1 /* A Bison parser, made by GNU Bison 2.1a. */
3 /* Skeleton parser for Yacc-like parsing with Bison,
4 Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 Boston, MA 02110-1301, USA. */
21 /* As a special exception, when this file is copied by Bison into a
22 Bison output file, you may use that output file without restriction.
23 This special exception was added by the Free Software Foundation
24 in version 1.24 of Bison. */
26 /* Written by Richard Stallman by simplifying the original so called
27 ``semantic'' parser. */
29 /* All symbols defined below should begin with yy or YY, to avoid
30 infringing on user name space. This should be done even for local
31 variables, as they might otherwise be expanded by user macros.
32 There are some unavoidable exceptions within include files to
33 define necessary library symbols; they are noted "INFRINGES ON
34 USER NAME SPACE" below. */
36 /* Identify Bison output. */
40 #define YYBISON_VERSION "2.1a"
43 #define YYSKELETON_NAME "yacc.c"
48 /* Using locations. */
49 #define YYLSP_NEEDED 1
51 /* Substitute the variable and function names. */
52 #define yyparse gram_parse
53 #define yylex gram_lex
54 #define yyerror gram_error
55 #define yylval gram_lval
56 #define yychar gram_char
57 #define yydebug gram_debug
58 #define yynerrs gram_nerrs
59 #define yylloc gram_lloc
64 /* Put the tokens into the symbol table, so that GDB and other debuggers
73 PERCENT_DESTRUCTOR
= 263,
74 PERCENT_PRINTER
= 264,
78 PERCENT_NONASSOC
= 268,
83 PERCENT_DEFAULT_PREC
= 273,
85 PERCENT_DEFINES
= 275,
86 PERCENT_ERROR_VERBOSE
= 276,
88 PERCENT_EXPECT_RR
= 278,
89 PERCENT_FILE_PREFIX
= 279,
90 PERCENT_GLR_PARSER
= 280,
91 PERCENT_INITIAL_ACTION
= 281,
92 PERCENT_LEX_PARAM
= 282,
93 PERCENT_LOCATIONS
= 283,
94 PERCENT_NAME_PREFIX
= 284,
95 PERCENT_NO_DEFAULT_PREC
= 285,
96 PERCENT_NO_LINES
= 286,
97 PERCENT_NONDETERMINISTIC_PARSER
= 287,
99 PERCENT_PARSE_PARAM
= 289,
100 PERCENT_PURE_PARSER
= 290,
101 PERCENT_SKELETON
= 291,
103 PERCENT_TOKEN_TABLE
= 293,
104 PERCENT_VERBOSE
= 294,
112 PERCENT_PERCENT
= 302,
122 #define PERCENT_TOKEN 260
123 #define PERCENT_NTERM 261
124 #define PERCENT_TYPE 262
125 #define PERCENT_DESTRUCTOR 263
126 #define PERCENT_PRINTER 264
127 #define PERCENT_UNION 265
128 #define PERCENT_LEFT 266
129 #define PERCENT_RIGHT 267
130 #define PERCENT_NONASSOC 268
131 #define PERCENT_PREC 269
132 #define PERCENT_DPREC 270
133 #define PERCENT_MERGE 271
134 #define PERCENT_DEBUG 272
135 #define PERCENT_DEFAULT_PREC 273
136 #define PERCENT_DEFINE 274
137 #define PERCENT_DEFINES 275
138 #define PERCENT_ERROR_VERBOSE 276
139 #define PERCENT_EXPECT 277
140 #define PERCENT_EXPECT_RR 278
141 #define PERCENT_FILE_PREFIX 279
142 #define PERCENT_GLR_PARSER 280
143 #define PERCENT_INITIAL_ACTION 281
144 #define PERCENT_LEX_PARAM 282
145 #define PERCENT_LOCATIONS 283
146 #define PERCENT_NAME_PREFIX 284
147 #define PERCENT_NO_DEFAULT_PREC 285
148 #define PERCENT_NO_LINES 286
149 #define PERCENT_NONDETERMINISTIC_PARSER 287
150 #define PERCENT_OUTPUT 288
151 #define PERCENT_PARSE_PARAM 289
152 #define PERCENT_PURE_PARSER 290
153 #define PERCENT_SKELETON 291
154 #define PERCENT_START 292
155 #define PERCENT_TOKEN_TABLE 293
156 #define PERCENT_VERBOSE 294
157 #define PERCENT_YACC 295
160 #define SEMICOLON 298
164 #define PERCENT_PERCENT 302
167 #define BRACED_CODE 305
172 /* Copy the first part of user declarations. */
173 #line 1 "parse-gram.y"
174 /* Bison Grammar Parser -*- C -*-
176 Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
178 This file is part of Bison, the GNU Compiler Compiler.
180 This program is free software; you can redistribute it and/or modify
181 it under the terms of the GNU General Public License as published by
182 the Free Software Foundation; either version 2 of the License, or
183 (at your option) any later version.
185 This program is distributed in the hope that it will be useful,
186 but WITHOUT ANY WARRANTY; without even the implied warranty of
187 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
188 GNU General Public License for more details.
190 You should have received a copy of the GNU General Public License
191 along with this program; if not, write to the Free Software
192 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
198 #include "complain.h"
199 #include "conflicts.h"
203 #include "muscle_tab.h"
205 #include "quotearg.h"
209 #define YYLLOC_DEFAULT(Current, Rhs, N) (Current) = lloc_default (Rhs, N)
210 static YYLTYPE
lloc_default (YYLTYPE
const *, int);
212 #define YY_LOCATION_PRINT(File, Loc) \
213 location_print (File, Loc)
215 /* Request detailed syntax error messages, and pass them to GRAM_ERROR.
216 FIXME: depends on the undocumented availability of YYLLOC. */
218 #define yyerror(Msg) \
219 gram_error (&yylloc, Msg)
220 static void gram_error (location
const *, char const *);
222 static void add_param (char const *, char *, location
);
224 static symbol_class current_class
= unknown_sym
;
225 static uniqstr current_type
= 0;
227 location current_lhs_location
;
229 static int current_prec
= 0;
232 /* Enabling traces. */
237 /* Enabling verbose error messages. */
238 #ifdef YYERROR_VERBOSE
239 # undef YYERROR_VERBOSE
240 # define YYERROR_VERBOSE 1
242 # define YYERROR_VERBOSE 1
245 /* Enabling the token table. */
246 #ifndef YYTOKEN_TABLE
247 # define YYTOKEN_TABLE 0
250 #if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)
251 #line 79 "parse-gram.y"
252 typedef union YYSTYPE
{
260 /* Line 196 of yacc.c. */
261 #line 262 "parse-gram.c"
262 # define yystype YYSTYPE /* obsolescent; will be withdrawn */
263 # define YYSTYPE_IS_DECLARED 1
264 # define YYSTYPE_IS_TRIVIAL 1
267 #if ! defined (YYLTYPE) && ! defined (YYLTYPE_IS_DECLARED)
268 typedef struct YYLTYPE
275 # define yyltype YYLTYPE /* obsolescent; will be withdrawn */
276 # define YYLTYPE_IS_DECLARED 1
277 # define YYLTYPE_IS_TRIVIAL 1
281 /* Copy the second part of user declarations. */
284 /* Line 219 of yacc.c. */
285 #line 286 "parse-gram.c"
288 # if defined (__SIZE_TYPE__)
289 # define YYSIZE_T __SIZE_TYPE__
290 # elif defined (size_t)
291 # define YYSIZE_T size_t
292 # elif ! defined (YYSIZE_T) && (defined (__STDC__) || defined (__cplusplus))
293 # include <stddef.h> /* INFRINGES ON USER NAME SPACE */
294 # define YYSIZE_T size_t
296 # define YYSIZE_T unsigned int
300 #define YYSIZE_MAXIMUM ((YYSIZE_T) -1)
305 # include <libintl.h> /* INFRINGES ON USER NAME SPACE */
306 # define YY_(msgid) dgettext ("bison-runtime", msgid)
310 # define YY_(msgid) msgid
314 #if ! defined (yyoverflow) || YYERROR_VERBOSE
316 /* The parser invokes alloca or malloc; define the necessary symbols. */
318 # ifdef YYSTACK_USE_ALLOCA
319 # if YYSTACK_USE_ALLOCA
321 # define YYSTACK_ALLOC __builtin_alloca
322 # elif defined (__BUILTIN_VA_ARG_INCR)
323 # include <alloca.h> /* INFRINGES ON USER NAME SPACE */
324 # elif defined (_AIX)
325 # define YYSTACK_ALLOC __alloca
326 # elif defined (_MSC_VER)
