1, 25,
534 -1, 26, -1, 27, -1, 28, -1, 29, 43, 75,
535 -1, 31, -1, 32, -1, 33, 43, 75, -1, 34,
536 -1, 35, -1, 36, 75, -1, 37, 75, -1, 39,
537 -1, 40, -1, 41, -1, 44, -1, 60, -1, 57,
538 -1, 38, 72, -1, 10, -1, 8, 63, -1, 9,
539 63, -1, 18, -1, 30, -1, -1, 6, 58, 65,
540 -1, -1, 5, 59, 65, -1, 7, 42, 63, -1,
541 61, 62, 63, -1, 11, -1, 12, -1, 13, -1,
542 -1, 42, -1, 72, -1, 63, 72, -1, 42, -1,
543 46, -1, 46, 4, -1, 46, 74, -1, 46, 4,
544 74, -1, 64, -1, 65, 64, -1, 67, -1, 66,
545 67, -1, 68, -1, 56, 44, -1, 1, 44, -1,
546 -1, 47, 69, 70, -1, 71, -1, 70, 45, 71,
547 -1, 70, 44, -1, -1, 71, 72, -1, 71, 73,
548 -1, 71, 14, 72, -1, 71, 15, 4, -1, 71,
549 16, 42, -1, 46, -1, 74, -1, 51, -1, 3,
550 -1, 3, -1, -1, 48, 50, -1
553 /* YYRLINE[YYN] -- source line where rule number YYN was defined. */
554 static const unsigned short int yyrline
[] =
556 0, 192, 192, 200, 202, 206, 207, 208, 209, 210,
557 211, 212, 213, 214, 215, 216, 221, 225, 226, 227,
558 228, 229, 230, 231, 232, 233, 234, 235, 236, 237,
559 238, 242, 243, 244, 248, 254, 261, 268, 272, 279,
560 279, 284, 284, 289, 299, 314, 315, 316, 320, 321,
561 327, 328, 333, 337, 342, 348, 354, 365, 366, 375,
562 376, 382, 383, 388, 395, 395, 399, 400, 401, 406,
563 407, 409, 411, 413, 415, 420, 421, 425, 431, 440,
568 #if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE
569 /* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
570 First, the terminals, then, starting at YYNTOKENS, nonterminals. */
571 static const char *const yytname
[] =
573 "\"end of file\"", "error", "$undefined", "\"string\"", "\"integer\"",
574 "\"%token\"", "\"%nterm\"", "\"%type\"", "\"%destructor {...}\"",
575 "\"%printer {...}\"", "\"%union {...}\"", "\"%left\"", "\"%right\"",
576 "\"%nonassoc\"", "\"%prec\"", "\"%dprec\"", "\"%merge\"", "\"%debug\"",
577 "\"%default-prec\"", "\"%define\"", "\"%defines\"", "\"%error-verbose\"",
578 "\"%expect\"", "\"%expect-rr\"", "\"%file-prefix\"", "\"%glr-parser\"",
579 "\"%initial-action {...}\"", "\"%lex-param {...}\"", "\"%locations\"",
580 "\"%name-prefix\"", "\"%no-default-prec\"", "\"%no-lines\"",
581 "\"%nondeterministic-parser\"", "\"%output\"", "\"%parse-param {...}\"",
582 "\"%pure-parser\"", "\"%require\"", "\"%skeleton\"", "\"%start\"",
583 "\"%token-table\"", "\"%verbose\"", "\"%yacc\"", "\"type\"", "\"=\"",
584 "\";\"", "\"|\"", "\"identifier\"", "\"identifier:\"", "\"%%\"",
585 "\"%{...%}\"", "\"epilogue\"", "\"{...}\"", "$accept", "input",
586 "declarations", "declaration", "grammar_declaration",
587 "symbol_declaration", "@1", "@2", "precedence_declaration",
588 "precedence_declarator", "type.opt", "symbols.1", "symbol_def",
589 "symbol_defs.1", "grammar", "rules_or_grammar_declaration", "rules",
590 "@3", "rhses.1", "rhs", "symbol", "action", "string_as_id",
591 "string_content", "epilogue.opt", 0
596 /* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
598 static const unsigned short int yytoknum
[] =
600 0, 256, 257, 258, 259, 260, 261, 262, 263, 264,
601 265, 266, 267, 268, 269, 270, 271, 272, 273, 274,
602 275, 276, 277, 278, 279, 280, 281, 282, 283, 284,
603 285, 286, 287, 288, 289, 290, 291, 292, 293, 294,
604 295, 296, 297, 298, 299, 300, 301, 302, 303, 304,
609 /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
610 static const unsigned char yyr1
[] =
612 0, 52, 53, 54, 54, 55, 55, 55, 55, 55,
613 55, 55, 55, 55, 55, 55, 55, 55, 55, 55,
614 55, 55, 55, 55, 55, 55, 55, 55, 55, 55,
615 55, 56, 56, 56, 56, 56, 56, 56, 56, 58,
616 57, 59, 57, 57, 60, 61, 61, 61, 62, 62,
617 63, 63, 64, 64, 64, 64, 64, 65, 65, 66,
618 66, 67, 67, 67, 69, 68, 70, 70, 70, 71,
619 71, 71, 71, 71, 71, 72, 72, 73, 74, 75,
623 /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
624 static const unsigned char yyr2
[] =
626 0, 2, 4, 0, 2, 1, 1, 1, 2, 3,
627 1, 1, 2, 2, 3, 1, 1, 1, 1, 3,
628 1, 1, 3, 1, 1, 2, 2, 1, 1, 1,
629 1, 1, 1, 2, 1, 2, 2, 1, 1, 0,
630 3, 0, 3, 3, 3, 1, 1, 1, 0, 1,
631 1, 2, 1, 1, 2, 2, 3, 1, 2, 1,
632 2, 1, 2, 2, 0, 3, 1, 3, 2, 0,
633 2, 2, 3, 3, 3, 1, 1, 1, 1, 1,
637 /* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
638 STATE-NUM when YYTABLE doesn't specify something else to do. Zero
639 means the default is an error. */
640 static const unsigned char yydefact
[] =
642 3, 0, 0, 1, 41, 39, 0, 0, 0, 34,
643 45, 46, 47, 7, 37, 0, 10, 11, 0, 0,
644 0, 15, 16, 17, 18, 0, 38, 20, 21, 0,
645 23, 24, 0, 0, 0, 27, 28, 29, 30, 0,
646 6, 4, 5, 32, 31, 48, 0, 0, 0, 78,
647 75, 35, 50, 76, 36, 79, 8, 12, 13, 0,
648 0, 0, 25, 26, 33, 0, 64, 0, 0, 59,
649 61, 49, 0, 52, 53, 57, 42, 40, 43, 51,
650 9, 14, 19, 22, 63, 69, 62, 0, 60, 2,
651 44, 54, 55, 58, 65, 66, 81, 56, 68, 69,
652 0, 0, 0, 77, 70, 71, 67, 72, 73, 74
655 /* YYDEFGOTO[NTERM-NUM]. */
656 static const yysigned_char yydefgoto
[] =
658 -1, 1, 2, 41, 67, 43, 47, 46, 44, 45,
659 72, 51, 75, 76, 68, 69, 70, 85, 94, 95,
663 /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
665 #define YYPACT_NINF -69
666 static const yysigned_char yypact
[] =
668 -69, 5, 112, -69, -69, -69, -35, 0, 0, -69,
669 -69, -69, -69, -69, -69, 13, -69, -69, 20, 31,
670 -18, -69, -69, -69, -69, -6, -69, -69, -69, -5,
671 -69, -69, 13, 13, 0, -69, -69, -69, -69, 69,
672 -69, -69, -69, -69, -69, -2, -38, -38, 0, -69,
673 -69, 0, -69, -69, 0, -69, 13, -69, -69, 13,
674 13, 13, -69, -69, -69, -8, -69, 3, 21, -69,
675 -69, -69, 0, -69, 6, -69, -38, -38, 0, -69,
676 -69, -69, -69, -69, -69, -69, -69, 2, -69, -69,
677 0, 39, -69, -69, -33, -1, -69, -69, -69, -69,
678 0, 44, 1, -69, -69, -69, -1, -69, -69, -69
681 /* YYPGOTO[NTERM-NUM]. */
682 static const yysigned_char yypgoto
[] =
684 -69, -69, -69, -69, 47, -69, -69, -69, -69, -69,
685 -69, -7, -58, 7, -69, -15, -69, -69, -69, -44,
686 -34, -69, -68, 30, -69
689 /* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If
690 positive, shift that token. If negative, reduce the rule which
691 number is the opposite. If zero, do what YYDEFACT says.
