[temp-commit]: clock scan tokenizer logic ready (still needs many rules)

caching extended (currentYearCentury, yearOfCenturySwitch, lastBaseDate ...)

5 files changed, 297 insertions, 80 deletions

diff --git a/generic/tclClock.c b/generic/tclClock.c
index e00d6a2..2e7b854 100644
--- a/generic/tclClock.c
+++ b/generic/tclClock.c
@@ -117,6 +117,8 @@ typedef struct ClockClientData {
     Tcl_Obj **literals;		/* Pool of object literals. */
     /* Cache for current clock parameters, imparted via "configure" */
     unsigned long LastTZEpoch;
+    int currentYearCentury;
+    int yearOfCenturySwitch;
     Tcl_Obj *SystemTimeZone;
     Tcl_Obj *SystemSetupTZData;
     Tcl_Obj *GMTSetupTimeZone;
@@ -126,6 +128,9 @@ typedef struct ClockClientData {
     Tcl_Obj *LastUnnormSetupTimeZone;
     Tcl_Obj *LastSetupTimeZone;
     Tcl_Obj *LastSetupTZData;
+    /* Cache for last base (fast convert if base/tz not changed) */
+    Tcl_Obj *lastBaseTimeZone;
+    TclDateFields lastBaseDate;
     /*
     /* [SB] TODO: back-port (from tclSE) the same date caching ...
      * Cache for last date (fast convert if date parsed was the same) * /
@@ -325,6 +330,8 @@ TclClockInit(
 	Tcl_IncrRefCount(data->literals[i]);
     }
     data->LastTZEpoch = 0;
+    data->currentYearCentury = -1;
+    data->yearOfCenturySwitch = -1;
     data->SystemTimeZone = NULL;
     data->SystemSetupTZData = NULL;
     data->GMTSetupTimeZone = NULL;
@@ -335,6 +342,8 @@ TclClockInit(
     data->LastSetupTimeZone = NULL;
     data->LastSetupTZData = NULL;
 
+    data->lastBaseTimeZone = NULL;
+
     /*
      * Install the commands.
      */
@@ -368,6 +377,8 @@ ClockConfigureClear(
     ClockClientData *data)
 {
     data->LastTZEpoch = 0;
+    data->currentYearCentury = -1;
+    data->yearOfCenturySwitch = -1;
     Tcl_UnsetObjRef(data->SystemTimeZone);
     Tcl_UnsetObjRef(data->SystemSetupTZData);
     Tcl_UnsetObjRef(data->GMTSetupTimeZone);
@@ -708,11 +719,16 @@ ClockCurrentYearCentury(
 {
     ClockClientData *dataPtr = clientData;
     Tcl_Obj **literals = dataPtr->literals;
-    int year = 2000;
+    int year = dataPtr->currentYearCentury;
 
-    Tcl_Obj * yearObj = Tcl_ObjGetVar2(interp, 
-	literals[LIT_CURRENTYEARCENTURY], NULL, TCL_LEAVE_ERR_MSG);
-    Tcl_GetIntFromObj(NULL, yearObj, &year);
+    if (year == -1) {
+	Tcl_Obj * yearObj;
+	year = 2000;
+	yearObj = Tcl_ObjGetVar2(interp, 
+	    literals[LIT_CURRENTYEARCENTURY], NULL, TCL_LEAVE_ERR_MSG);
+	Tcl_GetIntFromObj(NULL, yearObj, &year);
+	dataPtr->currentYearCentury = year;
+    }
     return year;
 }
 inline int
@@ -722,11 +738,16 @@ ClockGetYearOfCenturySwitch(
 {
     ClockClientData *dataPtr = clientData;
     Tcl_Obj **literals = dataPtr->literals;
-    int year = 37;
-
-    Tcl_Obj * yearObj = Tcl_ObjGetVar2(interp, 
-	literals[LIT_YEAROFCENTURYSWITCH], NULL, TCL_LEAVE_ERR_MSG);
-    Tcl_GetIntFromObj(NULL, yearObj, &year);
+    int year = dataPtr->yearOfCenturySwitch;
+    
+    if (year == -1) {
+	Tcl_Obj * yearObj;
+	year = 37;
+	yearObj = Tcl_ObjGetVar2(interp, 
+	    literals[LIT_YEAROFCENTURYSWITCH], NULL, TCL_LEAVE_ERR_MSG);
+	Tcl_GetIntFromObj(NULL, yearObj, &year);
+	dataPtr->yearOfCenturySwitch = year;
+    }
     return year;
 }
 
