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RFC: date parser strawman

From: mark benedetto king <mbk_at_lowlatency.com>
Date: 2003-12-21 06:42:24 CET

Here's a quick patch for review.

Remove the getdate.y-based date-parser, replacing it with a simpler
though less powerful one.

* subversion/libsvn_subr/date.c: New file.
* subversion/libsvn_subr/getdate.y: Deleted.
* subversion/libsvn_subr/getdate.cw: Deleted.
* subversion/include/svn_time.h:
  (struct getdate_time): Removed.
  (svn_parse_date): Update prototype and documentation comment to reflect
   the new interface.
* subversion/libsvn_subr/opt.c
  (parse_one_rev): Use the new interface.
* autogen.sh:
  Remove generation of getdate.c from getdate.y.

Index: subversion/include/svn_time.h
===================================================================
--- subversion/include/svn_time.h (revision 8041)
+++ subversion/include/svn_time.h (working copy)
@@ -50,17 +50,13 @@
 const char *svn_time_to_human_cstring (apr_time_t when, apr_pool_t *pool);
 
 
-/** Needed by @c getdate.y parser. */
-struct getdate_time {
- time_t time;
- short timezone;
-};
-
-/** The one interface in our @c getdate.y parser; convert
- * human-readable date @a text into a standard C @c time_t. The 2nd
- * argument is unused; we always pass @c NULL.
+/** Convert human-readable date @a text into an @c apr_time_t, using
+ * @a now as the current time and @a gmtoff as an indicator of
+ * seconds east of GMT, storing the result in @a val. Return
+ * TRUE iff the date is parsed successfully.
  */
-time_t svn_parse_date (char *text, struct getdate_time *now);
+svn_boolean_t svn_parse_date (const char *text, apr_time_t now,
+ apr_int32_t gmtoff, apr_time_t *val);
 
 
 /** Sleep until the next second, to ensure that any files modified
Index: subversion/libsvn_subr/opt.c
===================================================================
--- subversion/libsvn_subr/opt.c (revision 8041)
+++ subversion/libsvn_subr/opt.c (working copy)
@@ -292,21 +292,25 @@
 static char *parse_one_rev (svn_opt_revision_t *revision, char *str)
 {
   char *end, save;
- time_t tm;
+ apr_time_t tm;
 
   if (*str == '{')
     {
+ apr_time_t now;
+ apr_time_exp_t nowexp;
       /* Brackets denote a date. */
       str++;
       end = strchr (str, '}');
       if (!end)
         return NULL;
       *end = '\0';
- tm = svn_parse_date (str, NULL);
- if (tm == -1)
+ now = apr_time_now ();
+ if (apr_time_exp_lt (&nowexp, now) != APR_SUCCESS)
         return NULL;
+ if (!svn_parse_date (str, now, nowexp.tm_gmtoff, &tm))
+ return NULL;
       revision->kind = svn_opt_revision_date;
- apr_time_ansi_put (&(revision->value.date), tm);
+ revision->value.date = tm;
       return end + 1;
     }
   else if (apr_isdigit (*str))
Index: subversion/libsvn_subr/getdate.y
===================================================================
--- subversion/libsvn_subr/getdate.y (revision 8041)
+++ subversion/libsvn_subr/getdate.y (working copy)
@@ -1,996 +0,0 @@
-%{
-/*
-** Originally written by Steven M. Bellovin <smb@research.att.com> while
-** at the University of North Carolina at Chapel Hill. Later tweaked by
-** a couple of people on Usenet. Completely overhauled by Rich $alz
-** <rsalz@bbn.com> and Jim Berets <jberets@bbn.com> in August, 1990;
-**
-** This grammar has 10 shift/reduce conflicts.
-**
-** This code is in the public domain and has no copyright.
-**
-** July 3rd, 2001: added to Subversion project and slightly
-** tweaked by Ben Collins-Sussman <sussman@collab.net>
-*/
-/* SUPPRESS 287 on yaccpar_sccsid *//* Unused static variable */
-/* SUPPRESS 288 on yyerrlab *//* Label unused */
-
-#ifdef HAVE_CONFIG_H
-#if defined (emacs) || defined (CONFIG_BROKETS)
-#include <config.h>
-#else
-#include "config.h"
-#endif
-#endif
-
-/* Since the code of getdate.y is not included in the Emacs executable
- itself, there is no need to #define static in this file. Even if
- the code were included in the Emacs executable, it probably
- wouldn't do any harm to #undef it here; this will only cause
- problems if we try to write to a static variable, which I don't
- think this code needs to do. */
-#ifdef emacs
-#undef static
-#endif
-
-#include <stdio.h>
-#include <ctype.h>
-
-/* The code at the top of svn_parse_date which figures out the offset of the
- current time zone checks various CPP symbols to see if special
- tricks are need, but defaults to using the gettimeofday system call.
- Include <sys/time.h> if that will be used. */
-
-#if defined(vms)
-#include <types.h>
-#else /* defined(vms) */
-#include <sys/types.h>
-#include <time.h>
-#include "svn_time.h"
-#endif /* !defined(vms) */
-
-#include <string.h>
-
-
-/* Some old versions of bison generate parsers that use bcopy.
- That loses on systems that don't provide the function, so we have
- to redefine it here. */
-#if !defined (HAVE_BCOPY) && defined (HAVE_MEMCPY) && !defined (bcopy)
-#define bcopy(from, to, len) memcpy ((to), (from), (len))
-#endif
-
-#if defined (STDC_HEADERS)
-#include <stdlib.h>
-#endif
-
-/* NOTES on rebuilding getdate.c (particularly for inclusion in CVS
- releases):
-
- We don't want to mess with all the portability hassles of alloca.
- In particular, most (all?) versions of bison will use alloca in
- their parser. If bison works on your system (e.g. it should work
- with gcc), then go ahead and use it, but the more general solution
- is to use byacc instead of bison, which should generate a portable
- parser. I played with adding "#define alloca dont_use_alloca", to
- give an error if the parser generator uses alloca (and thus detect
- unportable getdate.c's), but that seems to cause as many problems
- as it solves. */
-
-/* ### if these prototypes don't match the system's prototypes all
- * this will break. */
-extern struct tm *gmtime(const time_t *t);
-extern struct tm *localtime(const time_t *t);
-
-#define yyparse getdate_yyparse
-#define yylex getdate_yylex
-#define yyerror getdate_yyerror
-
-static int yyparse (void);
-static int yylex (void);
-static int yyerror (const char *s);
-
-#define EPOCH 1970
-#define HOUR(x) ((time_t)(x) * 60)
-#define SECSPERDAY (24L * 60L * 60L)
-
-
-/*
-** An entry in the lexical lookup table.
-*/
-typedef struct _TABLE {
- const char *name;
- int type;
- time_t value;
-} TABLE;
-
-
-/*
-** Daylight-savings mode: on, off, or not yet known.
-*/
-typedef enum _DSTMODE {
- DSTon, DSToff, DSTmaybe
-} DSTMODE;
-
-/*
-** Meridian: am, pm, or 24-hour style.
-*/
-typedef enum _MERIDIAN {
- MERam, MERpm, MER24
-} MERIDIAN;
-
-
-/*
-** Global variables. We could get rid of most of these by using a good
-** union as the yacc stack. (This routine was originally written before
-** yacc had the %union construct.) Maybe someday; right now we only use
-** the %union very rarely.
-*/
-static char *yyInput;
-static DSTMODE yyDSTmode;
-static time_t yyDayOrdinal;
-static time_t yyDayNumber;
-static int yyHaveDate;
-static int yyHaveDay;
-static int yyHaveRel;
-static int yyHaveTime;
-static int yyHaveZone;
-static time_t yyTimezone;
-static time_t yyDay;
-static time_t yyHour;
-static time_t yyMinutes;
-static time_t yyMonth;
-static time_t yySeconds;
-static time_t yyYear;
-static MERIDIAN yyMeridian;
-static time_t yyRelMonth;
-static time_t yyRelSeconds;
-
-%}
-
-%union {
- time_t Number;
- enum _MERIDIAN Meridian;
-}
-
-%token tAGO tDAY tDAYZONE tID tMERIDIAN tMINUTE_UNIT tMONTH tMONTH_UNIT
-%token tSEC_UNIT tSNUMBER tUNUMBER tZONE tDST
-
-%type <Number> tDAY tDAYZONE tMINUTE_UNIT tMONTH tMONTH_UNIT
-%type <Number> tSEC_UNIT tSNUMBER tUNUMBER tZONE
-%type <Meridian> tMERIDIAN o_merid
-
-%%
-
-spec : /* NULL */
- | spec item
- ;
-
-item : time {
- yyHaveTime++;
- }
- | zone {
- yyHaveZone++;
- }
- | date {
- yyHaveDate++;
- }
- | day {
- yyHaveDay++;
- }
- | rel {
- 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 tSNUMBER {
- yyHour = $1;
- yyMinutes = $3;
- yyMeridian = MER24;
- yyDSTmode = DSToff;
- yyTimezone = - ($4 % 100 + ($4 / 100) * 60);
- }
- | tUNUMBER ':' tUNUMBER ':' tUNUMBER o_merid {
- yyHour = $1;
- yyMinutes = $3;
- yySeconds = $5;
- yyMeridian = $6;
- }
- | tUNUMBER ':' tUNUMBER ':' tUNUMBER tSNUMBER {
- yyHour = $1;
- yyMinutes = $3;
- yySeconds = $5;
- yyMeridian = MER24;
- yyDSTmode = DSToff;
- yyTimezone = - ($6 % 100 + ($6 / 100) * 60);
- }
- ;
-
-zone : tZONE {
- yyTimezone = $1;
- yyDSTmode = DSToff;
- }
- | tDAYZONE {
- yyTimezone = $1;
- yyDSTmode = DSTon;
- }
- |
- tZONE tDST {
- yyTimezone = $1;
- yyDSTmode = DSTon;
- }
- ;
-
-day : tDAY {
- yyDayOrdinal = 1;
- yyDayNumber = $1;
- }
- | tDAY ',' {
- yyDayOrdinal = 1;
- yyDayNumber = $1;
- }
- | tUNUMBER tDAY {
- yyDayOrdinal = $1;
- yyDayNumber = $2;
- }
- ;
-
-date : tUNUMBER '/' tUNUMBER {
- yyMonth = $1;
- yyDay = $3;
- }
- | tUNUMBER '/' tUNUMBER '/' tUNUMBER {
- if ($1 >= 100) {
- yyYear = $1;
- yyMonth = $3;
- yyDay = $5;
- } else {
- yyMonth = $1;
- yyDay = $3;
