gram.c - enscript - GNU Enscript
HTML git clone git://thinkerwim.org/enscript.git
DIR Log
DIR Files
DIR Refs
DIR README
DIR LICENSE
---
gram.c (75706B)
---
1 /* A Bison parser, made by GNU Bison 3.8.2. */
2
3 /* Bison implementation for Yacc-like parsers in C
4
5 Copyright (C) 1984, 1989-1990, 2000-2015, 2018-2021 Free Software Foundation,
6 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 3 of the License, or
11 (at your option) 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, see <https://www.gnu.org/licenses/>. */
20
21 /* As a special exception, you may create a larger work that contains
22 part or all of the Bison parser skeleton and distribute that work
23 under terms of your choice, so long as that work isn't itself a
24 parser generator using the skeleton or a modified version thereof
25 as a parser skeleton. Alternatively, if you modify or redistribute
26 the parser skeleton itself, you may (at your option) remove this
27 special exception, which will cause the skeleton and the resulting
28 Bison output files to be licensed under the GNU General Public
29 License without this special exception.
30
31 This special exception was added by the Free Software Foundation in
32 version 2.2 of Bison. */
33
34 /* C LALR(1) parser skeleton written by Richard Stallman, by
35 simplifying the original so-called "semantic" parser. */
36
37 /* DO NOT RELY ON FEATURES THAT ARE NOT DOCUMENTED in the manual,
38 especially those whose name start with YY_ or yy_. They are
39 private implementation details that can be changed or removed. */
40
41 /* All symbols defined below should begin with yy or YY, to avoid
42 infringing on user name space. This should be done even for local
43 variables, as they might otherwise be expanded by user macros.
44 There are some unavoidable exceptions within include files to
45 define necessary library symbols; they are noted "INFRINGES ON
46 USER NAME SPACE" below. */
47
48 /* Identify Bison output, and Bison version. */
49 #define YYBISON 30802
50
51 /* Bison version string. */
52 #define YYBISON_VERSION "3.8.2"
53
54 /* Skeleton name. */
55 #define YYSKELETON_NAME "yacc.c"
56
57 /* Pure parsers. */
58 #define YYPURE 0
59
60 /* Push parsers. */
61 #define YYPUSH 0
62
63 /* Pull parsers. */
64 #define YYPULL 1
65
66
67
68
69 /* First part of user prologue. */
70 #line 1 "gram.y"
71
72 /* -*- c -*-
73 * Grammar for states.
74 * Copyright (c) 1997-1998 Markku Rossi.
75 *
76 * Author: Markku Rossi <mtr@iki.fi>
77 */
78
79 /*
80 * This file is part of GNU Enscript.
81 *
82 * Enscript is free software: you can redistribute it and/or modify
83 * it under the terms of the GNU General Public License as published by
84 * the Free Software Foundation, either version 3 of the License, or
85 * (at your option) any later version.
86 *
87 * Enscript is distributed in the hope that it will be useful,
88 * but WITHOUT ANY WARRANTY; without even the implied warranty of
89 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
90 * GNU General Public License for more details.
91 *
92 * You should have received a copy of the GNU General Public License
93 * along with Enscript. If not, see <http://www.gnu.org/licenses/>.
94 */
95
96 /*
97 * $Id: gram.y,v 1.1.1.1 2003/03/05 07:25:52 mtr Exp $
98 */
99
100 #include "defs.h"
101
102 #line 103 "gram.c"
103
104 # ifndef YY_CAST
105 # ifdef __cplusplus
106 # define YY_CAST(Type, Val) static_cast<Type> (Val)
107 # define YY_REINTERPRET_CAST(Type, Val) reinterpret_cast<Type> (Val)
108 # else
109 # define YY_CAST(Type, Val) ((Type) (Val))
110 # define YY_REINTERPRET_CAST(Type, Val) ((Type) (Val))
111 # endif
112 # endif
113 # ifndef YY_NULLPTR
114 # if defined __cplusplus
115 # if 201103L <= __cplusplus
116 # define YY_NULLPTR nullptr
117 # else
118 # define YY_NULLPTR 0
119 # endif
120 # else
121 # define YY_NULLPTR ((void*)0)
122 # endif
123 # endif
124
125 /* Use api.header.include to #include this header
126 instead of duplicating it here. */
127 #ifndef YY_YY_GRAM_H_INCLUDED
128 # define YY_YY_GRAM_H_INCLUDED
129 /* Debug traces. */
130 #ifndef YYDEBUG
131 # define YYDEBUG 0
132 #endif
133 #if YYDEBUG
134 extern int yydebug;
135 #endif
136
137 /* Token kinds. */
138 #ifndef YYTOKENTYPE
139 # define YYTOKENTYPE
140 enum yytokentype
141 {
142 YYEMPTY = -2,
143 YYEOF = 0, /* "end of file" */
144 YYerror = 256, /* error */
145 YYUNDEF = 257, /* "invalid token" */
146 tSYMBOL = 258, /* tSYMBOL */
147 tREGEXP = 259, /* tREGEXP */
148 tSTRING = 260, /* tSTRING */
149 tINTEGER = 261, /* tINTEGER */
150 tREAL = 262, /* tREAL */
151 tSUB = 263, /* tSUB */
152 tSTATE = 264, /* tSTATE */
153 tSTART = 265, /* tSTART */
154 tSTARTRULES = 266, /* tSTARTRULES */
155 tNAMERULES = 267, /* tNAMERULES */
156 tBEGIN = 268, /* tBEGIN */
157 tEND = 269, /* tEND */
158 tRETURN = 270, /* tRETURN */
159 tIF = 271, /* tIF */
160 tELSE = 272, /* tELSE */
161 tLOCAL = 273, /* tLOCAL */
162 tWHILE = 274, /* tWHILE */
163 tFOR = 275, /* tFOR */
164 tEXTENDS = 276, /* tEXTENDS */
165 tADDASSIGN = 277, /* tADDASSIGN */
166 tSUBASSIGN = 278, /* tSUBASSIGN */
167 tMULASSIGN = 279, /* tMULASSIGN */
168 tDIVASSIGN = 280, /* tDIVASSIGN */
169 tOR = 281, /* tOR */
170 tAND = 282, /* tAND */
171 tEQ = 283, /* tEQ */
172 tNE = 284, /* tNE */
173 tGE = 285, /* tGE */
174 tLE = 286, /* tLE */
175 tDIV = 287, /* tDIV */
176 tPLUSPLUS = 288, /* tPLUSPLUS */
177 tMINUSMINUS = 289 /* tMINUSMINUS */
178 };
179 typedef enum yytokentype yytoken_kind_t;
180 #endif
181 /* Token kinds. */
182 #define YYEMPTY -2
183 #define YYEOF 0
184 #define YYerror 256
185 #define YYUNDEF 257
186 #define tSYMBOL 258
187 #define tREGEXP 259
188 #define tSTRING 260
189 #define tINTEGER 261
190 #define tREAL 262
191 #define tSUB 263
192 #define tSTATE 264
193 #define tSTART 265
194 #define tSTARTRULES 266
195 #define tNAMERULES 267
196 #define tBEGIN 268
197 #define tEND 269
198 #define tRETURN 270
199 #define tIF 271
200 #define tELSE 272
201 #define tLOCAL 273
202 #define tWHILE 274
203 #define tFOR 275
204 #define tEXTENDS 276
205 #define tADDASSIGN 277
206 #define tSUBASSIGN 278
207 #define tMULASSIGN 279
208 #define tDIVASSIGN 280
209 #define tOR 281
210 #define tAND 282
211 #define tEQ 283
212 #define tNE 284
213 #define tGE 285
214 #define tLE 286
215 #define tDIV 287
216 #define tPLUSPLUS 288
217 #define tMINUSMINUS 289
218
219 /* Value type. */
220 #if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
221 union YYSTYPE
222 {
223 #line 34 "gram.y"
224
225 List *lst;
226 Node *node;
227 Cons *cons;
228 Stmt *stmt;
229 Expr *expr;
230
231 #line 232 "gram.c"
232
233 };
234 typedef union YYSTYPE YYSTYPE;
235 # define YYSTYPE_IS_TRIVIAL 1
236 # define YYSTYPE_IS_DECLARED 1
237 #endif
238
239
240 extern YYSTYPE yylval;
241
242
243 int yyparse (void);
244
245
246 #endif /* !YY_YY_GRAM_H_INCLUDED */
247 /* Symbol kind. */
248 enum yysymbol_kind_t
249 {
250 YYSYMBOL_YYEMPTY = -2,
251 YYSYMBOL_YYEOF = 0, /* "end of file" */
252 YYSYMBOL_YYerror = 1, /* error */
253 YYSYMBOL_YYUNDEF = 2, /* "invalid token" */
254 YYSYMBOL_tSYMBOL = 3, /* tSYMBOL */
255 YYSYMBOL_tREGEXP = 4, /* tREGEXP */
256 YYSYMBOL_tSTRING = 5, /* tSTRING */
257 YYSYMBOL_tINTEGER = 6, /* tINTEGER */
258 YYSYMBOL_tREAL = 7, /* tREAL */
259 YYSYMBOL_tSUB = 8, /* tSUB */
260 YYSYMBOL_tSTATE = 9, /* tSTATE */
261 YYSYMBOL_tSTART = 10, /* tSTART */
262 YYSYMBOL_tSTARTRULES = 11, /* tSTARTRULES */
263 YYSYMBOL_tNAMERULES = 12, /* tNAMERULES */
264 YYSYMBOL_tBEGIN = 13, /* tBEGIN */
265 YYSYMBOL_tEND = 14, /* tEND */
266 YYSYMBOL_tRETURN = 15, /* tRETURN */
267 YYSYMBOL_tIF = 16, /* tIF */
268 YYSYMBOL_tELSE = 17, /* tELSE */
269 YYSYMBOL_tLOCAL = 18, /* tLOCAL */
270 YYSYMBOL_tWHILE = 19, /* tWHILE */
271 YYSYMBOL_tFOR = 20, /* tFOR */
272 YYSYMBOL_tEXTENDS = 21, /* tEXTENDS */
273 YYSYMBOL_22_ = 22, /* '=' */
274 YYSYMBOL_tADDASSIGN = 23, /* tADDASSIGN */
275 YYSYMBOL_tSUBASSIGN = 24, /* tSUBASSIGN */
276 YYSYMBOL_tMULASSIGN = 25, /* tMULASSIGN */
277 YYSYMBOL_tDIVASSIGN = 26, /* tDIVASSIGN */
278 YYSYMBOL_27_ = 27, /* '?' */
279 YYSYMBOL_28_ = 28, /* ':' */
280 YYSYMBOL_tOR = 29, /* tOR */
281 YYSYMBOL_tAND = 30, /* tAND */
282 YYSYMBOL_tEQ = 31, /* tEQ */
283 YYSYMBOL_tNE = 32, /* tNE */
284 YYSYMBOL_33_ = 33, /* '<' */
285 YYSYMBOL_34_ = 34, /* '>' */
286 YYSYMBOL_tGE = 35, /* tGE */
287 YYSYMBOL_tLE = 36, /* tLE */
288 YYSYMBOL_37_ = 37, /* '+' */
289 YYSYMBOL_38_ = 38, /* '-' */
290 YYSYMBOL_39_ = 39, /* '*' */
291 YYSYMBOL_tDIV = 40, /* tDIV */
292 YYSYMBOL_41_ = 41, /* '!' */
293 YYSYMBOL_tPLUSPLUS = 42, /* tPLUSPLUS */
294 YYSYMBOL_tMINUSMINUS = 43, /* tMINUSMINUS */
295 YYSYMBOL_44_ = 44, /* '[' */