692 If YYTABLE_NINF, syntax error. */
693 #define YYTABLE_NINF -81
694 static const yysigned_char yytable
[] =
696 64, 54, 49, 49, 73, 3, 92, 48, 74, 49,
697 91, 98, 99, 100, 101, 102, 55, 79, 93, 93,
698 79, -80, 65, 97, 57, 59, 4, 5, 6, 7,
699 8, 9, 10, 11, 12, 58, 84, 60, 61, 14,
700 71, 78, 49, 109, 79, 50, 50, 86, 108, 42,
701 103, 26, 96, 88, 77, 106, 79, 0, 0, 34,
702 0, 104, 62, 63, 0, 90, 107, 0, 66, 87,
703 65, 0, 104, 0, 4, 5, 6, 7, 8, 9,
704 10, 11, 12, 0, 0, 0, 80, 14, 0, 81,
705 82, 83, 0, 0, 0, 0, 0, 0, 0, 26,
706 0, 0, 0, 0, 0, 0, 0, 34, 0, 0,
707 0, 0, 0, 0, 0, 0, 66, 4, 5, 6,
708 7, 8, 9, 10, 11, 12, 0, 0, 0, 13,
709 14, 15, 16, 17, 18, 19, 20, 21, 22, 23,
710 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
711 34, 35, 36, 37, 0, 0, 38, 0, 0, 0,
715 static const yysigned_char yycheck
[] =
717 34, 8, 3, 3, 42, 0, 74, 42, 46, 3,
718 4, 44, 45, 14, 15, 16, 3, 51, 76, 77,
719 54, 0, 1, 91, 4, 43, 5, 6, 7, 8,
720 9, 10, 11, 12, 13, 4, 44, 43, 43, 18,
721 42, 48, 3, 42, 78, 46, 46, 44, 4, 2,
722 51, 30, 50, 68, 47, 99, 90, -1, -1, 38,
723 -1, 95, 32, 33, -1, 72, 100, -1, 47, 48,
724 1, -1, 106, -1, 5, 6, 7, 8, 9, 10,
725 11, 12, 13, -1, -1, -1, 56, 18, -1, 59,
726 60, 61, -1, -1, -1, -1, -1, -1, -1, 30,
727 -1, -1, -1, -1, -1, -1, -1, 38, -1, -1,
728 -1, -1, -1, -1, -1, -1, 47, 5, 6, 7,
729 8, 9, 10, 11, 12, 13, -1, -1, -1, 17,
730 18, 19, 20, 21, 22, 23, 24, 25, 26, 27,
731 28, 29, 30, 31, 32, 33, 34, 35, 36, 37,
732 38, 39, 40, 41, -1, -1, 44, -1, -1, -1,
736 /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
737 symbol of state STATE-NUM. */
738 static const unsigned char yystos
[] =
740 0, 53, 54, 0, 5, 6, 7, 8, 9, 10,
741 11, 12, 13, 17, 18, 19, 20, 21, 22, 23,
742 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
743 34, 35, 36, 37, 38, 39, 40, 41, 44, 48,
744 49, 55, 56, 57, 60, 61, 59, 58, 42, 3,
745 46, 63, 72, 74, 63, 3, 75, 4, 4, 43,
746 43, 43, 75, 75, 72, 1, 47, 56, 66, 67,
747 68, 42, 62, 42, 46, 64, 65, 65, 63, 72,
748 75, 75, 75, 75, 44, 69, 44, 48, 67, 76,
749 63, 4, 74, 64, 70, 71, 50, 74, 44, 45,
750 14, 15, 16, 51, 72, 73, 71, 72, 4, 42
753 #define yyerrok (yyerrstatus = 0)
754 #define yyclearin (yychar = YYEMPTY)
758 #define YYACCEPT goto yyacceptlab
759 #define YYABORT goto yyabortlab
760 #define YYERROR goto yyerrorlab
763 /* Like YYERROR except do call yyerror. This remains here temporarily
764 to ease the transition to the new meaning of YYERROR, for GCC.
765 Once GCC version 2 has supplanted version 1, this can go. */
767 #define YYFAIL goto yyerrlab
769 #define YYRECOVERING() (!!yyerrstatus)
771 #define YYBACKUP(Token, Value) \
773 if (yychar == YYEMPTY && yylen == 1) \
777 yytoken = YYTRANSLATE (yychar); \
783 yyerror (YY_("syntax error: cannot back up")); \
786 while (/*CONSTCOND*/ 0)
790 #define YYERRCODE 256
793 /* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N].
794 If N is 0, then set CURRENT to the empty location which ends
795 the previous symbol: RHS[0] (always defined). */
797 #define YYRHSLOC(Rhs, K) ((Rhs)[K])
798 #ifndef YYLLOC_DEFAULT
799 # define YYLLOC_DEFAULT(Current, Rhs, N) \
803 (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \
804 (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \
805 (Current).last_line = YYRHSLOC (Rhs, N).last_line; \
806 (Current).last_column = YYRHSLOC (Rhs, N).last_column; \
810 (Current).first_line = (Current).last_line = \
811 YYRHSLOC (Rhs, 0).last_line; \
812 (Current).first_column = (Current).last_column = \
813 YYRHSLOC (Rhs, 0).last_column; \
815 while (/*CONSTCOND*/ 0)
819 /* YY_LOCATION_PRINT -- Print the location on the stream.