- yyYear = $5;
- }
- }
- | tUNUMBER tSNUMBER tSNUMBER {
- /* ISO 8601 format. yyyy-mm-dd. */
- yyYear = $1;
- yyMonth = -$2;
- yyDay = -$3;
- }
- | tUNUMBER tMONTH tSNUMBER {
- /* e.g. 17-JUN-1992. */
- yyDay = $1;
- yyMonth = $2;
- yyYear = -$3;
- }
- | tMONTH tUNUMBER {
- yyMonth = $1;
- yyDay = $2;
- }
- | tMONTH tUNUMBER ',' tUNUMBER {
- yyMonth = $1;
- yyDay = $2;
- yyYear = $4;
- }
- | tUNUMBER tMONTH {
- yyMonth = $2;
- yyDay = $1;
- }
- | tUNUMBER tMONTH tUNUMBER {
- yyMonth = $2;
- yyDay = $1;
- yyYear = $3;
- }
- ;
-
-rel : relunit tAGO {
- yyRelSeconds = -yyRelSeconds;
- yyRelMonth = -yyRelMonth;
- }
- | relunit
- ;
-
-relunit : tUNUMBER tMINUTE_UNIT {
- yyRelSeconds += $1 * $2 * 60L;
- }
- | tSNUMBER tMINUTE_UNIT {
- yyRelSeconds += $1 * $2 * 60L;
- }
- | tMINUTE_UNIT {
- yyRelSeconds += $1 * 60L;
- }
- | tSNUMBER tSEC_UNIT {
- yyRelSeconds += $1;
- }
- | tUNUMBER tSEC_UNIT {
- yyRelSeconds += $1;
- }
- | tSEC_UNIT {
- yyRelSeconds++;
- }
- | tSNUMBER tMONTH_UNIT {
- yyRelMonth += $1 * $2;
- }
- | tUNUMBER tMONTH_UNIT {
- yyRelMonth += $1 * $2;
- }
- | tMONTH_UNIT {
- yyRelMonth += $1;
- }
- ;
-
-number : tUNUMBER {
- if (yyHaveTime && yyHaveDate && !yyHaveRel)
- yyYear = $1;
- else {
- if($1>10000) {
- yyHaveDate++;
- yyDay= ($1)%100;
- yyMonth= ($1/100)%100;
- yyYear = $1/10000;
- }
- else {
- yyHaveTime++;
- if ($1 < 100) {
- yyHour = $1;
- yyMinutes = 0;
- }
- else {
- yyHour = $1 / 100;
- yyMinutes = $1 % 100;
- }
- yySeconds = 0;
- yyMeridian = MER24;
- }
- }
- }
- ;
-
-o_merid : /* NULL */ {
- $$ = MER24;
- }
- | tMERIDIAN {
- $$ = $1;
- }
- ;
-
-%%
-
-/* Month and day table. */
-static TABLE const MonthDayTable[] = {
- { "january", tMONTH, 1 },
- { "february", tMONTH, 2 },
- { "march", tMONTH, 3 },
- { "april", tMONTH, 4 },
- { "may", tMONTH, 5 },
- { "june", tMONTH, 6 },
- { "july", tMONTH, 7 },
- { "august", tMONTH, 8 },
- { "september", tMONTH, 9 },
- { "sept", tMONTH, 9 },
- { "october", tMONTH, 10 },
- { "november", tMONTH, 11 },
- { "december", tMONTH, 12 },
- { "sunday", tDAY, 0 },
- { "monday", tDAY, 1 },
- { "tuesday", tDAY, 2 },
- { "tues", tDAY, 2 },
- { "wednesday", tDAY, 3 },
- { "wednes", tDAY, 3 },
- { "thursday", tDAY, 4 },
- { "thur", tDAY, 4 },
- { "thurs", tDAY, 4 },
- { "friday", tDAY, 5 },
- { "saturday", tDAY, 6 },
- { NULL }
-};
-
-/* Time units table. */
-static TABLE const UnitsTable[] = {
- { "year", tMONTH_UNIT, 12 },
- { "month", tMONTH_UNIT, 1 },
- { "fortnight", tMINUTE_UNIT, 14 * 24 * 60 },
- { "week", tMINUTE_UNIT, 7 * 24 * 60 },
- { "day", tMINUTE_UNIT, 1 * 24 * 60 },
- { "hour", tMINUTE_UNIT, 60 },
- { "minute", tMINUTE_UNIT, 1 },
- { "min", tMINUTE_UNIT, 1 },
- { "second", tSEC_UNIT, 1 },
- { "sec", tSEC_UNIT, 1 },
- { NULL }
-};
-
-/* Assorted relative-time words. */
-static TABLE const OtherTable[] = {
- { "tomorrow", tMINUTE_UNIT, 1 * 24 * 60 },
- { "yesterday", tMINUTE_UNIT, -1 * 24 * 60 },
- { "today", tMINUTE_UNIT, 0 },
- { "now", tMINUTE_UNIT, 0 },
- { "last", tUNUMBER, -1 },
- { "this", tMINUTE_UNIT, 0 },
- { "next", tUNUMBER, 2 },
- { "first", tUNUMBER, 1 },
-/* { "second", tUNUMBER, 2 }, */
- { "third", tUNUMBER, 3 },
- { "fourth", tUNUMBER, 4 },
- { "fifth", tUNUMBER, 5 },
- { "sixth", tUNUMBER, 6 },
- { "seventh", tUNUMBER, 7 },
- { "eighth", tUNUMBER, 8 },
- { "ninth", tUNUMBER, 9 },
- { "tenth", tUNUMBER, 10 },
- { "eleventh", tUNUMBER, 11 },
- { "twelfth", tUNUMBER, 12 },
- { "ago", tAGO, 1 },
- { NULL }
-};
-
-/* The timezone table. */
-/* Some of these are commented out because a time_t can't store a float. */
-static TABLE const TimezoneTable[] = {
- { "gmt", tZONE, HOUR( 0) }, /* Greenwich Mean */
- { "ut", tZONE, HOUR( 0) }, /* Universal (Coordinated) */
- { "utc", tZONE, HOUR( 0) },
- { "wet", tZONE, HOUR( 0) }, /* Western European */
- { "bst", tDAYZONE, HOUR( 0) }, /* British Summer */
- { "wat", tZONE, HOUR( 1) }, /* West Africa */
- { "at", tZONE, HOUR( 2) }, /* Azores */
-#if 0
- /* For completeness. BST is also British Summer, and GST is
- * also Guam Standard. */
- { "bst", tZONE, HOUR( 3) }, /* Brazil Standard */
- { "gst", tZONE, HOUR( 3) }, /* Greenland Standard */
-#endif
-#if 0
- { "nft", tZONE, HOUR(3.5) }, /* Newfoundland */
- { "nst", tZONE, HOUR(3.5) }, /* Newfoundland Standard */
- { "ndt", tDAYZONE, HOUR(3.5) }, /* Newfoundland Daylight */
-#endif
- { "ast", tZONE, HOUR( 4) }, /* Atlantic Standard */
- { "adt", tDAYZONE, HOUR( 4) }, /* Atlantic Daylight */
- { "est", tZONE, HOUR( 5) }, /* Eastern Standard */
- { "edt", tDAYZONE, HOUR( 5) }, /* Eastern Daylight */
- { "cst", tZONE, HOUR( 6) }, /* Central Standard */
- { "cdt", tDAYZONE, HOUR( 6) }, /* Central Daylight */
- { "mst", tZONE, HOUR( 7) }, /* Mountain Standard */
- { "mdt", tDAYZONE, HOUR( 7) }, /* Mountain Daylight */
- { "pst", tZONE, HOUR( 8) }, /* Pacific Standard */
- { "pdt", tDAYZONE, HOUR( 8) }, /* Pacific Daylight */
- { "yst", tZONE, HOUR( 9) }, /* Yukon Standard */
- { "ydt", tDAYZONE, HOUR( 9) }, /* Yukon Daylight */
- { "hst", tZONE, HOUR(10) }, /* Hawaii Standard */
- { "hdt", tDAYZONE, HOUR(10) }, /* Hawaii Daylight */
- { "cat", tZONE, HOUR(10) }, /* Central Alaska */
- { "ahst", tZONE, HOUR(10) }, /* Alaska-Hawaii Standard */
- { "nt", tZONE, HOUR(11) }, /* Nome */
- { "idlw", tZONE, HOUR(12) }, /* International Date Line West */
- { "cet", tZONE, -HOUR(1) }, /* Central European */
- { "met", tZONE, -HOUR(1) }, /* Middle European */
- { "mewt", tZONE, -HOUR(1) }, /* Middle European Winter */
- { "mest", tDAYZONE, -HOUR(1) }, /* Middle European Summer */
- { "swt", tZONE, -HOUR(1) }, /* Swedish Winter */
- { "sst", tDAYZONE, -HOUR(1) }, /* Swedish Summer */
- { "fwt", tZONE, -HOUR(1) }, /* French Winter */
- { "fst", tDAYZONE, -HOUR(1) }, /* French Summer */
- { "eet", tZONE, -HOUR(2) }, /* Eastern Europe, USSR Zone 1 */
- { "bt", tZONE, -HOUR(3) }, /* Baghdad, USSR Zone 2 */
-#if 0
- { "it", tZONE, -HOUR(3.5) },/* Iran */
-#endif
- { "zp4", tZONE, -HOUR(4) }, /* USSR Zone 3 */
- { "zp5", tZONE, -HOUR(5) }, /* USSR Zone 4 */
-#if 0
- { "ist", tZONE, -HOUR(5.5) },/* Indian Standard */
-#endif
- { "zp6", tZONE, -HOUR(6) }, /* USSR Zone 5 */
-#if 0
- /* For completeness. NST is also Newfoundland Stanard, and SST is
- * also Swedish Summer. */
- { "nst", tZONE, -HOUR(6.5) },/* North Sumatra */
- { "sst", tZONE, -HOUR(7) }, /* South Sumatra, USSR Zone 6 */
-#endif /* 0 */
- { "wast", tZONE, -HOUR(7) }, /* West Australian Standard */
- { "wadt", tDAYZONE, -HOUR(7) }, /* West Australian Daylight */
-#if 0
- { "jt", tZONE, -HOUR(7.5) },/* Java (3pm in Cronusland!) */
-#endif
- { "cct", tZONE, -HOUR(8) }, /* China Coast, USSR Zone 7 */
- { "jst", tZONE, -HOUR(9) }, /* Japan Standard, USSR Zone 8 */
-#if 0
- { "cast", tZONE, -HOUR(9.5) },/* Central Australian Standard */
- { "cadt", tDAYZONE, -HOUR(9.5) },/* Central Australian Daylight */
-#endif
- { "east", tZONE, -HOUR(10) }, /* Eastern Australian Standard */
- { "eadt", tDAYZONE, -HOUR(10) }, /* Eastern Australian Daylight */
- { "gst", tZONE, -HOUR(10) }, /* Guam Standard, USSR Zone 9 */
- { "nzt", tZONE, -HOUR(12) }, /* New Zealand */
- { "nzst", tZONE, -HOUR(12) }, /* New Zealand Standard */
- { "nzdt", tDAYZONE, -HOUR(12) }, /* New Zealand Daylight */
- { "idle", tZONE, -HOUR(12) }, /* International Date Line East */
- { NULL }
-};
-
-/* Military timezone table. */
-static TABLE const MilitaryTable[] = {
- { "a", tZONE, HOUR( 1) },
- { "b", tZONE, HOUR( 2) },
- { "c", tZONE, HOUR( 3) },
- { "d", tZONE, HOUR( 4) },
- { "e", tZONE, HOUR( 5) },
- { "f", tZONE, HOUR( 6) },
- { "g", tZONE, HOUR( 7) },
- { "h", tZONE, HOUR( 8) },
- { "i", tZONE, HOUR( 9) },
- { "k", tZONE, HOUR( 10) },
- { "l", tZONE, HOUR( 11) },
- { "m", tZONE, HOUR( 12) },
- { "n", tZONE, HOUR(- 1) },
- { "o", tZONE, HOUR(- 2) },
- { "p", tZONE, HOUR(- 3) },
- { "q", tZONE, HOUR(- 4) },
- { "r", tZONE, HOUR(- 5) },
- { "s", tZONE, HOUR(- 6) },
- { "t", tZONE, HOUR(- 7) },
- { "u", tZONE, HOUR(- 8) },
- { "v", tZONE, HOUR(- 9) },
- { "w", tZONE, HOUR(-10) },
- { "x", tZONE, HOUR(-11) },
- { "y", tZONE, HOUR(-12) },
- { "z", tZONE, HOUR( 0) },
- { NULL }
-};
-
-
-
-
-/* ARGSUSED */
-static int
-yyerror(s)
- const char *s;
-{
- return 0;
-}
-
-
-static time_t
-ToSeconds(time_t Hours,
- time_t Minutes,
- time_t Seconds,
- MERIDIAN Meridian)
-{
- if (Minutes < 0 || Minutes > 59 || Seconds < 0 || Seconds > 59)
- return -1;
- switch (Meridian) {
- case MER24:
- if (Hours < 0 || Hours > 23)
- return -1;
- return (Hours * 60L + Minutes) * 60L + Seconds;
- case MERam:
- if (Hours < 1 || Hours > 12)
- return -1;
- if (Hours == 12)
- Hours = 0;
- return (Hours * 60L + Minutes) * 60L + Seconds;
- case MERpm:
- if (Hours < 1 || Hours > 12)
- return -1;
- if (Hours == 12)
- Hours = 0;
- return ((Hours + 12) * 60L + Minutes) * 60L + Seconds;
- default:
- abort ();
- }
- /* NOTREACHED */
-}
-
-
-/* Year is either
- * A negative number, which means to use its absolute value (why?)
