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1 /* A Bison parser, made by GNU Bison 2.1a. */
2
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.
5
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)
9 any later version.
10
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.
15
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. */
20
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. */
25
26 /* Written by Richard Stallman by simplifying the original so called
27 ``semantic'' parser. */
28
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. */
35
36 /* Identify Bison output. */
37 #define YYBISON 1
38
39 /* Bison version. */
40 #define YYBISON_VERSION "2.1a"
41
42 /* Skeleton name. */
43 #define YYSKELETON_NAME "yacc.c"
44
45 /* Pure parsers. */
46 #define YYPURE 1
47
48 /* Using locations. */
49 #define YYLSP_NEEDED 1
50
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
60
61 /* Tokens. */
62 #ifndef YYTOKENTYPE
63 # define YYTOKENTYPE
64 /* Put the tokens into the symbol table, so that GDB and other debuggers
65 know about them. */
66 enum yytokentype {
67 GRAM_EOF = 0,
68 STRING = 258,
69 INT = 259,
70 PERCENT_TOKEN = 260,
71 PERCENT_NTERM = 261,
72 PERCENT_TYPE = 262,
73 PERCENT_DESTRUCTOR = 263,
74 PERCENT_PRINTER = 264,
75 PERCENT_UNION = 265,
76 PERCENT_LEFT = 266,
77 PERCENT_RIGHT = 267,
78 PERCENT_NONASSOC = 268,
79 PERCENT_PREC = 269,
80 PERCENT_DPREC = 270,
81 PERCENT_MERGE = 271,
82 PERCENT_DEBUG = 272,
83 PERCENT_DEFAULT_PREC = 273,
84 PERCENT_DEFINE = 274,
85 PERCENT_DEFINES = 275,
86 PERCENT_ERROR_VERBOSE = 276,
87 PERCENT_EXPECT = 277,
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,
98 PERCENT_OUTPUT = 288,
99 PERCENT_PARSE_PARAM = 289,
100 PERCENT_PURE_PARSER = 290,
101 PERCENT_REQUIRE = 291,
102 PERCENT_SKELETON = 292,
103 PERCENT_START = 293,
104 PERCENT_TOKEN_TABLE = 294,
105 PERCENT_VERBOSE = 295,
106 PERCENT_YACC = 296,
107 TYPE = 297,
108 EQUAL = 298,
109 SEMICOLON = 299,
110 PIPE = 300,
111 ID = 301,
112 ID_COLON = 302,
113 PERCENT_PERCENT = 303,
114 PROLOGUE = 304,
115 EPILOGUE = 305,
116 BRACED_CODE = 306
117 };
118 #endif
119 /* Tokens. */
120 #define GRAM_EOF 0
121 #define STRING 258
122 #define INT 259
123 #define PERCENT_TOKEN 260
124 #define PERCENT_NTERM 261
125 #define PERCENT_TYPE 262
126 #define PERCENT_DESTRUCTOR 263
127 #define PERCENT_PRINTER 264
128 #define PERCENT_UNION 265
129 #define PERCENT_LEFT 266
130 #define PERCENT_RIGHT 267
131 #define PERCENT_NONASSOC 268
132 #define PERCENT_PREC 269
133 #define PERCENT_DPREC 270
134 #define PERCENT_MERGE 271
135 #define PERCENT_DEBUG 272
136 #define PERCENT_DEFAULT_PREC 273
137 #define PERCENT_DEFINE 274
138 #define PERCENT_DEFINES 275
139 #define PERCENT_ERROR_VERBOSE 276
140 #define PERCENT_EXPECT 277
141 #define PERCENT_EXPECT_RR 278
142 #define PERCENT_FILE_PREFIX 279
143 #define PERCENT_GLR_PARSER 280
144 #define PERCENT_INITIAL_ACTION 281
145 #define PERCENT_LEX_PARAM 282
146 #define PERCENT_LOCATIONS 283
147 #define PERCENT_NAME_PREFIX 284
148 #define PERCENT_NO_DEFAULT_PREC 285
149 #define PERCENT_NO_LINES 286
150 #define PERCENT_NONDETERMINISTIC_PARSER 287
151 #define PERCENT_OUTPUT 288
152 #define PERCENT_PARSE_PARAM 289
153 #define PERCENT_PURE_PARSER 290
154 #define PERCENT_REQUIRE 291
155 #define PERCENT_SKELETON 292
156 #define PERCENT_START 293
157 #define PERCENT_TOKEN_TABLE 294
158 #define PERCENT_VERBOSE 295
159 #define PERCENT_YACC 296
160 #define TYPE 297
161 #define EQUAL 298
162 #define SEMICOLON 299
163 #define PIPE 300
164 #define ID 301
165 #define ID_COLON 302
166 #define PERCENT_PERCENT 303
167 #define PROLOGUE 304
168 #define EPILOGUE 305
169 #define BRACED_CODE 306
170
171
172
173
174 /* Copy the first part of user declarations. */
175 #line 1 "parse-gram.y"
176 /* Bison Grammar Parser -*- C -*-
177
178 Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
179
180 This file is part of Bison, the GNU Compiler Compiler.
181
182 This program is free software; you can redistribute it and/or modify
183 it under the terms of the GNU General Public License as published by
184 the Free Software Foundation; either version 2 of the License, or
185 (at your option) any later version.
186
187 This program is distributed in the hope that it will be useful,
188 but WITHOUT ANY WARRANTY; without even the implied warranty of
189 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
190 GNU General Public License for more details.
191
192 You should have received a copy of the GNU General Public License
193 along with this program; if not, write to the Free Software
194 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
195 02110-1301 USA
196 */
197
198 #include "system.h"
199
200 #include "complain.h"
201 #include "conflicts.h"
202 #include "files.h"
203 #include "getargs.h"
204 #include "gram.h"
205 #include "muscle_tab.h"
206 #include "output.h"
207 #include "quotearg.h"
208 #include "reader.h"
209 #include "symlist.h"
210 #include "strverscmp.h"
211
212 #define YYLLOC_DEFAULT(Current, Rhs, N) (Current) = lloc_default (Rhs, N)
213 static YYLTYPE lloc_default (YYLTYPE const *, int);
214
215 #define YY_LOCATION_PRINT(File, Loc) \
216 location_print (File, Loc)
217
218 static void version_check (location const *loc, char const *version);
219
220 /* Request detailed syntax error messages, and pass them to GRAM_ERROR.
221 FIXME: depends on the undocumented availability of YYLLOC. */
222 #undef yyerror
223 #define yyerror(Msg) \
224 gram_error (&yylloc, Msg)
225 static void gram_error (location const *, char const *);
226
227 static void add_param (char const *, char *, location);
228
229 static symbol_class current_class = unknown_sym;
230 static uniqstr current_type = 0;
231 symbol *current_lhs;
232 location current_lhs_location;
233 assoc current_assoc;
234 static int current_prec = 0;
235
236
237 /* Enabling traces. */
238 #ifndef YYDEBUG
239 # define YYDEBUG 1
240 #endif
241
242 /* Enabling verbose error messages. */
243 #ifdef YYERROR_VERBOSE
244 # undef YYERROR_VERBOSE
245 # define YYERROR_VERBOSE 1
246 #else
247 # define YYERROR_VERBOSE 1
248 #endif
249
250 /* Enabling the token table. */
251 #ifndef YYTOKEN_TABLE
252 # define YYTOKEN_TABLE 0
253 #endif
254
255 #if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)
256 #line 82 "parse-gram.y"
257 typedef union YYSTYPE {
258 symbol *symbol;
259 symbol_list *list;
260 int integer;
261 char *chars;
262 assoc assoc;
263 uniqstr uniqstr;
264 } YYSTYPE;
265 /* Line 196 of yacc.c. */
266 #line 267 "parse-gram.c"
267 # define yystype YYSTYPE /* obsolescent; will be withdrawn */
268 # define YYSTYPE_IS_DECLARED 1
269 # define YYSTYPE_IS_TRIVIAL 1
270 #endif
271
272 #if ! defined (YYLTYPE) && ! defined (YYLTYPE_IS_DECLARED)
273 typedef struct YYLTYPE
274 {
275 int first_line;
276 int first_column;
277 int last_line;
278 int last_column;
279 } YYLTYPE;
280 # define yyltype YYLTYPE /* obsolescent; will be withdrawn */
281 # define YYLTYPE_IS_DECLARED 1
282 # define YYLTYPE_IS_TRIVIAL 1
283 #endif
284
285
286 /* Copy the second part of user declarations. */
287
288
289 /* Line 219 of yacc.c. */
290 #line 291 "parse-gram.c"
291
292 #ifndef YYSIZE_T
293 # if defined (__SIZE_TYPE__)
294 # define YYSIZE_T __SIZE_TYPE__
295 # elif defined (size_t)
296 # define YYSIZE_T size_t
297 # elif ! defined (YYSIZE_T) && (defined (__STDC__) || defined (__cplusplus))
298 # include <stddef.h> /* INFRINGES ON USER NAME SPACE */
299 # define YYSIZE_T size_t
300 # else
301 # define YYSIZE_T unsigned int
302 # endif
303 #endif
304
305 #define YYSIZE_MAXIMUM ((YYSIZE_T) -1)
306
307 #ifndef YY_
308 # if YYENABLE_NLS
309 # if ENABLE_NLS
310 # include <libintl.h> /* INFRINGES ON USER NAME SPACE */
311 # define YY_(msgid) dgettext ("bison-runtime", msgid)
312 # endif
313 # endif
314 # ifndef YY_
315 # define YY_(msgid) msgid
316 # endif
317 #endif
318
319 /* Suppress unused-variable warnings by "using" E. */
320 #define YYUSE(e) do {;} while (/*CONSTCOND*/ 0 && (e))
321
322 #if ! defined (yyoverflow) || YYERROR_VERBOSE
323
324 /* The parser invokes alloca or malloc; define the necessary symbols. */
325
326 # ifdef YYSTACK_USE_ALLOCA
327 # if YYSTACK_USE_ALLOCA
328 # ifdef __GNUC__
329 # define YYSTACK_ALLOC __builtin_alloca
330 # elif defined (__BUILTIN_VA_ARG_INCR)
331 # include <alloca.h> /* INFRINGES ON USER NAME SPACE */
