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 #undef YYBTYACC
17 #define YYBTYACC 0
18 #define YYDEBUGSTR YYPREFIX "debug"
19 #line 20 "code_debug.c"
20 #include "rename_debug.i"
21 #include "rename_debug.h"
22 typedef short YYINT;
23 static const YYINT yylhs[] = { -1,
24 0,
25 };
26 static const YYINT yylen[] = { 2,
27 1,
28 };
29 static const YYINT yydefred[] = { 0,
30 1, 0,
31 };
32 static const YYINT yystos[] = { 0,
33 256, 258,
34 };
35 static const YYINT yydgoto[] = { 2,
36 };
37 static const YYINT yysindex[] = { -256,
38 0, 0,
39 };
40 static const YYINT yyrindex[] = { 0,
41 0, 0,
42 };
43 #if YYBTYACC
44 static const YYINT yycindex[] = { 0,
45 0, 0,
46 };
47 #endif
48 static const YYINT yygindex[] = { 0,
49 };
50 #define YYTABLESIZE 0
51 static const YYINT yytable[] = { 1,
52 };
53 static const YYINT yycheck[] = { 256,
54 };
55 #if YYBTYACC
56 static const YYINT yyctable[] = { 0,
57 };
58 #endif
59 #define YYFINAL 2
60 #ifndef YYDEBUG
61 #define YYDEBUG 1
62 #endif
63 #define YYMAXTOKEN 256
64 #define YYUNDFTOKEN 259
65 #define YYTRANSLATE(a) ((a) > YYMAXTOKEN ? YYUNDFTOKEN : (a))
66 #if YYDEBUG
67 static const char *const yyname[] = {
68
69 "$end",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
70 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
71 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
72 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
73 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
74 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
75 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"error","$accept","S","illegal-symbol",
76 };
77 static const char *const yyrule[] = {
78 "$accept : S",
79 "S : error",
80
81 };
82 #endif
83
84 int yydebug;
85 int yynerrs;
86
87 int yyerrflag;
88 int yychar;
89 YYSTYPE yyval;
90 YYSTYPE yylval;
91 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
92 YYLTYPE yyloc; /* position returned by actions */
93 YYLTYPE yylloc; /* position from the lexer */
94 #endif
95
96 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
97 #ifndef YYLLOC_DEFAULT
98 #define YYLLOC_DEFAULT(loc, rhs, n) \
99 do \
100 { \
101 if (n == 0) \
102 { \
103 (loc).first_line = ((rhs)[-1]).last_line; \
104 (loc).first_column = ((rhs)[-1]).last_column; \
105 (loc).last_line = ((rhs)[-1]).last_line; \
106 (loc).last_column = ((rhs)[-1]).last_column; \
107 } \
108 else \
109 { \
110 (loc).first_line = ((rhs)[ 0 ]).first_line; \
111 (loc).first_column = ((rhs)[ 0 ]).first_column; \
112 (loc).last_line = ((rhs)[n-1]).last_line; \
113 (loc).last_column = ((rhs)[n-1]).last_column; \
114 } \
115 } while (0)
116 #endif /* YYLLOC_DEFAULT */
117 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
118 #if YYBTYACC
119
120 #ifndef YYLVQUEUEGROWTH
121 #define YYLVQUEUEGROWTH 32
122 #endif
123 #endif /* YYBTYACC */
124
125 /* define the initial stack-sizes */
126 #ifdef YYSTACKSIZE
127 #undef YYMAXDEPTH
128 #define YYMAXDEPTH YYSTACKSIZE
129 #else
130 #ifdef YYMAXDEPTH
131 #define YYSTACKSIZE YYMAXDEPTH
132 #else
133 #define YYSTACKSIZE 10000
134 #define YYMAXDEPTH 10000
135 #endif
136 #endif
137
138 #ifndef YYINITSTACKSIZE
139 #define YYINITSTACKSIZE 200
140 #endif
141
142 typedef struct {
143 unsigned stacksize;
144 short *s_base;
145 short *s_mark;
146 short *s_last;
147 YYSTYPE *l_base;
148 YYSTYPE *l_mark;
149 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
150 YYLTYPE *p_base;
151 YYLTYPE *p_mark;
152 #endif
153 } YYSTACKDATA;
154 #if YYBTYACC
155
156 struct YYParseState_s
157 {
158 struct YYParseState_s *save; /* Previously saved parser state */
159 YYSTACKDATA yystack; /* saved parser stack */
160 int state; /* saved parser state */
161 int errflag; /* saved error recovery status */
162 int lexeme; /* saved index of the conflict lexeme in the lexical queue */
163 YYINT ctry; /* saved index in yyctable[] for this conflict */
164 };
165 typedef struct YYParseState_s YYParseState;
166 #endif /* YYBTYACC */
167 /* variables for the parser stack */
168 static YYSTACKDATA yystack;
169 #if YYBTYACC
170
