pure_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 1
99
100#line 2 "pure_error.y"
101
102#ifdef YYBISON
103#define YYSTYPE int
104#define YYLEX_PARAM &yylval
105#define YYLEX_DECL() yylex(YYSTYPE *yylval)
106#define YYERROR_DECL() yyerror(const char *s)
107int YYLEX_DECL();
108static void YYERROR_DECL();
109#endif
110
111#line 112 "pure_error.tab.c"
112
113#if ! defined(YYSTYPE) && ! defined(YYSTYPE_IS_DECLARED)
114/* Default: YYSTYPE is the semantic value type. */
115typedef int YYSTYPE;
116# define YYSTYPE_IS_DECLARED 1
117#endif
118
119/* compatibility with bison */
120#ifdef YYPARSE_PARAM
121/* compatibility with FreeBSD */
122# ifdef YYPARSE_PARAM_TYPE
123#  define YYPARSE_DECL() yyparse(YYPARSE_PARAM_TYPE YYPARSE_PARAM)
124# else
125#  define YYPARSE_DECL() yyparse(void *YYPARSE_PARAM)
126# endif
127#else
128# define YYPARSE_DECL() yyparse(void)
129#endif
130
131/* Parameters sent to lex. */
132#ifdef YYLEX_PARAM
133# ifdef YYLEX_PARAM_TYPE
134#  define YYLEX_DECL() yylex(YYSTYPE *yylval, YYLEX_PARAM_TYPE YYLEX_PARAM)
135# else
136#  define YYLEX_DECL() yylex(YYSTYPE *yylval, void * YYLEX_PARAM)
137# endif
138# define YYLEX yylex(&yylval, YYLEX_PARAM)
139#else
140# define YYLEX_DECL() yylex(YYSTYPE *yylval)
141# define YYLEX yylex(&yylval)
142#endif
143
144/* Parameters sent to yyerror. */
145#ifndef YYERROR_DECL
146#define YYERROR_DECL() yyerror(const char *s)
147#endif
148#ifndef YYERROR_CALL
149#define YYERROR_CALL(msg) yyerror(msg)
150#endif
151
152extern int YYPARSE_DECL();
153
154#define YYERRCODE 256
155typedef int YYINT;
156static const YYINT error_lhs[] = {                       -1,
157    0,
158};
159static const YYINT error_len[] = {                        2,
160    1,
161};
162static const YYINT error_defred[] = {                     0,
163    1,    0,
164};
165static const YYINT error_dgoto[] = {                      2,
166};
167static const YYINT error_sindex[] = {                  -256,
168    0,    0,
169};
170static const YYINT error_rindex[] = {                     0,
171    0,    0,
172};
173static const YYINT error_gindex[] = {                     0,
174};
175#define YYTABLESIZE 0
176static const YYINT error_table[] = {                      1,
177};
178static const YYINT error_check[] = {                    256,
179};
180#define YYFINAL 2
181#ifndef YYDEBUG
182#define YYDEBUG 0
183#endif
184#define YYMAXTOKEN 256
185#define YYUNDFTOKEN 259
186#define YYTRANSLATE(a) ((a) > YYMAXTOKEN ? YYUNDFTOKEN : (a))
187#if YYDEBUG
188static const char *const error_name[] = {
189
190"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,
1910,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
1920,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
1930,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
1940,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
1950,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
1960,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"illegal-symbol",
197};
198static const char *const error_rule[] = {
199"$accept : S",
200"S : error",
201
202};
203#endif
204
205int      yydebug;
206int      yynerrs;
207
208/* define the initial stack-sizes */
209#ifdef YYSTACKSIZE
210#undef YYMAXDEPTH
211#define YYMAXDEPTH  YYSTACKSIZE
212#else
213#ifdef YYMAXDEPTH
214#define YYSTACKSIZE YYMAXDEPTH
215#else
216#define YYSTACKSIZE 10000
217#define YYMAXDEPTH  10000
218#endif
219#endif
220
221#define YYINITSTACKSIZE 200
222
223typedef struct {
224    unsigned stacksize;
225    YYINT    *s_base;
226    YYINT    *s_mark;
227    YYINT    *s_last;
228    YYSTYPE  *l_base;
229    YYSTYPE  *l_mark;
230} YYSTACKDATA;
231#line 17 "pure_error.y"
232
233#include <stdio.h>
234
235#ifdef YYBYACC
236extern int YYLEX_DECL();
237#endif
238
239int
240main(void)
241{
242    printf("yyparse() = %d\n", yyparse());
243    return 0;
244}
245