332 # elif defined (_AIX)
333 # define YYSTACK_ALLOC __alloca
334 # elif defined (_MSC_VER)
335 # include <malloc.h> /* INFRINGES ON USER NAME SPACE */
336 # define alloca _alloca
337 # else
338 # define YYSTACK_ALLOC alloca
339 # if (! defined (_ALLOCA_H) && ! defined (_STDLIB_H) \
340 && (defined (__STDC__) || defined (__cplusplus)))
341 # include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
342 # ifndef _STDLIB_H
343 # define _STDLIB_H 1
344 # endif
345 # endif
346 # endif
347 # endif
348 # endif
349
350 # ifdef YYSTACK_ALLOC
351 /* Pacify GCC's `empty if-body' warning. */
352 # define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
353 # ifndef YYSTACK_ALLOC_MAXIMUM
354 /* The OS might guarantee only one guard page at the bottom of the stack,
355 and a page size can be as small as 4096 bytes. So we cannot safely
356 invoke alloca (N) if N exceeds 4096. Use a slightly smaller number
357 to allow for a few compiler-allocated temporary stack slots. */
358 # define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2005 */
359 # endif
360 # else
361 # define YYSTACK_ALLOC YYMALLOC
362 # define YYSTACK_FREE YYFREE
363 # ifndef YYSTACK_ALLOC_MAXIMUM
364 # define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
365 # endif
366 # ifdef __cplusplus
367 extern "C" {
368 # endif
369 # ifndef YYMALLOC
370 # define YYMALLOC malloc
371 # if (! defined (malloc) && ! defined (_STDLIB_H) \
372 && (defined (__STDC__) || defined (__cplusplus)))
373 void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
374 # endif
375 # endif
376 # ifndef YYFREE
377 # define YYFREE free
378 # if (! defined (free) && ! defined (_STDLIB_H) \
379 && (defined (__STDC__) || defined (__cplusplus)))
380 void free (void *); /* INFRINGES ON USER NAME SPACE */
381 # endif
382 # endif
383 # ifdef __cplusplus
384 }
385 # endif
386 # endif
387 #endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */
388
389
390 #if (! defined (yyoverflow) \
391 && (! defined (__cplusplus) \
392 || (defined (YYLTYPE_IS_TRIVIAL) && YYLTYPE_IS_TRIVIAL \
393 && defined (YYSTYPE_IS_TRIVIAL) && YYSTYPE_IS_TRIVIAL)))
394
395 /* A type that is properly aligned for any stack member. */
396 union yyalloc
397 {
398 short int yyss;
399 YYSTYPE yyvs;
400 YYLTYPE yyls;
401 };
402
403 /* The size of the maximum gap between one aligned stack and the next. */
404 # define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)
405
406 /* The size of an array large to enough to hold all stacks, each with
407 N elements. */
408 # define YYSTACK_BYTES(N) \
409 ((N) * (sizeof (short int) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \
410 + 2 * YYSTACK_GAP_MAXIMUM)
411
412 /* Copy COUNT objects from FROM to TO. The source and destination do
413 not overlap. */
414 # ifndef YYCOPY
415 # if defined (__GNUC__) && 1 < __GNUC__
416 # define YYCOPY(To, From, Count) \
417 __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
418 # else
419 # define YYCOPY(To, From, Count) \
420 do \
421 { \
422 YYSIZE_T yyi; \
423 for (yyi = 0; yyi < (Count); yyi++) \
424 (To)[yyi] = (From)[yyi]; \
425 } \
426 while (/*CONSTCOND*/ 0)
427 # endif
428 # endif
429
430 /* Relocate STACK from its old location to the new one. The
431 local variables YYSIZE and YYSTACKSIZE give the old and new number of
432 elements in the stack, and YYPTR gives the new location of the
433 stack. Advance YYPTR to a properly aligned location for the next
434 stack. */
435 # define YYSTACK_RELOCATE(Stack) \
436 do \
437 { \
438 YYSIZE_T yynewbytes; \
439 YYCOPY (&yyptr->Stack, Stack, yysize); \
440 Stack = &yyptr->Stack; \
441 yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
442 yyptr += yynewbytes / sizeof (*yyptr); \
443 } \
444 while (/*CONSTCOND*/ 0)
445
446 #endif
447
448 #if defined (__STDC__) || defined (__cplusplus)
449 typedef signed char yysigned_char;
450 #else
451 typedef short int yysigned_char;
452 #endif
453
454 /* YYFINAL -- State number of the termination state. */
455 #define YYFINAL 3
456 /* YYLAST -- Last index in YYTABLE. */
457 #define YYLAST 161
458
459 /* YYNTOKENS -- Number of terminals. */
460 #define YYNTOKENS 52
461 /* YYNNTS -- Number of nonterminals. */
462 #define YYNNTS 25
463 /* YYNRULES -- Number of rules. */
464 #define YYNRULES 81
465 /* YYNRULES -- Number of states. */
466 #define YYNSTATES 110
467
468 /* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */
469 #define YYUNDEFTOK 2
470 #define YYMAXUTOK 306
471
472 #define YYTRANSLATE(YYX) \
473 ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
474
475 /* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */
476 static const unsigned char yytranslate[] =
477 {
478 0, 2, 2, 2, 2, 2, 2, 2, 2, 2,
479 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
480 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
481 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
482 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
483 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
484 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
485 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
486 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
487 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
488 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
489 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
490 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
491 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
492 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
493 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
494 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
495 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
496 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
497 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
498 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
499 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
500 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
501 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
502 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
503 2, 2, 2, 2, 2, 2, 1, 2, 3, 4,
504 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
505 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
506 25, 26, 27, 28, 29, 30, 31, 32, 33, 34,
507 35, 36, 37, 38, 39, 40, 41, 42, 43, 44,
508 45, 46, 47, 48, 49, 50, 51
509 };
510
511 #if YYDEBUG
512 /* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
513 YYRHS. */
514 static const unsigned char yyprhs[] =
515 {
516 0, 0, 3, 8, 9, 12, 14, 16, 18, 21,
517 25, 27, 29, 32, 35, 39, 41, 43, 45, 47,
518 51, 53, 55, 59, 61, 63, 66, 69, 71, 73,
519 75, 77, 79, 81, 84, 86, 89, 92, 94, 96,
520 97, 101, 102, 106, 110, 114, 116, 118, 120, 121,
521 123, 125, 128, 130, 132, 135, 138, 142, 144, 147,
522 149, 152, 154, 157, 160, 161, 165, 167, 171, 174,
523 175, 178, 181, 185, 189, 193, 195, 197, 199, 201,
524 203, 204
525 };
526
527 /* YYRHS -- A `-1'-separated list of the rules' RHS. */
528 static const yysigned_char yyrhs[] =
529 {
530 53, 0, -1, 54, 48, 66, 76, -1, -1, 54,
531 55, -1, 56, -1, 49, -1, 17, -1, 19, 75,
532 -1, 19, 75, 75, -1, 20, -1, 21, -1, 22,
533 4, -1, 23, 4, -1, 24, 43, 75, -1, 25,
534 -1, 26, -1, 27, -1, 28, -1, 29, 43, 75,
535 -1, 31, -1, 32, -1, 33, 43, 75, -1, 34,
536 -1, 35, -1, 36, 75, -1, 37, 75, -1, 39,
537 -1, 40, -1, 41, -1, 44, -1, 60, -1, 57,
538 -1, 38, 72, -1, 10, -1, 8, 63, -1, 9,
539 63, -1, 18, -1, 30, -1, -1, 6, 58, 65,
540 -1, -1, 5, 59, 65, -1, 7, 42, 63, -1,
541 61, 62, 63, -1, 11, -1, 12, -1, 13, -1,
542 -1, 42, -1, 72, -1, 63, 72, -1, 42, -1,
543 46, -1, 46, 4, -1, 46, 74, -1, 46, 4,
544 74, -1, 64, -1, 65, 64, -1, 67, -1, 66,
545 67, -1, 68, -1, 56, 44, -1, 1, 44, -1,
546 -1, 47, 69, 70, -1, 71, -1, 70, 45, 71,
547 -1, 70, 44, -1, -1, 71, 72, -1, 71, 73,
548 -1, 71, 14, 72, -1, 71, 15, 4, -1, 71,
549 16, 42, -1, 46, -1, 74, -1, 51, -1, 3,
550 -1, 3, -1, -1, 48, 50, -1
551 };
552
553 /* YYRLINE[YYN] -- source line where rule number YYN was defined. */
554 static const unsigned short int yyrline[] =
555 {
556 0, 192, 192, 200, 202, 206, 207, 208, 209, 210,
557 211, 212, 213, 214, 215, 216, 221, 225, 226, 227,
558 228, 229, 230, 231, 232, 233, 234, 235, 236, 237,
559 238, 242, 243, 244, 248, 254, 261, 268, 272, 279,
560 279, 284, 284, 289, 299, 314, 315, 316, 320, 321,
