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1 /* A Bison parser, made by GNU Bison 3.8.2. */

2

3 /* Bison implementation for Yacc-like parsers in C

4

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

69 /* First part of user prologue. */

70 #line 1 "gram.y"

71

72 /* -*- c -*-

73 * Grammar for states.

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;

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)

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

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;

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 }