327 # include <malloc.h> /* INFRINGES ON USER NAME SPACE */
328 # define alloca _alloca
330 # define YYSTACK_ALLOC alloca
331 # if (! defined (alloca) && ! defined (_ALLOCA_H) && ! defined (_STDLIB_H) \
332 && (defined (__STDC__) || defined (__cplusplus)))
333 # include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
342 # ifdef YYSTACK_ALLOC
343 /* Pacify GCC's `empty if-body' warning. */
344 # define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
345 # ifndef YYSTACK_ALLOC_MAXIMUM
346 /* The OS might guarantee only one guard page at the bottom of the stack,
347 and a page size can be as small as 4096 bytes. So we cannot safely
348 invoke alloca (N) if N exceeds 4096. Use a slightly smaller number
349 to allow for a few compiler-allocated temporary stack slots. */
350 # define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2005 */
353 # define YYSTACK_ALLOC YYMALLOC
354 # define YYSTACK_FREE YYFREE
355 # ifndef YYSTACK_ALLOC_MAXIMUM
356 # define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
362 # define YYMALLOC malloc
363 # if (! defined (malloc) && ! defined (_STDLIB_H) \
364 && (defined (__STDC__) || defined (__cplusplus)))
365 void *malloc (YYSIZE_T
); /* INFRINGES ON USER NAME SPACE */
370 # if (! defined (free) && ! defined (_STDLIB_H) \
371 && (defined (__STDC__) || defined (__cplusplus)))
372 void free (void *); /* INFRINGES ON USER NAME SPACE */
379 #endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */
382 #if (! defined (yyoverflow) \
383 && (! defined (__cplusplus) \
384 || (defined (YYLTYPE_IS_TRIVIAL) && YYLTYPE_IS_TRIVIAL \
385 && defined (YYSTYPE_IS_TRIVIAL) && YYSTYPE_IS_TRIVIAL)))
387 /* A type that is properly aligned for any stack member. */
395 /* The size of the maximum gap between one aligned stack and the next. */
396 # define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)
398 /* The size of an array large to enough to hold all stacks, each with
400 # define YYSTACK_BYTES(N) \
401 ((N) * (sizeof (short int) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \
402 + 2 * YYSTACK_GAP_MAXIMUM)
404 /* Copy COUNT objects from FROM to TO. The source and destination do
407 # if defined (__GNUC__) && 1 < __GNUC__
408 # define YYCOPY(To, From, Count) \
409 __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
411 # define YYCOPY(To, From, Count) \
415 for (yyi = 0; yyi < (Count); yyi++) \
416 (To)[yyi] = (From)[yyi]; \
422 /* Relocate STACK from its old location to the new one. The
423 local variables YYSIZE and YYSTACKSIZE give the old and new number of
424 elements in the stack, and YYPTR gives the new location of the
425 stack. Advance YYPTR to a properly aligned location for the next
427 # define YYSTACK_RELOCATE(Stack) \
430 YYSIZE_T yynewbytes; \
431 YYCOPY (&yyptr->Stack, Stack, yysize); \
432 Stack = &yyptr->Stack; \
433 yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
434 yyptr += yynewbytes / sizeof (*yyptr); \
440 #if defined (__STDC__) || defined (__cplusplus)
441 typedef signed char yysigned_char
;
443 typedef short int yysigned_char
;
446 /* YYFINAL -- State number of the termination state. */
448 /* YYLAST -- Last index in YYTABLE. */
451 /* YYNTOKENS -- Number of terminals. */
453 /* YYNNTS -- Number of nonterminals. */
455 /* YYNRULES -- Number of rules. */
457 /* YYNRULES -- Number of states. */
458 #define YYNSTATES 108
460 /* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */
462 #define YYMAXUTOK 305
464 #define YYTRANSLATE(YYX) \
465 ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
467 /* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */
468 static const unsigned char yytranslate
[] =
470 0, 2, 2, 2, 2, 2, 2, 2, 2, 2,
471 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
472 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
473 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
474 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
475 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
476 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
477 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
478 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
479 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
480 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
481 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
482 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
483 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
484 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
485 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
486 2, 2, 2, 2, 2, 2, 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, 1, 2, 3, 4,
496 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
497 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
498 25, 26, 27, 28, 29, 30, 31, 32, 33, 34,
499 35, 36, 37, 38, 39, 40, 41, 42, 43, 44,
500 45, 46, 47, 48, 49, 50
504 /* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
506 static const unsigned char yyprhs
[] =
508 0, 0, 3, 8, 9, 12, 14, 16, 18, 22,
509 24, 26, 29, 32, 36, 38, 40, 42, 44, 48,
510 50, 52, 56, 58, 60, 63, 65, 67, 69, 71,
511 73, 75, 78, 80, 83, 86, 88, 90, 91, 95,
512 96, 100, 104, 108, 110, 112, 114, 115, 117, 119,
513 122, 124, 126, 129, 132, 136, 138, 141, 143, 146,
514 148, 151, 154, 155, 159, 161, 165, 168, 169, 172,
515 175, 179, 183, 187, 189, 191, 193, 195, 197, 198
518 /* YYRHS -- A `-1'-separated list of the rules' RHS. */
519 static const yysigned_char yyrhs
[] =
521 52, 0, -1, 53, 47, 65, 75, -1, -1, 53,
522 54, -1, 55, -1, 48, -1, 17, -1, 19, 74,
523 74, -1, 20, -1, 21, -1, 22, 4, -1, 23,
524 4, -1, 24, 42, 74, -1, 25, -1, 26, -1,
525 27, -1, 28, -1, 29, 42, 74, -1, 31, -1,
526 32, -1, 33, 42, 74, -1, 34, -1, 35, -1,
527 36, 74, -1, 38, -1, 39, -1, 40, -1, 43,
528 -1, 59, -1, 56, -1, 37, 71, -1, 10, -1,
529 8, 62, -1, 9, 62, -1, 18, -1, 30, -1,
530 -1, 6, 57, 64, -1, -1, 5, 58, 64, -1,
531 7, 41, 62, -1, 60, 61, 62, -1, 11, -1,
532 12, -1, 13, -1, -1, 41, -1, 71, -1, 62,
533 71, -1, 41, -1, 45, -1, 45, 4, -1, 45,
534 73, -1, 45, 4, 73, -1, 63, -1, 64, 63,
535 -1, 66, -1, 65, 66, -1, 67, -1, 55, 43,
536 -1, 1, 43, -1, -1, 46, 68, 69, -1, 70,
537 -1, 69, 44, 70, -1, 69, 43, -1, -1, 70,
538 71, -1, 70, 72, -1, 70, 14, 71, -1, 70,
539 15, 4, -1, 70, 16, 41, -1, 45, -1, 73,
540 -1, 50, -1, 3, -1, 3, -1, -1, 47, 49,
544 /* YYRLINE[YYN] -- source line where rule number YYN was defined. */
545 static const unsigned short int yyrline
[] =
547 0, 188, 188, 196, 198, 202, 203, 204, 205, 206,
548 207, 208, 209, 210, 211, 216, 220, 221, 222, 223,
549 224, 225, 226, 227, 228, 229, 230, 231, 232, 236,
550 237, 238, 242, 248, 255, 262, 266, 273, 273, 278,
551 278, 283, 293, 308, 309, 310, 314, 315, 321, 322,
552 327, 331, 336, 342, 348, 359, 360, 369, 370, 376,
553 377, 382, 389, 389, 393, 394, 395, 400, 401, 403,
554 405, 407, 409, 414, 415, 419, 425, 434, 439, 441
558 #if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE
559 /* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
