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+++ b/libmisc/getdate.c
@@ -0,0 +1,2835 @@
+
+/* A Bison parser, made by GNU Bison 2.4.1. */
+
+/* Skeleton implementation for Bison's Yacc-like parsers in C
+
+ Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+ 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 <http://www.gnu.org/licenses/>. */
+
+/* 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 "2.4.1"
+
+/* 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 189 of yacc.c */
+#line 1 "getdate.y"
+
+/*
+** Originally written by Steven M. Bellovin <smb@research.att.com> while
+** at the University of North Carolina at Chapel Hill. Later tweaked by
+** a couple of people on Usenet. Completely overhauled by Rich $alz
+** <rsalz@bbn.com> and Jim Berets <jberets@bbn.com> in August, 1990;
+**
+** This grammar has 13 shift/reduce conflicts.
+**
+** This code is in the public domain and has no copyright.
+*/
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+# ifdef FORCE_ALLOCA_H
+# include <alloca.h>
+# endif
+#endif
+
+/* Since the code of getdate.y is not included in the Emacs executable
+ itself, there is no need to #define static in this file. Even if
+ the code were included in the Emacs executable, it probably
+ wouldn't do any harm to #undef it here; this will only cause
+ problems if we try to write to a static variable, which I don't
+ think this code needs to do. */
+#ifdef emacs
+# undef static
+#endif
+
+#include <stdio.h>
+#include <ctype.h>
+#include <time.h>
+
+#if defined (STDC_HEADERS) || (!defined (isascii) && !defined (HAVE_ISASCII))
+# define IN_CTYPE_DOMAIN(c) 1
+#else
+# define IN_CTYPE_DOMAIN(c) isascii(c)
+#endif
+
+#define ISSPACE(c) (IN_CTYPE_DOMAIN (c) && isspace (c))
+#define ISALPHA(c) (IN_CTYPE_DOMAIN (c) && isalpha (c))
+#define ISUPPER(c) (IN_CTYPE_DOMAIN (c) && isupper (c))
+#define ISDIGIT_LOCALE(c) (IN_CTYPE_DOMAIN (c) && isdigit (c))
+
+/* ISDIGIT differs from ISDIGIT_LOCALE, as follows:
+ - Its arg may be any int or unsigned int; it need not be an unsigned char.
+ - It's guaranteed to evaluate its argument exactly once.
+ - It's typically faster.
+ Posix 1003.2-1992 section 2.5.2.1 page 50 lines 1556-1558 says that
+ only '0' through '9' are digits. Prefer ISDIGIT to ISDIGIT_LOCALE unless
+ it's important to use the locale's definition of `digit' even when the
+ host does not conform to Posix. */
+#define ISDIGIT(c) ((unsigned) (c) - '0' <= 9)
+
+#include "getdate.h"
+
+#if defined (STDC_HEADERS)
+# include <string.h>
+#endif
+
+/* Some old versions of bison generate parsers that use bcopy.
+ That loses on systems that don't provide the function, so we have
+ to redefine it here. */
+#if !defined (HAVE_BCOPY) && defined (HAVE_MEMCPY) && !defined (bcopy)
+# define bcopy(from, to, len) memcpy ((to), (from), (len))
+#endif
+
+/* Remap normal yacc parser interface names (yyparse, yylex, yyerror, etc),
+ as well as gratuitiously global symbol names, so we can have multiple
+ yacc generated parsers in the same program. Note that these are only
+ the variables produced by yacc. If other parser generators (bison,
+ byacc, etc) produce additional global names that conflict at link time,
+ then those parser generators need to be fixed instead of adding those
+ names to this list. */
+
+#define yymaxdepth gd_maxdepth
+#define yyparse gd_parse
+#define yylex gd_lex
+#define yyerror gd_error
+#define yylval gd_lval
+#define yychar gd_char
+#define yydebug gd_debug
+#define yypact gd_pact
+#define yyr1 gd_r1
+#define yyr2 gd_r2
+#define yydef gd_def
+#define yychk gd_chk
+#define yypgo gd_pgo
+#define yyact gd_act
+#define yyexca gd_exca
+#define yyerrflag gd_errflag
+#define yynerrs gd_nerrs
+#define yyps gd_ps
+#define yypv gd_pv
+#define yys gd_s
+#define yy_yys gd_yys
+#define yystate gd_state
+#define yytmp gd_tmp
+#define yyv gd_v
+#define yy_yyv gd_yyv
+#define yyval gd_val
+#define yylloc gd_lloc
+#define yyreds gd_reds /* With YYDEBUG defined */
+#define yytoks gd_toks /* With YYDEBUG defined */
+#define yylhs gd_yylhs
+#define yylen gd_yylen
+#define yydefred gd_yydefred
+#define yydgoto gd_yydgoto
+#define yysindex gd_yysindex
+#define yyrindex gd_yyrindex
+#define yygindex gd_yygindex
+#define yytable gd_yytable
+#define yycheck gd_yycheck
+
+static int yylex (void);
+static int yyerror (const char *s);
+
+#define EPOCH 1970
+#define HOUR(x) ((x) * 60)
+
+#define MAX_BUFF_LEN 128 /* size of buffer to read the date into */
+
+/*
+** An entry in the lexical lookup table.
+*/
+typedef struct _TABLE {
+ const char *name;
+ int type;
+ int value;
+} TABLE;
+
+
+/*
+** Meridian: am, pm, or 24-hour style.
+*/
+typedef enum _MERIDIAN {
+ MERam, MERpm, MER24
+} MERIDIAN;
+
+
+/*
+** Global variables. We could get rid of most of these by using a good
+** union as the yacc stack. (This routine was originally written before
+** yacc had the %union construct.) Maybe someday; right now we only use
+** the %union very rarely.