171 /* Current parser state */
172 static YYParseState *yyps = 0;
173
174 /* yypath != NULL: do the full parse, starting at *yypath parser state. */
175 static YYParseState *yypath = 0;
176
177 /* Base of the lexical value queue */
178 static YYSTYPE *yylvals = 0;
179
180 /* Current position at lexical value queue */
181 static YYSTYPE *yylvp = 0;
182
183 /* End position of lexical value queue */
184 static YYSTYPE *yylve = 0;
185
186 /* The last allocated position at the lexical value queue */
187 static YYSTYPE *yylvlim = 0;
188
189 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
190 /* Base of the lexical position queue */
191 static YYLTYPE *yylpsns = 0;
192
193 /* Current position at lexical position queue */
194 static YYLTYPE *yylpp = 0;
195
196 /* End position of lexical position queue */
197 static YYLTYPE *yylpe = 0;
198
199 /* The last allocated position at the lexical position queue */
200 static YYLTYPE *yylplim = 0;
201 #endif
202
203 /* Current position at lexical token queue */
204 static short *yylexp = 0;
205
206 static short *yylexemes = 0;
207 #endif /* YYBTYACC */
208 #line 12 "code_debug.y"
209
210 #include <stdio.h>
211
212 #ifdef YYBYACC
213 extern int YYLEX_DECL();
214 #endif
215
216 int
main(void)217 main(void)
218 {
219 printf("yyparse() = %d\n", yyparse());
220 return 0;
221 }
222
223 int
yylex(void)224 yylex(void)
225 {
226 return -1;
227 }
228
229 static void
yyerror(const char * s)230 yyerror(const char* s)
231 {
232 printf("%s\n", s);
233 }
234 #line 236 "code_debug.c"
235
236 /* For use in generated program */
237 #define yydepth (int)(yystack.s_mark - yystack.s_base)
238 #if YYBTYACC
239 #define yytrial (yyps->save)
240 #endif /* YYBTYACC */
241
242 #if YYDEBUG
243 #include <stdio.h> /* needed for printf */
244 #endif
245
246 #include <stdlib.h> /* needed for malloc, etc */
247 #include <string.h> /* needed for memset */
248
249 /* allocate initial stack or double stack size, up to YYMAXDEPTH */
yygrowstack(YYSTACKDATA * data)250 static int yygrowstack(YYSTACKDATA *data)
251 {
252 int i;
253 unsigned newsize;
254 short *newss;
255 YYSTYPE *newvs;
256 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
257 YYLTYPE *newps;
258 #endif
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 = (short *)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 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
283 newps = (YYLTYPE *)realloc(data->p_base, newsize * sizeof(*newps));
284 if (newps == 0)
285 return YYENOMEM;
286
287 data->p_base = newps;
288 data->p_mark = newps + i;
289 #endif
290
291 data->stacksize = newsize;
292 data->s_last = data->s_base + newsize - 1;
293
294 #if YYDEBUG
295 if (yydebug)
296 fprintf(stderr, "%sdebug: stack size increased to %d\n", YYPREFIX, newsize);
297 #endif
298 return 0;
299 }
300
301 #if YYPURE || defined(YY_NO_LEAKS)
yyfreestack(YYSTACKDATA * data)302 static void yyfreestack(YYSTACKDATA *data)
303 {
304 free(data->s_base);
305 free(data->l_base);
306 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
307 free(data->p_base);
308 #endif
309 memset(data, 0, sizeof(*data));
310 }
311 #else
312 #define yyfreestack(data) /* nothing */
313 #endif /* YYPURE || defined(YY_NO_LEAKS) */
314 #if YYBTYACC
315
316 static YYParseState *
yyNewState(unsigned size)317 yyNewState(unsigned size)
318 {
319 YYParseState *p = (YYParseState *) malloc(sizeof(YYParseState));
320 if (p == NULL) return NULL;
321
322 p->yystack.stacksize = size;
323 if (size == 0)
324 {
325 p->yystack.s_base = NULL;
326 p->yystack.l_base = NULL;
327 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
328 p->yystack.p_base = NULL;
329 #endif
330 return p;
331 }
332 p->yystack.s_base = (short *) malloc(size * sizeof(short));
333 if (p->yystack.s_base == NULL) return NULL;
334 p->yystack.l_base = (YYSTYPE *) malloc(size * sizeof(YYSTYPE));
335 if (p->yystack.l_base == NULL) return NULL;
336 memset(p->yystack.l_base, 0, size * sizeof(YYSTYPE));
337 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
338 p->yystack.p_base = (YYLTYPE *) malloc(size * sizeof(YYLTYPE));
