code_calc.code.c revision 272955 
1/* original parser id follows */
2/* yysccsid[] = "@(#)yaccpar	1.9 (Berkeley) 02/21/93" */
3/* (use YYMAJOR/YYMINOR for ifdefs dependent of parser version) */
4
5#define YYBYACC 1
6#define YYMAJOR 1
7#define YYMINOR 9
8#define YYCHECK "yyyymmdd"
9
10#define YYEMPTY        (-1)
11#define yyclearin      (yychar = YYEMPTY)
12#define yyerrok        (yyerrflag = 0)
13#define YYRECOVERING() (yyerrflag != 0)
14#define YYENOMEM       (-2)
15#define YYEOF          0
16#undef YYBTYACC
17#define YYBTYACC 0
18#define YYDEBUGSTR YYPREFIX "debug"
19
20#ifndef yyparse
21#define yyparse    calc_parse
22#endif /* yyparse */
23
24#ifndef yylex
25#define yylex      calc_lex
26#endif /* yylex */
27
28#ifndef yyerror
29#define yyerror    calc_error
30#endif /* yyerror */
31
32#ifndef yychar
33#define yychar     calc_char
34#endif /* yychar */
35
36#ifndef yyval
37#define yyval      calc_val
38#endif /* yyval */
39
40#ifndef yylval
41#define yylval     calc_lval
42#endif /* yylval */
43
44#ifndef yydebug
45#define yydebug    calc_debug
46#endif /* yydebug */
47
48#ifndef yynerrs
49#define yynerrs    calc_nerrs
50#endif /* yynerrs */
51
52#ifndef yyerrflag
53#define yyerrflag  calc_errflag
54#endif /* yyerrflag */
55
56#ifndef yylhs
57#define yylhs      calc_lhs
58#endif /* yylhs */
59
60#ifndef yylen
61#define yylen      calc_len
62#endif /* yylen */
63
64#ifndef yydefred
65#define yydefred   calc_defred
66#endif /* yydefred */
67
68#ifndef yystos
69#define yystos     calc_stos
70#endif /* yystos */
71
72#ifndef yydgoto
73#define yydgoto    calc_dgoto
74#endif /* yydgoto */
75
76#ifndef yysindex
77#define yysindex   calc_sindex
78#endif /* yysindex */
79
80#ifndef yyrindex
81#define yyrindex   calc_rindex
82#endif /* yyrindex */
83
84#ifndef yygindex
85#define yygindex   calc_gindex
86#endif /* yygindex */
87
88#ifndef yytable
89#define yytable    calc_table
90#endif /* yytable */
91
92#ifndef yycheck
93#define yycheck    calc_check
94#endif /* yycheck */
95
96#ifndef yyname
97#define yyname     calc_name
98#endif /* yyname */
99
100#ifndef yyrule
101#define yyrule     calc_rule
102#endif /* yyrule */
103
104#if YYBTYACC
105
106#ifndef yycindex
107#define yycindex   calc_cindex
108#endif /* yycindex */
109
110#ifndef yyctable
111#define yyctable   calc_ctable
112#endif /* yyctable */
113
114#endif /* YYBTYACC */
115
116#define YYPREFIX "calc_"
117
118#define YYPURE 0
119
120#line 2 "code_calc.y"
121# include <stdio.h>
122# include <ctype.h>
123
124int regs[26];
125int base;
126
127#ifdef YYBISON
128int yylex(void);
129static void yyerror(const char *s);
130#endif
131
132#line 133 "code_calc.code.c"
133
134#if ! defined(YYSTYPE) && ! defined(YYSTYPE_IS_DECLARED)
135/* Default: YYSTYPE is the semantic value type. */
136typedef int YYSTYPE;
137# define YYSTYPE_IS_DECLARED 1
138#endif
139
140/* compatibility with bison */
141#ifdef YYPARSE_PARAM
142/* compatibility with FreeBSD */
143# ifdef YYPARSE_PARAM_TYPE
144#  define YYPARSE_DECL() yyparse(YYPARSE_PARAM_TYPE YYPARSE_PARAM)
145# else
146#  define YYPARSE_DECL() yyparse(void *YYPARSE_PARAM)
147# endif
148#else
149# define YYPARSE_DECL() yyparse(void)
150#endif
151
152/* Parameters sent to lex. */
153#ifdef YYLEX_PARAM
154# define YYLEX_DECL() yylex(void *YYLEX_PARAM)
155# define YYLEX yylex(YYLEX_PARAM)
156#else
157# define YYLEX_DECL() yylex(void)
158# define YYLEX yylex()
159#endif
160
161/* Parameters sent to yyerror. */
162#ifndef YYERROR_DECL
163#define YYERROR_DECL() yyerror(const char *s)
164#endif
165#ifndef YYERROR_CALL
166#define YYERROR_CALL(msg) yyerror(msg)
167#endif
168
169#define DIGIT 257
170#define LETTER 258
171#define UMINUS 259
172#define YYERRCODE 256
173#define YYTABLESIZE 220
174#define YYFINAL 1
175#ifndef YYDEBUG
176#define YYDEBUG 0
177#endif
178#define YYMAXTOKEN 259
179#define YYUNDFTOKEN 265
180#define YYTRANSLATE(a) ((a) > YYMAXTOKEN ? YYUNDFTOKEN : (a))
181
182extern int YYPARSE_DECL();
183typedef short YYINT;
184extern const YYINT yylhs[];
185extern const YYINT yylen[];
186extern const YYINT yydefred[];
187extern const YYINT yystos[];
188extern const YYINT yydgoto[];
189extern const YYINT yysindex[];
190extern const YYINT yyrindex[];
191#if YYBTYACC
192extern const YYINT yycindex[];
193#endif /* YYBTYACC */
194extern const YYINT yygindex[];
195extern const YYINT yytable[];
196extern const YYINT yycheck[];
197#if YYBTYACC
198extern const YYINT yyctable[];
199#endif /* YYBTYACC */
200
201#if YYDEBUG
202extern const char *const yyname[];
203extern const char *const yyrule[];
204#endif
205
206int      yydebug;
207int      yynerrs;
208
209int      yyerrflag;
210int      yychar;
211YYSTYPE  yyval;
212YYSTYPE  yylval;
213#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
214YYLTYPE  yyloc; /* position returned by actions */
215YYLTYPE  yylloc; /* position from the lexer */
216#endif
217
218#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
219#ifndef YYLLOC_DEFAULT
220#define YYLLOC_DEFAULT(loc, rhs, n) \
221do \
222{ \
223    if (n == 0) \
224    { \
225        (loc).first_line   = ((rhs)[-1]).last_line; \
226        (loc).first_column = ((rhs)[-1]).last_column; \
227        (loc).last_line    = ((rhs)[-1]).last_line; \
228        (loc).last_column  = ((rhs)[-1]).last_column; \
229    } \
230    else \
231    { \
232        (loc).first_line   = ((rhs)[ 0 ]).first_line; \
233        (loc).first_column = ((rhs)[ 0 ]).first_column; \
234        (loc).last_line    = ((rhs)[n-1]).last_line; \
