1 /* original parser id follows */
2 /* yysccsid[] = "@(#)yaccpar 1.9 (Berkeley) 02/21/93" */
3 /* (use YYMAJOR/YYMINOR for ifdefs dependent on parser version) */
8 #define YYCHECK "yyyymmdd"
11 #define yyclearin (yychar = YYEMPTY)
12 #define yyerrok (yyerrflag = 0)
13 #define YYRECOVERING() (yyerrflag != 0)
18 #define YYDEBUGSTR YYPREFIX "debug"
21 #define yyparse calc2_parse
25 #define yylex calc2_lex
29 #define yyerror calc2_error
33 #define yychar calc2_char
37 #define yyval calc2_val
41 #define yylval calc2_lval
45 #define yydebug calc2_debug
49 #define yynerrs calc2_nerrs
53 #define yyerrflag calc2_errflag
54 #endif /* yyerrflag */
57 #define yylhs calc2_lhs
61 #define yylen calc2_len
65 #define yydefred calc2_defred
69 #define yystos calc2_stos
73 #define yydgoto calc2_dgoto
77 #define yysindex calc2_sindex
81 #define yyrindex calc2_rindex
85 #define yygindex calc2_gindex
89 #define yytable calc2_table
93 #define yycheck calc2_check
97 #define yyname calc2_name
101 #define yyrule calc2_rule
107 #define yycindex calc2_cindex
108 #endif /* yycindex */
111 #define yyctable calc2_ctable
112 #endif /* yyctable */
114 #endif /* YYBTYACC */
116 #define YYPREFIX "calc2_"
125 #define YYLEX_PARAM base
126 #define YYLEX_DECL() yylex(int *YYLEX_PARAM)
127 #define YYERROR_DECL() yyerror(int regs[26], int *base, const char *s)
129 static void YYERROR_DECL();
132 #line 133 "calc2.tab.c"
134 #if ! defined(YYSTYPE) && ! defined(YYSTYPE_IS_DECLARED)
135 /* Default: YYSTYPE is the semantic value type. */
137 # define YYSTYPE_IS_DECLARED 1
140 /* compatibility with bison */
142 /* compatibility with FreeBSD */
143 # ifdef YYPARSE_PARAM_TYPE
144 # define YYPARSE_DECL() yyparse(YYPARSE_PARAM_TYPE YYPARSE_PARAM)
146 # define YYPARSE_DECL() yyparse(void *YYPARSE_PARAM)
149 # define YYPARSE_DECL() yyparse(int regs[26], int *base)
152 /* Parameters sent to lex. */
154 # define YYLEX_DECL() yylex(void *YYLEX_PARAM)
155 # define YYLEX yylex(YYLEX_PARAM)
157 # define YYLEX_DECL() yylex(int *base)
158 # define YYLEX yylex(base)
161 /* Parameters sent to yyerror. */
163 #define YYERROR_DECL() yyerror(int regs[26], int *base, const char *s)
166 #define YYERROR_CALL(msg) yyerror(regs, base, msg)
169 extern int YYPARSE_DECL();
174 #define YYERRCODE 256
176 static const YYINT calc2_lhs[] = { -1,
177 0, 0, 0, 1, 1, 2, 2, 2, 2, 2,
178 2, 2, 2, 2, 2, 2, 3, 3,
180 static const YYINT calc2_len[] = { 2,
181 0, 3, 3, 1, 3, 3, 3, 3, 3, 3,
182 3, 3, 3, 2, 1, 1, 1, 2,
184 static const YYINT calc2_defred[] = { 1,
185 0, 0, 17, 0, 0, 0, 0, 0, 0, 3,
186 0, 15, 14, 0, 2, 0, 0, 0, 0, 0,
187 0, 0, 18, 0, 6, 0, 0, 0, 0, 9,
190 #if defined(YYDESTRUCT_CALL) || defined(YYSTYPE_TOSTRING)
191 static const YYINT calc2_stos[] = { 0,
192 261, 256, 257, 258, 45, 40, 262, 263, 264, 10,
193 61, 258, 263, 263, 10, 124, 38, 43, 45, 42,
194 47, 37, 257, 263, 41, 263, 263, 263, 263, 263,
197 #endif /* YYDESTRUCT_CALL || YYSTYPE_TOSTRING */
198 static const YYINT calc2_dgoto[] = { 1,
201 static const YYINT calc2_sindex[] = { 0,
202 -40, -7, 0, -55, -38, -38, 1, -29, -247, 0,
203 -38, 0, 0, 22, 0, -38, -38, -38, -38, -38,
204 -38, -38, 0, -29, 0, 51, 60, -20, -20, 0,
207 static const YYINT calc2_rindex[] = { 0,
208 0, 0, 0, 2, 0, 0, 0, 9, -9, 0,
209 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
210 0, 0, 0, 10, 0, -6, 14, 5, 13, 0,
214 static const YYINT calc2_cindex[] = { 0,
215 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
216 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
217 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
221 static const YYINT calc2_gindex[] = { 0,
224 #define YYTABLESIZE 220
225 static const YYINT calc2_table[] = { 6,
226 16, 6, 10, 13, 5, 11, 5, 22, 17, 23,
227 15, 15, 20, 18, 7, 19, 22, 21, 4, 5,
228 0, 20, 8, 12, 0, 0, 21, 16, 16, 0,
229 0, 16, 16, 16, 13, 16, 0, 16, 15, 15,
230 0, 0, 7, 15, 15, 7, 15, 7, 15, 7,
231 8, 12, 0, 8, 12, 8, 0, 8, 22, 17,
232 0, 0, 25, 20, 18, 0, 19, 0, 21, 13,
233 14, 0, 0, 0, 0, 24, 0, 0, 0, 0,
234 26, 27, 28, 29, 30, 31, 32, 22, 17, 0,
235 0, 0, 20, 18, 16, 19, 22, 21, 0, 0,
