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 #undef YYBTYACC 17 #define YYBTYACC 0 18 #define YYDEBUGSTR YYPREFIX "debug" 19 20 #ifndef yyparse 21 #define yyparse calc3_parse 22 #endif /* yyparse */ 23 24 #ifndef yylex 25 #define yylex calc3_lex 26 #endif /* yylex */ 27 28 #ifndef yyerror 29 #define yyerror calc3_error 30 #endif /* yyerror */ 31 32 #ifndef yychar 33 #define yychar calc3_char 34 #endif /* yychar */ 35 36 #ifndef yyval 37 #define yyval calc3_val 38 #endif /* yyval */ 39 40 #ifndef yylval 41 #define yylval calc3_lval 42 #endif /* yylval */ 43 44 #ifndef yydebug 45 #define yydebug calc3_debug 46 #endif /* yydebug */ 47 48 #ifndef yynerrs 49 #define yynerrs calc3_nerrs 50 #endif /* yynerrs */ 51 52 #ifndef yyerrflag 53 #define yyerrflag calc3_errflag 54 #endif /* yyerrflag */ 55 56 #ifndef yylhs 57 #define yylhs calc3_lhs 58 #endif /* yylhs */ 59 60 #ifndef yylen 61 #define yylen calc3_len 62 #endif /* yylen */ 63 64 #ifndef yydefred 65 #define yydefred calc3_defred 66 #endif /* yydefred */ 67 68 #ifndef yystos 69 #define yystos calc3_stos 70 #endif /* yystos */ 71 72 #ifndef yydgoto 73 #define yydgoto calc3_dgoto 74 #endif /* yydgoto */ 75 76 #ifndef yysindex 77 #define yysindex calc3_sindex 78 #endif /* yysindex */ 79 80 #ifndef yyrindex 81 #define yyrindex calc3_rindex 82 #endif /* yyrindex */ 83 84 #ifndef yygindex 85 #define yygindex calc3_gindex 86 #endif /* yygindex */ 87 88 #ifndef yytable 89 #define yytable calc3_table 90 #endif /* yytable */ 91 92 #ifndef yycheck 93 #define yycheck calc3_check 94 #endif /* yycheck */ 95 96 #ifndef yyname 97 #define yyname calc3_name 98 #endif /* yyname */ 99 100 #ifndef yyrule 101 #define yyrule calc3_rule 102 #endif /* yyrule */ 103 104 #if YYBTYACC 105 106 #ifndef yycindex 107 #define yycindex calc3_cindex 108 #endif /* yycindex */ 109 110 #ifndef yyctable 111 #define yyctable calc3_ctable 112 #endif /* yyctable */ 113 114 #endif /* YYBTYACC */ 115 116 #define YYPREFIX "calc3_" 117 118 #define YYPURE 1 119 120 #line 9 "calc3.y" 121 # include <stdio.h> 122 # include <ctype.h> 123 124 #ifdef YYBISON 125 #define YYSTYPE int 126 #define YYLEX_PARAM base 127 #define YYLEX_DECL() yylex(YYSTYPE *yylval, int *YYLEX_PARAM) 128 #define YYERROR_DECL() yyerror(int regs[26], int *base, const char *s) 129 int YYLEX_DECL(); 130 static void YYERROR_DECL(); 131 #endif 132 133 #line 134 "calc3.tab.c" 134 135 #if ! defined(YYSTYPE) && ! defined(YYSTYPE_IS_DECLARED) 136 /* Default: YYSTYPE is the semantic value type. */ 137 typedef int YYSTYPE; 138 # define YYSTYPE_IS_DECLARED 1 139 #endif 140 141 /* compatibility with bison */ 142 #ifdef YYPARSE_PARAM 143 /* compatibility with FreeBSD */ 144 # ifdef YYPARSE_PARAM_TYPE 145 # define YYPARSE_DECL() yyparse(YYPARSE_PARAM_TYPE YYPARSE_PARAM) 146 # else 147 # define YYPARSE_DECL() yyparse(void *YYPARSE_PARAM) 148 # endif 149 #else 150 # define YYPARSE_DECL() yyparse(int regs[26], int *base) 151 #endif 152 153 /* Parameters sent to lex. */ 154 #ifdef YYLEX_PARAM 155 # ifdef YYLEX_PARAM_TYPE 156 # define YYLEX_DECL() yylex(YYSTYPE *yylval, YYLEX_PARAM_TYPE YYLEX_PARAM) 157 # else 158 # define YYLEX_DECL() yylex(YYSTYPE *yylval, void * YYLEX_PARAM) 159 # endif 160 # define YYLEX yylex(&yylval, YYLEX_PARAM) 161 #else 162 # define YYLEX_DECL() yylex(YYSTYPE *yylval, int *base) 163 # define YYLEX yylex(&yylval, base) 164 #endif 165 166 /* Parameters sent to yyerror. */ 167 #ifndef YYERROR_DECL 168 #define YYERROR_DECL() yyerror(int regs[26], int *base, const char *s) 169 #endif 170 #ifndef YYERROR_CALL 171 #define YYERROR_CALL(msg) yyerror(regs, base, msg) 172 #endif 173 174 extern int YYPARSE_DECL(); 175 176 #define DIGIT 257 177 #define LETTER 258 178 #define UMINUS 259 179 #define YYERRCODE 256 180 typedef short YYINT; 181 static const YYINT calc3_lhs[] = { -1, 182 0, 0, 0, 1, 1, 2, 2, 2, 2, 2, 183 2, 2, 2, 2, 2, 2, 3, 3, 184 }; 185 static const YYINT calc3_len[] = { 2, 186 0, 3, 3, 1, 3, 3, 3, 3, 3, 3, 187 3, 3, 3, 2, 1, 1, 1, 2, 188 }; 189 static const YYINT calc3_defred[] = { 1, 190 0, 0, 17, 0, 0, 0, 0, 0, 0, 3, 191 0, 15, 14, 0, 2, 0, 0, 0, 0, 0, 192 0, 0, 18, 0, 6, 0, 0, 0, 0, 9, 193 10, 11, 194 }; 195 #if defined(YYDESTRUCT_CALL) || defined(YYSTYPE_TOSTRING) 196 static const YYINT calc3_stos[] = { 0, 197 261, 256, 257, 258, 45, 40, 262, 263, 264, 10, 198 61, 258, 263, 263, 10, 124, 38, 43, 45, 42, 199 47, 37, 257, 263, 41, 263, 263, 263, 263, 263, 200 263, 263, 201 }; 202 #endif /* YYDESTRUCT_CALL || YYSTYPE_TOSTRING */ 203 static const YYINT calc3_dgoto[] = { 1, 204 7, 8, 9, 205 }; 206 static const YYINT calc3_sindex[] = { 0, 207 -40, -7, 0, -55, -38, -38, 1, -29, -247, 0, 208 -38, 0, 0, 22, 0, -38, -38, -38, -38, -38, 209 -38, -38, 0, -29, 0, 51, 60, -20, -20, 0, 210 0, 0, 211 }; 212 static const YYINT calc3_rindex[] = { 0, 213 0, 0, 0, 2, 0, 0, 0, 9, -9, 0, 214 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 215 0, 0, 0, 10, 0, -6, 14, 5, 13, 0, 216 0, 0, 217 }; 218 #if YYBTYACC 219 static const YYINT calc3_cindex[] = { 0, 220 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 221 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 222 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 223 0, 0, 224 }; 225 #endif 226 static const YYINT calc3_gindex[] = { 0, 227 0, 65, 0, 228 }; 229 #define YYTABLESIZE 220 230 static const YYINT calc3_table[] = { 6, 231 16, 6, 10, 13, 5, 11, 5, 22, 17, 23, 232 15, 15, 20, 18, 7, 19, 22, 21, 4, 5, 233 0, 20, 8, 12, 0, 0, 21, 16, 16, 0, 234 0, 16, 16, 