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-rw-r--r--generic/tclGetDate.y1743
1 files changed, 885 insertions, 858 deletions
diff --git a/generic/tclGetDate.y b/generic/tclGetDate.y
index da4c3fd..d210526 100644
--- a/generic/tclGetDate.y
+++ b/generic/tclGetDate.y
@@ -1,409 +1,337 @@
-/*
+/*
* tclGetDate.y --
*
- * Contains yacc grammar for parsing date and time strings. The output of
- * this file should be the file tclDate.c which is used directly in the
- * Tcl sources. Note that this file is largely obsolete in Tcl 8.5; it is
- * only used when doing free-form date parsing, an ill-defined process
- * anyway.
+ * Contains yacc grammar for parsing date and time strings.
+ * The output of this file should be the file tclDate.c which
+ * is used directly in the Tcl sources.
*
* 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.
+ * See the file "license.terms" for information on usage and redistribution
+ * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*/
-%parse-param {DateInfo* info}
-%lex-param {DateInfo* info}
-%pure-parser
- /* %error-verbose would be nice, but our token names are meaningless */
-%locations
-
%{
-/*
+/*
* tclDate.c --
*
- * This file is generated from a yacc grammar defined in the file
- * tclGetDate.y. It should not be edited directly.
+ * 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.
+ * See the file "license.terms" for information on usage and redistribution
+ * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
+ * SCCSID
*/
-#include "tclInt.h"
-/*
- * Bison generates several labels that happen to be unused. MS Visual C++
- * doesn't like that, and complains. Tell it to shut up.
- */
-
-#ifdef _MSC_VER
-#pragma warning( disable : 4102 )
-#endif /* _MSC_VER */
-
-/*
- * yyparse will accept a 'struct DateInfo' as its parameter; that's where the
- * parsed fields will be returned.
- */
-
-typedef struct DateInfo {
-
- Tcl_Obj* messages; /* Error messages */
- const char* separatrix; /* String separating messages */
-
- time_t dateYear;
- time_t dateMonth;
- time_t dateDay;
- int dateHaveDate;
-
- time_t dateHour;
- time_t dateMinutes;
- time_t dateSeconds;
- int dateMeridian;
- int dateHaveTime;
-
- time_t dateTimezone;
- int dateDSTmode;
- int dateHaveZone;
-
- time_t dateRelMonth;
- time_t dateRelDay;
- time_t dateRelSeconds;
- int dateHaveRel;
-
- time_t dateMonthOrdinal;
- int dateHaveOrdinalMonth;
-
- time_t dateDayOrdinal;
- time_t dateDayNumber;
- int dateHaveDay;
-
- const char *dateStart;
- const char *dateInput;
- time_t *dateRelPointer;
-
- int dateDigitCount;
-} DateInfo;
-
-#define YYMALLOC ckalloc
-#define YYFREE(x) (ckfree((void*) (x)))
-
-#define yyDSTmode (info->dateDSTmode)
-#define yyDayOrdinal (info->dateDayOrdinal)
-#define yyDayNumber (info->dateDayNumber)
-#define yyMonthOrdinal (info->dateMonthOrdinal)
-#define yyHaveDate (info->dateHaveDate)
-#define yyHaveDay (info->dateHaveDay)
-#define yyHaveOrdinalMonth (info->dateHaveOrdinalMonth)
-#define yyHaveRel (info->dateHaveRel)
-#define yyHaveTime (info->dateHaveTime)
-#define yyHaveZone (info->dateHaveZone)
-#define yyTimezone (info->dateTimezone)
-#define yyDay (info->dateDay)
-#define yyMonth (info->dateMonth)
-#define yyYear (info->dateYear)
-#define yyHour (info->dateHour)
-#define yyMinutes (info->dateMinutes)
-#define yySeconds (info->dateSeconds)
-#define yyMeridian (info->dateMeridian)
-#define yyRelMonth (info->dateRelMonth)
-#define yyRelDay (info->dateRelDay)
-#define yyRelSeconds (info->dateRelSeconds)
-#define yyRelPointer (info->dateRelPointer)
-#define yyInput (info->dateInput)
-#define yyDigitCount (info->dateDigitCount)
-
-#define EPOCH 1970
-#define START_OF_TIME 1902
-#define END_OF_TIME 2037
+#include "tclInt.h"
+#include "tclPort.h"
+
+#if defined(MAC_TCL) && !defined(TCL_MAC_USE_MSL_EPOCH)
+# 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.
- * Posix requires 1900.
+ * 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 TM_YEAR_BASE 1900
-
-#define HOUR(x) ((int) (60 * x))
-#define SECSPERDAY (24L * 60L * 60L)
-#define IsLeapYear(x) ((x % 4 == 0) && (x % 100 != 0 || x % 400 == 0))
+#define HOUR(x) ((int) (60 * x))
+#define SECSPERDAY (24L * 60L * 60L)
+#define IsLeapYear(x) ((x % 4 == 0) && (x % 100 != 0 || x % 400 == 0))
/*
- * An entry in the lexical lookup table.
+ * An entry in the lexical lookup table.
*/
-
typedef struct _TABLE {
- const char *name;
- int type;
- time_t value;
+ char *name;
+ int type;
+ time_t value;
} TABLE;
+
/*
- * Daylight-savings mode: on, off, or not yet known.
+ * Daylight-savings mode: on, off, or not yet known.
*/
-
typedef enum _DSTMODE {
DSTon, DSToff, DSTmaybe
} DSTMODE;
/*
- * Meridian: am, pm, or 24-hour style.
+ * Meridian: am, pm, or 24-hour style.
*/
-
typedef enum _MERIDIAN {
MERam, MERpm, MER24
} MERIDIAN;
-%}
-
-%union {
- time_t Number;
- enum _MERIDIAN Meridian;
-}
-%{
+/*
+ * Global variables. We could get rid of most of these by using a good
+ * union as the yacc stack. (This routine was originally written before
+ * yacc had the %union construct.) Maybe someday; right now we only use
+ * the %union very rarely.
+ */
+static char *yyInput;
+static DSTMODE yyDSTmode;
+static time_t yyDayOrdinal;
+static time_t yyDayNumber;
+static time_t yyMonthOrdinal;
+static int yyHaveDate;
+static int yyHaveDay;
+static int yyHaveOrdinalMonth;
+static int yyHaveRel;
+static int yyHaveTime;
+static int yyHaveZone;
+static time_t yyTimezone;
+static time_t yyDay;
+static time_t yyHour;
+static time_t yyMinutes;
+static time_t yyMonth;
+static time_t yySeconds;
+static time_t yyYear;
+static MERIDIAN yyMeridian;
+static time_t yyRelMonth;
+static time_t yyRelDay;
+static time_t yyRelSeconds;
+static time_t *yyRelPointer;
/*
* Prototypes of internal functions.