246int
247yylex(YYSTYPE *value)
248{
249    return value ? 0 : -1;
250}
251
252static void
253yyerror(const char* s)
254{
255    printf("%s\n", s);
256}
257#line 258 "pure_error.tab.c"
258
259#if YYDEBUG
260#include <stdio.h>		/* needed for printf */
261#endif
262
263#include <stdlib.h>	/* needed for malloc, etc */
264#include <string.h>	/* needed for memset */
265
266/* allocate initial stack or double stack size, up to YYMAXDEPTH */
267static int yygrowstack(YYSTACKDATA *data)
268{
269    int i;
270    unsigned newsize;
271    YYINT *newss;
272    YYSTYPE *newvs;
273
274    if ((newsize = data->stacksize) == 0)
275        newsize = YYINITSTACKSIZE;
276    else if (newsize >= YYMAXDEPTH)
277        return YYENOMEM;
278    else if ((newsize *= 2) > YYMAXDEPTH)
279        newsize = YYMAXDEPTH;
280
281    i = (int) (data->s_mark - data->s_base);
282    newss = (YYINT *)realloc(data->s_base, newsize * sizeof(*newss));
283    if (newss == 0)
284        return YYENOMEM;
285
286    data->s_base = newss;
287    data->s_mark = newss + i;
288
289    newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs));
290    if (newvs == 0)
291        return YYENOMEM;
292
293    data->l_base = newvs;
294    data->l_mark = newvs + i;
295
296    data->stacksize = newsize;
297    data->s_last = data->s_base + newsize - 1;
298    return 0;
299}
300
301#if YYPURE || defined(YY_NO_LEAKS)
302static void yyfreestack(YYSTACKDATA *data)
303{
304    free(data->s_base);
305    free(data->l_base);
306    memset(data, 0, sizeof(*data));
307}
308#else
309#define yyfreestack(data) /* nothing */
310#endif
311
312#define YYABORT  goto yyabort
313#define YYREJECT goto yyabort
314#define YYACCEPT goto yyaccept
315#define YYERROR  goto yyerrlab
316
317int
318YYPARSE_DECL()
319{
320    int      yyerrflag;
321    int      yychar;
322    YYSTYPE  yyval;
323    YYSTYPE  yylval;
324
325    /* variables for the parser stack */
326    YYSTACKDATA yystack;
327    int yym, yyn, yystate;
328#if YYDEBUG
329    const char *yys;
330
331    if ((yys = getenv("YYDEBUG")) != 0)
332    {
333        yyn = *yys;
334        if (yyn >= '0' && yyn <= '9')
335            yydebug = yyn - '0';
336    }
337#endif
338
339    yynerrs = 0;
340    yyerrflag = 0;
341    yychar = YYEMPTY;
342    yystate = 0;
343
344#if YYPURE
345    memset(&yystack, 0, sizeof(yystack));
346#endif
347
348    if (yystack.s_base == NULL && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
349    yystack.s_mark = yystack.s_base;
350    yystack.l_mark = yystack.l_base;
351    yystate = 0;
352    *yystack.s_mark = 0;
353
354yyloop:
355    if ((yyn = yydefred[yystate]) != 0) goto yyreduce;
356    if (yychar < 0)
357    {
358        if ((yychar = YYLEX) < 0) yychar = YYEOF;
359#if YYDEBUG
360        if (yydebug)
361        {
362            yys = yyname[YYTRANSLATE(yychar)];
363            printf("%sdebug: state %d, reading %d (%s)\n",
364                    YYPREFIX, yystate, yychar, yys);
365        }
366#endif
367    }
368    if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 &&
369            yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
370    {
371#if YYDEBUG
372        if (yydebug)
373            printf("%sdebug: state %d, shifting to state %d\n",
374                    YYPREFIX, yystate, yytable[yyn]);
375#endif
376        if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM)
377        {
378            goto yyoverflow;
379        }
380        yystate = yytable[yyn];
381        *++yystack.s_mark = yytable[yyn];
382        *++yystack.l_mark = yylval;
383        yychar = YYEMPTY;
384        if (yyerrflag > 0)  --yyerrflag;
385        goto yyloop;
386    }
387    if ((yyn = yyrindex[yystate]) && (yyn += yychar) >= 0 &&
388            yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
389    {
390        yyn = yytable[yyn];
391        goto yyreduce;
