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| 1 | /* A Bison parser, made by GNU Bison 1.875a. */
|
|---|---|
| 2 | |
| 3 | /* Skeleton parser for Yacc-like parsing with Bison,
|
| 4 | Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003 Free Software Foundation, Inc. |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 2, or (at your option) |
| 9 | any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program; if not, write to the Free Software |
| 18 | Foundation, Inc., 59 Temple Place - Suite 330, |
| 19 | Boston, MA 02111-1307, USA. */ |
| 20 | |
| 21 | /* As a special exception, when this file is copied by Bison into a
|
| 22 | Bison output file, you may use that output file without restriction. |
| 23 | This special exception was added by the Free Software Foundation |
| 24 | in version 1.24 of Bison. */ |
| 25 | |
| 26 | /* Written by Richard Stallman by simplifying the original so called
|
| 27 | ``semantic'' parser. */ |
| 28 | |
| 29 | /* All symbols defined below should begin with yy or YY, to avoid
|
| 30 | infringing on user name space. This should be done even for local |
| 31 | variables, as they might otherwise be expanded by user macros. |
| 32 | There are some unavoidable exceptions within include files to |
| 33 | define necessary library symbols; they are noted "INFRINGES ON |
| 34 | USER NAME SPACE" below. */ |
| 35 | |
| 36 | /* Identify Bison output. */
|
| 37 | #define YYBISON 1 |
| 38 | |
| 39 | /* Skeleton name. */
|
| 40 | #define YYSKELETON_NAME "yacc.c" |
| 41 | |
| 42 | /* Pure parsers. */
|
| 43 | #define YYPURE 1 |
| 44 | |
| 45 | /* Using locations. */
|
| 46 | #define YYLSP_NEEDED 0 |
| 47 | |
| 48 | /* If NAME_PREFIX is specified substitute the variables and functions
|
| 49 | names. */ |
| 50 | #define yyparse __gettextparse
|
| 51 | #define yylex __gettextlex
|
| 52 | #define yyerror __gettexterror
|
| 53 | #define yylval __gettextlval
|
| 54 | #define yychar __gettextchar
|
| 55 | #define yydebug __gettextdebug
|
| 56 | #define yynerrs __gettextnerrs
|
| 57 | |
| 58 | |
| 59 | /* Tokens. */
|
| 60 | #ifndef YYTOKENTYPE
|
| 61 | # define YYTOKENTYPE
|
| 62 | /* Put the tokens into the symbol table, so that GDB and other debuggers
|
| 63 | know about them. */ |
| 64 | enum yytokentype {
|
| 65 | EQUOP2 = 258,
|
| 66 | CMPOP2 = 259,
|
| 67 | ADDOP2 = 260,
|
| 68 | MULOP2 = 261,
|
| 69 | NUMBER = 262
|
| 70 | }; |
| 71 | #endif
|
| 72 | #define EQUOP2 258 |
| 73 | #define CMPOP2 259 |
| 74 | #define ADDOP2 260 |
| 75 | #define MULOP2 261 |
| 76 | #define NUMBER 262 |
| 77 | |
| 78 | |
| 79 | |
| 80 | |
| 81 | /* Copy the first part of user declarations. */
|
| 82 | #line 1 "plural.y" |
| 83 | |
| 84 | /* Expression parsing for plural form selection.
|
| 85 | Copyright (C) 2000-2001, 2003 Free Software Foundation, Inc. |
| 86 | Written by Ulrich Drepper <drepper@cygnus.com>, 2000. |
| 87 | |
| 88 | This program is free software; you can redistribute it and/or modify it |
| 89 | under the terms of the GNU Library General Public License as published |
| 90 | by the Free Software Foundation; either version 2, or (at your option) |
| 91 | any later version. |
| 92 | |
| 93 | This program is distributed in the hope that it will be useful, |
| 94 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 95 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 96 | Library General Public License for more details. |
| 97 | |
| 98 | You should have received a copy of the GNU Library General Public |
| 99 | License along with this program; if not, write to the Free Software |
| 100 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
| 101 | USA. */ |
| 102 | |
| 103 | /* The bison generated parser uses alloca. AIX 3 forces us to put this
|
| 104 | declaration at the beginning of the file. The declaration in bison's |
| 105 | skeleton file comes too late. This must come before <config.h> |
| 106 | because <config.h> may include arbitrary system headers. */ |
| 107 | #if defined _AIX && !defined __GNUC__
|
| 108 | #pragma alloca
|
| 109 | #endif
|
| 110 | |
| 111 | #ifdef HAVE_CONFIG_H
|
| 112 | # include <config.h> |
| 113 | #endif
|
| 114 | |
| 115 | #include <stddef.h> |
| 116 | #include <stdlib.h> |
| 117 | #include "plural-exp.h" |
| 118 | |
| 119 | /* The main function generated by the parser is called __gettextparse,
|
| 120 | but we want it to be called PLURAL_PARSE. */ |
| 121 | #ifndef _LIBC
|
| 122 | # define __gettextparse PLURAL_PARSE
|
| 123 | #endif
|
| 124 | |
| 125 | #define YYLEX_PARAM &((struct parse_args *) arg)->cp |
| 126 | #define YYPARSE_PARAM arg
|
| 127 | |
| 128 | |
| 129 | /* Enabling traces. */
|
| 130 | #ifndef YYDEBUG
|
| 131 | # define YYDEBUG 0 |
| 132 | #endif
|
| 133 | |
| 134 | /* Enabling verbose error messages. */
|
| 135 | #ifdef YYERROR_VERBOSE
|
| 136 | # undef YYERROR_VERBOSE
|
| 137 | # define YYERROR_VERBOSE 1 |
| 138 | #else
|
| 139 | # define YYERROR_VERBOSE 0 |
| 140 | #endif
|
| 141 | |
| 142 | #if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)
|
| 143 | #line 49 "plural.y" |
| 144 | typedef union YYSTYPE { |
| 145 | unsigned long int num; |
| 146 | enum operator op;
|
| 147 | struct expression *exp;
|
| 148 | } YYSTYPE; |
| 149 | /* Line 191 of yacc.c. */
|
| 150 | #line 151 "plural.c" |
| 151 | # define yystype YYSTYPE /* obsolescent; will be withdrawn */ |
| 152 | # define YYSTYPE_IS_DECLARED 1 |
| 153 | # define YYSTYPE_IS_TRIVIAL 1 |
| 154 | #endif
|
| 155 | |
| 156 | |
| 157 | |
| 158 | /* Copy the second part of user declarations. */
|
| 159 | #line 55 "plural.y" |
| 160 | |
| 161 | /* Prototypes for local functions. */
|
| 162 | static int yylex (YYSTYPE *lval, const char **pexp); |
| 163 | static void yyerror (const char *str); |
| 164 | |
| 165 | /* Allocation of expressions. */
|
| 166 | |
| 167 | static struct expression * |
| 168 | new_exp (int nargs, enum operator op, struct expression * const *args) |
| 169 | {
|
| 170 | int i;
|
| 171 | struct expression *newp;
|
| 172 | |
| 173 | /* If any of the argument could not be malloc'ed, just return NULL. */
|
| 174 | for (i = nargs - 1; i >= 0; i--) |
| 175 | if (args[i] == NULL) |
| 176 | goto fail;
|
| 177 | |
| 178 | /* Allocate a new expression. */
|
| 179 | newp = (struct expression *) malloc (sizeof (*newp)); |
| 180 | if (newp != NULL) |
| 181 | {
|
| 182 | newp->nargs = nargs; |
| 183 | newp->operation = op; |
| 184 | for (i = nargs - 1; i >= 0; i--) |
| 185 | newp->val.args[i] = args[i]; |
| 186 | return newp;
|
| 187 | } |
| 188 | |
| 189 | fail:
|
| 190 | for (i = nargs - 1; i >= 0; i--) |
| 191 | FREE_EXPRESSION (args[i]); |
| 192 | |
| 193 | return NULL; |
| 194 | } |
| 195 | |
| 196 | static inline struct expression * |
| 197 | new_exp_0 (enum operator op)
|
| 198 | {
|
| 199 | return new_exp (0, op, NULL); |
| 200 | } |
| 201 | |
| 202 | static inline struct expression * |
| 203 | new_exp_1 (enum operator op, struct expression *right) |
| 204 | {
|
| 205 | struct expression *args[1]; |
| 206 | |
| 207 | args[0] = right;
|
| 208 | return new_exp (1, op, args); |
| 209 | } |
| 210 | |