820 This macro was not mandated originally: define only if we know
821 we won't break user code: when these are the locations we know. */
823 #ifndef YY_LOCATION_PRINT
824 # if YYLTYPE_IS_TRIVIAL
825 # define YY_LOCATION_PRINT(File, Loc) \
826 fprintf (File, "%d.%d-%d.%d", \
827 (Loc).first_line, (Loc).first_column, \
828 (Loc).last_line, (Loc).last_column)
830 # define YY_LOCATION_PRINT(File, Loc) ((void) 0)
835 /* YYLEX -- calling `yylex' with the right arguments. */
838 # define YYLEX yylex (&yylval, &yylloc, YYLEX_PARAM)
840 # define YYLEX yylex (&yylval, &yylloc)
843 /* Enable debugging if requested. */
847 # include <stdio.h> /* INFRINGES ON USER NAME SPACE */
848 # define YYFPRINTF fprintf
851 # define YYDPRINTF(Args) \
855 } while (/*CONSTCOND*/ 0)
857 # define YY_SYMBOL_PRINT(Title, Type, Value, Location) \
861 YYFPRINTF (stderr, "%s ", Title); \
862 yysymprint (stderr, \
863 Type, Value, Location); \
864 YYFPRINTF (stderr, "\n"); \
866 } while (/*CONSTCOND*/ 0)
868 /*------------------------------------------------------------------.
869 | yy_stack_print -- Print the state stack from its BOTTOM up to its |
871 `------------------------------------------------------------------*/
873 #if defined (__STDC__) || defined (__cplusplus)
875 yy_stack_print (short int *bottom
, short int *top
)
878 yy_stack_print (bottom
, top
)
883 YYFPRINTF (stderr
, "Stack now");
884 for (/* Nothing. */; bottom
<= top
; ++bottom
)
885 YYFPRINTF (stderr
, " %d", *bottom
);
886 YYFPRINTF (stderr
, "\n");
889 # define YY_STACK_PRINT(Bottom, Top) \
892 yy_stack_print ((Bottom), (Top)); \
893 } while (/*CONSTCOND*/ 0)
896 /*------------------------------------------------.
897 | Report that the YYRULE is going to be reduced. |
898 `------------------------------------------------*/
900 #if defined (__STDC__) || defined (__cplusplus)
902 yy_reduce_print (int yyrule
)
905 yy_reduce_print (yyrule
)
910 unsigned long int yylno
= yyrline
[yyrule
];
911 YYFPRINTF (stderr
, "Reducing stack by rule %d (line %lu), ",
913 /* Print the symbols being reduced, and their result. */
914 for (yyi
= yyprhs
[yyrule
]; 0 <= yyrhs
[yyi
]; yyi
++)
915 YYFPRINTF (stderr
, "%s ", yytname
[yyrhs
[yyi
]]);
916 YYFPRINTF (stderr
, "-> %s\n", yytname
[yyr1
[yyrule
]]);
919 # define YY_REDUCE_PRINT(Rule) \
922 yy_reduce_print (Rule); \
923 } while (/*CONSTCOND*/ 0)
925 /* Nonzero means print parse trace. It is left uninitialized so that
926 multiple parsers can coexist. */
929 # define YYDPRINTF(Args)
930 # define YY_SYMBOL_PRINT(Title, Type, Value, Location)
931 # define YY_STACK_PRINT(Bottom, Top)
932 # define YY_REDUCE_PRINT(Rule)
933 #endif /* !YYDEBUG */
936 /* YYINITDEPTH -- initial size of the parser's stacks. */
938 # define YYINITDEPTH 200
941 /* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
942 if the built-in stack extension method is used).
944 Do not make this value too large; the results are undefined if
945 YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH)
946 evaluated with infinite-precision integer arithmetic. */
949 # define YYMAXDEPTH 10000
957 # if defined (__GLIBC__) && defined (_STRING_H)
958 # define yystrlen strlen
960 /* Return the length of YYSTR. */
962 # if defined (__STDC__) || defined (__cplusplus)
963 yystrlen (const char *yystr
)
969 const char *yys
= yystr
;
971 while (*yys
++ != '\0')
974 return yys
- yystr
- 1;
980 # if defined (__GLIBC__) && defined (_STRING_H) && defined (_GNU_SOURCE)
981 # define yystpcpy stpcpy
983 /* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
986 # if defined (__STDC__) || defined (__cplusplus)
987 yystpcpy (char *yydest
, const char *yysrc
)
989 yystpcpy (yydest
, yysrc
)
995 const char *yys
= yysrc
;
997 while ((*yyd
++ = *yys
++) != '\0')
1006 /* Copy to YYRES the contents of YYSTR after stripping away unnecessary
1007 quotes and backslashes, so that it's suitable for yyerror. The
1008 heuristic is that double-quoting is unnecessary unless the string
1009 contains an apostrophe, a comma, or backslash (other than
1010 backslash-backslash). YYSTR is taken from yytname. If YYRES is
1011 null, do not copy; instead, return the length of what the result
1014 yytnamerr (char *yyres
, const char *yystr
)
1019 char const *yyp
= yystr
;
1026 goto do_not_strip_quotes
;
1030 goto do_not_strip_quotes
;
1043 do_not_strip_quotes
: ;
1047 return yystrlen (yystr
);
1049 return yystpcpy (yyres
, yystr
) - yyres
;
1053 /* Copy into YYRESULT an error message about the unexpected token
1054 YYCHAR while in state YYSTATE. Return the number of bytes copied,
1055 including the terminating null byte. If YYRESULT is null, do not
1056 copy anything; just return the number of bytes that would be
1057 copied. As a special case, return 0 if an ordinary "syntax error"
1058 message will do. Return YYSIZE_MAXIMUM if overflow occurs during
1059 size calculation. */
1061 yysyntax_error (char *yyresult
, int yystate
, int yychar
)
1063 int yyn
= yypact
[yystate
];
1065 if (! (YYPACT_NINF
< yyn
&& yyn
< YYLAST
))
1069 int yytype
= YYTRANSLATE (yychar
);
1070 YYSIZE_T yysize0
= yytnamerr (0, yytname
[yytype
]);
1071 YYSIZE_T yysize
= yysize0
;
1073 int yysize_overflow
= 0;
1074 enum { YYERROR_VERBOSE_ARGS_MAXIMUM
= 5 };
1075 char const *yyarg
[YYERROR_VERBOSE_ARGS_MAXIMUM
];
1079 /* This is so xgettext sees the translatable formats that are
1080 constructed on the fly. */
1081 YY_("syntax error, unexpected %s");
1082 YY_("syntax error, unexpected %s, expecting %s");
