1 /* A Bison parser, made by GNU Bison 2.1. */
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 "2.1"
43 #define YYSKELETON_NAME "yacc.c"
48 /* Using locations. */
49 #define YYLSP_NEEDED 1
51 /* Substitute the variable and function names. */
52 #define yyparse gram_parse
53 #define yylex gram_lex
54 #define yyerror gram_error
55 #define yylval gram_lval
56 #define yychar gram_char
57 #define yydebug gram_debug
58 #define yynerrs gram_nerrs
59 #define yylloc gram_lloc
64 /* Put the tokens into the symbol table, so that GDB and other debuggers
73 PERCENT_DESTRUCTOR
= 263,
74 PERCENT_PRINTER
= 264,
78 PERCENT_NONASSOC
= 268,
83 PERCENT_DEFAULT_PREC
= 273,
85 PERCENT_DEFINES
= 275,
86 PERCENT_ERROR_VERBOSE
= 276,
88 PERCENT_EXPECT_RR
= 278,
89 PERCENT_FILE_PREFIX
= 279,
90 PERCENT_GLR_PARSER
= 280,
91 PERCENT_INITIAL_ACTION
= 281,
92 PERCENT_LEX_PARAM
= 282,
93 PERCENT_LOCATIONS
= 283,
94 PERCENT_NAME_PREFIX
= 284,
95 PERCENT_NO_DEFAULT_PREC
= 285,
96 PERCENT_NO_LINES
= 286,
97 PERCENT_NONDETERMINISTIC_PARSER
= 287,
99 PERCENT_PARSE_PARAM
= 289,
100 PERCENT_PURE_PARSER
= 290,
101 PERCENT_SKELETON
= 291,
103 PERCENT_TOKEN_TABLE
= 293,
104 PERCENT_VERBOSE
= 294,
112 PERCENT_PERCENT
= 302,
122 #define PERCENT_TOKEN 260
123 #define PERCENT_NTERM 261
124 #define PERCENT_TYPE 262
125 #define PERCENT_DESTRUCTOR 263
126 #define PERCENT_PRINTER 264
127 #define PERCENT_UNION 265
128 #define PERCENT_LEFT 266
129 #define PERCENT_RIGHT 267
130 #define PERCENT_NONASSOC 268
131 #define PERCENT_PREC 269
132 #define PERCENT_DPREC 270
133 #define PERCENT_MERGE 271
134 #define PERCENT_DEBUG 272
135 #define PERCENT_DEFAULT_PREC 273
136 #define PERCENT_DEFINE 274
137 #define PERCENT_DEFINES 275
138 #define PERCENT_ERROR_VERBOSE 276
139 #define PERCENT_EXPECT 277
140 #define PERCENT_EXPECT_RR 278
141 #define PERCENT_FILE_PREFIX 279
142 #define PERCENT_GLR_PARSER 280
143 #define PERCENT_INITIAL_ACTION 281
144 #define PERCENT_LEX_PARAM 282
145 #define PERCENT_LOCATIONS 283
146 #define PERCENT_NAME_PREFIX 284
147 #define PERCENT_NO_DEFAULT_PREC 285
148 #define PERCENT_NO_LINES 286
149 #define PERCENT_NONDETERMINISTIC_PARSER 287
150 #define PERCENT_OUTPUT 288
151 #define PERCENT_PARSE_PARAM 289
152 #define PERCENT_PURE_PARSER 290
153 #define PERCENT_SKELETON 291
154 #define PERCENT_START 292
155 #define PERCENT_TOKEN_TABLE 293
156 #define PERCENT_VERBOSE 294
157 #define PERCENT_YACC 295
160 #define SEMICOLON 298
164 #define PERCENT_PERCENT 302
167 #define BRACED_CODE 305
172 /* Copy the first part of user declarations. */
173 #line 1 "parse-gram.y"
174 /* Bison Grammar Parser -*- C -*-
176 Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
178 This file is part of Bison, the GNU Compiler Compiler.
180 This program is free software; you can redistribute it and/or modify
181 it under the terms of the GNU General Public License as published by
182 the Free Software Foundation; either version 2 of the License, or
183 (at your option) any later version.
185 This program is distributed in the hope that it will be useful,
186 but WITHOUT ANY WARRANTY; without even the implied warranty of
187 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
188 GNU General Public License for more details.
190 You should have received a copy of the GNU General Public License
191 along with this program; if not, write to the Free Software
192 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
198 #include "complain.h"
199 #include "conflicts.h"
203 #include "muscle_tab.h"
205 #include "quotearg.h"
209 #define YYLLOC_DEFAULT(Current, Rhs, N) (Current) = lloc_default (Rhs, N)
210 static YYLTYPE
lloc_default (YYLTYPE
const *, int);
212 #define YY_LOCATION_PRINT(File, Loc) \
213 location_print (File, Loc)
215 /* Request detailed syntax error messages, and pass them to GRAM_ERROR.
216 FIXME: depends on the undocumented availability of YYLLOC. */
218 #define yyerror(Msg) \
219 gram_error (&yylloc, Msg)
220 static void gram_error (location
const *, char const *);
222 static void add_param (char const *, char *, location
);
224 static symbol_class current_class
= unknown_sym
;
225 static uniqstr current_type
= 0;
227 location current_lhs_location
;
229 static int current_prec
= 0;
232 /* Enabling traces. */
237 /* Enabling verbose error messages. */
238 #ifdef YYERROR_VERBOSE
239 # undef YYERROR_VERBOSE
240 # define YYERROR_VERBOSE 1
242 # define YYERROR_VERBOSE 1
245 /* Enabling the token table. */
246 #ifndef YYTOKEN_TABLE
247 # define YYTOKEN_TABLE 0
250 #if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)
251 #line 79 "parse-gram.y"
252 typedef union YYSTYPE
{
260 /* Line 196 of yacc.c. */
261 #line 262 "parse-gram.c"
262 # define yystype YYSTYPE /* obsolescent; will be withdrawn */
263 # define YYSTYPE_IS_DECLARED 1
264 # define YYSTYPE_IS_TRIVIAL 1
267 #if ! defined (YYLTYPE) && ! defined (YYLTYPE_IS_DECLARED)
268 typedef struct YYLTYPE
275 # define yyltype YYLTYPE /* obsolescent; will be withdrawn */
276 # define YYLTYPE_IS_DECLARED 1
277 # define YYLTYPE_IS_TRIVIAL 1
281 /* Copy the second part of user declarations. */
284 /* Line 219 of yacc.c. */
285 #line 286 "parse-gram.c"
287 #if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__)
288 # define YYSIZE_T __SIZE_TYPE__
290 #if ! defined (YYSIZE_T) && defined (size_t)
291 # define YYSIZE_T size_t
293 #if ! defined (YYSIZE_T) && (defined (__STDC__) || defined (__cplusplus))
294 # include <stddef.h> /* INFRINGES ON USER NAME SPACE */
295 # define YYSIZE_T size_t
297 #if ! defined (YYSIZE_T)
298 # define YYSIZE_T unsigned int
304 # include <libintl.h> /* INFRINGES ON USER NAME SPACE */
305 # define YY_(msgid) dgettext ("bison-runtime", msgid)
309 # define YY_(msgid) msgid
313 #if ! defined (yyoverflow) || YYERROR_VERBOSE
315 /* The parser invokes alloca or malloc; define the necessary symbols. */
317 # ifdef YYSTACK_USE_ALLOCA
318 # if YYSTACK_USE_ALLOCA
320 # define YYSTACK_ALLOC __builtin_alloca
322 # define YYSTACK_ALLOC alloca
323 # if defined (__STDC__) || defined (__cplusplus)
324 # include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
325 # define YYINCLUDED_STDLIB_H
331 # ifdef YYSTACK_ALLOC
332 /* Pacify GCC's `empty if-body' warning. */
333 # define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
334 # ifndef YYSTACK_ALLOC_MAXIMUM
