calc2.tab.c revision 277086 
1/* original parser id follows */
2/* yysccsid[] = "@(#)yaccpar	1.9 (Berkeley) 02/21/93" */
3/* (use YYMAJOR/YYMINOR for ifdefs dependent on parser version) */
4
5#define YYBYACC 1
6#define YYMAJOR 1
7#define YYMINOR 9
8#define YYCHECK "yyyymmdd"
9
10#define YYEMPTY        (-1)
11#define yyclearin      (yychar = YYEMPTY)
12#define yyerrok        (yyerrflag = 0)
13#define YYRECOVERING() (yyerrflag != 0)
14#define YYENOMEM       (-2)
15#define YYEOF          0
16
17#ifndef yyparse
18#define yyparse    calc2_parse
19#endif /* yyparse */
20
21#ifndef yylex
22#define yylex      calc2_lex
23#endif /* yylex */
24
25#ifndef yyerror
26#define yyerror    calc2_error
27#endif /* yyerror */
28
29#ifndef yychar
30#define yychar     calc2_char
31#endif /* yychar */
32
33#ifndef yyval
34#define yyval      calc2_val
35#endif /* yyval */
36
37#ifndef yylval
38#define yylval     calc2_lval
39#endif /* yylval */
40
41#ifndef yydebug
42#define yydebug    calc2_debug
43#endif /* yydebug */
44
45#ifndef yynerrs
46#define yynerrs    calc2_nerrs
47#endif /* yynerrs */
48
49#ifndef yyerrflag
50#define yyerrflag  calc2_errflag
51#endif /* yyerrflag */
52
53#ifndef yylhs
54#define yylhs      calc2_lhs
55#endif /* yylhs */
56
57#ifndef yylen
58#define yylen      calc2_len
59#endif /* yylen */
60
61#ifndef yydefred
62#define yydefred   calc2_defred
63#endif /* yydefred */
64
65#ifndef yydgoto
66#define yydgoto    calc2_dgoto
67#endif /* yydgoto */
68
69#ifndef yysindex
70#define yysindex   calc2_sindex
71#endif /* yysindex */
72
73#ifndef yyrindex
74#define yyrindex   calc2_rindex
75#endif /* yyrindex */
76
77#ifndef yygindex
78#define yygindex   calc2_gindex
79#endif /* yygindex */
80
81#ifndef yytable
82#define yytable    calc2_table
83#endif /* yytable */
84
85#ifndef yycheck
86#define yycheck    calc2_check
87#endif /* yycheck */
88
89#ifndef yyname
90#define yyname     calc2_name
91#endif /* yyname */
92
93#ifndef yyrule
94#define yyrule     calc2_rule
95#endif /* yyrule */
96#define YYPREFIX "calc2_"
97
98#define YYPURE 0
99
100#line 7 "calc2.y"
101# include <stdio.h>
102# include <ctype.h>
103
104#ifdef YYBISON
105#define YYLEX_PARAM base
106#define YYLEX_DECL() yylex(int *YYLEX_PARAM)
107#define YYERROR_DECL() yyerror(int regs[26], int *base, const char *s)
108int YYLEX_DECL();
109static void YYERROR_DECL();
110#endif
111
112#line 113 "calc2.tab.c"
113
114#if ! defined(YYSTYPE) && ! defined(YYSTYPE_IS_DECLARED)
115/* Default: YYSTYPE is the semantic value type. */
116typedef int YYSTYPE;
117# define YYSTYPE_IS_DECLARED 1
118#endif
119
120/* compatibility with bison */
121#ifdef YYPARSE_PARAM
122/* compatibility with FreeBSD */
123# ifdef YYPARSE_PARAM_TYPE
124#  define YYPARSE_DECL() yyparse(YYPARSE_PARAM_TYPE YYPARSE_PARAM)
125# else
126#  define YYPARSE_DECL() yyparse(void *YYPARSE_PARAM)
127# endif
128#else
129# define YYPARSE_DECL() yyparse(int regs[26], int *base)
130#endif
131
132/* Parameters sent to lex. */
133#ifdef YYLEX_PARAM
134# define YYLEX_DECL() yylex(void *YYLEX_PARAM)
135# define YYLEX yylex(YYLEX_PARAM)
136#else
137# define YYLEX_DECL() yylex(int *base)
138# define YYLEX yylex(base)
139#endif
140
141/* Parameters sent to yyerror. */
142#ifndef YYERROR_DECL
143#define YYERROR_DECL() yyerror(int regs[26], int *base, const char *s)