339 if (p->yystack.p_base == NULL) return NULL;
340 memset(p->yystack.p_base, 0, size * sizeof(YYLTYPE));
341 #endif
342
343 return p;
344 }
345
346 static void
yyFreeState(YYParseState * p)347 yyFreeState(YYParseState *p)
348 {
349 yyfreestack(&p->yystack);
350 free(p);
351 }
352 #endif /* YYBTYACC */
353
354 #define YYABORT goto yyabort
355 #define YYREJECT goto yyabort
356 #define YYACCEPT goto yyaccept
357 #define YYERROR goto yyerrlab
358 #if YYBTYACC
359 #define YYVALID do { if (yyps->save) goto yyvalid; } while(0)
360 #define YYVALID_NESTED do { if (yyps->save && \
361 yyps->save->save == 0) goto yyvalid; } while(0)
362 #endif /* YYBTYACC */
363
364 int
YYPARSE_DECL()365 YYPARSE_DECL()
366 {
367 int yym, yyn, yystate, yyresult;
368 #if YYBTYACC
369 int yynewerrflag;
370 YYParseState *yyerrctx = NULL;
371 #endif /* YYBTYACC */
372 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
373 YYLTYPE yyerror_loc_range[2]; /* position of error start & end */
374 #endif
375 #if YYDEBUG
376 const char *yys;
377
378 if ((yys = getenv("YYDEBUG")) != 0)
379 {
380 yyn = *yys;
381 if (yyn >= '0' && yyn <= '9')
382 yydebug = yyn - '0';
383 }
384 if (yydebug)
385 fprintf(stderr, "%sdebug[<# of symbols on state stack>]\n", YYPREFIX);
386 #endif
387
388 #if YYBTYACC
389 yyps = yyNewState(0); if (yyps == 0) goto yyenomem;
390 yyps->save = 0;
391 #endif /* YYBTYACC */
392 yynerrs = 0;
393 yyerrflag = 0;
394 yychar = YYEMPTY;
395 yystate = 0;
396
397 #if YYPURE
398 memset(&yystack, 0, sizeof(yystack));
399 #endif
400
401 if (yystack.s_base == NULL && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
402 yystack.s_mark = yystack.s_base;
403 yystack.l_mark = yystack.l_base;
404 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
405 yystack.p_mark = yystack.p_base;
406 #endif
407 yystate = 0;
408 *yystack.s_mark = 0;
409
410 yyloop:
411 if ((yyn = yydefred[yystate]) != 0) goto yyreduce;
412 if (yychar < 0)
413 {
414 #if YYBTYACC
415 do {
416 if (yylvp < yylve)
417 {
418 /* we're currently re-reading tokens */
419 yylval = *yylvp++;
420 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
421 yylloc = *yylpp++;
422 #endif
423 yychar = *yylexp++;
424 break;
425 }
426 if (yyps->save)
427 {
428 /* in trial mode; save scanner results for future parse attempts */
429 if (yylvp == yylvlim)
430 { /* Enlarge lexical value queue */
431 int p = yylvp - yylvals;
432 int s = yylvlim - yylvals;
433
434 s += YYLVQUEUEGROWTH;
435 if ((yylexemes = (short *) realloc(yylexemes, s * sizeof(short))) == NULL) goto yyenomem;
436 if ((yylvals = (YYSTYPE *) realloc(yylvals, s * sizeof(YYSTYPE))) == NULL) goto yyenomem;
437 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
438 if ((yylpsns = (YYLTYPE *) realloc(yylpsns, s * sizeof(YYLTYPE))) == NULL) goto yyenomem;
439 #endif
440 yylvp = yylve = yylvals + p;
441 yylvlim = yylvals + s;
442 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
443 yylpp = yylpe = yylpsns + p;
444 yylplim = yylpsns + s;
445 #endif
446 yylexp = yylexemes + p;
447 }
448 *yylexp = (short) YYLEX;
449 *yylvp++ = yylval;
450 yylve++;
451 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
452 *yylpp++ = yylloc;
453 yylpe++;
454 #endif
455 yychar = *yylexp++;
456 break;
457 }
458 /* normal operation, no conflict encountered */
459 #endif /* YYBTYACC */
460 yychar = YYLEX;
461 #if YYBTYACC
462 } while (0);
463 #endif /* YYBTYACC */
464 if (yychar < 0) yychar = YYEOF;
465 /* if ((yychar = YYLEX) < 0) yychar = YYEOF; */
466 #if YYDEBUG
467 if (yydebug)
468 {
469 yys = yyname[YYTRANSLATE(yychar)];
470 fprintf(stderr, "%s[%d]: state %d, reading token %d (%s)",
471 YYDEBUGSTR, yydepth, yystate, yychar, yys);
472 #ifdef YYSTYPE_TOSTRING
473 #if YYBTYACC
474 if (!yytrial)
475 #endif /* YYBTYACC */
476 fprintf(stderr, " <%s>", YYSTYPE_TOSTRING(yychar, yylval));
477 #endif
478 fputc('\n', stderr);
479 }
480 #endif
481 }
482 #if YYBTYACC
483
484 /* Do we have a conflict? */
485 if (((yyn = yycindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