+*/
+static const char *yyInput;
+static int yyDayOrdinal;
+static int yyDayNumber;
+static int yyHaveDate;
+static int yyHaveDay;
+static int yyHaveRel;
+static int yyHaveTime;
+static int yyHaveZone;
+static int yyTimezone;
+static int yyDay;
+static int yyHour;
+static int yyMinutes;
+static int yyMonth;
+static int yySeconds;
+static int yyYear;
+static MERIDIAN yyMeridian;
+static int yyRelDay;
+static int yyRelHour;
+static int yyRelMinutes;
+static int yyRelMonth;
+static int yyRelSeconds;
+static int yyRelYear;
+
+
+
+/* Line 189 of yacc.c */
+#line 245 "getdate.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 {
+ tAGO = 258,
+ tDAY = 259,
+ tDAY_UNIT = 260,
+ tDAYZONE = 261,
+ tDST = 262,
+ tHOUR_UNIT = 263,
+ tID = 264,
+ tMERIDIAN = 265,
+ tMINUTE_UNIT = 266,
+ tMONTH = 267,
+ tMONTH_UNIT = 268,
+ tSEC_UNIT = 269,
+ tSNUMBER = 270,
+ tUNUMBER = 271,
+ tYEAR_UNIT = 272,
+ tZONE = 273
+ };
+#endif
+/* Tokens. */
+#define tAGO 258
+#define tDAY 259
+#define tDAY_UNIT 260
+#define tDAYZONE 261
+#define tDST 262
+#define tHOUR_UNIT 263
+#define tID 264
+#define tMERIDIAN 265
+#define tMINUTE_UNIT 266
+#define tMONTH 267
+#define tMONTH_UNIT 268
+#define tSEC_UNIT 269
+#define tSNUMBER 270
+#define tUNUMBER 271
+#define tYEAR_UNIT 272
+#define tZONE 273
+
+
+
+
+#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
+typedef union YYSTYPE
+{
+
+/* Line 214 of yacc.c */
+#line 172 "getdate.y"
+
+ int Number;
+ enum _MERIDIAN Meridian;
+
+
+
+/* Line 214 of yacc.c */
+#line 324 "getdate.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 264 of yacc.c */
+#line 336 "getdate.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 <stddef.h> /* 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 YYENABLE_NLS
+# if ENABLE_NLS
+# include <libintl.h> /* 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 <alloca.h> /* INFRINGES ON USER NAME SPACE */
+# elif defined _AIX
+# define YYSTACK_ALLOC __alloca
+# elif defined _MSC_VER
+# include <malloc.h> /* INFRINGES ON USER NAME SPACE */
+# define alloca _alloca
+# else
+# define YYSTACK_ALLOC alloca
+# if ! defined _ALLOCA_H && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
+# ifndef _STDLIB_H
+# define _STDLIB_H 1
+# 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 _STDLIB_H \
+ && ! ((defined YYMALLOC || defined malloc) \
+ && (defined YYFREE || defined free)))
+# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
+# ifndef _STDLIB_H
+# define _STDLIB_H 1
+# endif
+# endif
+# ifndef YYMALLOC
+# define YYMALLOC malloc
+# if ! defined malloc && ! defined _STDLIB_H && (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 _STDLIB_H && (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)
+
+/* 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
+
+/* 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
+
+/* YYFINAL -- State number of the termination state. */
+#define YYFINAL 2
+/* YYLAST -- Last index in YYTABLE. */
+#define YYLAST 50
+
+/* YYNTOKENS -- Number of terminals. */
+#define YYNTOKENS 22
+/* YYNNTS -- Number of nonterminals. */
+#define YYNNTS 11
+/* YYNRULES -- Number of rules. */
+#define YYNRULES 51
+/* YYNRULES -- Number of states. */
+#define YYNSTATES 61
+
+/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */
+#define YYUNDEFTOK 2
+#define YYMAXUTOK 273
+
+#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, 20, 2, 2, 21, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 19, 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, 12, 13, 14,
+ 15, 16, 17, 18
+};
+
+#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, 11, 13, 15, 17,
+ 19, 22, 27, 32, 39, 46, 48, 50, 53, 55,
+ 58, 61, 65, 71, 75, 79, 82, 87, 90, 94,
+ 97, 99, 102, 105, 107, 110, 113, 115, 118, 121,
+ 123, 126, 129, 131, 134, 137, 139, 142, 145, 147,
+ 149, 150
+};
+
+/* YYRHS -- A `-1'-separated list of the rules' RHS. */
+static const yytype_int8 yyrhs[] =
+{
+ 23, 0, -1, -1, 23, 24, -1, 25, -1, 26,
+ -1, 28, -1, 27, -1, 29, -1, 31, -1, 16,
+ 10, -1, 16, 19, 16, 32, -1, 16, 19, 16,
+ 15, -1, 16, 19, 16, 19, 16, 32, -1, 16,
+ 19, 16, 19, 16, 15, -1, 18, -1, 6, -1,
+ 18, 7, -1, 4, -1, 4, 20, -1, 16, 4,
+ -1, 16, 21, 16, -1, 16, 21, 16, 21, 16,
+ -1, 16, 15, 15, -1, 16, 12, 15, -1, 12,
+ 16, -1, 12, 16, 20, 16, -1, 16, 12, -1,
+ 16, 12, 16, -1, 30, 3, -1, 30, -1, 16,
+ 17, -1, 15, 17, -1, 17, -1, 16, 13, -1,
+ 15, 13, -1, 13, -1, 16, 5, -1, 15, 5,
+ -1, 5, -1, 16, 8, -1, 15, 8, -1, 8,
+ -1, 16, 11, -1, 15, 11, -1, 11, -1, 16,
+ 14, -1, 15, 14, -1, 14, -1, 16, -1, -1,
+ 10, -1
+};
+
+/* YYRLINE[YYN] -- source line where rule number YYN was defined. */
+static const yytype_uint16 yyrline[] =
+{
+ 0, 188, 188, 189, 192, 195, 198, 201, 204, 207,
+ 210, 216, 222, 231, 237, 249, 252, 256, 261, 265,
+ 269, 275, 279, 297, 303, 309, 313, 318, 322, 329,
+ 337, 340, 343, 346, 349, 352, 355, 358, 361, 364,
+ 367, 370, 373, 376, 379, 382, 385, 388, 391, 396,
+ 430, 433
+};
+#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", "$undefined", "tAGO", "tDAY", "tDAY_UNIT", "tDAYZONE",
+ "tDST", "tHOUR_UNIT", "tID", "tMERIDIAN", "tMINUTE_UNIT", "tMONTH",
+ "tMONTH_UNIT", "tSEC_UNIT", "tSNUMBER", "tUNUMBER", "tYEAR_UNIT",
+ "tZONE", "':'", "','", "'/'", "$accept", "spec", "item", "time", "zone",
+ "day", "date", "rel", "relunit", "number", "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, 267, 268, 269, 270, 271, 272, 273, 58,
+ 44, 47
+};
+# endif
+
+/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
+static const yytype_uint8 yyr1[] =
+{
+ 0, 22, 23, 23, 24, 24, 24, 24, 24, 24,
+ 25, 25, 25, 25, 25, 26, 26, 26, 27, 27,
+ 27, 28, 28, 28, 28, 28, 28, 28, 28, 29,
+ 29, 30, 30, 30, 30, 30, 30, 30, 30, 30,
+ 30, 30, 30, 30, 30, 30, 30, 30, 30, 31,
+ 32, 32
+};
+
+/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
+static const yytype_uint8 yyr2[] =
+{
+ 0, 2, 0, 2, 1, 1, 1, 1, 1, 1,
+ 2, 4, 4, 6, 6, 1, 1, 2, 1, 2,
+ 2, 3, 5, 3, 3, 2, 4, 2, 3, 2,
+ 1, 2, 2, 1, 2, 2, 1, 2, 2, 1,
+ 2, 2, 1, 2, 2, 1, 2, 2, 1, 1,
+ 0, 1
+};
+
+/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
+ STATE-NUM when YYTABLE doesn't specify something else to do. Zero
+ means the default is an error. */
+static const yytype_uint8 yydefact[] =
+{
+ 2, 0, 1, 18, 39, 16, 42, 45, 0, 36,
+ 48, 0, 49, 33, 15, 3, 4, 5, 7, 6,
+ 8, 30, 9, 19, 25, 38, 41, 44, 35, 47,
+ 32, 20, 37, 40, 10, 43, 27, 34, 46, 0,
+ 31, 0, 0, 17, 29, 0, 24, 28, 23, 50,
+ 21, 26, 51, 12, 0, 11, 0, 50, 22, 14,
+ 13
+};
+
+/* YYDEFGOTO[NTERM-NUM]. */
+static const yytype_int8 yydefgoto[] =
+{
+ -1, 1, 15, 16, 17, 18, 19, 20, 21, 22,
+ 55
+};
+
+/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
+ STATE-NUM. */
+#define YYPACT_NINF -20
+static const yytype_int8 yypact[] =
+{
+ -20, 0, -20, -19, -20, -20, -20, -20, -13, -20,
+ -20, 30, 15, -20, 14, -20, -20, -20, -20, -20,
+ -20, 19, -20, -20, 4, -20, -20, -20, -20, -20,
+ -20, -20, -20, -20, -20, -20, -6, -20, -20, 16,
+ -20, 17, 23, -20, -20, 24, -20, -20, -20, 27,
+ 28, -20, -20, -20, 29, -20, 32, -8, -20, -20,
+ -20
+};
+
+/* YYPGOTO[NTERM-NUM]. */
+static const yytype_int8 yypgoto[] =
+{
+ -20, -20, -20, -20, -20, -20, -20, -20, -20, -20,
+ -7
+};
+
+/* 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 zero, do what YYDEFACT says.