| 211 | static struct expression * |
| 212 | new_exp_2 (enum operator op, struct expression *left, struct expression *right) |
| 213 | {
|
| 214 | struct expression *args[2]; |
| 215 | |
| 216 | args[0] = left;
|
| 217 | args[1] = right;
|
| 218 | return new_exp (2, op, args); |
| 219 | } |
| 220 | |
| 221 | static inline struct expression * |
| 222 | new_exp_3 (enum operator op, struct expression *bexp, |
| 223 | struct expression *tbranch, struct expression *fbranch) |
| 224 | {
|
| 225 | struct expression *args[3]; |
| 226 | |
| 227 | args[0] = bexp;
|
| 228 | args[1] = tbranch;
|
| 229 | args[2] = fbranch;
|
| 230 | return new_exp (3, op, args); |
| 231 | } |
| 232 | |
| 233 | |
| 234 | |
| 235 | /* Line 214 of yacc.c. */
|
| 236 | #line 237 "plural.c" |
| 237 | |
| 238 | #if ! defined (yyoverflow) || YYERROR_VERBOSE
|
| 239 | |
| 240 | /* The parser invokes alloca or malloc; define the necessary symbols. */
|
| 241 | |
| 242 | # if YYSTACK_USE_ALLOCA
|
| 243 | # define YYSTACK_ALLOC alloca
|
| 244 | # else
|
| 245 | # ifndef YYSTACK_USE_ALLOCA
|
| 246 | # if defined (alloca) || defined (_ALLOCA_H)
|
| 247 | # define YYSTACK_ALLOC alloca
|
| 248 | # else
|
| 249 | # ifdef __GNUC__
|
| 250 | # define YYSTACK_ALLOC __builtin_alloca
|
| 251 | # endif
|
| 252 | # endif
|
| 253 | # endif
|
| 254 | # endif
|
| 255 | |
| 256 | # ifdef YYSTACK_ALLOC
|
| 257 | /* Pacify GCC's `empty if-body' warning. */
|
| 258 | # define YYSTACK_FREE(Ptr) do { /* empty */; } while (0) |
| 259 | # else
|
| 260 | # if defined (__STDC__) || defined (__cplusplus)
|
| 261 | # include <stdlib.h> /* INFRINGES ON USER NAME SPACE */ |
| 262 | # define YYSIZE_T size_t
|
| 263 | # endif
|
| 264 | # define YYSTACK_ALLOC malloc
|
| 265 | # define YYSTACK_FREE free
|
| 266 | # endif
|
| 267 | #endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */ |
| 268 | |
| 269 | |
| 270 | #if (! defined (yyoverflow) \
|
| 271 | && (! defined (__cplusplus) \ |
| 272 | || (YYSTYPE_IS_TRIVIAL))) |
| 273 | |
| 274 | /* A type that is properly aligned for any stack member. */
|
| 275 | union yyalloc
|
| 276 | {
|
| 277 | short yyss;
|
| 278 | YYSTYPE yyvs; |
| 279 | }; |
| 280 | |
| 281 | /* The size of the maximum gap between one aligned stack and the next. */
|
| 282 | # define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1) |
| 283 | |
| 284 | /* The size of an array large to enough to hold all stacks, each with
|
| 285 | N elements. */ |
| 286 | # define YYSTACK_BYTES(N) \
|
| 287 | ((N) * (sizeof (short) + sizeof (YYSTYPE)) \ |
| 288 | + YYSTACK_GAP_MAXIMUM) |
| 289 | |
| 290 | /* Copy COUNT objects from FROM to TO. The source and destination do
|
| 291 | not overlap. */ |
| 292 | # ifndef YYCOPY
|
| 293 | # if 1 < __GNUC__ |
| 294 | # define YYCOPY(To, From, Count) \
|
| 295 | __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
|
| 296 | # else
|
| 297 | # define YYCOPY(To, From, Count) \
|
| 298 | do \
|
| 299 | { \
|
| 300 | register YYSIZE_T yyi; \
|
| 301 | for (yyi = 0; yyi < (Count); yyi++) \ |
| 302 | (To)[yyi] = (From)[yyi]; \ |
| 303 | } \ |
| 304 | while (0) |
| 305 | # endif
|
| 306 | # endif
|
| 307 | |
| 308 | /* Relocate STACK from its old location to the new one. The
|
| 309 | local variables YYSIZE and YYSTACKSIZE give the old and new number of |
| 310 | elements in the stack, and YYPTR gives the new location of the |
| 311 | stack. Advance YYPTR to a properly aligned location for the next |
| 312 | stack. */ |
| 313 | # define YYSTACK_RELOCATE(Stack) \
|
| 314 | do \
|
| 315 | { \
|
| 316 | YYSIZE_T yynewbytes; \ |
| 317 | YYCOPY (&yyptr->Stack, Stack, yysize); \ |
| 318 | Stack = &yyptr->Stack; \ |
| 319 | yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
|
| 320 | yyptr += yynewbytes / sizeof (*yyptr); \
|
| 321 | } \ |
| 322 | while (0) |
| 323 | |
| 324 | #endif
|
| 325 | |
| 326 | #if defined (__STDC__) || defined (__cplusplus)
|
| 327 | typedef signed char yysigned_char; |
| 328 | #else
|
| 329 | typedef short yysigned_char; |
| 330 | #endif
|
| 331 | |
| 332 | /* YYFINAL -- State number of the termination state. */
|
| 333 | #define YYFINAL 9 |
| 334 | /* YYLAST -- Last index in YYTABLE. */
|
| 335 | #define YYLAST 54 |
| 336 | |
| 337 | /* YYNTOKENS -- Number of terminals. */
|
| 338 | #define YYNTOKENS 16 |
| 339 | /* YYNNTS -- Number of nonterminals. */
|
| 340 | #define YYNNTS 3 |
| 341 | /* YYNRULES -- Number of rules. */
|
| 342 | #define YYNRULES 13 |
| 343 | /* YYNRULES -- Number of states. */
|
| 344 | #define YYNSTATES 27 |
| 345 | |
| 346 | /* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */
|
| 347 | #define YYUNDEFTOK 2 |
| 348 | #define YYMAXUTOK 262 |
| 349 | |
| 350 | #define YYTRANSLATE(YYX) \
|
| 351 | ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) |
| 352 | |
| 353 | /* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */
|
| 354 | static const unsigned char yytranslate[] = |
| 355 | {
|
| 356 | 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
| 357 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
| 358 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
| 359 | 2, 2, 2, 10, 2, 2, 2, 2, 5, 2, |
| 360 | 14, 15, 2, 2, 2, 2, 2, 2, 2, 2, |
| 361 | 2, 2, 2, 2, 2, 2, 2, 2, 12, 2, |
| 362 | 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, |
| 363 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
| 364 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
| 365 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
| 366 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
| 367 | 13, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
| 368 | 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, |
| 369 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
| 370 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
| 371 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
| 372 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
| 373 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
| 374 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
| 375 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
| 376 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
| 377 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
| 378 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
| 379 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
| 380 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
| 381 | 2, 2, 2, 2, 2, 2, 1, 2, 6, 7, |
| 382 | 8, 9, 11 |
| 383 | }; |
| 384 | |
| 385 | #if YYDEBUG
|
| 386 | /* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
|
| 387 | YYRHS. */ |
| 388 | static const unsigned char yyprhs[] = |
| 389 | {
|
| 390 | 0, 0, 3, 5, 11, 15, 19, 23, 27, 31, |
| 391 | 35, 38, 40, 42 |
| 392 | }; |
| 393 | |
| 394 | /* YYRHS -- A `-1'-separated list of the rules' RHS. */
|
| 395 | static const yysigned_char yyrhs[] = |
| 396 | {
|
| 397 | 17, 0, -1, 18, -1, 18, 3, 18, 12, 18, |
| 398 | -1, 18, 4, 18, -1, 18, 5, 18, -1, 18, |
| 399 | 6, 18, -1, 18, 7, 18, -1, 18, 8, 18, |
| 400 | -1, 18, 9, 18, -1, 10, 18, -1, 13, -1, |
| 401 | 11, -1, 14, 18, 15, -1 |
| 402 | }; |
| 403 | |
