1 /* original parser id follows */
2 /* yysccsid[] = "@(#)yaccpar 1.9 (Berkeley) 02/21/93" */
3 /* (use YYMAJOR/YYMINOR for ifdefs dependent on parser version) */
8 #define YYCHECK "yyyymmdd"
11 #define yyclearin (yychar = YYEMPTY)
12 #define yyerrok (yyerrflag = 0)
13 #define YYRECOVERING() (yyerrflag != 0)
18 #define YYDEBUGSTR YYPREFIX "debug"
21 #define yyparse error_parse
25 #define yylex error_lex
29 #define yyerror error_error
33 #define yychar error_char
37 #define yyval error_val
41 #define yylval error_lval
45 #define yydebug error_debug
49 #define yynerrs error_nerrs
53 #define yyerrflag error_errflag
54 #endif /* yyerrflag */
57 #define yylhs error_lhs
61 #define yylen error_len
65 #define yydefred error_defred
69 #define yystos error_stos
73 #define yydgoto error_dgoto
77 #define yysindex error_sindex
81 #define yyrindex error_rindex
85 #define yygindex error_gindex
89 #define yytable error_table
93 #define yycheck error_check
97 #define yyname error_name
101 #define yyrule error_rule
107 #define yycindex error_cindex
108 #endif /* yycindex */
111 #define yyctable error_ctable
112 #endif /* yyctable */
114 #endif /* YYBTYACC */
116 #define YYPREFIX "error_"
122 static void yyerror(const char *);
123 #line 124 "error.tab.c"
125 #if ! defined(YYSTYPE) && ! defined(YYSTYPE_IS_DECLARED)
126 /* Default: YYSTYPE is the semantic value type. */
128 # define YYSTYPE_IS_DECLARED 1
131 /* compatibility with bison */
133 /* compatibility with FreeBSD */
134 # ifdef YYPARSE_PARAM_TYPE
135 # define YYPARSE_DECL() yyparse(YYPARSE_PARAM_TYPE YYPARSE_PARAM)
137 # define YYPARSE_DECL() yyparse(void *YYPARSE_PARAM)
140 # define YYPARSE_DECL() yyparse(void)
143 /* Parameters sent to lex. */
145 # define YYLEX_DECL() yylex(void *YYLEX_PARAM)
146 # define YYLEX yylex(YYLEX_PARAM)
148 # define YYLEX_DECL() yylex(void)
149 # define YYLEX yylex()
152 /* Parameters sent to yyerror. */
154 #define YYERROR_DECL() yyerror(const char *s)
157 #define YYERROR_CALL(msg) yyerror(msg)
160 extern int YYPARSE_DECL();
162 #define YYERRCODE 256
164 static const YYINT error_lhs[] = { -1,
167 static const YYINT error_len[] = { 2,
170 static const YYINT error_defred[] = { 0,
173 #if defined(YYDESTRUCT_CALL) || defined(YYSTYPE_TOSTRING)
174 static const YYINT error_stos[] = { 0,
177 #endif /* YYDESTRUCT_CALL || YYSTYPE_TOSTRING */
178 static const YYINT error_dgoto[] = { 2,
180 static const YYINT error_sindex[] = { -256,
183 static const YYINT error_rindex[] = { 0,
187 static const YYINT error_cindex[] = { 0,
191 static const YYINT error_gindex[] = { 0,
193 #define YYTABLESIZE 0
194 static const YYINT error_table[] = { 1,
196 static const YYINT error_check[] = { 256,
199 static const YYINT error_ctable[] = { -1,
206 #define YYMAXTOKEN 256
207 #define YYUNDFTOKEN 259
208 #define YYTRANSLATE(a) ((a) > YYMAXTOKEN ? YYUNDFTOKEN : (a))
210 static const char *const error_name[] = {
212 "$end",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
213 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
214 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
215 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
216 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
217 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
218 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"error","$accept","S","illegal-symbol",
220 static const char *const error_rule[] = {
237 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
238 YYLTYPE yyloc; /* position returned by actions */
239 YYLTYPE yylloc; /* position from the lexer */
242 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
243 #ifndef YYLLOC_DEFAULT
244 #define YYLLOC_DEFAULT(loc, rhs, n) \
249 (loc).first_line = YYRHSLOC(rhs, 0).last_line; \
250 (loc).first_column = YYRHSLOC(rhs, 0).last_column; \
251 (loc).last_line = YYRHSLOC(rhs, 0).last_line; \
252 (loc).last_column = YYRHSLOC(rhs, 0).last_column; \