+ If YYTABLE_NINF, syntax error. */
+#define YYTABLE_NINF -1
+static const yytype_uint8 yytable[] =
+{
+ 2, 23, 52, 24, 3, 4, 5, 59, 6, 46,
+ 47, 7, 8, 9, 10, 11, 12, 13, 14, 31,
+ 32, 43, 44, 33, 45, 34, 35, 36, 37, 38,
+ 39, 48, 40, 49, 41, 25, 42, 52, 26, 50,
+ 51, 27, 53, 28, 29, 57, 54, 30, 58, 56,
+ 60
+};
+
+static const yytype_uint8 yycheck[] =
+{
+ 0, 20, 10, 16, 4, 5, 6, 15, 8, 15,
+ 16, 11, 12, 13, 14, 15, 16, 17, 18, 4,
+ 5, 7, 3, 8, 20, 10, 11, 12, 13, 14,
+ 15, 15, 17, 16, 19, 5, 21, 10, 8, 16,
+ 16, 11, 15, 13, 14, 16, 19, 17, 16, 21,
+ 57
+};
+
+/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
+ symbol of state STATE-NUM. */
+static const yytype_uint8 yystos[] =
+{
+ 0, 23, 0, 4, 5, 6, 8, 11, 12, 13,
+ 14, 15, 16, 17, 18, 24, 25, 26, 27, 28,
+ 29, 30, 31, 20, 16, 5, 8, 11, 13, 14,
+ 17, 4, 5, 8, 10, 11, 12, 13, 14, 15,
+ 17, 19, 21, 7, 3, 20, 15, 16, 15, 16,
+ 16, 16, 10, 15, 19, 32, 21, 16, 16, 15,
+ 32
+};
+
+#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. */
+
+#define YYFAIL goto yyerrlab
+
+#define YYRECOVERING() (!!yyerrstatus)
+
+#define YYBACKUP(Token, Value) \
+do \
+ if (yychar == YYEMPTY && yylen == 1) \
+ { \
+ yychar = (Token); \
+ yylval = (Value); \
+ yytoken = YYTRANSLATE (yychar); \
+ 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
+
+
+/* YY_LOCATION_PRINT -- Print the location on the stream.
+ This macro was not mandated originally: define only if we know
+ we won't break user code: when these are the locations we know. */
+
+#ifndef YY_LOCATION_PRINT
+# if YYLTYPE_IS_TRIVIAL
+# define YY_LOCATION_PRINT(File, Loc) \
+ fprintf (File, "%d.%d-%d.%d", \
+ (Loc).first_line, (Loc).first_column, \
+ (Loc).last_line, (Loc).last_column)
+# else
+# define YY_LOCATION_PRINT(File, Loc) ((void) 0)
+# endif
+#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 <stdio.h> /* 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 YYRESULT an error message about the unexpected token
+ YYCHAR while in state YYSTATE. Return the number of bytes copied,
+ including the terminating null byte. If YYRESULT is null, do not
+ copy anything; just return the number of bytes that would be
+ copied. As a special case, return 0 if an ordinary "syntax error"
+ message will do. Return YYSIZE_MAXIMUM if overflow occurs during
+ size calculation. */
+static YYSIZE_T
+yysyntax_error (char *yyresult, int yystate, int yychar)
+{
+ int yyn = yypact[yystate];
+
+ if (! (YYPACT_NINF < yyn && yyn <= YYLAST))
+ return 0;
+ else
+ {
+ int yytype = YYTRANSLATE (yychar);
+ YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]);
+ YYSIZE_T yysize = yysize0;
+ YYSIZE_T yysize1;
+ int yysize_overflow = 0;
+ enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 };
+ char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];
+ int yyx;
+
+# if 0
+ /* This is so xgettext sees the translatable formats that are
+ constructed on the fly. */
+ YY_("syntax error, unexpected %s");
+ YY_("syntax error, unexpected %s, expecting %s");
+ YY_("syntax error, unexpected %s, expecting %s or %s");
+ YY_("syntax error, unexpected %s, expecting %s or %s or %s");
+ YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s");
+# endif
+ char *yyfmt;
+ char const *yyf;
+ static char const yyunexpected[] = "syntax error, unexpected %s";
+ static char const yyexpecting[] = ", expecting %s";
+ static char const yyor[] = " or %s";
+ char yyformat[sizeof yyunexpected
+ + sizeof yyexpecting - 1
+ + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2)
+ * (sizeof yyor - 1))];
+ char const *yyprefix = yyexpecting;
+
+ /* Start YYX at -YYN if negative to avoid negative indexes in
+ YYCHECK. */
+ 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 yycount = 1;
+
+ yyarg[0] = yytname[yytype];
+ yyfmt = yystpcpy (yyformat, yyunexpected);
+
+ for (yyx = yyxbegin; yyx < yyxend; ++yyx)
+ if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
+ {
+ if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
+ {
+ yycount = 1;
+ yysize = yysize0;
+ yyformat[sizeof yyunexpected - 1] = '\0';
+ break;
+ }
+ yyarg[yycount++] = yytname[yyx];
+ yysize1 = yysize + yytnamerr (0, yytname[yyx]);
+ yysize_overflow |= (yysize1 < yysize);
+ yysize = yysize1;
+ yyfmt = yystpcpy (yyfmt, yyprefix);
+ yyprefix = yyor;
+ }
+
+ yyf = YY_(yyformat);
+ yysize1 = yysize + yystrlen (yyf);
+ yysize_overflow |= (yysize1 < yysize);
+ yysize = yysize1;
+
+ if (yysize_overflow)
+ return YYSIZE_MAXIMUM;
+
+ if (yyresult)
+ {
+ /* 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 = yyresult;
+ int yyi = 0;
+ while ((*yyp = *yyf) != '\0')
+ {
+ if (*yyp == '%' && yyf[1] == 's' && yyi < yycount)
+ {
+ yyp += yytnamerr (yyp, yyarg[yyi++]);
+ yyf += 2;
+ }
+ else
+ {
+ yyp++;
+ yyf++;
+ }
+ }
+ }
+ return yysize;
+ }
+}
