xref: /minix3/external/bsd/byacc/dist/test/btyacc/code_calc.code.c (revision 0a6a1f1d05b60e214de2f05a7310ddd1f0e590e7)
1 /*	$NetBSD: code_calc.code.c,v 1.1.1.1 2015/01/03 22:58:25 christos Exp $	*/
2 
3 /* original parser id follows */
4 /* yysccsid[] = "@(#)yaccpar	1.9 (Berkeley) 02/21/93" */
5 /* (use YYMAJOR/YYMINOR for ifdefs dependent of parser version) */
6 
7 #define YYBYACC 1
8 #define YYMAJOR 1
9 #define YYMINOR 9
10 #define YYCHECK "yyyymmdd"
11 
12 #define YYEMPTY        (-1)
13 #define yyclearin      (yychar = YYEMPTY)
14 #define yyerrok        (yyerrflag = 0)
15 #define YYRECOVERING() (yyerrflag != 0)
16 #define YYENOMEM       (-2)
17 #define YYEOF          0
18 #undef YYBTYACC
19 #define YYBTYACC 0
20 #define YYDEBUGSTR YYPREFIX "debug"
21 
22 #ifndef yyparse
23 #define yyparse    calc_parse
24 #endif /* yyparse */
25 
26 #ifndef yylex
27 #define yylex      calc_lex
28 #endif /* yylex */
29 
30 #ifndef yyerror
31 #define yyerror    calc_error
32 #endif /* yyerror */
33 
34 #ifndef yychar
35 #define yychar     calc_char
36 #endif /* yychar */
37 
38 #ifndef yyval
39 #define yyval      calc_val
40 #endif /* yyval */
41 
42 #ifndef yylval
43 #define yylval     calc_lval
44 #endif /* yylval */
45 
46 #ifndef yydebug
47 #define yydebug    calc_debug
48 #endif /* yydebug */
49 
50 #ifndef yynerrs
51 #define yynerrs    calc_nerrs
52 #endif /* yynerrs */
53 
54 #ifndef yyerrflag
55 #define yyerrflag  calc_errflag
56 #endif /* yyerrflag */
57 
58 #ifndef yylhs
59 #define yylhs      calc_lhs
60 #endif /* yylhs */
61 
62 #ifndef yylen
63 #define yylen      calc_len
64 #endif /* yylen */
65 
66 #ifndef yydefred
67 #define yydefred   calc_defred
68 #endif /* yydefred */
69 
70 #ifndef yystos
71 #define yystos     calc_stos
72 #endif /* yystos */
73 
74 #ifndef yydgoto
75 #define yydgoto    calc_dgoto
76 #endif /* yydgoto */
77 
78 #ifndef yysindex
79 #define yysindex   calc_sindex
80 #endif /* yysindex */
81 
82 #ifndef yyrindex
83 #define yyrindex   calc_rindex
84 #endif /* yyrindex */
85 
86 #ifndef yygindex
87 #define yygindex   calc_gindex
88 #endif /* yygindex */
89 
90 #ifndef yytable
91 #define yytable    calc_table
92 #endif /* yytable */
93 
94 #ifndef yycheck
95 #define yycheck    calc_check
96 #endif /* yycheck */
97 
98 #ifndef yyname
99 #define yyname     calc_name
100 #endif /* yyname */
101 
102 #ifndef yyrule
103 #define yyrule     calc_rule
104 #endif /* yyrule */
105 
106 #if YYBTYACC
107 
108 #ifndef yycindex
109 #define yycindex   calc_cindex
110 #endif /* yycindex */
111 
112 #ifndef yyctable
113 #define yyctable   calc_ctable
114 #endif /* yyctable */
115 
116 #endif /* YYBTYACC */
117 
118 #define YYPREFIX "calc_"
119 
120 #define YYPURE 0
121 
122 #line 2 "code_calc.y"
123 # include <stdio.h>
124 # include <ctype.h>
125 
126 int regs[26];
127 int base;
128 
129 #ifdef YYBISON
130 int yylex(void);
131 static void yyerror(const char *s);
132 #endif
133 
134 #line 133 "code_calc.code.c"
135 
136 #if ! defined(YYSTYPE) && ! defined(YYSTYPE_IS_DECLARED)
137 /* Default: YYSTYPE is the semantic value type. */
138 typedef int YYSTYPE;
139 # define YYSTYPE_IS_DECLARED 1
140 #endif
141 
142 /* compatibility with bison */
143 #ifdef YYPARSE_PARAM
144 /* compatibility with FreeBSD */
145 # ifdef YYPARSE_PARAM_TYPE
146 #  define YYPARSE_DECL() yyparse(YYPARSE_PARAM_TYPE YYPARSE_PARAM)
147 # else
148 #  define YYPARSE_DECL() yyparse(void *YYPARSE_PARAM)
149 # endif
150 #else
151 # define YYPARSE_DECL() yyparse(void)
152 #endif
153 
154 /* Parameters sent to lex. */
155 #ifdef YYLEX_PARAM
156 # define YYLEX_DECL() yylex(void *YYLEX_PARAM)
157 # define YYLEX yylex(YYLEX_PARAM)
158 #else
159 # define YYLEX_DECL() yylex(void)
160 # define YYLEX yylex()
161 #endif
162 
163 /* Parameters sent to yyerror. */
164 #ifndef YYERROR_DECL
165 #define YYERROR_DECL() yyerror(const char *s)
166 #endif
167 #ifndef YYERROR_CALL
168 #define YYERROR_CALL(msg) yyerror(msg)
169 #endif
170 
171 #define DIGIT 257
172 #define LETTER 258
173 #define UMINUS 259
174 #define YYERRCODE 256
175 #define YYTABLESIZE 220
176 #define YYFINAL 1
177 #ifndef YYDEBUG
178 #define YYDEBUG 0
179 #endif
180 #define YYMAXTOKEN 259
181 #define YYUNDFTOKEN 265
182 #define YYTRANSLATE(a) ((a) > YYMAXTOKEN ? YYUNDFTOKEN : (a))
183 
184 extern int YYPARSE_DECL();
185 typedef short YYINT;
186 extern const YYINT yylhs[];
187 extern const YYINT yylen[];
188 extern const YYINT yydefred[];
189 extern const YYINT yystos[];
190 extern const YYINT yydgoto[];
191 extern const YYINT yysindex[];
192 extern const YYINT yyrindex[];
193 #if YYBTYACC
194 extern const YYINT yycindex[];
195 #endif /* YYBTYACC */
196 extern const YYINT yygindex[];
197 extern const YYINT yytable[];
198 extern const YYINT yycheck[];
199 #if YYBTYACC
200 extern const YYINT yyctable[];
201 #endif /* YYBTYACC */
202 
203 #if YYDEBUG
204 extern const char *const yyname[];
205 extern const char *const yyrule[];
206 #endif
207 
208 int      yydebug;
209 int      yynerrs;
210 
211 int      yyerrflag;
212 int      yychar;
213 YYSTYPE  yyval;
214 YYSTYPE  yylval;
215 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
216 YYLTYPE  yyloc; /* position returned by actions */
217 YYLTYPE  yylloc; /* position from the lexer */
218 #endif
219 
220 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
221 #ifndef YYLLOC_DEFAULT
222 #define YYLLOC_DEFAULT(loc, rhs, n) \
223 do \
224 { \
225     if (n == 0) \
226     { \
227         (loc).first_line   = ((rhs)[-1]).last_line; \
228         (loc).first_column = ((rhs)[-1]).last_column; \
229         (loc).last_line    = ((rhs)[-1]).last_line; \
230         (loc).last_column  = ((rhs)[-1]).last_column; \
