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_"
120 #line 2 "pure_error.y"
124 #define YYLEX_PARAM &yylval
125 #define YYLEX_DECL() yylex(YYSTYPE *yylval)
126 #define YYERROR_DECL() yyerror(const char *s)
128 static void YYERROR_DECL();
131 #line 132 "pure_error.tab.c"
133 #if ! defined(YYSTYPE) && ! defined(YYSTYPE_IS_DECLARED)
134 /* Default: YYSTYPE is the semantic value type. */
136 # define YYSTYPE_IS_DECLARED 1
139 /* compatibility with bison */
141 /* compatibility with FreeBSD */
142 # ifdef YYPARSE_PARAM_TYPE
143 # define YYPARSE_DECL() yyparse(YYPARSE_PARAM_TYPE YYPARSE_PARAM)
145 # define YYPARSE_DECL() yyparse(void *YYPARSE_PARAM)
148 # define YYPARSE_DECL() yyparse(void)
151 /* Parameters sent to lex. */
153 # ifdef YYLEX_PARAM_TYPE
154 # define YYLEX_DECL() yylex(YYSTYPE *yylval, YYLEX_PARAM_TYPE YYLEX_PARAM)
156 # define YYLEX_DECL() yylex(YYSTYPE *yylval, void * YYLEX_PARAM)
158 # define YYLEX yylex(&yylval, YYLEX_PARAM)
160 # define YYLEX_DECL() yylex(YYSTYPE *yylval)
161 # define YYLEX yylex(&yylval)
164 /* Parameters sent to yyerror. */
166 #define YYERROR_DECL() yyerror(const char *s)
169 #define YYERROR_CALL(msg) yyerror(msg)
172 extern int YYPARSE_DECL();
174 #define YYERRCODE 256
176 static const YYINT error_lhs[] = { -1,
179 static const YYINT error_len[] = { 2,
182 static const YYINT error_defred[] = { 0,
185 #if defined(YYDESTRUCT_CALL) || defined(YYSTYPE_TOSTRING)
186 static const YYINT error_stos[] = { 0,
189 #endif /* YYDESTRUCT_CALL || YYSTYPE_TOSTRING */
190 static const YYINT error_dgoto[] = { 2,
192 static const YYINT error_sindex[] = { -256,
195 static const YYINT error_rindex[] = { 0,
199 static const YYINT error_cindex[] = { 0,
203 static const YYINT error_gindex[] = { 0,
205 #define YYTABLESIZE 0
206 static const YYINT error_table[] = { 1,
208 static const YYINT error_check[] = { 256,
211 static const YYINT error_ctable[] = { -1,
218 #define YYMAXTOKEN 256
219 #define YYUNDFTOKEN 259
220 #define YYTRANSLATE(a) ((a) > YYMAXTOKEN ? YYUNDFTOKEN : (a))
222 static const char *const error_name[] = {
224 "$end",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
225 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
226 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
227 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
228 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
229 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
230 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"error","$accept","S","illegal-symbol",
232 static const char *const error_rule[] = {
242 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
243 #ifndef YYLLOC_DEFAULT
244 #define YYLLOC_DEFAULT(loc, rhs, n) \
249 (loc).first_line = ((rhs)[-1]).last_line; \
250 (loc).first_column = ((rhs)[-1]).last_column; \
251 (loc).last_line = ((rhs)[-1]).last_line; \
252 (loc).last_column = ((rhs)[-1]).last_column; \
256 (loc).first_line = ((rhs)[ 0 ]).first_line; \
257 (loc).first_column = ((rhs)[ 0 ]).first_column; \
258 (loc).last_line = ((rhs)[n-1]).last_line; \
259 (loc).last_column = ((rhs)[n-1]).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 #line 17 "pure_error.y"
318 extern int YYLEX_DECL();
324 printf("yyparse() = %d\n", yyparse());
329 yylex(YYSTYPE *value)
331 return value ? 0 : -1;
335 yyerror(const char* s)
339 #line 340 "pure_error.tab.c"
341 /* For use in generated program */
342 #define yydepth (int)(yystack.s_mark - yystack.s_base)
344 #define yytrial (yyps->save)
345 #endif /* YYBTYACC */
348 #include <stdio.h> /* needed for printf */
351 #include <stdlib.h> /* needed for malloc, etc */
352 #include <string.h> /* needed for memset */