486 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
487 {
488 YYINT ctry;
489
490 if (yypath)
491 {
492 YYParseState *save;
493 #if YYDEBUG
494 if (yydebug)
495 fprintf(stderr, "%s[%d]: CONFLICT in state %d: following successful trial parse\n",
496 YYDEBUGSTR, yydepth, yystate);
497 #endif
498 /* Switch to the next conflict context */
499 save = yypath;
500 yypath = save->save;
501 save->save = NULL;
502 ctry = save->ctry;
503 if (save->state != yystate) YYABORT;
504 yyFreeState(save);
505
506 }
507 else
508 {
509
510 /* Unresolved conflict - start/continue trial parse */
511 YYParseState *save;
512 #if YYDEBUG
513 if (yydebug)
514 {
515 fprintf(stderr, "%s[%d]: CONFLICT in state %d. ", YYDEBUGSTR, yydepth, yystate);
516 if (yyps->save)
517 fputs("ALREADY in conflict, continuing trial parse.\n", stderr);
518 else
519 fputs("Starting trial parse.\n", stderr);
520 }
521 #endif
522 save = yyNewState((unsigned)(yystack.s_mark - yystack.s_base + 1));
523 if (save == NULL) goto yyenomem;
524 save->save = yyps->save;
525 save->state = yystate;
526 save->errflag = yyerrflag;
527 save->yystack.s_mark = save->yystack.s_base + (yystack.s_mark - yystack.s_base);
528 memcpy (save->yystack.s_base, yystack.s_base, (yystack.s_mark - yystack.s_base + 1) * sizeof(short));
529 save->yystack.l_mark = save->yystack.l_base + (yystack.l_mark - yystack.l_base);
530 memcpy (save->yystack.l_base, yystack.l_base, (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
531 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
532 save->yystack.p_mark = save->yystack.p_base + (yystack.p_mark - yystack.p_base);
533 memcpy (save->yystack.p_base, yystack.p_base, (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
534 #endif
535 ctry = yytable[yyn];
536 if (yyctable[ctry] == -1)
537 {
538 #if YYDEBUG
539 if (yydebug && yychar >= YYEOF)
540 fprintf(stderr, "%s[%d]: backtracking 1 token\n", YYDEBUGSTR, yydepth);
541 #endif
542 ctry++;
543 }
544 save->ctry = ctry;
545 if (yyps->save == NULL)
546 {
547 /* If this is a first conflict in the stack, start saving lexemes */
548 if (!yylexemes)
549 {
550 yylexemes = (short *) malloc((YYLVQUEUEGROWTH) * sizeof(short));
551 if (yylexemes == NULL) goto yyenomem;
552 yylvals = (YYSTYPE *) malloc((YYLVQUEUEGROWTH) * sizeof(YYSTYPE));
553 if (yylvals == NULL) goto yyenomem;
554 yylvlim = yylvals + YYLVQUEUEGROWTH;
555 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
556 yylpsns = (YYLTYPE *) malloc((YYLVQUEUEGROWTH) * sizeof(YYLTYPE));
557 if (yylpsns == NULL) goto yyenomem;
558 yylplim = yylpsns + YYLVQUEUEGROWTH;
559 #endif
560 }
561 if (yylvp == yylve)
562 {
563 yylvp = yylve = yylvals;
564 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
565 yylpp = yylpe = yylpsns;
566 #endif
567 yylexp = yylexemes;
568 if (yychar >= YYEOF)
569 {
570 *yylve++ = yylval;
571 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
572 *yylpe++ = yylloc;
573 #endif
574 *yylexp = (short) yychar;
575 yychar = YYEMPTY;
576 }
577 }
578 }
579 if (yychar >= YYEOF)
580 {
581 yylvp--;
582 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
583 yylpp--;
584 #endif
585 yylexp--;
586 yychar = YYEMPTY;
587 }
588 save->lexeme = yylvp - yylvals;
589 yyps->save = save;
590 }
591 if (yytable[yyn] == ctry)
592 {
593 #if YYDEBUG
594 if (yydebug)
595 fprintf(stderr, "%s[%d]: state %d, shifting to state %d\n",
596 YYDEBUGSTR, yydepth, yystate, yyctable[ctry]);
597 #endif
598 if (yychar < 0)
599 {
600 yylvp++;
601 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
602 yylpp++;
603 #endif
604 yylexp++;
605 }
606 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM)
607 goto yyoverflow;
608 yystate = yyctable[ctry];
609 *++yystack.s_mark = (short) yystate;
610 *++yystack.l_mark = yylval;
611 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
612 *++yystack.p_mark = yylloc;
613 #endif
614 yychar = YYEMPTY;
615 if (yyerrflag > 0) --yyerrflag;
616 goto yyloop;
617 }
618 else
619 {
620 yyn = yyctable[ctry];
621 goto yyreduce;
622 }
623 } /* End of code dealing with conflicts */
624 #endif /* YYBTYACC */
