X-Git-Url: https://code.citadel.org/?a=blobdiff_plain;f=citadel%2Fparsedate.c;h=67342a5d1f43c03319255e1603bb9f882ea0a05d;hb=57b37d4ed168b176d594bc149e5d16a1b9f0517a;hp=f813214de39051f768c0a594dcf4188e8122b195;hpb=a50ec155c24fc442880f8c3d274e8af03d122938;p=citadel.git diff --git a/citadel/parsedate.c b/citadel/parsedate.c index f813214de..67342a5d1 100644 --- a/citadel/parsedate.c +++ b/citadel/parsedate.c @@ -1,14 +1,73 @@ -#ifndef lint -static char yysccsid[] = "@(#)yaccpar 1.9 (Berkeley) 02/21/93"; -#endif -#define YYBYACC 1 -#define YYMAJOR 1 -#define YYMINOR 9 -#define yyclearin (yychar=(-1)) -#define yyerrok (yyerrflag=0) -#define YYRECOVERING (yyerrflag!=0) -#define YYPREFIX "yy" -#line 2 "parsedate.y" +/* A Bison parser, made by GNU Bison 2.5. */ + +/* Bison implementation for Yacc-like parsers in C + + Copyright (C) 1984, 1989-1990, 2000-2011 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +/* As a special exception, you may create a larger work that contains + part or all of the Bison parser skeleton and distribute that work + under terms of your choice, so long as that work isn't itself a + parser generator using the skeleton or a modified version thereof + as a parser skeleton. Alternatively, if you modify or redistribute + the parser skeleton itself, you may (at your option) remove this + special exception, which will cause the skeleton and the resulting + Bison output files to be licensed under the GNU General Public + License without this special exception. + + This special exception was added by the Free Software Foundation in + version 2.2 of Bison. */ + +/* C LALR(1) parser skeleton written by Richard Stallman, by + simplifying the original so-called "semantic" parser. */ + +/* All symbols defined below should begin with yy or YY, to avoid + infringing on user name space. This should be done even for local + variables, as they might otherwise be expanded by user macros. + There are some unavoidable exceptions within include files to + define necessary library symbols; they are noted "INFRINGES ON + USER NAME SPACE" below. */ + +/* Identify Bison output. */ +#define YYBISON 1 + +/* Bison version. */ +#define YYBISON_VERSION "2.5" + +/* Skeleton name. */ +#define YYSKELETON_NAME "yacc.c" + +/* Pure parsers. */ +#define YYPURE 0 + +/* Push parsers. */ +#define YYPUSH 0 + +/* Pull parsers. */ +#define YYPULL 1 + +/* Using locations. */ +#define YYLSP_NEEDED 0 + + + +/* Copy the first part of user declarations. */ + +/* Line 268 of yacc.c */ +#line 1 "parsedate.y" + /* $Revision$ ** ** Originally written by Steven M. Bellovin while @@ -17,7 +76,8 @@ static char yysccsid[] = "@(#)yaccpar 1.9 (Berkeley) 02/21/93"; ** and Jim Berets in August, 1990. ** Further revised (removed obsolete constructs and cleaned up timezone ** names) in August, 1991, by Rich. Paul Eggert -** helped in September, 1992. +** helped in September, 1992. Art Cancro cleaned +** it up for ANSI C in December, 1999. ** ** This grammar has six shift/reduce conflicts. ** @@ -27,12 +87,38 @@ static char yysccsid[] = "@(#)yaccpar 1.9 (Berkeley) 02/21/93"; /* SUPPRESS 593 on yyerrlab *//* Label was not used */ /* SUPPRESS 593 on yynewstate *//* Label was not used */ /* SUPPRESS 595 on yypvt *//* Automatic variable may be used before set */ + +#include "sysdep.h" + #include +#include #include #include -#include -int date_lex(); +#if TIME_WITH_SYS_TIME +# include +# include +#else +# if HAVE_SYS_TIME_H +# include +# else +# include +# endif +#endif + +#if HAVE_STRING_H +# if !STDC_HEADERS && HAVE_MEMORY_H +# include +# endif +# include +#endif +#if HAVE_STRINGS_H +# include +#endif + +#include "parsedate.h" + +int date_lex(void); #define yyparse date_parse #define yylex date_lex @@ -48,253 +134,1944 @@ int date_lex(); /* Readability for TABLE stuff. */ #define HOUR(x) (x * 60) -#define LPAREN '(' -#define RPAREN ')' -#define IS7BIT(x) ((unsigned int)(x) < 0200) +#define LPAREN '(' +#define RPAREN ')' +#define IS7BIT(x) ((unsigned int)(x) < 0200) + +#define SIZEOF(array) ((int)(sizeof array / sizeof array[0])) +#define ENDOF(array) (&array[SIZEOF(array)]) + + +/* +** An entry in the lexical lookup table. +*/ +typedef struct _TABLE { + char *name; + int type; + time_t value; +} TABLE; + +/* +** Daylight-savings mode: on, off, or not yet known. +*/ +typedef enum _DSTMODE { + DSTon, DSToff, DSTmaybe +} DSTMODE; + +/* +** Meridian: am, pm, or 24-hour style. +*/ +typedef enum _MERIDIAN { + MERam, MERpm, MER24 +} MERIDIAN; + + +/* +** Global variables. We could get rid of most of them by using a yacc +** union, but this is more efficient. (This routine predates the +** yacc %union construct.) +*/ +static const char *yyInput; +static DSTMODE yyDSTmode; +static int yyHaveDate; +static int yyHaveRel; +static int yyHaveTime; +static time_t yyTimezone; +static time_t yyDay; +static time_t yyHour; +static time_t yyMinutes; +static time_t yyMonth; +static time_t yySeconds; +static time_t yyYear; +static MERIDIAN yyMeridian; +static time_t yyRelMonth; +static time_t yyRelSeconds; + + +static void date_error(char *); + + +/* Line 268 of yacc.c */ +#line 196 "y.tab.c" + +/* Enabling traces. */ +#ifndef YYDEBUG +# define YYDEBUG 0 +#endif + +/* Enabling verbose error messages. */ +#ifdef YYERROR_VERBOSE +# undef YYERROR_VERBOSE +# define YYERROR_VERBOSE 1 +#else +# define YYERROR_VERBOSE 0 +#endif + +/* Enabling the token table. */ +#ifndef YYTOKEN_TABLE +# define YYTOKEN_TABLE 0 +#endif + + +/* Tokens. */ +#ifndef YYTOKENTYPE +# define YYTOKENTYPE + /* Put the tokens into the symbol table, so that GDB and other debuggers + know about them. */ + enum yytokentype { + tDAY = 258, + tDAYZONE = 259, + tMERIDIAN = 260, + tMONTH = 261, + tMONTH_UNIT = 262, + tSEC_UNIT = 263, + tSNUMBER = 264, + tUNUMBER = 265, + tZONE = 266 + }; +#endif +/* Tokens. */ +#define tDAY 258 +#define tDAYZONE 259 +#define tMERIDIAN 260 +#define tMONTH 261 +#define tMONTH_UNIT 262 +#define tSEC_UNIT 263 +#define tSNUMBER 264 +#define tUNUMBER 265 +#define tZONE 266 + + + + +#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED +typedef union YYSTYPE +{ + +/* Line 293 of yacc.c */ +#line 125 "parsedate.y" + + time_t Number; + enum _MERIDIAN Meridian; + + + +/* Line 293 of yacc.c */ +#line 261 "y.tab.c" +} YYSTYPE; +# define YYSTYPE_IS_TRIVIAL 1 +# define yystype YYSTYPE /* obsolescent; will be withdrawn */ +# define YYSTYPE_IS_DECLARED 1 +#endif + + +/* Copy the second part of user declarations. */ + + +/* Line 343 of yacc.c */ +#line 273 "y.tab.c" + +#ifdef short +# undef short +#endif + +#ifdef YYTYPE_UINT8 +typedef YYTYPE_UINT8 yytype_uint8; +#else +typedef unsigned char yytype_uint8; +#endif + +#ifdef YYTYPE_INT8 +typedef YYTYPE_INT8 yytype_int8; +#elif (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +typedef signed char yytype_int8; +#else +typedef short int yytype_int8; +#endif + +#ifdef YYTYPE_UINT16 +typedef YYTYPE_UINT16 yytype_uint16; +#else +typedef unsigned short int yytype_uint16; +#endif + +#ifdef YYTYPE_INT16 +typedef YYTYPE_INT16 yytype_int16; +#else +typedef short int yytype_int16; +#endif + +#ifndef YYSIZE_T +# ifdef __SIZE_TYPE__ +# define YYSIZE_T __SIZE_TYPE__ +# elif defined size_t +# define YYSIZE_T size_t +# elif ! defined YYSIZE_T && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +# include /* INFRINGES ON USER NAME SPACE */ +# define YYSIZE_T size_t +# else +# define YYSIZE_T unsigned int +# endif +#endif + +#define YYSIZE_MAXIMUM ((YYSIZE_T) -1) + +#ifndef YY_ +# if defined YYENABLE_NLS && YYENABLE_NLS +# if ENABLE_NLS +# include /* INFRINGES ON USER NAME SPACE */ +# define YY_(msgid) dgettext ("bison-runtime", msgid) +# endif +# endif +# ifndef YY_ +# define YY_(msgid) msgid +# endif +#endif + +/* Suppress unused-variable warnings by "using" E. */ +#if ! defined lint || defined __GNUC__ +# define YYUSE(e) ((void) (e)) +#else +# define YYUSE(e) /* empty */ +#endif + +/* Identity function, used to suppress warnings about constant conditions. */ +#ifndef lint +# define YYID(n) (n) +#else +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static int +YYID (int yyi) +#else +static int +YYID (yyi) + int yyi; +#endif +{ + return yyi; +} +#endif + +#if ! defined yyoverflow || YYERROR_VERBOSE + +/* The parser invokes alloca or malloc; define the necessary symbols. */ + +# ifdef YYSTACK_USE_ALLOCA +# if YYSTACK_USE_ALLOCA +# ifdef __GNUC__ +# define YYSTACK_ALLOC __builtin_alloca +# elif defined __BUILTIN_VA_ARG_INCR +# include /* INFRINGES ON USER NAME SPACE */ +# elif defined _AIX +# define YYSTACK_ALLOC __alloca +# elif defined _MSC_VER +# include /* INFRINGES ON USER NAME SPACE */ +# define alloca _alloca +# else +# define YYSTACK_ALLOC alloca +# if ! defined _ALLOCA_H && ! defined EXIT_SUCCESS && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +# include /* INFRINGES ON USER NAME SPACE */ +# ifndef EXIT_SUCCESS +# define EXIT_SUCCESS 0 +# endif +# endif +# endif +# endif +# endif + +# ifdef YYSTACK_ALLOC + /* Pacify GCC's `empty if-body' warning. */ +# define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0)) +# ifndef YYSTACK_ALLOC_MAXIMUM + /* The OS might guarantee only one guard page at the bottom of the stack, + and a page size can be as small as 4096 bytes. So we cannot safely + invoke alloca (N) if N exceeds 4096. Use a slightly smaller number + to allow for a few compiler-allocated temporary stack slots. */ +# define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */ +# endif +# else +# define YYSTACK_ALLOC YYMALLOC +# define YYSTACK_FREE YYFREE +# ifndef YYSTACK_ALLOC_MAXIMUM +# define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM +# endif +# if (defined __cplusplus && ! defined EXIT_SUCCESS \ + && ! ((defined YYMALLOC || defined malloc) \ + && (defined YYFREE || defined free))) +# include /* INFRINGES ON USER NAME SPACE */ +# ifndef EXIT_SUCCESS +# define EXIT_SUCCESS 0 +# endif +# endif +# ifndef YYMALLOC +# define YYMALLOC malloc +# if ! defined malloc && ! defined EXIT_SUCCESS && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */ +# endif +# endif +# ifndef YYFREE +# define YYFREE free +# if ! defined free && ! defined EXIT_SUCCESS && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +void free (void *); /* INFRINGES ON USER NAME SPACE */ +# endif +# endif +# endif +#endif /* ! defined yyoverflow || YYERROR_VERBOSE */ + + +#if (! defined yyoverflow \ + && (! defined __cplusplus \ + || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL))) + +/* A type that is properly aligned for any stack member. */ +union yyalloc +{ + yytype_int16 yyss_alloc; + YYSTYPE yyvs_alloc; +}; + +/* The size of the maximum gap between one aligned stack and the next. */ +# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1) + +/* The size of an array large to enough to hold all stacks, each with + N elements. */ +# define YYSTACK_BYTES(N) \ + ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \ + + YYSTACK_GAP_MAXIMUM) + +# define YYCOPY_NEEDED 1 + +/* Relocate STACK from its old location to the new one. The + local variables YYSIZE and YYSTACKSIZE give the old and new number of + elements in the stack, and YYPTR gives the new location of the + stack. Advance YYPTR to a properly aligned location for the next + stack. */ +# define YYSTACK_RELOCATE(Stack_alloc, Stack) \ + do \ + { \ + YYSIZE_T yynewbytes; \ + YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \ + Stack = &yyptr->Stack_alloc; \ + yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \ + yyptr += yynewbytes / sizeof (*yyptr); \ + } \ + while (YYID (0)) + +#endif + +#if defined YYCOPY_NEEDED && YYCOPY_NEEDED +/* Copy COUNT objects from FROM to TO. The source and destination do + not overlap. */ +# ifndef YYCOPY +# if defined __GNUC__ && 1 < __GNUC__ +# define YYCOPY(To, From, Count) \ + __builtin_memcpy (To, From, (Count) * sizeof (*(From))) +# else +# define YYCOPY(To, From, Count) \ + do \ + { \ + YYSIZE_T yyi; \ + for (yyi = 0; yyi < (Count); yyi++) \ + (To)[yyi] = (From)[yyi]; \ + } \ + while (YYID (0)) +# endif +# endif +#endif /* !YYCOPY_NEEDED */ + +/* YYFINAL -- State number of the termination state. */ +#define YYFINAL 2 +/* YYLAST -- Last index in YYTABLE. */ +#define YYLAST 40 + +/* YYNTOKENS -- Number of terminals. */ +#define YYNTOKENS 15 +/* YYNNTS -- Number of nonterminals. */ +#define YYNNTS 9 +/* YYNRULES -- Number of rules. */ +#define YYNRULES 30 +/* YYNRULES -- Number of states. */ +#define YYNSTATES 44 + +/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */ +#define YYUNDEFTOK 2 +#define YYMAXUTOK 266 + +#define YYTRANSLATE(YYX) \ + ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) + +/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */ +static const yytype_uint8 yytranslate[] = +{ + 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 14, 2, 2, 13, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 12, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 1, 2, 3, 4, + 5, 6, 7, 8, 9, 10, 11 +}; + +#if YYDEBUG +/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in + YYRHS. */ +static const yytype_uint8 yyprhs[] = +{ + 0, 0, 3, 4, 7, 9, 12, 14, 16, 19, + 24, 29, 36, 43, 45, 47, 50, 52, 54, 58, + 64, 67, 72, 75, 79, 85, 88, 91, 94, 97, + 98 +}; + +/* YYRHS -- A `-1'-separated list of the rules' RHS. */ +static const yytype_int8 yyrhs[] = +{ + 16, 0, -1, -1, 16, 17, -1, 18, -1, 18, + 19, -1, 21, -1, 22, -1, 10, 23, -1, 10, + 12, 10, 23, -1, 10, 12, 10, 20, -1, 10, + 12, 10, 12, 10, 23, -1, 10, 12, 10, 12, + 10, 20, -1, 11, -1, 4, -1, 11, 20, -1, + 20, -1, 9, -1, 10, 13, 10, -1, 10, 13, + 10, 13, 10, -1, 6, 10, -1, 6, 10, 14, + 10, -1, 10, 6, -1, 10, 6, 10, -1, 3, + 14, 10, 6, 10, -1, 9, 8, -1, 10, 8, + -1, 9, 7, -1, 10, 7, -1, -1, 5, -1 +}; + +/* YYRLINE[YYN] -- source line where rule number YYN was defined. */ +static const yytype_uint16 yyrline[] = +{ + 0, 139, 139, 140, 143, 152, 156, 159, 164, 176, + 182, 189, 195, 205, 209, 213, 221, 227, 248, 252, + 264, 268, 273, 277, 282, 289, 292, 295, 298, 303, + 306 +}; +#endif + +#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE +/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. + First, the terminals, then, starting at YYNTOKENS, nonterminals. */ +static const char *const yytname[] = +{ + "$end", "error", "$undefined", "tDAY", "tDAYZONE", "tMERIDIAN", + "tMONTH", "tMONTH_UNIT", "tSEC_UNIT", "tSNUMBER", "tUNUMBER", "tZONE", + "':'", "'/'", "','", "$accept", "spec", "item", "time", "zone", + "numzone", "date", "rel", "o_merid", 0 +}; +#endif + +# ifdef YYPRINT +/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to + token YYLEX-NUM. */ +static const yytype_uint16 yytoknum[] = +{ + 0, 256, 257, 258, 259, 260, 261, 262, 263, 264, + 265, 266, 58, 47, 44 +}; +# endif + +/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ +static const yytype_uint8 yyr1[] = +{ + 0, 15, 16, 16, 17, 17, 17, 17, 18, 18, + 18, 18, 18, 19, 19, 19, 19, 20, 21, 21, + 21, 21, 21, 21, 21, 22, 22, 22, 22, 23, + 23 +}; + +/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ +static const yytype_uint8 yyr2[] = +{ + 0, 2, 0, 2, 1, 2, 1, 1, 2, 4, + 4, 6, 6, 1, 1, 2, 1, 1, 3, 5, + 2, 4, 2, 3, 5, 2, 2, 2, 2, 0, + 1 +}; + +/* YYDEFACT[STATE-NAME] -- Default reduction number in state STATE-NUM. + Performed when YYTABLE doesn't specify something else to do. Zero + means the default is an error. */ +static const yytype_uint8 yydefact[] = +{ + 2, 0, 1, 0, 0, 0, 29, 3, 4, 6, + 7, 0, 20, 27, 25, 30, 22, 28, 26, 0, + 0, 8, 14, 17, 13, 5, 16, 0, 0, 23, + 29, 18, 15, 0, 21, 0, 10, 9, 0, 24, + 29, 19, 12, 11 +}; + +/* YYDEFGOTO[NTERM-NUM]. */ +static const yytype_int8 yydefgoto[] = +{ + -1, 1, 7, 8, 25, 26, 9, 10, 21 +}; + +/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing + STATE-NUM. */ +#define YYPACT_NINF -29 +static const yytype_int8 yypact[] = +{ + -29, 1, -29, -11, 11, 20, 12, -29, 4, -29, + -29, 13, 16, -29, -29, -29, 21, -29, -29, 22, + 23, -29, -29, -29, 5, -29, -29, 28, 25, -29, + 17, 24, -29, 26, -29, 29, -29, -29, 30, -29, + 0, -29, -29, -29 +}; + +/* YYPGOTO[NTERM-NUM]. */ +static const yytype_int8 yypgoto[] = +{ + -29, -29, -29, -29, -29, -24, -29, -29, -28 +}; + +/* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If + positive, shift that token. If negative, reduce