335 /* The OS might guarantee only one guard page at the bottom of the stack,
336 and a page size can be as small as 4096 bytes. So we cannot safely
337 invoke alloca (N) if N exceeds 4096. Use a slightly smaller number
338 to allow for a few compiler-allocated temporary stack slots. */
339 # define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2005 */
342 # define YYSTACK_ALLOC YYMALLOC
343 # define YYSTACK_FREE YYFREE
344 # ifndef YYSTACK_ALLOC_MAXIMUM
345 # define YYSTACK_ALLOC_MAXIMUM ((YYSIZE_T) -1)
351 # define YYMALLOC malloc
352 # if (! defined (malloc) && ! defined (YYINCLUDED_STDLIB_H) \
353 && (defined (__STDC__) || defined (__cplusplus)))
354 void *malloc (YYSIZE_T
); /* INFRINGES ON USER NAME SPACE */
359 # if (! defined (free) && ! defined (YYINCLUDED_STDLIB_H) \
360 && (defined (__STDC__) || defined (__cplusplus)))
361 void free (void *); /* INFRINGES ON USER NAME SPACE */
368 #endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */
371 #if (! defined (yyoverflow) \
372 && (! defined (__cplusplus) \
373 || (defined (YYLTYPE_IS_TRIVIAL) && YYLTYPE_IS_TRIVIAL \
374 && defined (YYSTYPE_IS_TRIVIAL) && YYSTYPE_IS_TRIVIAL)))
376 /* A type that is properly aligned for any stack member. */
384 /* The size of the maximum gap between one aligned stack and the next. */
385 # define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)
387 /* The size of an array large to enough to hold all stacks, each with
389 # define YYSTACK_BYTES(N) \
390 ((N) * (sizeof (short int) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \
391 + 2 * YYSTACK_GAP_MAXIMUM)
393 /* Copy COUNT objects from FROM to TO. The source and destination do
396 # if defined (__GNUC__) && 1 < __GNUC__
397 # define YYCOPY(To, From, Count) \
398 __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
400 # define YYCOPY(To, From, Count) \
404 for (yyi = 0; yyi < (Count); yyi++) \
405 (To)[yyi] = (From)[yyi]; \
411 /* Relocate STACK from its old location to the new one. The
412 local variables YYSIZE and YYSTACKSIZE give the old and new number of
413 elements in the stack, and YYPTR gives the new location of the
414 stack. Advance YYPTR to a properly aligned location for the next
416 # define YYSTACK_RELOCATE(Stack) \
419 YYSIZE_T yynewbytes; \
420 YYCOPY (&yyptr->Stack, Stack, yysize); \
421 Stack = &yyptr->Stack; \
422 yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
423 yyptr += yynewbytes / sizeof (*yyptr); \
429 #if defined (__STDC__) || defined (__cplusplus)
430 typedef signed char yysigned_char
;
432 typedef short int yysigned_char
;
435 /* YYFINAL -- State number of the termination state. */
437 /* YYLAST -- Last index in YYTABLE. */
440 /* YYNTOKENS -- Number of terminals. */
442 /* YYNNTS -- Number of nonterminals. */
444 /* YYNRULES -- Number of rules. */
446 /* YYNRULES -- Number of states. */
447 #define YYNSTATES 108
449 /* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */
451 #define YYMAXUTOK 305
453 #define YYTRANSLATE(YYX) \
454 ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
456 /* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */
457 static const unsigned char yytranslate
[] =
459 0, 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, 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, 1, 2, 3, 4,
485 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
486 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
487 25, 26, 27, 28, 29, 30, 31, 32, 33, 34,
488 35, 36, 37, 38, 39, 40, 41, 42, 43, 44,
489 45, 46, 47, 48, 49, 50
493 /* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
495 static const unsigned char yyprhs
[] =
497 0, 0, 3, 8, 9, 12, 14, 16, 18, 22,
498 24, 26, 29, 32, 36, 38, 40, 42, 44, 48,
499 50, 52, 56, 58, 60, 63, 65, 67, 69, 71,
500 73, 75, 78, 80, 83, 86, 88, 90, 91, 95,
501 96, 100, 104, 108, 110, 112, 114, 115, 117, 119,
502 122, 124, 126, 129, 132, 136, 138, 141, 143, 146,
503 148, 151, 154, 155, 159, 161, 165, 168, 169, 172,
504 175, 179, 183, 187, 189, 191, 193, 195, 197, 198
507 /* YYRHS -- A `-1'-separated list of the rules' RHS. */
508 static const yysigned_char yyrhs
[] =
510 52, 0, -1, 53, 47, 65, 75, -1, -1, 53,
511 54, -1, 55, -1, 48, -1, 17, -1, 19, 74,
512 74, -1, 20, -1, 21, -1, 22, 4, -1, 23,
513 4, -1, 24, 42, 74, -1, 25, -1, 26, -1,
514 27, -1, 28, -1, 29, 42, 74, -1, 31, -1,
515 32, -1, 33, 42, 74, -1, 34, -1, 35, -1,
516 36, 74, -1, 38, -1, 39, -1, 40, -1, 43,
517 -1, 59, -1, 56, -1, 37, 71, -1, 10, -1,
518 8, 62, -1, 9, 62, -1, 18, -1, 30, -1,
519 -1, 6, 57, 64, -1, -1, 5, 58, 64, -1,
520 7, 41, 62, -1, 60, 61, 62, -1, 11, -1,
521 12, -1, 13, -1, -1, 41, -1, 71, -1, 62,
522 71, -1, 41, -1, 45, -1, 45, 4, -1, 45,
523 73, -1, 45, 4, 73, -1, 63, -1, 64, 63,
524 -1, 66, -1, 65, 66, -1, 67, -1, 55, 43,
525 -1, 1, 43, -1, -1, 46, 68, 69, -1, 70,
526 -1, 69, 44, 70, -1, 69, 43, -1, -1, 70,
527 71, -1, 70, 72, -1, 70, 14, 71, -1, 70,
528 15, 4, -1, 70, 16, 41, -1, 45, -1, 73,
529 -1, 50, -1, 3, -1, 3, -1, -1, 47, 49,
533 /* YYRLINE[YYN] -- source line where rule number YYN was defined. */
534 static const unsigned short int yyrline
[] =
536 0, 188, 188, 196, 198, 202, 203, 204, 205, 206,
537 207, 208, 209, 210, 211, 216, 220, 221, 222, 223,
538 224, 225, 226, 227, 228, 229, 230, 231, 232, 236,
539 237, 238, 242, 248, 255, 262, 266, 273, 273, 278,
540 278, 283, 293, 308, 309, 310, 314, 315, 321, 322,
541 327, 331, 336, 342, 348, 359, 360, 369, 370, 376,
542 377, 382, 389, 389, 393, 394, 395, 400, 401, 403,
543 405, 407, 409, 414, 415, 419, 425, 434, 439, 441
547 #if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE
548 /* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
549 First, the terminals, then, starting at YYNTOKENS, nonterminals. */
550 static const char *const yytname
[] =
552 "\"end of file\"", "error", "$undefined", "\"string\"", "\"integer\"",
553 "\"%token\"", "\"%nterm\"", "\"%type\"", "\"%destructor {...}\"",
554 "\"%printer {...}\"", "\"%union {...}\"", "\"%left\"", "\"%right\"",
555 "\"%nonassoc\"", "\"%prec\"", "\"%dprec\"", "\"%merge\"", "\"%debug\"",
556 "\"%default-prec\"", "\"%define\"", "\"%defines\"", "\"%error-verbose\"",
557 "\"%expect\"", "\"%expect-rr\"", "\"%file-prefix\"", "\"%glr-parser\"",
558 "\"%initial-action {...}\"", "\"%lex-param {...}\"", "\"%locations\"",