1083 YY_("syntax error, unexpected %s, expecting %s or %s");
1084 YY_("syntax error, unexpected %s, expecting %s or %s or %s");
1085 YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s");
1089 static char const yyunexpected
[] = "syntax error, unexpected %s";
1090 static char const yyexpecting
[] = ", expecting %s";
1091 static char const yyor
[] = " or %s";
1092 char yyformat
[sizeof yyunexpected
1093 + sizeof yyexpecting
- 1
1094 + ((YYERROR_VERBOSE_ARGS_MAXIMUM
- 2)
1095 * (sizeof yyor
- 1))];
1096 char const *yyprefix
= yyexpecting
;
1098 /* Start YYX at -YYN if negative to avoid negative indexes in
1100 int yyxbegin
= yyn
< 0 ? -yyn
: 0;
1102 /* Stay within bounds of both yycheck and yytname. */
1103 int yychecklim
= YYLAST
- yyn
;
1104 int yyxend
= yychecklim
< YYNTOKENS
? yychecklim
: YYNTOKENS
;
1107 yyarg
[0] = yytname
[yytype
];
1108 yyfmt
= yystpcpy (yyformat
, yyunexpected
);
1110 for (yyx
= yyxbegin
; yyx
< yyxend
; ++yyx
)
1111 if (yycheck
[yyx
+ yyn
] == yyx
&& yyx
!= YYTERROR
)
1113 if (yycount
== YYERROR_VERBOSE_ARGS_MAXIMUM
)
1117 yyformat
[sizeof yyunexpected
- 1] = '\0';
1120 yyarg
[yycount
++] = yytname
[yyx
];
1121 yysize1
= yysize
+ yytnamerr (0, yytname
[yyx
]);
1122 yysize_overflow
|= yysize1
< yysize
;
1124 yyfmt
= yystpcpy (yyfmt
, yyprefix
);
1128 yyf
= YY_(yyformat
);
1129 yysize1
= yysize
+ yystrlen (yyf
);
1130 yysize_overflow
|= yysize1
< yysize
;
1133 if (yysize_overflow
)
1134 return YYSIZE_MAXIMUM
;
1138 /* Avoid sprintf, as that infringes on the user's name space.
1139 Don't have undefined behavior even if the translation
1140 produced a string with the wrong number of "%s"s. */
1141 char *yyp
= yyresult
;
1143 while ((*yyp
= *yyf
))
1145 if (*yyp
== '%' && yyf
[1] == 's' && yyi
< yycount
)
1147 yyp
+= yytnamerr (yyp
, yyarg
[yyi
++]);
1160 #endif /* YYERROR_VERBOSE */
1164 /*--------------------------------.
1165 | Print this symbol on YYOUTPUT. |
1166 `--------------------------------*/
1168 #if defined (__STDC__) || defined (__cplusplus)
1170 yysymprint (FILE *yyoutput
, int yytype
, YYSTYPE
*yyvaluep
, YYLTYPE
*yylocationp
)
1173 yysymprint (yyoutput
, yytype
, yyvaluep
, yylocationp
)
1177 YYLTYPE
*yylocationp
;
1181 YYUSE (yylocationp
);
1183 if (yytype
< YYNTOKENS
)
1184 YYFPRINTF (yyoutput
, "token %s (", yytname
[yytype
]);
1186 YYFPRINTF (yyoutput
, "nterm %s (", yytname
[yytype
]);
1188 YY_LOCATION_PRINT (yyoutput
, *yylocationp
);
1189 YYFPRINTF (yyoutput
, ": ");
1192 if (yytype
< YYNTOKENS
)
1193 YYPRINT (yyoutput
, yytoknum
[yytype
], *yyvaluep
);
1197 case 3: /* "\"string\"" */
1198 #line 169 "parse-gram.y"
1199 { fprintf (stderr
, "\"%s\"", (yyvaluep
->chars
)); };
1200 #line 1201 "parse-gram.c"
1202 case 4: /* "\"integer\"" */
1203 #line 182 "parse-gram.y"
1204 { fprintf (stderr
, "%d", (yyvaluep
->integer
)); };
1205 #line 1206 "parse-gram.c"
1207 case 8: /* "\"%destructor {...}\"" */
1208 #line 171 "parse-gram.y"
1209 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1210 #line 1211 "parse-gram.c"
1212 case 9: /* "\"%printer {...}\"" */
1213 #line 175 "parse-gram.y"
1214 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1215 #line 1216 "parse-gram.c"
1217 case 10: /* "\"%union {...}\"" */
1218 #line 176 "parse-gram.y"
1219 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1220 #line 1221 "parse-gram.c"
1222 case 26: /* "\"%initial-action {...}\"" */
1223 #line 172 "parse-gram.y"
1224 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1225 #line 1226 "parse-gram.c"
1227 case 27: /* "\"%lex-param {...}\"" */
1228 #line 173 "parse-gram.y"
1229 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1230 #line 1231 "parse-gram.c"
1232 case 34: /* "\"%parse-param {...}\"" */
1233 #line 174 "parse-gram.y"
1234 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1235 #line 1236 "parse-gram.c"
1237 case 42: /* "\"type\"" */
1238 #line 180 "parse-gram.y"
1239 { fprintf (stderr
, "<%s>", (yyvaluep
->uniqstr
)); };
1240 #line 1241 "parse-gram.c"
1242 case 46: /* "\"identifier\"" */
1243 #line 184 "parse-gram.y"
1244 { fprintf (stderr
, "%s", (yyvaluep
->symbol
)->tag
); };
1245 #line 1246 "parse-gram.c"
1247 case 47: /* "\"identifier:\"" */
1248 #line 186 "parse-gram.y"
1249 { fprintf (stderr
, "%s:", (yyvaluep
->symbol
)->tag
); };
1250 #line 1251 "parse-gram.c"
1252 case 49: /* "\"%{...%}\"" */
1253 #line 178 "parse-gram.y"
1254 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1255 #line 1256 "parse-gram.c"
1257 case 50: /* "\"epilogue\"" */
1258 #line 178 "parse-gram.y"
1259 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1260 #line 1261 "parse-gram.c"
1262 case 51: /* "\"{...}\"" */
1263 #line 177 "parse-gram.y"
1264 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1265 #line 1266 "parse-gram.c"
1267 case 72: /* "symbol" */
1268 #line 184 "parse-gram.y"
1269 { fprintf (stderr
, "%s", (yyvaluep
->symbol
)->tag
); };
1270 #line 1271 "parse-gram.c"
1272 case 73: /* "action" */
1273 #line 177 "parse-gram.y"
1274 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1275 #line 1276 "parse-gram.c"
1277 case 74: /* "string_as_id" */
1278 #line 184 "parse-gram.y"
1279 { fprintf (stderr
, "%s", (yyvaluep
->symbol
)->tag
); };
1280 #line 1281 "parse-gram.c"
1282 case 75: /* "string_content" */
1283 #line 169 "parse-gram.y"
1284 { fprintf (stderr
, "\"%s\"", (yyvaluep
->chars
)); };
1285 #line 1286 "parse-gram.c"
1290 YYFPRINTF (yyoutput
, ")");
1293 #endif /* ! YYDEBUG */
1294 /*-----------------------------------------------.