625 if (((yyn = yysindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
626 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
627 {
628 #if YYDEBUG
629 if (yydebug)
630 fprintf(stderr, "%s[%d]: state %d, shifting to state %d\n",
631 YYDEBUGSTR, yydepth, yystate, yytable[yyn]);
632 #endif
633 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
634 yystate = yytable[yyn];
635 *++yystack.s_mark = yytable[yyn];
636 *++yystack.l_mark = yylval;
637 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
638 *++yystack.p_mark = yylloc;
639 #endif
640 yychar = YYEMPTY;
641 if (yyerrflag > 0) --yyerrflag;
642 goto yyloop;
643 }
644 if (((yyn = yyrindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
645 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
646 {
647 yyn = yytable[yyn];
648 goto yyreduce;
649 }
650 if (yyerrflag != 0) goto yyinrecovery;
651 #if YYBTYACC
652
653 yynewerrflag = 1;
654 goto yyerrhandler;
655 goto yyerrlab;
656
657 yyerrlab:
658 yynewerrflag = 0;
659 yyerrhandler:
660 while (yyps->save)
661 {
662 int ctry;
663 YYParseState *save = yyps->save;
664 #if YYDEBUG
665 if (yydebug)
666 fprintf(stderr, "%s[%d]: ERROR in state %d, CONFLICT BACKTRACKING to state %d, %d tokens\n",
667 YYDEBUGSTR, yydepth, yystate, yyps->save->state,
668 (int)(yylvp - yylvals - yyps->save->lexeme));
669 #endif
670 /* Memorize most forward-looking error state in case it's really an error. */
671 if (yyerrctx == NULL || yyerrctx->lexeme < yylvp - yylvals)
672 {
673 /* Free old saved error context state */
674 if (yyerrctx) yyFreeState(yyerrctx);
675 /* Create and fill out new saved error context state */
676 yyerrctx = yyNewState((unsigned)(yystack.s_mark - yystack.s_base + 1));
677 if (yyerrctx == NULL) goto yyenomem;
678 yyerrctx->save = yyps->save;
679 yyerrctx->state = yystate;
680 yyerrctx->errflag = yyerrflag;
681 yyerrctx->yystack.s_mark = yyerrctx->yystack.s_base + (yystack.s_mark - yystack.s_base);
682 memcpy (yyerrctx->yystack.s_base, yystack.s_base, (yystack.s_mark - yystack.s_base + 1) * sizeof(short));
683 yyerrctx->yystack.l_mark = yyerrctx->yystack.l_base + (yystack.l_mark - yystack.l_base);
684 memcpy (yyerrctx->yystack.l_base, yystack.l_base, (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
685 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
686 yyerrctx->yystack.p_mark = yyerrctx->yystack.p_base + (yystack.p_mark - yystack.p_base);
687 memcpy (yyerrctx->yystack.p_base, yystack.p_base, (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
688 #endif
689 yyerrctx->lexeme = yylvp - yylvals;
690 }
691 yylvp = yylvals + save->lexeme;
692 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
693 yylpp = yylpsns + save->lexeme;
694 #endif
695 yylexp = yylexemes + save->lexeme;
696 yychar = YYEMPTY;
697 yystack.s_mark = yystack.s_base + (save->yystack.s_mark - save->yystack.s_base);
698 memcpy (yystack.s_base, save->yystack.s_base, (yystack.s_mark - yystack.s_base + 1) * sizeof(short));
699 yystack.l_mark = yystack.l_base + (save->yystack.l_mark - save->yystack.l_base);
700 memcpy (yystack.l_base, save->yystack.l_base, (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
701 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
702 yystack.p_mark = yystack.p_base + (save->yystack.p_mark - save->yystack.p_base);
703 memcpy (yystack.p_base, save->yystack.p_base, (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
704 #endif
705 ctry = ++save->ctry;
706 yystate = save->state;
707 /* We tried shift, try reduce now */
708 if ((yyn = yyctable[ctry]) >= 0) goto yyreduce;
709 yyps->save = save->save;
710 save->save = NULL;
711 yyFreeState(save);
712
713 /* Nothing left on the stack -- error */
714 if (!yyps->save)
715 {
716 #if YYDEBUG
717 if (yydebug)
718 fprintf(stderr, "%sdebug[%d,trial]: trial parse FAILED, entering ERROR mode\n",
719 YYPREFIX, yydepth);
720 #endif
721 /* Restore state as it was in the most forward-advanced error */
722 yylvp = yylvals + yyerrctx->lexeme;
723 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