*/
+static void yyerror _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 NamedDay _ANSI_ARGS_((time_t Start, time_t DayOrdinal,
+ time_t DayNumber));
+static time_t NamedMonth _ANSI_ARGS_((time_t Start, time_t MonthOrdinal,
+ time_t MonthNumber));
+static int RelativeMonth _ANSI_ARGS_((time_t Start, time_t RelMonth,
+ time_t *TimePtr));
+static int RelativeDay _ANSI_ARGS_((time_t Start, time_t RelDay,
+ time_t *TimePtr));
+static int LookupWord _ANSI_ARGS_((char *buff));
+static int yylex _ANSI_ARGS_((void));
-static int LookupWord(YYSTYPE* yylvalPtr, char *buff);
- static void TclDateerror(YYLTYPE* location,
- DateInfo* info, const char *s);
- static int TclDatelex(YYSTYPE* yylvalPtr, YYLTYPE* location,
- DateInfo* info);
-static time_t ToSeconds(time_t Hours, time_t Minutes,
- time_t Seconds, MERIDIAN Meridian);
-MODULE_SCOPE int yyparse(DateInfo*);
-
+int
+yyparse _ANSI_ARGS_((void));
%}
-%token tAGO
-%token tDAY
-%token tDAYZONE
-%token tID
-%token tMERIDIAN
-%token tMONTH
-%token tMONTH_UNIT
-%token tSTARDATE
-%token tSEC_UNIT
-%token tSNUMBER
-%token tUNUMBER
-%token tZONE
-%token tEPOCH
-%token tDST
-%token tISOBASE
-%token tDAY_UNIT
-%token tNEXT
-
-%type <Number> tDAY
-%type <Number> tDAYZONE
-%type <Number> tMONTH
-%type <Number> tMONTH_UNIT
-%type <Number> tDST
-%type <Number> tSEC_UNIT
-%type <Number> tSNUMBER
-%type <Number> tUNUMBER
-%type <Number> tZONE
-%type <Number> tISOBASE
-%type <Number> tDAY_UNIT
-%type <Number> unit
-%type <Number> sign
-%type <Number> tNEXT
-%type <Number> tSTARDATE
-%type <Meridian> tMERIDIAN
-%type <Meridian> o_merid
+%union {
+ time_t Number;
+ enum _MERIDIAN Meridian;
+}
-%%
+%token tAGO tDAY tDAYZONE tID tMERIDIAN tMINUTE_UNIT tMONTH tMONTH_UNIT
+%token tSTARDATE tSEC_UNIT tSNUMBER tUNUMBER tZONE tEPOCH tDST tISOBASE
+%token tDAY_UNIT tNEXT
-spec : /* NULL */
- | spec item
- ;
+%type <Number> tDAY tDAYZONE tMINUTE_UNIT tMONTH tMONTH_UNIT tDST
+%type <Number> tSEC_UNIT tSNUMBER tUNUMBER tZONE tISOBASE tDAY_UNIT
+%type <Number> unit sign tNEXT tSTARDATE
+%type <Meridian> tMERIDIAN o_merid
-item : time {
- yyHaveTime++;
- }
- | zone {
- yyHaveZone++;
- }
- | date {
- yyHaveDate++;
- }
- | ordMonth {
- yyHaveOrdinalMonth++;
- }
- | day {
- yyHaveDay++;
- }
- | relspec {
- yyHaveRel++;
- }
- | iso {
+%%
+
+spec : /* NULL */
+ | spec item
+ ;
+
+item : time {
+ yyHaveTime++;
+ }
+ | zone {
+ yyHaveZone++;
+ }
+ | date {
+ yyHaveDate++;
+ }
+ | ordMonth {
+ yyHaveOrdinalMonth++;
+ }
+ | day {
+ yyHaveDay++;
+ }
+ | relspec {
+ yyHaveRel++;
+ }
+ | iso {
yyHaveTime++;
yyHaveDate++;
}
- | trek {
+ | trek {
yyHaveTime++;
yyHaveDate++;
yyHaveRel++;
- }
- | number
- ;
-
-time : tUNUMBER tMERIDIAN {
- yyHour = $1;
- yyMinutes = 0;
- yySeconds = 0;
- yyMeridian = $2;
- }
- | tUNUMBER ':' tUNUMBER o_merid {
- yyHour = $1;
- yyMinutes = $3;
- yySeconds = 0;
- yyMeridian = $4;
- }
- | tUNUMBER ':' tUNUMBER '-' tUNUMBER {
- yyHour = $1;
- yyMinutes = $3;
- yyMeridian = MER24;
- yyDSTmode = DSToff;
- yyTimezone = ($5 % 100 + ($5 / 100) * 60);
- ++yyHaveZone;
- }
- | tUNUMBER ':' tUNUMBER ':' tUNUMBER o_merid {
- yyHour = $1;
- yyMinutes = $3;
- yySeconds = $5;
- yyMeridian = $6;
- }
- | tUNUMBER ':' tUNUMBER ':' tUNUMBER '-' tUNUMBER {
- yyHour = $1;
- yyMinutes = $3;
- yySeconds = $5;
- yyMeridian = MER24;
- yyDSTmode = DSToff;
- yyTimezone = ($7 % 100 + ($7 / 100) * 60);
- ++yyHaveZone;
- }
- ;
-
-zone : tZONE tDST {
- yyTimezone = $1;
- yyDSTmode = DSTon;
- }
- | tZONE {
- yyTimezone = $1;
- yyDSTmode = DSToff;
- }
- | tDAYZONE {
- yyTimezone = $1;
- yyDSTmode = DSTon;
- }
- ;
-
-day : tDAY {
- yyDayOrdinal = 1;
- yyDayNumber = $1;
- }
- | tDAY ',' {
- yyDayOrdinal = 1;
- yyDayNumber = $1;
- }
- | tUNUMBER tDAY {
- yyDayOrdinal = $1;
- yyDayNumber = $2;
- }
- | sign tUNUMBER tDAY {
- yyDayOrdinal = $1 * $2;