- * A number from 0 to 99, which means a year from 1900 to 1999, or
- * The actual year (>=100). */
-static time_t
-Convert (time_t Month,
- time_t Day,
- time_t Year,
- time_t Hours,
- time_t Minutes,
- time_t Seconds,
- MERIDIAN Meridian,
- DSTMODE DSTmode)
-{
- static int DaysInMonth[12] = {
- 31, 0, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
- };
- time_t tod;
- time_t Julian;
- int i;
-
- if (Year < 0)
- Year = -Year;
- if (Year < 69)
- Year += 2000;
- else if (Year < 100)
- Year += 1900;
- DaysInMonth[1] = Year % 4 == 0 && (Year % 100 != 0 || Year % 400 == 0)
- ? 29 : 28;
- /* Checking for 2038 bogusly assumes that time_t is 32 bits. But
- I'm too lazy to try to check for time_t overflow in another way. */
- if (Year < EPOCH || Year > 2038
- || Month < 1 || Month > 12
- /* Lint fluff: "conversion from long may lose accuracy" */
- || Day < 1 || Day > DaysInMonth[(int)--Month])
- return -1;
-
- for (Julian = Day - 1, i = 0; i < Month; i++)
- Julian += DaysInMonth[i];
- for (i = EPOCH; i < Year; i++)
- Julian += 365 + (i % 4 == 0);
- Julian *= SECSPERDAY;
- Julian += yyTimezone * 60L;
- if ((tod = ToSeconds(Hours, Minutes, Seconds, Meridian)) < 0)
- return -1;
- Julian += tod;
- if (DSTmode == DSTon
- || (DSTmode == DSTmaybe && localtime(&Julian)->tm_isdst))
- Julian -= 60 * 60;
- return Julian;
-}
-
-
-static time_t
-DSTcorrect(time_t Start, time_t Future)
-{
- time_t StartDay;
- time_t FutureDay;
-
- StartDay = (localtime(&Start)->tm_hour + 1) % 24;
- FutureDay = (localtime(&Future)->tm_hour + 1) % 24;
- return (Future - Start) + (StartDay - FutureDay) * 60L * 60L;
-}
-
-
-static time_t
-RelativeDate(time_t Start, time_t DayOrdinal, time_t DayNumber)
-{
- struct tm *tm;
- time_t now;
-
- now = Start;
- tm = localtime(&now);
- now += SECSPERDAY * ((DayNumber - tm->tm_wday + 7) % 7);
- now += 7 * SECSPERDAY * (DayOrdinal <= 0 ? DayOrdinal : DayOrdinal - 1);
- return DSTcorrect(Start, now);
-}
-
-
-static time_t
-RelativeMonth(time_t Start, time_t RelMonth)
-{
- struct tm *tm;
- time_t Month;
- time_t Year;
-
- if (RelMonth == 0)
- return 0;
- tm = localtime(&Start);
- Month = 12 * (tm->tm_year + 1900) + tm->tm_mon + RelMonth;
- Year = Month / 12;
- Month = Month % 12 + 1;
- return DSTcorrect(Start,
- Convert(Month, (time_t)tm->tm_mday, Year,
- (time_t)tm->tm_hour, (time_t)tm->tm_min, (time_t)tm->tm_sec,
- MER24, DSTmaybe));
-}
-
-
-static int
-LookupWord(char *buff)
-{
- register char *p;
- register char *q;
- register const TABLE *tp;
- int i;
- int abbrev;
-
- /* Make it lowercase. */
- for (p = buff; *p; p++)
- if (isupper(*p))
- *p = tolower(*p);
-
- if (strcmp(buff, "am") == 0 || strcmp(buff, "a.m.") == 0) {
- yylval.Meridian = MERam;
- return tMERIDIAN;
- }
- if (strcmp(buff, "pm") == 0 || strcmp(buff, "p.m.") == 0) {
- yylval.Meridian = MERpm;
- return tMERIDIAN;
- }
-
- /* See if we have an abbreviation for a month. */
- if (strlen(buff) == 3)
- abbrev = 1;
- else if (strlen(buff) == 4 && buff[3] == '.') {
- abbrev = 1;
- buff[3] = '\0';
- }
- else
- abbrev = 0;
-
- for (tp = MonthDayTable; tp->name; tp++) {
- if (abbrev) {
- if (strncmp(buff, tp->name, 3) == 0) {
- yylval.Number = tp->value;
- return tp->type;
- }
- }
- else if (strcmp(buff, tp->name) == 0) {
- yylval.Number = tp->value;
- return tp->type;
- }
- }
-
- for (tp = TimezoneTable; tp->name; tp++)
- if (strcmp(buff, tp->name) == 0) {
- yylval.Number = tp->value;
- return tp->type;
- }
-
- if (strcmp(buff, "dst") == 0)
- return tDST;
-
- for (tp = UnitsTable; tp->name; tp++)
- if (strcmp(buff, tp->name) == 0) {
- yylval.Number = tp->value;
- return tp->type;
- }
-
- /* Strip off any plural and try the units table again. */
- i = strlen(buff) - 1;
- if (buff[i] == 's') {
- buff[i] = '\0';
- for (tp = UnitsTable; tp->name; tp++)
- if (strcmp(buff, tp->name) == 0) {
- yylval.Number = tp->value;
- return tp->type;
- }
- buff[i] = 's'; /* Put back for "this" in OtherTable. */
- }
-
- for (tp = OtherTable; tp->name; tp++)
- if (strcmp(buff, tp->name) == 0) {
- yylval.Number = tp->value;
- return tp->type;
- }
-
- /* Military timezones. */
- if (buff[1] == '\0' && isalpha(*buff)) {
- for (tp = MilitaryTable; tp->name; tp++)
- if (strcmp(buff, tp->name) == 0) {
- yylval.Number = tp->value;
- return tp->type;
- }
- }
-
- /* Drop out any periods and try the timezone table again. */
- for (i = 0, p = q = buff; *q; q++)
- if (*q != '.')
- *p++ = *q;
- else
- i++;
- *p = '\0';
- if (i)
- for (tp = TimezoneTable; tp->name; tp++)
- if (strcmp(buff, tp->name) == 0) {
- yylval.Number = tp->value;
- return tp->type;
- }
-
- return tID;
-}
-
-
-static int
-yylex()
-{
- register char c;
- register char *p;
- char buff[20];
- int Count;
- int sign;
-
- for ( ; ; ) {
- while (isspace(*yyInput))
- yyInput++;
-
- if (isdigit(c = *yyInput) || c == '-' || c == '+') {
- if (c == '-' || c == '+') {
- sign = c == '-' ? -1 : 1;
- if (!isdigit(*++yyInput))
- /* skip the '-' sign */
- continue;
- }
- else
- sign = 0;
- for (yylval.Number = 0; isdigit(c = *yyInput++); )
- yylval.Number = 10 * yylval.Number + c - '0';
- yyInput--;
- if (sign < 0)
- yylval.Number = -yylval.Number;
- return sign ? tSNUMBER : tUNUMBER;
- }
- if (isalpha(c)) {
- for (p = buff; isalpha(c = *yyInput++) || c == '.'; )
- if (p < &buff[sizeof buff - 1])
- *p++ = c;
- *p = '\0';
- yyInput--;
- return LookupWord(buff);
- }
- if (c != '(')
- return *yyInput++;
- Count = 0;
- do {
- c = *yyInput++;
- if (c == '\0')
- return c;
- if (c == '(')
- Count++;
- else if (c == ')')
- Count--;
- } while (Count > 0);
- }
-}
-
-#define TM_YEAR_ORIGIN 1900
-
-/* Yield A - B, measured in seconds. */
-static long
-difftm (struct tm *a, struct tm *b)
-{
- int ay = a->tm_year + (TM_YEAR_ORIGIN - 1);
- int by = b->tm_year + (TM_YEAR_ORIGIN - 1);
- int days = (
- /* difference in day of year */
- a->tm_yday - b->tm_yday
- /* + intervening leap days */
- + ((ay >> 2) - (by >> 2))
- - (ay/100 - by/100)
- + ((ay/100 >> 2) - (by/100 >> 2))
- /* + difference in years * 365 */
- + (long)(ay-by) * 365
- );
- return (60*(60*(24*days + (a->tm_hour - b->tm_hour))
- + (a->tm_min - b->tm_min))
- + (a->tm_sec - b->tm_sec));
-}
-
-time_t
-svn_parse_date(char *p, struct getdate_time *now)
-{
- struct tm *tm, gmt;
- struct getdate_time ftz;
- time_t Start;
- time_t tod;
- time_t nowtime;
-
- yyInput = p;
- if (now == NULL) {
- struct tm *gmt_ptr;
-
- now = &ftz;
- (void)time (&nowtime);
-
- gmt_ptr = gmtime (&nowtime);
- if (gmt_ptr != NULL)
- {
- /* Make a copy, in case localtime modifies *tm (I think
- that comment now applies to *gmt_ptr, but I am too
- lazy to dig into how gmtime and locatime allocate the
- structures they return pointers to). */
- gmt = *gmt_ptr;
- }
-
- if (! (tm = localtime (&nowtime)))
- return -1;
-
- if (gmt_ptr != NULL)
- ftz.timezone = difftm (&gmt, tm) / 60;
- else
- /* We are on a system like VMS, where the system clock is
- in local time and the system has no concept of timezones.
- Hopefully we can fake this out (for the case in which the
- user specifies no timezone) by just saying the timezone
- is zero. */
- ftz.timezone = 0;
-
- if(tm->tm_isdst)
- ftz.timezone += 60;
- }
- else
- {
- nowtime = now->time;
- }
-
- tm = localtime(&nowtime);
- yyYear = tm->tm_year + 1900;
- yyMonth = tm->tm_mon + 1;
- yyDay = tm->tm_mday;
- yyTimezone = now->timezone;
- yyDSTmode = DSTmaybe;
- yyHour = 0;
- yyMinutes = 0;
- yySeconds = 0;
- yyMeridian = MER24;
- yyRelSeconds = 0;
- yyRelMonth = 0;
- yyHaveDate = 0;
- yyHaveDay = 0;
- yyHaveRel = 0;
- yyHaveTime = 0;
- yyHaveZone = 0;
-
- if (yyparse()
- || yyHaveTime > 1 || yyHaveZone > 1 || yyHaveDate > 1 || yyHaveDay > 1)
- return -1;
-
- if (yyHaveDate || yyHaveTime || yyHaveDay) {
- Start = Convert(yyMonth, yyDay, yyYear, yyHour, yyMinutes, yySeconds,
- yyMeridian, yyDSTmode);
- if (Start < 0)
- return -1;
- }
- else {
- Start = nowtime;
- if (!yyHaveRel)
- Start -= ((tm->tm_hour * 60L + tm->tm_min) * 60L) + tm->tm_sec;
- }
-
- Start += yyRelSeconds;
- Start += RelativeMonth(Start, yyRelMonth);
-
- if (yyHaveDay && !yyHaveDate) {
- tod = RelativeDate(Start, yyDayOrdinal, yyDayNumber);
- Start += tod;
- }
-
- /* Have to do *something* with a legitimate -1 so it's distinguishable
- * from the error return value. (Alternately could set errno on error.) */
- return Start == -1 ? 0 : Start;
-}
-
-
-#if defined(TEST)
-
-/* ARGSUSED */
-int
-main(int ac, char *av[])
-{
- char buff[128];
- time_t d;
-
- (void)printf("Enter date, or blank line to exit.\n\t> ");
- (void)fflush(stdout);
- while (gets(buff) && buff[0]) {
- d = svn_parse_date(buff, (struct getdate_time *)NULL);
- if (d == -1)
- (void)printf("Bad format - couldn't convert.\n");
- else
- (void)printf("%s", ctime(&d));
- (void)printf("\t> ");
- (void)fflush(stdout);
- }
- exit(0);
- /* NOTREACHED */
-}
-#endif /* defined(TEST) */
Index: subversion/libsvn_subr/getdate.cw
===================================================================
--- subversion/libsvn_subr/getdate.cw (revision 8041)
+++ subversion/libsvn_subr/getdate.cw (working copy)
@@ -1,2213 +0,0 @@
-/* A Bison parser, made from subversion/libsvn_subr/getdate.y
- by GNU bison 1.35. */
-
-/* This file should be copied to getdate.c by the Win32 build system since
- in Unix-land it is generated by yacc/bison and getdate.y */
-
-#define YYBISON 1 /* Identify Bison output. */
-
-# define tAGO 257
-# define tDAY 258
-# define tDAYZONE 259
-# define tID 260
-# define tMERIDIAN 261
-# define tMINUTE_UNIT 262
-# define tMONTH 263
-# define tMONTH_UNIT 264
-# define tSEC_UNIT 265
-# define tSNUMBER 266
-# define tUNUMBER 267
-# define tZONE 268
-# define tDST 269
-
-#line 1 "subversion/libsvn_subr/getdate.y"
-
-/*
-** Originally written by Steven M. Bellovin <smb@research.att.com> while
-** at the University of North Carolina at Chapel Hill. Later tweaked by
-** a couple of people on Usenet. Completely overhauled by Rich $alz
-** <rsalz@bbn.com> and Jim Berets <jberets@bbn.com> in August, 1990;
-**
-** This grammar has 10 shift/reduce conflicts.
