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    empty_parse
19#endif /* yyparse */
20
21#ifndef yylex
22#define yylex      empty_lex
23#endif /* yylex */
24
25#ifndef yyerror
26#define yyerror    empty_error
27#endif /* yyerror */
28
29#ifndef yychar
30#define yychar     empty_char
31#endif /* yychar */
32
33#ifndef yyval
34#define yyval      empty_val
35#endif /* yyval */
36
37#ifndef yylval
38#define yylval     empty_lval
39#endif /* yylval */
40
41#ifndef yydebug
42#define yydebug    empty_debug
43#endif /* yydebug */
44
45#ifndef yynerrs
46#define yynerrs    empty_nerrs
47#endif /* yynerrs */
48
49#ifndef yyerrflag
50#define yyerrflag  empty_errflag
51#endif /* yyerrflag */
52
53#ifndef yylhs
54#define yylhs      empty_lhs
55#endif /* yylhs */
56
57#ifndef yylen
58#define yylen      empty_len
59#endif /* yylen */
60
61#ifndef yydefred
62#define yydefred   empty_defred
63#endif /* yydefred */
64
65#ifndef yydgoto
66#define yydgoto    empty_dgoto
67#endif /* yydgoto */
68
69#ifndef yysindex
70#define yysindex   empty_sindex
71#endif /* yysindex */
72
73#ifndef yyrindex
74#define yyrindex   empty_rindex
75#endif /* yyrindex */
76
77#ifndef yygindex
78#define yygindex   empty_gindex
79#endif /* yygindex */
80
81#ifndef yytable
82#define yytable    empty_table
83#endif /* yytable */
84
85#ifndef yycheck
86#define yycheck    empty_check
87#endif /* yycheck */
88
89#ifndef yyname
90#define yyname     empty_name
91#endif /* yyname */
92
93#ifndef yyrule
94#define yyrule     empty_rule
95#endif /* yyrule */
96#define YYPREFIX "empty_"
97
98#define YYPURE 0
99
100#line 2 "empty.y"
101#ifdef YYBISON
102#define YYLEX_DECL() yylex(void)
103#define YYERROR_DECL() yyerror(const char *s)
104static int YYLEX_DECL();
105static void YYERROR_DECL();
106#endif
107#line 108 "empty.tab.c"
108
109#if ! defined(YYSTYPE) && ! defined(YYSTYPE_IS_DECLARED)
110/* Default: YYSTYPE is the semantic value type. */
111typedef int YYSTYPE;
112# define YYSTYPE_IS_DECLARED 1
113#endif
114
115/* compatibility with bison */
116#ifdef YYPARSE_PARAM
117/* compatibility with FreeBSD */
118# ifdef YYPARSE_PARAM_TYPE
119#  define YYPARSE_DECL() yyparse(YYPARSE_PARAM_TYPE YYPARSE_PARAM)
120# else
121#  define YYPARSE_DECL() yyparse(void *YYPARSE_PARAM)
122# endif
123#else
124# define YYPARSE_DECL() yyparse(void)
125#endif
126
127/* Parameters sent to lex. */
128#ifdef YYLEX_PARAM
129# define YYLEX_DECL() yylex(void *YYLEX_PARAM)
130# define YYLEX yylex(YYLEX_PARAM)
131#else
132# define YYLEX_DECL() yylex(void)
133# define YYLEX yylex()
134#endif
135
136/* Parameters sent to yyerror. */
137#ifndef YYERROR_DECL
138#define YYERROR_DECL() yyerror(const char *s)
139#endif
140#ifndef YYERROR_CALL
141#define YYERROR_CALL(msg) yyerror(msg)
142#endif
143
144extern int YYPARSE_DECL();
145
146#define YYERRCODE 256
147typedef short YYINT;
148static const YYINT empty_lhs[] = {                       -1,
149    0,
150};
151static const YYINT empty_len[] = {                        2,
152    0,
153};
154static const YYINT empty_defred[] = {                     1,
155    0,
156};
157static const YYINT empty_dgoto[] = {                      1,
158};
159static const YYINT empty_sindex[] = {                     0,
160    0,
161};
162static const YYINT empty_rindex[] = {                     0,
163    0,
164};
165static const YYINT empty_gindex[] = {                     0,
166};
167#define YYTABLESIZE 0
168static const YYINT empty_table[] = {                      0,
169};
170static const YYINT empty_check[] = {                     -1,
171};
172#define YYFINAL 1
173#ifndef YYDEBUG
174#define YYDEBUG 0
175#endif
176#define YYMAXTOKEN 256
177#define YYUNDFTOKEN 259
178#define YYTRANSLATE(a) ((a) > YYMAXTOKEN ? YYUNDFTOKEN : (a))
179#if YYDEBUG
180static const char *const empty_name[] = {
181
182"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,
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,
1860,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
1870,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
1880,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"illegal-symbol",
189};
190static const char *const empty_rule[] = {
