Initial revision

1 files changed, 1638 insertions, 0 deletions

diff --git a/generic/tclDate.c b/generic/tclDate.c
new file mode 100644
index 0000000..51f7475
--- /dev/null
+++ b/generic/tclDate.c
@@ -0,0 +1,1638 @@
+/* 
+ * tclDate.c --
+ *
+ *	This file is generated from a yacc grammar defined in
+ *	the file tclGetDate.y.  It should not be edited directly.
+ *
+ * Copyright (c) 1992-1995 Karl Lehenbauer and Mark Diekhans.
+ * Copyright (c) 1995-1997 Sun Microsystems, Inc.
+ *
+ * See the file "license.terms" for information on usage and redistribution
+ * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
+ *
+ * @(#) tclDate.c 1.32 97/02/03 14:54:37
+ */
+
+#include "tclInt.h"
+#include "tclPort.h"
+
+#ifdef MAC_TCL
+#   define EPOCH           1904
+#   define START_OF_TIME   1904
+#   define END_OF_TIME     2039
+#else
+#   define EPOCH           1970
+#   define START_OF_TIME   1902
+#   define END_OF_TIME     2037
+#endif
+
+/*
+ * The offset of tm_year of struct tm returned by localtime, gmtime, etc.
+ * I don't know how universal this is; K&R II, the NetBSD manpages, and
+ * ../compat/strftime.c all agree that tm_year is the year-1900.  However,
+ * some systems may have a different value.  This #define should be the
+ * same as in ../compat/strftime.c.
+ */
+#define TM_YEAR_BASE 1900
+
+#define HOUR(x)         ((int) (60 * x))
+#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     *TclDateInput;
+static DSTMODE  TclDateDSTmode;
+static time_t   TclDateDayOrdinal;
+static time_t   TclDateDayNumber;
+static int      TclDateHaveDate;
+static int      TclDateHaveDay;
+static int      TclDateHaveRel;
+static int      TclDateHaveTime;
+static int      TclDateHaveZone;
+static time_t   TclDateTimezone;
+static time_t   TclDateDay;
+static time_t   TclDateHour;
+static time_t   TclDateMinutes;
+static time_t   TclDateMonth;
+static time_t   TclDateSeconds;
+static time_t   TclDateYear;
+static MERIDIAN TclDateMeridian;
+static time_t   TclDateRelMonth;
+static time_t   TclDateRelSeconds;
+
+
+/*
+ * Prototypes of internal functions.
+ */
+static void	TclDateerror _ANSI_ARGS_((char *s));
+static time_t	ToSeconds _ANSI_ARGS_((time_t Hours, time_t Minutes,
+		    time_t Seconds, MERIDIAN Meridian));
+static int	Convert _ANSI_ARGS_((time_t Month, time_t Day, time_t Year,
+		    time_t Hours, time_t Minutes, time_t Seconds,
+		    MERIDIAN Meridia, DSTMODE DSTmode, time_t *TimePtr));
+static time_t	DSTcorrect _ANSI_ARGS_((time_t Start, time_t Future));
+static time_t	RelativeDate _ANSI_ARGS_((time_t Start, time_t DayOrdinal,
+		    time_t DayNumber));
+static int	RelativeMonth _ANSI_ARGS_((time_t Start, time_t RelMonth,
+		    time_t *TimePtr));
+static int	LookupWord _ANSI_ARGS_((char *buff));
+static int	TclDatelex _ANSI_ARGS_((void));
+
+int
+TclDateparse _ANSI_ARGS_((void));
+typedef union
+#ifdef __cplusplus
+	YYSTYPE
+#endif
+ {
+    time_t              Number;
+    enum _MERIDIAN      Meridian;
+} YYSTYPE;
+# 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 tEPOCH 269
+# define tDST 270
+
+
+
+#ifdef __cplusplus
+
+#ifndef TclDateerror
+	void TclDateerror(const char *);
+#endif
+
+#ifndef TclDatelex
+#ifdef __EXTERN_C__
+	extern "C" { int TclDatelex(void); }
+#else
+	int TclDatelex(void);
+#endif
+#endif
+	int TclDateparse(void);
+
+#endif
+#define TclDateclearin TclDatechar = -1
+#define TclDateerrok TclDateerrflag = 0
+extern int TclDatechar;
+extern int TclDateerrflag;
+YYSTYPE TclDatelval;
+YYSTYPE TclDateval;
+typedef int TclDatetabelem;
+#ifndef YYMAXDEPTH
+#define YYMAXDEPTH 150
+#endif
+#if YYMAXDEPTH > 0
+int TclDate_TclDates[YYMAXDEPTH], *TclDates = TclDate_TclDates;
+YYSTYPE TclDate_TclDatev[YYMAXDEPTH], *TclDatev = TclDate_TclDatev;
+#else	/* user does initial allocation */
+int *TclDates;
+YYSTYPE *TclDatev;
+#endif
+static int TclDatemaxdepth = YYMAXDEPTH;
+# define YYERRCODE 256
+
+
+/*
+ * Month and day table.
+ */
+static TABLE    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    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    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 },
+#if 0
+    { "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 },
+#endif
+    { "ago",            tAGO,   1 },
+    { "epoch",          tEPOCH,   0 },
+    { NULL }
+};
+
+/*
+ * The timezone table.  (Note: This table was modified to not use any floating
+ * point constants to work around an SGI compiler bug).