@@ -2557,12 +2578,27 @@ ClockScanObjCmd(
     if (yydate.tzData == NULL) {
 	goto done;
     }
-    yydate.seconds = baseVal;
-    if (ClockGetDateFields(interp, &yydate, yydate.tzData, GREGORIAN_CHANGE_DATE)
-	  != TCL_OK) {
-	goto done;
+    Tcl_SetObjRef(yydate.tzName, opts.timezoneObj);
+
+    /* check cached */
+    if ( dataPtr->lastBaseTimeZone == opts.timezoneObj
+      && dataPtr->lastBaseDate.seconds == baseVal) {
+	memcpy(&yydate, &dataPtr->lastBaseDate, ClockCacheableDateFieldsSize);
+    } else {
+	/* extact fields from base */
+	yydate.seconds = baseVal;
+	if (ClockGetDateFields(interp, &yydate, yydate.tzData, GREGORIAN_CHANGE_DATE)
+	      != TCL_OK) {
+	    goto done;
+	}
+	/* cache last base */
+	memcpy(&dataPtr->lastBaseDate, &yydate, ClockCacheableDateFieldsSize);
+	dataPtr->lastBaseTimeZone = opts.timezoneObj;
     }
 
+    /* seconds are in localSeconds (relative base date), so reset time here */
+    yyHour = 0; yyMinutes = 0; yySeconds = 0; yyMeridian = MER24;
+
     /* If free scan */
     if (opts.formatObj == NULL) {
 	/* Use compiled version of FreeScan - */
@@ -2593,7 +2629,7 @@ ClockScanObjCmd(
     else {
 	/* Use compiled version of Scan - */
 	
-	ret = ClockScan(clientData, interp, &yydate, objv[1], &opts);
+	ret = ClockScan(clientData, interp, info, objv[1], &opts);
     }
 
     if (ret != TCL_OK) {
@@ -2710,6 +2746,9 @@ ClockFreeScan(
 	if (yydate.tzData == NULL) {
 	    goto done;
 	}
+
+	Tcl_SetObjRef(yydate.tzName, opts->timezoneObj);
+
     }
     
     /* on demand (lazy) assemble julianDay using new year, month, etc. */
@@ -2719,8 +2758,6 @@ ClockFreeScan(
      * Assemble date, time, zone into seconds-from-epoch
      */
 
-    Tcl_SetObjRef(yydate.tzName, opts->timezoneObj);
-
     if (yyHaveTime == -1) {
 	yySeconds = 0;
     }
diff --git a/generic/tclClockFmt.c b/generic/tclClockFmt.c
index 93416af..b074681 100644
--- a/generic/tclClockFmt.c
+++ b/generic/tclClockFmt.c
@@ -400,35 +400,48 @@ Tcl_GetClockFrmScnFromObj(
 	(tok) = (chain) + (tokCnt); \
 	(tokCnt) += CLOCK_MIN_TOK_CHAIN_BLOCK_SIZE; \
     } \
-    *(tok) = NULL;
+    memset(tok, 0, sizeof(*(tok)));
 
