76abad682b20880635f5bcc2b961b858b486368c
[bison.git] / src / parse-gram.c
1 /* A Bison parser, made by GNU Bison 2.3+. */
2
3 /* Skeleton implementation for Bison's Yacc-like parsers in C
4
5 Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006
6 Free Software Foundation, Inc.
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2, or (at your option)
11 any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street, Fifth Floor,
21 Boston, MA 02110-1301, USA. */
22
23 /* As a special exception, you may create a larger work that contains
24 part or all of the Bison parser skeleton and distribute that work
25 under terms of your choice, so long as that work isn't itself a
26 parser generator using the skeleton or a modified version thereof
27 as a parser skeleton. Alternatively, if you modify or redistribute
28 the parser skeleton itself, you may (at your option) remove this
29 special exception, which will cause the skeleton and the resulting
30 Bison output files to be licensed under the GNU General Public
31 License without this special exception.
32
33 This special exception was added by the Free Software Foundation in
34 version 2.2 of Bison. */
35
36 /* C LALR(1) parser skeleton written by Richard Stallman, by
37 simplifying the original so-called "semantic" parser. */
38
39 /* All symbols defined below should begin with yy or YY, to avoid
40 infringing on user name space. This should be done even for local
41 variables, as they might otherwise be expanded by user macros.
42 There are some unavoidable exceptions within include files to
43 define necessary library symbols; they are noted "INFRINGES ON
44 USER NAME SPACE" below. */
45
46 /* Identify Bison output. */
47 #define YYBISON 1
48
49 /* Bison version. */
50 #define YYBISON_VERSION "2.3+"
51
52 /* Skeleton name. */
53 #define YYSKELETON_NAME "yacc.c"
54
55 /* Pure parsers. */
56 #define YYPURE 1
57
58 /* Using locations. */
59 #define YYLSP_NEEDED 1
60
61 /* Substitute the variable and function names. */
62 #define yyparse gram_parse
63 #define yylex gram_lex
64 #define yyerror gram_error
65 #define yylval gram_lval
66 #define yychar gram_char
67 #define yydebug gram_debug
68 #define yynerrs gram_nerrs
69 #define yylloc gram_lloc
70
71 /* Copy the first part of user declarations. */
72 #line 1 "parse-gram.y"
73 /* Bison Grammar Parser -*- C -*-
74
75 Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
76
77 This file is part of Bison, the GNU Compiler Compiler.
78
79 This program is free software; you can redistribute it and/or modify
80 it under the terms of the GNU General Public License as published by
81 the Free Software Foundation; either version 2 of the License, or
82 (at your option) any later version.
83
84 This program is distributed in the hope that it will be useful,
85 but WITHOUT ANY WARRANTY; without even the implied warranty of
86 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
87 GNU General Public License for more details.
88
89 You should have received a copy of the GNU General Public License
90 along with this program; if not, write to the Free Software
91 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
92 02110-1301 USA
93 */
94
95 #include <config.h>
96 #include "system.h"
97
98 #include "complain.h"
99 #include "conflicts.h"
100 #include "files.h"
101 #include "getargs.h"
102 #include "gram.h"
103 #include "muscle_tab.h"
104 #include "quotearg.h"
105 #include "reader.h"
106 #include "symlist.h"
107 #include "scan-gram.h"
108 #include "scan-code.h"
109 #include "strverscmp.h"
110
111 #define YYLLOC_DEFAULT(Current, Rhs, N) (Current) = lloc_default (Rhs, N)
112 static YYLTYPE lloc_default (YYLTYPE const *, int);
113
114 #define YY_LOCATION_PRINT(File, Loc) \
115 location_print (File, Loc)
116
117 static void version_check (location const *loc, char const *version);
118
119 /* Request detailed syntax error messages, and pass them to GRAM_ERROR.
120 FIXME: depends on the undocumented availability of YYLLOC. */
121 #undef yyerror
122 #define yyerror(Msg) \
123 gram_error (&yylloc, Msg)
124 static void gram_error (location const *, char const *);
125
126 static char const *char_name (char);
127
128 static void add_param (char const *, char *, location);
129
130 static symbol_class current_class = unknown_sym;
131 static uniqstr current_type = 0;
132 static symbol *current_lhs;
133 static location current_lhs_location;
134 static int current_prec = 0;
135
136 #ifdef UINT_FAST8_MAX
137 # define YYTYPE_UINT8 uint_fast8_t
138 #endif
139 #ifdef INT_FAST8_MAX
140 # define YYTYPE_INT8 int_fast8_t
141 #endif
142 #ifdef UINT_FAST16_MAX
143 # define YYTYPE_UINT16 uint_fast16_t
144 #endif
145 #ifdef INT_FAST16_MAX
146 # define YYTYPE_INT16 int_fast16_t
147 #endif
148
149
150 /* Enabling traces. */
151 #ifndef YYDEBUG
152 # define YYDEBUG 1
153 #endif
154
155 /* Enabling verbose error messages. */
156 #ifdef YYERROR_VERBOSE
157 # undef YYERROR_VERBOSE
158 # define YYERROR_VERBOSE 1
159 #else
160 # define YYERROR_VERBOSE 1
161 #endif
162
163 /* Enabling the token table. */
164 #ifndef YYTOKEN_TABLE
165 # define YYTOKEN_TABLE 0
166 #endif
167
168
169 /* Tokens. */
170 #ifndef YYTOKENTYPE
171 # define YYTOKENTYPE
172 /* Put the tokens into the symbol table, so that GDB and other debuggers
173 know about them. */
174 enum yytokentype {
175 GRAM_EOF = 0,
176 STRING = 258,
177 INT = 259,
178 PERCENT_TOKEN = 260,
179 PERCENT_NTERM = 261,
180 PERCENT_TYPE = 262,
181 PERCENT_DESTRUCTOR = 263,
182 PERCENT_PRINTER = 264,
183 PERCENT_LEFT = 265,
184 PERCENT_RIGHT = 266,
185 PERCENT_NONASSOC = 267,
186 PERCENT_PREC = 268,
187 PERCENT_DPREC = 269,
188 PERCENT_MERGE = 270,
189 PERCENT_AFTER_HEADER = 271,
190 PERCENT_BEFORE_HEADER = 272,
191 PERCENT_DEBUG = 273,
192 PERCENT_DEFAULT_PREC = 274,
193 PERCENT_DEFINE = 275,
194 PERCENT_DEFINES = 276,
195 PERCENT_END_HEADER = 277,
196 PERCENT_ERROR_VERBOSE = 278,
197 PERCENT_EXPECT = 279,
198 PERCENT_EXPECT_RR = 280,
199 PERCENT_FILE_PREFIX = 281,
200 PERCENT_GLR_PARSER = 282,
201 PERCENT_INITIAL_ACTION = 283,
202 PERCENT_LEX_PARAM = 284,
203 PERCENT_LOCATIONS = 285,
204 PERCENT_NAME_PREFIX = 286,
205 PERCENT_NO_DEFAULT_PREC = 287,
206 PERCENT_NO_LINES = 288,
207 PERCENT_NONDETERMINISTIC_PARSER = 289,
208 PERCENT_OUTPUT = 290,
209 PERCENT_PARSE_PARAM = 291,
210 PERCENT_PURE_PARSER = 292,
211 PERCENT_REQUIRE = 293,
212 PERCENT_SKELETON = 294,
213 PERCENT_START = 295,
214 PERCENT_START_HEADER = 296,
215 PERCENT_TOKEN_TABLE = 297,
216 PERCENT_VERBOSE = 298,
217 PERCENT_YACC = 299,
218 BRACED_CODE = 300,
219 CHAR = 301,
220 EPILOGUE = 302,
221 EQUAL = 303,
222 ID = 304,
223 ID_COLON = 305,
224 PERCENT_PERCENT = 306,
225 PIPE = 307,
226 PROLOGUE = 308,
227 SEMICOLON = 309,
228 TYPE = 310,
229 PERCENT_UNION = 311
230 };
231 #endif
232 /* Tokens. */
233 #define GRAM_EOF 0
234 #define STRING 258
235 #define INT 259
236 #define PERCENT_TOKEN 260
237 #define PERCENT_NTERM 261
238 #define PERCENT_TYPE 262
239 #define PERCENT_DESTRUCTOR 263
240 #define PERCENT_PRINTER 264
241 #define PERCENT_LEFT 265
242 #define PERCENT_RIGHT 266
243 #define PERCENT_NONASSOC 267
244 #define PERCENT_PREC 268
245 #define PERCENT_DPREC 269
246 #define PERCENT_MERGE 270
247 #define PERCENT_AFTER_HEADER 271
248 #define PERCENT_BEFORE_HEADER 272
249 #define PERCENT_DEBUG 273
250 #define PERCENT_DEFAULT_PREC 274
251 #define PERCENT_DEFINE 275
252 #define PERCENT_DEFINES 276
253 #define PERCENT_END_HEADER 277
254 #define PERCENT_ERROR_VERBOSE 278
255 #define PERCENT_EXPECT 279
256 #define PERCENT_EXPECT_RR 280
257 #define PERCENT_FILE_PREFIX 281
258 #define PERCENT_GLR_PARSER 282
259 #define PERCENT_INITIAL_ACTION 283
260 #define PERCENT_LEX_PARAM 284
261 #define PERCENT_LOCATIONS 285
262 #define PERCENT_NAME_PREFIX 286
263 #define PERCENT_NO_DEFAULT_PREC 287
264 #define PERCENT_NO_LINES 288
265 #define PERCENT_NONDETERMINISTIC_PARSER 289
266 #define PERCENT_OUTPUT 290
267 #define PERCENT_PARSE_PARAM 291
268 #define PERCENT_PURE_PARSER 292
269 #define PERCENT_REQUIRE 293
270 #define PERCENT_SKELETON 294
271 #define PERCENT_START 295
272 #define PERCENT_START_HEADER 296
273 #define PERCENT_TOKEN_TABLE 297
274 #define PERCENT_VERBOSE 298
275 #define PERCENT_YACC 299
276 #define BRACED_CODE 300
277 #define CHAR 301
278 #define EPILOGUE 302
279 #define EQUAL 303
280 #define ID 304
281 #define ID_COLON 305
282 #define PERCENT_PERCENT 306
283 #define PIPE 307
284 #define PROLOGUE 308
285 #define SEMICOLON 309
286 #define TYPE 310
287 #define PERCENT_UNION 311
288
289
290
291
292 #if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
293 typedef union YYSTYPE
294 #line 97 "parse-gram.y"
295 {
296 symbol *symbol;
297 symbol_list *list;
298 int integer;
299 char *chars;
300 assoc assoc;
301 uniqstr uniqstr;
302 unsigned char character;
303 }
304 /* Line 197 of yacc.c. */
305 #line 306 "parse-gram.c"
306 YYSTYPE;
307 # define yystype YYSTYPE /* obsolescent; will be withdrawn */
308 # define YYSTYPE_IS_DECLARED 1
309 # define YYSTYPE_IS_TRIVIAL 1
310 #endif
311
312 #if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED
313 typedef struct YYLTYPE
314 {
315 int first_line;
316 int first_column;
317 int last_line;
318 int last_column;
319 } YYLTYPE;
320 # define yyltype YYLTYPE /* obsolescent; will be withdrawn */
321 # define YYLTYPE_IS_DECLARED 1
322 # define YYLTYPE_IS_TRIVIAL 1
323 #endif
324
325
326 /* Copy the second part of user declarations. */
327
328
329 /* Line __line__ of yacc.c. */
330 #line 331 "parse-gram.c"
331
332 #ifdef short
333 # undef short
334 #endif
335
336 #ifdef YYTYPE_UINT8
337 typedef YYTYPE_UINT8 yytype_uint8;
338 #else