231     } \
232     else \
233     { \
234         (loc).first_line   = ((rhs)[ 0 ]).first_line; \
235         (loc).first_column = ((rhs)[ 0 ]).first_column; \
236         (loc).last_line    = ((rhs)[n-1]).last_line; \
237         (loc).last_column  = ((rhs)[n-1]).last_column; \
238     } \
239 } while (0)
240 #endif /* YYLLOC_DEFAULT */
241 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
242 #if YYBTYACC
243 
244 #ifndef YYLVQUEUEGROWTH
245 #define YYLVQUEUEGROWTH 32
246 #endif
247 #endif /* YYBTYACC */
248 
249 /* define the initial stack-sizes */
250 #ifdef YYSTACKSIZE
251 #undef YYMAXDEPTH
252 #define YYMAXDEPTH  YYSTACKSIZE
253 #else
254 #ifdef YYMAXDEPTH
255 #define YYSTACKSIZE YYMAXDEPTH
256 #else
257 #define YYSTACKSIZE 10000
258 #define YYMAXDEPTH  10000
259 #endif
260 #endif
261 
262 #ifndef YYINITSTACKSIZE
263 #define YYINITSTACKSIZE 200
264 #endif
265 
266 typedef struct {
267     unsigned stacksize;
268     short    *s_base;
269     short    *s_mark;
270     short    *s_last;
271     YYSTYPE  *l_base;
272     YYSTYPE  *l_mark;
273 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
274     YYLTYPE  *p_base;
275     YYLTYPE  *p_mark;
276 #endif
277 } YYSTACKDATA;
278 #if YYBTYACC
279 
280 struct YYParseState_s
281 {
282     struct YYParseState_s *save;    /* Previously saved parser state */
283     YYSTACKDATA            yystack; /* saved parser stack */
284     int                    state;   /* saved parser state */
285     int                    errflag; /* saved error recovery status */
286     int                    lexeme;  /* saved index of the conflict lexeme in the lexical queue */
287     YYINT                  ctry;    /* saved index in yyctable[] for this conflict */
288 };
289 typedef struct YYParseState_s YYParseState;
290 #endif /* YYBTYACC */
291 /* variables for the parser stack */
292 static YYSTACKDATA yystack;
293 #if YYBTYACC
294 
295 /* Current parser state */
296 static YYParseState *yyps = 0;
297 
298 /* yypath != NULL: do the full parse, starting at *yypath parser state. */
299 static YYParseState *yypath = 0;
300 
301 /* Base of the lexical value queue */
302 static YYSTYPE *yylvals = 0;
303 
304 /* Current position at lexical value queue */
305 static YYSTYPE *yylvp = 0;
306 
307 /* End position of lexical value queue */
308 static YYSTYPE *yylve = 0;
309 
310 /* The last allocated position at the lexical value queue */
311 static YYSTYPE *yylvlim = 0;
312 
313 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
314 /* Base of the lexical position queue */
315 static YYLTYPE *yylpsns = 0;
316 
317 /* Current position at lexical position queue */
318 static YYLTYPE *yylpp = 0;
319 
320 /* End position of lexical position queue */
321 static YYLTYPE *yylpe = 0;
322 
323 /* The last allocated position at the lexical position queue */
324 static YYLTYPE *yylplim = 0;
325 #endif
326 
327 /* Current position at lexical token queue */
328 static short  *yylexp = 0;
329 
330 static short  *yylexemes = 0;
331 #endif /* YYBTYACC */
332 #line 68 "code_calc.y"
333  /* start of programs */
334 
335 #ifdef YYBYACC
336 extern int YYLEX_DECL();
337 #endif
338 
339 int
main(void)340 main (void)
341 {
342     while(!feof(stdin)) {
343 	yyparse();
344     }
345     return 0;
346 }
347 
348 static void
yyerror(const char * s)349 yyerror(const char *s)
350 {
351     fprintf(stderr, "%s\n", s);
352 }
353 
354 int
yylex(void)355 yylex(void)
356 {
357 	/* lexical analysis routine */
358 	/* returns LETTER for a lower case letter, yylval = 0 through 25 */
359 	/* return DIGIT for a digit, yylval = 0 through 9 */
360 	/* all other characters are returned immediately */
361 
362     int c;
363 
364     while( (c=getchar()) == ' ' )   { /* skip blanks */ }
365 
366     /* c is now nonblank */
367 
368     if( islower( c )) {
369 	yylval = c - 'a';
370 	return ( LETTER );
371     }
372     if( isdigit( c )) {
373 	yylval = c - '0';
374 	return ( DIGIT );
375     }
376     return( c );
377 }
378 #line 377 "code_calc.code.c"
379 
380 /* For use in generated program */
381 #define yydepth (int)(yystack.s_mark - yystack.s_base)
382 #if YYBTYACC
383 #define yytrial (yyps->save)
384 #endif /* YYBTYACC */
385 
386 #if YYDEBUG
387 #include <stdio.h>         /* needed for printf */
388 #endif
389 
390 #include <stdlib.h>        /* needed for malloc, etc */
391 #include <string.h>        /* needed for memset */
392 
393 /* allocate initial stack or double stack size, up to YYMAXDEPTH */
yygrowstack(YYSTACKDATA * data)394 static int yygrowstack(YYSTACKDATA *data)
395 {
396     int i;
397     unsigned newsize;
398     short *newss;
399     YYSTYPE *newvs;
400 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
401     YYLTYPE *newps;
402 #endif
403 
404     if ((newsize = data->stacksize) == 0)
405         newsize = YYINITSTACKSIZE;
406     else if (newsize >= YYMAXDEPTH)
407         return YYENOMEM;
408     else if ((newsize *= 2) > YYMAXDEPTH)
409         newsize = YYMAXDEPTH;
410 
411     i = (int) (data->s_mark - data->s_base);
412     newss = (short *)realloc(data->s_base, newsize * sizeof(*newss));
413     if (newss == 0)
414         return YYENOMEM;
415 
416     data->s_base = newss;
417     data->s_mark = newss + i;
418 
419     newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs));
420     if (newvs == 0)
421         return YYENOMEM;
422 
423     data->l_base = newvs;
424     data->l_mark = newvs + i;
425 
426 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
427     newps = (YYLTYPE *)realloc(data->p_base, newsize * sizeof(*newps));
428     if (newps == 0)
429         return YYENOMEM;
430 
431     data->p_base = newps;