561 327, 328, 333, 337, 342, 348, 354, 365, 366, 375,
562 376, 382, 383, 388, 395, 395, 399, 400, 401, 406,
563 407, 409, 411, 413, 415, 420, 421, 425, 431, 440,
564 445, 447
565 };
566 #endif
567
568 #if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE
569 /* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
570 First, the terminals, then, starting at YYNTOKENS, nonterminals. */
571 static const char *const yytname[] =
572 {
573 "\"end of file\"", "error", "$undefined", "\"string\"", "\"integer\"",
574 "\"%token\"", "\"%nterm\"", "\"%type\"", "\"%destructor {...}\"",
575 "\"%printer {...}\"", "\"%union {...}\"", "\"%left\"", "\"%right\"",
576 "\"%nonassoc\"", "\"%prec\"", "\"%dprec\"", "\"%merge\"", "\"%debug\"",
577 "\"%default-prec\"", "\"%define\"", "\"%defines\"", "\"%error-verbose\"",
578 "\"%expect\"", "\"%expect-rr\"", "\"%file-prefix\"", "\"%glr-parser\"",
579 "\"%initial-action {...}\"", "\"%lex-param {...}\"", "\"%locations\"",
580 "\"%name-prefix\"", "\"%no-default-prec\"", "\"%no-lines\"",
581 "\"%nondeterministic-parser\"", "\"%output\"", "\"%parse-param {...}\"",
582 "\"%pure-parser\"", "\"%require\"", "\"%skeleton\"", "\"%start\"",
583 "\"%token-table\"", "\"%verbose\"", "\"%yacc\"", "\"type\"", "\"=\"",
584 "\";\"", "\"|\"", "\"identifier\"", "\"identifier:\"", "\"%%\"",
585 "\"%{...%}\"", "\"epilogue\"", "\"{...}\"", "$accept", "input",
586 "declarations", "declaration", "grammar_declaration",
587 "symbol_declaration", "@1", "@2", "precedence_declaration",
588 "precedence_declarator", "type.opt", "symbols.1", "symbol_def",
589 "symbol_defs.1", "grammar", "rules_or_grammar_declaration", "rules",
590 "@3", "rhses.1", "rhs", "symbol", "action", "string_as_id",
591 "string_content", "epilogue.opt", 0
592 };
593 #endif
594
595 # ifdef YYPRINT
596 /* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
597 token YYLEX-NUM. */
598 static const unsigned short int yytoknum[] =
599 {
600 0, 256, 257, 258, 259, 260, 261, 262, 263, 264,
601 265, 266, 267, 268, 269, 270, 271, 272, 273, 274,
602 275, 276, 277, 278, 279, 280, 281, 282, 283, 284,
603 285, 286, 287, 288, 289, 290, 291, 292, 293, 294,
604 295, 296, 297, 298, 299, 300, 301, 302, 303, 304,
605 305, 306
606 };
607 # endif
608
609 /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
610 static const unsigned char yyr1[] =
611 {
612 0, 52, 53, 54, 54, 55, 55, 55, 55, 55,
613 55, 55, 55, 55, 55, 55, 55, 55, 55, 55,
614 55, 55, 55, 55, 55, 55, 55, 55, 55, 55,
615 55, 56, 56, 56, 56, 56, 56, 56, 56, 58,
616 57, 59, 57, 57, 60, 61, 61, 61, 62, 62,
617 63, 63, 64, 64, 64, 64, 64, 65, 65, 66,
618 66, 67, 67, 67, 69, 68, 70, 70, 70, 71,
619 71, 71, 71, 71, 71, 72, 72, 73, 74, 75,
620 76, 76
621 };
622
623 /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
624 static const unsigned char yyr2[] =
625 {
626 0, 2, 4, 0, 2, 1, 1, 1, 2, 3,
627 1, 1, 2, 2, 3, 1, 1, 1, 1, 3,
628 1, 1, 3, 1, 1, 2, 2, 1, 1, 1,
629 1, 1, 1, 2, 1, 2, 2, 1, 1, 0,
630 3, 0, 3, 3, 3, 1, 1, 1, 0, 1,
631 1, 2, 1, 1, 2, 2, 3, 1, 2, 1,
632 2, 1, 2, 2, 0, 3, 1, 3, 2, 0,
633 2, 2, 3, 3, 3, 1, 1, 1, 1, 1,
634 0, 2
635 };
636
637 /* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
638 STATE-NUM when YYTABLE doesn't specify something else to do. Zero
639 means the default is an error. */
640 static const unsigned char yydefact[] =
641 {
642 3, 0, 0, 1, 41, 39, 0, 0, 0, 34,
643 45, 46, 47, 7, 37, 0, 10, 11, 0, 0,
644 0, 15, 16, 17, 18, 0, 38, 20, 21, 0,
645 23, 24, 0, 0, 0, 27, 28, 29, 30, 0,
646 6, 4, 5, 32, 31, 48, 0, 0, 0, 78,
647 75, 35, 50, 76, 36, 79, 8, 12, 13, 0,
648 0, 0, 25, 26, 33, 0, 64, 0, 0, 59,
649 61, 49, 0, 52, 53, 57, 42, 40, 43, 51,
650 9, 14, 19, 22, 63, 69, 62, 0, 60, 2,
651 44, 54, 55, 58, 65, 66, 81, 56, 68, 69,
652 0, 0, 0, 77, 70, 71, 67, 72, 73, 74
653 };
654
655 /* YYDEFGOTO[NTERM-NUM]. */
656 static const yysigned_char yydefgoto[] =
657 {
658 -1, 1, 2, 41, 67, 43, 47, 46, 44, 45,
659 72, 51, 75, 76, 68, 69, 70, 85, 94, 95,
660 52, 105, 53, 56, 89
661 };
662
663 /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
664 STATE-NUM. */
665 #define YYPACT_NINF -69
666 static const yysigned_char yypact[] =
667 {
668 -69, 5, 112, -69, -69, -69, -35, 0, 0, -69,
669 -69, -69, -69, -69, -69, 13, -69, -69, 20, 31,
670 -18, -69, -69, -69, -69, -6, -69, -69, -69, -5,
671 -69, -69, 13, 13, 0, -69, -69, -69, -69, 69,
672 -69, -69, -69, -69, -69, -2, -38, -38, 0, -69,
673 -69, 0, -69, -69, 0, -69, 13, -69, -69, 13,
674 13, 13, -69, -69, -69, -8, -69, 3, 21, -69,
675 -69, -69, 0, -69, 6, -69, -38, -38, 0, -69,
676 -69, -69, -69, -69, -69, -69, -69, 2, -69, -69,
677 0, 39, -69, -69, -33, -1, -69, -69, -69, -69,
678 0, 44, 1, -69, -69, -69, -1, -69, -69, -69
679 };
680
681 /* YYPGOTO[NTERM-NUM]. */
682 static const yysigned_char yypgoto[] =
683 {
684 -69, -69, -69, -69, 47, -69, -69, -69, -69, -69,
685 -69, -7, -58, 7, -69, -15, -69, -69, -69, -44,
686 -34, -69, -68, 30, -69
687 };
688
689 /* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If
690 positive, shift that token. If negative, reduce the rule which
691 number is the opposite. If zero, do what YYDEFACT says.
692 If YYTABLE_NINF, syntax error. */
693 #define YYTABLE_NINF -81
694 static const yysigned_char yytable[] =
695 {
696 64, 54, 49, 49, 73, 3, 92, 48, 74, 49,
697 91, 98, 99, 100, 101, 102, 55, 79, 93, 93,
698 79, -80, 65, 97, 57, 59, 4, 5, 6, 7,
699 8, 9, 10, 11, 12, 58, 84, 60, 61, 14,
700 71, 78, 49, 109, 79, 50, 50, 86, 108, 42,
701 103, 26, 96, 88, 77, 106, 79, 0, 0, 34,
702 0, 104, 62, 63, 0, 90, 107, 0, 66, 87,
703 65, 0, 104, 0, 4, 5, 6, 7, 8, 9,
704 10, 11, 12, 0, 0, 0, 80, 14, 0, 81,
705 82, 83, 0, 0, 0, 0, 0, 0, 0, 26,
706 0, 0, 0, 0, 0, 0, 0, 34, 0, 0,
707 0, 0, 0, 0, 0, 0, 66, 4, 5, 6,
708 7, 8, 9, 10, 11, 12, 0, 0, 0, 13,
709 14, 15, 16, 17, 18, 19, 20, 21, 22, 23,
710 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
711 34, 35, 36, 37, 0, 0, 38, 0, 0, 0,
712 39, 40
713 };
714
715 static const yysigned_char yycheck[] =
716 {
717 34, 8, 3, 3, 42, 0, 74, 42, 46, 3,
718 4, 44, 45, 14, 15, 16, 3, 51, 76, 77,
719 54, 0, 1, 91, 4, 43, 5, 6, 7, 8,
720 9, 10, 11, 12, 13, 4, 44, 43, 43, 18,
721 42, 48, 3, 42, 78, 46, 46, 44, 4, 2,
722 51, 30, 50, 68, 47, 99, 90, -1, -1, 38,
723 -1, 95, 32, 33, -1, 72, 100, -1, 47, 48,
724 1, -1, 106, -1, 5, 6, 7, 8, 9, 10,
725 11, 12, 13, -1, -1, -1, 56, 18, -1, 59,
726 60, 61, -1, -1, -1, -1, -1, -1, -1, 30,
727 -1, -1, -1, -1, -1, -1, -1, 38, -1, -1,
728 -1, -1, -1, -1, -1, -1, 47, 5, 6, 7,
729 8, 9, 10, 11, 12, 13, -1, -1, -1, 17,
730 18, 19, 20, 21, 22, 23, 24, 25, 26, 27,
731 28, 29, 30, 31, 32, 33, 34, 35, 36, 37,
732 38, 39, 40, 41, -1, -1, 44, -1, -1, -1,
733 48, 49
734 };
735
736 /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
737 symbol of state STATE-NUM. */
738 static const unsigned char yystos[] =
739 {
740 0, 53, 54, 0, 5, 6, 7, 8, 9, 10,
741 11, 12, 13, 17, 18, 19, 20, 21, 22, 23,
742 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
743 34, 35, 36, 37, 38, 39, 40, 41, 44, 48,
744 49, 55, 56, 57, 60, 61, 59, 58, 42, 3,
745 46, 63, 72, 74, 63, 3, 75, 4, 4, 43,
746 43, 43, 75, 75, 72, 1, 47, 56, 66, 67,
747 68, 42, 62, 42, 46, 64, 65, 65, 63, 72,
748 75, 75, 75, 75, 44, 69, 44, 48, 67, 76,
749 63, 4, 74, 64, 70, 71, 50, 74, 44, 45,
750 14, 15, 16, 51, 72, 73, 71, 72, 4, 42
751 };
752
753 #define yyerrok (yyerrstatus = 0)
754 #define yyclearin (yychar = YYEMPTY)
755 #define YYEMPTY (-2)
756 #define YYEOF 0
757
758 #define YYACCEPT goto yyacceptlab
759 #define YYABORT goto yyabortlab
760 #define YYERROR goto yyerrorlab
761
762
763 /* Like YYERROR except do call yyerror. This remains here temporarily
764 to ease the transition to the new meaning of YYERROR, for GCC.
765 Once GCC version 2 has supplanted version 1, this can go. */
766
767 #define YYFAIL goto yyerrlab
768
769 #define YYRECOVERING() (!!yyerrstatus)
770
771 #define YYBACKUP(Token, Value) \
772 do \
773 if (yychar == YYEMPTY && yylen == 1) \
774 { \
775 yychar = (Token); \
776 yylval = (Value); \
777 yytoken = YYTRANSLATE (yychar); \
778 YYPOPSTACK; \
779 goto yybackup; \
780 } \
781 else \
782 { \
783 yyerror (YY_("syntax error: cannot back up")); \
784 YYERROR; \
785 } \
786 while (/*CONSTCOND*/ 0)
787
788
789 #define YYTERROR 1
790 #define YYERRCODE 256
791
792
793 /* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N].