339 typedef unsigned char yytype_uint8;
340 #endif
341
342 #ifdef YYTYPE_INT8
343 typedef YYTYPE_INT8 yytype_int8;
344 #elif (defined __STDC__ || defined __C99__FUNC__ \
345 || defined __cplusplus || defined _MSC_VER)
346 typedef signed char yytype_int8;
347 #else
348 typedef short int yytype_int8;
349 #endif
350
351 #ifdef YYTYPE_UINT16
352 typedef YYTYPE_UINT16 yytype_uint16;
353 #else
354 typedef unsigned short int yytype_uint16;
355 #endif
356
357 #ifdef YYTYPE_INT16
358 typedef YYTYPE_INT16 yytype_int16;
359 #else
360 typedef short int yytype_int16;
361 #endif
362
363 #ifndef YYSIZE_T
364 # ifdef __SIZE_TYPE__
365 # define YYSIZE_T __SIZE_TYPE__
366 # elif defined size_t
367 # define YYSIZE_T size_t
368 # elif ! defined YYSIZE_T && (defined __STDC__ || defined __C99__FUNC__ \
369 || defined __cplusplus || defined _MSC_VER)
370 # include <stddef.h> /* INFRINGES ON USER NAME SPACE */
371 # define YYSIZE_T size_t
372 # else
373 # define YYSIZE_T unsigned int
374 # endif
375 #endif
376
377 #define YYSIZE_MAXIMUM ((YYSIZE_T) -1)
378
379 #ifndef YY_
380 # if YYENABLE_NLS
381 # if ENABLE_NLS
382 # include <libintl.h> /* INFRINGES ON USER NAME SPACE */
383 # define YY_(msgid) dgettext ("bison-runtime", msgid)
384 # endif
385 # endif
386 # ifndef YY_
387 # define YY_(msgid) msgid
388 # endif
389 #endif
390
391 /* Suppress unused-variable warnings by "using" E. */
392 #if ! defined lint || defined __GNUC__
393 # define YYUSE(e) ((void) (e))
394 #else
395 # define YYUSE(e) /* empty */
396 #endif
397
398 /* Identity function, used to suppress warnings about constant conditions. */
399 #ifndef lint
400 # define YYID(n) (n)
401 #else
402 #if (defined __STDC__ || defined __C99__FUNC__ \
403 || defined __cplusplus || defined _MSC_VER)
404 static int
405 YYID (int i)
406 #else
407 static int
408 YYID (i)
409 int i;
410 #endif
411 {
412 return i;
413 }
414 #endif
415
416 #if ! defined yyoverflow || YYERROR_VERBOSE
417
418 /* The parser invokes alloca or malloc; define the necessary symbols. */
419
420 # ifdef YYSTACK_USE_ALLOCA
421 # if YYSTACK_USE_ALLOCA
422 # ifdef __GNUC__
423 # define YYSTACK_ALLOC __builtin_alloca
424 # elif defined __BUILTIN_VA_ARG_INCR
425 # include <alloca.h> /* INFRINGES ON USER NAME SPACE */
426 # elif defined _AIX
427 # define YYSTACK_ALLOC __alloca
428 # elif defined _MSC_VER
429 # include <malloc.h> /* INFRINGES ON USER NAME SPACE */
430 # define alloca _alloca
431 # else
432 # define YYSTACK_ALLOC alloca
433 # if ! defined _ALLOCA_H && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
434 || defined __cplusplus || defined _MSC_VER)
435 # include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
436 # ifndef _STDLIB_H
437 # define _STDLIB_H 1
438 # endif
439 # endif
440 # endif
441 # endif
442 # endif
443
444 # ifdef YYSTACK_ALLOC
445 /* Pacify GCC's `empty if-body' warning. */
446 # define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0))
447 # ifndef YYSTACK_ALLOC_MAXIMUM
448 /* The OS might guarantee only one guard page at the bottom of the stack,
449 and a page size can be as small as 4096 bytes. So we cannot safely
450 invoke alloca (N) if N exceeds 4096. Use a slightly smaller number
451 to allow for a few compiler-allocated temporary stack slots. */
452 # define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */
453 # endif
454 # else
455 # define YYSTACK_ALLOC YYMALLOC
456 # define YYSTACK_FREE YYFREE
457 # ifndef YYSTACK_ALLOC_MAXIMUM
458 # define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
459 # endif
460 # if (defined __cplusplus && ! defined _STDLIB_H \
461 && ! ((defined YYMALLOC || defined malloc) \
462 && (defined YYFREE || defined free)))
463 # include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
464 # ifndef _STDLIB_H
465 # define _STDLIB_H 1
466 # endif
467 # endif
468 # ifndef YYMALLOC
469 # define YYMALLOC malloc
470 # if ! defined malloc && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
471 || defined __cplusplus || defined _MSC_VER)
472 void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
473 # endif
474 # endif
475 # ifndef YYFREE
476 # define YYFREE free
477 # if ! defined free && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
478 || defined __cplusplus || defined _MSC_VER)
479 void free (void *); /* INFRINGES ON USER NAME SPACE */
480 # endif
481 # endif
482 # endif
483 #endif /* ! defined yyoverflow || YYERROR_VERBOSE */
484
485
486 #if (! defined yyoverflow \
487 && (! defined __cplusplus \
488 || (defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL \
489 && defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
490
491 /* A type that is properly aligned for any stack member. */
492 union yyalloc
493 {
494 yytype_int16 yyss;
495 YYSTYPE yyvs;
496 YYLTYPE yyls;
497 };
498
499 /* The size of the maximum gap between one aligned stack and the next. */
500 # define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)
501
502 /* The size of an array large to enough to hold all stacks, each with
503 N elements. */
504 # define YYSTACK_BYTES(N) \
505 ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \
506 + 2 * YYSTACK_GAP_MAXIMUM)
507
508 /* Copy COUNT objects from FROM to TO. The source and destination do
509 not overlap. */
510 # ifndef YYCOPY
511 # if defined __GNUC__ && 1 < __GNUC__
512 # define YYCOPY(To, From, Count) \
513 __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
514 # else
515 # define YYCOPY(To, From, Count) \
516 do \
517 { \
518 YYSIZE_T yyi; \
519 for (yyi = 0; yyi < (Count); yyi++) \
520 (To)[yyi] = (From)[yyi]; \
521 } \
522 while (YYID (0))
523 # endif
524 # endif
525
526 /* Relocate STACK from its old location to the new one. The
527 local variables YYSIZE and YYSTACKSIZE give the old and new number of
528 elements in the stack, and YYPTR gives the new location of the
529 stack. Advance YYPTR to a properly aligned location for the next
530 stack. */
531 # define YYSTACK_RELOCATE(Stack) \
532 do \
533 { \
534 YYSIZE_T yynewbytes; \
535 YYCOPY (&yyptr->Stack, Stack, yysize); \
536 Stack = &yyptr->Stack; \
537 yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
538 yyptr += yynewbytes / sizeof (*yyptr); \
539 } \
540 while (YYID (0))
541
542 #endif
543
544 /* YYFINAL -- State number of the termination state. */
545 #define YYFINAL 3
546 /* YYLAST -- Last index in YYTABLE. */
547 #define YYLAST 192
548
549 /* YYNTOKENS -- Number of terminals. */
550 #define YYNTOKENS 57
551 /* YYNNTS -- Number of nonterminals. */
552 #define YYNNTS 27
553 /* YYNRULES -- Number of rules. */
554 #define YYNRULES 89
555 /* YYNRULES -- Number of states. */
556 #define YYNSTATES 128
557
558 /* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */
559 #define YYUNDEFTOK 2
560 #define YYMAXUTOK 311
561
562 #define YYTRANSLATE(YYX) \
563 ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
564
565 /* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */
566 static const yytype_uint8 yytranslate[] =
567 {
568 0, 2, 2, 2, 2, 2, 2, 2, 2, 2,
569 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
570 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
571 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
572 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
573 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
574 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
575 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
576 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
577 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
578 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
579 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
580 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
581 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
582 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
583 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
584 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
585 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
586 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
587 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
588 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
589 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
590 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
591 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
592 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
593 2, 2, 2, 2, 2, 2, 1, 2, 3, 4,
594 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
595 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
596 25, 26, 27, 28, 29, 30, 31, 32, 33, 34,
597 35, 36, 37, 38, 39, 40, 41, 42, 43, 44,
598 45, 46, 47, 48, 49, 50, 51, 52, 53, 54,
599 55, 56
600 };
601
602 #if YYDEBUG
603 /* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
604 YYRHS. */
605 static const yytype_uint8 yyprhs[] =
606 {
607 0, 0, 3, 8, 9, 12, 14, 16, 19, 22,
608 24, 27, 31, 33, 36, 38, 41, 44, 48, 50,
609 53, 56, 58, 62, 64, 66, 70, 73, 75, 78,
610 81, 84, 86, 88, 90, 92, 94, 96, 99, 103,
611 107, 109, 111, 112, 114, 118, 119, 123, 124, 128,
612 132, 136, 138, 140, 142, 143, 145, 147, 150, 152,
613 154, 157, 160, 164, 166, 169, 171, 174, 176, 179,
614 182, 183, 187, 189, 193, 196, 197, 200, 203, 207,
615 211, 215, 217, 219, 221, 223, 225, 227, 229, 230
616 };
617
618 /* YYRHS -- A `-1'-separated list of the rules' RHS. */
619 static const yytype_int8 yyrhs[] =
620 {
621 58, 0, -1, 59, 51, 72, 83, -1, -1, 59,
622 60, -1, 61, -1, 53, -1, 16, 45, -1, 17,
623 45, -1, 18, -1, 20, 82, -1, 20, 82, 82,
624 -1, 21, -1, 22, 45, -1, 23, -1, 24, 4,
625 -1, 25, 4, -1, 26, 48, 82, -1, 27, -1,
626 28, 45, -1, 29, 45, -1, 30, -1, 31, 48,