724 yylpp = yylpsns + yyerrctx->lexeme;
725 #endif
726 yylexp = yylexemes + yyerrctx->lexeme;
727 yychar = yylexp[-1];
728 yylval = yylvp[-1];
729 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
730 yylloc = yylpp[-1];
731 #endif
732 yystack.s_mark = yystack.s_base + (yyerrctx->yystack.s_mark - yyerrctx->yystack.s_base);
733 memcpy (yystack.s_base, yyerrctx->yystack.s_base, (yystack.s_mark - yystack.s_base + 1) * sizeof(short));
734 yystack.l_mark = yystack.l_base + (yyerrctx->yystack.l_mark - yyerrctx->yystack.l_base);
735 memcpy (yystack.l_base, yyerrctx->yystack.l_base, (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
736 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
737 yystack.p_mark = yystack.p_base + (yyerrctx->yystack.p_mark - yyerrctx->yystack.p_base);
738 memcpy (yystack.p_base, yyerrctx->yystack.p_base, (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
739 #endif
740 yystate = yyerrctx->state;
741 yyFreeState(yyerrctx);
742 yyerrctx = NULL;
743 }
744 yynewerrflag = 1;
745 }
746 if (yynewerrflag == 0) goto yyinrecovery;
747 #endif /* YYBTYACC */
748
749 YYERROR_CALL("syntax error");
750 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
751 yyerror_loc_range[0] = yylloc; /* lookahead position is error start position */
752 #endif
753
754 #if !YYBTYACC
755 goto yyerrlab;
756 yyerrlab:
757 #endif
758 ++yynerrs;
759
760 yyinrecovery:
761 if (yyerrflag < 3)
762 {
763 yyerrflag = 3;
764 for (;;)
765 {
766 if (((yyn = yysindex[*yystack.s_mark]) != 0) && (yyn += YYERRCODE) >= 0 &&
767 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) YYERRCODE)
768 {
769 #if YYDEBUG
770 if (yydebug)
771 fprintf(stderr, "%s[%d]: state %d, error recovery shifting to state %d\n",
772 YYDEBUGSTR, yydepth, *yystack.s_mark, yytable[yyn]);
773 #endif
774 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
775 yystate = yytable[yyn];
776 *++yystack.s_mark = yytable[yyn];
777 *++yystack.l_mark = yylval;
778 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
779 /* lookahead position is error end position */
780 yyerror_loc_range[1] = yylloc;
781 YYLLOC_DEFAULT(yyloc, yyerror_loc_range, 2); /* position of error span */
782 *++yystack.p_mark = yyloc;
783 #endif
784 goto yyloop;
785 }
786 else
787 {
788 #if YYDEBUG
789 if (yydebug)
790 fprintf(stderr, "%s[%d]: error recovery discarding state %d\n",
791 YYDEBUGSTR, yydepth, *yystack.s_mark);
792 #endif
793 if (yystack.s_mark <= yystack.s_base) goto yyabort;
794 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
795 /* the current TOS position is the error start position */
796 yyerror_loc_range[0] = *yystack.p_mark;
797 #endif
798 #if defined(YYDESTRUCT_CALL)
799 #if YYBTYACC
800 if (!yytrial)
801 #endif /* YYBTYACC */
802 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
803 YYDESTRUCT_CALL("error: discarding state",
804 yystos[*yystack.s_mark], yystack.l_mark, yystack.p_mark);
805 #else
806 YYDESTRUCT_CALL("error: discarding state",
807 yystos[*yystack.s_mark], yystack.l_mark);
808 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
809 #endif /* defined(YYDESTRUCT_CALL) */
810 --yystack.s_mark;
811 --yystack.l_mark;
812 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
813 --yystack.p_mark;
814 #endif
815 }
816 }
817 }
818 else
819 {
820 if (yychar == YYEOF) goto yyabort;
821 #if YYDEBUG
822 if (yydebug)
823 {
824 yys = yyname[YYTRANSLATE(yychar)];
825 fprintf(stderr, "%s[%d]: state %d, error recovery discarding token %d (%s)\n",
826 YYDEBUGSTR, yydepth, yystate, yychar, yys);
827 }
828 #endif
829 #if defined(YYDESTRUCT_CALL)
830 #if YYBTYACC
831 if (!yytrial)
832 #endif /* YYBTYACC */
833 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
834 YYDESTRUCT_CALL("error: discarding token", yychar, &yylval, &yylloc);
835 #else
836 YYDESTRUCT_CALL("error: discarding token", yychar, &yylval);
837 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
838 #endif /* defined(YYDESTRUCT_CALL) */
839 yychar = YYEMPTY;
840 goto yyloop;
841 }
842
843 yyreduce:
844 yym = yylen[yyn];
845 #if YYDEBUG
846 if (yydebug)
847 {