354 /* allocate initial stack or double stack size, up to YYMAXDEPTH */
355 static int yygrowstack(YYSTACKDATA *data)
361 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
365 if ((newsize = data->stacksize) == 0)
366 newsize = YYINITSTACKSIZE;
367 else if (newsize >= YYMAXDEPTH)
369 else if ((newsize *= 2) > YYMAXDEPTH)
370 newsize = YYMAXDEPTH;
372 i = (int) (data->s_mark - data->s_base);
373 newss = (YYINT *)realloc(data->s_base, newsize * sizeof(*newss));
377 data->s_base = newss;
378 data->s_mark = newss + i;
380 newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs));
384 data->l_base = newvs;
385 data->l_mark = newvs + i;
387 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
388 newps = (YYLTYPE *)realloc(data->p_base, newsize * sizeof(*newps));
392 data->p_base = newps;
393 data->p_mark = newps + i;
396 data->stacksize = newsize;
397 data->s_last = data->s_base + newsize - 1;
401 fprintf(stderr, "%sdebug: stack size increased to %d\n", YYPREFIX, newsize);
406 #if YYPURE || defined(YY_NO_LEAKS)
407 static void yyfreestack(YYSTACKDATA *data)
411 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
414 memset(data, 0, sizeof(*data));
417 #define yyfreestack(data) /* nothing */
418 #endif /* YYPURE || defined(YY_NO_LEAKS) */
421 static YYParseState *
422 yyNewState(unsigned size)
424 YYParseState *p = (YYParseState *) malloc(sizeof(YYParseState));
425 if (p == NULL) return NULL;
427 p->yystack.stacksize = size;
430 p->yystack.s_base = NULL;
431 p->yystack.l_base = NULL;
432 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
433 p->yystack.p_base = NULL;
437 p->yystack.s_base = (YYINT *) malloc(size * sizeof(YYINT));
438 if (p->yystack.s_base == NULL) return NULL;
439 p->yystack.l_base = (YYSTYPE *) malloc(size * sizeof(YYSTYPE));
440 if (p->yystack.l_base == NULL) return NULL;
441 memset(p->yystack.l_base, 0, size * sizeof(YYSTYPE));
442 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
443 p->yystack.p_base = (YYLTYPE *) malloc(size * sizeof(YYLTYPE));
444 if (p->yystack.p_base == NULL) return NULL;
445 memset(p->yystack.p_base, 0, size * sizeof(YYLTYPE));
452 yyFreeState(YYParseState *p)
454 yyfreestack(&p->yystack);
457 #endif /* YYBTYACC */
459 #define YYABORT goto yyabort
460 #define YYREJECT goto yyabort
461 #define YYACCEPT goto yyaccept
462 #define YYERROR goto yyerrlab
464 #define YYVALID do { if (yyps->save) goto yyvalid; } while(0)
465 #define YYVALID_NESTED do { if (yyps->save && \
466 yyps->save->save == 0) goto yyvalid; } while(0)
467 #endif /* YYBTYACC */
476 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
477 YYLTYPE yyloc; /* position returned by actions */
478 YYLTYPE yylloc; /* position from the lexer */
481 /* variables for the parser stack */
485 /* Current parser state */
486 static YYParseState *yyps = 0;
488 /* yypath != NULL: do the full parse, starting at *yypath parser state. */
489 static YYParseState *yypath = 0;
491 /* Base of the lexical value queue */
492 static YYSTYPE *yylvals = 0;
494 /* Current position at lexical value queue */
495 static YYSTYPE *yylvp = 0;
497 /* End position of lexical value queue */
498 static YYSTYPE *yylve = 0;
500 /* The last allocated position at the lexical value queue */
501 static YYSTYPE *yylvlim = 0;
503 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
504 /* Base of the lexical position queue */
505 static YYLTYPE *yylpsns = 0;
507 /* Current position at lexical position queue */
508 static YYLTYPE *yylpp = 0;
510 /* End position of lexical position queue */
511 static YYLTYPE *yylpe = 0;
513 /* The last allocated position at the lexical position queue */
514 static YYLTYPE *yylplim = 0;
