diff options
Diffstat (limited to 'src/parsdate.c')
| -rw-r--r-- | src/parsdate.c | 897 |
1 files changed, 864 insertions, 33 deletions
diff --git a/src/parsdate.c b/src/parsdate.c index a38f33c0..396f996c 100644 --- a/src/parsdate.c +++ b/src/parsdate.c @@ -5,7 +5,7 @@ #define YYBYACC 1 #define YYMAJOR 2 #define YYMINOR 0 -#define YYPATCH 20210520 +#define YYPATCH 20220128 #define YYEMPTY (-1) #define yyclearin (yychar = YYEMPTY) @@ -13,6 +13,9 @@ #define YYRECOVERING() (yyerrflag != 0) #define YYENOMEM (-2) #define YYEOF 0 +#undef YYBTYACC +#define YYBTYACC 0 +#define YYDEBUGSTR YYPREFIX "debug" #define YYPREFIX "yy" #define YYPURE 0 @@ -22,7 +25,7 @@ #include <LYLeaks.h> /* - * $LynxId: parsdate.c,v 1.29 2021/06/08 23:03:24 tom Exp $ + * $LynxId: parsdate.c,v 1.30 2022/03/12 12:54:09 tom Exp $ * * This module is adapted and extended from tin, to use for LYmktime(). * @@ -165,7 +168,7 @@ typedef union YYSTYPE { enum _MERIDIAN Meridian; } YYSTYPE; #endif /* !YYSTYPE_IS_DECLARED */ -#line 169 "y.tab.c" +#line 172 "y.tab.c" /* compatibility with bison */ #ifdef YYPARSE_PARAM @@ -234,6 +237,16 @@ static const YYINT yydefred[] = { 1, 0, 23, 0, 11, 10, 0, 0, 26, 0, 0, 21, 0, 27, 13, 12, 0, 0, 29, }; +#if defined(YYDESTRUCT_CALL) || defined(YYSTYPE_TOSTRING) +static const YYINT yystos[] = { 0, + 268, 257, 260, 263, 264, 272, 273, 274, 275, 276, + 260, 44, 264, 261, 262, 259, 260, 261, 262, 263, + 58, 47, 271, 258, 263, 265, 269, 270, 270, 264, + 264, 44, 264, 263, 264, 264, 266, 269, 264, 260, + 45, 264, 58, 269, 271, 47, 58, 264, 260, 264, + 264, 264, 263, 269, 271, 58, 264, 264, +}; +#endif /* YYDESTRUCT_CALL || YYSTYPE_TOSTRING */ static const YYINT yydgoto[] = { 1, 27, 28, 23, 6, 7, 8, 9, 10, }; @@ -253,6 +266,16 @@ static const YYINT yyrindex[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, }; +#if YYBTYACC +static const YYINT yycindex[] = { 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, +}; +#endif static const YYINT yygindex[] = { 0, -17, 44, -31, 0, 0, 0, 0, 0, }; @@ -321,6 +344,40 @@ static const YYINT yycheck[] = { 58, 260, -1, 257, 263, 264, 260, -1, 257, 257, 264, 260, 260, -1, 257, 264, 264, 260, -1, -1, 263, }; +#if YYBTYACC +static const YYINT yyctable[] = { -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, +}; +#endif #define YYFINAL 1 #ifndef YYDEBUG #define YYDEBUG 0 @@ -331,15 +388,16 @@ static const YYINT yycheck[] = { 58, #if YYDEBUG static const char *const yyname[] = { -"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, -0,0,0,0,0,0,0,0,0,0,"','","'-'",0,"'/'",0,0,0,0,0,0,0,0,0,0,"':'",0,0,0,0,0,0,0, +"$end",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,0,0,0,0,0,0,"','","'-'",0,"'/'",0,0,0,0,0,0,0,0,0,0,"':'",0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, -0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"tDAY","tDAYZONE", +0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"error","tDAY","tDAYZONE", "tMERIDIAN","tMONTH","tMONTH_UNIT","tSEC_UNIT","tSNUMBER","tUNUMBER","tZONE", -"tDST",0,0,0,0,0,0,0,0,0,0,"illegal-symbol", +"tDST","$accept","spec","numzone","zone","o_merid","item","time","date","both", +"rel","illegal-symbol", }; static const char *const yyrule[] = { "$accept : spec", @@ -392,6 +450,40 @@ YYSTYPE yyval; YYSTYPE yylval; int yynerrs; +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) +YYLTYPE yyloc; /* position returned by actions */ +YYLTYPE yylloc; /* position from the lexer */ +#endif + +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) +#ifndef YYLLOC_DEFAULT +#define YYLLOC_DEFAULT(loc, rhs, n) \ +do \ +{ \ + if (n == 0) \ + { \ + (loc).first_line = YYRHSLOC(rhs, 0).last_line; \ + (loc).first_column = YYRHSLOC(rhs, 0).last_column; \ + (loc).last_line = YYRHSLOC(rhs, 0).last_line; \ + (loc).last_column = YYRHSLOC(rhs, 0).last_column; \ + } \ + else \ + { \ + (loc).first_line = YYRHSLOC(rhs, 1).first_line; \ + (loc).first_column = YYRHSLOC(rhs, 1).first_column; \ + (loc).last_line = YYRHSLOC(rhs, n).last_line; \ + (loc).last_column = YYRHSLOC(rhs, n).last_column; \ + } \ +} while (0) +#endif /* YYLLOC_DEFAULT */ +#endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */ +#if YYBTYACC + +#ifndef YYLVQUEUEGROWTH +#define YYLVQUEUEGROWTH 32 +#endif +#endif /* YYBTYACC */ + /* define the initial stack-sizes */ #ifdef YYSTACKSIZE #undef YYMAXDEPTH @@ -405,7 +497,9 @@ int yynerrs; #endif #endif +#ifndef YYINITSTACKSIZE #define YYINITSTACKSIZE 200 +#endif typedef struct { unsigned stacksize; @@ -414,9 +508,65 @@ typedef struct { YYINT *s_last; YYSTYPE *l_base; YYSTYPE *l_mark; +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + YYLTYPE *p_base; + YYLTYPE *p_mark; +#endif } YYSTACKDATA; +#if YYBTYACC + +struct YYParseState_s +{ + struct YYParseState_s *save; /* Previously saved parser state */ + YYSTACKDATA yystack; /* saved parser stack */ + int state; /* saved parser state */ + int errflag; /* saved error recovery status */ + int lexeme; /* saved index of the conflict lexeme in the lexical queue */ + YYINT ctry; /* saved index in yyctable[] for this conflict */ +}; +typedef struct YYParseState_s YYParseState; +#endif /* YYBTYACC */ /* variables for the parser stack */ static YYSTACKDATA yystack; +#if YYBTYACC + +/* Current parser state */ +static YYParseState *yyps = 0; + +/* yypath != NULL: do the full parse, starting at *yypath parser state. */ +static YYParseState *yypath = 0; + +/* Base of the lexical value queue */ +static YYSTYPE *yylvals = 0; + +/* Current position at lexical value queue */ +static YYSTYPE *yylvp = 0; + +/* End position of lexical value queue */ +static YYSTYPE *yylve = 0; + +/* The last allocated position at the lexical value queue */ +static YYSTYPE *yylvlim = 0; + +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) +/* Base of the lexical position queue */ +static YYLTYPE *yylpsns = 0; + +/* Current position at lexical position queue */ +static YYLTYPE *yylpp = 0; + +/* End position of lexical position queue */ +static YYLTYPE *yylpe = 0; + +/* The last allocated position at the lexical position queue */ +static YYLTYPE *yylplim = 0; +#endif + +/* Current position at lexical token queue */ +static YYINT *yylexp = 0; + +static YYINT *yylexemes = 0; +#endif /* YYBTYACC */ #line 361 "./parsdate.y" @@ -1049,7 +1199,13 @@ time_t parsedate(char *p, * from the error return value. (Alternately could set errno on error.) */ return (Start == BAD_TIME) ? 0 : Start; } -#line 1053 "y.tab.c" +#line 1203 "y.tab.c" + +/* For use in generated program */ +#define yydepth (int)(yystack.s_mark - yystack.s_base) +#if YYBTYACC +#define yytrial (yyps->save) +#endif /* YYBTYACC */ #if YYDEBUG #include <stdio.h> /* needed for printf */ @@ -1065,6 +1221,9 @@ static int yygrowstack(YYSTACKDATA *data) unsigned newsize; YYINT *newss; YYSTYPE *newvs; +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + YYLTYPE *newps; +#endif if ((newsize = data->stacksize) == 0) newsize = YYINITSTACKSIZE; @@ -1088,8 +1247,22 @@ static int yygrowstack(YYSTACKDATA *data) data->l_base = newvs; data->l_mark = newvs + i; +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + newps = (YYLTYPE *)realloc(data->p_base, newsize * sizeof(*newps)); + if (newps == 0) + return YYENOMEM; + + data->p_base = newps; + data->p_mark = newps + i; +#endif + data->stacksize = newsize; data->s_last = data->s_base + newsize - 1; + +#if YYDEBUG + if (yydebug) + fprintf(stderr, "%sdebug: stack size increased to %d\n", YYPREFIX, newsize); +#endif return 0; } @@ -1098,21 +1271,75 @@ static void yyfreestack(YYSTACKDATA *data) { free(data->s_base); free(data->l_base); +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + free(data->p_base); +#endif memset(data, 0, sizeof(*data)); } #else #define yyfreestack(data) /* nothing */ +#endif /* YYPURE || defined(YY_NO_LEAKS) */ +#if YYBTYACC + +static YYParseState * +yyNewState(unsigned size) +{ + YYParseState *p = (YYParseState *) malloc(sizeof(YYParseState)); + if (p == NULL) return NULL; + + p->yystack.stacksize = size; + if (size == 0) + { + p->yystack.s_base = NULL; + p->yystack.l_base = NULL; +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + p->yystack.p_base = NULL; +#endif + return p; + } + p->yystack.s_base = (YYINT *) malloc(size * sizeof(YYINT)); + if (p->yystack.s_base == NULL) return NULL; + p->yystack.l_base = (YYSTYPE *) malloc(size * sizeof(YYSTYPE)); + if (p->yystack.l_base == NULL) return NULL; + memset(p->yystack.l_base, 0, size * sizeof(YYSTYPE)); +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + p->yystack.p_base = (YYLTYPE *) malloc(size * sizeof(YYLTYPE)); + if (p->yystack.p_base == NULL) return NULL; + memset(p->yystack.p_base, 0, size * sizeof(YYLTYPE)); #endif + return p; +} + +static void +yyFreeState(YYParseState *p) +{ + yyfreestack(&p->yystack); + free(p); +} +#endif /* YYBTYACC */ + #define YYABORT goto yyabort #define YYREJECT goto yyabort #define YYACCEPT goto yyaccept #define YYERROR goto yyerrlab +#if YYBTYACC +#define YYVALID do { if (yyps->save) goto yyvalid; } while(0) +#define YYVALID_NESTED do { if (yyps->save && \ + yyps->save->save == 0) goto