256 (loc).first_line = YYRHSLOC(rhs, 1).first_line; \
257 (loc).first_column = YYRHSLOC(rhs, 1).first_column; \
258 (loc).last_line = YYRHSLOC(rhs, n).last_line; \
259 (loc).last_column = YYRHSLOC(rhs, n).last_column; \
262 #endif /* YYLLOC_DEFAULT */
263 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
266 #ifndef YYLVQUEUEGROWTH
267 #define YYLVQUEUEGROWTH 32
269 #endif /* YYBTYACC */
271 /* define the initial stack-sizes */
274 #define YYMAXDEPTH YYSTACKSIZE
277 #define YYSTACKSIZE YYMAXDEPTH
279 #define YYSTACKSIZE 10000
280 #define YYMAXDEPTH 10000
284 #ifndef YYINITSTACKSIZE
285 #define YYINITSTACKSIZE 200
295 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
302 struct YYParseState_s
304 struct YYParseState_s *save; /* Previously saved parser state */
305 YYSTACKDATA yystack; /* saved parser stack */
306 int state; /* saved parser state */
307 int errflag; /* saved error recovery status */
308 int lexeme; /* saved index of the conflict lexeme in the lexical queue */
309 YYINT ctry; /* saved index in yyctable[] for this conflict */
311 typedef struct YYParseState_s YYParseState;
312 #endif /* YYBTYACC */
313 /* variables for the parser stack */
314 static YYSTACKDATA yystack;
317 /* Current parser state */
318 static YYParseState *yyps = 0;
320 /* yypath != NULL: do the full parse, starting at *yypath parser state. */
321 static YYParseState *yypath = 0;
323 /* Base of the lexical value queue */
324 static YYSTYPE *yylvals = 0;
326 /* Current position at lexical value queue */
327 static YYSTYPE *yylvp = 0;
329 /* End position of lexical value queue */
330 static YYSTYPE *yylve = 0;
332 /* The last allocated position at the lexical value queue */
333 static YYSTYPE *yylvlim = 0;
335 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
336 /* Base of the lexical position queue */
337 static YYLTYPE *yylpsns = 0;
339 /* Current position at lexical position queue */
340 static YYLTYPE *yylpp = 0;
342 /* End position of lexical position queue */
343 static YYLTYPE *yylpe = 0;
345 /* The last allocated position at the lexical position queue */
346 static YYLTYPE *yylplim = 0;
349 /* Current position at lexical token queue */
350 static YYINT *yylexp = 0;
352 static YYINT *yylexemes = 0;
353 #endif /* YYBTYACC */
361 printf("yyparse() = %d\n", yyparse());
372 yyerror(const char* s)
376 #line 377 "error.tab.c"
378 /* For use in generated program */
379 #define yydepth (int)(yystack.s_mark - yystack.s_base)
381 #define yytrial (yyps->save)
382 #endif /* YYBTYACC */
385 #include <stdio.h> /* needed for printf */
388 #include <stdlib.h> /* needed for malloc, etc */
389 #include <string.h> /* needed for memset */
391 /* allocate initial stack or double stack size, up to YYMAXDEPTH */
392 static int yygrowstack(YYSTACKDATA *data)
398 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
402 if ((newsize = data->stacksize) == 0)
403 newsize = YYINITSTACKSIZE;
404 else if (newsize >= YYMAXDEPTH)
406 else if ((newsize *= 2) > YYMAXDEPTH)
407 newsize = YYMAXDEPTH;
409 i = (int) (data->s_mark - data->s_base);
410 newss = (YYINT *)realloc(data->s_base, newsize * sizeof(*newss));
414 data->s_base = newss;
415 data->s_mark = newss + i;
417 newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs));
421 data->l_base = newvs;
422 data->l_mark = newvs + i;
424 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
425 newps = (YYLTYPE *)realloc(data->p_base, newsize * sizeof(*newps));
429 data->p_base = newps;
430 data->p_mark = newps + i;
433 data->stacksize = newsize;
434 data->s_last = data->s_base + newsize - 1;
438 fprintf(stderr, "%sdebug: stack size increased to %d\n", YYPREFIX, newsize);
443 #if YYPURE || defined(YY_NO_LEAKS)
444 static void yyfreestack(YYSTACKDATA *data)
448 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
451 memset(data, 0, sizeof(*data));
454 #define yyfreestack(data) /* nothing */
455 #endif /* YYPURE || defined(YY_NO_LEAKS) */