+#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 or yypush_parse. |
+`-------------------------*/
+
+#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 (yyn == YYPACT_NINF)
+ 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 (yyn == 0 || yyn == YYTABLE_NINF)
+ 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 1455 of yacc.c */
+#line 192 "getdate.y"
+ {
+ yyHaveTime++;
+ }
+ break;
+
+ case 5:
+
+/* Line 1455 of yacc.c */
+#line 195 "getdate.y"
+ {
+ yyHaveZone++;
+ }
+ break;
+
+ case 6:
+
+/* Line 1455 of yacc.c */
+#line 198 "getdate.y"
+ {
+ yyHaveDate++;
+ }
+ break;
+
+ case 7:
+
+/* Line 1455 of yacc.c */
+#line 201 "getdate.y"
+ {
+ yyHaveDay++;
+ }
+ break;
+
+ case 8:
+
+/* Line 1455 of yacc.c */
+#line 204 "getdate.y"
+ {
+ yyHaveRel++;
+ }
+ break;
+
+ case 10:
+
+/* Line 1455 of yacc.c */
+#line 210 "getdate.y"
+ {
+ yyHour = (yyvsp[(1) - (2)].Number);
+ yyMinutes = 0;
+ yySeconds = 0;
+ yyMeridian = (yyvsp[(2) - (2)].Meridian);
+ }
+ break;
+
+ case 11:
+
+/* Line 1455 of yacc.c */
+#line 216 "getdate.y"
+ {
+ yyHour = (yyvsp[(1) - (4)].Number);
+ yyMinutes = (yyvsp[(3) - (4)].Number);
+ yySeconds = 0;
+ yyMeridian = (yyvsp[(4) - (4)].Meridian);
+ }
+ break;
+
+ case 12:
+
+/* Line 1455 of yacc.c */
+#line 222 "getdate.y"
+ {
+ yyHour = (yyvsp[(1) - (4)].Number);
+ yyMinutes = (yyvsp[(3) - (4)].Number);
+ yyMeridian = MER24;
+ yyHaveZone++;
+ yyTimezone = ((yyvsp[(4) - (4)].Number) < 0
+ ? -(yyvsp[(4) - (4)].Number) % 100 + (-(yyvsp[(4) - (4)].Number) / 100) * 60
+ : - ((yyvsp[(4) - (4)].Number) % 100 + ((yyvsp[(4) - (4)].Number) / 100) * 60));
+ }
+ break;
+
+ case 13:
+
+/* Line 1455 of yacc.c */
+#line 231 "getdate.y"
+ {
+ yyHour = (yyvsp[(1) - (6)].Number);
+ yyMinutes = (yyvsp[(3) - (6)].Number);
+ yySeconds = (yyvsp[(5) - (6)].Number);
+ yyMeridian = (yyvsp[(6) - (6)].Meridian);
+ }
+ break;
+
+ case 14:
+
+/* Line 1455 of yacc.c */
+#line 237 "getdate.y"
+ {
+ yyHour = (yyvsp[(1) - (6)].Number);
+ yyMinutes = (yyvsp[(3) - (6)].Number);
+ yySeconds = (yyvsp[(5) - (6)].Number);
+ yyMeridian = MER24;
+ yyHaveZone++;
+ yyTimezone = ((yyvsp[(6) - (6)].Number) < 0
+ ? -(yyvsp[(6) - (6)].Number) % 100 + (-(yyvsp[(6) - (6)].Number) / 100) * 60
+ : - ((yyvsp[(6) - (6)].Number) % 100 + ((yyvsp[(6) - (6)].Number) / 100) * 60));
+ }
+ break;
+
+ case 15:
+
+/* Line 1455 of yacc.c */
+#line 249 "getdate.y"
+ {
+ yyTimezone = (yyvsp[(1) - (1)].Number);
+ }
+ break;
+
+ case 16:
+
+/* Line 1455 of yacc.c */
+#line 252 "getdate.y"
+ {
+ yyTimezone = (yyvsp[(1) - (1)].Number) - 60;
+ }
+ break;
+
+ case 17:
+
+/* Line 1455 of yacc.c */
+#line 256 "getdate.y"
+ {
+ yyTimezone = (yyvsp[(1) - (2)].Number) - 60;
+ }
+ break;
+
+ case 18:
+
+/* Line 1455 of yacc.c */
+#line 261 "getdate.y"
+ {
+ yyDayOrdinal = 1;
+ yyDayNumber = (yyvsp[(1) - (1)].Number);
+ }
+ break;
+
+ case 19:
+
+/* Line 1455 of yacc.c */
+#line 265 "getdate.y"
+ {
+ yyDayOrdinal = 1;
+ yyDayNumber = (yyvsp[(1) - (2)].Number);
+ }
+ break;
+
+ case 20:
+
+/* Line 1455 of yacc.c */
+#line 269 "getdate.y"
+ {
+ yyDayOrdinal = (yyvsp[(1) - (2)].Number);
+ yyDayNumber = (yyvsp[(2) - (2)].Number);
+ }
+ break;
+
+ case 21:
+
+/* Line 1455 of yacc.c */
+#line 275 "getdate.y"
+ {
+ yyMonth = (yyvsp[(1) - (3)].Number);
+ yyDay = (yyvsp[(3) - (3)].Number);
+ }
+ break;
+
+ case 22:
+
+/* Line 1455 of yacc.c */
+#line 279 "getdate.y"
+ {
+ /* Interpret as YYYY/MM/DD if $1 >= 1000, otherwise as MM/DD/YY.
+ The goal in recognizing YYYY/MM/DD is solely to support legacy
+ machine-generated dates like those in an RCS log listing. If
+ you want portability, use the ISO 8601 format. */
+ if ((yyvsp[(1) - (5)].Number) >= 1000)
+ {
+ 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 23:
+
+/* Line 1455 of yacc.c */
+#line 297 "getdate.y"
+ {
+ /* ISO 8601 format. yyyy-mm-dd. */
+ yyYear = (yyvsp[(1) - (3)].Number);
+ yyMonth = -(yyvsp[(2) - (3)].Number);
+ yyDay = -(yyvsp[(3) - (3)].Number);
+ }
+ break;
+
+ case 24:
+
+/* Line 1455 of yacc.c */
+#line 303 "getdate.y"
+ {
+ /* e.g. 17-JUN-1992. */
+ yyDay = (yyvsp[(1) - (3)].Number);
+ yyMonth = (yyvsp[(2) - (3)].Number);
+ yyYear = -(yyvsp[(3) - (3)].Number);
+ }
+ break;
+
+ case 25:
+
+/* Line 1455 of yacc.c */
+#line 309 "getdate.y"
+ {
+ yyMonth = (yyvsp[(1) - (2)].Number);
+ yyDay = (yyvsp[(2) - (2)].Number);
+ }
+ break;
+
+ case 26:
+
+/* Line 1455 of yacc.c */
+#line 313 "getdate.y"
+ {
+ yyMonth = (yyvsp[(1) - (4)].Number);
+ yyDay = (yyvsp[(2) - (4)].Number);
+ yyYear = (yyvsp[(4) - (4)].Number);
+ }
+ break;
+
+ case 27:
+
+/* Line 1455 of yacc.c */
+#line 318 "getdate.y"
+ {
+ yyMonth = (yyvsp[(2) - (2)].Number);
+ yyDay = (yyvsp[(1) - (2)].Number);
+ }
+ break;
+
+ case 28:
+
+/* Line 1455 of yacc.c */
+#line 322 "getdate.y"
+ {
+ yyMonth = (yyvsp[(2) - (3)].Number);