144#endif
145#ifndef YYERROR_CALL
146#define YYERROR_CALL(msg) yyerror(regs, base, msg)
147#endif
148
149extern int YYPARSE_DECL();
150
151#define DIGIT 257
152#define LETTER 258
153#define UMINUS 259
154#define YYERRCODE 256
155typedef int YYINT;
156static const YYINT calc2_lhs[] = {                       -1,
157    0,    0,    0,    1,    1,    2,    2,    2,    2,    2,
158    2,    2,    2,    2,    2,    2,    3,    3,
159};
160static const YYINT calc2_len[] = {                        2,
161    0,    3,    3,    1,    3,    3,    3,    3,    3,    3,
162    3,    3,    3,    2,    1,    1,    1,    2,
163};
164static const YYINT calc2_defred[] = {                     1,
165    0,    0,   17,    0,    0,    0,    0,    0,    0,    3,
166    0,   15,   14,    0,    2,    0,    0,    0,    0,    0,
167    0,    0,   18,    0,    6,    0,    0,    0,    0,    9,
168   10,   11,
169};
170static const YYINT calc2_dgoto[] = {                      1,
171    7,    8,    9,
172};
173static const YYINT calc2_sindex[] = {                     0,
174  -40,   -7,    0,  -55,  -38,  -38,    1,  -29, -247,    0,
175  -38,    0,    0,   22,    0,  -38,  -38,  -38,  -38,  -38,
176  -38,  -38,    0,  -29,    0,   51,   60,  -20,  -20,    0,
177    0,    0,
178};
179static const YYINT calc2_rindex[] = {                     0,
180    0,    0,    0,    2,    0,    0,    0,    9,   -9,    0,
181    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
182    0,    0,    0,   10,    0,   -6,   14,    5,   13,    0,
183    0,    0,
184};
185static const YYINT calc2_gindex[] = {                     0,
186    0,   65,    0,
187};
188#define YYTABLESIZE 220
189static const YYINT calc2_table[] = {                      6,
190   16,    6,   10,   13,    5,   11,    5,   22,   17,   23,
191   15,   15,   20,   18,    7,   19,   22,   21,    4,    5,
192    0,   20,    8,   12,    0,    0,   21,   16,   16,    0,
193    0,   16,   16,   16,   13,   16,    0,   16,   15,   15,
194    0,    0,    7,   15,   15,    7,   15,    7,   15,    7,
195    8,   12,    0,    8,   12,    8,    0,    8,   22,   17,
196    0,    0,   25,   20,   18,    0,   19,    0,   21,   13,
197   14,    0,    0,    0,    0,   24,    0,    0,    0,    0,
198   26,   27,   28,   29,   30,   31,   32,   22,   17,    0,
199    0,    0,   20,   18,   16,   19,   22,   21,    0,    0,
200    0,   20,   18,    0,   19,    0,   21,    0,    0,    0,
201    0,    0,    0,    0,   16,    0,    0,   13,    0,    0,
202    0,    0,    0,    0,    0,   15,    0,    0,    7,    0,
203    0,    0,    0,    0,    0,    0,    8,   12,    0,    0,
204    0,    0,    0,    0,    0,   16,    0,    0,    0,    0,
205    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
206    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
207    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
208    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
209    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
210    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
211    0,    0,    0,    0,    0,    2,    3,    4,    3,   12,
212};
213static const YYINT calc2_check[] = {                     40,
214   10,   40,   10,   10,   45,   61,   45,   37,   38,  257,
215   10,   10,   42,   43,   10,   45,   37,   47,   10,   10,