627 82, -1, 33, -1, 34, -1, 35, 48, 82, -1,
628 36, 45, -1, 37, -1, 38, 82, -1, 39, 82,
629 -1, 41, 45, -1, 42, -1, 43, -1, 44, -1,
630 54, -1, 66, -1, 63, -1, 40, 80, -1, 8,
631 45, 69, -1, 9, 45, 69, -1, 19, -1, 32,
632 -1, -1, 49, -1, 56, 62, 45, -1, -1, 6,
633 64, 71, -1, -1, 5, 65, 71, -1, 7, 55,
634 69, -1, 67, 68, 69, -1, 10, -1, 11, -1,
635 12, -1, -1, 55, -1, 80, -1, 69, 80, -1,
636 55, -1, 78, -1, 78, 4, -1, 78, 81, -1,
637 78, 4, 81, -1, 70, -1, 71, 70, -1, 73,
638 -1, 72, 73, -1, 74, -1, 61, 54, -1, 1,
639 54, -1, -1, 79, 75, 76, -1, 77, -1, 76,
640 52, 77, -1, 76, 54, -1, -1, 77, 80, -1,
641 77, 45, -1, 77, 13, 80, -1, 77, 14, 4,
642 -1, 77, 15, 55, -1, 49, -1, 46, -1, 50,
643 -1, 78, -1, 81, -1, 3, -1, 3, -1, -1,
644 51, 47, -1
645 };
646
647 /* YYRLINE[YYN] -- source line where rule number YYN was defined. */
648 static const yytype_uint16 yyrline[] =
649 {
650 0, 202, 202, 210, 212, 216, 217, 221, 227, 233,
651 234, 239, 240, 241, 247, 248, 249, 250, 251, 256,
652 260, 261, 262, 263, 264, 265, 266, 267, 268, 269,
653 270, 276, 277, 278, 279, 283, 284, 285, 289, 297,
654 305, 309, 323, 324, 328, 350, 350, 355, 355, 360,
655 370, 385, 386, 387, 391, 392, 397, 398, 403, 407,
656 412, 418, 424, 435, 436, 445, 446, 452, 453, 454,
657 461, 461, 465, 466, 467, 472, 473, 475, 477, 479,
658 481, 494, 496, 505, 510, 511, 516, 525, 530, 532
659 };
660 #endif
661
662 #if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE
663 /* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
664 First, the terminals, then, starting at YYNTOKENS, nonterminals. */
665 static const char *const yytname[] =
666 {
667 "\"end of file\"", "error", "$undefined", "\"string\"", "\"integer\"",
668 "\"%token\"", "\"%nterm\"", "\"%type\"", "\"%destructor\"",
669 "\"%printer\"", "\"%left\"", "\"%right\"", "\"%nonassoc\"", "\"%prec\"",
670 "\"%dprec\"", "\"%merge\"", "\"%after-header\"", "\"%before-header\"",
671 "\"%debug\"", "\"%default-prec\"", "\"%define\"", "\"%defines\"",
672 "\"%end-header\"", "\"%error-verbose\"", "\"%expect\"", "\"%expect-rr\"",
673 "\"%file-prefix\"", "\"%glr-parser\"", "\"%initial-action\"",
674 "\"%lex-param\"", "\"%locations\"", "\"%name-prefix\"",
675 "\"%no-default-prec\"", "\"%no-lines\"", "\"%nondeterministic-parser\"",
676 "\"%output\"", "\"%parse-param\"", "\"%pure-parser\"", "\"%require\"",
677 "\"%skeleton\"", "\"%start\"", "\"%start-header\"", "\"%token-table\"",
678 "\"%verbose\"", "\"%yacc\"", "\"{...}\"", "\"char\"", "\"epilogue\"",
679 "\"=\"", "\"identifier\"", "\"identifier:\"", "\"%%\"", "\"|\"",
680 "\"%{...%}\"", "\";\"", "\"type\"", "\"%union\"", "$accept", "input",
681 "declarations", "declaration", "grammar_declaration", "union_name",
682 "symbol_declaration", "@1", "@2", "precedence_declaration",
683 "precedence_declarator", "type.opt", "symbols.1", "symbol_def",
684 "symbol_defs.1", "grammar", "rules_or_grammar_declaration", "rules",
685 "@3", "rhses.1", "rhs", "id", "id_colon", "symbol", "string_as_id",
686 "string_content", "epilogue.opt", 0
687 };
688 #endif
689
690 # ifdef YYPRINT
691 /* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
692 token YYLEX-NUM. */
693 static const yytype_uint16 yytoknum[] =
694 {
695 0, 256, 257, 258, 259, 260, 261, 262, 263, 264,
696 265, 266, 267, 268, 269, 270, 271, 272, 273, 274,
697 275, 276, 277, 278, 279, 280, 281, 282, 283, 284,
698 285, 286, 287, 288, 289, 290, 291, 292, 293, 294,
699 295, 296, 297, 298, 299, 300, 301, 302, 303, 304,
700 305, 306, 307, 308, 309, 310, 311
701 };
702 # endif
703
704 /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
705 static const yytype_uint8 yyr1[] =
706 {
707 0, 57, 58, 59, 59, 60, 60, 60, 60, 60,
708 60, 60, 60, 60, 60, 60, 60, 60, 60, 60,
709 60, 60, 60, 60, 60, 60, 60, 60, 60, 60,
710 60, 60, 60, 60, 60, 61, 61, 61, 61, 61,
711 61, 61, 62, 62, 61, 64, 63, 65, 63, 63,
712 66, 67, 67, 67, 68, 68, 69, 69, 70, 70,
713 70, 70, 70, 71, 71, 72, 72, 73, 73, 73,
714 75, 74, 76, 76, 76, 77, 77, 77, 77, 77,
715 77, 78, 78, 79, 80, 80, 81, 82, 83, 83
716 };
717
718 /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
719 static const yytype_uint8 yyr2[] =
720 {
721 0, 2, 4, 0, 2, 1, 1, 2, 2, 1,
722 2, 3, 1, 2, 1, 2, 2, 3, 1, 2,
723 2, 1, 3, 1, 1, 3, 2, 1, 2, 2,
724 2, 1, 1, 1, 1, 1, 1, 2, 3, 3,
725 1, 1, 0, 1, 3, 0, 3, 0, 3, 3,
726 3, 1, 1, 1, 0, 1, 1, 2, 1, 1,
727 2, 2, 3, 1, 2, 1, 2, 1, 2, 2,
728 0, 3, 1, 3, 2, 0, 2, 2, 3, 3,
729 3, 1, 1, 1, 1, 1, 1, 1, 0, 2
730 };
731
732 /* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
733 STATE-NUM when YYTABLE doesn't specify something else to do. Zero
734 means the default is an error. */
735 static const yytype_uint8 yydefact[] =
736 {
737 3, 0, 0, 1, 47, 45, 0, 0, 0, 51,
738 52, 53, 0, 0, 9, 40, 0, 12, 0, 14,
739 0, 0, 0, 18, 0, 0, 21, 0, 41, 23,
740 24, 0, 0, 27, 0, 0, 0, 0, 31, 32,
741 33, 0, 6, 34, 42, 4, 5, 36, 35, 54,
742 0, 0, 0, 0, 0, 7, 8, 87, 10, 13,
743 15, 16, 0, 19, 20, 0, 0, 26, 28, 29,
744 86, 82, 81, 84, 37, 85, 30, 0, 83, 0,
745 0, 65, 67, 70, 43, 0, 55, 0, 58, 63,
746 48, 59, 46, 49, 56, 38, 39, 11, 17, 22,
747 25, 69, 68, 0, 66, 2, 75, 44, 50, 64,
748 60, 61, 57, 89, 71, 72, 62, 75, 74, 0,
749 0, 0, 77, 76, 73, 78, 79, 80
750 };
751
752 /* YYDEFGOTO[NTERM-NUM]. */
753 static const yytype_int8 yydefgoto[] =
754 {
755 -1, 1, 2, 45, 79, 85, 47, 51, 50, 48,
756 49, 87, 93, 89, 90, 80, 81, 82, 106, 114,
757 115, 73, 83, 94, 75, 58, 105
758 };
759
760 /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
761 STATE-NUM. */
762 #define YYPACT_NINF -76
763 static const yytype_int16 yypact[] =
764 {
765 -76, 6, 136, -76, -76, -76, -40, -12, -9, -76,
766 -76, -76, -5, 1, -76, -76, 40, -76, 5, -76,
767 47, 50, 7, -76, 11, 18, -76, 19, -76, -76,
768 -76, 20, 25, -76, 40, 40, -2, 26, -76, -76,
769 -76, 84, -76, -76, 27, -76, -76, -76, -76, 14,
770 -23, -23, -2, -2, -2, -76, -76, -76, 40, -76,
771 -76, -76, 40, -76, -76, 40, 40, -76, -76, -76,
772 -76, -76, -76, -76, -76, -76, -76, 21, -76, 23,
773 2, -76, -76, -76, -76, 28, -76, -2, -76, -76,
774 -23, 24, -23, -2, -76, -2, -2, -76, -76, -76,
775 -76, -76, -76, 31, -76, -76, -76, -76, -2, -76,
776 71, -76, -76, -76, -32, 16, -76, -76, -76, -2,
777 76, 29, -76, -76, 16, -76, -76, -76
778 };
779
780 /* YYPGOTO[NTERM-NUM]. */
781 static const yytype_int8 yypgoto[] =
782 {
783 -76, -76, -76, -76, 79, -76, -76, -76, -76, -76,
784 -76, -76, -49, -53, 35, -76, 17, -76, -76, -76,
785 -35, -26, -76, -36, -75, -17, -76
786 };
787
788 /* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If
789 positive, shift that token. If negative, reduce the rule which
790 number is the opposite. If zero, do what YYDEFACT says.
791 If YYTABLE_NINF, syntax error. */
792 #define YYTABLE_NINF -89
793 static const yytype_int8 yytable[] =
794 {
795 74, 70, -88, 77, 95, 96, 3, 4, 5, 6,
796 7, 8, 9, 10, 11, 52, 111, 68, 69, 70,
797 117, 15, 118, 71, 91, 91, 72, 70, 110, 119,
798 120, 121, 88, 53, 28, 116, 54, 109, 108, 109,
799 55, 97, 36, 57, 71, 98, 56, 72, 99, 100,
800 59, 60, 78, 103, 61, 62, 63, 112, 44, 112,
801 112, 122, 71, 64, 91, 72, 91, 65, 66, 86,
802 67, 76, 112, 107, 70, 101, 84, 102, 113, 123,
803 126, 46, 124, 125, 127, 77, 92, 0, 123, 4,
804 5, 6, 7, 8, 9, 10, 11, 104, 0, 0,
805 0, 0, 0, 15, 0, 0, 0, 0, 0, 0,
806 0, 0, 0, 0, 0, 0, 28, 0, 0, 0,
807 0, 0, 0, 0, 36, 0, 0, 0, 0, 0,
808 0, 0, 0, 0, 78, 0, 0, 0, 0, 0,
809 44, 4, 5, 6, 7, 8, 9, 10, 11, 0,
810 0, 0, 12, 13, 14, 15, 16, 17, 18, 19,
811 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
812 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
813 40, 0, 0, 0, 0, 0, 0, 41, 0, 42,
814 43, 0, 44
815 };
816
817 static const yytype_int8 yycheck[] =
818 {
819 36, 3, 0, 1, 53, 54, 0, 5, 6, 7,
820 8, 9, 10, 11, 12, 55, 91, 34, 35, 3,
821 52, 19, 54, 46, 50, 51, 49, 3, 4, 13,
822 14, 15, 55, 45, 32, 110, 45, 90, 87, 92,
823 45, 58, 40, 3, 46, 62, 45, 49, 65, 66,
824 45, 4, 50, 51, 4, 48, 45, 93, 56, 95,
825 96, 45, 46, 45, 90, 49, 92, 48, 48, 55,
826 45, 45, 108, 45, 3, 54, 49, 54, 47, 115,
827 4, 2, 117, 119, 55, 1, 51, -1, 124, 5,
828 6, 7, 8, 9, 10, 11, 12, 80, -1, -1,
829 -1, -1, -1, 19, -1, -1, -1, -1, -1, -1,
830 -1, -1, -1, -1, -1, -1, 32, -1, -1, -1,
831 -1, -1, -1, -1, 40, -1, -1, -1, -1, -1,
832 -1, -1, -1, -1, 50, -1, -1, -1, -1, -1,
833 56, 5, 6, 7, 8, 9, 10, 11, 12, -1,
834 -1, -1, 16, 17, 18, 19, 20, 21, 22, 23,
835 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
836 34, 35, 36, 37, 38, 39, 40, 41, 42, 43,
837 44, -1, -1, -1, -1, -1, -1, 51, -1, 53,
838 54, -1, 56
839 };
840
841 /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
842 symbol of state STATE-NUM. */
843 static const yytype_uint8 yystos[] =
844 {
845 0, 58, 59, 0, 5, 6, 7, 8, 9, 10,
846 11, 12, 16, 17, 18, 19, 20, 21, 22, 23,
847 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
848 34, 35, 36, 37, 38, 39, 40, 41, 42, 43,
849 44, 51, 53, 54, 56, 60, 61, 63, 66, 67,
850 65, 64, 55, 45, 45, 45, 45, 3, 82, 45,
851 4, 4, 48, 45, 45, 48, 48, 45, 82, 82,
852 3, 46, 49, 78, 80, 81, 45, 1, 50, 61,
853 72, 73, 74, 79, 49, 62, 55, 68, 55, 70,
854 71, 78, 71, 69, 80, 69, 69, 82, 82, 82,
855 82, 54, 54, 51, 73, 83, 75, 45, 69, 70,
856 4, 81, 80, 47, 76, 77, 81, 52, 54, 13,
857 14, 15, 45, 80, 77, 80, 4, 55
858 };
859
860 #define yyerrok (yyerrstatus = 0)
861 #define yyclearin (yychar = YYEMPTY)
862 #define YYEMPTY (-2)
863 #define YYEOF 0
864
865 #define YYACCEPT goto yyacceptlab
866 #define YYABORT goto yyabortlab
867 #define YYERROR goto yyerrorlab
868
869
870 /* Like YYERROR except do call yyerror. This remains here temporarily
871 to ease the transition to the new meaning of YYERROR, for GCC.