+ yyDay = (yyvsp[(1) - (3)].Number);
+ yyYear = (yyvsp[(3) - (3)].Number);
+ }
+ break;
+
+ case 29:
+
+/* Line 1455 of yacc.c */
+#line 329 "getdate.y"
+ {
+ yyRelSeconds = -yyRelSeconds;
+ yyRelMinutes = -yyRelMinutes;
+ yyRelHour = -yyRelHour;
+ yyRelDay = -yyRelDay;
+ yyRelMonth = -yyRelMonth;
+ yyRelYear = -yyRelYear;
+ }
+ break;
+
+ case 31:
+
+/* Line 1455 of yacc.c */
+#line 340 "getdate.y"
+ {
+ yyRelYear += (yyvsp[(1) - (2)].Number) * (yyvsp[(2) - (2)].Number);
+ }
+ break;
+
+ case 32:
+
+/* Line 1455 of yacc.c */
+#line 343 "getdate.y"
+ {
+ yyRelYear += (yyvsp[(1) - (2)].Number) * (yyvsp[(2) - (2)].Number);
+ }
+ break;
+
+ case 33:
+
+/* Line 1455 of yacc.c */
+#line 346 "getdate.y"
+ {
+ yyRelYear++;
+ }
+ break;
+
+ case 34:
+
+/* Line 1455 of yacc.c */
+#line 349 "getdate.y"
+ {
+ yyRelMonth += (yyvsp[(1) - (2)].Number) * (yyvsp[(2) - (2)].Number);
+ }
+ break;
+
+ case 35:
+
+/* Line 1455 of yacc.c */
+#line 352 "getdate.y"
+ {
+ yyRelMonth += (yyvsp[(1) - (2)].Number) * (yyvsp[(2) - (2)].Number);
+ }
+ break;
+
+ case 36:
+
+/* Line 1455 of yacc.c */
+#line 355 "getdate.y"
+ {
+ yyRelMonth++;
+ }
+ break;
+
+ case 37:
+
+/* Line 1455 of yacc.c */
+#line 358 "getdate.y"
+ {
+ yyRelDay += (yyvsp[(1) - (2)].Number) * (yyvsp[(2) - (2)].Number);
+ }
+ break;
+
+ case 38:
+
+/* Line 1455 of yacc.c */
+#line 361 "getdate.y"
+ {
+ yyRelDay += (yyvsp[(1) - (2)].Number) * (yyvsp[(2) - (2)].Number);
+ }
+ break;
+
+ case 39:
+
+/* Line 1455 of yacc.c */
+#line 364 "getdate.y"
+ {
+ yyRelDay++;
+ }
+ break;
+
+ case 40:
+
+/* Line 1455 of yacc.c */
+#line 367 "getdate.y"
+ {
+ yyRelHour += (yyvsp[(1) - (2)].Number) * (yyvsp[(2) - (2)].Number);
+ }
+ break;
+
+ case 41:
+
+/* Line 1455 of yacc.c */
+#line 370 "getdate.y"
+ {
+ yyRelHour += (yyvsp[(1) - (2)].Number) * (yyvsp[(2) - (2)].Number);
+ }
+ break;
+
+ case 42:
+
+/* Line 1455 of yacc.c */
+#line 373 "getdate.y"
+ {
+ yyRelHour++;
+ }
+ break;
+
+ case 43:
+
+/* Line 1455 of yacc.c */
+#line 376 "getdate.y"
+ {
+ yyRelMinutes += (yyvsp[(1) - (2)].Number) * (yyvsp[(2) - (2)].Number);
+ }
+ break;
+
+ case 44:
+
+/* Line 1455 of yacc.c */
+#line 379 "getdate.y"
+ {
+ yyRelMinutes += (yyvsp[(1) - (2)].Number) * (yyvsp[(2) - (2)].Number);
+ }
+ break;
+
+ case 45:
+
+/* Line 1455 of yacc.c */
+#line 382 "getdate.y"
+ {
+ yyRelMinutes++;
+ }
+ break;
+
+ case 46:
+
+/* Line 1455 of yacc.c */
+#line 385 "getdate.y"
+ {
+ yyRelSeconds += (yyvsp[(1) - (2)].Number) * (yyvsp[(2) - (2)].Number);
+ }
+ break;
+
+ case 47:
+
+/* Line 1455 of yacc.c */
+#line 388 "getdate.y"
+ {
+ yyRelSeconds += (yyvsp[(1) - (2)].Number) * (yyvsp[(2) - (2)].Number);
+ }
+ break;
+
+ case 48:
+
+/* Line 1455 of yacc.c */
+#line 391 "getdate.y"
+ {
+ yyRelSeconds++;
+ }
+ break;
+
+ case 49:
+
+/* Line 1455 of yacc.c */
+#line 397 "getdate.y"
+ {
+ if ((yyHaveTime != 0) && (yyHaveDate != 0) && (yyHaveRel == 0))
+ yyYear = (yyvsp[(1) - (1)].Number);
+ else
+ {
+ if ((yyvsp[(1) - (1)].Number)>10000)
+ {
+ yyHaveDate++;
+ yyDay= ((yyvsp[(1) - (1)].Number))%100;
+ yyMonth= ((yyvsp[(1) - (1)].Number)/100)%100;
+ yyYear = (yyvsp[(1) - (1)].Number)/10000;
+ }
+ else
+ {
+ yyHaveTime++;
+ if ((yyvsp[(1) - (1)].Number) < 100)
+ {
+ yyHour = (yyvsp[(1) - (1)].Number);
+ yyMinutes = 0;
+ }
+ else
+ {
+ yyHour = (yyvsp[(1) - (1)].Number) / 100;
+ yyMinutes = (yyvsp[(1) - (1)].Number) % 100;
+ }
+ yySeconds = 0;
+ yyMeridian = MER24;
+ }
+ }
+ }
+ break;
+
+ case 50:
+
+/* Line 1455 of yacc.c */
+#line 430 "getdate.y"
+ {
+ (yyval.Meridian) = MER24;
+ }
+ break;
+
+ case 51:
+
+/* Line 1455 of yacc.c */
+#line 434 "getdate.y"
+ {
+ (yyval.Meridian) = (yyvsp[(1) - (1)].Meridian);
+ }
+ break;
+
+
+
+/* Line 1455 of yacc.c */
+#line 2084 "getdate.c"
+ default: break;
+ }
+ 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:
+ /* If not already recovering from an error, report this error. */
+ if (!yyerrstatus)
+ {
+ ++yynerrs;
+#if ! YYERROR_VERBOSE
+ yyerror (YY_("syntax error"));
+#else
+ {
+ YYSIZE_T yysize = yysyntax_error (0, yystate, yychar);
+ if (yymsg_alloc < yysize && yymsg_alloc < YYSTACK_ALLOC_MAXIMUM)
+ {
+ YYSIZE_T yyalloc = 2 * yysize;
+ if (! (yysize <= yyalloc && yyalloc <= YYSTACK_ALLOC_MAXIMUM))
+ yyalloc = YYSTACK_ALLOC_MAXIMUM;
+ if (yymsg != yymsgbuf)
+ YYSTACK_FREE (yymsg);
+ yymsg = (char *) YYSTACK_ALLOC (yyalloc);
+ if (yymsg)
+ yymsg_alloc = yyalloc;
+ else
+ {
+ yymsg = yymsgbuf;
+ yymsg_alloc = sizeof yymsgbuf;
+ }
+ }
+
+ if (0 < yysize && yysize <= yymsg_alloc)
+ {
+ (void) yysyntax_error (yymsg, yystate, yychar);
+ yyerror (yymsg);
+ }
+ else
+ {
+ yyerror (YY_("syntax error"));
+ if (yysize != 0)
+ goto yyexhaustedlab;
+ }
+ }
+#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;
+
+
+/*---------------------------------------------------.