 const char *ScnSTokenMapChars = 
     "dmyYHMS";
-static ClockScanToken ScnSTokenMap[] = {
-    {CTOKT_DIGIT,  1, 2, 0},
-    {CTOKT_DIGIT,  1, 2, 0},
-    {CTOKT_DIGIT,  1, 2, 0},
-    {CTOKT_DIGIT,  1, 4, 0},
-    {CTOKT_DIGIT,  1, 2, 0},
-    {CTOKT_DIGIT,  1, 2, 0},
-    {CTOKT_DIGIT,  1, 2, 0},
+static ClockScanTokenMap ScnSTokenMap[] = {
+    {CTOKT_DIGIT, CLF_DATE, 1, 2, TclOffset(DateInfo, date.dayOfMonth), 
+	NULL},
+    {CTOKT_DIGIT, CLF_DATE, 1, 2, TclOffset(DateInfo, date.month),
+	NULL},
+    {CTOKT_DIGIT, CLF_DATE, 1, 2, TclOffset(DateInfo, date.year),
+	NULL},
+    {CTOKT_DIGIT, CLF_DATE, 1, 4, TclOffset(DateInfo, date.year),
+	NULL},
+    {CTOKT_DIGIT, CLF_TIME, 1, 2, TclOffset(DateInfo, date.hour),
+	NULL},
+    {CTOKT_DIGIT, CLF_TIME, 1, 2, TclOffset(DateInfo, date.minutes),
+	NULL},
+    {CTOKT_DIGIT, CLF_TIME, 1, 2, TclOffset(DateInfo, date.secondOfDay),
+	NULL},
 };
 const char *ScnSpecTokenMapChars = 
-    " %";
-static ClockScanToken ScnSpecTokenMap[] = {
-    {CTOKT_SPACE,  1, 0xffff, 0},
+    " ";
+static ClockScanTokenMap ScnSpecTokenMap[] = {
+    {CTOKT_SPACE,  0,	    1, 0xffff, 0, 
+	NULL},
+};
+
+static ClockScanTokenMap ScnWordTokenMap = {
+    CTOKT_WORD,	   0,	    1, 0, 0, 
+	NULL
 };
 
 /*
  *----------------------------------------------------------------------
  */
-ClockScanToken **
+ClockScanToken *
 ClockGetOrParseScanFormat(
     Tcl_Interp *interp,		/* Tcl interpreter */
     Tcl_Obj *formatObj)		/* Format container */
 {
     ClockFmtScnStorage *fss;
-    ClockScanToken    **tok;
+    ClockScanToken     *tok;
 
     if (formatObj->typePtr != &ClockFmtObjType) {
 	if (ClockFmtObj_SetFromAny(interp, formatObj) != TCL_OK) {
@@ -448,27 +461,30 @@ ClockGetOrParseScanFormat(
     /* if first time scanning - tokenize format */
     if (fss->scnTok == NULL) {
 	const char *strFmt;
-	register const char *p, *e, *cp, *word_start = NULL;
+	register const char *p, *e, *cp;
 
 	Tcl_MutexLock(&ClockFmtMutex);
 
 	fss->scnTokC = CLOCK_MIN_TOK_CHAIN_BLOCK_SIZE;
 	fss->scnTok =
 		tok = ckalloc(sizeof(*tok) * CLOCK_MIN_TOK_CHAIN_BLOCK_SIZE);
-	*tok = NULL;
+	memset(tok, 0, sizeof(*(tok)));
 	strFmt = TclGetString(formatObj);
 	for (e = p = strFmt, e += formatObj->length; p != e; p++) {
 	    switch (*p) {
 	    case '%':
 		if (p+1 >= e) {
-		    word_start = p;
-		    continue;
+		    goto word_tok;
 		}
 		p++;
 		/* try to find modifier: */
 		switch (*p) {
 		case '%':
-		    word_start = p-1;
+		    /* begin new word token - don't join with previous word token, 
+		     * because current mapping should be "...%%..." -> "...%..." */
+		    tok->map = &ScnWordTokenMap;
+		    tok->tokWord.start = tok->tokWord.end = p;
+		    AllocTokenInChain(tok, fss->scnTok, fss->scnTokC);
 		    continue;
 		break;
 		case 'E':
@@ -480,10 +496,24 @@ ClockGetOrParseScanFormat(
 		default:
 		    cp = strchr(ScnSTokenMapChars, *p);
 		    if (!cp || *cp == '\0') {
-			word_start = p-1;
-			continue;
+			p--;
+			goto word_tok;
+		    }
+		    tok->map = &ScnSTokenMap[cp - ScnSTokenMapChars];
+		    /* calculate look ahead value by standing together tokens */
+		    if (tok > fss->scnTok) {
+			ClockScanToken	   *prevTok = tok - 1;
+			unsigned int	    lookAhead = tok->map->minSize;
+
+			while (prevTok >= fss->scnTok) {
+			    if (prevTok->map->type != tok->map->type) {
+				break;
+			    }
+			    prevTok->lookAhead += lookAhead;
+			    prevTok--;
+			}
 		    }
-		    *tok = &ScnSTokenMap[cp - ScnSTokenMapChars];
+		    /* next token */
 		    AllocTokenInChain(tok, fss->scnTok, fss->scnTokC);
 		break;
 		}
@@ -494,18 +524,33 @@ ClockGetOrParseScanFormat(
 		    p--;
 		    goto word_tok;
 		}
-		*tok = &ScnSpecTokenMap[cp - ScnSpecTokenMapChars];
+		tok->map = &ScnSpecTokenMap[cp - ScnSpecTokenMapChars];
 		AllocTokenInChain(tok, fss->scnTok, fss->scnTokC);
 	    break;
 	    default:
 word_tok:
-
-	    continue;
+	    if (1) {
+		ClockScanToken	 *wordTok = tok;
+		if (tok > fss->scnTok && (tok-1)->map == &ScnWordTokenMap) {
+		    wordTok = tok-1;
+		}
+		wordTok->tokWord.end = p;
+		if (wordTok == tok) {
+		    wordTok->tokWord.start = p;
+		    wordTok->map = &ScnWordTokenMap;
+		    AllocTokenInChain(tok, fss->scnTok, fss->scnTokC);
+		}
+		continue;
+	    }
 	    }
 