559 "\"%name-prefix\"", "\"%no-default-prec\"", "\"%no-lines\"",
560 "\"%nondeterministic-parser\"", "\"%output\"", "\"%parse-param {...}\"",
561 "\"%pure-parser\"", "\"%skeleton\"", "\"%start\"", "\"%token-table\"",
562 "\"%verbose\"", "\"%yacc\"", "\"type\"", "\"=\"", "\";\"", "\"|\"",
563 "\"identifier\"", "\"identifier:\"", "\"%%\"", "\"%{...%}\"",
564 "\"epilogue\"", "\"{...}\"", "$accept", "input", "declarations",
565 "declaration", "grammar_declaration", "symbol_declaration", "@1", "@2",
566 "precedence_declaration", "precedence_declarator", "type.opt",
567 "symbols.1", "symbol_def", "symbol_defs.1", "grammar",
568 "rules_or_grammar_declaration", "rules", "@3", "rhses.1", "rhs",
569 "symbol", "action", "string_as_id", "string_content", "epilogue.opt", 0
574 /* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
576 static const unsigned short int yytoknum
[] =
578 0, 256, 257, 258, 259, 260, 261, 262, 263, 264,
579 265, 266, 267, 268, 269, 270, 271, 272, 273, 274,
580 275, 276, 277, 278, 279, 280, 281, 282, 283, 284,
581 285, 286, 287, 288, 289, 290, 291, 292, 293, 294,
582 295, 296, 297, 298, 299, 300, 301, 302, 303, 304,
587 /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
588 static const unsigned char yyr1
[] =
590 0, 51, 52, 53, 53, 54, 54, 54, 54, 54,
591 54, 54, 54, 54, 54, 54, 54, 54, 54, 54,
592 54, 54, 54, 54, 54, 54, 54, 54, 54, 55,
593 55, 55, 55, 55, 55, 55, 55, 57, 56, 58,
594 56, 56, 59, 60, 60, 60, 61, 61, 62, 62,
595 63, 63, 63, 63, 63, 64, 64, 65, 65, 66,
596 66, 66, 68, 67, 69, 69, 69, 70, 70, 70,
597 70, 70, 70, 71, 71, 72, 73, 74, 75, 75
600 /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
601 static const unsigned char yyr2
[] =
603 0, 2, 4, 0, 2, 1, 1, 1, 3, 1,
604 1, 2, 2, 3, 1, 1, 1, 1, 3, 1,
605 1, 3, 1, 1, 2, 1, 1, 1, 1, 1,
606 1, 2, 1, 2, 2, 1, 1, 0, 3, 0,
607 3, 3, 3, 1, 1, 1, 0, 1, 1, 2,
608 1, 1, 2, 2, 3, 1, 2, 1, 2, 1,
609 2, 2, 0, 3, 1, 3, 2, 0, 2, 2,
610 3, 3, 3, 1, 1, 1, 1, 1, 0, 2
613 /* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
614 STATE-NUM when YYTABLE doesn't specify something else to do. Zero
615 means the default is an error. */
616 static const unsigned char yydefact
[] =
618 3, 0, 0, 1, 39, 37, 0, 0, 0, 32,
619 43, 44, 45, 7, 35, 0, 9, 10, 0, 0,
620 0, 14, 15, 16, 17, 0, 36, 19, 20, 0,
621 22, 23, 0, 0, 25, 26, 27, 28, 0, 6,
622 4, 5, 30, 29, 46, 0, 0, 0, 76, 73,
623 33, 48, 74, 34, 77, 0, 11, 12, 0, 0,
624 0, 24, 31, 0, 62, 0, 0, 57, 59, 47,
625 0, 50, 51, 55, 40, 38, 41, 49, 8, 13,
626 18, 21, 61, 67, 60, 0, 58, 2, 42, 52,
627 53, 56, 63, 64, 79, 54, 66, 67, 0, 0,
628 0, 75, 68, 69, 65, 70, 71, 72
631 /* YYDEFGOTO[NTERM-NUM]. */
632 static const yysigned_char yydefgoto
[] =
634 -1, 1, 2, 40, 65, 42, 46, 45, 43, 44,
635 70, 50, 73, 74, 66, 67, 68, 83, 92, 93,
639 /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
641 #define YYPACT_NINF -67
642 static const yysigned_char yypact
[] =
644 -67, 5, 110, -67, -67, -67, -34, 0, 0, -67,
645 -67, -67, -67, -67, -67, 13, -67, -67, 20, 31,
646 -17, -67, -67, -67, -67, -6, -67, -67, -67, -5,
647 -67, -67, 13, 0, -67, -67, -67, -67, 68, -67,
648 -67, -67, -67, -67, -3, -37, -37, 0, -67, -67,
649 0, -67, -67, 0, -67, 13, -67, -67, 13, 13,
650 13, -67, -67, -2, -67, 3, 21, -67, -67, -67,
651 0, -67, 6, -67, -37, -37, 0, -67, -67, -67,
652 -67, -67, -67, -67, -67, 1, -67, -67, 0, 39,
653 -67, -67, -32, -1, -67, -67, -67, -67, 0, 43,
654 7, -67, -67, -67, -1, -67, -67, -67
657 /* YYPGOTO[NTERM-NUM]. */
658 static const yysigned_char yypgoto
[] =
660 -67, -67, -67, -67, 50, -67, -67, -67, -67, -67,
661 -67, -7, -56, 8, -67, -13, -67, -67, -67, -41,
662 -33, -67, -66, 29, -67
665 /* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If
666 positive, shift that token. If negative, reduce the rule which
667 number is the opposite. If zero, do what YYDEFACT says.
668 If YYTABLE_NINF, syntax error. */
669 #define YYTABLE_NINF -79
670 static const yysigned_char yytable
[] =
672 62, 53, 48, 48, 71, 3, 90, 47, 72, 48,
673 89, 96, 97, 98, 99, 100, 54, 77, 91, 91,
674 77, -78, 63, 95, 56, 58, 4, 5, 6, 7,
675 8, 9, 10, 11, 12, 57, 59, 60, 69, 14,
676 76, 82, 48, 77, 49, 49, 84, 106, 107, 101,
677 94, 26, 41, 86, 75, 77, 104, 0, 33, 0,
678 102, 61, 0, 88, 0, 105, 0, 64, 85, 63,
679 0, 102, 0, 4, 5, 6, 7, 8, 9, 10,
680 11, 12, 0, 0, 78, 0, 14, 79, 80, 81,
681 0, 0, 0, 0, 0, 0, 0, 0, 26, 0,
682 0, 0, 0, 0, 0, 33, 0, 0, 0, 0,
683 0, 0, 0, 0, 64, 4, 5, 6, 7, 8,
684 9, 10, 11, 12, 0, 0, 0, 13, 14, 15,
685 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,
686 26, 27, 28, 29, 30, 31, 32, 33, 34, 35,
687 36, 0, 0, 37, 0, 0, 0, 38, 39
690 static const yysigned_char yycheck
[] =
692 33, 8, 3, 3, 41, 0, 72, 41, 45, 3,
693 4, 43, 44, 14, 15, 16, 3, 50, 74, 75,
694 53, 0, 1, 89, 4, 42, 5, 6, 7, 8,
695 9, 10, 11, 12, 13, 4, 42, 42, 41, 18,
696 47, 43, 3, 76, 45, 45, 43, 4, 41, 50,
697 49, 30, 2, 66, 46, 88, 97, -1, 37, -1,
698 93, 32, -1, 70, -1, 98, -1, 46, 47, 1,
699 -1, 104, -1, 5, 6, 7, 8, 9, 10, 11,
700 12, 13, -1, -1, 55, -1, 18, 58, 59, 60,
701 -1, -1, -1, -1, -1, -1, -1, -1, 30, -1,
702 -1, -1, -1, -1, -1, 37, -1, -1, -1, -1,
703 -1, -1, -1, -1, 46, 5, 6, 7, 8, 9,
704 10, 11, 12, 13, -1, -1, -1, 17, 18, 19,
705 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
706 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
707 40, -1, -1, 43, -1, -1, -1, 47, 48
710 /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
711 symbol of state STATE-NUM. */
712 static const unsigned char yystos
[] =
714 0, 52, 53, 0, 5, 6, 7, 8, 9, 10,
715 11, 12, 13, 17, 18, 19, 20, 21, 22, 23,
716 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
717 34, 35, 36, 37, 38, 39, 40, 43, 47, 48,
718 54, 55, 56, 59, 60, 58, 57, 41, 3, 45,
719 62, 71, 73, 62, 3, 74, 4, 4, 42, 42,
720 42, 74, 71, 1, 46, 55, 65, 66, 67, 41,
721 61, 41, 45, 63, 64, 64, 62, 71, 74, 74,
722 74, 74, 43, 68, 43, 47, 66, 75, 62, 4,
723 73, 63, 69, 70, 49, 73, 43, 44, 14, 15,
724 16, 50, 71, 72, 70, 71, 4, 41
727 #define yyerrok (yyerrstatus = 0)
728 #define yyclearin (yychar = YYEMPTY)
732 #define YYACCEPT goto yyacceptlab
733 #define YYABORT goto yyabortlab
734 #define YYERROR goto yyerrorlab
737 /* Like YYERROR except do call yyerror. This remains here temporarily
738 to ease the transition to the new meaning of YYERROR, for GCC.