216   -1,   42,   10,   10,   -1,   -1,   47,   37,   38,   -1,
217   -1,   41,   42,   43,   41,   45,   -1,   47,   37,   38,
218   -1,   -1,   38,   42,   43,   41,   45,   43,   47,   45,
219   38,   38,   -1,   41,   41,   43,   -1,   45,   37,   38,
220   -1,   -1,   41,   42,   43,   -1,   45,   -1,   47,    5,
221    6,   -1,   -1,   -1,   -1,   11,   -1,   -1,   -1,   -1,
222   16,   17,   18,   19,   20,   21,   22,   37,   38,   -1,
223   -1,   -1,   42,   43,  124,   45,   37,   47,   -1,   -1,
224   -1,   42,   43,   -1,   45,   -1,   47,   -1,   -1,   -1,
225   -1,   -1,   -1,   -1,  124,   -1,   -1,  124,   -1,   -1,
226   -1,   -1,   -1,   -1,   -1,  124,   -1,   -1,  124,   -1,
227   -1,   -1,   -1,   -1,   -1,   -1,  124,  124,   -1,   -1,
228   -1,   -1,   -1,   -1,   -1,  124,   -1,   -1,   -1,   -1,
229   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
230   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
231   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
232   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
233   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
234   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
235   -1,   -1,   -1,   -1,   -1,  256,  257,  258,  257,  258,
236};
237#define YYFINAL 1
238#ifndef YYDEBUG
239#define YYDEBUG 0
240#endif
241#define YYMAXTOKEN 259
242#define YYUNDFTOKEN 265
243#define YYTRANSLATE(a) ((a) > YYMAXTOKEN ? YYUNDFTOKEN : (a))
244#if YYDEBUG
245static const char *const calc2_name[] = {
246
247"end-of-file",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,
2480,0,0,0,0,0,"'%'","'&'",0,"'('","')'","'*'","'+'",0,"'-'",0,"'/'",0,0,0,0,0,0,0,
2490,0,0,0,0,0,"'='",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,
2500,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"'|'",0,0,0,0,0,0,
2510,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
2520,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
2530,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
2540,0,0,0,0,0,"DIGIT","LETTER","UMINUS",0,0,0,0,0,"illegal-symbol",
255};
256static const char *const calc2_rule[] = {
257"$accept : list",
258"list :",
259"list : list stat '\\n'",
260"list : list error '\\n'",
261"stat : expr",
262"stat : LETTER '=' expr",
263"expr : '(' expr ')'",
264"expr : expr '+' expr",
265"expr : expr '-' expr",
266"expr : expr '*' expr",
267"expr : expr '/' expr",
268"expr : expr '%' expr",
269"expr : expr '&' expr",
270"expr : expr '|' expr",
271"expr : '-' expr",
272"expr : LETTER",
273"expr : number",
274"number : DIGIT",
275"number : number DIGIT",
276
277};
278#endif
279
280int      yydebug;
281int      yynerrs;
282
283int      yyerrflag;
284int      yychar;
285YYSTYPE  yyval;
286YYSTYPE  yylval;
287
288/* define the initial stack-sizes */
289#ifdef YYSTACKSIZE
290#undef YYMAXDEPTH
291#define YYMAXDEPTH  YYSTACKSIZE
292#else
293#ifdef YYMAXDEPTH
294#define YYSTACKSIZE YYMAXDEPTH
295#else
296#define YYSTACKSIZE 10000
297#define YYMAXDEPTH  10000
298#endif
299#endif
300
301#define YYINITSTACKSIZE 200
302
303typedef struct {
304    unsigned stacksize;
305    YYINT    *s_base;
306    YYINT    *s_mark;
307    YYINT    *s_last;
308    YYSTYPE  *l_base;
309    YYSTYPE  *l_mark;
310} YYSTACKDATA;
311/* variables for the parser stack */
312static YYSTACKDATA yystack;