235        (loc).last_column  = ((rhs)[n-1]).last_column; \
236    } \
237} while (0)
238#endif /* YYLLOC_DEFAULT */
239#endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
240#if YYBTYACC
241
242#ifndef YYLVQUEUEGROWTH
243#define YYLVQUEUEGROWTH 32
244#endif
245#endif /* YYBTYACC */
246
247/* define the initial stack-sizes */
248#ifdef YYSTACKSIZE
249#undef YYMAXDEPTH
250#define YYMAXDEPTH  YYSTACKSIZE
251#else
252#ifdef YYMAXDEPTH
253#define YYSTACKSIZE YYMAXDEPTH
254#else
255#define YYSTACKSIZE 10000
256#define YYMAXDEPTH  10000
257#endif
258#endif
259
260#ifndef YYINITSTACKSIZE
261#define YYINITSTACKSIZE 200
262#endif
263
264typedef struct {
265    unsigned stacksize;
266    short    *s_base;
267    short    *s_mark;
268    short    *s_last;
269    YYSTYPE  *l_base;
270    YYSTYPE  *l_mark;
271#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
272    YYLTYPE  *p_base;
273    YYLTYPE  *p_mark;
274#endif
275} YYSTACKDATA;
276#if YYBTYACC
277
278struct YYParseState_s
279{
280    struct YYParseState_s *save;    /* Previously saved parser state */
281    YYSTACKDATA            yystack; /* saved parser stack */
282    int                    state;   /* saved parser state */
283    int                    errflag; /* saved error recovery status */
284    int                    lexeme;  /* saved index of the conflict lexeme in the lexical queue */
285    YYINT                  ctry;    /* saved index in yyctable[] for this conflict */
286};
287typedef struct YYParseState_s YYParseState;
288#endif /* YYBTYACC */
289/* variables for the parser stack */
290static YYSTACKDATA yystack;
291#if YYBTYACC
292
293/* Current parser state */
294static YYParseState *yyps = 0;
295
296/* yypath != NULL: do the full parse, starting at *yypath parser state. */
297static YYParseState *yypath = 0;
298
299/* Base of the lexical value queue */
300static YYSTYPE *yylvals = 0;
301
302/* Current position at lexical value queue */
303static YYSTYPE *yylvp = 0;
304
305/* End position of lexical value queue */
306static YYSTYPE *yylve = 0;
307
308/* The last allocated position at the lexical value queue */
309static YYSTYPE *yylvlim = 0;
310
311#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
312/* Base of the lexical position queue */
313static YYLTYPE *yylpsns = 0;
314
315/* Current position at lexical position queue */
316static YYLTYPE *yylpp = 0;
317
318/* End position of lexical position queue */
319static YYLTYPE *yylpe = 0;
320
321/* The last allocated position at the lexical position queue */
322static YYLTYPE *yylplim = 0;
323#endif
324
325/* Current position at lexical token queue */
326static short  *yylexp = 0;
327
328static short  *yylexemes = 0;
329#endif /* YYBTYACC */
330#line 68 "code_calc.y"
331 /* start of programs */
332
333#ifdef YYBYACC
334extern int YYLEX_DECL();
335#endif
336
337int
338main (void)
339{
340    while(!feof(stdin)) {
341	yyparse();
342    }
343    return 0;
344}
345
346static void
347yyerror(const char *s)
348{
349    fprintf(stderr, "%s\n", s);
350}
351
352int
353yylex(void)
354{
355	/* lexical analysis routine */
356	/* returns LETTER for a lower case letter, yylval = 0 through 25 */
357	/* return DIGIT for a digit, yylval = 0 through 9 */
358	/* all other characters are returned immediately */
359
360    int c;
361
362    while( (c=getchar()) == ' ' )   { /* skip blanks */ }
363
364    /* c is now nonblank */
365
366    if( islower( c )) {
367	yylval = c - 'a';
368	return ( LETTER );
369    }
370    if( isdigit( c )) {
371	yylval = c - '0';
372	return ( DIGIT );
373    }
374    return( c );
375}
376#line 377 "code_calc.code.c"
377
378/* For use in generated program */
379#define yydepth (int)(yystack.s_mark - yystack.s_base)
380#if YYBTYACC
381#define yytrial (yyps->save)
382#endif /* YYBTYACC */
383
384#if YYDEBUG
385#include <stdio.h>         /* needed for printf */
386#endif
387
388#include <stdlib.h>        /* needed for malloc, etc */
389#include <string.h>        /* needed for memset */
390
391/* allocate initial stack or double stack size, up to YYMAXDEPTH */
392static int yygrowstack(YYSTACKDATA *data)
393{
394    int i;
395    unsigned newsize;
396    short *newss;
397    YYSTYPE *newvs;
398#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
399    YYLTYPE *newps;
400#endif
401
402    if ((newsize = data->stacksize) == 0)
403        newsize = YYINITSTACKSIZE;
404    else if (newsize >= YYMAXDEPTH)
405        return YYENOMEM;
406    else if ((newsize *= 2) > YYMAXDEPTH)
407        newsize = YYMAXDEPTH;
408
409    i = (int) (data->s_mark - data->s_base);
410    newss = (short *)realloc(data->s_base, newsize * sizeof(*newss));
411    if (newss == 0)
412        return YYENOMEM;
413
414    data->s_base = newss;
415    data->s_mark = newss + i;
416
417    newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs));
418    if (newvs == 0)
419        return YYENOMEM;
420
421    data->l_base = newvs;
422    data->l_mark = newvs + i;
423
424#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
425    newps = (YYLTYPE *)realloc(data->p_base, newsize * sizeof(*newps));
426    if (newps == 0)
427        return YYENOMEM;
428
429    data->p_base = newps;
430    data->p_mark = newps + i;
431#endif
432
433    data->stacksize = newsize;
434    data->s_last = data->s_base + newsize - 1;
435
436#if YYDEBUG
437    if (yydebug)
438        fprintf(stderr, "%sdebug: stack size increased to %d\n", YYPREFIX, newsize);
439#endif