- yyDayNumber = $3;
- }
- | tNEXT tDAY {
- yyDayOrdinal = 2;
- yyDayNumber = $2;
- }
- ;
-
-date : tUNUMBER '/' tUNUMBER {
- yyMonth = $1;
- yyDay = $3;
- }
- | tUNUMBER '/' tUNUMBER '/' tUNUMBER {
- yyMonth = $1;
- yyDay = $3;
- yyYear = $5;
- }
- | tISOBASE {
+ }
+ | number
+ ;
+
+time : tUNUMBER tMERIDIAN {
+ yyHour = $1;
+ yyMinutes = 0;
+ yySeconds = 0;
+ yyMeridian = $2;
+ }
+ | tUNUMBER ':' tUNUMBER o_merid {
+ yyHour = $1;
+ yyMinutes = $3;
+ yySeconds = 0;
+ yyMeridian = $4;
+ }
+ | tUNUMBER ':' tUNUMBER '-' tUNUMBER {
+ yyHour = $1;
+ yyMinutes = $3;
+ yyMeridian = MER24;
+ yyDSTmode = DSToff;
+ yyTimezone = ($5 % 100 + ($5 / 100) * 60);
+ }
+ | tUNUMBER ':' tUNUMBER ':' tUNUMBER o_merid {
+ yyHour = $1;
+ yyMinutes = $3;
+ yySeconds = $5;
+ yyMeridian = $6;
+ }
+ | tUNUMBER ':' tUNUMBER ':' tUNUMBER '-' tUNUMBER {
+ yyHour = $1;
+ yyMinutes = $3;
+ yySeconds = $5;
+ yyMeridian = MER24;
+ yyDSTmode = DSToff;
+ yyTimezone = ($7 % 100 + ($7 / 100) * 60);
+ }
+ ;
+
+zone : tZONE tDST {
+ yyTimezone = $1;
+ yyDSTmode = DSTon;
+ }
+ | tZONE {
+ yyTimezone = $1;
+ yyDSTmode = DSToff;
+ }
+ | tDAYZONE {
+ yyTimezone = $1;
+ yyDSTmode = DSTon;
+ }
+ ;
+
+day : tDAY {
+ yyDayOrdinal = 1;
+ yyDayNumber = $1;
+ }
+ | tDAY ',' {
+ yyDayOrdinal = 1;
+ yyDayNumber = $1;
+ }
+ | tUNUMBER tDAY {
+ yyDayOrdinal = $1;
+ yyDayNumber = $2;
+ }
+ | sign tUNUMBER tDAY {
+ yyDayOrdinal = $1 * $2;
+ yyDayNumber = $3;
+ }
+ | tNEXT tDAY {
+ yyDayOrdinal = 2;
+ yyDayNumber = $2;
+ }
+ ;
+
+date : tUNUMBER '/' tUNUMBER {
+ yyMonth = $1;
+ yyDay = $3;
+ }
+ | tUNUMBER '/' tUNUMBER '/' tUNUMBER {
+ yyMonth = $1;
+ yyDay = $3;
+ yyYear = $5;
+ }
+ | tISOBASE {
yyYear = $1 / 10000;
yyMonth = ($1 % 10000)/100;
yyDay = $1 % 100;
}
- | tUNUMBER '-' tMONTH '-' tUNUMBER {
+ | tUNUMBER '-' tMONTH '-' tUNUMBER {
yyDay = $1;
yyMonth = $3;
yyYear = $5;
}
- | tUNUMBER '-' tUNUMBER '-' tUNUMBER {
- yyMonth = $3;
- yyDay = $5;
- yyYear = $1;
- }
- | tMONTH tUNUMBER {
- yyMonth = $1;
- yyDay = $2;
- }
- | tMONTH tUNUMBER ',' tUNUMBER {
- yyMonth = $1;
- yyDay = $2;
- yyYear = $4;
- }
- | tUNUMBER tMONTH {
- yyMonth = $2;
- yyDay = $1;
- }
- | tEPOCH {
+ | tUNUMBER '-' tUNUMBER '-' tUNUMBER {
+ yyMonth = $3;
+ yyDay = $5;
+ yyYear = $1;
+ }
+ | tMONTH tUNUMBER {
+ yyMonth = $1;
+ yyDay = $2;
+ }
+ | tMONTH tUNUMBER ',' tUNUMBER {
+ yyMonth = $1;
+ yyDay = $2;
+ yyYear = $4;
+ }
+ | tUNUMBER tMONTH {
+ yyMonth = $2;
+ yyDay = $1;
+ }
+ | tEPOCH {
yyMonth = 1;
yyDay = 1;
yyYear = EPOCH;
}
- | tUNUMBER tMONTH tUNUMBER {
- yyMonth = $2;
- yyDay = $1;
- yyYear = $3;
- }
- ;
+ | tUNUMBER tMONTH tUNUMBER {
+ yyMonth = $2;
+ yyDay = $1;
+ yyYear = $3;
+ }
+ ;
ordMonth: tNEXT tMONTH {
yyMonthOrdinal = 1;
yyMonth = $2;
}
- | tNEXT tUNUMBER tMONTH {
+ | tNEXT tUNUMBER tMONTH {
yyMonthOrdinal = $2;
yyMonth = $3;
}
- ;
+ ;
-iso : tISOBASE tZONE tISOBASE {
- if ($2 != HOUR( 7)) YYABORT;
+iso : tISOBASE tZONE tISOBASE {
+ if ($2 != HOUR(- 7)) YYABORT;
yyYear = $1 / 10000;
yyMonth = ($1 % 10000)/100;
yyDay = $1 % 100;
yyHour = $3 / 10000;
yyMinutes = ($3 % 10000)/100;
yySeconds = $3 % 100;
- }
- | tISOBASE tZONE tUNUMBER ':' tUNUMBER ':' tUNUMBER {
- if ($2 != HOUR( 7)) YYABORT;
+ }
+ | tISOBASE tZONE tUNUMBER ':' tUNUMBER ':' tUNUMBER {
+ if ($2 != HOUR(- 7)) YYABORT;
yyYear = $1 / 10000;
yyMonth = ($1 % 10000)/100;
yyDay = $1 % 100;
yyHour = $3;
yyMinutes = $5;
yySeconds = $7;
- }
+ }
| tISOBASE tISOBASE {
yyYear = $1 / 10000;
yyMonth = ($1 % 10000)/100;
@@ -411,22 +339,21 @@ iso : tISOBASE tZONE tISOBASE {
yyHour = $2 / 10000;
yyMinutes = ($2 % 10000)/100;
yySeconds = $2 % 100;
- }
- ;
+ }
+ ;
-trek : tSTARDATE tUNUMBER '.' tUNUMBER {
- /*
- * Offset computed year by -377 so that the returned years will be
- * in a range accessible with a 32 bit clock seconds value.