313#line 73 "calc2.y"
314 /* start of programs */
315
316#ifdef YYBYACC
317extern int YYLEX_DECL();
318#endif
319
320int
321main (void)
322{
323    int regs[26];
324    int base = 10;
325
326    while(!feof(stdin)) {
327	yyparse(regs, &base);
328    }
329    return 0;
330}
331
332#define UNUSED(x) ((void)(x))
333
334static void
335YYERROR_DECL()
336{
337    UNUSED(regs); /* %parse-param regs is not actually used here */
338    UNUSED(base); /* %parse-param base is not actually used here */
339    fprintf(stderr, "%s\n", s);
340}
341
342int
343YYLEX_DECL()
344{
345	/* lexical analysis routine */
346	/* returns LETTER for a lower case letter, yylval = 0 through 25 */
347	/* return DIGIT for a digit, yylval = 0 through 9 */
348	/* all other characters are returned immediately */
349
350    int c;
351
352    while( (c=getchar()) == ' ' )   { /* skip blanks */ }
353
354    /* c is now nonblank */
355
356    if( islower( c )) {
357	yylval = c - 'a';
358	return ( LETTER );
359    }
360    if( isdigit( c )) {
361	yylval = (c - '0') % (*base);
362	return ( DIGIT );
363    }
364    return( c );
365}
366#line 367 "calc2.tab.c"
367
368#if YYDEBUG
369#include <stdio.h>		/* needed for printf */
370#endif
371
372#include <stdlib.h>	/* needed for malloc, etc */
373#include <string.h>	/* needed for memset */
374
375/* allocate initial stack or double stack size, up to YYMAXDEPTH */
376static int yygrowstack(YYSTACKDATA *data)
377{
378    int i;
379    unsigned newsize;
380    YYINT *newss;
381    YYSTYPE *newvs;
382
383    if ((newsize = data->stacksize) == 0)
384        newsize = YYINITSTACKSIZE;
385    else if (newsize >= YYMAXDEPTH)
386        return YYENOMEM;
387    else if ((newsize *= 2) > YYMAXDEPTH)
388        newsize = YYMAXDEPTH;
389
390    i = (int) (data->s_mark - data->s_base);
391    newss = (YYINT *)realloc(data->s_base, newsize * sizeof(*newss));
392    if (newss == 0)
393        return YYENOMEM;
394
395    data->s_base = newss;
396    data->s_mark = newss + i;
397
398    newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs));
399    if (newvs == 0)
400        return YYENOMEM;
401
402    data->l_base = newvs;
403    data->l_mark = newvs + i;
404
405    data->stacksize = newsize;
406    data->s_last = data->s_base + newsize - 1;
407    return 0;
408}
409
410#if YYPURE || defined(YY_NO_LEAKS)
411static void yyfreestack(YYSTACKDATA *data)
412{
413    free(data->s_base);
414    free(data->l_base);
415    memset(data, 0, sizeof(*data));
416}
417#else
418#define yyfreestack(data) /* nothing */
419#endif
420
421#define YYABORT  goto yyabort
422#define YYREJECT goto yyabort
423#define YYACCEPT goto yyaccept
424#define YYERROR  goto yyerrlab
425
426int
427YYPARSE_DECL()
428{
429    int yym, yyn, yystate;
430#if YYDEBUG
431    const char *yys;
432
433    if ((yys = getenv("YYDEBUG")) != 0)
434    {
435        yyn = *yys;
436        if (yyn >= '0' && yyn <= '9')
437            yydebug = yyn - '0';
438    }
439#endif
440
441    yynerrs = 0;
442    yyerrflag = 0;
443    yychar = YYEMPTY;
444    yystate = 0;
445
446#if YYPURE
447    memset(&yystack, 0, sizeof(yystack));
448#endif
449
450    if (yystack.s_base == NULL && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
451    yystack.s_mark = yystack.s_base;
452    yystack.l_mark = yystack.l_base;
