getdate.c   [plain text]

#include <stdlib.h>
#include <string.h>
#define YYBYACC 1
#define YYMAJOR 1
#define YYMINOR 9
#define YYLEX yylex()
#define YYEMPTY -1
#define yyclearin (yychar=(YYEMPTY))
#define yyerrok (yyerrflag=0)
#define YYRECOVERING() (yyerrflag!=0)
#define YYPREFIX "yy"
#line 2 "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 10 shift/reduce conflicts.
**
**  This code is in the public domain and has no copyright.
*/
/* SUPPRESS 287 on yaccpar_sccsid *//* Unused static variable */
/* SUPPRESS 288 on yyerrlab *//* Label unused */

#include <config.h>

#include <sys/types.h>
#include <sys/time.h>
#include <stdio.h>
#ifdef STDC_HEADERS
# include <stdlib.h>
# include <stddef.h>
#else
# ifdef HAVE_STDLIB_H
#  include <stdlib.h>
# endif
#endif /* STDC_HEADERS */
#ifdef HAVE_STRING_H
# if defined(HAVE_MEMORY_H) && !defined(STDC_HEADERS)
#  include <memory.h>
# endif
# include <string.h>
#endif /* HAVE_STRING_H */
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif /* HAVE_STRINGS_H */
#if TIME_WITH_SYS_TIME
# include <time.h>
#endif
#include <ctype.h>

#include "compat.h"


#define EPOCH		1970
#define HOUR(x)		((time_t)(x) * 60)
#define SECSPERDAY	(24L * 60L * 60L)


/*
**  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 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 char	*yyInput;
static DSTMODE	yyDSTmode;
static time_t	yyDayOrdinal;
static time_t	yyDayNumber;
static int	yyHaveDate;
static int	yyHaveDay;
static int	yyHaveRel;
static int	yyHaveTime;
static int	yyHaveZone;
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 int	yyerror __P((char *s));
static int	yylex __P((void));
static int	yyparse __P((void));