236 0, 20, 18, 0, 19, 0, 21, 0, 0, 0,
237 0, 0, 0, 0, 16, 0, 0, 13, 0, 0,
238 0, 0, 0, 0, 0, 15, 0, 0, 7, 0,
239 0, 0, 0, 0, 0, 0, 8, 12, 0, 0,
240 0, 0, 0, 0, 0, 16, 0, 0, 0, 0,
241 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
242 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
243 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
244 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
245 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
246 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
247 0, 0, 0, 0, 0, 2, 3, 4, 3, 12,
249 static const YYINT calc2_check[] = { 40,
250 10, 40, 10, 10, 45, 61, 45, 37, 38, 257,
251 10, 10, 42, 43, 10, 45, 37, 47, 10, 10,
252 -1, 42, 10, 10, -1, -1, 47, 37, 38, -1,
253 -1, 41, 42, 43, 41, 45, -1, 47, 37, 38,
254 -1, -1, 38, 42, 43, 41, 45, 43, 47, 45,
255 38, 38, -1, 41, 41, 43, -1, 45, 37, 38,
256 -1, -1, 41, 42, 43, -1, 45, -1, 47, 5,
257 6, -1, -1, -1, -1, 11, -1, -1, -1, -1,
258 16, 17, 18, 19, 20, 21, 22, 37, 38, -1,
259 -1, -1, 42, 43, 124, 45, 37, 47, -1, -1,
260 -1, 42, 43, -1, 45, -1, 47, -1, -1, -1,
261 -1, -1, -1, -1, 124, -1, -1, 124, -1, -1,
262 -1, -1, -1, -1, -1, 124, -1, -1, 124, -1,
263 -1, -1, -1, -1, -1, -1, 124, 124, -1, -1,
264 -1, -1, -1, -1, -1, 124, -1, -1, -1, -1,
265 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
266 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
267 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
268 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
269 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
270 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
271 -1, -1, -1, -1, -1, 256, 257, 258, 257, 258,
274 static const YYINT calc2_ctable[] = { -1,
275 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
276 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
277 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
278 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
279 -1, -1, -1, -1, -1, -1, -1, -1, -1, -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,
303 #define YYMAXTOKEN 259
304 #define YYUNDFTOKEN 265
305 #define YYTRANSLATE(a) ((a) > YYMAXTOKEN ? YYUNDFTOKEN : (a))
307 static const char *const calc2_name[] = {
309 "$end",0,0,0,0,0,0,0,0,0,"'\\n'",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
310 0,0,0,"'%'","'&'",0,"'('","')'","'*'","'+'",0,"'-'",0,"'/'",0,0,0,0,0,0,0,0,0,0,
311 0,0,0,"'='",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
312 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"'|'",0,0,0,0,0,0,0,0,0,
313 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
314 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
315 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
316 0,0,"error","DIGIT","LETTER","UMINUS","$accept","list","stat","expr","number",
319 static const char *const calc2_rule[] = {
322 "list : list stat '\\n'",
323 "list : list error '\\n'",
325 "stat : LETTER '=' expr",
326 "expr : '(' expr ')'",
327 "expr : expr '+' expr",
328 "expr : expr '-' expr",
329 "expr : expr '*' expr",
330 "expr : expr '/' expr",
331 "expr : expr '%' expr",
332 "expr : expr '&' expr",
333 "expr : expr '|' expr",
338 "number : number DIGIT",
350 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
351 YYLTYPE yyloc; /* position returned by actions */
352 YYLTYPE yylloc; /* position from the lexer */
355 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
356 #ifndef YYLLOC_DEFAULT
357 #define YYLLOC_DEFAULT(loc, rhs, n) \
362 (loc).first_line = ((rhs)[-1]).last_line; \
363 (loc).first_column = ((rhs)[-1]).last_column; \
364 (loc).last_line = ((rhs)[-1]).last_line; \
365 (loc).last_column = ((rhs)[-1]).last_column; \
369 (loc).first_line = ((rhs)[ 0 ]).first_line; \
370 (loc).first_column = ((rhs)[ 0 ]).first_column; \
371 (loc).last_line = ((rhs)[n-1]).last_line; \
372 (loc).last_column = ((rhs)[n-1]).last_column; \
375 #endif /* YYLLOC_DEFAULT */
376 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
379 #ifndef YYLVQUEUEGROWTH
380 #define YYLVQUEUEGROWTH 32
382 #endif /* YYBTYACC */
384 /* define the initial stack-sizes */
