error.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    error_parse
19#endif /* yyparse */
20
21#ifndef yylex
22#define yylex      error_lex
23#endif /* yylex */
24
25#ifndef yyerror
26#define yyerror    error_error
27#endif /* yyerror */
28
29#ifndef yychar
30#define yychar     error_char
31#endif /* yychar */
32
33#ifndef yyval
34#define yyval      error_val
35#endif /* yyval */
36
37#ifndef yylval
38#define yylval     error_lval
39#endif /* yylval */
40
41#ifndef yydebug
42#define yydebug    error_debug
43#endif /* yydebug */
44
45#ifndef yynerrs
46#define yynerrs    error_nerrs
47#endif /* yynerrs */
48
49#ifndef yyerrflag
50#define yyerrflag  error_errflag
51#endif /* yyerrflag */
52
53#ifndef yylhs
54#define yylhs      error_lhs
55#endif /* yylhs */
56
57#ifndef yylen
58#define yylen      error_len
59#endif /* yylen */
60
61#ifndef yydefred
62#define yydefred   error_defred
63#endif /* yydefred */
64
65#ifndef yydgoto
66#define yydgoto    error_dgoto
67#endif /* yydgoto */
68
69#ifndef yysindex
70#define yysindex   error_sindex
71#endif /* yysindex */
72
73#ifndef yyrindex
74#define yyrindex   error_rindex
75#endif /* yyrindex */
76
77#ifndef yygindex
78#define yygindex   error_gindex
79#endif /* yygindex */
80
81#ifndef yytable
82#define yytable    error_table
83#endif /* yytable */
84
85#ifndef yycheck
86#define yycheck    error_check
87#endif /* yycheck */
88
89#ifndef yyname
90#define yyname     error_name
91#endif /* yyname */
92
93#ifndef yyrule
94#define yyrule     error_rule
95#endif /* yyrule */
96#define YYPREFIX "error_"
97
98#define YYPURE 0
99
100#line 2 "error.y"
101int yylex(void);
102static void yyerror(const char *);
103#line 104 "error.tab.c"
104
105#if ! defined(YYSTYPE) && ! defined(YYSTYPE_IS_DECLARED)
106/* Default: YYSTYPE is the semantic value type. */
107typedef int YYSTYPE;
108# define YYSTYPE_IS_DECLARED 1
109#endif
110
111/* compatibility with bison */
112#ifdef YYPARSE_PARAM
113/* compatibility with FreeBSD */
114# ifdef YYPARSE_PARAM_TYPE
115#  define YYPARSE_DECL() yyparse(YYPARSE_PARAM_TYPE YYPARSE_PARAM)
116# else
117#  define YYPARSE_DECL() yyparse(void *YYPARSE_PARAM)
118# endif
119#else
120# define YYPARSE_DECL() yyparse(void)
121#endif
122
123/* Parameters sent to lex. */
124#ifdef YYLEX_PARAM
125# define YYLEX_DECL() yylex(void *YYLEX_PARAM)
126# define YYLEX yylex(YYLEX_PARAM)
127#else
128# define YYLEX_DECL() yylex(void)
129# define YYLEX yylex()
130#endif
131
132/* Parameters sent to yyerror. */
133#ifndef YYERROR_DECL
134#define YYERROR_DECL() yyerror(const char *s)
135#endif
136#ifndef YYERROR_CALL
137#define YYERROR_CALL(msg) yyerror(msg)
138#endif
139
140extern int YYPARSE_DECL();
141
142#define YYERRCODE 256
143typedef int YYINT;
144static const YYINT error_lhs[] = {                       -1,
145    0,
146};
147static const YYINT error_len[] = {                        2,
148    1,
149};
150static const YYINT error_defred[] = {                     0,
151    1,    0,
152};
153static const YYINT error_dgoto[] = {                      2,
154};
155static const YYINT error_sindex[] = {                  -256,
156    0,    0,
157};
158static const YYINT error_rindex[] = {                     0,
159    0,    0,
160};
161static const YYINT error_gindex[] = {                     0,
162};
163#define YYTABLESIZE 0
164static const YYINT error_table[] = {                      1,
165};
166static const YYINT error_check[] = {                    256,
167};
168#define YYFINAL 2
169#ifndef YYDEBUG
170#define YYDEBUG 0
171#endif
172#define YYMAXTOKEN 256
173#define YYUNDFTOKEN 259
174#define YYTRANSLATE(a) ((a) > YYMAXTOKEN ? YYUNDFTOKEN : (a))
175#if YYDEBUG
176static const char *const error_name[] = {
177
178"end-of-file",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,
1790,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
1800,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
1810,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
1820,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
1830,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
1840,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"illegal-symbol",
185};
186static const char *const error_rule[] = {