#line 107 "getdate.y"
#ifndef YYSTYPE_DEFINED
#define YYSTYPE_DEFINED
typedef union {
    time_t		Number;
    enum _MERIDIAN	Meridian;
} YYSTYPE;
#endif /* YYSTYPE_DEFINED */
#line 125 "y.tab.c"
#define tAGO 257
#define tDAY 258
#define tDAYZONE 259
#define tID 260
#define tMERIDIAN 261
#define tMINUTE_UNIT 262
#define tMONTH 263
#define tMONTH_UNIT 264
#define tSEC_UNIT 265
#define tSNUMBER 266
#define tUNUMBER 267
#define tZONE 268
#define tDST 269
#define YYERRCODE 256
#if defined(__cplusplus) || defined(__STDC__)
const short yylhs[] =
#else
short yylhs[] =
#endif
	{                                        -1,
    0,    0,    2,    2,    2,    2,    2,    2,    3,    3,
    3,    3,    3,    4,    4,    4,    6,    6,    6,    5,
    5,    5,    5,    5,    5,    5,    5,    7,    7,    9,
    9,    9,    9,    9,    9,    9,    9,    9,    8,    1,
    1,
};
#if defined(__cplusplus) || defined(__STDC__)
const short yylen[] =
#else
short yylen[] =
#endif
	{                                         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,    1,    0,
    1,
};
#if defined(__cplusplus) || defined(__STDC__)
const short yydefred[] =
#else
short yydefred[] =
#endif
	{                                      1,
    0,    0,   15,   32,    0,   38,   35,    0,    0,    0,
    2,    3,    4,    5,    6,    7,    8,    0,   18,    0,
   31,   36,   33,   19,    9,   30,    0,   37,   34,    0,
    0,    0,   16,   28,    0,   23,   27,   22,    0,    0,
   25,   41,   11,    0,   10,    0,    0,   21,   13,   12,
};
#if defined(__cplusplus) || defined(__STDC__)
const short yydgoto[] =
#else
short yydgoto[] =
#endif
	{                                       1,
   45,   11,   12,   13,   14,   15,   16,   17,   18,
};
#if defined(__cplusplus) || defined(__STDC__)
const short yysindex[] =
#else
short yysindex[] =
#endif
	{                                      0,
 -249,  -38,    0,    0, -260,    0,    0, -240,  -47, -248,
    0,    0,    0,    0,    0,    0,    0, -237,    0,  -18,
    0,    0,    0,    0,    0,    0, -262,    0,    0, -239,
 -238, -236,    0,    0, -235,    0,    0,    0,  -56,  -19,
    0,    0,    0, -234,    0, -232, -258,    0,    0,    0,};
#if defined(__cplusplus) || defined(__STDC__)
const short yyrindex[] =
#else
short yyrindex[] =
#endif
	{                                      0,
    0,    1,    0,    0,    0,    0,    0,    0,   69,   12,
    0,    0,    0,    0,    0,    0,    0,   23,    0,   34,
    0,    0,    0,    0,    0,    0,   67,    0,    0,    0,
    0,    0,    0,    0,    0,    0,    0,    0,   56,   45,
    0,    0,    0,    0,    0,    0,   56,    0,    0,    0,};
#if defined(__cplusplus) || defined(__STDC__)
const short yygindex[] =
#else
short yygindex[] =
#endif
	{                                      0,
  -17,    0,    0,    0,    0,    0,    0,    0,    0,
};
#define YYTABLESIZE 337
#if defined(__cplusplus) || defined(__STDC__)
const short yytable[] =
#else
short yytable[] =
#endif
	{                                      32,
   17,   44,   42,   36,   37,   19,   20,   49,    2,    3,
   31,   14,    4,    5,    6,    7,    8,    9,   10,   34,
   33,   21,   29,   22,   23,   35,   38,   46,   39,   50,
   40,   41,   47,   24,   48,    0,    0,    0,    0,    0,
    0,    0,    0,    0,   20,    0,    0,    0,    0,    0,
    0,    0,    0,    0,    0,   40,    0,    0,    0,    0,
    0,    0,    0,    0,    0,    0,   26,    0,   39,    0,
    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    0,    0,    0,    0,   42,    0,    0,    0,    0,   43,
   24,    0,    0,   25,   26,   27,   28,   29,   30,    0,
    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
    0,    0,    0,    0,    0,    0,    0,    0,   17,   17,
    0,    0,   17,   17,   17,   17,   17,   17,   17,   14,
