err_syntax18.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    err_syntax18_parse
19#endif /* yyparse */
20
21#ifndef yylex
22#define yylex      err_syntax18_lex
23#endif /* yylex */
24
25#ifndef yyerror
26#define yyerror    err_syntax18_error
27#endif /* yyerror */
28
29#ifndef yychar
30#define yychar     err_syntax18_char
31#endif /* yychar */
32
33#ifndef yyval
34#define yyval      err_syntax18_val
35#endif /* yyval */
36
37#ifndef yylval
38#define yylval     err_syntax18_lval
39#endif /* yylval */
40
41#ifndef yydebug
42#define yydebug    err_syntax18_debug
43#endif /* yydebug */
44
45#ifndef yynerrs
46#define yynerrs    err_syntax18_nerrs
47#endif /* yynerrs */
48
49#ifndef yyerrflag
50#define yyerrflag  err_syntax18_errflag
51#endif /* yyerrflag */
52
53#ifndef yylhs
54#define yylhs      err_syntax18_lhs
55#endif /* yylhs */
56
57#ifndef yylen
58#define yylen      err_syntax18_len
59#endif /* yylen */
60
61#ifndef yydefred
62#define yydefred   err_syntax18_defred
63#endif /* yydefred */
64
65#ifndef yydgoto
66#define yydgoto    err_syntax18_dgoto
67#endif /* yydgoto */
68
69#ifndef yysindex
70#define yysindex   err_syntax18_sindex
71#endif /* yysindex */
72
73#ifndef yyrindex
74#define yyrindex   err_syntax18_rindex
75#endif /* yyrindex */
76
77#ifndef yygindex
78#define yygindex   err_syntax18_gindex
79#endif /* yygindex */
80
81#ifndef yytable
82#define yytable    err_syntax18_table
83#endif /* yytable */
84
85#ifndef yycheck
86#define yycheck    err_syntax18_check
87#endif /* yycheck */
88
89#ifndef yyname
90#define yyname     err_syntax18_name
91#endif /* yyname */
92
93#ifndef yyrule
94#define yyrule     err_syntax18_rule
95#endif /* yyrule */
96#define YYPREFIX "err_syntax18_"
97
98#define YYPURE 0
99
100#line 2 "err_syntax18.y"
101int yylex(void);
102static void yyerror(const char *);
103#line 104 "err_syntax18.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 err_syntax18_lhs[] = {                -1,
145    0,
146};
147static const YYINT err_syntax18_len[] = {                 2,
148    3,
149};
150static const YYINT err_syntax18_defred[] = {              0,
151    0,    0,    0,    1,
152};
153static const YYINT err_syntax18_dgoto[] = {               2,
154};
155static const YYINT err_syntax18_sindex[] = {            -40,
156  -40,    0,  -39,    0,
157};
158static const YYINT err_syntax18_rindex[] = {              0,
159    0,    0,    0,    0,
160};
161static const YYINT err_syntax18_gindex[] = {              2,
162};
163#define YYTABLESIZE 3
164static const YYINT err_syntax18_table[] = {               1,
165    0,    4,    3,
166};
167static const YYINT err_syntax18_check[] = {              40,
168   -1,   41,    1,
169};
170#define YYFINAL 2
171#ifndef YYDEBUG
172#define YYDEBUG 0
173#endif
174#define YYMAXTOKEN 256
175#define YYUNDFTOKEN 259
176#define YYTRANSLATE(a) ((a) > YYMAXTOKEN ? YYUNDFTOKEN : (a))
177#if YYDEBUG
178static const char *const err_syntax18_name[] = {
179
180"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,
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,
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,
1840,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
1850,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
1860,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"illegal-symbol",
187};
188static const char *const err_syntax18_rule[] = {
189"$accept : expr",
190"expr : '(' expr ')'",
191
192};
193#endif
194
195int      yydebug;
196int      yynerrs;
197
198int      yyerrflag;
199int      yychar;
200YYSTYPE  yyval;
201YYSTYPE  yylval;
202
203/* define the initial stack-sizes */
204#ifdef YYSTACKSIZE
205#undef YYMAXDEPTH
206#define YYMAXDEPTH  YYSTACKSIZE
207#else
208#ifdef YYMAXDEPTH
209#define YYSTACKSIZE YYMAXDEPTH
210#else
211#define YYSTACKSIZE 10000
212#define YYMAXDEPTH  10000
213#endif
214#endif
215
216#define YYINITSTACKSIZE 200
217
218typedef struct {
219    unsigned stacksize;
220    YYINT    *s_base;
221    YYINT    *s_mark;