458 static YYParseState *
459 yyNewState(unsigned size)
461 YYParseState *p = (YYParseState *) malloc(sizeof(YYParseState));
462 if (p == NULL) return NULL;
464 p->yystack.stacksize = size;
467 p->yystack.s_base = NULL;
468 p->yystack.l_base = NULL;
469 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
470 p->yystack.p_base = NULL;
474 p->yystack.s_base = (YYINT *) malloc(size * sizeof(YYINT));
475 if (p->yystack.s_base == NULL) return NULL;
476 p->yystack.l_base = (YYSTYPE *) malloc(size * sizeof(YYSTYPE));
477 if (p->yystack.l_base == NULL) return NULL;
478 memset(p->yystack.l_base, 0, size * sizeof(YYSTYPE));
479 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
480 p->yystack.p_base = (YYLTYPE *) malloc(size * sizeof(YYLTYPE));
481 if (p->yystack.p_base == NULL) return NULL;
482 memset(p->yystack.p_base, 0, size * sizeof(YYLTYPE));
489 yyFreeState(YYParseState *p)
491 yyfreestack(&p->yystack);
494 #endif /* YYBTYACC */
496 #define YYABORT goto yyabort
497 #define YYREJECT goto yyabort
498 #define YYACCEPT goto yyaccept
499 #define YYERROR goto yyerrlab
501 #define YYVALID do { if (yyps->save) goto yyvalid; } while(0)
502 #define YYVALID_NESTED do { if (yyps->save && \
503 yyps->save->save == 0) goto yyvalid; } while(0)
504 #endif /* YYBTYACC */
509 int yym, yyn, yystate, yyresult;
512 YYParseState *yyerrctx = NULL;
513 #endif /* YYBTYACC */
514 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
515 YYLTYPE yyerror_loc_range[3]; /* position of error start/end (0 unused) */
520 if ((yys = getenv("YYDEBUG")) != 0)
523 if (yyn >= '0' && yyn <= '9')
527 fprintf(stderr, "%sdebug[<# of symbols on state stack>]\n", YYPREFIX);
529 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
530 memset(yyerror_loc_range, 0, sizeof(yyerror_loc_range));
534 yyps = yyNewState(0); if (yyps == 0) goto yyenomem;
536 #endif /* YYBTYACC */
545 memset(&yystack, 0, sizeof(yystack));
548 if (yystack.s_base == NULL && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
549 yystack.s_mark = yystack.s_base;
550 yystack.l_mark = yystack.l_base;
551 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
552 yystack.p_mark = yystack.p_base;
558 if ((yyn = yydefred[yystate]) != 0) goto yyreduce;
565 /* we're currently re-reading tokens */
567 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
575 /* in trial mode; save scanner results for future parse attempts */
576 if (yylvp == yylvlim)
577 { /* Enlarge lexical value queue */
578 size_t p = (size_t) (yylvp - yylvals);
579 size_t s = (size_t) (yylvlim - yylvals);
581 s += YYLVQUEUEGROWTH;
582 if ((yylexemes = (YYINT *)realloc(yylexemes, s * sizeof(YYINT))) == NULL) goto yyenomem;
583 if ((yylvals = (YYSTYPE *)realloc(yylvals, s * sizeof(YYSTYPE))) == NULL) goto yyenomem;
584 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
585 if ((yylpsns = (YYLTYPE *)realloc(yylpsns, s * sizeof(YYLTYPE))) == NULL) goto yyenomem;
587 yylvp = yylve = yylvals + p;
588 yylvlim = yylvals + s;
589 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
590 yylpp = yylpe = yylpsns + p;
591 yylplim = yylpsns + s;
593 yylexp = yylexemes + p;
595 *yylexp = (YYINT) YYLEX;
598 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
605 /* normal operation, no conflict encountered */
606 #endif /* YYBTYACC */
610 #endif /* YYBTYACC */
611 if (yychar < 0) yychar = YYEOF;
615 if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
616 fprintf(stderr, "%s[%d]: state %d, reading token %d (%s)",
617 YYDEBUGSTR, yydepth, yystate, yychar, yys);
618 #ifdef YYSTYPE_TOSTRING
621 #endif /* YYBTYACC */
622 fprintf(stderr, " <%s>", YYSTYPE_TOSTRING(yychar, yylval));
630 /* Do we have a conflict? */
631 if (((yyn = yycindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
632 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
641 fprintf(stderr, "%s[%d]: CONFLICT in state %d: following successful trial parse\n",
642 YYDEBUGSTR, yydepth, yystate);