   14,    0,    0,   14,   14,   14,   14,   14,   14,   14,
   29,   29,    0,    0,   29,   29,   29,   29,   29,   29,
   29,   24,   24,    0,    0,   24,   24,   24,   24,   24,
   24,   24,   20,   20,    0,    0,   20,   20,   20,   20,
   20,   20,   20,   40,   40,    0,    0,   40,   40,   40,
   40,    0,   40,   40,   26,   26,    0,   39,   26,   26,
   26,   26,    0,    0,   26,   39,   39,
};
#if defined(__cplusplus) || defined(__STDC__)
const short yycheck[] =
#else
short yycheck[] =
#endif
	{                                      47,
    0,   58,  261,  266,  267,   44,  267,  266,  258,  259,
   58,    0,  262,  263,  264,  265,  266,  267,  268,  257,
  269,  262,    0,  264,  265,   44,  266,   47,  267,   47,
  267,  267,  267,    0,  267,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,    0,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,    0,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,    0,   -1,    0,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,  261,   -1,   -1,   -1,   -1,  266,
  258,   -1,   -1,  261,  262,  263,  264,  265,  266,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,  258,  259,
   -1,   -1,  262,  263,  264,  265,  266,  267,  268,  258,
  259,   -1,   -1,  262,  263,  264,  265,  266,  267,  268,
  258,  259,   -1,   -1,  262,  263,  264,  265,  266,  267,
  268,  258,  259,   -1,   -1,  262,  263,  264,  265,  266,
  267,  268,  258,  259,   -1,   -1,  262,  263,  264,  265,
  266,  267,  268,  258,  259,   -1,   -1,  262,  263,  264,
  265,   -1,  267,  268,  258,  259,   -1,  259,  262,  263,
  264,  265,   -1,   -1,  268,  267,  268,
};
#define YYFINAL 1
#ifndef YYDEBUG
#define YYDEBUG 0
#endif
#define YYMAXTOKEN 269
#if YYDEBUG
#if defined(__cplusplus) || defined(__STDC__)
const char * const yyname[] =
#else
char *yyname[] =
#endif
	{
"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,"tAGO","tDAY",
"tDAYZONE","tID","tMERIDIAN","tMINUTE_UNIT","tMONTH","tMONTH_UNIT","tSEC_UNIT",
"tSNUMBER","tUNUMBER","tZONE","tDST",
};
#if defined(__cplusplus) || defined(__STDC__)
const char * const yyrule[] =
#else
char *yyrule[] =
#endif
	{"$accept : spec",
"spec :",
"spec : spec item",
"item : time",
"item : zone",
"item : date",
"item : day",
"item : rel",
"item : number",
"time : tUNUMBER tMERIDIAN",
"time : tUNUMBER ':' tUNUMBER o_merid",
"time : tUNUMBER ':' tUNUMBER tSNUMBER",
"time : tUNUMBER ':' tUNUMBER ':' tUNUMBER o_merid",
"time : tUNUMBER ':' tUNUMBER ':' tUNUMBER tSNUMBER",
"zone : tZONE",
"zone : tDAYZONE",
"zone : tZONE tDST",
"day : tDAY",
"day : tDAY ','",
"day : tUNUMBER tDAY",
"date : tUNUMBER '/' tUNUMBER",
"date : tUNUMBER '/' tUNUMBER '/' tUNUMBER",
"date : tUNUMBER tSNUMBER tSNUMBER",
"date : tUNUMBER tMONTH tSNUMBER",
"date : tMONTH tUNUMBER",
"date : tMONTH tUNUMBER ',' tUNUMBER",
"date : tUNUMBER tMONTH",
"date : tUNUMBER tMONTH tUNUMBER",
"rel : relunit tAGO",
"rel : relunit",
"relunit : tUNUMBER tMINUTE_UNIT",
"relunit : tSNUMBER tMINUTE_UNIT",
"relunit : tMINUTE_UNIT",
"relunit : tSNUMBER tSEC_UNIT",
"relunit : tUNUMBER tSEC_UNIT",
"relunit : tSEC_UNIT",
"relunit : tSNUMBER tMONTH_UNIT",
"relunit : tUNUMBER tMONTH_UNIT",
"relunit : tMONTH_UNIT",
"number : tUNUMBER",
"o_merid :",
"o_merid : tMERIDIAN",
};
#endif
#ifdef YYSTACKSIZE
#undef YYMAXDEPTH
#define YYMAXDEPTH YYSTACKSIZE
#else
#ifdef YYMAXDEPTH
#define YYSTACKSIZE YYMAXDEPTH
#else
#define YYSTACKSIZE 10000
#define YYMAXDEPTH 10000
#endif
#endif
#define YYINITSTACKSIZE 200
/* LINTUSED */
int yydebug;
int yynerrs;
int yyerrflag;
int yychar;
short *yyssp;
YYSTYPE *yyvsp;
YYSTYPE yyval;
YYSTYPE yylval;
short *yyss;
short *yysslim;
YYSTYPE *yyvs;
int yystacksize;
#line 326 "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 }
};