yyvalid; } while(0) +#endif /* YYBTYACC */ int YYPARSE_DECL() { - int yym, yyn, yystate; + int yym, yyn, yystate, yyresult; +#if YYBTYACC + int yynewerrflag; + YYParseState *yyerrctx = NULL; +#endif /* YYBTYACC */ +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + YYLTYPE yyerror_loc_range[3]; /* position of error start/end (0 unused) */ +#endif #if YYDEBUG const char *yys; @@ -1122,10 +1349,19 @@ YYPARSE_DECL() if (yyn >= '0' && yyn <= '9') yydebug = yyn - '0'; } + if (yydebug) + fprintf(stderr, "%sdebug[<# of symbols on state stack>]\n", YYPREFIX); +#endif +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + memset(yyerror_loc_range, 0, sizeof(yyerror_loc_range)); #endif +#if YYBTYACC + yyps = yyNewState(0); if (yyps == 0) goto yyenomem; + yyps->save = 0; +#endif /* YYBTYACC */ yym = 0; - yyn = 0; + /* yyn is set below */ yynerrs = 0; yyerrflag = 0; yychar = YYEMPTY; @@ -1138,6 +1374,9 @@ YYPARSE_DECL() if (yystack.s_base == NULL && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow; yystack.s_mark = yystack.s_base; yystack.l_mark = yystack.l_base; +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + yystack.p_mark = yystack.p_base; +#endif yystate = 0; *yystack.s_mark = 0; @@ -1145,29 +1384,231 @@ yyloop: if ((yyn = yydefred[yystate]) != 0) goto yyreduce; if (yychar < 0) { +#if YYBTYACC + do { + if (yylvp < yylve) + { + /* we're currently re-reading tokens */ + yylval = *yylvp++; +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + yylloc = *yylpp++; +#endif + yychar = *yylexp++; + break; + } + if (yyps->save) + { + /* in trial mode; save scanner results for future parse attempts */ + if (yylvp == yylvlim) + { /* Enlarge lexical value queue */ + size_t p = (size_t) (yylvp - yylvals); + size_t s = (size_t) (yylvlim - yylvals); + + s += YYLVQUEUEGROWTH; + if ((yylexemes = (YYINT *)realloc(yylexemes, s * sizeof(YYINT))) == NULL) goto yyenomem; + if ((yylvals = (YYSTYPE *)realloc(yylvals, s * sizeof(YYSTYPE))) == NULL) goto yyenomem; +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + if ((yylpsns = (YYLTYPE *)realloc(yylpsns, s * sizeof(YYLTYPE))) == NULL) goto yyenomem; +#endif + yylvp = yylve = yylvals + p; + yylvlim = yylvals + s; +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + yylpp = yylpe = yylpsns + p; + yylplim = yylpsns + s; +#endif + yylexp = yylexemes + p; + } + *yylexp = (YYINT) YYLEX; + *yylvp++ = yylval; + yylve++; +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + *yylpp++ = yylloc; + yylpe++; +#endif + yychar = *yylexp++; + break; + } + /* normal operation, no conflict encountered */ +#endif /* YYBTYACC */ yychar = YYLEX; +#if YYBTYACC + } while (0); +#endif /* YYBTYACC */ if (yychar < 0) yychar = YYEOF; #if YYDEBUG if (yydebug) { if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN]; - printf("%sdebug: state %d, reading %d (%s)\n", - YYPREFIX, yystate, yychar, yys); + fprintf(stderr, "%s[%d]: state %d, reading token %d (%s)", + YYDEBUGSTR, yydepth, yystate, yychar, yys); +#ifdef YYSTYPE_TOSTRING +#if YYBTYACC + if (!yytrial) +#endif /* YYBTYACC */ + fprintf(stderr, " <%s>", YYSTYPE_TOSTRING(yychar, yylval)); +#endif + fputc('\n', stderr); } #endif } +#if YYBTYACC + + /* Do we have a conflict? */ + if (((yyn = yycindex[yystate]) != 0) && (yyn += yychar) >= 0 && + yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar) + { + YYINT ctry; + + if (yypath) + { + YYParseState *save; +#if YYDEBUG + if (yydebug) + fprintf(stderr, "%s[%d]: CONFLICT in state %d: following successful trial parse\n", + YYDEBUGSTR, yydepth, yystate); +#endif + /* Switch to the next conflict context */ + save = yypath; + yypath = save->save; + save->save = NULL; + ctry = save->ctry; + if (save->state != yystate) YYABORT; + yyFreeState(save); + + } + else + { + + /* Unresolved conflict - start/continue trial parse */ + YYParseState *save; +#if YYDEBUG + if (yydebug) + { + fprintf(stderr, "%s[%d]: CONFLICT in state %d. ", YYDEBUGSTR, yydepth, yystate); + if (yyps->save) + fputs("ALREADY in conflict, continuing trial parse.\n", stderr); + else + fputs("Starting trial parse.