+ */
+static TABLE    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
+    { "nft",    tZONE,     HOUR( 7/2) },    /* Newfoundland */
+    { "nst",    tZONE,     HOUR( 7/2) },    /* Newfoundland Standard */
+    { "ndt",    tDAYZONE,  HOUR( 7/2) },    /* Newfoundland Daylight */
+    { "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 */
+    { "it",     tZONE,    -HOUR( 7/2) },    /* Iran */
+    { "zp4",    tZONE,    -HOUR( 4) },      /* USSR Zone 3 */
+    { "zp5",    tZONE,    -HOUR( 5) },      /* USSR Zone 4 */
+    { "ist",    tZONE,    -HOUR(11/2) },    /* Indian Standard */
+    { "zp6",    tZONE,    -HOUR( 6) },      /* USSR Zone 5 */
+#if     0
+    /* For completeness.  NST is also Newfoundland Stanard, nad SST is
+     * also Swedish Summer. */
+    { "nst",    tZONE,    -HOUR(13/2) },    /* 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 */
+    { "jt",     tZONE,    -HOUR(15/2) },    /* Java (3pm in Cronusland!) */
+    { "cct",    tZONE,    -HOUR( 8) },      /* China Coast, USSR Zone 7 */
+    { "jst",    tZONE,    -HOUR( 9) },      /* Japan Standard, USSR Zone 8 */
+    { "cast",   tZONE,    -HOUR(19/2) },    /* Central Australian Standard */
+    { "cadt",   tDAYZONE, -HOUR(19/2) },    /* Central Australian Daylight */
+    { "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 */
+    /* ADDED BY Marco Nijdam */
+    { "dst",    tDST,     HOUR( 0) },       /* DST on (hour is ignored) */
+    /* End ADDED */
+    {  NULL  }
+};
+
+/*
+ * Military timezone table.
+ */
+static TABLE    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 }
+};
+
+
+/*
+ * Dump error messages in the bit bucket.
+ */
+static void
+TclDateerror(s)
+    char  *s;
+{
+}
+
+
+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;
+        return ((Hours % 12) * 60L + Minutes) * 60L + Seconds;
+    case MERpm:
+        if (Hours < 1 || Hours > 12)
+            return -1;
+        return (((Hours % 12) + 12) * 60L + Minutes) * 60L + Seconds;
+    }
+    return -1;  /* Should never be reached */
+}
+
+
+static int
+Convert(Month, Day, Year, Hours, Minutes, Seconds, Meridian, DSTmode, TimePtr)
+    time_t      Month;
+    time_t      Day;
+    time_t      Year;
+    time_t      Hours;
+    time_t      Minutes;
+    time_t      Seconds;
+    MERIDIAN    Meridian;
+    DSTMODE     DSTmode;
+    time_t     *TimePtr;
+{
+    static int  DaysInMonth[12] = {
+        31, 0, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
+    };
+    time_t tod;
+    time_t Julian;
+    int i;
+
+    DaysInMonth[1] = Year % 4 == 0 && (Year % 100 != 0 || Year % 400 == 0)
+                    ? 29 : 28;
+    if (Month < 1 || Month > 12
+     || Year < START_OF_TIME || Year > END_OF_TIME
+     || Day < 1 || Day > DaysInMonth[(int)--Month])
+        return -1;
+
+    for (Julian = Day - 1, i = 0; i < Month; i++)
+        Julian += DaysInMonth[i];
+    if (Year >= EPOCH) {
+        for (i = EPOCH; i < Year; i++)
+            Julian += 365 + (i % 4 == 0);
+    } else {
+        for (i = Year; i < EPOCH; i++)
+            Julian -= 365 + (i % 4 == 0);
+    }
+    Julian *= SECSPERDAY;
+    Julian += TclDateTimezone * 60L;
+    if ((tod = ToSeconds(Hours, Minutes, Seconds, Meridian)) < 0)
+        return -1;
+    Julian += tod;
+    if (DSTmode == DSTon
+     || (DSTmode == DSTmaybe && TclpGetDate(&Julian, 0)->tm_isdst))
+        Julian -= 60 * 60;
+    *TimePtr = Julian;
+    return 0;
+}
+
+
+static time_t
+DSTcorrect(Start, Future)
+    time_t      Start;
+    time_t      Future;
+{
+    time_t      StartDay;
+    time_t      FutureDay;
+
+    StartDay = (TclpGetDate(&Start, 0)->tm_hour + 1) % 24;
+    FutureDay = (TclpGetDate(&Future, 0)->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 = TclpGetDate(&now, 0);
+    now += SECSPERDAY * ((DayNumber - tm->tm_wday + 7) % 7);
+    now += 7 * SECSPERDAY * (DayOrdinal <= 0 ? DayOrdinal : DayOrdinal - 1);
+    return DSTcorrect(Start, now);
+}
+
+
+static int
+RelativeMonth(Start, RelMonth, TimePtr)
+    time_t Start;
+    time_t RelMonth;
+    time_t *TimePtr;
+{
+    struct tm *tm;
+    time_t Month;
+    time_t Year;
+    time_t Julian;
+    int result;
+
+    if (RelMonth == 0) {
+        *TimePtr = 0;
+        return 0;
+    }
+    tm = TclpGetDate(&Start, 0);
+    Month = 12 * (tm->tm_year + TM_YEAR_BASE) + tm->tm_mon + RelMonth;
+    Year = Month / 12;
+    Month = Month % 12 + 1;
+    result = 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, &Julian);
+    /*
+     * The following iteration takes into account the case were we jump
+     * into a "short month".  Far example, "one month from Jan 31" will
+     * fail because there is no Feb 31.  The code below will reduce the
+     * day and try converting the date until we succed or the date equals
+     * 28 (which always works unless the date is bad in another way).
+     */
+
+    while ((result != 0) && (tm->tm_mday > 28)) {
+	tm->tm_mday--;
+	result = 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, &Julian);
+    }
+    if (result != 0) {
+	return -1;
+    }
+    *TimePtr = DSTcorrect(Start, Julian);
+    return 0;
+}
+
+
+static int
+LookupWord(buff)
+    char                *buff;
+{
+    register char *p;
+    register char *q;
+    register TABLE *tp;
+    int i;
+    int abbrev;
+
+    /*
+     * Make it lowercase.