| 404 | /* YYRLINE[YYN] -- source line where rule number YYN was defined. */
|
| 405 | static const unsigned char yyrline[] = |
| 406 | {
|
| 407 | 0, 150, 150, 158, 162, 166, 170, 174, 178, 182, |
| 408 | 186, 190, 194, 199 |
| 409 | }; |
| 410 | #endif
|
| 411 | |
| 412 | #if YYDEBUG || YYERROR_VERBOSE
|
| 413 | /* YYTNME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
|
| 414 | First, the terminals, then, starting at YYNTOKENS, nonterminals. */ |
| 415 | static const char *const yytname[] = |
| 416 | {
|
| 417 | "$end", "error", "$undefined", "'?'", "'|'", "'&'", "EQUOP2", "CMPOP2", |
| 418 | "ADDOP2", "MULOP2", "'!'", "NUMBER", "':'", "'n'", "'('", "')'", |
| 419 | "$accept", "start", "exp", 0 |
| 420 | }; |
| 421 | #endif
|
| 422 | |
| 423 | # ifdef YYPRINT
|
| 424 | /* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
|
| 425 | token YYLEX-NUM. */ |
| 426 | static const unsigned short yytoknum[] = |
| 427 | {
|
| 428 | 0, 256, 257, 63, 124, 38, 258, 259, 260, 261, |
| 429 | 33, 262, 58, 110, 40, 41 |
| 430 | }; |
| 431 | # endif
|
| 432 | |
| 433 | /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
|
| 434 | static const unsigned char yyr1[] = |
| 435 | {
|
| 436 | 0, 16, 17, 18, 18, 18, 18, 18, 18, 18, |
| 437 | 18, 18, 18, 18 |
| 438 | }; |
| 439 | |
| 440 | /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
|
| 441 | static const unsigned char yyr2[] = |
| 442 | {
|
| 443 | 0, 2, 1, 5, 3, 3, 3, 3, 3, 3, |
| 444 | 2, 1, 1, 3 |
| 445 | }; |
| 446 | |
| 447 | /* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
|
| 448 | STATE-NUM when YYTABLE doesn't specify something else to do. Zero |
| 449 | means the default is an error. */ |
| 450 | static const unsigned char yydefact[] = |
| 451 | {
|
| 452 | 0, 0, 12, 11, 0, 0, 2, 10, 0, 1, |
| 453 | 0, 0, 0, 0, 0, 0, 0, 13, 0, 4, |
| 454 | 5, 6, 7, 8, 9, 0, 3 |
| 455 | }; |
| 456 | |
| 457 | /* YYDEFGOTO[NTERM-NUM]. */
|
| 458 | static const yysigned_char yydefgoto[] = |
| 459 | {
|
| 460 | -1, 5, 6 |
| 461 | }; |
| 462 | |
| 463 | /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
|
| 464 | STATE-NUM. */ |
| 465 | #define YYPACT_NINF -10 |
| 466 | static const yysigned_char yypact[] = |
| 467 | {
|
| 468 | -9, -9, -10, -10, -9, 8, 36, -10, 13, -10, |
| 469 | -9, -9, -9, -9, -9, -9, -9, -10, 26, 41, |
| 470 | 45, 18, -2, 14, -10, -9, 36 |
| 471 | }; |
| 472 | |
| 473 | /* YYPGOTO[NTERM-NUM]. */
|
| 474 | static const yysigned_char yypgoto[] = |
| 475 | {
|
| 476 | -10, -10, -1 |
| 477 | }; |
| 478 | |
| 479 | /* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If
|
| 480 | positive, shift that token. If negative, reduce the rule which |
| 481 | number is the opposite. If zero, do what YYDEFACT says. |
| 482 | If YYTABLE_NINF, syntax error. */ |
| 483 | #define YYTABLE_NINF -1 |
| 484 | static const unsigned char yytable[] = |
| 485 | {
|
| 486 | 7, 1, 2, 8, 3, 4, 15, 16, 9, 18, |
| 487 | 19, 20, 21, 22, 23, 24, 10, 11, 12, 13, |
| 488 | 14, 15, 16, 16, 26, 14, 15, 16, 17, 10, |
| 489 | 11, 12, 13, 14, 15, 16, 0, 0, 25, 10, |
| 490 | 11, 12, 13, 14, 15, 16, 12, 13, 14, 15, |
| 491 | 16, 13, 14, 15, 16 |
| 492 | }; |
| 493 | |
| 494 | static const yysigned_char yycheck[] = |
| 495 | {
|
| 496 | 1, 10, 11, 4, 13, 14, 8, 9, 0, 10, |
| 497 | 11, 12, 13, 14, 15, 16, 3, 4, 5, 6, |
| 498 | 7, 8, 9, 9, 25, 7, 8, 9, 15, 3, |
| 499 | 4, 5, 6, 7, 8, 9, -1, -1, 12, 3, |
| 500 | 4, 5, 6, 7, 8, 9, 5, 6, 7, 8, |
| 501 | 9, 6, 7, 8, 9 |
| 502 | }; |
| 503 | |
| 504 | /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
|
| 505 | symbol of state STATE-NUM. */ |
| 506 | static const unsigned char yystos[] = |
| 507 | {
|
| 508 | 0, 10, 11, 13, 14, 17, 18, 18, 18, 0, |
| 509 | 3, 4, 5, 6, 7, 8, 9, 15, 18, 18, |
| 510 | 18, 18, 18, 18, 18, 12, 18 |
| 511 | }; |
| 512 | |
| 513 | #if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__)
|
| 514 | # define YYSIZE_T __SIZE_TYPE__
|
| 515 | #endif
|
| 516 | #if ! defined (YYSIZE_T) && defined (size_t)
|
| 517 | # define YYSIZE_T size_t
|
| 518 | #endif
|
| 519 | #if ! defined (YYSIZE_T)
|
| 520 | # if defined (__STDC__) || defined (__cplusplus)
|
| 521 | # include <stddef.h> /* INFRINGES ON USER NAME SPACE */ |
| 522 | # define YYSIZE_T size_t
|
| 523 | # endif
|
| 524 | #endif
|
| 525 | #if ! defined (YYSIZE_T)
|
| 526 | # define YYSIZE_T unsigned int |
| 527 | #endif
|
| 528 | |
| 529 | #define yyerrok (yyerrstatus = 0) |
| 530 | #define yyclearin (yychar = YYEMPTY)
|
| 531 | #define YYEMPTY (-2) |
| 532 | #define YYEOF 0 |
| 533 | |
| 534 | #define YYACCEPT goto yyacceptlab |
| 535 | #define YYABORT goto yyabortlab |
| 536 | #define YYERROR goto yyerrlab1 |
| 537 | |
| 538 | |
| 539 | /* Like YYERROR except do call yyerror. This remains here temporarily
|
| 540 | to ease the transition to the new meaning of YYERROR, for GCC. |
| 541 | Once GCC version 2 has supplanted version 1, this can go. */ |
| 542 | |
| 543 | #define YYFAIL goto yyerrlab |
| 544 | |
| 545 | #define YYRECOVERING() (!!yyerrstatus)
|
| 546 | |
| 547 | #define YYBACKUP(Token, Value) \
|
| 548 | do \
|
| 549 | if (yychar == YYEMPTY && yylen == 1) \ |
| 550 | { \
|
| 551 | yychar = (Token); \ |
| 552 | yylval = (Value); \ |
| 553 | yytoken = YYTRANSLATE (yychar); \ |
| 554 | YYPOPSTACK; \ |
| 555 | goto yybackup; \
|
| 556 | } \ |
| 557 | else \
|
| 558 | { \
|
| 559 | yyerror ("syntax error: cannot back up");\
|
| 560 | YYERROR; \ |
| 561 | } \ |
| 562 | while (0) |
| 563 | |
| 564 | #define YYTERROR 1 |
| 565 | #define YYERRCODE 256 |
| 566 | |
| 567 | /* YYLLOC_DEFAULT -- Compute the default location (before the actions
|
| 568 | are run). */ |
| 569 | |
| 570 | #ifndef YYLLOC_DEFAULT
|
| 571 | # define YYLLOC_DEFAULT(Current, Rhs, N) \
|
| 572 | Current.first_line = Rhs[1].first_line; \
|
| 573 | Current.first_column = Rhs[1].first_column; \
|
| 574 | Current.last_line = Rhs[N].last_line; \ |
| 575 | Current.last_column = Rhs[N].last_column; |
| 576 | #endif
|
| 577 | |
| 578 | /* YYLEX -- calling `yylex' with the right arguments. */
|
| 579 | |
| 580 | #ifdef YYLEX_PARAM
|
| 581 | # define YYLEX yylex (&yylval, YYLEX_PARAM)
|
| 582 | #else
|
| 583 | # define YYLEX yylex (&yylval)
|
| 584 | #endif
|
| 585 | |
| 586 | /* Enable debugging if requested. */
|
| 587 | #if YYDEBUG
|
| 588 | |
| 589 | # ifndef YYFPRINTF
|
| 590 | # include <stdio.h> /* INFRINGES ON USER NAME SPACE */ |
| 591 | # define YYFPRINTF fprintf
|
| 592 | # endif
|
| 593 | |
| 594 | # define YYDPRINTF(Args) \
|
| 595 | do { \
|
| 596 | if (yydebug) \
|
| 597 | YYFPRINTF Args; \ |
| 598 | } while (0) |
| 599 | |
| 600 | # define YYDSYMPRINT(Args) \
|
| 601 | do { \
|
| 602 | if (yydebug) \
|
| 603 | yysymprint Args; \ |
| 604 | } while (0) |
| 605 | |
| 606 | # define YYDSYMPRINTF(Title, Token, Value, Location) \
|
| 607 | do { \
|
| 608 | if (yydebug) \
|
| 609 | { \
|
| 610 | YYFPRINTF (stderr, "%s ", Title); \
|
| 611 | yysymprint (stderr, \ |
| 612 | Token, Value); \ |
| 613 | YYFPRINTF (stderr, "\n"); \
|
| 614 | } \ |
| 615 | } while (0) |
| 616 | |
| 617 | /*------------------------------------------------------------------.