440    return 0;
441}
442
443#if YYPURE || defined(YY_NO_LEAKS)
444static void yyfreestack(YYSTACKDATA *data)
445{
446    free(data->s_base);
447    free(data->l_base);
448#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
449    free(data->p_base);
450#endif
451    memset(data, 0, sizeof(*data));
452}
453#else
454#define yyfreestack(data) /* nothing */
455#endif /* YYPURE || defined(YY_NO_LEAKS) */
456#if YYBTYACC
457
458static YYParseState *
459yyNewState(unsigned size)
460{
461    YYParseState *p = (YYParseState *) malloc(sizeof(YYParseState));
462    if (p == NULL) return NULL;
463
464    p->yystack.stacksize = size;
465    if (size == 0)
466    {
467        p->yystack.s_base = NULL;
468        p->yystack.l_base = NULL;
469#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
470        p->yystack.p_base = NULL;
471#endif
472        return p;
473    }
474    p->yystack.s_base    = (short *) malloc(size * sizeof(short));
475    if (p->yystack.s_base == NULL) return NULL;
476    p->yystack.l_base    = (YYSTYPE *) malloc(size * sizeof(YYSTYPE));
477    if (p->yystack.l_base == NULL) return NULL;
478    memset(p->yystack.l_base, 0, size * sizeof(YYSTYPE));
479#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
480    p->yystack.p_base    = (YYLTYPE *) malloc(size * sizeof(YYLTYPE));
481    if (p->yystack.p_base == NULL) return NULL;
482    memset(p->yystack.p_base, 0, size * sizeof(YYLTYPE));
483#endif
484
485    return p;
486}
487
488static void
489yyFreeState(YYParseState *p)
490{
491    yyfreestack(&p->yystack);
492    free(p);
493}
494#endif /* YYBTYACC */
495
496#define YYABORT  goto yyabort
497#define YYREJECT goto yyabort
498#define YYACCEPT goto yyaccept
499#define YYERROR  goto yyerrlab
500#if YYBTYACC
501#define YYVALID        do { if (yyps->save)            goto yyvalid; } while(0)
502#define YYVALID_NESTED do { if (yyps->save && \
503                                yyps->save->save == 0) goto yyvalid; } while(0)
504#endif /* YYBTYACC */
505
506int
507YYPARSE_DECL()
508{
509    int yym, yyn, yystate, yyresult;
510#if YYBTYACC
511    int yynewerrflag;
512    YYParseState *yyerrctx = NULL;
513#endif /* YYBTYACC */
514#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
515    YYLTYPE  yyerror_loc_range[2]; /* position of error start & end */
516#endif
517#if YYDEBUG
518    const char *yys;
519
520    if ((yys = getenv("YYDEBUG")) != 0)
521    {
522        yyn = *yys;
523        if (yyn >= '0' && yyn <= '9')
524            yydebug = yyn - '0';
525    }
526    if (yydebug)
527        fprintf(stderr, "%sdebug[<# of symbols on state stack>]\n", YYPREFIX);
528#endif
529
530#if YYBTYACC
531    yyps = yyNewState(0); if (yyps == 0) goto yyenomem;
532    yyps->save = 0;
533#endif /* YYBTYACC */
534    yynerrs = 0;
535    yyerrflag = 0;
536    yychar = YYEMPTY;
537    yystate = 0;
538
539#if YYPURE
540    memset(&yystack, 0, sizeof(yystack));
541#endif
542
543    if (yystack.s_base == NULL && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
544    yystack.s_mark = yystack.s_base;
545    yystack.l_mark = yystack.l_base;
546#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
547    yystack.p_mark = yystack.p_base;
548#endif
549    yystate = 0;
550    *yystack.s_mark = 0;
551
552yyloop:
553    if ((yyn = yydefred[yystate]) != 0) goto yyreduce;
554    if (yychar < 0)
555    {
556#if YYBTYACC
557        do {
558        if (yylvp < yylve)
559        {
560            /* we're currently re-reading tokens */
561            yylval = *yylvp++;
562#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
563            yylloc = *yylpp++;
564#endif
565            yychar = *yylexp++;
566            break;
567        }
568        if (yyps->save)
569        {
570            /* in trial mode; save scanner results for future parse attempts */
571            if (yylvp == yylvlim)
572            {   /* Enlarge lexical value queue */
573                size_t p = (size_t) (yylvp - yylvals);
574                size_t s = (size_t) (yylvlim - yylvals);
575
576                s += YYLVQUEUEGROWTH;
577                if ((yylexemes = (short *)   realloc(yylexemes, s * sizeof(short))) == NULL) goto yyenomem;
578                if ((yylvals   = (YYSTYPE *) realloc(yylvals, s * sizeof(YYSTYPE))) == NULL) goto yyenomem;
579#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
580                if ((yylpsns   = (YYLTYPE *) realloc(yylpsns, s * sizeof(YYLTYPE))) == NULL) goto yyenomem;
581#endif
582                yylvp   = yylve = yylvals + p;
583                yylvlim = yylvals + s;
584#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
585                yylpp   = yylpe = yylpsns + p;
586                yylplim = yylpsns + s;
587#endif
588                yylexp  = yylexemes + p;
589            }
590            *yylexp = (short) YYLEX;
591            *yylvp++ = yylval;
592            yylve++;
593#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
594            *yylpp++ = yylloc;
595            yylpe++;
596#endif
597            yychar = *yylexp++;
598            break;
599        }
600        /* normal operation, no conflict encountered */
601#endif /* YYBTYACC */
602        yychar = YYLEX;
603#if YYBTYACC
604        } while (0);
605#endif /* YYBTYACC */
606        if (yychar < 0) yychar = YYEOF;
607        /* if ((yychar = YYLEX) < 0) yychar = YYEOF; */
608#if YYDEBUG
609        if (yydebug)
610        {
611            yys = yyname[YYTRANSLATE(yychar)];
