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 calc3_parse
25 #define yylex calc3_lex
29 #define yyerror calc3_error
33 #define yychar calc3_char
37 #define yyval calc3_val
41 #define yylval calc3_lval
45 #define yydebug calc3_debug
49 #define yynerrs calc3_nerrs
53 #define yyerrflag calc3_errflag
54 #endif /* yyerrflag */
57 #define yylhs calc3_lhs
61 #define yylen calc3_len
65 #define yydefred calc3_defred
69 #define yystos calc3_stos
73 #define yydgoto calc3_dgoto
77 #define yysindex calc3_sindex
81 #define yyrindex calc3_rindex
85 #define yygindex calc3_gindex
89 #define yytable calc3_table
93 #define yycheck calc3_check
97 #define yyname calc3_name
101 #define yyrule calc3_rule
107 #define yycindex calc3_cindex
108 #endif /* yycindex */
111 #define yyctable calc3_ctable
112 #endif /* yyctable */
114 #endif /* YYBTYACC */
116 #define YYPREFIX "calc3_"
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)
130 static void YYERROR_DECL();
133 #line 134 "calc3.tab.c"
135 #if ! defined(YYSTYPE) && ! defined(YYSTYPE_IS_DECLARED)
136 /* Default: YYSTYPE is the semantic value type. */
138 # define YYSTYPE_IS_DECLARED 1
141 /* compatibility with bison */
143 /* compatibility with FreeBSD */
144 # ifdef YYPARSE_PARAM_TYPE
145 # define YYPARSE_DECL() yyparse(YYPARSE_PARAM_TYPE YYPARSE_PARAM)
147 # define YYPARSE_DECL() yyparse(void *YYPARSE_PARAM)
150 # define YYPARSE_DECL() yyparse(int regs[26], int *base)
153 /* Parameters sent to lex. */
155 # ifdef YYLEX_PARAM_TYPE
156 # define YYLEX_DECL() yylex(YYSTYPE *yylval, YYLEX_PARAM_TYPE YYLEX_PARAM)
158 # define YYLEX_DECL() yylex(YYSTYPE *yylval, void * YYLEX_PARAM)
160 # define YYLEX yylex(&yylval, YYLEX_PARAM)
162 # define YYLEX_DECL() yylex(YYSTYPE *yylval, int *base)
163 # define YYLEX yylex(&yylval, base)
166 /* Parameters sent to yyerror. */
168 #define YYERROR_DECL() yyerror(int regs[26], int *base, const char *s)
171 #define YYERROR_CALL(msg) yyerror(regs, base, msg)
174 extern int YYPARSE_DECL();
179 #define YYERRCODE 256
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,
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,
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,
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,
202 #endif /* YYDESTRUCT_CALL || YYSTYPE_TOSTRING */
203 static const YYINT calc3_dgoto[] = { 1,
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,
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,
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,
226 static const YYINT calc3_gindex[] = { 0,
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,
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,
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,
308 #define YYMAXTOKEN 259
309 #define YYUNDFTOKEN 265
310 #define YYTRANSLATE(a) ((a) > YYMAXTOKEN ? YYUNDFTOKEN : (a))
312 static const char *const calc3_name[] = {
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",
324 static const char *const calc3_rule[] = {
327 "list : list stat '\\n'",
328 "list : list error '\\n'",
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",
343 "number : number DIGIT",
351 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
352 #ifndef YYLLOC_DEFAULT
353 #define YYLLOC_DEFAULT(loc, rhs, n) \
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; \
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; \
371 #endif /* YYLLOC_DEFAULT */
372 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
375 #ifndef YYLVQUEUEGROWTH
376 #define YYLVQUEUEGROWTH 32
378 #endif /* YYBTYACC */
380 /* define the initial stack-sizes */
383 #define YYMAXDEPTH YYSTACKSIZE
386 #define YYSTACKSIZE YYMAXDEPTH
388 #define YYSTACKSIZE 10000
389 #define YYMAXDEPTH 10000
393 #ifndef YYINITSTACKSIZE
394 #define YYINITSTACKSIZE 200
404 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
411 struct YYParseState_s
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 */
420 typedef struct YYParseState_s YYParseState;
421 #endif /* YYBTYACC */
423 /* start of programs */
426 extern int YYLEX_DECL();
435 while(!feof(stdin)) {
436 yyparse(regs, &base);
441 #define UNUSED(x) ((void)(x))
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);
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 */
461 while( (c=getchar()) == ' ' ) { /* skip blanks */ }
463 /* c is now nonblank */
470 *yylval = (c - '0') % (*base);
475 #line 476 "calc3.tab.c"
477 /* For use in generated program */
478 #define yydepth (int)(yystack.s_mark - yystack.s_base)
480 #define yytrial (yyps->save)
481 #endif /* YYBTYACC */
484 #include <stdio.h> /* needed for printf */