|
| 618 | | yy_stack_print -- Print the state stack from its BOTTOM up to its | |
| 619 | | TOP (cinluded). | |
| 620 | `------------------------------------------------------------------*/ |
| 621 | |
| 622 | #if defined (__STDC__) || defined (__cplusplus)
|
| 623 | static void |
| 624 | yy_stack_print (short *bottom, short *top) |
| 625 | #else
|
| 626 | static void |
| 627 | yy_stack_print (bottom, top) |
| 628 | short *bottom;
|
| 629 | short *top;
|
| 630 | #endif
|
| 631 | {
|
| 632 | YYFPRINTF (stderr, "Stack now");
|
| 633 | for (/* Nothing. */; bottom <= top; ++bottom) |
| 634 | YYFPRINTF (stderr, " %d", *bottom);
|
| 635 | YYFPRINTF (stderr, "\n");
|
| 636 | } |
| 637 | |
| 638 | # define YY_STACK_PRINT(Bottom, Top) \
|
| 639 | do { \
|
| 640 | if (yydebug) \
|
| 641 | yy_stack_print ((Bottom), (Top)); \ |
| 642 | } while (0) |
| 643 | |
| 644 | |
| 645 | /*------------------------------------------------.
|
| 646 | | Report that the YYRULE is going to be reduced. | |
| 647 | `------------------------------------------------*/ |
| 648 | |
| 649 | #if defined (__STDC__) || defined (__cplusplus)
|
| 650 | static void |
| 651 | yy_reduce_print (int yyrule)
|
| 652 | #else
|
| 653 | static void |
| 654 | yy_reduce_print (yyrule) |
| 655 | int yyrule;
|
| 656 | #endif
|
| 657 | {
|
| 658 | int yyi;
|
| 659 | unsigned int yylineno = yyrline[yyrule]; |
| 660 | YYFPRINTF (stderr, "Reducing stack by rule %d (line %u), ",
|
| 661 | yyrule - 1, yylineno);
|
| 662 | /* Print the symbols being reduced, and their result. */
|
| 663 | for (yyi = yyprhs[yyrule]; 0 <= yyrhs[yyi]; yyi++) |
| 664 | YYFPRINTF (stderr, "%s ", yytname [yyrhs[yyi]]);
|
| 665 | YYFPRINTF (stderr, "-> %s\n", yytname [yyr1[yyrule]]);
|
| 666 | } |
| 667 | |
| 668 | # define YY_REDUCE_PRINT(Rule) \
|
| 669 | do { \
|
| 670 | if (yydebug) \
|
| 671 | yy_reduce_print (Rule); \ |
| 672 | } while (0) |
| 673 | |
| 674 | /* Nonzero means print parse trace. It is left uninitialized so that
|
| 675 | multiple parsers can coexist. */ |
| 676 | int yydebug;
|
| 677 | #else /* !YYDEBUG */ |
| 678 | # define YYDPRINTF(Args)
|
| 679 | # define YYDSYMPRINT(Args)
|
| 680 | # define YYDSYMPRINTF(Title, Token, Value, Location)
|
| 681 | # define YY_STACK_PRINT(Bottom, Top)
|
| 682 | # define YY_REDUCE_PRINT(Rule)
|
| 683 | #endif /* !YYDEBUG */ |
| 684 | |
| 685 | |
| 686 | /* YYINITDEPTH -- initial size of the parser's stacks. */
|
| 687 | #ifndef YYINITDEPTH
|
| 688 | # define YYINITDEPTH 200 |
| 689 | #endif
|
| 690 | |
| 691 | /* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
|
| 692 | if the built-in stack extension method is used). |
| 693 | |
| 694 | Do not make this value too large; the results are undefined if |
| 695 | SIZE_MAX < YYSTACK_BYTES (YYMAXDEPTH) |
| 696 | evaluated with infinite-precision integer arithmetic. */ |
| 697 | |
| 698 | #if YYMAXDEPTH == 0 |
| 699 | # undef YYMAXDEPTH
|
| 700 | #endif
|
| 701 | |
| 702 | #ifndef YYMAXDEPTH
|
| 703 | # define YYMAXDEPTH 10000 |
| 704 | #endif
|
| 705 | |
| 706 | |
| 707 | |
| 708 | #if YYERROR_VERBOSE
|
| 709 | |
| 710 | # ifndef yystrlen
|
| 711 | # if defined (__GLIBC__) && defined (_STRING_H)
|
| 712 | # define yystrlen strlen
|
| 713 | # else
|
| 714 | /* Return the length of YYSTR. */
|
| 715 | static YYSIZE_T
|
| 716 | # if defined (__STDC__) || defined (__cplusplus)
|
| 717 | yystrlen (const char *yystr) |
| 718 | # else
|
| 719 | yystrlen (yystr) |
| 720 | const char *yystr; |
| 721 | # endif
|
| 722 | {
|
| 723 | register const char *yys = yystr; |
| 724 | |
| 725 | while (*yys++ != '\0') |
| 726 | continue;
|
| 727 | |
| 728 | return yys - yystr - 1; |
| 729 | } |
| 730 | # endif
|
| 731 | # endif
|
| 732 | |
| 733 | # ifndef yystpcpy
|
| 734 | # if defined (__GLIBC__) && defined (_STRING_H) && defined (_GNU_SOURCE)
|
| 735 | # define yystpcpy stpcpy
|
| 736 | # else
|
| 737 | /* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
|
| 738 | YYDEST. */ |
| 739 | static char * |
| 740 | # if defined (__STDC__) || defined (__cplusplus)
|
| 741 | yystpcpy (char *yydest, const char *yysrc) |
| 742 | # else
|
| 743 | yystpcpy (yydest, yysrc) |
| 744 | char *yydest;
|
| 745 | const char *yysrc; |
| 746 | # endif
|
| 747 | {
|
| 748 | register char *yyd = yydest; |
| 749 | register const char *yys = yysrc; |
| 750 | |
| 751 | while ((*yyd++ = *yys++) != '\0') |
| 752 | continue;
|
| 753 | |
| 754 | return yyd - 1; |
| 755 | } |
| 756 | # endif
|
| 757 | # endif
|
| 758 | |
| 759 | #endif /* !YYERROR_VERBOSE */ |
| 760 | |
| 761 | |
| 762 | |
| 763 | #if YYDEBUG
|
| 764 | /*--------------------------------.