872 Once GCC version 2 has supplanted version 1, this can go. */
873
874 #define YYFAIL goto yyerrlab
875
876 #define YYRECOVERING() (!!yyerrstatus)
877
878 #define YYBACKUP(Token, Value) \
879 do \
880 if (yychar == YYEMPTY && yylen == 1) \
881 { \
882 yychar = (Token); \
883 yylval = (Value); \
884 yytoken = YYTRANSLATE (yychar); \
885 YYPOPSTACK (1); \
886 goto yybackup; \
887 } \
888 else \
889 { \
890 yyerror (YY_("syntax error: cannot back up")); \
891 YYERROR; \
892 } \
893 while (YYID (0))
894
895
896 #define YYTERROR 1
897 #define YYERRCODE 256
898
899
900 /* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N].
901 If N is 0, then set CURRENT to the empty location which ends
902 the previous symbol: RHS[0] (always defined). */
903
904 #define YYRHSLOC(Rhs, K) ((Rhs)[K])
905 #ifndef YYLLOC_DEFAULT
906 # define YYLLOC_DEFAULT(Current, Rhs, N) \
907 do \
908 if (YYID (N)) \
909 { \
910 (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \
911 (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \
912 (Current).last_line = YYRHSLOC (Rhs, N).last_line; \
913 (Current).last_column = YYRHSLOC (Rhs, N).last_column; \
914 } \
915 else \
916 { \
917 (Current).first_line = (Current).last_line = \
918 YYRHSLOC (Rhs, 0).last_line; \
919 (Current).first_column = (Current).last_column = \
920 YYRHSLOC (Rhs, 0).last_column; \
921 } \
922 while (YYID (0))
923 #endif
924
925
926 /* YY_LOCATION_PRINT -- Print the location on the stream.
927 This macro was not mandated originally: define only if we know
928 we won't break user code: when these are the locations we know. */
929
930 #ifndef YY_LOCATION_PRINT
931 # if YYLTYPE_IS_TRIVIAL
932 # define YY_LOCATION_PRINT(File, Loc) \
933 fprintf (File, "%d.%d-%d.%d", \
934 (Loc).first_line, (Loc).first_column, \
935 (Loc).last_line, (Loc).last_column)
936 # else
937 # define YY_LOCATION_PRINT(File, Loc) ((void) 0)
938 # endif
939 #endif
940
941
942 /* YYLEX -- calling `yylex' with the right arguments. */
943
944 #ifdef YYLEX_PARAM
945 # define YYLEX yylex (&yylval, &yylloc, YYLEX_PARAM)
946 #else
947 # define YYLEX yylex (&yylval, &yylloc)
948 #endif
949
950 /* Enable debugging if requested. */
951 #if YYDEBUG
952
953 # ifndef YYFPRINTF
954 # include <stdio.h> /* INFRINGES ON USER NAME SPACE */
955 # define YYFPRINTF fprintf
956 # endif
957
958 # define YYDPRINTF(Args) \
959 do { \
960 if (yydebug) \
961 YYFPRINTF Args; \
962 } while (YYID (0))
963
964 # define YY_SYMBOL_PRINT(Title, Type, Value, Location) \
965 do { \
966 if (yydebug) \
967 { \
968 YYFPRINTF (stderr, "%s ", Title); \
969 yy_symbol_print (stderr, \
970 Type, Value, Location); \
971 YYFPRINTF (stderr, "\n"); \
972 } \
973 } while (YYID (0))
974
975
976 /*--------------------------------.
977 | Print this symbol on YYOUTPUT. |
978 `--------------------------------*/
979
980 /*ARGSUSED*/
981 #if (defined __STDC__ || defined __C99__FUNC__ \
982 || defined __cplusplus || defined _MSC_VER)
983 static void
984 yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, YYLTYPE const * const yylocationp)
985 #else
986 static void
987 yy_symbol_value_print (yyoutput, yytype, yyvaluep, yylocationp)
988 FILE *yyoutput;
989 int yytype;
990 YYSTYPE const * const yyvaluep;
991 YYLTYPE const * const yylocationp;
992 #endif
993 {
994 if (!yyvaluep)
995 return;
996 YYUSE (yylocationp);
997 # ifdef YYPRINT
998 if (yytype < YYNTOKENS)
999 YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep);
1000 # else
1001 YYUSE (yyoutput);
1002 # endif
1003 switch (yytype)
1004 {
1005 case 3: /* "\"string\"" */
1006 #line 181 "parse-gram.y"
1007 { fputs (quotearg_style (c_quoting_style, (yyvaluep->chars)), stderr); };
1008 #line 1009 "parse-gram.c"
1009 break;
1010 case 4: /* "\"integer\"" */
1011 #line 191 "parse-gram.y"
1012 { fprintf (stderr, "%d", (yyvaluep->integer)); };
1013 #line 1014 "parse-gram.c"
1014 break;
1015 case 45: /* "\"{...}\"" */
1016 #line 183 "parse-gram.y"
1017 { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
1018 #line 1019 "parse-gram.c"
1019 break;
1020 case 46: /* "\"char\"" */
1021 #line 178 "parse-gram.y"
1022 { fputs (char_name ((yyvaluep->character)), stderr); };
1023 #line 1024 "parse-gram.c"
1024 break;
1025 case 47: /* "\"epilogue\"" */
1026 #line 183 "parse-gram.y"
1027 { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
1028 #line 1029 "parse-gram.c"
1029 break;
1030 case 49: /* "\"identifier\"" */
1031 #line 187 "parse-gram.y"
1032 { fputs ((yyvaluep->uniqstr), stderr); };
1033 #line 1034 "parse-gram.c"
1034 break;
1035 case 50: /* "\"identifier:\"" */
1036 #line 188 "parse-gram.y"
1037 { fprintf (stderr, "%s:", (yyvaluep->uniqstr)); };
1038 #line 1039 "parse-gram.c"
1039 break;
1040 case 53: /* "\"%{...%}\"" */
1041 #line 183 "parse-gram.y"
1042 { fprintf (stderr, "{\n%s\n}", (yyvaluep->chars)); };
1043 #line 1044 "parse-gram.c"
1044 break;
1045 case 55: /* "\"type\"" */
1046 #line 186 "parse-gram.y"
1047 { fprintf (stderr, "<%s>", (yyvaluep->uniqstr)); };
1048 #line 1049 "parse-gram.c"
1049 break;
1050 case 78: /* "id" */
1051 #line 194 "parse-gram.y"
1052 { fprintf (stderr, "%s", (yyvaluep->symbol)->tag); };
1053 #line 1054 "parse-gram.c"
1054 break;
1055 case 79: /* "id_colon" */
1056 #line 195 "parse-gram.y"
1057 { fprintf (stderr, "%s:", (yyvaluep->symbol)->tag); };
1058 #line 1059 "parse-gram.c"
1059 break;
1060 case 80: /* "symbol" */
1061 #line 194 "parse-gram.y"
1062 { fprintf (stderr, "%s", (yyvaluep->symbol)->tag); };
1063 #line 1064 "parse-gram.c"
1064 break;
1065 case 81: /* "string_as_id" */
1066 #line 194 "parse-gram.y"
1067 { fprintf (stderr, "%s", (yyvaluep->symbol)->tag); };
1068 #line 1069 "parse-gram.c"
1069 break;
1070 case 82: /* "string_content" */
1071 #line 181 "parse-gram.y"
1072 { fputs (quotearg_style (c_quoting_style, (yyvaluep->chars)), stderr); };
1073 #line 1074 "parse-gram.c"
1074 break;
1075 default:
1076 break;
1077 }
1078 }
1079
1080
1081 /*--------------------------------.
1082 | Print this symbol on YYOUTPUT. |
1083 `--------------------------------*/
1084
1085 #if (defined __STDC__ || defined __C99__FUNC__ \
1086 || defined __cplusplus || defined _MSC_VER)
1087 static void
1088 yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, YYLTYPE const * const yylocationp)
1089 #else
1090 static void
1091 yy_symbol_print (yyoutput, yytype, yyvaluep, yylocationp)
1092 FILE *yyoutput;
1093 int yytype;
1094 YYSTYPE const * const yyvaluep;
1095 YYLTYPE const * const yylocationp;
1096 #endif
1097 {
1098 if (yytype < YYNTOKENS)
1099 YYFPRINTF (yyoutput, "token %s (", yytname[yytype]);
1100 else
1101 YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]);
1102
1103 YY_LOCATION_PRINT (yyoutput, *yylocationp);
1104 YYFPRINTF (yyoutput, ": ");
1105 yy_symbol_value_print (yyoutput, yytype, yyvaluep, yylocationp);
1106 YYFPRINTF (yyoutput, ")");
1107 }
1108
1109 /*------------------------------------------------------------------.
1110 | yy_stack_print -- Print the state stack from its BOTTOM up to its |
1111 | TOP (included). |
1112 `------------------------------------------------------------------*/
1113
1114 #if (defined __STDC__ || defined __C99__FUNC__ \
1115 || defined __cplusplus || defined _MSC_VER)
1116 static void
1117 yy_stack_print (yytype_int16 *bottom, yytype_int16 *top)
1118 #else
1119 static void
1120 yy_stack_print (bottom, top)
1121 yytype_int16 *bottom;
1122 yytype_int16 *top;
1123 #endif
1124 {
1125 YYFPRINTF (stderr, "Stack now");
1126 for (; bottom <= top; ++bottom)
1127 YYFPRINTF (stderr, " %d", *bottom);
1128 YYFPRINTF (stderr, "\n");
1129 }
1130
1131 # define YY_STACK_PRINT(Bottom, Top) \
1132 do { \
1133 if (yydebug) \
1134 yy_stack_print ((Bottom), (Top)); \
1135 } while (YYID (0))
1136
1137
1138 /*------------------------------------------------.
1139 | Report that the YYRULE is going to be reduced. |
1140 `------------------------------------------------*/
1141
1142 #if (defined __STDC__ || defined __C99__FUNC__ \
1143 || defined __cplusplus || defined _MSC_VER)
1144 static void
1145 yy_reduce_print (YYSTYPE *yyvsp, YYLTYPE *yylsp, int yyrule)
1146 #else
1147 static void
1148 yy_reduce_print (yyvsp, yylsp, yyrule)
1149 YYSTYPE *yyvsp;
1150 YYLTYPE *yylsp;
1151 int yyrule;
1152 #endif
1153 {
1154 int yynrhs = yyr2[yyrule];
1155 int yyi;
1156 unsigned long int yylno = yyrline[yyrule];
1157 YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n",
1158 yyrule - 1, yylno);
1159 /* The symbols being reduced. */
1160 for (yyi = 0; yyi < yynrhs; yyi++)
1161 {
1162 fprintf (stderr, " $%d = ", yyi + 1);
1163 yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi],
1164 &(yyvsp[(yyi + 1) - (yynrhs)])
1165 , &(yylsp[(yyi + 1) - (yynrhs)]) );
1166 fprintf (stderr, "\n");
1167 }
1168 }
1169
1170 # define YY_REDUCE_PRINT(Rule) \
1171 do { \
1172 if (yydebug) \
1173 yy_reduce_print (yyvsp, yylsp, Rule); \
1174 } while (YYID (0))
1175
1176 /* Nonzero means print parse trace. It is left uninitialized so that
1177 multiple parsers can coexist. */
1178 int yydebug;
1179 #else /* !YYDEBUG */
1180 # define YYDPRINTF(Args)
1181 # define YY_SYMBOL_PRINT(Title, Type, Value, Location)
1182 # define YY_STACK_PRINT(Bottom, Top)
1183 # define YY_REDUCE_PRINT(Rule)
1184 #endif /* !YYDEBUG */
1185
1186
1187 /* YYINITDEPTH -- initial size of the parser's stacks. */
1188 #ifndef YYINITDEPTH
1189 # define YYINITDEPTH 200
1190 #endif
1191
1192 /* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
1193 if the built-in stack extension method is used).