296 YYSYMBOL_45_ = 45, /* ']' */
297 YYSYMBOL_46_ = 46, /* '{' */
298 YYSYMBOL_47_ = 47, /* '}' */
299 YYSYMBOL_48_ = 48, /* ';' */
300 YYSYMBOL_49_ = 49, /* ',' */
301 YYSYMBOL_50_ = 50, /* '(' */
302 YYSYMBOL_51_ = 51, /* ')' */
303 YYSYMBOL_YYACCEPT = 52, /* $accept */
304 YYSYMBOL_file = 53, /* file */
305 YYSYMBOL_toplevel = 54, /* toplevel */
306 YYSYMBOL_regexp_sym_list = 55, /* regexp_sym_list */
307 YYSYMBOL_staterules = 56, /* staterules */
308 YYSYMBOL_staterule = 57, /* staterule */
309 YYSYMBOL_symbol_list = 58, /* symbol_list */
310 YYSYMBOL_rest_symbol_list = 59, /* rest_symbol_list */
311 YYSYMBOL_locals = 60, /* locals */
312 YYSYMBOL_locals_rest = 61, /* locals_rest */
313 YYSYMBOL_local_def = 62, /* local_def */
314 YYSYMBOL_stmt_list = 63, /* stmt_list */
315 YYSYMBOL_stmt = 64, /* stmt */
316 YYSYMBOL_expr = 65, /* expr */
317 YYSYMBOL_cond_expr = 66, /* cond_expr */
318 YYSYMBOL_expr_list = 67, /* expr_list */
319 YYSYMBOL_rest_expr_list = 68 /* rest_expr_list */
320 };
321 typedef enum yysymbol_kind_t yysymbol_kind_t;
322
323
324
325
326 #ifdef short
327 # undef short
328 #endif
329
330 /* On compilers that do not define __PTRDIFF_MAX__ etc., make sure
331 <limits.h> and (if available) <stdint.h> are included
332 so that the code can choose integer types of a good width. */
333
334 #ifndef __PTRDIFF_MAX__
335 # include <limits.h> /* INFRINGES ON USER NAME SPACE */
336 # if defined __STDC_VERSION__ && 199901 <= __STDC_VERSION__
337 # include <stdint.h> /* INFRINGES ON USER NAME SPACE */
338 # define YY_STDINT_H
339 # endif
340 #endif
341
342 /* Narrow types that promote to a signed type and that can represent a
343 signed or unsigned integer of at least N bits. In tables they can
344 save space and decrease cache pressure. Promoting to a signed type
345 helps avoid bugs in integer arithmetic. */
346
347 #ifdef __INT_LEAST8_MAX__
348 typedef __INT_LEAST8_TYPE__ yytype_int8;
349 #elif defined YY_STDINT_H
350 typedef int_least8_t yytype_int8;
351 #else
352 typedef signed char yytype_int8;
353 #endif
354
355 #ifdef __INT_LEAST16_MAX__
356 typedef __INT_LEAST16_TYPE__ yytype_int16;
357 #elif defined YY_STDINT_H
358 typedef int_least16_t yytype_int16;
359 #else
360 typedef short yytype_int16;
361 #endif
362
363 /* Work around bug in HP-UX 11.23, which defines these macros
364 incorrectly for preprocessor constants. This workaround can likely
365 be removed in 2023, as HPE has promised support for HP-UX 11.23
366 (aka HP-UX 11i v2) only through the end of 2022; see Table 2 of
367 <https://h20195.www2.hpe.com/V2/getpdf.aspx/4AA4-7673ENW.pdf>. */
368 #ifdef __hpux
369 # undef UINT_LEAST8_MAX
370 # undef UINT_LEAST16_MAX
371 # define UINT_LEAST8_MAX 255
372 # define UINT_LEAST16_MAX 65535
373 #endif
374
375 #if defined __UINT_LEAST8_MAX__ && __UINT_LEAST8_MAX__ <= __INT_MAX__
376 typedef __UINT_LEAST8_TYPE__ yytype_uint8;
377 #elif (!defined __UINT_LEAST8_MAX__ && defined YY_STDINT_H \
378 && UINT_LEAST8_MAX <= INT_MAX)
379 typedef uint_least8_t yytype_uint8;
380 #elif !defined __UINT_LEAST8_MAX__ && UCHAR_MAX <= INT_MAX
381 typedef unsigned char yytype_uint8;
382 #else
383 typedef short yytype_uint8;
384 #endif
385
386 #if defined __UINT_LEAST16_MAX__ && __UINT_LEAST16_MAX__ <= __INT_MAX__
387 typedef __UINT_LEAST16_TYPE__ yytype_uint16;
388 #elif (!defined __UINT_LEAST16_MAX__ && defined YY_STDINT_H \
389 && UINT_LEAST16_MAX <= INT_MAX)
390 typedef uint_least16_t yytype_uint16;
391 #elif !defined __UINT_LEAST16_MAX__ && USHRT_MAX <= INT_MAX
392 typedef unsigned short yytype_uint16;
393 #else
394 typedef int yytype_uint16;
395 #endif
396
397 #ifndef YYPTRDIFF_T
398 # if defined __PTRDIFF_TYPE__ && defined __PTRDIFF_MAX__
399 # define YYPTRDIFF_T __PTRDIFF_TYPE__
400 # define YYPTRDIFF_MAXIMUM __PTRDIFF_MAX__
401 # elif defined PTRDIFF_MAX
402 # ifndef ptrdiff_t
403 # include <stddef.h> /* INFRINGES ON USER NAME SPACE */
404 # endif
405 # define YYPTRDIFF_T ptrdiff_t
406 # define YYPTRDIFF_MAXIMUM PTRDIFF_MAX
407 # else
408 # define YYPTRDIFF_T long
409 # define YYPTRDIFF_MAXIMUM LONG_MAX
410 # endif
411 #endif
412
413 #ifndef YYSIZE_T
414 # ifdef __SIZE_TYPE__
415 # define YYSIZE_T __SIZE_TYPE__
416 # elif defined size_t
417 # define YYSIZE_T size_t
418 # elif defined __STDC_VERSION__ && 199901 <= __STDC_VERSION__
419 # include <stddef.h> /* INFRINGES ON USER NAME SPACE */
420 # define YYSIZE_T size_t
421 # else
422 # define YYSIZE_T unsigned
423 # endif
424 #endif
425
426 #define YYSIZE_MAXIMUM \
427 YY_CAST (YYPTRDIFF_T, \
428 (YYPTRDIFF_MAXIMUM < YY_CAST (YYSIZE_T, -1) \
429 ? YYPTRDIFF_MAXIMUM \
430 : YY_CAST (YYSIZE_T, -1)))
431
432 #define YYSIZEOF(X) YY_CAST (YYPTRDIFF_T, sizeof (X))
433
434
435 /* Stored state numbers (used for stacks). */
436 typedef yytype_uint8 yy_state_t;
437
438 /* State numbers in computations. */
439 typedef int yy_state_fast_t;
440
441 #ifndef YY_
442 # if defined YYENABLE_NLS && YYENABLE_NLS
443 # if ENABLE_NLS
444 # include <libintl.h> /* INFRINGES ON USER NAME SPACE */
445 # define YY_(Msgid) dgettext ("bison-runtime", Msgid)
446 # endif
447 # endif
448 # ifndef YY_
449 # define YY_(Msgid) Msgid
450 # endif
451 #endif
452
453
454 #ifndef YY_ATTRIBUTE_PURE
455 # if defined __GNUC__ && 2 < __GNUC__ + (96 <= __GNUC_MINOR__)
456 # define YY_ATTRIBUTE_PURE __attribute__ ((__pure__))
457 # else
458 # define YY_ATTRIBUTE_PURE
459 # endif
460 #endif
461
462 #ifndef YY_ATTRIBUTE_UNUSED
463 # if defined __GNUC__ && 2 < __GNUC__ + (7 <= __GNUC_MINOR__)
464 # define YY_ATTRIBUTE_UNUSED __attribute__ ((__unused__))
465 # else
466 # define YY_ATTRIBUTE_UNUSED
467 # endif
468 #endif
469
470 /* Suppress unused-variable warnings by "using" E. */
471 #if ! defined lint || defined __GNUC__
472 # define YY_USE(E) ((void) (E))
473 #else
474 # define YY_USE(E) /* empty */
475 #endif
476
477 /* Suppress an incorrect diagnostic about yylval being uninitialized. */
478 #if defined __GNUC__ && ! defined __ICC && 406 <= __GNUC__ * 100 + __GNUC_MINOR__
479 # if __GNUC__ * 100 + __GNUC_MINOR__ < 407
480 # define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN \
481 _Pragma ("GCC diagnostic push") \
482 _Pragma ("GCC diagnostic ignored \"-Wuninitialized\"")
483 # else
484 # define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN \
485 _Pragma ("GCC diagnostic push") \
486 _Pragma ("GCC diagnostic ignored \"-Wuninitialized\"") \
487 _Pragma ("GCC diagnostic ignored \"-Wmaybe-uninitialized\"")
488 # endif
489 # define YY_IGNORE_MAYBE_UNINITIALIZED_END \
490 _Pragma ("GCC diagnostic pop")
491 #else
492 # define YY_INITIAL_VALUE(Value) Value
493 #endif
494 #ifndef YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
495 # define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
496 # define YY_IGNORE_MAYBE_UNINITIALIZED_END
497 #endif
498 #ifndef YY_INITIAL_VALUE
499 # define YY_INITIAL_VALUE(Value) /* Nothing. */
500 #endif
501
502 #if defined __cplusplus && defined __GNUC__ && ! defined __ICC && 6 <= __GNUC__
503 # define YY_IGNORE_USELESS_CAST_BEGIN \
504 _Pragma ("GCC diagnostic push") \
505 _Pragma ("GCC diagnostic ignored \"-Wuseless-cast\"")
506 # define YY_IGNORE_USELESS_CAST_END \
507 _Pragma ("GCC diagnostic pop")
508 #endif
509 #ifndef YY_IGNORE_USELESS_CAST_BEGIN
510 # define YY_IGNORE_USELESS_CAST_BEGIN
511 # define YY_IGNORE_USELESS_CAST_END
512 #endif
513
514
515 #define YY_ASSERT(E) ((void) (0 && (E)))
516
517 #if !defined yyoverflow
518
519 /* The parser invokes alloca or malloc; define the necessary symbols. */
520
521 # ifdef YYSTACK_USE_ALLOCA
522 # if YYSTACK_USE_ALLOCA
523 # ifdef __GNUC__
524 # define YYSTACK_ALLOC __builtin_alloca
525 # elif defined __BUILTIN_VA_ARG_INCR
526 # include <alloca.h> /* INFRINGES ON USER NAME SPACE */
527 # elif defined _AIX
528 # define YYSTACK_ALLOC __alloca
529 # elif defined _MSC_VER
530 # include <malloc.h> /* INFRINGES ON USER NAME SPACE */
531 # define alloca _alloca
532 # else
533 # define YYSTACK_ALLOC alloca
534 # if ! defined _ALLOCA_H && ! defined EXIT_SUCCESS
535 # include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
536 /* Use EXIT_SUCCESS as a witness for stdlib.h. */
537 # ifndef EXIT_SUCCESS
538 # define EXIT_SUCCESS 0
539 # endif
540 # endif
541 # endif
542 # endif
543 # endif
544
545 # ifdef YYSTACK_ALLOC
546 /* Pacify GCC's 'empty if-body' warning. */
547 # define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
548 # ifndef YYSTACK_ALLOC_MAXIMUM
549 /* The OS might guarantee only one guard page at the bottom of the stack,
550 and a page size can be as small as 4096 bytes. So we cannot safely
551 invoke alloca (N) if N exceeds 4096. Use a slightly smaller number
