1 /* original parser id follows */ 2 /* yysccsid[] = "@(#)yaccpar 1.9 (Berkeley) 02/21/93" */ 3 /* (use YYMAJOR/YYMINOR for ifdefs dependent on parser version) */ 4 5 #define YYBYACC 1 6 #define YYMAJOR 1 7 #define YYMINOR 9 8 #define YYCHECK "yyyymmdd" 9 10 #define YYEMPTY (-1) 11 #define yyclearin (yychar = YYEMPTY) 12 #define yyerrok (yyerrflag = 0) 13 #define YYRECOVERING() (yyerrflag != 0) 14 #define YYENOMEM (-2) 15 #define YYEOF 0 16 17 #ifndef yyparse 18 #define yyparse err_syntax10_parse 19 #endif /* yyparse */ 20 21 #ifndef yylex 22 #define yylex err_syntax10_lex 23 #endif /* yylex */ 24 25 #ifndef yyerror 26 #define yyerror err_syntax10_error 27 #endif /* yyerror */ 28 29 #ifndef yychar 30 #define yychar err_syntax10_char 31 #endif /* yychar */ 32 33 #ifndef yyval 34 #define yyval err_syntax10_val 35 #endif /* yyval */ 36 37 #ifndef yylval 38 #define yylval err_syntax10_lval 39 #endif /* yylval */ 40 41 #ifndef yydebug 42 #define yydebug err_syntax10_debug 43 #endif /* yydebug */ 44 45 #ifndef yynerrs 46 #define yynerrs err_syntax10_nerrs 47 #endif /* yynerrs */ 48 49 #ifndef yyerrflag 50 #define yyerrflag err_syntax10_errflag 51 #endif /* yyerrflag */ 52 53 #ifndef yylhs 54 #define yylhs err_syntax10_lhs 55 #endif /* yylhs */ 56 57 #ifndef yylen 58 #define yylen err_syntax10_len 59 #endif /* yylen */ 60 61 #ifndef yydefred 62 #define yydefred err_syntax10_defred 63 #endif /* yydefred */ 64 65 #ifndef yydgoto 66 #define yydgoto err_syntax10_dgoto 67 #endif /* yydgoto */ 68 69 #ifndef yysindex 70 #define yysindex err_syntax10_sindex 71 #endif /* yysindex */ 72 73 #ifndef yyrindex 74 #define yyrindex err_syntax10_rindex 75 #endif /* yyrindex */ 76 77 #ifndef yygindex 78 #define yygindex err_syntax10_gindex 79 #endif /* yygindex */ 80 81 #ifndef yytable 82 #define yytable err_syntax10_table 83 #endif /* yytable */ 84 85 #ifndef yycheck 86 #define yycheck err_syntax10_check 87 #endif /* yycheck */ 88 89 #ifndef yyname 90 #define yyname err_syntax10_name 91 #endif /* yyname */ 92 93 #ifndef yyrule 94 #define yyrule err_syntax10_rule 95 #endif /* yyrule */ 96 #define YYPREFIX "err_syntax10_" 97 98 #define YYPURE 0 99 100 #line 2 "err_syntax10.y" 101 int yylex(void); 102 static void yyerror(const char *); 103 #line 104 "err_syntax10.tab.c" 104 105 /* compatibility with bison */ 106 #ifdef YYPARSE_PARAM 107 /* compatibility with FreeBSD */ 108 # ifdef YYPARSE_PARAM_TYPE 109 # define YYPARSE_DECL() yyparse(YYPARSE_PARAM_TYPE YYPARSE_PARAM) 110 # else 111 # define YYPARSE_DECL() yyparse(void *YYPARSE_PARAM) 112 # endif 113 #else 114 # define YYPARSE_DECL() yyparse(void) 115 #endif 116 117 /* Parameters sent to lex. */ 118 #ifdef YYLEX_PARAM 119 # define YYLEX_DECL() yylex(void *YYLEX_PARAM) 120 # define YYLEX yylex(YYLEX_PARAM) 121 #else 122 # define YYLEX_DECL() yylex(void) 123 # define YYLEX yylex() 124 #endif 125 126 /* Parameters sent to yyerror. */ 127 #ifndef YYERROR_DECL 128 #define YYERROR_DECL() yyerror(const