1295 | Release the memory associated to this symbol. |
1296 `-----------------------------------------------*/
1298 #if defined (__STDC__) || defined (__cplusplus)
1300 yydestruct (const char *yymsg
, int yytype
, YYSTYPE
*yyvaluep
, YYLTYPE
*yylocationp
)
1303 yydestruct (yymsg
, yytype
, yyvaluep
, yylocationp
)
1307 YYLTYPE
*yylocationp
;
1311 YYUSE (yylocationp
);
1315 YY_SYMBOL_PRINT (yymsg
, yytype
, yyvaluep
, yylocationp
);
1326 /* Prevent warnings from -Wmissing-prototypes. */
1328 #ifdef YYPARSE_PARAM
1329 # if defined (__STDC__) || defined (__cplusplus)
1330 int yyparse (void *YYPARSE_PARAM
);
1334 #else /* ! YYPARSE_PARAM */
1335 #if defined (__STDC__) || defined (__cplusplus)
1340 #endif /* ! YYPARSE_PARAM */
1351 #ifdef YYPARSE_PARAM
1352 # if defined (__STDC__) || defined (__cplusplus)
1353 int yyparse (void *YYPARSE_PARAM
)
1355 int yyparse (YYPARSE_PARAM
)
1356 void *YYPARSE_PARAM
;
1358 #else /* ! YYPARSE_PARAM */
1359 #if defined (__STDC__) || defined (__cplusplus)
1369 /* The look-ahead symbol. */
1372 /* The semantic value of the look-ahead symbol. */
1375 /* Number of syntax errors so far. */
1377 /* Location data for the look-ahead symbol. */
1383 /* Number of tokens to shift before error messages enabled. */
1385 /* Look-ahead token as an internal (translated) token number. */
1388 /* Buffer for error messages, and its allocated size. */
1390 char *yymsg
= yymsgbuf
;
1391 YYSIZE_T yymsg_alloc
= sizeof yymsgbuf
;
1394 /* Three stacks and their tools:
1395 `yyss': related to states,
1396 `yyvs': related to semantic values,
1397 `yyls': related to locations.
1399 Refer to the stacks thru separate pointers, to allow yyoverflow
1400 to reallocate them elsewhere. */
1402 /* The state stack. */
1403 short int yyssa
[YYINITDEPTH
];
1404 short int *yyss
= yyssa
;
1407 /* The semantic value stack. */
1408 YYSTYPE yyvsa
[YYINITDEPTH
];
1409 YYSTYPE
*yyvs
= yyvsa
;
1412 /* The location stack. */
1413 YYLTYPE yylsa
[YYINITDEPTH
];
1414 YYLTYPE
*yyls
= yylsa
;
1416 /* The locations where the error started and ended. */
1417 YYLTYPE yyerror_range
[2];
1419 #define YYPOPSTACK (yyvsp--, yyssp--, yylsp--)
1421 YYSIZE_T yystacksize
= YYINITDEPTH
;
1423 /* The variables used to return semantic value and location from the
1428 /* When reducing, the number of symbols on the RHS of the reduced
1432 YYDPRINTF ((stderr
, "Starting parse\n"));
1437 yychar
= YYEMPTY
; /* Cause a token to be read. */
1439 /* Initialize stack pointers.
1440 Waste one element of value and location stack
1441 so that they stay on the same level as the state stack.
1442 The wasted elements are never initialized. */
1447 #if YYLTYPE_IS_TRIVIAL
1448 /* Initialize the default location before parsing starts. */
1449 yylloc
.first_line
= yylloc
.last_line
= 1;
1450 yylloc
.first_column
= yylloc
.last_column
= 0;
1454 /* User initialization code. */
1455 #line 72 "parse-gram.y"
1457 /* Bison's grammar can initial empty locations, hence a default
1458 location is needed. */
1459 yylloc
.start
.file
= yylloc
.end
.file
= current_file
;
1460 yylloc
.start
.line
= yylloc
.end
.line
= 1;
1461 yylloc
.start
.column
= yylloc
.end
.column
= 0;
1463 /* Line 1056 of yacc.c. */
1464 #line 1465 "parse-gram.c"
1468 /*------------------------------------------------------------.
1469 | yynewstate -- Push a new state, which is found in yystate. |
1470 `------------------------------------------------------------*/
1472 /* In all cases, when you get here, the value and location stacks
1473 have just been pushed. so pushing a state here evens the stacks.
1480 if (yyss
+ yystacksize
- 1 <= yyssp
)
1482 /* Get the current used size of the three stacks, in elements. */
1483 YYSIZE_T yysize
= yyssp
- yyss
+ 1;
1487 /* Give user a chance to reallocate the stack. Use copies of
1488 these so that the &'s don't force the real ones into
1490 YYSTYPE
*yyvs1
= yyvs
;
1491 short int *yyss1
= yyss
;
1492 YYLTYPE
*yyls1
= yyls
;
1494 /* Each stack pointer address is followed by the size of the
1495 data in use in that stack, in bytes. This used to be a
1496 conditional around just the two extra args, but that might
1497 be undefined if yyoverflow is a macro. */
1498 yyoverflow (YY_("memory exhausted"),
1499 &yyss1
, yysize
* sizeof (*yyssp
),
1500 &yyvs1
, yysize
* sizeof (*yyvsp
),
1501 &yyls1
, yysize
* sizeof (*yylsp
),
1507 #else /* no yyoverflow */
1508 # ifndef YYSTACK_RELOCATE
1509 goto yyexhaustedlab
;
1511 /* Extend the stack our own way. */
1512 if (YYMAXDEPTH
<= yystacksize
)
1513 goto yyexhaustedlab
;
1515 if (YYMAXDEPTH
< yystacksize
)
1516 yystacksize
= YYMAXDEPTH
;
1519 short int *yyss1
= yyss
;
1520 union yyalloc
*yyptr
=
1521 (union yyalloc
*) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize
));
1523 goto yyexhaustedlab
;
1524 YYSTACK_RELOCATE (yyss
);
1525 YYSTACK_RELOCATE (yyvs
);
1526 YYSTACK_RELOCATE (yyls
);
1527 # undef YYSTACK_RELOCATE
1529 YYSTACK_FREE (yyss1
);
1532 #endif /* no yyoverflow */
1534 yyssp
= yyss
+ yysize
- 1;
1535 yyvsp
= yyvs
+ yysize
- 1;
1536 yylsp
= yyls
+ yysize
- 1;
1538 YYDPRINTF ((stderr
, "Stack size increased to %lu\n",
1539 (unsigned long int) yystacksize
));
1541 if (yyss
+ yystacksize
- 1 <= yyssp
)
1545 YYDPRINTF ((stderr
, "Entering state %d\n", yystate
));
1554 /* Do appropriate processing given the current state. */
1555 /* Read a look-ahead token if we need one and don't already have one. */
1558 /* First try to decide what to do without reference to look-ahead token. */
1560 yyn
= yypact
[yystate
];
1561 if (yyn
== YYPACT_NINF
)
1564 /* Not known => get a look-ahead token if don't already have one. */
1566 /* YYCHAR is either YYEMPTY or YYEOF or a valid look-ahead symbol. */
1567 if (yychar
== YYEMPTY
)
1569 YYDPRINTF ((stderr
, "Reading a token: "));
1573 if (yychar
<= YYEOF
)
1575 yychar
= yytoken
= YYEOF
;
1576 YYDPRINTF ((stderr
, "Now at end of input.\n"));
1580 yytoken
= YYTRANSLATE (yychar
);
1581 YY_SYMBOL_PRINT ("Next token is", yytoken
, &yylval
, &yylloc
);
1584 /* If the proper action on seeing token YYTOKEN is to reduce or to
1585 detect an error, take that action. */
1587 if (yyn
< 0 || YYLAST
< yyn
|| yycheck
[yyn
] != yytoken
)
1592 if (yyn
== 0 || yyn
== YYTABLE_NINF
)
1601 /* Shift the look-ahead token. */
1602 YY_SYMBOL_PRINT ("Shifting", yytoken
, &yylval
, &yylloc
);
1604 /* Discard the token being shifted unless it is eof. */
1605 if (yychar
!= YYEOF
)
1611 /* Count tokens shifted since error; after three, turn off error
1620 /*-----------------------------------------------------------.
