summaryrefslogtreecommitdiffstats
path: root/generic/tclDate.c
diff options
context:
space:
mode:
Diffstat (limited to 'generic/tclDate.c')
-rw-r--r--generic/tclDate.c1638
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 */
+}
+