/* Time units table. */
static TABLE const UnitsTable[] = {
    { "year",		tMONTH_UNIT,	12 },
    { "month",		tMONTH_UNIT,	1 },
    { "fortnight",	tMINUTE_UNIT,	14 * 24 * 60 },
    { "week",		tMINUTE_UNIT,	7 * 24 * 60 },
    { "day",		tMINUTE_UNIT,	1 * 24 * 60 },
    { "hour",		tMINUTE_UNIT,	60 },
    { "minute",		tMINUTE_UNIT,	1 },
    { "min",		tMINUTE_UNIT,	1 },
    { "second",		tSEC_UNIT,	1 },
    { "sec",		tSEC_UNIT,	1 },
    { NULL }
};

/* 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 }
};

/* The timezone table. */
/* Some of these are commented out because a time_t can't store a float. */
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 */
#if	0
    /* For completeness.  BST is also British Summer, and GST is
     * also Guam Standard. */
    { "bst",	tZONE,     HOUR( 3) },	/* Brazil Standard */
    { "gst",	tZONE,     HOUR( 3) },	/* Greenland Standard */
#endif
#if 0
    { "nft",	tZONE,     HOUR(3.5) },	/* Newfoundland */
    { "nst",	tZONE,     HOUR(3.5) },	/* Newfoundland Standard */
    { "ndt",	tDAYZONE,  HOUR(3.5) },	/* Newfoundland Daylight */
#endif
    { "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 */
    { "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 */
#if 0
    { "it",	tZONE,     -HOUR(3.5) },/* Iran */
#endif
    { "zp4",	tZONE,     -HOUR(4) },	/* USSR Zone 3 */
    { "zp5",	tZONE,     -HOUR(5) },	/* USSR Zone 4 */
#if 0
    { "ist",	tZONE,     -HOUR(5.5) },/* Indian Standard */
#endif
    { "zp6",	tZONE,     -HOUR(6) },	/* USSR Zone 5 */
#if	0
    /* For completeness.  NST is also Newfoundland Stanard, and SST is
     * also Swedish Summer. */
    { "nst",	tZONE,     -HOUR(6.5) },/* North Sumatra */
    { "sst",	tZONE,     -HOUR(7) },	/* South Sumatra, USSR Zone 6 */
#endif	/* 0 */
    { "wast",	tZONE,     -HOUR(7) },	/* West Australian Standard */
    { "wadt",	tDAYZONE,  -HOUR(7) },	/* West Australian Daylight */
#if 0
    { "jt",	tZONE,     -HOUR(7.5) },/* Java (3pm in Cronusland!) */
#endif
    { "cct",	tZONE,     -HOUR(8) },	/* China Coast, USSR Zone 7 */
    { "jst",	tZONE,     -HOUR(9) },	/* Japan Standard, USSR Zone 8 */
#if 0
    { "cast",	tZONE,     -HOUR(9.5) },/* Central Australian Standard */
    { "cadt",	tDAYZONE,  -HOUR(9.5) },/* Central Australian Daylight */
#endif
    { "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  }
};

/* 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 }
};




/* ARGSUSED */
static int
yyerror(s)
    char	*s;
{
  return 0;
}


static time_t
ToSeconds(Hours, Minutes, Seconds, Meridian)
    time_t	Hours;
    time_t	Minutes;
    time_t	Seconds;
    MERIDIAN	Meridian;
{
    if (Minutes < 0 || Minutes > 59 || Seconds < 0 || Seconds > 59)
	return -1;
    switch (Meridian) {
    case MER24:
	if (Hours < 0 || Hours > 23)
	    return -1;
	return (Hours * 60L + Minutes) * 60L + Seconds;
    case MERam:
	if (Hours < 1 || Hours > 12)
	    return -1;
	if (Hours == 12)
	    Hours = 0;
	return (Hours * 60L + Minutes) * 60L + Seconds;
    case MERpm:
	if (Hours < 1 || Hours > 12)
	    return -1;
	if (Hours == 12)
	    Hours = 0;
	return ((Hours + 12) * 60L + Minutes) * 60L + Seconds;
    default:
	abort ();
    }
    /* NOTREACHED */
}


/* Year is either
   * A negative number, which means to use its absolute value (why?)
   * A number from 0 to 99, which means a year from 1900 to 1999, or
   * The actual year (>=100).  */
static time_t
Convert(Month, Day, Year, Hours, Minutes, Seconds, Meridian, DSTmode)
    time_t	Month;
    time_t	Day;
    time_t	Year;
    time_t	Hours;
    time_t	Minutes;
    time_t	Seconds;
    MERIDIAN	Meridian;
    DSTMODE	DSTmode;
{
    static int DaysInMonth[12] = {
	31, 0, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
    };
    time_t	tod;
    time_t	Julian;
    int		i;

    if (Year < 0)
	Year = -Year;
    if (Year < 69)
	Year += 2000;
    else if (Year < 100) {
	Year += 1900;
	if (Year < EPOCH)
		Year += 100;
    }
    DaysInMonth[1] = Year % 4 == 0 && (Year % 100 != 0 || Year % 400 == 0)
		    ? 29 : 28;
    /* Checking for 2038 bogusly assumes that time_t is 32 bits.  But
       I'm too lazy to try to check for time_t overflow in another way.  */
    if (Year < EPOCH || Year > 2038
     || Month < 1 || Month > 12
     /* Lint fluff:  "conversion from long may lose accuracy" */
     || Day < 1 || Day > DaysInMonth[(int)--Month])
	return -1;

    for (Julian = Day - 1, i = 0; i < Month; i++)
	Julian += DaysInMonth[i];
    for (i = EPOCH; i < Year; i++)
	Julian += 365 + (i % 4 == 0);
    Julian *= SECSPERDAY;
    Julian += yyTimezone * 60L;
    if ((tod = ToSeconds(Hours, Minutes, Seconds, Meridian)) < 0)
	return -1;
    Julian += tod;
    if (DSTmode == DSTon
     || (DSTmode == DSTmaybe && localtime(&Julian)->tm_isdst))
	Julian -= 60 * 60;
    return Julian;
}


static time_t
DSTcorrect(Start, Future)
    time_t	Start;
    time_t	Future;
{
    time_t	StartDay;
    time_t	FutureDay;