1194
1195 Do not make this value too large; the results are undefined if
1196 YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH)
1197 evaluated with infinite-precision integer arithmetic. */
1198
1199 #ifndef YYMAXDEPTH
1200 # define YYMAXDEPTH 10000
1201 #endif
1202
1203 \f
1204
1205 #if YYERROR_VERBOSE
1206
1207 # ifndef yystrlen
1208 # if defined __GLIBC__ && defined _STRING_H
1209 # define yystrlen strlen
1210 # else
1211 /* Return the length of YYSTR. */
1212 #if (defined __STDC__ || defined __C99__FUNC__ \
1213 || defined __cplusplus || defined _MSC_VER)
1214 static YYSIZE_T
1215 yystrlen (const char *yystr)
1216 #else
1217 static YYSIZE_T
1218 yystrlen (yystr)
1219 const char *yystr;
1220 #endif
1221 {
1222 YYSIZE_T yylen;
1223 for (yylen = 0; yystr[yylen]; yylen++)
1224 continue;
1225 return yylen;
1226 }
1227 # endif
1228 # endif
1229
1230 # ifndef yystpcpy
1231 # if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE
1232 # define yystpcpy stpcpy
1233 # else
1234 /* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
1235 YYDEST. */
1236 #if (defined __STDC__ || defined __C99__FUNC__ \
1237 || defined __cplusplus || defined _MSC_VER)
1238 static char *
1239 yystpcpy (char *yydest, const char *yysrc)
1240 #else
1241 static char *
1242 yystpcpy (yydest, yysrc)
1243 char *yydest;
1244 const char *yysrc;
1245 #endif
1246 {
1247 char *yyd = yydest;
1248 const char *yys = yysrc;
1249
1250 while ((*yyd++ = *yys++) != '\0')
1251 continue;
1252
1253 return yyd - 1;
1254 }
1255 # endif
1256 # endif
1257
1258 # ifndef yytnamerr
1259 /* Copy to YYRES the contents of YYSTR after stripping away unnecessary
1260 quotes and backslashes, so that it's suitable for yyerror. The
1261 heuristic is that double-quoting is unnecessary unless the string
1262 contains an apostrophe, a comma, or backslash (other than
1263 backslash-backslash). YYSTR is taken from yytname. If YYRES is
1264 null, do not copy; instead, return the length of what the result
1265 would have been. */
1266 static YYSIZE_T
1267 yytnamerr (char *yyres, const char *yystr)
1268 {
1269 if (*yystr == '"')
1270 {
1271 YYSIZE_T yyn = 0;
1272 char const *yyp = yystr;
1273
1274 for (;;)
1275 switch (*++yyp)
1276 {
1277 case '\'':
1278 case ',':
1279 goto do_not_strip_quotes;
1280
1281 case '\\':
1282 if (*++yyp != '\\')
1283 goto do_not_strip_quotes;
1284 /* Fall through. */
1285 default:
1286 if (yyres)
1287 yyres[yyn] = *yyp;
1288 yyn++;
1289 break;
1290
1291 case '"':
1292 if (yyres)
1293 yyres[yyn] = '\0';
1294 return yyn;
1295 }
1296 do_not_strip_quotes: ;
1297 }
1298
1299 if (! yyres)
1300 return yystrlen (yystr);
1301
1302 return yystpcpy (yyres, yystr) - yyres;
1303 }
1304 # endif
1305
1306 /* Copy into YYRESULT an error message about the unexpected token
1307 YYCHAR while in state YYSTATE. Return the number of bytes copied,
1308 including the terminating null byte. If YYRESULT is null, do not
1309 copy anything; just return the number of bytes that would be
1310 copied. As a special case, return 0 if an ordinary "syntax error"
1311 message will do. Return YYSIZE_MAXIMUM if overflow occurs during
1312 size calculation. */
1313 static YYSIZE_T
1314 yysyntax_error (char *yyresult, int yystate, int yychar)
1315 {
1316 int yyn = yypact[yystate];
1317
1318 if (! (YYPACT_NINF < yyn && yyn <= YYLAST))
1319 return 0;
1320 else
1321 {
1322 int yytype = YYTRANSLATE (yychar);
1323 YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]);
1324 YYSIZE_T yysize = yysize0;
1325 YYSIZE_T yysize1;
1326 int yysize_overflow = 0;
1327 enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 };
1328 char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];
1329 int yyx;
1330
1331 # if 0
1332 /* This is so xgettext sees the translatable formats that are
1333 constructed on the fly. */
1334 YY_("syntax error, unexpected %s");
1335 YY_("syntax error, unexpected %s, expecting %s");
1336 YY_("syntax error, unexpected %s, expecting %s or %s");
1337 YY_("syntax error, unexpected %s, expecting %s or %s or %s");
1338 YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s");
1339 # endif
1340 char *yyfmt;
1341 char const *yyf;
1342 static char const yyunexpected[] = "syntax error, unexpected %s";
1343 static char const yyexpecting[] = ", expecting %s";
1344 static char const yyor[] = " or %s";
1345 char yyformat[sizeof yyunexpected
1346 + sizeof yyexpecting - 1
1347 + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2)
1348 * (sizeof yyor - 1))];
1349 char const *yyprefix = yyexpecting;
1350
1351 /* Start YYX at -YYN if negative to avoid negative indexes in
1352 YYCHECK. */
1353 int yyxbegin = yyn < 0 ? -yyn : 0;
1354
1355 /* Stay within bounds of both yycheck and yytname. */
1356 int yychecklim = YYLAST - yyn + 1;
1357 int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
1358 int yycount = 1;
1359
1360 yyarg[0] = yytname[yytype];
1361 yyfmt = yystpcpy (yyformat, yyunexpected);
1362
1363 for (yyx = yyxbegin; yyx < yyxend; ++yyx)
1364 if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
1365 {
1366 if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
1367 {
1368 yycount = 1;
1369 yysize = yysize0;
1370 yyformat[sizeof yyunexpected - 1] = '\0';
1371 break;
1372 }
1373 yyarg[yycount++] = yytname[yyx];
1374 yysize1 = yysize + yytnamerr (0, yytname[yyx]);
1375 yysize_overflow |= (yysize1 < yysize);
1376 yysize = yysize1;
1377 yyfmt = yystpcpy (yyfmt, yyprefix);
1378 yyprefix = yyor;
1379 }
1380
1381 yyf = YY_(yyformat);
1382 yysize1 = yysize + yystrlen (yyf);
1383 yysize_overflow |= (yysize1 < yysize);
1384 yysize = yysize1;
1385
1386 if (yysize_overflow)
1387 return YYSIZE_MAXIMUM;
1388
1389 if (yyresult)
1390 {
1391 /* Avoid sprintf, as that infringes on the user's name space.
1392 Don't have undefined behavior even if the translation
1393 produced a string with the wrong number of "%s"s. */
1394 char *yyp = yyresult;
1395 int yyi = 0;
1396 while ((*yyp = *yyf) != '\0')
1397 {
1398 if (*yyp == '%' && yyf[1] == 's' && yyi < yycount)
1399 {
1400 yyp += yytnamerr (yyp, yyarg[yyi++]);
1401 yyf += 2;
1402 }
1403 else
1404 {
1405 yyp++;
1406 yyf++;
1407 }
1408 }
1409 }
1410 return yysize;
1411 }
1412 }
1413 #endif /* YYERROR_VERBOSE */
1414 \f
1415
1416 /*-----------------------------------------------.
1417 | Release the memory associated to this symbol. |
1418 `-----------------------------------------------*/
1419
1420 /*ARGSUSED*/
1421 #if (defined __STDC__ || defined __C99__FUNC__ \
1422 || defined __cplusplus || defined _MSC_VER)
1423 static void
1424 yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep, YYLTYPE *yylocationp)
1425 #else
1426 static void
1427 yydestruct (yymsg, yytype, yyvaluep, yylocationp)
1428 const char *yymsg;
1429 int yytype;
1430 YYSTYPE *yyvaluep;
1431 YYLTYPE *yylocationp;
1432 #endif
1433 {
1434 YYUSE (yyvaluep);
1435 YYUSE (yylocationp);
1436
1437 if (!yymsg)
1438 yymsg = "Deleting";
1439 YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp);
1440
1441 switch (yytype)
1442 {
1443
1444 default:
1445 break;
1446 }
1447 }
1448 \f
1449
1450 /* Prevent warnings from -Wmissing-prototypes. */
1451
1452 #ifdef YYPARSE_PARAM
1453 #if defined __STDC__ || defined __cplusplus
1454 int yyparse (void *YYPARSE_PARAM);
1455 #else
1456 int yyparse ();
1457 #endif
1458 #else /* ! YYPARSE_PARAM */
1459 #if defined __STDC__ || defined __cplusplus
1460 int yyparse (void);
1461 #else
1462 int yyparse ();
1463 #endif
1464 #endif /* ! YYPARSE_PARAM */
1465
1466
1467
1468
1469
1470
1471 /*----------.
1472 | yyparse. |
1473 `----------*/
1474
1475 #ifdef YYPARSE_PARAM
1476 #if (defined __STDC__ || defined __C99__FUNC__ \
1477 || defined __cplusplus || defined _MSC_VER)
1478 int
1479 yyparse (void *YYPARSE_PARAM)
1480 #else
1481 int
1482 yyparse (YYPARSE_PARAM)
1483 void *YYPARSE_PARAM;
1484 #endif
1485 #else /* ! YYPARSE_PARAM */
1486 #if (defined __STDC__ || defined __C99__FUNC__ \
1487 || defined __cplusplus || defined _MSC_VER)
1488 int
1489 yyparse (void)
1490 #else
1491 int
1492 yyparse ()
1493
1494 #endif
1495 #endif
1496 {
1497 /* The lookahead symbol. */
1498 int yychar;
1499
1500 /* The semantic value of the lookahead symbol. */
1501 YYSTYPE yylval;
1502
1503 /* Number of syntax errors so far. */
1504 int yynerrs;
1505 /* Location data for the lookahead symbol. */
1506 YYLTYPE yylloc;
1507
1508 int yystate;
1509 int yyn;
1510 int yyresult;
1511 /* Number of tokens to shift before error messages enabled. */
1512 int yyerrstatus;
1513 /* Lookahead token as an internal (translated) token number. */
1514 int yytoken = 0;
1515 #if YYERROR_VERBOSE
1516 /* Buffer for error messages, and its allocated size. */
1517 char yymsgbuf[128];
1518 char *yymsg = yymsgbuf;
1519 YYSIZE_T yymsg_alloc = sizeof yymsgbuf;
1520 #endif
1521
1522 /* Three stacks and their tools:
1523 `yyss': related to states,
1524 `yyvs': related to semantic values,
1525 `yyls': related to locations.
1526
1527 Refer to the stacks thru separate pointers, to allow yyoverflow
1528 to reallocate them elsewhere. */
1529
1530 /* The state stack. */
1531 yytype_int16 yyssa[YYINITDEPTH];
1532 yytype_int16 *yyss = yyssa;
1533 yytype_int16 *yyssp;
1534
1535 /* The semantic value stack. */
1536 YYSTYPE yyvsa[YYINITDEPTH];
1537 YYSTYPE *yyvs = yyvsa;
1538 YYSTYPE *yyvsp;
1539
1540 /* The location stack. */
1541 YYLTYPE yylsa[YYINITDEPTH];
1542 YYLTYPE *yyls = yylsa;
1543 YYLTYPE *yylsp;
1544 /* The locations where the error started and ended. */
1545 YYLTYPE yyerror_range[2];
1546
1547 #define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N), yylsp -= (N))
1548
1549 YYSIZE_T yystacksize = YYINITDEPTH;
1550
1551 /* The variables used to return semantic value and location from the
1552 action routines. */
1553 YYSTYPE yyval;
1554 YYLTYPE yyloc;
1555
1556 /* The number of symbols on the RHS of the reduced rule.