16, 13, 16, 0, 16, 15, 15, 235 0, 0, 7, 15, 15, 7, 15, 7, 15, 7, 236 8, 12, 0, 8, 12, 8, 0, 8, 22, 17, 237 0, 0, 25, 20, 18, 0, 19, 0, 21, 13, 238 14, 0, 0, 0, 0, 24, 0, 0, 0, 0, 239 26, 27, 28, 29, 30, 31, 32, 22, 17, 0, 240 0, 0, 20, 18, 16, 19, 22, 21, 0, 0, 241 0, 20, 18, 0, 19, 0, 21, 0, 0, 0, 242 0, 0, 0, 0, 16, 0, 0, 13, 0, 0, 243 0, 0, 0, 0, 0, 15, 0, 0, 7, 0, 244 0, 0, 0, 0, 0, 0, 8, 12, 0, 0, 245 0, 0, 0, 0, 0, 16, 0, 0, 0, 0, 246 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 247 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 248 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 249 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 250 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 251 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 252 0, 0, 0, 0, 0, 2, 3, 4, 3, 12, 253 }; 254 static const YYINT calc3_check[] = { 40, 255 10, 40, 10, 10, 45, 61, 45, 37, 38, 257, 256 10, 10, 42, 43, 10, 45, 37, 47, 10, 10, 257 -1, 42, 10, 10, -1, -1, 47, 37, 38, -1, 258 -1, 41, 42, 43, 41, 45, -1, 47, 37, 38, 259 -1, -1, 38, 42, 43, 41, 45, 43, 47, 45, 260 38, 38, -1, 41, 41, 43, -1, 45, 37, 38, 261 -1, -1, 41, 42, 43, -1, 45, -1, 47, 5, 262 6, -1, -1, -1, -1, 11, -1, -1, -1, -1, 263 16, 17, 18, 19, 20, 21, 22, 37, 38, -1, 264 -1, -1, 42, 43, 124, 45, 37, 47, -1, -1, 265 -1, 42, 43, -1, 45, -1, 47, -1, -1, -1, 266 -1, -1, -1, -1, 124, -1, -1, 124, -1, -1, 267 -1, -1, -1, -1, -1, 124, -1, -1, 124, -1, 268 -1, -1, -1, -1, -1, -1, 124, 124, -1, -1, 269 -1, -1, -1, -1, -1, 124, -1, -1, -1, -1, 270 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 271 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 272 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 273 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 274 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 275 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 276 -1, -1, -1, -1, -1, 256, 257, 258, 257, 258, 277 }; 278 #if YYBTYACC 279 static const YYINT calc3_ctable[] = { -1, 280 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 281 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 282 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 283 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 284 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 285 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 286 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 287 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 288 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 289 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 290 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 291 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 292 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 293 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 294 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 295 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 296 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 297 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 298 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 299 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 300 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 301 -1, -1, -1, -1, -1, -1, -1, -1, -1, 302 }; 303 #endif 304 #define YYFINAL 1 305 #ifndef YYDEBUG 306 #define YYDEBUG 0 307 #endif 308 #define YYMAXTOKEN 259 309 #define YYUNDFTOKEN 265 310 #define YYTRANSLATE(a) ((a) > YYMAXTOKEN ? YYUNDFTOKEN : (a)) 311 #if YYDEBUG 312 static const char *const calc3_name[] = { 313 314 "$end",0,0,0,0,0,0,0,0,0,"'\\n'",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 315 0,0,0,"'%'","'&'",0,"'('","')'","'*'","'+'",0,"'-'",0,"'/'",0,0,0,0,0,0,0,0,0,0, 316 0,0,0,"'='",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 317 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"'|'",0,0,0,0,0,0,0,0,0, 318 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 319 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 320 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 321 0,0,"error","DIGIT","LETTER","UMINUS","$accept","list","stat","expr","number", 322 "illegal-symbol", 323 }; 324 static const char *const calc3_rule[] = { 325 "$accept : list", 326 "list :", 327 "list : list stat '\\n'", 328 "list : list error '\\n'", 329 "stat : expr", 330 "stat : LETTER '=' expr", 331 "expr : '(' expr ')'", 332 "expr : expr '+' expr", 333 "expr : expr '-' expr", 334 "expr : expr '*' expr", 335 "expr : expr '/' expr", 336 "expr : expr '%' expr", 337 "expr : expr '&' expr", 338 "expr : expr '|' expr", 339 "expr : '-' expr", 340 "expr : LETTER", 341 "expr : number", 342 "number : DIGIT", 343 "number : number DIGIT", 344 345 }; 346 #endif 347 348 int yydebug; 349 int yynerrs; 350 351 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 352 #ifndef YYLLOC_DEFAULT 353 #define YYLLOC_DEFAULT(loc, rhs, n) \ 354 do \ 355 { \ 356 if (n == 0) \ 357 { \ 358 (loc).first_line = ((rhs)[-1]).last_line; \ 359 (loc).first_column = ((rhs)[-1]).last_column; \ 360 (loc).last_line = ((rhs)[-1]).last_line; \ 361 (loc).last_column = ((rhs)[-1]).last_column; \ 362 } \ 363 else \ 364 { \ 365 (loc).first_line = ((rhs)[ 0 ]).first_line; \ 366 (loc).first_column = ((rhs)[ 0 ]).first_column; \ 367 (loc).last_line = ((rhs)[n-1]).last_line; \ 368 (loc).last_column = ((rhs)[n-1]).last_column; \ 369 } \ 370 } while (0) 371 #endif /* YYLLOC_DEFAULT */ 372 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */ 373 #if YYBTYACC 374 375 #ifndef YYLVQUEUEGROWTH 376 #define YYLVQUEUEGROWTH 32 377 #endif 378 #endif /* YYBTYACC */ 379 380 /* define the initial stack-sizes */ 381 #ifdef YYSTACKSIZE 382 #undef YYMAXDEPTH 383 #define YYMAXDEPTH YYSTACKSIZE 384 #else 385 #ifdef YYMAXDEPTH 386 #define YYSTACKSIZE YYMAXDEPTH 387 #else 388 #define YYSTACKSIZE 10000 389 #define YYMAXDEPTH 10000 390 #endif 391 #endif 392 393 #ifndef YYINITSTACKSIZE 394 #define YYINITSTACKSIZE 200 395 #endif 396 397 typedef struct { 398 unsigned stacksize; 399 YYINT *s_base; 400 YYINT *s_mark; 401 YYINT *s_last; 402 YYSTYPE *l_base; 403 YYSTYPE *l_mark; 404 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 405 YYLTYPE *p_base; 406 YYLTYPE *p_mark; 407 #endif 408 } YYSTACKDATA; 409 #if YYBTYACC 410 411 struct YYParseState_s 412 { 413 struct YYParseState_s *save; /* Previously saved parser state */ 414 YYSTACKDATA yystack; /* saved parser stack */ 415 int state; /* saved parser state */ 416 int errflag; /* saved error recovery status */ 417 int lexeme; /* saved index of the conflict lexeme in the lexical queue */ 418 YYINT ctry; /* saved index in yyctable[] for this conflict */ 419 }; 420 typedef struct YYParseState_s YYParseState; 421 #endif /* YYBTYACC */ 422 #line 76 "calc3.y" 423 /* start of programs */ 424 425 #ifdef YYBYACC 426 extern int YYLEX_DECL(); 427 #endif 428 429 int 430 main (void) 431 { 432 int regs[26]; 433 int base = 10; 434 435 while(!feof(stdin)) { 436 yyparse(regs, &base); 437 } 438 return 0; 439 } 440 441 #define UNUSED(x) ((void)(x)) 442 443 static void 444 YYERROR_DECL() 445 { 446 UNUSED(regs); /* %parse-param regs is not actually used here */ 447 UNUSED(base); /* %parse-param base is not actually used here */ 448 fprintf(stderr, "%s\n", s); 449 } 450 451 int 452 YYLEX_DECL() 453 { 454 /* lexical analysis routine */ 455 /* returns LETTER for a lower case letter, yylval = 0 through 25 */ 456 /* return DIGIT for a digit, yylval = 0 through 9 */ 457 /* all other characters are returned immediately */ 458 459 int c; 460 461 while( (c=getchar()) == ' ' ) { /* skip blanks */ } 462 463 /* c is now nonblank */ 464 465 if( islower( c )) { 466 *yylval = (c - 'a'); 467 return ( LETTER ); 468 } 469 if( isdigit( c )) { 470 *yylval = (c - '0') % (*base); 471 return ( DIGIT ); 472 } 473 return( c ); 474 } 475 #line 476 "calc3.tab.c" 476 477 /* For use in generated program */ 478 #define yydepth (int)(yystack.s_mark - yystack.s_base) 479 #if YYBTYACC 480 #define yytrial (yyps->save) 481 #endif /* YYBTYACC */ 482 483 #if YYDEBUG 484 #include <stdio.h> /* needed for printf */ 485 #endif 486 487 #include <stdlib.h> /* needed for malloc, etc */ 488 #include <string.h> /* needed for memset */ 489 490 /* allocate initial stack or double stack size, up to YYMAXDEPTH */ 491 static int yygrowstack(YYSTACKDATA *data) 492 { 493 int i; 494 unsigned newsize; 495 YYINT *newss; 496 YYSTYPE *newvs; 497 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 498 YYLTYPE *newps; 499 #endif 500 501 if ((newsize = data->stacksize) == 0) 502 newsize = YYINITSTACKSIZE; 503 else if (newsize >= YYMAXDEPTH) 504 return YYENOMEM; 505 else if ((newsize *= 2) > YYMAXDEPTH) 506 newsize = YYMAXDEPTH; 507 508 i = (int) (data->s_mark - data->s_base); 509 newss = (YYINT *)realloc(data->s_base, newsize * sizeof(*newss)); 510 if (newss == 0) 511 return YYENOMEM; 512 513 data->s_base = newss; 514 data->s_mark = newss + i; 515 516 newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs)); 517 if (newvs == 0) 518 return YYENOMEM; 519 520 data->l_base = newvs; 521 data->l_mark = newvs + i; 522 523 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 524 newps = (YYLTYPE *)realloc(data->p_base, newsize * sizeof(*newps)); 525 if (newps == 0) 526 return YYENOMEM; 527 528 data->p_base = newps; 529 data->p_mark = newps + i; 530 #endif 531 532 data->stacksize = newsize; 533 data->s_last = data->s_base + newsize - 1; 534 535 #if YYDEBUG 536 if (yydebug) 537 fprintf(stderr, "%sdebug: stack size increased to %d\n", YYPREFIX, newsize); 538 #endif 539 return 0; 540 } 541 542 #if YYPURE || defined(YY_NO_LEAKS) 543 static void yyfreestack(YYSTACKDATA *data) 544 { 545 free(data->s_base); 546 free(data->l_base); 547 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 548 free(data->p_base); 549 #endif 550 memset(data, 0, sizeof(*data)); 551 } 552 #else 553 #define yyfreestack(data) /* nothing */ 554 #endif /* YYPURE || defined(YY_NO_LEAKS) */ 555 #if YYBTYACC 556 557 static YYParseState * 558 yyNewState(unsigned size) 559 { 560 YYParseState *p = (YYParseState *) malloc(sizeof(YYParseState)); 561 if (p == NULL) return NULL; 562 563 p->yystack.stacksize = size; 564 if (size == 0) 565 { 566 p->yystack.s_base = NULL; 567 p->yystack.l_base = NULL; 568 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 569 p->yystack.p_base = NULL; 570 #endif 571 return p; 572 } 573 p->yystack.s_base = (YYINT *) malloc(size * sizeof(YYINT)); 574 if (p->yystack.s_base == NULL) return NULL; 575 p->yystack.l_base = (YYSTYPE *) malloc(size * sizeof(YYSTYPE)); 576 if (p->yystack.l_base == NULL) return NULL; 577 memset(p->yystack.l_base, 0, size * sizeof(YYSTYPE)); 578 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 579 p->yystack.p_base = (YYLTYPE *) malloc(size * sizeof(YYLTYPE)); 580 if (p->yystack.p_base == NULL) return NULL; 581 memset(p->yystack.p_base, 0, size * sizeof(YYLTYPE)); 582 #endif 583 584 return p; 585 } 586 587 static void 588 yyFreeState(YYParseState *p) 589 { 590 yyfreestack(&p->yystack); 591 free(p); 