517 /* Current position at lexical token queue */
518 static YYINT *yylexp = 0;
520 static YYINT *yylexemes = 0;
521 #endif /* YYBTYACC */
522 int yym, yyn, yystate, yyresult;
525 YYParseState *yyerrctx = NULL;
526 #endif /* YYBTYACC */
527 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
528 YYLTYPE yyerror_loc_range[2]; /* position of error start & end */
533 if ((yys = getenv("YYDEBUG")) != 0)
536 if (yyn >= '0' && yyn <= '9')
540 fprintf(stderr, "%sdebug[<# of symbols on state stack>]\n", YYPREFIX);
544 yyps = yyNewState(0); if (yyps == 0) goto yyenomem;
546 #endif /* YYBTYACC */
555 memset(&yystack, 0, sizeof(yystack));
558 if (yystack.s_base == NULL && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
559 yystack.s_mark = yystack.s_base;
560 yystack.l_mark = yystack.l_base;
561 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
562 yystack.p_mark = yystack.p_base;
568 if ((yyn = yydefred[yystate]) != 0) goto yyreduce;
575 /* we're currently re-reading tokens */
577 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
585 /* in trial mode; save scanner results for future parse attempts */
586 if (yylvp == yylvlim)
587 { /* Enlarge lexical value queue */
588 size_t p = (size_t) (yylvp - yylvals);
589 size_t s = (size_t) (yylvlim - yylvals);
591 s += YYLVQUEUEGROWTH;
592 if ((yylexemes = realloc(yylexemes, s * sizeof(YYINT))) == NULL) goto yyenomem;
593 if ((yylvals = realloc(yylvals, s * sizeof(YYSTYPE))) == NULL) goto yyenomem;
594 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
595 if ((yylpsns = realloc(yylpsns, s * sizeof(YYLTYPE))) == NULL) goto yyenomem;
597 yylvp = yylve = yylvals + p;
598 yylvlim = yylvals + s;
599 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
600 yylpp = yylpe = yylpsns + p;
601 yylplim = yylpsns + s;
603 yylexp = yylexemes + p;
605 *yylexp = (YYINT) YYLEX;
608 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
615 /* normal operation, no conflict encountered */
616 #endif /* YYBTYACC */
620 #endif /* YYBTYACC */
621 if (yychar < 0) yychar = YYEOF;
625 if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
626 fprintf(stderr, "%s[%d]: state %d, reading token %d (%s)",
627 YYDEBUGSTR, yydepth, yystate, yychar, yys);
628 #ifdef YYSTYPE_TOSTRING
631 #endif /* YYBTYACC */
632 fprintf(stderr, " <%s>", YYSTYPE_TOSTRING(yychar, yylval));
640 /* Do we have a conflict? */
641 if (((yyn = yycindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
642 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
651 fprintf(stderr, "%s[%d]: CONFLICT in state %d: following successful trial parse\n",
652 YYDEBUGSTR, yydepth, yystate);
654 /* Switch to the next conflict context */
659 if (save->state != yystate) YYABORT;
666 /* Unresolved conflict - start/continue trial parse */
671 fprintf(stderr, "%s[%d]: CONFLICT in state %d. ", YYDEBUGSTR, yydepth, yystate);
673 fputs("ALREADY in conflict, continuing trial parse.\n", stderr);
675 fputs("Starting trial parse.\n", stderr);
678 save = yyNewState((unsigned)(yystack.s_mark - yystack.s_base + 1));
679 if (save == NULL) goto yyenomem;
680 save->save = yyps->save;
681 save->state = yystate;
682 save->errflag = yyerrflag;
683 save->yystack.s_mark = save->yystack.s_base + (yystack.s_mark - yystack.s_base);
684 memcpy (save->yystack.s_base, yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT));
685 save->yystack.l_mark = save->yystack.l_base + (yystack.l_mark - yystack.l_base);
686 memcpy (save->yystack.l_base, yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
687 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
688 save->yystack.p_mark = save->yystack.p_base + (yystack.p_mark - yystack.p_base);