739 Once GCC version 2 has supplanted version 1, this can go. */
741 #define YYFAIL goto yyerrlab
743 #define YYRECOVERING() (!!yyerrstatus)
745 #define YYBACKUP(Token, Value) \
747 if (yychar == YYEMPTY && yylen == 1) \
751 yytoken = YYTRANSLATE (yychar); \
757 yyerror (YY_("syntax error: cannot back up")); \
764 #define YYERRCODE 256
767 /* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N].
768 If N is 0, then set CURRENT to the empty location which ends
769 the previous symbol: RHS[0] (always defined). */
771 #define YYRHSLOC(Rhs, K) ((Rhs)[K])
772 #ifndef YYLLOC_DEFAULT
773 # define YYLLOC_DEFAULT(Current, Rhs, N) \
777 (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \
778 (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \
779 (Current).last_line = YYRHSLOC (Rhs, N).last_line; \
780 (Current).last_column = YYRHSLOC (Rhs, N).last_column; \
784 (Current).first_line = (Current).last_line = \
785 YYRHSLOC (Rhs, 0).last_line; \
786 (Current).first_column = (Current).last_column = \
787 YYRHSLOC (Rhs, 0).last_column; \
793 /* YY_LOCATION_PRINT -- Print the location on the stream.
794 This macro was not mandated originally: define only if we know
795 we won't break user code: when these are the locations we know. */
797 #ifndef YY_LOCATION_PRINT
798 # if YYLTYPE_IS_TRIVIAL
799 # define YY_LOCATION_PRINT(File, Loc) \
800 fprintf (File, "%d.%d-%d.%d", \
801 (Loc).first_line, (Loc).first_column, \
802 (Loc).last_line, (Loc).last_column)
804 # define YY_LOCATION_PRINT(File, Loc) ((void) 0)
809 /* YYLEX -- calling `yylex' with the right arguments. */
812 # define YYLEX yylex (&yylval, &yylloc, YYLEX_PARAM)
814 # define YYLEX yylex (&yylval, &yylloc)
817 /* Enable debugging if requested. */
821 # include <stdio.h> /* INFRINGES ON USER NAME SPACE */
822 # define YYFPRINTF fprintf
825 # define YYDPRINTF(Args) \
831 # define YY_SYMBOL_PRINT(Title, Type, Value, Location) \
835 YYFPRINTF (stderr, "%s ", Title); \
836 yysymprint (stderr, \
837 Type, Value, Location); \
838 YYFPRINTF (stderr, "\n"); \
842 /*------------------------------------------------------------------.
843 | yy_stack_print -- Print the state stack from its BOTTOM up to its |
845 `------------------------------------------------------------------*/
847 #if defined (__STDC__) || defined (__cplusplus)
849 yy_stack_print (short int *bottom
, short int *top
)
852 yy_stack_print (bottom
, top
)
857 YYFPRINTF (stderr
, "Stack now");
858 for (/* Nothing. */; bottom
<= top
; ++bottom
)
859 YYFPRINTF (stderr
, " %d", *bottom
);
860 YYFPRINTF (stderr
, "\n");
863 # define YY_STACK_PRINT(Bottom, Top) \
866 yy_stack_print ((Bottom), (Top)); \
870 /*------------------------------------------------.
871 | Report that the YYRULE is going to be reduced. |
872 `------------------------------------------------*/
874 #if defined (__STDC__) || defined (__cplusplus)
876 yy_reduce_print (int yyrule
)
879 yy_reduce_print (yyrule
)
884 unsigned long int yylno
= yyrline
[yyrule
];
885 YYFPRINTF (stderr
, "Reducing stack by rule %d (line %lu), ",
887 /* Print the symbols being reduced, and their result. */
888 for (yyi
= yyprhs
[yyrule
]; 0 <= yyrhs
[yyi
]; yyi
++)
889 YYFPRINTF (stderr
, "%s ", yytname
[yyrhs
[yyi
]]);
890 YYFPRINTF (stderr
, "-> %s\n", yytname
[yyr1
[yyrule
]]);
893 # define YY_REDUCE_PRINT(Rule) \
896 yy_reduce_print (Rule); \
899 /* Nonzero means print parse trace. It is left uninitialized so that
900 multiple parsers can coexist. */
903 # define YYDPRINTF(Args)
904 # define YY_SYMBOL_PRINT(Title, Type, Value, Location)
905 # define YY_STACK_PRINT(Bottom, Top)
906 # define YY_REDUCE_PRINT(Rule)
907 #endif /* !YYDEBUG */
910 /* YYINITDEPTH -- initial size of the parser's stacks. */
912 # define YYINITDEPTH 200
915 /* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
916 if the built-in stack extension method is used).
918 Do not make this value too large; the results are undefined if
919 YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH)
920 evaluated with infinite-precision integer arithmetic. */
923 # define YYMAXDEPTH 10000
931 # if defined (__GLIBC__) && defined (_STRING_H)
932 # define yystrlen strlen
934 /* Return the length of YYSTR. */
936 # if defined (__STDC__) || defined (__cplusplus)
937 yystrlen (const char *yystr
)
943 const char *yys
= yystr
;
945 while (*yys
++ != '\0')
948 return yys
- yystr
- 1;
954 # if defined (__GLIBC__) && defined (_STRING_H) && defined (_GNU_SOURCE)
955 # define yystpcpy stpcpy
957 /* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
960 # if defined (__STDC__) || defined (__cplusplus)
961 yystpcpy (char *yydest
, const char *yysrc
)
963 yystpcpy (yydest
, yysrc
)
969 const char *yys
= yysrc
;
971 while ((*yyd
++ = *yys
++) != '\0')
980 /* Copy to YYRES the contents of YYSTR after stripping away unnecessary
981 quotes and backslashes, so that it's suitable for yyerror. The
982 heuristic is that double-quoting is unnecessary unless the string
983 contains an apostrophe, a comma, or backslash (other than
984 backslash-backslash). YYSTR is taken from yytname. If YYRES is
985 null, do not copy; instead, return the length of what the result
988 yytnamerr (char *yyres
, const char *yystr
)
993 char const *yyp
= yystr
;
1000 goto do_not_strip_quotes
;
1004 goto do_not_strip_quotes
;
1017 do_not_strip_quotes
: ;
1021 return yystrlen (yystr
);
1023 return yystpcpy (yyres
, yystr
) - yyres
;
1027 #endif /* YYERROR_VERBOSE */
1032 /*--------------------------------.