612            fprintf(stderr, "%s[%d]: state %d, reading token %d (%s)",
613                            YYDEBUGSTR, yydepth, yystate, yychar, yys);
614#ifdef YYSTYPE_TOSTRING
615#if YYBTYACC
616            if (!yytrial)
617#endif /* YYBTYACC */
618                fprintf(stderr, " <%s>", YYSTYPE_TOSTRING(yychar, yylval));
619#endif
620            fputc('\n', stderr);
621        }
622#endif
623    }
624#if YYBTYACC
625
626    /* Do we have a conflict? */
627    if (((yyn = yycindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
628        yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
629    {
630        YYINT ctry;
631
632        if (yypath)
633        {
634            YYParseState *save;
635#if YYDEBUG
636            if (yydebug)
637                fprintf(stderr, "%s[%d]: CONFLICT in state %d: following successful trial parse\n",
638                                YYDEBUGSTR, yydepth, yystate);
639#endif
640            /* Switch to the next conflict context */
641            save = yypath;
642            yypath = save->save;
643            save->save = NULL;
644            ctry = save->ctry;
645            if (save->state != yystate) YYABORT;
646            yyFreeState(save);
647
648        }
649        else
650        {
651
652            /* Unresolved conflict - start/continue trial parse */
653            YYParseState *save;
654#if YYDEBUG
655            if (yydebug)
656            {
657                fprintf(stderr, "%s[%d]: CONFLICT in state %d. ", YYDEBUGSTR, yydepth, yystate);
658                if (yyps->save)
659                    fputs("ALREADY in conflict, continuing trial parse.\n", stderr);
660                else
661                    fputs("Starting trial parse.\n", stderr);
662            }
663#endif
664            save                  = yyNewState((unsigned)(yystack.s_mark - yystack.s_base + 1));
665            if (save == NULL) goto yyenomem;
666            save->save            = yyps->save;
667            save->state           = yystate;
668            save->errflag         = yyerrflag;
669            save->yystack.s_mark  = save->yystack.s_base + (yystack.s_mark - yystack.s_base);
670            memcpy (save->yystack.s_base, yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(short));
671            save->yystack.l_mark  = save->yystack.l_base + (yystack.l_mark - yystack.l_base);
672            memcpy (save->yystack.l_base, yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
673#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
674            save->yystack.p_mark  = save->yystack.p_base + (yystack.p_mark - yystack.p_base);
675            memcpy (save->yystack.p_base, yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
676#endif
677            ctry                  = yytable[yyn];
678            if (yyctable[ctry] == -1)
679            {
680#if YYDEBUG
681                if (yydebug && yychar >= YYEOF)
682                    fprintf(stderr, "%s[%d]: backtracking 1 token\n", YYDEBUGSTR, yydepth);
683#endif
684                ctry++;
685            }
686            save->ctry = ctry;
687            if (yyps->save == NULL)
688            {
689                /* If this is a first conflict in the stack, start saving lexemes */
690                if (!yylexemes)
691                {
692                    yylexemes = (short *) malloc((YYLVQUEUEGROWTH) * sizeof(short));
693                    if (yylexemes == NULL) goto yyenomem;
694                    yylvals   = (YYSTYPE *) malloc((YYLVQUEUEGROWTH) * sizeof(YYSTYPE));
695                    if (yylvals == NULL) goto yyenomem;
696                    yylvlim   = yylvals + YYLVQUEUEGROWTH;
697#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
698                    yylpsns   = (YYLTYPE *) malloc((YYLVQUEUEGROWTH) * sizeof(YYLTYPE));
699                    if (yylpsns == NULL) goto yyenomem;
700                    yylplim   = yylpsns + YYLVQUEUEGROWTH;
701#endif
702                }
703                if (yylvp == yylve)
704                {
705                    yylvp  = yylve = yylvals;
706#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
707                    yylpp  = yylpe = yylpsns;
708#endif
709                    yylexp = yylexemes;
710                    if (yychar >= YYEOF)
711                    {
712                        *yylve++ = yylval;
713#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
714                        *yylpe++ = yylloc;
715#endif
716                        *yylexp  = (short) yychar;
717                        yychar   = YYEMPTY;
718                    }
719                }
720            }
721            if (yychar >= YYEOF)
722            {
723                yylvp--;
724#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
725                yylpp--;
726#endif
727                yylexp--;
728                yychar = YYEMPTY;
729            }
730            save->lexeme = (int) (yylvp - yylvals);
731            yyps->save   = save;
732        }
733        if (yytable[yyn] == ctry)
734        {
735#if YYDEBUG
736            if (yydebug)
737                fprintf(stderr, "%s[%d]: state %d, shifting to state %d\n",
738                                YYDEBUGSTR, yydepth, yystate, yyctable[ctry]);
739#endif
740            if (yychar < 0)
741            {
742                yylvp++;
743#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
744                yylpp++;
745#endif
746                yylexp++;
747            }