|
| 765 | | Print this symbol on YYOUTPUT. | |
| 766 | `--------------------------------*/ |
| 767 | |
| 768 | #if defined (__STDC__) || defined (__cplusplus)
|
| 769 | static void |
| 770 | yysymprint (FILE *yyoutput, int yytype, YYSTYPE *yyvaluep)
|
| 771 | #else
|
| 772 | static void |
| 773 | yysymprint (yyoutput, yytype, yyvaluep) |
| 774 | FILE *yyoutput; |
| 775 | int yytype;
|
| 776 | YYSTYPE *yyvaluep; |
| 777 | #endif
|
| 778 | {
|
| 779 | /* Pacify ``unused variable'' warnings. */
|
| 780 | (void) yyvaluep;
|
| 781 | |
| 782 | if (yytype < YYNTOKENS)
|
| 783 | {
|
| 784 | YYFPRINTF (yyoutput, "token %s (", yytname[yytype]);
|
| 785 | # ifdef YYPRINT
|
| 786 | YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep); |
| 787 | # endif
|
| 788 | } |
| 789 | else
|
| 790 | YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]);
|
| 791 | |
| 792 | switch (yytype)
|
| 793 | {
|
| 794 | default:
|
| 795 | break;
|
| 796 | } |
| 797 | YYFPRINTF (yyoutput, ")");
|
| 798 | } |
| 799 | |
| 800 | #endif /* ! YYDEBUG */ |
| 801 | /*-----------------------------------------------.
|
| 802 | | Release the memory associated to this symbol. | |
| 803 | `-----------------------------------------------*/ |
| 804 | |
| 805 | #if defined (__STDC__) || defined (__cplusplus)
|
| 806 | static void |
| 807 | yydestruct (int yytype, YYSTYPE *yyvaluep)
|
| 808 | #else
|
| 809 | static void |
| 810 | yydestruct (yytype, yyvaluep) |
| 811 | int yytype;
|
| 812 | YYSTYPE *yyvaluep; |
| 813 | #endif
|
| 814 | {
|
| 815 | /* Pacify ``unused variable'' warnings. */
|
| 816 | (void) yyvaluep;
|
| 817 | |
| 818 | switch (yytype)
|
| 819 | {
|
| 820 | |
| 821 | default:
|
| 822 | break;
|
| 823 | } |
| 824 | } |
| 825 | |
| 826 | |
| 827 | /* Prevent warnings from -Wmissing-prototypes. */
|
| 828 | |
| 829 | #ifdef YYPARSE_PARAM
|
| 830 | # if defined (__STDC__) || defined (__cplusplus)
|
| 831 | int yyparse (void *YYPARSE_PARAM); |
| 832 | # else
|
| 833 | int yyparse ();
|
| 834 | # endif
|
| 835 | #else /* ! YYPARSE_PARAM */ |
| 836 | #if defined (__STDC__) || defined (__cplusplus)
|
| 837 | int yyparse (void); |
| 838 | #else
|
| 839 | int yyparse ();
|
| 840 | #endif
|
| 841 | #endif /* ! YYPARSE_PARAM */ |
| 842 | |
| 843 | |
| 844 | |
| 845 | |
| 846 | |
| 847 | |
| 848 | /*----------.
|
| 849 | | yyparse. | |
| 850 | `----------*/ |
| 851 | |
| 852 | #ifdef YYPARSE_PARAM
|
| 853 | # if defined (__STDC__) || defined (__cplusplus)
|
| 854 | int yyparse (void *YYPARSE_PARAM) |
| 855 | # else
|
| 856 | int yyparse (YYPARSE_PARAM)
|
| 857 | void *YYPARSE_PARAM;
|
| 858 | # endif
|
| 859 | #else /* ! YYPARSE_PARAM */ |
| 860 | #if defined (__STDC__) || defined (__cplusplus)
|
| 861 | int
|
| 862 | yyparse (void)
|
| 863 | #else
|
| 864 | int
|
| 865 | yyparse () |
| 866 | |
| 867 | #endif
|
| 868 | #endif
|
| 869 | {
|
| 870 | /* The lookahead symbol. */
|
| 871 | int yychar;
|
| 872 | |
| 873 | /* The semantic value of the lookahead symbol. */
|
| 874 | YYSTYPE yylval; |
| 875 | |
| 876 | /* Number of syntax errors so far. */
|
| 877 | int yynerrs;
|
| 878 | |
| 879 | register int yystate; |
| 880 | register int yyn; |
| 881 | int yyresult;
|
| 882 | /* Number of tokens to shift before error messages enabled. */
|
| 883 | int yyerrstatus;
|
| 884 | /* Lookahead token as an internal (translated) token number. */
|
| 885 | int yytoken = 0; |
| 886 | |
| 887 | /* Three stacks and their tools:
|
| 888 | `yyss': related to states, |
| 889 | `yyvs': related to semantic values, |
| 890 | `yyls': related to locations. |
| 891 | |
| 892 | Refer to the stacks thru separate pointers, to allow yyoverflow |
| 893 | to reallocate them elsewhere. */ |
| 894 | |
| 895 | /* The state stack. */
|
| 896 | short yyssa[YYINITDEPTH];
|
| 897 | short *yyss = yyssa;
|
| 898 | register short *yyssp; |
| 899 | |
| 900 | /* The semantic value stack. */
|
| 901 | YYSTYPE yyvsa[YYINITDEPTH]; |
| 902 | YYSTYPE *yyvs = yyvsa; |
| 903 | register YYSTYPE *yyvsp;
|
| 904 | |
| 905 | |
| 906 | |
| 907 | #define YYPOPSTACK (yyvsp--, yyssp--)
|
| 908 | |
| 909 | YYSIZE_T yystacksize = YYINITDEPTH; |
| 910 | |
| 911 | /* The variables used to return semantic value and location from the
|
| 912 | action routines. */ |
| 913 | YYSTYPE yyval; |
| 914 | |
| 915 | |
| 916 | /* When reducing, the number of symbols on the RHS of the reduced
|
| 917 | rule. */ |
| 918 | int yylen;
|
| 919 | |
| 920 | YYDPRINTF ((stderr, "Starting parse\n"));
|
| 921 | |
| 922 | yystate = 0;
|
| 923 | yyerrstatus = 0;
|
| 924 | yynerrs = 0;
|
| 925 | yychar = YYEMPTY; /* Cause a token to be read. */
|
| 926 | |
| 927 | /* Initialize stack pointers.
|
| 928 | Waste one element of value and location stack |
| 929 | so that they stay on the same level as the state stack. |
| 930 | The wasted elements are never initialized. */ |
| 931 | |
| 932 | yyssp = yyss; |
| 933 | yyvsp = yyvs; |
| 934 | |
| 935 | goto yysetstate;
|
| 936 | |
| 937 | /*------------------------------------------------------------.