+| 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;
+
+ /* 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;
+
+
+/*-------------------------------------------------------------.
+| yyerrlab1 -- common code for both syntax error and YYERROR. |
+`-------------------------------------------------------------*/
+yyerrlab1:
+ yyerrstatus = 3; /* Each real token shifted decrements this. */
+
+ for (;;)
+ {
+ yyn = yypact[yystate];
+ if (yyn != YYPACT_NINF)
+ {
+ yyn += YYTERROR;
+ if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)
+ {
+ yyn = yytable[yyn];
+ if (0 < yyn)
+ break;
+ }
+ }
+
+ /* Pop the current state because it cannot handle the error token. */
+ if (yyssp == yyss)
+ YYABORT;
+
+
+ yydestruct ("Error: popping",
+ yystos[yystate], yyvsp);
+ YYPOPSTACK (1);
+ yystate = *yyssp;
+ YY_STACK_PRINT (yyss, yyssp);
+ }
+
+ *++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
+
+yyreturn:
+ if (yychar != YYEMPTY)
+ 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
+ /* Make sure YYID is used. */
+ return YYID (yyresult);
+}
+
+
+
+/* Line 1675 of yacc.c */
+#line 439 "getdate.y"
+
+
+/* Month and day table. */
+static TABLE const MonthDayTable[] = {
+ { "january", tMONTH, 1 },
+ { "february", tMONTH, 2 },
+ { "march", tMONTH, 3 },
+ { "april", tMONTH, 4 },
+ { "may", tMONTH, 5 },
+ { "june", tMONTH, 6 },
+ { "july", tMONTH, 7 },
+ { "august", tMONTH, 8 },
+ { "september", tMONTH, 9 },
+ { "sept", tMONTH, 9 },
+ { "october", tMONTH, 10 },
+ { "november", tMONTH, 11 },
+ { "december", tMONTH, 12 },
+ { "sunday", tDAY, 0 },
+ { "monday", tDAY, 1 },
+ { "tuesday", tDAY, 2 },
+ { "tues", tDAY, 2 },
+ { "wednesday", tDAY, 3 },
+ { "wednes", tDAY, 3 },
+ { "thursday", tDAY, 4 },
+ { "thur", tDAY, 4 },
+ { "thurs", tDAY, 4 },
+ { "friday", tDAY, 5 },
+ { "saturday", tDAY, 6 },
+ { NULL, 0, 0 }
+};
+
+/* Time units table. */
+static TABLE const UnitsTable[] = {
+ { "year", tYEAR_UNIT, 1 },
+ { "month", tMONTH_UNIT, 1 },
+ { "fortnight", tDAY_UNIT, 14 },
+ { "week", tDAY_UNIT, 7 },
+ { "day", tDAY_UNIT, 1 },
+ { "hour", tHOUR_UNIT, 1 },
+ { "minute", tMINUTE_UNIT, 1 },
+ { "min", tMINUTE_UNIT, 1 },
+ { "second", tSEC_UNIT, 1 },
+ { "sec", tSEC_UNIT, 1 },
+ { NULL, 0, 0 }
+};
+
+/* Assorted relative-time words. */
+static TABLE const OtherTable[] = {
+ { "tomorrow", tMINUTE_UNIT, 1 * 24 * 60 },
+ { "yesterday", tMINUTE_UNIT, -1 * 24 * 60 },
+ { "today", tMINUTE_UNIT, 0 },
+ { "now", tMINUTE_UNIT, 0 },
+ { "last", tUNUMBER, -1 },
+ { "this", tMINUTE_UNIT, 0 },
+ { "next", tUNUMBER, 2 },
+ { "first", tUNUMBER, 1 },
+/* { "second", tUNUMBER, 2 }, */
+ { "third", tUNUMBER, 3 },
+ { "fourth", tUNUMBER, 4 },
+ { "fifth", tUNUMBER, 5 },
+ { "sixth", tUNUMBER, 6 },
+ { "seventh", tUNUMBER, 7 },
+ { "eighth", tUNUMBER, 8 },
+ { "ninth", tUNUMBER, 9 },
+ { "tenth", tUNUMBER, 10 },
+ { "eleventh", tUNUMBER, 11 },
+ { "twelfth", tUNUMBER, 12 },
+ { "ago", tAGO, 1 },
+ { NULL, 0, 0 }
+};
+
+/* The timezone table. */
+static TABLE const TimezoneTable[] = {
+ { "gmt", tZONE, HOUR ( 0) }, /* Greenwich Mean */
+ { "ut", tZONE, HOUR ( 0) }, /* Universal (Coordinated) */
+ { "utc", tZONE, HOUR ( 0) },
+ { "wet", tZONE, HOUR ( 0) }, /* Western European */
+ { "bst", tDAYZONE, HOUR ( 0) }, /* British Summer */
+ { "wat", tZONE, HOUR ( 1) }, /* West Africa */
+ { "at", tZONE, HOUR ( 2) }, /* Azores */
+ { "ast", tZONE, HOUR ( 4) }, /* Atlantic Standard */
+ { "adt", tDAYZONE, HOUR ( 4) }, /* Atlantic Daylight */
+ { "est", tZONE, HOUR ( 5) }, /* Eastern Standard */
+ { "edt", tDAYZONE, HOUR ( 5) }, /* Eastern Daylight */
+ { "cst", tZONE, HOUR ( 6) }, /* Central Standard */
+ { "cdt", tDAYZONE, HOUR ( 6) }, /* Central Daylight */
+ { "mst", tZONE, HOUR ( 7) }, /* Mountain Standard */
+ { "mdt", tDAYZONE, HOUR ( 7) }, /* Mountain Daylight */
+ { "pst", tZONE, HOUR ( 8) }, /* Pacific Standard */
+ { "pdt", tDAYZONE, HOUR ( 8) }, /* Pacific Daylight */
+ { "yst", tZONE, HOUR ( 9) }, /* Yukon Standard */
+ { "ydt", tDAYZONE, HOUR ( 9) }, /* Yukon Daylight */
+ { "hst", tZONE, HOUR (10) }, /* Hawaii Standard */
+ { "hdt", tDAYZONE, HOUR (10) }, /* Hawaii Daylight */
+ { "cat", tZONE, HOUR (10) }, /* Central Alaska */
+ { "ahst", tZONE, HOUR (10) }, /* Alaska-Hawaii Standard */
+ { "nt", tZONE, HOUR (11) }, /* Nome */
+ { "idlw", tZONE, HOUR (12) }, /* International Date Line West */
+ { "cet", tZONE, -HOUR (1) }, /* Central European */
+ { "met", tZONE, -HOUR (1) }, /* Middle European */
+ { "mewt", tZONE, -HOUR (1) }, /* Middle European Winter */
+ { "mest", tDAYZONE, -HOUR (1) }, /* Middle European Summer */
+ { "mesz", tDAYZONE, -HOUR (1) }, /* Middle European Summer */
+ { "swt", tZONE, -HOUR (1) }, /* Swedish Winter */
+ { "sst", tDAYZONE, -HOUR (1) }, /* Swedish Summer */