the rule which + number is the opposite. If YYTABLE_NINF, syntax error. */ +#define YYTABLE_NINF -1 +static const yytype_uint8 yytable[] = +{ + 32, 2, 37, 11, 3, 15, 36, 4, 22, 23, + 5, 6, 43, 23, 23, 24, 42, 15, 16, 17, + 18, 12, 15, 27, 19, 20, 23, 13, 14, 35, + 28, 29, 30, 31, 33, 34, 39, 38, 0, 40, + 41 +}; + +#define yypact_value_is_default(yystate) \ + ((yystate) == (-29)) + +#define yytable_value_is_error(yytable_value) \ + YYID (0) + +static const yytype_int8 yycheck[] = +{ + 24, 0, 30, 14, 3, 5, 30, 6, 4, 9, + 9, 10, 40, 9, 9, 11, 40, 5, 6, 7, + 8, 10, 5, 10, 12, 13, 9, 7, 8, 12, + 14, 10, 10, 10, 6, 10, 10, 13, -1, 10, + 10 +}; + +/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing + symbol of state STATE-NUM. */ +static const yytype_uint8 yystos[] = +{ + 0, 16, 0, 3, 6, 9, 10, 17, 18, 21, + 22, 14, 10, 7, 8, 5, 6, 7, 8, 12, + 13, 23, 4, 9, 11, 19, 20, 10, 14, 10, + 10, 10, 20, 6, 10, 12, 20, 23, 13, 10, + 10, 10, 20, 23 +}; + +#define yyerrok (yyerrstatus = 0) +#define yyclearin (yychar = YYEMPTY) +#define YYEMPTY (-2) +#define YYEOF 0 + +#define YYACCEPT goto yyacceptlab +#define YYABORT goto yyabortlab +#define YYERROR goto yyerrorlab + + +/* Like YYERROR except do call yyerror. This remains here temporarily + to ease the transition to the new meaning of YYERROR, for GCC. + Once GCC version 2 has supplanted version 1, this can go. However, + YYFAIL appears to be in use. Nevertheless, it is formally deprecated + in Bison 2.4.2's NEWS entry, where a plan to phase it out is + discussed. */ + +#define YYFAIL goto yyerrlab +#if defined YYFAIL + /* This is here to suppress warnings from the GCC cpp's + -Wunused-macros. Normally we don't worry about that warning, but + some users do, and we want to make it easy for users to remove + YYFAIL uses, which will produce warnings from Bison 2.5. */ +#endif + +#define YYRECOVERING() (!!yyerrstatus) + +#define YYBACKUP(Token, Value) \ +do \ + if (yychar == YYEMPTY && yylen == 1) \ + { \ + yychar = (Token); \ + yylval = (Value); \ + YYPOPSTACK (1); \ + goto yybackup; \ + } \ + else \ + { \ + yyerror (YY_("syntax error: cannot back up")); \ + YYERROR; \ + } \ +while (YYID (0)) + + +#define YYTERROR 1 +#define YYERRCODE 256 + + +/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N]. + If N is 0, then set CURRENT to the empty location which ends + the previous symbol: RHS[0] (always defined). */ + +#define YYRHSLOC(Rhs, K) ((Rhs)[K]) +#ifndef YYLLOC_DEFAULT +# define YYLLOC_DEFAULT(Current, Rhs, N) \ + do \ + if (YYID (N)) \ + { \ + (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \ + (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \ + (Current).last_line = YYRHSLOC (Rhs, N).last_line; \ + (Current).last_column = YYRHSLOC (Rhs, N).last_column; \ + } \ + else \ + { \ + (Current).first_line = (Current).last_line = \ + YYRHSLOC (Rhs, 0).last_line; \ + (Current).first_column = (Current).last_column = \ + YYRHSLOC (Rhs, 0).last_column; \ + } \ + while (YYID (0)) +#endif + + +/* This macro is provided for backward compatibility. */ + +#ifndef YY_LOCATION_PRINT +# define YY_LOCATION_PRINT(File, Loc) ((void) 0) +#endif + + +/* YYLEX -- calling `yylex' with the right arguments. */ + +#ifdef YYLEX_PARAM +# define YYLEX yylex (YYLEX_PARAM) +#else +# define YYLEX yylex () +#endif + +/* Enable debugging if requested. */ +#if YYDEBUG + +# ifndef YYFPRINTF +# include /* INFRINGES ON USER NAME SPACE */ +# define YYFPRINTF fprintf +# endif + +# define YYDPRINTF(Args) \ +do { \ + if (yydebug) \ + YYFPRINTF Args; \ +} while (YYID (0)) + +# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \ +do { \ + if (yydebug) \ + { \ + YYFPRINTF (stderr, "%s ", Title); \ + yy_symbol_print (stderr, \ + Type, Value); \ + YYFPRINTF (stderr, "\n"); \ + } \ +} while (YYID (0)) + + +/*--------------------------------. +| Print this symbol on YYOUTPUT. | +`--------------------------------*/ + +/*ARGSUSED*/ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep) +#else +static void +yy_symbol_value_print (yyoutput, yytype, yyvaluep) + FILE *yyoutput; + int yytype; + YYSTYPE const * const yyvaluep; +#endif +{ + if (!yyvaluep) + return; +# ifdef YYPRINT + if (yytype < YYNTOKENS) + YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep); +# else + YYUSE (yyoutput); +# endif + switch (yytype) + { + default: + break; + } +} + + +/*--------------------------------. +| Print this symbol on YYOUTPUT. | +`--------------------------------*/ + +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep) +#else +static void +yy_symbol_print (yyoutput, yytype, yyvaluep) + FILE *yyoutput; + int yytype; + YYSTYPE const * const yyvaluep; +#endif +{ + if (yytype < YYNTOKENS) + YYFPRINTF (yyoutput, "token %s (", yytname[yytype]); + else + YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]); + + yy_symbol_value_print (yyoutput, yytype, yyvaluep); + YYFPRINTF (yyoutput, ")"); +} + +/*------------------------------------------------------------------. +| yy_stack_print -- Print the state stack from its BOTTOM up to its | +| TOP (included). | +`------------------------------------------------------------------*/ + +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_stack_print (yytype_int16 *yybottom, yytype_int16 *yytop) +#else +static void +yy_stack_print (yybottom, yytop) + yytype_int16 *yybottom; + yytype_int16 *yytop; +#endif +{ + YYFPRINTF (stderr, "Stack now"); + for (; yybottom <= yytop; yybottom++) + { + int yybot = *yybottom; + YYFPRINTF (stderr, " %d", yybot); + } + YYFPRINTF (stderr, "\n"); +} + +# define YY_STACK_PRINT(Bottom, Top) \ +do { \ + if (yydebug) \ + yy_stack_print ((Bottom), (Top)); \ +} while (YYID (0)) + + +/*------------------------------------------------. +| Report that the YYRULE is going to be reduced. | +`------------------------------------------------*/ + +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_reduce_print (YYSTYPE *yyvsp, int yyrule) +#else +static void +yy_reduce_print (yyvsp, yyrule) + YYSTYPE *yyvsp; + int yyrule; +#endif +{ + int yynrhs = yyr2[yyrule]; + int yyi; + unsigned long int yylno = yyrline[yyrule]; + YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n", + yyrule - 1, yylno); + /* The symbols being reduced. */ + for (yyi = 0; yyi < yynrhs; yyi++) + { + YYFPRINTF (stderr, " $%d = ", yyi + 1); + yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi], + &(yyvsp[(yyi + 1) - (yynrhs)]) + ); + YYFPRINTF (stderr, "\n"); + } +} + +# define YY_REDUCE_PRINT(Rule) \ +do { \ + if (yydebug) \ + yy_reduce_print (yyvsp, Rule); \ +} while (YYID (0)) + +/* Nonzero means print parse trace. It is left uninitialized so that + multiple parsers can coexist. */ +int yydebug; +#else /* !YYDEBUG */ +# define YYDPRINTF(Args) +# define YY_SYMBOL_PRINT(Title, Type, Value, Location) +# define YY_STACK_PRINT(Bottom, Top) +# define YY_REDUCE_PRINT(Rule) +#endif /* !YYDEBUG */ + + +/* YYINITDEPTH -- initial size of the parser's stacks. */ +#ifndef YYINITDEPTH +# define YYINITDEPTH 200 +#endif + +/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only + if the built-in stack extension method is used). + + Do not make this value too large; the results are undefined if + YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH) + evaluated with infinite-precision integer arithmetic. */ + +#ifndef YYMAXDEPTH +# define YYMAXDEPTH 10000 +#endif + + +#if YYERROR_VERBOSE + +# ifndef yystrlen +# if defined __GLIBC__ && defined _STRING_H +# define yystrlen strlen +# else +/* Return the length of YYSTR. */ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static YYSIZE_T +yystrlen (const char *yystr) +#else +static YYSIZE_T +yystrlen (yystr) + const char *yystr; +#endif +{ + YYSIZE_T yylen; + for (yylen = 0; yystr[yylen]; yylen++) + continue; + return yylen; +} +# endif +# endif + +# ifndef yystpcpy +# if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE +# define yystpcpy stpcpy +# else +/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in + YYDEST. */ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static char * +yystpcpy (char *yydest, const char *yysrc) +#else +static char * +yystpcpy (yydest, yysrc) + char *yydest; + const char *yysrc; +#endif +{ + char *yyd = yydest; + const char *yys = yysrc; + + while ((*yyd++ = *yys++) != '\0') + continue; + + return yyd - 1; +} +# endif +# endif + +# ifndef yytnamerr +/* Copy to YYRES the contents of YYSTR after stripping away unnecessary + quotes and backslashes, so that it's suitable for yyerror. The + heuristic is that double-quoting is unnecessary unless the string + contains an apostrophe, a comma, or backslash (other than + backslash-backslash). YYSTR is taken from yytname. If YYRES is + null, do not copy; instead, return the length of what the result + would have been. */ +static YYSIZE_T +yytnamerr (char *yyres, const char *yystr) +{ + if (*yystr == '"') + { + YYSIZE_T yyn = 0; + char const *yyp = yystr; + + for (;;) + switch (*++yyp) + { + case '\'': + case ',': + goto do_not_strip_quotes; + + case '\\': + if (*++yyp != '\\') + goto do_not_strip_quotes; + /* Fall through. */ + default: + if (yyres) + yyres[yyn] = *yyp; + yyn++; + break; + + case '"': + if (yyres) + yyres[yyn] = '\0'; + return yyn; + } + do_not_strip_quotes: ; + } + + if (! yyres) + return yystrlen (yystr); + + return yystpcpy (yyres, yystr) - yyres; +} +# endif + +/* Copy into *YYMSG, which is of size *YYMSG_ALLOC, an error message + about the unexpected token YYTOKEN for the state stack whose top is + YYSSP. + + Return 0 if *YYMSG was successfully written. Return 1 if *YYMSG is + not large enough to hold the message. In that case, also set + *YYMSG_ALLOC to the required number of bytes. Return 2 if the + required number of bytes is too large to store. */ +static int +yysyntax_error (YYSIZE_T *yymsg_alloc, char **yymsg, + yytype_int16 *yyssp, int yytoken) +{ + YYSIZE_T yysize0 = yytnamerr (0, yytname[yytoken]); + YYSIZE_T yysize = yysize0; + YYSIZE_T yysize1; + enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 }; + /* Internationalized format string. */ + const char *yyformat = 0; + /* Arguments of yyformat. */ + char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM]; + /* Number of reported tokens (one for the "unexpected", one per + "expected"). */ + int yycount = 0; + + /* There are many possibilities here to consider: + - Assume YYFAIL is not used. It's too flawed to consider. See + + for details. YYERROR is fine as it does not invoke this + function. + - If this state is a consistent state with a default action, then + the only way this function was invoked is if the default action + is an error action. In that case, don't check for expected + tokens because there are none. + - The only way there can be no lookahead present (in yychar) is if + this state is a consistent state with a default action. Thus, + detecting the absence of a lookahead is sufficient to determine + that there is no unexpected or expected token to report. In that + case, just report a simple "syntax error". + - Don't assume there isn't a lookahead just because this state is a + consistent state with a default action. There might have been a + previous inconsistent state, consistent state with a non-default + action, or user semantic action that manipulated yychar. + - Of course, the expected token list depends on states to have + correct lookahead information, and it depends on the parser not + to perform extra reductions after fetching a lookahead from the + scanner and before detecting a syntax error. Thus, state merging + (from LALR or IELR) and default reductions corrupt the expected + token list. However, the list is correct for canonical LR with + one exception: it will still contain any token that will not be + accepted due to an error action in a later state. + */ + if (yytoken != YYEMPTY) + { + int yyn = yypact[*yyssp]; + yyarg[yycount++] = yytname[yytoken]; + if (!yypact_value_is_default (yyn)) + { + /* Start YYX at -YYN if negative to avoid negative indexes in + YYCHECK. In other words, skip the first -YYN actions for + this state because they are default actions. */ + int yyxbegin = yyn < 0 ? -yyn : 0; + /* Stay within bounds of both yycheck and yytname. */ + int yychecklim = YYLAST - yyn + 1; + int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS; + int yyx; + + for (yyx = yyxbegin; yyx < yyxend; ++yyx) + if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR + && !yytable_value_is_error (yytable[yyx + yyn])) + { + if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM) + { + yycount = 1; + yysize = yysize0; + break; + } + yyarg[yycount++] = yytname[yyx]; + yysize1 = yysize + yytnamerr (0, yytname[yyx]); + if (! (yysize <= yysize1 + && yysize1 <= YYSTACK_ALLOC_MAXIMUM)) + return 2; + yysize = yysize1; + } + } + } + + switch (yycount) + { +# define YYCASE_(N, S) \ + case N: \ + yyformat = S; \ + break + YYCASE_(0, YY_("syntax error")); + YYCASE_(1, YY_("syntax error, unexpected %s")); + YYCASE_(2, YY_("syntax error, unexpected %s, expecting %s")); + YYCASE_(3, YY_("syntax error, unexpected %s, expecting %s or %s")); + YYCASE_(4, YY_("syntax error, unexpected %s, expecting %s or %s or %s")); + YYCASE_(5, YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s")); +# undef YYCASE_ + } + + yysize1 = yysize + yystrlen (yyformat); + if (! (yysize <= yysize1 && yysize1 <= YYSTACK_ALLOC_MAXIMUM)) + return 2; + yysize = yysize1; + + if (*yymsg_alloc < yysize) + { + *yymsg_alloc = 2 * yysize; + if (! (yysize <= *yymsg_alloc + && *yymsg_alloc <= YYSTACK_ALLOC_MAXIMUM)) + *yymsg_alloc = YYSTACK_ALLOC_MAXIMUM; + return 1; + } + + /* Avoid sprintf, as that infringes on the user's name space. + Don't have undefined behavior even if the translation + produced a string with the wrong number of "%s"s. */ + { + char *yyp = *yymsg; + int yyi = 0; + while ((*yyp = *yyformat) != '\0') + if (*yyp == '%' && yyformat[1] == 's' && yyi < yycount) + { + yyp += yytnamerr (yyp, yyarg[yyi++]); + yyformat += 2; + } + else + { + yyp++; + yyformat++; + } + } + return 0; +} +#endif /* YYERROR_VERBOSE */ + +/*-----------------------------------------------. +| Release the memory associated to this symbol. | +`-----------------------------------------------*/ + +/*ARGSUSED*/ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep) +#else +static void +yydestruct (yymsg, yytype, yyvaluep) + const char *yymsg; + int yytype; + YYSTYPE *yyvaluep; +#endif +{ + YYUSE (yyvaluep); + + if (!yymsg) + yymsg = "Deleting"; + YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp); + + switch (yytype) + { + + default: + break; + } +} + + +/* Prevent warnings from -Wmissing-prototypes. */ +#ifdef YYPARSE_PARAM +#if defined __STDC__ || defined __cplusplus +int yyparse (void *YYPARSE_PARAM); +#else +int yyparse (); +#endif +#else /* ! YYPARSE_PARAM */ +#if defined __STDC__ || defined __cplusplus +int yyparse (void); +#else +int yyparse (); +#endif +#endif /* ! YYPARSE_PARAM */ + + +/* The lookahead symbol. */ +int yychar; + +/* The semantic value of the lookahead symbol. */ +YYSTYPE yylval; + +/* Number of syntax errors so far. */ +int yynerrs; + + +/*----------. +| yyparse. | +`----------*/ + +#ifdef YYPARSE_PARAM +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +int +yyparse (void *YYPARSE_PARAM) +#else +int +yyparse (YYPARSE_PARAM) + void *YYPARSE_PARAM; +#endif +#else /* ! YYPARSE_PARAM */ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +int +yyparse (void) +#else +int +yyparse () + +#endif +#endif +{ + int yystate; + /* Number of tokens to shift before error messages enabled. */ + int yyerrstatus; + + /* The stacks and their tools: + `yyss': related to states. + `yyvs': related to semantic values. + + Refer to the stacks thru separate pointers, to allow yyoverflow + to reallocate them elsewhere. */ + + /* The state stack. */ + yytype_int16 yyssa[YYINITDEPTH]; + yytype_int16 *yyss; + yytype_int16 *yyssp; + + /* The semantic value stack. */ + YYSTYPE yyvsa[YYINITDEPTH]; + YYSTYPE *yyvs; + YYSTYPE *yyvsp; + + YYSIZE_T yystacksize; + + int yyn; + int yyresult; + /* Lookahead token as an internal (translated) token number. */ + int yytoken; + /* The variables used to return semantic value and location from the + action routines. */ + YYSTYPE yyval; + +#if YYERROR_VERBOSE + /* Buffer for error messages, and its allocated size. */ + char yymsgbuf[128]; + char *yymsg = yymsgbuf; + YYSIZE_T yymsg_alloc = sizeof yymsgbuf; +#endif + +#define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N)) + + /* The number of symbols on the RHS of the reduced rule. + Keep to zero when no symbol should be popped. */ + int yylen = 0; + + yytoken = 0; + yyss = yyssa; + yyvs = yyvsa; + yystacksize = YYINITDEPTH; + + YYDPRINTF ((stderr, "Starting parse\n")); + + yystate = 0; + yyerrstatus = 0; + yynerrs = 0; + yychar = YYEMPTY; /* Cause a token to be read. */ + + /* Initialize stack pointers. + Waste one element of value and location stack + so that they stay on the same level as the state stack. + The wasted elements are never initialized. */ + yyssp = yyss; + yyvsp = yyvs; + + goto yysetstate; + +/*------------------------------------------------------------. +| yynewstate -- Push a new state, which is found in yystate. | +`------------------------------------------------------------*/ + yynewstate: + /* In all cases, when you get here, the value and location stacks + have just been pushed. So pushing a state here evens the stacks. */ + yyssp++; + + yysetstate: + *yyssp = yystate; + + if (yyss + yystacksize - 1 <= yyssp) + { + /* Get the current used size of the three stacks, in elements. */ + YYSIZE_T yysize = yyssp - yyss + 1; + +#ifdef yyoverflow + { + /* Give user a chance to reallocate the stack. Use copies of + these so that the &'s don't force the real ones into + memory. */ + YYSTYPE *yyvs1 = yyvs; + yytype_int16 *yyss1 = yyss; + + /* Each stack pointer address is followed by the size of the + data in use in that stack, in bytes. This used to be a + conditional around just the two extra args, but that might + be undefined if yyoverflow is a macro. */ + yyoverflow (YY_("memory exhausted"), + &yyss1, yysize * sizeof (*yyssp), + &yyvs1, yysize * sizeof (*yyvsp), + &yystacksize); + + yyss = yyss1; + yyvs = yyvs1; + } +#else /* no yyoverflow */ +# ifndef YYSTACK_RELOCATE + goto yyexhaustedlab; +# else + /* Extend the stack our own way. */ + if (YYMAXDEPTH <= yystacksize) + goto yyexhaustedlab; + yystacksize *= 2; + if (YYMAXDEPTH < yystacksize) + yystacksize = YYMAXDEPTH; + + { + yytype_int16 *yyss1 = yyss; + union yyalloc *yyptr = + (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize)); + if (! yyptr) + goto yyexhaustedlab; + YYSTACK_RELOCATE (yyss_alloc, yyss); + YYSTACK_RELOCATE (yyvs_alloc, yyvs); +# undef YYSTACK_RELOCATE + if (yyss1 != yyssa) + YYSTACK_FREE (yyss1); + } +# endif +#endif /* no yyoverflow */ + + yyssp = yyss + yysize - 1; + yyvsp = yyvs + yysize - 1; + + YYDPRINTF ((stderr, "Stack size increased to %lu\n", + (unsigned long int) yystacksize)); + + if (yyss + yystacksize - 1 <= yyssp) + YYABORT; + } + + YYDPRINTF ((stderr, "Entering state %d\n", yystate)); + + if (yystate == YYFINAL) + YYACCEPT; + + goto yybackup; + +/*-----------. +| yybackup. | +`-----------*/ +yybackup: + + /* Do appropriate processing given the current state. Read a + lookahead token if we need one and don't already have one. */ + + /* First try to decide what to do without reference to lookahead token. */ + yyn = yypact[yystate]; + if (yypact_value_is_default (yyn)) + goto yydefault; + + /* Not known => get a lookahead token if don't already have one. */ + + /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */ + if (yychar == YYEMPTY) + { + YYDPRINTF ((stderr, "Reading a token: ")); + yychar = YYLEX; + } + + if (yychar <= YYEOF) + { + yychar = yytoken = YYEOF; + YYDPRINTF ((stderr, "Now at end of input.\n")); + } + else + { + yytoken = YYTRANSLATE (yychar); + YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc); + } + + /* If the proper action on seeing token YYTOKEN is to reduce or to + detect an error, take that action. */ + yyn += yytoken; + if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken) + goto yydefault; + yyn = yytable[yyn]; + if (yyn <= 0) + { + if (yytable_value_is_error (yyn)) + goto yyerrlab; + yyn = -yyn; + goto yyreduce; + } + + /* Count tokens shifted since error; after three, turn off error + status. */ + if (yyerrstatus) + yyerrstatus--; + + /* Shift the lookahead token. */ + YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc); + + /* Discard the shifted token. */ + yychar = YYEMPTY; + + yystate = yyn; + *++yyvsp = yylval; + + goto yynewstate; + + +/*-----------------------------------------------------------. +| yydefault -- do the default action for the current state. | +`-----------------------------------------------------------*/ +yydefault: + yyn = yydefact[yystate]; + if (yyn == 0) + goto yyerrlab; + goto yyreduce; + + +/*-----------------------------. +| yyreduce -- Do a reduction. | +`-----------------------------*/ +yyreduce: + /* yyn is the number of a rule to reduce with. */ + yylen = yyr2[yyn]; + + /* If YYLEN is nonzero, implement the default value of the action: + `$$ = $1'. + + Otherwise, the following line sets YYVAL to garbage. + This behavior is undocumented and Bison + users should not rely upon it. Assigning to YYVAL + unconditionally makes the parser a bit smaller, and it avoids a + GCC warning that YYVAL may be used uninitialized. */ + yyval = yyvsp[1-yylen]; + + + YY_REDUCE_PRINT (yyn); + switch (yyn) + { + case 4: + +/* Line 1806 of yacc.c */ +#line 143 "parsedate.y" + { + yyHaveTime++; +#ifdef lint + /* I am compulsive about lint natterings... */ + if (yyHaveTime == -1) { + YYERROR; + } +#endif /* lint */ + } + break; + + case 5: + +/* Line 1806 of yacc.c */ +#line 152 "parsedate.y" + { + yyHaveTime++; + yyTimezone = (yyvsp[(2) - (2)].Number); + } + break; + + case 6: + +/* Line 1806 of yacc.c */ +#line 156 "parsedate.y" + { + yyHaveDate++; + } + break; + + case 7: + +/* Line 1806 of yacc.c */ +#line 159 "parsedate.y" + { + yyHaveRel = 1; + } + break; + + case 8: + +/* Line 1806 of yacc.c */ +#line 164 "parsedate.y" + { + if ((yyvsp[(1) - (2)].Number) < 100) { + yyHour = (yyvsp[(1) - (2)].Number); + yyMinutes = 0; + } + else { + yyHour = (yyvsp[(1) - (2)].Number) / 100; + yyMinutes = (yyvsp[(1) - (2)].Number) % 100; + } + yySeconds = 0; + yyMeridian = (yyvsp[(2) - (2)].Meridian); + } + break; + + case 9: + +/* Line 1806 of yacc.c */ +#line 176 "parsedate.y" + { + yyHour = (yyvsp[(1) - (4)].Number); + yyMinutes = (yyvsp[(3) - (4)].Number); + yySeconds = 0; + yyMeridian = (yyvsp[(4) - (4)].Meridian); + } + break; + + case 10: + +/* Line 1806 of yacc.c */ +#line 182 "parsedate.y" + { + yyHour = (yyvsp[(1) - (4)].Number); + yyMinutes = (yyvsp[(3) - (4)].Number); + yyTimezone = (yyvsp[(4) - (4)].Number); + yyMeridian = MER24; + yyDSTmode = DSToff; + } + break; + + case 11: + +/* Line 1806 of yacc.c */ +#line 189 "parsedate.y" + { + yyHour = (yyvsp[(1) - (6)].Number); + yyMinutes = (yyvsp[(3) - (6)].Number); + yySeconds = (yyvsp[(5) - (6)].Number); + yyMeridian = (yyvsp[(6) - (6)].Meridian); + } + break; + + case 12: + +/* Line 1806 of yacc.c */ +#line 195 "parsedate.y" + { + yyHour = (yyvsp[(1) - (6)].Number); + yyMinutes = (yyvsp[(3) - (6)].Number); + yySeconds = (yyvsp[(5) - (6)].Number); + yyTimezone = (yyvsp[(6) - (6)].Number); + yyMeridian = MER24; + yyDSTmode = DSToff; + } + break; + + case 13: + +/* Line 1806 of yacc.c */ +#line 205 "parsedate.y" + { + (yyval.Number) = (yyvsp[(1) - (1)].Number); + yyDSTmode = DSToff; + } + break; + + case 14: + +/* Line 1806 of yacc.c */ +#line 209 "parsedate.y" + { + (yyval.Number) = (yyvsp[(1) - (1)].Number); + yyDSTmode = DSTon; + } + break; + + case 15: + +/* Line 1806 of yacc.c */ +#line 213 "parsedate.y" + { + /* Only allow "GMT+300" and "GMT-0800" */ + if ((yyvsp[(1) - (2)].Number) != 0) { + YYABORT; + } + (yyval.Number) = (yyvsp[(2) - (2)].Number); + yyDSTmode = DSToff; + } + break; + + case 16: + +/* Line 1806 of yacc.c */ +#line 221 "parsedate.y" + { + (yyval.Number) = (yyvsp[(1) - (1)].Number); + yyDSTmode = DSToff; + } + break; + + case 17: + +/* Line 1806 of yacc.c */ +#line 227 "parsedate.y" + { + int i; + + /* Unix and GMT and numeric timezones -- a little confusing. */ + if ((yyvsp[(1) - (1)].Number) < 0) { + /* Don't