689 memcpy (save->yystack.p_base, yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
692 if (yyctable[ctry] == -1)
695 if (yydebug && yychar >= YYEOF)
696 fprintf(stderr, "%s[%d]: backtracking 1 token\n", YYDEBUGSTR, yydepth);
701 if (yyps->save == NULL)
703 /* If this is a first conflict in the stack, start saving lexemes */
706 yylexemes = malloc((YYLVQUEUEGROWTH) * sizeof(YYINT));
707 if (yylexemes == NULL) goto yyenomem;
708 yylvals = (YYSTYPE *) malloc((YYLVQUEUEGROWTH) * sizeof(YYSTYPE));
709 if (yylvals == NULL) goto yyenomem;
710 yylvlim = yylvals + YYLVQUEUEGROWTH;
711 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
712 yylpsns = (YYLTYPE *) malloc((YYLVQUEUEGROWTH) * sizeof(YYLTYPE));
713 if (yylpsns == NULL) goto yyenomem;
714 yylplim = yylpsns + YYLVQUEUEGROWTH;
719 yylvp = yylve = yylvals;
720 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
721 yylpp = yylpe = yylpsns;
727 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
730 *yylexp = (YYINT) yychar;
738 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
744 save->lexeme = (int) (yylvp - yylvals);
747 if (yytable[yyn] == ctry)
751 fprintf(stderr, "%s[%d]: state %d, shifting to state %d\n",
752 YYDEBUGSTR, yydepth, yystate, yyctable[ctry]);
757 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
762 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM)
764 yystate = yyctable[ctry];
765 *++yystack.s_mark = (YYINT) yystate;
766 *++yystack.l_mark = yylval;
767 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
768 *++yystack.p_mark = yylloc;
771 if (yyerrflag > 0) --yyerrflag;
776 yyn = yyctable[ctry];
779 } /* End of code dealing with conflicts */
780 #endif /* YYBTYACC */
781 if (((yyn = yysindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
782 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
786 fprintf(stderr, "%s[%d]: state %d, shifting to state %d\n",
787 YYDEBUGSTR, yydepth, yystate, yytable[yyn]);
789 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
790 yystate = yytable[yyn];
791 *++yystack.s_mark = yytable[yyn];
792 *++yystack.l_mark = yylval;
793 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
794 *++yystack.p_mark = yylloc;
797 if (yyerrflag > 0) --yyerrflag;
800 if (((yyn = yyrindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
801 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
806 if (yyerrflag != 0) goto yyinrecovery;
811 goto yyerrlab; /* redundant goto avoids 'unused label' warning */
814 /* explicit YYERROR from an action -- pop the rhs of the rule reduced
815 * before looking for error recovery */
816 yystack.s_mark -= yym;
817 yystate = *yystack.s_mark;
818 yystack.l_mark -= yym;
819 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
820 yystack.p_mark -= yym;
828 YYParseState *save = yyps->save;
831 fprintf(stderr, "%s[%d]: ERROR in state %d, CONFLICT BACKTRACKING to state %d, %d tokens\n",
832 YYDEBUGSTR, yydepth, yystate, yyps->save->state,
833 (int)(yylvp - yylvals - yyps->save->lexeme));
835 /* Memorize most forward-looking error state in case it's really an error. */
836 if (yyerrctx == NULL || yyerrctx->lexeme < yylvp - yylvals)
838 /* Free old saved error context state */
839 if (yyerrctx) yyFreeState(yyerrctx);
840 /* Create and fill out new saved error context state */
841 yyerrctx = yyNewState((unsigned)(yystack.s_mark - yystack.s_base + 1));
842 if (yyerrctx == NULL) goto yyenomem;
843 yyerrctx->save = yyps->save;
844 yyerrctx->state = yystate;
845 yyerrctx->errflag = yyerrflag;
846 yyerrctx->yystack.s_mark = yyerrctx->yystack.s_base + (yystack.s_mark - yystack.s_base);