+ { "fwt", tZONE, -HOUR (1) }, /* French Winter */
+ { "fst", tDAYZONE, -HOUR (1) }, /* French Summer */
+ { "eet", tZONE, -HOUR (2) }, /* Eastern Europe, USSR Zone 1 */
+ { "bt", tZONE, -HOUR (3) }, /* Baghdad, USSR Zone 2 */
+ { "zp4", tZONE, -HOUR (4) }, /* USSR Zone 3 */
+ { "zp5", tZONE, -HOUR (5) }, /* USSR Zone 4 */
+ { "zp6", tZONE, -HOUR (6) }, /* USSR Zone 5 */
+ { "wast", tZONE, -HOUR (7) }, /* West Australian Standard */
+ { "wadt", tDAYZONE, -HOUR (7) }, /* West Australian Daylight */
+ { "cct", tZONE, -HOUR (8) }, /* China Coast, USSR Zone 7 */
+ { "jst", tZONE, -HOUR (9) }, /* Japan Standard, USSR Zone 8 */
+ { "east", tZONE, -HOUR (10) }, /* Eastern Australian Standard */
+ { "eadt", tDAYZONE, -HOUR (10) }, /* Eastern Australian Daylight */
+ { "gst", tZONE, -HOUR (10) }, /* Guam Standard, USSR Zone 9 */
+ { "nzt", tZONE, -HOUR (12) }, /* New Zealand */
+ { "nzst", tZONE, -HOUR (12) }, /* New Zealand Standard */
+ { "nzdt", tDAYZONE, -HOUR (12) }, /* New Zealand Daylight */
+ { "idle", tZONE, -HOUR (12) }, /* International Date Line East */
+ { NULL, 0, 0 }
+};
+
+/* Military timezone table. */
+static TABLE const MilitaryTable[] = {
+ { "a", tZONE, HOUR ( 1) },
+ { "b", tZONE, HOUR ( 2) },
+ { "c", tZONE, HOUR ( 3) },
+ { "d", tZONE, HOUR ( 4) },
+ { "e", tZONE, HOUR ( 5) },
+ { "f", tZONE, HOUR ( 6) },
+ { "g", tZONE, HOUR ( 7) },
+ { "h", tZONE, HOUR ( 8) },
+ { "i", tZONE, HOUR ( 9) },
+ { "k", tZONE, HOUR ( 10) },
+ { "l", tZONE, HOUR ( 11) },
+ { "m", tZONE, HOUR ( 12) },
+ { "n", tZONE, HOUR (- 1) },
+ { "o", tZONE, HOUR (- 2) },
+ { "p", tZONE, HOUR (- 3) },
+ { "q", tZONE, HOUR (- 4) },
+ { "r", tZONE, HOUR (- 5) },
+ { "s", tZONE, HOUR (- 6) },
+ { "t", tZONE, HOUR (- 7) },
+ { "u", tZONE, HOUR (- 8) },
+ { "v", tZONE, HOUR (- 9) },
+ { "w", tZONE, HOUR (-10) },
+ { "x", tZONE, HOUR (-11) },
+ { "y", tZONE, HOUR (-12) },
+ { "z", tZONE, HOUR ( 0) },
+ { NULL, 0, 0 }
+};
+
+
+
+
+static int yyerror (unused const char *s)
+{
+ return 0;
+}
+
+static int ToHour (int Hours, MERIDIAN Meridian)
+{
+ switch (Meridian)
+ {
+ case MER24:
+ if (Hours < 0 || Hours > 23)
+ return -1;
+ return Hours;
+ case MERam:
+ if (Hours < 1 || Hours > 12)
+ return -1;
+ if (Hours == 12)
+ Hours = 0;
+ return Hours;
+ case MERpm:
+ if (Hours < 1 || Hours > 12)
+ return -1;
+ if (Hours == 12)
+ Hours = 0;
+ return Hours + 12;
+ default:
+ abort ();
+ }
+ /* NOTREACHED */
+}
+
+static int ToYear (int Year)
+{
+ if (Year < 0)
+ Year = -Year;
+
+ /* XPG4 suggests that years 00-68 map to 2000-2068, and
+ years 69-99 map to 1969-1999. */
+ if (Year < 69)
+ Year += 2000;
+ else if (Year < 100)
+ Year += 1900;
+
+ return Year;
+}
+
+static int LookupWord (char *buff)
+{
+ register char *p;
+ register char *q;
+ register const TABLE *tp;
+ int i;
+ bool abbrev;
+
+ /* Make it lowercase. */
+ for (p = buff; '\0' != *p; p++)
+ if (ISUPPER (*p))
+ *p = tolower (*p);
+
+ if (strcmp (buff, "am") == 0 || strcmp (buff, "a.m.") == 0)
+ {
+ yylval.Meridian = MERam;
+ return tMERIDIAN;
+ }
+ if (strcmp (buff, "pm") == 0 || strcmp (buff, "p.m.") == 0)
+ {
+ yylval.Meridian = MERpm;
+ return tMERIDIAN;
+ }
+
+ /* See if we have an abbreviation for a month. */
+ if (strlen (buff) == 3)
+ abbrev = true;
+ else if (strlen (buff) == 4 && buff[3] == '.')
+ {
+ abbrev = true;
+ buff[3] = '\0';
+ }
+ else
+ abbrev = false;
+
+ for (tp = MonthDayTable; tp->name; tp++)
+ {
+ if (abbrev)
+ {
+ if (strncmp (buff, tp->name, 3) == 0)
+ {
+ yylval.Number = tp->value;
+ return tp->type;
+ }
+ }
+ else if (strcmp (buff, tp->name) == 0)
+ {
+ yylval.Number = tp->value;
+ return tp->type;
+ }
+ }
+
+ for (tp = TimezoneTable; tp->name; tp++)
+ if (strcmp (buff, tp->name) == 0)
+ {
+ yylval.Number = tp->value;
+ return tp->type;
+ }
+
+ if (strcmp (buff, "dst") == 0)
+ return tDST;
+
+ for (tp = UnitsTable; tp->name; tp++)
+ if (strcmp (buff, tp->name) == 0)
+ {
+ yylval.Number = tp->value;
+ return tp->type;
+ }
+
+ /* Strip off any plural and try the units table again. */
+ i = strlen (buff) - 1;
+ if (buff[i] == 's')
+ {
+ buff[i] = '\0';
+ for (tp = UnitsTable; tp->name; tp++)
+ if (strcmp (buff, tp->name) == 0)
+ {
+ yylval.Number = tp->value;
+ return tp->type;
+ }
+ buff[i] = 's'; /* Put back for "this" in OtherTable. */
+ }
+
+ for (tp = OtherTable; tp->name; tp++)
+ if (strcmp (buff, tp->name) == 0)
+ {
+ yylval.Number = tp->value;
+ return tp->type;
+ }
+
+ /* Military timezones. */
+ if (buff[1] == '\0' && ISALPHA (*buff))
+ {
+ for (tp = MilitaryTable; tp->name; tp++)
+ if (strcmp (buff, tp->name) == 0)
+ {
+ yylval.Number = tp->value;
+ return tp->type;
+ }
+ }
+
+ /* Drop out any periods and try the timezone table again. */
+ for (i = 0, p = q = buff; '\0' != *q; q++)
+ if (*q != '.')