748            if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM)
749                goto yyoverflow;
750            yystate = yyctable[ctry];
751            *++yystack.s_mark = (short) yystate;
752            *++yystack.l_mark = yylval;
753#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
754            *++yystack.p_mark = yylloc;
755#endif
756            yychar  = YYEMPTY;
757            if (yyerrflag > 0) --yyerrflag;
758            goto yyloop;
759        }
760        else
761        {
762            yyn = yyctable[ctry];
763            goto yyreduce;
764        }
765    } /* End of code dealing with conflicts */
766#endif /* YYBTYACC */
767    if (((yyn = yysindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
768            yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
769    {
770#if YYDEBUG
771        if (yydebug)
772            fprintf(stderr, "%s[%d]: state %d, shifting to state %d\n",
773                            YYDEBUGSTR, yydepth, yystate, yytable[yyn]);
774#endif
775        if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
776        yystate = yytable[yyn];
777        *++yystack.s_mark = yytable[yyn];
778        *++yystack.l_mark = yylval;
779#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
780        *++yystack.p_mark = yylloc;
781#endif
782        yychar = YYEMPTY;
783        if (yyerrflag > 0)  --yyerrflag;
784        goto yyloop;
785    }
786    if (((yyn = yyrindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
787            yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
788    {
789        yyn = yytable[yyn];
790        goto yyreduce;
791    }
792    if (yyerrflag != 0) goto yyinrecovery;
793#if YYBTYACC
794
795    yynewerrflag = 1;
796    goto yyerrhandler;
797    goto yyerrlab;
798
799yyerrlab:
800    yynewerrflag = 0;
801yyerrhandler:
802    while (yyps->save)
803    {
804        int ctry;
805        YYParseState *save = yyps->save;
806#if YYDEBUG
807        if (yydebug)
808            fprintf(stderr, "%s[%d]: ERROR in state %d, CONFLICT BACKTRACKING to state %d, %d tokens\n",
809                            YYDEBUGSTR, yydepth, yystate, yyps->save->state,
810                    (int)(yylvp - yylvals - yyps->save->lexeme));
811#endif
812        /* Memorize most forward-looking error state in case it's really an error. */
813        if (yyerrctx == NULL || yyerrctx->lexeme < yylvp - yylvals)
814        {
815            /* Free old saved error context state */
816            if (yyerrctx) yyFreeState(yyerrctx);
817            /* Create and fill out new saved error context state */
818            yyerrctx                 = yyNewState((unsigned)(yystack.s_mark - yystack.s_base + 1));
819            if (yyerrctx == NULL) goto yyenomem;
820            yyerrctx->save           = yyps->save;
821            yyerrctx->state          = yystate;
822            yyerrctx->errflag        = yyerrflag;
823            yyerrctx->yystack.s_mark = yyerrctx->yystack.s_base + (yystack.s_mark - yystack.s_base);
824            memcpy (yyerrctx->yystack.s_base, yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(short));
825            yyerrctx->yystack.l_mark = yyerrctx->yystack.l_base + (yystack.l_mark - yystack.l_base);
826            memcpy (yyerrctx->yystack.l_base, yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
827#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
828            yyerrctx->yystack.p_mark = yyerrctx->yystack.p_base + (yystack.p_mark - yystack.p_base);
829            memcpy (yyerrctx->yystack.p_base, yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
830#endif
831            yyerrctx->lexeme         = (int) (yylvp - yylvals);
832        }
833        yylvp          = yylvals   + save->lexeme;
834#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
835        yylpp          = yylpsns   + save->lexeme;
836#endif
837        yylexp         = yylexemes + save->lexeme;
838        yychar         = YYEMPTY;
839        yystack.s_mark = yystack.s_base + (save->yystack.s_mark - save->yystack.s_base);
840        memcpy (yystack.s_base, save->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(short));
841        yystack.l_mark = yystack.l_base + (save->yystack.l_mark - save->yystack.l_base);
842        memcpy (yystack.l_base, save->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
843#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
844        yystack.p_mark = yystack.p_base + (save->yystack.p_mark - save->yystack.p_base);
845        memcpy (yystack.p_base, save->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
846#endif
847        ctry           = ++save->ctry;
848        yystate        = save->state;
849        /* We tried shift, try reduce now */
850        if ((yyn = yyctable[ctry]) >= 0) goto yyreduce;
851        yyps->save     = save->save;
852        save->save     = NULL;
853        yyFreeState(save);
854
855        /* Nothing left on the stack -- error */
856        if (!yyps->save)
857        {
858#if YYDEBUG
859            if (yydebug)
860                fprintf(stderr, "%sdebug[%d,trial]: trial parse FAILED, entering ERROR mode\n",
861                                YYPREFIX, yydepth);
862#endif
863            /* Restore state as it was in the most forward-advanced error */
864            yylvp          = yylvals   + yyerrctx->lexeme;
865#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
866            yylpp          = yylpsns   + yyerrctx->lexeme;
867#endif