847 memcpy (yyerrctx->yystack.s_base, yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT));
848 yyerrctx->yystack.l_mark = yyerrctx->yystack.l_base + (yystack.l_mark - yystack.l_base);
849 memcpy (yyerrctx->yystack.l_base, yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
850 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
851 yyerrctx->yystack.p_mark = yyerrctx->yystack.p_base + (yystack.p_mark - yystack.p_base);
852 memcpy (yyerrctx->yystack.p_base, yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
854 yyerrctx->lexeme = (int) (yylvp - yylvals);
856 yylvp = yylvals + save->lexeme;
857 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
858 yylpp = yylpsns + save->lexeme;
860 yylexp = yylexemes + save->lexeme;
862 yystack.s_mark = yystack.s_base + (save->yystack.s_mark - save->yystack.s_base);
863 memcpy (yystack.s_base, save->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT));
864 yystack.l_mark = yystack.l_base + (save->yystack.l_mark - save->yystack.l_base);
865 memcpy (yystack.l_base, save->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
866 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
867 yystack.p_mark = yystack.p_base + (save->yystack.p_mark - save->yystack.p_base);
868 memcpy (yystack.p_base, save->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
871 yystate = save->state;
872 /* We tried shift, try reduce now */
873 if ((yyn = yyctable[ctry]) >= 0) goto yyreduce;
874 yyps->save = save->save;
878 /* Nothing left on the stack -- error */
883 fprintf(stderr, "%sdebug[%d,trial]: trial parse FAILED, entering ERROR mode\n",
886 /* Restore state as it was in the most forward-advanced error */
887 yylvp = yylvals + yyerrctx->lexeme;
888 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
889 yylpp = yylpsns + yyerrctx->lexeme;
891 yylexp = yylexemes + yyerrctx->lexeme;
894 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
897 yystack.s_mark = yystack.s_base + (yyerrctx->yystack.s_mark - yyerrctx->yystack.s_base);
898 memcpy (yystack.s_base, yyerrctx->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT));
899 yystack.l_mark = yystack.l_base + (yyerrctx->yystack.l_mark - yyerrctx->yystack.l_base);
900 memcpy (yystack.l_base, yyerrctx->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
901 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
902 yystack.p_mark = yystack.p_base + (yyerrctx->yystack.p_mark - yyerrctx->yystack.p_base);
903 memcpy (yystack.p_base, yyerrctx->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
905 yystate = yyerrctx->state;
906 yyFreeState(yyerrctx);
911 if (yynewerrflag == 0) goto yyinrecovery;
912 #endif /* YYBTYACC */
914 YYERROR_CALL("syntax error");
915 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
916 yyerror_loc_range[0] = yylloc; /* lookahead position is error start position */
920 goto yyerrlab; /* redundant goto avoids 'unused label' warning */
931 if (((yyn = yysindex[*yystack.s_mark]) != 0) && (yyn += YYERRCODE) >= 0 &&
932 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) YYERRCODE)
936 fprintf(stderr, "%s[%d]: state %d, error recovery shifting to state %d\n",
937 YYDEBUGSTR, yydepth, *yystack.s_mark, yytable[yyn]);
939 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
940 yystate = yytable[yyn];
941 *++yystack.s_mark = yytable[yyn];
942 *++yystack.l_mark = yylval;
943 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
944 /* lookahead position is error end position */
945 yyerror_loc_range[1] = yylloc;
946 YYLLOC_DEFAULT(yyloc, yyerror_loc_range, 2); /* position of error span */
947 *++yystack.p_mark = yyloc;
955 fprintf(stderr, "%s[%d]: error recovery discarding state %d\n",