644 /* Switch to the next conflict context */
649 if (save->state != yystate) YYABORT;
656 /* Unresolved conflict - start/continue trial parse */
661 fprintf(stderr, "%s[%d]: CONFLICT in state %d. ", YYDEBUGSTR, yydepth, yystate);
663 fputs("ALREADY in conflict, continuing trial parse.\n", stderr);
665 fputs("Starting trial parse.\n", stderr);
668 save = yyNewState((unsigned)(yystack.s_mark - yystack.s_base + 1));
669 if (save == NULL) goto yyenomem;
670 save->save = yyps->save;
671 save->state = yystate;
672 save->errflag = yyerrflag;
673 save->yystack.s_mark = save->yystack.s_base + (yystack.s_mark - yystack.s_base);
674 memcpy (save->yystack.s_base, yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT));
675 save->yystack.l_mark = save->yystack.l_base + (yystack.l_mark - yystack.l_base);
676 memcpy (save->yystack.l_base, yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
677 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
678 save->yystack.p_mark = save->yystack.p_base + (yystack.p_mark - yystack.p_base);
679 memcpy (save->yystack.p_base, yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
682 if (yyctable[ctry] == -1)
685 if (yydebug && yychar >= YYEOF)
686 fprintf(stderr, "%s[%d]: backtracking 1 token\n", YYDEBUGSTR, yydepth);
691 if (yyps->save == NULL)
693 /* If this is a first conflict in the stack, start saving lexemes */
696 yylexemes = (YYINT *) malloc((YYLVQUEUEGROWTH) * sizeof(YYINT));
697 if (yylexemes == NULL) goto yyenomem;
698 yylvals = (YYSTYPE *) malloc((YYLVQUEUEGROWTH) * sizeof(YYSTYPE));
699 if (yylvals == NULL) goto yyenomem;
700 yylvlim = yylvals + YYLVQUEUEGROWTH;
701 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
702 yylpsns = (YYLTYPE *) malloc((YYLVQUEUEGROWTH) * sizeof(YYLTYPE));
703 if (yylpsns == NULL) goto yyenomem;
704 yylplim = yylpsns + YYLVQUEUEGROWTH;
709 yylvp = yylve = yylvals;
710 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
711 yylpp = yylpe = yylpsns;
717 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
720 *yylexp = (YYINT) yychar;
728 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
734 save->lexeme = (int) (yylvp - yylvals);
737 if (yytable[yyn] == ctry)
741 fprintf(stderr, "%s[%d]: state %d, shifting to state %d\n",
742 YYDEBUGSTR, yydepth, yystate, yyctable[ctry]);
747 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
752 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM)
754 yystate = yyctable[ctry];
755 *++yystack.s_mark = (YYINT) yystate;
756 *++yystack.l_mark = yylval;
757 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
758 *++yystack.p_mark = yylloc;
761 if (yyerrflag > 0) --yyerrflag;
766 yyn = yyctable[ctry];
769 } /* End of code dealing with conflicts */
770 #endif /* YYBTYACC */
771 if (((yyn = yysindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
772 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
776 fprintf(stderr, "%s[%d]: state %d, shifting to state %d\n",
777 YYDEBUGSTR, yydepth, yystate, yytable[yyn]);
779 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
780 yystate = yytable[yyn];
781 *++yystack.s_mark = yytable[yyn];
782 *++yystack.l_mark = yylval;
783 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
784 *++yystack.p_mark = yylloc;
787 if (yyerrflag > 0) --yyerrflag;
790 if (((yyn = yyrindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
791 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
796 if (yyerrflag != 0) goto yyinrecovery;
801 goto yyerrlab; /* redundant goto avoids 'unused label' warning */
804 /* explicit YYERROR from an action -- pop the rhs of the rule reduced
805 * before looking for error recovery */
806 yystack.s_mark -= yym;
807 yystate = *yystack.s_mark;
808 yystack.l_mark -= yym;
809 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
810 yystack.p_mark -= yym;
818 YYParseState *save = yyps->save;
821 fprintf(stderr, "%s[%d]: ERROR in state %d, CONFLICT BACKTRACKING to state %d, %d tokens\n",