187"$accept : S",
188"S : error",
189
190};
191#endif
192
193int      yydebug;
194int      yynerrs;
195
196int      yyerrflag;
197int      yychar;
198YYSTYPE  yyval;
199YYSTYPE  yylval;
200
201/* define the initial stack-sizes */
202#ifdef YYSTACKSIZE
203#undef YYMAXDEPTH
204#define YYMAXDEPTH  YYSTACKSIZE
205#else
206#ifdef YYMAXDEPTH
207#define YYSTACKSIZE YYMAXDEPTH
208#else
209#define YYSTACKSIZE 10000
210#define YYMAXDEPTH  10000
211#endif
212#endif
213
214#define YYINITSTACKSIZE 200
215
216typedef struct {
217    unsigned stacksize;
218    YYINT    *s_base;
219    YYINT    *s_mark;
220    YYINT    *s_last;
221    YYSTYPE  *l_base;
222    YYSTYPE  *l_mark;
223} YYSTACKDATA;
224/* variables for the parser stack */
225static YYSTACKDATA yystack;
226#line 8 "error.y"
227
228#include <stdio.h>
229
230int
231main(void)
232{
233    printf("yyparse() = %d\n", yyparse());
234    return 0;
235}
236
237int
238yylex(void)
239{
240    return -1;
241}
242
243static void
244yyerror(const char* s)
245{
246    printf("%s\n", s);
247}
248#line 249 "error.tab.c"
249
250#if YYDEBUG
251#include <stdio.h>		/* needed for printf */
252#endif
253
254#include <stdlib.h>	/* needed for malloc, etc */
255#include <string.h>	/* needed for memset */
256
257/* allocate initial stack or double stack size, up to YYMAXDEPTH */
258static int yygrowstack(YYSTACKDATA *data)
259{
260    int i;
261    unsigned newsize;
262    YYINT *newss;
263    YYSTYPE *newvs;
264
265    if ((newsize = data->stacksize) == 0)
266        newsize = YYINITSTACKSIZE;
267    else if (newsize >= YYMAXDEPTH)
268        return YYENOMEM;
269    else if ((newsize *= 2) > YYMAXDEPTH)
270        newsize = YYMAXDEPTH;
271
272    i = (int) (data->s_mark - data->s_base);
273    newss = (YYINT *)realloc(data->s_base, newsize * sizeof(*newss));
274    if (newss == 0)
275        return YYENOMEM;
276
277    data->s_base = newss;
278    data->s_mark = newss + i;
279
280    newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs));
281    if (newvs == 0)
282        return YYENOMEM;
283
284    data->l_base = newvs;
285    data->l_mark = newvs + i;
286
287    data->stacksize = newsize;
288    data->s_last = data->s_base + newsize - 1;
289    return 0;
290}
291
292#if YYPURE || defined(YY_NO_LEAKS)
293static void yyfreestack(YYSTACKDATA *data)
294{
295    free(data->s_base);
296    free(data->l_base);
297    memset(data, 0, sizeof(*data));
298}
299#else
300#define yyfreestack(data) /* nothing */
301#endif
302
303#define YYABORT  goto yyabort
304#define YYREJECT goto yyabort
305#define YYACCEPT goto yyaccept
306#define YYERROR  goto yyerrlab
307
308int
309YYPARSE_DECL()
310{
311    int yym, yyn, yystate;
312#if YYDEBUG
313    const char *yys;
314
315    if ((yys = getenv("YYDEBUG")) != 0)
316    {
317        yyn = *yys;
318        if (yyn >= '0' && yyn <= '9')
319            yydebug = yyn - '0';
320    }
321#endif
322
323    yynerrs = 0;
324    yyerrflag = 0;
325    yychar = YYEMPTY;
326    yystate = 0;
327
328#if YYPURE
329    memset(&yystack, 0, sizeof(yystack));
330#endif
331
332    if (yystack.s_base == NULL && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
333    yystack.s_mark = yystack.s_base;
334    yystack.l_mark = yystack.l_base;
335    yystate = 0;
336    *yystack.s_mark = 0;
337
338yyloop:
339    if ((yyn = yydefred[yystate]) != 0) goto yyreduce;
340    if (yychar < 0)
341    {
342        if ((yychar = YYLEX) < 0) yychar = YYEOF;
343#if YYDEBUG
344        if (yydebug)
345        {
346            yys = yyname[YYTRANSLATE(yychar)];
347            printf("%sdebug: state %d, reading %d (%s)\n",
348                    YYPREFIX, yystate, yychar, yys);
349        }
350#endif
351    }
352    if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 &&
353            yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
354    {
355#if YYDEBUG
356        if (yydebug)
357            printf("%sdebug: state %d, shifting to state %d\n",
358                    YYPREFIX, yystate, yytable[yyn]);
359#endif
360        if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM)
361        {
362            goto yyoverflow;
363        }
364        yystate = yytable[yyn];
365        *++yystack.s_mark = yytable[yyn];