387 #define YYMAXDEPTH YYSTACKSIZE
390 #define YYSTACKSIZE YYMAXDEPTH
392 #define YYSTACKSIZE 10000
393 #define YYMAXDEPTH 10000
397 #ifndef YYINITSTACKSIZE
398 #define YYINITSTACKSIZE 200
408 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
415 struct YYParseState_s
417 struct YYParseState_s *save; /* Previously saved parser state */
418 YYSTACKDATA yystack; /* saved parser stack */
419 int state; /* saved parser state */
420 int errflag; /* saved error recovery status */
421 int lexeme; /* saved index of the conflict lexeme in the lexical queue */
422 YYINT ctry; /* saved index in yyctable[] for this conflict */
424 typedef struct YYParseState_s YYParseState;
425 #endif /* YYBTYACC */
426 /* variables for the parser stack */
427 static YYSTACKDATA yystack;
430 /* Current parser state */
431 static YYParseState *yyps = 0;
433 /* yypath != NULL: do the full parse, starting at *yypath parser state. */
434 static YYParseState *yypath = 0;
436 /* Base of the lexical value queue */
437 static YYSTYPE *yylvals = 0;
439 /* Current position at lexical value queue */
440 static YYSTYPE *yylvp = 0;
442 /* End position of lexical value queue */
443 static YYSTYPE *yylve = 0;
445 /* The last allocated position at the lexical value queue */
446 static YYSTYPE *yylvlim = 0;
448 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
449 /* Base of the lexical position queue */
450 static YYLTYPE *yylpsns = 0;
452 /* Current position at lexical position queue */
453 static YYLTYPE *yylpp = 0;
455 /* End position of lexical position queue */
456 static YYLTYPE *yylpe = 0;
458 /* The last allocated position at the lexical position queue */
459 static YYLTYPE *yylplim = 0;
462 /* Current position at lexical token queue */
463 static YYINT *yylexp = 0;
465 static YYINT *yylexemes = 0;
466 #endif /* YYBTYACC */
468 /* start of programs */
471 extern int YYLEX_DECL();
480 while(!feof(stdin)) {
481 yyparse(regs, &base);
486 #define UNUSED(x) ((void)(x))
491 UNUSED(regs); /* %parse-param regs is not actually used here */
492 UNUSED(base); /* %parse-param base is not actually used here */
493 fprintf(stderr, "%s\n", s);
499 /* lexical analysis routine */
500 /* returns LETTER for a lower case letter, yylval = 0 through 25 */
501 /* return DIGIT for a digit, yylval = 0 through 9 */
502 /* all other characters are returned immediately */
506 while( (c=getchar()) == ' ' ) { /* skip blanks */ }
508 /* c is now nonblank */
515 yylval = (c - '0') % (*base);
520 #line 521 "calc2.tab.c"
522 /* For use in generated program */
523 #define yydepth (int)(yystack.s_mark - yystack.s_base)
525 #define yytrial (yyps->save)
526 #endif /* YYBTYACC */
529 #include <stdio.h> /* needed for printf */
532 #include <stdlib.h> /* needed for malloc, etc */
533 #include <string.h> /* needed for memset */
535 /* allocate initial stack or double stack size, up to YYMAXDEPTH */
536 static int yygrowstack(YYSTACKDATA *data)
542 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
546 if ((newsize = data->stacksize) == 0)
547 newsize = YYINITSTACKSIZE;
548 else if (newsize >= YYMAXDEPTH)
550 else if ((newsize *= 2) > YYMAXDEPTH)
551 newsize = YYMAXDEPTH;
553 i = (int) (data->s_mark - data->s_base);
554 newss = (YYINT *)realloc(data->s_base, newsize * sizeof(*newss));
558 data->s_base = newss;
559 data->s_mark = newss + i;
561 newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs));
565 data->l_base = newvs;
566 data->l_mark = newvs + i;
568 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
569 newps = (YYLTYPE *)realloc(data->p_base, newsize * sizeof(*newps));
573 data->p_base = newps;
574 data->p_mark = newps + i;
577 data->stacksize = newsize;
578 data->s_last = data->s_base + newsize - 1;
582 fprintf(stderr, "%sdebug: stack size increased to %d\n", YYPREFIX, newsize);
587 #if YYPURE || defined(YY_NO_LEAKS)
588 static void yyfreestack(YYSTACKDATA *data)
592 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
595 memset(data, 0, sizeof(*data));
598 #define yyfreestack(data) /* nothing */
599 #endif /* YYPURE || defined(YY_NO_LEAKS) */