1033 | Print this symbol on YYOUTPUT. |
1034 `--------------------------------*/
1036 #if defined (__STDC__) || defined (__cplusplus)
1038 yysymprint (FILE *yyoutput
, int yytype
, YYSTYPE
*yyvaluep
, YYLTYPE
*yylocationp
)
1041 yysymprint (yyoutput
, yytype
, yyvaluep
, yylocationp
)
1045 YYLTYPE
*yylocationp
;
1048 /* Pacify ``unused variable'' warnings. */
1052 if (yytype
< YYNTOKENS
)
1053 YYFPRINTF (yyoutput
, "token %s (", yytname
[yytype
]);
1055 YYFPRINTF (yyoutput
, "nterm %s (", yytname
[yytype
]);
1057 YY_LOCATION_PRINT (yyoutput
, *yylocationp
);
1058 YYFPRINTF (yyoutput
, ": ");
1061 if (yytype
< YYNTOKENS
)
1062 YYPRINT (yyoutput
, yytoknum
[yytype
], *yyvaluep
);
1066 case 3: /* "\"string\"" */
1067 #line 165 "parse-gram.y"
1068 { fprintf (stderr
, "\"%s\"", (yyvaluep
->chars
)); };
1069 #line 1070 "parse-gram.c"
1071 case 4: /* "\"integer\"" */
1072 #line 178 "parse-gram.y"
1073 { fprintf (stderr
, "%d", (yyvaluep
->integer
)); };
1074 #line 1075 "parse-gram.c"
1076 case 8: /* "\"%destructor {...}\"" */
1077 #line 167 "parse-gram.y"
1078 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1079 #line 1080 "parse-gram.c"
1081 case 9: /* "\"%printer {...}\"" */
1082 #line 171 "parse-gram.y"
1083 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1084 #line 1085 "parse-gram.c"
1086 case 10: /* "\"%union {...}\"" */
1087 #line 172 "parse-gram.y"
1088 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1089 #line 1090 "parse-gram.c"
1091 case 26: /* "\"%initial-action {...}\"" */
1092 #line 168 "parse-gram.y"
1093 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1094 #line 1095 "parse-gram.c"
1096 case 27: /* "\"%lex-param {...}\"" */
1097 #line 169 "parse-gram.y"
1098 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1099 #line 1100 "parse-gram.c"
1101 case 34: /* "\"%parse-param {...}\"" */
1102 #line 170 "parse-gram.y"
1103 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1104 #line 1105 "parse-gram.c"
1106 case 41: /* "\"type\"" */
1107 #line 176 "parse-gram.y"
1108 { fprintf (stderr
, "<%s>", (yyvaluep
->uniqstr
)); };
1109 #line 1110 "parse-gram.c"
1111 case 45: /* "\"identifier\"" */
1112 #line 180 "parse-gram.y"
1113 { fprintf (stderr
, "%s", (yyvaluep
->symbol
)->tag
); };
1114 #line 1115 "parse-gram.c"
1116 case 46: /* "\"identifier:\"" */
1117 #line 182 "parse-gram.y"
1118 { fprintf (stderr
, "%s:", (yyvaluep
->symbol
)->tag
); };
1119 #line 1120 "parse-gram.c"
1121 case 48: /* "\"%{...%}\"" */
1122 #line 174 "parse-gram.y"
1123 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1124 #line 1125 "parse-gram.c"
1126 case 49: /* "\"epilogue\"" */
1127 #line 174 "parse-gram.y"
1128 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1129 #line 1130 "parse-gram.c"
1131 case 50: /* "\"{...}\"" */
1132 #line 173 "parse-gram.y"
1133 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1134 #line 1135 "parse-gram.c"
1136 case 71: /* "symbol" */
1137 #line 180 "parse-gram.y"
1138 { fprintf (stderr
, "%s", (yyvaluep
->symbol
)->tag
); };
1139 #line 1140 "parse-gram.c"
1141 case 72: /* "action" */
1142 #line 173 "parse-gram.y"
1143 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1144 #line 1145 "parse-gram.c"
1146 case 73: /* "string_as_id" */
1147 #line 180 "parse-gram.y"
1148 { fprintf (stderr
, "%s", (yyvaluep
->symbol
)->tag
); };
1149 #line 1150 "parse-gram.c"
1151 case 74: /* "string_content" */
1152 #line 165 "parse-gram.y"
1153 { fprintf (stderr
, "\"%s\"", (yyvaluep
->chars
)); };
1154 #line 1155 "parse-gram.c"
1159 YYFPRINTF (yyoutput
, ")");
1162 #endif /* ! YYDEBUG */
1163 /*-----------------------------------------------.
1164 | Release the memory associated to this symbol. |
1165 `-----------------------------------------------*/
1167 #if defined (__STDC__) || defined (__cplusplus)
1169 yydestruct (const char *yymsg
, int yytype
, YYSTYPE
*yyvaluep
, YYLTYPE
*yylocationp
)
1172 yydestruct (yymsg
, yytype
, yyvaluep
, yylocationp
)
1176 YYLTYPE
*yylocationp
;
1179 /* Pacify ``unused variable'' warnings. */
1185 YY_SYMBOL_PRINT (yymsg
, yytype
, yyvaluep
, yylocationp
);
1196 /* Prevent warnings from -Wmissing-prototypes. */
1198 #ifdef YYPARSE_PARAM
1199 # if defined (__STDC__) || defined (__cplusplus)
1200 int yyparse (void *YYPARSE_PARAM
);
1204 #else /* ! YYPARSE_PARAM */
1205 #if defined (__STDC__) || defined (__cplusplus)
1210 #endif /* ! YYPARSE_PARAM */
1221 #ifdef YYPARSE_PARAM
1222 # if defined (__STDC__) || defined (__cplusplus)
1223 int yyparse (void *YYPARSE_PARAM
)
1225 int yyparse (YYPARSE_PARAM
)
1226 void *YYPARSE_PARAM
;
1228 #else /* ! YYPARSE_PARAM */
1229 #if defined (__STDC__) || defined (__cplusplus)
1239 /* The look-ahead symbol. */
1242 /* The semantic value of the look-ahead symbol. */
1245 /* Number of syntax errors so far. */
1247 /* Location data for the look-ahead symbol. */
1253 /* Number of tokens to shift before error messages enabled. */
1255 /* Look-ahead token as an internal (translated) token number. */
1258 /* Three stacks and their tools:
1259 `yyss': related to states,
1260 `yyvs': related to semantic values,
1261 `yyls': related to locations.
1263 Refer to the stacks thru separate pointers, to allow yyoverflow
1264 to reallocate them elsewhere. */
1266 /* The state stack. */
1267 short int yyssa
[YYINITDEPTH
];
1268 short int *yyss
= yyssa
;
1271 /* The semantic value stack. */
1272 YYSTYPE yyvsa
[YYINITDEPTH
];
1273 YYSTYPE
*yyvs
= yyvsa
;
1276 /* The location stack. */
1277 YYLTYPE yylsa
[YYINITDEPTH
];
1278 YYLTYPE
*yyls
= yylsa
;
1280 /* The locations where the error started and ended. */
1281 YYLTYPE yyerror_range
[2];
1283 #define YYPOPSTACK (yyvsp--, yyssp--, yylsp--)
1285 YYSIZE_T yystacksize
= YYINITDEPTH
;
1287 /* The variables used to return semantic value and location from the
1292 /* When reducing, the number of symbols on the RHS of the reduced
1296 YYDPRINTF ((stderr
, "Starting parse\n"));
1301 yychar
= YYEMPTY
; /* Cause a token to be read. */
1303 /* Initialize stack pointers.
1304 Waste one element of value and location stack
1305 so that they stay on the same level as the state stack.
1306 The wasted elements are never initialized. */
1311 #if YYLTYPE_IS_TRIVIAL
1312 /* Initialize the default location before parsing starts. */
1313 yylloc
.first_line
= yylloc
.last_line
= 1;
1314 yylloc
.first_column
= yylloc
.last_column
= 0;
1318 /* User initialization code. */
1319 #line 69 "parse-gram.y"
1321 /* Bison's grammar can initial empty locations, hence a default
1322 location is needed. */
1323 yylloc
.start
.file
= yylloc
.end
.file
= current_file
;
1324 yylloc
.start
.line
= yylloc
.end
.line
= 1;
1325 yylloc
.start
.column
= yylloc
.end
.column
= 0;
1327 /* Line 930 of yacc.c. */
1328 #line 1329 "parse-gram.c"
1332 /*------------------------------------------------------------.
1333 | yynewstate -- Push a new state, which is found in yystate. |
1334 `------------------------------------------------------------*/
1336 /* In all cases, when you get here, the value and location stacks
1337 have just been pushed. so pushing a state here evens the stacks.