592 } 593 #endif /* YYBTYACC */ 594 595 #define YYABORT goto yyabort 596 #define YYREJECT goto yyabort 597 #define YYACCEPT goto yyaccept 598 #define YYERROR goto yyerrlab 599 #if YYBTYACC 600 #define YYVALID do { if (yyps->save) goto yyvalid; } while(0) 601 #define YYVALID_NESTED do { if (yyps->save && \ 602 yyps->save->save == 0) goto yyvalid; } while(0) 603 #endif /* YYBTYACC */ 604 605 int 606 YYPARSE_DECL() 607 { 608 int yyerrflag; 609 int yychar; 610 YYSTYPE yyval; 611 YYSTYPE yylval; 612 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 613 YYLTYPE yyloc; /* position returned by actions */ 614 YYLTYPE yylloc; /* position from the lexer */ 615 #endif 616 617 /* variables for the parser stack */ 618 YYSTACKDATA yystack; 619 #if YYBTYACC 620 621 /* Current parser state */ 622 static YYParseState *yyps = 0; 623 624 /* yypath != NULL: do the full parse, starting at *yypath parser state. */ 625 static YYParseState *yypath = 0; 626 627 /* Base of the lexical value queue */ 628 static YYSTYPE *yylvals = 0; 629 630 /* Current position at lexical value queue */ 631 static YYSTYPE *yylvp = 0; 632 633 /* End position of lexical value queue */ 634 static YYSTYPE *yylve = 0; 635 636 /* The last allocated position at the lexical value queue */ 637 static YYSTYPE *yylvlim = 0; 638 639 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 640 /* Base of the lexical position queue */ 641 static YYLTYPE *yylpsns = 0; 642 643 /* Current position at lexical position queue */ 644 static YYLTYPE *yylpp = 0; 645 646 /* End position of lexical position queue */ 647 static YYLTYPE *yylpe = 0; 648 649 /* The last allocated position at the lexical position queue */ 650 static YYLTYPE *yylplim = 0; 651 #endif 652 653 /* Current position at lexical token queue */ 654 static YYINT *yylexp = 0; 655 656 static YYINT *yylexemes = 0; 657 #endif /* YYBTYACC */ 658 int yym, yyn, yystate, yyresult; 659 #if YYBTYACC 660 int yynewerrflag; 661 YYParseState *yyerrctx = NULL; 662 #endif /* YYBTYACC */ 663 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 664 YYLTYPE yyerror_loc_range[2]; /* position of error start & end */ 665 #endif 666 #if YYDEBUG 667 const char *yys; 668 669 if ((yys = getenv("YYDEBUG")) != 0) 670 { 671 yyn = *yys; 672 if (yyn >= '0' && yyn <= '9') 673 yydebug = yyn - '0'; 674 } 675 if (yydebug) 676 fprintf(stderr, "%sdebug[<# of symbols on state stack>]\n", YYPREFIX); 677 #endif 678 679 #if YYBTYACC 680 yyps = yyNewState(0); if (yyps == 0) goto yyenomem; 681 yyps->save = 0; 682 #endif /* YYBTYACC */ 683 yym = 0; 684 yyn = 0; 685 yynerrs = 0; 686 yyerrflag = 0; 687 yychar = YYEMPTY; 688 yystate = 0; 689 690 #if YYPURE 691 memset(&yystack, 0, sizeof(yystack)); 692 #endif 693 694 if (yystack.s_base == NULL && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow; 695 yystack.s_mark = yystack.s_base; 696 yystack.l_mark = yystack.l_base; 697 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 698 yystack.p_mark = yystack.p_base; 699 #endif 700 yystate = 0; 701 *yystack.s_mark = 0; 702 703 yyloop: 704 if ((yyn = yydefred[yystate]) != 0) goto yyreduce; 705 if (yychar < 0) 706 { 707 #if YYBTYACC 708 do { 709 if (yylvp < yylve) 710 { 711 /* we're currently re-reading tokens */ 712 yylval = *yylvp++; 713 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 714 yylloc = *yylpp++; 715 #endif 716 yychar = *yylexp++; 717 break; 718 } 719 if (yyps->save) 720 { 721 /* in trial mode; save scanner results for future parse attempts */ 722 if (yylvp == yylvlim) 723 { /* Enlarge lexical value queue */ 724 size_t p = (size_t) (yylvp - yylvals); 725 size_t s = (size_t) (yylvlim - yylvals); 726 727 s += YYLVQUEUEGROWTH; 728 if ((yylexemes = realloc(yylexemes, s * sizeof(YYINT))) == NULL) goto yyenomem; 729 if ((yylvals = realloc(yylvals, s * sizeof(YYSTYPE))) == NULL) goto yyenomem; 730 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 731 if ((yylpsns = realloc(yylpsns, s * sizeof(YYLTYPE))) == NULL) goto yyenomem; 732 #endif 733 yylvp = yylve = yylvals + p; 734 yylvlim = yylvals + s; 735 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 736 yylpp = yylpe = yylpsns + p; 737 yylplim = yylpsns + s; 738 #endif 739 yylexp = yylexemes + p; 740 } 741 *yylexp = (YYINT) YYLEX; 742 *yylvp++ = yylval; 743 yylve++; 744 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 745 *yylpp++ = yylloc; 746 yylpe++; 747 #endif 748 yychar = *yylexp++; 749 break; 750 } 751 /* normal operation, no conflict encountered */ 752 #endif /* YYBTYACC */ 753 yychar = YYLEX; 754 #if YYBTYACC 755 } while (0); 756 #endif /* YYBTYACC */ 757 if (yychar < 0) yychar = YYEOF; 758 #if YYDEBUG 759 if (yydebug) 760 { 761 if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN]; 762 fprintf(stderr, "%s[%d]: state %d, reading token %d (%s)", 763 YYDEBUGSTR, yydepth, yystate, yychar, yys); 764 #ifdef YYSTYPE_TOSTRING 765 #if YYBTYACC 766 if (!yytrial) 767 #endif /* YYBTYACC */ 768 fprintf(stderr, " <%s>", YYSTYPE_TOSTRING(yychar, yylval)); 769 #endif 770 fputc('\n', stderr); 771 } 772 #endif 773 } 774 #if YYBTYACC 775 776 /* Do we have a conflict? */ 777 if (((yyn = yycindex[yystate]) != 0) && (yyn += yychar) >= 0 && 778 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar) 779 { 780 YYINT ctry; 781 782 if (yypath) 783 { 784 YYParseState *save; 785 #if YYDEBUG 786 if (yydebug) 787 fprintf(stderr, "%s[%d]: CONFLICT in state %d: following successful trial parse\n", 788 YYDEBUGSTR, yydepth, yystate); 789 #endif 790 /* Switch to the next conflict context */ 791 save = yypath; 792 yypath = save->save; 793 save->save = NULL; 794 ctry = save->ctry; 795 if (save->state != yystate) YYABORT; 796 yyFreeState(save); 797 798 } 799 else 800 { 801 802 /* Unresolved conflict - start/continue trial parse */ 803 YYParseState *save; 804 #if YYDEBUG 805 if (yydebug) 806 { 807 fprintf(stderr, "%s[%d]: CONFLICT in state %d. ", YYDEBUGSTR, yydepth, yystate); 808 if (yyps->save) 809 fputs("ALREADY in conflict, continuing trial parse.