+     */
+    for (p = buff; *p; p++) {
+        if (isupper(UCHAR(*p))) {
+            *p = (char) tolower(UCHAR(*p));
+	}
+    }
+
+    if (strcmp(buff, "am") == 0 || strcmp(buff, "a.m.") == 0) {
+        TclDatelval.Meridian = MERam;
+        return tMERIDIAN;
+    }
+    if (strcmp(buff, "pm") == 0 || strcmp(buff, "p.m.") == 0) {
+        TclDatelval.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) {
+                TclDatelval.Number = tp->value;
+                return tp->type;
+            }
+        } else if (strcmp(buff, tp->name) == 0) {
+            TclDatelval.Number = tp->value;
+            return tp->type;
+        }
+    }
+
+    for (tp = TimezoneTable; tp->name; tp++) {
+        if (strcmp(buff, tp->name) == 0) {
+            TclDatelval.Number = tp->value;
+            return tp->type;
+        }
+    }
+
+    for (tp = UnitsTable; tp->name; tp++) {
+        if (strcmp(buff, tp->name) == 0) {
+            TclDatelval.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) {
+                TclDatelval.Number = tp->value;
+                return tp->type;
+            }
+	}
+    }
+
+    for (tp = OtherTable; tp->name; tp++) {
+        if (strcmp(buff, tp->name) == 0) {
+            TclDatelval.Number = tp->value;
+            return tp->type;
+        }
+    }
+
+    /*
+     * Military timezones.
+     */
+    if (buff[1] == '\0' && isalpha(UCHAR(*buff))) {
+        for (tp = MilitaryTable; tp->name; tp++) {
+            if (strcmp(buff, tp->name) == 0) {
+                TclDatelval.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) {
+                TclDatelval.Number = tp->value;
+                return tp->type;
+            }
+	}
+    }
+    
+    return tID;
+}
+
+
+static int
+TclDatelex()
+{
+    register char       c;
+    register char       *p;
+    char                buff[20];
+    int                 Count;
+    int                 sign;
+
+    for ( ; ; ) {
+        while (isspace((unsigned char) (*TclDateInput))) {
+            TclDateInput++;
+	}
+
+        if (isdigit(c = *TclDateInput) || c == '-' || c == '+') {
+            if (c == '-' || c == '+') {
+                sign = c == '-' ? -1 : 1;
+                if (!isdigit(*++TclDateInput)) {
+                    /*
+		     * skip the '-' sign
+		     */
+                    continue;
+		}
+            } else {
+                sign = 0;
+	    }
+            for (TclDatelval.Number = 0; isdigit(c = *TclDateInput++); ) {
+                TclDatelval.Number = 10 * TclDatelval.Number + c - '0';
+	    }
+            TclDateInput--;
+            if (sign < 0) {
+                TclDatelval.Number = -TclDatelval.Number;
+	    }
+            return sign ? tSNUMBER : tUNUMBER;
+        }
+        if (isalpha(UCHAR(c))) {
+            for (p = buff; isalpha(c = *TclDateInput++) || c == '.'; ) {
+                if (p < &buff[sizeof buff - 1]) {
+                    *p++ = c;
+		}
+	    }
+            *p = '\0';
+            TclDateInput--;
+            return LookupWord(buff);
+        }
+        if (c != '(') {
+            return *TclDateInput++;
+	}
+        Count = 0;
+        do {
+            c = *TclDateInput++;
+            if (c == '\0') {
+                return c;
+	    } else if (c == '(') {
+                Count++;
+	    } else if (c == ')') {
+                Count--;
+	    }
+        } while (Count > 0);
+    }
+}
+
+/*
+ * Specify zone is of -50000 to force GMT.  (This allows BST to work).
+ */
+
+int
+TclGetDate(p, now, zone, timePtr)
+    char *p;
+    unsigned long now;
+    long zone;
+    unsigned long *timePtr;
+{
+    struct tm *tm;
+    time_t Start;
+    time_t Time;
+    time_t tod;
+    int thisyear;
+
+    TclDateInput = p;
+    tm = TclpGetDate((time_t *) &now, 0);
+    thisyear = tm->tm_year + TM_YEAR_BASE;
+    TclDateYear = thisyear;
+    TclDateMonth = tm->tm_mon + 1;
+    TclDateDay = tm->tm_mday;
+    TclDateTimezone = zone;
+    if (zone == -50000) {
+        TclDateDSTmode = DSToff;  /* assume GMT */
+        TclDateTimezone = 0;
+    } else {
+        TclDateDSTmode = DSTmaybe;
+    }
+    TclDateHour = 0;
+    TclDateMinutes = 0;
+    TclDateSeconds = 0;
+    TclDateMeridian = MER24;
+    TclDateRelSeconds = 0;
+    TclDateRelMonth = 0;
+    TclDateHaveDate = 0;
+    TclDateHaveDay = 0;
+    TclDateHaveRel = 0;
+    TclDateHaveTime = 0;
+    TclDateHaveZone = 0;
+
+    if (TclDateparse() || TclDateHaveTime > 1 || TclDateHaveZone > 1 || TclDateHaveDate > 1 ||
+	    TclDateHaveDay > 1) {
+        return -1;
+    }
+    
+    if (TclDateHaveDate || TclDateHaveTime || TclDateHaveDay) {
+	if (TclDateYear < 0) {
+	    TclDateYear = -TclDateYear;
+	}
+	/*
+	 * The following line handles years that are specified using
+	 * only two digits.  The line of code below implements a policy
+	 * defined by the X/Open workgroup on the millinium rollover.
+	 * Note: some of those dates may not actually be valid on some
+	 * platforms.  The POSIX standard startes that the dates 70-99
+	 * shall refer to 1970-1999 and 00-38 shall refer to 2000-2038.
+	 * This later definition should work on all platforms.