432     data->p_mark = newps + i;
433 #endif
434 
435     data->stacksize = newsize;
436     data->s_last = data->s_base + newsize - 1;
437 
438 #if YYDEBUG
439     if (yydebug)
440         fprintf(stderr, "%sdebug: stack size increased to %d\n", YYPREFIX, newsize);
441 #endif
442     return 0;
443 }
444 
445 #if YYPURE || defined(YY_NO_LEAKS)
yyfreestack(YYSTACKDATA * data)446 static void yyfreestack(YYSTACKDATA *data)
447 {
448     free(data->s_base);
449     free(data->l_base);
450 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
451     free(data->p_base);
452 #endif
453     memset(data, 0, sizeof(*data));
454 }
455 #else
456 #define yyfreestack(data) /* nothing */
457 #endif /* YYPURE || defined(YY_NO_LEAKS) */
458 #if YYBTYACC
459 
460 static YYParseState *
yyNewState(unsigned size)461 yyNewState(unsigned size)
462 {
463     YYParseState *p = (YYParseState *) malloc(sizeof(YYParseState));
464     if (p == NULL) return NULL;
465 
466     p->yystack.stacksize = size;
467     if (size == 0)
468     {
469         p->yystack.s_base = NULL;
470         p->yystack.l_base = NULL;
471 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
472         p->yystack.p_base = NULL;
473 #endif
474         return p;
475     }
476     p->yystack.s_base    = (short *) malloc(size * sizeof(short));
477     if (p->yystack.s_base == NULL) return NULL;
478     p->yystack.l_base    = (YYSTYPE *) malloc(size * sizeof(YYSTYPE));
479     if (p->yystack.l_base == NULL) return NULL;
480     memset(p->yystack.l_base, 0, size * sizeof(YYSTYPE));
481 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
482     p->yystack.p_base    = (YYLTYPE *) malloc(size * sizeof(YYLTYPE));
483     if (p->yystack.p_base == NULL) return NULL;
484     memset(p->yystack.p_base, 0, size * sizeof(YYLTYPE));
485 #endif
486 
487     return p;
488 }
489 
490 static void
yyFreeState(YYParseState * p)491 yyFreeState(YYParseState *p)
492 {
493     yyfreestack(&p->yystack);
494     free(p);
495 }
496 #endif /* YYBTYACC */
497 
498 #define YYABORT  goto yyabort
499 #define YYREJECT goto yyabort
500 #define YYACCEPT goto yyaccept
501 #define YYERROR  goto yyerrlab
502 #if YYBTYACC
503 #define YYVALID        do { if (yyps->save)            goto yyvalid; } while(0)
504 #define YYVALID_NESTED do { if (yyps->save && \
505                                 yyps->save->save == 0) goto yyvalid; } while(0)
506 #endif /* YYBTYACC */
507 
508 int
YYPARSE_DECL()509 YYPARSE_DECL()
510 {
511     int yym, yyn, yystate, yyresult;
512 #if YYBTYACC
513     int yynewerrflag;
514     YYParseState *yyerrctx = NULL;
515 #endif /* YYBTYACC */
516 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
517     YYLTYPE  yyerror_loc_range[2]; /* position of error start & end */
518 #endif
519 #if YYDEBUG
520     const char *yys;
521 
522     if ((yys = getenv("YYDEBUG")) != 0)
523     {
524         yyn = *yys;
525         if (yyn >= '0' && yyn <= '9')
526             yydebug = yyn - '0';
527     }
528     if (yydebug)
529         fprintf(stderr, "%sdebug[<# of symbols on state stack>]\n", YYPREFIX);
530 #endif
531 
532 #if YYBTYACC
533     yyps = yyNewState(0); if (yyps == 0) goto yyenomem;
534     yyps->save = 0;
535 #endif /* YYBTYACC */
536     yynerrs = 0;
537     yyerrflag = 0;
538     yychar = YYEMPTY;
539     yystate = 0;
540 
541 #if YYPURE
542     memset(&yystack, 0, sizeof(yystack));
543 #endif
544 
545     if (yystack.s_base == NULL && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
546     yystack.s_mark = yystack.s_base;
547     yystack.l_mark = yystack.l_base;
548 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
549     yystack.p_mark = yystack.p_base;
550 #endif
551     yystate = 0;
552     *yystack.s_mark = 0;
553 
554 yyloop:
555     if ((yyn = yydefred[yystate]) != 0) goto yyreduce;
556     if (yychar < 0)
557     {
558 #if YYBTYACC
559         do {
560         if (yylvp < yylve)
561         {
562             /* we're currently re-reading tokens */
563             yylval = *yylvp++;
564 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
565             yylloc = *yylpp++;
566 #endif
567             yychar = *yylexp++;
568             break;
569         }
570         if (yyps->save)
571         {
572             /* in trial mode; save scanner results for future parse attempts */
573             if (yylvp == yylvlim)
574             {   /* Enlarge lexical value queue */
575                 size_t p = (size_t) (yylvp - yylvals);
576                 size_t s = (size_t) (yylvlim - yylvals);
577 
578                 s += YYLVQUEUEGROWTH;
579                 if ((yylexemes = (short *)   realloc(yylexemes, s * sizeof(short))) == NULL) goto yyenomem;
580                 if ((yylvals   = (YYSTYPE *) realloc(yylvals, s * sizeof(YYSTYPE))) == NULL) goto yyenomem;
581 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
582                 if ((yylpsns   = (YYLTYPE *) realloc(yylpsns, s * sizeof(YYLTYPE))) == NULL) goto yyenomem;
583 #endif
584                 yylvp   = yylve = yylvals + p;
585                 yylvlim = yylvals + s;
586 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
587                 yylpp   = yylpe = yylpsns + p;
588                 yylplim = yylpsns + s;
589 #endif
590                 yylexp  = yylexemes + p;
591             }
592             *yylexp = (short) YYLEX;
593             *yylvp++ = yylval;
594             yylve++;
595 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
596             *yylpp++ = yylloc;
597             yylpe++;
598 #endif
599             yychar = *yylexp++;
600             break;
601         }
602         /* normal operation, no conflict encountered */
603 #endif /* YYBTYACC */
