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 int 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    yym = 0;
319    yyn = 0;
320    yynerrs = 0;
321    yyerrflag = 0;
322    yychar = YYEMPTY;
323    yystate = 0;
324
325#if YYPURE
326    memset(&yystack, 0, sizeof(yystack));
327#endif
328
329    if (yystack.s_base == NULL && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
330    yystack.s_mark = yystack.s_base;
331    yystack.l_mark = yystack.l_base;
332    yystate = 0;
333    *yystack.s_mark = 0;
334
335yyloop:
336    if ((yyn = yydefred[yystate]) != 0) goto yyreduce;
337    if (yychar < 0)
338    {
339        yychar = YYLEX;
340        if (yychar < 0) yychar = YYEOF;
341#if YYDEBUG
342        if (yydebug)
343        {
344            if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
345            printf("%sdebug: state %d, reading %d (%s)\n",
346                    YYPREFIX, yystate, yychar, yys);
347        }
348#endif
349    }
350    if (((yyn = yysindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
351            yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
352    {
353#if YYDEBUG
354        if (yydebug)
355            printf("%sdebug: state %d, shifting to state %d\n",
356                    YYPREFIX, yystate, yytable[yyn]);
357#endif
358        if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
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]) != 0) && (yyn += yychar) >= 0 &&
367            yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
368    {
369        yyn = yytable[yyn];
370        goto yyreduce;
371    }
372    if (yyerrflag != 0) goto yyinrecovery;
373
374    YYERROR_CALL("syntax error");
375
376    goto yyerrlab; /* redundant goto avoids 'unused label' warning */
377yyerrlab:
378    ++yynerrs;
379
380yyinrecovery:
381    if (yyerrflag < 3)
382    {
383        yyerrflag = 3;
384        for (;;)
385        {
386            if (((yyn = yysindex[*yystack.s_mark]) != 0) && (yyn += YYERRCODE) >= 0 &&
387                    yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) YYERRCODE)
388            {
389#if YYDEBUG
390                if (yydebug)
391                    printf("%sdebug: state %d, error recovery shifting\
392 to state %d\n", YYPREFIX, *yystack.s_mark, yytable[yyn]);
393#endif
394                if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
395                yystate = yytable[yyn];
396                *++yystack.s_mark = yytable[yyn];
397                *++yystack.l_mark = yylval;
398                goto yyloop;
399            }
400            else
401            {
402#if YYDEBUG
403                if (yydebug)
404                    printf("%sdebug: error recovery discarding state %d\n",
405                            YYPREFIX, *yystack.s_mark);
406#endif
407                if (yystack.s_mark <= yystack.s_base) goto yyabort;
408                --yystack.s_mark;
409                --yystack.l_mark;
410            }
411        }
412    }
413    else
414    {
415        if (yychar == YYEOF) goto yyabort;
416#if YYDEBUG
417        if (yydebug)
418        {
419            if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
420            printf("%sdebug: state %d, error recovery discards token %d (%s)\n",
421                    YYPREFIX, yystate, yychar, yys);
422        }
423#endif
424        yychar = YYEMPTY;
425        goto yyloop;
426    }
427
428yyreduce:
429#if YYDEBUG
430    if (yydebug)
431        printf("%sdebug: state %d, reducing by rule %d (%s)\n",
432                YYPREFIX, yystate, yyn, yyrule[yyn]);
433#endif
434    yym = yylen[yyn];
435    if (yym > 0)
436        yyval = yystack.l_mark[1-yym];
437    else
438        memset(&yyval, 0, sizeof yyval);
439
440    switch (yyn)
441    {
442    }
443    yystack.s_mark -= yym;
444    yystate = *yystack.s_mark;
445    yystack.l_mark -= yym;
446    yym = yylhs[yyn];
447    if (yystate == 0 && yym == 0)
448    {
449#if YYDEBUG
450        if (yydebug)
451            printf("%sdebug: after reduction, shifting from state 0 to\
452 state %d\n", YYPREFIX, YYFINAL);
453#endif
454        yystate = YYFINAL;
455        *++yystack.s_mark = YYFINAL;
456        *++yystack.l_mark = yyval;
457        if (yychar < 0)
458        {
459            yychar = YYLEX;
460            if (yychar < 0) yychar = YYEOF;
461#if YYDEBUG
462            if (yydebug)
463            {
464                if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
465                printf("%sdebug: state %d, reading %d (%s)\n",
466                        YYPREFIX, YYFINAL, yychar, yys);
467            }
468#endif
469        }
470        if (yychar == YYEOF) goto yyaccept;
471        goto yyloop;
472    }
473    if (((yyn = yygindex[yym]) != 0) && (yyn += yystate) >= 0 &&
474            yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yystate)
475        yystate = yytable[yyn];
476    else
477        yystate = yydgoto[yym];
478#if YYDEBUG
479    if (yydebug)
480        printf("%sdebug: after reduction, shifting from state %d \
481to state %d\n", YYPREFIX, *yystack.s_mark, yystate);
482#endif
483    if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
484    *++yystack.s_mark = (YYINT) yystate;
485    *++yystack.l_mark = yyval;
486    goto yyloop;
487
488yyoverflow:
489    YYERROR_CALL("yacc stack overflow");
490
491yyabort:
492    yyfreestack(&yystack);
493    return (1);
494
495yyaccept:
496    yyfreestack(&yystack);
497    return (0);
498}
499