+	 */
+
+	if (TclDateYear < 100) {
+	    if (TclDateYear >= 69) {
+		TclDateYear += 1900;
+	    } else {
+		TclDateYear += 2000;
+	    }
+	}
+	if (Convert(TclDateMonth, TclDateDay, TclDateYear, TclDateHour, TclDateMinutes, TclDateSeconds,
+		TclDateMeridian, TclDateDSTmode, &Start) < 0) {
+            return -1;
+	}
+    } else {
+        Start = now;
+        if (!TclDateHaveRel) {
+            Start -= ((tm->tm_hour * 60L) + tm->tm_min * 60L) + tm->tm_sec;
+	}
+    }
+
+    Start += TclDateRelSeconds;
+    if (RelativeMonth(Start, TclDateRelMonth, &Time) < 0) {
+        return -1;
+    }
+    Start += Time;
+
+    if (TclDateHaveDay && !TclDateHaveDate) {
+        tod = RelativeDate(Start, TclDateDayOrdinal, TclDateDayNumber);
+        Start += tod;
+    }
+
+    *timePtr = Start;
+    return 0;
+}
+TclDatetabelem TclDateexca[] ={
+-1, 1,
+	0, -1,
+	-2, 0,
+	};
+# define YYNPROD 41
+# define YYLAST 227
+TclDatetabelem TclDateact[]={
+
+    14,    11,    23,    28,    17,    12,    19,    18,    16,     9,
+    10,    13,    42,    21,    46,    45,    44,    48,    41,    37,
+    36,    35,    32,    29,    34,    33,    31,    43,    39,    38,
+    30,    15,     8,     7,     6,     5,     4,     3,     2,     1,
+     0,     0,     0,     0,     0,     0,     0,     0,     0,     0,
+     0,     0,     0,     0,     0,     0,     0,     0,     0,     0,
+     0,     0,     0,     0,     0,     0,     0,     0,     0,     0,
+     0,     0,     0,     0,    47,     0,     0,     0,     0,     0,
+     0,     0,     0,     0,     0,     0,     0,     0,     0,     0,
+     0,     0,     0,     0,     0,     0,     0,     0,     0,     0,
+     0,     0,     0,     0,     0,     0,     0,     0,     0,     0,
+     0,     0,     0,     0,     0,     0,     0,     0,     0,     0,
+     0,     0,     0,     0,     0,     0,     0,     0,     0,     0,
+     0,     0,     0,     0,     0,     0,     0,     0,     0,     0,
+     0,     0,     0,     0,     0,     0,     0,     0,     0,     0,
+     0,     0,     0,     0,     0,     0,     0,     0,     0,     0,
+     0,     0,     0,     0,     0,     0,     0,     0,     0,     0,
+     0,     0,     0,     0,     0,     0,     0,     0,     0,     0,
+     0,     0,     0,     0,     0,     0,     0,     0,     0,     0,
+     0,     0,     0,     0,     0,     0,     0,     0,     0,     0,
+     0,     0,     0,     0,     0,     0,     0,     0,     0,     0,
+     0,     0,     0,    22,     0,     0,    20,    25,    24,    27,
+    26,    42,     0,     0,     0,     0,    40 };
+TclDatetabelem TclDatepact[]={
+
+-10000000,  -258,-10000000,-10000000,-10000000,-10000000,-10000000,-10000000,-10000000,   -45,
+  -267,-10000000,  -244,-10000000,   -14,  -231,  -240,-10000000,-10000000,-10000000,
+-10000000,  -246,-10000000,  -247,  -248,-10000000,-10000000,-10000000,-10000000,   -15,
+-10000000,-10000000,-10000000,-10000000,-10000000,   -40,   -20,-10000000,  -251,-10000000,
+-10000000,  -252,-10000000,  -253,-10000000,  -249,-10000000,-10000000,-10000000 };
+TclDatetabelem TclDatepgo[]={
+
+     0,    28,    39,    38,    37,    36,    35,    34,    33,    32,
+    31 };
+TclDatetabelem TclDater1[]={
+
+     0,     2,     2,     3,     3,     3,     3,     3,     3,     4,
+     4,     4,     4,     4,     5,     5,     5,     7,     7,     7,
+     6,     6,     6,     6,     6,     6,     6,     8,     8,    10,
+    10,    10,    10,    10,    10,    10,    10,    10,     9,     1,
+     1 };
+TclDatetabelem TclDater2[]={
+
+     0,     0,     4,     3,     3,     3,     3,     3,     2,     5,
+     9,     9,    13,    13,     5,     3,     3,     3,     5,     5,
+     7,    11,     5,     9,     5,     3,     7,     5,     2,     5,
+     5,     3,     5,     5,     3,     5,     5,     3,     3,     1,
+     3 };
+TclDatetabelem TclDatechk[]={
+
+-10000000,    -2,    -3,    -4,    -5,    -6,    -7,    -8,    -9,   267,
+   268,   259,   263,   269,   258,   -10,   266,   262,   265,   264,
+   261,    58,   258,    47,   263,   262,   265,   264,   270,   267,
+    44,   257,   262,   265,   264,   267,   267,   267,    44,    -1,
+   266,    58,   261,    47,   267,   267,   267,    -1,   266 };
+TclDatetabelem TclDatedef[]={
+
+     1,    -2,     2,     3,     4,     5,     6,     7,     8,    38,
+    15,    16,     0,    25,    17,    28,     0,    31,    34,    37,
+     9,     0,    19,     0,    24,    29,    33,    36,    14,    22,
+    18,    27,    30,    32,    35,    39,    20,    26,     0,    10,
+    11,     0,    40,     0,    23,    39,    21,    12,    13 };
+typedef struct
+#ifdef __cplusplus
+	TclDatetoktype
+#endif
+{ char *t_name; int t_val; } TclDatetoktype;
+#ifndef YYDEBUG
+#	define YYDEBUG	0	/* don't allow debugging */
+#endif
+
+#if YYDEBUG
+
+TclDatetoktype TclDatetoks[] =
+{
+	"tAGO",	257,
+	"tDAY",	258,
+	"tDAYZONE",	259,
+	"tID",	260,
+	"tMERIDIAN",	261,
+	"tMINUTE_UNIT",	262,
+	"tMONTH",	263,
+	"tMONTH_UNIT",	264,
+	"tSEC_UNIT",	265,
+	"tSNUMBER",	266,
+	"tUNUMBER",	267,
+	"tZONE",	268,
+	"tEPOCH",	269,
+	"tDST",	270,
+	"-unknown-",	-1	/* ends search */
+};
+
+char * TclDatereds[] =
+{
+	"-no such reduction-",
+	"spec : /* empty */",
+	"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 tDST",
+	"zone : tZONE",
+	"zone : tDAYZONE",
+	"day : tDAY",
+	"day : tDAY ','",
+	"day : tUNUMBER tDAY",
+	"date : tUNUMBER '/' tUNUMBER",
+	"date : tUNUMBER '/' tUNUMBER '/' tUNUMBER",
+	"date : tMONTH tUNUMBER",
+	"date : tMONTH tUNUMBER ',' tUNUMBER",
+	"date : tUNUMBER tMONTH",
+	"date : tEPOCH",
+	"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 : /* empty */",
+	"o_merid : tMERIDIAN",
+};
+#endif /* YYDEBUG */
+/*
+ * Copyright (c) 1993 by Sun Microsystems, Inc.