604         yychar = YYLEX;
605 #if YYBTYACC
606         } while (0);
607 #endif /* YYBTYACC */
608         if (yychar < 0) yychar = YYEOF;
609         /* if ((yychar = YYLEX) < 0) yychar = YYEOF; */
610 #if YYDEBUG
611         if (yydebug)
612         {
613             yys = yyname[YYTRANSLATE(yychar)];
614             fprintf(stderr, "%s[%d]: state %d, reading token %d (%s)",
615                             YYDEBUGSTR, yydepth, yystate, yychar, yys);
616 #ifdef YYSTYPE_TOSTRING
617 #if YYBTYACC
618             if (!yytrial)
619 #endif /* YYBTYACC */
620                 fprintf(stderr, " <%s>", YYSTYPE_TOSTRING(yychar, yylval));
621 #endif
622             fputc('\n', stderr);
623         }
624 #endif
625     }
626 #if YYBTYACC
627 
628     /* Do we have a conflict? */
629     if (((yyn = yycindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
630         yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
631     {
632         YYINT ctry;
633 
634         if (yypath)
635         {
636             YYParseState *save;
637 #if YYDEBUG
638             if (yydebug)
639                 fprintf(stderr, "%s[%d]: CONFLICT in state %d: following successful trial parse\n",
640                                 YYDEBUGSTR, yydepth, yystate);
641 #endif
642             /* Switch to the next conflict context */
643             save = yypath;
644             yypath = save->save;
645             save->save = NULL;
646             ctry = save->ctry;
647             if (save->state != yystate) YYABORT;
648             yyFreeState(save);
649 
650         }
651         else
652         {
653 
654             /* Unresolved conflict - start/continue trial parse */
655             YYParseState *save;
656 #if YYDEBUG
657             if (yydebug)
658             {
659                 fprintf(stderr, "%s[%d]: CONFLICT in state %d. ", YYDEBUGSTR, yydepth, yystate);
660                 if (yyps->save)
661                     fputs("ALREADY in conflict, continuing trial parse.\n", stderr);
662                 else
663                     fputs("Starting trial parse.\n", stderr);
664             }
665 #endif
666             save                  = yyNewState((unsigned)(yystack.s_mark - yystack.s_base + 1));
667             if (save == NULL) goto yyenomem;
668             save->save            = yyps->save;
669             save->state           = yystate;
670             save->errflag         = yyerrflag;
671             save->yystack.s_mark  = save->yystack.s_base + (yystack.s_mark - yystack.s_base);
672             memcpy (save->yystack.s_base, yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(short));
673             save->yystack.l_mark  = save->yystack.l_base + (yystack.l_mark - yystack.l_base);
674             memcpy (save->yystack.l_base, yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
675 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
676             save->yystack.p_mark  = save->yystack.p_base + (yystack.p_mark - yystack.p_base);
677             memcpy (save->yystack.p_base, yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
678 #endif
679             ctry                  = yytable[yyn];
680             if (yyctable[ctry] == -1)
681             {
682 #if YYDEBUG
683                 if (yydebug && yychar >= YYEOF)
684                     fprintf(stderr, "%s[%d]: backtracking 1 token\n", YYDEBUGSTR, yydepth);
685 #endif
686                 ctry++;
687             }
688             save->ctry = ctry;
689             if (yyps->save == NULL)
690             {
691                 /* If this is a first conflict in the stack, start saving lexemes */
692                 if (!yylexemes)
693                 {
694                     yylexemes = (short *) malloc((YYLVQUEUEGROWTH) * sizeof(short));
695                     if (yylexemes == NULL) goto yyenomem;
696                     yylvals   = (YYSTYPE *) malloc((YYLVQUEUEGROWTH) * sizeof(YYSTYPE));
697                     if (yylvals == NULL) goto yyenomem;
698                     yylvlim   = yylvals + YYLVQUEUEGROWTH;
699 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
700                     yylpsns   = (YYLTYPE *) malloc((YYLVQUEUEGROWTH) * sizeof(YYLTYPE));
701                     if (yylpsns == NULL) goto yyenomem;
702                     yylplim   = yylpsns + YYLVQUEUEGROWTH;
703 #endif
704                 }
705                 if (yylvp == yylve)
706                 {
707                     yylvp  = yylve = yylvals;
708 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
709                     yylpp  = yylpe = yylpsns;
710 #endif
711                     yylexp = yylexemes;
712                     if (yychar >= YYEOF)
713                     {
714                         *yylve++ = yylval;
715 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
716                         *yylpe++ = yylloc;
717 #endif
718                         *yylexp  = (short) yychar;
719                         yychar   = YYEMPTY;
720                     }
721                 }
722             }
723             if (yychar >= YYEOF)
724             {
725                 yylvp--;
726 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
727                 yylpp--;
728 #endif
729                 yylexp--;
730                 yychar = YYEMPTY;
731             }
732             save->lexeme = (int) (yylvp - yylvals);
733             yyps->save   = save;
734         }
735         if (yytable[yyn] == ctry)
736         {
737 #if YYDEBUG
738             if (yydebug)
739                 fprintf(stderr, "%s[%d]: state %d, shifting to state %d\n",
740                                 YYDEBUGSTR, yydepth, yystate, yyctable[ctry]);