453    yystate = 0;
454    *yystack.s_mark = 0;
455
456yyloop:
457    if ((yyn = yydefred[yystate]) != 0) goto yyreduce;
458    if (yychar < 0)
459    {
460        if ((yychar = YYLEX) < 0) yychar = YYEOF;
461#if YYDEBUG
462        if (yydebug)
463        {
464            yys = yyname[YYTRANSLATE(yychar)];
465            printf("%sdebug: state %d, reading %d (%s)\n",
466                    YYPREFIX, yystate, yychar, yys);
467        }
468#endif
469    }
470    if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 &&
471            yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
472    {
473#if YYDEBUG
474        if (yydebug)
475            printf("%sdebug: state %d, shifting to state %d\n",
476                    YYPREFIX, yystate, yytable[yyn]);
477#endif
478        if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM)
479        {
480            goto yyoverflow;
481        }
482        yystate = yytable[yyn];
483        *++yystack.s_mark = yytable[yyn];
484        *++yystack.l_mark = yylval;
485        yychar = YYEMPTY;
486        if (yyerrflag > 0)  --yyerrflag;
487        goto yyloop;
488    }
489    if ((yyn = yyrindex[yystate]) && (yyn += yychar) >= 0 &&
490            yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
491    {
492        yyn = yytable[yyn];
493        goto yyreduce;
494    }
495    if (yyerrflag) goto yyinrecovery;
496
497    YYERROR_CALL("syntax error");
498
499    goto yyerrlab;
500
501yyerrlab:
502    ++yynerrs;
503
504yyinrecovery:
505    if (yyerrflag < 3)
506    {
507        yyerrflag = 3;
508        for (;;)
509        {
510            if ((yyn = yysindex[*yystack.s_mark]) && (yyn += YYERRCODE) >= 0 &&
511                    yyn <= YYTABLESIZE && yycheck[yyn] == YYERRCODE)
512            {
513#if YYDEBUG
514                if (yydebug)
515                    printf("%sdebug: state %d, error recovery shifting\
516 to state %d\n", YYPREFIX, *yystack.s_mark, yytable[yyn]);
517#endif
518                if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM)
519                {
520                    goto yyoverflow;
521                }
522                yystate = yytable[yyn];
523                *++yystack.s_mark = yytable[yyn];
524                *++yystack.l_mark = yylval;
525                goto yyloop;
526            }
527            else
528            {
529#if YYDEBUG
530                if (yydebug)
531                    printf("%sdebug: error recovery discarding state %d\n",
532                            YYPREFIX, *yystack.s_mark);
533#endif
534                if (yystack.s_mark <= yystack.s_base) goto yyabort;
535                --yystack.s_mark;
536                --yystack.l_mark;
537            }
538        }
539    }
540    else
541    {
542        if (yychar == YYEOF) goto yyabort;
543#if YYDEBUG
544        if (yydebug)
545        {
546            yys = yyname[YYTRANSLATE(yychar)];
547            printf("%sdebug: state %d, error recovery discards token %d (%s)\n",
548                    YYPREFIX, yystate, yychar, yys);
549        }
550#endif
551        yychar = YYEMPTY;
552        goto yyloop;
553    }
554
555yyreduce:
556#if YYDEBUG
557    if (yydebug)
558        printf("%sdebug: state %d, reducing by rule %d (%s)\n",
559                YYPREFIX, yystate, yyn, yyrule[yyn]);
560#endif