602 static YYParseState *
603 yyNewState(unsigned size)
605 YYParseState *p = (YYParseState *) malloc(sizeof(YYParseState));
606 if (p == NULL) return NULL;
608 p->yystack.stacksize = size;
611 p->yystack.s_base = NULL;
612 p->yystack.l_base = NULL;
613 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
614 p->yystack.p_base = NULL;
618 p->yystack.s_base = (YYINT *) malloc(size * sizeof(YYINT));
619 if (p->yystack.s_base == NULL) return NULL;
620 p->yystack.l_base = (YYSTYPE *) malloc(size * sizeof(YYSTYPE));
621 if (p->yystack.l_base == NULL) return NULL;
622 memset(p->yystack.l_base, 0, size * sizeof(YYSTYPE));
623 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
624 p->yystack.p_base = (YYLTYPE *) malloc(size * sizeof(YYLTYPE));
625 if (p->yystack.p_base == NULL) return NULL;
626 memset(p->yystack.p_base, 0, size * sizeof(YYLTYPE));
633 yyFreeState(YYParseState *p)
635 yyfreestack(&p->yystack);
638 #endif /* YYBTYACC */
640 #define YYABORT goto yyabort
641 #define YYREJECT goto yyabort
642 #define YYACCEPT goto yyaccept
643 #define YYERROR goto yyerrlab
645 #define YYVALID do { if (yyps->save) goto yyvalid; } while(0)
646 #define YYVALID_NESTED do { if (yyps->save && \
647 yyps->save->save == 0) goto yyvalid; } while(0)
648 #endif /* YYBTYACC */
653 int yym, yyn, yystate, yyresult;
656 YYParseState *yyerrctx = NULL;
657 #endif /* YYBTYACC */
658 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
659 YYLTYPE yyerror_loc_range[2]; /* position of error start & end */
664 if ((yys = getenv("YYDEBUG")) != 0)
667 if (yyn >= '0' && yyn <= '9')
671 fprintf(stderr, "%sdebug[<# of symbols on state stack>]\n", YYPREFIX);
673 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
674 memset(yyerror_loc_range, 0, sizeof(yyerror_loc_range));
678 yyps = yyNewState(0); if (yyps == 0) goto yyenomem;
680 #endif /* YYBTYACC */
689 memset(&yystack, 0, sizeof(yystack));
692 if (yystack.s_base == NULL && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
693 yystack.s_mark = yystack.s_base;
694 yystack.l_mark = yystack.l_base;
695 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
696 yystack.p_mark = yystack.p_base;
702 if ((yyn = yydefred[yystate]) != 0) goto yyreduce;
709 /* we're currently re-reading tokens */
711 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
719 /* in trial mode; save scanner results for future parse attempts */
720 if (yylvp == yylvlim)
721 { /* Enlarge lexical value queue */
722 size_t p = (size_t) (yylvp - yylvals);
723 size_t s = (size_t) (yylvlim - yylvals);
725 s += YYLVQUEUEGROWTH;
726 if ((yylexemes = realloc(yylexemes, s * sizeof(YYINT))) == NULL) goto yyenomem;
727 if ((yylvals = realloc(yylvals, s * sizeof(YYSTYPE))) == NULL) goto yyenomem;
728 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
729 if ((yylpsns = realloc(yylpsns, s * sizeof(YYLTYPE))) == NULL) goto yyenomem;
731 yylvp = yylve = yylvals + p;
732 yylvlim = yylvals + s;
733 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
734 yylpp = yylpe = yylpsns + p;
735 yylplim = yylpsns + s;
737 yylexp = yylexemes + p;
739 *yylexp = (YYINT) YYLEX;
742 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
749 /* normal operation, no conflict encountered */
750 #endif /* YYBTYACC */
754 #endif /* YYBTYACC */
755 if (yychar < 0) yychar = YYEOF;
759 if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
760 fprintf(stderr, "%s[%d]: state %d, reading token %d (%s)",
761 YYDEBUGSTR, yydepth, yystate, yychar, yys);
762 #ifdef YYSTYPE_TOSTRING
765 #endif /* YYBTYACC */
766 fprintf(stderr, " <%s>", YYSTYPE_TOSTRING(yychar, yylval));
774 /* Do we have a conflict? */
775 if (((yyn = yycindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
776 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
785 fprintf(stderr, "%s[%d]: CONFLICT in state %d: following successful trial parse\n",
786 YYDEBUGSTR, yydepth, yystate);
788 /* Switch to the next conflict context */
793 if (save->state != yystate) YYABORT;
800 /* Unresolved conflict - start/continue trial parse */
805 fprintf(stderr, "%s[%d]: CONFLICT in state %d. ", YYDEBUGSTR, yydepth, yystate);