552 to allow for a few compiler-allocated temporary stack slots. */
553 # define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */
554 # endif
555 # else
556 # define YYSTACK_ALLOC YYMALLOC
557 # define YYSTACK_FREE YYFREE
558 # ifndef YYSTACK_ALLOC_MAXIMUM
559 # define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
560 # endif
561 # if (defined __cplusplus && ! defined EXIT_SUCCESS \
562 && ! ((defined YYMALLOC || defined malloc) \
563 && (defined YYFREE || defined free)))
564 # include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
565 # ifndef EXIT_SUCCESS
566 # define EXIT_SUCCESS 0
567 # endif
568 # endif
569 # ifndef YYMALLOC
570 # define YYMALLOC malloc
571 # if ! defined malloc && ! defined EXIT_SUCCESS
572 void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
573 # endif
574 # endif
575 # ifndef YYFREE
576 # define YYFREE free
577 # if ! defined free && ! defined EXIT_SUCCESS
578 void free (void *); /* INFRINGES ON USER NAME SPACE */
579 # endif
580 # endif
581 # endif
582 #endif /* !defined yyoverflow */
583
584 #if (! defined yyoverflow \
585 && (! defined __cplusplus \
586 || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
587
588 /* A type that is properly aligned for any stack member. */
589 union yyalloc
590 {
591 yy_state_t yyss_alloc;
592 YYSTYPE yyvs_alloc;
593 };
594
595 /* The size of the maximum gap between one aligned stack and the next. */
596 # define YYSTACK_GAP_MAXIMUM (YYSIZEOF (union yyalloc) - 1)
597
598 /* The size of an array large to enough to hold all stacks, each with
599 N elements. */
600 # define YYSTACK_BYTES(N) \
601 ((N) * (YYSIZEOF (yy_state_t) + YYSIZEOF (YYSTYPE)) \
602 + YYSTACK_GAP_MAXIMUM)
603
604 # define YYCOPY_NEEDED 1
605
606 /* Relocate STACK from its old location to the new one. The
607 local variables YYSIZE and YYSTACKSIZE give the old and new number of
608 elements in the stack, and YYPTR gives the new location of the
609 stack. Advance YYPTR to a properly aligned location for the next
610 stack. */
611 # define YYSTACK_RELOCATE(Stack_alloc, Stack) \
612 do \
613 { \
614 YYPTRDIFF_T yynewbytes; \
615 YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \
616 Stack = &yyptr->Stack_alloc; \
617 yynewbytes = yystacksize * YYSIZEOF (*Stack) + YYSTACK_GAP_MAXIMUM; \
618 yyptr += yynewbytes / YYSIZEOF (*yyptr); \
619 } \
620 while (0)
621
622 #endif
623
624 #if defined YYCOPY_NEEDED && YYCOPY_NEEDED
625 /* Copy COUNT objects from SRC to DST. The source and destination do
626 not overlap. */
627 # ifndef YYCOPY
628 # if defined __GNUC__ && 1 < __GNUC__
629 # define YYCOPY(Dst, Src, Count) \
630 __builtin_memcpy (Dst, Src, YY_CAST (YYSIZE_T, (Count)) * sizeof (*(Src)))
631 # else
632 # define YYCOPY(Dst, Src, Count) \
633 do \
634 { \
635 YYPTRDIFF_T yyi; \
636 for (yyi = 0; yyi < (Count); yyi++) \
637 (Dst)[yyi] = (Src)[yyi]; \
638 } \
639 while (0)
640 # endif
641 # endif
642 #endif /* !YYCOPY_NEEDED */
643
644 /* YYFINAL -- State number of the termination state. */
645 #define YYFINAL 2
646 /* YYLAST -- Last index in YYTABLE. */
647 #define YYLAST 571
648
649 /* YYNTOKENS -- Number of terminals. */
650 #define YYNTOKENS 52
651 /* YYNNTS -- Number of nonterminals. */
652 #define YYNNTS 17
653 /* YYNRULES -- Number of rules. */
654 #define YYNRULES 76
655 /* YYNSTATES -- Number of states. */
656 #define YYNSTATES 167
657
658 /* YYMAXUTOK -- Last valid token kind. */
659 #define YYMAXUTOK 289
660
661
662 /* YYTRANSLATE(TOKEN-NUM) -- Symbol number corresponding to TOKEN-NUM
663 as returned by yylex, with out-of-bounds checking. */
664 #define YYTRANSLATE(YYX) \
665 (0 <= (YYX) && (YYX) <= YYMAXUTOK \
666 ? YY_CAST (yysymbol_kind_t, yytranslate[YYX]) \
667 : YYSYMBOL_YYUNDEF)
668
669 /* YYTRANSLATE[TOKEN-NUM] -- Symbol number corresponding to TOKEN-NUM
670 as returned by yylex. */
671 static const yytype_int8 yytranslate[] =
672 {
673 0, 2, 2, 2, 2, 2, 2, 2, 2, 2,
674 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
675 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
676 2, 2, 2, 41, 2, 2, 2, 2, 2, 2,
677 50, 51, 39, 37, 49, 38, 2, 2, 2, 2,
678 2, 2, 2, 2, 2, 2, 2, 2, 28, 48,
679 33, 22, 34, 27, 2, 2, 2, 2, 2, 2,
680 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
681 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
682 2, 44, 2, 45, 2, 2, 2, 2, 2, 2,
683 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
684 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
685 2, 2, 2, 46, 2, 47, 2, 2, 2, 2,
686 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
687 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
688 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
689 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
690 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
691 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
692 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
693 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
694 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
695 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
696 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
697 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
698 2, 2, 2, 2, 2, 2, 1, 2, 3, 4,
699 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
700 15, 16, 17, 18, 19, 20, 21, 23, 24, 25,
701 26, 29, 30, 31, 32, 35, 36, 40, 42, 43
702 };
703
704 #if YYDEBUG
705 /* YYRLINE[YYN] -- Source line where rule number YYN was defined. */
706 static const yytype_uint8 yyrline[] =
707 {
708 0, 65, 65, 66, 69, 70, 72, 74, 76, 78,
709 81, 82, 86, 87, 89, 90, 91, 92, 95, 96,
710 99, 100, 103, 104, 107, 108, 111, 112, 115, 116,
711 119, 121, 123, 128, 130, 132, 135, 137, 140, 144,
712 146, 148, 150, 152, 154, 156, 157, 158, 160, 162,
713 164, 166, 168, 170, 172, 174, 176, 178, 180, 181,
714 183, 185, 186, 187, 188, 190, 191, 192, 193, 194,
715 195, 198, 199, 202, 203, 206, 207
716 };
717 #endif
718
719 /** Accessing symbol of state STATE. */
720 #define YY_ACCESSING_SYMBOL(State) YY_CAST (yysymbol_kind_t, yystos[State])
721
722 #if YYDEBUG || 0
723 /* The user-facing name of the symbol whose (internal) number is
724 YYSYMBOL. No bounds checking. */
725 static const char *yysymbol_name (yysymbol_kind_t yysymbol) YY_ATTRIBUTE_UNUSED;
726
727 /* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
728 First, the terminals, then, starting at YYNTOKENS, nonterminals. */
729 static const char *const yytname[] =
730 {
731 "\"end of file\"", "error", "\"invalid token\"", "tSYMBOL", "tREGEXP",
732 "tSTRING", "tINTEGER", "tREAL", "tSUB", "tSTATE", "tSTART",
733 "tSTARTRULES", "tNAMERULES", "tBEGIN", "tEND", "tRETURN", "tIF", "tELSE",
734 "tLOCAL", "tWHILE", "tFOR", "tEXTENDS", "'='", "tADDASSIGN",
735 "tSUBASSIGN", "tMULASSIGN", "tDIVASSIGN", "'?'", "':'", "tOR", "tAND",
736 "tEQ", "tNE", "'<'", "'>'", "tGE", "tLE", "'+'", "'-'", "'*'", "tDIV",
737 "'!'", "tPLUSPLUS", "tMINUSMINUS", "'['", "']'", "'{'", "'}'", "';'",
738 "','", "'('", "')'", "$accept", "file", "toplevel", "regexp_sym_list",
739 "staterules", "staterule", "symbol_list", "rest_symbol_list", "locals",
740 "locals_rest", "local_def", "stmt_list", "stmt", "expr", "cond_expr",
741 "expr_list", "rest_expr_list", YY_NULLPTR
742 };
743
744 static const char *
745 yysymbol_name (yysymbol_kind_t yysymbol)
746 {
747 return yytname[yysymbol];
748 }
749 #endif
750
751 #define YYPACT_NINF (-41)
752
753 #define yypact_value_is_default(Yyn) \
754 ((Yyn) == YYPACT_NINF)
755
756 #define YYTABLE_NINF (-1)
757
758 #define yytable_value_is_error(Yyn) \
759 0
760
761 /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
762 STATE-NUM. */
763 static const yytype_int16 yypact[] =
764 {
765 -41, 71, -41, 300, -41, -41, -41, -41, 1, 9,
766 -40, -28, -27, 18, -24, -18, -17, 296, 28, 31,
767 -41, 296, -41, -41, 391, 296, 296, 296, 296, 296,
768 -41, -41, 296, -15, -19, -41, -41, -41, -41, 411,
769 296, 296, 296, 12, -41, -41, 126, 322, 296, 296,
770 296, 296, 296, 296, 296, 296, 296, 296, 296, 296,
771 296, 296, -41, 486, 486, 486, 486, 486, 486, 6,
772 20, 64, 67, -41, 146, 3, 4, -41, 345, 368,
773 486, 10, -41, -41, -41, 470, 501, 515, 527, 527,
774 55, 55, 55, 55, 45, 45, 12, 12, 451, -41,
775 296, -41, 21, 24, 60, 49, -41, 94, -41, -41,
776 290, 290, 296, 296, 85, 486, 62, 112, -41, 70,
777 73, 74, 76, -41, -41, 75, 107, -41, 431, 486,
778 296, 108, -41, 51, -41, -41, -41, -41, -41, 290,
779 296, 486, 122, -41, -41, 175, 194, 223, 242, -41,
780 84, 105, -38, -41, 271, -41, -41, -41, -41, 290,
781 296, -41, 122, -41, -41, 486, -41
782 };
783
784 /* YYDEFACT[STATE-NUM] -- Default reduction number in state STATE-NUM.