560 First, the terminals, then, starting at YYNTOKENS, nonterminals. */
561 static const char *const yytname
[] =
563 "\"end of file\"", "error", "$undefined", "\"string\"", "\"integer\"",
564 "\"%token\"", "\"%nterm\"", "\"%type\"", "\"%destructor {...}\"",
565 "\"%printer {...}\"", "\"%union {...}\"", "\"%left\"", "\"%right\"",
566 "\"%nonassoc\"", "\"%prec\"", "\"%dprec\"", "\"%merge\"", "\"%debug\"",
567 "\"%default-prec\"", "\"%define\"", "\"%defines\"", "\"%error-verbose\"",
568 "\"%expect\"", "\"%expect-rr\"", "\"%file-prefix\"", "\"%glr-parser\"",
569 "\"%initial-action {...}\"", "\"%lex-param {...}\"", "\"%locations\"",
570 "\"%name-prefix\"", "\"%no-default-prec\"", "\"%no-lines\"",
571 "\"%nondeterministic-parser\"", "\"%output\"", "\"%parse-param {...}\"",
572 "\"%pure-parser\"", "\"%skeleton\"", "\"%start\"", "\"%token-table\"",
573 "\"%verbose\"", "\"%yacc\"", "\"type\"", "\"=\"", "\";\"", "\"|\"",
574 "\"identifier\"", "\"identifier:\"", "\"%%\"", "\"%{...%}\"",
575 "\"epilogue\"", "\"{...}\"", "$accept", "input", "declarations",
576 "declaration", "grammar_declaration", "symbol_declaration", "@1", "@2",
577 "precedence_declaration", "precedence_declarator", "type.opt",
578 "symbols.1", "symbol_def", "symbol_defs.1", "grammar",
579 "rules_or_grammar_declaration", "rules", "@3", "rhses.1", "rhs",
580 "symbol", "action", "string_as_id", "string_content", "epilogue.opt", 0
585 /* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
587 static const unsigned short int yytoknum
[] =
589 0, 256, 257, 258, 259, 260, 261, 262, 263, 264,
590 265, 266, 267, 268, 269, 270, 271, 272, 273, 274,
591 275, 276, 277, 278, 279, 280, 281, 282, 283, 284,
592 285, 286, 287, 288, 289, 290, 291, 292, 293, 294,
593 295, 296, 297, 298, 299, 300, 301, 302, 303, 304,
598 /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
599 static const unsigned char yyr1
[] =
601 0, 51, 52, 53, 53, 54, 54, 54, 54, 54,
602 54, 54, 54, 54, 54, 54, 54, 54, 54, 54,
603 54, 54, 54, 54, 54, 54, 54, 54, 54, 55,
604 55, 55, 55, 55, 55, 55, 55, 57, 56, 58,
605 56, 56, 59, 60, 60, 60, 61, 61, 62, 62,
606 63, 63, 63, 63, 63, 64, 64, 65, 65, 66,
607 66, 66, 68, 67, 69, 69, 69, 70, 70, 70,
608 70, 70, 70, 71, 71, 72, 73, 74, 75, 75
611 /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
612 static const unsigned char yyr2
[] =
614 0, 2, 4, 0, 2, 1, 1, 1, 3, 1,
615 1, 2, 2, 3, 1, 1, 1, 1, 3, 1,
616 1, 3, 1, 1, 2, 1, 1, 1, 1, 1,
617 1, 2, 1, 2, 2, 1, 1, 0, 3, 0,
618 3, 3, 3, 1, 1, 1, 0, 1, 1, 2,
619 1, 1, 2, 2, 3, 1, 2, 1, 2, 1,
620 2, 2, 0, 3, 1, 3, 2, 0, 2, 2,
621 3, 3, 3, 1, 1, 1, 1, 1, 0, 2
624 /* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
625 STATE-NUM when YYTABLE doesn't specify something else to do. Zero
626 means the default is an error. */
627 static const unsigned char yydefact
[] =
629 3, 0, 0, 1, 39, 37, 0, 0, 0, 32,
630 43, 44, 45, 7, 35, 0, 9, 10, 0, 0,
631 0, 14, 15, 16, 17, 0, 36, 19, 20, 0,
632 22, 23, 0, 0, 25, 26, 27, 28, 0, 6,
633 4, 5, 30, 29, 46, 0, 0, 0, 76, 73,
634 33, 48, 74, 34, 77, 0, 11, 12, 0, 0,
635 0, 24, 31, 0, 62, 0, 0, 57, 59, 47,
636 0, 50, 51, 55, 40, 38, 41, 49, 8, 13,
637 18, 21, 61, 67, 60, 0, 58, 2, 42, 52,
638 53, 56, 63, 64, 79, 54, 66, 67, 0, 0,
639 0, 75, 68, 69, 65, 70, 71, 72
642 /* YYDEFGOTO[NTERM-NUM]. */
643 static const yysigned_char yydefgoto
[] =
645 -1, 1, 2, 40, 65, 42, 46, 45, 43, 44,
646 70, 50, 73, 74, 66, 67, 68, 83, 92, 93,
650 /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
652 #define YYPACT_NINF -67
653 static const yysigned_char yypact
[] =
655 -67, 5, 110, -67, -67, -67, -34, 0, 0, -67,
656 -67, -67, -67, -67, -67, 13, -67, -67, 20, 31,
657 -17, -67, -67, -67, -67, -6, -67, -67, -67, -5,
658 -67, -67, 13, 0, -67, -67, -67, -67, 68, -67,
659 -67, -67, -67, -67, -3, -37, -37, 0, -67, -67,
660 0, -67, -67, 0, -67, 13, -67, -67, 13, 13,
661 13, -67, -67, -2, -67, 3, 21, -67, -67, -67,
662 0, -67, 6, -67, -37, -37, 0, -67, -67, -67,
663 -67, -67, -67, -67, -67, 1, -67, -67, 0, 39,
664 -67, -67, -32, -1, -67, -67, -67, -67, 0, 43,
665 7, -67, -67, -67, -1, -67, -67, -67
668 /* YYPGOTO[NTERM-NUM]. */
669 static const yysigned_char yypgoto
[] =
671 -67, -67, -67, -67, 50, -67, -67, -67, -67, -67,
672 -67, -7, -56, 8, -67, -13, -67, -67, -67, -41,
673 -33, -67, -66, 29, -67
676 /* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If
677 positive, shift that token. If negative, reduce the rule which
678 number is the opposite. If zero, do what YYDEFACT says.
679 If YYTABLE_NINF, syntax error. */
680 #define YYTABLE_NINF -79
681 static const yysigned_char yytable
[] =
683 62, 53, 48, 48, 71, 3, 90, 47, 72, 48,
684 89, 96, 97, 98, 99, 100, 54, 77, 91, 91,
685 77, -78, 63, 95, 56, 58, 4, 5, 6, 7,
686 8, 9, 10, 11, 12, 57, 59, 60, 69, 14,
687 76, 82, 48, 77, 49, 49, 84, 106, 107, 101,
688 94, 26, 41, 86, 75, 77, 104, 0, 33, 0,
689 102, 61, 0, 88, 0, 105, 0, 64, 85, 63,
690 0, 102, 0, 4, 5, 6, 7, 8, 9, 10,
691 11, 12, 0, 0, 78, 0, 14, 79, 80, 81,
692 0, 0, 0, 0, 0, 0, 0, 0, 26, 0,
693 0, 0, 0, 0, 0, 33, 0, 0, 0, 0,
694 0, 0, 0, 0, 64, 4, 5, 6, 7, 8,
695 9, 10, 11, 12, 0, 0, 0, 13, 14, 15,
696 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,
697 26, 27, 28, 29, 30, 31, 32, 33, 34, 35,
698 36, 0, 0, 37, 0, 0, 0, 38, 39
701 static const yysigned_char yycheck
[] =
703 33, 8, 3, 3, 41, 0, 72, 41, 45, 3,
704 4, 43, 44, 14, 15, 16, 3, 50, 74, 75,
705 53, 0, 1, 89, 4, 42, 5, 6, 7, 8,
706 9, 10, 11, 12, 13, 4, 42, 42, 41, 18,
707 47, 43, 3, 76, 45, 45, 43, 4, 41, 50,
708 49, 30, 2, 66, 46, 88, 97, -1, 37, -1,
709 93, 32, -1, 70, -1, 98, -1, 46, 47, 1,
710 -1, 104, -1, 5, 6, 7, 8, 9, 10, 11,
711 12, 13, -1, -1, 55, -1, 18, 58, 59, 60,
712 -1, -1, -1, -1, -1, -1, -1, -1, 30, -1,
713 -1, -1, -1, -1, -1, 37, -1, -1, -1, -1,
714 -1, -1, -1, -1, 46, 5, 6, 7, 8, 9,
715 10, 11, 12, 13, -1, -1, -1, 17, 18, 19,
716 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
717 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
718 40, -1, -1, 43, -1, -1, -1, 47, 48
721 /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
722 symbol of state STATE-NUM. */
723 static const unsigned char yystos
[] =
725 0, 52, 53, 0, 5, 6, 7, 8, 9, 10,
726 11, 12, 13, 17, 18, 19, 20, 21, 22, 23,
727 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
728 34, 35, 36, 37, 38, 39, 40, 43, 47, 48,
729 54, 55, 56, 59, 60, 58, 57, 41, 3, 45,
730 62, 71, 73, 62, 3, 74, 4, 4, 42, 42,
731 42, 74, 71, 1, 46, 55, 65, 66, 67, 41,
732 61, 41, 45, 63, 64, 64, 62, 71, 74, 74,
733 74, 74, 43, 68, 43, 47, 66, 75, 62, 4,
734 73, 63, 69, 70, 49, 73, 43, 44, 14, 15,
735 16, 50, 71, 72, 70, 71, 4, 41
738 #define yyerrok (yyerrstatus = 0)
739 #define yyclearin (yychar = YYEMPTY)
743 #define YYACCEPT goto yyacceptlab
744 #define YYABORT goto yyabortlab
745 #define YYERROR goto yyerrorlab
748 /* Like YYERROR except do call yyerror. This remains here temporarily
749 to ease the transition to the new meaning of YYERROR, for GCC.