1557 Keep to zero when no symbol should be popped. */
1558 int yylen = 0;
1559
1560 YYDPRINTF ((stderr, "Starting parse\n"));
1561
1562 yystate = 0;
1563 yyerrstatus = 0;
1564 yynerrs = 0;
1565 yychar = YYEMPTY; /* Cause a token to be read. */
1566
1567 /* Initialize stack pointers.
1568 Waste one element of value and location stack
1569 so that they stay on the same level as the state stack.
1570 The wasted elements are never initialized. */
1571
1572 yyssp = yyss;
1573 yyvsp = yyvs;
1574 yylsp = yyls;
1575 #if YYLTYPE_IS_TRIVIAL
1576 /* Initialize the default location before parsing starts. */
1577 yylloc.first_line = yylloc.last_line = 1;
1578 yylloc.first_column = yylloc.last_column = 0;
1579 #endif
1580
1581
1582 /* User initialization code. */
1583 #line 88 "parse-gram.y"
1584 {
1585 /* Bison's grammar can initial empty locations, hence a default
1586 location is needed. */
1587 boundary_set (&yylloc.start, current_file, 1, 0);
1588 boundary_set (&yylloc.end, current_file, 1, 0);
1589 }
1590 /* Line 1085 of yacc.c. */
1591 #line 1592 "parse-gram.c"
1592 yylsp[0] = yylloc;
1593 goto yysetstate;
1594
1595 /*------------------------------------------------------------.
1596 | yynewstate -- Push a new state, which is found in yystate. |
1597 `------------------------------------------------------------*/
1598 yynewstate:
1599 /* In all cases, when you get here, the value and location stacks
1600 have just been pushed. So pushing a state here evens the stacks. */
1601 yyssp++;
1602
1603 yysetstate:
1604 *yyssp = yystate;
1605
1606 if (yyss + yystacksize - 1 <= yyssp)
1607 {
1608 /* Get the current used size of the three stacks, in elements. */
1609 YYSIZE_T yysize = yyssp - yyss + 1;
1610
1611 #ifdef yyoverflow
1612 {
1613 /* Give user a chance to reallocate the stack. Use copies of
1614 these so that the &'s don't force the real ones into
1615 memory. */
1616 YYSTYPE *yyvs1 = yyvs;
1617 yytype_int16 *yyss1 = yyss;
1618 YYLTYPE *yyls1 = yyls;
1619
1620 /* Each stack pointer address is followed by the size of the
1621 data in use in that stack, in bytes. This used to be a
1622 conditional around just the two extra args, but that might
1623 be undefined if yyoverflow is a macro. */
1624 yyoverflow (YY_("memory exhausted"),
1625 &yyss1, yysize * sizeof (*yyssp),
1626 &yyvs1, yysize * sizeof (*yyvsp),
1627 &yyls1, yysize * sizeof (*yylsp),
1628 &yystacksize);
1629 yyls = yyls1;
1630 yyss = yyss1;
1631 yyvs = yyvs1;
1632 }
1633 #else /* no yyoverflow */
1634 # ifndef YYSTACK_RELOCATE
1635 goto yyexhaustedlab;
1636 # else
1637 /* Extend the stack our own way. */
1638 if (YYMAXDEPTH <= yystacksize)
1639 goto yyexhaustedlab;
1640 yystacksize *= 2;
1641 if (YYMAXDEPTH < yystacksize)
1642 yystacksize = YYMAXDEPTH;
1643
1644 {
1645 yytype_int16 *yyss1 = yyss;
1646 union yyalloc *yyptr =
1647 (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
1648 if (! yyptr)
1649 goto yyexhaustedlab;
1650 YYSTACK_RELOCATE (yyss);
1651 YYSTACK_RELOCATE (yyvs);
1652 YYSTACK_RELOCATE (yyls);
1653 # undef YYSTACK_RELOCATE
1654 if (yyss1 != yyssa)
1655 YYSTACK_FREE (yyss1);
1656 }
1657 # endif
1658 #endif /* no yyoverflow */
1659
1660 yyssp = yyss + yysize - 1;
1661 yyvsp = yyvs + yysize - 1;
1662 yylsp = yyls + yysize - 1;
1663
1664 YYDPRINTF ((stderr, "Stack size increased to %lu\n",
1665 (unsigned long int) yystacksize));
1666
1667 if (yyss + yystacksize - 1 <= yyssp)
1668 YYABORT;
1669 }
1670
1671 YYDPRINTF ((stderr, "Entering state %d\n", yystate));
1672
1673 goto yybackup;
1674
1675 /*-----------.
1676 | yybackup. |
1677 `-----------*/
1678 yybackup:
1679
1680 /* Do appropriate processing given the current state. Read a
1681 lookahead token if we need one and don't already have one. */
1682
1683 /* First try to decide what to do without reference to lookahead token. */
1684 yyn = yypact[yystate];
1685 if (yyn == YYPACT_NINF)
1686 goto yydefault;
1687
1688 /* Not known => get a lookahead token if don't already have one. */
1689
1690 /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */
1691 if (yychar == YYEMPTY)
1692 {
1693 YYDPRINTF ((stderr, "Reading a token: "));
1694 yychar = YYLEX;
1695 }
1696
1697 if (yychar <= YYEOF)
1698 {
1699 yychar = yytoken = YYEOF;
1700 YYDPRINTF ((stderr, "Now at end of input.\n"));
1701 }
1702 else
1703 {
1704 yytoken = YYTRANSLATE (yychar);
1705 YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc);
1706 }
1707
1708 /* If the proper action on seeing token YYTOKEN is to reduce or to
1709 detect an error, take that action. */
1710 yyn += yytoken;
1711 if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)
1712 goto yydefault;
1713 yyn = yytable[yyn];
1714 if (yyn <= 0)
1715 {
1716 if (yyn == 0 || yyn == YYTABLE_NINF)
1717 goto yyerrlab;
1718 yyn = -yyn;
1719 goto yyreduce;
1720 }
1721
1722 if (yyn == YYFINAL)
1723 YYACCEPT;
1724
1725 /* Count tokens shifted since error; after three, turn off error
1726 status. */
1727 if (yyerrstatus)
1728 yyerrstatus--;
1729
1730 /* Shift the lookahead token. */
1731 YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
1732
1733 /* Discard the shifted token unless it is eof. */
1734 if (yychar != YYEOF)
1735 yychar = YYEMPTY;
1736
1737 yystate = yyn;
1738 *++yyvsp = yylval;
1739 *++yylsp = yylloc;
1740 goto yynewstate;
1741
1742
1743 /*-----------------------------------------------------------.
1744 | yydefault -- do the default action for the current state. |
1745 `-----------------------------------------------------------*/
1746 yydefault:
1747 yyn = yydefact[yystate];
1748 if (yyn == 0)
1749 goto yyerrlab;
1750 goto yyreduce;
1751
1752
1753 /*-----------------------------.
1754 | yyreduce -- Do a reduction. |
1755 `-----------------------------*/
1756 yyreduce:
1757 /* yyn is the number of a rule to reduce with. */
1758 yylen = yyr2[yyn];
1759
1760 /* If YYLEN is nonzero, implement the default value of the action:
1761 `$$ = $1'.
1762
1763 Otherwise, the following line sets YYVAL to garbage.
1764 This behavior is undocumented and Bison
1765 users should not rely upon it. Assigning to YYVAL
1766 unconditionally makes the parser a bit smaller, and it avoids a
1767 GCC warning that YYVAL may be used uninitialized. */
1768 yyval = yyvsp[1-yylen];
1769
1770 /* Default location. */
1771 YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen);
1772 YY_REDUCE_PRINT (yyn);
1773 switch (yyn)
1774 {
1775 case 6:
1776 #line 218 "parse-gram.y"
1777 {
1778 prologue_augment (translate_code ((yyvsp[(1) - (1)].chars), (yylsp[(1) - (1)])), (yylsp[(1) - (1)]), typed);
1779 }
1780 break;
1781
1782 case 7:
1783 #line 222 "parse-gram.y"
1784 {
1785 /* Remove the '{', and replace the '}' with '\n'. */
1786 (yyvsp[(2) - (2)].chars)[strlen ((yyvsp[(2) - (2)].chars)) - 1] = '\n';
1787 prologue_augment (translate_code ((yyvsp[(2) - (2)].chars)+1, (yylsp[(2) - (2)])), (yylsp[(2) - (2)]), true);
1788 }
1789 break;
1790
1791 case 8:
1792 #line 228 "parse-gram.y"
1793 {
1794 /* Remove the '{', and replace the '}' with '\n'. */
1795 (yyvsp[(2) - (2)].chars)[strlen ((yyvsp[(2) - (2)].chars)) - 1] = '\n';
1796 prologue_augment (translate_code ((yyvsp[(2) - (2)].chars)+1, (yylsp[(2) - (2)])), (yylsp[(2) - (2)]), false);
1797 }
1798 break;
1799
1800 case 9:
1801 #line 233 "parse-gram.y"
1802 { debug_flag = true; }
1803 break;
1804
1805 case 10:
1806 #line 235 "parse-gram.y"
1807 {
1808 static char one[] = "1";
1809 muscle_insert ((yyvsp[(2) - (2)].chars), one);
1810 }
1811 break;
1812
1813 case 11:
1814 #line 239 "parse-gram.y"
1815 { muscle_insert ((yyvsp[(2) - (3)].chars), (yyvsp[(3) - (3)].chars)); }
1816 break;
1817
1818 case 12:
1819 #line 240 "parse-gram.y"
1820 { defines_flag = true; }
1821 break;
1822
1823 case 13:
1824 #line 242 "parse-gram.y"
1825 {
1826 /* Remove the '{', and replace the '}' with '\n'. */
1827 (yyvsp[(2) - (2)].chars)[strlen ((yyvsp[(2) - (2)].chars)) - 1] = '\n';
1828 muscle_code_grow ("end_header", translate_code ((yyvsp[(2) - (2)].chars)+1, (yylsp[(2) - (2)])), (yylsp[(2) - (2)]));
1829 }
1830 break;
1831
1832 case 14:
1833 #line 247 "parse-gram.y"
1834 { error_verbose = true; }
1835 break;
1836
1837 case 15:
1838 #line 248 "parse-gram.y"
1839 { expected_sr_conflicts = (yyvsp[(2) - (2)].integer); }
1840 break;
1841
1842 case 16:
1843 #line 249 "parse-gram.y"
1844 { expected_rr_conflicts = (yyvsp[(2) - (2)].integer); }
1845 break;
1846
1847 case 17:
1848 #line 250 "parse-gram.y"
1849 { spec_file_prefix = (yyvsp[(3) - (3)].chars); }
1850 break;
1851
1852 case 18:
1853 #line 252 "parse-gram.y"
1854 {
1855 nondeterministic_parser = true;
1856 glr_parser = true;
1857 }
1858 break;
1859
1860 case 19:
1861 #line 257 "parse-gram.y"
1862 {
1863 muscle_code_grow ("initial_action", translate_symbol_action ((yyvsp[(2) - (2)].chars), (yylsp[(2) - (2)])), (yylsp[(2) - (2)]));
1864 }
1865 break;
1866
1867 case 20:
1868 #line 260 "parse-gram.y"
1869 { add_param ("lex_param", (yyvsp[(2) - (2)].chars), (yylsp[(2) - (2)])); }
1870 break;
1871
1872 case 21:
1873 #line 261 "parse-gram.y"
1874 { locations_flag = true; }
1875 break;
1876
1877 case 22:
1878 #line 262 "parse-gram.y"
1879 { spec_name_prefix = (yyvsp[(3) - (3)].chars); }
1880 break;
1881
1882 case 23:
1883 #line 263 "parse-gram.y"
1884 { no_lines_flag = true; }
1885 break;
1886
1887 case 24:
1888 #line 264 "parse-gram.y"
1889 { nondeterministic_parser = true; }
1890 break;
1891
1892 case 25:
1893 #line 265 "parse-gram.y"
1894 { spec_outfile = (yyvsp[(3) - (3)].chars); }
1895 break;
1896
1897 case 26:
1898 #line 266 "parse-gram.y"
1899 { add_param ("parse_param", (yyvsp[(2) - (2)].chars), (yylsp[(2) - (2)])); }
1900 break;
1901
1902 case 27:
1903 #line 267 "parse-gram.y"
1904 { pure_parser = true; }