 	    continue;
+
 ext_tok_E:
 
+	    /*******************/
+	    continue;
+
 ext_tok_O:
 
 	    /*******************/
@@ -527,23 +572,134 @@ int
 ClockScan(
     ClientData clientData,	/* Client data containing literal pool */
     Tcl_Interp *interp,		/* Tcl interpreter */
-    TclDateFields *date,	/* Date fields used for converting */
+    register DateInfo *info,	/* Date fields used for parsing & converting */
     Tcl_Obj *strObj,		/* String containing the time to scan */
     ClockFmtScnCmdArgs *opts)	/* Command options */
 {
-    ClockScanToken    **tok;
+    ClockScanToken	*tok;
+    ClockScanTokenMap	*map;
+    register const char *p, *x, *end;
+    unsigned short int	 flags = 0;
+    int ret = TCL_ERROR;
 
     if ((tok = ClockGetOrParseScanFormat(interp, opts->formatObj)) == NULL) {
 	return TCL_ERROR;
     }
+
+    /* prepare parsing */
+
+    yyMeridian = MER24;
+
+    /* bypass spaces at begin of string */
+
+    p = TclGetString(strObj);
+    end = p + strObj->length;
+    while (p < end && isspace(UCHAR(*p))) {
+	p++;
+    }
+    info->dateStart = yyInput = p;
+    
+    /* parse string */
+    for (; tok->map != NULL; yyInput = p, tok++) {
+	map = tok->map;
+	switch (map->type)
+	{
+	case CTOKT_DIGIT:
+	if (1) {
+	    unsigned int val = 0;
+	    int size = map->maxSize;
+	    /* greedy find digits (look forward), corresponding pre-calculated lookAhead */
+	    size += tok->lookAhead;
+	    x = yyInput + size;
+	    while (isdigit(UCHAR(*p)) && p < x) { p++; };
+	    /* consider reserved (lookAhead) for next tokens */
+	    p -= tok->lookAhead;
+	    size = p - yyInput;
+	    if (size < map->minSize) {
+		/* missing input -> error */
+		goto done;
+	    }
+	    /* string 2 number */
+	    p = yyInput; x = p + size;
+	    while (p < x) {
+		val = val * 10 + (*p++ - '0');
+	    }
+	    /* put number into info by offset */
+	    *(time_t *)(((char *)info) + map->offs) = val;
+	    flags |= map->flags;
+	}
+	break;
+	case CTOKT_SPACE:
+	    while (p < end && isspace(UCHAR(*p))) {
+		p++;
+	    }
+	break;
+	case CTOKT_WORD:
+	    x = tok->tokWord.start;
+	    if (x == tok->tokWord.end) { /* single char word */
+		if (*p != *x) {
+		    /* no match -> error */
+		    goto done;
+		}
+		p++;
+		continue;
+	    }
+	    /* multi-char word */
+	    while (p < end && x < tok->tokWord.end && *p++ == *x++) {};
+	    if (x < tok->tokWord.end) {
+		/* no match -> error */
+		goto done;
+	    }
+	break;
+	}
+    }
     
-    //***********************************
+    /* ignore spaces at end */
+    while (p < end && isspace(UCHAR(*p))) {
+	p++;
+    }
+    /* check end was reached */
+    if (p < end) {
+	/* something after last token - wrong format */
+	goto done;
+    }
 