822 YYDEBUGSTR, yydepth, yystate, yyps->save->state,
823 (int)(yylvp - yylvals - yyps->save->lexeme));
825 /* Memorize most forward-looking error state in case it's really an error. */
826 if (yyerrctx == NULL || yyerrctx->lexeme < yylvp - yylvals)
828 /* Free old saved error context state */
829 if (yyerrctx) yyFreeState(yyerrctx);
830 /* Create and fill out new saved error context state */
831 yyerrctx = yyNewState((unsigned)(yystack.s_mark - yystack.s_base + 1));
832 if (yyerrctx == NULL) goto yyenomem;
833 yyerrctx->save = yyps->save;
834 yyerrctx->state = yystate;
835 yyerrctx->errflag = yyerrflag;
836 yyerrctx->yystack.s_mark = yyerrctx->yystack.s_base + (yystack.s_mark - yystack.s_base);
837 memcpy (yyerrctx->yystack.s_base, yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT));
838 yyerrctx->yystack.l_mark = yyerrctx->yystack.l_base + (yystack.l_mark - yystack.l_base);
839 memcpy (yyerrctx->yystack.l_base, yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
840 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
841 yyerrctx->yystack.p_mark = yyerrctx->yystack.p_base + (yystack.p_mark - yystack.p_base);
842 memcpy (yyerrctx->yystack.p_base, yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
844 yyerrctx->lexeme = (int) (yylvp - yylvals);
846 yylvp = yylvals + save->lexeme;
847 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
848 yylpp = yylpsns + save->lexeme;
850 yylexp = yylexemes + save->lexeme;
852 yystack.s_mark = yystack.s_base + (save->yystack.s_mark - save->yystack.s_base);
853 memcpy (yystack.s_base, save->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT));
854 yystack.l_mark = yystack.l_base + (save->yystack.l_mark - save->yystack.l_base);
855 memcpy (yystack.l_base, save->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
856 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
857 yystack.p_mark = yystack.p_base + (save->yystack.p_mark - save->yystack.p_base);
858 memcpy (yystack.p_base, save->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
861 yystate = save->state;
862 /* We tried shift, try reduce now */
863 if ((yyn = yyctable[ctry]) >= 0) goto yyreduce;
864 yyps->save = save->save;
868 /* Nothing left on the stack -- error */
873 fprintf(stderr, "%sdebug[%d,trial]: trial parse FAILED, entering ERROR mode\n",
876 /* Restore state as it was in the most forward-advanced error */
877 yylvp = yylvals + yyerrctx->lexeme;
878 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
879 yylpp = yylpsns + yyerrctx->lexeme;
881 yylexp = yylexemes + yyerrctx->lexeme;
884 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
887 yystack.s_mark = yystack.s_base + (yyerrctx->yystack.s_mark - yyerrctx->yystack.s_base);
888 memcpy (yystack.s_base, yyerrctx->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT));
889 yystack.l_mark = yystack.l_base + (yyerrctx->yystack.l_mark - yyerrctx->yystack.l_base);
890 memcpy (yystack.l_base, yyerrctx->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
891 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
892 yystack.p_mark = yystack.p_base + (yyerrctx->yystack.p_mark - yyerrctx->yystack.p_base);
893 memcpy (yystack.p_base, yyerrctx->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
895 yystate = yyerrctx->state;
896 yyFreeState(yyerrctx);
901 if (yynewerrflag == 0) goto yyinrecovery;
902 #endif /* YYBTYACC */
904 YYERROR_CALL("syntax error");
905 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
906 yyerror_loc_range[1] = yylloc; /* lookahead position is error start position */
910 goto yyerrlab; /* redundant goto avoids 'unused label' warning */
921 if (((yyn = yysindex[*yystack.s_mark]) != 0) && (yyn += YYERRCODE) >= 0 &&
922 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) YYERRCODE)
926 fprintf(stderr, "%s[%d]: state %d, error recovery shifting to state %d\n",
927 YYDEBUGSTR, yydepth, *yystack.s_mark, yytable[yyn]);