+trek : tSTARDATE tUNUMBER '.' tUNUMBER {
+ /*
+ * Offset computed year by -377 so that the returned years will
+ * be in a range accessible with a 32 bit clock seconds value
*/
-
- yyYear = $2/1000 + 2323 - 377;
- yyDay = 1;
+ yyYear = $2/1000 + 2323 - 377;
+ yyDay = 1;
yyMonth = 1;
yyRelDay += (($2%1000)*(365 + IsLeapYear(yyYear)))/1000;
yyRelSeconds += $4 * 144 * 60;
- }
- ;
+ }
+ ;
relspec : relunits tAGO {
yyRelSeconds *= -1;
@@ -435,340 +362,521 @@ relspec : relunits tAGO {
}
| relunits
;
-
-relunits : sign tUNUMBER unit {
- *yyRelPointer += $1 * $2 * $3;
- }
- | tUNUMBER unit {
- *yyRelPointer += $1 * $2;
- }
- | tNEXT unit {
- *yyRelPointer += $2;
- }
- | tNEXT tUNUMBER unit {
- *yyRelPointer += $2 * $3;
- }
- | unit {
- *yyRelPointer += $1;
- }
- ;
-
-sign : '-' {
- $$ = -1;
- }
- | '+' {
- $$ = 1;
- }
- ;
-
-unit : tSEC_UNIT {
- $$ = $1;
- yyRelPointer = &yyRelSeconds;
- }
- | tDAY_UNIT {
- $$ = $1;
- yyRelPointer = &yyRelDay;
- }
- | tMONTH_UNIT {
- $$ = $1;
- yyRelPointer = &yyRelMonth;
- }
- ;
-
-number : tUNUMBER {
- if (yyHaveTime && yyHaveDate && !yyHaveRel) {
- yyYear = $1;
+relunits : sign tUNUMBER unit { *yyRelPointer += $1 * $2 * $3; }
+ | tUNUMBER unit { *yyRelPointer += $1 * $2; }
+ | tNEXT unit { *yyRelPointer += $2; }
+ | tNEXT tUNUMBER unit { *yyRelPointer += $2 * $3; }
+ | unit { *yyRelPointer += $1; }
+ ;
+sign : '-' { $$ = -1; }
+ | '+' { $$ = 1; }
+ ;
+unit : tSEC_UNIT { $$ = $1; yyRelPointer = &yyRelSeconds; }
+ | tDAY_UNIT { $$ = $1; yyRelPointer = &yyRelDay; }
+ | tMONTH_UNIT { $$ = $1; yyRelPointer = &yyRelMonth; }
+ ;
+
+number : tUNUMBER
+ {
+ if (yyHaveTime && yyHaveDate && !yyHaveRel) {
+ yyYear = $1;
+ } else {
+ yyHaveTime++;
+ if ($1 < 100) {
+ yyHour = $1;
+ yyMinutes = 0;
} else {
- yyHaveTime++;
- if (yyDigitCount <= 2) {
- yyHour = $1;
- yyMinutes = 0;
- } else {
- yyHour = $1 / 100;
- yyMinutes = $1 % 100;
- }
- yySeconds = 0;
- yyMeridian = MER24;
+ yyHour = $1 / 100;
+ yyMinutes = $1 % 100;
}
+ yySeconds = 0;
+ yyMeridian = MER24;
}
- ;
+ }
+;
o_merid : /* NULL */ {
- $$ = MER24;
- }
- | tMERIDIAN {
- $$ = $1;
- }
- ;
+ $$ = MER24;
+ }
+ | tMERIDIAN {
+ $$ = $1;
+ }
+ ;
%%
+
/*
* Month and day table.
*/
-
-static const 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, 0, 0 }
+static CONST 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 const TABLE UnitsTable[] = {
- { "year", tMONTH_UNIT, 12 },
- { "month", tMONTH_UNIT, 1 },
- { "fortnight", tDAY_UNIT, 14 },
- { "week", tDAY_UNIT, 7 },
- { "day", tDAY_UNIT, 1 },
- { "hour", tSEC_UNIT, 60 * 60 },
- { "minute", tSEC_UNIT, 60 },
- { "min", tSEC_UNIT, 60 },
- { "second", tSEC_UNIT, 1 },
- { "sec", tSEC_UNIT, 1 },
- { NULL, 0, 0 }
+static CONST TABLE UnitsTable[] = {
+ { "year", tMONTH_UNIT, 12 },
+ { "month", tMONTH_UNIT, 1 },
+ { "fortnight", tDAY_UNIT, 14 },
+ { "week", tDAY_UNIT, 7 },
+ { "day", tDAY_UNIT, 1 },
+ { "hour", tSEC_UNIT, 60 * 60 },
+ { "minute", tSEC_UNIT, 60 },
+ { "min", tSEC_UNIT, 60 },
+ { "second", tSEC_UNIT, 1 },
+ { "sec", tSEC_UNIT, 1 },
+ { NULL }
};
/*
* Assorted relative-time words.
*/
-
-static const TABLE OtherTable[] = {
- { "tomorrow", tDAY_UNIT, 1 },
- { "yesterday", tDAY_UNIT, -1 },
- { "today", tDAY_UNIT, 0 },
- { "now", tSEC_UNIT, 0 },
- { "last", tUNUMBER, -1 },
- { "this", tSEC_UNIT, 0 },
- { "next", tNEXT, 1 },
+static CONST TABLE OtherTable[] = {
+ { "tomorrow", tDAY_UNIT, 1 },
+ { "yesterday", tDAY_UNIT, -1 },
+ { "today", tDAY_UNIT, 0 },
+ { "now", tSEC_UNIT, 0 },
+ { "last", tUNUMBER, -1 },
+ { "this", tSEC_UNIT, 0 },
+ { "next", tNEXT, 1 },
#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 },
+ { "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 },
- { "stardate", tSTARDATE, 0 },
- { NULL, 0, 0 }
+ { "ago", tAGO, 1 },
+ { "epoch", tEPOCH, 0 },
+ { "stardate", tSTARDATE, 0},
+ { NULL }
};
/*
- * The timezone table. (Note: This table was modified to not use any floating
+ * The timezone table. (Note: This table was modified to not use any floating
* point constants to work around an SGI compiler bug).