750 Once GCC version 2 has supplanted version 1, this can go. */
752 #define YYFAIL goto yyerrlab
754 #define YYRECOVERING() (!!yyerrstatus)
756 #define YYBACKUP(Token, Value) \
758 if (yychar == YYEMPTY && yylen == 1) \
762 yytoken = YYTRANSLATE (yychar); \
768 yyerror (YY_("syntax error: cannot back up")); \
775 #define YYERRCODE 256
778 /* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N].
779 If N is 0, then set CURRENT to the empty location which ends
780 the previous symbol: RHS[0] (always defined). */
782 #define YYRHSLOC(Rhs, K) ((Rhs)[K])
783 #ifndef YYLLOC_DEFAULT
784 # define YYLLOC_DEFAULT(Current, Rhs, N) \
788 (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \
789 (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \
790 (Current).last_line = YYRHSLOC (Rhs, N).last_line; \
791 (Current).last_column = YYRHSLOC (Rhs, N).last_column; \
795 (Current).first_line = (Current).last_line = \
796 YYRHSLOC (Rhs, 0).last_line; \
797 (Current).first_column = (Current).last_column = \
798 YYRHSLOC (Rhs, 0).last_column; \
804 /* YY_LOCATION_PRINT -- Print the location on the stream.
805 This macro was not mandated originally: define only if we know
806 we won't break user code: when these are the locations we know. */
808 #ifndef YY_LOCATION_PRINT
809 # if YYLTYPE_IS_TRIVIAL
810 # define YY_LOCATION_PRINT(File, Loc) \
811 fprintf (File, "%d.%d-%d.%d", \
812 (Loc).first_line, (Loc).first_column, \
813 (Loc).last_line, (Loc).last_column)
815 # define YY_LOCATION_PRINT(File, Loc) ((void) 0)
820 /* YYLEX -- calling `yylex' with the right arguments. */
823 # define YYLEX yylex (&yylval, &yylloc, YYLEX_PARAM)
825 # define YYLEX yylex (&yylval, &yylloc)
828 /* Enable debugging if requested. */
832 # include <stdio.h> /* INFRINGES ON USER NAME SPACE */
833 # define YYFPRINTF fprintf
836 # define YYDPRINTF(Args) \
842 # define YY_SYMBOL_PRINT(Title, Type, Value, Location) \
846 YYFPRINTF (stderr, "%s ", Title); \
847 yysymprint (stderr, \
848 Type, Value, Location); \
849 YYFPRINTF (stderr, "\n"); \
853 /*------------------------------------------------------------------.
854 | yy_stack_print -- Print the state stack from its BOTTOM up to its |
856 `------------------------------------------------------------------*/
858 #if defined (__STDC__) || defined (__cplusplus)
860 yy_stack_print (short int *bottom
, short int *top
)
863 yy_stack_print (bottom
, top
)
868 YYFPRINTF (stderr
, "Stack now");
869 for (/* Nothing. */; bottom
<= top
; ++bottom
)
870 YYFPRINTF (stderr
, " %d", *bottom
);
871 YYFPRINTF (stderr
, "\n");
874 # define YY_STACK_PRINT(Bottom, Top) \
877 yy_stack_print ((Bottom), (Top)); \
881 /*------------------------------------------------.
882 | Report that the YYRULE is going to be reduced. |
883 `------------------------------------------------*/
885 #if defined (__STDC__) || defined (__cplusplus)
887 yy_reduce_print (int yyrule
)
890 yy_reduce_print (yyrule
)
895 unsigned long int yylno
= yyrline
[yyrule
];
896 YYFPRINTF (stderr
, "Reducing stack by rule %d (line %lu), ",
898 /* Print the symbols being reduced, and their result. */
899 for (yyi
= yyprhs
[yyrule
]; 0 <= yyrhs
[yyi
]; yyi
++)
900 YYFPRINTF (stderr
, "%s ", yytname
[yyrhs
[yyi
]]);
901 YYFPRINTF (stderr
, "-> %s\n", yytname
[yyr1
[yyrule
]]);
904 # define YY_REDUCE_PRINT(Rule) \
907 yy_reduce_print (Rule); \
910 /* Nonzero means print parse trace. It is left uninitialized so that
911 multiple parsers can coexist. */
914 # define YYDPRINTF(Args)
915 # define YY_SYMBOL_PRINT(Title, Type, Value, Location)
916 # define YY_STACK_PRINT(Bottom, Top)
917 # define YY_REDUCE_PRINT(Rule)
918 #endif /* !YYDEBUG */
921 /* YYINITDEPTH -- initial size of the parser's stacks. */
923 # define YYINITDEPTH 200
926 /* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
927 if the built-in stack extension method is used).
929 Do not make this value too large; the results are undefined if
930 YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH)
931 evaluated with infinite-precision integer arithmetic. */
934 # define YYMAXDEPTH 10000
942 # if defined (__GLIBC__) && defined (_STRING_H)
943 # define yystrlen strlen
945 /* Return the length of YYSTR. */
947 # if defined (__STDC__) || defined (__cplusplus)
948 yystrlen (const char *yystr
)
954 const char *yys
= yystr
;
956 while (*yys
++ != '\0')
959 return yys
- yystr
- 1;
965 # if defined (__GLIBC__) && defined (_STRING_H) && defined (_GNU_SOURCE)
966 # define yystpcpy stpcpy
968 /* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
971 # if defined (__STDC__) || defined (__cplusplus)
972 yystpcpy (char *yydest
, const char *yysrc
)
974 yystpcpy (yydest
, yysrc
)
980 const char *yys
= yysrc
;
982 while ((*yyd
++ = *yys
++) != '\0')
991 /* Copy to YYRES the contents of YYSTR after stripping away unnecessary
992 quotes and backslashes, so that it's suitable for yyerror. The
993 heuristic is that double-quoting is unnecessary unless the string
994 contains an apostrophe, a comma, or backslash (other than
995 backslash-backslash). YYSTR is taken from yytname. If YYRES is
996 null, do not copy; instead, return the length of what the result
999 yytnamerr (char *yyres
, const char *yystr
)
1004 char const *yyp
= yystr
;
1011 goto do_not_strip_quotes
;
1015 goto do_not_strip_quotes
;
1028 do_not_strip_quotes
: ;
1032 return yystrlen (yystr
);
1034 return yystpcpy (yyres
, yystr
) - yyres
;
1038 /* Copy into YYRESULT an error message about the unexpected token
1039 YYCHAR while in state YYSTATE. Return the number of bytes copied,
1040 including the terminating null byte. If YYRESULT is null, do not
1041 copy anything; just return the number of bytes that would be
1042 copied. As a special case, return 0 if an ordinary "syntax error"
1043 message will do. Return YYSIZE_MAXIMUM if overflow occurs during
1044 size calculation. */
1046 yysyntax_error (char *yyresult
, int yystate
, int yychar
)
1048 int yyn
= yypact
[yystate
];
1050 if (! (YYPACT_NINF
< yyn
&& yyn
< YYLAST
))
1054 int yytype
= YYTRANSLATE (yychar
);
1055 YYSIZE_T yysize0
= yytnamerr (0, yytname
[yytype
]);
1056 YYSIZE_T yysize
= yysize0
;
1058 int yysize_overflow
= 0;
1059 enum { YYERROR_VERBOSE_ARGS_MAXIMUM
= 5 };
1060 char const *yyarg
[YYERROR_VERBOSE_ARGS_MAXIMUM
];
1064 /* This is so xgettext sees the translatable formats that are
1065 constructed on the fly. */
1066 YY_("syntax error, unexpected %s");
1067 YY_("syntax error, unexpected %s, expecting %s");
1068 YY_("syntax error, unexpected %s, expecting %s or %s");
1069 YY_("syntax error, unexpected %s, expecting %s or %s or %s");
1070 YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s");
1074 static char const yyunexpected
[] = "syntax error, unexpected %s";
1075 static char const yyexpecting
[] = ", expecting %s";
1076 static char const yyor
[] = " or %s";
1077 char yyformat
[sizeof yyunexpected
1078 + sizeof yyexpecting
- 1
1079 + ((YYERROR_VERBOSE_ARGS_MAXIMUM
- 2)
1080 * (sizeof yyor
- 1))];
1081 char const *yyprefix
= yyexpecting
;
1083 /* Start YYX at -YYN if negative to avoid negative indexes in
1085 int yyxbegin
= yyn
< 0 ? -yyn
: 0;
1087 /* Stay within bounds of both yycheck and yytname. */
1088 int yychecklim
= YYLAST
- yyn
;
1089 int yyxend
= yychecklim
< YYNTOKENS
? yychecklim
: YYNTOKENS
;
1092 yyarg
[0] = yytname
[yytype
];
1093 yyfmt
= yystpcpy (yyformat
, yyunexpected
);
1095 for (yyx
= yyxbegin
; yyx
< yyxend
; ++yyx
)
1096 if (yycheck
[yyx
+ yyn
] == yyx
&& yyx
!= YYTERROR
)
1098 if (yycount
== YYERROR_VERBOSE_ARGS_MAXIMUM
)
1102 yyformat
[sizeof yyunexpected
- 1] = '\0';
1105 yyarg
[yycount
++] = yytname
[yyx
];
1106 yysize1
= yysize
+ yytnamerr (0, yytname
[yyx
]);
1107 yysize_overflow
|= yysize1
< yysize
;
1109 yyfmt
= yystpcpy (yyfmt
, yyprefix
);
1113 yyf
= YY_(yyformat
);
1114 yysize1
= yysize
+ yystrlen (yyf
);
1115 yysize_overflow
|= yysize1
< yysize
;
1118 if (yysize_overflow
)
1119 return YYSIZE_MAXIMUM
;
1123 /* Avoid sprintf, as that infringes on the user's name space.