487 #include <stdlib.h> /* needed for malloc, etc */
488 #include <string.h> /* needed for memset */
490 /* allocate initial stack or double stack size, up to YYMAXDEPTH */
491 static int yygrowstack(YYSTACKDATA *data)
497 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
501 if ((newsize = data->stacksize) == 0)
502 newsize = YYINITSTACKSIZE;
503 else if (newsize >= YYMAXDEPTH)
505 else if ((newsize *= 2) > YYMAXDEPTH)
506 newsize = YYMAXDEPTH;
508 i = (int) (data->s_mark - data->s_base);
509 newss = (YYINT *)realloc(data->s_base, newsize * sizeof(*newss));
513 data->s_base = newss;
514 data->s_mark = newss + i;
516 newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs));
520 data->l_base = newvs;
521 data->l_mark = newvs + i;
523 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
524 newps = (YYLTYPE *)realloc(data->p_base, newsize * sizeof(*newps));
528 data->p_base = newps;
529 data->p_mark = newps + i;
532 data->stacksize = newsize;
533 data->s_last = data->s_base + newsize - 1;
537 fprintf(stderr, "%sdebug: stack size increased to %d\n", YYPREFIX, newsize);
542 #if YYPURE || defined(YY_NO_LEAKS)
543 static void yyfreestack(YYSTACKDATA *data)
547 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
550 memset(data, 0, sizeof(*data));
553 #define yyfreestack(data) /* nothing */
554 #endif /* YYPURE || defined(YY_NO_LEAKS) */
557 static YYParseState *
558 yyNewState(unsigned size)
560 YYParseState *p = (YYParseState *) malloc(sizeof(YYParseState));
561 if (p == NULL) return NULL;
563 p->yystack.stacksize = size;
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;
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));
588 yyFreeState(YYParseState *p)
590 yyfreestack(&p->yystack);
593 #endif /* YYBTYACC */
595 #define YYABORT goto yyabort
596 #define YYREJECT goto yyabort
597 #define YYACCEPT goto yyaccept
598 #define YYERROR goto yyerrlab
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 */
612 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
613 YYLTYPE yyloc; /* position returned by actions */
614 YYLTYPE yylloc; /* position from the lexer */
617 /* variables for the parser stack */
621 /* Current parser state */
622 static YYParseState *yyps = 0;
624 /* yypath != NULL: do the full parse, starting at *yypath parser state. */
625 static YYParseState *yypath = 0;
627 /* Base of the lexical value queue */
628 static YYSTYPE *yylvals = 0;
630 /* Current position at lexical value queue */
631 static YYSTYPE *yylvp = 0;
633 /* End position of lexical value queue */
634 static YYSTYPE *yylve = 0;
636 /* The last allocated position at the lexical value queue */
637 static YYSTYPE *yylvlim = 0;
639 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
640 /* Base of the lexical position queue */
641 static YYLTYPE *yylpsns = 0;
643 /* Current position at lexical position queue */
644 static YYLTYPE *yylpp = 0;
646 /* End position of lexical position queue */
647 static YYLTYPE *yylpe = 0;
649 /* The last allocated position at the lexical position queue */
650 static YYLTYPE *yylplim = 0;
653 /* Current position at lexical token queue */
654 static YYINT *yylexp = 0;
656 static YYINT *yylexemes = 0;
657 #endif /* YYBTYACC */
658 int yym, yyn, yystate, yyresult;
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 */
669 if ((yys = getenv("YYDEBUG")) != 0)
672 if (yyn >= '0' && yyn <= '9')
676 fprintf(stderr, "%sdebug[<# of symbols on state stack>]\n", YYPREFIX);
680 yyps = yyNewState(0); if (yyps == 0) goto yyenomem;
682 #endif /* YYBTYACC */
691 memset(&yystack, 0, sizeof(yystack));
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;
704 if ((yyn = yydefred[yystate]) != 0) goto yyreduce;
711 /* we're currently re-reading tokens */
713 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
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);
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;
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;
739 yylexp = yylexemes + p;
741 *yylexp = (YYINT) YYLEX;
744 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
751 /* normal operation, no conflict encountered */
752 #endif /* YYBTYACC */
756 #endif /* YYBTYACC */
757 if (yychar < 0) yychar = YYEOF;
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
767 #endif /* YYBTYACC */
768 fprintf(stderr, " <%s>", YYSTYPE_TOSTRING(yychar, yylval));
776 /* Do we have a conflict? */
777 if (((yyn = yycindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
778 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
787 fprintf(stderr, "%s[%d]: CONFLICT in state %d: following successful trial parse\n",