+ */
+
+
+/*
+** Skeleton parser driver for yacc output
+*/
+
+/*
+** yacc user known macros and defines
+*/
+#define YYERROR		goto TclDateerrlab
+#define YYACCEPT	return(0)
+#define YYABORT		return(1)
+#define YYBACKUP( newtoken, newvalue )\
+{\
+	if ( TclDatechar >= 0 || ( TclDater2[ TclDatetmp ] >> 1 ) != 1 )\
+	{\
+		TclDateerror( "syntax error - cannot backup" );\
+		goto TclDateerrlab;\
+	}\
+	TclDatechar = newtoken;\
+	TclDatestate = *TclDateps;\
+	TclDatelval = newvalue;\
+	goto TclDatenewstate;\
+}
+#define YYRECOVERING()	(!!TclDateerrflag)
+#define YYNEW(type)	malloc(sizeof(type) * TclDatenewmax)
+#define YYCOPY(to, from, type) \
+	(type *) memcpy(to, (char *) from, TclDatenewmax * sizeof(type))
+#define YYENLARGE( from, type) \
+	(type *) realloc((char *) from, TclDatenewmax * sizeof(type))
+#ifndef YYDEBUG
+#	define YYDEBUG	1	/* make debugging available */
+#endif
+
+/*
+** user known globals
+*/
+int TclDatedebug;			/* set to 1 to get debugging */
+
+/*
+** driver internal defines
+*/
+#define YYFLAG		(-10000000)
+
+/*
+** global variables used by the parser
+*/
+YYSTYPE *TclDatepv;			/* top of value stack */
+int *TclDateps;			/* top of state stack */
+
+int TclDatestate;			/* current state */
+int TclDatetmp;			/* extra var (lasts between blocks) */
+
+int TclDatenerrs;			/* number of errors */
+int TclDateerrflag;			/* error recovery flag */
+int TclDatechar;			/* current input token number */
+
+
+
+#ifdef YYNMBCHARS
+#define YYLEX()		TclDatecvtok(TclDatelex())
+/*
+** TclDatecvtok - return a token if i is a wchar_t value that exceeds 255.
+**	If i<255, i itself is the token.  If i>255 but the neither 
+**	of the 30th or 31st bit is on, i is already a token.
+*/
+#if defined(__STDC__) || defined(__cplusplus)
+int TclDatecvtok(int i)
+#else
+int TclDatecvtok(i) int i;
+#endif
+{
+	int first = 0;
+	int last = YYNMBCHARS - 1;
+	int mid;
+	wchar_t j;
+
+	if(i&0x60000000){/*Must convert to a token. */
+		if( TclDatembchars[last].character < i ){
+			return i;/*Giving up*/
+		}
+		while ((last>=first)&&(first>=0)) {/*Binary search loop*/
+			mid = (first+last)/2;
+			j = TclDatembchars[mid].character;
+			if( j==i ){/*Found*/ 
+				return TclDatembchars[mid].tvalue;
+			}else if( j<i ){
+				first = mid + 1;
+			}else{
+				last = mid -1;
+			}
+		}
+		/*No entry in the table.*/
+		return i;/* Giving up.*/
+	}else{/* i is already a token. */
+		return i;
+	}
+}
+#else/*!YYNMBCHARS*/
+#define YYLEX()		TclDatelex()
+#endif/*!YYNMBCHARS*/
+
+/*
+** TclDateparse - return 0 if worked, 1 if syntax error not recovered from
+*/
+#if defined(__STDC__) || defined(__cplusplus)
+int TclDateparse(void)
+#else
+int TclDateparse()
+#endif
+{
+	register YYSTYPE *TclDatepvt;	/* top of value stack for $vars */
+
+#if defined(__cplusplus) || defined(lint)
+/*
+	hacks to please C++ and lint - goto's inside switch should never be
+	executed; TclDatepvt is set to 0 to avoid "used before set" warning.
+*/
+	static int __yaccpar_lint_hack__ = 0;
+	switch (__yaccpar_lint_hack__)
+	{
+		case 1: goto TclDateerrlab;
+		case 2: goto TclDatenewstate;
+	}
+	TclDatepvt = 0;
+#endif
+
+	/*
+	** Initialize externals - TclDateparse may be called more than once
+	*/
+	TclDatepv = &TclDatev[-1];
+	TclDateps = &TclDates[-1];
+	TclDatestate = 0;
+	TclDatetmp = 0;
+	TclDatenerrs = 0;
+	TclDateerrflag = 0;
+	TclDatechar = -1;
+
+#if YYMAXDEPTH <= 0
+	if (TclDatemaxdepth <= 0)
+	{
+		if ((TclDatemaxdepth = YYEXPAND(0)) <= 0)
+		{
+			TclDateerror("yacc initialization error");
+			YYABORT;
+		}
+	}
+#endif
+
+	{
+		register YYSTYPE *TclDate_pv;	/* top of value stack */
+		register int *TclDate_ps;		/* top of state stack */
+		register int TclDate_state;		/* current state */
+		register int  TclDate_n;		/* internal state number info */
+	goto TclDatestack;	/* moved from 6 lines above to here to please C++ */
+
+		/*
+		** get globals into registers.
+		** branch to here only if YYBACKUP was called.
+		*/
+		TclDate_pv = TclDatepv;
+		TclDate_ps = TclDateps;
+		TclDate_state = TclDatestate;
+		goto TclDate_newstate;
+
+		/*
+		** get globals into registers.
+		** either we just started, or we just finished a reduction
+		*/
+	TclDatestack:
+		TclDate_pv = TclDatepv;
+		TclDate_ps = TclDateps;
+		TclDate_state = TclDatestate;
+
+		/*
+		** top of for (;;) loop while no reductions done
+		*/
+	TclDate_stack:
+		/*
+		** put a state and value onto the stacks
+		*/
+#if YYDEBUG
+		/*
+		** if debugging, look up token value in list of value vs.
+		** name pairs.  0 and negative (-1) are special values.