794 If N is 0, then set CURRENT to the empty location which ends
795 the previous symbol: RHS[0] (always defined). */
796
797 #define YYRHSLOC(Rhs, K) ((Rhs)[K])
798 #ifndef YYLLOC_DEFAULT
799 # define YYLLOC_DEFAULT(Current, Rhs, N) \
800 do \
801 if (N) \
802 { \
803 (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \
804 (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \
805 (Current).last_line = YYRHSLOC (Rhs, N).last_line; \
806 (Current).last_column = YYRHSLOC (Rhs, N).last_column; \
807 } \
808 else \
809 { \
810 (Current).first_line = (Current).last_line = \
811 YYRHSLOC (Rhs, 0).last_line; \
812 (Current).first_column = (Current).last_column = \
813 YYRHSLOC (Rhs, 0).last_column; \
814 } \
815 while (/*CONSTCOND*/ 0)
816 #endif
817
818
819 /* YY_LOCATION_PRINT -- Print the location on the stream.
820 This macro was not mandated originally: define only if we know
821 we won't break user code: when these are the locations we know. */
822
823 #ifndef YY_LOCATION_PRINT
824 # if YYLTYPE_IS_TRIVIAL
825 # define YY_LOCATION_PRINT(File, Loc) \
826 fprintf (File, "%d.%d-%d.%d", \
827 (Loc).first_line, (Loc).first_column, \
828 (Loc).last_line, (Loc).last_column)
829 # else
830 # define YY_LOCATION_PRINT(File, Loc) ((void) 0)
831 # endif
832 #endif
833
834
835 /* YYLEX -- calling `yylex' with the right arguments. */
836
837 #ifdef YYLEX_PARAM
838 # define YYLEX yylex (&yylval, &yylloc, YYLEX_PARAM)
839 #else
840 # define YYLEX yylex (&yylval, &yylloc)
841 #endif
842
843 /* Enable debugging if requested. */
844 #if YYDEBUG
845
846 # ifndef YYFPRINTF
847 # include <stdio.h> /* INFRINGES ON USER NAME SPACE */
848 # define YYFPRINTF fprintf
849 # endif
850
851 # define YYDPRINTF(Args) \
852 do { \
853 if (yydebug) \
854 YYFPRINTF Args; \
855 } while (/*CONSTCOND*/ 0)
856
857 # define YY_SYMBOL_PRINT(Title, Type, Value, Location) \
858 do { \
859 if (yydebug) \
860 { \
861 YYFPRINTF (stderr, "%s ", Title); \
862 yysymprint (stderr, \
863 Type, Value, Location); \
864 YYFPRINTF (stderr, "\n"); \
865 } \
866 } while (/*CONSTCOND*/ 0)
867
868 /*------------------------------------------------------------------.
869 | yy_stack_print -- Print the state stack from its BOTTOM up to its |
870 | TOP (included). |
871 `------------------------------------------------------------------*/
872
873 #if defined (__STDC__) || defined (__cplusplus)
874 static void
875 yy_stack_print (short int *bottom, short int *top)
876 #else
877 static void
878 yy_stack_print (bottom, top)
879 short int *bottom;
880 short int *top;
881 #endif
882 {
883 YYFPRINTF (stderr, "Stack now");
884 for (/* Nothing. */; bottom <= top; ++bottom)
885 YYFPRINTF (stderr, " %d", *bottom);
886 YYFPRINTF (stderr, "\n");
887 }
888
889 # define YY_STACK_PRINT(Bottom, Top) \
890 do { \
891 if (yydebug) \
892 yy_stack_print ((Bottom), (Top)); \
893 } while (/*CONSTCOND*/ 0)
894
895
896 /*------------------------------------------------.
897 | Report that the YYRULE is going to be reduced. |
898 `------------------------------------------------*/
899
900 #if defined (__STDC__) || defined (__cplusplus)
901 static void
902 yy_reduce_print (int yyrule)
903 #else
904 static void
905 yy_reduce_print (yyrule)
906 int yyrule;
907 #endif
908 {
909 int yyi;
910 unsigned long int yylno = yyrline[yyrule];
911 YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu), ",
912 yyrule - 1, yylno);
913 /* Print the symbols being reduced, and their result. */
914 for (yyi = yyprhs[yyrule]; 0 <= yyrhs[yyi]; yyi++)
915 YYFPRINTF (stderr, "%s ", yytname[yyrhs[yyi]]);
916 YYFPRINTF (stderr, "-> %s\n", yytname[yyr1[yyrule]]);
917 }
918
919 # define YY_REDUCE_PRINT(Rule) \
920 do { \
921 if (yydebug) \
922 yy_reduce_print (Rule); \
923 } while (/*CONSTCOND*/ 0)
924
925 /* Nonzero means print parse trace. It is left uninitialized so that
926 multiple parsers can coexist. */
927 int yydebug;
928 #else /* !YYDEBUG */
929 # define YYDPRINTF(Args)
930 # define YY_SYMBOL_PRINT(Title, Type, Value, Location)
931 # define YY_STACK_PRINT(Bottom, Top)
932 # define YY_REDUCE_PRINT(Rule)
933 #endif /* !YYDEBUG */
934
935
936 /* YYINITDEPTH -- initial size of the parser's stacks. */
937 #ifndef YYINITDEPTH
938 # define YYINITDEPTH 200
939 #endif
940
941 /* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
942 if the built-in stack extension method is used).
943
944 Do not make this value too large; the results are undefined if
945 YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH)
946 evaluated with infinite-precision integer arithmetic. */
947
948 #ifndef YYMAXDEPTH
949 # define YYMAXDEPTH 10000
950 #endif
951
952 \f
953
954 #if YYERROR_VERBOSE
955
956 # ifndef yystrlen
957 # if defined (__GLIBC__) && defined (_STRING_H)
958 # define yystrlen strlen
959 # else
960 /* Return the length of YYSTR. */
961 static YYSIZE_T
962 # if defined (__STDC__) || defined (__cplusplus)
963 yystrlen (const char *yystr)
964 # else
965 yystrlen (yystr)
966 const char *yystr;
967 # endif
968 {
969 const char *yys = yystr;
970
971 while (*yys++ != '\0')
972 continue;
973
974 return yys - yystr - 1;
975 }
976 # endif
977 # endif
978
979 # ifndef yystpcpy
980 # if defined (__GLIBC__) && defined (_STRING_H) && defined (_GNU_SOURCE)
981 # define yystpcpy stpcpy
982 # else
983 /* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
984 YYDEST. */
985 static char *
986 # if defined (__STDC__) || defined (__cplusplus)
987 yystpcpy (char *yydest, const char *yysrc)
988 # else
989 yystpcpy (yydest, yysrc)
990 char *yydest;
991 const char *yysrc;
992 # endif
993 {
994 char *yyd = yydest;
995 const char *yys = yysrc;
996
997 while ((*yyd++ = *yys++) != '\0')
998 continue;
999
1000 return yyd - 1;
1001 }
1002 # endif
1003 # endif
1004
1005 # ifndef yytnamerr
1006 /* Copy to YYRES the contents of YYSTR after stripping away unnecessary
1007 quotes and backslashes, so that it's suitable for yyerror. The
1008 heuristic is that double-quoting is unnecessary unless the string
1009 contains an apostrophe, a comma, or backslash (other than
1010 backslash-backslash). YYSTR is taken from yytname. If YYRES is
1011 null, do not copy; instead, return the length of what the result
1012 would have been. */
1013 static YYSIZE_T
1014 yytnamerr (char *yyres, const char *yystr)
1015 {
1016 if (*yystr == '"')
1017 {
1018 size_t yyn = 0;
1019 char const *yyp = yystr;
1020
1021 for (;;)
1022 switch (*++yyp)
1023 {
1024 case '\'':
1025 case ',':
1026 goto do_not_strip_quotes;
1027
1028 case '\\':
1029 if (*++yyp != '\\')
1030 goto do_not_strip_quotes;
1031 /* Fall through. */
1032 default:
1033 if (yyres)
1034 yyres[yyn] = *yyp;
1035 yyn++;
1036 break;
1037
1038 case '"':
1039 if (yyres)
1040 yyres[yyn] = '\0';
1041 return yyn;
1042 }
1043 do_not_strip_quotes: ;
1044 }
1045
1046 if (! yyres)
1047 return yystrlen (yystr);
1048
1049 return yystpcpy (yyres, yystr) - yyres;
1050 }
1051 # endif
1052
1053 /* Copy into YYRESULT an error message about the unexpected token
1054 YYCHAR while in state YYSTATE. Return the number of bytes copied,
1055 including the terminating null byte. If YYRESULT is null, do not
1056 copy anything; just return the number of bytes that would be
1057 copied. As a special case, return 0 if an ordinary "syntax error"
1058 message will do. Return YYSIZE_MAXIMUM if overflow occurs during
1059 size calculation. */
1060 static YYSIZE_T
1061 yysyntax_error (char *yyresult, int yystate, int yychar)
1062 {
1063 int yyn = yypact[yystate];
1064
1065 if (! (YYPACT_NINF < yyn && yyn < YYLAST))
1066 return 0;
1067 else
1068 {
1069 int yytype = YYTRANSLATE (yychar);
1070 YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]);
1071 YYSIZE_T yysize = yysize0;
1072 YYSIZE_T yysize1;
1073 int yysize_overflow = 0;
1074 enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 };
1075 char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];
1076 int yyx;
1077
1078 # if 0
1079 /* This is so xgettext sees the translatable formats that are
1080 constructed on the fly. */
1081 YY_("syntax error, unexpected %s");
1082 YY_("syntax error, unexpected %s, expecting %s");
1083 YY_("syntax error, unexpected %s, expecting %s or %s");
1084 YY_("syntax error, unexpected %s, expecting %s or %s or %s");
1085 YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s");
1086 # endif
1087 char *yyfmt;
1088 char const *yyf;
1089 static char const yyunexpected[] = "syntax error, unexpected %s";
1090 static char const yyexpecting[] = ", expecting %s";
1091 static char const yyor[] = " or %s";
1092 char yyformat[sizeof yyunexpected
1093 + sizeof yyexpecting - 1
1094 + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2)
1095 * (sizeof yyor - 1))];
1096 char const *yyprefix = yyexpecting;
1097
1098 /* Start YYX at -YYN if negative to avoid negative indexes in
1099 YYCHECK. */
1100 int yyxbegin = yyn < 0 ? -yyn : 0;
1101
1102 /* Stay within bounds of both yycheck and yytname. */
1103 int yychecklim = YYLAST - yyn;
1104 int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
1105 int yycount = 1;
1106
1107 yyarg[0] = yytname[yytype];
1108 yyfmt = yystpcpy (yyformat, yyunexpected);
1109
1110 for (yyx = yyxbegin; yyx < yyxend; ++yyx)
1111 if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
1112 {
1113 if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
1114 {
1115 yycount = 1;
1116 yysize = yysize0;
1117 yyformat[sizeof yyunexpected - 1] = '\0';
1118 break;
1119 }
1120 yyarg[yycount++] = yytname[yyx];
1121 yysize1 = yysize + yytnamerr (0, yytname[yyx]);
1122 yysize_overflow |= yysize1 < yysize;
1123 yysize = yysize1;
1124 yyfmt = yystpcpy (yyfmt, yyprefix);
1125 yyprefix = yyor;
1126 }
1127
1128 yyf = YY_(yyformat);
1129 yysize1 = yysize + yystrlen (yyf);
1130 yysize_overflow |= yysize1 < yysize;
1131 yysize = yysize1;
1132
1133 if (yysize_overflow)
1134 return YYSIZE_MAXIMUM;
1135
1136 if (yyresult)
1137 {
1138 /* Avoid sprintf, as that infringes on the user's name space.