-**
-** This code is in the public domain and has no copyright.
-**
-** July 3rd, 2001: added to Subversion project and slightly
-** tweaked by Ben Collins-Sussman <sussman@collab.net>
-*/
-/* SUPPRESS 287 on yaccpar_sccsid *//* Unused static variable */
-/* SUPPRESS 288 on yyerrlab *//* Label unused */
-
-#ifdef HAVE_CONFIG_H
-#if defined (emacs) || defined (CONFIG_BROKETS)
-#include <config.h>
-#else
-#include "config.h"
-#endif
-#endif
-
-/* Since the code of getdate.y is not included in the Emacs executable
- itself, there is no need to #define static in this file. Even if
- the code were included in the Emacs executable, it probably
- wouldn't do any harm to #undef it here; this will only cause
- problems if we try to write to a static variable, which I don't
- think this code needs to do. */
-#ifdef emacs
-#undef static
-#endif
-
-#include <stdio.h>
-#include <ctype.h>
-
-/* The code at the top of svn_parse_date which figures out the offset of the
- current time zone checks various CPP symbols to see if special
- tricks are need, but defaults to using the gettimeofday system call.
- Include <sys/time.h> if that will be used. */
-
-#if defined(vms)
-#include <types.h>
-#else /* defined(vms) */
-#include <sys/types.h>
-#include <time.h>
-#include "svn_time.h"
-#endif /* !defined(vms) */
-
-#include <string.h>
-
-
-/* Some old versions of bison generate parsers that use bcopy.
- That loses on systems that don't provide the function, so we have
- to redefine it here. */
-#if !defined (HAVE_BCOPY) && defined (HAVE_MEMCPY) && !defined (bcopy)
-#define bcopy(from, to, len) memcpy ((to), (from), (len))
-#endif
-
-#if 1 || defined (STDC_HEADERS)
-#include <stdlib.h>
-#endif
-
-/* NOTES on rebuilding getdate.c (particularly for inclusion in CVS
- releases):
-
- We don't want to mess with all the portability hassles of alloca.
- In particular, most (all?) versions of bison will use alloca in
- their parser. If bison works on your system (e.g. it should work
- with gcc), then go ahead and use it, but the more general solution
- is to use byacc instead of bison, which should generate a portable
- parser. I played with adding "#define alloca dont_use_alloca", to
- give an error if the parser generator uses alloca (and thus detect
- unportable getdate.c's), but that seems to cause as many problems
- as it solves. */
-
-/* ### if these prototypes don't match the system's prototypes all
- * this will break. */
-/*extern struct tm *gmtime(const time_t *t);
-extern struct tm *localtime(const time_t *t);*/
-
-#define yyparse getdate_yyparse
-#define yylex getdate_yylex
-#define yyerror getdate_yyerror
-
-static int yyparse (void);
-static int yylex (void);
-static int yyerror (const char *s);
-
-#define EPOCH 1970
-#define HOUR(x) ((time_t)(x) * 60)
-#define SECSPERDAY (24L * 60L * 60L)
-
-
-/*
-** An entry in the lexical lookup table.
-*/
-typedef struct _TABLE {
- const char *name;
- int type;
- time_t value;
-} TABLE;
-
-
-/*
-** Daylight-savings mode: on, off, or not yet known.
-*/
-typedef enum _DSTMODE {
- DSTon, DSToff, DSTmaybe
-} DSTMODE;
-
-/*
-** Meridian: am, pm, or 24-hour style.
-*/
-typedef enum _MERIDIAN {
- MERam, MERpm, MER24
-} MERIDIAN;
-
-
-/*
-** Global variables. We could get rid of most of these by using a good
-** union as the yacc stack. (This routine was originally written before
-** yacc had the %union construct.) Maybe someday; right now we only use
-** the %union very rarely.
-*/
-static char *yyInput;
-static DSTMODE yyDSTmode;
-static time_t yyDayOrdinal;
-static time_t yyDayNumber;
-static int yyHaveDate;
-static int yyHaveDay;
-static int yyHaveRel;
-static int yyHaveTime;
-static int yyHaveZone;
-static time_t yyTimezone;
-static time_t yyDay;
-static time_t yyHour;
-static time_t yyMinutes;
-static time_t yyMonth;
-static time_t yySeconds;
-static time_t yyYear;
-static MERIDIAN yyMeridian;
-static time_t yyRelMonth;
-static time_t yyRelSeconds;
-
-
-#line 150 "subversion/libsvn_subr/getdate.y"
-#ifndef YYSTYPE
-typedef union {
- time_t Number;
- enum _MERIDIAN Meridian;
-} yystype;
-# define YYSTYPE yystype
-# define YYSTYPE_IS_TRIVIAL 1
-#endif
-#ifndef YYDEBUG
-# define YYDEBUG 0
-#endif
-
-
-
-#define YYFINAL 52
-#define YYFLAG -32768
-#define YYNTBASE 19
-
-/* YYTRANSLATE(YYLEX) -- Bison token number corresponding to YYLEX. */
-#define YYTRANSLATE(x) ((unsigned)(x) <= 269 ? yytranslate[x] : 29)
-
-/* YYTRANSLATE[YYLEX] -- Bison token number corresponding to YYLEX. */
-static const char yytranslate[] =
-{
- 0, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 17, 2, 2, 18, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 16, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 1, 3, 4, 5,
- 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
-};
-
-#if YYDEBUG
-static const short yyprhs[] =
-{
- 0, 0, 1, 4, 6, 8, 10, 12, 14, 16,
- 19, 24, 29, 36, 43, 45, 47, 50, 52, 55,
- 58, 62, 68, 72, 76, 79, 84, 87, 91, 94,
- 96, 99, 102, 104, 107, 110, 112, 115, 118, 120,
- 122, 123
-};
-static const short yyrhs[] =
-{
- -1, 19, 20, 0, 21, 0, 22, 0, 24, 0,
- 23, 0, 25, 0, 27, 0, 13, 7, 0, 13,
- 16, 13, 28, 0, 13, 16, 13, 12, 0, 13,
- 16, 13, 16, 13, 28, 0, 13, 16, 13, 16,
- 13, 12, 0, 14, 0, 5, 0, 14, 15, 0,
- 4, 0, 4, 17, 0, 13, 4, 0, 13, 18,
- 13, 0, 13, 18, 13, 18, 13, 0, 13, 12,
- 12, 0, 13, 9, 12, 0, 9, 13, 0, 9,
- 13, 17, 13, 0, 13, 9, 0, 13, 9, 13,
- 0, 26, 3, 0, 26, 0, 13, 8, 0, 12,
- 8, 0, 8, 0, 12, 11, 0, 13, 11, 0,
- 11, 0, 12, 10, 0, 13, 10, 0, 10, 0,
- 13, 0, 0, 7, 0
-};
-
-#endif
-
-#if YYDEBUG
-/* YYRLINE[YYN] -- source line where rule number YYN was defined. */
-static const short yyrline[] =
-{
- 0, 164, 165, 168, 171, 174, 177, 180, 183, 186,
- 192, 198, 205, 211, 221, 225, 229, 236, 240, 244,
- 250, 254, 265, 271, 277, 281, 286, 290, 297, 301,
- 304, 307, 310, 313, 316, 319, 322, 325, 328, 333,
- 360, 363
-};
-#endif
-
-
-#if (YYDEBUG) || defined YYERROR_VERBOSE
-
-/* YYTNAME[TOKEN_NUM] -- String name of the token TOKEN_NUM. */
-static const char *const yytname[] =
-{
- "$", "error", "$undefined.", "tAGO", "tDAY", "tDAYZONE", "tID",
- "tMERIDIAN", "tMINUTE_UNIT", "tMONTH", "tMONTH_UNIT", "tSEC_UNIT",
- "tSNUMBER", "tUNUMBER", "tZONE", "tDST", "':'", "','", "'/'", "spec",
- "item", "time", "zone", "day", "date", "rel", "relunit", "number",
- "o_merid", 0
-};
-#endif
-
-/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
-static const short yyr1[] =
-{
- 0, 19, 19, 20, 20, 20, 20, 20, 20, 21,
- 21, 21, 21, 21, 22, 22, 22, 23, 23, 23,
- 24, 24, 24, 24, 24, 24, 24, 24, 25, 25,
- 26, 26, 26, 26, 26, 26, 26, 26, 26, 27,
- 28, 28
-};
-
-/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
-static const short yyr2[] =
-{
- 0, 0, 2, 1, 1, 1, 1, 1, 1, 2,
- 4, 4, 6, 6, 1, 1, 2, 1, 2, 2,
- 3, 5, 3, 3, 2, 4, 2, 3, 2, 1,
- 2, 2, 1, 2, 2, 1, 2, 2, 1, 1,
- 0, 1
-};
-
-/* YYDEFACT[S] -- default rule to reduce with in state S when YYTABLE
- doesn't specify something else to do. Zero means the default is an
- error. */
-static const short yydefact[] =
-{
- 1, 0, 17, 15, 32, 0, 38, 35, 0, 39,
- 14, 2, 3, 4, 6, 5, 7, 29, 8, 18,
- 24, 31, 36, 33, 19, 9, 30, 26, 37, 34,
- 0, 0, 0, 16, 28, 0, 23, 27, 22, 40,
- 20, 25, 41, 11, 0, 10, 0, 40, 21, 13,
- 12, 0, 0
-};
-
-static const short yydefgoto[] =
-{
- 1, 11, 12, 13, 14, 15, 16, 17, 18, 45
-};
-
-static const short yypact[] =
-{
- -32768, 0, -1,-32768,-32768, 4,-32768,-32768, 25, 11,
- -8,-32768,-32768,-32768,-32768,-32768,-32768, 21,-32768,-32768,
- 9,-32768,-32768,-32768,-32768,-32768,-32768, -10,-32768,-32768,
- 16, 19, 24,-32768,-32768, 26,-32768,-32768,-32768, 18,
- 13,-32768,-32768,-32768, 27,-32768, 28, -6,-32768,-32768,
- -32768, 38,-32768
-};
-
-static const short yypgoto[] =
-{
- -32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768, -5
-};
-
-
-#define YYLAST 42
-
-
-static const short yytable[] =
-{
- 51, 42, 36, 37, 2, 3, 49, 33, 4, 5,
- 6, 7, 8, 9, 10, 24, 19, 20, 25, 26,
- 27, 28, 29, 30, 34, 42, 35, 31, 38, 32,
- 43, 46, 39, 21, 44, 22, 23, 40, 52, 41,
- 47, 48, 50
-};
-
-static const short yycheck[] =
-{
- 0, 7, 12, 13, 4, 5, 12, 15, 8, 9,
- 10, 11, 12, 13, 14, 4, 17, 13, 7, 8,
- 9, 10, 11, 12, 3, 7, 17, 16, 12, 18,
- 12, 18, 13, 8, 16, 10, 11, 13, 0, 13,
- 13, 13, 47
-};
-/* -*-C-*- Note some compilers choke on comments on `#line' lines. */
-#line 3 "/usr/share/bison/bison.simple"
-
-/* Skeleton output parser for bison,
-
- Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002 Free Software
- Foundation, Inc.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
-
-/* As a special exception, when this file is copied by Bison into a
- Bison output file, you may use that output file without restriction.