1621 | yydefault -- do the default action for the current state. |
1622 `-----------------------------------------------------------*/
1624 yyn
= yydefact
[yystate
];
1630 /*-----------------------------.
1631 | yyreduce -- Do a reduction. |
1632 `-----------------------------*/
1634 /* yyn is the number of a rule to reduce with. */
1637 /* If YYLEN is nonzero, implement the default value of the action:
1640 Otherwise, the following line sets YYVAL to garbage.
1641 This behavior is undocumented and Bison
1642 users should not rely upon it. Assigning to YYVAL
1643 unconditionally makes the parser a bit smaller, and it avoids a
1644 GCC warning that YYVAL may be used uninitialized. */
1645 yyval
= yyvsp
[1-yylen
];
1647 /* Default location. */
1648 YYLLOC_DEFAULT (yyloc
, yylsp
- yylen
, yylen
);
1649 YY_REDUCE_PRINT (yyn
);
1653 #line 207 "parse-gram.y"
1654 { prologue_augment ((yyvsp
[0].chars
), (yylsp
[0])); }
1658 #line 208 "parse-gram.y"
1659 { debug_flag
= true; }
1663 #line 209 "parse-gram.y"
1664 { muscle_insert ((yyvsp
[0].chars
), "1"); }
1668 #line 210 "parse-gram.y"
1669 { muscle_insert ((yyvsp
[-1].chars
), (yyvsp
[0].chars
)); }
1673 #line 211 "parse-gram.y"
1674 { defines_flag
= true; }
1678 #line 212 "parse-gram.y"
1679 { error_verbose
= true; }
1683 #line 213 "parse-gram.y"
1684 { expected_sr_conflicts
= (yyvsp
[0].integer
); }
1688 #line 214 "parse-gram.y"
1689 { expected_rr_conflicts
= (yyvsp
[0].integer
); }
1693 #line 215 "parse-gram.y"
1694 { spec_file_prefix
= (yyvsp
[0].chars
); }
1698 #line 217 "parse-gram.y"
1700 nondeterministic_parser
= true;
1706 #line 222 "parse-gram.y"
1708 muscle_code_grow ("initial_action", (yyvsp
[0].chars
), (yylsp
[0]));
1713 #line 225 "parse-gram.y"
1714 { add_param ("lex_param", (yyvsp
[0].chars
), (yylsp
[0])); }
1718 #line 226 "parse-gram.y"
1719 { locations_flag
= true; }
1723 #line 227 "parse-gram.y"
1724 { spec_name_prefix
= (yyvsp
[0].chars
); }
1728 #line 228 "parse-gram.y"
1729 { no_lines_flag
= true; }
1733 #line 229 "parse-gram.y"
1734 { nondeterministic_parser
= true; }
1738 #line 230 "parse-gram.y"
1739 { spec_outfile
= (yyvsp
[0].chars
); }
1743 #line 231 "parse-gram.y"
1744 { add_param ("parse_param", (yyvsp
[0].chars
), (yylsp
[0])); }
1748 #line 232 "parse-gram.y"
1749 { pure_parser
= true; }
1753 #line 233 "parse-gram.y"
1754 { version_check (&(yylsp
[0]), (yyvsp
[0].chars
)); }
1758 #line 234 "parse-gram.y"
1759 { skeleton
= (yyvsp
[0].chars
); }
1763 #line 235 "parse-gram.y"
1764 { token_table_flag
= true; }
1768 #line 236 "parse-gram.y"
1769 { report_flag
= report_states
; }
1773 #line 237 "parse-gram.y"
1774 { yacc_flag
= true; }
1778 #line 245 "parse-gram.y"
1780 grammar_start_symbol_set ((yyvsp
[0].symbol
), (yylsp
[0]));
1785 #line 249 "parse-gram.y"
1788 MUSCLE_INSERT_INT ("stype_line", (yylsp
[0]).start
.line
);
1789 muscle_insert ("stype", (yyvsp
[0].chars
));
1794 #line 255 "parse-gram.y"
1797 for (list
= (yyvsp
[0].list
); list
; list
= list
->next
)
1798 symbol_destructor_set (list
->sym
, (yyvsp
[-1].chars
), (yylsp
[-1]));
1799 symbol_list_free ((yyvsp
[0].list
));
1804 #line 262 "parse-gram.y"
1807 for (list
= (yyvsp
[0].list
); list
; list
= list
->next
)
1808 symbol_printer_set (list
->sym
, (yyvsp
[-1].chars
), list
->location
);
1809 symbol_list_free ((yyvsp
[0].list
));
1814 #line 269 "parse-gram.y"
1816 default_prec
= true;
1821 #line 273 "parse-gram.y"
1823 default_prec
= false;
1828 #line 279 "parse-gram.y"
1829 { current_class
= nterm_sym
; }
1833 #line 280 "parse-gram.y"
1835 current_class
= unknown_sym
;
1836 current_type
= NULL
;
1841 #line 284 "parse-gram.y"
1842 { current_class
= token_sym
; }
1846 #line 285 "parse-gram.y"
1848 current_class
= unknown_sym
;
1849 current_type
= NULL
;
1854 #line 290 "parse-gram.y"
1857 for (list
= (yyvsp
[0].list
); list
; list
= list
->next
)
1858 symbol_type_set (list
->sym
, (yyvsp
[-1].uniqstr
), (yylsp
[-1]));
1859 symbol_list_free ((yyvsp
[0].list
));
1864 #line 300 "parse-gram.y"
1868 for (list
= (yyvsp
[0].list
); list
; list
= list
->next
)
1870 symbol_type_set (list
->sym
, current_type