222    YYINT    *s_last;
223    YYSTYPE  *l_base;
224    YYSTYPE  *l_mark;
225} YYSTACKDATA;
226/* variables for the parser stack */
227static YYSTACKDATA yystack;
228#line 13 "err_syntax18.y"
229
230#include <stdio.h>
231
232int
233main(void)
234{
235    printf("yyparse() = %d\n", yyparse());
236    return 0;
237}
238
239int
240yylex(void)
241{
242    return -1;
243}
244
245static void
246yyerror(const char* s)
247{
248    printf("%s\n", s);
249}
250#line 251 "err_syntax18.tab.c"
251
252#if YYDEBUG
253#include <stdio.h>		/* needed for printf */
254#endif
255
256#include <stdlib.h>	/* needed for malloc, etc */
257#include <string.h>	/* needed for memset */
258
259/* allocate initial stack or double stack size, up to YYMAXDEPTH */
260static int yygrowstack(YYSTACKDATA *data)
261{
262    int i;
263    unsigned newsize;
264    YYINT *newss;
265    YYSTYPE *newvs;
266
267    if ((newsize = data->stacksize) == 0)
268        newsize = YYINITSTACKSIZE;
269    else if (newsize >= YYMAXDEPTH)
270        return YYENOMEM;
271    else if ((newsize *= 2) > YYMAXDEPTH)
272        newsize = YYMAXDEPTH;
273
274    i = (int) (data->s_mark - data->s_base);
275    newss = (YYINT *)realloc(data->s_base, newsize * sizeof(*newss));
276    if (newss == 0)
277        return YYENOMEM;
278
279    data->s_base = newss;
280    data->s_mark = newss + i;
281
282    newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs));
283    if (newvs == 0)
284        return YYENOMEM;
285
286    data->l_base = newvs;
287    data->l_mark = newvs + i;
288
289    data->stacksize = newsize;
290    data->s_last = data->s_base + newsize - 1;
291    return 0;
292}
293
294#if YYPURE || defined(YY_NO_LEAKS)
295static void yyfreestack(YYSTACKDATA *data)
296{
297    free(data->s_base);
298    free(data->l_base);
299    memset(data, 0, sizeof(*data));
300}
301#else
302#define yyfreestack(data) /* nothing */
303#endif
304
305#define YYABORT  goto yyabort
306#define YYREJECT goto yyabort
307#define YYACCEPT goto yyaccept
308#define YYERROR  goto yyerrlab
309
310int
311YYPARSE_DECL()
312{
313    int yym, yyn, yystate;
314#if YYDEBUG
315    const char *yys;
316
317    if ((yys = getenv("YYDEBUG")) != 0)
318    {
319        yyn = *yys;
320        if (yyn >= '0' && yyn <= '9')
321            yydebug = yyn - '0';
322    }
323#endif
324
325    yynerrs = 0;
326    yyerrflag = 0;
327    yychar = YYEMPTY;
328    yystate = 0;
329
330#if YYPURE
331    memset(&yystack, 0, sizeof(yystack));
332#endif
333
334    if (yystack.s_base == NULL && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
335    yystack.s_mark = yystack.s_base;
336    yystack.l_mark = yystack.l_base;
337    yystate = 0;
338    *yystack.s_mark = 0;
339
340yyloop:
341    if ((yyn = yydefred[yystate]) != 0) goto yyreduce;
342    if (yychar < 0)
343    {
344        if ((yychar = YYLEX) < 0) yychar = YYEOF;
345#if YYDEBUG
346        if (yydebug)
347        {
348            yys = yyname[YYTRANSLATE(yychar)];
349            printf("%sdebug: state %d, reading %d (%s)\n",
350                    YYPREFIX, yystate, yychar, yys);
351        }
352#endif
353    }
354    if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 &&
355            yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
356    {
357#if YYDEBUG
358        if (yydebug)
359            printf("%sdebug: state %d, shifting to state %d\n",
360                    YYPREFIX, yystate, yytable[yyn]);
361#endif
362        if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM)
363        {
364            goto yyoverflow;
365        }
366        yystate = yytable[yyn];
367        *++yystack.s_mark = yytable[yyn];
368        *++yystack.l_mark = yylval;
369        yychar = YYEMPTY;
370        if (yyerrflag > 0)  --yyerrflag;
371        goto yyloop;
372    }
373    if ((yyn = yyrindex[yystate]) && (yyn += yychar) >= 0 &&
374            yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
375    {
376        yyn = yytable[yyn];