1124 Don't have undefined behavior even if the translation
1125 produced a string with the wrong number of "%s"s. */
1126 char *yyp
= yyresult
;
1128 while ((*yyp
= *yyf
))
1130 if (*yyp
== '%' && yyf
[1] == 's' && yyi
< yycount
)
1132 yyp
+= yytnamerr (yyp
, yyarg
[yyi
++]);
1145 #endif /* YYERROR_VERBOSE */
1149 /*--------------------------------.
1150 | Print this symbol on YYOUTPUT. |
1151 `--------------------------------*/
1153 #if defined (__STDC__) || defined (__cplusplus)
1155 yysymprint (FILE *yyoutput
, int yytype
, YYSTYPE
*yyvaluep
, YYLTYPE
*yylocationp
)
1158 yysymprint (yyoutput
, yytype
, yyvaluep
, yylocationp
)
1162 YYLTYPE
*yylocationp
;
1165 /* Pacify ``unused variable'' warnings. */
1169 if (yytype
< YYNTOKENS
)
1170 YYFPRINTF (yyoutput
, "token %s (", yytname
[yytype
]);
1172 YYFPRINTF (yyoutput
, "nterm %s (", yytname
[yytype
]);
1174 YY_LOCATION_PRINT (yyoutput
, *yylocationp
);
1175 YYFPRINTF (yyoutput
, ": ");
1178 if (yytype
< YYNTOKENS
)
1179 YYPRINT (yyoutput
, yytoknum
[yytype
], *yyvaluep
);
1183 case 3: /* "\"string\"" */
1184 #line 165 "parse-gram.y"
1185 { fprintf (stderr
, "\"%s\"", (yyvaluep
->chars
)); };
1186 #line 1187 "parse-gram.c"
1188 case 4: /* "\"integer\"" */
1189 #line 178 "parse-gram.y"
1190 { fprintf (stderr
, "%d", (yyvaluep
->integer
)); };
1191 #line 1192 "parse-gram.c"
1193 case 8: /* "\"%destructor {...}\"" */
1194 #line 167 "parse-gram.y"
1195 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1196 #line 1197 "parse-gram.c"
1198 case 9: /* "\"%printer {...}\"" */
1199 #line 171 "parse-gram.y"
1200 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1201 #line 1202 "parse-gram.c"
1203 case 10: /* "\"%union {...}\"" */
1204 #line 172 "parse-gram.y"
1205 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1206 #line 1207 "parse-gram.c"
1208 case 26: /* "\"%initial-action {...}\"" */
1209 #line 168 "parse-gram.y"
1210 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1211 #line 1212 "parse-gram.c"
1213 case 27: /* "\"%lex-param {...}\"" */
1214 #line 169 "parse-gram.y"
1215 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1216 #line 1217 "parse-gram.c"
1218 case 34: /* "\"%parse-param {...}\"" */
1219 #line 170 "parse-gram.y"
1220 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1221 #line 1222 "parse-gram.c"
1223 case 41: /* "\"type\"" */
1224 #line 176 "parse-gram.y"
1225 { fprintf (stderr
, "<%s>", (yyvaluep
->uniqstr
)); };
1226 #line 1227 "parse-gram.c"
1228 case 45: /* "\"identifier\"" */
1229 #line 180 "parse-gram.y"
1230 { fprintf (stderr
, "%s", (yyvaluep
->symbol
)->tag
); };
1231 #line 1232 "parse-gram.c"
1233 case 46: /* "\"identifier:\"" */
1234 #line 182 "parse-gram.y"
1235 { fprintf (stderr
, "%s:", (yyvaluep
->symbol
)->tag
); };
1236 #line 1237 "parse-gram.c"
1238 case 48: /* "\"%{...%}\"" */
1239 #line 174 "parse-gram.y"
1240 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1241 #line 1242 "parse-gram.c"
1243 case 49: /* "\"epilogue\"" */
1244 #line 174 "parse-gram.y"
1245 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1246 #line 1247 "parse-gram.c"
1248 case 50: /* "\"{...}\"" */
1249 #line 173 "parse-gram.y"
1250 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1251 #line 1252 "parse-gram.c"
1253 case 71: /* "symbol" */
1254 #line 180 "parse-gram.y"
1255 { fprintf (stderr
, "%s", (yyvaluep
->symbol
)->tag
); };
1256 #line 1257 "parse-gram.c"
1258 case 72: /* "action" */
1259 #line 173 "parse-gram.y"
1260 { fprintf (stderr
, "{\n%s\n}", (yyvaluep
->chars
)); };
1261 #line 1262 "parse-gram.c"
1263 case 73: /* "string_as_id" */
1264 #line 180 "parse-gram.y"
1265 { fprintf (stderr
, "%s", (yyvaluep
->symbol
)->tag
); };
1266 #line 1267 "parse-gram.c"
1268 case 74: /* "string_content" */
1269 #line 165 "parse-gram.y"
1270 { fprintf (stderr
, "\"%s\"", (yyvaluep
->chars
)); };
1271 #line 1272 "parse-gram.c"
1276 YYFPRINTF (yyoutput
, ")");
1279 #endif /* ! YYDEBUG */
1280 /*-----------------------------------------------.