work with negative modulus. */ + (yyvsp[(1) - (1)].Number) = -(yyvsp[(1) - (1)].Number); + if ((yyvsp[(1) - (1)].Number) > 9999 || (i = (yyvsp[(1) - (1)].Number) % 100) >= 60) { + YYABORT; + } + (yyval.Number) = ((yyvsp[(1) - (1)].Number) / 100) * 60 + i; + } + else { + if ((yyvsp[(1) - (1)].Number) > 9999 || (i = (yyvsp[(1) - (1)].Number) % 100) >= 60) { + YYABORT; + } + (yyval.Number) = -(((yyvsp[(1) - (1)].Number) / 100) * 60 + i); + } + } + break; + + case 18: + +/* Line 1806 of yacc.c */ +#line 248 "parsedate.y" + { + yyMonth = (yyvsp[(1) - (3)].Number); + yyDay = (yyvsp[(3) - (3)].Number); + } + break; + + case 19: + +/* Line 1806 of yacc.c */ +#line 252 "parsedate.y" + { + if ((yyvsp[(1) - (5)].Number) > 100) { + yyYear = (yyvsp[(1) - (5)].Number); + yyMonth = (yyvsp[(3) - (5)].Number); + yyDay = (yyvsp[(5) - (5)].Number); + } + else { + yyMonth = (yyvsp[(1) - (5)].Number); + yyDay = (yyvsp[(3) - (5)].Number); + yyYear = (yyvsp[(5) - (5)].Number); + } + } + break; + + case 20: + +/* Line 1806 of yacc.c */ +#line 264 "parsedate.y" + { + yyMonth = (yyvsp[(1) - (2)].Number); + yyDay = (yyvsp[(2) - (2)].Number); + } + break; + + case 21: + +/* Line 1806 of yacc.c */ +#line 268 "parsedate.y" + { + yyMonth = (yyvsp[(1) - (4)].Number); + yyDay = (yyvsp[(2) - (4)].Number); + yyYear = (yyvsp[(4) - (4)].Number); + } + break; + + case 22: + +/* Line 1806 of yacc.c */ +#line 273 "parsedate.y" + { + yyDay = (yyvsp[(1) - (2)].Number); + yyMonth = (yyvsp[(2) - (2)].Number); + } + break; + + case 23: + +/* Line 1806 of yacc.c */ +#line 277 "parsedate.y" + { + yyDay = (yyvsp[(1) - (3)].Number); + yyMonth = (yyvsp[(2) - (3)].Number); + yyYear = (yyvsp[(3) - (3)].Number); + } + break; + + case 24: + +/* Line 1806 of yacc.c */ +#line 282 "parsedate.y" + { + yyDay = (yyvsp[(3) - (5)].Number); + yyMonth = (yyvsp[(4) - (5)].Number); + yyYear = (yyvsp[(5) - (5)].Number); + } + break; + + case 25: + +/* Line 1806 of yacc.c */ +#line 289 "parsedate.y" + { + yyRelSeconds += (yyvsp[(1) - (2)].Number) * (yyvsp[(2) - (2)].Number); + } + break; + + case 26: + +/* Line 1806 of yacc.c */ +#line 292 "parsedate.y" + { + yyRelSeconds += (yyvsp[(1) - (2)].Number) * (yyvsp[(2) - (2)].Number); + } + break; + + case 27: + +/* Line 1806 of yacc.c */ +#line 295 "parsedate.y" + { + yyRelMonth += (yyvsp[(1) - (2)].Number) * (yyvsp[(2) - (2)].Number); + } + break; + + case 28: + +/* Line 1806 of yacc.c */ +#line 298 "parsedate.y" + { + yyRelMonth += (yyvsp[(1) - (2)].Number) * (yyvsp[(2) - (2)].Number); + } + break; + + case 29: + +/* Line 1806 of yacc.c */ +#line 303 "parsedate.y" + { + (yyval.Meridian) = MER24; + } + break; + + case 30: + +/* Line 1806 of yacc.c */ +#line 306 "parsedate.y" + { + (yyval.Meridian) = (yyvsp[(1) - (1)].Meridian); + } + break; + + + +/* Line 1806 of yacc.c */ +#line 1843 "y.tab.c" + default: break; + } + /* User semantic actions sometimes alter yychar, and that requires + that yytoken be updated with the new translation. We take the + approach of translating immediately before every use of yytoken. + One alternative is translating here after every semantic action, + but that translation would be missed if the semantic action invokes + YYABORT, YYACCEPT, or YYERROR immediately after altering yychar or + if it invokes YYBACKUP. In the case of YYABORT or YYACCEPT, an + incorrect destructor might then be invoked immediately. In the + case of YYERROR or YYBACKUP, subsequent parser actions might lead + to an incorrect destructor call or verbose syntax error message + before the lookahead is translated. */ + YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc); + + YYPOPSTACK (yylen); + yylen = 0; + YY_STACK_PRINT (yyss, yyssp); + + *++yyvsp = yyval; + + /* Now `shift' the result of the reduction. Determine what state + that goes to, based on the state we popped back to and the rule + number reduced by. */ + + yyn = yyr1[yyn]; + + yystate = yypgoto[yyn - YYNTOKENS] + *yyssp; + if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp) + yystate = yytable[yystate]; + else + yystate = yydefgoto[yyn - YYNTOKENS]; + + goto yynewstate; + + +/*------------------------------------. +| yyerrlab -- here on detecting error | +`------------------------------------*/ +yyerrlab: + /* Make sure we have latest lookahead translation. See comments at + user semantic actions for why this is necessary. */ + yytoken = yychar == YYEMPTY ? YYEMPTY : YYTRANSLATE (yychar); + + /* If not already recovering from an error, report this error. */ + if (!yyerrstatus) + { + ++yynerrs; +#if ! YYERROR_VERBOSE + yyerror (YY_("syntax error")); +#else +# define YYSYNTAX_ERROR yysyntax_error (&yymsg_alloc, &yymsg, \ + yyssp, yytoken) + { + char const *yymsgp = YY_("syntax error"); + int yysyntax_error_status; + yysyntax_error_status = YYSYNTAX_ERROR; + if (yysyntax_error_status == 0) + yymsgp = yymsg; + else if (yysyntax_error_status == 1) + { + if (yymsg != yymsgbuf) + YYSTACK_FREE (yymsg); + yymsg = (char *) YYSTACK_ALLOC (yymsg_alloc); + if (!yymsg) + { + yymsg = yymsgbuf; + yymsg_alloc = sizeof yymsgbuf; + yysyntax_error_status = 2; + } + else + { + yysyntax_error_status = YYSYNTAX_ERROR; + yymsgp = yymsg; + } + } + yyerror (yymsgp); + if (yysyntax_error_status == 2) + goto yyexhaustedlab; + } +# undef YYSYNTAX_ERROR +#endif + } + + + + if (yyerrstatus == 3) + { + /* If just tried and failed to reuse lookahead token after an + error, discard it. */ + + if (yychar <= YYEOF) + { + /* Return failure if at end of input. */ + if (yychar == YYEOF) + YYABORT; + } + else + { + yydestruct ("Error: discarding", + yytoken, &yylval); + yychar = YYEMPTY; + } + } + + /* Else will try to reuse lookahead token after shifting the error + token. */ + goto yyerrlab1; + -#define SIZEOF(array) ((int)(sizeof array / sizeof array[0])) -#define ENDOF(array) (&array[SIZEOF(array)]) +/*---------------------------------------------------. +| yyerrorlab -- error raised explicitly by YYERROR. | +`---------------------------------------------------*/ +yyerrorlab: + /* Pacify compilers like GCC when the user code never invokes + YYERROR and the label yyerrorlab therefore never appears in user + code. */ + if (/*CONSTCOND*/ 0) + goto yyerrorlab; -/* -** An entry in the lexical lookup table. -*/ -typedef struct _TABLE { - char *name; - int type; - time_t value; -} TABLE; + /* Do not reclaim the symbols of the rule which action triggered + this YYERROR. */ + YYPOPSTACK (yylen); + yylen = 0; + YY_STACK_PRINT (yyss, yyssp); + yystate = *yyssp; + goto yyerrlab1; -/* -** Daylight-savings mode: on, off, or not yet known. -*/ -typedef enum _DSTMODE { - DSTon, DSToff, DSTmaybe -} DSTMODE; -/* -** Meridian: am, pm, or 24-hour style. -*/ -typedef enum _MERIDIAN { - MERam, MERpm, MER24 -} MERIDIAN; +/*-------------------------------------------------------------. +| yyerrlab1 -- common code for both syntax error and YYERROR. | +`-------------------------------------------------------------*/ +yyerrlab1: + yyerrstatus = 3; /* Each real token shifted decrements this. */ + for (;;) + { + yyn = yypact[yystate]; + if (!yypact_value_is_default (yyn)) + { + yyn += YYTERROR; + if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR) + { + yyn = yytable[yyn]; + if (0 < yyn) + break; + } + } -/* -** Global variables. We could get rid of most of them by using a yacc -** union, but this is more efficient. (This routine predates the -** yacc %union construct.) -*/ -static char *yyInput; -static DSTMODE yyDSTmode; -static int yyHaveDate; -static int yyHaveRel; -static int yyHaveTime; -static time_t yyTimezone; -static time_t yyDay; -static time_t yyHour; -static time_t yyMinutes; -static time_t yyMonth; -static time_t yySeconds; -static time_t yyYear; -static MERIDIAN yyMeridian; -static time_t yyRelMonth; -static time_t yyRelSeconds; + /* Pop the current state because it cannot handle the error token. */ + if (yyssp == yyss) + YYABORT; -extern struct tm *localtime(); + yydestruct ("Error: popping", + yystos[yystate], yyvsp); + YYPOPSTACK (1); + yystate = *yyssp; + YY_STACK_PRINT (yyss, yyssp); + } -static void date_error(); -#line 100 "parsedate.y" -typedef