1905 break;
1906
1907 case 28:
1908 #line 268 "parse-gram.y"
1909 { version_check (&(yylsp[(2) - (2)]), (yyvsp[(2) - (2)].chars)); }
1910 break;
1911
1912 case 29:
1913 #line 269 "parse-gram.y"
1914 { skeleton = (yyvsp[(2) - (2)].chars); }
1915 break;
1916
1917 case 30:
1918 #line 271 "parse-gram.y"
1919 {
1920 /* Remove the '{', and replace the '}' with '\n'. */
1921 (yyvsp[(2) - (2)].chars)[strlen ((yyvsp[(2) - (2)].chars)) - 1] = '\n';
1922 muscle_code_grow ("start_header", translate_code ((yyvsp[(2) - (2)].chars)+1, (yylsp[(2) - (2)])), (yylsp[(2) - (2)]));
1923 }
1924 break;
1925
1926 case 31:
1927 #line 276 "parse-gram.y"
1928 { token_table_flag = true; }
1929 break;
1930
1931 case 32:
1932 #line 277 "parse-gram.y"
1933 { report_flag = report_states; }
1934 break;
1935
1936 case 33:
1937 #line 278 "parse-gram.y"
1938 { yacc_flag = true; }
1939 break;
1940
1941 case 37:
1942 #line 286 "parse-gram.y"
1943 {
1944 grammar_start_symbol_set ((yyvsp[(2) - (2)].symbol), (yylsp[(2) - (2)]));
1945 }
1946 break;
1947
1948 case 38:
1949 #line 290 "parse-gram.y"
1950 {
1951 symbol_list *list;
1952 const char *action = translate_symbol_action ((yyvsp[(2) - (3)].chars), (yylsp[(2) - (3)]));
1953 for (list = (yyvsp[(3) - (3)].list); list; list = list->next)
1954 symbol_destructor_set (list->sym, action, (yylsp[(2) - (3)]));
1955 symbol_list_free ((yyvsp[(3) - (3)].list));
1956 }
1957 break;
1958
1959 case 39:
1960 #line 298 "parse-gram.y"
1961 {
1962 symbol_list *list;
1963 const char *action = translate_symbol_action ((yyvsp[(2) - (3)].chars), (yylsp[(2) - (3)]));
1964 for (list = (yyvsp[(3) - (3)].list); list; list = list->next)
1965 symbol_printer_set (list->sym, action, (yylsp[(2) - (3)]));
1966 symbol_list_free ((yyvsp[(3) - (3)].list));
1967 }
1968 break;
1969
1970 case 40:
1971 #line 306 "parse-gram.y"
1972 {
1973 default_prec = true;
1974 }
1975 break;
1976
1977 case 41:
1978 #line 310 "parse-gram.y"
1979 {
1980 default_prec = false;
1981 }
1982 break;
1983
1984 case 42:
1985 #line 323 "parse-gram.y"
1986 {}
1987 break;
1988
1989 case 43:
1990 #line 324 "parse-gram.y"
1991 { muscle_code_grow ("union_name", (yyvsp[(1) - (1)].uniqstr), (yylsp[(1) - (1)])); }
1992 break;
1993
1994 case 44:
1995 #line 329 "parse-gram.y"
1996 {
1997 char const *body = (yyvsp[(3) - (3)].chars);
1998
1999 if (typed)
2000 {
2001 /* Concatenate the union bodies, turning the first one's
2002 trailing '}' into '\n', and omitting the second one's '{'. */
2003 char *code = muscle_find ("stype");
2004 code[strlen (code) - 1] = '\n';
2005 body++;
2006 }
2007
2008 typed = true;
2009 muscle_code_grow ("stype", body, (yylsp[(3) - (3)]));
2010 }
2011 break;
2012
2013 case 45:
2014 #line 350 "parse-gram.y"
2015 { current_class = nterm_sym; }
2016 break;
2017
2018 case 46:
2019 #line 351 "parse-gram.y"
2020 {
2021 current_class = unknown_sym;
2022 current_type = NULL;
2023 }
2024 break;
2025
2026 case 47:
2027 #line 355 "parse-gram.y"
2028 { current_class = token_sym; }
2029 break;
2030
2031 case 48:
2032 #line 356 "parse-gram.y"
2033 {
2034 current_class = unknown_sym;
2035 current_type = NULL;
2036 }
2037 break;
2038
2039 case 49:
2040 #line 361 "parse-gram.y"
2041 {
2042 symbol_list *list;
2043 for (list = (yyvsp[(3) - (3)].list); list; list = list->next)
2044 symbol_type_set (list->sym, (yyvsp[(2) - (3)].uniqstr), (yylsp[(2) - (3)]));
2045 symbol_list_free ((yyvsp[(3) - (3)].list));
2046 }
2047 break;
2048
2049 case 50:
2050 #line 371 "parse-gram.y"
2051 {
2052 symbol_list *list;
2053 ++current_prec;
2054 for (list = (yyvsp[(3) - (3)].list); list; list = list->next)
2055 {
2056 symbol_type_set (list->sym, current_type, (yylsp[(2) - (3)]));
2057 symbol_precedence_set (list->sym, current_prec, (yyvsp[(1) - (3)].assoc), (yylsp[(1) - (3)]));
2058 }
2059 symbol_list_free ((yyvsp[(3) - (3)].list));
2060 current_type = NULL;
2061 }
2062 break;
2063
2064 case 51:
2065 #line 385 "parse-gram.y"
2066 { (yyval.assoc) = left_assoc; }
2067 break;
2068
2069 case 52:
2070 #line 386 "parse-gram.y"
2071 { (yyval.assoc) = right_assoc; }
2072 break;
2073
2074 case 53:
2075 #line 387 "parse-gram.y"
2076 { (yyval.assoc) = non_assoc; }
2077 break;
2078
2079 case 54:
2080 #line 391 "parse-gram.y"
2081 { current_type = NULL; }
2082 break;
2083
2084 case 55:
2085 #line 392 "parse-gram.y"
2086 { current_type = (yyvsp[(1) - (1)].uniqstr); }
2087 break;
2088
2089 case 56:
2090 #line 397 "parse-gram.y"
2091 { (yyval.list) = symbol_list_new ((yyvsp[(1) - (1)].symbol), (yylsp[(1) - (1)])); }
2092 break;
2093
2094 case 57:
2095 #line 398 "parse-gram.y"
2096 { (yyval.list) = symbol_list_prepend ((yyvsp[(1) - (2)].list), (yyvsp[(2) - (2)].symbol), (yylsp[(2) - (2)])); }
2097 break;
2098
2099 case 58:
2100 #line 404 "parse-gram.y"
2101 {
2102 current_type = (yyvsp[(1) - (1)].uniqstr);
2103 }
2104 break;
2105
2106 case 59:
2107 #line 408 "parse-gram.y"
2108 {
2109 symbol_class_set ((yyvsp[(1) - (1)].symbol), current_class, (yylsp[(1) - (1)]), true);
2110 symbol_type_set ((yyvsp[(1) - (1)].symbol), current_type, (yylsp[(1) - (1)]));
2111 }
2112 break;
2113
2114 case 60:
2115 #line 413 "parse-gram.y"
2116 {
2117 symbol_class_set ((yyvsp[(1) - (2)].symbol), current_class, (yylsp[(1) - (2)]), true);
2118 symbol_type_set ((yyvsp[(1) - (2)].symbol), current_type, (yylsp[(1) - (2)]));
2119 symbol_user_token_number_set ((yyvsp[(1) - (2)].symbol), (yyvsp[(2) - (2)].integer), (yylsp[(2) - (2)]));
2120 }
2121 break;
2122
2123 case 61:
2124 #line 419 "parse-gram.y"
2125 {
2126 symbol_class_set ((yyvsp[(1) - (2)].symbol), current_class, (yylsp[(1) - (2)]), true);
2127 symbol_type_set ((yyvsp[(1) - (2)].symbol), current_type, (yylsp[(1) - (2)]));
2128 symbol_make_alias ((yyvsp[(1) - (2)].symbol), (yyvsp[(2) - (2)].symbol), (yyloc));
2129 }
2130 break;
2131
2132 case 62:
2133 #line 425 "parse-gram.y"
2134 {
2135 symbol_class_set ((yyvsp[(1) - (3)].symbol), current_class, (yylsp[(1) - (3)]), true);
2136 symbol_type_set ((yyvsp[(1) - (3)].symbol), current_type, (yylsp[(1) - (3)]));
2137 symbol_user_token_number_set ((yyvsp[(1) - (3)].symbol), (yyvsp[(2) - (3)].integer), (yylsp[(2) - (3)]));
2138 symbol_make_alias ((yyvsp[(1) - (3)].symbol), (yyvsp[(3) - (3)].symbol), (yyloc));
2139 }
2140 break;
2141
2142 case 69:
2143 #line 455 "parse-gram.y"
2144 {
2145 yyerrok;
2146 }
2147 break;
2148
2149 case 70:
2150 #line 461 "parse-gram.y"
2151 { current_lhs = (yyvsp[(1) - (1)].symbol); current_lhs_location = (yylsp[(1) - (1)]); }
2152 break;
2153
2154 case 72:
2155 #line 465 "parse-gram.y"
2156 { grammar_current_rule_end ((yylsp[(1) - (1)])); }
2157 break;
2158
2159 case 73:
2160 #line 466 "parse-gram.y"
2161 { grammar_current_rule_end ((yylsp[(3) - (3)])); }
2162 break;
2163
2164 case 75:
2165 #line 472 "parse-gram.y"
2166 { grammar_current_rule_begin (current_lhs, current_lhs_location); }
2167 break;
2168
2169 case 76:
2170 #line 474 "parse-gram.y"
2171 { grammar_current_rule_symbol_append ((yyvsp[(2) - (2)].symbol), (yylsp[(2) - (2)])); }
2172 break;
2173
2174 case 77:
2175 #line 476 "parse-gram.y"
2176 { grammar_current_rule_action_append ((yyvsp[(2) - (2)].chars), (yylsp[(2) - (2)])); }
2177 break;
2178
2179 case 78:
2180 #line 478 "parse-gram.y"
2181 { grammar_current_rule_prec_set ((yyvsp[(3) - (3)].symbol), (yylsp[(3) - (3)])); }
2182 break;
2183
2184 case 79:
2185 #line 480 "parse-gram.y"
2186 { grammar_current_rule_dprec_set ((yyvsp[(3) - (3)].integer), (yylsp[(3) - (3)])); }
2187 break;
2188
2189 case 80:
2190 #line 482 "parse-gram.y"
2191 { grammar_current_rule_merge_set ((yyvsp[(3) - (3)].uniqstr), (yylsp[(3) - (3)])); }
2192 break;
2193
2194 case 81:
2195 #line 495 "parse-gram.y"
2196 { (yyval.symbol) = symbol_from_uniqstr ((yyvsp[(1) - (1)].uniqstr), (yylsp[(1) - (1)])); }
2197 break;
2198
2199 case 82:
2200 #line 497 "parse-gram.y"
2201 {
2202 (yyval.symbol) = symbol_get (char_name ((yyvsp[(1) - (1)].character)), (yylsp[(1) - (1)]));
2203 symbol_class_set ((yyval.symbol), token_sym, (yylsp[(1) - (1)]), false);
2204 symbol_user_token_number_set ((yyval.symbol), (yyvsp[(1) - (1)].character), (yylsp[(1) - (1)]));
2205 }
2206 break;
2207
2208 case 83:
2209 #line 505 "parse-gram.y"
2210 { (yyval.symbol) = symbol_from_uniqstr ((yyvsp[(1) - (1)].uniqstr), (yylsp[(1) - (1)])); }
2211 break;
2212
2213 case 86:
2214 #line 517 "parse-gram.y"
2215 {
2216 (yyval.symbol) = symbol_get (quotearg_style (c_quoting_style, (yyvsp[(1) - (1)].chars)), (yylsp[(1) - (1)]));
2217 symbol_class_set ((yyval.symbol), token_sym, (yylsp[(1) - (1)]), false);
2218 }
2219 break;
2220
2221 case 87:
2222 #line 526 "parse-gram.y"
2223 { (yyval.chars) = (yyvsp[(1) - (1)].chars); }
2224 break;
2225
2226 case 89:
2227 #line 533 "parse-gram.y"
2228 {
2229 muscle_code_grow ("epilogue", translate_code ((yyvsp[(2) - (2)].chars), (yylsp[(2) - (2)])), (yylsp[(2) - (2)]));
2230 gram_scanner_last_string_free ();
2231 }
2232 break;
2233
2234
2235 /* Line 1274 of yacc.c. */
2236 #line 2237 "parse-gram.c"
2237 default: break;
2238 }
2239 YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc);
2240
2241 YYPOPSTACK (yylen);
2242 yylen = 0;
2243 YY_STACK_PRINT (yyss, yyssp);
2244
2245 *++yyvsp = yyval;
2246 *++yylsp = yyloc;
2247
2248 /* Now `shift' the result of the reduction. Determine what state
2249 that goes to, based on the state we popped back to and the rule
2250 number reduced by. */
2251
2252 yyn = yyr1[yyn];
2253
2254 yystate = yypgoto[yyn - YYNTOKENS] + *yyssp;
2255 if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp)
2256 yystate = yytable[yystate];
2257 else
2258 yystate = yydefgoto[yyn - YYNTOKENS];
2259
2260 goto yynewstate;
2261
2262
2263 /*------------------------------------.