868            yylexp         = yylexemes + yyerrctx->lexeme;
869            yychar         = yylexp[-1];
870            yylval         = yylvp[-1];
871#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
872            yylloc         = yylpp[-1];
873#endif
874            yystack.s_mark = yystack.s_base + (yyerrctx->yystack.s_mark - yyerrctx->yystack.s_base);
875            memcpy (yystack.s_base, yyerrctx->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(short));
876            yystack.l_mark = yystack.l_base + (yyerrctx->yystack.l_mark - yyerrctx->yystack.l_base);
877            memcpy (yystack.l_base, yyerrctx->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
878#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
879            yystack.p_mark = yystack.p_base + (yyerrctx->yystack.p_mark - yyerrctx->yystack.p_base);
880            memcpy (yystack.p_base, yyerrctx->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
881#endif
882            yystate        = yyerrctx->state;
883            yyFreeState(yyerrctx);
884            yyerrctx       = NULL;
885        }
886        yynewerrflag = 1;
887    }
888    if (yynewerrflag == 0) goto yyinrecovery;
889#endif /* YYBTYACC */
890
891    YYERROR_CALL("syntax error");
892#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
893    yyerror_loc_range[0] = yylloc; /* lookahead position is error start position */
894#endif
895
896#if !YYBTYACC
897    goto yyerrlab;
898yyerrlab:
899#endif
900    ++yynerrs;
901
902yyinrecovery:
903    if (yyerrflag < 3)
904    {
905        yyerrflag = 3;
906        for (;;)
907        {
908            if (((yyn = yysindex[*yystack.s_mark]) != 0) && (yyn += YYERRCODE) >= 0 &&
909                    yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) YYERRCODE)
910            {
911#if YYDEBUG
912                if (yydebug)
913                    fprintf(stderr, "%s[%d]: state %d, error recovery shifting to state %d\n",
914                                    YYDEBUGSTR, yydepth, *yystack.s_mark, yytable[yyn]);
915#endif
916                if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
917                yystate = yytable[yyn];
918                *++yystack.s_mark = yytable[yyn];
919                *++yystack.l_mark = yylval;
920#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
921                /* lookahead position is error end position */
922                yyerror_loc_range[1] = yylloc;
923                YYLLOC_DEFAULT(yyloc, yyerror_loc_range, 2); /* position of error span */
924                *++yystack.p_mark = yyloc;
925#endif
926                goto yyloop;
927            }
928            else
929            {
930#if YYDEBUG
931                if (yydebug)
932                    fprintf(stderr, "%s[%d]: error recovery discarding state %d\n",
933                                    YYDEBUGSTR, yydepth, *yystack.s_mark);
934#endif
935                if (yystack.s_mark <= yystack.s_base) goto yyabort;
936#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
937                /* the current TOS position is the error start position */
938                yyerror_loc_range[0] = *yystack.p_mark;
939#endif
940#if defined(YYDESTRUCT_CALL)
941#if YYBTYACC
942                if (!yytrial)
943#endif /* YYBTYACC */
944#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
945                    YYDESTRUCT_CALL("error: discarding state",
946                                    yystos[*yystack.s_mark], yystack.l_mark, yystack.p_mark);
947#else
948                    YYDESTRUCT_CALL("error: discarding state",
949                                    yystos[*yystack.s_mark], yystack.l_mark);
950#endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
951#endif /* defined(YYDESTRUCT_CALL) */
952                --yystack.s_mark;
953                --yystack.l_mark;
954#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
955                --yystack.p_mark;
956#endif
957            }
958        }
959    }
960    else
961    {
962        if (yychar == YYEOF) goto yyabort;
963#if YYDEBUG
964        if (yydebug)
965        {
966            yys = yyname[YYTRANSLATE(yychar)];
967            fprintf(stderr, "%s[%d]: state %d, error recovery discarding token %d (%s)\n",
968                            YYDEBUGSTR, yydepth, yystate, yychar, yys);
969        }
970#endif
971#if defined(YYDESTRUCT_CALL)
972#if YYBTYACC
973        if (!yytrial)
974#endif /* YYBTYACC */
975#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
976            YYDESTRUCT_CALL("error: discarding token", yychar, &yylval, &yylloc);
977#else
978            YYDESTRUCT_CALL("error: discarding token", yychar, &yylval);
979#endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
980#endif /* defined(YYDESTRUCT_CALL) */
981        yychar = YYEMPTY;
982        goto yyloop;
983    }
984
985yyreduce:
986    yym = yylen[yyn];
987#if YYDEBUG
988    if (yydebug)
989    {
990        fprintf(stderr, "%s[%d]: state %d, reducing by rule %d (%s)",
991                        YYDEBUGSTR, yydepth, yystate, yyn, yyrule[yyn]);
992#ifdef YYSTYPE_TOSTRING
993#if YYBTYACC
994        if (!yytrial)
995#endif /* YYBTYACC */
996            if (yym > 0)
997            {
998                int i;
999                fputc('<', stderr);
1000                for (i = yym; i > 0; i--)
1001                {
1002                    if (i != yym) fputs(", ", stderr);
1003                    fputs(YYSTYPE_TOSTRING(yystos[yystack.s_mark[1-i]],