+		** Note: linear search is used since time is not a real
+		** consideration while debugging.
+		*/
+		if ( TclDatedebug )
+		{
+			register int TclDate_i;
+
+			printf( "State %d, token ", TclDate_state );
+			if ( TclDatechar == 0 )
+				printf( "end-of-file\n" );
+			else if ( TclDatechar < 0 )
+				printf( "-none-\n" );
+			else
+			{
+				for ( TclDate_i = 0; TclDatetoks[TclDate_i].t_val >= 0;
+					TclDate_i++ )
+				{
+					if ( TclDatetoks[TclDate_i].t_val == TclDatechar )
+						break;
+				}
+				printf( "%s\n", TclDatetoks[TclDate_i].t_name );
+			}
+		}
+#endif /* YYDEBUG */
+		if ( ++TclDate_ps >= &TclDates[ TclDatemaxdepth ] )	/* room on stack? */
+		{
+			/*
+			** reallocate and recover.  Note that pointers
+			** have to be reset, or bad things will happen
+			*/
+			int TclDateps_index = (TclDate_ps - TclDates);
+			int TclDatepv_index = (TclDate_pv - TclDatev);
+			int TclDatepvt_index = (TclDatepvt - TclDatev);
+			int TclDatenewmax;
+#ifdef YYEXPAND
+			TclDatenewmax = YYEXPAND(TclDatemaxdepth);
+#else
+			TclDatenewmax = 2 * TclDatemaxdepth;	/* double table size */
+			if (TclDatemaxdepth == YYMAXDEPTH)	/* first time growth */
+			{
+				char *newTclDates = (char *)YYNEW(int);
+				char *newTclDatev = (char *)YYNEW(YYSTYPE);
+				if (newTclDates != 0 && newTclDatev != 0)
+				{
+					TclDates = YYCOPY(newTclDates, TclDates, int);
+					TclDatev = YYCOPY(newTclDatev, TclDatev, YYSTYPE);
+				}
+				else
+					TclDatenewmax = 0;	/* failed */
+			}
+			else				/* not first time */
+			{
+				TclDates = YYENLARGE(TclDates, int);
+				TclDatev = YYENLARGE(TclDatev, YYSTYPE);
+				if (TclDates == 0 || TclDatev == 0)
+					TclDatenewmax = 0;	/* failed */
+			}
+#endif
+			if (TclDatenewmax <= TclDatemaxdepth)	/* tables not expanded */
+			{
+				TclDateerror( "yacc stack overflow" );
+				YYABORT;
+			}
+			TclDatemaxdepth = TclDatenewmax;
+
+			TclDate_ps = TclDates + TclDateps_index;
+			TclDate_pv = TclDatev + TclDatepv_index;
+			TclDatepvt = TclDatev + TclDatepvt_index;
+		}
+		*TclDate_ps = TclDate_state;
+		*++TclDate_pv = TclDateval;
+
+		/*
+		** we have a new state - find out what to do
+		*/
+	TclDate_newstate:
+		if ( ( TclDate_n = TclDatepact[ TclDate_state ] ) <= YYFLAG )
+			goto TclDatedefault;		/* simple state */
+#if YYDEBUG
+		/*
+		** if debugging, need to mark whether new token grabbed
+		*/
+		TclDatetmp = TclDatechar < 0;
+#endif
+		if ( ( TclDatechar < 0 ) && ( ( TclDatechar = YYLEX() ) < 0 ) )
+			TclDatechar = 0;		/* reached EOF */
+#if YYDEBUG
+		if ( TclDatedebug && TclDatetmp )
+		{
+			register int TclDate_i;
+
+			printf( "Received token " );
+			if ( TclDatechar == 0 )
+				printf( "end-of-file\n" );
+			else if ( TclDatechar < 0 )
+				printf( "-none-\n" );
+			else
+			{
+				for ( TclDate_i = 0; TclDatetoks[TclDate_i].t_val >= 0;
+					TclDate_i++ )
+				{
+					if ( TclDatetoks[TclDate_i].t_val == TclDatechar )
+						break;
+				}
+				printf( "%s\n", TclDatetoks[TclDate_i].t_name );
+			}
+		}
+#endif /* YYDEBUG */
+		if ( ( ( TclDate_n += TclDatechar ) < 0 ) || ( TclDate_n >= YYLAST ) )
+			goto TclDatedefault;
+		if ( TclDatechk[ TclDate_n = TclDateact[ TclDate_n ] ] == TclDatechar )	/*valid shift*/
+		{
+			TclDatechar = -1;
+			TclDateval = TclDatelval;
+			TclDate_state = TclDate_n;
+			if ( TclDateerrflag > 0 )
+				TclDateerrflag--;
+			goto TclDate_stack;
+		}
+
+	TclDatedefault:
+		if ( ( TclDate_n = TclDatedef[ TclDate_state ] ) == -2 )
+		{
+#if YYDEBUG
+			TclDatetmp = TclDatechar < 0;
+#endif
+			if ( ( TclDatechar < 0 ) && ( ( TclDatechar = YYLEX() ) < 0 ) )
+				TclDatechar = 0;		/* reached EOF */
+#if YYDEBUG
+			if ( TclDatedebug && TclDatetmp )
+			{
+				register int TclDate_i;
+
+				printf( "Received token " );
+				if ( TclDatechar == 0 )
+					printf( "end-of-file\n" );
+				else if ( TclDatechar < 0 )
+					printf( "-none-\n" );
+				else
+				{
+					for ( TclDate_i = 0;
+						TclDatetoks[TclDate_i].t_val >= 0;
+						TclDate_i++ )
+					{
+						if ( TclDatetoks[TclDate_i].t_val
+							== TclDatechar )
+						{
+							break;
+						}
+					}
+					printf( "%s\n", TclDatetoks[TclDate_i].t_name );
+				}
+			}
+#endif /* YYDEBUG */
+			/*
+			** look through exception table
+			*/
+			{
+				register int *TclDatexi = TclDateexca;
+
+				while ( ( *TclDatexi != -1 ) ||
+					( TclDatexi[1] != TclDate_state ) )
+				{
+					TclDatexi += 2;
+				}
+				while ( ( *(TclDatexi += 2) >= 0 ) &&
+					( *TclDatexi != TclDatechar ) )
+					;
+				if ( ( TclDate_n = TclDatexi[1] ) < 0 )
+					YYACCEPT;
+			}
+		}
+
+		/*
+		** check for syntax error
+		*/
+		if ( TclDate_n == 0 )	/* have an error */
+		{
+			/* no worry about speed here! */
+			switch ( TclDateerrflag )
+			{
+			case 0:		/* new error */
+				TclDateerror( "syntax error" );
+				goto skip_init;
+				/*
+				** get globals into registers.