785 Performed when YYTABLE does not specify something else to do. Zero
786 means the default is an error. */
787 static const yytype_int8 yydefact[] =
788 {
789 2, 0, 1, 43, 40, 39, 41, 42, 0, 0,
790 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
791 28, 0, 3, 9, 0, 0, 0, 0, 0, 0,
792 53, 54, 73, 0, 0, 28, 10, 10, 30, 0,
793 0, 0, 71, 44, 55, 56, 0, 0, 0, 0,
794 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
795 0, 0, 38, 48, 49, 50, 51, 52, 75, 0,
796 74, 18, 0, 12, 0, 0, 0, 31, 0, 0,
797 72, 0, 33, 29, 58, 0, 46, 45, 67, 68,
798 65, 66, 69, 70, 63, 64, 61, 62, 0, 47,
799 0, 20, 0, 19, 0, 0, 4, 0, 5, 6,
800 0, 0, 0, 0, 59, 76, 0, 0, 12, 0,
801 0, 0, 0, 7, 13, 0, 34, 36, 0, 60,
802 0, 22, 21, 0, 28, 28, 28, 28, 11, 0,
803 71, 57, 0, 28, 8, 0, 0, 0, 0, 35,
804 0, 26, 0, 24, 0, 17, 16, 14, 15, 0,
805 0, 23, 0, 32, 37, 27, 25
806 };
807
808 /* YYPGOTO[NTERM-NUM]. */
809 static const yytype_int8 yypgoto[] =
810 {
811 -41, -41, -41, 99, 19, -41, -41, -41, -41, -41,
812 -23, -32, -1, -12, 0, -41, -41
813 };
814
815 /* YYDEFGOTO[NTERM-NUM]. */
816 static const yytype_uint8 yydefgoto[] =
817 {
818 0, 1, 22, 75, 105, 124, 102, 103, 143, 152,
819 153, 46, 83, 24, 81, 69, 70
820 };
821
822 /* YYTABLE[YYPACT[STATE-NUM]] -- What to do in state STATE-NUM. If
823 positive, shift that token. If negative, reduce the rule whose
824 number is the opposite. If YYTABLE_NINF, syntax error. */
825 static const yytype_uint8 yytable[] =
826 {
827 23, 39, 72, 74, 33, 43, 35, 107, 107, 47,
828 161, 162, 34, 63, 64, 65, 66, 67, 36, 37,
829 68, 3, 4, 5, 6, 7, 40, 73, 78, 79,
830 80, 44, 41, 42, 45, 71, 85, 86, 87, 88,
831 89, 90, 91, 92, 93, 94, 95, 96, 97, 98,
832 108, 109, 119, 120, 119, 120, 61, 99, 112, 17,
833 18, 19, 121, 122, 121, 122, 38, 101, 21, 100,
834 104, 2, 116, 117, 3, 4, 5, 6, 7, 8,
835 9, 10, 11, 12, 59, 60, 13, 14, 115, 61,
836 15, 16, 57, 58, 59, 60, 123, 125, 144, 61,
837 128, 129, 145, 146, 147, 148, 118, 130, 131, 126,
838 127, 154, 17, 18, 19, 132, 134, 20, 141, 135,
839 136, 21, 137, 138, 139, 151, 142, 160, 80, 3,
840 4, 5, 6, 7, 8, 159, 76, 133, 149, 166,
841 150, 13, 14, 0, 0, 15, 16, 0, 165, 3,
842 4, 5, 6, 7, 8, 0, 0, 0, 164, 0,
843 0, 13, 14, 0, 0, 15, 16, 17, 18, 19,
844 0, 0, 20, 82, 0, 0, 21, 0, 3, 4,
845 5, 6, 7, 8, 0, 0, 0, 17, 18, 19,
846 13, 14, 20, 106, 15, 16, 21, 3, 4, 5,
847 6, 7, 8, 0, 0, 0, 0, 0, 0, 13,
848 14, 0, 0, 15, 16, 0, 17, 18, 19, 0,
849 0, 20, 155, 0, 0, 21, 3, 4, 5, 6,
850 7, 8, 0, 0, 0, 17, 18, 19, 13, 14,
851 20, 156, 15, 16, 21, 3, 4, 5, 6, 7,
852 8, 0, 0, 0, 0, 0, 0, 13, 14, 0,
853 0, 15, 16, 0, 17, 18, 19, 0, 0, 20,
854 157, 0, 0, 21, 3, 4, 5, 6, 7, 8,
855 0, 0, 0, 17, 18, 19, 13, 14, 20, 158,
856 15, 16, 21, 3, 4, 5, 6, 7, 8, 3,
857 4, 5, 6, 7, 0, 13, 14, 0, 0, 15,
858 16, 0, 17, 18, 19, 0, 0, 20, 163, 0,
859 0, 21, 25, 26, 27, 28, 29, 0, 0, 0,
860 0, 17, 18, 19, 0, 0, 20, 17, 18, 19,
861 21, 0, 30, 31, 0, 0, 21, 0, 0, 48,
862 32, 49, 50, 51, 52, 53, 54, 55, 56, 57,
863 58, 59, 60, 0, 0, 0, 61, 0, 0, 0,
864 0, 0, 48, 84, 49, 50, 51, 52, 53, 54,
865 55, 56, 57, 58, 59, 60, 0, 0, 0, 61,
866 0, 0, 0, 0, 0, 48, 110, 49, 50, 51,
867 52, 53, 54, 55, 56, 57, 58, 59, 60, 0,
868 0, 0, 61, 0, 0, 0, 0, 0, 48, 111,
869 49, 50, 51, 52, 53, 54, 55, 56, 57, 58,
870 59, 60, 0, 0, 0, 61, 0, 0, 48, 62,
871 49, 50, 51, 52, 53, 54, 55, 56, 57, 58,
872 59, 60, 0, 0, 0, 61, 0, 0, 48, 77,
873 49, 50, 51, 52, 53, 54, 55, 56, 57, 58,
874 59, 60, 0, 0, 0, 61, 0, 0, 48, 140,
875 49, 50, 51, 52, 53, 54, 55, 56, 57, 58,
876 59, 60, 0, 0, 0, 61, 114, 48, 113, 49,
877 50, 51, 52, 53, 54, 55, 56, 57, 58, 59,
878 60, 0, 0, 48, 61, 49, 50, 51, 52, 53,
879 54, 55, 56, 57, 58, 59, 60, 0, 0, 0,
880 61, 50, 51, 52, 53, 54, 55, 56, 57, 58,
881 59, 60, 0, 0, 0, 61, 51, 52, 53, 54,
882 55, 56, 57, 58, 59, 60, 0, 0, 0, 61,
883 53, 54, 55, 56, 57, 58, 59, 60, 0, 0,
884 0, 61
885 };
886
887 static const yytype_int16 yycheck[] =
888 {
889 1, 13, 21, 35, 3, 17, 46, 4, 4, 21,
890 48, 49, 3, 25, 26, 27, 28, 29, 46, 46,
891 32, 3, 4, 5, 6, 7, 50, 46, 40, 41,
892 42, 3, 50, 50, 3, 50, 48, 49, 50, 51,
893 52, 53, 54, 55, 56, 57, 58, 59, 60, 61,
894 47, 47, 3, 4, 3, 4, 44, 51, 48, 41,
895 42, 43, 13, 14, 13, 14, 48, 3, 50, 49,
896 3, 0, 51, 49, 3, 4, 5, 6, 7, 8,
897 9, 10, 11, 12, 39, 40, 15, 16, 100, 44,
898 19, 20, 37, 38, 39, 40, 47, 3, 47, 44,
899 112, 113, 134, 135, 136, 137, 46, 22, 46, 110,
900 111, 143, 41, 42, 43, 3, 46, 46, 130, 46,
901 46, 50, 46, 48, 17, 3, 18, 22, 140, 3,
902 4, 5, 6, 7, 8, 51, 37, 118, 139, 162,
903 140, 15, 16, -1, -1, 19, 20, -1, 160, 3,
904 4, 5, 6, 7, 8, -1, -1, -1, 159, -1,
905 -1, 15, 16, -1, -1, 19, 20, 41, 42, 43,
906 -1, -1, 46, 47, -1, -1, 50, -1, 3, 4,
907 5, 6, 7, 8, -1, -1, -1, 41, 42, 43,
908 15, 16, 46, 47, 19, 20, 50, 3, 4, 5,
909 6, 7, 8, -1, -1, -1, -1, -1, -1, 15,
910 16, -1, -1, 19, 20, -1, 41, 42, 43, -1,
911 -1, 46, 47, -1, -1, 50, 3, 4, 5, 6,
912 7, 8, -1, -1, -1, 41, 42, 43, 15, 16,
913 46, 47, 19, 20, 50, 3, 4, 5, 6, 7,
914 8, -1, -1, -1, -1, -1, -1, 15, 16, -1,
915 -1, 19, 20, -1, 41, 42, 43, -1, -1, 46,
916 47, -1, -1, 50, 3, 4, 5, 6, 7, 8,
917 -1, -1, -1, 41, 42, 43, 15, 16, 46, 47,
918 19, 20, 50, 3, 4, 5, 6, 7, 8, 3,
919 4, 5, 6, 7, -1, 15, 16, -1, -1, 19,
920 20, -1, 41, 42, 43, -1, -1, 46, 47, -1,
921 -1, 50, 22, 23, 24, 25, 26, -1, -1, -1,
922 -1, 41, 42, 43, -1, -1, 46, 41, 42, 43,
923 50, -1, 42, 43, -1, -1, 50, -1, -1, 27,
924 50, 29, 30, 31, 32, 33, 34, 35, 36, 37,
925 38, 39, 40, -1, -1, -1, 44, -1, -1, -1,
926 -1, -1, 27, 51, 29, 30, 31, 32, 33, 34,
927 35, 36, 37, 38, 39, 40, -1, -1, -1, 44,
928 -1, -1, -1, -1, -1, 27, 51, 29, 30, 31,
929 32, 33, 34, 35, 36, 37, 38, 39, 40, -1,
930 -1, -1, 44, -1, -1, -1, -1, -1, 27, 51,
931 29, 30, 31, 32, 33, 34, 35, 36, 37, 38,
932 39, 40, -1, -1, -1, 44, -1, -1, 27, 48,
933 29, 30, 31, 32, 33, 34, 35, 36, 37, 38,
934 39, 40, -1, -1, -1, 44, -1, -1, 27, 48,
935 29, 30, 31, 32, 33, 34, 35, 36, 37, 38,
936 39, 40, -1, -1, -1, 44, -1, -1, 27, 48,
937 29, 30, 31, 32, 33, 34, 35, 36, 37, 38,
938 39, 40, -1, -1, -1, 44, 45, 27, 28, 29,
939 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
940 40, -1, -1, 27, 44, 29, 30, 31, 32, 33,
941 34, 35, 36, 37, 38, 39, 40, -1, -1, -1,
942 44, 30, 31, 32, 33, 34, 35, 36, 37, 38,
943 39, 40, -1, -1, -1, 44, 31, 32, 33, 34,
944 35, 36, 37, 38, 39, 40, -1, -1, -1, 44,
945 33, 34, 35, 36, 37, 38, 39, 40, -1, -1,
946 -1, 44
947 };
948
949 /* YYSTOS[STATE-NUM] -- The symbol kind of the accessing symbol of
950 state STATE-NUM. */
951 static const yytype_int8 yystos[] =
952 {
953 0, 53, 0, 3, 4, 5, 6, 7, 8, 9,
954 10, 11, 12, 15, 16, 19, 20, 41, 42, 43,
955 46, 50, 54, 64, 65, 22, 23, 24, 25, 26,
956 42, 43, 50, 3, 3, 46, 46, 46, 48, 65,
957 50, 50, 50, 65, 3, 3, 63, 65, 27, 29,
958 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
959 40, 44, 48, 65, 65, 65, 65, 65, 65, 67,
960 68, 50, 21, 46, 63, 55, 55, 48, 65, 65,
961 65, 66, 47, 64, 51, 65, 65, 65, 65, 65,
962 65, 65, 65, 65, 65, 65, 65, 65, 65, 51,
963 49, 3, 58, 59, 3, 56, 47, 4, 47, 47,
964 51, 51, 48, 28, 45, 65, 51, 49, 46, 3,
965 4, 13, 14, 47, 57, 3, 64, 64, 65, 65,
966 22, 46, 3, 56, 46, 46, 46, 46, 48, 17,
967 48, 65, 18, 60, 47, 63, 63, 63, 63, 64,
968 66, 3, 61, 62, 63, 47, 47, 47, 47, 51,
969 22, 48, 49, 47, 64, 65, 62
970 };
971
972 /* YYR1[RULE-NUM] -- Symbol kind of the left-hand side of rule RULE-NUM. */
973 static const yytype_int8 yyr1[] =
974 {
975 0, 52, 53, 53, 54, 54, 54, 54, 54, 54,
976 55, 55, 56, 56, 57, 57, 57, 57, 58, 58,
977 59, 59, 60, 60, 61, 61, 62, 62, 63, 63,
978 64, 64, 64, 64, 64, 64, 64, 64, 64, 65,
979 65, 65, 65, 65, 65, 65, 65, 65, 65, 65,
980 65, 65, 65, 65, 65, 65, 65, 65, 65, 65,
981 65, 65, 65, 65, 65, 65, 65, 65, 65, 65,
982 65, 66, 66, 67, 67, 68, 68
983 };
984
985 /* YYR2[RULE-NUM] -- Number of symbols on the right-hand side of rule RULE-NUM. */
986 static const yytype_int8 yyr2[] =
987 {
988 0, 2, 0, 2, 4, 4, 4, 5, 7, 1,
989 0, 4, 0, 2, 4, 4, 4, 4, 0, 1,
990 1, 3, 0, 3, 1, 3, 1, 3, 0, 2,
991 2, 3, 9, 3, 5, 7, 5, 9, 2, 1,
992 1, 1, 1, 1, 2, 3, 3, 4, 3, 3,
993 3, 3, 3, 2, 2, 2, 2, 6, 3, 4,
994 5, 3, 3, 3, 3, 3, 3, 3, 3, 3,
995 3, 0, 1, 0, 1, 1, 3
996 };
997
998
999 enum { YYENOMEM = -2 };
1000
1001 #define yyerrok (yyerrstatus = 0)
1002 #define yyclearin (yychar = YYEMPTY)
1003
1004 #define YYACCEPT goto yyacceptlab
1005 #define YYABORT goto yyabortlab
1006 #define YYERROR goto yyerrorlab
1007 #define YYNOMEM goto yyexhaustedlab
1008
1009
1010 #define YYRECOVERING() (!!yyerrstatus)
1011
1012 #define YYBACKUP(Token, Value) \
1013 do \
1014 if (yychar == YYEMPTY) \
1015 { \
1016 yychar = (Token); \
1017 yylval = (Value); \
1018 YYPOPSTACK (yylen); \
1019 yystate = *yyssp; \
1020 goto yybackup; \
1021 } \
1022 else \
1023 { \
1024 yyerror (YY_("syntax error: cannot back up")); \
1025 YYERROR; \
1026 } \
1027 while (0)
1028
1029 /* Backward compatibility with an undocumented macro.