807 fputs("ALREADY in conflict, continuing trial parse.\n", stderr);
809 fputs("Starting trial parse.\n", stderr);
812 save = yyNewState((unsigned)(yystack.s_mark - yystack.s_base + 1));
813 if (save == NULL) goto yyenomem;
814 save->save = yyps->save;
815 save->state = yystate;
816 save->errflag = yyerrflag;
817 save->yystack.s_mark = save->yystack.s_base + (yystack.s_mark - yystack.s_base);
818 memcpy (save->yystack.s_base, yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT));
819 save->yystack.l_mark = save->yystack.l_base + (yystack.l_mark - yystack.l_base);
820 memcpy (save->yystack.l_base, yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
821 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
822 save->yystack.p_mark = save->yystack.p_base + (yystack.p_mark - yystack.p_base);
823 memcpy (save->yystack.p_base, yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
826 if (yyctable[ctry] == -1)
829 if (yydebug && yychar >= YYEOF)
830 fprintf(stderr, "%s[%d]: backtracking 1 token\n", YYDEBUGSTR, yydepth);
835 if (yyps->save == NULL)
837 /* If this is a first conflict in the stack, start saving lexemes */
840 yylexemes = malloc((YYLVQUEUEGROWTH) * sizeof(YYINT));
841 if (yylexemes == NULL) goto yyenomem;
842 yylvals = (YYSTYPE *) malloc((YYLVQUEUEGROWTH) * sizeof(YYSTYPE));
843 if (yylvals == NULL) goto yyenomem;
844 yylvlim = yylvals + YYLVQUEUEGROWTH;
845 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
846 yylpsns = (YYLTYPE *) malloc((YYLVQUEUEGROWTH) * sizeof(YYLTYPE));
847 if (yylpsns == NULL) goto yyenomem;
848 yylplim = yylpsns + YYLVQUEUEGROWTH;
853 yylvp = yylve = yylvals;
854 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
855 yylpp = yylpe = yylpsns;
861 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
864 *yylexp = (YYINT) yychar;
872 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
878 save->lexeme = (int) (yylvp - yylvals);
881 if (yytable[yyn] == ctry)
885 fprintf(stderr, "%s[%d]: state %d, shifting to state %d\n",
886 YYDEBUGSTR, yydepth, yystate, yyctable[ctry]);
891 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
896 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM)
898 yystate = yyctable[ctry];
899 *++yystack.s_mark = (YYINT) yystate;
900 *++yystack.l_mark = yylval;
901 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
902 *++yystack.p_mark = yylloc;
905 if (yyerrflag > 0) --yyerrflag;
910 yyn = yyctable[ctry];
913 } /* End of code dealing with conflicts */
914 #endif /* YYBTYACC */
915 if (((yyn = yysindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
916 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
920 fprintf(stderr, "%s[%d]: state %d, shifting to state %d\n",
921 YYDEBUGSTR, yydepth, yystate, yytable[yyn]);
923 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
924 yystate = yytable[yyn];
925 *++yystack.s_mark = yytable[yyn];
926 *++yystack.l_mark = yylval;
927 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
928 *++yystack.p_mark = yylloc;
931 if (yyerrflag > 0) --yyerrflag;
934 if (((yyn = yyrindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
935 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
940 if (yyerrflag != 0) goto yyinrecovery;
945 goto yyerrlab; /* redundant goto avoids 'unused label' warning */
948 /* explicit YYERROR from an action -- pop the rhs of the rule reduced
949 * before looking for error recovery */
950 yystack.s_mark -= yym;
951 yystate = *yystack.s_mark;
952 yystack.l_mark -= yym;
953 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
954 yystack.p_mark -= yym;
962 YYParseState *save = yyps->save;
965 fprintf(stderr, "%s[%d]: ERROR in state %d, CONFLICT BACKTRACKING to state %d, %d tokens\n",
966 YYDEBUGSTR, yydepth, yystate, yyps->save->state,
967 (int)(yylvp - yylvals - yyps->save->lexeme));
969 /* Memorize most forward-looking error state in case it's really an error. */
970 if (yyerrctx == NULL || yyerrctx->lexeme < yylvp - yylvals)
972 /* Free old saved error context state */
973 if (yyerrctx) yyFreeState(yyerrctx);