377        goto yyreduce;
378    }
379    if (yyerrflag) goto yyinrecovery;
380
381    YYERROR_CALL("syntax error");
382
383    goto yyerrlab;
384
385yyerrlab:
386    ++yynerrs;
387
388yyinrecovery:
389    if (yyerrflag < 3)
390    {
391        yyerrflag = 3;
392        for (;;)
393        {
394            if ((yyn = yysindex[*yystack.s_mark]) && (yyn += YYERRCODE) >= 0 &&
395                    yyn <= YYTABLESIZE && yycheck[yyn] == YYERRCODE)
396            {
397#if YYDEBUG
398                if (yydebug)
399                    printf("%sdebug: state %d, error recovery shifting\
400 to state %d\n", YYPREFIX, *yystack.s_mark, yytable[yyn]);
401#endif
402                if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM)
403                {
404                    goto yyoverflow;
405                }
406                yystate = yytable[yyn];
407                *++yystack.s_mark = yytable[yyn];
408                *++yystack.l_mark = yylval;
409                goto yyloop;
410            }
411            else
412            {
413#if YYDEBUG
414                if (yydebug)
415                    printf("%sdebug: error recovery discarding state %d\n",
416                            YYPREFIX, *yystack.s_mark);
417#endif
418                if (yystack.s_mark <= yystack.s_base) goto yyabort;
419                --yystack.s_mark;
420                --yystack.l_mark;
421            }
422        }
423    }
424    else
425    {
426        if (yychar == YYEOF) goto yyabort;
427#if YYDEBUG
428        if (yydebug)
429        {
430            yys = yyname[YYTRANSLATE(yychar)];
431            printf("%sdebug: state %d, error recovery discards token %d (%s)\n",
432                    YYPREFIX, yystate, yychar, yys);
433        }
434#endif
435        yychar = YYEMPTY;
436        goto yyloop;
437    }
438
439yyreduce:
440#if YYDEBUG
441    if (yydebug)
442        printf("%sdebug: state %d, reducing by rule %d (%s)\n",
443                YYPREFIX, yystate, yyn, yyrule[yyn]);
444#endif
445    yym = yylen[yyn];
446    if (yym)
447        yyval = yystack.l_mark[1-yym];
448    else
449        memset(&yyval, 0, sizeof yyval);
450    switch (yyn)
451    {
452case 1:
453#line 9 "err_syntax18.y"
454	{  yyval = yystack.l_mark[1]; }
455break;
456#line 457 "err_syntax18.tab.c"
457    }
458    yystack.s_mark -= yym;
459    yystate = *yystack.s_mark;
460    yystack.l_mark -= yym;
461    yym = yylhs[yyn];
462    if (yystate == 0 && yym == 0)
463    {
464#if YYDEBUG
465        if (yydebug)
466            printf("%sdebug: after reduction, shifting from state 0 to\
467 state %d\n", YYPREFIX, YYFINAL);
468#endif
469        yystate = YYFINAL;
470        *++yystack.s_mark = YYFINAL;
471        *++yystack.l_mark = yyval;
472        if (yychar < 0)
473        {
474            if ((yychar = YYLEX) < 0) yychar = YYEOF;
475#if YYDEBUG
476            if (yydebug)
477            {
478                yys = yyname[YYTRANSLATE(yychar)];
479                printf("%sdebug: state %d, reading %d (%s)\n",
480                        YYPREFIX, YYFINAL, yychar, yys);
481            }
482#endif
483        }
484        if (yychar == YYEOF) goto yyaccept;
485        goto yyloop;
486    }
487    if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 &&
488            yyn <= YYTABLESIZE && yycheck[yyn] == yystate)
489        yystate = yytable[yyn];
490    else
491        yystate = yydgoto[yym];
492#if YYDEBUG
493    if (yydebug)
494        printf("%sdebug: after reduction, shifting from state %d \
495to state %d\n", YYPREFIX, *yystack.s_mark, yystate);
496#endif
497    if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM)
498    {
499        goto yyoverflow;
500    }
501    *++yystack.s_mark = (YYINT) yystate;
502    *++yystack.l_mark = yyval;
503    goto yyloop;
504
505yyoverflow:
506    YYERROR_CALL("yacc stack overflow");
507
508yyabort:
509    yyfreestack(&yystack);
510    return (1);
511
512yyaccept:
513    yyfreestack(&yystack);
514    return (0);
515}
516