1030 Use YYerror or YYUNDEF. */
1031 #define YYERRCODE YYUNDEF
1032
1033
1034 /* Enable debugging if requested. */
1035 #if YYDEBUG
1036
1037 # ifndef YYFPRINTF
1038 # include <stdio.h> /* INFRINGES ON USER NAME SPACE */
1039 # define YYFPRINTF fprintf
1040 # endif
1041
1042 # define YYDPRINTF(Args) \
1043 do { \
1044 if (yydebug) \
1045 YYFPRINTF Args; \
1046 } while (0)
1047
1048
1049
1050
1051 # define YY_SYMBOL_PRINT(Title, Kind, Value, Location) \
1052 do { \
1053 if (yydebug) \
1054 { \
1055 YYFPRINTF (stderr, "%s ", Title); \
1056 yy_symbol_print (stderr, \
1057 Kind, Value); \
1058 YYFPRINTF (stderr, "\n"); \
1059 } \
1060 } while (0)
1061
1062
1063 /*-----------------------------------.
1064 | Print this symbol's value on YYO. |
1065 `-----------------------------------*/
1066
1067 static void
1068 yy_symbol_value_print (FILE *yyo,
1069 yysymbol_kind_t yykind, YYSTYPE const * const yyvaluep)
1070 {
1071 FILE *yyoutput = yyo;
1072 YY_USE (yyoutput);
1073 if (!yyvaluep)
1074 return;
1075 YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
1076 YY_USE (yykind);
1077 YY_IGNORE_MAYBE_UNINITIALIZED_END
1078 }
1079
1080
1081 /*---------------------------.
1082 | Print this symbol on YYO. |
1083 `---------------------------*/
1084
1085 static void
1086 yy_symbol_print (FILE *yyo,
1087 yysymbol_kind_t yykind, YYSTYPE const * const yyvaluep)
1088 {
1089 YYFPRINTF (yyo, "%s %s (",
1090 yykind < YYNTOKENS ? "token" : "nterm", yysymbol_name (yykind));
1091
1092 yy_symbol_value_print (yyo, yykind, yyvaluep);
1093 YYFPRINTF (yyo, ")");
1094 }
1095
1096 /*------------------------------------------------------------------.
1097 | yy_stack_print -- Print the state stack from its BOTTOM up to its |
1098 | TOP (included). |
1099 `------------------------------------------------------------------*/
1100
1101 static void
1102 yy_stack_print (yy_state_t *yybottom, yy_state_t *yytop)
1103 {
1104 YYFPRINTF (stderr, "Stack now");
1105 for (; yybottom <= yytop; yybottom++)
1106 {
1107 int yybot = *yybottom;
1108 YYFPRINTF (stderr, " %d", yybot);
1109 }
1110 YYFPRINTF (stderr, "\n");
1111 }
1112
1113 # define YY_STACK_PRINT(Bottom, Top) \
1114 do { \
1115 if (yydebug) \
1116 yy_stack_print ((Bottom), (Top)); \
1117 } while (0)
1118
1119
1120 /*------------------------------------------------.
1121 | Report that the YYRULE is going to be reduced. |
1122 `------------------------------------------------*/
1123
1124 static void
1125 yy_reduce_print (yy_state_t *yyssp, YYSTYPE *yyvsp,
1126 int yyrule)
1127 {
1128 int yylno = yyrline[yyrule];
1129 int yynrhs = yyr2[yyrule];
1130 int yyi;
1131 YYFPRINTF (stderr, "Reducing stack by rule %d (line %d):\n",
1132 yyrule - 1, yylno);
1133 /* The symbols being reduced. */
1134 for (yyi = 0; yyi < yynrhs; yyi++)
1135 {
1136 YYFPRINTF (stderr, " $%d = ", yyi + 1);
1137 yy_symbol_print (stderr,
1138 YY_ACCESSING_SYMBOL (+yyssp[yyi + 1 - yynrhs]),
1139 &yyvsp[(yyi + 1) - (yynrhs)]);
1140 YYFPRINTF (stderr, "\n");
1141 }
1142 }
1143
1144 # define YY_REDUCE_PRINT(Rule) \
1145 do { \
1146 if (yydebug) \
1147 yy_reduce_print (yyssp, yyvsp, Rule); \
1148 } while (0)
1149
1150 /* Nonzero means print parse trace. It is left uninitialized so that
1151 multiple parsers can coexist. */
1152 int yydebug;
1153 #else /* !YYDEBUG */
1154 # define YYDPRINTF(Args) ((void) 0)
1155 # define YY_SYMBOL_PRINT(Title, Kind, Value, Location)
1156 # define YY_STACK_PRINT(Bottom, Top)
1157 # define YY_REDUCE_PRINT(Rule)
1158 #endif /* !YYDEBUG */
1159
1160
1161 /* YYINITDEPTH -- initial size of the parser's stacks. */
1162 #ifndef YYINITDEPTH
1163 # define YYINITDEPTH 200
1164 #endif
1165
1166 /* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
1167 if the built-in stack extension method is used).
1168
1169 Do not make this value too large; the results are undefined if
1170 YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH)
1171 evaluated with infinite-precision integer arithmetic. */
1172
1173 #ifndef YYMAXDEPTH
1174 # define YYMAXDEPTH 10000
1175 #endif
1176
1177
1178
1179
1180
1181
1182 /*-----------------------------------------------.
1183 | Release the memory associated to this symbol. |
1184 `-----------------------------------------------*/
1185
1186 static void
1187 yydestruct (const char *yymsg,
1188 yysymbol_kind_t yykind, YYSTYPE *yyvaluep)
1189 {
1190 YY_USE (yyvaluep);
1191 if (!yymsg)
1192 yymsg = "Deleting";
1193 YY_SYMBOL_PRINT (yymsg, yykind, yyvaluep, yylocationp);
1194
1195 YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
1196 YY_USE (yykind);
1197 YY_IGNORE_MAYBE_UNINITIALIZED_END
1198 }
1199
1200
1201 /* Lookahead token kind. */
1202 int yychar;
1203
1204 /* The semantic value of the lookahead symbol. */
1205 YYSTYPE yylval;
1206 /* Number of syntax errors so far. */
1207 int yynerrs;
1208
1209
1210
1211
1212 /*----------.
1213 | yyparse. |
1214 `----------*/
1215
1216 int
1217 yyparse (void)
1218 {
1219 yy_state_fast_t yystate = 0;
1220 /* Number of tokens to shift before error messages enabled. */
1221 int yyerrstatus = 0;
1222
1223 /* Refer to the stacks through separate pointers, to allow yyoverflow
1224 to reallocate them elsewhere. */
1225
1226 /* Their size. */
1227 YYPTRDIFF_T yystacksize = YYINITDEPTH;
1228
1229 /* The state stack: array, bottom, top. */
1230 yy_state_t yyssa[YYINITDEPTH];
1231 yy_state_t *yyss = yyssa;
1232 yy_state_t *yyssp = yyss;
1233
1234 /* The semantic value stack: array, bottom, top. */
1235 YYSTYPE yyvsa[YYINITDEPTH];
1236 YYSTYPE *yyvs = yyvsa;
1237 YYSTYPE *yyvsp = yyvs;
1238
1239 int yyn;
1240 /* The return value of yyparse. */
1241 int yyresult;
1242 /* Lookahead symbol kind. */
1243 yysymbol_kind_t yytoken = YYSYMBOL_YYEMPTY;
1244 /* The variables used to return semantic value and location from the
1245 action routines. */
1246 YYSTYPE yyval;
1247
1248
1249
1250 #define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N))
1251
1252 /* The number of symbols on the RHS of the reduced rule.
1253 Keep to zero when no symbol should be popped. */
1254 int yylen = 0;
1255
1256 YYDPRINTF ((stderr, "Starting parse\n"));
1257
1258 yychar = YYEMPTY; /* Cause a token to be read. */
1259
1260 goto yysetstate;
1261
1262
1263 /*------------------------------------------------------------.
1264 | yynewstate -- push a new state, which is found in yystate. |
1265 `------------------------------------------------------------*/
1266 yynewstate:
1267 /* In all cases, when you get here, the value and location stacks
1268 have just been pushed. So pushing a state here evens the stacks. */
1269 yyssp++;
1270
1271
1272 /*--------------------------------------------------------------------.