1139 Don't have undefined behavior even if the translation
1140 produced a string with the wrong number of "%s"s. */
1141 char *yyp = yyresult;
1142 int yyi = 0;
1143 while ((*yyp = *yyf))
1144 {
1145 if (*yyp == '%' && yyf[1] == 's' && yyi < yycount)
1146 {
1147 yyp += yytnamerr (yyp, yyarg[yyi++]);
1148 yyf += 2;
1149 }
1150 else
1151 {
1152 yyp++;
1153 yyf++;
1154 }
1155 }
1156 }
1157 return yysize;
1158 }
1159 }
1160 #endif /* YYERROR_VERBOSE */
1161 \f
1162
1163 #if YYDEBUG
1164 /*--------------------------------.
1165 | Print this symbol on YYOUTPUT. |
1166 `--------------------------------*/
1167
1168 #if defined (__STDC__) || defined (__cplusplus)
1169 static void
1170 yysymprint (FILE *yyoutput, int yytype, YYSTYPE *yyvaluep, YYLTYPE *yylocationp)
1171 #else
1172 static void
1173 yysymprint (yyoutput, yytype, yyvaluep, yylocationp)
1174 FILE *yyoutput;
1175 int yytype;
1176 YYSTYPE *yyvaluep;
1177 YYLTYPE *yylocationp;
1178 #endif
1179 {
1180 YYUSE (yyvaluep);
1181 YYUSE (yylocationp);
1182
1183 if (yytype < YYNTOKENS)
1184 YYFPRINTF (yyoutput, "token %s (", yytname[yytype]);
1185 else
1186 YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]);
1187
1188 YY_LOCATION_PRINT (yyoutput, *yylocationp);
1189 YYFPRINTF (yyoutput, ": ");
1190
1191 # ifdef YYPRINT
1192 if (yytype < YYNTOKENS)
1193 YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep);
1194 # endif
1195 switch (yytype)
1196 {
1197 case 3: /* "\"string\"" */
1198 #line 169 "parse-gram.y"
1199 { fprintf (stderr, "\"%s\"", (yyvaluep->chars)); };
1200 #line 1201 "parse-gram.c"
1201 break;
1202 case 4: /* "\"integer\"" */
1203 #line 182 "parse-gram.y"
1204 { fprintf (stderr, "%d", (yyvaluep->integer)); };
1205 #line 1206 "parse-gram.c"
1206 break;
1207 case 8: /* "\"%destructor {...}\"" */
1208 #line 171 "parse-gram.y"
1209 { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
1210 #line 1211 "parse-gram.c"
1211 break;
1212 case 9: /* "\"%printer {...}\"" */
1213 #line 175 "parse-gram.y"
1214 { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
1215 #line 1216 "parse-gram.c"
1216 break;
1217 case 10: /* "\"%union {...}\"" */
1218 #line 176 "parse-gram.y"
1219 { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
1220 #line 1221 "parse-gram.c"
1221 break;
1222 case 26: /* "\"%initial-action {...}\"" */
1223 #line 172 "parse-gram.y"
1224 { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
1225 #line 1226 "parse-gram.c"
1226 break;
1227 case 27: /* "\"%lex-param {...}\"" */
1228 #line 173 "parse-gram.y"
1229 { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
1230 #line 1231 "parse-gram.c"
1231 break;
1232 case 34: /* "\"%parse-param {...}\"" */
1233 #line 174 "parse-gram.y"
1234 { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
1235 #line 1236 "parse-gram.c"
1236 break;
1237 case 42: /* "\"type\"" */
1238 #line 180 "parse-gram.y"
1239 { fprintf (stderr, "<%s>", (yyvaluep->uniqstr)); };
1240 #line 1241 "parse-gram.c"
1241 break;
1242 case 46: /* "\"identifier\"" */
1243 #line 184 "parse-gram.y"
1244 { fprintf (stderr, "%s", (yyvaluep->symbol)->tag); };
1245 #line 1246 "parse-gram.c"
1246 break;
1247 case 47: /* "\"identifier:\"" */
1248 #line 186 "parse-gram.y"
1249 { fprintf (stderr, "%s:", (yyvaluep->symbol)->tag); };
1250 #line 1251 "parse-gram.c"
1251 break;
1252 case 49: /* "\"%{...%}\"" */
1253 #line 178 "parse-gram.y"
1254 { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
1255 #line 1256 "parse-gram.c"
1256 break;
1257 case 50: /* "\"epilogue\"" */
1258 #line 178 "parse-gram.y"
1259 { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
1260 #line 1261 "parse-gram.c"
1261 break;
1262 case 51: /* "\"{...}\"" */
1263 #line 177 "parse-gram.y"
1264 { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
1265 #line 1266 "parse-gram.c"
1266 break;
1267 case 72: /* "symbol" */
1268 #line 184 "parse-gram.y"
1269 { fprintf (stderr, "%s", (yyvaluep->symbol)->tag); };
1270 #line 1271 "parse-gram.c"
1271 break;
1272 case 73: /* "action" */
1273 #line 177 "parse-gram.y"
1274 { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
1275 #line 1276 "parse-gram.c"
1276 break;
1277 case 74: /* "string_as_id" */
1278 #line 184 "parse-gram.y"
1279 { fprintf (stderr, "%s", (yyvaluep->symbol)->tag); };
1280 #line 1281 "parse-gram.c"
1281 break;
1282 case 75: /* "string_content" */
1283 #line 169 "parse-gram.y"
1284 { fprintf (stderr, "\"%s\"", (yyvaluep->chars)); };
1285 #line 1286 "parse-gram.c"
1286 break;
1287 default:
1288 break;
1289 }
1290 YYFPRINTF (yyoutput, ")");
1291 }
1292
1293 #endif /* ! YYDEBUG */
1294 /*-----------------------------------------------.
1295 | Release the memory associated to this symbol. |
1296 `-----------------------------------------------*/
1297
1298 #if defined (__STDC__) || defined (__cplusplus)
1299 static void
1300 yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep, YYLTYPE *yylocationp)
1301 #else
1302 static void
1303 yydestruct (yymsg, yytype, yyvaluep, yylocationp)
1304 const char *yymsg;
1305 int yytype;
1306 YYSTYPE *yyvaluep;
1307 YYLTYPE *yylocationp;
1308 #endif
1309 {
1310 YYUSE (yyvaluep);
1311 YYUSE (yylocationp);
1312
1313 if (!yymsg)
1314 yymsg = "Deleting";
1315 YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp);
1316
1317 switch (yytype)
1318 {
1319
1320 default:
1321 break;
1322 }
1323 }
1324 \f
1325
1326 /* Prevent warnings from -Wmissing-prototypes. */
1327
1328 #ifdef YYPARSE_PARAM
1329 # if defined (__STDC__) || defined (__cplusplus)
1330 int yyparse (void *YYPARSE_PARAM);
1331 # else
1332 int yyparse ();
1333 # endif
1334 #else /* ! YYPARSE_PARAM */
1335 #if defined (__STDC__) || defined (__cplusplus)
1336 int yyparse (void);
1337 #else
1338 int yyparse ();
1339 #endif
1340 #endif /* ! YYPARSE_PARAM */
1341
1342
1343
1344
1345
1346
1347 /*----------.
1348 | yyparse. |
1349 `----------*/
1350
1351 #ifdef YYPARSE_PARAM
1352 # if defined (__STDC__) || defined (__cplusplus)
1353 int yyparse (void *YYPARSE_PARAM)
1354 # else
1355 int yyparse (YYPARSE_PARAM)
1356 void *YYPARSE_PARAM;
1357 # endif
1358 #else /* ! YYPARSE_PARAM */
1359 #if defined (__STDC__) || defined (__cplusplus)
1360 int
1361 yyparse (void)
1362 #else
1363 int
1364 yyparse ()
1365
1366 #endif
1367 #endif
1368 {
1369 /* The look-ahead symbol. */
1370 int yychar;
1371
1372 /* The semantic value of the look-ahead symbol. */
1373 YYSTYPE yylval;
1374
1375 /* Number of syntax errors so far. */
1376 int yynerrs;
1377 /* Location data for the look-ahead symbol. */
1378 YYLTYPE yylloc;
1379
1380 int yystate;
1381 int yyn;
1382 int yyresult;
1383 /* Number of tokens to shift before error messages enabled. */
1384 int yyerrstatus;
1385 /* Look-ahead token as an internal (translated) token number. */
1386 int yytoken = 0;
1387 #if YYERROR_VERBOSE
1388 /* Buffer for error messages, and its allocated size. */
1389 char yymsgbuf[128];
1390 char *yymsg = yymsgbuf;
1391 YYSIZE_T yymsg_alloc = sizeof yymsgbuf;
1392 #endif
1393
1394 /* Three stacks and their tools:
1395 `yyss': related to states,
1396 `yyvs': related to semantic values,
1397 `yyls': related to locations.