1344 if (yyss
+ yystacksize
- 1 <= yyssp
)
1346 /* Get the current used size of the three stacks, in elements. */
1347 YYSIZE_T yysize
= yyssp
- yyss
+ 1;
1351 /* Give user a chance to reallocate the stack. Use copies of
1352 these so that the &'s don't force the real ones into
1354 YYSTYPE
*yyvs1
= yyvs
;
1355 short int *yyss1
= yyss
;
1356 YYLTYPE
*yyls1
= yyls
;
1358 /* Each stack pointer address is followed by the size of the
1359 data in use in that stack, in bytes. This used to be a
1360 conditional around just the two extra args, but that might
1361 be undefined if yyoverflow is a macro. */
1362 yyoverflow (YY_("memory exhausted"),
1363 &yyss1
, yysize
* sizeof (*yyssp
),
1364 &yyvs1
, yysize
* sizeof (*yyvsp
),
1365 &yyls1
, yysize
* sizeof (*yylsp
),
1371 #else /* no yyoverflow */
1372 # ifndef YYSTACK_RELOCATE
1373 goto yyexhaustedlab
;
1375 /* Extend the stack our own way. */
1376 if (YYMAXDEPTH
<= yystacksize
)
1377 goto yyexhaustedlab
;
1379 if (YYMAXDEPTH
< yystacksize
)
1380 yystacksize
= YYMAXDEPTH
;
1383 short int *yyss1
= yyss
;
1384 union yyalloc
*yyptr
=
1385 (union yyalloc
*) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize
));
1387 goto yyexhaustedlab
;
1388 YYSTACK_RELOCATE (yyss
);
1389 YYSTACK_RELOCATE (yyvs
);
1390 YYSTACK_RELOCATE (yyls
);
1391 # undef YYSTACK_RELOCATE
1393 YYSTACK_FREE (yyss1
);
1396 #endif /* no yyoverflow */
1398 yyssp
= yyss
+ yysize
- 1;
1399 yyvsp
= yyvs
+ yysize
- 1;
1400 yylsp
= yyls
+ yysize
- 1;
1402 YYDPRINTF ((stderr
, "Stack size increased to %lu\n",
1403 (unsigned long int) yystacksize
));
1405 if (yyss
+ yystacksize
- 1 <= yyssp
)
1409 YYDPRINTF ((stderr
, "Entering state %d\n", yystate
));
1418 /* Do appropriate processing given the current state. */
1419 /* Read a look-ahead token if we need one and don't already have one. */
1422 /* First try to decide what to do without reference to look-ahead token. */
1424 yyn
= yypact
[yystate
];
1425 if (yyn
== YYPACT_NINF
)
1428 /* Not known => get a look-ahead token if don't already have one. */
1430 /* YYCHAR is either YYEMPTY or YYEOF or a valid look-ahead symbol. */
1431 if (yychar
== YYEMPTY
)
1433 YYDPRINTF ((stderr
, "Reading a token: "));
1437 if (yychar
<= YYEOF
)
1439 yychar
= yytoken
= YYEOF
;
1440 YYDPRINTF ((stderr
, "Now at end of input.\n"));
1444 yytoken
= YYTRANSLATE (yychar
);
1445 YY_SYMBOL_PRINT ("Next token is", yytoken
, &yylval
, &yylloc
);
1448 /* If the proper action on seeing token YYTOKEN is to reduce or to
1449 detect an error, take that action. */
1451 if (yyn
< 0 || YYLAST
< yyn
|| yycheck
[yyn
] != yytoken
)
1456 if (yyn
== 0 || yyn
== YYTABLE_NINF
)
1465 /* Shift the look-ahead token. */
1466 YY_SYMBOL_PRINT ("Shifting", yytoken
, &yylval
, &yylloc
);
1468 /* Discard the token being shifted unless it is eof. */
1469 if (yychar
!= YYEOF
)
1475 /* Count tokens shifted since error; after three, turn off error
1484 /*-----------------------------------------------------------.
1485 | yydefault -- do the default action for the current state. |
1486 `-----------------------------------------------------------*/
1488 yyn
= yydefact
[yystate
];
1494 /*-----------------------------.
1495 | yyreduce -- Do a reduction. |
1496 `-----------------------------*/
1498 /* yyn is the number of a rule to reduce with. */
1501 /* If YYLEN is nonzero, implement the default value of the action:
1504 Otherwise, the following line sets YYVAL to garbage.
1505 This behavior is undocumented and Bison
1506 users should not rely upon it. Assigning to YYVAL
1507 unconditionally makes the parser a bit smaller, and it avoids a
1508 GCC warning that YYVAL may be used uninitialized. */
1509 yyval
= yyvsp
[1-yylen
];
1511 /* Default location. */
1512 YYLLOC_DEFAULT (yyloc
, yylsp
- yylen
, yylen
);
1513 YY_REDUCE_PRINT (yyn
);
1517 #line 203 "parse-gram.y"
1518 { prologue_augment ((yyvsp
[0].chars
), (yylsp
[0])); }
1522 #line 204 "parse-gram.y"
1523 { debug_flag
= true; }
1527 #line 205 "parse-gram.y"
1528 { muscle_insert ((yyvsp
[-1].chars
), (yyvsp
[0].chars
)); }
1532 #line 206 "parse-gram.y"
1533 { defines_flag
= true; }
1537 #line 207 "parse-gram.y"
1538 { error_verbose
= true; }
1542 #line 208 "parse-gram.y"
1543 { expected_sr_conflicts
= (yyvsp
[0].integer
); }
1547 #line 209 "parse-gram.y"
1548 { expected_rr_conflicts
= (yyvsp
[0].integer
); }
1552 #line 210 "parse-gram.y"
1553 { spec_file_prefix
= (yyvsp
[0].chars
); }
1557 #line 212 "parse-gram.y"
1559 nondeterministic_parser
= true;
1565 #line 217 "parse-gram.y"
1567 muscle_code_grow ("initial_action", (yyvsp
[0].chars
), (yylsp
[0]));
1572 #line 220 "parse-gram.y"
1573 { add_param ("lex_param", (yyvsp
[0].chars
), (yylsp
[0])); }
1577 #line 221 "parse-gram.y"
1578 { locations_flag
= true; }
1582 #line 222 "parse-gram.y"
1583 { spec_name_prefix
= (yyvsp
[0].chars
); }
1587 #line 223 "parse-gram.y"
1588 { no_lines_flag
= true; }
1592 #line 224 "parse-gram.y"
1593 { nondeterministic_parser
= true; }
1597 #line 225 "parse-gram.y"
1598 { spec_outfile
= (yyvsp
[0].chars
); }
1602 #line 226 "parse-gram.y"
1603 { add_param ("parse_param", (yyvsp
[0].chars
), (yylsp
[0])); }
1607 #line 227 "parse-gram.y"
1608 { pure_parser
= true; }
1612 #line 228 "parse-gram.y"
1613 { skeleton
= (yyvsp
[0].chars
); }
1617 #line 229 "parse-gram.y"
1618 { token_table_flag
= true; }
1622 #line 230 "parse-gram.y"
1623 { report_flag
= report_states
; }
1627 #line 231 "parse-gram.y"
1628 { yacc_flag
= true; }
1632 #line 239 "parse-gram.y"