\n", stderr); 810 else 811 fputs("Starting trial parse.\n", stderr); 812 } 813 #endif 814 save = yyNewState((unsigned)(yystack.s_mark - yystack.s_base + 1)); 815 if (save == NULL) goto yyenomem; 816 save->save = yyps->save; 817 save->state = yystate; 818 save->errflag = yyerrflag; 819 save->yystack.s_mark = save->yystack.s_base + (yystack.s_mark - yystack.s_base); 820 memcpy (save->yystack.s_base, yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT)); 821 save->yystack.l_mark = save->yystack.l_base + (yystack.l_mark - yystack.l_base); 822 memcpy (save->yystack.l_base, yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE)); 823 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 824 save->yystack.p_mark = save->yystack.p_base + (yystack.p_mark - yystack.p_base); 825 memcpy (save->yystack.p_base, yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE)); 826 #endif 827 ctry = yytable[yyn]; 828 if (yyctable[ctry] == -1) 829 { 830 #if YYDEBUG 831 if (yydebug && yychar >= YYEOF) 832 fprintf(stderr, "%s[%d]: backtracking 1 token\n", YYDEBUGSTR, yydepth); 833 #endif 834 ctry++; 835 } 836 save->ctry = ctry; 837 if (yyps->save == NULL) 838 { 839 /* If this is a first conflict in the stack, start saving lexemes */ 840 if (!yylexemes) 841 { 842 yylexemes = malloc((YYLVQUEUEGROWTH) * sizeof(YYINT)); 843 if (yylexemes == NULL) goto yyenomem; 844 yylvals = (YYSTYPE *) malloc((YYLVQUEUEGROWTH) * sizeof(YYSTYPE)); 845 if (yylvals == NULL) goto yyenomem; 846 yylvlim = yylvals + YYLVQUEUEGROWTH; 847 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 848 yylpsns = (YYLTYPE *) malloc((YYLVQUEUEGROWTH) * sizeof(YYLTYPE)); 849 if (yylpsns == NULL) goto yyenomem; 850 yylplim = yylpsns + YYLVQUEUEGROWTH; 851 #endif 852 } 853 if (yylvp == yylve) 854 { 855 yylvp = yylve = yylvals; 856 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 857 yylpp = yylpe = yylpsns; 858 #endif 859 yylexp = yylexemes; 860 if (yychar >= YYEOF) 861 { 862 *yylve++ = yylval; 863 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 864 *yylpe++ = yylloc; 865 #endif 866 *yylexp = (YYINT) yychar; 867 yychar = YYEMPTY; 868 } 869 } 870 } 871 if (yychar >= YYEOF) 872 { 873 yylvp--; 874 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 875 yylpp--; 876 #endif 877 yylexp--; 878 yychar = YYEMPTY; 879 } 880 save->lexeme = (int) (yylvp - yylvals); 881 yyps->save = save; 882 } 883 if (yytable[yyn] == ctry) 884 { 885 #if YYDEBUG 886 if (yydebug) 887 fprintf(stderr, "%s[%d]: state %d, shifting to state %d\n", 888 YYDEBUGSTR, yydepth, yystate, yyctable[ctry]); 889 #endif 890 if (yychar < 0) 891 { 892 yylvp++; 893 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 894 yylpp++; 895 #endif 896 yylexp++; 897 } 898 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) 899 goto yyoverflow; 900 yystate = yyctable[ctry]; 901 *++yystack.s_mark = (YYINT) yystate; 902 *++yystack.l_mark = yylval; 903 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 904 *++yystack.p_mark = yylloc; 905 #endif 906 yychar = YYEMPTY; 907 if (yyerrflag > 0) --yyerrflag; 908 goto yyloop; 909 } 910 else 911 { 912 yyn = yyctable[ctry]; 913 goto yyreduce; 914 } 915 } /* End of code dealing with conflicts */ 916 #endif /* YYBTYACC */ 917 if (((yyn = yysindex[yystate]) != 0) && (yyn += yychar) >= 0 && 918 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar) 919 { 920 #if YYDEBUG 921 if (yydebug) 922 fprintf(stderr, "%s[%d]: state %d, shifting to state %d\n", 923 YYDEBUGSTR, yydepth, yystate, yytable[yyn]); 924 #endif 925 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow; 926 yystate = yytable[yyn]; 927 *++yystack.s_mark = yytable[yyn]; 928 *++yystack.l_mark = yylval; 929 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 930 *++yystack.p_mark = yylloc; 931 #endif 932 yychar = YYEMPTY; 933 if (yyerrflag > 0) --yyerrflag; 934 goto yyloop; 935 } 936 if (((yyn = yyrindex[yystate]) != 0) && (yyn += yychar) >= 0 && 937 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar) 938 { 939 yyn = yytable[yyn]; 940 goto yyreduce; 941 } 942 if (yyerrflag != 0) goto yyinrecovery; 943 #if YYBTYACC 944 945 yynewerrflag = 1; 946 goto yyerrhandler; 947 goto yyerrlab; /* redundant goto avoids 'unused label' warning */ 948 949 yyerrlab: 950 /* explicit YYERROR from an action -- pop the rhs of the rule reduced 951 * before looking for error recovery */ 952 yystack.s_mark -= yym; 953 yystate = *yystack.s_mark; 954 yystack.l_mark -= yym; 955 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 956 yystack.p_mark -= yym; 957 #endif 958 959 yynewerrflag = 0; 960 yyerrhandler: 961 while (yyps->save) 962 { 963 int ctry; 964 YYParseState *save = yyps->save; 965 #if YYDEBUG 966 if (yydebug) 967 fprintf(stderr, "%s[%d]: ERROR in state %d, CONFLICT BACKTRACKING to state %d, %d tokens\n", 968 YYDEBUGSTR, yydepth, yystate, yyps->save->state, 969 (int)(yylvp - yylvals - yyps->save->lexeme)); 970 #endif 971 /* Memorize most forward-looking error state in case it's really an error. */ 972 if (yyerrctx == NULL || yyerrctx->lexeme < yylvp - yylvals) 973 { 974 /* Free old saved error context state */ 975 if (yyerrctx) yyFreeState(yyerrctx); 976 /* Create and fill out new saved error context state */ 977 yyerrctx = yyNewState((unsigned)(yystack.s_mark - yystack.s_base + 1)); 978 if (yyerrctx == NULL) goto yyenomem; 979 yyerrctx->save = yyps->save; 980 yyerrctx->state = yystate; 981 yyerrctx->errflag = yyerrflag; 982 yyerrctx->yystack.s_mark = yyerrctx->yystack.s_base + (yystack.s_mark - yystack.s_base); 983 memcpy (yyerrctx->yystack.s_base, yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT)); 984 yyerrctx->yystack.l_mark = yyerrctx->yystack.l_base + (yystack.l_mark - yystack.l_base); 985 memcpy (yyerrctx->yystack.l_base, yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE)); 986 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 987 yyerrctx->yystack.p_mark = yyerrctx->yystack.p_base + (yystack.p_mark - yystack.p_base); 988 memcpy (yyerrctx->yystack.p_base, yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE)); 989 #endif 990 yyerrctx->lexeme = (int) (yylvp - yylvals); 991 } 992 yylvp = yylvals + save->lexeme; 993 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 994 yylpp = yylpsns + save->lexeme; 995 #endif 996 yylexp = yylexemes + save->lexeme; 997 yychar = YYEMPTY; 998 yystack.s_mark = yystack.s_base + (save->yystack.s_mark - save->yystack.s_base); 999 memcpy (yystack.s_base, save->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT)); 1000 yystack.l_mark = yystack.l_base + (save->yystack.l_mark - save->yystack.l_base); 1001 memcpy (yystack.l_base, save->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE)); 1002 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 1003 yystack.p_mark = yystack.p_base + (save->yystack.p_mark - save->yystack.p_base); 1004 memcpy (yystack.p_base, save->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE)); 1005 #endif 1006 ctry = ++save->ctry; 1007 yystate = save->state; 1008 /* We tried shift, try reduce now */ 1009 if ((yyn = yyctable[ctry]) >= 0) goto yyreduce; 1010 yyps->save = save->save; 1011 save->save = NULL; 1012 yyFreeState(save); 1013 1014 /* Nothing left on the stack -- error */ 1015 if (!yyps->save) 1016 { 1017 #if YYDEBUG 1018 if (yydebug) 1019 fprintf(stderr, "%sdebug[%d,trial]: trial parse FAILED, entering ERROR mode\n", 1020 YYPREFIX, yydepth); 1021 #endif 1022 /* Restore state as it was in the most forward-advanced error */ 1023 yylvp = yylvals + yyerrctx->lexeme; 1024 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 1025 yylpp = yylpsns + yyerrctx->lexeme; 1026 #endif 1027 yylexp = yylexemes + yyerrctx->lexeme; 1028 yychar = yylexp[-1]; 1029 yylval = yylvp[-1]; 1030 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 1031 yylloc = yylpp[-1]; 1032 #endif 1033 yystack.s_mark = yystack.s_base + (yyerrctx->yystack.s_mark - yyerrctx->yystack.s_base); 1034 memcpy (yystack.s_base, yyerrctx->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT)); 1035 yystack.l_mark = yystack.l_base + (yyerrctx->yystack.l_mark - yyerrctx->yystack.l_base); 1036 memcpy (yystack.l_base, yyerrctx->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE)); 1037 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 1038 yystack.p_mark = yystack.p_base + (yyerrctx->yystack.p_mark - yyerrctx->yystack.p_base); 1039 memcpy (yystack.p_base, yyerrctx->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE)); 1040 #endif 1041 yystate = yyerrctx->state; 1042 yyFreeState(yyerrctx); 1043 yyerrctx = NULL; 1044 } 1045 yynewerrflag = 1; 1046 } 1047 if (yynewerrflag == 0) goto yyinrecovery; 1048 #endif /* YYBTYACC */ 1049 1050 YYERROR_CALL("syntax error"); 1051 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 1052 yyerror_loc_range[0] = yylloc; /* lookahead position is error start position */ 1053 #endif 1054 1055 #if !YYBTYACC 1056 goto yyerrlab; /* redundant goto avoids 'unused label' warning */ 1057 yyerrlab: 1058 #endif 1059 ++yynerrs; 1060 1061 yyinrecovery: 1062 if (yyerrflag < 3) 1063 { 1064 yyerrflag = 3; 1065 for (;;) 1066 { 1067 if (((yyn = yysindex[*yystack.s_mark]) != 0) && (yyn += YYERRCODE) >= 0 && 1068 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) YYERRCODE) 1069 { 1070 #if YYDEBUG 1071 if (yydebug) 1072 fprintf(stderr, "%s[%d]: state %d, error recovery shifting to state %d\n", 1073 YYDEBUGSTR, yydepth, *yystack.s_mark, yytable[yyn]); 1074 #endif 1075 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow; 1076 yystate = yytable[yyn]; 1077 *++yystack.s_mark = yytable[yyn]; 1078 *++yystack.l_mark = yylval; 1079 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 1080 /* lookahead position is error end position */ 1081 yyerror_loc_range[1] = yylloc; 1082 YYLLOC_DEFAULT(yyloc, yyerror_loc_range, 2); /* position of error span */ 1083 *++yystack.p_mark = yyloc; 1084 #endif 1085 goto yyloop; 1086 } 1087 else 1088 { 1089 #if YYDEBUG 1090 if (yydebug) 1091 fprintf(stderr, "%s[%d]: error recovery discarding state %d\n", 1092 YYDEBUGSTR, yydepth, *yystack.s_mark); 1093 #endif 1094 if (yystack.s_mark <= yystack.s_base) goto yyabort; 1095 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 1096 /* the current TOS position is the error start position */ 1097 yyerror_loc_range[0] = *yystack.p_mark; 1098 #endif 1099 #if defined(YYDESTRUCT_CALL) 1100 #if YYBTYACC 1101 if (!yytrial) 1102 #endif /* YYBTYACC */ 1103 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 1104 YYDESTRUCT_CALL("error: discarding state", 1105 yystos[*yystack.s_mark], yystack.l_mark, yystack.p_mark); 