974 /* Create and fill out new saved error context state */
975 yyerrctx = yyNewState((unsigned)(yystack.s_mark - yystack.s_base + 1));
976 if (yyerrctx == NULL) goto yyenomem;
977 yyerrctx->save = yyps->save;
978 yyerrctx->state = yystate;
979 yyerrctx->errflag = yyerrflag;
980 yyerrctx->yystack.s_mark = yyerrctx->yystack.s_base + (yystack.s_mark - yystack.s_base);
981 memcpy (yyerrctx->yystack.s_base, yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT));
982 yyerrctx->yystack.l_mark = yyerrctx->yystack.l_base + (yystack.l_mark - yystack.l_base);
983 memcpy (yyerrctx->yystack.l_base, yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
984 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
985 yyerrctx->yystack.p_mark = yyerrctx->yystack.p_base + (yystack.p_mark - yystack.p_base);
986 memcpy (yyerrctx->yystack.p_base, yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
988 yyerrctx->lexeme = (int) (yylvp - yylvals);
990 yylvp = yylvals + save->lexeme;
991 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
992 yylpp = yylpsns + save->lexeme;
994 yylexp = yylexemes + save->lexeme;
996 yystack.s_mark = yystack.s_base + (save->yystack.s_mark - save->yystack.s_base);
997 memcpy (yystack.s_base, save->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT));
998 yystack.l_mark = yystack.l_base + (save->yystack.l_mark - save->yystack.l_base);
999 memcpy (yystack.l_base, save->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
1000 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1001 yystack.p_mark = yystack.p_base + (save->yystack.p_mark - save->yystack.p_base);
1002 memcpy (yystack.p_base, save->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
1004 ctry = ++save->ctry;
1005 yystate = save->state;
1006 /* We tried shift, try reduce now */
1007 if ((yyn = yyctable[ctry]) >= 0) goto yyreduce;
1008 yyps->save = save->save;
1012 /* Nothing left on the stack -- error */
1017 fprintf(stderr, "%sdebug[%d,trial]: trial parse FAILED, entering ERROR mode\n",
1020 /* Restore state as it was in the most forward-advanced error */
1021 yylvp = yylvals + yyerrctx->lexeme;
1022 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1023 yylpp = yylpsns + yyerrctx->lexeme;
1025 yylexp = yylexemes + yyerrctx->lexeme;
1026 yychar = yylexp[-1];
1028 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1031 yystack.s_mark = yystack.s_base + (yyerrctx->yystack.s_mark - yyerrctx->yystack.s_base);
1032 memcpy (yystack.s_base, yyerrctx->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT));
1033 yystack.l_mark = yystack.l_base + (yyerrctx->yystack.l_mark - yyerrctx->yystack.l_base);
1034 memcpy (yystack.l_base, yyerrctx->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
1035 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1036 yystack.p_mark = yystack.p_base + (yyerrctx->yystack.p_mark - yyerrctx->yystack.p_base);
1037 memcpy (yystack.p_base, yyerrctx->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
1039 yystate = yyerrctx->state;
1040 yyFreeState(yyerrctx);
1045 if (yynewerrflag == 0) goto yyinrecovery;
1046 #endif /* YYBTYACC */
1048 YYERROR_CALL("syntax error");
1049 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1050 yyerror_loc_range[0] = yylloc; /* lookahead position is error start position */
1054 goto yyerrlab; /* redundant goto avoids 'unused label' warning */
1065 if (((yyn = yysindex[*yystack.s_mark]) != 0) && (yyn += YYERRCODE) >= 0 &&
1066 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) YYERRCODE)
1070 fprintf(stderr, "%s[%d]: state %d, error recovery shifting to state %d\n",
1071 YYDEBUGSTR, yydepth, *yystack.s_mark, yytable[yyn]);
1073 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
1074 yystate = yytable[yyn];
1075 *++yystack.s_mark = yytable[yyn];
1076 *++yystack.l_mark = yylval;
1077 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1078 /* lookahead position is error end position */
1079 yyerror_loc_range[1] = yylloc;
1080 YYLLOC_DEFAULT(yyloc, yyerror_loc_range, 2); /* position of error span */
1081 *++yystack.p_mark = yyloc;