char *s) 129 #endif 130 #ifndef YYERROR_CALL 131 #define YYERROR_CALL(msg) yyerror(msg) 132 #endif 133 134 extern int YYPARSE_DECL(); 135 136 #define YYERRCODE 256 137 typedef int YYINT; 138 static const YYINT err_syntax10_lhs[] = { -1, 139 0, 140 }; 141 static const YYINT err_syntax10_len[] = { 2, 142 1, 143 }; 144 static const YYINT err_syntax10_defred[] = { 0, 145 1, 0, 146 }; 147 static const YYINT err_syntax10_dgoto[] = { 2, 148 }; 149 static const YYINT err_syntax10_sindex[] = { -256, 150 0, 0, 151 }; 152 static const YYINT err_syntax10_rindex[] = { 0, 153 0, 0, 154 }; 155 static const YYINT err_syntax10_gindex[] = { 0, 156 }; 157 #define YYTABLESIZE 0 158 static const YYINT err_syntax10_table[] = { 1, 159 }; 160 static const YYINT err_syntax10_check[] = { 256, 161 }; 162 #define YYFINAL 2 163 #ifndef YYDEBUG 164 #define YYDEBUG 0 165 #endif 166 #define YYMAXTOKEN 256 167 #define YYUNDFTOKEN 259 168 #define YYTRANSLATE(a) ((a) > YYMAXTOKEN ? YYUNDFTOKEN : (a)) 169 #if YYDEBUG 170 static const char *const err_syntax10_name[] = { 171 172 "end-of-file",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 173 0,0,0,0,"'&'",0,"'('",0,"'*'",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 174 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 175 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 176 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 177 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 178 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"illegal-symbol", 179 }; 180 static const char *const err_syntax10_rule[] = { 181 "$accept : S", 182 "S : error", 183 184 }; 185 #endif 186 187 int yydebug; 188 int yynerrs; 189 190 int yyerrflag; 191 int yychar; 192 YYSTYPE yyval; 193 YYSTYPE yylval; 194 195 /* define the initial stack-sizes */ 196 #ifdef YYSTACKSIZE 197 #undef YYMAXDEPTH 198 #define YYMAXDEPTH YYSTACKSIZE 199 #else 200 #ifdef YYMAXDEPTH 201 #define YYSTACKSIZE YYMAXDEPTH 202 #else 203 #define YYSTACKSIZE 10000 204 #define YYMAXDEPTH 10000 205 #endif 206 #endif 207 208 #define YYINITSTACKSIZE 200 209 210 typedef struct { 211 unsigned stacksize; 212 YYINT *s_base; 213 YYINT *s_mark; 214 YYINT *s_last; 215 YYSTYPE *l_base; 216 YYSTYPE *l_mark; 217 } YYSTACKDATA; 218 /* variables for the parser stack */ 219 static YYSTACKDATA yystack; 220 #line 12 "err_syntax10.y" 221 222 #include <stdio.h> 223 224 int 225 main(void) 226 { 227 printf("yyparse() = %d\n", yyparse()); 228 return 0; 229 } 230 231 int 232 yylex(void) 233 { 234 return -1; 235 } 236 237 static void 238 yyerror(const char* s) 239 { 240 printf("%s\n", s); 241 } 242 #line 243 "err_syntax10.tab.c" 243 244 #if YYDEBUG 245 #include <stdio.h> /* needed for printf */ 246 #endif 247 248 #include <stdlib.h> /* needed for malloc, etc */ 249 #include <string.h> /* needed for memset */ 250 251 /* allocate initial stack or double stack size, up to YYMAXDEPTH */ 252 static int yygrowstack(YYSTACKDATA *data) 253 { 254 int i; 255 unsigned