1398
1399 Refer to the stacks thru separate pointers, to allow yyoverflow
1400 to reallocate them elsewhere. */
1401
1402 /* The state stack. */
1403 short int yyssa[YYINITDEPTH];
1404 short int *yyss = yyssa;
1405 short int *yyssp;
1406
1407 /* The semantic value stack. */
1408 YYSTYPE yyvsa[YYINITDEPTH];
1409 YYSTYPE *yyvs = yyvsa;
1410 YYSTYPE *yyvsp;
1411
1412 /* The location stack. */
1413 YYLTYPE yylsa[YYINITDEPTH];
1414 YYLTYPE *yyls = yylsa;
1415 YYLTYPE *yylsp;
1416 /* The locations where the error started and ended. */
1417 YYLTYPE yyerror_range[2];
1418
1419 #define YYPOPSTACK (yyvsp--, yyssp--, yylsp--)
1420
1421 YYSIZE_T yystacksize = YYINITDEPTH;
1422
1423 /* The variables used to return semantic value and location from the
1424 action routines. */
1425 YYSTYPE yyval;
1426 YYLTYPE yyloc;
1427
1428 /* When reducing, the number of symbols on the RHS of the reduced
1429 rule. */
1430 int yylen;
1431
1432 YYDPRINTF ((stderr, "Starting parse\n"));
1433
1434 yystate = 0;
1435 yyerrstatus = 0;
1436 yynerrs = 0;
1437 yychar = YYEMPTY; /* Cause a token to be read. */
1438
1439 /* Initialize stack pointers.
1440 Waste one element of value and location stack
1441 so that they stay on the same level as the state stack.
1442 The wasted elements are never initialized. */
1443
1444 yyssp = yyss;
1445 yyvsp = yyvs;
1446 yylsp = yyls;
1447 #if YYLTYPE_IS_TRIVIAL
1448 /* Initialize the default location before parsing starts. */
1449 yylloc.first_line = yylloc.last_line = 1;
1450 yylloc.first_column = yylloc.last_column = 0;
1451 #endif
1452
1453
1454 /* User initialization code. */
1455 #line 72 "parse-gram.y"
1456 {
1457 /* Bison's grammar can initial empty locations, hence a default
1458 location is needed. */
1459 yylloc.start.file = yylloc.end.file = current_file;
1460 yylloc.start.line = yylloc.end.line = 1;
1461 yylloc.start.column = yylloc.end.column = 0;
1462 }
1463 /* Line 1056 of yacc.c. */
1464 #line 1465 "parse-gram.c"
1465 yylsp[0] = yylloc;
1466 goto yysetstate;
1467
1468 /*------------------------------------------------------------.
1469 | yynewstate -- Push a new state, which is found in yystate. |
1470 `------------------------------------------------------------*/
1471 yynewstate:
1472 /* In all cases, when you get here, the value and location stacks
1473 have just been pushed. so pushing a state here evens the stacks.
1474 */
1475 yyssp++;
1476
1477 yysetstate:
1478 *yyssp = yystate;
1479
1480 if (yyss + yystacksize - 1 <= yyssp)
1481 {
1482 /* Get the current used size of the three stacks, in elements. */
1483 YYSIZE_T yysize = yyssp - yyss + 1;
1484
1485 #ifdef yyoverflow
1486 {
1487 /* Give user a chance to reallocate the stack. Use copies of
1488 these so that the &'s don't force the real ones into
1489 memory. */
1490 YYSTYPE *yyvs1 = yyvs;
1491 short int *yyss1 = yyss;
1492 YYLTYPE *yyls1 = yyls;
1493
1494 /* Each stack pointer address is followed by the size of the
1495 data in use in that stack, in bytes. This used to be a
1496 conditional around just the two extra args, but that might
1497 be undefined if yyoverflow is a macro. */
1498 yyoverflow (YY_("memory exhausted"),
1499 &yyss1, yysize * sizeof (*yyssp),
1500 &yyvs1, yysize * sizeof (*yyvsp),
1501 &yyls1, yysize * sizeof (*yylsp),
1502 &yystacksize);
1503 yyls = yyls1;
1504 yyss = yyss1;
1505 yyvs = yyvs1;
1506 }
1507 #else /* no yyoverflow */
1508 # ifndef YYSTACK_RELOCATE
1509 goto yyexhaustedlab;
1510 # else
1511 /* Extend the stack our own way. */
1512 if (YYMAXDEPTH <= yystacksize)
1513 goto yyexhaustedlab;
1514 yystacksize *= 2;
1515 if (YYMAXDEPTH < yystacksize)
1516 yystacksize = YYMAXDEPTH;
1517
1518 {
1519 short int *yyss1 = yyss;
1520 union yyalloc *yyptr =
1521 (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
1522 if (! yyptr)
1523 goto yyexhaustedlab;
1524 YYSTACK_RELOCATE (yyss);
1525 YYSTACK_RELOCATE (yyvs);
1526 YYSTACK_RELOCATE (yyls);
1527 # undef YYSTACK_RELOCATE
1528 if (yyss1 != yyssa)
1529 YYSTACK_FREE (yyss1);
1530 }
1531 # endif
1532 #endif /* no yyoverflow */
1533
1534 yyssp = yyss + yysize - 1;
1535 yyvsp = yyvs + yysize - 1;
1536 yylsp = yyls + yysize - 1;
1537
1538 YYDPRINTF ((stderr, "Stack size increased to %lu\n",
1539 (unsigned long int) yystacksize));
1540
1541 if (yyss + yystacksize - 1 <= yyssp)
1542 YYABORT;
1543 }
1544
1545 YYDPRINTF ((stderr, "Entering state %d\n", yystate));
1546
1547 goto yybackup;
1548
1549 /*-----------.
1550 | yybackup. |
1551 `-----------*/
1552 yybackup:
1553
1554 /* Do appropriate processing given the current state. */
1555 /* Read a look-ahead token if we need one and don't already have one. */
1556 /* yyresume: */
1557
1558 /* First try to decide what to do without reference to look-ahead token. */
1559
1560 yyn = yypact[yystate];
1561 if (yyn == YYPACT_NINF)
1562 goto yydefault;
1563
1564 /* Not known => get a look-ahead token if don't already have one. */
1565
1566 /* YYCHAR is either YYEMPTY or YYEOF or a valid look-ahead symbol. */
1567 if (yychar == YYEMPTY)
1568 {
1569 YYDPRINTF ((stderr, "Reading a token: "));
1570 yychar = YYLEX;
1571 }
1572
1573 if (yychar <= YYEOF)
1574 {
1575 yychar = yytoken = YYEOF;
1576 YYDPRINTF ((stderr, "Now at end of input.\n"));
1577 }
1578 else
1579 {
1580 yytoken = YYTRANSLATE (yychar);
1581 YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc);
1582 }
1583
1584 /* If the proper action on seeing token YYTOKEN is to reduce or to
1585 detect an error, take that action. */
1586 yyn += yytoken;
1587 if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)
1588 goto yydefault;
1589 yyn = yytable[yyn];
1590 if (yyn <= 0)
1591 {
1592 if (yyn == 0 || yyn == YYTABLE_NINF)
1593 goto yyerrlab;
1594 yyn = -yyn;
1595 goto yyreduce;
1596 }
1597
1598 if (yyn == YYFINAL)
1599 YYACCEPT;
1600
1601 /* Shift the look-ahead token. */
1602 YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
1603
1604 /* Discard the token being shifted unless it is eof. */
1605 if (yychar != YYEOF)
1606 yychar = YYEMPTY;
1607
1608 *++yyvsp = yylval;
1609 *++yylsp = yylloc;
1610
1611 /* Count tokens shifted since error; after three, turn off error
1612 status. */
1613 if (yyerrstatus)
1614 yyerrstatus--;
1615
1616 yystate = yyn;
1617 goto yynewstate;
1618
1619
1620 /*-----------------------------------------------------------.
1621 | yydefault -- do the default action for the current state. |
1622 `-----------------------------------------------------------*/
1623 yydefault:
1624 yyn = yydefact[yystate];
1625 if (yyn == 0)
1626 goto yyerrlab;
1627 goto yyreduce;
1628
1629
1630 /*-----------------------------.
1631 | yyreduce -- Do a reduction. |
1632 `-----------------------------*/
1633 yyreduce:
1634 /* yyn is the number of a rule to reduce with. */
1635 yylen = yyr2[yyn];
1636
1637 /* If YYLEN is nonzero, implement the default value of the action:
1638 `$$ = $1'.