1089 fprintf(stderr, "%s[%d]: error recovery discarding state %d\n",
1090 YYDEBUGSTR, yydepth, *yystack.s_mark);
1092 if (yystack.s_mark <= yystack.s_base) goto yyabort;
1093 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1094 /* the current TOS position is the error start position */
1095 yyerror_loc_range[0] = *yystack.p_mark;
1097 #if defined(YYDESTRUCT_CALL)
1100 #endif /* YYBTYACC */
1101 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1102 YYDESTRUCT_CALL("error: discarding state",
1103 yystos[*yystack.s_mark], yystack.l_mark, yystack.p_mark);
1105 YYDESTRUCT_CALL("error: discarding state",
1106 yystos[*yystack.s_mark], yystack.l_mark);
1107 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
1108 #endif /* defined(YYDESTRUCT_CALL) */
1111 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1119 if (yychar == YYEOF) goto yyabort;
1123 if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
1124 fprintf(stderr, "%s[%d]: state %d, error recovery discarding token %d (%s)\n",
1125 YYDEBUGSTR, yydepth, yystate, yychar, yys);
1128 #if defined(YYDESTRUCT_CALL)
1131 #endif /* YYBTYACC */
1132 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1133 YYDESTRUCT_CALL("error: discarding token", yychar, &yylval, &yylloc);
1135 YYDESTRUCT_CALL("error: discarding token", yychar, &yylval);
1136 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
1137 #endif /* defined(YYDESTRUCT_CALL) */
1147 fprintf(stderr, "%s[%d]: state %d, reducing by rule %d (%s)",
1148 YYDEBUGSTR, yydepth, yystate, yyn, yyrule[yyn]);
1149 #ifdef YYSTYPE_TOSTRING
1152 #endif /* YYBTYACC */
1157 for (i = yym; i > 0; i--)
1159 if (i != yym) fputs(", ", stderr);
1160 fputs(YYSTYPE_TOSTRING(yystos[yystack.s_mark[1-i]],
1161 yystack.l_mark[1-i]), stderr);
1166 fputc('\n', stderr);
1170 yyval = yystack.l_mark[1-yym];
1172 memset(&yyval, 0, sizeof yyval);
1173 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1175 /* Perform position reduction */
1176 memset(&yyloc, 0, sizeof(yyloc));
1179 #endif /* YYBTYACC */
1181 YYLLOC_DEFAULT(yyloc, &yystack.p_mark[1-yym], yym);
1182 /* just in case YYERROR is invoked within the action, save
1183 the start of the rhs as the error start position */
1184 yyerror_loc_range[0] = yystack.p_mark[1-yym];
1196 { printf("%d\n",yystack.l_mark[0]);}
1200 { regs[yystack.l_mark[-2]] = yystack.l_mark[0]; }
1204 { yyval = yystack.l_mark[-1]; }
1208 { yyval = yystack.l_mark[-2] + yystack.l_mark[0]; }
1212 { yyval = yystack.l_mark[-2] - yystack.l_mark[0]; }
1216 { yyval = yystack.l_mark[-2] * yystack.l_mark[0]; }
1220 { yyval = yystack.l_mark[-2] / yystack.l_mark[0]; }
1224 { yyval = yystack.l_mark[-2] % yystack.l_mark[0]; }
1228 { yyval = yystack.l_mark[-2] & yystack.l_mark[0]; }
1232 { yyval = yystack.l_mark[-2] | yystack.l_mark[0]; }
1236 { yyval = - yystack.l_mark[0]; }
1240 { yyval = regs[yystack.l_mark[0]]; }
1244 { yyval = yystack.l_mark[0]; (*base) = (yystack.l_mark[0]==0) ? 8 : 10; }
1248 { yyval = (*base) * yystack.l_mark[-1] + yystack.l_mark[0]; }
1250 #line 1251 "calc2.tab.c"
1254 yystack.s_mark -= yym;
1255 yystate = *yystack.s_mark;
1256 yystack.l_mark -= yym;
1257 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1258 yystack.p_mark -= yym;
1261 if (yystate == 0 && yym == 0)
1266 fprintf(stderr, "%s[%d]: after reduction, ", YYDEBUGSTR, yydepth);
1267 #ifdef YYSTYPE_TOSTRING
1270 #endif /* YYBTYACC */
1271 fprintf(stderr, "result is <%s>, ", YYSTYPE_TOSTRING(yystos[YYFINAL], yyval));
1273 fprintf(stderr, "shifting from state 0 to final state %d\n", YYFINAL);
1277 *++yystack.s_mark = YYFINAL;
1278 *++yystack.l_mark = yyval;
1279 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1280 *++yystack.p_mark = yyloc;
1288 /* we're currently re-reading tokens */
1290 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1298 /* in trial mode; save scanner results for future parse attempts */
1299 if (yylvp == yylvlim)
1300 { /* Enlarge lexical value queue */
1301 size_t p = (size_t) (yylvp - yylvals);
1302 size_t s = (size_t) (yylvlim - yylvals);
1304 s += YYLVQUEUEGROWTH;
1305 if ((yylexemes = realloc(yylexemes, s * sizeof(YYINT))) == NULL)