1273 | yysetstate -- set current state (the top of the stack) to yystate. |
1274 `--------------------------------------------------------------------*/
1275 yysetstate:
1276 YYDPRINTF ((stderr, "Entering state %d\n", yystate));
1277 YY_ASSERT (0 <= yystate && yystate < YYNSTATES);
1278 YY_IGNORE_USELESS_CAST_BEGIN
1279 *yyssp = YY_CAST (yy_state_t, yystate);
1280 YY_IGNORE_USELESS_CAST_END
1281 YY_STACK_PRINT (yyss, yyssp);
1282
1283 if (yyss + yystacksize - 1 <= yyssp)
1284 #if !defined yyoverflow && !defined YYSTACK_RELOCATE
1285 YYNOMEM;
1286 #else
1287 {
1288 /* Get the current used size of the three stacks, in elements. */
1289 YYPTRDIFF_T yysize = yyssp - yyss + 1;
1290
1291 # if defined yyoverflow
1292 {
1293 /* Give user a chance to reallocate the stack. Use copies of
1294 these so that the &'s don't force the real ones into
1295 memory. */
1296 yy_state_t *yyss1 = yyss;
1297 YYSTYPE *yyvs1 = yyvs;
1298
1299 /* Each stack pointer address is followed by the size of the
1300 data in use in that stack, in bytes. This used to be a
1301 conditional around just the two extra args, but that might
1302 be undefined if yyoverflow is a macro. */
1303 yyoverflow (YY_("memory exhausted"),
1304 &yyss1, yysize * YYSIZEOF (*yyssp),
1305 &yyvs1, yysize * YYSIZEOF (*yyvsp),
1306 &yystacksize);
1307 yyss = yyss1;
1308 yyvs = yyvs1;
1309 }
1310 # else /* defined YYSTACK_RELOCATE */
1311 /* Extend the stack our own way. */
1312 if (YYMAXDEPTH <= yystacksize)
1313 YYNOMEM;
1314 yystacksize *= 2;
1315 if (YYMAXDEPTH < yystacksize)
1316 yystacksize = YYMAXDEPTH;
1317
1318 {
1319 yy_state_t *yyss1 = yyss;
1320 union yyalloc *yyptr =
1321 YY_CAST (union yyalloc *,
1322 YYSTACK_ALLOC (YY_CAST (YYSIZE_T, YYSTACK_BYTES (yystacksize))));
1323 if (! yyptr)
1324 YYNOMEM;
1325 YYSTACK_RELOCATE (yyss_alloc, yyss);
1326 YYSTACK_RELOCATE (yyvs_alloc, yyvs);
1327 # undef YYSTACK_RELOCATE
1328 if (yyss1 != yyssa)
1329 YYSTACK_FREE (yyss1);
1330 }
1331 # endif
1332
1333 yyssp = yyss + yysize - 1;
1334 yyvsp = yyvs + yysize - 1;
1335
1336 YY_IGNORE_USELESS_CAST_BEGIN
1337 YYDPRINTF ((stderr, "Stack size increased to %ld\n",
1338 YY_CAST (long, yystacksize)));
1339 YY_IGNORE_USELESS_CAST_END
1340
1341 if (yyss + yystacksize - 1 <= yyssp)
1342 YYABORT;
1343 }
1344 #endif /* !defined yyoverflow && !defined YYSTACK_RELOCATE */
1345
1346
1347 if (yystate == YYFINAL)
1348 YYACCEPT;
1349
1350 goto yybackup;
1351
1352
1353 /*-----------.
1354 | yybackup. |
1355 `-----------*/
1356 yybackup:
1357 /* Do appropriate processing given the current state. Read a
1358 lookahead token if we need one and don't already have one. */
1359
1360 /* First try to decide what to do without reference to lookahead token. */
1361 yyn = yypact[yystate];
1362 if (yypact_value_is_default (yyn))
1363 goto yydefault;
1364
1365 /* Not known => get a lookahead token if don't already have one. */
1366
1367 /* YYCHAR is either empty, or end-of-input, or a valid lookahead. */
1368 if (yychar == YYEMPTY)
1369 {
1370 YYDPRINTF ((stderr, "Reading a token\n"));
1371 yychar = yylex ();
1372 }
1373
1374 if (yychar <= YYEOF)
1375 {
1376 yychar = YYEOF;
1377 yytoken = YYSYMBOL_YYEOF;
1378 YYDPRINTF ((stderr, "Now at end of input.\n"));
1379 }
1380 else if (yychar == YYerror)
1381 {
1382 /* The scanner already issued an error message, process directly
1383 to error recovery. But do not keep the error token as
1384 lookahead, it is too special and may lead us to an endless
1385 loop in error recovery. */
1386 yychar = YYUNDEF;
1387 yytoken = YYSYMBOL_YYerror;
1388 goto yyerrlab1;
1389 }
1390 else
1391 {
1392 yytoken = YYTRANSLATE (yychar);
1393 YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc);
1394 }
1395
1396 /* If the proper action on seeing token YYTOKEN is to reduce or to
1397 detect an error, take that action. */
1398 yyn += yytoken;
1399 if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)
1400 goto yydefault;
1401 yyn = yytable[yyn];
1402 if (yyn <= 0)
1403 {
1404 if (yytable_value_is_error (yyn))
1405 goto yyerrlab;
1406 yyn = -yyn;
1407 goto yyreduce;
1408 }
1409
1410 /* Count tokens shifted since error; after three, turn off error
1411 status. */
1412 if (yyerrstatus)
1413 yyerrstatus--;
1414
1415 /* Shift the lookahead token. */
1416 YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
1417 yystate = yyn;
1418 YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
1419 *++yyvsp = yylval;
1420 YY_IGNORE_MAYBE_UNINITIALIZED_END
1421
1422 /* Discard the shifted token. */
1423 yychar = YYEMPTY;
1424 goto yynewstate;
1425
1426
1427 /*-----------------------------------------------------------.
1428 | yydefault -- do the default action for the current state. |
1429 `-----------------------------------------------------------*/
1430 yydefault:
1431 yyn = yydefact[yystate];
1432 if (yyn == 0)
1433 goto yyerrlab;
1434 goto yyreduce;
1435
1436
1437 /*-----------------------------.
1438 | yyreduce -- do a reduction. |
1439 `-----------------------------*/
1440 yyreduce:
1441 /* yyn is the number of a rule to reduce with. */
1442 yylen = yyr2[yyn];
1443
1444 /* If YYLEN is nonzero, implement the default value of the action:
1445 '$$ = $1'.
1446
1447 Otherwise, the following line sets YYVAL to garbage.
1448 This behavior is undocumented and Bison
1449 users should not rely upon it. Assigning to YYVAL
1450 unconditionally makes the parser a bit smaller, and it avoids a
1451 GCC warning that YYVAL may be used uninitialized. */
1452 yyval = yyvsp[1-yylen];
1453
1454
1455 YY_REDUCE_PRINT (yyn);
1456 switch (yyn)
1457 {
1458 case 4: /* toplevel: tSTART '{' stmt_list '}' */
1459 #line 69 "gram.y"
1460 { start_stmts = (yyvsp[-1].lst); }
1461 #line 1462 "gram.c"
1462 break;
1463
1464 case 5: /* toplevel: tSTARTRULES '{' regexp_sym_list '}' */
1465 #line 71 "gram.y"
1466 { startrules = (yyvsp[-1].lst); }
1467 #line 1468 "gram.c"
1468 break;
1469
1470 case 6: /* toplevel: tNAMERULES '{' regexp_sym_list '}' */
1471 #line 73 "gram.y"
1472 { namerules = (yyvsp[-1].lst); }
1473 #line 1474 "gram.c"
1474 break;
1475
1476 case 7: /* toplevel: tSTATE tSYMBOL '{' staterules '}' */
1477 #line 75 "gram.y"
1478 { define_state ((yyvsp[-3].node), NULL, (yyvsp[-1].lst)); }
1479 #line 1480 "gram.c"
1480 break;
1481
1482 case 8: /* toplevel: tSTATE tSYMBOL tEXTENDS tSYMBOL '{' staterules '}' */
1483 #line 77 "gram.y"
1484 { define_state ((yyvsp[-5].node), (yyvsp[-3].node), (yyvsp[-1].lst)); }
1485 #line 1486 "gram.c"
1486 break;
1487
1488 case 9: /* toplevel: stmt */
1489 #line 78 "gram.y"
1490 { list_append (global_stmts, (yyvsp[0].stmt)); }
1491 #line 1492 "gram.c"
1492 break;
1493
1494 case 10: /* regexp_sym_list: %empty */
1495 #line 81 "gram.y"
1496 { (yyval.lst) = list (); }
1497 #line 1498 "gram.c"
1498 break;
1499
1500 case 11: /* regexp_sym_list: regexp_sym_list tREGEXP tSYMBOL ';' */
1501 #line 83 "gram.y"
1502 { list_append ((yyvsp[-3].lst), cons ((yyvsp[-2].node), (yyvsp[-1].node))); }
1503 #line 1504 "gram.c"
1504 break;
1505
1506 case 12: /* staterules: %empty */
1507 #line 86 "gram.y"
1508 { (yyval.lst) = list (); }
1509 #line 1510 "gram.c"
1510 break;
1511
1512 case 13: /* staterules: staterules staterule */
1513 #line 87 "gram.y"
1514 { list_append ((yyvsp[-1].lst), (yyvsp[0].cons)); }
1515 #line 1516 "gram.c"
1516 break;
1517
1518 case 14: /* staterule: tBEGIN '{' stmt_list '}' */
1519 #line 89 "gram.y"
1520 { (yyval.cons) = cons (RULE_BEGIN, (yyvsp[-1].lst)); }
1521 #line 1522 "gram.c"
1522 break;
1523
1524 case 15: /* staterule: tEND '{' stmt_list '}' */
1525 #line 90 "gram.y"
1526 { (yyval.cons) = cons (RULE_END, (yyvsp[-1].lst)); }
1527 #line 1528 "gram.c"
1528 break;
1529
1530 case 16: /* staterule: tREGEXP '{' stmt_list '}' */
1531 #line 91 "gram.y"
1532 { (yyval.cons) = cons ((yyvsp[-3].node), (yyvsp[-1].lst)); }
1533 #line 1534 "gram.c"
1534 break;
1535
1536 case 17: /* staterule: tSYMBOL '{' stmt_list '}' */
1537 #line 92 "gram.y"
1538 { (yyval.cons) = cons ((yyvsp[-3].node), (yyvsp[-1].lst)); }
1539 #line 1540 "gram.c"
1540 break;
1541
1542 case 18: /* symbol_list: %empty */
1543 #line 95 "gram.y"
1544 { (yyval.lst) = list (); }
1545 #line 1546 "gram.c"
1546 break;
1547
1548 case 19: /* symbol_list: rest_symbol_list */
1549 #line 96 "gram.y"
1550 { (yyval.lst) = (yyvsp[0].lst); }
1551 #line 1552 "gram.c"
1552 break;
1553
1554 case 20: /* rest_symbol_list: tSYMBOL */