1639
1640 Otherwise, the following line sets YYVAL to garbage.
1641 This behavior is undocumented and Bison
1642 users should not rely upon it. Assigning to YYVAL
1643 unconditionally makes the parser a bit smaller, and it avoids a
1644 GCC warning that YYVAL may be used uninitialized. */
1645 yyval = yyvsp[1-yylen];
1646
1647 /* Default location. */
1648 YYLLOC_DEFAULT (yyloc, yylsp - yylen, yylen);
1649 YY_REDUCE_PRINT (yyn);
1650 switch (yyn)
1651 {
1652 case 6:
1653 #line 207 "parse-gram.y"
1654 { prologue_augment ((yyvsp[0].chars), (yylsp[0])); }
1655 break;
1656
1657 case 7:
1658 #line 208 "parse-gram.y"
1659 { debug_flag = true; }
1660 break;
1661
1662 case 8:
1663 #line 209 "parse-gram.y"
1664 { muscle_insert ((yyvsp[0].chars), "1"); }
1665 break;
1666
1667 case 9:
1668 #line 210 "parse-gram.y"
1669 { muscle_insert ((yyvsp[-1].chars), (yyvsp[0].chars)); }
1670 break;
1671
1672 case 10:
1673 #line 211 "parse-gram.y"
1674 { defines_flag = true; }
1675 break;
1676
1677 case 11:
1678 #line 212 "parse-gram.y"
1679 { error_verbose = true; }
1680 break;
1681
1682 case 12:
1683 #line 213 "parse-gram.y"
1684 { expected_sr_conflicts = (yyvsp[0].integer); }
1685 break;
1686
1687 case 13:
1688 #line 214 "parse-gram.y"
1689 { expected_rr_conflicts = (yyvsp[0].integer); }
1690 break;
1691
1692 case 14:
1693 #line 215 "parse-gram.y"
1694 { spec_file_prefix = (yyvsp[0].chars); }
1695 break;
1696
1697 case 15:
1698 #line 217 "parse-gram.y"
1699 {
1700 nondeterministic_parser = true;
1701 glr_parser = true;
1702 }
1703 break;
1704
1705 case 16:
1706 #line 222 "parse-gram.y"
1707 {
1708 muscle_code_grow ("initial_action", (yyvsp[0].chars), (yylsp[0]));
1709 }
1710 break;
1711
1712 case 17:
1713 #line 225 "parse-gram.y"
1714 { add_param ("lex_param", (yyvsp[0].chars), (yylsp[0])); }
1715 break;
1716
1717 case 18:
1718 #line 226 "parse-gram.y"
1719 { locations_flag = true; }
1720 break;
1721
1722 case 19:
1723 #line 227 "parse-gram.y"
1724 { spec_name_prefix = (yyvsp[0].chars); }
1725 break;
1726
1727 case 20:
1728 #line 228 "parse-gram.y"
1729 { no_lines_flag = true; }
1730 break;
1731
1732 case 21:
1733 #line 229 "parse-gram.y"
1734 { nondeterministic_parser = true; }
1735 break;
1736
1737 case 22:
1738 #line 230 "parse-gram.y"
1739 { spec_outfile = (yyvsp[0].chars); }
1740 break;
1741
1742 case 23:
1743 #line 231 "parse-gram.y"
1744 { add_param ("parse_param", (yyvsp[0].chars), (yylsp[0])); }
1745 break;
1746
1747 case 24:
1748 #line 232 "parse-gram.y"
1749 { pure_parser = true; }
1750 break;
1751
1752 case 25:
1753 #line 233 "parse-gram.y"
1754 { version_check (&(yylsp[0]), (yyvsp[0].chars)); }
1755 break;
1756
1757 case 26:
1758 #line 234 "parse-gram.y"
1759 { skeleton = (yyvsp[0].chars); }
1760 break;
1761
1762 case 27:
1763 #line 235 "parse-gram.y"
1764 { token_table_flag = true; }
1765 break;
1766
1767 case 28:
1768 #line 236 "parse-gram.y"
1769 { report_flag = report_states; }
1770 break;
1771
1772 case 29:
1773 #line 237 "parse-gram.y"
1774 { yacc_flag = true; }
1775 break;
1776
1777 case 33:
1778 #line 245 "parse-gram.y"
1779 {
1780 grammar_start_symbol_set ((yyvsp[0].symbol), (yylsp[0]));
1781 }
1782 break;
1783
1784 case 34:
1785 #line 249 "parse-gram.y"
1786 {
1787 typed = true;
1788 MUSCLE_INSERT_INT ("stype_line", (yylsp[0]).start.line);
1789 muscle_insert ("stype", (yyvsp[0].chars));
1790 }
1791 break;
1792
1793 case 35:
1794 #line 255 "parse-gram.y"
1795 {
1796 symbol_list *list;
1797 for (list = (yyvsp[0].list); list; list = list->next)
1798 symbol_destructor_set (list->sym, (yyvsp[-1].chars), (yylsp[-1]));
1799 symbol_list_free ((yyvsp[0].list));
1800 }
1801 break;
1802
1803 case 36:
1804 #line 262 "parse-gram.y"
1805 {
1806 symbol_list *list;
1807 for (list = (yyvsp[0].list); list; list = list->next)
1808 symbol_printer_set (list->sym, (yyvsp[-1].chars), list->location);
1809 symbol_list_free ((yyvsp[0].list));
1810 }
1811 break;
1812
1813 case 37:
1814 #line 269 "parse-gram.y"
1815 {
1816 default_prec = true;
1817 }
1818 break;
1819
1820 case 38:
1821 #line 273 "parse-gram.y"
1822 {
1823 default_prec = false;
1824 }
1825 break;
1826
1827 case 39:
1828 #line 279 "parse-gram.y"
1829 { current_class = nterm_sym; }
1830 break;
1831
1832 case 40:
1833 #line 280 "parse-gram.y"
1834 {
1835 current_class = unknown_sym;
1836 current_type = NULL;
1837 }
1838 break;
1839
1840 case 41:
1841 #line 284 "parse-gram.y"
1842 { current_class = token_sym; }
1843 break;
1844
1845 case 42:
1846 #line 285 "parse-gram.y"
1847 {
1848 current_class = unknown_sym;
1849 current_type = NULL;
1850 }
1851 break;
1852
1853 case 43:
1854 #line 290 "parse-gram.y"
1855 {
1856 symbol_list *list;
1857 for (list = (yyvsp[0].list); list; list = list->next)
1858 symbol_type_set (list->sym, (yyvsp[-1].uniqstr), (yylsp[-1]));
1859 symbol_list_free ((yyvsp[0].list));
1860 }
1861 break;
1862
1863 case 44:
1864 #line 300 "parse-gram.y"
1865 {
1866 symbol_list *list;
1867 ++current_prec;
1868 for (list = (yyvsp[0].list); list; list = list->next)
1869 {
1870 symbol_type_set (list->sym, current_type, (yylsp[-1]));
1871 symbol_precedence_set (list->sym, current_prec, (yyvsp[-2].assoc), (yylsp[-2]));
1872 }
1873 symbol_list_free ((yyvsp[0].list));
1874 current_type = NULL;
1875 }
1876 break;
1877
1878 case 45:
1879 #line 314 "parse-gram.y"
1880 { (yyval.assoc) = left_assoc; }
1881 break;
1882
1883 case 46:
1884 #line 315 "parse-gram.y"
1885 { (yyval.assoc) = right_assoc; }
1886 break;
1887
1888 case 47:
1889 #line 316 "parse-gram.y"
1890 { (yyval.assoc) = non_assoc; }
1891 break;
1892
1893 case 48:
1894 #line 320 "parse-gram.y"
1895 { current_type = NULL; }
1896 break;
1897
1898 case 49:
1899 #line 321 "parse-gram.y"
1900 { current_type = (yyvsp[0].uniqstr); }
1901 break;
1902
1903 case 50:
1904 #line 327 "parse-gram.y"
1905 { (yyval.list) = symbol_list_new ((yyvsp[0].symbol), (yylsp[0])); }
1906 break;
1907
1908 case 51:
1909 #line 328 "parse-gram.y"
1910 { (yyval.list) = symbol_list_prepend ((yyvsp[-1].list), (yyvsp[0].symbol), (yylsp[0])); }
1911 break;
1912
1913 case 52:
1914 #line 334 "parse-gram.y"
1915 {
1916 current_type = (yyvsp[0].uniqstr);
1917 }
1918 break;
1919
1920 case 53:
1921 #line 338 "parse-gram.y"
1922 {
1923 symbol_class_set ((yyvsp[0].symbol), current_class, (yylsp[0]));
1924 symbol_type_set ((yyvsp[0].symbol), current_type, (yylsp[0]));
1925 }
1926 break;
1927
1928 case 54:
1929 #line 343 "parse-gram.y"
1930 {
1931 symbol_class_set ((yyvsp[-1].symbol), current_class, (yylsp[-1]));
1932 symbol_type_set ((yyvsp[-1].symbol), current_type, (yylsp[-1]));
1933 symbol_user_token_number_set ((yyvsp[-1].symbol), (yyvsp[0].integer), (yylsp[0]));
1934 }
1935 break;
1936
1937 case 55:
1938 #line 349 "parse-gram.y"
1939 {
1940 symbol_class_set ((yyvsp[-1].symbol), current_class, (yylsp[-1]));
1941 symbol_type_set ((yyvsp[-1].symbol), current_type, (yylsp[-1]));
1942 symbol_make_alias ((yyvsp[-1].symbol), (yyvsp[0].symbol), (yyloc));
1943 }
1944 break;
1945
1946 case 56:
1947 #line 355 "parse-gram.y"
1948 {
1949 symbol_class_set ((yyvsp[-2].symbol), current_class, (yylsp[-2]));
1950 symbol_type_set ((yyvsp[-2].symbol), current_type, (yylsp[-2]));
1951 symbol_user_token_number_set ((yyvsp[-2].symbol), (yyvsp[-1].integer), (yylsp[-1]));
1952 symbol_make_alias ((yyvsp[-2].symbol), (yyvsp[0].symbol), (yyloc));
1953 }
1954 break;
1955
1956 case 62:
1957 #line 384 "parse-gram.y"
1958 {
1959 if (yacc_flag)
1960 complain_at ((yyloc), _("POSIX forbids declarations in the grammar"));
1961 }
1962 break;
1963
1964 case 63:
1965 #line 389 "parse-gram.y"
1966 {
1967 yyerrok;
1968 }
1969 break;
1970
1971 case 64:
1972 #line 395 "parse-gram.y"
1973 { current_lhs = (yyvsp[0].symbol); current_lhs_location = (yylsp[0]); }
1974 break;
1975
1976 case 66:
1977 #line 399 "parse-gram.y"
1978 { grammar_rule_end ((yylsp[0])); }
1979 break;
1980
1981 case 67:
1982 #line 400 "parse-gram.y"
1983 { grammar_rule_end ((yylsp[0])); }
1984 break;
1985
1986 case 69:
1987 #line 406 "parse-gram.y"
1988 { grammar_rule_begin (current_lhs, current_lhs_location); }
1989 break;
1990
1991 case 70:
1992 #line 408 "parse-gram.y"
1993 { grammar_current_rule_symbol_append ((yyvsp[0].symbol), (yylsp[0])); }
1994 break;
1995
1996 case 71:
1997 #line 410 "parse-gram.y"
1998 { grammar_current_rule_action_append ((yyvsp[0].chars), (yylsp[0])); }
1999 break;
2000
2001 case 72:
2002 #line 412 "parse-gram.y"
2003 { grammar_current_rule_prec_set ((yyvsp[0].symbol), (yylsp[0])); }
2004 break;
2005
2006 case 73:
2007 #line 414 "parse-gram.y"
2008 { grammar_current_rule_dprec_set ((yyvsp[0].integer), (yylsp[0])); }
2009 break;
2010
2011 case 74:
2012 #line 416 "parse-gram.y"
2013 { grammar_current_rule_merge_set ((yyvsp[0].uniqstr), (yylsp[0])); }
2014 break;
2015
2016 case 75:
2017 #line 420 "parse-gram.y"
2018 { (yyval.symbol) = (yyvsp[0].symbol); }
2019 break;
2020
2021 case 76:
2022 #line 421 "parse-gram.y"
2023 { (yyval.symbol) = (yyvsp[0].symbol); }
2024 break;
2025
2026 case 77:
2027 #line 426 "parse-gram.y"
2028 { (yyval.chars) = (yyvsp[0].chars); }
2029 break;
2030
2031 case 78:
2032 #line 432 "parse-gram.y"
2033 {
2034 (yyval.symbol) = symbol_get (quotearg_style (c_quoting_style, (yyvsp[0].chars)), (yylsp[0]));
2035 symbol_class_set ((yyval.symbol), token_sym, (yylsp[0]));
2036 }
2037 break;
2038
2039 case 79:
2040 #line 441 "parse-gram.y"
2041 { (yyval.chars) = (yyvsp[0].chars); }
2042 break;
2043
2044 case 81:
2045 #line 448 "parse-gram.y"
2046 {
2047 muscle_code_grow ("epilogue", (yyvsp[0].chars), (yylsp[0]));
2048 scanner_last_string_free ();
2049 }
2050 break;
2051
2052
2053 default: break;
2054 }
2055
2056 /* Line 1252 of yacc.c. */
2057 #line 2058 "parse-gram.c"
2058 \f
2059 yyvsp -= yylen;
2060 yyssp -= yylen;
2061 yylsp -= yylen;
2062
2063 YY_STACK_PRINT (yyss, yyssp);
2064
2065 *++yyvsp = yyval;
2066 *++yylsp = yyloc;
2067
2068 /* Now `shift' the result of the reduction. Determine what state
2069 that goes to, based on the state we popped back to and the rule
2070 number reduced by. */
2071
2072 yyn = yyr1[yyn];
2073
2074 yystate = yypgoto[yyn - YYNTOKENS] + *yyssp;
2075 if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp)
2076 yystate = yytable[yystate];
2077 else
2078 yystate = yydefgoto[yyn - YYNTOKENS];
2079
2080 goto yynewstate;
2081
2082
2083 /*------------------------------------.