191"$accept : start",
192"start :",
193
194};
195#endif
196
197int      yydebug;
198int      yynerrs;
199
200int      yyerrflag;
201int      yychar;
202YYSTYPE  yyval;
203YYSTYPE  yylval;
204
205/* define the initial stack-sizes */
206#ifdef YYSTACKSIZE
207#undef YYMAXDEPTH
208#define YYMAXDEPTH  YYSTACKSIZE
209#else
210#ifdef YYMAXDEPTH
211#define YYSTACKSIZE YYMAXDEPTH
212#else
213#define YYSTACKSIZE 10000
214#define YYMAXDEPTH  10000
215#endif
216#endif
217
218#define YYINITSTACKSIZE 200
219
220typedef struct {
221    unsigned stacksize;
222    YYINT    *s_base;
223    YYINT    *s_mark;
224    YYINT    *s_last;
225    YYSTYPE  *l_base;
226    YYSTYPE  *l_mark;
227} YYSTACKDATA;
228/* variables for the parser stack */
229static YYSTACKDATA yystack;
230#line 13 "empty.y"
231
232#include <stdio.h>
233
234static int
235YYLEX_DECL() {
236  return -1;
237}
238
239static void
240YYERROR_DECL() {
241  printf("%s\n",s);
242}
243#line 244 "empty.tab.c"
244
245#if YYDEBUG
246#include <stdio.h>		/* needed for printf */
247#endif
248
249#include <stdlib.h>	/* needed for malloc, etc */
250#include <string.h>	/* needed for memset */
251
252/* allocate initial stack or double stack size, up to YYMAXDEPTH */
253static int yygrowstack(YYSTACKDATA *data)
254{
255    int i;
256    unsigned newsize;
257    YYINT *newss;
258    YYSTYPE *newvs;
259
260    if ((newsize = data->stacksize) == 0)
261        newsize = YYINITSTACKSIZE;
262    else if (newsize >= YYMAXDEPTH)
263        return YYENOMEM;
264    else if ((newsize *= 2) > YYMAXDEPTH)
265        newsize = YYMAXDEPTH;
266
267    i = (int) (data->s_mark - data->s_base);
268    newss = (YYINT *)realloc(data->s_base, newsize * sizeof(*newss));
269    if (newss == 0)
270        return YYENOMEM;
271
272    data->s_base = newss;
273    data->s_mark = newss + i;
274
275    newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs));
276    if (newvs == 0)
277        return YYENOMEM;
278
279    data->l_base = newvs;
280    data->l_mark = newvs + i;
281
282    data->stacksize = newsize;
283    data->s_last = data->s_base + newsize - 1;
284    return 0;
285}
286
287#if YYPURE || defined(YY_NO_LEAKS)
288static void yyfreestack(YYSTACKDATA *data)
289{
290    free(data->s_base);
291    free(data->l_base);
292    memset(data, 0, sizeof(*data));
293}
294#else
295#define yyfreestack(data) /* nothing */
296#endif
297
298#define YYABORT  goto yyabort
299#define YYREJECT goto yyabort
300#define YYACCEPT goto yyaccept
301#define YYERROR  goto yyerrlab
302
303int
304YYPARSE_DECL()
305{
306    int yym, yyn, yystate;
307#if YYDEBUG
308    const char *yys;
309
310    if ((yys = getenv("YYDEBUG")) != 0)
311    {
312        yyn = *yys;
313        if (yyn >= '0' && yyn <= '9')
314            yydebug = yyn - '0';
315    }
316#endif
317
318    yynerrs = 0;
319    yyerrflag = 0;
320    yychar = YYEMPTY;
321    yystate = 0;
322
323#if YYPURE
324    memset(&yystack, 0, sizeof(yystack));
325#endif
326
327    if (yystack.s_base == NULL && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
328    yystack.s_mark = yystack.s_base;
329    yystack.l_mark = yystack.l_base;
330    yystate = 0;
331    *yystack.s_mark = 0;
332
333yyloop:
334    if ((yyn = yydefred[yystate]) != 0) goto yyreduce;
335    if (yychar < 0)
336    {
337        if ((yychar = YYLEX) < 0) yychar = YYEOF;
338#if YYDEBUG
339        if (yydebug)
340        {
341            yys = yyname[YYTRANSLATE(yychar)];
342            printf("%sdebug: state %d, reading %d (%s)\n",
343                    YYPREFIX, yystate, yychar, yys);
344        }
345#endif
346    }
347    if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 &&
348            yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
349    {
350#if YYDEBUG
351        if (yydebug)
352            printf("%sdebug: state %d, shifting to state %d\n",
353                    YYPREFIX, yystate, yytable[yyn]);
354#endif
355        if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM)
356        {
357            goto yyoverflow;
358        }
359        yystate = yytable[yyn];
360        *++yystack.s_mark = yytable[yyn];
361        *++yystack.l_mark = yylval;