*/
-
-static const TABLE TimezoneTable[] = {
- { "gmt", tZONE, HOUR( 0) }, /* Greenwich Mean */
- { "ut", tZONE, HOUR( 0) }, /* Universal (Coordinated) */
- { "utc", tZONE, HOUR( 0) },
- { "uct", tZONE, HOUR( 0) }, /* Universal Coordinated Time */
- { "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
+static CONST TABLE TimezoneTable[] = {
+ { "gmt", tZONE, HOUR( 0) }, /* Greenwich Mean */
+ { "ut", tZONE, HOUR( 0) }, /* Universal (Coordinated) */
+ { "utc", tZONE, HOUR( 0) },
+ { "uct", tZONE, HOUR( 0) }, /* Universal Coordinated Time */
+ { "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 */
+ { "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 */
- { "cest", tDAYZONE, -HOUR( 1) }, /* Central European Summer */
- { "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
+ { "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 */
+ { "cest", tDAYZONE, -HOUR( 1) }, /* Central European Summer */
+ { "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 */
- { "jdt", tDAYZONE, -HOUR( 9) }, /* Japan Daylight */
- { "kst", tZONE, -HOUR( 9) }, /* Korea Standard */
- { "kdt", tDAYZONE, -HOUR( 9) }, /* Korea Daylight */
- { "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 */
+ { "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 */
+ { "jdt", tDAYZONE, -HOUR( 9) }, /* Japan Daylight */
+ { "kst", tZONE, -HOUR( 9) }, /* Korea Standard */
+ { "kdt", tDAYZONE, -HOUR( 9) }, /* Korea Daylight */
+ { "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) */
+ { "dst", tDST, HOUR( 0) }, /* DST on (hour is ignored) */
/* End ADDED */
- { NULL, 0, 0 }
+ { NULL }
};
/*
* Military timezone table.
*/
-
-static const 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, 0, 0 }
+static CONST 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(
- YYLTYPE* location,
- DateInfo* infoPtr,
- const char *s)
+yyerror(s)
+ char *s;
{
- Tcl_Obj* t;
- Tcl_AppendToObj(infoPtr->messages, infoPtr->separatrix, -1);
- Tcl_AppendToObj(infoPtr->messages, s, -1);
- Tcl_AppendToObj(infoPtr->messages, " (characters ", -1);
- t = Tcl_NewIntObj(location->first_column);
- Tcl_IncrRefCount(t);
- Tcl_AppendObjToObj(infoPtr->messages, t);
- Tcl_DecrRefCount(t);
- Tcl_AppendToObj(infoPtr->messages, "-", -1);
- t = Tcl_NewIntObj(location->last_column);
- Tcl_IncrRefCount(t);
- Tcl_AppendObjToObj(infoPtr->messages, t);
- Tcl_DecrRefCount(t);
- Tcl_AppendToObj(infoPtr->messages, ")", -1);
- infoPtr->separatrix = "\n";
}
+
static time_t
-ToSeconds(
- time_t Hours,
- time_t Minutes,
- time_t Seconds,
- MERIDIAN Meridian)
+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;
- }
+ 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;
+ 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;
+ 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;
+ if (Hours < 1 || Hours > 12)
+ return -1;
+ return (((Hours % 12) + 12) * 60L + Minutes) * 60L + Seconds;
}
- return -1; /* Should never be reached */
+ return -1; /* Should never be reached */
}
+/*
+ *-----------------------------------------------------------------------------
+ *
+ * Convert --
+ *
+ * Convert a {month, day, year, hours, minutes, seconds, meridian, dst}
+ * tuple into a clock seconds value.
+ *
+ * Results:
+ * 0 or -1 indicating success or failure.
+ *
+ * Side effects:
+ * Fills TimePtr with the computed value.
+ *
+ *-----------------------------------------------------------------------------
+ */
static int
-LookupWord(
- YYSTYPE* yylvalPtr,
- char *buff)
+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;
+
+ /* Figure out how many days are in February for the given year.
+ * Every year divisible by 4 is a leap year.
+ * But, every year divisible by 100 is not a leap year.
+ * But, every year divisible by 400 is a leap year after all.
+ */
+ DaysInMonth[1] = IsLeapYear(Year) ? 29 : 28;
+
+ /* Check the inputs for validity */
+ if (Month < 1 || Month > 12
+ || Year < START_OF_TIME || Year > END_OF_TIME
+ || Day < 1 || Day > DaysInMonth[(int)--Month])
+ return -1;
+
+ /* Start computing the value. First determine the number of days
+ * represented by the date, then multiply by the number of seconds/day.
+ */
+ for (Julian = Day - 1, i = 0; i < Month; i++)
+ Julian += DaysInMonth[i];
+ if (Year >= EPOCH) {
+ for (i = EPOCH; i < Year; i++)
+ Julian += 365 + IsLeapYear(i);
+ } else {
+ for (i = Year; i < EPOCH; i++)
+ Julian -= 365 + IsLeapYear(i);
+ }
+ Julian *= SECSPERDAY;
+
+ /* Add the timezone offset ?? */
+ Julian += yyTimezone * 60L;
+
+ /* Add the number of seconds represented by the time component */
+ if ((tod = ToSeconds(Hours, Minutes, Seconds, Meridian)) < 0)
+ return -1;
+ Julian += tod;
+
+ /* Perform a preliminary DST compensation ?? */
+ if (DSTmode == DSTon
+ || (DSTmode == DSTmaybe && TclpGetDate((TclpTime_t)&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((TclpTime_t)&Start, 0)->tm_hour + 1) % 24;
+ FutureDay = (TclpGetDate((TclpTime_t)&Future, 0)->tm_hour + 1) % 24;
+ return (Future - Start) + (StartDay - FutureDay) * 60L * 60L;
+}
+
+
+static time_t
+NamedDay(Start, DayOrdinal, DayNumber)
+ time_t Start;
+ time_t DayOrdinal;
+ time_t DayNumber;
+{
+ struct tm *tm;
+ time_t now;
+
+ now = Start;
+ tm = TclpGetDate((TclpTime_t)&now, 0);
+ now += SECSPERDAY * ((DayNumber - tm->tm_wday + 7) % 7);
+ now += 7 * SECSPERDAY * (DayOrdinal <= 0 ? DayOrdinal : DayOrdinal - 1);
+ return DSTcorrect(Start, now);
+}
+
+static time_t
+NamedMonth(Start, MonthOrdinal, MonthNumber)
+ time_t Start;
+ time_t MonthOrdinal;
+ time_t MonthNumber;
+{
+ struct tm *tm;
+ time_t now;
+ int result;
+
+ now = Start;
+ tm = TclpGetDate((TclpTime_t)&now, 0);
+ /* To compute the next n'th month, we use this alg:
+ * add n to year value
+ * if currentMonth < requestedMonth decrement year value by 1 (so that
+ * doing next february from january gives us february of the current year)
+ * set day to 1, time to 0
+ */
+ tm->tm_year += MonthOrdinal;
+ if (tm->tm_mon < MonthNumber - 1) {
+ tm->tm_year--;
+ }
+ result = Convert(MonthNumber, (time_t) 1, tm->tm_year + TM_YEAR_BASE,
+ (time_t) 0, (time_t) 0, (time_t) 0, MER24, DSTmaybe, &now);
+ if (result < 0) {
+ return 0;
+ }
+ 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((TclpTime_t)&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 Julian time returned above is behind by one day, if "month"
+ * or "year" is used to specify relative time and the GMT flag is true.