741 #endif
742             if (yychar < 0)
743             {
744                 yylvp++;
745 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
746                 yylpp++;
747 #endif
748                 yylexp++;
749             }
750             if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM)
751                 goto yyoverflow;
752             yystate = yyctable[ctry];
753             *++yystack.s_mark = (short) yystate;
754             *++yystack.l_mark = yylval;
755 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
756             *++yystack.p_mark = yylloc;
757 #endif
758             yychar  = YYEMPTY;
759             if (yyerrflag > 0) --yyerrflag;
760             goto yyloop;
761         }
762         else
763         {
764             yyn = yyctable[ctry];
765             goto yyreduce;
766         }
767     } /* End of code dealing with conflicts */
768 #endif /* YYBTYACC */
769     if (((yyn = yysindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
770             yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
771     {
772 #if YYDEBUG
773         if (yydebug)
774             fprintf(stderr, "%s[%d]: state %d, shifting to state %d\n",
775                             YYDEBUGSTR, yydepth, yystate, yytable[yyn]);
776 #endif
777         if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
778         yystate = yytable[yyn];
779         *++yystack.s_mark = yytable[yyn];
780         *++yystack.l_mark = yylval;
781 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
782         *++yystack.p_mark = yylloc;
783 #endif
784         yychar = YYEMPTY;
785         if (yyerrflag > 0)  --yyerrflag;
786         goto yyloop;
787     }
788     if (((yyn = yyrindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
789             yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
790     {
791         yyn = yytable[yyn];
792         goto yyreduce;
793     }
794     if (yyerrflag != 0) goto yyinrecovery;
795 #if YYBTYACC
796 
797     yynewerrflag = 1;
798     goto yyerrhandler;
799     goto yyerrlab;
800 
801 yyerrlab:
802     yynewerrflag = 0;
803 yyerrhandler:
804     while (yyps->save)
805     {
806         int ctry;
807         YYParseState *save = yyps->save;
808 #if YYDEBUG
809         if (yydebug)
810             fprintf(stderr, "%s[%d]: ERROR in state %d, CONFLICT BACKTRACKING to state %d, %d tokens\n",
811                             YYDEBUGSTR, yydepth, yystate, yyps->save->state,
812                     (int)(yylvp - yylvals - yyps->save->lexeme));
813 #endif
814         /* Memorize most forward-looking error state in case it's really an error. */
815         if (yyerrctx == NULL || yyerrctx->lexeme < yylvp - yylvals)
816         {
817             /* Free old saved error context state */
818             if (yyerrctx) yyFreeState(yyerrctx);
819             /* Create and fill out new saved error context state */
820             yyerrctx                 = yyNewState((unsigned)(yystack.s_mark - yystack.s_base + 1));
821             if (yyerrctx == NULL) goto yyenomem;
822             yyerrctx->save           = yyps->save;
823             yyerrctx->state          = yystate;
824             yyerrctx->errflag        = yyerrflag;
825             yyerrctx->yystack.s_mark = yyerrctx->yystack.s_base + (yystack.s_mark - yystack.s_base);
826             memcpy (yyerrctx->yystack.s_base, yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(short));
827             yyerrctx->yystack.l_mark = yyerrctx->yystack.l_base + (yystack.l_mark - yystack.l_base);
828             memcpy (yyerrctx->yystack.l_base, yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
829 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
830             yyerrctx->yystack.p_mark = yyerrctx->yystack.p_base + (yystack.p_mark - yystack.p_base);
831             memcpy (yyerrctx->yystack.p_base, yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
832 #endif
833             yyerrctx->lexeme         = (int) (yylvp - yylvals);
834         }
835         yylvp          = yylvals   + save->lexeme;
836 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
837         yylpp          = yylpsns   + save->lexeme;
838 #endif
839         yylexp         = yylexemes + save->lexeme;
840         yychar         = YYEMPTY;
841         yystack.s_mark = yystack.s_base + (save->yystack.s_mark - save->yystack.s_base);
842         memcpy (yystack.s_base, save->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(short));
843         yystack.l_mark = yystack.l_base + (save->yystack.l_mark - save->yystack.l_base);
844         memcpy (yystack.l_base, save->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
845 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
846         yystack.p_mark = yystack.p_base + (save->yystack.p_mark - save->yystack.p_base);
847         memcpy (yystack.p_base, save->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
848 #endif
849         ctry           = ++save->ctry;
850         yystate        = save->state;
851         /* We tried shift, try reduce now */
852         if ((yyn = yyctable[ctry]) >= 0) goto yyreduce;
853         yyps->save     = save->save;
854         save->save     = NULL;
855         yyFreeState(save);
856 
857         /* Nothing left on the stack -- error */
858         if (!yyps->save)
859         {
860 #if YYDEBUG
861             if (yydebug)
862                 fprintf(stderr, "%sdebug[%d,trial]: trial parse FAILED, entering ERROR mode\n",
863                                 YYPREFIX, yydepth);
864 #endif
865             /* Restore state as it was in the most forward-advanced error */
866             yylvp          = yylvals   + yyerrctx->lexeme;