- This special exception was added by the Free Software Foundation
- in version 1.24 of Bison. */
-
-/* This is the parser code that is written into each bison parser when
- the %semantic_parser declaration is not specified in the grammar.
- It was written by Richard Stallman by simplifying the hairy parser
- used when %semantic_parser is specified. */
-
-/* All symbols defined below should begin with yy or YY, to avoid
- infringing on user name space. This should be done even for local
- variables, as they might otherwise be expanded by user macros.
- There are some unavoidable exceptions within include files to
- define necessary library symbols; they are noted "INFRINGES ON
- USER NAME SPACE" below. */
-
-#if ! defined (yyoverflow) || defined (YYERROR_VERBOSE)
-
-/* The parser invokes alloca or malloc; define the necessary symbols. */
-
-# if YYSTACK_USE_ALLOCA
-# define YYSTACK_ALLOC alloca
-# else
-# ifndef YYSTACK_USE_ALLOCA
-# if defined (alloca) || defined (_ALLOCA_H)
-# define YYSTACK_ALLOC alloca
-# else
-# ifdef __GNUC__
-# define YYSTACK_ALLOC __builtin_alloca
-# endif
-# endif
-# endif
-# endif
-
-# ifdef YYSTACK_ALLOC
- /* Pacify GCC's `empty if-body' warning. */
-# define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
-# else
-# if defined (__STDC__) || defined (__cplusplus)
-# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
-# define YYSIZE_T size_t
-# endif
-# define YYSTACK_ALLOC malloc
-# define YYSTACK_FREE free
-# endif
-#endif /* ! defined (yyoverflow) || defined (YYERROR_VERBOSE) */
-
-
-#if (! defined (yyoverflow) \
- && (! defined (__cplusplus) \
- || (YYLTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
-
-/* A type that is properly aligned for any stack member. */
-union yyalloc
-{
- short yyss;
- YYSTYPE yyvs;
-# if YYLSP_NEEDED
- YYLTYPE yyls;
-# endif
-};
-
-/* The size of the maximum gap between one aligned stack and the next. */
-# define YYSTACK_GAP_MAX (sizeof (union yyalloc) - 1)
-
-/* The size of an array large to enough to hold all stacks, each with
- N elements. */
-# if YYLSP_NEEDED
-# define YYSTACK_BYTES(N) \
- ((N) * (sizeof (short) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \
- + 2 * YYSTACK_GAP_MAX)
-# else
-# define YYSTACK_BYTES(N) \
- ((N) * (sizeof (short) + sizeof (YYSTYPE)) \
- + YYSTACK_GAP_MAX)
-# endif
-
-/* Copy COUNT objects from FROM to TO. The source and destination do
- not overlap. */
-# ifndef YYCOPY
-# if 1 < __GNUC__
-# define YYCOPY(To, From, Count) \
- __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
-# else
-# define YYCOPY(To, From, Count) \
- do \
- { \
- register YYSIZE_T yyi; \
- for (yyi = 0; yyi < (Count); yyi++) \
- (To)[yyi] = (From)[yyi]; \
- } \
- while (0)
-# endif
-# endif
-
-/* Relocate STACK from its old location to the new one. The
- local variables YYSIZE and YYSTACKSIZE give the old and new number of
- elements in the stack, and YYPTR gives the new location of the
- stack. Advance YYPTR to a properly aligned location for the next
- stack. */
-# define YYSTACK_RELOCATE(Stack) \
- do \
- { \
- YYSIZE_T yynewbytes; \
- YYCOPY (&yyptr->Stack, Stack, yysize); \
- Stack = &yyptr->Stack; \
- yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAX; \
- yyptr += yynewbytes / sizeof (*yyptr); \
- } \
- while (0)
-
-#endif
-
-
-#if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__)
-# define YYSIZE_T __SIZE_TYPE__
-#endif
-#if ! defined (YYSIZE_T) && defined (size_t)
-# define YYSIZE_T size_t
-#endif
-#if ! defined (YYSIZE_T)
-# if defined (__STDC__) || defined (__cplusplus)
-# include <stddef.h> /* INFRINGES ON USER NAME SPACE */
-# define YYSIZE_T size_t
-# endif
-#endif
-#if ! defined (YYSIZE_T)
-# define YYSIZE_T unsigned int
-#endif
-
-#define yyerrok (yyerrstatus = 0)
-#define yyclearin (yychar = YYEMPTY)
-#define YYEMPTY -2
-#define YYEOF 0
-#define YYACCEPT goto yyacceptlab
-#define YYABORT goto yyabortlab
-#define YYERROR goto yyerrlab1
-/* Like YYERROR except do call yyerror. This remains here temporarily
- to ease the transition to the new meaning of YYERROR, for GCC.
- Once GCC version 2 has supplanted version 1, this can go. */
-#define YYFAIL goto yyerrlab
-#define YYRECOVERING() (!!yyerrstatus)
-#define YYBACKUP(Token, Value) \
-do \
- if (yychar == YYEMPTY && yylen == 1) \
- { \
- yychar = (Token); \
- yylval = (Value); \
- yychar1 = YYTRANSLATE (yychar); \
- YYPOPSTACK; \
- goto yybackup; \
- } \
- else \
- { \
- yyerror ("syntax error: cannot back up"); \
- YYERROR; \
- } \
-while (0)
-
-#define YYTERROR 1
-#define YYERRCODE 256
-
-
-/* YYLLOC_DEFAULT -- Compute the default location (before the actions
- are run).
-
- When YYLLOC_DEFAULT is run, CURRENT is set the location of the
- first token. By default, to implement support for ranges, extend
- its range to the last symbol. */
-
-#ifndef YYLLOC_DEFAULT
-# define YYLLOC_DEFAULT(Current, Rhs, N) \
- Current.last_line = Rhs[N].last_line; \
- Current.last_column = Rhs[N].last_column;
-#endif
-
-
-/* YYLEX -- calling `yylex' with the right arguments. */
-
-#if YYPURE
-# if YYLSP_NEEDED
-# ifdef YYLEX_PARAM
-# define YYLEX yylex (&yylval, &yylloc, YYLEX_PARAM)
-# else
-# define YYLEX yylex (&yylval, &yylloc)
-# endif
-# else /* !YYLSP_NEEDED */
-# ifdef YYLEX_PARAM
-# define YYLEX yylex (&yylval, YYLEX_PARAM)
-# else
-# define YYLEX yylex (&yylval)
-# endif
-# endif /* !YYLSP_NEEDED */
-#else /* !YYPURE */
-# define YYLEX yylex ()
-#endif /* !YYPURE */
-
-
-/* Enable debugging if requested. */
-#if YYDEBUG
-
-# ifndef YYFPRINTF
-# include <stdio.h> /* INFRINGES ON USER NAME SPACE */
-# define YYFPRINTF fprintf
-# endif
-
-# define YYDPRINTF(Args) \
-do { \
- if (yydebug) \
- YYFPRINTF Args; \
-} while (0)
-/* Nonzero means print parse trace. It is left uninitialized so that
- multiple parsers can coexist. */
-int yydebug;
-#else /* !YYDEBUG */
-# define YYDPRINTF(Args)
-#endif /* !YYDEBUG */
-
-/* YYINITDEPTH -- initial size of the parser's stacks. */
-#ifndef YYINITDEPTH
-# define YYINITDEPTH 200
-#endif
-
-/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
- if the built-in stack extension method is used).
-
- Do not make this value too large; the results are undefined if
- SIZE_MAX < YYSTACK_BYTES (YYMAXDEPTH)
- evaluated with infinite-precision integer arithmetic. */
-
-#if YYMAXDEPTH == 0
-# undef YYMAXDEPTH
-#endif
-
-#ifndef YYMAXDEPTH
-# define YYMAXDEPTH 10000
-#endif
-
-#ifdef YYERROR_VERBOSE
-
-# ifndef yystrlen
-# if defined (__GLIBC__) && defined (_STRING_H)
-# define yystrlen strlen
-# else
-/* Return the length of YYSTR. */
-static YYSIZE_T
-# if defined (__STDC__) || defined (__cplusplus)
-yystrlen (const char *yystr)
-# else
-yystrlen (yystr)
- const char *yystr;
-# endif
-{
- register const char *yys = yystr;
-
- while (*yys++ != '\0')
- continue;
-
- return yys - yystr - 1;
-}
-# endif
-# endif
-
-# ifndef yystpcpy
-# if defined (__GLIBC__) && defined (_STRING_H) && defined (_GNU_SOURCE)
-# define yystpcpy stpcpy
-# else
-/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
- YYDEST. */
-static char *
-# if defined (__STDC__) || defined (__cplusplus)
-yystpcpy (char *yydest, const char *yysrc)
-# else
-yystpcpy (yydest, yysrc)
- char *yydest;
- const char *yysrc;
-# endif
-{
- register char *yyd = yydest;
- register const char *yys = yysrc;
-
- while ((*yyd++ = *yys++) != '\0')
- continue;
-
- return yyd - 1;
-}
-# endif
-# endif
-#endif
-
-#line 315 "/usr/share/bison/bison.simple"
-
-
-/* The user can define YYPARSE_PARAM as the name of an argument to be passed
- into yyparse. The argument should have type void *.
- It should actually point to an object.
- Grammar actions can access the variable by casting it
- to the proper pointer type. */
-
-#ifdef YYPARSE_PARAM
-# if defined (__STDC__) || defined (__cplusplus)
-# define YYPARSE_PARAM_ARG void *YYPARSE_PARAM
-# define YYPARSE_PARAM_DECL
-# else
-# define YYPARSE_PARAM_ARG YYPARSE_PARAM
-# define YYPARSE_PARAM_DECL void *YYPARSE_PARAM;
-# endif
-#else /* !YYPARSE_PARAM */
-# define YYPARSE_PARAM_ARG
-# define YYPARSE_PARAM_DECL
-#endif /* !YYPARSE_PARAM */
-
-/* Prevent warning if -Wstrict-prototypes. */
-#ifdef __GNUC__
-# ifdef YYPARSE_PARAM
-int yyparse (void *);
-# else
-int yyparse (void);
-# endif
-#endif
-
-/* YY_DECL_VARIABLES -- depending whether we use a pure parser,
- variables are global, or local to YYPARSE. */
-
-#define YY_DECL_NON_LSP_VARIABLES \
-/* The lookahead symbol. */ \
-int yychar; \
- \
-/* The semantic value of the lookahead symbol. */ \
-YYSTYPE yylval; \
- \
-/* Number of parse errors so far. */ \
-int yynerrs;
-
-#if YYLSP_NEEDED
-# define YY_DECL_VARIABLES \
-YY_DECL_NON_LSP_VARIABLES \
- \
-/* Location data for the lookahead symbol. */ \
-YYLTYPE yylloc;
-#else
-# define YY_DECL_VARIABLES \
-YY_DECL_NON_LSP_VARIABLES
-#endif
-
-
-/* If nonreentrant, generate the variables here. */
-
-#if !YYPURE
-YY_DECL_VARIABLES
-#endif /* !YYPURE */
-
-int
-yyparse (YYPARSE_PARAM_ARG)
- YYPARSE_PARAM_DECL
-{
- /* If reentrant, generate the variables here. */
-#if YYPURE
- YY_DECL_VARIABLES
-#endif /* !YYPURE */
-
- register int yystate;
- register int yyn;
- int yyresult;
- /* Number of tokens to shift before error messages enabled. */
- int yyerrstatus;
- /* Lookahead token as an internal (translated) token number. */
- int yychar1 = 0;
-
- /* Three stacks and their tools:
- `yyss': related to states,
- `yyvs': related to semantic values,
- `yyls': related to locations.