\n", stderr); + } +#endif + save = yyNewState((unsigned)(yystack.s_mark - yystack.s_base + 1)); + if (save == NULL) goto yyenomem; + save->save = yyps->save; + save->state = yystate; + save->errflag = yyerrflag; + save->yystack.s_mark = save->yystack.s_base + (yystack.s_mark - yystack.s_base); + memcpy (save->yystack.s_base, yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT)); + save->yystack.l_mark = save->yystack.l_base + (yystack.l_mark - yystack.l_base); + memcpy (save->yystack.l_base, yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE)); +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + save->yystack.p_mark = save->yystack.p_base + (yystack.p_mark - yystack.p_base); + memcpy (save->yystack.p_base, yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE)); +#endif + ctry = yytable[yyn]; + if (yyctable[ctry] == -1) + { +#if YYDEBUG + if (yydebug && yychar >= YYEOF) + fprintf(stderr, "%s[%d]: backtracking 1 token\n", YYDEBUGSTR, yydepth); +#endif + ctry++; + } + save->ctry = ctry; + if (yyps->save == NULL) + { + /* If this is a first conflict in the stack, start saving lexemes */ + if (!yylexemes) + { + yylexemes = (YYINT *) malloc((YYLVQUEUEGROWTH) * sizeof(YYINT)); + if (yylexemes == NULL) goto yyenomem; + yylvals = (YYSTYPE *) malloc((YYLVQUEUEGROWTH) * sizeof(YYSTYPE)); + if (yylvals == NULL) goto yyenomem; + yylvlim = yylvals + YYLVQUEUEGROWTH; +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + yylpsns = (YYLTYPE *) malloc((YYLVQUEUEGROWTH) * sizeof(YYLTYPE)); + if (yylpsns == NULL) goto yyenomem; + yylplim = yylpsns + YYLVQUEUEGROWTH; +#endif + } + if (yylvp == yylve) + { + yylvp = yylve = yylvals; +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + yylpp = yylpe = yylpsns; +#endif + yylexp = yylexemes; + if (yychar >= YYEOF) + { + *yylve++ = yylval; +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + *yylpe++ = yylloc; +#endif + *yylexp = (YYINT) yychar; + yychar = YYEMPTY; + } + } + } + if (yychar >= YYEOF) + { + yylvp--; +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + yylpp--; +#endif + yylexp--; + yychar = YYEMPTY; + } + save->lexeme = (int) (yylvp - yylvals); + yyps->save = save; + } + if (yytable[yyn] == ctry) + { +#if YYDEBUG + if (yydebug) + fprintf(stderr, "%s[%d]: state %d, shifting to state %d\n", + YYDEBUGSTR, yydepth, yystate, yyctable[ctry]); +#endif + if (yychar < 0) + { + yylvp++; +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + yylpp++; +#endif + yylexp++; + } + if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) + goto yyoverflow; + yystate = yyctable[ctry]; + *++yystack.s_mark = (YYINT) yystate; + *++yystack.l_mark = yylval; +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + *++yystack.p_mark = yylloc; +#endif + yychar = YYEMPTY; + if (yyerrflag > 0) --yyerrflag; + goto yyloop; + } + else + { + yyn = yyctable[ctry]; + goto yyreduce; + } + } /* End of code dealing with conflicts */ +#endif /* YYBTYACC */ if (((yyn = yysindex[yystate]) != 0) && (yyn += yychar) >= 0 && yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar) { #if YYDEBUG if (yydebug) - printf("%sdebug: state %d, shifting to state %d\n", - YYPREFIX, yystate, yytable[yyn]); + fprintf(stderr, "%s[%d]: state %d, shifting to state %d\n", + YYDEBUGSTR, yydepth, yystate, yytable[yyn]); #endif if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow; yystate = yytable[yyn]; *++yystack.s_mark = yytable[yyn]; *++yystack.l_mark = yylval; +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + *++yystack.p_mark = yylloc; +#endif yychar = YYEMPTY; if (yyerrflag > 0) --yyerrflag; goto yyloop; @@ -1179,11 +1620,122 @@ yyloop: goto yyreduce; } if (yyerrflag != 0) goto yyinrecovery; +#if YYBTYACC + + yynewerrflag = 1; + goto yyerrhandler; + goto yyerrlab; /* redundant goto avoids 'unused label' warning */ + +yyerrlab: + /* explicit YYERROR from an action -- pop the rhs of the rule reduced + * before looking for error recovery */ + yystack.s_mark -= yym; + yystate = *yystack.s_mark; + yystack.l_mark -= yym; +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + yystack.p_mark -= yym; +#endif + + yynewerrflag = 0; +yyerrhandler: + while (yyps->save) + { + int ctry; + YYParseState *save = yyps->save; +#if YYDEBUG + if (yydebug) + fprintf(stderr, "%s[%d]: ERROR in state %d, CONFLICT BACKTRACKING to state %d, %d tokens\n", + YYDEBUGSTR, yydepth, yystate, yyps->save->state, + (int)(yylvp - yylvals - yyps->save->lexeme)); +#endif + /* Memorize most forward-looking error state in case it's really an error. */ + if (yyerrctx == NULL || yyerrctx->lexeme < yylvp - yylvals) + { + /* Free old saved error context state */ + if (yyerrctx) yyFreeState(yyerrctx); + /* Create and fill out new saved error context state */ + yyerrctx = yyNewState((unsigned)(yystack.s_mark - yystack.s_base + 1)); + if (yyerrctx == NULL) goto yyenomem; + yyerrctx->save = yyps->save; + yyerrctx->state = yystate; + yyerrctx->errflag = yyerrflag; + yyerrctx->yystack.s_mark = yyerrctx->yystack.s_base + (yystack.s_mark - yystack.s_base); + memcpy (yyerrctx->yystack.s_base, yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT)); + yyerrctx->yystack.l_mark = yyerrctx->yystack.l_base + (yystack.l_mark - yystack.l_base); + memcpy (yyerrctx->yystack.l_base, yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE)); +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + yyerrctx->yystack.p_mark = yyerrctx->yystack.p_base + (yystack.p_mark - yystack.p_base); + memcpy (yyerrctx->yystack.p_base, yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE)); +#endif + yyerrctx->lexeme = (int) (yylvp - yylvals); + } + yylvp = yylvals + save->lexeme; +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + yylpp = yylpsns + save->lexeme; +#endif + yylexp = yylexemes + save->lexeme; + yychar = YYEMPTY; + yystack.s_mark = yystack.s_base + (save->yystack.s_mark - save->yystack.s_base); + memcpy (yystack.s_base, save->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT)); + yystack.l_mark = yystack.l_base + (save->yystack.l_mark - save->yystack.l_base); + memcpy (yystack.l_base, save->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE)); +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + yystack.p_mark = yystack.p_base + (save->yystack.p_mark - save->yystack.p_base); + memcpy (yystack.p_base, save->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE)); +#endif + ctry = ++save->ctry; + yystate = save->state; + /* We tried shift, try reduce now */ + if ((yyn = yyctable[ctry]) >= 0) goto yyreduce; + yyps->save = save->save; + save->save = NULL; + yyFreeState(save); + + /* Nothing left on the stack -- error */ + if (!yyps->save) + { +#if YYDEBUG + if (yydebug) + fprintf(stderr, "%sdebug[%d,trial]: trial parse FAILED, entering ERROR mode\n", + YYPREFIX, yydepth); +#endif + /* Restore state as it was in the most forward-advanced error */ + yylvp = yylvals + yyerrctx->lexeme; +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + yylpp = yylpsns + yyerrctx->lexeme; +#endif + yylexp = yylexemes + yyerrctx->lexeme; + yychar = yylexp[-1]; + yylval = yylvp[-1]; +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + yylloc = yylpp[-1]; +#endif + yystack.s_mark = yystack.s_base + (yyerrctx->yystack.s_mark - yyerrctx->yystack.s_base); + memcpy (yystack.s_base, yyerrctx->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT)); + yystack.l_mark = yystack.l_base + (yyerrctx->yystack.l_mark - yyerrctx->yystack.l_base); + memcpy (yystack.l_base, yyerrctx->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE)); +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + yystack.p_mark = yystack.p_base + (yyerrctx->yystack.p_mark - yyerrctx->yystack.p_base); + memcpy (yystack.p_base, yyerrctx->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE)); +#endif + yystate = yyerrctx->state; + yyFreeState(yyerrctx); + yyerrctx = NULL; + } + yynewerrflag = 1; + } + if (yynewerrflag == 0) goto yyinrecovery; +#endif /* YYBTYACC */ YYERROR_CALL("syntax error"); +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + yyerror_loc_range[1] = yylloc; /* lookahead position is error start position */ +#endif +#if !YYBTYACC goto yyerrlab; /* redundant goto avoids 'unused label' warning */ yyerrlab: +#endif ++yynerrs; yyinrecovery: @@ -1197,25 +1749,50 @@ yyinrecovery: { #if YYDEBUG if (yydebug) - printf("%sdebug: state %d, error recovery shifting\ - to state %d\n", YYPREFIX, *yystack.s_mark, yytable[yyn]); + fprintf(stderr, "%s[%d]: state %d, error recovery shifting to state %d\n", + YYDEBUGSTR, yydepth, *yystack.s_mark, yytable[yyn]); #endif if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow; yystate = yytable[yyn]; *++yystack.s_mark = yytable[yyn]; *++yystack.l_mark = yylval; +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + /* lookahead position is error end position */ + yyerror_loc_range[2] = yylloc; + YYLLOC_DEFAULT(yyloc, yyerror_loc_range, 2); /* position of error span */ + *++yystack.p_mark = yyloc; +#endif goto yyloop; } else { #if YYDEBUG if (yydebug) - printf("%sdebug: error recovery discarding state %d\n", - YYPREFIX, *yystack.s_mark); + fprintf(stderr, "%s[%d]: error recovery discarding state %d\n", + YYDEBUGSTR, yydepth, *yystack.s_mark); #endif if (yystack.s_mark <= yystack.s_base) goto yyabort; +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + /* the current TOS position is the error start position */ + yyerror_loc_range[1] = *yystack.p_mark; +#endif +#if defined(YYDESTRUCT_CALL) +#if YYBTYACC + if (!yytrial) +#endif /* YYBTYACC */ +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + YYDESTRUCT_CALL("error: discarding state", + yystos[*yystack.s_mark], yystack.l_mark, yystack.p_mark); +#else + YYDESTRUCT_CALL("error: discarding state", + yystos[*yystack.s_mark], yystack.l_mark); +#endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */ +#endif /* defined(YYDESTRUCT_CALL) */ --yystack.s_mark; --yystack.l_mark; +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + --yystack.p_mark; +#endif } } } @@ -1226,25 +1803,69 @@ yyinrecovery: if (yydebug) { if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN]; - printf("%sdebug: state %d, error recovery discards token %d (%s)\n", - YYPREFIX, yystate, yychar, yys); + fprintf(stderr, "%s[%d]: state %d, error recovery discarding token %d (%s)\n", + YYDEBUGSTR, yydepth, yystate, yychar, yys); } #endif +#if defined(YYDESTRUCT_CALL) +#if YYBTYACC + if (!yytrial) +#endif /* YYBTYACC */ +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + YYDESTRUCT_CALL("error: discarding token", yychar, &yylval, &yylloc); +#else + YYDESTRUCT_CALL("error: discarding token", yychar, &yylval); +#endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */ +#endif /* defined(YYDESTRUCT_CALL) */ yychar = YYEMPTY; goto yyloop; } yyreduce: + yym = yylen[yyn]; #if YYDEBUG if (yydebug) - printf("%sdebug: state %d, reducing by rule %d (%s)\n", - YYPREFIX, yystate, yyn, yyrule[yyn]); + { + fprintf(stderr, "%s[%d]: state %d, reducing by rule %d (%s)", + YYDEBUGSTR, yydepth, yystate, yyn, yyrule[yyn]); +#ifdef YYSTYPE_TOSTRING +#if YYBTYACC + if (!yytrial) +#endif /* YYBTYACC */ + if (yym > 0) + { + int i; + fputc('<', stderr); + for (i = yym; i > 0; i--) + { + if (i != yym) fputs(", ", stderr); + fputs(YYSTYPE_TOSTRING(yystos[yystack.s_mark[1-i]], + yystack.l_mark[1-i]), stderr); + } + fputc('>', stderr); + } +#endif + fputc('\n', stderr); + } #endif - yym = yylen[yyn]; if (yym > 0) yyval = yystack.l_mark[1-yym]; else memset(&yyval, 0, sizeof yyval); +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + + /* Perform position reduction */ + memset(&yyloc, 0, sizeof(yyloc)); +#if YYBTYACC + if (!yytrial) +#endif /* YYBTYACC */ + { + YYLLOC_DEFAULT(yyloc, &yystack.p_mark[-yym], yym); + /* just in case YYERROR is invoked within the action, save + the start of the rhs as the error start position */ + yyerror_loc_range[1] = yystack.p_mark[1-yym]; + } +#endif switch (yyn) { @@ -1259,6 +1880,7 @@ case 3: } #endif /* defined(lint) */ } +#line 1884 "y.tab.c" break; case 4: #line 166 "./parsdate.y" @@ -1266,12 +1888,14 @@ case 4: yyHaveTime++; yyTimezone = yystack.l_mark[0].Number; } +#line 1892 "y.tab.c" break; case 5: #line 170 "./parsdate.y" { yyHaveDate++; } +#line 1899 "y.tab.c" break; case 6: #line 173 "./parsdate.y" @@ -1279,6 +1903,7 @@ case 6: yyHaveDate++; yyHaveTime++; } +#line 1907 "y.tab.c" break; case 7: #line 177 "./parsdate.y" @@ -1287,12 +1912,14 @@ case 7: yyHaveTime++; yyTimezone = yystack.l_mark[0].Number; } +#line 1916 "y.tab.c" break; case 8: #line 182 "./parsdate.y" { yyHaveRel = 1; } +#line 1923 "y.tab.c" break; case 9: #line 187 "./parsdate.y" @@ -1308,6 +1935,7 @@ case 9: yySeconds = 0; yyMeridian = yystack.l_mark[0].Meridian; } +#line 1939 "y.tab.c" break; case 10: #line 199 "./parsdate.y" @@ -1317,6 +1945,7 @@ case 10: yySeconds = 0; yyMeridian = yystack.l_mark[0].Meridian; } +#line 1949 "y.tab.c" break; case 11: #line 205 "./parsdate.y" @@ -1327,6 +1956,7 @@ case 11: yyMeridian = MER24; yyDSTmode = DSToff; } +#line 1960 "y.tab.c" break; case 12: #line 212 "./parsdate.y" @@ -1336,6 +1966,7 @@ case 12: yySeconds = yystack.l_mark[-1].Number; yyMeridian = yystack.l_mark[0].Meridian; } +#line 1970 "y.tab.c" break; case 13: #line 218 "./parsdate.y" @@ -1347,6 +1978,7 @@ case 13: yyMeridian = MER24; yyDSTmode = DSToff; } +#line 1982 "y.tab.c" break; case 14: #line 228 "./parsdate.y" @@ -1354,6 +1986,7 @@ case 14: yyval.Number = yystack.l_mark[0].Number; yyDSTmode = DSToff; } +#line 1990 "y.tab.c" break; case 15: #line 232 "./parsdate.y" @@ -1361,6 +1994,7 @@ case 15: yyval.Number = yystack.l_mark[0].Number; yyDSTmode = DSTon; } +#line 1998 "y.tab.c" break; case 16: #line 236 "./parsdate.y" @@ -1368,6 +2002,7 @@ case 16: yyTimezone = yystack.l_mark[-1].Number; yyDSTmode = DSTon; } +#line 2006 "y.tab.c" break; case 17: #line 240 "./parsdate.y" @@ -1379,6 +2014,7 @@ case 17: yyval.Number = yystack.l_mark[0].Number; yyDSTmode = DSToff; } +#line 2018 "y.tab.c" break; case 18: #line 248 "./parsdate.y" @@ -1386,6 +2022,7 @@ case 18: yyval.Number = yystack.l_mark[0].Number; yyDSTmode = DSToff; } +#line 2026 "y.tab.c" break; case 19: #line 254 "./parsdate.y" @@ -1408,6 +2045,7 @@ case 19: yyval.Number = -((yystack.l_mark[0].Number / 100) * 60 + i); } } +#line 2049 "y.tab.c" break; case 20: #line 275 "./parsdate.y" @@ -1415,6 +2053,7 @@ case 20: yyMonth = yystack.l_mark[-2].Number; yyDay = yystack.l_mark[0].Number; } +#line 2057 "y.tab.c" break; case 21: #line 279 "./parsdate.y" @@ -1430,6 +2069,7 @@ case 21: yyYear = yystack.l_mark[0].Number; } } +#line 2073 "y.tab.c" break; case 22: #line 291 "./parsdate.y" @@ -1437,6 +2077,7 @@ case 22: yyMonth = yystack.l_mark[-1].Number; yyDay = yystack.l_mark[0].Number; } +#line 2081 "y.tab.c" break; case 23: #line 295 "./parsdate.y" @@ -1445,6 +2086,7 @@ case 23: yyDay = yystack.l_mark[-2].Number; yyYear = yystack.l_mark[0].Number; } +#line 2090 "y.tab.c" break; case 24: #line 300 "./parsdate.y" @@ -1452,6 +2094,7 @@ case 24: yyDay = yystack.l_mark[-1].Number; yyMonth = yystack.l_mark[0].Number; } +#line 2098 "y.tab.c" break; case 25: #line 304 "./parsdate.y" @@ -1460,6 +2103,7 @@ case 25: yyMonth = yystack.l_mark[-1].Number; yyYear = yystack.l_mark[0].Number; } +#line 2107 "y.tab.c" break; case 26: #line 309 "./parsdate.y" @@ -1468,6 +2112,7 @@ case 26: yyMonth = yystack.l_mark[-1].Number; yyYear = yystack.l_mark[0].Number; } +#line 2116 "y.tab.c" break; case 27: #line 314 "./parsdate.y" @@ -1476,6 +2121,7 @@ case 27: yyMonth = yystack.l_mark[-1].Number; yyYear = -yystack.l_mark[0].Number; } +#line 2125 "y.tab.c" break; case 28: #line 319 "./parsdate.y" @@ -1486,6 +2132,7 @@ case 28: yyDSTmode = DSToff; /* assume midnight if no time given */ yyTimezone = 0; /* Lynx assumes GMT for this format */ } +#line 2136 "y.tab.c" break; case 29: #line 328 "./parsdate.y" @@ -1497,69 +2144,144 @@ case 29: yyMinutes = yystack.l_mark[-3].Number; yySeconds = yystack.l_mark[-1].Number; } +#line 2148 "y.tab.c" break; case 30: #line 338 "./parsdate.y" { yyRelSeconds += yystack.l_mark[-1].Number * yystack.l_mark[0].Number; } +#line 2155 "y.tab.c" break; case 31: #line 341 "./parsdate.y" { yyRelSeconds += yystack.l_mark[-1].Number * yystack.l_mark[0].Number; } +#line 2162 "y.tab.c" break; case 32: #line 344 "./parsdate.y" { yyRelMonth += yystack.l_mark[-1].Number * yystack.l_mark[0].Number; } +#line 2169 "y.tab.c" break; case 33: #line 347 "./parsdate.y" { yyRelMonth += yystack.l_mark[-1].Number * yystack.l_mark[0].Number; } +#line 2176 "y.tab.c" break; case 34: #line 352 "./parsdate.y" { yyval.Meridian = MER24; } +#line 2183 "y.tab.c" break; case 35: #line 355 "./parsdate.y" { yyval.Meridian = yystack.l_mark[0].Meridian; } +#line 2190 "y.tab.c" break; -#line 1538 "y.tab.c" +#line 2192 "y.tab.c" + default: + break; } yystack.s_mark -= yym; yystate = *yystack.s_mark; yystack.l_mark -= yym; +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + yystack.p_mark -= yym; +#endif yym = yylhs[yyn]; if (yystate == 0 && yym == 0) { #if YYDEBUG if (yydebug) - printf("%sdebug: after reduction, shifting from state 0 to\ - state %d\n", YYPREFIX, YYFINAL); + { + fprintf(stderr, "%s[%d]: after reduction, ", YYDEBUGSTR, yydepth); +#ifdef YYSTYPE_TOSTRING +#if YYBTYACC + if (!yytrial) +#endif /* YYBTYACC */ + fprintf(stderr, "result is <%s>, ", YYSTYPE_TOSTRING(yystos[YYFINAL], yyval)); +#endif + fprintf(stderr, "shifting from state 0 to final state %d\n", YYFINAL); + } #endif yystate = YYFINAL; *++yystack.s_mark = YYFINAL; *++yystack.l_mark = yyval; +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + *++yystack.p_mark = yyloc; +#endif if (yychar < 0) { +#if YYBTYACC + do { + if (yylvp < yylve) + { + /* we're currently re-reading tokens */ + yylval = *yylvp++; +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + yylloc = *yylpp++; +#endif + yychar = *yylexp++; + break; + } + if (yyps->save) + { + /* in trial mode; save scanner results for future parse attempts */ + if (yylvp == yylvlim) + { /* Enlarge lexical value queue */ + size_t p = (size_t) (yylvp - yylvals); + size_t s = (size_t) (yylvlim - yylvals); + + s += YYLVQUEUEGROWTH; + if ((yylexemes = (YYINT *)realloc(yylexemes, s * sizeof(YYINT))) == NULL) + goto yyenomem; + if ((yylvals = (YYSTYPE *)realloc(yylvals, s * sizeof(YYSTYPE))) == NULL) + goto yyenomem; +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + if ((yylpsns = (YYLTYPE *)realloc(yylpsns, s * sizeof(YYLTYPE))) == NULL) + goto yyenomem; +#endif + yylvp = yylve = yylvals + p; + yylvlim = yylvals + s; +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + yylpp = yylpe = yylpsns + p; + yylplim = yylpsns + s; +#endif + yylexp = yylexemes + p; + } + *yylexp = (YYINT) YYLEX; + *yylvp++ = yylval; + yylve++; +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + *yylpp++ = yylloc; + yylpe++; +#endif + yychar = *yylexp++; + break; + } + /* normal operation, no conflict encountered */ +#endif /* YYBTYACC */ yychar = YYLEX; +#if YYBTYACC + } while (0); +#endif /* YYBTYACC */ if (yychar < 0) yychar = YYEOF; #if YYDEBUG if (yydebug) { if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN]; - printf("%sdebug: state %d, reading %d (%s)\n", - YYPREFIX, YYFINAL, yychar, yys); + fprintf(stderr, "%s[%d]: state %d, reading token %d (%s)\n", + YYDEBUGSTR, yydepth, YYFINAL, yychar, yys); } #endif } @@ -1573,22 +2295,131 @@ break; yystate = yydgoto[yym]; #if YYDEBUG if (yydebug) - printf("%sdebug: after reduction, shifting from state %d \ -to state %d\n", YYPREFIX, *yystack.s_mark, yystate); + { + fprintf(stderr, "%s[%d]: after reduction, ", YYDEBUGSTR, yydepth); +#ifdef YYSTYPE_TOSTRING +#if YYBTYACC + if (!yytrial) +#endif /* YYBTYACC */ + fprintf(stderr, "result is <%s>, ", YYSTYPE_TOSTRING(yystos[yystate], yyval)); +#endif + fprintf(stderr, "shifting from state %d to state %d\n", *yystack.s_mark, yystate); + } #endif if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow; *++yystack.s_mark = (YYINT) yystate; *++yystack.l_mark = yyval; +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + *++yystack.p_mark = yyloc; +#endif + goto yyloop; +#if YYBTYACC + + /* Reduction declares that this path is valid. Set yypath and do a full parse */ +yyvalid: + if (yypath) YYABORT; + while (yyps->save) + { + YYParseState *save = yyps->save; + yyps->save = save->save; + save->save = yypath; + yypath = save; + } +#if YYDEBUG + if (yydebug) + fprintf(stderr, "%s[%d]: state %d, CONFLICT trial successful, backtracking to state %d, %d tokens\n", + YYDEBUGSTR, yydepth, yystate, yypath->state, (int)(yylvp - yylvals - yypath->lexeme)); +#endif + if (yyerrctx) + { + yyFreeState(yyerrctx); + yyerrctx = NULL; + } + yylvp = yylvals + yypath->lexeme; +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + yylpp = yylpsns + yypath->lexeme; +#endif + yylexp = yylexemes + yypath->lexeme; + yychar = YYEMPTY; + yystack.s_mark = yystack.s_base + (yypath->yystack.s_mark - yypath->yystack.s_base); + memcpy (yystack.s_base, yypath->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT)); + yystack.l_mark = yystack.l_base + (yypath->yystack.l_mark - yypath->yystack.l_base); + memcpy (yystack.l_base, yypath->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE)); +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + yystack.p_mark = yystack.p_base + (yypath->yystack.p_mark - yypath->yystack.p_base); + memcpy (yystack.p_base, yypath->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE)); +#endif + yystate = yypath->state; goto yyloop; +#endif /* YYBTYACC */ yyoverflow: YYERROR_CALL("yacc stack overflow"); +#if YYBTYACC + goto yyabort_nomem; +yyenomem: + YYERROR_CALL("memory exhausted"); +yyabort_nomem: +#endif /* YYBTYACC */ + yyresult = 2; + goto yyreturn; yyabort: - yyfreestack(&yystack); - return (1); + yyresult = 1; + goto yyreturn; yyaccept: +#if YYBTYACC + if (yyps->save) goto yyvalid; +#endif /* YYBTYACC */ + yyresult = 0; + +yyreturn: +#if defined(YYDESTRUCT_CALL) + if (yychar != YYEOF && yychar != YYEMPTY) +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + YYDESTRUCT_CALL("cleanup: discarding token", yychar, &yylval, &yylloc); +#else + YYDESTRUCT_CALL("cleanup: discarding token", yychar, &yylval); +#endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */ + + { + YYSTYPE *pv; +#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) + YYLTYPE *pp; + + for (pv = yystack.l_base, pp = yystack.p_base; pv <= yystack.l_mark; ++pv, ++pp) + YYDESTRUCT_CALL("cleanup: discarding state", + yystos[*(yystack.s_base + (pv - yystack.l_base))], pv, pp); +#else + for (pv = yystack.l_base; pv <= yystack.l_mark; ++pv) + YYDESTRUCT_CALL("cleanup: discarding state", + yystos[*(yystack.s_base + (pv - yystack.l_base))], pv); +#endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */ + } +#endif /* defined(YYDESTRUCT_CALL) */ + +#if YYBTYACC + if (yyerrctx) + { + yyFreeState(yyerrctx); + yyerrctx = NULL; + } + while (yyps) + { + YYParseState *save = yyps; + yyps = save->save; + save->save = NULL; + yyFreeState(save); + } + while (yypath) + { + YYParseState *save = yypath; + yypath = save->save; + save->save = NULL; + yyFreeState(save); + } +#endif /* YYBTYACC */ yyfreestack(&yystack); - return (0); + return (yyresult); } |