1634 grammar_start_symbol_set ((yyvsp
[0].symbol
), (yylsp
[0]));
1639 #line 243 "parse-gram.y"
1642 MUSCLE_INSERT_INT ("stype_line", (yylsp
[0]).start
.line
);
1643 muscle_insert ("stype", (yyvsp
[0].chars
));
1648 #line 249 "parse-gram.y"
1651 for (list
= (yyvsp
[0].list
); list
; list
= list
->next
)
1652 symbol_destructor_set (list
->sym
, (yyvsp
[-1].chars
), (yylsp
[-1]));
1653 symbol_list_free ((yyvsp
[0].list
));
1658 #line 256 "parse-gram.y"
1661 for (list
= (yyvsp
[0].list
); list
; list
= list
->next
)
1662 symbol_printer_set (list
->sym
, (yyvsp
[-1].chars
), list
->location
);
1663 symbol_list_free ((yyvsp
[0].list
));
1668 #line 263 "parse-gram.y"
1670 default_prec
= true;
1675 #line 267 "parse-gram.y"
1677 default_prec
= false;
1682 #line 273 "parse-gram.y"
1683 { current_class
= nterm_sym
; }
1687 #line 274 "parse-gram.y"
1689 current_class
= unknown_sym
;
1690 current_type
= NULL
;
1695 #line 278 "parse-gram.y"
1696 { current_class
= token_sym
; }
1700 #line 279 "parse-gram.y"
1702 current_class
= unknown_sym
;
1703 current_type
= NULL
;
1708 #line 284 "parse-gram.y"
1711 for (list
= (yyvsp
[0].list
); list
; list
= list
->next
)
1712 symbol_type_set (list
->sym
, (yyvsp
[-1].uniqstr
), (yylsp
[-1]));
1713 symbol_list_free ((yyvsp
[0].list
));
1718 #line 294 "parse-gram.y"
1722 for (list
= (yyvsp
[0].list
); list
; list
= list
->next
)
1724 symbol_type_set (list
->sym
, current_type
, (yylsp
[-1]));
1725 symbol_precedence_set (list
->sym
, current_prec
, (yyvsp
[-2].assoc
), (yylsp
[-2]));
1727 symbol_list_free ((yyvsp
[0].list
));
1728 current_type
= NULL
;
1733 #line 308 "parse-gram.y"
1734 { (yyval
.assoc
) = left_assoc
; }
1738 #line 309 "parse-gram.y"
1739 { (yyval
.assoc
) = right_assoc
; }
1743 #line 310 "parse-gram.y"
1744 { (yyval
.assoc
) = non_assoc
; }
1748 #line 314 "parse-gram.y"
1749 { current_type
= NULL
; }
1753 #line 315 "parse-gram.y"
1754 { current_type
= (yyvsp
[0].uniqstr
); }
1758 #line 321 "parse-gram.y"
1759 { (yyval
.list
) = symbol_list_new ((yyvsp
[0].symbol
), (yylsp
[0])); }
1763 #line 322 "parse-gram.y"
1764 { (yyval
.list
) = symbol_list_prepend ((yyvsp
[-1].list
), (yyvsp
[0].symbol
), (yylsp
[0])); }
1768 #line 328 "parse-gram.y"
1770 current_type
= (yyvsp
[0].uniqstr
);
1775 #line 332 "parse-gram.y"
1777 symbol_class_set ((yyvsp
[0].symbol
), current_class
, (yylsp
[0]));
1778 symbol_type_set ((yyvsp
[0].symbol
), current_type
, (yylsp
[0]));
1783 #line 337 "parse-gram.y"
1785 symbol_class_set ((yyvsp
[-1].symbol
), current_class
, (yylsp
[-1]));
1786 symbol_type_set ((yyvsp
[-1].symbol
), current_type
, (yylsp
[-1]));
1787 symbol_user_token_number_set ((yyvsp
[-1].symbol
), (yyvsp
[0].integer
), (yylsp
[0]));
1792 #line 343 "parse-gram.y"
1794 symbol_class_set ((yyvsp
[-1].symbol
), current_class
, (yylsp
[-1]));
1795 symbol_type_set ((yyvsp
[-1].symbol
), current_type
, (yylsp
[-1]));
1796 symbol_make_alias ((yyvsp
[-1].symbol
), (yyvsp
[0].symbol
), (yyloc
));
1801 #line 349 "parse-gram.y"
1803 symbol_class_set ((yyvsp
[-2].symbol
), current_class
, (yylsp
[-2]));
1804 symbol_type_set ((yyvsp
[-2].symbol
), current_type
, (yylsp
[-2]));
1805 symbol_user_token_number_set ((yyvsp
[-2].symbol
), (yyvsp
[-1].integer
), (yylsp
[-1]));
1806 symbol_make_alias ((yyvsp
[-2].symbol
), (yyvsp
[0].symbol
), (yyloc
));
1811 #line 378 "parse-gram.y"
1814 complain_at ((yyloc
), _("POSIX forbids declarations in the grammar"));
1819 #line 383 "parse-gram.y"
1826 #line 389 "parse-gram.y"
1827 { current_lhs
= (yyvsp
[0].symbol
); current_lhs_location
= (yylsp
[0]); }
1831 #line 393 "parse-gram.y"
1832 { grammar_rule_end ((yylsp
[0])); }
1836 #line 394 "parse-gram.y"
1837 { grammar_rule_end ((yylsp
[0])); }
1841 #line 400 "parse-gram.y"
1842 { grammar_rule_begin (current_lhs
, current_lhs_location
); }
1846 #line 402 "parse-gram.y"
1847 { grammar_current_rule_symbol_append ((yyvsp
[0].symbol
), (yylsp
[0])); }
1851 #line 404 "parse-gram.y"
1852 { grammar_current_rule_action_append ((yyvsp
[0].chars
), (yylsp
[0])); }
1856 #line 406 "parse-gram.y"
1857 { grammar_current_rule_prec_set ((yyvsp
[0].symbol
), (yylsp
[0])); }
1861 #line 408 "parse-gram.y"
1862 { grammar_current_rule_dprec_set ((yyvsp
[0].integer
), (yylsp
[0])); }
1866 #line 410 "parse-gram.y"
1867 { grammar_current_rule_merge_set ((yyvsp
[0].uniqstr
), (yylsp
[0])); }
1871 #line 414 "parse-gram.y"
1872 { (yyval
.symbol
) = (yyvsp
[0].symbol
); }
1876 #line 415 "parse-gram.y"
1877 { (yyval
.symbol
) = (yyvsp
[0].symbol
); }
1881 #line 420 "parse-gram.y"
1882 { (yyval
.chars
) = (yyvsp
[0].chars
); }
1886 #line 426 "parse-gram.y"
1888 (yyval
.symbol
) = symbol_get (quotearg_style (c_quoting_style
, (yyvsp
[0].chars
)), (yylsp
[0]));
1889 symbol_class_set ((yyval
.symbol
), token_sym
, (yylsp
[0]));
1894 #line 435 "parse-gram.y"
1895 { (yyval
.chars
) = (yyvsp
[0].chars
); }
1899 #line 442 "parse-gram.y"
1901 muscle_code_grow ("epilogue", (yyvsp
[0].chars
), (yylsp
[0]));
1902 scanner_last_string_free ();
1910 /* Line 1126 of yacc.c. */
1911 #line 1912 "parse-gram.c"
1917 YY_STACK_PRINT (yyss
, yyssp
);
1922 /* Now `shift' the result of the reduction. Determine what state
1923 that goes to, based on the state we popped back to and the rule
1924 number reduced by. */
1928 yystate
= yypgoto
[yyn
- YYNTOKENS
] + *yyssp
;
1929 if (0 <= yystate
&& yystate
<= YYLAST
&& yycheck
[yystate
] == *yyssp
)
1930 yystate
= yytable
[yystate
];
1932 yystate
= yydefgoto
[yyn
- YYNTOKENS
];
1937 /*------------------------------------.