+ * This problem occurs only when the current time is closer to
+ * midnight, the difference being not more than its time difference
+ * with GMT. For example, in US/Pacific time zone, the problem occurs
+ * whenever the current time is between midnight to 8:00am or 7:00amDST.
+ * See Bug# 413397 for more details and sample script.
+ * To resolve this bug, we simply add the number of seconds corresponding
+ * to timezone difference with GMT to Julian time, if GMT flag is true.
+ */
+
+ if (TclDateTimezone == 0) {
+ Julian += TclpGetTimeZone((unsigned long) Start) * 60L;
+ }
+
+ /*
+ * 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;
+}
+
+
+/*
+ *-----------------------------------------------------------------------------
+ *
+ * RelativeDay --
+ *
+ * Given a starting time and a number of days before or after, compute the
+ * DST corrected difference between those dates.
+ *
+ * Results:
+ * 1 or -1 indicating success or failure.
+ *
+ * Side effects:
+ * Fills TimePtr with the computed value.
+ *
+ *-----------------------------------------------------------------------------
+ */
+
+static int
+RelativeDay(Start, RelDay, TimePtr)
+ time_t Start;
+ time_t RelDay;
+ time_t *TimePtr;
+{
+ time_t new;
+
+ new = Start + (RelDay * 60 * 60 * 24);
+ *TimePtr = DSTcorrect(Start, new);
+ return 1;
+}
+
+static int
+LookupWord(buff)
+ char *buff;
{
register char *p;
register char *q;
- register const TABLE *tp;
- int i, abbrev;
+ register CONST TABLE *tp;
+ int i;
+ int abbrev;
/*
* Make it lowercase.
@@ -777,354 +885,273 @@ LookupWord(
Tcl_UtfToLower(buff);
if (strcmp(buff, "am") == 0 || strcmp(buff, "a.m.") == 0) {
- yylvalPtr->Meridian = MERam;
- return tMERIDIAN;
+ yylval.Meridian = MERam;
+ return tMERIDIAN;
}
if (strcmp(buff, "pm") == 0 || strcmp(buff, "p.m.") == 0) {
- yylvalPtr->Meridian = MERpm;
- return tMERIDIAN;
+ yylval.Meridian = MERpm;
+ return tMERIDIAN;
}
/*
* See if we have an abbreviation for a month.
*/
-
if (strlen(buff) == 3) {
- abbrev = 1;
+ abbrev = 1;
} else if (strlen(buff) == 4 && buff[3] == '.') {
- abbrev = 1;
- buff[3] = '\0';
+ abbrev = 1;
+ buff[3] = '\0';
} else {
- abbrev = 0;
+ abbrev = 0;
}
for (tp = MonthDayTable; tp->name; tp++) {
- if (abbrev) {
- if (strncmp(buff, tp->name, 3) == 0) {
- yylvalPtr->Number = tp->value;
- return tp->type;
- }
- } else if (strcmp(buff, tp->name) == 0) {
- yylvalPtr->Number = tp->value;
- return tp->type;
- }
+ if (abbrev) {
+ if (strncmp(buff, tp->name, 3) == 0) {
+ yylval.Number = tp->value;
+ return tp->type;
+ }
+ } else if (strcmp(buff, tp->name) == 0) {
+ yylval.Number = tp->value;
+ return tp->type;
+ }
}
for (tp = TimezoneTable; tp->name; tp++) {
- if (strcmp(buff, tp->name) == 0) {
- yylvalPtr->Number = tp->value;
- return tp->type;
- }
+ if (strcmp(buff, tp->name) == 0) {
+ yylval.Number = tp->value;
+ return tp->type;
+ }
}
for (tp = UnitsTable; tp->name; tp++) {
- if (strcmp(buff, tp->name) == 0) {
- yylvalPtr->Number = tp->value;
- return tp->type;
- }
+ if (strcmp(buff, tp->name) == 0) {
+ yylval.Number = tp->value;
+ return tp->type;
+ }
}
/*
* Strip off any plural and try the units table again.
*/
-
i = strlen(buff) - 1;
- if (i > 0 && buff[i] == 's') {
- buff[i] = '\0';
- for (tp = UnitsTable; tp->name; tp++) {
- if (strcmp(buff, tp->name) == 0) {
- yylvalPtr->Number = tp->value;
- return tp->type;
- }
+ if (buff[i] == 's') {
+ buff[i] = '\0';
+ for (tp = UnitsTable; tp->name; tp++) {
+ if (strcmp(buff, tp->name) == 0) {
+ yylval.Number = tp->value;
+ return tp->type;
+ }
}
}
for (tp = OtherTable; tp->name; tp++) {
- if (strcmp(buff, tp->name) == 0) {
- yylvalPtr->Number = tp->value;
- return tp->type;
- }
+ if (strcmp(buff, tp->name) == 0) {
+ yylval.Number = tp->value;
+ return tp->type;
+ }
}
/*
* Military timezones.
*/
-
if (buff[1] == '\0' && !(*buff & 0x80)
- && isalpha(UCHAR(*buff))) { /* INTL: ISO only */
- for (tp = MilitaryTable; tp->name; tp++) {
- if (strcmp(buff, tp->name) == 0) {
- yylvalPtr->Number = tp->value;
- return tp->type;
- }
+ && isalpha(UCHAR(*buff))) { /* INTL: ISO only */
+ for (tp = MilitaryTable; tp->name; tp++) {
+ if (strcmp(buff, tp->name) == 0) {
+ yylval.Number = tp->value;
+ return tp->type;
+ }
}
}
/*
* Drop out any periods and try the timezone table again.