362        yychar = YYEMPTY;
363        if (yyerrflag > 0)  --yyerrflag;
364        goto yyloop;
365    }
366    if ((yyn = yyrindex[yystate]) && (yyn += yychar) >= 0 &&
367            yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
368    {
369        yyn = yytable[yyn];
370        goto yyreduce;
371    }
372    if (yyerrflag) goto yyinrecovery;
373
374    YYERROR_CALL("syntax error");
375
376    goto yyerrlab;
377
378yyerrlab:
379    ++yynerrs;
380
381yyinrecovery:
382    if (yyerrflag < 3)
383    {
384        yyerrflag = 3;
385        for (;;)
386        {
387            if ((yyn = yysindex[*yystack.s_mark]) && (yyn += YYERRCODE) >= 0 &&
388                    yyn <= YYTABLESIZE && yycheck[yyn] == YYERRCODE)
389            {
390#if YYDEBUG
391                if (yydebug)
392                    printf("%sdebug: state %d, error recovery shifting\
393 to state %d\n", YYPREFIX, *yystack.s_mark, yytable[yyn]);
394#endif
395                if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM)
396                {
397                    goto yyoverflow;
398                }
399                yystate = yytable[yyn];
400                *++yystack.s_mark = yytable[yyn];
401                *++yystack.l_mark = yylval;
402                goto yyloop;
403            }
404            else
405            {
406#if YYDEBUG
407                if (yydebug)
408                    printf("%sdebug: error recovery discarding state %d\n",
409                            YYPREFIX, *yystack.s_mark);
410#endif
411                if (yystack.s_mark <= yystack.s_base) goto yyabort;
412                --yystack.s_mark;
413                --yystack.l_mark;
414            }
415        }
416    }
417    else
418    {
419        if (yychar == YYEOF) goto yyabort;
420#if YYDEBUG
421        if (yydebug)
422        {
423            yys = yyname[YYTRANSLATE(yychar)];
424            printf("%sdebug: state %d, error recovery discards token %d (%s)\n",
425                    YYPREFIX, yystate, yychar, yys);
426        }
427#endif
428        yychar = YYEMPTY;
429        goto yyloop;
430    }
431
432yyreduce:
433#if YYDEBUG
434    if (yydebug)
435        printf("%sdebug: state %d, reducing by rule %d (%s)\n",
436                YYPREFIX, yystate, yyn, yyrule[yyn]);
437#endif
438    yym = yylen[yyn];
439    if (yym)
440        yyval = yystack.l_mark[1-yym];
441    else
442        memset(&yyval, 0, sizeof yyval);
443    switch (yyn)
444    {
445    }
446    yystack.s_mark -= yym;
447    yystate = *yystack.s_mark;
448    yystack.l_mark -= yym;
449    yym = yylhs[yyn];
450    if (yystate == 0 && yym == 0)
451    {
452#if YYDEBUG
453        if (yydebug)
454            printf("%sdebug: after reduction, shifting from state 0 to\
455 state %d\n", YYPREFIX, YYFINAL);
456#endif
457        yystate = YYFINAL;
458        *++yystack.s_mark = YYFINAL;
459        *++yystack.l_mark = yyval;
460        if (yychar < 0)
461        {
462            if ((yychar = YYLEX) < 0) yychar = YYEOF;
463#if YYDEBUG
464            if (yydebug)
465            {
466                yys = yyname[YYTRANSLATE(yychar)];
467                printf("%sdebug: state %d, reading %d (%s)\n",
468                        YYPREFIX, YYFINAL, yychar, yys);
469            }
470#endif
471        }
472        if (yychar == YYEOF) goto yyaccept;
473        goto yyloop;
474    }
475    if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 &&
476            yyn <= YYTABLESIZE && yycheck[yyn] == yystate)
477        yystate = yytable[yyn];
478    else
479        yystate = yydgoto[yym];
480#if YYDEBUG
481    if (yydebug)
482        printf("%sdebug: after reduction, shifting from state %d \
483to state %d\n", YYPREFIX, *yystack.s_mark, yystate);
484#endif
485    if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM)
486    {
487        goto yyoverflow;
488    }
489    *++yystack.s_mark = (YYINT) yystate;
490    *++yystack.l_mark = yyval;
491    goto yyloop;
492
493yyoverflow:
494    YYERROR_CALL("yacc stack overflow");
495
496yyabort:
497    yyfreestack(&yystack);
498    return (1);
499
500yyaccept:
501    yyfreestack(&yystack);
502    return (0);
503}
504