1938 | yyerrlab -- here on detecting error |
1939 `------------------------------------*/
1941 /* If not already recovering from an error, report this error. */
1946 yyn
= yypact
[yystate
];
1948 if (YYPACT_NINF
< yyn
&& yyn
< YYLAST
)
1950 int yytype
= YYTRANSLATE (yychar
);
1951 YYSIZE_T yysize0
= yytnamerr (0, yytname
[yytype
]);
1952 YYSIZE_T yysize
= yysize0
;
1954 int yysize_overflow
= 0;
1956 # define YYERROR_VERBOSE_ARGS_MAXIMUM 5
1957 char const *yyarg
[YYERROR_VERBOSE_ARGS_MAXIMUM
];
1961 /* This is so xgettext sees the translatable formats that are
1962 constructed on the fly. */
1963 YY_("syntax error, unexpected %s");
1964 YY_("syntax error, unexpected %s, expecting %s");
1965 YY_("syntax error, unexpected %s, expecting %s or %s");
1966 YY_("syntax error, unexpected %s, expecting %s or %s or %s");
1967 YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s");
1971 static char const yyunexpected
[] = "syntax error, unexpected %s";
1972 static char const yyexpecting
[] = ", expecting %s";
1973 static char const yyor
[] = " or %s";
1974 char yyformat
[sizeof yyunexpected
1975 + sizeof yyexpecting
- 1
1976 + ((YYERROR_VERBOSE_ARGS_MAXIMUM
- 2)
1977 * (sizeof yyor
- 1))];
1978 char const *yyprefix
= yyexpecting
;
1980 /* Start YYX at -YYN if negative to avoid negative indexes in
1982 int yyxbegin
= yyn
< 0 ? -yyn
: 0;
1984 /* Stay within bounds of both yycheck and yytname. */
1985 int yychecklim
= YYLAST
- yyn
;
1986 int yyxend
= yychecklim
< YYNTOKENS
? yychecklim
: YYNTOKENS
;
1989 yyarg
[0] = yytname
[yytype
];
1990 yyfmt
= yystpcpy (yyformat
, yyunexpected
);
1992 for (yyx
= yyxbegin
; yyx
< yyxend
; ++yyx
)
1993 if (yycheck
[yyx
+ yyn
] == yyx
&& yyx
!= YYTERROR
)
1995 if (yycount
== YYERROR_VERBOSE_ARGS_MAXIMUM
)
1999 yyformat
[sizeof yyunexpected
- 1] = '\0';
2002 yyarg
[yycount
++] = yytname
[yyx
];
2003 yysize1
= yysize
+ yytnamerr (0, yytname
[yyx
]);
2004 yysize_overflow
|= yysize1
< yysize
;
2006 yyfmt
= yystpcpy (yyfmt
, yyprefix
);
2010 yyf
= YY_(yyformat
);
2011 yysize1
= yysize
+ yystrlen (yyf
);
2012 yysize_overflow
|= yysize1
< yysize
;
2015 if (!yysize_overflow
&& yysize
<= YYSTACK_ALLOC_MAXIMUM
)
2016 yymsg
= (char *) YYSTACK_ALLOC (yysize
);
2019 /* Avoid sprintf, as that infringes on the user's name space.
2020 Don't have undefined behavior even if the translation
2021 produced a string with the wrong number of "%s"s. */
2024 while ((*yyp
= *yyf
))
2026 if (*yyp
== '%' && yyf
[1] == 's' && yyi
< yycount
)
2028 yyp
+= yytnamerr (yyp
, yyarg
[yyi
++]);
2038 YYSTACK_FREE (yymsg
);
2042 yyerror (YY_("syntax error"));
2043 goto yyexhaustedlab
;
2047 #endif /* YYERROR_VERBOSE */
2048 yyerror (YY_("syntax error"));
2051 yyerror_range
[0] = yylloc
;
2053 if (yyerrstatus
== 3)
2055 /* If just tried and failed to reuse look-ahead token after an
2056 error, discard it. */
2058 if (yychar
<= YYEOF
)
2060 /* Return failure if at end of input. */
2061 if (yychar
== YYEOF
)
2066 yydestruct ("Error: discarding", yytoken
, &yylval
, &yylloc
);
2071 /* Else will try to reuse look-ahead token after shifting the error
2076 /*---------------------------------------------------.
2077 | yyerrorlab -- error raised explicitly by YYERROR. |
2078 `---------------------------------------------------*/
2081 /* Pacify compilers like GCC when the user code never invokes
2082 YYERROR and the label yyerrorlab therefore never appears in user
2087 yyerror_range
[0] = yylsp
[1-yylen
];
2095 /*-------------------------------------------------------------.
2096 | yyerrlab1 -- common code for both syntax error and YYERROR. |
2097 `-------------------------------------------------------------*/
2099 yyerrstatus
= 3; /* Each real token shifted decrements this. */
2103 yyn
= yypact
[yystate
];
2104 if (yyn
!= YYPACT_NINF
)
2107 if (0 <= yyn
&& yyn
<= YYLAST
&& yycheck
[yyn
] == YYTERROR
)
2115 /* Pop the current state because it cannot handle the error token. */
2119 yyerror_range
[0] = *yylsp
;
2120 yydestruct ("Error: popping", yystos
[yystate
], yyvsp
, yylsp
);
2123 YY_STACK_PRINT (yyss
, yyssp
);
2131 yyerror_range
[1] = yylloc
;
2132 /* Using YYLLOC is tempting, but would change the location of
2133 the look-ahead. YYLOC is available though. */
2134 YYLLOC_DEFAULT (yyloc
, yyerror_range
- 1, 2);
2137 /* Shift the error token. */
2138 YY_SYMBOL_PRINT ("Shifting", yystos
[yyn
], yyvsp
, yylsp
);
2144 /*-------------------------------------.
2145 | yyacceptlab -- YYACCEPT comes here. |
2146 `-------------------------------------*/
2151 /*-----------------------------------.
2152 | yyabortlab -- YYABORT comes here. |
2153 `-----------------------------------*/
2159 /*-------------------------------------------------.
2160 | yyexhaustedlab -- memory exhaustion comes here. |
2161 `-------------------------------------------------*/
2163 yyerror (YY_("memory exhausted"));
2169 if (yychar
!= YYEOF
&& yychar
!= YYEMPTY
)
2170 yydestruct ("Cleanup: discarding lookahead",
2171 yytoken
, &yylval
, &yylloc
);
2172 while (yyssp
!= yyss
)
2174 yydestruct ("Cleanup: popping",
2175 yystos
[*yyssp
], yyvsp
, yylsp
);
2180 YYSTACK_FREE (yyss
);
2186 #line 448 "parse-gram.y"
2190 /* Return the location of the left-hand side of a rule whose
2191 right-hand side is RHS[1] ... RHS[N]. Ignore empty nonterminals in
2192 the right-hand side, and return an empty location equal to the end
2193 boundary of RHS[0] if the right-hand side is empty. */
2196 lloc_default (YYLTYPE
const *rhs
, int n
)
2201 /* SGI MIPSpro 7.4.1m miscompiles "loc.start = loc.end = rhs[n].end;".
2202 The bug is fixed in 7.4.2m, but play it safe for now. */
2203 loc
.start
= rhs
[n
].end
;
2204 loc
.end
= rhs
[n
].end
;
2206 /* Ignore empty nonterminals the start of the the right-hand side.
2207 Do not bother to ignore them at the end of the right-hand side,
2208 since empty nonterminals have the same end as their predecessors. */
2209 for (i
= 1; i
<= n
; i
++)
2210 if (! equal_boundaries (rhs
[i
].start
, rhs
[i
].end
))
2212 loc
.start
= rhs
[i
].start
;
2220 /* Add a lex-param or a parse-param (depending on TYPE) with
2221 declaration DECL and location LOC. */
2224 add_param (char const *type
, char *decl
, location loc
)
2226 static char const alphanum
[26 + 26 + 1 + 10] =
2227 "abcdefghijklmnopqrstuvwxyz"
2228 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
2231 char const *name_start
= NULL
;
2234 /* Stop on last actual character. */
2235 for (p
= decl
; p
[1]; p
++)
2237 || ! memchr (alphanum
, p
[-1], sizeof alphanum
))
2238 && memchr (alphanum
, p
[0], sizeof alphanum
- 10))
2241 /* Strip the surrounding '{' and '}', and any blanks just inside
2243 while (*--p
== ' ' || *p
== '\t')
2246 while (*++decl
== ' ' || *decl
== '\t')
2250 complain_at (loc
, _("missing identifier in parameter declaration"));
2257 memchr (alphanum
, name_start
[name_len
], sizeof alphanum
);
2261 name
= xmalloc (name_len
+ 1);
2262 memcpy (name
, name_start
, name_len
);
2263 name
[name_len
] = '\0';
2264 muscle_pair_list_grow (type
, decl
, name
);
2268 scanner_last_string_free ();
2272 gram_error (location
const *loc
, char const *msg
)
2274 complain_at (*loc
, "%s", msg
);
2278 token_name (int type
)
2280 return yytname
[YYTRANSLATE (type
)];