848 fprintf(stderr, "%s[%d]: state %d, reducing by rule %d (%s)",
849 YYDEBUGSTR, yydepth, yystate, yyn, yyrule[yyn]);
850 #ifdef YYSTYPE_TOSTRING
851 #if YYBTYACC
852 if (!yytrial)
853 #endif /* YYBTYACC */
854 if (yym > 0)
855 {
856 int i;
857 fputc('<', stderr);
858 for (i = yym; i > 0; i--)
859 {
860 if (i != yym) fputs(", ", stderr);
861 fputs(YYSTYPE_TOSTRING(yystos[yystack.s_mark[1-i]],
862 yystack.l_mark[1-i]), stderr);
863 }
864 fputc('>', stderr);
865 }
866 #endif
867 fputc('\n', stderr);
868 }
869 #endif
870 if (yym > 0)
871 yyval = yystack.l_mark[1-yym];
872 else
873 memset(&yyval, 0, sizeof yyval);
874 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
875
876 /* Perform position reduction */
877 memset(&yyloc, 0, sizeof(yyloc));
878 #if YYBTYACC
879 if (!yytrial)
880 #endif /* YYBTYACC */
881 {
882 YYLLOC_DEFAULT(yyloc, &yystack.p_mark[1-yym], yym);
883 /* just in case YYERROR is invoked within the action, save
884 the start of the rhs as the error start position */
885 yyerror_loc_range[0] = yystack.p_mark[1-yym];
886 }
887 #endif
888
889 switch (yyn)
890 {
891 default:
892 break;
893 }
894 yystack.s_mark -= yym;
895 yystate = *yystack.s_mark;
896 yystack.l_mark -= yym;
897 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
898 yystack.p_mark -= yym;
899 #endif
900 yym = yylhs[yyn];
901 if (yystate == 0 && yym == 0)
902 {
903 #if YYDEBUG
904 if (yydebug)
905 {
906 fprintf(stderr, "%s[%d]: after reduction, ", YYDEBUGSTR, yydepth);
907 #ifdef YYSTYPE_TOSTRING
908 #if YYBTYACC
909 if (!yytrial)
910 #endif /* YYBTYACC */
911 fprintf(stderr, "result is <%s>, ", YYSTYPE_TOSTRING(yystos[YYFINAL], yyval));
912 #endif
913 fprintf(stderr, "shifting from state 0 to final state %d\n", YYFINAL);
914 }
915 #endif
916 yystate = YYFINAL;
917 *++yystack.s_mark = YYFINAL;
918 *++yystack.l_mark = yyval;
919 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
920 *++yystack.p_mark = yyloc;
921 #endif
922 if (yychar < 0)
923 {
924 #if YYBTYACC
925 do {
926 if (yylvp < yylve)
927 {
928 /* we're currently re-reading tokens */
929 yylval = *yylvp++;
930 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
931 yylloc = *yylpp++;
932 #endif
933 yychar = *yylexp++;
934 break;
935 }
936 if (yyps->save)
937 {
938 /* in trial mode; save scanner results for future parse attempts */
939 if (yylvp == yylvlim)
940 { /* Enlarge lexical value queue */
941 int p = yylvp - yylvals;
942 int s = yylvlim - yylvals;
943
944 s += YYLVQUEUEGROWTH;
945 if ((yylexemes = (short *) realloc(yylexemes, s * sizeof(short))) == NULL)
946 goto yyenomem;
947 if ((yylvals = (YYSTYPE *) realloc(yylvals, s * sizeof(YYSTYPE))) == NULL)
948 goto yyenomem;
949 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
950 if ((yylpsns = (YYLTYPE *) realloc(yylpsns, s * sizeof(YYLTYPE))) == NULL)
951 goto yyenomem;
952 #endif
953 yylvp = yylve = yylvals + p;
954 yylvlim = yylvals + s;
955 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
956 yylpp = yylpe = yylpsns + p;
957 yylplim = yylpsns + s;
958 #endif
959 yylexp = yylexemes + p;
960 }
961 *yylexp = (short) YYLEX;
962 *yylvp++ = yylval;
963 yylve++;
964 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
965 *yylpp++ = yylloc;
966 yylpe++;
967 #endif
968 yychar = *yylexp++;
969 break;
970 }
971 /* normal operation, no conflict encountered */
972 #endif /* YYBTYACC */
973 yychar = YYLEX;
974 #if YYBTYACC
975 } while (0);
976 #endif /* YYBTYACC */
977 if (yychar < 0) yychar = YYEOF;
978 /* if ((yychar = YYLEX) < 0) yychar = YYEOF; */
979 #if YYDEBUG
980 if (yydebug)
981 {
982 yys = yyname[YYTRANSLATE(yychar)];
983 fprintf(stderr, "%s[%d]: state %d, reading %d (%s)\n",
984 YYDEBUGSTR, yydepth, YYFINAL, yychar, yys);
985 }
986 #endif
987 }
988 if (yychar == YYEOF) goto yyaccept;
989 goto yyloop;
990 }
991 if (((yyn = yygindex[yym]) != 0) && (yyn += yystate) >= 0 &&
992 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yystate)
993 yystate = yytable[yyn];
994 else
995 yystate = yydgoto[yym];
996 #if YYDEBUG
997 if (yydebug)
998 {