-    Tcl_SetObjResult(interp, Tcl_NewWideIntObj((Tcl_WideInt)tok));
-    return TCL_OK;
+    /* invalidate result */
+    if (flags & CLF_DATE) {
 
+	yydate.julianDay = CL_INVALIDATE;
+
+	if (yyYear < 100) {
+	    if (yyYear >= ClockGetYearOfCenturySwitch(clientData, interp)) {
+		yyYear -= 100;
+	    }
+	    yyYear += ClockCurrentYearCentury(clientData, interp);
+	}
+	yydate.era = CE;
+	if (!(flags & CLF_TIME)) {
+	    yydate.localSeconds = 0;
+	}
+    }
+
+    if (flags & CLF_TIME) {
+	yySeconds = ToSeconds(yyHour, yyMinutes,
+			    yySeconds, yyMeridian);
+    } else {
+	yySeconds = yydate.localSeconds % 86400;
+    }
+
+    ret = TCL_OK;
+
+done:
+
+    if (ret != TCL_OK) {
+	Tcl_SetResult(interp,
+	    "input string does not match supplied format", TCL_STATIC);
+	Tcl_SetErrorCode(interp, "CLOCK", "badInputString", NULL);
+	return ret;
+    }
 
-    return TCL_ERROR;
+    return ret;
 }
 
 
diff --git a/generic/tclDate.c b/generic/tclDate.c
index a47f43d..97d13b4 100644
--- a/generic/tclDate.c
+++ b/generic/tclDate.c
@@ -2691,7 +2691,6 @@ TclClockFreeScan(
     yyHaveDate = 0;
 
     yyHaveTime = 0;
-    yyHour = 0; yyMinutes = 0; yySeconds = 0; yyMeridian = MER24;
 
     yyHaveZone = 0;
     yyTimezone = 0; yyDSTmode = DSTmaybe;
diff --git a/generic/tclDate.h b/generic/tclDate.h
index 49420a2..4b0b47e 100644
--- a/generic/tclDate.h
+++ b/generic/tclDate.h
@@ -22,60 +22,64 @@ typedef struct TclDateFields {
 				 * epoch */
     Tcl_WideInt localSeconds;	/* Local time expressed in nominal seconds
 				 * from the Posix epoch */
-    int tzOffset;		/* Time zone offset in seconds east of
+    time_t tzOffset;		/* Time zone offset in seconds east of
 				 * Greenwich */
+    time_t julianDay;		/* Julian Day Number in local time zone */
+    enum {BCE=1, CE=0} era;	/* Era */
+    time_t gregorian;		/* Flag == 1 if the date is Gregorian */
+    time_t year;		/* Year of the era */
+    time_t dayOfYear;		/* Day of the year (1 January == 1) */
+    time_t month;		/* Month number */
+    time_t dayOfMonth;		/* Day of the month */
+    time_t iso8601Year;		/* ISO8601 week-based year */
+    time_t iso8601Week;		/* ISO8601 week number */
+    time_t dayOfWeek;		/* Day of the week */
+    time_t hour;		/* Hours of day (in-between time only calculation) */
+    time_t minutes;		/* Minutes of day (in-between time only calculation) */
+    time_t secondOfDay;		/* Seconds of day (in-between time only calculation) */
+
     Tcl_Obj *tzName;		/* Time zone name (if set the refCount is incremented) */
     Tcl_Obj *tzData;		/* Time zone data object (internally referenced) */
-    int julianDay;		/* Julian Day Number in local time zone */
-    enum {BCE=1, CE=0} era;	/* Era */
-    int gregorian;		/* Flag == 1 if the date is Gregorian */
-    int year;			/* Year of the era */
-    int dayOfYear;		/* Day of the year (1 January == 1) */
-    int month;			/* Month number */
-    int dayOfMonth;		/* Day of the month */
-    int iso8601Year;		/* ISO8601 week-based year */
-    int iso8601Week;		/* ISO8601 week number */
-    int dayOfWeek;		/* Day of the week */
-    int hour;			/* Hours of day (in-between time only calculation) */
-    int minutes;		/* Minutes of day (in-between time only calculation) */
-    int secondOfDay;		/* Seconds of day (in-between time only calculation) */
 } TclDateFields;
 
+#define ClockCacheableDateFieldsSize \
+    TclOffset(TclDateFields, tzName)
+
 /*
  * Structure contains return parsed fields.
  */
 
 typedef struct DateInfo {
+    const char *dateStart;
+    const char *dateInput;
 