*/
-
- for (i = 0, p = q = buff; *q; q++) {
- if (*q != '.') {
- *p++ = *q;
- } else {
- i++;
+ 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) {
- yylvalPtr->Number = tp->value;
- return tp->type;
- }
+ for (tp = TimezoneTable; tp->name; tp++) {
+ if (strcmp(buff, tp->name) == 0) {
+ yylval.Number = tp->value;
+ return tp->type;
+ }
}
}
-
+
return tID;
}
+
static int
-TclDatelex(
- YYSTYPE* yylvalPtr,
- YYLTYPE* location,
- DateInfo *info)
+yylex()
{
- register char c;
- register char *p;
- char buff[20];
- int Count;
+ register char c;
+ register char *p;
+ char buff[20];
+ int Count;
- location->first_column = yyInput - info->dateStart;
for ( ; ; ) {
- while (isspace(UCHAR(*yyInput))) {
- yyInput++;
+ while (isspace(UCHAR(*yyInput))) {
+ yyInput++;
}
- if (isdigit(UCHAR(c = *yyInput))) { /* INTL: digit */
- /*
- * Convert the string into a number; count the number of digits.
- */
-
+ if (isdigit(UCHAR(c = *yyInput))) { /* INTL: digit */
+ /* convert the string into a number; count the number of digits */
Count = 0;
- for (yylvalPtr->Number = 0;
- isdigit(UCHAR(c = *yyInput++)); ) { /* INTL: digit */
- yylvalPtr->Number = 10 * yylvalPtr->Number + c - '0';
+ for (yylval.Number = 0;
+ isdigit(UCHAR(c = *yyInput++)); ) { /* INTL: digit */
+ yylval.Number = 10 * yylval.Number + c - '0';
Count++;
}
- yyInput--;
- yyDigitCount = Count;
-
- /*
- * A number with 6 or more digits is considered an ISO 8601 base.
- */
-
+ yyInput--;
+ /* A number with 6 or more digits is considered an ISO 8601 base */
if (Count >= 6) {
- location->last_column = yyInput - info->dateStart - 1;
return tISOBASE;
} else {
- location->last_column = yyInput - info->dateStart - 1;
return tUNUMBER;
}
- }
- if (!(c & 0x80) && isalpha(UCHAR(c))) { /* INTL: ISO only. */
- for (p = buff; isalpha(UCHAR(c = *yyInput++)) /* INTL: ISO only. */
+ }
+ if (!(c & 0x80) && isalpha(UCHAR(c))) { /* INTL: ISO only. */
+ for (p = buff; isalpha(UCHAR(c = *yyInput++)) /* INTL: ISO only. */
|| c == '.'; ) {
- if (p < &buff[sizeof buff - 1]) {
- *p++ = c;
+ if (p < &buff[sizeof buff - 1]) {
+ *p++ = c;
}
}
- *p = '\0';
- yyInput--;
- location->last_column = yyInput - info->dateStart - 1;
- return LookupWord(yylvalPtr, buff);
- }
- if (c != '(') {
- location->last_column = yyInput - info->dateStart;
- return *yyInput++;
- }
- Count = 0;
- do {
- c = *yyInput++;
- if (c == '\0') {
- location->last_column = yyInput - info->dateStart - 1;
- return c;
+ *p = '\0';
+ yyInput--;
+ return LookupWord(buff);
+ }
+ if (c != '(') {
+ return *yyInput++;
+ }
+ Count = 0;
+ do {
+ c = *yyInput++;
+ if (c == '\0') {
+ return c;
} else if (c == '(') {
- Count++;
+ Count++;
} else if (c == ')') {
- Count--;
+ Count--;
}
- } while (Count > 0);
+ } while (Count > 0);
}
}
+/*
+ * Specify zone is of -50000 to force GMT. (This allows BST to work).
+ */
+
int
-TclClockOldscanObjCmd(
- ClientData clientData, /* Unused */
- Tcl_Interp *interp, /* Tcl interpreter */
- int objc, /* Count of paraneters */
- Tcl_Obj *const *objv) /* Parameters */
+TclGetDate(p, now, zone, timePtr)
+ char *p;
+ Tcl_WideInt now;
+ long zone;
+ Tcl_WideInt *timePtr;
{
- Tcl_Obj *result, *resultElement;
- int yr, mo, da;
- DateInfo dateInfo;
- DateInfo* info = &dateInfo;
- int status;
-
- if (objc != 5) {
- Tcl_WrongNumArgs(interp, 1, objv,
- "stringToParse baseYear baseMonth baseDay" );
- return TCL_ERROR;
+ struct tm *tm;
+ time_t Start;
+ time_t Time;
+ time_t tod;
+ int thisyear;
+
+ yyInput = p;
+ /* now has to be cast to a time_t for 64bit compliance */
+ Start = (time_t) now;
+ tm = TclpGetDate((TclpTime_t) &Start, (zone == -50000));
+ thisyear = tm->tm_year + TM_YEAR_BASE;
+ yyYear = thisyear;
+ yyMonth = tm->tm_mon + 1;
+ yyDay = tm->tm_mday;
+ yyTimezone = zone;
+ if (zone == -50000) {
+ yyDSTmode = DSToff; /* assume GMT */
+ yyTimezone = 0;
+ } else {
+ yyDSTmode = DSTmaybe;
}
-
- yyInput = Tcl_GetString( objv[1] );
- dateInfo.dateStart = yyInput;
+ yyHour = 0;
+ yyMinutes = 0;
+ yySeconds = 0;
+ yyMeridian = MER24;
+ yyRelSeconds = 0;
+ yyRelMonth = 0;
+ yyRelDay = 0;
+ yyRelPointer = NULL;
yyHaveDate = 0;
- if (Tcl_GetIntFromObj(interp, objv[2], &yr) != TCL_OK
- || Tcl_GetIntFromObj(interp, objv[3], &mo) != TCL_OK
- || Tcl_GetIntFromObj(interp, objv[4], &da) != TCL_OK) {
- return TCL_ERROR;
- }
- yyYear = yr; yyMonth = mo; yyDay = da;
-
- yyHaveTime = 0;
- yyHour = 0; yyMinutes = 0; yySeconds = 0; yyMeridian = MER24;
-
- yyHaveZone = 0;
- yyTimezone = 0; yyDSTmode = DSTmaybe;
-
- yyHaveOrdinalMonth = 0;
- yyMonthOrdinal = 0;
-
yyHaveDay = 0;
- yyDayOrdinal = 0; yyDayNumber = 0;
-
+ yyHaveOrdinalMonth = 0;
yyHaveRel = 0;
- yyRelMonth = 0; yyRelDay = 0; yyRelSeconds = 0; yyRelPointer = NULL;
-
- dateInfo.messages = Tcl_NewObj();
- dateInfo.separatrix = "";