|
| 938 | | yynewstate -- Push a new state, which is found in yystate. | |
| 939 | `------------------------------------------------------------*/ |
| 940 | yynewstate:
|
| 941 | /* In all cases, when you get here, the value and location stacks
|
| 942 | have just been pushed. so pushing a state here evens the stacks. |
| 943 | */ |
| 944 | yyssp++; |
| 945 | |
| 946 | yysetstate:
|
| 947 | *yyssp = yystate; |
| 948 | |
| 949 | if (yyss + yystacksize - 1 <= yyssp) |
| 950 | {
|
| 951 | /* Get the current used size of the three stacks, in elements. */
|
| 952 | YYSIZE_T yysize = yyssp - yyss + 1;
|
| 953 | |
| 954 | #ifdef yyoverflow
|
| 955 | {
|
| 956 | /* Give user a chance to reallocate the stack. Use copies of
|
| 957 | these so that the &'s don't force the real ones into |
| 958 | memory. */ |
| 959 | YYSTYPE *yyvs1 = yyvs; |
| 960 | short *yyss1 = yyss;
|
| 961 | |
| 962 | |
| 963 | /* Each stack pointer address is followed by the size of the
|
| 964 | data in use in that stack, in bytes. This used to be a |
| 965 | conditional around just the two extra args, but that might |
| 966 | be undefined if yyoverflow is a macro. */ |
| 967 | yyoverflow ("parser stack overflow",
|
| 968 | &yyss1, yysize * sizeof (*yyssp),
|
| 969 | &yyvs1, yysize * sizeof (*yyvsp),
|
| 970 | |
| 971 | &yystacksize); |
| 972 | |
| 973 | yyss = yyss1; |
| 974 | yyvs = yyvs1; |
| 975 | } |
| 976 | #else /* no yyoverflow */ |
| 977 | # ifndef YYSTACK_RELOCATE
|
| 978 | goto yyoverflowlab;
|
| 979 | # else
|
| 980 | /* Extend the stack our own way. */
|
| 981 | if (YYMAXDEPTH <= yystacksize)
|
| 982 | goto yyoverflowlab;
|
| 983 | yystacksize *= 2;
|
| 984 | if (YYMAXDEPTH < yystacksize)
|
| 985 | yystacksize = YYMAXDEPTH; |
| 986 | |
| 987 | {
|
| 988 | short *yyss1 = yyss;
|
| 989 | union yyalloc *yyptr =
|
| 990 | (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
|
| 991 | if (! yyptr)
|
| 992 | goto yyoverflowlab;
|
| 993 | YYSTACK_RELOCATE (yyss); |
| 994 | YYSTACK_RELOCATE (yyvs); |
| 995 | |
| 996 | # undef YYSTACK_RELOCATE
|
| 997 | if (yyss1 != yyssa)
|
| 998 | YYSTACK_FREE (yyss1); |
| 999 | } |
| 1000 | # endif
|
| 1001 | #endif /* no yyoverflow */ |
| 1002 | |
| 1003 | yyssp = yyss + yysize - 1;
|
| 1004 | yyvsp = yyvs + yysize - 1;
|
| 1005 | |
| 1006 | |
| 1007 | YYDPRINTF ((stderr, "Stack size increased to %lu\n",
|
| 1008 | (unsigned long int) yystacksize)); |
| 1009 | |
| 1010 | if (yyss + yystacksize - 1 <= yyssp) |
| 1011 | YYABORT; |
| 1012 | } |
| 1013 | |
| 1014 | YYDPRINTF ((stderr, "Entering state %d\n", yystate));
|
| 1015 | |
| 1016 | goto yybackup;
|
| 1017 | |
| 1018 | /*-----------.
|
| 1019 | | yybackup. | |
| 1020 | `-----------*/ |
| 1021 | yybackup:
|
| 1022 | |
| 1023 | /* Do appropriate processing given the current state. */
|
| 1024 | /* Read a lookahead token if we need one and don't already have one. */
|
| 1025 | /* yyresume: */
|
| 1026 | |
| 1027 | /* First try to decide what to do without reference to lookahead token. */
|
| 1028 | |
| 1029 | yyn = yypact[yystate]; |
| 1030 | if (yyn == YYPACT_NINF)
|
| 1031 | goto yydefault;
|
| 1032 | |
| 1033 | /* Not known => get a lookahead token if don't already have one. */
|
| 1034 | |
| 1035 | /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */
|
| 1036 | if (yychar == YYEMPTY)
|
| 1037 | {
|
| 1038 | YYDPRINTF ((stderr, "Reading a token: "));
|
| 1039 | yychar = YYLEX; |
| 1040 | } |
| 1041 | |
| 1042 | if (yychar <= YYEOF)
|
| 1043 | {
|
| 1044 | yychar = yytoken = YYEOF; |
| 1045 | YYDPRINTF ((stderr, "Now at end of input.\n"));
|
| 1046 | } |
| 1047 | else
|
| 1048 | {
|
| 1049 | yytoken = YYTRANSLATE (yychar); |
| 1050 | YYDSYMPRINTF ("Next token is", yytoken, &yylval, &yylloc);
|
| 1051 | } |
| 1052 | |
| 1053 | /* If the proper action on seeing token YYTOKEN is to reduce or to
|
| 1054 | detect an error, take that action. */ |
| 1055 | yyn += yytoken; |
| 1056 | if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken) |
| 1057 | goto yydefault;
|
| 1058 | yyn = yytable[yyn]; |
| 1059 | if (yyn <= 0) |
| 1060 | {
|
| 1061 | if (yyn == 0 || yyn == YYTABLE_NINF) |
| 1062 | goto yyerrlab;
|
| 1063 | yyn = -yyn; |
| 1064 | goto yyreduce;
|
| 1065 | } |
| 1066 | |
| 1067 | if (yyn == YYFINAL)
|
| 1068 | YYACCEPT; |
| 1069 | |
| 1070 | /* Shift the lookahead token. */
|
| 1071 | YYDPRINTF ((stderr, "Shifting token %s, ", yytname[yytoken]));
|
| 1072 | |
| 1073 | /* Discard the token being shifted unless it is eof. */
|
| 1074 | if (yychar != YYEOF)
|
| 1075 | yychar = YYEMPTY; |
| 1076 | |
| 1077 | *++yyvsp = yylval; |
| 1078 | |
| 1079 | |
| 1080 | /* Count tokens shifted since error; after three, turn off error
|
| 1081 | status. */ |
| 1082 | if (yyerrstatus)
|
| 1083 | yyerrstatus--; |
| 1084 | |
| 1085 | yystate = yyn; |
| 1086 | goto yynewstate;
|
| 1087 | |
| 1088 | |
| 1089 | /*-----------------------------------------------------------.
|
| 1090 | | yydefault -- do the default action for the current state. | |
| 1091 | `-----------------------------------------------------------*/ |
| 1092 | yydefault:
|
| 1093 | yyn = yydefact[yystate]; |
| 1094 | if (yyn == 0) |
| 1095 | goto yyerrlab;
|
| 1096 | goto yyreduce;
|
| 1097 | |
| 1098 | |
| 1099 | /*-----------------------------.
|
| 1100 | | yyreduce -- Do a reduction. | |
| 1101 | `-----------------------------*/ |
| 1102 | yyreduce:
|
| 1103 | /* yyn is the number of a rule to reduce with. */
|
| 1104 | yylen = yyr2[yyn]; |
| 1105 | |
| 1106 | /* If YYLEN is nonzero, implement the default value of the action:
|
| 1107 | `$$ = $1'. |
| 1108 | |
| 1109 | Otherwise, the following line sets YYVAL to garbage. |
| 1110 | This behavior is undocumented and Bison |
| 1111 | users should not rely upon it. Assigning to YYVAL |
| 1112 | unconditionally makes the parser a bit smaller, and it avoids a |
| 1113 | GCC warning that YYVAL may be used uninitialized. */ |
| 1114 | yyval = yyvsp[1-yylen];
|
| 1115 | |
| 1116 | |
| 1117 | YY_REDUCE_PRINT (yyn); |
| 1118 | switch (yyn)
|
| 1119 | {
|
| 1120 | case 2: |
