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 2
7 #define YYMINOR 0
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"
101 int yylex(void);
102 static 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. */
107 typedef 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
140 extern int YYPARSE_DECL();
141
142 #define YYERRCODE 256
143 typedef int YYINT;
144 static const YYINT err_syntax18_lhs[] = { -1,
145 0,
146 };
147 static const YYINT err_syntax18_len[] = { 2,
148 3,
149 };
150 static const YYINT err_syntax18_defred[] = { 0,
151 0, 0, 0, 1,
152 };
153 static const YYINT err_syntax18_dgoto[] = { 2,
154 };
155 static const YYINT err_syntax18_sindex[] = { -40,
156 -40, 0, -39, 0,
157 };
158 static const YYINT err_syntax18_rindex[] = { 0,
159 0, 0, 0, 0,
160 };
161 static const YYINT err_syntax18_gindex[] = { 2,
162 };
163 #define YYTABLESIZE 3
164 static const YYINT err_syntax18_table[] = { 1,
165 0, 4, 3,
166 };
167 static 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
178 static 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,
181 0,0,0,0,0,0,"'('","')'",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
182 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
183 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
184 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
185 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
186 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"illegal-symbol",
187 };
188 static const char *const err_syntax18_rule[] = {
189 "$accept : expr",
190 "expr : '(' expr ')'",
191
192 };
193 #endif
194
195 #if YYDEBUG
196 int yydebug;
197 #endif
198
199 int yyerrflag;
200 int yychar;
201 YYSTYPE yyval;
202 YYSTYPE yylval;
203 int yynerrs;
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
220 typedef 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 */
229 static YYSTACKDATA yystack;
230 #line 13 "err_syntax18.y"
231
232 #include <stdio.h>
233
234 int
main(void)235 main(void)
236 {
237 printf("yyparse() = %d\n", yyparse());
238 return 0;
239 }
240
241 int
yylex(void)242 yylex(void)
243 {
244 return -1;
245 }
246
247 static void
yyerror(const char * s)248 yyerror(const char* s)
249 {
250 printf("%s\n", s);
251 }
252 #line 253 "err_syntax18.tab.c"
253
254 #if YYDEBUG
255 #include <stdio.h> /* needed for printf */
256 #endif
257
258 #include <stdlib.h> /* needed for malloc, etc */
259 #include <string.h> /* needed for memset */
260
261 /* allocate initial stack or double stack size, up to YYMAXDEPTH */
yygrowstack(YYSTACKDATA * data)262 static int yygrowstack(YYSTACKDATA *data)
263 {
264 int i;
265 unsigned newsize;
266 YYINT *newss;
267 YYSTYPE *newvs;
268
269 if ((newsize = data->stacksize) == 0)
270 newsize = YYINITSTACKSIZE;
271 else if (newsize >= YYMAXDEPTH)
272 return YYENOMEM;
273 else if ((newsize *= 2) > YYMAXDEPTH)
274 newsize = YYMAXDEPTH;
275
276 i = (int) (data->s_mark - data->s_base);
277 newss = (YYINT *)realloc(data->s_base, newsize * sizeof(*newss));
278 if (newss == NULL)
279 return YYENOMEM;
280
281 data->s_base = newss;
282 data->s_mark = newss + i;
283
284 newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs));
285 if (newvs == NULL)
286 return YYENOMEM;
287
288 data->l_base = newvs;
289 data->l_mark = newvs + i;
290
291 data->stacksize = newsize;
292 data->s_last = data->s_base + newsize - 1;
293 return 0;
294 }
295
296 #if YYPURE || defined(YY_NO_LEAKS)
yyfreestack(YYSTACKDATA * data)297 static void yyfreestack(YYSTACKDATA *data)
298 {
299 free(data->s_base);
300 free(data->l_base);
301 memset(data, 0, sizeof(*data));
302 }
303 #else
304 #define yyfreestack(data) /* nothing */
305 #endif
306
307 #define YYABORT goto yyabort
308 #define YYREJECT goto yyabort
309 #define YYACCEPT goto yyaccept
310 #define YYERROR goto yyerrlab
311
312 int
YYPARSE_DECL()313 YYPARSE_DECL()
314 {
315 int yym, yyn, yystate;