1004                                           yystack.l_mark[1-i]), stderr);
1005                }
1006                fputc('>', stderr);
1007            }
1008#endif
1009        fputc('\n', stderr);
1010    }
1011#endif
1012    if (yym > 0)
1013        yyval = yystack.l_mark[1-yym];
1014    else
1015        memset(&yyval, 0, sizeof yyval);
1016#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1017
1018    /* Perform position reduction */
1019    memset(&yyloc, 0, sizeof(yyloc));
1020#if YYBTYACC
1021    if (!yytrial)
1022#endif /* YYBTYACC */
1023    {
1024        YYLLOC_DEFAULT(yyloc, &yystack.p_mark[1-yym], yym);
1025        /* just in case YYERROR is invoked within the action, save
1026           the start of the rhs as the error start position */
1027        yyerror_loc_range[0] = yystack.p_mark[1-yym];
1028    }
1029#endif
1030
1031    switch (yyn)
1032    {
1033case 3:
1034#line 30 "code_calc.y"
1035	{  yyerrok ; }
1036break;
1037case 4:
1038#line 34 "code_calc.y"
1039	{  printf("%d\n",yystack.l_mark[0]);}
1040break;
1041case 5:
1042#line 36 "code_calc.y"
1043	{  regs[yystack.l_mark[-2]] = yystack.l_mark[0]; }
1044break;
1045case 6:
1046#line 40 "code_calc.y"
1047	{  yyval = yystack.l_mark[-1]; }
1048break;
1049case 7:
1050#line 42 "code_calc.y"
1051	{  yyval = yystack.l_mark[-2] + yystack.l_mark[0]; }
1052break;
1053case 8:
1054#line 44 "code_calc.y"
1055	{  yyval = yystack.l_mark[-2] - yystack.l_mark[0]; }
1056break;
1057case 9:
1058#line 46 "code_calc.y"
1059	{  yyval = yystack.l_mark[-2] * yystack.l_mark[0]; }
1060break;
1061case 10:
1062#line 48 "code_calc.y"
1063	{  yyval = yystack.l_mark[-2] / yystack.l_mark[0]; }
1064break;
1065case 11:
1066#line 50 "code_calc.y"
1067	{  yyval = yystack.l_mark[-2] % yystack.l_mark[0]; }
1068break;
1069case 12:
1070#line 52 "code_calc.y"
1071	{  yyval = yystack.l_mark[-2] & yystack.l_mark[0]; }
1072break;
1073case 13:
1074#line 54 "code_calc.y"
1075	{  yyval = yystack.l_mark[-2] | yystack.l_mark[0]; }
1076break;
1077case 14:
1078#line 56 "code_calc.y"
1079	{  yyval = - yystack.l_mark[0]; }
1080break;
1081case 15:
1082#line 58 "code_calc.y"
1083	{  yyval = regs[yystack.l_mark[0]]; }
1084break;
1085case 17:
1086#line 63 "code_calc.y"
1087	{  yyval = yystack.l_mark[0]; base = (yystack.l_mark[0]==0) ? 8 : 10; }
1088break;
1089case 18:
1090#line 65 "code_calc.y"
1091	{  yyval = base * yystack.l_mark[-1] + yystack.l_mark[0]; }
1092break;
1093#line 1094 "code_calc.code.c"
1094    default:
1095        break;
1096    }
1097    yystack.s_mark -= yym;
1098    yystate = *yystack.s_mark;
1099    yystack.l_mark -= yym;
1100#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1101    yystack.p_mark -= yym;
1102#endif
1103    yym = yylhs[yyn];
1104    if (yystate == 0 && yym == 0)
1105    {
1106#if YYDEBUG
1107        if (yydebug)
1108        {
1109            fprintf(stderr, "%s[%d]: after reduction, ", YYDEBUGSTR, yydepth);
1110#ifdef YYSTYPE_TOSTRING
1111#if YYBTYACC
1112            if (!yytrial)
1113#endif /* YYBTYACC */
1114                fprintf(stderr, "result is <%s>, ", YYSTYPE_TOSTRING(yystos[YYFINAL], yyval));
1115#endif
1116            fprintf(stderr, "shifting from state 0 to final state %d\n", YYFINAL);
1117        }
1118#endif
1119        yystate = YYFINAL;
1120        *++yystack.s_mark = YYFINAL;
1121        *++yystack.l_mark = yyval;
1122#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1123        *++yystack.p_mark = yyloc;
1124#endif
1125        if (yychar < 0)
1126        {
1127#if YYBTYACC
1128            do {
1129            if (yylvp < yylve)
1130            {
1131                /* we're currently re-reading tokens */
1132                yylval = *yylvp++;
1133#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1134                yylloc = *yylpp++;
1135#endif
1136                yychar = *yylexp++;
1137                break;
1138            }
1139            if (yyps->save)
1140            {
1141                /* in trial mode; save scanner results for future parse attempts */
1142                if (yylvp == yylvlim)
1143                {   /* Enlarge lexical value queue */
1144                    size_t p = (size_t) (yylvp - yylvals);
1145                    size_t s = (size_t) (yylvlim - yylvals);
1146
1147                    s += YYLVQUEUEGROWTH;
1148                    if ((yylexemes = (short *)   realloc(yylexemes, s * sizeof(short))) == NULL)
1149                        goto yyenomem;
1150                    if ((yylvals   = (YYSTYPE *) realloc(yylvals, s * sizeof(YYSTYPE))) == NULL)
1151                        goto yyenomem;
1152#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1153                    if ((yylpsns   = (YYLTYPE *) realloc(yylpsns, s * sizeof(YYLTYPE))) == NULL)
1154                        goto yyenomem;
1155#endif
1156                    yylvp   = yylve = yylvals + p;
1157                    yylvlim = yylvals + s;
1158#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1159                    yylpp   = yylpe = yylpsns + p;
1160                    yylplim = yylpsns + s;
1161#endif
1162                    yylexp  = yylexemes + p;
1163                }
1164                *yylexp = (short) YYLEX;
1165                *yylvp++ = yylval;
1166                yylve++;
1167#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1168                *yylpp++ = yylloc;
1169                yylpe++;
1170#endif
1171                yychar = *yylexp++;
1172                break;
1173            }