+				** we have a user generated syntax type error
+				*/
+				TclDate_pv = TclDatepv;
+				TclDate_ps = TclDateps;
+				TclDate_state = TclDatestate;
+			skip_init:
+				TclDatenerrs++;
+				/* FALLTHRU */
+			case 1:
+			case 2:		/* incompletely recovered error */
+					/* try again... */
+				TclDateerrflag = 3;
+				/*
+				** find state where "error" is a legal
+				** shift action
+				*/
+				while ( TclDate_ps >= TclDates )
+				{
+					TclDate_n = TclDatepact[ *TclDate_ps ] + YYERRCODE;
+					if ( TclDate_n >= 0 && TclDate_n < YYLAST &&
+						TclDatechk[TclDateact[TclDate_n]] == YYERRCODE)					{
+						/*
+						** simulate shift of "error"
+						*/
+						TclDate_state = TclDateact[ TclDate_n ];
+						goto TclDate_stack;
+					}
+					/*
+					** current state has no shift on
+					** "error", pop stack
+					*/
+#if YYDEBUG
+#	define _POP_ "Error recovery pops state %d, uncovers state %d\n"
+					if ( TclDatedebug )
+						printf( _POP_, *TclDate_ps,
+							TclDate_ps[-1] );
+#	undef _POP_
+#endif
+					TclDate_ps--;
+					TclDate_pv--;
+				}
+				/*
+				** there is no state on stack with "error" as
+				** a valid shift.  give up.
+				*/
+				YYABORT;
+			case 3:		/* no shift yet; eat a token */
+#if YYDEBUG
+				/*
+				** if debugging, look up token in list of
+				** pairs.  0 and negative shouldn't occur,
+				** but since timing doesn't matter when
+				** debugging, it doesn't hurt to leave the
+				** tests here.
+				*/
+				if ( TclDatedebug )
+				{
+					register int TclDate_i;
+
+					printf( "Error recovery discards " );
+					if ( TclDatechar == 0 )
+						printf( "token end-of-file\n" );
+					else if ( TclDatechar < 0 )
+						printf( "token -none-\n" );
+					else
+					{
+						for ( TclDate_i = 0;
+							TclDatetoks[TclDate_i].t_val >= 0;
+							TclDate_i++ )
+						{
+							if ( TclDatetoks[TclDate_i].t_val
+								== TclDatechar )
+							{
+								break;
+							}
+						}
+						printf( "token %s\n",
+							TclDatetoks[TclDate_i].t_name );
+					}
+				}
+#endif /* YYDEBUG */
+				if ( TclDatechar == 0 )	/* reached EOF. quit */
+					YYABORT;
+				TclDatechar = -1;
+				goto TclDate_newstate;
+			}
+		}/* end if ( TclDate_n == 0 ) */
+		/*
+		** reduction by production TclDate_n
+		** put stack tops, etc. so things right after switch
+		*/
+#if YYDEBUG
+		/*
+		** if debugging, print the string that is the user's
+		** specification of the reduction which is just about
+		** to be done.
+		*/
+		if ( TclDatedebug )
+			printf( "Reduce by (%d) \"%s\"\n",
+				TclDate_n, TclDatereds[ TclDate_n ] );
+#endif
+		TclDatetmp = TclDate_n;			/* value to switch over */
+		TclDatepvt = TclDate_pv;			/* $vars top of value stack */
+		/*
+		** Look in goto table for next state
+		** Sorry about using TclDate_state here as temporary
+		** register variable, but why not, if it works...
+		** If TclDater2[ TclDate_n ] doesn't have the low order bit
+		** set, then there is no action to be done for
+		** this reduction.  So, no saving & unsaving of
+		** registers done.  The only difference between the
+		** code just after the if and the body of the if is
+		** the goto TclDate_stack in the body.  This way the test
+		** can be made before the choice of what to do is needed.