    StartDay = (localtime(&Start)->tm_hour + 1) % 24;
    FutureDay = (localtime(&Future)->tm_hour + 1) % 24;
    return (Future - Start) + (StartDay - FutureDay) * 60L * 60L;
}


static time_t
RelativeDate(Start, DayOrdinal, DayNumber)
    time_t	Start;
    time_t	DayOrdinal;
    time_t	DayNumber;
{
    struct tm	*tm;
    time_t	now;

    now = Start;
    tm = localtime(&now);
    now += SECSPERDAY * ((DayNumber - tm->tm_wday + 7) % 7);
    now += 7 * SECSPERDAY * (DayOrdinal <= 0 ? DayOrdinal : DayOrdinal - 1);
    return DSTcorrect(Start, now);
}


static time_t
RelativeMonth(Start, RelMonth)
    time_t	Start;
    time_t	RelMonth;
{
    struct tm	*tm;
    time_t	Month;
    time_t	Year;

    if (RelMonth == 0)
	return 0;
    tm = localtime(&Start);
    Month = 12 * (tm->tm_year + 1900) + tm->tm_mon + RelMonth;
    Year = Month / 12;
    Month = Month % 12 + 1;
    return DSTcorrect(Start,
	    Convert(Month, (time_t)tm->tm_mday, Year,
		(time_t)tm->tm_hour, (time_t)tm->tm_min, (time_t)tm->tm_sec,
		MER24, DSTmaybe));
}


static int
LookupWord(buff)
    char		*buff;
{
    char		*p;
    char		*q;
    const TABLE		*tp;
    int			i;
    int			abbrev;

    /* Make it lowercase. */
    for (p = buff; *p; p++)
	if (isupper((unsigned char)*p))
	    *p = tolower((unsigned char)*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 = 1;
    else if (strlen(buff) == 4 && buff[3] == '.') {
	abbrev = 1;
	buff[3] = '\0';
    }
    else
	abbrev = 0;

    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((unsigned char)*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; *q; q++)
	if (*q != '.')
	    *p++ = *q;
	else
	    i++;
    *p = '\0';
    if (i)
	for (tp = TimezoneTable; tp->name; tp++)
	    if (strcmp(buff, tp->name) == 0) {
		yylval.Number = tp->value;
		return tp->type;
	    }

    return tID;
}


static int
yylex()
{
    char		c;
    char		*p;
    char		buff[20];
    int			Count;
    int			sign;

    for ( ; ; ) {
	while (isspace((unsigned char)*yyInput))
	    yyInput++;

	if (isdigit((unsigned char)(c = *yyInput)) || c == '-' || c == '+') {
	    if (c == '-' || c == '+') {
		sign = c == '-' ? -1 : 1;
		if (!isdigit((unsigned char)*++yyInput))
		    /* skip the '-' sign */
		    continue;
	    }
	    else
		sign = 0;
	    for (yylval.Number = 0; isdigit((unsigned char)(c = *yyInput++)); )
		yylval.Number = 10 * yylval.Number + c - '0';
	    yyInput--;
	    if (sign < 0)
		yylval.Number = -yylval.Number;
	    return sign ? tSNUMBER : tUNUMBER;
	}
	if (isalpha((unsigned char)c)) {
	    for (p = buff; isalpha((unsigned char)(c = *yyInput++)) || 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 (a, b)
     struct tm *a, *b;
{
  int ay = a->tm_year + (TM_YEAR_ORIGIN - 1);
  int by = b->tm_year + (TM_YEAR_ORIGIN - 1);
  int 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(p)
    char		*p;
{
    struct tm		*tm, *gmt, gmtbuf;
    time_t		Start;
    time_t		tod;
    time_t		now;
    time_t		timezone;

    yyInput = p;
    (void)time (&now);

    gmt = gmtime (&now);
    if (gmt != NULL)
    {
	/* Make a copy, in case localtime modifies *tm (I think
	   that comment now applies to *gmt, but I am too
	   lazy to dig into how gmtime and locatime allocate the
	   structures they return pointers to).  */
	gmtbuf = *gmt;
	gmt = &gmtbuf;
    }

    if (! (tm = localtime (&now)))
	return -1;

    if (gmt != NULL)
	timezone = difftm (gmt, tm) / 60;
    else
	/* We are on a system like VMS, where the system clock is
	   in local time and the system has no concept of timezones.
	   Hopefully we can fake this out (for the case in which the
	   user specifies no timezone) by just saying the timezone
	   is zero.  */
	timezone = 0;