867 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
868             yylpp          = yylpsns   + yyerrctx->lexeme;
869 #endif
870             yylexp         = yylexemes + yyerrctx->lexeme;
871             yychar         = yylexp[-1];
872             yylval         = yylvp[-1];
873 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
874             yylloc         = yylpp[-1];
875 #endif
876             yystack.s_mark = yystack.s_base + (yyerrctx->yystack.s_mark - yyerrctx->yystack.s_base);
877             memcpy (yystack.s_base, yyerrctx->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(short));
878             yystack.l_mark = yystack.l_base + (yyerrctx->yystack.l_mark - yyerrctx->yystack.l_base);
879             memcpy (yystack.l_base, yyerrctx->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
880 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
881             yystack.p_mark = yystack.p_base + (yyerrctx->yystack.p_mark - yyerrctx->yystack.p_base);
882             memcpy (yystack.p_base, yyerrctx->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
883 #endif
884             yystate        = yyerrctx->state;
885             yyFreeState(yyerrctx);
886             yyerrctx       = NULL;
887         }
888         yynewerrflag = 1;
889     }
890     if (yynewerrflag == 0) goto yyinrecovery;
891 #endif /* YYBTYACC */
892 
893     YYERROR_CALL("syntax error");
894 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
895     yyerror_loc_range[0] = yylloc; /* lookahead position is error start position */
896 #endif
897 
898 #if !YYBTYACC
899     goto yyerrlab;
900 yyerrlab:
901 #endif
902     ++yynerrs;
903 
904 yyinrecovery:
905     if (yyerrflag < 3)
906     {
907         yyerrflag = 3;
908         for (;;)
909         {
910             if (((yyn = yysindex[*yystack.s_mark]) != 0) && (yyn += YYERRCODE) >= 0 &&
911                     yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) YYERRCODE)
912             {
913 #if YYDEBUG
914                 if (yydebug)
915                     fprintf(stderr, "%s[%d]: state %d, error recovery shifting to state %d\n",
916                                     YYDEBUGSTR, yydepth, *yystack.s_mark, yytable[yyn]);
917 #endif
918                 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
919                 yystate = yytable[yyn];
920                 *++yystack.s_mark = yytable[yyn];
921                 *++yystack.l_mark = yylval;
922 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
923                 /* lookahead position is error end position */
924                 yyerror_loc_range[1] = yylloc;
925                 YYLLOC_DEFAULT(yyloc, yyerror_loc_range, 2); /* position of error span */
926                 *++yystack.p_mark = yyloc;
927 #endif
928                 goto yyloop;
929             }
930             else
931             {
932 #if YYDEBUG
933                 if (yydebug)
934                     fprintf(stderr, "%s[%d]: error recovery discarding state %d\n",
935                                     YYDEBUGSTR, yydepth, *yystack.s_mark);
936 #endif
937                 if (yystack.s_mark <= yystack.s_base) goto yyabort;
938 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
939                 /* the current TOS position is the error start position */
940                 yyerror_loc_range[0] = *yystack.p_mark;
941 #endif
942 #if defined(YYDESTRUCT_CALL)
943 #if YYBTYACC
944                 if (!yytrial)
945 #endif /* YYBTYACC */
946 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
947                     YYDESTRUCT_CALL("error: discarding state",
948                                     yystos[*yystack.s_mark], yystack.l_mark, yystack.p_mark);
949 #else
950                     YYDESTRUCT_CALL("error: discarding state",
951                                     yystos[*yystack.s_mark], yystack.l_mark);
952 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
953 #endif /* defined(YYDESTRUCT_CALL) */
954                 --yystack.s_mark;
955                 --yystack.l_mark;
956 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
957                 --yystack.p_mark;
958 #endif
959             }
960         }
961     }
962     else
963     {
964         if (yychar == YYEOF) goto yyabort;
965 #if YYDEBUG
966         if (yydebug)
967         {
968             yys = yyname[YYTRANSLATE(yychar)];
969             fprintf(stderr, "%s[%d]: state %d, error recovery discarding token %d (%s)\n",
970                             YYDEBUGSTR, yydepth, yystate, yychar, yys);
971         }
972 #endif
973 #if defined(YYDESTRUCT_CALL)
974 #if YYBTYACC
975         if (!yytrial)
976 #endif /* YYBTYACC */
977 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
978             YYDESTRUCT_CALL("error: discarding token", yychar, &yylval, &yylloc);
979 #else
980             YYDESTRUCT_CALL("error: discarding token", yychar, &yylval);
981 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
982 #endif /* defined(YYDESTRUCT_CALL) */
983         yychar = YYEMPTY;
984         goto yyloop;
985     }
986 
987 yyreduce:
988     yym = yylen[yyn];
989 #if YYDEBUG
990     if (yydebug)
991     {
992         fprintf(stderr, "%s[%d]: state %d, reducing by rule %d (%s)",
993                         YYDEBUGSTR, yydepth, yystate, yyn, yyrule[yyn]);
994 #ifdef YYSTYPE_TOSTRING
995 #if YYBTYACC
996         if (!yytrial)
997 #endif /* YYBTYACC */
998             if (yym > 0)
999             {
1000                 int i;
1001                 fputc('<', stderr);
1002                 for (i = yym; i > 0; i--)
1003                 {
1004                     if (i != yym) fputs(", ", stderr);