1174            /* normal operation, no conflict encountered */
1175#endif /* YYBTYACC */
1176            yychar = YYLEX;
1177#if YYBTYACC
1178            } while (0);
1179#endif /* YYBTYACC */
1180            if (yychar < 0) yychar = YYEOF;
1181            /* if ((yychar = YYLEX) < 0) yychar = YYEOF; */
1182#if YYDEBUG
1183            if (yydebug)
1184            {
1185                yys = yyname[YYTRANSLATE(yychar)];
1186                fprintf(stderr, "%s[%d]: state %d, reading %d (%s)\n",
1187                                YYDEBUGSTR, yydepth, YYFINAL, yychar, yys);
1188            }
1189#endif
1190        }
1191        if (yychar == YYEOF) goto yyaccept;
1192        goto yyloop;
1193    }
1194    if (((yyn = yygindex[yym]) != 0) && (yyn += yystate) >= 0 &&
1195            yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yystate)
1196        yystate = yytable[yyn];
1197    else
1198        yystate = yydgoto[yym];
1199#if YYDEBUG
1200    if (yydebug)
1201    {
1202        fprintf(stderr, "%s[%d]: after reduction, ", YYDEBUGSTR, yydepth);
1203#ifdef YYSTYPE_TOSTRING
1204#if YYBTYACC
1205        if (!yytrial)
1206#endif /* YYBTYACC */
1207            fprintf(stderr, "result is <%s>, ", YYSTYPE_TOSTRING(yystos[yystate], yyval));
1208#endif
1209        fprintf(stderr, "shifting from state %d to state %d\n", *yystack.s_mark, yystate);
1210    }
1211#endif
1212    if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
1213    *++yystack.s_mark = (short) yystate;
1214    *++yystack.l_mark = yyval;
1215#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1216    *++yystack.p_mark = yyloc;
1217#endif
1218    goto yyloop;
1219#if YYBTYACC
1220
1221    /* Reduction declares that this path is valid. Set yypath and do a full parse */
1222yyvalid:
1223    if (yypath) YYABORT;
1224    while (yyps->save)
1225    {
1226        YYParseState *save = yyps->save;
1227        yyps->save = save->save;
1228        save->save = yypath;
1229        yypath = save;
1230    }
1231#if YYDEBUG
1232    if (yydebug)
1233        fprintf(stderr, "%s[%d]: state %d, CONFLICT trial successful, backtracking to state %d, %d tokens\n",
1234                        YYDEBUGSTR, yydepth, yystate, yypath->state, (int)(yylvp - yylvals - yypath->lexeme));
1235#endif
1236    if (yyerrctx)
1237    {
1238        yyFreeState(yyerrctx);
1239        yyerrctx = NULL;
1240    }
1241    yylvp          = yylvals + yypath->lexeme;
1242#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1243    yylpp          = yylpsns + yypath->lexeme;
1244#endif
1245    yylexp         = yylexemes + yypath->lexeme;
1246    yychar         = YYEMPTY;
1247    yystack.s_mark = yystack.s_base + (yypath->yystack.s_mark - yypath->yystack.s_base);
1248    memcpy (yystack.s_base, yypath->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(short));
1249    yystack.l_mark = yystack.l_base + (yypath->yystack.l_mark - yypath->yystack.l_base);
1250    memcpy (yystack.l_base, yypath->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
1251#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1252    yystack.p_mark = yystack.p_base + (yypath->yystack.p_mark - yypath->yystack.p_base);
1253    memcpy (yystack.p_base, yypath->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
1254#endif
1255    yystate        = yypath->state;
1256    goto yyloop;
1257#endif /* YYBTYACC */
1258
1259yyoverflow:
1260    YYERROR_CALL("yacc stack overflow");
1261#if YYBTYACC
1262    goto yyabort_nomem;
1263yyenomem:
1264    YYERROR_CALL("memory exhausted");
1265yyabort_nomem:
1266#endif /* YYBTYACC */
1267    yyresult = 2;
1268    goto yyreturn;
1269
1270yyabort:
1271    yyresult = 1;
1272    goto yyreturn;
1273
1274yyaccept:
1275#if YYBTYACC
1276    if (yyps->save) goto yyvalid;
1277#endif /* YYBTYACC */
1278    yyresult = 0;
1279
1280yyreturn:
1281#if defined(YYDESTRUCT_CALL)
1282    if (yychar != YYEOF && yychar != YYEMPTY)
1283#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1284        YYDESTRUCT_CALL("cleanup: discarding token", yychar, &yylval, &yylloc);
1285#else
1286        YYDESTRUCT_CALL("cleanup: discarding token", yychar, &yylval);
1287#endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
1288
1289    {
1290        YYSTYPE *pv;
1291#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1292        YYLTYPE *pp;
1293
1294        for (pv = yystack.l_base, pp = yystack.p_base; pv <= yystack.l_mark; ++pv, ++pp)
1295             YYDESTRUCT_CALL("cleanup: discarding state",
1296                             yystos[*(yystack.s_base + (pv - yystack.l_base))], pv, pp);
1297#else
1298        for (pv = yystack.l_base; pv <= yystack.l_mark; ++pv)
1299             YYDESTRUCT_CALL("cleanup: discarding state",
1300                             yystos[*(yystack.s_base + (pv - yystack.l_base))], pv);
1301#endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
1302    }
1303#endif /* defined(YYDESTRUCT_CALL) */
1304
1305#if YYBTYACC
1306    if (yyerrctx)
1307    {
1308        yyFreeState(yyerrctx);
1309        yyerrctx = NULL;
1310    }
1311    while (yyps)
1312    {
1313        YYParseState *save = yyps;
1314        yyps = save->save;
1315        save->save = NULL;
1316        yyFreeState(save);
1317    }
1318    while (yypath)
1319    {
1320        YYParseState *save = yypath;
1321        yypath = save->save;
1322        save->save = NULL;
1323        yyFreeState(save);
1324    }
1325#endif /* YYBTYACC */
1326    yyfreestack(&yystack);
1327    return (yyresult);
1328}
1329