1281 | Release the memory associated to this symbol. |
1282 `-----------------------------------------------*/
1284 #if defined (__STDC__) || defined (__cplusplus)
1286 yydestruct (const char *yymsg
, int yytype
, YYSTYPE
*yyvaluep
, YYLTYPE
*yylocationp
)
1289 yydestruct (yymsg
, yytype
, yyvaluep
, yylocationp
)
1293 YYLTYPE
*yylocationp
;
1296 /* Pacify ``unused variable'' warnings. */
1302 YY_SYMBOL_PRINT (yymsg
, yytype
, yyvaluep
, yylocationp
);
1313 /* Prevent warnings from -Wmissing-prototypes. */
1315 #ifdef YYPARSE_PARAM
1316 # if defined (__STDC__) || defined (__cplusplus)
1317 int yyparse (void *YYPARSE_PARAM
);
1321 #else /* ! YYPARSE_PARAM */
1322 #if defined (__STDC__) || defined (__cplusplus)
1327 #endif /* ! YYPARSE_PARAM */
1338 #ifdef YYPARSE_PARAM
1339 # if defined (__STDC__) || defined (__cplusplus)
1340 int yyparse (void *YYPARSE_PARAM
)
1342 int yyparse (YYPARSE_PARAM
)
1343 void *YYPARSE_PARAM
;
1345 #else /* ! YYPARSE_PARAM */
1346 #if defined (__STDC__) || defined (__cplusplus)
1356 /* The look-ahead symbol. */
1359 /* The semantic value of the look-ahead symbol. */
1362 /* Number of syntax errors so far. */
1364 /* Location data for the look-ahead symbol. */
1370 /* Number of tokens to shift before error messages enabled. */
1372 /* Look-ahead token as an internal (translated) token number. */
1375 /* Buffer for error messages, and its allocated size. */
1377 char *yymsg
= yymsgbuf
;
1378 YYSIZE_T yymsg_alloc
= sizeof yymsgbuf
;
1381 /* Three stacks and their tools:
1382 `yyss': related to states,
1383 `yyvs': related to semantic values,
1384 `yyls': related to locations.
1386 Refer to the stacks thru separate pointers, to allow yyoverflow
1387 to reallocate them elsewhere. */
1389 /* The state stack. */
1390 short int yyssa
[YYINITDEPTH
];
1391 short int *yyss
= yyssa
;
1394 /* The semantic value stack. */
1395 YYSTYPE yyvsa
[YYINITDEPTH
];
1396 YYSTYPE
*yyvs
= yyvsa
;
1399 /* The location stack. */
1400 YYLTYPE yylsa
[YYINITDEPTH
];
1401 YYLTYPE
*yyls
= yylsa
;
1403 /* The locations where the error started and ended. */
1404 YYLTYPE yyerror_range
[2];
1406 #define YYPOPSTACK (yyvsp--, yyssp--, yylsp--)
1408 YYSIZE_T yystacksize
= YYINITDEPTH
;
1410 /* The variables used to return semantic value and location from the
1415 /* When reducing, the number of symbols on the RHS of the reduced
1419 YYDPRINTF ((stderr
, "Starting parse\n"));
1424 yychar
= YYEMPTY
; /* Cause a token to be read. */
1426 /* Initialize stack pointers.
1427 Waste one element of value and location stack
1428 so that they stay on the same level as the state stack.
1429 The wasted elements are never initialized. */
1434 #if YYLTYPE_IS_TRIVIAL
1435 /* Initialize the default location before parsing starts. */
1436 yylloc
.first_line
= yylloc
.last_line
= 1;
1437 yylloc
.first_column
= yylloc
.last_column
= 0;
1441 /* User initialization code. */
1442 #line 69 "parse-gram.y"
1444 /* Bison's grammar can initial empty locations, hence a default
1445 location is needed. */
1446 yylloc
.start
.file
= yylloc
.end
.file
= current_file
;
1447 yylloc
.start
.line
= yylloc
.end
.line
= 1;
1448 yylloc
.start
.column
= yylloc
.end
.column
= 0;
1450 /* Line 1053 of yacc.c. */
1451 #line 1452 "parse-gram.c"
1455 /*------------------------------------------------------------.
1456 | yynewstate -- Push a new state, which is found in yystate. |
1457 `------------------------------------------------------------*/
1459 /* In all cases, when you get here, the value and location stacks
1460 have just been pushed. so pushing a state here evens the stacks.
1467 if (yyss
+ yystacksize
- 1 <= yyssp
)
1469 /* Get the current used size of the three stacks, in elements. */
1470 YYSIZE_T yysize
= yyssp
- yyss
+ 1;
1474 /* Give user a chance to reallocate the stack. Use copies of
1475 these so that the &'s don't force the real ones into
1477 YYSTYPE
*yyvs1
= yyvs
;
1478 short int *yyss1
= yyss
;
1479 YYLTYPE
*yyls1
= yyls
;
1481 /* Each stack pointer address is followed by the size of the
1482 data in use in that stack, in bytes. This used to be a
1483 conditional around just the two extra args, but that might
1484 be undefined if yyoverflow is a macro. */
1485 yyoverflow (YY_("memory exhausted"),
1486 &yyss1
, yysize
* sizeof (*yyssp
),
1487 &yyvs1
, yysize
* sizeof (*yyvsp
),
1488 &yyls1
, yysize
* sizeof (*yylsp
),
1494 #else /* no yyoverflow */
1495 # ifndef YYSTACK_RELOCATE
1496 goto yyexhaustedlab
;
1498 /* Extend the stack our own way. */
1499 if (YYMAXDEPTH
<= yystacksize
)
1500 goto yyexhaustedlab
;
1502 if (YYMAXDEPTH
< yystacksize
)
1503 yystacksize
= YYMAXDEPTH
;
1506 short int *yyss1
= yyss
;
1507 union yyalloc
*yyptr
=
1508 (union yyalloc
*) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize
));
1510 goto yyexhaustedlab
;
1511 YYSTACK_RELOCATE (yyss
);
1512 YYSTACK_RELOCATE (yyvs
);
1513 YYSTACK_RELOCATE (yyls
);
1514 # undef YYSTACK_RELOCATE
1516 YYSTACK_FREE (yyss1
);
1519 #endif /* no yyoverflow */
1521 yyssp
= yyss
+ yysize
- 1;
1522 yyvsp
= yyvs
+ yysize
- 1;
1523 yylsp
= yyls
+ yysize
- 1;
1525 YYDPRINTF ((stderr
, "Stack size increased to %lu\n",
1526 (unsigned long int) yystacksize
));
1528 if (yyss
+ yystacksize
- 1 <= yyssp
)
1532 YYDPRINTF ((stderr
, "Entering state %d\n", yystate
));
1541 /* Do appropriate processing given the current state. */
1542 /* Read a look-ahead token if we need one and don't already have one. */
1545 /* First try to decide what to do without reference to look-ahead token. */
1547 yyn
= yypact
[yystate
];
1548 if (yyn
== YYPACT_NINF
)
1551 /* Not known => get a look-ahead token if don't already have one. */
1553 /* YYCHAR is either YYEMPTY or YYEOF or a valid look-ahead symbol. */
1554 if (yychar
== YYEMPTY
)
1556 YYDPRINTF ((stderr
, "Reading a token: "));
1560 if (yychar
<= YYEOF
)
1562 yychar
= yytoken
= YYEOF
;
1563 YYDPRINTF ((stderr
, "Now at end of input.\n"));
1567 yytoken
= YYTRANSLATE (yychar
);
1568 YY_SYMBOL_PRINT ("Next token is", yytoken
, &yylval
, &yylloc
);
1571 /* If the proper action on seeing token YYTOKEN is to reduce or to
1572 detect an error, take that action. */
1574 if (yyn
< 0 || YYLAST
< yyn
|| yycheck
[yyn
] != yytoken
)
1579 if (yyn
== 0 || yyn
== YYTABLE_NINF
)
1588 /* Shift the look-ahead token. */
1589 YY_SYMBOL_PRINT ("Shifting", yytoken
, &yylval
, &yylloc
);
1591 /* Discard the token being shifted unless it is eof. */
1592 if (yychar
!= YYEOF
)
1598 /* Count tokens shifted since error; after three, turn off error
1607 /*-----------------------------------------------------------.
1608 | yydefault -- do the default action for the current state. |
1609 `-----------------------------------------------------------*/
1611 yyn
= yydefact
[yystate
];
1617 /*-----------------------------.