956 YYDEBUGSTR, yydepth, *yystack.s_mark);
958 if (yystack.s_mark <= yystack.s_base) goto yyabort;
959 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
960 /* the current TOS position is the error start position */
961 yyerror_loc_range[0] = *yystack.p_mark;
963 #if defined(YYDESTRUCT_CALL)
966 #endif /* YYBTYACC */
967 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
968 YYDESTRUCT_CALL("error: discarding state",
969 yystos[*yystack.s_mark], yystack.l_mark, yystack.p_mark);
971 YYDESTRUCT_CALL("error: discarding state",
972 yystos[*yystack.s_mark], yystack.l_mark);
973 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
974 #endif /* defined(YYDESTRUCT_CALL) */
977 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
985 if (yychar == YYEOF) goto yyabort;
989 if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
990 fprintf(stderr, "%s[%d]: state %d, error recovery discarding token %d (%s)\n",
991 YYDEBUGSTR, yydepth, yystate, yychar, yys);
994 #if defined(YYDESTRUCT_CALL)
997 #endif /* YYBTYACC */
998 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
999 YYDESTRUCT_CALL("error: discarding token", yychar, &yylval, &yylloc);
1001 YYDESTRUCT_CALL("error: discarding token", yychar, &yylval);
1002 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
1003 #endif /* defined(YYDESTRUCT_CALL) */
1013 fprintf(stderr, "%s[%d]: state %d, reducing by rule %d (%s)",
1014 YYDEBUGSTR, yydepth, yystate, yyn, yyrule[yyn]);
1015 #ifdef YYSTYPE_TOSTRING
1018 #endif /* YYBTYACC */
1023 for (i = yym; i > 0; i--)
1025 if (i != yym) fputs(", ", stderr);
1026 fputs(YYSTYPE_TOSTRING(yystos[yystack.s_mark[1-i]],
1027 yystack.l_mark[1-i]), stderr);
1032 fputc('\n', stderr);
1036 yyval = yystack.l_mark[1-yym];
1038 memset(&yyval, 0, sizeof yyval);
1039 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1041 /* Perform position reduction */
1042 memset(&yyloc, 0, sizeof(yyloc));
1045 #endif /* YYBTYACC */
1047 YYLLOC_DEFAULT(yyloc, &yystack.p_mark[1-yym], yym);
1048 /* just in case YYERROR is invoked within the action, save
1049 the start of the rhs as the error start position */
1050 yyerror_loc_range[0] = yystack.p_mark[1-yym];
1059 yystack.s_mark -= yym;
1060 yystate = *yystack.s_mark;
1061 yystack.l_mark -= yym;
1062 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1063 yystack.p_mark -= yym;
1066 if (yystate == 0 && yym == 0)
1071 fprintf(stderr, "%s[%d]: after reduction, ", YYDEBUGSTR, yydepth);
1072 #ifdef YYSTYPE_TOSTRING
1075 #endif /* YYBTYACC */
1076 fprintf(stderr, "result is <%s>, ", YYSTYPE_TOSTRING(yystos[YYFINAL], yyval));
1078 fprintf(stderr, "shifting from state 0 to final state %d\n", YYFINAL);
1082 *++yystack.s_mark = YYFINAL;
1083 *++yystack.l_mark = yyval;
1084 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1085 *++yystack.p_mark = yyloc;
1093 /* we're currently re-reading tokens */
1095 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1103 /* in trial mode; save scanner results for future parse attempts */
1104 if (yylvp == yylvlim)
1105 { /* Enlarge lexical value queue */
1106 size_t p = (size_t) (yylvp - yylvals);
1107 size_t s = (size_t) (yylvlim - yylvals);
1109 s += YYLVQUEUEGROWTH;
1110 if ((yylexemes = realloc(yylexemes, s * sizeof(YYINT))) == NULL)
1112 if ((yylvals = realloc(yylvals, s * sizeof(YYSTYPE))) == NULL)
1114 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1115 if ((yylpsns = realloc(yylpsns, s * sizeof(YYLTYPE))) == NULL)
1118 yylvp = yylve = yylvals + p;
1119 yylvlim = yylvals + s;
1120 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1121 yylpp = yylpe = yylpsns + p;
1122 yylplim = yylpsns + s;
1124 yylexp = yylexemes + p;
1126 *yylexp = (YYINT) YYLEX;