1005                     fputs(YYSTYPE_TOSTRING(yystos[yystack.s_mark[1-i]],
1006                                            yystack.l_mark[1-i]), stderr);
1007                 }
1008                 fputc('>', stderr);
1009             }
1010 #endif
1011         fputc('\n', stderr);
1012     }
1013 #endif
1014     if (yym > 0)
1015         yyval = yystack.l_mark[1-yym];
1016     else
1017         memset(&yyval, 0, sizeof yyval);
1018 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1019 
1020     /* Perform position reduction */
1021     memset(&yyloc, 0, sizeof(yyloc));
1022 #if YYBTYACC
1023     if (!yytrial)
1024 #endif /* YYBTYACC */
1025     {
1026         YYLLOC_DEFAULT(yyloc, &yystack.p_mark[1-yym], yym);
1027         /* just in case YYERROR is invoked within the action, save
1028            the start of the rhs as the error start position */
1029         yyerror_loc_range[0] = yystack.p_mark[1-yym];
1030     }
1031 #endif
1032 
1033     switch (yyn)
1034     {
1035 case 3:
1036 #line 30 "code_calc.y"
1037 	{  yyerrok ; }
1038 break;
1039 case 4:
1040 #line 34 "code_calc.y"
1041 	{  printf("%d\n",yystack.l_mark[0]);}
1042 break;
1043 case 5:
1044 #line 36 "code_calc.y"
1045 	{  regs[yystack.l_mark[-2]] = yystack.l_mark[0]; }
1046 break;
1047 case 6:
1048 #line 40 "code_calc.y"
1049 	{  yyval = yystack.l_mark[-1]; }
1050 break;
1051 case 7:
1052 #line 42 "code_calc.y"
1053 	{  yyval = yystack.l_mark[-2] + yystack.l_mark[0]; }
1054 break;
1055 case 8:
1056 #line 44 "code_calc.y"
1057 	{  yyval = yystack.l_mark[-2] - yystack.l_mark[0]; }
1058 break;
1059 case 9:
1060 #line 46 "code_calc.y"
1061 	{  yyval = yystack.l_mark[-2] * yystack.l_mark[0]; }
1062 break;
1063 case 10:
1064 #line 48 "code_calc.y"
1065 	{  yyval = yystack.l_mark[-2] / yystack.l_mark[0]; }
1066 break;
1067 case 11:
1068 #line 50 "code_calc.y"
1069 	{  yyval = yystack.l_mark[-2] % yystack.l_mark[0]; }
1070 break;
1071 case 12:
1072 #line 52 "code_calc.y"
1073 	{  yyval = yystack.l_mark[-2] & yystack.l_mark[0]; }
1074 break;
1075 case 13:
1076 #line 54 "code_calc.y"
1077 	{  yyval = yystack.l_mark[-2] | yystack.l_mark[0]; }
1078 break;
1079 case 14:
1080 #line 56 "code_calc.y"
1081 	{  yyval = - yystack.l_mark[0]; }
1082 break;
1083 case 15:
1084 #line 58 "code_calc.y"
1085 	{  yyval = regs[yystack.l_mark[0]]; }
1086 break;
1087 case 17:
1088 #line 63 "code_calc.y"
1089 	{  yyval = yystack.l_mark[0]; base = (yystack.l_mark[0]==0) ? 8 : 10; }
1090 break;
1091 case 18:
1092 #line 65 "code_calc.y"
1093 	{  yyval = base * yystack.l_mark[-1] + yystack.l_mark[0]; }
1094 break;
1095 #line 1094 "code_calc.code.c"
1096     default:
1097         break;
1098     }
1099     yystack.s_mark -= yym;
1100     yystate = *yystack.s_mark;
1101     yystack.l_mark -= yym;
1102 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1103     yystack.p_mark -= yym;
1104 #endif
1105     yym = yylhs[yyn];
1106     if (yystate == 0 && yym == 0)
1107     {
1108 #if YYDEBUG
1109         if (yydebug)
1110         {
1111             fprintf(stderr, "%s[%d]: after reduction, ", YYDEBUGSTR, yydepth);
1112 #ifdef YYSTYPE_TOSTRING
1113 #if YYBTYACC
1114             if (!yytrial)
1115 #endif /* YYBTYACC */
1116                 fprintf(stderr, "result is <%s>, ", YYSTYPE_TOSTRING(yystos[YYFINAL], yyval));
1117 #endif
1118             fprintf(stderr, "shifting from state 0 to final state %d\n", YYFINAL);
1119         }
1120 #endif
1121         yystate = YYFINAL;
1122         *++yystack.s_mark = YYFINAL;
1123         *++yystack.l_mark = yyval;
1124 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1125         *++yystack.p_mark = yyloc;
1126 #endif
1127         if (yychar < 0)
1128         {
1129 #if YYBTYACC
1130             do {
1131             if (yylvp < yylve)
1132             {
1133                 /* we're currently re-reading tokens */
1134                 yylval = *yylvp++;
1135 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1136                 yylloc = *yylpp++;
1137 #endif
1138                 yychar = *yylexp++;
1139                 break;
1140             }
1141             if (yyps->save)
1142             {
1143                 /* in trial mode; save scanner results for future parse attempts */
1144                 if (yylvp == yylvlim)
1145                 {   /* Enlarge lexical value queue */
1146                     size_t p = (size_t) (yylvp - yylvals);
1147                     size_t s = (size_t) (yylvlim - yylvals);
1148 
1149                     s += YYLVQUEUEGROWTH;
1150                     if ((yylexemes = (short *)   realloc(yylexemes, s * sizeof(short))) == NULL)
1151                         goto yyenomem;
1152                     if ((yylvals   = (YYSTYPE *) realloc(yylvals, s * sizeof(YYSTYPE))) == NULL)
1153                         goto yyenomem;
1154 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1155                     if ((yylpsns   = (YYLTYPE *) realloc(yylpsns, s * sizeof(YYLTYPE))) == NULL)
1156                         goto yyenomem;
1157 #endif
1158                     yylvp   = yylve = yylvals + p;
1159                     yylvlim = yylvals + s;
1160 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1161                     yylpp   = yylpe = yylpsns + p;
1162                     yylplim = yylpsns + s;
1163 #endif
1164                     yylexp  = yylexemes + p;
1165                 }
1166                 *yylexp = (short) YYLEX;
1167                 *yylvp++ = yylval;
1168                 yylve++;
1169 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1170                 *yylpp++ = yylloc;
1171                 yylpe++;
1172 #endif
1173                 yychar = *yylexp++;