1555 #line 99 "gram.y"
1556 { (yyval.lst) = list (); list_append ((yyval.lst), (yyvsp[0].node)); }
1557 #line 1558 "gram.c"
1558 break;
1559
1560 case 21: /* rest_symbol_list: rest_symbol_list ',' tSYMBOL */
1561 #line 100 "gram.y"
1562 { list_append ((yyvsp[-2].lst), (yyvsp[0].node)); }
1563 #line 1564 "gram.c"
1564 break;
1565
1566 case 22: /* locals: %empty */
1567 #line 103 "gram.y"
1568 { (yyval.lst) = list (); }
1569 #line 1570 "gram.c"
1570 break;
1571
1572 case 23: /* locals: tLOCAL locals_rest ';' */
1573 #line 104 "gram.y"
1574 { (yyval.lst) = (yyvsp[-1].lst); }
1575 #line 1576 "gram.c"
1576 break;
1577
1578 case 24: /* locals_rest: local_def */
1579 #line 107 "gram.y"
1580 { (yyval.lst) = list (); list_append ((yyval.lst), (yyvsp[0].cons)); }
1581 #line 1582 "gram.c"
1582 break;
1583
1584 case 25: /* locals_rest: locals_rest ',' local_def */
1585 #line 108 "gram.y"
1586 { list_append ((yyvsp[-2].lst), (yyvsp[0].cons)); }
1587 #line 1588 "gram.c"
1588 break;
1589
1590 case 26: /* local_def: tSYMBOL */
1591 #line 111 "gram.y"
1592 { (yyval.cons) = cons ((yyvsp[0].node), NULL); }
1593 #line 1594 "gram.c"
1594 break;
1595
1596 case 27: /* local_def: tSYMBOL '=' expr */
1597 #line 112 "gram.y"
1598 { (yyval.cons) = cons ((yyvsp[-2].node), (yyvsp[0].expr)); }
1599 #line 1600 "gram.c"
1600 break;
1601
1602 case 28: /* stmt_list: %empty */
1603 #line 115 "gram.y"
1604 { (yyval.lst) = list (); }
1605 #line 1606 "gram.c"
1606 break;
1607
1608 case 29: /* stmt_list: stmt_list stmt */
1609 #line 116 "gram.y"
1610 { list_append ((yyvsp[-1].lst), (yyvsp[0].stmt)); }
1611 #line 1612 "gram.c"
1612 break;
1613
1614 case 30: /* stmt: tRETURN ';' */
1615 #line 119 "gram.y"
1616 { (yyval.stmt) = mk_stmt (sRETURN, NULL, NULL,
1617 NULL, NULL); }
1618 #line 1619 "gram.c"
1619 break;
1620
1621 case 31: /* stmt: tRETURN expr ';' */
1622 #line 121 "gram.y"
1623 { (yyval.stmt) = mk_stmt (sRETURN, (yyvsp[-1].expr), NULL,
1624 NULL, NULL); }
1625 #line 1626 "gram.c"
1626 break;
1627
1628 case 32: /* stmt: tSUB tSYMBOL '(' symbol_list ')' '{' locals stmt_list '}' */
1629 #line 124 "gram.y"
1630 { (yyval.stmt) = mk_stmt (sDEFSUB, (yyvsp[-7].node),
1631 cons (cons ((yyvsp[-5].lst), (yyvsp[-2].lst)),
1632 (yyvsp[-1].lst)),
1633 NULL, NULL); }
1634 #line 1635 "gram.c"
1635 break;
1636
1637 case 33: /* stmt: '{' stmt_list '}' */
1638 #line 128 "gram.y"
1639 { (yyval.stmt) = mk_stmt (sBLOCK, (yyvsp[-1].lst), NULL,
1640 NULL, NULL); }
1641 #line 1642 "gram.c"
1642 break;
1643
1644 case 34: /* stmt: tIF '(' expr ')' stmt */
1645 #line 130 "gram.y"
1646 { (yyval.stmt) = mk_stmt (sIF, (yyvsp[-2].expr), (yyvsp[0].stmt), NULL,
1647 NULL); }
1648 #line 1649 "gram.c"
1649 break;
1650
1651 case 35: /* stmt: tIF '(' expr ')' stmt tELSE stmt */
1652 #line 133 "gram.y"
1653 { (yyval.stmt) = mk_stmt (sIF, (yyvsp[-4].expr), (yyvsp[-2].stmt), (yyvsp[0].stmt),
1654 NULL); }
1655 #line 1656 "gram.c"
1656 break;
1657
1658 case 36: /* stmt: tWHILE '(' expr ')' stmt */
1659 #line 135 "gram.y"
1660 { (yyval.stmt) = mk_stmt (sWHILE, (yyvsp[-2].expr), (yyvsp[0].stmt),
1661 NULL, NULL); }
1662 #line 1663 "gram.c"
1663 break;
1664
1665 case 37: /* stmt: tFOR '(' cond_expr ';' expr ';' cond_expr ')' stmt */
1666 #line 138 "gram.y"
1667 { (yyval.stmt) = mk_stmt (sFOR, (yyvsp[-6].expr), (yyvsp[-4].expr), (yyvsp[-2].expr),
1668 (yyvsp[0].stmt)); }
1669 #line 1670 "gram.c"
1670 break;
1671
1672 case 38: /* stmt: expr ';' */
1673 #line 140 "gram.y"
1674 { (yyval.stmt) = mk_stmt (sEXPR, (yyvsp[-1].expr), NULL,
1675 NULL, NULL); }
1676 #line 1677 "gram.c"
1677 break;
1678
1679 case 39: /* expr: tSTRING */
1680 #line 144 "gram.y"
1681 { (yyval.expr) = mk_expr (eSTRING, (yyvsp[0].node), NULL,
1682 NULL); }
1683 #line 1684 "gram.c"
1684 break;
1685
1686 case 40: /* expr: tREGEXP */
1687 #line 146 "gram.y"
1688 { (yyval.expr) = mk_expr (eREGEXP, (yyvsp[0].node), NULL,
1689 NULL); }
1690 #line 1691 "gram.c"
1691 break;
1692
1693 case 41: /* expr: tINTEGER */
1694 #line 148 "gram.y"
1695 { (yyval.expr) = mk_expr (eINTEGER, (yyvsp[0].node), NULL,
1696 NULL); }
1697 #line 1698 "gram.c"
1698 break;
1699
1700 case 42: /* expr: tREAL */
1701 #line 150 "gram.y"
1702 { (yyval.expr) = mk_expr (eREAL, (yyvsp[0].node), NULL,
1703 NULL); }
1704 #line 1705 "gram.c"
1705 break;
1706
1707 case 43: /* expr: tSYMBOL */
1708 #line 152 "gram.y"
1709 { (yyval.expr) = mk_expr (eSYMBOL, (yyvsp[0].node), NULL,
1710 NULL); }
1711 #line 1712 "gram.c"
1712 break;
1713
1714 case 44: /* expr: '!' expr */
1715 #line 154 "gram.y"
1716 { (yyval.expr) = mk_expr (eNOT, (yyvsp[0].expr), NULL,
1717 NULL); }
1718 #line 1719 "gram.c"
1719 break;
1720
1721 case 45: /* expr: expr tAND expr */
1722 #line 156 "gram.y"
1723 { (yyval.expr) = mk_expr (eAND, (yyvsp[-2].expr), (yyvsp[0].expr), NULL); }
1724 #line 1725 "gram.c"
1725 break;
1726
1727 case 46: /* expr: expr tOR expr */
1728 #line 157 "gram.y"
1729 { (yyval.expr) = mk_expr (eOR, (yyvsp[-2].expr), (yyvsp[0].expr), NULL); }
1730 #line 1731 "gram.c"
1731 break;
1732
1733 case 47: /* expr: tSYMBOL '(' expr_list ')' */
1734 #line 158 "gram.y"
1735 { (yyval.expr) = mk_expr (eFCALL, (yyvsp[-3].node), (yyvsp[-1].lst),
1736 NULL); }
1737 #line 1738 "gram.c"
1738 break;
1739
1740 case 48: /* expr: tSYMBOL '=' expr */
1741 #line 160 "gram.y"
1742 { (yyval.expr) = mk_expr (eASSIGN, (yyvsp[-2].node), (yyvsp[0].expr),
1743 NULL); }
1744 #line 1745 "gram.c"
1745 break;
1746
1747 case 49: /* expr: tSYMBOL tADDASSIGN expr */
1748 #line 162 "gram.y"
1749 { (yyval.expr) = mk_expr (eADDASSIGN, (yyvsp[-2].node), (yyvsp[0].expr),
1750 NULL); }
1751 #line 1752 "gram.c"
1752 break;
1753
1754 case 50: /* expr: tSYMBOL tSUBASSIGN expr */
1755 #line 164 "gram.y"
1756 { (yyval.expr) = mk_expr (eSUBASSIGN, (yyvsp[-2].node), (yyvsp[0].expr),
1757 NULL); }
1758 #line 1759 "gram.c"
1759 break;
1760
1761 case 51: /* expr: tSYMBOL tMULASSIGN expr */
1762 #line 166 "gram.y"
1763 { (yyval.expr) = mk_expr (eMULASSIGN, (yyvsp[-2].node), (yyvsp[0].expr),
1764 NULL); }
1765 #line 1766 "gram.c"
1766 break;
1767
1768 case 52: /* expr: tSYMBOL tDIVASSIGN expr */
1769 #line 168 "gram.y"
1770 { (yyval.expr) = mk_expr (eDIVASSIGN, (yyvsp[-2].node), (yyvsp[0].expr),
1771 NULL); }
1772 #line 1773 "gram.c"
1773 break;
1774
1775 case 53: /* expr: tSYMBOL tPLUSPLUS */
1776 #line 170 "gram.y"
1777 { (yyval.expr) = mk_expr (ePOSTFIXADD, (yyvsp[-1].node), NULL,
1778 NULL); }
1779 #line 1780 "gram.c"
1780 break;
1781
1782 case 54: /* expr: tSYMBOL tMINUSMINUS */
1783 #line 172 "gram.y"
1784 { (yyval.expr) = mk_expr (ePOSTFIXSUB, (yyvsp[-1].node), NULL,
1785 NULL); }
1786 #line 1787 "gram.c"
1787 break;
1788
1789 case 55: /* expr: tPLUSPLUS tSYMBOL */
1790 #line 174 "gram.y"
1791 { (yyval.expr) = mk_expr (ePREFIXADD, (yyvsp[0].node), NULL,
1792 NULL); }
1793 #line 1794 "gram.c"
1794 break;
1795
1796 case 56: /* expr: tMINUSMINUS tSYMBOL */
1797 #line 176 "gram.y"
1798 { (yyval.expr) = mk_expr (ePREFIXSUB, (yyvsp[0].node), NULL,
1799 NULL); }
1800 #line 1801 "gram.c"
1801 break;
1802
1803 case 57: /* expr: expr '[' expr ']' '=' expr */
1804 #line 178 "gram.y"
1805 { (yyval.expr) = mk_expr (eARRAYASSIGN, (yyvsp[-5].expr), (yyvsp[-3].expr),
1806 (yyvsp[0].expr)); }
1807 #line 1808 "gram.c"
1808 break;
1809
1810 case 58: /* expr: '(' expr ')' */
1811 #line 180 "gram.y"
1812 { (yyval.expr) = (yyvsp[-1].expr); }
1813 #line 1814 "gram.c"
1814 break;
1815
1816 case 59: /* expr: expr '[' expr ']' */
1817 #line 181 "gram.y"
1818 { (yyval.expr) = mk_expr (eARRAYREF, (yyvsp[-3].expr), (yyvsp[-1].expr),
1819 NULL); }
1820 #line 1821 "gram.c"
1821 break;
1822
1823 case 60: /* expr: expr '?' expr ':' expr */
1824 #line 183 "gram.y"
1825 { (yyval.expr) = mk_expr (eQUESTCOLON, (yyvsp[-4].expr), (yyvsp[-2].expr),
1826 (yyvsp[0].expr)); }
1827 #line 1828 "gram.c"
1828 break;
1829
1830 case 61: /* expr: expr '*' expr */
1831 #line 185 "gram.y"
1832 { (yyval.expr) = mk_expr (eMULT, (yyvsp[-2].expr), (yyvsp[0].expr), NULL); }
1833 #line 1834 "gram.c"
1834 break;
1835
1836 case 62: /* expr: expr tDIV expr */
1837 #line 186 "gram.y"
1838 { (yyval.expr) = mk_expr (eDIV, (yyvsp[-2].expr), (yyvsp[0].expr), NULL); }
1839 #line 1840 "gram.c"
1840 break;
1841
1842 case 63: /* expr: expr '+' expr */
1843 #line 187 "gram.y"
1844 { (yyval.expr) = mk_expr (ePLUS, (yyvsp[-2].expr), (yyvsp[0].expr), NULL); }