+		*/
+		{
+			/* length of production doubled with extra bit */
+			register int TclDate_len = TclDater2[ TclDate_n ];
+
+			if ( !( TclDate_len & 01 ) )
+			{
+				TclDate_len >>= 1;
+				TclDateval = ( TclDate_pv -= TclDate_len )[1];	/* $$ = $1 */
+				TclDate_state = TclDatepgo[ TclDate_n = TclDater1[ TclDate_n ] ] +
+					*( TclDate_ps -= TclDate_len ) + 1;
+				if ( TclDate_state >= YYLAST ||
+					TclDatechk[ TclDate_state =
+					TclDateact[ TclDate_state ] ] != -TclDate_n )
+				{
+					TclDate_state = TclDateact[ TclDatepgo[ TclDate_n ] ];
+				}
+				goto TclDate_stack;
+			}
+			TclDate_len >>= 1;
+			TclDateval = ( TclDate_pv -= TclDate_len )[1];	/* $$ = $1 */
+			TclDate_state = TclDatepgo[ TclDate_n = TclDater1[ TclDate_n ] ] +
+				*( TclDate_ps -= TclDate_len ) + 1;
+			if ( TclDate_state >= YYLAST ||
+				TclDatechk[ TclDate_state = TclDateact[ TclDate_state ] ] != -TclDate_n )
+			{
+				TclDate_state = TclDateact[ TclDatepgo[ TclDate_n ] ];
+			}
+		}
+					/* save until reenter driver code */
+		TclDatestate = TclDate_state;
+		TclDateps = TclDate_ps;
+		TclDatepv = TclDate_pv;
+	}
+	/*
+	** code supplied by user is placed in this switch
+	*/
+	switch( TclDatetmp )
+	{
+		
+case 3:{
+            TclDateHaveTime++;
+        } break;
+case 4:{
+            TclDateHaveZone++;
+        } break;
+case 5:{
+            TclDateHaveDate++;
+        } break;
+case 6:{
+            TclDateHaveDay++;
+        } break;
+case 7:{
+            TclDateHaveRel++;
+        } break;
+case 9:{
+            TclDateHour = TclDatepvt[-1].Number;
+            TclDateMinutes = 0;
+            TclDateSeconds = 0;
+            TclDateMeridian = TclDatepvt[-0].Meridian;
+        } break;
+case 10:{
+            TclDateHour = TclDatepvt[-3].Number;
+            TclDateMinutes = TclDatepvt[-1].Number;
+            TclDateSeconds = 0;
+            TclDateMeridian = TclDatepvt[-0].Meridian;
+        } break;
+case 11:{
+            TclDateHour = TclDatepvt[-3].Number;
+            TclDateMinutes = TclDatepvt[-1].Number;
+            TclDateMeridian = MER24;
+            TclDateDSTmode = DSToff;
+            TclDateTimezone = - (TclDatepvt[-0].Number % 100 + (TclDatepvt[-0].Number / 100) * 60);
+        } break;
+case 12:{
+            TclDateHour = TclDatepvt[-5].Number;
+            TclDateMinutes = TclDatepvt[-3].Number;
+            TclDateSeconds = TclDatepvt[-1].Number;
+            TclDateMeridian = TclDatepvt[-0].Meridian;
+        } break;
+case 13:{
+            TclDateHour = TclDatepvt[-5].Number;
+            TclDateMinutes = TclDatepvt[-3].Number;
+            TclDateSeconds = TclDatepvt[-1].Number;
+            TclDateMeridian = MER24;
+            TclDateDSTmode = DSToff;
+            TclDateTimezone = - (TclDatepvt[-0].Number % 100 + (TclDatepvt[-0].Number / 100) * 60);
+        } break;
+case 14:{
+            TclDateTimezone = TclDatepvt[-1].Number;
+            TclDateDSTmode = DSTon;
+        } break;
+case 15:{
+            TclDateTimezone = TclDatepvt[-0].Number;
+            TclDateDSTmode = DSToff;
+        } break;
+case 16:{
+            TclDateTimezone = TclDatepvt[-0].Number;
+            TclDateDSTmode = DSTon;
+        } break;
+case 17:{
+            TclDateDayOrdinal = 1;
+            TclDateDayNumber = TclDatepvt[-0].Number;
+        } break;
+case 18:{
+            TclDateDayOrdinal = 1;
+            TclDateDayNumber = TclDatepvt[-1].Number;
+        } break;
+case 19:{
+            TclDateDayOrdinal = TclDatepvt[-1].Number;
+            TclDateDayNumber = TclDatepvt[-0].Number;
+        } break;
+case 20:{
+            TclDateMonth = TclDatepvt[-2].Number;
+            TclDateDay = TclDatepvt[-0].Number;
+        } break;
+case 21:{
+            TclDateMonth = TclDatepvt[-4].Number;
+            TclDateDay = TclDatepvt[-2].Number;
+            TclDateYear = TclDatepvt[-0].Number;
+        } break;
+case 22:{
+            TclDateMonth = TclDatepvt[-1].Number;
+            TclDateDay = TclDatepvt[-0].Number;
+        } break;
+case 23:{
+            TclDateMonth = TclDatepvt[-3].Number;
+            TclDateDay = TclDatepvt[-2].Number;
+            TclDateYear = TclDatepvt[-0].Number;
+        } break;
+case 24:{
+            TclDateMonth = TclDatepvt[-0].Number;
+            TclDateDay = TclDatepvt[-1].Number;
+        } break;
+case 25:{
+				TclDateMonth = 1;
+				TclDateDay = 1;
+				TclDateYear = EPOCH;
+		  } break;
+case 26:{
+            TclDateMonth = TclDatepvt[-1].Number;
+            TclDateDay = TclDatepvt[-2].Number;
+            TclDateYear = TclDatepvt[-0].Number;
+        } break;
+case 27:{
+            TclDateRelSeconds = -TclDateRelSeconds;
+            TclDateRelMonth = -TclDateRelMonth;
+        } break;
+case 29:{
+            TclDateRelSeconds += TclDatepvt[-1].Number * TclDatepvt[-0].Number * 60L;
+        } break;
+case 30:{
+            TclDateRelSeconds += TclDatepvt[-1].Number * TclDatepvt[-0].Number * 60L;
+        } break;
+case 31:{
+            TclDateRelSeconds += TclDatepvt[-0].Number * 60L;
+        } break;
+case 32:{
+            TclDateRelSeconds += TclDatepvt[-1].Number;
+        } break;
+case 33:{
+            TclDateRelSeconds += TclDatepvt[-1].Number;
+        } break;
+case 34:{
+            TclDateRelSeconds++;
+        } break;
+case 35:{
+            TclDateRelMonth += TclDatepvt[-1].Number * TclDatepvt[-0].Number;
+        } break;
+case 36:{
+            TclDateRelMonth += TclDatepvt[-1].Number * TclDatepvt[-0].Number;
+        } break;
+case 37:{
+            TclDateRelMonth += TclDatepvt[-0].Number;
+        } break;
+case 38:{
+	if (TclDateHaveTime && TclDateHaveDate && !TclDateHaveRel) {
+	    TclDateYear = TclDatepvt[-0].Number;
+	} else {
+	    TclDateHaveTime++;
+	    if (TclDatepvt[-0].Number < 100) {
+		TclDateHour = 0;
+		TclDateMinutes = TclDatepvt[-0].Number;
+	    } else {
+		TclDateHour = TclDatepvt[-0].Number / 100;
+		TclDateMinutes = TclDatepvt[-0].Number % 100;
+	    }
+	    TclDateSeconds = 0;
+	    TclDateMeridian = MER24;
+	}
+    } break;
+case 39:{
+            TclDateval.Meridian = MER24;
+        } break;
+case 40:{
+            TclDateval.Meridian = TclDatepvt[-0].Meridian;
+        } break;
+	}
+	goto TclDatestack;		/* reset registers in driver code */
+}
+