-
- Refer to the stacks thru separate pointers, to allow yyoverflow
- to reallocate them elsewhere. */
-
- /* The state stack. */
- short yyssa[YYINITDEPTH];
- short *yyss = yyssa;
- register short *yyssp;
-
- /* The semantic value stack. */
- YYSTYPE yyvsa[YYINITDEPTH];
- YYSTYPE *yyvs = yyvsa;
- register YYSTYPE *yyvsp;
-
-#if YYLSP_NEEDED
- /* The location stack. */
- YYLTYPE yylsa[YYINITDEPTH];
- YYLTYPE *yyls = yylsa;
- YYLTYPE *yylsp;
-#endif
-
-#if YYLSP_NEEDED
-# define YYPOPSTACK (yyvsp--, yyssp--, yylsp--)
-#else
-# define YYPOPSTACK (yyvsp--, yyssp--)
-#endif
-
- YYSIZE_T yystacksize = YYINITDEPTH;
-
-
- /* The variables used to return semantic value and location from the
- action routines. */
- YYSTYPE yyval;
-#if YYLSP_NEEDED
- YYLTYPE yyloc;
-#endif
-
- /* When reducing, the number of symbols on the RHS of the reduced
- rule. */
- int yylen;
-
- YYDPRINTF ((stderr, "Starting parse\n"));
-
- yystate = 0;
- yyerrstatus = 0;
- yynerrs = 0;
- yychar = YYEMPTY; /* Cause a token to be read. */
-
- /* Initialize stack pointers.
- Waste one element of value and location stack
- so that they stay on the same level as the state stack.
- The wasted elements are never initialized. */
-
- yyssp = yyss;
- yyvsp = yyvs;
-#if YYLSP_NEEDED
- yylsp = yyls;
-#endif
- goto yysetstate;
-
-/*------------------------------------------------------------.
-| yynewstate -- Push a new state, which is found in yystate. |
-`------------------------------------------------------------*/
- yynewstate:
- /* In all cases, when you get here, the value and location stacks
- have just been pushed. so pushing a state here evens the stacks.
- */
- yyssp++;
-
- yysetstate:
- *yyssp = yystate;
-
- if (yyssp >= yyss + yystacksize - 1)
- {
- /* Get the current used size of the three stacks, in elements. */
- YYSIZE_T yysize = yyssp - yyss + 1;
-
-#ifdef yyoverflow
- {
- /* Give user a chance to reallocate the stack. Use copies of
- these so that the &'s don't force the real ones into
- memory. */
- YYSTYPE *yyvs1 = yyvs;
- short *yyss1 = yyss;
-
- /* Each stack pointer address is followed by the size of the
- data in use in that stack, in bytes. */
-# if YYLSP_NEEDED
- YYLTYPE *yyls1 = yyls;
- /* This used to be a conditional around just the two extra args,
- but that might be undefined if yyoverflow is a macro. */
- yyoverflow ("parser stack overflow",
- &yyss1, yysize * sizeof (*yyssp),
- &yyvs1, yysize * sizeof (*yyvsp),
- &yyls1, yysize * sizeof (*yylsp),
- &yystacksize);
- yyls = yyls1;
-# else
- yyoverflow ("parser stack overflow",
- &yyss1, yysize * sizeof (*yyssp),
- &yyvs1, yysize * sizeof (*yyvsp),
- &yystacksize);
-# endif
- yyss = yyss1;
- yyvs = yyvs1;
- }
-#else /* no yyoverflow */
-# ifndef YYSTACK_RELOCATE
- goto yyoverflowlab;
-# else
- /* Extend the stack our own way. */
- if (yystacksize >= YYMAXDEPTH)
- goto yyoverflowlab;
- yystacksize *= 2;
- if (yystacksize > YYMAXDEPTH)
- yystacksize = YYMAXDEPTH;
-
- {
- short *yyss1 = yyss;
- union yyalloc *yyptr =
- (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
- if (! yyptr)
- goto yyoverflowlab;
- YYSTACK_RELOCATE (yyss);
- YYSTACK_RELOCATE (yyvs);
-# if YYLSP_NEEDED
- YYSTACK_RELOCATE (yyls);
-# endif
-# undef YYSTACK_RELOCATE
- if (yyss1 != yyssa)
- YYSTACK_FREE (yyss1);
- }
-# endif
-#endif /* no yyoverflow */
-
- yyssp = yyss + yysize - 1;
- yyvsp = yyvs + yysize - 1;
-#if YYLSP_NEEDED
- yylsp = yyls + yysize - 1;
-#endif
-
- YYDPRINTF ((stderr, "Stack size increased to %lu\n",
- (unsigned long int) yystacksize));
-
- if (yyssp >= yyss + yystacksize - 1)
- YYABORT;
- }
-
- YYDPRINTF ((stderr, "Entering state %d\n", yystate));
-
- goto yybackup;
-
-
-/*-----------.
-| yybackup. |
-`-----------*/
-yybackup:
-
-/* Do appropriate processing given the current state. */
-/* Read a lookahead token if we need one and don't already have one. */
-/* yyresume: */
-
- /* First try to decide what to do without reference to lookahead token. */
-
- yyn = yypact[yystate];
- if (yyn == YYFLAG)
- goto yydefault;
-
- /* Not known => get a lookahead token if don't already have one. */
-
- /* yychar is either YYEMPTY or YYEOF
- or a valid token in external form. */
-
- if (yychar == YYEMPTY)
- {
- YYDPRINTF ((stderr, "Reading a token: "));
- yychar = YYLEX;
- }
-
- /* Convert token to internal form (in yychar1) for indexing tables with */
-
- if (yychar <= 0) /* This means end of input. */
- {
- yychar1 = 0;
- yychar = YYEOF; /* Don't call YYLEX any more */
-
- YYDPRINTF ((stderr, "Now at end of input.\n"));
- }
- else
- {
- yychar1 = YYTRANSLATE (yychar);
-
-#if YYDEBUG
- /* We have to keep this `#if YYDEBUG', since we use variables
- which are defined only if `YYDEBUG' is set. */
- if (yydebug)
- {
- YYFPRINTF (stderr, "Next token is %d (%s",
- yychar, yytname[yychar1]);
- /* Give the individual parser a way to print the precise
- meaning of a token, for further debugging info. */
-# ifdef YYPRINT
- YYPRINT (stderr, yychar, yylval);
-# endif
- YYFPRINTF (stderr, ")\n");
- }
-#endif
- }
-
- yyn += yychar1;
- if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != yychar1)
- goto yydefault;
-
- yyn = yytable[yyn];
-
- /* yyn is what to do for this token type in this state.
- Negative => reduce, -yyn is rule number.
- Positive => shift, yyn is new state.
- New state is final state => don't bother to shift,
- just return success.
- 0, or most negative number => error. */
-
- if (yyn < 0)
- {
- if (yyn == YYFLAG)
- goto yyerrlab;
- yyn = -yyn;
- goto yyreduce;
- }
- else if (yyn == 0)
- goto yyerrlab;
-
- if (yyn == YYFINAL)
- YYACCEPT;
-
- /* Shift the lookahead token. */
- YYDPRINTF ((stderr, "Shifting token %d (%s), ",
- yychar, yytname[yychar1]));
-
- /* Discard the token being shifted unless it is eof. */
- if (yychar != YYEOF)
- yychar = YYEMPTY;
-
- *++yyvsp = yylval;
-#if YYLSP_NEEDED
- *++yylsp = yylloc;
-#endif
-
- /* Count tokens shifted since error; after three, turn off error
- status. */
- if (yyerrstatus)
- yyerrstatus--;
-
- yystate = yyn;
- goto yynewstate;
-
-
-/*-----------------------------------------------------------.
-| yydefault -- do the default action for the current state. |
-`-----------------------------------------------------------*/
-yydefault:
- yyn = yydefact[yystate];
- if (yyn == 0)
- goto yyerrlab;
- goto yyreduce;
-
-
-/*-----------------------------.
-| yyreduce -- Do a reduction. |
-`-----------------------------*/
-yyreduce:
- /* yyn is the number of a rule to reduce with. */
- yylen = yyr2[yyn];
-
- /* If YYLEN is nonzero, implement the default value of the action:
- `$$ = $1'.