2084 | yyerrlab -- here on detecting error |
2085 `------------------------------------*/
2086 yyerrlab:
2087 /* If not already recovering from an error, report this error. */
2088 if (!yyerrstatus)
2089 {
2090 ++yynerrs;
2091 #if ! YYERROR_VERBOSE
2092 yyerror (YY_("syntax error"));
2093 #else
2094 {
2095 YYSIZE_T yysize = yysyntax_error (0, yystate, yychar);
2096 if (yymsg_alloc < yysize && yymsg_alloc < YYSTACK_ALLOC_MAXIMUM)
2097 {
2098 YYSIZE_T yyalloc = 2 * yysize;
2099 if (! (yysize <= yyalloc && yyalloc <= YYSTACK_ALLOC_MAXIMUM))
2100 yyalloc = YYSTACK_ALLOC_MAXIMUM;
2101 if (yymsg != yymsgbuf)
2102 YYSTACK_FREE (yymsg);
2103 yymsg = (char *) YYSTACK_ALLOC (yyalloc);
2104 if (yymsg)
2105 yymsg_alloc = yyalloc;
2106 else
2107 {
2108 yymsg = yymsgbuf;
2109 yymsg_alloc = sizeof yymsgbuf;
2110 }
2111 }
2112
2113 if (0 < yysize && yysize <= yymsg_alloc)
2114 {
2115 (void) yysyntax_error (yymsg, yystate, yychar);
2116 yyerror (yymsg);
2117 }
2118 else
2119 {
2120 yyerror (YY_("syntax error"));
2121 if (yysize != 0)
2122 goto yyexhaustedlab;
2123 }
2124 }
2125 #endif
2126 }
2127
2128 yyerror_range[0] = yylloc;
2129
2130 if (yyerrstatus == 3)
2131 {
2132 /* If just tried and failed to reuse look-ahead token after an
2133 error, discard it. */
2134
2135 if (yychar <= YYEOF)
2136 {
2137 /* Return failure if at end of input. */
2138 if (yychar == YYEOF)
2139 YYABORT;
2140 }
2141 else
2142 {
2143 yydestruct ("Error: discarding", yytoken, &yylval, &yylloc);
2144 yychar = YYEMPTY;
2145 }
2146 }
2147
2148 /* Else will try to reuse look-ahead token after shifting the error
2149 token. */
2150 goto yyerrlab1;
2151
2152
2153 /*---------------------------------------------------.
2154 | yyerrorlab -- error raised explicitly by YYERROR. |
2155 `---------------------------------------------------*/
2156 yyerrorlab:
2157
2158 /* Pacify compilers like GCC when the user code never invokes
2159 YYERROR and the label yyerrorlab therefore never appears in user
2160 code. */
2161 if (/*CONSTCOND*/ 0)
2162 goto yyerrorlab;
2163
2164 yyerror_range[0] = yylsp[1-yylen];
2165 yylsp -= yylen;
2166 yyvsp -= yylen;
2167 yyssp -= yylen;
2168 yystate = *yyssp;
2169 goto yyerrlab1;
2170
2171
2172 /*-------------------------------------------------------------.
2173 | yyerrlab1 -- common code for both syntax error and YYERROR. |
2174 `-------------------------------------------------------------*/
2175 yyerrlab1:
2176 yyerrstatus = 3; /* Each real token shifted decrements this. */
2177
2178 for (;;)
2179 {
2180 yyn = yypact[yystate];
2181 if (yyn != YYPACT_NINF)
2182 {
2183 yyn += YYTERROR;
2184 if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)
2185 {
2186 yyn = yytable[yyn];
2187 if (0 < yyn)
2188 break;
2189 }
2190 }
2191
2192 /* Pop the current state because it cannot handle the error token. */
2193 if (yyssp == yyss)
2194 YYABORT;
2195
2196 yyerror_range[0] = *yylsp;
2197 yydestruct ("Error: popping", yystos[yystate], yyvsp, yylsp);
2198 YYPOPSTACK;
2199 yystate = *yyssp;
2200 YY_STACK_PRINT (yyss, yyssp);
2201 }
2202
2203 if (yyn == YYFINAL)
2204 YYACCEPT;
2205
2206 *++yyvsp = yylval;
2207
2208 yyerror_range[1] = yylloc;
2209 /* Using YYLLOC is tempting, but would change the location of
2210 the look-ahead. YYLOC is available though. */
2211 YYLLOC_DEFAULT (yyloc, yyerror_range - 1, 2);
2212 *++yylsp = yyloc;
2213
2214 /* Shift the error token. */
2215 YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp);
2216
2217 yystate = yyn;
2218 goto yynewstate;
2219
2220
2221 /*-------------------------------------.
2222 | yyacceptlab -- YYACCEPT comes here. |
2223 `-------------------------------------*/
2224 yyacceptlab:
2225 yyresult = 0;
2226 goto yyreturn;
2227
2228 /*-----------------------------------.
2229 | yyabortlab -- YYABORT comes here. |
2230 `-----------------------------------*/
2231 yyabortlab:
2232 yyresult = 1;
2233 goto yyreturn;
2234
2235 #ifndef yyoverflow
2236 /*-------------------------------------------------.
2237 | yyexhaustedlab -- memory exhaustion comes here. |
2238 `-------------------------------------------------*/
2239 yyexhaustedlab:
2240 yyerror (YY_("memory exhausted"));
2241 yyresult = 2;
2242 /* Fall through. */
2243 #endif
2244
2245 yyreturn:
2246 if (yychar != YYEOF && yychar != YYEMPTY)
2247 yydestruct ("Cleanup: discarding lookahead",
2248 yytoken, &yylval, &yylloc);
2249 while (yyssp != yyss)
2250 {
2251 yydestruct ("Cleanup: popping",
2252 yystos[*yyssp], yyvsp, yylsp);
2253 YYPOPSTACK;
2254 }
2255 #ifndef yyoverflow
2256 if (yyss != yyssa)
2257 YYSTACK_FREE (yyss);
2258 #endif
2259 #if YYERROR_VERBOSE
2260 if (yymsg != yymsgbuf)
2261 YYSTACK_FREE (yymsg);
2262 #endif
2263 return yyresult;
2264 }
2265
2266
2267 #line 454 "parse-gram.y"
2268
2269
2270
2271 /* Return the location of the left-hand side of a rule whose
2272 right-hand side is RHS[1] ... RHS[N]. Ignore empty nonterminals in
2273 the right-hand side, and return an empty location equal to the end
2274 boundary of RHS[0] if the right-hand side is empty. */
2275
2276 static YYLTYPE
2277 lloc_default (YYLTYPE const *rhs, int n)
2278 {
2279 int i;
2280 YYLTYPE loc;
2281
2282 /* SGI MIPSpro 7.4.1m miscompiles "loc.start = loc.end = rhs[n].end;".
2283 The bug is fixed in 7.4.2m, but play it safe for now. */
2284 loc.start = rhs[n].end;
2285 loc.end = rhs[n].end;
2286
2287 /* Ignore empty nonterminals the start of the the right-hand side.
2288 Do not bother to ignore them at the end of the right-hand side,
2289 since empty nonterminals have the same end as their predecessors. */
2290 for (i = 1; i <= n; i++)
2291 if (! equal_boundaries (rhs[i].start, rhs[i].end))
2292 {
2293 loc.start = rhs[i].start;
2294 break;
2295 }
2296
2297 return loc;
2298 }
2299
2300
2301 /* Add a lex-param or a parse-param (depending on TYPE) with
2302 declaration DECL and location LOC. */
2303
2304 static void
2305 add_param (char const *type, char *decl, location loc)
2306 {
2307 static char const alphanum[26 + 26 + 1 + 10] =
2308 "abcdefghijklmnopqrstuvwxyz"
2309 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
2310 "_"
2311 "0123456789";
2312 char const *name_start = NULL;
2313 char *p;
2314
2315 /* Stop on last actual character. */
2316 for (p = decl; p[1]; p++)
2317 if ((p == decl
2318 || ! memchr (alphanum, p[-1], sizeof alphanum))
2319 && memchr (alphanum, p[0], sizeof alphanum - 10))
2320 name_start = p;
2321
2322 /* Strip the surrounding '{' and '}', and any blanks just inside
2323 the braces. */
2324 while (*--p == ' ' || *p == '\t')
2325 continue;
2326 p[1] = '\0';
2327 while (*++decl == ' ' || *decl == '\t')
2328 continue;
2329
2330 if (! name_start)
2331 complain_at (loc, _("missing identifier in parameter declaration"));
2332 else
2333 {
2334 char *name;
2335 size_t name_len;
2336
2337 for (name_len = 1;
2338 memchr (alphanum, name_start[name_len], sizeof alphanum);
2339 name_len++)
2340 continue;
2341
2342 name = xmalloc (name_len + 1);
2343 memcpy (name, name_start, name_len);
2344 name[name_len] = '\0';
2345 muscle_pair_list_grow (type, decl, name);
2346 free (name);
2347 }
2348
2349 scanner_last_string_free ();
2350 }
2351
2352 static void
2353 version_check (location const *loc, char const *version)
2354 {
2355 if (strverscmp (version, PACKAGE_VERSION) > 0)
2356 complain_at (*loc, "require bison %s, but have %s",
2357 version, PACKAGE_VERSION);
2358 }
2359
2360 static void
2361 gram_error (location const *loc, char const *msg)
2362 {
2363 complain_at (*loc, "%s", msg);
2364 }
2365
2366 char const *
2367 token_name (int type)
2368 {
2369 return yytname[YYTRANSLATE (type)];
2370 }
2371