316 #if YYDEBUG
317 const char *yys;
318
319 if ((yys = getenv("YYDEBUG")) != NULL)
320 {
321 yyn = *yys;
322 if (yyn >= '0' && yyn <= '9')
323 yydebug = yyn - '0';
324 }
325 #endif
326
327 /* yym is set below */
328 /* yyn is set below */
329 yynerrs = 0;
330 yyerrflag = 0;
331 yychar = YYEMPTY;
332 yystate = 0;
333
334 #if YYPURE
335 memset(&yystack, 0, sizeof(yystack));
336 #endif
337
338 if (yystack.s_base == NULL && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
339 yystack.s_mark = yystack.s_base;
340 yystack.l_mark = yystack.l_base;
341 yystate = 0;
342 *yystack.s_mark = 0;
343
344 yyloop:
345 if ((yyn = yydefred[yystate]) != 0) goto yyreduce;
346 if (yychar < 0)
347 {
348 yychar = YYLEX;
349 if (yychar < 0) yychar = YYEOF;
350 #if YYDEBUG
351 if (yydebug)
352 {
353 if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
354 printf("%sdebug: state %d, reading %d (%s)\n",
355 YYPREFIX, yystate, yychar, yys);
356 }
357 #endif
358 }
359 if (((yyn = yysindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
360 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
361 {
362 #if YYDEBUG
363 if (yydebug)
364 printf("%sdebug: state %d, shifting to state %d\n",
365 YYPREFIX, yystate, yytable[yyn]);
366 #endif
367 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
368 yystate = yytable[yyn];
369 *++yystack.s_mark = yytable[yyn];
370 *++yystack.l_mark = yylval;
371 yychar = YYEMPTY;
372 if (yyerrflag > 0) --yyerrflag;
373 goto yyloop;
374 }
375 if (((yyn = yyrindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
376 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
377 {
378 yyn = yytable[yyn];
379 goto yyreduce;
380 }
381 if (yyerrflag != 0) goto yyinrecovery;
382
383 YYERROR_CALL("syntax error");
384
385 goto yyerrlab; /* redundant goto avoids 'unused label' warning */
386 yyerrlab:
387 ++yynerrs;
388
389 yyinrecovery:
390 if (yyerrflag < 3)
391 {
392 yyerrflag = 3;
393 for (;;)
394 {
395 if (((yyn = yysindex[*yystack.s_mark]) != 0) && (yyn += YYERRCODE) >= 0 &&
396 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) YYERRCODE)
397 {
398 #if YYDEBUG
399 if (yydebug)
400 printf("%sdebug: state %d, error recovery shifting\
401 to state %d\n", YYPREFIX, *yystack.s_mark, yytable[yyn]);
402 #endif
403 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
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 if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
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
437 yyreduce:
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 > 0)
445 yyval = yystack.l_mark[1-yym];
446 else
447 memset(&yyval, 0, sizeof yyval);
448
449 switch (yyn)
450 {
451 case 1:
452 #line 9 "err_syntax18.y"
453 { yyval = yystack.l_mark[1]; }
454 #line 455 "err_syntax18.tab.c"
455 break;
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 yychar = YYLEX;
475 if (yychar < 0) yychar = YYEOF;
476 #if YYDEBUG
477 if (yydebug)
478 {
479 if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
480 printf("%sdebug: state %d, reading %d (%s)\n",
481 YYPREFIX, YYFINAL, yychar, yys);
482 }
483 #endif
484 }
485 if (yychar == YYEOF) goto yyaccept;
486 goto yyloop;
487 }
488 if (((yyn = yygindex[yym]) != 0) && (yyn += yystate) >= 0 &&
489 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yystate)
490 yystate = yytable[yyn];
491 else
492 yystate = yydgoto[yym];
493 #if YYDEBUG
494 if (yydebug)
495 printf("%sdebug: after reduction, shifting from state %d \
496 to state %d\n", YYPREFIX, *yystack.s_mark, yystate);
497 #endif
498 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
499 *++yystack.s_mark = (YYINT) yystate;
500 *++yystack.l_mark = yyval;
501 goto yyloop;
502
503 yyoverflow:
504 YYERROR_CALL("yacc stack overflow");
505
506 yyabort:
507 yyfreestack(&yystack);
508 return (1);
509
510 yyaccept:
511 yyfreestack(&yystack);
512 return (0);
513 }
514