2264 | yyerrlab -- here on detecting error |
2265 `------------------------------------*/
2266 yyerrlab:
2267 /* If not already recovering from an error, report this error. */
2268 if (!yyerrstatus)
2269 {
2270 ++yynerrs;
2271 #if ! YYERROR_VERBOSE
2272 yyerror (YY_("syntax error"));
2273 #else
2274 {
2275 YYSIZE_T yysize = yysyntax_error (0, yystate, yychar);
2276 if (yymsg_alloc < yysize && yymsg_alloc < YYSTACK_ALLOC_MAXIMUM)
2277 {
2278 YYSIZE_T yyalloc = 2 * yysize;
2279 if (! (yysize <= yyalloc && yyalloc <= YYSTACK_ALLOC_MAXIMUM))
2280 yyalloc = YYSTACK_ALLOC_MAXIMUM;
2281 if (yymsg != yymsgbuf)
2282 YYSTACK_FREE (yymsg);
2283 yymsg = (char *) YYSTACK_ALLOC (yyalloc);
2284 if (yymsg)
2285 yymsg_alloc = yyalloc;
2286 else
2287 {
2288 yymsg = yymsgbuf;
2289 yymsg_alloc = sizeof yymsgbuf;
2290 }
2291 }
2292
2293 if (0 < yysize && yysize <= yymsg_alloc)
2294 {
2295 (void) yysyntax_error (yymsg, yystate, yychar);
2296 yyerror (yymsg);
2297 }
2298 else
2299 {
2300 yyerror (YY_("syntax error"));
2301 if (yysize != 0)
2302 goto yyexhaustedlab;
2303 }
2304 }
2305 #endif
2306 }
2307
2308 yyerror_range[0] = yylloc;
2309
2310 if (yyerrstatus == 3)
2311 {
2312 /* If just tried and failed to reuse lookahead token after an
2313 error, discard it. */
2314
2315 if (yychar <= YYEOF)
2316 {
2317 /* Return failure if at end of input. */
2318 if (yychar == YYEOF)
2319 YYABORT;
2320 }
2321 else
2322 {
2323 yydestruct ("Error: discarding",
2324 yytoken, &yylval, &yylloc);
2325 yychar = YYEMPTY;
2326 }
2327 }
2328
2329 /* Else will try to reuse lookahead token after shifting the error
2330 token. */
2331 goto yyerrlab1;
2332
2333
2334 /*---------------------------------------------------.
2335 | yyerrorlab -- error raised explicitly by YYERROR. |
2336 `---------------------------------------------------*/
2337 yyerrorlab:
2338
2339 /* Pacify compilers like GCC when the user code never invokes
2340 YYERROR and the label yyerrorlab therefore never appears in user
2341 code. */
2342 if (/*CONSTCOND*/ 0)
2343 goto yyerrorlab;
2344
2345 yyerror_range[0] = yylsp[1-yylen];
2346 /* Do not reclaim the symbols of the rule which action triggered
2347 this YYERROR. */
2348 YYPOPSTACK (yylen);
2349 yylen = 0;
2350 YY_STACK_PRINT (yyss, yyssp);
2351 yystate = *yyssp;
2352 goto yyerrlab1;
2353
2354
2355 /*-------------------------------------------------------------.
2356 | yyerrlab1 -- common code for both syntax error and YYERROR. |
2357 `-------------------------------------------------------------*/
2358 yyerrlab1:
2359 yyerrstatus = 3; /* Each real token shifted decrements this. */
2360
2361 for (;;)
2362 {
2363 yyn = yypact[yystate];
2364 if (yyn != YYPACT_NINF)
2365 {
2366 yyn += YYTERROR;
2367 if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)
2368 {
2369 yyn = yytable[yyn];
2370 if (0 < yyn)
2371 break;
2372 }
2373 }
2374
2375 /* Pop the current state because it cannot handle the error token. */
2376 if (yyssp == yyss)
2377 YYABORT;
2378
2379 yyerror_range[0] = *yylsp;
2380 yydestruct ("Error: popping",
2381 yystos[yystate], yyvsp, yylsp);
2382 YYPOPSTACK (1);
2383 yystate = *yyssp;
2384 YY_STACK_PRINT (yyss, yyssp);
2385 }
2386
2387 if (yyn == YYFINAL)
2388 YYACCEPT;
2389
2390 *++yyvsp = yylval;
2391
2392 yyerror_range[1] = yylloc;
2393 /* Using YYLLOC is tempting, but would change the location of
2394 the lookahead. YYLOC is available though. */
2395 YYLLOC_DEFAULT (yyloc, (yyerror_range - 1), 2);
2396 *++yylsp = yyloc;
2397
2398 /* Shift the error token. */
2399 YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp);
2400
2401 yystate = yyn;
2402 goto yynewstate;
2403
2404
2405 /*-------------------------------------.
2406 | yyacceptlab -- YYACCEPT comes here. |
2407 `-------------------------------------*/
2408 yyacceptlab:
2409 yyresult = 0;
2410 goto yyreturn;
2411
2412 /*-----------------------------------.
2413 | yyabortlab -- YYABORT comes here. |
2414 `-----------------------------------*/
2415 yyabortlab:
2416 yyresult = 1;
2417 goto yyreturn;
2418
2419 #ifndef yyoverflow
2420 /*-------------------------------------------------.
2421 | yyexhaustedlab -- memory exhaustion comes here. |
2422 `-------------------------------------------------*/
2423 yyexhaustedlab:
2424 yyerror (YY_("memory exhausted"));
2425 yyresult = 2;
2426 /* Fall through. */
2427 #endif
2428
2429 yyreturn:
2430 if (yychar != YYEOF && yychar != YYEMPTY)
2431 yydestruct ("Cleanup: discarding lookahead",
2432 yytoken, &yylval, &yylloc);
2433 /* Do not reclaim the symbols of the rule which action triggered
2434 this YYABORT or YYACCEPT. */
2435 YYPOPSTACK (yylen);
2436 YY_STACK_PRINT (yyss, yyssp);
2437 while (yyssp != yyss)
2438 {
2439 yydestruct ("Cleanup: popping",
2440 yystos[*yyssp], yyvsp, yylsp);
2441 YYPOPSTACK (1);
2442 }
2443 #ifndef yyoverflow
2444 if (yyss != yyssa)
2445 YYSTACK_FREE (yyss);
2446 #endif
2447 #if YYERROR_VERBOSE
2448 if (yymsg != yymsgbuf)
2449 YYSTACK_FREE (yymsg);
2450 #endif
2451 /* Make sure YYID is used. */
2452 return YYID (yyresult);
2453 }
2454
2455
2456 #line 539 "parse-gram.y"
2457
2458
2459
2460 /* Return the location of the left-hand side of a rule whose
2461 right-hand side is RHS[1] ... RHS[N]. Ignore empty nonterminals in
2462 the right-hand side, and return an empty location equal to the end
2463 boundary of RHS[0] if the right-hand side is empty. */
2464
2465 static YYLTYPE
2466 lloc_default (YYLTYPE const *rhs, int n)
2467 {
2468 int i;
2469 YYLTYPE loc;
2470
2471 /* SGI MIPSpro 7.4.1m miscompiles "loc.start = loc.end = rhs[n].end;".
2472 The bug is fixed in 7.4.2m, but play it safe for now. */
2473 loc.start = rhs[n].end;
2474 loc.end = rhs[n].end;
2475
2476 /* Ignore empty nonterminals the start of the the right-hand side.
2477 Do not bother to ignore them at the end of the right-hand side,
2478 since empty nonterminals have the same end as their predecessors. */
2479 for (i = 1; i <= n; i++)
2480 if (! equal_boundaries (rhs[i].start, rhs[i].end))
2481 {
2482 loc.start = rhs[i].start;
2483 break;
2484 }
2485
2486 return loc;
2487 }
2488
2489
2490 /* Add a lex-param or a parse-param (depending on TYPE) with
2491 declaration DECL and location LOC. */
2492
2493 static void
2494 add_param (char const *type, char *decl, location loc)
2495 {
2496 static char const alphanum[26 + 26 + 1 + 10] =
2497 "abcdefghijklmnopqrstuvwxyz"
2498 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
2499 "_"
2500 "0123456789";
2501 char const *name_start = NULL;
2502 char *p;
2503
2504 /* Stop on last actual character. */
2505 for (p = decl; p[1]; p++)
2506 if ((p == decl
2507 || ! memchr (alphanum, p[-1], sizeof alphanum))
2508 && memchr (alphanum, p[0], sizeof alphanum - 10))
2509 name_start = p;
2510
2511 /* Strip the surrounding '{' and '}', and any blanks just inside
2512 the braces. */
2513 while (*--p == ' ' || *p == '\t')
2514 continue;
2515 p[1] = '\0';
2516 while (*++decl == ' ' || *decl == '\t')
2517 continue;
2518
2519 if (! name_start)
2520 complain_at (loc, _("missing identifier in parameter declaration"));
2521 else
2522 {
2523 char *name;
2524 size_t name_len;
2525
2526 for (name_len = 1;
2527 memchr (alphanum, name_start[name_len], sizeof alphanum);
2528 name_len++)
2529 continue;
2530
2531 name = xmalloc (name_len + 1);
2532 memcpy (name, name_start, name_len);
2533 name[name_len] = '\0';
2534 muscle_pair_list_grow (type, decl, name);
2535 free (name);
2536 }
2537
2538 gram_scanner_last_string_free ();
2539 }
2540
2541 static void
2542 version_check (location const *loc, char const *version)
2543 {
2544 if (strverscmp (version, PACKAGE_VERSION) > 0)
2545 {
2546 complain_at (*loc, "require bison %s, but have %s",
2547 version, PACKAGE_VERSION);
2548 exit (63);
2549 }
2550 }
2551
2552 static void
2553 gram_error (location const *loc, char const *msg)
2554 {
2555 complain_at (*loc, "%s", msg);
2556 }
2557
2558 char const *
2559 token_name (int type)
2560 {
2561 return yytname[YYTRANSLATE (type)];
2562 }
2563
2564 static char const *
2565 char_name (char c)
2566 {
2567 if (c == '\'')
2568 return "'\\''";
2569 else
2570 {
2571 char buf[4];
2572 buf[0] = '\''; buf[1] = c; buf[2] = '\''; buf[3] = '\0';
2573 return quotearg_style (escape_quoting_style, buf);
2574 }
2575 }
2576