1845 #line 1846 "gram.c"
1846 break;
1847
1848 case 64: /* expr: expr '-' expr */
1849 #line 188 "gram.y"
1850 { (yyval.expr) = mk_expr (eMINUS, (yyvsp[-2].expr), (yyvsp[0].expr),
1851 NULL); }
1852 #line 1853 "gram.c"
1853 break;
1854
1855 case 65: /* expr: expr '<' expr */
1856 #line 190 "gram.y"
1857 { (yyval.expr) = mk_expr (eLT, (yyvsp[-2].expr), (yyvsp[0].expr), NULL); }
1858 #line 1859 "gram.c"
1859 break;
1860
1861 case 66: /* expr: expr '>' expr */
1862 #line 191 "gram.y"
1863 { (yyval.expr) = mk_expr (eGT, (yyvsp[-2].expr), (yyvsp[0].expr), NULL); }
1864 #line 1865 "gram.c"
1865 break;
1866
1867 case 67: /* expr: expr tEQ expr */
1868 #line 192 "gram.y"
1869 { (yyval.expr) = mk_expr (eEQ, (yyvsp[-2].expr), (yyvsp[0].expr), NULL); }
1870 #line 1871 "gram.c"
1871 break;
1872
1873 case 68: /* expr: expr tNE expr */
1874 #line 193 "gram.y"
1875 { (yyval.expr) = mk_expr (eNE, (yyvsp[-2].expr), (yyvsp[0].expr), NULL); }
1876 #line 1877 "gram.c"
1877 break;
1878
1879 case 69: /* expr: expr tGE expr */
1880 #line 194 "gram.y"
1881 { (yyval.expr) = mk_expr (eGE, (yyvsp[-2].expr), (yyvsp[0].expr), NULL); }
1882 #line 1883 "gram.c"
1883 break;
1884
1885 case 70: /* expr: expr tLE expr */
1886 #line 195 "gram.y"
1887 { (yyval.expr) = mk_expr (eLE, (yyvsp[-2].expr), (yyvsp[0].expr), NULL); }
1888 #line 1889 "gram.c"
1889 break;
1890
1891 case 71: /* cond_expr: %empty */
1892 #line 198 "gram.y"
1893 { (yyval.expr) = NULL; }
1894 #line 1895 "gram.c"
1895 break;
1896
1897 case 72: /* cond_expr: expr */
1898 #line 199 "gram.y"
1899 { (yyval.expr) = (yyvsp[0].expr); }
1900 #line 1901 "gram.c"
1901 break;
1902
1903 case 73: /* expr_list: %empty */
1904 #line 202 "gram.y"
1905 { (yyval.lst) = list (); }
1906 #line 1907 "gram.c"
1907 break;
1908
1909 case 74: /* expr_list: rest_expr_list */
1910 #line 203 "gram.y"
1911 { (yyval.lst) = (yyvsp[0].lst); }
1912 #line 1913 "gram.c"
1913 break;
1914
1915 case 75: /* rest_expr_list: expr */
1916 #line 206 "gram.y"
1917 { (yyval.lst) = list (); list_append ((yyval.lst), (yyvsp[0].expr)); }
1918 #line 1919 "gram.c"
1919 break;
1920
1921 case 76: /* rest_expr_list: rest_expr_list ',' expr */
1922 #line 207 "gram.y"
1923 { list_append ((yyvsp[-2].lst), (yyvsp[0].expr)); }
1924 #line 1925 "gram.c"
1925 break;
1926
1927
1928 #line 1929 "gram.c"
1929
1930 default: break;
1931 }
1932 /* User semantic actions sometimes alter yychar, and that requires
1933 that yytoken be updated with the new translation. We take the
1934 approach of translating immediately before every use of yytoken.
1935 One alternative is translating here after every semantic action,
1936 but that translation would be missed if the semantic action invokes
1937 YYABORT, YYACCEPT, or YYERROR immediately after altering yychar or
1938 if it invokes YYBACKUP. In the case of YYABORT or YYACCEPT, an
1939 incorrect destructor might then be invoked immediately. In the
1940 case of YYERROR or YYBACKUP, subsequent parser actions might lead
1941 to an incorrect destructor call or verbose syntax error message
1942 before the lookahead is translated. */
1943 YY_SYMBOL_PRINT ("-> $$ =", YY_CAST (yysymbol_kind_t, yyr1[yyn]), &yyval, &yyloc);
1944
1945 YYPOPSTACK (yylen);
1946 yylen = 0;
1947
1948 *++yyvsp = yyval;
1949
1950 /* Now 'shift' the result of the reduction. Determine what state
1951 that goes to, based on the state we popped back to and the rule
1952 number reduced by. */
1953 {
1954 const int yylhs = yyr1[yyn] - YYNTOKENS;
1955 const int yyi = yypgoto[yylhs] + *yyssp;
1956 yystate = (0 <= yyi && yyi <= YYLAST && yycheck[yyi] == *yyssp
1957 ? yytable[yyi]
1958 : yydefgoto[yylhs]);
1959 }
1960
1961 goto yynewstate;
1962
1963
1964 /*--------------------------------------.
1965 | yyerrlab -- here on detecting error. |
1966 `--------------------------------------*/
1967 yyerrlab:
1968 /* Make sure we have latest lookahead translation. See comments at
1969 user semantic actions for why this is necessary. */
1970 yytoken = yychar == YYEMPTY ? YYSYMBOL_YYEMPTY : YYTRANSLATE (yychar);
1971 /* If not already recovering from an error, report this error. */
1972 if (!yyerrstatus)
1973 {
1974 ++yynerrs;
1975 yyerror (YY_("syntax error"));
1976 }
1977
1978 if (yyerrstatus == 3)
1979 {
1980 /* If just tried and failed to reuse lookahead token after an
1981 error, discard it. */
1982
1983 if (yychar <= YYEOF)
1984 {
1985 /* Return failure if at end of input. */
1986 if (yychar == YYEOF)
1987 YYABORT;
1988 }
1989 else
1990 {
1991 yydestruct ("Error: discarding",
1992 yytoken, &yylval);
1993 yychar = YYEMPTY;
1994 }
1995 }
1996
1997 /* Else will try to reuse lookahead token after shifting the error
1998 token. */
1999 goto yyerrlab1;
2000
2001
2002 /*---------------------------------------------------.
2003 | yyerrorlab -- error raised explicitly by YYERROR. |
2004 `---------------------------------------------------*/
2005 yyerrorlab:
2006 /* Pacify compilers when the user code never invokes YYERROR and the
2007 label yyerrorlab therefore never appears in user code. */
2008 if (0)
2009 YYERROR;
2010 ++yynerrs;
2011
2012 /* Do not reclaim the symbols of the rule whose action triggered
2013 this YYERROR. */
2014 YYPOPSTACK (yylen);
2015 yylen = 0;
2016 YY_STACK_PRINT (yyss, yyssp);
2017 yystate = *yyssp;
2018 goto yyerrlab1;
2019
2020
2021 /*-------------------------------------------------------------.
2022 | yyerrlab1 -- common code for both syntax error and YYERROR. |
2023 `-------------------------------------------------------------*/
2024 yyerrlab1:
2025 yyerrstatus = 3; /* Each real token shifted decrements this. */
2026
2027 /* Pop stack until we find a state that shifts the error token. */
2028 for (;;)
2029 {
2030 yyn = yypact[yystate];
2031 if (!yypact_value_is_default (yyn))
2032 {
2033 yyn += YYSYMBOL_YYerror;
2034 if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYSYMBOL_YYerror)
2035 {
2036 yyn = yytable[yyn];
2037 if (0 < yyn)
2038 break;
2039 }
2040 }
2041
2042 /* Pop the current state because it cannot handle the error token. */
2043 if (yyssp == yyss)
2044 YYABORT;
2045
2046
2047 yydestruct ("Error: popping",
2048 YY_ACCESSING_SYMBOL (yystate), yyvsp);
2049 YYPOPSTACK (1);
2050 yystate = *yyssp;
2051 YY_STACK_PRINT (yyss, yyssp);
2052 }
2053
2054 YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
2055 *++yyvsp = yylval;
2056 YY_IGNORE_MAYBE_UNINITIALIZED_END
2057
2058
2059 /* Shift the error token. */
2060 YY_SYMBOL_PRINT ("Shifting", YY_ACCESSING_SYMBOL (yyn), yyvsp, yylsp);
2061
2062 yystate = yyn;
2063 goto yynewstate;
2064
2065
2066 /*-------------------------------------.
2067 | yyacceptlab -- YYACCEPT comes here. |
2068 `-------------------------------------*/
2069 yyacceptlab:
2070 yyresult = 0;
2071 goto yyreturnlab;
2072
2073
2074 /*-----------------------------------.
2075 | yyabortlab -- YYABORT comes here. |
2076 `-----------------------------------*/
2077 yyabortlab:
2078 yyresult = 1;
2079 goto yyreturnlab;
2080
2081
2082 /*-----------------------------------------------------------.
2083 | yyexhaustedlab -- YYNOMEM (memory exhaustion) comes here. |
2084 `-----------------------------------------------------------*/
2085 yyexhaustedlab:
2086 yyerror (YY_("memory exhausted"));
2087 yyresult = 2;
2088 goto yyreturnlab;
2089
2090
2091 /*----------------------------------------------------------.
2092 | yyreturnlab -- parsing is finished, clean up and return. |
2093 `----------------------------------------------------------*/
2094 yyreturnlab:
2095 if (yychar != YYEMPTY)
2096 {
2097 /* Make sure we have latest lookahead translation. See comments at
2098 user semantic actions for why this is necessary. */
2099 yytoken = YYTRANSLATE (yychar);
2100 yydestruct ("Cleanup: discarding lookahead",
2101 yytoken, &yylval);
2102 }
2103 /* Do not reclaim the symbols of the rule whose action triggered
2104 this YYABORT or YYACCEPT. */
2105 YYPOPSTACK (yylen);
2106 YY_STACK_PRINT (yyss, yyssp);
2107 while (yyssp != yyss)
2108 {
2109 yydestruct ("Cleanup: popping",
2110 YY_ACCESSING_SYMBOL (+*yyssp), yyvsp);
2111 YYPOPSTACK (1);
2112 }
2113 #ifndef yyoverflow
2114 if (yyss != yyssa)
2115 YYSTACK_FREE (yyss);
2116 #endif
2117
2118 return yyresult;
2119 }
2120
2121 #line 210 "gram.y"
2122
2123
2124 void
2125 yyerror (msg)
2126 char *msg;
2127 {
2128 fprintf (stderr, "%s:%d: %s\n", yyin_name, linenum, msg);
2129 }