788 YYDEBUGSTR, yydepth, yystate);
790 /* Switch to the next conflict context */
795 if (save->state != yystate) YYABORT;
802 /* Unresolved conflict - start/continue trial parse */
807 fprintf(stderr, "%s[%d]: CONFLICT in state %d. ", YYDEBUGSTR, yydepth, yystate);
809 fputs("ALREADY in conflict, continuing trial parse.\n", stderr);
811 fputs("Starting trial parse.\n", stderr);
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));
828 if (yyctable[ctry] == -1)
831 if (yydebug && yychar >= YYEOF)
832 fprintf(stderr, "%s[%d]: backtracking 1 token\n", YYDEBUGSTR, yydepth);
837 if (yyps->save == NULL)
839 /* If this is a first conflict in the stack, start saving lexemes */
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;
855 yylvp = yylve = yylvals;
856 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
857 yylpp = yylpe = yylpsns;
863 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
866 *yylexp = (YYINT) yychar;
874 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
880 save->lexeme = (int) (yylvp - yylvals);
883 if (yytable[yyn] == ctry)
887 fprintf(stderr, "%s[%d]: state %d, shifting to state %d\n",
888 YYDEBUGSTR, yydepth, yystate, yyctable[ctry]);
893 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
898 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM)
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;
907 if (yyerrflag > 0) --yyerrflag;
912 yyn = yyctable[ctry];
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)
922 fprintf(stderr, "%s[%d]: state %d, shifting to state %d\n",
923 YYDEBUGSTR, yydepth, yystate, yytable[yyn]);
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;
933 if (yyerrflag > 0) --yyerrflag;
936 if (((yyn = yyrindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
937 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
942 if (yyerrflag != 0) goto yyinrecovery;
947 goto yyerrlab; /* redundant goto avoids 'unused label' warning */
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;
964 YYParseState *save = yyps->save;
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));
971 /* Memorize most forward-looking error state in case it's really an error. */
972 if (yyerrctx == NULL || yyerrctx->lexeme < yylvp - yylvals)
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));
990 yyerrctx->lexeme = (int) (yylvp - yylvals);
992 yylvp = yylvals + save->lexeme;
993 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
994 yylpp = yylpsns + save->lexeme;
996 yylexp = yylexemes + save->lexeme;
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));
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;
1014 /* Nothing left on the stack -- error */
1019 fprintf(stderr, "%sdebug[%d,trial]: trial parse FAILED, entering ERROR mode\n",
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;
1027 yylexp = yylexemes + yyerrctx->lexeme;
1028 yychar = yylexp[-1];
1030 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
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));
1041 yystate = yyerrctx->state;
1042 yyFreeState(yyerrctx);
1047 if (yynewerrflag == 0) goto yyinrecovery;
1048 #endif /* YYBTYACC */
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 */
1056 goto yyerrlab; /* redundant goto avoids 'unused label' warning */
1067 if (((yyn = yysindex[*yystack.s_mark]) != 0) && (yyn += YYERRCODE) >= 0 &&
1068 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) YYERRCODE)
1072 fprintf(stderr, "%s[%d]: state %d, error recovery shifting to state %d\n",
1073 YYDEBUGSTR, yydepth, *yystack.s_mark, yytable[yyn]);
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;
1091 fprintf(stderr, "%s[%d]: error recovery discarding state %d\n",
1092 YYDEBUGSTR, yydepth, *yystack.s_mark);
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;
1099 #if defined(YYDESTRUCT_CALL)
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);
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) */
1113 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1121 if (yychar == YYEOF) goto yyabort;
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);
1130 #if defined(YYDESTRUCT_CALL)
1133 #endif /* YYBTYACC */
1134 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1135 YYDESTRUCT_CALL("error: discarding token", yychar, &yylval, &yylloc);
1137 YYDESTRUCT_CALL("error: discarding token", yychar, &yylval);
1138 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
1139 #endif /* defined(YYDESTRUCT_CALL) */
1149 fprintf(stderr, "%s[%d]: state %d, reducing by rule %d (%s)",
1150 YYDEBUGSTR, yydepth, yystate, yyn, yyrule[yyn]);
1151 #ifdef YYSTYPE_TOSTRING