newsize; 256 YYINT *newss; 257 YYSTYPE *newvs; 258 259 if ((newsize = data->stacksize) == 0) 260 newsize = YYINITSTACKSIZE; 261 else if (newsize >= YYMAXDEPTH) 262 return YYENOMEM; 263 else if ((newsize *= 2) > YYMAXDEPTH) 264 newsize = YYMAXDEPTH; 265 266 i = (int) (data->s_mark - data->s_base); 267 newss = (YYINT *)realloc(data->s_base, newsize * sizeof(*newss)); 268 if (newss == 0) 269 return YYENOMEM; 270 271 data->s_base = newss; 272 data->s_mark = newss + i; 273 274 newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs)); 275 if (newvs == 0) 276 return YYENOMEM; 277 278 data->l_base = newvs; 279 data->l_mark = newvs + i; 280 281 data->stacksize = newsize; 282 data->s_last = data->s_base + newsize - 1; 283 return 0; 284 } 285 286 #if YYPURE || defined(YY_NO_LEAKS) 287 static void yyfreestack(YYSTACKDATA *data) 288 { 289 free(data->s_base); 290 free(data->l_base); 291 memset(data, 0, sizeof(*data)); 292 } 293 #else 294 #define yyfreestack(data) /* nothing */ 295 #endif 296 297 #define YYABORT goto yyabort 298 #define YYREJECT goto yyabort 299 #define YYACCEPT goto yyaccept 300 #define YYERROR goto yyerrlab 301 302 int 303 YYPARSE_DECL() 304 { 305 int yym, yyn, yystate; 306 #if YYDEBUG 307 const char *yys; 308 309 if ((yys = getenv("YYDEBUG")) != 0) 310 { 311 yyn = *yys; 312 if (yyn >= '0' && yyn <= '9') 313 yydebug = yyn - '0'; 314 } 315 #endif 316 317 yym = 0; 318 yyn = 0; 319 yynerrs = 0; 320 yyerrflag = 0; 321 yychar = YYEMPTY; 322 yystate = 0; 323 324 #if YYPURE 325 memset(&yystack, 0, sizeof(yystack)); 326 #endif 327 328 if (yystack.s_base == NULL && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow; 329 yystack.s_mark = yystack.s_base; 330 yystack.l_mark = yystack.l_base; 331 yystate = 0; 332 *yystack.s_mark = 0; 333 334 yyloop: 335 if ((yyn = yydefred[yystate]) != 0) goto yyreduce; 336 if (yychar < 0) 337 { 338 yychar = YYLEX; 339 if (yychar < 0) yychar = YYEOF; 340 #if YYDEBUG 341 if (yydebug) 342 { 343 if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN]; 344 printf("%sdebug: state %d, reading %d (%s)\n", 345 YYPREFIX, yystate, yychar, yys); 346 } 347 #endif 348 } 349 if (((yyn = yysindex[yystate]) != 0) && (yyn += yychar) >= 0 && 350 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar) 351 { 352 #if YYDEBUG 353 if (yydebug) 354 printf("%sdebug: state %d, shifting to state %d\n", 355 YYPREFIX, yystate, yytable[yyn]); 356 #endif 357 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow; 358 yystate = yytable[yyn]; 359 *++yystack.s_mark = yytable[yyn]; 360 *++yystack.l_mark = yylval; 361 yychar = YYEMPTY; 362 if (yyerrflag > 0) --yyerrflag; 363 goto yyloop; 364 } 365 if (((yyn = yyrindex[yystate]) != 0) && (yyn += yychar) >= 0 && 366 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar) 367 { 368 yyn = yytable[yyn]; 369 goto yyreduce; 370 } 371 if (yyerrflag != 0) goto yyinrecovery; 372 373 YYERROR_CALL("syntax error"); 374 375 goto yyerrlab; /* redundant goto avoids 'unused label' warning */ 376 yyerrlab: 377 ++yynerrs; 378 379 yyinrecovery: 380 if (yyerrflag < 3) 381 { 382 yyerrflag = 3; 383 for (;;) 384 { 385 if (((yyn = yysindex[*yystack.s_mark]) != 0) && (yyn += YYERRCODE) >= 0 && 386 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) YYERRCODE) 387 { 388 #if YYDEBUG 389 if (yydebug) 390 printf("%sdebug: state %d, error recovery shifting\ 391 to state %d\n", YYPREFIX, *yystack.s_mark, yytable[yyn]); 392 #endif 393 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow; 394 yystate = yytable[yyn]; 395 *++yystack.s_mark = yytable[yyn]; 396 *++yystack.l_mark = yylval; 397 goto yyloop; 398 } 399 else 400 { 401 #if YYDEBUG 402 if (yydebug) 403 printf("%sdebug: error recovery discarding state %d\n", 404 YYPREFIX, *yystack.s_mark); 405 #endif 406 if (yystack.s_mark <= yystack.s_base) goto yyabort; 407 --yystack.s_mark; 408 --yystack.l_mark; 409 } 410 } 411 } 412 else 413 { 414 if (yychar == YYEOF) goto yyabort; 415 #if YYDEBUG 416 if (yydebug) 417 { 418 if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN]; 419 printf("%sdebug: state %d, error recovery discards token %d (%s)\n", 420 YYPREFIX, yystate, yychar, yys); 421 } 422 #endif 423 yychar = YYEMPTY; 424 goto yyloop; 425 } 426 427 yyreduce: 428 #if YYDEBUG 429 if (yydebug) 430 printf("%sdebug: state %d, reducing by rule %d (%s)\n", 431 YYPREFIX, yystate, yyn, yyrule[yyn]); 432 #endif 433 yym = yylen[yyn]; 434 if (yym > 0) 435 yyval = yystack.l_mark[1-yym]; 436 else 437 memset(&yyval, 0, sizeof yyval); 438 439 switch (yyn) 440 { 441 } 442 yystack.s_mark -= yym; 443 yystate = *yystack.s_mark; 444 yystack.l_mark -= yym; 445 yym = yylhs[yyn]; 446 if (yystate == 0 && yym == 0) 447 { 448 #if YYDEBUG 449 if (yydebug) 450 printf("%sdebug: after reduction, shifting from state 0 to\ 451 state %d\n", YYPREFIX, YYFINAL); 452 #endif 453 yystate = YYFINAL; 454 *++yystack.s_mark = YYFINAL; 455 *++yystack.l_mark = yyval; 456 if (yychar < 0) 457 { 458 yychar = YYLEX; 459 if (yychar < 0) yychar = YYEOF; 460 #if YYDEBUG 461 if (yydebug) 462 { 463 if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN]; 464 printf("%sdebug: state %d, reading %d (%s)\n", 465 YYPREFIX, YYFINAL, yychar, yys); 466 } 467 #endif 468 } 469 if (yychar == YYEOF) goto yyaccept; 470 goto yyloop; 471 } 472 if (((yyn = yygindex[yym]) != 0) && (yyn += yystate) >= 0 && 473 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yystate) 474 yystate = yytable[yyn]; 475 else 476 yystate = yydgoto[yym]; 477 #if YYDEBUG 478 if (yydebug) 479 printf("%sdebug: after reduction, shifting from state %d \ 480 to state %d\n", YYPREFIX, *yystack.s_mark, yystate); 481 #endif 482 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow; 483 *++yystack.s_mark = (YYINT) yystate; 484 *++yystack.l_mark = yyval; 485 goto yyloop; 486 487 yyoverflow: 488 YYERROR_CALL("yacc stack overflow"); 489 490 yyabort: 491 yyfreestack(&yystack); 492 return (1); 493 494 yyaccept: 495 yyfreestack(&yystack); 496 return (0); 497 } 498