| 1121 | #line 151 "plural.y" |
| 1122 | {
|
| 1123 | if (yyvsp[0].exp == NULL) |
| 1124 | YYABORT; |
| 1125 | ((struct parse_args *) arg)->res = yyvsp[0].exp; |
| 1126 | } |
| 1127 | break;
|
| 1128 | |
| 1129 | case 3: |
| 1130 | #line 159 "plural.y" |
| 1131 | {
|
| 1132 | yyval.exp = new_exp_3 (qmop, yyvsp[-4].exp, yyvsp[-2].exp, yyvsp[0].exp); |
| 1133 | } |
| 1134 | break;
|
| 1135 | |
| 1136 | case 4: |
| 1137 | #line 163 "plural.y" |
| 1138 | {
|
| 1139 | yyval.exp = new_exp_2 (lor, yyvsp[-2].exp, yyvsp[0].exp); |
| 1140 | } |
| 1141 | break;
|
| 1142 | |
| 1143 | case 5: |
| 1144 | #line 167 "plural.y" |
| 1145 | {
|
| 1146 | yyval.exp = new_exp_2 (land, yyvsp[-2].exp, yyvsp[0].exp); |
| 1147 | } |
| 1148 | break;
|
| 1149 | |
| 1150 | case 6: |
| 1151 | #line 171 "plural.y" |
| 1152 | {
|
| 1153 | yyval.exp = new_exp_2 (yyvsp[-1].op, yyvsp[-2].exp, yyvsp[0].exp); |
| 1154 | } |
| 1155 | break;
|
| 1156 | |
| 1157 | case 7: |
| 1158 | #line 175 "plural.y" |
| 1159 | {
|
| 1160 | yyval.exp = new_exp_2 (yyvsp[-1].op, yyvsp[-2].exp, yyvsp[0].exp); |
| 1161 | } |
| 1162 | break;
|
| 1163 | |
| 1164 | case 8: |
| 1165 | #line 179 "plural.y" |
| 1166 | {
|
| 1167 | yyval.exp = new_exp_2 (yyvsp[-1].op, yyvsp[-2].exp, yyvsp[0].exp); |
| 1168 | } |
| 1169 | break;
|
| 1170 | |
| 1171 | case 9: |
| 1172 | #line 183 "plural.y" |
| 1173 | {
|
| 1174 | yyval.exp = new_exp_2 (yyvsp[-1].op, yyvsp[-2].exp, yyvsp[0].exp); |
| 1175 | } |
| 1176 | break;
|
| 1177 | |
| 1178 | case 10: |
| 1179 | #line 187 "plural.y" |
| 1180 | {
|
| 1181 | yyval.exp = new_exp_1 (lnot, yyvsp[0].exp);
|
| 1182 | } |
| 1183 | break;
|
| 1184 | |
| 1185 | case 11: |
| 1186 | #line 191 "plural.y" |
| 1187 | {
|
| 1188 | yyval.exp = new_exp_0 (var); |
| 1189 | } |
| 1190 | break;
|
| 1191 | |
| 1192 | case 12: |
| 1193 | #line 195 "plural.y" |
| 1194 | {
|
| 1195 | if ((yyval.exp = new_exp_0 (num)) != NULL) |
| 1196 | yyval.exp->val.num = yyvsp[0].num;
|
| 1197 | } |
| 1198 | break;
|
| 1199 | |
| 1200 | case 13: |
| 1201 | #line 200 "plural.y" |
| 1202 | {
|
| 1203 | yyval.exp = yyvsp[-1].exp;
|
| 1204 | } |
| 1205 | break;
|
| 1206 | |
| 1207 | |
| 1208 | } |
| 1209 | |
| 1210 | /* Line 999 of yacc.c. */
|
| 1211 | #line 1212 "plural.c" |
| 1212 | |
| 1213 | yyvsp -= yylen; |
| 1214 | yyssp -= yylen; |
| 1215 | |
| 1216 | |
| 1217 | YY_STACK_PRINT (yyss, yyssp); |
| 1218 | |
| 1219 | *++yyvsp = yyval; |
| 1220 | |
| 1221 | |
| 1222 | /* Now `shift' the result of the reduction. Determine what state
|
| 1223 | that goes to, based on the state we popped back to and the rule |
| 1224 | number reduced by. */ |
| 1225 | |
| 1226 | yyn = yyr1[yyn]; |
| 1227 | |
| 1228 | yystate = yypgoto[yyn - YYNTOKENS] + *yyssp; |
| 1229 | if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp) |
| 1230 | yystate = yytable[yystate]; |
| 1231 | else
|
| 1232 | yystate = yydefgoto[yyn - YYNTOKENS]; |
| 1233 | |
| 1234 | goto yynewstate;
|
| 1235 | |
| 1236 | |
| 1237 | /*------------------------------------.
|
| 1238 | | yyerrlab -- here on detecting error | |
| 1239 | `------------------------------------*/ |
| 1240 | yyerrlab:
|
| 1241 | /* If not already recovering from an error, report this error. */
|
| 1242 | if (!yyerrstatus)
|
| 1243 | {
|
| 1244 | ++yynerrs; |
| 1245 | #if YYERROR_VERBOSE
|
| 1246 | yyn = yypact[yystate]; |
| 1247 | |
| 1248 | if (YYPACT_NINF < yyn && yyn < YYLAST)
|
| 1249 | {
|
| 1250 | YYSIZE_T yysize = 0;
|
| 1251 | int yytype = YYTRANSLATE (yychar);
|
| 1252 | char *yymsg;
|
| 1253 | int yyx, yycount;
|
| 1254 | |
| 1255 | yycount = 0;
|
| 1256 | /* Start YYX at -YYN if negative to avoid negative indexes in
|
| 1257 | YYCHECK. */ |
| 1258 | for (yyx = yyn < 0 ? -yyn : 0; |
| 1259 | yyx < (int) (sizeof (yytname) / sizeof (char *)); yyx++) |
| 1260 | if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
|
| 1261 | yysize += yystrlen (yytname[yyx]) + 15, yycount++;
|
| 1262 | yysize += yystrlen ("syntax error, unexpected ") + 1; |
| 1263 | yysize += yystrlen (yytname[yytype]); |
| 1264 | yymsg = (char *) YYSTACK_ALLOC (yysize);
|
| 1265 | if (yymsg != 0) |
| 1266 | {
|
| 1267 | char *yyp = yystpcpy (yymsg, "syntax error, unexpected "); |
| 1268 | yyp = yystpcpy (yyp, yytname[yytype]); |
| 1269 | |
| 1270 | if (yycount < 5) |
| 1271 | {
|
| 1272 | yycount = 0;
|
| 1273 | for (yyx = yyn < 0 ? -yyn : 0; |
| 1274 | yyx < (int) (sizeof (yytname) / sizeof (char *)); |
| 1275 | yyx++) |
| 1276 | if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
|
| 1277 | {
|
| 1278 | const char *yyq = ! yycount ? ", expecting " : " or "; |
| 1279 | yyp = yystpcpy (yyp, yyq); |
| 1280 | yyp = yystpcpy (yyp, yytname[yyx]); |
| 1281 | yycount++; |
| 1282 | } |
| 1283 | } |
| 1284 | yyerror (yymsg); |
| 1285 | YYSTACK_FREE (yymsg); |
| 1286 | } |
| 1287 | else
|
| 1288 | yyerror ("syntax error; also virtual memory exhausted");
|
| 1289 | } |
| 1290 | else
|
| 1291 | #endif /* YYERROR_VERBOSE */ |
| 1292 | yyerror ("syntax error");
|
| 1293 | } |
| 1294 | |
| 1295 | |
| 1296 | |
| 1297 | if (yyerrstatus == 3) |
| 1298 | {
|
| 1299 | /* If just tried and failed to reuse lookahead token after an
|
| 1300 | error, discard it. */ |
| 1301 | |
| 1302 | /* Return failure if at end of input. */
|
| 1303 | if (yychar == YYEOF)
|
| 1304 | {
|
| 1305 | /* Pop the error token. */
|
| 1306 | YYPOPSTACK; |
| 1307 | /* Pop the rest of the stack. */
|
| 1308 | while (yyss < yyssp)
|
| 1309 | {
|
| 1310 | YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp);
|
| 1311 | yydestruct (yystos[*yyssp], yyvsp); |
| 1312 | YYPOPSTACK; |
| 1313 | } |
| 1314 | YYABORT; |
| 1315 | } |
| 1316 | |
| 1317 | YYDSYMPRINTF ("Error: discarding", yytoken, &yylval, &yylloc);
|
| 1318 | yydestruct (yytoken, &yylval); |
| 1319 | yychar = YYEMPTY; |
| 1320 | |
| 1321 | } |
| 1322 | |
| 1323 | /* Else will try to reuse lookahead token after shifting the error
|
| 1324 | token. */ |
| 1325 | goto yyerrlab1;
|
| 1326 | |
| 1327 | |
| 1328 | /*----------------------------------------------------.