929 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
930 yystate = yytable[yyn];
931 *++yystack.s_mark = yytable[yyn];
932 *++yystack.l_mark = yylval;
933 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
934 /* lookahead position is error end position */
935 yyerror_loc_range[2] = yylloc;
936 YYLLOC_DEFAULT(yyloc, yyerror_loc_range, 2); /* position of error span */
937 *++yystack.p_mark = yyloc;
945 fprintf(stderr, "%s[%d]: error recovery discarding state %d\n",
946 YYDEBUGSTR, yydepth, *yystack.s_mark);
948 if (yystack.s_mark <= yystack.s_base) goto yyabort;
949 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
950 /* the current TOS position is the error start position */
951 yyerror_loc_range[1] = *yystack.p_mark;
953 #if defined(YYDESTRUCT_CALL)
956 #endif /* YYBTYACC */
957 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
958 YYDESTRUCT_CALL("error: discarding state",
959 yystos[*yystack.s_mark], yystack.l_mark, yystack.p_mark);
961 YYDESTRUCT_CALL("error: discarding state",
962 yystos[*yystack.s_mark], yystack.l_mark);
963 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
964 #endif /* defined(YYDESTRUCT_CALL) */
967 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
975 if (yychar == YYEOF) goto yyabort;
979 if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
980 fprintf(stderr, "%s[%d]: state %d, error recovery discarding token %d (%s)\n",
981 YYDEBUGSTR, yydepth, yystate, yychar, yys);
984 #if defined(YYDESTRUCT_CALL)
987 #endif /* YYBTYACC */
988 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
989 YYDESTRUCT_CALL("error: discarding token", yychar, &yylval, &yylloc);
991 YYDESTRUCT_CALL("error: discarding token", yychar, &yylval);
992 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
993 #endif /* defined(YYDESTRUCT_CALL) */
1003 fprintf(stderr, "%s[%d]: state %d, reducing by rule %d (%s)",
1004 YYDEBUGSTR, yydepth, yystate, yyn, yyrule[yyn]);
1005 #ifdef YYSTYPE_TOSTRING
1008 #endif /* YYBTYACC */
1013 for (i = yym; i > 0; i--)
1015 if (i != yym) fputs(", ", stderr);
1016 fputs(YYSTYPE_TOSTRING(yystos[yystack.s_mark[1-i]],
1017 yystack.l_mark[1-i]), stderr);
1022 fputc('\n', stderr);
1026 yyval = yystack.l_mark[1-yym];
1028 memset(&yyval, 0, sizeof yyval);
1029 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1031 /* Perform position reduction */
1032 memset(&yyloc, 0, sizeof(yyloc));
1035 #endif /* YYBTYACC */
1037 YYLLOC_DEFAULT(yyloc, &yystack.p_mark[-yym], yym);
1038 /* just in case YYERROR is invoked within the action, save
1039 the start of the rhs as the error start position */
1040 yyerror_loc_range[1] = yystack.p_mark[1-yym];
1049 yystack.s_mark -= yym;
1050 yystate = *yystack.s_mark;
1051 yystack.l_mark -= yym;
1052 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1053 yystack.p_mark -= yym;
1056 if (yystate == 0 && yym == 0)
1061 fprintf(stderr, "%s[%d]: after reduction, ", YYDEBUGSTR, yydepth);
1062 #ifdef YYSTYPE_TOSTRING
1065 #endif /* YYBTYACC */
1066 fprintf(stderr, "result is <%s>, ", YYSTYPE_TOSTRING(yystos[YYFINAL], yyval));
1068 fprintf(stderr, "shifting from state 0 to final state %d\n", YYFINAL);
1072 *++yystack.s_mark = YYFINAL;
1073 *++yystack.l_mark = yyval;
1074 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1075 *++yystack.p_mark = yyloc;
1083 /* we're currently re-reading tokens */
1085 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1093 /* in trial mode; save scanner results for future parse attempts */
1094 if (yylvp == yylvlim)
1095 { /* Enlarge lexical value queue */
1096 size_t p = (size_t) (yylvp - yylvals);
1097 size_t s = (size_t) (yylvlim - yylvals);
1099 s += YYLVQUEUEGROWTH;
1100 if ((yylexemes = (YYINT *)realloc(yylexemes, s * sizeof(YYINT))) == NULL)
1102 if ((yylvals = (YYSTYPE *)realloc(yylvals, s * sizeof(YYSTYPE))) == NULL)
1104 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1105 if ((yylpsns = (YYLTYPE *)realloc(yylpsns, s * sizeof(YYLTYPE))) == NULL)