    if(tm->tm_isdst)
	timezone += 60;

    tm = localtime(&now);
    yyYear = tm->tm_year + 1900;
    yyMonth = tm->tm_mon + 1;
    yyDay = tm->tm_mday;
    yyTimezone = timezone;
    yyDSTmode = DSTmaybe;
    yyHour = 0;
    yyMinutes = 0;
    yySeconds = 0;
    yyMeridian = MER24;
    yyRelSeconds = 0;
    yyRelMonth = 0;
    yyHaveDate = 0;
    yyHaveDay = 0;
    yyHaveRel = 0;
    yyHaveTime = 0;
    yyHaveZone = 0;

    if (yyparse()
     || yyHaveTime > 1 || yyHaveZone > 1 || yyHaveDate > 1 || yyHaveDay > 1)
	return -1;

    if (yyHaveDate || yyHaveTime || yyHaveDay) {
	Start = Convert(yyMonth, yyDay, yyYear, yyHour, yyMinutes, yySeconds,
		    yyMeridian, yyDSTmode);
	if (Start < 0)
	    return -1;
    }
    else {
	Start = now;
	if (!yyHaveRel)
	    Start -= ((tm->tm_hour * 60L + tm->tm_min) * 60L) + tm->tm_sec;
    }

    Start += yyRelSeconds;
    Start += RelativeMonth(Start, yyRelMonth);

    if (yyHaveDay && !yyHaveDate) {
	tod = RelativeDate(Start, yyDayOrdinal, yyDayNumber);
	Start += tod;
    }

    /* Have to do *something* with a legitimate -1 so it's distinguishable
     * from the error return value.  (Alternately could set errno on error.) */
    return Start == -1 ? 0 : Start;
}


#if	defined(TEST)

/* ARGSUSED */
int
main(ac, av)
    int		ac;
    char	*av[];
{
    char	buff[128];
    time_t	d;

    (void)printf("Enter date, or blank line to exit.\n\t> ");
    (void)fflush(stdout);
    while (gets(buff) && buff[0]) {
	d = get_date(buff);
	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) */
#line 979 "y.tab.c"
/* allocate initial stack or double stack size, up to YYMAXDEPTH */
#if defined(__cplusplus) || defined(__STDC__)
static int yygrowstack(void)
#else
static int yygrowstack()
#endif
{
    int newsize, i;
    short *newss;
    YYSTYPE *newvs;

    if ((newsize = yystacksize) == 0)
        newsize = YYINITSTACKSIZE;
    else if (newsize >= YYMAXDEPTH)
        return -1;
    else if ((newsize *= 2) > YYMAXDEPTH)
        newsize = YYMAXDEPTH;
    i = yyssp - yyss;
#ifdef SIZE_MAX
#define YY_SIZE_MAX SIZE_MAX
#else
#define YY_SIZE_MAX 0x7fffffff
#endif
    if (newsize && YY_SIZE_MAX / newsize < sizeof *newss)
        goto bail;
    newss = yyss ? (short *)realloc(yyss, newsize * sizeof *newss) :
      (short *)malloc(newsize * sizeof *newss); /* overflow check above */
    if (newss == NULL)
        goto bail;
    yyss = newss;
    yyssp = newss + i;
    if (newsize && YY_SIZE_MAX / newsize < sizeof *newvs)
        goto bail;
    newvs = yyvs ? (YYSTYPE *)realloc(yyvs, newsize * sizeof *newvs) :
      (YYSTYPE *)malloc(newsize * sizeof *newvs); /* overflow check above */
    if (newvs == NULL)
        goto bail;
    yyvs = newvs;
    yyvsp = newvs + i;
    yystacksize = newsize;
    yysslim = yyss + newsize - 1;
    return 0;
bail:
    if (yyss)
            free(yyss);
    if (yyvs)
            free(yyvs);
    yyss = yyssp = NULL;
    yyvs = yyvsp = NULL;
    yystacksize = 0;
    return -1;
}