|
| 1329 | | yyerrlab1 -- error raised explicitly by an action. | |
| 1330 | `----------------------------------------------------*/ |
| 1331 | yyerrlab1:
|
| 1332 | yyerrstatus = 3; /* Each real token shifted decrements this. */ |
| 1333 | |
| 1334 | for (;;)
|
| 1335 | {
|
| 1336 | yyn = yypact[yystate]; |
| 1337 | if (yyn != YYPACT_NINF)
|
| 1338 | {
|
| 1339 | yyn += YYTERROR; |
| 1340 | if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR) |
| 1341 | {
|
| 1342 | yyn = yytable[yyn]; |
| 1343 | if (0 < yyn) |
| 1344 | break;
|
| 1345 | } |
| 1346 | } |
| 1347 | |
| 1348 | /* Pop the current state because it cannot handle the error token. */
|
| 1349 | if (yyssp == yyss)
|
| 1350 | YYABORT; |
| 1351 | |
| 1352 | YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp);
|
| 1353 | yydestruct (yystos[yystate], yyvsp); |
| 1354 | yyvsp--; |
| 1355 | yystate = *--yyssp; |
| 1356 | |
| 1357 | YY_STACK_PRINT (yyss, yyssp); |
| 1358 | } |
| 1359 | |
| 1360 | if (yyn == YYFINAL)
|
| 1361 | YYACCEPT; |
| 1362 | |
| 1363 | YYDPRINTF ((stderr, "Shifting error token, "));
|
| 1364 | |
| 1365 | *++yyvsp = yylval; |
| 1366 | |
| 1367 | |
| 1368 | yystate = yyn; |
| 1369 | goto yynewstate;
|
| 1370 | |
| 1371 | |
| 1372 | /*-------------------------------------.
|
| 1373 | | yyacceptlab -- YYACCEPT comes here. | |
| 1374 | `-------------------------------------*/ |
| 1375 | yyacceptlab:
|
| 1376 | yyresult = 0;
|
| 1377 | goto yyreturn;
|
| 1378 | |
| 1379 | /*-----------------------------------.
|
| 1380 | | yyabortlab -- YYABORT comes here. | |
| 1381 | `-----------------------------------*/ |
| 1382 | yyabortlab:
|
| 1383 | yyresult = 1;
|
| 1384 | goto yyreturn;
|
| 1385 | |
| 1386 | #ifndef yyoverflow
|
| 1387 | /*----------------------------------------------.
|
| 1388 | | yyoverflowlab -- parser overflow comes here. | |
| 1389 | `----------------------------------------------*/ |
| 1390 | yyoverflowlab:
|
| 1391 | yyerror ("parser stack overflow");
|
| 1392 | yyresult = 2;
|
| 1393 | /* Fall through. */
|
| 1394 | #endif
|
| 1395 | |
| 1396 | yyreturn:
|
| 1397 | #ifndef yyoverflow
|
| 1398 | if (yyss != yyssa)
|
| 1399 | YYSTACK_FREE (yyss); |
| 1400 | #endif
|
| 1401 | return yyresult;
|
| 1402 | } |
| 1403 | |
| 1404 | |
| 1405 | #line 205 "plural.y" |
| 1406 | |
| 1407 | |
| 1408 | void
|
| 1409 | internal_function |
| 1410 | FREE_EXPRESSION (struct expression *exp)
|
| 1411 | {
|
| 1412 | if (exp == NULL) |
| 1413 | return;
|
| 1414 | |
| 1415 | /* Handle the recursive case. */
|
| 1416 | switch (exp->nargs)
|
| 1417 | {
|
| 1418 | case 3: |
| 1419 | FREE_EXPRESSION (exp->val.args[2]);
|
| 1420 | /* FALLTHROUGH */
|
| 1421 | case 2: |
| 1422 | FREE_EXPRESSION (exp->val.args[1]);
|
| 1423 | /* FALLTHROUGH */
|
| 1424 | case 1: |
| 1425 | FREE_EXPRESSION (exp->val.args[0]);
|
| 1426 | /* FALLTHROUGH */
|
| 1427 | default:
|
| 1428 | break;
|
| 1429 | } |
| 1430 | |
| 1431 | free (exp); |
| 1432 | } |
| 1433 | |
| 1434 | |
| 1435 | static int |
| 1436 | yylex (YYSTYPE *lval, const char **pexp) |
| 1437 | {
|
| 1438 | const char *exp = *pexp; |
| 1439 | int result;
|
| 1440 | |
| 1441 | while (1) |
| 1442 | {
|
| 1443 | if (exp[0] == '\0') |
| 1444 | {
|
| 1445 | *pexp = exp; |
| 1446 | return YYEOF;
|
| 1447 | } |
| 1448 | |
| 1449 | if (exp[0] != ' ' && exp[0] != '\t') |
| 1450 | break;
|
| 1451 | |
| 1452 | ++exp; |
| 1453 | } |
| 1454 | |
| 1455 | result = *exp++; |
| 1456 | switch (result)
|
| 1457 | {
|
| 1458 | case '0': case '1': case '2': case '3': case '4': |
| 1459 | case '5': case '6': case '7': case '8': case '9': |
| 1460 | {
|
| 1461 | unsigned long int n = result - '0'; |
| 1462 | while (exp[0] >= '0' && exp[0] <= '9') |
| 1463 | {
|
| 1464 | n *= 10;
|
| 1465 | n += exp[0] - '0'; |
| 1466 | ++exp; |
| 1467 | } |
| 1468 | lval->num = n; |
| 1469 | result = NUMBER; |
| 1470 | } |
| 1471 | break;
|
| 1472 | |
| 1473 | case '=': |
| 1474 | if (exp[0] == '=') |
| 1475 | {
|
| 1476 | ++exp; |
| 1477 | lval->op = equal; |
| 1478 | result = EQUOP2; |
| 1479 | } |
| 1480 | else
|
| 1481 | result = YYERRCODE; |
| 1482 | break;
|
| 1483 | |
| 1484 | case '!': |
| 1485 | if (exp[0] == '=') |
| 1486 | {
|
| 1487 | ++exp; |
| 1488 | lval->op = not_equal; |
| 1489 | result = EQUOP2; |
| 1490 | } |
| 1491 | break;
|
| 1492 | |
| 1493 | case '&': |
| 1494 | case '|': |
| 1495 | if (exp[0] == result) |
| 1496 | ++exp; |
| 1497 | else
|
| 1498 | result = YYERRCODE; |
| 1499 | break;
|
| 1500 | |
| 1501 | case '<': |
| 1502 | if (exp[0] == '=') |
| 1503 | {
|
| 1504 | ++exp; |
| 1505 | lval->op = less_or_equal; |
| 1506 | } |
| 1507 | else
|
| 1508 | lval->op = less_than; |
| 1509 | result = CMPOP2; |
| 1510 | break;
|
| 1511 | |
| 1512 | case '>': |
| 1513 | if (exp[0] == '=') |
| 1514 | {
|
| 1515 | ++exp; |
| 1516 | lval->op = greater_or_equal; |
| 1517 | } |
| 1518 | else
|
| 1519 | lval->op = greater_than; |
| 1520 | result = CMPOP2; |
| 1521 | break;
|
| 1522 | |
| 1523 | case '*': |
| 1524 | lval->op = mult; |
| 1525 | result = MULOP2; |
| 1526 | break;
|
| 1527 | |
| 1528 | case '/': |
| 1529 | lval->op = divide; |
| 1530 | result = MULOP2; |
| 1531 | break;
|
| 1532 | |
| 1533 | case '%': |
| 1534 | lval->op = module; |
| 1535 | result = MULOP2; |
| 1536 | break;
|
| 1537 | |
| 1538 | case '+': |
| 1539 | lval->op = plus; |
| 1540 | result = ADDOP2; |
| 1541 | break;
|
| 1542 | |
| 1543 | case '-': |
| 1544 | lval->op = minus; |
| 1545 | result = ADDOP2; |
| 1546 | break;
|
| 1547 | |
| 1548 | case 'n': |
| 1549 | case '?': |
| 1550 | case ':': |
| 1551 | case '(': |
| 1552 | case ')': |
| 1553 | /* Nothing, just return the character. */
|
| 1554 | break;
|
| 1555 | |
| 1556 | case ';': |
| 1557 | case '\n': |
| 1558 | case '\0': |
| 1559 | /* Be safe and let the user call this function again. */
|
| 1560 | --exp; |
| 1561 | result = YYEOF; |
| 1562 | break;
|
| 1563 | |
| 1564 | default:
|
| 1565 | result = YYERRCODE; |
| 1566 | #if YYDEBUG != 0 |
| 1567 | --exp; |
| 1568 | #endif
|
| 1569 | break;
|
| 1570 | } |
| 1571 | |
| 1572 | *pexp = exp; |
| 1573 | |
| 1574 | return result;
|
| 1575 | } |
| 1576 | |
| 1577 | |
| 1578 | static void |
| 1579 | yyerror (const char *str) |
| 1580 | {
|
| 1581 | /* Do nothing. We don't print error messages here. */
|
| 1582 | } |
| 1583 |