     TclDateFields date;
 
-    int dateHaveDate;
+    time_t dateHaveDate;
 
-    int dateMeridian;
-    int dateHaveTime;
+    time_t dateMeridian;
+    time_t dateHaveTime;
 
     time_t dateTimezone;
-    int dateDSTmode;
-    int dateHaveZone;
+    time_t dateDSTmode;
+    time_t dateHaveZone;
 
     time_t dateRelMonth;
     time_t dateRelDay;
     time_t dateRelSeconds;
-    int dateHaveRel;
+    time_t dateHaveRel;
 
     time_t dateMonthOrdinalIncr;
     time_t dateMonthOrdinal;
-    int dateHaveOrdinalMonth;
+    time_t dateHaveOrdinalMonth;
 
     time_t dateDayOrdinal;
     time_t dateDayNumber;
-    int dateHaveDay;
+    time_t dateHaveDay;
 
-    const char *dateStart;
-    const char *dateInput;
     time_t *dateRelPointer;
 
-    int dateDigitCount;
+    time_t dateDigitCount;
 
     Tcl_Obj* messages;	    /* Error messages */
     const char* separatrix; /* String separating messages */
@@ -140,8 +144,19 @@ typedef enum _MERIDIAN {
 
 #define CLOCK_MIN_TOK_CHAIN_BLOCK_SIZE 12
 
+typedef struct ClockScanToken ClockScanToken;
+
+
+typedef int ClockScanTokenProc(
+	DateInfo *info,
+	ClockScanToken *tok);
+
+
+#define CLF_DATE (1 << 2)
+#define CLF_TIME (1 << 3)
+
 typedef enum _CLCKTOK_TYPE {
-   CTOKT_EOB=0, CTOKT_DIGIT, CTOKT_SPACE
+   CTOKT_DIGIT = 1, CTOKT_SPACE, CTOKT_WORD
 } CLCKTOK_TYPE;
 
 typedef struct ClockFmtScnStorage ClockFmtScnStorage;
@@ -150,18 +165,29 @@ typedef struct ClockFormatToken {
     CLCKTOK_TYPE      type;
 } ClockFormatToken;
 
-typedef struct ClockScanToken {
+typedef struct ClockScanTokenMap {
     unsigned short int	type;
+    unsigned short int	flags;
     unsigned short int	minSize;
     unsigned short int	maxSize;
     unsigned short int	offs;
+    ClockScanTokenProc *parser;
+} ClockScanTokenMap;
+
+typedef struct ClockScanToken {
+    ClockScanTokenMap  *map;
+    unsigned int	lookAhead;
+    struct {
+	const char *start;
+	const char *end;
+    } tokWord;
 } ClockScanToken;
 
 typedef struct ClockFmtScnStorage {
     int			 objRefCount;	/* Reference count shared across threads */
-    ClockScanToken     **scnTok;
+    ClockScanToken	*scnTok;
     unsigned int	 scnTokC;
-    ClockFormatToken   **fmtTok;
+    ClockFormatToken	*fmtTok;
     unsigned int	 fmtTokC;
 #if CLOCK_FMT_SCN_STORAGE_GC_SIZE > 0
     ClockFmtScnStorage	*nextPtr;
@@ -191,8 +217,8 @@ MODULE_SCOPE ClockFmtScnStorage *
 			Tcl_Obj *objPtr);
 
 MODULE_SCOPE int    ClockScan(ClientData clientData, Tcl_Interp *interp,
-			TclDateFields *date, Tcl_Obj *strObj, 
-			ClockFmtScnCmdArgs *opts);
+			register DateInfo *info,
+			Tcl_Obj *strObj, ClockFmtScnCmdArgs *opts);
 
 /*
  * Other externals.
diff --git a/generic/tclGetDate.y b/generic/tclGetDate.y
index 571b7df..54087ca 100644
--- a/generic/tclGetDate.y
+++ b/generic/tclGetDate.y
@@ -902,7 +902,6 @@ TclClockFreeScan(
     yyHaveDate = 0;
 
     yyHaveTime = 0;
-    yyHour = 0; yyMinutes = 0; yySeconds = 0; yyMeridian = MER24;
 
     yyHaveZone = 0;
     yyTimezone = 0; yyDSTmode = DSTmaybe;