#define YYABORT goto yyabort
#define YYREJECT goto yyabort
#define YYACCEPT goto yyaccept
#define YYERROR goto yyerrlab
int
#if defined(__cplusplus) || defined(__STDC__)
yyparse(void)
#else
yyparse()
#endif
{
    int yym, yyn, yystate;
#if YYDEBUG
#if defined(__cplusplus) || defined(__STDC__)
    const char *yys;
#else /* !(defined(__cplusplus) || defined(__STDC__)) */
    char *yys;
#endif /* !(defined(__cplusplus) || defined(__STDC__)) */

    if ((yys = getenv("YYDEBUG")))
    {
        yyn = *yys;
        if (yyn >= '0' && yyn <= '9')
            yydebug = yyn - '0';
    }
#endif /* YYDEBUG */

    yynerrs = 0;
    yyerrflag = 0;
    yychar = (-1);

    if (yyss == NULL && yygrowstack()) goto yyoverflow;
    yyssp = yyss;
    yyvsp = yyvs;
    *yyssp = yystate = 0;

yyloop:
    if ((yyn = yydefred[yystate]) != 0) 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 >= yysslim && yygrowstack())
        {
            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;
#if defined(lint) || defined(__GNUC__)
    goto yynewerror;
#endif
yynewerror:
    yyerror("syntax error");
#if defined(lint) || defined(__GNUC__)
    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 >= yysslim && yygrowstack())
                {
                    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];
    if (yym)
        yyval = yyvsp[1-yym];
    else
        memset(&yyval, 0, sizeof yyval);
    switch (yyn)
    {
case 3:
#line 125 "getdate.y"
{
	    yyHaveTime++;
	}
break;
case 4:
#line 128 "getdate.y"
{
	    yyHaveZone++;
	}
break;
case 5:
#line 131 "getdate.y"
{
	    yyHaveDate++;
	}
break;
case 6:
#line 134 "getdate.y"
{
	    yyHaveDay++;
	}
break;
case 7:
#line 137 "getdate.y"
{
	    yyHaveRel++;
	}
break;
case 9:
#line 143 "getdate.y"
{
	    yyHour = yyvsp[-1].Number;
	    yyMinutes = 0;
	    yySeconds = 0;
	    yyMeridian = yyvsp[0].Meridian;
	}
break;
case 10:
#line 149 "getdate.y"
{
	    yyHour = yyvsp[-3].Number;
	    yyMinutes = yyvsp[-1].Number;
	    yySeconds = 0;
	    yyMeridian = yyvsp[0].Meridian;
	}
break;
case 11:
#line 155 "getdate.y"
{
	    yyHour = yyvsp[-3].Number;
	    yyMinutes = yyvsp[-1].Number;
	    yyMeridian = MER24;
	    yyDSTmode = DSToff;
	    yyTimezone = - (yyvsp[0].Number % 100 + (yyvsp[0].Number / 100) * 60);
	}
break;
case 12:
#line 162 "getdate.y"
{
	    yyHour = yyvsp[-5].Number;
	    yyMinutes = yyvsp[-3].Number;
	    yySeconds = yyvsp[-1].Number;
	    yyMeridian = yyvsp[0].Meridian;
	}
break;
case 13:
#line 168 "getdate.y"
{
	    yyHour = yyvsp[-5].Number;
	    yyMinutes = yyvsp[-3].Number;
	    yySeconds = yyvsp[-1].Number;
	    yyMeridian = MER24;
	    yyDSTmode = DSToff;
	    yyTimezone = - (yyvsp[0].Number % 100 + (yyvsp[0].Number / 100) * 60);
	}
break;
case 14:
#line 178 "getdate.y"
{
	    yyTimezone = yyvsp[0].Number;
	    yyDSTmode = DSToff;
	}
break;
case 15:
#line 182 "getdate.y"
{
	    yyTimezone = yyvsp[0].Number;
	    yyDSTmode = DSTon;
	}
break;
case 16:
#line 187 "getdate.y"
{
	    yyTimezone = yyvsp[-1].Number;
	    yyDSTmode = DSTon;
	}
break;
case 17:
#line 193 "getdate.y"
{
	    yyDayOrdinal = 1;
	    yyDayNumber = yyvsp[0].Number;
	}
break;
case 18:
#line 197 "getdate.y"
{
	    yyDayOrdinal = 1;
	    yyDayNumber = yyvsp[-1].Number;
	}
break;
case 19:
#line 201 "getdate.y"
{
	    yyDayOrdinal = yyvsp[-1].Number;