1174                 break;
1175             }
1176             /* normal operation, no conflict encountered */
1177 #endif /* YYBTYACC */
1178             yychar = YYLEX;
1179 #if YYBTYACC
1180             } while (0);
1181 #endif /* YYBTYACC */
1182             if (yychar < 0) yychar = YYEOF;
1183             /* if ((yychar = YYLEX) < 0) yychar = YYEOF; */
1184 #if YYDEBUG
1185             if (yydebug)
1186             {
1187                 yys = yyname[YYTRANSLATE(yychar)];
1188                 fprintf(stderr, "%s[%d]: state %d, reading %d (%s)\n",
1189                                 YYDEBUGSTR, yydepth, YYFINAL, yychar, yys);
1190             }
1191 #endif
1192         }
1193         if (yychar == YYEOF) goto yyaccept;
1194         goto yyloop;
1195     }
1196     if (((yyn = yygindex[yym]) != 0) && (yyn += yystate) >= 0 &&
1197             yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yystate)
1198         yystate = yytable[yyn];
1199     else
1200         yystate = yydgoto[yym];
1201 #if YYDEBUG
1202     if (yydebug)
1203     {
1204         fprintf(stderr, "%s[%d]: after reduction, ", YYDEBUGSTR, yydepth);
1205 #ifdef YYSTYPE_TOSTRING
1206 #if YYBTYACC
1207         if (!yytrial)
1208 #endif /* YYBTYACC */
1209             fprintf(stderr, "result is <%s>, ", YYSTYPE_TOSTRING(yystos[yystate], yyval));
1210 #endif
1211         fprintf(stderr, "shifting from state %d to state %d\n", *yystack.s_mark, yystate);
1212     }
1213 #endif
1214     if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
1215     *++yystack.s_mark = (short) yystate;
1216     *++yystack.l_mark = yyval;
1217 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1218     *++yystack.p_mark = yyloc;
1219 #endif
1220     goto yyloop;
1221 #if YYBTYACC
1222 
1223     /* Reduction declares that this path is valid. Set yypath and do a full parse */
1224 yyvalid:
1225     if (yypath) YYABORT;
1226     while (yyps->save)
1227     {
1228         YYParseState *save = yyps->save;
1229         yyps->save = save->save;
1230         save->save = yypath;
1231         yypath = save;
1232     }
1233 #if YYDEBUG
1234     if (yydebug)
1235         fprintf(stderr, "%s[%d]: state %d, CONFLICT trial successful, backtracking to state %d, %d tokens\n",
1236                         YYDEBUGSTR, yydepth, yystate, yypath->state, (int)(yylvp - yylvals - yypath->lexeme));
1237 #endif
1238     if (yyerrctx)
1239     {
1240         yyFreeState(yyerrctx);
1241         yyerrctx = NULL;
1242     }
1243     yylvp          = yylvals + yypath->lexeme;
1244 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1245     yylpp          = yylpsns + yypath->lexeme;
1246 #endif
1247     yylexp         = yylexemes + yypath->lexeme;
1248     yychar         = YYEMPTY;
1249     yystack.s_mark = yystack.s_base + (yypath->yystack.s_mark - yypath->yystack.s_base);
1250     memcpy (yystack.s_base, yypath->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(short));
1251     yystack.l_mark = yystack.l_base + (yypath->yystack.l_mark - yypath->yystack.l_base);
1252     memcpy (yystack.l_base, yypath->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
1253 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1254     yystack.p_mark = yystack.p_base + (yypath->yystack.p_mark - yypath->yystack.p_base);
1255     memcpy (yystack.p_base, yypath->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
1256 #endif
1257     yystate        = yypath->state;
1258     goto yyloop;
1259 #endif /* YYBTYACC */
1260 
1261 yyoverflow:
1262     YYERROR_CALL("yacc stack overflow");
1263 #if YYBTYACC
1264     goto yyabort_nomem;
1265 yyenomem:
1266     YYERROR_CALL("memory exhausted");
1267 yyabort_nomem:
1268 #endif /* YYBTYACC */
1269     yyresult = 2;
1270     goto yyreturn;
1271 
1272 yyabort:
1273     yyresult = 1;
1274     goto yyreturn;
1275 
1276 yyaccept:
1277 #if YYBTYACC
1278     if (yyps->save) goto yyvalid;
1279 #endif /* YYBTYACC */
1280     yyresult = 0;
1281 
1282 yyreturn:
1283 #if defined(YYDESTRUCT_CALL)
1284     if (yychar != YYEOF && yychar != YYEMPTY)
1285 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1286         YYDESTRUCT_CALL("cleanup: discarding token", yychar, &yylval, &yylloc);
1287 #else
1288         YYDESTRUCT_CALL("cleanup: discarding token", yychar, &yylval);
1289 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
1290 
1291     {
1292         YYSTYPE *pv;
1293 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1294         YYLTYPE *pp;
1295 
1296         for (pv = yystack.l_base, pp = yystack.p_base; pv <= yystack.l_mark; ++pv, ++pp)
1297              YYDESTRUCT_CALL("cleanup: discarding state",
1298                              yystos[*(yystack.s_base + (pv - yystack.l_base))], pv, pp);
1299 #else
1300         for (pv = yystack.l_base; pv <= yystack.l_mark; ++pv)
1301              YYDESTRUCT_CALL("cleanup: discarding state",
1302                              yystos[*(yystack.s_base + (pv - yystack.l_base))], pv);
1303 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
1304     }
1305 #endif /* defined(YYDESTRUCT_CALL) */
1306 
1307 #if YYBTYACC
1308     if (yyerrctx)
1309     {
1310         yyFreeState(yyerrctx);
1311         yyerrctx = NULL;
1312     }
1313     while (yyps)
1314     {
1315         YYParseState *save = yyps;
1316         yyps = save->save;
1317         save->save = NULL;
1318         yyFreeState(save);
1319     }
1320     while (yypath)
1321     {
1322         YYParseState *save = yypath;
1323         yypath = save->save;
1324         save->save = NULL;
1325         yyFreeState(save);
1326     }
1327 #endif /* YYBTYACC */
1328     yyfreestack(&yystack);
1329     return (yyresult);
1330 }
1331