999 fprintf(stderr, "%s[%d]: after reduction, ", YYDEBUGSTR, yydepth);
1000 #ifdef YYSTYPE_TOSTRING
1001 #if YYBTYACC
1002 if (!yytrial)
1003 #endif /* YYBTYACC */
1004 fprintf(stderr, "result is <%s>, ", YYSTYPE_TOSTRING(yystos[yystate], yyval));
1005 #endif
1006 fprintf(stderr, "shifting from state %d to state %d\n", *yystack.s_mark, yystate);
1007 }
1008 #endif
1009 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
1010 *++yystack.s_mark = (short) yystate;
1011 *++yystack.l_mark = yyval;
1012 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1013 *++yystack.p_mark = yyloc;
1014 #endif
1015 goto yyloop;
1016 #if YYBTYACC
1017
1018 /* Reduction declares that this path is valid. Set yypath and do a full parse */
1019 yyvalid:
1020 if (yypath) YYABORT;
1021 while (yyps->save)
1022 {
1023 YYParseState *save = yyps->save;
1024 yyps->save = save->save;
1025 save->save = yypath;
1026 yypath = save;
1027 }
1028 #if YYDEBUG
1029 if (yydebug)
1030 fprintf(stderr, "%s[%d]: state %d, CONFLICT trial successful, backtracking to state %d, %d tokens\n",
1031 YYDEBUGSTR, yydepth, yystate, yypath->state, (int)(yylvp - yylvals - yypath->lexeme));
1032 #endif
1033 if (yyerrctx)
1034 {
1035 yyFreeState(yyerrctx);
1036 yyerrctx = NULL;
1037 }
1038 yylvp = yylvals + yypath->lexeme;
1039 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1040 yylpp = yylpsns + yypath->lexeme;
1041 #endif
1042 yylexp = yylexemes + yypath->lexeme;
1043 yychar = YYEMPTY;
1044 yystack.s_mark = yystack.s_base + (yypath->yystack.s_mark - yypath->yystack.s_base);
1045 memcpy (yystack.s_base, yypath->yystack.s_base, (yystack.s_mark - yystack.s_base + 1) * sizeof(short));
1046 yystack.l_mark = yystack.l_base + (yypath->yystack.l_mark - yypath->yystack.l_base);
1047 memcpy (yystack.l_base, yypath->yystack.l_base, (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
1048 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1049 yystack.p_mark = yystack.p_base + (yypath->yystack.p_mark - yypath->yystack.p_base);
1050 memcpy (yystack.p_base, yypath->yystack.p_base, (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
1051 #endif
1052 yystate = yypath->state;
1053 goto yyloop;
1054 #endif /* YYBTYACC */
1055
1056 yyoverflow:
1057 YYERROR_CALL("yacc stack overflow");
1058 #if YYBTYACC
1059 goto yyabort_nomem;
1060 yyenomem:
1061 YYERROR_CALL("memory exhausted");
1062 yyabort_nomem:
1063 #endif /* YYBTYACC */
1064 yyresult = 2;
1065 goto yyreturn;
1066
1067 yyabort:
1068 yyresult = 1;
1069 goto yyreturn;
1070
1071 yyaccept:
1072 #if YYBTYACC
1073 if (yyps->save) goto yyvalid;
1074 #endif /* YYBTYACC */
1075 yyresult = 0;
1076
1077 yyreturn:
1078 #if defined(YYDESTRUCT_CALL)
1079 if (yychar != YYEOF && yychar != YYEMPTY)
1080 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1081 YYDESTRUCT_CALL("cleanup: discarding token", yychar, &yylval, &yylloc);
1082 #else
1083 YYDESTRUCT_CALL("cleanup: discarding token", yychar, &yylval);
1084 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
1085
1086 {
1087 YYSTYPE *pv;
1088 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1089 YYLTYPE *pp;
1090
1091 for (pv = yystack.l_base, pp = yystack.p_base; pv <= yystack.l_mark; ++pv, ++pp)
1092 YYDESTRUCT_CALL("cleanup: discarding state",
1093 yystos[*(yystack.s_base + (pv - yystack.l_base))], pv, pp);
1094 #else
1095 for (pv = yystack.l_base; pv <= yystack.l_mark; ++pv)
1096 YYDESTRUCT_CALL("cleanup: discarding state",
1097 yystos[*(yystack.s_base + (pv - yystack.l_base))], pv);
1098 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
1099 }
1100 #endif /* defined(YYDESTRUCT_CALL) */
1101
1102 #if YYBTYACC
1103 if (yyerrctx)
1104 {
1105 yyFreeState(yyerrctx);
1106 yyerrctx = NULL;
1107 }
1108 while (yyps)
1109 {
1110 YYParseState *save = yyps;
1111 yyps = save->save;
1112 save->save = NULL;
1113 yyFreeState(save);
1114 }
1115 while (yypath)
1116 {
1117 YYParseState *save = yypath;
1118 yypath = save->save;
1119 save->save = NULL;
1120 yyFreeState(save);
1121 }
1122 #endif /* YYBTYACC */
1123 yyfreestack(&yystack);
1124 return (yyresult);
1125 }
1126