1618 | yyreduce -- Do a reduction. |
1619 `-----------------------------*/
1621 /* yyn is the number of a rule to reduce with. */
1624 /* If YYLEN is nonzero, implement the default value of the action:
1627 Otherwise, the following line sets YYVAL to garbage.
1628 This behavior is undocumented and Bison
1629 users should not rely upon it. Assigning to YYVAL
1630 unconditionally makes the parser a bit smaller, and it avoids a
1631 GCC warning that YYVAL may be used uninitialized. */
1632 yyval
= yyvsp
[1-yylen
];
1634 /* Default location. */
1635 YYLLOC_DEFAULT (yyloc
, yylsp
- yylen
, yylen
);
1636 YY_REDUCE_PRINT (yyn
);
1640 #line 203 "parse-gram.y"
1641 { prologue_augment ((yyvsp
[0].chars
), (yylsp
[0])); }
1645 #line 204 "parse-gram.y"
1646 { debug_flag
= true; }
1650 #line 205 "parse-gram.y"
1651 { muscle_insert ((yyvsp
[-1].chars
), (yyvsp
[0].chars
)); }
1655 #line 206 "parse-gram.y"
1656 { defines_flag
= true; }
1660 #line 207 "parse-gram.y"
1661 { error_verbose
= true; }
1665 #line 208 "parse-gram.y"
1666 { expected_sr_conflicts
= (yyvsp
[0].integer
); }
1670 #line 209 "parse-gram.y"
1671 { expected_rr_conflicts
= (yyvsp
[0].integer
); }
1675 #line 210 "parse-gram.y"
1676 { spec_file_prefix
= (yyvsp
[0].chars
); }
1680 #line 212 "parse-gram.y"
1682 nondeterministic_parser
= true;
1688 #line 217 "parse-gram.y"
1690 muscle_code_grow ("initial_action", (yyvsp
[0].chars
), (yylsp
[0]));
1695 #line 220 "parse-gram.y"
1696 { add_param ("lex_param", (yyvsp
[0].chars
), (yylsp
[0])); }
1700 #line 221 "parse-gram.y"
1701 { locations_flag
= true; }
1705 #line 222 "parse-gram.y"
1706 { spec_name_prefix
= (yyvsp
[0].chars
); }
1710 #line 223 "parse-gram.y"
1711 { no_lines_flag
= true; }
1715 #line 224 "parse-gram.y"
1716 { nondeterministic_parser
= true; }
1720 #line 225 "parse-gram.y"
1721 { spec_outfile
= (yyvsp
[0].chars
); }
1725 #line 226 "parse-gram.y"
1726 { add_param ("parse_param", (yyvsp
[0].chars
), (yylsp
[0])); }
1730 #line 227 "parse-gram.y"
1731 { pure_parser
= true; }
1735 #line 228 "parse-gram.y"
1736 { skeleton
= (yyvsp
[0].chars
); }
1740 #line 229 "parse-gram.y"
1741 { token_table_flag
= true; }
1745 #line 230 "parse-gram.y"
1746 { report_flag
= report_states
; }
1750 #line 231 "parse-gram.y"
1751 { yacc_flag
= true; }
1755 #line 239 "parse-gram.y"
1757 grammar_start_symbol_set ((yyvsp
[0].symbol
), (yylsp
[0]));
1762 #line 243 "parse-gram.y"
1765 MUSCLE_INSERT_INT ("stype_line", (yylsp
[0]).start
.line
);
1766 muscle_insert ("stype", (yyvsp
[0].chars
));
1771 #line 249 "parse-gram.y"
1774 for (list
= (yyvsp
[0].list
); list
; list
= list
->next
)
1775 symbol_destructor_set (list
->sym
, (yyvsp
[-1].chars
), (yylsp
[-1]));
1776 symbol_list_free ((yyvsp
[0].list
));
1781 #line 256 "parse-gram.y"
1784 for (list
= (yyvsp
[0].list
); list
; list
= list
->next
)
1785 symbol_printer_set (list
->sym
, (yyvsp
[-1].chars
), list
->location
);
1786 symbol_list_free ((yyvsp
[0].list
));
1791 #line 263 "parse-gram.y"
1793 default_prec
= true;
1798 #line 267 "parse-gram.y"
1800 default_prec
= false;
1805 #line 273 "parse-gram.y"
1806 { current_class
= nterm_sym
; }
1810 #line 274 "parse-gram.y"
1812 current_class
= unknown_sym
;
1813 current_type
= NULL
;
1818 #line 278 "parse-gram.y"
1819 { current_class
= token_sym
; }
1823 #line 279 "parse-gram.y"
1825 current_class
= unknown_sym
;
1826 current_type
= NULL
;
1831 #line 284 "parse-gram.y"
1834 for (list
= (yyvsp
[0].list
); list
; list
= list
->next
)
1835 symbol_type_set (list
->sym
, (yyvsp
[-1].uniqstr
), (yylsp
[-1]));
1836 symbol_list_free ((yyvsp
[0].list
));
1841 #line 294 "parse-gram.y"
1845 for (list
= (yyvsp
[0].list
); list
; list
= list
->next
)
1847 symbol_type_set (list
->sym
, current_type
, (yylsp
[-1]));
1848 symbol_precedence_set (list
->sym
, current_prec
, (yyvsp
[-2].assoc
), (yylsp
[-2]));
1850 symbol_list_free ((yyvsp
[0].list
));
1851 current_type
= NULL
;
1856 #line 308 "parse-gram.y"
1857 { (yyval
.assoc
) = left_assoc
; }
1861 #line 309 "parse-gram.y"
1862 { (yyval
.assoc
) = right_assoc
; }
1866 #line 310 "parse-gram.y"
1867 { (yyval
.assoc
) = non_assoc
; }
1871 #line 314 "parse-gram.y"
1872 { current_type
= NULL
; }
1876 #line 315 "parse-gram.y"
1877 { current_type
= (yyvsp
[0].uniqstr
); }
1881 #line 321 "parse-gram.y"
1882 { (yyval
.list
) = symbol_list_new ((yyvsp
[0].symbol
), (yylsp
[0])); }
1886 #line 322 "parse-gram.y"
1887 { (yyval
.list
) = symbol_list_prepend ((yyvsp
[-1].list
), (yyvsp
[0].symbol
), (yylsp
[0])); }
1891 #line 328 "parse-gram.y"
1893 current_type
= (yyvsp
[0].uniqstr
);
1898 #line 332 "parse-gram.y"
1900 symbol_class_set ((yyvsp
[0].symbol
), current_class
, (yylsp
[0]));
1901 symbol_type_set ((yyvsp
[0].symbol
), current_type
, (yylsp
[0]));
1906 #line 337 "parse-gram.y"
1908 symbol_class_set ((yyvsp
[-1].symbol
), current_class
, (yylsp
[-1]));
1909 symbol_type_set ((yyvsp
[-1].symbol
), current_type
, (yylsp
[-1]));
1910 symbol_user_token_number_set ((yyvsp
[-1].symbol
), (yyvsp
[0].integer
), (yylsp
[0]));
1915 #line 343 "parse-gram.y"
1917 symbol_class_set ((yyvsp
[-1].symbol
), current_class
, (yylsp
[-1]));
1918 symbol_type_set ((yyvsp
[-1].symbol
), current_type
, (yylsp
[-1]));
1919 symbol_make_alias ((yyvsp
[-1].symbol
), (yyvsp
[0].symbol
), (yyloc
));
1924 #line 349 "parse-gram.y"
1926 symbol_class_set ((yyvsp
[-2].symbol
), current_class
, (yylsp
[-2]));
1927 symbol_type_set ((yyvsp
[-2].symbol
), current_type
, (yylsp
[-2]));
1928 symbol_user_token_number_set ((yyvsp
[-2].symbol
), (yyvsp
[-1].integer
), (yylsp
[-1]));
1929 symbol_make_alias ((yyvsp
[-2].symbol
), (yyvsp
[0].symbol
), (yyloc
));
1934 #line 378 "parse-gram.y"
1937 complain_at ((yyloc
), _("POSIX forbids declarations in the grammar"));
1942 #line 383 "parse-gram.y"
1949 #line 389 "parse-gram.y"
1950 { current_lhs
= (yyvsp
[0].symbol
); current_lhs_location
= (yylsp
[0]); }
1954 #line 393 "parse-gram.y"
1955 { grammar_rule_end ((yylsp
[0])); }
1959 #line 394 "parse-gram.y"
1960 { grammar_rule_end ((yylsp
[0])); }
1964 #line 400 "parse-gram.y"
1965 { grammar_rule_begin (current_lhs
, current_lhs_location
); }
1969 #line 402 "parse-gram.y"
1970 { grammar_current_rule_symbol_append ((yyvsp
[0].symbol
), (yylsp
[0])); }
1974 #line 404 "parse-gram.y"
1975 { grammar_current_rule_action_append ((yyvsp
[0].chars
), (yylsp
[0])); }
1979 #line 406 "parse-gram.y"
1980 { grammar_current_rule_prec_set ((yyvsp
[0].symbol
), (yylsp
[0])); }
1984 #line 408 "parse-gram.y"
1985 { grammar_current_rule_dprec_set ((yyvsp
[0].integer
), (yylsp
[0])); }
1989 #line 410 "parse-gram.y"
1990 { grammar_current_rule_merge_set ((yyvsp
[0].uniqstr
), (yylsp
[0])); }
1994 #line 414 "parse-gram.y"
1995 { (yyval
.symbol
) = (yyvsp
[0].symbol
); }
1999 #line 415 "parse-gram.y"
2000 { (yyval
.symbol
) = (yyvsp
[0].symbol
); }
2004 #line 420 "parse-gram.y"
2005 { (yyval
.chars
) = (yyvsp
[0].chars
); }
2009 #line 426 "parse-gram.y"
2011 (yyval
.symbol
) = symbol_get (quotearg_style (c_quoting_style
, (yyvsp
[0].chars
)), (yylsp
[0]));
2012 symbol_class_set ((yyval
.symbol
), token_sym
, (yylsp
[0]));
2017 #line 435 "parse-gram.y"
2018 { (yyval
.chars
) = (yyvsp
[0].chars
); }
2022 #line 442 "parse-gram.y"
2024 muscle_code_grow ("epilogue", (yyvsp
[0].chars
), (yylsp
[0]));
2025 scanner_last_string_free ();
2033 /* Line 1249 of yacc.c. */
2034 #line 2035 "parse-gram.c"
2040 YY_STACK_PRINT (yyss
, yyssp
);
2045 /* Now `shift' the result of the reduction. Determine what state
2046 that goes to, based on the state we popped back to and the rule
2047 number reduced by. */
2051 yystate
= yypgoto
[yyn
- YYNTOKENS
] + *yyssp
;
2052 if (0 <= yystate
&& yystate
<= YYLAST
&& yycheck
[yystate
] == *yyssp
)
2053 yystate
= yytable
[yystate
];
2055 yystate
= yydefgoto
[yyn
- YYNTOKENS
];
2060 /*------------------------------------.