+ *p++ = *q;
+ else
+ i++;
+ *p = '\0';
+ if (0 != i)
+ for (tp = TimezoneTable; NULL != tp->name; tp++)
+ if (strcmp (buff, tp->name) == 0)
+ {
+ yylval.Number = tp->value;
+ return tp->type;
+ }
+
+ return tID;
+}
+
+static int
+yylex (void)
+{
+ register char c;
+ register char *p;
+ char buff[20];
+ int Count;
+ int sign;
+
+ for (;;)
+ {
+ while (ISSPACE (*yyInput))
+ yyInput++;
+
+ if (ISDIGIT (c = *yyInput) || c == '-' || c == '+')
+ {
+ if (c == '-' || c == '+')
+ {
+ sign = c == '-' ? -1 : 1;
+ if (!ISDIGIT (*++yyInput))
+ /* skip the '-' sign */
+ continue;
+ }
+ else
+ sign = 0;
+ for (yylval.Number = 0; ISDIGIT (c = *yyInput++);)
+ yylval.Number = 10 * yylval.Number + c - '0';
+ yyInput--;
+ if (sign < 0)
+ yylval.Number = -yylval.Number;
+ return (0 != sign) ? tSNUMBER : tUNUMBER;
+ }
+ if (ISALPHA (c))
+ {
+ for (p = buff; (c = *yyInput++, ISALPHA (c)) || c == '.';)
+ if (p < &buff[sizeof buff - 1])
+ *p++ = c;
+ *p = '\0';
+ yyInput--;
+ return LookupWord (buff);
+ }
+ if (c != '(')
+ return *yyInput++;
+ Count = 0;
+ do
+ {
+ c = *yyInput++;
+ if (c == '\0')
+ return c;
+ if (c == '(')
+ Count++;
+ else if (c == ')')
+ Count--;
+ }
+ while (Count > 0);
+ }
+}
+
+#define TM_YEAR_ORIGIN 1900
+
+/* Yield A - B, measured in seconds. */
+static long difftm (struct tm *a, struct tm *b)
+{
+ int ay = a->tm_year + (TM_YEAR_ORIGIN - 1);
+ int by = b->tm_year + (TM_YEAR_ORIGIN - 1);
+ long days = (
+ /* difference in day of year */
+ a->tm_yday - b->tm_yday
+ /* + intervening leap days */
+ + ((ay >> 2) - (by >> 2))
+ - (ay / 100 - by / 100)
+ + ((ay / 100 >> 2) - (by / 100 >> 2))
+ /* + difference in years * 365 */
+ + (long) (ay - by) * 365
+ );
+ return (60 * (60 * (24 * days + (a->tm_hour - b->tm_hour))
+ + (a->tm_min - b->tm_min))
+ + (a->tm_sec - b->tm_sec));
+}
+
+time_t get_date (const char *p, const time_t *now)
+{
+ struct tm tm, tm0, *tmp;
+ time_t Start;
+
+ yyInput = p;
+ Start = now ? *now : time ((time_t *) NULL);
+ tmp = localtime (&Start);
+ yyYear = tmp->tm_year + TM_YEAR_ORIGIN;
+ yyMonth = tmp->tm_mon + 1;
+ yyDay = tmp->tm_mday;
+ yyHour = tmp->tm_hour;
+ yyMinutes = tmp->tm_min;
+ yySeconds = tmp->tm_sec;
+ yyMeridian = MER24;
+ yyRelSeconds = 0;
+ yyRelMinutes = 0;
+ yyRelHour = 0;
+ yyRelDay = 0;
+ yyRelMonth = 0;
+ yyRelYear = 0;
+ yyHaveDate = 0;
+ yyHaveDay = 0;
+ yyHaveRel = 0;
+ yyHaveTime = 0;
+ yyHaveZone = 0;
+
+ if (yyparse ()
+ || yyHaveTime > 1 || yyHaveZone > 1 || yyHaveDate > 1 || yyHaveDay > 1)
+ return -1;
+
+ tm.tm_year = ToYear (yyYear) - TM_YEAR_ORIGIN + yyRelYear;
+ tm.tm_mon = yyMonth - 1 + yyRelMonth;
+ tm.tm_mday = yyDay + yyRelDay;
+ if ((yyHaveTime != 0) ||
+ ( (yyHaveRel != 0) && (yyHaveDate == 0) && (yyHaveDay == 0) ))
+ {
+ tm.tm_hour = ToHour (yyHour, yyMeridian);
+ if (tm.tm_hour < 0)
+ return -1;
+ tm.tm_min = yyMinutes;
+ tm.tm_sec = yySeconds;
+ }
+ else
+ {
+ tm.tm_hour = tm.tm_min = tm.tm_sec = 0;
+ }
+ tm.tm_hour += yyRelHour;
+ tm.tm_min += yyRelMinutes;
+ tm.tm_sec += yyRelSeconds;
+ tm.tm_isdst = -1;
+ tm0 = tm;
+
+ Start = mktime (&tm);
+
+ if (Start == (time_t) -1)
+ {
+
+ /* Guard against falsely reporting errors near the time_t boundaries
+ when parsing times in other time zones. For example, if the min
+ time_t value is 1970-01-01 00:00:00 UTC and we are 8 hours ahead
+ of UTC, then the min localtime value is 1970-01-01 08:00:00; if
+ we apply mktime to 1970-01-01 00:00:00 we will get an error, so
+ we apply mktime to 1970-01-02 08:00:00 instead and adjust the time
+ zone by 24 hours to compensate. This algorithm assumes that
+ there is no DST transition within a day of the time_t boundaries. */
+ if (yyHaveZone)
+ {
+ tm = tm0;
+ if (tm.tm_year <= EPOCH - TM_YEAR_ORIGIN)
+ {
+ tm.tm_mday++;
+ yyTimezone -= 24 * 60;
+ }
+ else
+ {
+ tm.tm_mday--;
+ yyTimezone += 24 * 60;
+ }
+ Start = mktime (&tm);
+ }
+
+ if (Start == (time_t) -1)
+ return Start;
+ }
+
+ if (yyHaveDay && !yyHaveDate)
+ {
+ tm.tm_mday += ((yyDayNumber - tm.tm_wday + 7) % 7
+ + 7 * (yyDayOrdinal - (0 < yyDayOrdinal)));
+ Start = mktime (&tm);
+ if (Start == (time_t) -1)
+ return Start;
+ }
+
+ if (yyHaveZone)
+ {
+ long delta = yyTimezone * 60L + difftm (&tm, gmtime (&Start));
+ if ((Start + delta < Start) != (delta < 0))
+ return -1; /* time_t overflow */
+ Start += delta;
+ }
+
+ return Start;
+}
+
+#if defined (TEST)
+
+/* ARGSUSED */
+int
+main (ac, av)
+ int ac;
+ char *av[];
+{
+ char buff[MAX_BUFF_LEN + 1];
+ time_t d;
+
+ (void) printf ("Enter date, or blank line to exit.\n\t> ");
+ (void) fflush (stdout);
+
+ buff[MAX_BUFF_LEN] = 0;
+ while (fgets (buff, MAX_BUFF_LEN, stdin) && buff[0])
+ {
+ d = get_date (buff, (time_t *) NULL);
+ if (d == -1)
+ (void) printf ("Bad format - couldn't convert.\n");
+ else
+ (void) printf ("%s", ctime (&d));
+ (void) printf ("\t> ");
+ (void) fflush (stdout);
+ }
+ exit (0);
+ /* NOTREACHED */
+}
+#endif /* defined (TEST) */
+
generated by cgit v1.2.3 (git 2.39.1) at 2025-04-27 04:58:17 +0000