, (yylsp
[-1]));
1871 symbol_precedence_set (list
->sym
, current_prec
, (yyvsp
[-2].assoc
), (yylsp
[-2]));
1873 symbol_list_free ((yyvsp
[0].list
));
1874 current_type
= NULL
;
1879 #line 314 "parse-gram.y"
1880 { (yyval
.assoc
) = left_assoc
; }
1884 #line 315 "parse-gram.y"
1885 { (yyval
.assoc
) = right_assoc
; }
1889 #line 316 "parse-gram.y"
1890 { (yyval
.assoc
) = non_assoc
; }
1894 #line 320 "parse-gram.y"
1895 { current_type
= NULL
; }
1899 #line 321 "parse-gram.y"
1900 { current_type
= (yyvsp
[0].uniqstr
); }
1904 #line 327 "parse-gram.y"
1905 { (yyval
.list
) = symbol_list_new ((yyvsp
[0].symbol
), (yylsp
[0])); }
1909 #line 328 "parse-gram.y"
1910 { (yyval
.list
) = symbol_list_prepend ((yyvsp
[-1].list
), (yyvsp
[0].symbol
), (yylsp
[0])); }
1914 #line 334 "parse-gram.y"
1916 current_type
= (yyvsp
[0].uniqstr
);
1921 #line 338 "parse-gram.y"
1923 symbol_class_set ((yyvsp
[0].symbol
), current_class
, (yylsp
[0]));
1924 symbol_type_set ((yyvsp
[0].symbol
), current_type
, (yylsp
[0]));
1929 #line 343 "parse-gram.y"
1931 symbol_class_set ((yyvsp
[-1].symbol
), current_class
, (yylsp
[-1]));
1932 symbol_type_set ((yyvsp
[-1].symbol
), current_type
, (yylsp
[-1]));
1933 symbol_user_token_number_set ((yyvsp
[-1].symbol
), (yyvsp
[0].integer
), (yylsp
[0]));
1938 #line 349 "parse-gram.y"
1940 symbol_class_set ((yyvsp
[-1].symbol
), current_class
, (yylsp
[-1]));
1941 symbol_type_set ((yyvsp
[-1].symbol
), current_type
, (yylsp
[-1]));
1942 symbol_make_alias ((yyvsp
[-1].symbol
), (yyvsp
[0].symbol
), (yyloc
));
1947 #line 355 "parse-gram.y"
1949 symbol_class_set ((yyvsp
[-2].symbol
), current_class
, (yylsp
[-2]));
1950 symbol_type_set ((yyvsp
[-2].symbol
), current_type
, (yylsp
[-2]));
1951 symbol_user_token_number_set ((yyvsp
[-2].symbol
), (yyvsp
[-1].integer
), (yylsp
[-1]));
1952 symbol_make_alias ((yyvsp
[-2].symbol
), (yyvsp
[0].symbol
), (yyloc
));
1957 #line 384 "parse-gram.y"
1960 complain_at ((yyloc
), _("POSIX forbids declarations in the grammar"));
1965 #line 389 "parse-gram.y"
1972 #line 395 "parse-gram.y"
1973 { current_lhs
= (yyvsp
[0].symbol
); current_lhs_location
= (yylsp
[0]); }
1977 #line 399 "parse-gram.y"
1978 { grammar_rule_end ((yylsp
[0])); }
1982 #line 400 "parse-gram.y"
1983 { grammar_rule_end ((yylsp
[0])); }
1987 #line 406 "parse-gram.y"
1988 { grammar_rule_begin (current_lhs
, current_lhs_location
); }
1992 #line 408 "parse-gram.y"
1993 { grammar_current_rule_symbol_append ((yyvsp
[0].symbol
), (yylsp
[0])); }
1997 #line 410 "parse-gram.y"
1998 { grammar_current_rule_action_append ((yyvsp
[0].chars
), (yylsp
[0])); }
2002 #line 412 "parse-gram.y"
2003 { grammar_current_rule_prec_set ((yyvsp
[0].symbol
), (yylsp
[0])); }
2007 #line 414 "parse-gram.y"
2008 { grammar_current_rule_dprec_set ((yyvsp
[0].integer
), (yylsp
[0])); }
2012 #line 416 "parse-gram.y"
2013 { grammar_current_rule_merge_set ((yyvsp
[0].uniqstr
), (yylsp
[0])); }
2017 #line 420 "parse-gram.y"
2018 { (yyval
.symbol
) = (yyvsp
[0].symbol
); }
2022 #line 421 "parse-gram.y"
2023 { (yyval
.symbol
) = (yyvsp
[0].symbol
); }
2027 #line 426 "parse-gram.y"
2028 { (yyval
.chars
) = (yyvsp
[0].chars
); }
2032 #line 432 "parse-gram.y"
2034 (yyval
.symbol
) = symbol_get (quotearg_style (c_quoting_style
, (yyvsp
[0].chars
)), (yylsp
[0]));
2035 symbol_class_set ((yyval
.symbol
), token_sym
, (yylsp
[0]));
2040 #line 441 "parse-gram.y"
2041 { (yyval
.chars
) = (yyvsp
[0].chars
); }
2045 #line 448 "parse-gram.y"
2047 muscle_code_grow ("epilogue", (yyvsp
[0].chars
), (yylsp
[0]));
2048 scanner_last_string_free ();
2056 /* Line 1252 of yacc.c. */
2057 #line 2058 "parse-gram.c"
2063 YY_STACK_PRINT (yyss
, yyssp
);
2068 /* Now `shift' the result of the reduction. Determine what state
2069 that goes to, based on the state we popped back to and the rule
2070 number reduced by. */
2074 yystate
= yypgoto
[yyn
- YYNTOKENS
] + *yyssp
;
2075 if (0 <= yystate
&& yystate
<= YYLAST
&& yycheck
[yystate
] == *yyssp
)
2076 yystate
= yytable
[yystate
];
2078 yystate
= yydefgoto
[yyn
- YYNTOKENS
];
2083 /*------------------------------------.