2061 | yyerrlab -- here on detecting error |
2062 `------------------------------------*/
2064 /* If not already recovering from an error, report this error. */
2068 #if ! YYERROR_VERBOSE
2069 yyerror (YY_("syntax error"));
2072 YYSIZE_T yysize
= yysyntax_error (0, yystate
, yychar
);
2073 if (yymsg_alloc
< yysize
&& yymsg_alloc
< YYSTACK_ALLOC_MAXIMUM
)
2075 YYSIZE_T yyalloc
= 2 * yysize
;
2076 if (! (yysize
<= yyalloc
&& yyalloc
<= YYSTACK_ALLOC_MAXIMUM
))
2077 yyalloc
= YYSTACK_ALLOC_MAXIMUM
;
2078 if (yymsg
!= yymsgbuf
)
2079 YYSTACK_FREE (yymsg
);
2080 yymsg
= (char *) YYSTACK_ALLOC (yyalloc
);
2082 yymsg_alloc
= yyalloc
;
2086 yymsg_alloc
= sizeof yymsgbuf
;
2090 if (0 < yysize
&& yysize
<= yymsg_alloc
)
2092 (void) yysyntax_error (yymsg
, yystate
, yychar
);
2097 yyerror (YY_("syntax error"));
2099 goto yyexhaustedlab
;
2105 yyerror_range
[0] = yylloc
;
2107 if (yyerrstatus
== 3)
2109 /* If just tried and failed to reuse look-ahead token after an
2110 error, discard it. */
2112 if (yychar
<= YYEOF
)
2114 /* Return failure if at end of input. */
2115 if (yychar
== YYEOF
)
2120 yydestruct ("Error: discarding", yytoken
, &yylval
, &yylloc
);
2125 /* Else will try to reuse look-ahead token after shifting the error
2130 /*---------------------------------------------------.
2131 | yyerrorlab -- error raised explicitly by YYERROR. |
2132 `---------------------------------------------------*/
2135 /* Pacify compilers like GCC when the user code never invokes
2136 YYERROR and the label yyerrorlab therefore never appears in user
2141 yyerror_range
[0] = yylsp
[1-yylen
];
2149 /*-------------------------------------------------------------.
2150 | yyerrlab1 -- common code for both syntax error and YYERROR. |
2151 `-------------------------------------------------------------*/
2153 yyerrstatus
= 3; /* Each real token shifted decrements this. */
2157 yyn
= yypact
[yystate
];
2158 if (yyn
!= YYPACT_NINF
)
2161 if (0 <= yyn
&& yyn
<= YYLAST
&& yycheck
[yyn
] == YYTERROR
)
2169 /* Pop the current state because it cannot handle the error token. */
2173 yyerror_range
[0] = *yylsp
;
2174 yydestruct ("Error: popping", yystos
[yystate
], yyvsp
, yylsp
);
2177 YY_STACK_PRINT (yyss
, yyssp
);
2185 yyerror_range
[1] = yylloc
;
2186 /* Using YYLLOC is tempting, but would change the location of
2187 the look-ahead. YYLOC is available though. */
2188 YYLLOC_DEFAULT (yyloc
, yyerror_range
- 1, 2);
2191 /* Shift the error token. */
2192 YY_SYMBOL_PRINT ("Shifting", yystos
[yyn
], yyvsp
, yylsp
);
2198 /*-------------------------------------.
2199 | yyacceptlab -- YYACCEPT comes here. |
2200 `-------------------------------------*/
2205 /*-----------------------------------.
2206 | yyabortlab -- YYABORT comes here. |
2207 `-----------------------------------*/
2213 /*-------------------------------------------------.
2214 | yyexhaustedlab -- memory exhaustion comes here. |
2215 `-------------------------------------------------*/
2217 yyerror (YY_("memory exhausted"));
2223 if (yychar
!= YYEOF
&& yychar
!= YYEMPTY
)
2224 yydestruct ("Cleanup: discarding lookahead",
2225 yytoken
, &yylval
, &yylloc
);
2226 while (yyssp
!= yyss
)
2228 yydestruct ("Cleanup: popping",
2229 yystos
[*yyssp
], yyvsp
, yylsp
);
2234 YYSTACK_FREE (yyss
);
2237 if (yymsg
!= yymsgbuf
)
2238 YYSTACK_FREE (yymsg
);
2244 #line 448 "parse-gram.y"
2248 /* Return the location of the left-hand side of a rule whose
2249 right-hand side is RHS[1] ... RHS[N]. Ignore empty nonterminals in
2250 the right-hand side, and return an empty location equal to the end
2251 boundary of RHS[0] if the right-hand side is empty. */
2254 lloc_default (YYLTYPE
const *rhs
, int n
)
2259 /* SGI MIPSpro 7.4.1m miscompiles "loc.start = loc.end = rhs[n].end;".
2260 The bug is fixed in 7.4.2m, but play it safe for now. */
2261 loc
.start
= rhs
[n
].end
;
2262 loc
.end
= rhs
[n
].end
;
2264 /* Ignore empty nonterminals the start of the the right-hand side.
2265 Do not bother to ignore them at the end of the right-hand side,
2266 since empty nonterminals have the same end as their predecessors. */
2267 for (i
= 1; i
<= n
; i
++)
2268 if (! equal_boundaries (rhs
[i
].start
, rhs
[i
].end
))
2270 loc
.start
= rhs
[i
].start
;
2278 /* Add a lex-param or a parse-param (depending on TYPE) with
2279 declaration DECL and location LOC. */
2282 add_param (char const *type
, char *decl
, location loc
)
2284 static char const alphanum
[26 + 26 + 1 + 10] =
2285 "abcdefghijklmnopqrstuvwxyz"
2286 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
2289 char const *name_start
= NULL
;
2292 /* Stop on last actual character. */
2293 for (p
= decl
; p
[1]; p
++)
2295 || ! memchr (alphanum
, p
[-1], sizeof alphanum
))
2296 && memchr (alphanum
, p
[0], sizeof alphanum
- 10))
2299 /* Strip the surrounding '{' and '}', and any blanks just inside
2301 while (*--p
== ' ' || *p
== '\t')
2304 while (*++decl
== ' ' || *decl
== '\t')
2308 complain_at (loc
, _("missing identifier in parameter declaration"));
2315 memchr (alphanum
, name_start
[name_len
], sizeof alphanum
);
2319 name
= xmalloc (name_len
+ 1);
2320 memcpy (name
, name_start
, name_len
);
2321 name
[name_len
] = '\0';
2322 muscle_pair_list_grow (type
, decl
, name
);
2326 scanner_last_string_free ();
2330 gram_error (location
const *loc
, char const *msg
)
2332 complain_at (*loc
, "%s", msg
);
2336 token_name (int type
)
2338 return yytname
[YYTRANSLATE (type
)];