1106 #else 1107 YYDESTRUCT_CALL("error: discarding state", 1108 yystos[*yystack.s_mark], yystack.l_mark); 1109 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */ 1110 #endif /* defined(YYDESTRUCT_CALL) */ 1111 --yystack.s_mark; 1112 --yystack.l_mark; 1113 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 1114 --yystack.p_mark; 1115 #endif 1116 } 1117 } 1118 } 1119 else 1120 { 1121 if (yychar == YYEOF) goto yyabort; 1122 #if YYDEBUG 1123 if (yydebug) 1124 { 1125 if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN]; 1126 fprintf(stderr, "%s[%d]: state %d, error recovery discarding token %d (%s)\n", 1127 YYDEBUGSTR, yydepth, yystate, yychar, yys); 1128 } 1129 #endif 1130 #if defined(YYDESTRUCT_CALL) 1131 #if YYBTYACC 1132 if (!yytrial) 1133 #endif /* YYBTYACC */ 1134 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 1135 YYDESTRUCT_CALL("error: discarding token", yychar, &yylval, &yylloc); 1136 #else 1137 YYDESTRUCT_CALL("error: discarding token", yychar, &yylval); 1138 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */ 1139 #endif /* defined(YYDESTRUCT_CALL) */ 1140 yychar = YYEMPTY; 1141 goto yyloop; 1142 } 1143 1144 yyreduce: 1145 yym = yylen[yyn]; 1146 #if YYDEBUG 1147 if (yydebug) 1148 { 1149 fprintf(stderr, "%s[%d]: state %d, reducing by rule %d (%s)", 1150 YYDEBUGSTR, yydepth, yystate, yyn, yyrule[yyn]); 1151 #ifdef YYSTYPE_TOSTRING 1152 #if YYBTYACC 1153 if (!yytrial) 1154 #endif /* YYBTYACC */ 1155 if (yym > 0) 1156 { 1157 int i; 1158 fputc('<', stderr); 1159 for (i = yym; i > 0; i--) 1160 { 1161 if (i != yym) fputs(", ", stderr); 1162 fputs(YYSTYPE_TOSTRING(yystos[yystack.s_mark[1-i]], 1163 yystack.l_mark[1-i]), stderr); 1164 } 1165 fputc('>', stderr); 1166 } 1167 #endif 1168 fputc('\n', stderr); 1169 } 1170 #endif 1171 if (yym > 0) 1172 yyval = yystack.l_mark[1-yym]; 1173 else 1174 memset(&yyval, 0, sizeof yyval); 1175 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 1176 1177 /* Perform position reduction */ 1178 memset(&yyloc, 0, sizeof(yyloc)); 1179 #if YYBTYACC 1180 if (!yytrial) 1181 #endif /* YYBTYACC */ 1182 { 1183 YYLLOC_DEFAULT(yyloc, &yystack.p_mark[1-yym], yym); 1184 /* just in case YYERROR is invoked within the action, save 1185 the start of the rhs as the error start position */ 1186 yyerror_loc_range[0] = yystack.p_mark[1-yym]; 1187 } 1188 #endif 1189 1190 switch (yyn) 1191 { 1192 case 3: 1193 #line 38 "calc3.y" 1194 { yyerrok ; } 1195 break; 1196 case 4: 1197 #line 42 "calc3.y" 1198 { printf("%d\n",yystack.l_mark[0]);} 1199 break; 1200 case 5: 1201 #line 44 "calc3.y" 1202 { regs[yystack.l_mark[-2]] = yystack.l_mark[0]; } 1203 break; 1204 case 6: 1205 #line 48 "calc3.y" 1206 { yyval = yystack.l_mark[-1]; } 1207 break; 1208 case 7: 1209 #line 50 "calc3.y" 1210 { yyval = yystack.l_mark[-2] + yystack.l_mark[0]; } 1211 break; 1212 case 8: 1213 #line 52 "calc3.y" 1214 { yyval = yystack.l_mark[-2] - yystack.l_mark[0]; } 1215 break; 1216 case 9: 1217 #line 54 "calc3.y" 1218 { yyval = yystack.l_mark[-2] * yystack.l_mark[0]; } 1219 break; 1220 case 10: 1221 #line 56 "calc3.y" 1222 { yyval = yystack.l_mark[-2] / yystack.l_mark[0]; } 1223 break; 1224 case 11: 1225 #line 58 "calc3.y" 1226 { yyval = yystack.l_mark[-2] % yystack.l_mark[0]; } 1227 break; 1228 case 12: 1229 #line 60 "calc3.y" 1230 { yyval = yystack.l_mark[-2] & yystack.l_mark[0]; } 1231 break; 1232 case 13: 1233 #line 62 "calc3.y" 1234 { yyval = yystack.l_mark[-2] | yystack.l_mark[0]; } 1235 break; 1236 case 14: 1237 #line 64 "calc3.y" 1238 { yyval = - yystack.l_mark[0]; } 1239 break; 1240 case 15: 1241 #line 66 "calc3.y" 1242 { yyval = regs[yystack.l_mark[0]]; } 1243 break; 1244 case 17: 1245 #line 71 "calc3.y" 1246 { yyval = yystack.l_mark[0]; (*base) = (yystack.l_mark[0]==0) ? 8 : 10; } 1247 break; 1248 case 18: 1249 #line 73 "calc3.y" 1250 { yyval = (*base) * yystack.l_mark[-1] + yystack.l_mark[0]; } 1251 break; 1252 #line 1253 "calc3.tab.c" 1253 default: 1254 break; 1255 } 1256 yystack.s_mark -= yym; 1257 yystate = *yystack.s_mark; 1258 yystack.l_mark -= yym; 1259 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 1260 yystack.p_mark -= yym; 1261 #endif 1262 yym = yylhs[yyn]; 1263 if (yystate == 0 && yym == 0) 1264 { 1265 #if YYDEBUG 1266 if (yydebug) 1267 { 1268 fprintf(stderr, "%s[%d]: after reduction, ", YYDEBUGSTR, yydepth); 1269 #ifdef YYSTYPE_TOSTRING 1270 #if YYBTYACC 1271 if (!yytrial) 1272 #endif /* YYBTYACC */ 1273 fprintf(stderr, "result is <%s>, ", YYSTYPE_TOSTRING(yystos[YYFINAL], yyval)); 1274 #endif 1275 fprintf(stderr, "shifting from state 0 to final state %d\n", YYFINAL); 1276 } 1277 #endif 1278 yystate = YYFINAL; 1279 *++yystack.s_mark = YYFINAL; 1280 *++yystack.l_mark = yyval; 1281 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 1282 *++yystack.p_mark = yyloc; 1283 #endif 1284 if (yychar < 0) 1285 { 1286 #if YYBTYACC 1287 do { 1288 if (yylvp < yylve) 1289 { 1290 /* we're currently re-reading tokens */ 1291 yylval = *yylvp++; 1292 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 1293 yylloc = *yylpp++; 1294 #endif 1295 yychar = *yylexp++; 1296 break; 1297 } 1298 if (yyps->save) 1299 { 1300 /* in trial mode; save scanner results for future parse attempts */ 1301 if (yylvp == yylvlim) 1302 { /* Enlarge lexical value queue */ 1303 size_t p = (size_t) (yylvp - yylvals); 1304 size_t s = (size_t) (yylvlim - yylvals); 1305 1306 s += YYLVQUEUEGROWTH; 1307 if ((yylexemes = realloc(yylexemes, s * sizeof(YYINT))) == NULL) 1308 goto yyenomem; 1309 if ((yylvals = realloc(yylvals, s * sizeof(YYSTYPE))) == NULL) 1310 goto yyenomem; 1311 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 1312 if ((yylpsns = realloc(yylpsns, s * sizeof(YYLTYPE))) == NULL) 1313 goto yyenomem; 1314 #endif 1315 yylvp = yylve = yylvals + p; 1316 yylvlim = yylvals + s; 1317 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 1318 yylpp = yylpe = yylpsns + p; 1319 yylplim = yylpsns + s; 1320 #endif 1321 yylexp = yylexemes + p; 1322 } 1323 *yylexp = (YYINT) YYLEX; 1324 *yylvp++ = yylval; 1325 yylve++; 1326 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 1327 *yylpp++ = yylloc; 1328 yylpe++; 1329 #endif 1330 yychar = *yylexp++; 1331 break; 1332 } 1333 /* normal operation, no conflict encountered */ 1334 #endif /* YYBTYACC */ 1335 yychar = YYLEX; 1336 #if YYBTYACC 1337 } while (0); 1338 #endif /* YYBTYACC */ 1339 if (yychar < 0) yychar = YYEOF; 1340 #if YYDEBUG 1341 if (yydebug) 1342 { 1343 if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN]; 1344 fprintf(stderr, "%s[%d]: state %d, reading token %d (%s)\n", 1345 YYDEBUGSTR, yydepth, YYFINAL, yychar, yys); 1346 } 1347 #endif 1348 } 1349 if (yychar == YYEOF) goto yyaccept; 1350 goto yyloop; 1351 } 1352 if (((yyn = yygindex[yym]) != 0) && (yyn += yystate) >= 0 && 1353 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yystate) 1354 yystate = yytable[yyn]; 1355 else 1356 yystate = yydgoto[yym]; 1357 #if YYDEBUG 1358 if (yydebug) 1359 { 1360 fprintf(stderr, "%s[%d]: after reduction, ", YYDEBUGSTR, yydepth); 1361 #ifdef YYSTYPE_TOSTRING 1362 #if YYBTYACC 1363 if (!yytrial) 1364 #endif /* YYBTYACC */ 1365 fprintf(stderr, "result is <%s>, ", YYSTYPE_TOSTRING(yystos[yystate], yyval)); 1366 #endif 1367 fprintf(stderr, "shifting from state %d to state %d\n", *yystack.s_mark, yystate); 1368 } 1369 #endif 1370 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow; 1371 *++yystack.s_mark = (YYINT) yystate; 1372 *++yystack.l_mark = yyval; 1373 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 1374 *++yystack.p_mark = yyloc; 1375 #endif 1376 goto yyloop; 1377 #if YYBTYACC 1378 1379 /* Reduction declares that this path is valid. Set yypath and do a full parse */ 1380 yyvalid: 1381 if (yypath) YYABORT; 1382 while (yyps->save) 1383 { 1384 YYParseState *save = yyps->save; 1385 yyps->save = save->save; 1386 save->save = yypath; 1387 yypath = save; 1388 } 1389 #if YYDEBUG 1390 if (yydebug) 1391 fprintf(stderr, "%s[%d]: state %d, CONFLICT trial successful, backtracking to state %d, %d tokens\n", 1392 YYDEBUGSTR, yydepth, yystate, yypath->state, (int)(yylvp - yylvals - yypath->lexeme)); 1393 #endif 1394 if (yyerrctx) 1395 { 1396 yyFreeState(yyerrctx); 1397 yyerrctx = NULL; 1398 } 1399 yylvp = yylvals + yypath->lexeme; 1400 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 1401 yylpp = yylpsns + yypath->lexeme; 1402 #endif 1403 yylexp = yylexemes + yypath->lexeme; 1404 yychar = YYEMPTY; 1405 yystack.s_mark = yystack.s_base + (yypath->yystack.s_mark - yypath->yystack.s_base); 1406 memcpy (yystack.s_base, yypath->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT)); 1407 yystack.l_mark = yystack.l_base + (yypath->yystack.l_mark - yypath->yystack.l_base); 1408 memcpy (yystack.l_base, yypath->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE)); 1409 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 1410 yystack.p_mark = yystack.p_base + (yypath->yystack.p_mark - yypath->yystack.p_base); 1411 memcpy (yystack.p_base, yypath->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE)); 1412 #endif 1413 yystate = yypath->state; 1414 goto yyloop; 1415 #endif /* YYBTYACC */ 1416 1417 yyoverflow: 1418 YYERROR_CALL("yacc stack overflow"); 1419 #if YYBTYACC 1420 goto yyabort_nomem; 1421 yyenomem: 1422 YYERROR_CALL("memory exhausted"); 1423 yyabort_nomem: 1424 #endif /* YYBTYACC */ 1425 yyresult = 2; 1426 goto yyreturn; 1427 1428 yyabort: 1429 yyresult = 1; 1430 goto yyreturn; 1431 1432 yyaccept: 1433 #if YYBTYACC 1434 if (yyps->save) goto yyvalid; 1435 #endif /* YYBTYACC */ 1436 yyresult = 0; 1437 1438 yyreturn: 1439 #if defined(YYDESTRUCT_CALL) 1440 if (yychar != YYEOF && yychar != YYEMPTY) 1441 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 1442 YYDESTRUCT_CALL("cleanup: discarding token", yychar, &yylval, &yylloc); 1443 #else 1444 YYDESTRUCT_CALL("cleanup: discarding token", yychar, &yylval); 1445 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */ 1446 1447 { 1448 YYSTYPE *pv; 1449 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) 1450 YYLTYPE *pp; 1451 1452 for (pv = yystack.l_base, pp = yystack.p_base; pv <= yystack.l_mark; ++pv, ++pp) 1453 YYDESTRUCT_CALL("cleanup: discarding state", 1454 yystos[*(yystack.s_base + (pv - yystack.l_base))], pv, pp); 1455 #else 1456 for (pv = yystack.l_base; pv <= yystack.l_mark; ++pv) 1457 YYDESTRUCT_CALL("cleanup: discarding state", 1458 yystos[*(yystack.s_base + (pv - yystack.l_base))], pv); 1459 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */ 1460 } 1461 #endif /* defined(YYDESTRUCT_CALL) */ 1462 1463 #if YYBTYACC 1464 if (yyerrctx) 1465 { 1466 yyFreeState(yyerrctx); 1467 yyerrctx = NULL; 1468 } 1469 while (yyps) 1470 { 1471 YYParseState *save = yyps; 1472 yyps = save->save; 1473 save->save = NULL; 1474 yyFreeState(save); 1475 } 1476 while (yypath) 1477 { 1478 YYParseState *save = yypath; 1479 yypath = save->save; 1480 save->save = NULL; 1481 yyFreeState(save); 1482 } 1483 #endif /* YYBTYACC */ 1484 yyfreestack(&yystack); 1485 return (yyresult); 1486 } 1487