392    }
393    if (yyerrflag) goto yyinrecovery;
394
395    YYERROR_CALL("syntax error");
396
397    goto yyerrlab;
398
399yyerrlab:
400    ++yynerrs;
401
402yyinrecovery:
403    if (yyerrflag < 3)
404    {
405        yyerrflag = 3;
406        for (;;)
407        {
408            if ((yyn = yysindex[*yystack.s_mark]) && (yyn += YYERRCODE) >= 0 &&
409                    yyn <= YYTABLESIZE && yycheck[yyn] == YYERRCODE)
410            {
411#if YYDEBUG
412                if (yydebug)
413                    printf("%sdebug: state %d, error recovery shifting\
414 to state %d\n", YYPREFIX, *yystack.s_mark, yytable[yyn]);
415#endif
416                if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM)
417                {
418                    goto yyoverflow;
419                }
420                yystate = yytable[yyn];
421                *++yystack.s_mark = yytable[yyn];
422                *++yystack.l_mark = yylval;
423                goto yyloop;
424            }
425            else
426            {
427#if YYDEBUG
428                if (yydebug)
429                    printf("%sdebug: error recovery discarding state %d\n",
430                            YYPREFIX, *yystack.s_mark);
431#endif
432                if (yystack.s_mark <= yystack.s_base) goto yyabort;
433                --yystack.s_mark;
434                --yystack.l_mark;
435            }
436        }
437    }
438    else
439    {
440        if (yychar == YYEOF) goto yyabort;
441#if YYDEBUG
442        if (yydebug)
443        {
444            yys = yyname[YYTRANSLATE(yychar)];
445            printf("%sdebug: state %d, error recovery discards token %d (%s)\n",
446                    YYPREFIX, yystate, yychar, yys);
447        }
448#endif
449        yychar = YYEMPTY;
450        goto yyloop;
451    }
452
453yyreduce:
454#if YYDEBUG
455    if (yydebug)
456        printf("%sdebug: state %d, reducing by rule %d (%s)\n",
457                YYPREFIX, yystate, yyn, yyrule[yyn]);
458#endif
459    yym = yylen[yyn];
460    if (yym)
461        yyval = yystack.l_mark[1-yym];
462    else
463        memset(&yyval, 0, sizeof yyval);
464    switch (yyn)
465    {
466    }
467    yystack.s_mark -= yym;
468    yystate = *yystack.s_mark;
469    yystack.l_mark -= yym;
470    yym = yylhs[yyn];
471    if (yystate == 0 && yym == 0)
472    {
473#if YYDEBUG
474        if (yydebug)
475            printf("%sdebug: after reduction, shifting from state 0 to\
476 state %d\n", YYPREFIX, YYFINAL);
477#endif
478        yystate = YYFINAL;
479        *++yystack.s_mark = YYFINAL;
480        *++yystack.l_mark = yyval;
481        if (yychar < 0)
482        {
483            if ((yychar = YYLEX) < 0) yychar = YYEOF;
484#if YYDEBUG
485            if (yydebug)
486            {
487                yys = yyname[YYTRANSLATE(yychar)];
488                printf("%sdebug: state %d, reading %d (%s)\n",
489                        YYPREFIX, YYFINAL, yychar, yys);
490            }
491#endif
492        }
493        if (yychar == YYEOF) goto yyaccept;
494        goto yyloop;
495    }
496    if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 &&
497            yyn <= YYTABLESIZE && yycheck[yyn] == yystate)
498        yystate = yytable[yyn];
499    else
500        yystate = yydgoto[yym];
501#if YYDEBUG
502    if (yydebug)
503        printf("%sdebug: after reduction, shifting from state %d \
504to state %d\n", YYPREFIX, *yystack.s_mark, yystate);
505#endif
506    if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM)
507    {
508        goto yyoverflow;
509    }
510    *++yystack.s_mark = (YYINT) yystate;
511    *++yystack.l_mark = yyval;
512    goto yyloop;
513
514yyoverflow:
515    YYERROR_CALL("yacc stack overflow");
516
517yyabort:
518    yyfreestack(&yystack);
519    return (1);
520
521yyaccept:
522    yyfreestack(&yystack);
523    return (0);
524}
525