561    yym = yylen[yyn];
562    if (yym)
563        yyval = yystack.l_mark[1-yym];
564    else
565        memset(&yyval, 0, sizeof yyval);
566    switch (yyn)
567    {
568case 3:
569#line 35 "calc2.y"
570	{  yyerrok ; }
571break;
572case 4:
573#line 39 "calc2.y"
574	{  printf("%d\n",yystack.l_mark[0]);}
575break;
576case 5:
577#line 41 "calc2.y"
578	{  regs[yystack.l_mark[-2]] = yystack.l_mark[0]; }
579break;
580case 6:
581#line 45 "calc2.y"
582	{  yyval = yystack.l_mark[-1]; }
583break;
584case 7:
585#line 47 "calc2.y"
586	{  yyval = yystack.l_mark[-2] + yystack.l_mark[0]; }
587break;
588case 8:
589#line 49 "calc2.y"
590	{  yyval = yystack.l_mark[-2] - yystack.l_mark[0]; }
591break;
592case 9:
593#line 51 "calc2.y"
594	{  yyval = yystack.l_mark[-2] * yystack.l_mark[0]; }
595break;
596case 10:
597#line 53 "calc2.y"
598	{  yyval = yystack.l_mark[-2] / yystack.l_mark[0]; }
599break;
600case 11:
601#line 55 "calc2.y"
602	{  yyval = yystack.l_mark[-2] % yystack.l_mark[0]; }
603break;
604case 12:
605#line 57 "calc2.y"
606	{  yyval = yystack.l_mark[-2] & yystack.l_mark[0]; }
607break;
608case 13:
609#line 59 "calc2.y"
610	{  yyval = yystack.l_mark[-2] | yystack.l_mark[0]; }
611break;
612case 14:
613#line 61 "calc2.y"
614	{  yyval = - yystack.l_mark[0]; }
615break;
616case 15:
617#line 63 "calc2.y"
618	{  yyval = regs[yystack.l_mark[0]]; }
619break;
620case 17:
621#line 68 "calc2.y"
622	{  yyval = yystack.l_mark[0]; (*base) = (yystack.l_mark[0]==0) ? 8 : 10; }
623break;
624case 18:
625#line 70 "calc2.y"
626	{  yyval = (*base) * yystack.l_mark[-1] + yystack.l_mark[0]; }
627break;
628#line 629 "calc2.tab.c"
629    }
630    yystack.s_mark -= yym;
631    yystate = *yystack.s_mark;
632    yystack.l_mark -= yym;
633    yym = yylhs[yyn];
634    if (yystate == 0 && yym == 0)
635    {
636#if YYDEBUG
637        if (yydebug)
638            printf("%sdebug: after reduction, shifting from state 0 to\
639 state %d\n", YYPREFIX, YYFINAL);
640#endif
641        yystate = YYFINAL;
642        *++yystack.s_mark = YYFINAL;
643        *++yystack.l_mark = yyval;
644        if (yychar < 0)
645        {
646            if ((yychar = YYLEX) < 0) yychar = YYEOF;
647#if YYDEBUG
648            if (yydebug)
649            {
650                yys = yyname[YYTRANSLATE(yychar)];
651                printf("%sdebug: state %d, reading %d (%s)\n",
652                        YYPREFIX, YYFINAL, yychar, yys);
653            }
654#endif
655        }
656        if (yychar == YYEOF) goto yyaccept;
657        goto yyloop;
658    }
659    if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 &&
660            yyn <= YYTABLESIZE && yycheck[yyn] == yystate)
661        yystate = yytable[yyn];
662    else
663        yystate = yydgoto[yym];
664#if YYDEBUG
665    if (yydebug)
666        printf("%sdebug: after reduction, shifting from state %d \
667to state %d\n", YYPREFIX, *yystack.s_mark, yystate);
668#endif
669    if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM)
670    {
671        goto yyoverflow;
672    }
673    *++yystack.s_mark = (YYINT) yystate;
674    *++yystack.l_mark = yyval;
675    goto yyloop;
676
677yyoverflow:
678    YYERROR_CALL("yacc stack overflow");
679
680yyabort:
681    yyfreestack(&yystack);
682    return (1);
683
684yyaccept:
685    yyfreestack(&yystack);
686    return (0);
687}
688