	    yyDayNumber = yyvsp[0].Number;
	}
break;
case 20:
#line 207 "getdate.y"
{
	    yyMonth = yyvsp[-2].Number;
	    yyDay = yyvsp[0].Number;
	}
break;
case 21:
#line 211 "getdate.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 22:
#line 222 "getdate.y"
{
	    /* ISO 8601 format.  yyyy-mm-dd.  */
	    yyYear = yyvsp[-2].Number;
	    yyMonth = -yyvsp[-1].Number;
	    yyDay = -yyvsp[0].Number;
	}
break;
case 23:
#line 228 "getdate.y"
{
	    /* e.g. 17-JUN-1992.  */
	    yyDay = yyvsp[-2].Number;
	    yyMonth = yyvsp[-1].Number;
	    yyYear = -yyvsp[0].Number;
	}
break;
case 24:
#line 234 "getdate.y"
{
	    yyMonth = yyvsp[-1].Number;
	    yyDay = yyvsp[0].Number;
	}
break;
case 25:
#line 238 "getdate.y"
{
	    yyMonth = yyvsp[-3].Number;
	    yyDay = yyvsp[-2].Number;
	    yyYear = yyvsp[0].Number;
	}
break;
case 26:
#line 243 "getdate.y"
{
	    yyMonth = yyvsp[0].Number;
	    yyDay = yyvsp[-1].Number;
	}
break;
case 27:
#line 247 "getdate.y"
{
	    yyMonth = yyvsp[-1].Number;
	    yyDay = yyvsp[-2].Number;
	    yyYear = yyvsp[0].Number;
	}
break;
case 28:
#line 254 "getdate.y"
{
	    yyRelSeconds = -yyRelSeconds;
	    yyRelMonth = -yyRelMonth;
	}
break;
case 30:
#line 261 "getdate.y"
{
	    yyRelSeconds += yyvsp[-1].Number * yyvsp[0].Number * 60L;
	}
break;
case 31:
#line 264 "getdate.y"
{
	    yyRelSeconds += yyvsp[-1].Number * yyvsp[0].Number * 60L;
	}
break;
case 32:
#line 267 "getdate.y"
{
	    yyRelSeconds += yyvsp[0].Number * 60L;
	}
break;
case 33:
#line 270 "getdate.y"
{
	    yyRelSeconds += yyvsp[-1].Number;
	}
break;
case 34:
#line 273 "getdate.y"
{
	    yyRelSeconds += yyvsp[-1].Number;
	}
break;
case 35:
#line 276 "getdate.y"
{
	    yyRelSeconds++;
	}
break;
case 36:
#line 279 "getdate.y"
{
	    yyRelMonth += yyvsp[-1].Number * yyvsp[0].Number;
	}
break;
case 37:
#line 282 "getdate.y"
{
	    yyRelMonth += yyvsp[-1].Number * yyvsp[0].Number;
	}
break;
case 38:
#line 285 "getdate.y"
{
	    yyRelMonth += yyvsp[0].Number;
	}
break;
case 39:
#line 290 "getdate.y"
{
	    if (yyHaveTime && yyHaveDate && !yyHaveRel)
		yyYear = yyvsp[0].Number;
	    else {
		if(yyvsp[0].Number>10000) {
		    yyHaveDate++;
		    yyDay= (yyvsp[0].Number)%100;
		    yyMonth= (yyvsp[0].Number/100)%100;
		    yyYear = yyvsp[0].Number/10000;
		}
		else {
		    yyHaveTime++;
		    if (yyvsp[0].Number < 100) {
			yyHour = yyvsp[0].Number;
			yyMinutes = 0;
		    }
		    else {
		    	yyHour = yyvsp[0].Number / 100;
		    	yyMinutes = yyvsp[0].Number % 100;
		    }
		    yySeconds = 0;
		    yyMeridian = MER24;
	        }
	    }
	}
break;
case 40:
#line 317 "getdate.y"
{
	    yyval.Meridian = MER24;
	}
break;
case 41:
#line 320 "getdate.y"
{
	    yyval.Meridian = yyvsp[0].Meridian;
	}
break;
#line 1474 "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 >= yysslim && yygrowstack())
    {
        goto yyoverflow;
    }
    *++yyssp = yystate;
    *++yyvsp = yyval;
    goto yyloop;
yyoverflow:
    yyerror("yacc stack overflow");
yyabort:
    if (yyss)
            free(yyss);
    if (yyvs)
            free(yyvs);
    yyss = yyssp = NULL;
    yyvs = yyvsp = NULL;
    yystacksize = 0;
    return (1);
yyaccept:
    if (yyss)
            free(yyss);
    if (yyvs)
            free(yyvs);
    yyss = yyssp = NULL;
    yyvs = yyvsp = NULL;
    yystacksize = 0;
    return (0);
}