union { - time_t Number; - enum _MERIDIAN Meridian; -} YYSTYPE; -#line 114 "y.tab.c" -#define tDAY 257 -#define tDAYZONE 258 -#define tMERIDIAN 259 -#define tMONTH 260 -#define tMONTH_UNIT 261 -#define tSEC_UNIT 262 -#define tSNUMBER 263 -#define tUNUMBER 264 -#define tZONE 265 -#define YYERRCODE 256 -short yylhs[] = { -1, - 0, 0, 4, 4, 4, 4, 5, 5, 5, 5, - 5, 2, 2, 2, 2, 1, 6, 6, 6, 6, - 6, 6, 6, 7, 7, 7, 7, 3, 3, -}; -short yylen[] = { 2, - 0, 2, 1, 2, 1, 1, 2, 4, 4, 6, - 6, 1, 1, 2, 1, 1, 3, 5, 2, 4, - 2, 3, 5, 2, 2, 2, 2, 0, 1, -}; -short yydefred[] = { 1, - 0, 0, 0, 0, 0, 2, 0, 5, 6, 0, - 0, 26, 24, 29, 0, 27, 25, 0, 0, 7, - 13, 16, 0, 15, 4, 0, 0, 22, 0, 0, - 14, 0, 20, 0, 9, 8, 0, 23, 0, 18, - 11, 10, -}; -short yydgoto[] = { 1, - 24, 25, 20, 6, 7, 8, 9, -}; -short yysindex[] = { 0, - -239, -36, -248, -255, -47, 0, -232, 0, 0, -247, - -25, 0, 0, 0, -237, 0, 0, -235, -234, 0, - 0, 0, -231, 0, 0, -226, -229, 0, -56, -11, - 0, -227, 0, -225, 0, 0, -224, 0, -250, 0, - 0, 0, -}; -short yyrindex[] = { 0, - 0, 0, 0, 0, 1, 0, 22, 0, 0, 0, - 12, 0, 0, 0, 28, 0, 0, 0, 0, 0, - 0, 0, 23, 0, 0, 0, 0, 0, 3, 14, - 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, - 0, 0, -}; -short yygindex[] = { 0, - -19, 0, -24, 0, 0, 0, 0, -}; -#define YYTABLESIZE 291 -short yytable[] = { 19, - 28, 34, 28, 31, 36, 12, 13, 10, 14, 35, - 18, 19, 22, 17, 42, 11, 26, 2, 27, 41, - 3, 3, 12, 4, 5, 21, 28, 21, 29, 30, - 22, 22, 23, 32, 33, 37, 38, 0, 39, 40, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 14, 0, 0, 0, 22, 0, 0, 0, - 0, 14, 15, 16, 17, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 28, 28, 28, - 28, 0, 28, 28, 28, 28, 28, 28, 19, 0, - 17, 19, 0, 17, 19, 19, 17, 17, 3, 12, - 0, 3, 12, 0, 21, 3, 12, 21, 0, 0, - 21, -}; -short yycheck[] = { 47, - 0, 58, 0, 23, 29, 261, 262, 44, 259, 29, - 58, 0, 263, 0, 39, 264, 264, 257, 44, 39, - 260, 0, 0, 263, 264, 258, 264, 0, 264, 264, - 263, 263, 265, 260, 264, 47, 264, -1, 264, 264, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, 259, -1, -1, -1, 263, -1, -1, -1, - -1, 259, 260, 261, 262, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, 257, 258, 257, - 258, -1, 260, 263, 264, 265, 264, 265, 257, -1, - 257, 260, -1, 260, 263, 264, 263, 264, 257, 257, - -1, 260, 260, -1, 257, 264, 264, 260, -1, -1, - 263, -}; -#define YYFINAL 1 -#ifndef YYDEBUG -#define YYDEBUG 0 -#endif -#define YYMAXTOKEN 265 -#if YYDEBUG -char *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,"':'",0,0,0,0,0,0,0,0,0, -0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, -0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, -0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, -0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, -0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"tDAY","tDAYZONE", -"tMERIDIAN","tMONTH","tMONTH_UNIT","tSEC_UNIT","tSNUMBER","tUNUMBER","tZONE", -}; -char *yyrule[] = { -"$accept : spec", -"spec :", -"spec : spec item", -"item : time", -"item : time zone", -"item : date", -"item : rel", -"time : tUNUMBER o_merid", -"time : tUNUMBER ':' tUNUMBER o_merid", -"time : tUNUMBER ':' tUNUMBER numzone", -"time : tUNUMBER ':' tUNUMBER ':' tUNUMBER o_merid", -"time : tUNUMBER ':' tUNUMBER ':' tUNUMBER numzone", -"zone : tZONE", -"zone : tDAYZONE", -"zone : tZONE numzone", -"zone : numzone", -"numzone : tSNUMBER", -"date : tUNUMBER '/' tUNUMBER", -"date : tUNUMBER '/' tUNUMBER '/' tUNUMBER", -"date : tMONTH tUNUMBER", -"date : tMONTH tUNUMBER ',' tUNUMBER", -"date : tUNUMBER tMONTH", -"date : tUNUMBER tMONTH tUNUMBER", -"date : tDAY ',' tUNUMBER tMONTH tUNUMBER", -"rel : tSNUMBER tSEC_UNIT", -"rel : tUNUMBER tSEC_UNIT", -"rel : tSNUMBER tMONTH_UNIT", -"rel : tUNUMBER tMONTH_UNIT", -"o_merid :", -"o_merid : tMERIDIAN", -}; + *++yyvsp = yylval; + + + /* Shift the error token. */ + YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp); + + yystate = yyn; + goto yynewstate; + + +/*-------------------------------------. +| yyacceptlab -- YYACCEPT comes here. | +`-------------------------------------*/ +yyacceptlab: + yyresult = 0; + goto yyreturn; + +/*-----------------------------------. +| yyabortlab -- YYABORT comes here. | +`-----------------------------------*/ +yyabortlab: + yyresult = 1; + goto yyreturn; + +#if !defined(yyoverflow) || YYERROR_VERBOSE +/*-------------------------------------------------. +| yyexhaustedlab -- memory exhaustion comes here. | +`-------------------------------------------------*/ +yyexhaustedlab: + yyerror (YY_("memory exhausted")); + yyresult = 2; + /* Fall through. */ #endif -#ifdef YYSTACKSIZE -#undef YYMAXDEPTH -#define YYMAXDEPTH YYSTACKSIZE -#else -#ifdef YYMAXDEPTH -#define YYSTACKSIZE YYMAXDEPTH -#else -#define YYSTACKSIZE 500 -#define YYMAXDEPTH 500 + +yyreturn: + if (yychar != YYEMPTY) + { + /* Make sure we have latest lookahead translation. See comments at + user semantic actions for why this is necessary. */ + yytoken = YYTRANSLATE (yychar); + yydestruct ("Cleanup: discarding lookahead", + yytoken, &yylval); + } + /* Do not reclaim the symbols of the rule which action triggered + this YYABORT or YYACCEPT. */ + YYPOPSTACK (yylen); + YY_STACK_PRINT (yyss, yyssp); + while (yyssp != yyss) + { + yydestruct ("Cleanup: popping", + yystos[*yyssp], yyvsp); + YYPOPSTACK (1); + } +#ifndef yyoverflow + if (yyss != yyssa) + YYSTACK_FREE (yyss); #endif +#if YYERROR_VERBOSE + if (yymsg != yymsgbuf) + YYSTACK_FREE (yymsg); #endif -int yydebug; -int yynerrs; -int yyerrflag; -int yychar; -short *yyssp; -YYSTYPE *yyvsp; -YYSTYPE yyval; -YYSTYPE yylval; -short yyss[YYSTACKSIZE]; -YYSTYPE yyvs[YYSTACKSIZE]; -#define yystacksize YYSTACKSIZE -#line 287 "parsedate.y" + /* Make sure YYID is used. */ + return YYID (yyresult); +} + + + +/* Line 2067 of yacc.c */ +#line 311 "parsedate.y" + /* Month and day table. */ static TABLE MonthDayTable[] = { @@ -449,19 +2226,14 @@ static TABLE TimezoneTable[] = { /* ARGSUSED */ static void -date_error(s) - char *s; +date_error(char *s) { /* NOTREACHED */ } static time_t -ToSeconds(Hours, Minutes, Seconds, Meridian) - time_t Hours; - time_t Minutes; - time_t Seconds; - MERIDIAN Meridian; +ToSeconds(time_t Hours, time_t Minutes, time_t Seconds, MERIDIAN Meridian) { if (Minutes < 0 || Minutes > 59 || Seconds < 0 || Seconds > 61) return -1; @@ -482,15 +2254,9 @@ ToSeconds(Hours, Minutes, Seconds, Meridian) static time_t -Convert(Month, Day, Year, Hours, Minutes, Seconds, Meridian, dst) - time_t Month; - time_t Day; - time_t Year; - time_t Hours; - time_t Minutes; - time_t Seconds; - MERIDIAN Meridian; - DSTMODE dst; +Convert(time_t Month, time_t Day, time_t Year, + time_t Hours, time_t Minutes, time_t Seconds, + MERIDIAN Meridian, DSTMODE dst) { static int DaysNormal[13] = { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 @@ -544,9 +2310,7 @@ Convert(Month, Day, Year, Hours, Minutes, Seconds, Meridian, dst) static time_t -DSTcorrect(Start, Future) - time_t Start; - time_t Future; +DSTcorrect(time_t Start, time_t Future) { time_t StartDay; time_t FutureDay; @@ -558,9 +2322,7 @@ DSTcorrect(Start, Future) static time_t -RelativeMonth(Start, RelMonth) - time_t Start; - time_t RelMonth; +RelativeMonth(time_t Start, time_t RelMonth) { struct tm *tm; time_t Month; @@ -578,9 +2340,7 @@ RelativeMonth(Start, RelMonth) static int -LookupWord(buff, length) - char *buff; - register int length; +LookupWord(char *buff, register int length) { register char *p; register char *q; @@ -670,7 +2430,7 @@ LookupWord(buff, length) int -date_lex() +date_lex(void) { register char c; register char *p; @@ -733,13 +2493,12 @@ date_lex() time_t -parsedate(p) - char *p; +parsedate(const char *p) { - extern int date_parse(); + extern int date_parse(void); time_t Start; - yyInput = p; + yyInput = p; /* well, its supposed to be const... */ yyYear = 0; yyMonth = 0; @@ -786,9 +2545,7 @@ extern int yydebug; /* ARGSUSED */ int -main(ac, av) - int ac; - char *av[]; +main(int ac, char *av[]) { char buff[128]; time_t d; @@ -801,7 +2558,7 @@ main(ac, av) for ( ; ; ) { (void)printf("\t> "); (void)fflush(stdout); - if (gets(buff) == NULL || buff[0] == '\n') + if (fgets(buff, sizeof buff, stdin) == NULL || buff[0] == '\n') break; #if YYDEBUG if (strcmp(buff, "yydebug") == 0) { @@ -821,436 +2578,4 @@ main(ac, av) /* NOTREACHED */ } #endif /* TEST */ -#line 825 "y.tab.c" -#define YYABORT goto yyabort -#define YYREJECT goto yyabort -#define YYACCEPT goto yyaccept -#define YYERROR goto yyerrlab -int -yyparse() -{ - register int yym, yyn, yystate; -#if YYDEBUG - register char *yys; - extern char *getenv(); - - if (yys = getenv("YYDEBUG")) - { - yyn = *yys; - if (yyn >= '0' && yyn <= '9') - yydebug = yyn - '0'; - } -#endif - - yynerrs = 0; - yyerrflag = 0; - yychar = (-1); - - yyssp = yyss; - yyvsp = yyvs; - *yyssp = yystate = 0; - -yyloop: - if (yyn = yydefred[yystate]) goto yyreduce; - if (yychar < 0) - { - if ((yychar = yylex()) < 0) yychar = 0; -#if YYDEBUG - if (yydebug) - { - yys = 0; - if (yychar <= YYMAXTOKEN) yys = yyname[yychar]; - if (!yys) yys = "illegal-symbol"; - printf("%sdebug: state %d, reading %d (%s)\n", - YYPREFIX, yystate, yychar, yys); - } -#endif - } - if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 && - yyn <= YYTABLESIZE && yycheck[yyn] == yychar) - { -#if YYDEBUG - if (yydebug) - printf("%sdebug: state %d, shifting to state %d\n", - YYPREFIX, yystate, yytable[yyn]); -#endif - if (yyssp >= yyss + yystacksize - 1) - { - goto yyoverflow; - } - *++yyssp = yystate = yytable[yyn]; - *++yyvsp = yylval; - yychar = (-1); - if (yyerrflag > 0) --yyerrflag; - goto yyloop; - } - if ((yyn = yyrindex[yystate]) && (yyn += yychar) >= 0 && - yyn <= YYTABLESIZE && yycheck[yyn] == yychar) - { - yyn = yytable[yyn]; - goto yyreduce; - } - if (yyerrflag) goto yyinrecovery; -#ifdef lint - goto yynewerror; -#endif -yynewerror: - yyerror("syntax error"); -#ifdef lint - goto yyerrlab; -#endif -yyerrlab: - ++yynerrs; -yyinrecovery: - if (yyerrflag < 3) - { - yyerrflag = 3; - for (;;) - { - if ((yyn = yysindex[*yyssp]) && (yyn += YYERRCODE) >= 0 && - yyn <= YYTABLESIZE && yycheck[yyn] == YYERRCODE) - { -#if YYDEBUG - if (yydebug) - printf("%sdebug: state %d, error recovery shifting\ - to state %d\n", YYPREFIX, *yyssp, yytable[yyn]); -#endif - if (yyssp >= yyss + yystacksize - 1) - { - goto yyoverflow; - } - *++yyssp = yystate = yytable[yyn]; - *++yyvsp = yylval; - goto yyloop; - } - else - { -#if YYDEBUG - if (yydebug) - printf("%sdebug: error recovery discarding state %d\n", - YYPREFIX, *yyssp); -#endif - if (yyssp <= yyss) goto yyabort; - --yyssp; - --yyvsp; - } - } - } - else - { - if (yychar == 0) goto yyabort; -#if YYDEBUG - if (yydebug) - { - yys = 0; - if (yychar <= YYMAXTOKEN) yys = yyname[yychar]; - if (!yys) yys = "illegal-symbol"; - printf("%sdebug: state %d, error recovery discards token %d (%s)\n", - YYPREFIX, yystate, yychar, yys); - } -#endif - yychar = (-1); - goto yyloop; - } -yyreduce: -#if YYDEBUG - if (yydebug) - printf("%sdebug: state %d, reducing by rule %d (%s)\n", - YYPREFIX, yystate, yyn, yyrule[yyn]); -#endif - yym = yylen[yyn]; - yyval = yyvsp[1-yym]; - switch (yyn) - { -case 3: -#line 118 "parsedate.y" -{ - yyHaveTime++; -#ifdef lint - /* I am compulsive about lint natterings... */ - if (yyHaveTime == -1) { - YYERROR; - } -#endif /* lint */ - } -break; -case 4: -#line 127 "parsedate.y" -{ - yyHaveTime++; - yyTimezone = yyvsp[0].Number; - } -break; -case 5: -#line 131 "parsedate.y" -{ - yyHaveDate++; - } -break; -case 6: -#line 134 "parsedate.y" -{ - yyHaveRel = 1; - } -break; -case 7: -#line 139 "parsedate.y" -{ - if (yyvsp[-1].Number < 100) { - yyHour = yyvsp[-1].Number; - yyMinutes = 0; - } - else { - yyHour = yyvsp[-1].Number / 100; - yyMinutes = yyvsp[-1].Number % 100; - } - yySeconds = 0; - yyMeridian = yyvsp[0].Meridian; - } -break; -case 8: -#line 151 "parsedate.y" -{ - yyHour = yyvsp[-3].Number; - yyMinutes = yyvsp[-1].Number; - yySeconds = 0; - yyMeridian = yyvsp[0].Meridian; - } -break; -case 9: -#line 157 "parsedate.y" -{ - yyHour = yyvsp[-3].Number; - yyMinutes = yyvsp[-1].Number; - yyTimezone = yyvsp[0].Number; - yyMeridian = MER24; - yyDSTmode = DSToff; - } -break; -case 10: -#line 164 "parsedate.y" -{ - yyHour = yyvsp[-5].Number; - yyMinutes = yyvsp[-3].Number; - yySeconds = yyvsp[-1].Number; - yyMeridian = yyvsp[0].Meridian; - } -break; -case 11: -#line 170 "parsedate.y" -{ - yyHour = yyvsp[-5].Number; - yyMinutes = yyvsp[-3].Number; - yySeconds = yyvsp[-1].Number; - yyTimezone = yyvsp[0].Number; - yyMeridian = MER24; - yyDSTmode = DSToff; - } -break; -case 12: -#line 180 "parsedate.y" -{ - yyval.Number = yyvsp[0].Number; - yyDSTmode = DSToff; - } -break; -case 13: -#line 184 "parsedate.y" -{ - yyval.Number = yyvsp[0].Number; - yyDSTmode = DSTon; - } -break; -case 14: -#line 188 "parsedate.y" -{ - /* Only allow "GMT+300" and "GMT-0800" */ - if (yyvsp[-1].Number != 0) { - YYABORT; - } - yyval.Number = yyvsp[0].Number; - yyDSTmode = DSToff; - } -break; -case 15: -#line 196 "parsedate.y" -{ - yyval.Number = yyvsp[0].Number; - yyDSTmode = DSToff; - } -break; -case 16: -#line 202 "parsedate.y" -{ - int i; - /* Unix and GMT and numeric timezones -- a little confusing. */ - if (yyvsp[0].Number < 0) { - /* Don't work with negative modulus. */ - yyvsp[0].Number = -yyvsp[0].Number; - if (yyvsp[0].Number > 9999 || (i = yyvsp[0].Number % 100) >= 60) { - YYABORT; - } - yyval.Number = (yyvsp[0].Number / 100) * 60 + i; - } - else { - if (yyvsp[0].Number > 9999 || (i = yyvsp[0].Number % 100) >= 60) { - YYABORT; - } - yyval.Number = -((yyvsp[0].Number / 100) * 60 + i); - } - } -break; -case 17: -#line 223 "parsedate.y" -{ - yyMonth = yyvsp[-2].Number; - yyDay = yyvsp[0].Number; - } -break; -case 18: -#line 227 "parsedate.y" -{ - if (yyvsp[-4].Number > 100) { - yyYear = yyvsp[-4].Number; - yyMonth = yyvsp[-2].Number; - yyDay = yyvsp[0].Number; - } - else { - yyMonth = yyvsp[-4].Number; - yyDay = yyvsp[-2].Number; - yyYear = yyvsp[0].Number; - } - } -break; -case 19: -#line 239 "parsedate.y" -{ - yyMonth = yyvsp[-1].Number; - yyDay = yyvsp[0].Number; - } -break; -case 20: -#line 243 "parsedate.y" -{ - yyMonth = yyvsp[-3].Number; - yyDay = yyvsp[-2].Number; - yyYear = yyvsp[0].Number; - } -break; -case 21: -#line 248 "parsedate.y" -{ - yyDay = yyvsp[-1].Number; - yyMonth = yyvsp[0].Number; - } -break; -case 22: -#line 252 "parsedate.y" -{ - yyDay = yyvsp[-2].Number; - yyMonth = yyvsp[-1].Number; - yyYear = yyvsp[0].Number; - } -break; -case 23: -#line 257 "parsedate.y" -{ - yyDay = yyvsp[-2].Number; - yyMonth = yyvsp[-1].Number; - yyYear = yyvsp[0].Number; - } -break; -case 24: -#line 264 "parsedate.y" -{ - yyRelSeconds += yyvsp[-1].Number * yyvsp[0].Number; - } -break; -case 25: -#line 267 "parsedate.y" -{ - yyRelSeconds += yyvsp[-1].Number * yyvsp[0].Number; - } -break; -case 26: -#line 270 "parsedate.y" -{ - yyRelMonth += yyvsp[-1].Number * yyvsp[0].Number; - } -break; -case 27: -#line 273 "parsedate.y" -{ - yyRelMonth += yyvsp[-1].Number * yyvsp[0].Number; - } -break; -case 28: -#line 278 "parsedate.y" -{ - yyval.Meridian = MER24; - } -break; -case 29: -#line 281 "parsedate.y" -{ - yyval.Meridian = yyvsp[0].Meridian; - } -break; -#line 1201 "y.tab.c" - } - yyssp -= yym; - yystate = *yyssp; - yyvsp -= yym; - 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); -#endif - yystate = YYFINAL; - *++yyssp = YYFINAL; - *++yyvsp = yyval; - if (yychar < 0) - { - if ((yychar = yylex()) < 0) yychar = 0; -#if YYDEBUG - if (yydebug) - { - yys = 0; - if (yychar <= YYMAXTOKEN) yys = yyname[yychar]; - if (!yys) yys = "illegal-symbol"; - printf("%sdebug: state %d, reading %d (%s)\n", - YYPREFIX, YYFINAL, yychar, yys); - } -#endif - } - if (yychar == 0) goto yyaccept; - goto yyloop; - } - if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 && - yyn <= YYTABLESIZE && yycheck[yyn] == yystate) - yystate = yytable[yyn]; - else - yystate = yydgoto[yym]; -#if YYDEBUG - if (yydebug) - printf("%sdebug: after reduction, shifting from state %d \ -to state %d\n", YYPREFIX, *yyssp, yystate); -#endif - if (yyssp >= yyss + yystacksize - 1) - { - goto yyoverflow; - } - *++yyssp = yystate; - *++yyvsp = yyval; - goto yyloop; -yyoverflow: - yyerror("yacc stack overflow"); -yyabort: - return (1); -yyaccept: - return (0); -}