1129 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1136 /* normal operation, no conflict encountered */
1137 #endif /* YYBTYACC */
1141 #endif /* YYBTYACC */
1142 if (yychar < 0) yychar = YYEOF;
1146 if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
1147 fprintf(stderr, "%s[%d]: state %d, reading token %d (%s)\n",
1148 YYDEBUGSTR, yydepth, YYFINAL, yychar, yys);
1152 if (yychar == YYEOF) goto yyaccept;
1155 if (((yyn = yygindex[yym]) != 0) && (yyn += yystate) >= 0 &&
1156 yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yystate)
1157 yystate = yytable[yyn];
1159 yystate = yydgoto[yym];
1163 fprintf(stderr, "%s[%d]: after reduction, ", YYDEBUGSTR, yydepth);
1164 #ifdef YYSTYPE_TOSTRING
1167 #endif /* YYBTYACC */
1168 fprintf(stderr, "result is <%s>, ", YYSTYPE_TOSTRING(yystos[yystate], yyval));
1170 fprintf(stderr, "shifting from state %d to state %d\n", *yystack.s_mark, yystate);
1173 if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
1174 *++yystack.s_mark = (YYINT) yystate;
1175 *++yystack.l_mark = yyval;
1176 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1177 *++yystack.p_mark = yyloc;
1182 /* Reduction declares that this path is valid. Set yypath and do a full parse */
1184 if (yypath) YYABORT;
1187 YYParseState *save = yyps->save;
1188 yyps->save = save->save;
1189 save->save = yypath;
1194 fprintf(stderr, "%s[%d]: state %d, CONFLICT trial successful, backtracking to state %d, %d tokens\n",
1195 YYDEBUGSTR, yydepth, yystate, yypath->state, (int)(yylvp - yylvals - yypath->lexeme));
1199 yyFreeState(yyerrctx);
1202 yylvp = yylvals + yypath->lexeme;
1203 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1204 yylpp = yylpsns + yypath->lexeme;
1206 yylexp = yylexemes + yypath->lexeme;
1208 yystack.s_mark = yystack.s_base + (yypath->yystack.s_mark - yypath->yystack.s_base);
1209 memcpy (yystack.s_base, yypath->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT));
1210 yystack.l_mark = yystack.l_base + (yypath->yystack.l_mark - yypath->yystack.l_base);
1211 memcpy (yystack.l_base, yypath->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
1212 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1213 yystack.p_mark = yystack.p_base + (yypath->yystack.p_mark - yypath->yystack.p_base);
1214 memcpy (yystack.p_base, yypath->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
1216 yystate = yypath->state;
1218 #endif /* YYBTYACC */
1221 YYERROR_CALL("yacc stack overflow");
1225 YYERROR_CALL("memory exhausted");
1227 #endif /* YYBTYACC */
1237 if (yyps->save) goto yyvalid;
1238 #endif /* YYBTYACC */
1242 #if defined(YYDESTRUCT_CALL)
1243 if (yychar != YYEOF && yychar != YYEMPTY)
1244 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1245 YYDESTRUCT_CALL("cleanup: discarding token", yychar, &yylval, &yylloc);
1247 YYDESTRUCT_CALL("cleanup: discarding token", yychar, &yylval);
1248 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
1252 #if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
1255 for (pv = yystack.l_base, pp = yystack.p_base; pv <= yystack.l_mark; ++pv, ++pp)
1256 YYDESTRUCT_CALL("cleanup: discarding state",
1257 yystos[*(yystack.s_base + (pv - yystack.l_base))], pv, pp);
1259 for (pv = yystack.l_base; pv <= yystack.l_mark; ++pv)
1260 YYDESTRUCT_CALL("cleanup: discarding state",
1261 yystos[*(yystack.s_base + (pv - yystack.l_base))], pv);
1262 #endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
1264 #endif /* defined(YYDESTRUCT_CALL) */
1269 yyFreeState(yyerrctx);
1274 YYParseState *save = yyps;
1281 YYParseState *save = yypath;
1282 yypath = save->save;
1286 #endif /* YYBTYACC */
1287 yyfreestack(&yystack);