- Tcl_IncrRefCount(dateInfo.messages);
-
- status = yyparse(&dateInfo);
- if (status == 1) {
- Tcl_SetObjResult(interp, dateInfo.messages);
- Tcl_DecrRefCount(dateInfo.messages);
- Tcl_SetErrorCode(interp, "TCL", "VALUE", "DATE", "PARSE", NULL);
- return TCL_ERROR;
- } else if (status == 2) {
- Tcl_SetObjResult(interp, Tcl_NewStringObj("memory exhausted", -1));
- Tcl_DecrRefCount(dateInfo.messages);
- Tcl_SetErrorCode(interp, "TCL", "MEMORY", NULL);
- return TCL_ERROR;
- } else if (status != 0) {
- Tcl_SetObjResult(interp, Tcl_NewStringObj("Unknown status returned "
- "from date parser. Please "
- "report this error as a "
- "bug in Tcl.", -1));
- Tcl_DecrRefCount(dateInfo.messages);
- Tcl_SetErrorCode(interp, "TCL", "BUG", NULL);
- return TCL_ERROR;
- }
- Tcl_DecrRefCount(dateInfo.messages);
-
- if (yyHaveDate > 1) {
- Tcl_SetObjResult(interp,
- Tcl_NewStringObj("more than one date in string", -1));
- Tcl_SetErrorCode(interp, "TCL", "VALUE", "DATE", "MULTIPLE", NULL);
- return TCL_ERROR;
- }
- if (yyHaveTime > 1) {
- Tcl_SetObjResult(interp,
- Tcl_NewStringObj("more than one time of day in string", -1));
- Tcl_SetErrorCode(interp, "TCL", "VALUE", "DATE", "MULTIPLE", NULL);
- return TCL_ERROR;
- }
- if (yyHaveZone > 1) {
- Tcl_SetObjResult(interp,
- Tcl_NewStringObj("more than one time zone in string", -1));
- Tcl_SetErrorCode(interp, "TCL", "VALUE", "DATE", "MULTIPLE", NULL);
- return TCL_ERROR;
- }
- if (yyHaveDay > 1) {
- Tcl_SetObjResult(interp,
- Tcl_NewStringObj("more than one weekday in string", -1));
- Tcl_SetErrorCode(interp, "TCL", "VALUE", "DATE", "MULTIPLE", NULL);
- return TCL_ERROR;
- }
- if (yyHaveOrdinalMonth > 1) {
- Tcl_SetObjResult(interp,
- Tcl_NewStringObj("more than one ordinal month in string", -1));
- Tcl_SetErrorCode(interp, "TCL", "VALUE", "DATE", "MULTIPLE", NULL);
- return TCL_ERROR;
- }
+ yyHaveTime = 0;
+ yyHaveZone = 0;
- result = Tcl_NewObj();
- resultElement = Tcl_NewObj();
- if (yyHaveDate) {
- Tcl_ListObjAppendElement(interp, resultElement,
- Tcl_NewIntObj((int) yyYear));
- Tcl_ListObjAppendElement(interp, resultElement,
- Tcl_NewIntObj((int) yyMonth));
- Tcl_ListObjAppendElement(interp, resultElement,
- Tcl_NewIntObj((int) yyDay));
+ if (yyparse() || yyHaveTime > 1 || yyHaveZone > 1 || yyHaveDate > 1 ||
+ yyHaveDay > 1 || yyHaveOrdinalMonth > 1) {
+ return -1;
}
- Tcl_ListObjAppendElement(interp, result, resultElement);
-
- if (yyHaveTime) {
- Tcl_ListObjAppendElement(interp, result, Tcl_NewIntObj((int)
- ToSeconds(yyHour, yyMinutes, yySeconds, yyMeridian)));
+
+ if (yyHaveDate || yyHaveTime || yyHaveDay) {
+ 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(yyMonth, yyDay, yyYear, yyHour, yyMinutes, yySeconds,
+ yyMeridian, yyDSTmode, &Start) < 0) {
+ return -1;
+ }
} else {
- Tcl_ListObjAppendElement(interp, result, Tcl_NewObj());
+ Start = (time_t) now;
+ if (!yyHaveRel) {
+ Start -= ((tm->tm_hour * 60L * 60L) +
+ tm->tm_min * 60L) + tm->tm_sec;
+ }
}
- resultElement = Tcl_NewObj();
- if (yyHaveZone) {
- Tcl_ListObjAppendElement(interp, resultElement,
- Tcl_NewIntObj((int) -yyTimezone));
- Tcl_ListObjAppendElement(interp, resultElement,
- Tcl_NewIntObj(1 - yyDSTmode));
+ Start += yyRelSeconds;
+ if (RelativeMonth(Start, yyRelMonth, &Time) < 0) {
+ return -1;
}
- Tcl_ListObjAppendElement(interp, result, resultElement);
-
- resultElement = Tcl_NewObj();
- if (yyHaveRel) {
- Tcl_ListObjAppendElement(interp, resultElement,
- Tcl_NewIntObj((int) yyRelMonth));
- Tcl_ListObjAppendElement(interp, resultElement,
- Tcl_NewIntObj((int) yyRelDay));
- Tcl_ListObjAppendElement(interp, resultElement,
- Tcl_NewIntObj((int) yyRelSeconds));
- }
- Tcl_ListObjAppendElement(interp, result, resultElement);
+ Start += Time;
- resultElement = Tcl_NewObj();
+ if (RelativeDay(Start, yyRelDay, &Time) < 0) {
+ return -1;
+ }
+ Start += Time;
+
if (yyHaveDay && !yyHaveDate) {
- Tcl_ListObjAppendElement(interp, resultElement,
- Tcl_NewIntObj((int) yyDayOrdinal));
- Tcl_ListObjAppendElement(interp, resultElement,
- Tcl_NewIntObj((int) yyDayNumber));
+ tod = NamedDay(Start, yyDayOrdinal, yyDayNumber);
+ Start += tod;
}
- Tcl_ListObjAppendElement(interp, result, resultElement);
- resultElement = Tcl_NewObj();
if (yyHaveOrdinalMonth) {
- Tcl_ListObjAppendElement(interp, resultElement,
- Tcl_NewIntObj((int) yyMonthOrdinal));
- Tcl_ListObjAppendElement(interp, resultElement,
- Tcl_NewIntObj((int) yyMonth));
+ tod = NamedMonth(Start, yyMonthOrdinal, yyMonth);
+ Start += tod;
}
- Tcl_ListObjAppendElement(interp, result, resultElement);
-
- Tcl_SetObjResult(interp, result);
- return TCL_OK;
+
+ *timePtr = Start;
+ return 0;
}
-
-/*
- * Local Variables:
- * mode: c
- * c-basic-offset: 4
- * fill-column: 78
- * End:
- */
generated by cgit v0.12 at 2024-08-29 13:26:05 (GMT)