-
- Otherwise, the following line sets YYVAL to the semantic value of
- the lookahead token. This behavior is undocumented and Bison
- users should not rely upon it. Assigning to YYVAL
- unconditionally makes the parser a bit smaller, and it avoids a
- GCC warning that YYVAL may be used uninitialized. */
- yyval = yyvsp[1-yylen];
-
-#if YYLSP_NEEDED
- /* Similarly for the default location. Let the user run additional
- commands if for instance locations are ranges. */
- yyloc = yylsp[1-yylen];
- YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen);
-#endif
-
-#if YYDEBUG
- /* We have to keep this `#if YYDEBUG', since we use variables which
- are defined only if `YYDEBUG' is set. */
- if (yydebug)
- {
- int yyi;
-
- YYFPRINTF (stderr, "Reducing via rule %d (line %d), ",
- yyn, yyrline[yyn]);
-
- /* Print the symbols being reduced, and their result. */
- for (yyi = yyprhs[yyn]; yyrhs[yyi] > 0; yyi++)
- YYFPRINTF (stderr, "%s ", yytname[yyrhs[yyi]]);
- YYFPRINTF (stderr, " -> %s\n", yytname[yyr1[yyn]]);
- }
-#endif
-
- switch (yyn) {
-
-case 3:
-#line 168 "subversion/libsvn_subr/getdate.y"
-{
- yyHaveTime++;
- ;
- break;}
-case 4:
-#line 171 "subversion/libsvn_subr/getdate.y"
-{
- yyHaveZone++;
- ;
- break;}
-case 5:
-#line 174 "subversion/libsvn_subr/getdate.y"
-{
- yyHaveDate++;
- ;
- break;}
-case 6:
-#line 177 "subversion/libsvn_subr/getdate.y"
-{
- yyHaveDay++;
- ;
- break;}
-case 7:
-#line 180 "subversion/libsvn_subr/getdate.y"
-{
- yyHaveRel++;
- ;
- break;}
-case 9:
-#line 186 "subversion/libsvn_subr/getdate.y"
-{
- yyHour = yyvsp[-1].Number;
- yyMinutes = 0;
- yySeconds = 0;
- yyMeridian = yyvsp[0].Meridian;
- ;
- break;}
-case 10:
-#line 192 "subversion/libsvn_subr/getdate.y"
-{
- yyHour = yyvsp[-3].Number;
- yyMinutes = yyvsp[-1].Number;
- yySeconds = 0;
- yyMeridian = yyvsp[0].Meridian;
- ;
- break;}
-case 11:
-#line 198 "subversion/libsvn_subr/getdate.y"
-{
- yyHour = yyvsp[-3].Number;
- yyMinutes = yyvsp[-1].Number;
- yyMeridian = MER24;
- yyDSTmode = DSToff;
- yyTimezone = - (yyvsp[0].Number % 100 + (yyvsp[0].Number / 100) * 60);
- ;
- break;}
-case 12:
-#line 205 "subversion/libsvn_subr/getdate.y"
-{
- yyHour = yyvsp[-5].Number;
- yyMinutes = yyvsp[-3].Number;
- yySeconds = yyvsp[-1].Number;
- yyMeridian = yyvsp[0].Meridian;
- ;
- break;}
-case 13:
-#line 211 "subversion/libsvn_subr/getdate.y"
-{
- yyHour = yyvsp[-5].Number;
- yyMinutes = yyvsp[-3].Number;
- yySeconds = yyvsp[-1].Number;
- yyMeridian = MER24;
- yyDSTmode = DSToff;
- yyTimezone = - (yyvsp[0].Number % 100 + (yyvsp[0].Number / 100) * 60);
- ;
- break;}
-case 14:
-#line 221 "subversion/libsvn_subr/getdate.y"
-{
- yyTimezone = yyvsp[0].Number;
- yyDSTmode = DSToff;
- ;
- break;}
-case 15:
-#line 225 "subversion/libsvn_subr/getdate.y"
-{
- yyTimezone = yyvsp[0].Number;
- yyDSTmode = DSTon;
- ;
- break;}
-case 16:
-#line 230 "subversion/libsvn_subr/getdate.y"
-{
- yyTimezone = yyvsp[-1].Number;
- yyDSTmode = DSTon;
- ;
- break;}
-case 17:
-#line 236 "subversion/libsvn_subr/getdate.y"
-{
- yyDayOrdinal = 1;
- yyDayNumber = yyvsp[0].Number;
- ;
- break;}
-case 18:
-#line 240 "subversion/libsvn_subr/getdate.y"
-{
- yyDayOrdinal = 1;
- yyDayNumber = yyvsp[-1].Number;
- ;
- break;}
-case 19:
-#line 244 "subversion/libsvn_subr/getdate.y"
-{
- yyDayOrdinal = yyvsp[-1].Number;
- yyDayNumber = yyvsp[0].Number;
- ;
- break;}
-case 20:
-#line 250 "subversion/libsvn_subr/getdate.y"
-{
- yyMonth = yyvsp[-2].Number;
- yyDay = yyvsp[0].Number;
- ;
- break;}
-case 21:
-#line 254 "subversion/libsvn_subr/getdate.y"
-{
- if (yyvsp[-4].Number >= 100) {
- yyYear = yyvsp[-4].Number;
- yyMonth = yyvsp[-2].Number;
- yyDay = yyvsp[0].Number;
- } else {
- yyMonth = yyvsp[-4].Number;
- yyDay = yyvsp[-2].Number;
- yyYear = yyvsp[0].Number;
- }
- ;
- break;}
-case 22:
-#line 265 "subversion/libsvn_subr/getdate.y"
-{
- /* ISO 8601 format. yyyy-mm-dd. */
- yyYear = yyvsp[-2].Number;
- yyMonth = -yyvsp[-1].Number;
- yyDay = -yyvsp[0].Number;
- ;
- break;}
-case 23:
-#line 271 "subversion/libsvn_subr/getdate.y"
-{
- /* e.g. 17-JUN-1992. */
- yyDay = yyvsp[-2].Number;
- yyMonth = yyvsp[-1].Number;
- yyYear = -yyvsp[0].Number;
- ;
- break;}
-case 24:
-#line 277 "subversion/libsvn_subr/getdate.y"
-{
- yyMonth = yyvsp[-1].Number;
- yyDay = yyvsp[0].Number;
- ;
- break;}
-case 25:
-#line 281 "subversion/libsvn_subr/getdate.y"
-{
- yyMonth = yyvsp[-3].Number;
- yyDay = yyvsp[-2].Number;
- yyYear = yyvsp[0].Number;
- ;
- break;}
-case 26:
-#line 286 "subversion/libsvn_subr/getdate.y"
-{
- yyMonth = yyvsp[0].Number;
- yyDay = yyvsp[-1].Number;
- ;
- break;}
-case 27:
-#line 290 "subversion/libsvn_subr/getdate.y"
-{
- yyMonth = yyvsp[-1].Number;
- yyDay = yyvsp[-2].Number;
- yyYear = yyvsp[0].Number;
- ;
- break;}
-case 28:
-#line 297 "subversion/libsvn_subr/getdate.y"
-{
- yyRelSeconds = -yyRelSeconds;
- yyRelMonth = -yyRelMonth;
- ;
- break;}
-case 30:
-#line 304 "subversion/libsvn_subr/getdate.y"
-{
- yyRelSeconds += yyvsp[-1].Number * yyvsp[0].Number * 60L;
- ;
- break;}
-case 31:
-#line 307 "subversion/libsvn_subr/getdate.y"
-{
- yyRelSeconds += yyvsp[-1].Number * yyvsp[0].Number * 60L;
- ;
- break;}
-case 32:
-#line 310 "subversion/libsvn_subr/getdate.y"
-{
- yyRelSeconds += yyvsp[0].Number * 60L;
- ;
- break;}
-case 33:
-#line 313 "subversion/libsvn_subr/getdate.y"
-{
- yyRelSeconds += yyvsp[-1].Number;
- ;
- break;}
-case 34:
-#line 316 "subversion/libsvn_subr/getdate.y"
-{
- yyRelSeconds += yyvsp[-1].Number;
- ;
- break;}
-case 35:
-#line 319 "subversion/libsvn_subr/getdate.y"
-{
- yyRelSeconds++;
- ;
- break;}
-case 36:
-#line 322 "subversion/libsvn_subr/getdate.y"
-{
- yyRelMonth += yyvsp[-1].Number * yyvsp[0].Number;
- ;
- break;}
-case 37:
-#line 325 "subversion/libsvn_subr/getdate.y"
-{
- yyRelMonth += yyvsp[-1].Number * yyvsp[0].Number;
- ;
- break;}
-case 38:
-#line 328 "subversion/libsvn_subr/getdate.y"
-{
- yyRelMonth += yyvsp[0].Number;
- ;
- break;}
-case 39:
-#line 333 "subversion/libsvn_subr/getdate.y"
-{
- if (yyHaveTime && yyHaveDate && !yyHaveRel)
- yyYear = yyvsp[0].Number;
- else {
- if(yyvsp[0].Number>10000) {
- yyHaveDate++;
- yyDay= (yyvsp[0].Number)%100;
- yyMonth= (yyvsp[0].Number/100)%100;
- yyYear = yyvsp[0].Number/10000;
- }
- else {
- yyHaveTime++;
- if (yyvsp[0].Number < 100) {
- yyHour = yyvsp[0].Number;
- yyMinutes = 0;
- }
- else {
- yyHour = yyvsp[0].Number / 100;
- yyMinutes = yyvsp[0].Number % 100;
- }
- yySeconds = 0;
- yyMeridian = MER24;
- }
- }
- ;
- break;}
-case 40:
-#line 360 "subversion/libsvn_subr/getdate.y"
-{
- yyval.Meridian = MER24;
- ;
- break;}
-case 41:
-#line 363 "subversion/libsvn_subr/getdate.y"
-{
- yyval.Meridian = yyvsp[0].Meridian;
- ;
- break;}
-}
-
-#line 705 "/usr/share/bison/bison.simple"
-
-
- yyvsp -= yylen;
- yyssp -= yylen;
-#if YYLSP_NEEDED
- yylsp -= yylen;
-#endif
-
-#if YYDEBUG
- if (yydebug)
- {
- short *yyssp1 = yyss - 1;
- YYFPRINTF (stderr, "state stack now");
- while (yyssp1 != yyssp)
- YYFPRINTF (stderr, " %d", *++yyssp1);
- YYFPRINTF (stderr, "\n");
- }
-#endif
-
- *++yyvsp = yyval;
-#if YYLSP_NEEDED
- *++yylsp = yyloc;
-#endif
-
- /* Now `shift' the result of the reduction. Determine what state
- that goes to, based on the state we popped back to and the rule
- number reduced by. */
-
- yyn = yyr1[yyn];
-
- yystate = yypgoto[yyn - YYNTBASE] + *yyssp;
- if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp)
- yystate = yytable[yystate];
- else
- yystate = yydefgoto[yyn - YYNTBASE];
-
- goto yynewstate;
-
-
-/*------------------------------------.
-| yyerrlab -- here on detecting error |
-`------------------------------------*/
-yyerrlab:
- /* If not already recovering from an error, report this error. */
- if (!yyerrstatus)
- {
- ++yynerrs;
-
-#ifdef YYERROR_VERBOSE
- yyn = yypact[yystate];
-
- if (yyn > YYFLAG && yyn < YYLAST)
- {
- YYSIZE_T yysize = 0;
- char *yymsg;
- int yyx, yycount;
-
- yycount = 0;
- /* Start YYX at -YYN if negative to avoid negative indexes in
- YYCHECK. */
- for (yyx = yyn < 0 ? -yyn : 0;
- yyx < (int) (sizeof (yytname) / sizeof (char *)); yyx++)
- if (yycheck[yyx + yyn] == yyx)
- yysize += yystrlen (yytname[yyx]) + 15, yycount++;
- yysize += yystrlen ("parse error, unexpected ") + 1;
- yysize += yystrlen (yytname[YYTRANSLATE (yychar)]);
- yymsg = (char *) YYSTACK_ALLOC (yysize);
- if (yymsg != 0)
- {
- char *yyp = yystpcpy (yymsg, "parse error, unexpected ");
- yyp = yystpcpy (yyp, yytname[YYTRANSLATE (yychar)]);
-
- if (yycount < 5)
- {
- yycount = 0;
- for (yyx = yyn < 0 ? -yyn : 0;
- yyx < (int) (sizeof (yytname) / sizeof (char *));
- yyx++)
- if (yycheck[yyx + yyn] == yyx)
- {
- const char *yyq = ! yycount ? ", expecting " : " or ";
- yyp = yystpcpy (yyp, yyq);
- yyp = yystpcpy (yyp, yytname[yyx]);
- yycount++;
- }
- }
- yyerror (yymsg);
- YYSTACK_FREE (yymsg);
- }
- else
- yyerror ("parse error; also virtual memory exhausted");
- }
- else
-#endif /* defined (YYERROR_VERBOSE) */
- yyerror ("parse error");
- }
- goto yyerrlab1;
-
-
-/*--------------------------------------------------.
-| yyerrlab1 -- error raised explicitly by an action |
-`--------------------------------------------------*/
-yyerrlab1:
- if (yyerrstatus == 3)
- {
- /* If just tried and failed to reuse lookahead token after an
- error, discard it. */
-
- /* return failure if at end of input */
- if (yychar == YYEOF)
- YYABORT;
- YYDPRINTF ((stderr, "Discarding token %d (%s).\n",
- yychar, yytname[yychar1]));
- yychar = YYEMPTY;
- }
-
- /* Else will try to reuse lookahead token after shifting the error
- token. */
-
- yyerrstatus = 3; /* Each real token shifted decrements this */
-
- goto yyerrhandle;
-
-
-/*-------------------------------------------------------------------.
-| yyerrdefault -- current state does not do anything special for the |
-| error token. |
-`-------------------------------------------------------------------*/
-yyerrdefault:
-#if 0
- /* This is wrong; only states that explicitly want error tokens
- should shift them. */
-
- /* If its default is to accept any token, ok. Otherwise pop it. */
- yyn = yydefact[yystate];
- if (yyn)
- goto yydefault;
-#endif
-
-
-/*---------------------------------------------------------------.
-| yyerrpop -- pop the current state because it cannot handle the |
-| error token |
-`---------------------------------------------------------------*/
-yyerrpop:
- if (yyssp == yyss)
- YYABORT;
- yyvsp--;
- yystate = *--yyssp;
-#if YYLSP_NEEDED
- yylsp--;
-#endif
-
-#if YYDEBUG
- if (yydebug)
- {
- short *yyssp1 = yyss - 1;
- YYFPRINTF (stderr, "Error: state stack now");
- while (yyssp1 != yyssp)
- YYFPRINTF (stderr, " %d", *++yyssp1);
- YYFPRINTF (stderr, "\n");
- }
-#endif
-
-/*--------------.