1154 #endif /* YYBTYACC */
1159 for (i = yym; i > 0; i--)
1161 if (i != yym) fputs(", ", stderr);
1162 fputs(YYSTYPE_TOSTRING(yystos[yystack.s_mark[1-i]],
1163 yystack.l_mark[1-i]), stderr);
1168 fputc('\n', stderr);
1172 yyval = yystack.l_mark[1-yym];
1174 memset(&yyval, 0, sizeof yyval);
1175 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1177 /* Perform position reduction */
1178 memset(&yyloc, 0, sizeof(yyloc));
1181 #endif /* YYBTYACC */
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];
1198 { printf("%d\n",yystack.l_mark[0]);}
1202 { regs[yystack.l_mark[-2]] = yystack.l_mark[0]; }
1206 { yyval = yystack.l_mark[-1]; }
1210 { yyval = yystack.l_mark[-2] + yystack.l_mark[0]; }
1214 { yyval = yystack.l_mark[-2] - yystack.l_mark[0]; }
1218 { yyval = yystack.l_mark[-2] * yystack.l_mark[0]; }
1222 { yyval = yystack.l_mark[-2] / yystack.l_mark[0]; }
1226 { yyval = yystack.l_mark[-2] % yystack.l_mark[0]; }
1230 { yyval = yystack.l_mark[-2] & yystack.l_mark[0]; }
1234 { yyval = yystack.l_mark[-2] | yystack.l_mark[0]; }
1238 { yyval = - yystack.l_mark[0]; }
1242 { yyval = regs[yystack.l_mark[0]]; }
1246 { yyval = yystack.l_mark[0]; (*base) = (yystack.l_mark[0]==0) ? 8 : 10; }
1250 { yyval = (*base) * yystack.l_mark[-1] + yystack.l_mark[0]; }
1252 #line 1253 "calc3.tab.c"
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;
1263 if (yystate == 0 && yym == 0)
1268 fprintf(stderr, "%s[%d]: after reduction, ", YYDEBUGSTR, yydepth);
1269 #ifdef YYSTYPE_TOSTRING
1272 #endif /* YYBTYACC */
1273 fprintf(stderr, "result is <%s>, ", YYSTYPE_TOSTRING(yystos[YYFINAL], yyval));
1275 fprintf(stderr, "shifting from state 0 to final state %d\n", YYFINAL);
1279 *++yystack.s_mark = YYFINAL;
1280 *++yystack.l_mark = yyval;
1281 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1282 *++yystack.p_mark = yyloc;
1290 /* we're currently re-reading tokens */
1292 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
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);
1306 s += YYLVQUEUEGROWTH;
1307 if ((yylexemes = realloc(yylexemes, s * sizeof(YYINT))) == NULL)
1309 if ((yylvals = realloc(yylvals, s * sizeof(YYSTYPE))) == NULL)
1311 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1312 if ((yylpsns = realloc(yylpsns, s * sizeof(YYLTYPE))) == NULL)
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;
1321 yylexp = yylexemes + p;
1323 *yylexp = (YYINT) YYLEX;
1326 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1333 /* normal operation, no conflict encountered */
1334 #endif /* YYBTYACC */
1338 #endif /* YYBTYACC */
1339 if (yychar < 0) yychar = YYEOF;
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);
1349 if (yychar == YYEOF) goto yyaccept;
1352 if (((yyn = yygindex[yym]) != 0) && (yyn += yystate) >= 0 &&
1353 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yystate)
1354 yystate = yytable[yyn];
1356 yystate = yydgoto[yym];
1360 fprintf(stderr, "%s[%d]: after reduction, ", YYDEBUGSTR, yydepth);
1361 #ifdef YYSTYPE_TOSTRING
1364 #endif /* YYBTYACC */
1365 fprintf(stderr, "result is <%s>, ", YYSTYPE_TOSTRING(yystos[yystate], yyval));
1367 fprintf(stderr, "shifting from state %d to state %d\n", *yystack.s_mark, yystate);
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;
1379 /* Reduction declares that this path is valid. Set yypath and do a full parse */
1381 if (yypath) YYABORT;
1384 YYParseState *save = yyps->save;
1385 yyps->save = save->save;
1386 save->save = yypath;
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));
1396 yyFreeState(yyerrctx);
1399 yylvp = yylvals + yypath->lexeme;
1400 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1401 yylpp = yylpsns + yypath->lexeme;
1403 yylexp = yylexemes + yypath->lexeme;
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));
1413 yystate = yypath->state;
1415 #endif /* YYBTYACC */
1418 YYERROR_CALL("yacc stack overflow");
1422 YYERROR_CALL("memory exhausted");
1424 #endif /* YYBTYACC */
1434 if (yyps->save) goto yyvalid;
1435 #endif /* YYBTYACC */
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);
1444 YYDESTRUCT_CALL("cleanup: discarding token", yychar, &yylval);
1445 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
1449 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
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);
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) */
1461 #endif /* defined(YYDESTRUCT_CALL) */
1466 yyFreeState(yyerrctx);
1471 YYParseState *save = yyps;
1478 YYParseState *save = yypath;
1479 yypath = save->save;
1483 #endif /* YYBTYACC */
1484 yyfreestack(&yystack);