1307 if ((yylvals = realloc(yylvals, s * sizeof(YYSTYPE))) == NULL)
1309 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1310 if ((yylpsns = realloc(yylpsns, s * sizeof(YYLTYPE))) == NULL)
1313 yylvp = yylve = yylvals + p;
1314 yylvlim = yylvals + s;
1315 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1316 yylpp = yylpe = yylpsns + p;
1317 yylplim = yylpsns + s;
1319 yylexp = yylexemes + p;
1321 *yylexp = (YYINT) YYLEX;
1324 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1331 /* normal operation, no conflict encountered */
1332 #endif /* YYBTYACC */
1336 #endif /* YYBTYACC */
1337 if (yychar < 0) yychar = YYEOF;
1341 if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
1342 fprintf(stderr, "%s[%d]: state %d, reading token %d (%s)\n",
1343 YYDEBUGSTR, yydepth, YYFINAL, yychar, yys);
1347 if (yychar == YYEOF) goto yyaccept;
1350 if (((yyn = yygindex[yym]) != 0) && (yyn += yystate) >= 0 &&
1351 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yystate)
1352 yystate = yytable[yyn];
1354 yystate = yydgoto[yym];
1358 fprintf(stderr, "%s[%d]: after reduction, ", YYDEBUGSTR, yydepth);
1359 #ifdef YYSTYPE_TOSTRING
1362 #endif /* YYBTYACC */
1363 fprintf(stderr, "result is <%s>, ", YYSTYPE_TOSTRING(yystos[yystate], yyval));
1365 fprintf(stderr, "shifting from state %d to state %d\n", *yystack.s_mark, yystate);
1368 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
1369 *++yystack.s_mark = (YYINT) yystate;
1370 *++yystack.l_mark = yyval;
1371 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1372 *++yystack.p_mark = yyloc;
1377 /* Reduction declares that this path is valid. Set yypath and do a full parse */
1379 if (yypath) YYABORT;
1382 YYParseState *save = yyps->save;
1383 yyps->save = save->save;
1384 save->save = yypath;
1389 fprintf(stderr, "%s[%d]: state %d, CONFLICT trial successful, backtracking to state %d, %d tokens\n",
1390 YYDEBUGSTR, yydepth, yystate, yypath->state, (int)(yylvp - yylvals - yypath->lexeme));
1394 yyFreeState(yyerrctx);
1397 yylvp = yylvals + yypath->lexeme;
1398 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1399 yylpp = yylpsns + yypath->lexeme;
1401 yylexp = yylexemes + yypath->lexeme;
1403 yystack.s_mark = yystack.s_base + (yypath->yystack.s_mark - yypath->yystack.s_base);
1404 memcpy (yystack.s_base, yypath->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT));
1405 yystack.l_mark = yystack.l_base + (yypath->yystack.l_mark - yypath->yystack.l_base);
1406 memcpy (yystack.l_base, yypath->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
1407 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1408 yystack.p_mark = yystack.p_base + (yypath->yystack.p_mark - yypath->yystack.p_base);
1409 memcpy (yystack.p_base, yypath->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
1411 yystate = yypath->state;
1413 #endif /* YYBTYACC */
1416 YYERROR_CALL("yacc stack overflow");
1420 YYERROR_CALL("memory exhausted");
1422 #endif /* YYBTYACC */
1432 if (yyps->save) goto yyvalid;
1433 #endif /* YYBTYACC */
1437 #if defined(YYDESTRUCT_CALL)
1438 if (yychar != YYEOF && yychar != YYEMPTY)
1439 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1440 YYDESTRUCT_CALL("cleanup: discarding token", yychar, &yylval, &yylloc);
1442 YYDESTRUCT_CALL("cleanup: discarding token", yychar, &yylval);
1443 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
1447 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1450 for (pv = yystack.l_base, pp = yystack.p_base; pv <= yystack.l_mark; ++pv, ++pp)
1451 YYDESTRUCT_CALL("cleanup: discarding state",
1452 yystos[*(yystack.s_base + (pv - yystack.l_base))], pv, pp);
1454 for (pv = yystack.l_base; pv <= yystack.l_mark; ++pv)
1455 YYDESTRUCT_CALL("cleanup: discarding state",
1456 yystos[*(yystack.s_base + (pv - yystack.l_base))], pv);
1457 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
1459 #endif /* defined(YYDESTRUCT_CALL) */
1464 yyFreeState(yyerrctx);
1469 YYParseState *save = yyps;
1476 YYParseState *save = yypath;
1477 yypath = save->save;
1481 #endif /* YYBTYACC */
1482 yyfreestack(&yystack);