366        *++yystack.l_mark = yylval;
367        yychar = YYEMPTY;
368        if (yyerrflag > 0)  --yyerrflag;
369        goto yyloop;
370    }
371    if ((yyn = yyrindex[yystate]) && (yyn += yychar) >= 0 &&
372            yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
373    {
374        yyn = yytable[yyn];
375        goto yyreduce;
376    }
377    if (yyerrflag) goto yyinrecovery;
378
379    YYERROR_CALL("syntax error");
380
381    goto yyerrlab;
382
383yyerrlab:
384    ++yynerrs;
385
386yyinrecovery:
387    if (yyerrflag < 3)
388    {
389        yyerrflag = 3;
390        for (;;)
391        {
392            if ((yyn = yysindex[*yystack.s_mark]) && (yyn += YYERRCODE) >= 0 &&
393                    yyn <= YYTABLESIZE && yycheck[yyn] == YYERRCODE)
394            {
395#if YYDEBUG
396                if (yydebug)
397                    printf("%sdebug: state %d, error recovery shifting\
398 to state %d\n", YYPREFIX, *yystack.s_mark, yytable[yyn]);
399#endif
400                if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM)
401                {
402                    goto yyoverflow;
403                }
404                yystate = yytable[yyn];
405                *++yystack.s_mark = yytable[yyn];
406                *++yystack.l_mark = yylval;
407                goto yyloop;
408            }
409            else
410            {
411#if YYDEBUG
412                if (yydebug)
413                    printf("%sdebug: error recovery discarding state %d\n",
414                            YYPREFIX, *yystack.s_mark);
415#endif
416                if (yystack.s_mark <= yystack.s_base) goto yyabort;
417                --yystack.s_mark;
418                --yystack.l_mark;
419            }
420        }
421    }
422    else
423    {
424        if (yychar == YYEOF) goto yyabort;
425#if YYDEBUG
426        if (yydebug)
427        {
428            yys = yyname[YYTRANSLATE(yychar)];
429            printf("%sdebug: state %d, error recovery discards token %d (%s)\n",
430                    YYPREFIX, yystate, yychar, yys);
431        }
432#endif
433        yychar = YYEMPTY;
434        goto yyloop;
435    }
436
437yyreduce:
438#if YYDEBUG
439    if (yydebug)
440        printf("%sdebug: state %d, reducing by rule %d (%s)\n",
441                YYPREFIX, yystate, yyn, yyrule[yyn]);
442#endif
443    yym = yylen[yyn];
444    if (yym)
445        yyval = yystack.l_mark[1-yym];
446    else
447        memset(&yyval, 0, sizeof yyval);
448    switch (yyn)
449    {
450    }
451    yystack.s_mark -= yym;
452    yystate = *yystack.s_mark;
453    yystack.l_mark -= yym;
454    yym = yylhs[yyn];
455    if (yystate == 0 && yym == 0)
456    {
457#if YYDEBUG
458        if (yydebug)
459            printf("%sdebug: after reduction, shifting from state 0 to\
460 state %d\n", YYPREFIX, YYFINAL);
461#endif
462        yystate = YYFINAL;
463        *++yystack.s_mark = YYFINAL;
464        *++yystack.l_mark = yyval;
465        if (yychar < 0)
466        {
467            if ((yychar = YYLEX) < 0) yychar = YYEOF;
468#if YYDEBUG
469            if (yydebug)
470            {
471                yys = yyname[YYTRANSLATE(yychar)];
472                printf("%sdebug: state %d, reading %d (%s)\n",
473                        YYPREFIX, YYFINAL, yychar, yys);
474            }
475#endif
476        }
477        if (yychar == YYEOF) goto yyaccept;
478        goto yyloop;
479    }
480    if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 &&
481            yyn <= YYTABLESIZE && yycheck[yyn] == yystate)
482        yystate = yytable[yyn];
483    else
484        yystate = yydgoto[yym];
485#if YYDEBUG
486    if (yydebug)
487        printf("%sdebug: after reduction, shifting from state %d \
488to state %d\n", YYPREFIX, *yystack.s_mark, yystate);
489#endif
490    if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM)
491    {
492        goto yyoverflow;
493    }
494    *++yystack.s_mark = (YYINT) yystate;
495    *++yystack.l_mark = yyval;
496    goto yyloop;
497
498yyoverflow:
499    YYERROR_CALL("yacc stack overflow");
500
501yyabort:
502    yyfreestack(&yystack);
503    return (1);
504
505yyaccept:
506    yyfreestack(&yystack);
507    return (0);
508}
509