2084 | yyerrlab -- here on detecting error |
2085 `------------------------------------*/
2087 /* If not already recovering from an error, report this error. */
2091 #if ! YYERROR_VERBOSE
2092 yyerror (YY_("syntax error"));
2095 YYSIZE_T yysize
= yysyntax_error (0, yystate
, yychar
);
2096 if (yymsg_alloc
< yysize
&& yymsg_alloc
< YYSTACK_ALLOC_MAXIMUM
)
2098 YYSIZE_T yyalloc
= 2 * yysize
;
2099 if (! (yysize
<= yyalloc
&& yyalloc
<= YYSTACK_ALLOC_MAXIMUM
))
2100 yyalloc
= YYSTACK_ALLOC_MAXIMUM
;
2101 if (yymsg
!= yymsgbuf
)
2102 YYSTACK_FREE (yymsg
);
2103 yymsg
= (char *) YYSTACK_ALLOC (yyalloc
);
2105 yymsg_alloc
= yyalloc
;
2109 yymsg_alloc
= sizeof yymsgbuf
;
2113 if (0 < yysize
&& yysize
<= yymsg_alloc
)
2115 (void) yysyntax_error (yymsg
, yystate
, yychar
);
2120 yyerror (YY_("syntax error"));
2122 goto yyexhaustedlab
;
2128 yyerror_range
[0] = yylloc
;
2130 if (yyerrstatus
== 3)
2132 /* If just tried and failed to reuse look-ahead token after an
2133 error, discard it. */
2135 if (yychar
<= YYEOF
)
2137 /* Return failure if at end of input. */
2138 if (yychar
== YYEOF
)
2143 yydestruct ("Error: discarding", yytoken
, &yylval
, &yylloc
);
2148 /* Else will try to reuse look-ahead token after shifting the error
2153 /*---------------------------------------------------.
2154 | yyerrorlab -- error raised explicitly by YYERROR. |
2155 `---------------------------------------------------*/
2158 /* Pacify compilers like GCC when the user code never invokes
2159 YYERROR and the label yyerrorlab therefore never appears in user
2161 if (/*CONSTCOND*/ 0)
2164 yyerror_range
[0] = yylsp
[1-yylen
];
2172 /*-------------------------------------------------------------.
2173 | yyerrlab1 -- common code for both syntax error and YYERROR. |
2174 `-------------------------------------------------------------*/
2176 yyerrstatus
= 3; /* Each real token shifted decrements this. */
2180 yyn
= yypact
[yystate
];
2181 if (yyn
!= YYPACT_NINF
)
2184 if (0 <= yyn
&& yyn
<= YYLAST
&& yycheck
[yyn
] == YYTERROR
)
2192 /* Pop the current state because it cannot handle the error token. */
2196 yyerror_range
[0] = *yylsp
;
2197 yydestruct ("Error: popping", yystos
[yystate
], yyvsp
, yylsp
);
2200 YY_STACK_PRINT (yyss
, yyssp
);
2208 yyerror_range
[1] = yylloc
;
2209 /* Using YYLLOC is tempting, but would change the location of
2210 the look-ahead. YYLOC is available though. */
2211 YYLLOC_DEFAULT (yyloc
, yyerror_range
- 1, 2);
2214 /* Shift the error token. */
2215 YY_SYMBOL_PRINT ("Shifting", yystos
[yyn
], yyvsp
, yylsp
);
2221 /*-------------------------------------.
2222 | yyacceptlab -- YYACCEPT comes here. |
2223 `-------------------------------------*/
2228 /*-----------------------------------.
2229 | yyabortlab -- YYABORT comes here. |
2230 `-----------------------------------*/
2236 /*-------------------------------------------------.
2237 | yyexhaustedlab -- memory exhaustion comes here. |
2238 `-------------------------------------------------*/
2240 yyerror (YY_("memory exhausted"));
2246 if (yychar
!= YYEOF
&& yychar
!= YYEMPTY
)
2247 yydestruct ("Cleanup: discarding lookahead",
2248 yytoken
, &yylval
, &yylloc
);
2249 while (yyssp
!= yyss
)
2251 yydestruct ("Cleanup: popping",
2252 yystos
[*yyssp
], yyvsp
, yylsp
);
2257 YYSTACK_FREE (yyss
);
2260 if (yymsg
!= yymsgbuf
)
2261 YYSTACK_FREE (yymsg
);
2267 #line 454 "parse-gram.y"
2271 /* Return the location of the left-hand side of a rule whose
2272 right-hand side is RHS[1] ... RHS[N]. Ignore empty nonterminals in
2273 the right-hand side, and return an empty location equal to the end
2274 boundary of RHS[0] if the right-hand side is empty. */
2277 lloc_default (YYLTYPE
const *rhs
, int n
)
2282 /* SGI MIPSpro 7.4.1m miscompiles "loc.start = loc.end = rhs[n].end;".
2283 The bug is fixed in 7.4.2m, but play it safe for now. */
2284 loc
.start
= rhs
[n
].end
;
2285 loc
.end
= rhs
[n
].end
;
2287 /* Ignore empty nonterminals the start of the the right-hand side.
2288 Do not bother to ignore them at the end of the right-hand side,
2289 since empty nonterminals have the same end as their predecessors. */
2290 for (i
= 1; i
<= n
; i
++)
2291 if (! equal_boundaries (rhs
[i
].start
, rhs
[i
].end
))
2293 loc
.start
= rhs
[i
].start
;
2301 /* Add a lex-param or a parse-param (depending on TYPE) with
2302 declaration DECL and location LOC. */
2305 add_param (char const *type
, char *decl
, location loc
)
2307 static char const alphanum
[26 + 26 + 1 + 10] =
2308 "abcdefghijklmnopqrstuvwxyz"
2309 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
2312 char const *name_start
= NULL
;
2315 /* Stop on last actual character. */
2316 for (p
= decl
; p
[1]; p
++)
2318 || ! memchr (alphanum
, p
[-1], sizeof alphanum
))
2319 && memchr (alphanum
, p
[0], sizeof alphanum
- 10))
2322 /* Strip the surrounding '{' and '}', and any blanks just inside
2324 while (*--p
== ' ' || *p
== '\t')
2327 while (*++decl
== ' ' || *decl
== '\t')
2331 complain_at (loc
, _("missing identifier in parameter declaration"));
2338 memchr (alphanum
, name_start
[name_len
], sizeof alphanum
);
2342 name
= xmalloc (name_len
+ 1);
2343 memcpy (name
, name_start
, name_len
);
2344 name
[name_len
] = '\0';
2345 muscle_pair_list_grow (type
, decl
, name
);
2349 scanner_last_string_free ();
2353 version_check (location
const *loc
, char const *version
)
2355 if (strverscmp (version
, PACKAGE_VERSION
) > 0)
2356 complain_at (*loc
, "require bison %s, but have %s",
2357 version
, PACKAGE_VERSION
);
2361 gram_error (location
const *loc
, char const *msg
)
2363 complain_at (*loc
, "%s", msg
);
2367 token_name (int type
)
2369 return yytname
[YYTRANSLATE (type
)];