1108 yylvp = yylve = yylvals + p;
1109 yylvlim = yylvals + s;
1110 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1111 yylpp = yylpe = yylpsns + p;
1112 yylplim = yylpsns + s;
1114 yylexp = yylexemes + p;
1116 *yylexp = (YYINT) YYLEX;
1119 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1126 /* normal operation, no conflict encountered */
1127 #endif /* YYBTYACC */
1131 #endif /* YYBTYACC */
1132 if (yychar < 0) yychar = YYEOF;
1136 if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
1137 fprintf(stderr, "%s[%d]: state %d, reading token %d (%s)\n",
1138 YYDEBUGSTR, yydepth, YYFINAL, yychar, yys);
1142 if (yychar == YYEOF) goto yyaccept;
1145 if (((yyn = yygindex[yym]) != 0) && (yyn += yystate) >= 0 &&
1146 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yystate)
1147 yystate = yytable[yyn];
1149 yystate = yydgoto[yym];
1153 fprintf(stderr, "%s[%d]: after reduction, ", YYDEBUGSTR, yydepth);
1154 #ifdef YYSTYPE_TOSTRING
1157 #endif /* YYBTYACC */
1158 fprintf(stderr, "result is <%s>, ", YYSTYPE_TOSTRING(yystos[yystate], yyval));
1160 fprintf(stderr, "shifting from state %d to state %d\n", *yystack.s_mark, yystate);
1163 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
1164 *++yystack.s_mark = (YYINT) yystate;
1165 *++yystack.l_mark = yyval;
1166 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1167 *++yystack.p_mark = yyloc;
1172 /* Reduction declares that this path is valid. Set yypath and do a full parse */
1174 if (yypath) YYABORT;
1177 YYParseState *save = yyps->save;
1178 yyps->save = save->save;
1179 save->save = yypath;
1184 fprintf(stderr, "%s[%d]: state %d, CONFLICT trial successful, backtracking to state %d, %d tokens\n",
1185 YYDEBUGSTR, yydepth, yystate, yypath->state, (int)(yylvp - yylvals - yypath->lexeme));
1189 yyFreeState(yyerrctx);
1192 yylvp = yylvals + yypath->lexeme;
1193 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1194 yylpp = yylpsns + yypath->lexeme;
1196 yylexp = yylexemes + yypath->lexeme;
1198 yystack.s_mark = yystack.s_base + (yypath->yystack.s_mark - yypath->yystack.s_base);
1199 memcpy (yystack.s_base, yypath->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT));
1200 yystack.l_mark = yystack.l_base + (yypath->yystack.l_mark - yypath->yystack.l_base);
1201 memcpy (yystack.l_base, yypath->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
1202 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1203 yystack.p_mark = yystack.p_base + (yypath->yystack.p_mark - yypath->yystack.p_base);
1204 memcpy (yystack.p_base, yypath->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
1206 yystate = yypath->state;
1208 #endif /* YYBTYACC */
1211 YYERROR_CALL("yacc stack overflow");
1215 YYERROR_CALL("memory exhausted");
1217 #endif /* YYBTYACC */
1227 if (yyps->save) goto yyvalid;
1228 #endif /* YYBTYACC */
1232 #if defined(YYDESTRUCT_CALL)
1233 if (yychar != YYEOF && yychar != YYEMPTY)
1234 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1235 YYDESTRUCT_CALL("cleanup: discarding token", yychar, &yylval, &yylloc);
1237 YYDESTRUCT_CALL("cleanup: discarding token", yychar, &yylval);
1238 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
1242 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1245 for (pv = yystack.l_base, pp = yystack.p_base; pv <= yystack.l_mark; ++pv, ++pp)
1246 YYDESTRUCT_CALL("cleanup: discarding state",
1247 yystos[*(yystack.s_base + (pv - yystack.l_base))], pv, pp);
1249 for (pv = yystack.l_base; pv <= yystack.l_mark; ++pv)
1250 YYDESTRUCT_CALL("cleanup: discarding state",
1251 yystos[*(yystack.s_base + (pv - yystack.l_base))], pv);
1252 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
1254 #endif /* defined(YYDESTRUCT_CALL) */
1259 yyFreeState(yyerrctx);
1264 YYParseState *save = yyps;
1271 YYParseState *save = yypath;
1272 yypath = save->save;
1276 #endif /* YYBTYACC */
1277 yyfreestack(&yystack);