-| yyerrhandle. |
-`--------------*/
-yyerrhandle:
- yyn = yypact[yystate];
- if (yyn == YYFLAG)
- goto yyerrdefault;
-
- yyn += YYTERROR;
- if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != YYTERROR)
- goto yyerrdefault;
-
- yyn = yytable[yyn];
- if (yyn < 0)
- {
- if (yyn == YYFLAG)
- goto yyerrpop;
- yyn = -yyn;
- goto yyreduce;
- }
- else if (yyn == 0)
- goto yyerrpop;
-
- if (yyn == YYFINAL)
- YYACCEPT;
-
- YYDPRINTF ((stderr, "Shifting error token, "));
-
- *++yyvsp = yylval;
-#if YYLSP_NEEDED
- *++yylsp = yylloc;
-#endif
-
- yystate = yyn;
- goto yynewstate;
-
-
-/*-------------------------------------.
-| yyacceptlab -- YYACCEPT comes here. |
-`-------------------------------------*/
-yyacceptlab:
- yyresult = 0;
- goto yyreturn;
-
-/*-----------------------------------.
-| yyabortlab -- YYABORT comes here. |
-`-----------------------------------*/
-yyabortlab:
- yyresult = 1;
- goto yyreturn;
-
-/*---------------------------------------------.
-| yyoverflowab -- parser overflow comes here. |
-`---------------------------------------------*/
-yyoverflowlab:
- yyerror ("parser stack overflow");
- yyresult = 2;
- /* Fall through. */
-
-yyreturn:
-#ifndef yyoverflow
- if (yyss != yyssa)
- YYSTACK_FREE (yyss);
-#endif
- return yyresult;
-}
-#line 368 "subversion/libsvn_subr/getdate.y"
-
-
-/* Month and day table. */
-static TABLE const MonthDayTable[] = {
- { "january", tMONTH, 1 },
- { "february", tMONTH, 2 },
- { "march", tMONTH, 3 },
- { "april", tMONTH, 4 },
- { "may", tMONTH, 5 },
- { "june", tMONTH, 6 },
- { "july", tMONTH, 7 },
- { "august", tMONTH, 8 },
- { "september", tMONTH, 9 },
- { "sept", tMONTH, 9 },
- { "october", tMONTH, 10 },
- { "november", tMONTH, 11 },
- { "december", tMONTH, 12 },
- { "sunday", tDAY, 0 },
- { "monday", tDAY, 1 },
- { "tuesday", tDAY, 2 },
- { "tues", tDAY, 2 },
- { "wednesday", tDAY, 3 },
- { "wednes", tDAY, 3 },
- { "thursday", tDAY, 4 },
- { "thur", tDAY, 4 },
- { "thurs", tDAY, 4 },
- { "friday", tDAY, 5 },
- { "saturday", tDAY, 6 },
- { NULL }
-};
-
-/* Time units table. */
-static TABLE const UnitsTable[] = {
- { "year", tMONTH_UNIT, 12 },
- { "month", tMONTH_UNIT, 1 },
- { "fortnight", tMINUTE_UNIT, 14 * 24 * 60 },
- { "week", tMINUTE_UNIT, 7 * 24 * 60 },
- { "day", tMINUTE_UNIT, 1 * 24 * 60 },
- { "hour", tMINUTE_UNIT, 60 },
- { "minute", tMINUTE_UNIT, 1 },
- { "min", tMINUTE_UNIT, 1 },
- { "second", tSEC_UNIT, 1 },
- { "sec", tSEC_UNIT, 1 },
- { NULL }
-};
-
-/* Assorted relative-time words. */
-static TABLE const OtherTable[] = {
- { "tomorrow", tMINUTE_UNIT, 1 * 24 * 60 },
- { "yesterday", tMINUTE_UNIT, -1 * 24 * 60 },
- { "today", tMINUTE_UNIT, 0 },
- { "now", tMINUTE_UNIT, 0 },
- { "last", tUNUMBER, -1 },
- { "this", tMINUTE_UNIT, 0 },
- { "next", tUNUMBER, 2 },
- { "first", tUNUMBER, 1 },
-/* { "second", tUNUMBER, 2 }, */
- { "third", tUNUMBER, 3 },
- { "fourth", tUNUMBER, 4 },
- { "fifth", tUNUMBER, 5 },
- { "sixth", tUNUMBER, 6 },
- { "seventh", tUNUMBER, 7 },
- { "eighth", tUNUMBER, 8 },
- { "ninth", tUNUMBER, 9 },
- { "tenth", tUNUMBER, 10 },
- { "eleventh", tUNUMBER, 11 },
- { "twelfth", tUNUMBER, 12 },
- { "ago", tAGO, 1 },
- { NULL }
-};
-
-/* The timezone table. */
-/* Some of these are commented out because a time_t can't store a float. */
-static TABLE const TimezoneTable[] = {
- { "gmt", tZONE, HOUR( 0) }, /* Greenwich Mean */
- { "ut", tZONE, HOUR( 0) }, /* Universal (Coordinated) */
- { "utc", tZONE, HOUR( 0) },
- { "wet", tZONE, HOUR( 0) }, /* Western European */
- { "bst", tDAYZONE, HOUR( 0) }, /* British Summer */
- { "wat", tZONE, HOUR( 1) }, /* West Africa */
- { "at", tZONE, HOUR( 2) }, /* Azores */
-#if 0
- /* For completeness. BST is also British Summer, and GST is
- * also Guam Standard. */
- { "bst", tZONE, HOUR( 3) }, /* Brazil Standard */
- { "gst", tZONE, HOUR( 3) }, /* Greenland Standard */
-#endif
-#if 0
- { "nft", tZONE, HOUR(3.5) }, /* Newfoundland */
- { "nst", tZONE, HOUR(3.5) }, /* Newfoundland Standard */
- { "ndt", tDAYZONE, HOUR(3.5) }, /* Newfoundland Daylight */
-#endif
- { "ast", tZONE, HOUR( 4) }, /* Atlantic Standard */
- { "adt", tDAYZONE, HOUR( 4) }, /* Atlantic Daylight */
- { "est", tZONE, HOUR( 5) }, /* Eastern Standard */
- { "edt", tDAYZONE, HOUR( 5) }, /* Eastern Daylight */
- { "cst", tZONE, HOUR( 6) }, /* Central Standard */
- { "cdt", tDAYZONE, HOUR( 6) }, /* Central Daylight */
- { "mst", tZONE, HOUR( 7) }, /* Mountain Standard */
- { "mdt", tDAYZONE, HOUR( 7) }, /* Mountain Daylight */
- { "pst", tZONE, HOUR( 8) }, /* Pacific Standard */
- { "pdt", tDAYZONE, HOUR( 8) }, /* Pacific Daylight */
- { "yst", tZONE, HOUR( 9) }, /* Yukon Standard */
- { "ydt", tDAYZONE, HOUR( 9) }, /* Yukon Daylight */
- { "hst", tZONE, HOUR(10) }, /* Hawaii Standard */
- { "hdt", tDAYZONE, HOUR(10) }, /* Hawaii Daylight */
- { "cat", tZONE, HOUR(10) }, /* Central Alaska */
- { "ahst", tZONE, HOUR(10) }, /* Alaska-Hawaii Standard */
- { "nt", tZONE, HOUR(11) }, /* Nome */
- { "idlw", tZONE, HOUR(12) }, /* International Date Line West */
- { "cet", tZONE, -HOUR(1) }, /* Central European */
- { "met", tZONE, -HOUR(1) }, /* Middle European */
- { "mewt", tZONE, -HOUR(1) }, /* Middle European Winter */
- { "mest", tDAYZONE, -HOUR(1) }, /* Middle European Summer */
- { "swt", tZONE, -HOUR(1) }, /* Swedish Winter */
- { "sst", tDAYZONE, -HOUR(1) }, /* Swedish Summer */
- { "fwt", tZONE, -HOUR(1) }, /* French Winter */
- { "fst", tDAYZONE, -HOUR(1) }, /* French Summer */
- { "eet", tZONE, -HOUR(2) }, /* Eastern Europe, USSR Zone 1 */
- { "bt", tZONE, -HOUR(3) }, /* Baghdad, USSR Zone 2 */
-#if 0
- { "it", tZONE, -HOUR(3.5) },/* Iran */
-#endif
- { "zp4", tZONE, -HOUR(4) }, /* USSR Zone 3 */
- { "zp5", tZONE, -HOUR(5) }, /* USSR Zone 4 */
-#if 0
- { "ist", tZONE, -HOUR(5.5) },/* Indian Standard */
-#endif
- { "zp6", tZONE, -HOUR(6) }, /* USSR Zone 5 */
-#if 0
- /* For completeness. NST is also Newfoundland Stanard, and SST is
- * also Swedish Summer. */
- { "nst", tZONE, -HOUR(6.5) },/* North Sumatra */
- { "sst", tZONE, -HOUR(7) }, /* South Sumatra, USSR Zone 6 */
-#endif /* 0 */
- { "wast", tZONE, -HOUR(7) }, /* West Australian Standard */
- { "wadt", tDAYZONE, -HOUR(7) }, /* West Australian Daylight */
-#if 0
- { "jt", tZONE, -HOUR(7.5) },/* Java (3pm in Cronusland!) */
-#endif
- { "cct", tZONE, -HOUR(8) }, /* China Coast, USSR Zone 7 */
- { "jst", tZONE, -HOUR(9) }, /* Japan Standard, USSR Zone 8 */
-#if 0
- { "cast", tZONE, -HOUR(9.5) },/* Central Australian Standard */
- { "cadt", tDAYZONE, -HOUR(9.5) },/* Central Australian Daylight */
-#endif
- { "east", tZONE, -HOUR(10) }, /* Eastern Australian Standard */
- { "eadt", tDAYZONE, -HOUR(10) }, /* Eastern Australian Daylight */
- { "gst", tZONE, -HOUR(10) }, /* Guam Standard, USSR Zone 9 */
- { "nzt", tZONE, -HOUR(12) }, /* New Zealand */
- { "nzst", tZONE, -HOUR(12) }, /* New Zealand Standard */
- { "nzdt", tDAYZONE, -HOUR(12) }, /* New Zealand Daylight */
- { "idle", tZONE, -HOUR(12) }, /* International Date Line East */
- { NULL }
-};
-
-/* Military timezone table. */
-static TABLE const MilitaryTable[] = {
- { "a", tZONE, HOUR( 1) },
- { "b", tZONE, HOUR( 2) },
- { "c", tZONE, HOUR( 3) },
- { "d", tZONE, HOUR( 4) },
- { "e", tZONE, HOUR( 5) },
- { "f", tZONE, HOUR( 6) },
- { "g", tZONE, HOUR( 7) },
- { "h", tZONE, HOUR( 8) },
- { "i", tZONE, HOUR( 9) },
- { "k", tZONE, HOUR( 10) },
- { "l", tZONE, HOUR( 11) },
- { "m", tZONE, HOUR( 12) },
- { "n", tZONE, HOUR(- 1) },
- { "o", tZONE, HOUR(- 2) },
- { "p", tZONE, HOUR(- 3) },
- { "q", tZONE, HOUR(- 4) },
- { "r", tZONE, HOUR(- 5) },
- { "s", tZONE, HOUR(- 6) },
- { "t", tZONE, HOUR(- 7) },
- { "u", tZONE, HOUR(- 8) },
- { "v", tZONE, HOUR(- 9) },
- { "w", tZONE, HOUR(-10) },
- { "x", tZONE, HOUR(-11) },
- { "y", tZONE, HOUR(-12) },
- { "z", tZONE, HOUR( 0) },
- { NULL }
-};
-
-
-
-
-/* ARGSUSED */
-static int
-yyerror(s)
- const char *s;
-{
- return 0;
-}
-
-
-static time_t
-ToSeconds(time_t Hours,
- time_t Minutes,
- time_t Seconds,
- MERIDIAN Meridian)
-{
- if (Minutes < 0 || Minutes > 59 || Seconds < 0 || Seconds > 59)
- return -1;
- switch (Meridian) {
- case MER24:
- if (Hours < 0 || Hours > 23)
- return -1;
- return (Hours * 60L + Minutes) * 60L + Seconds;
- case MERam:
- if (Hours < 1 || Hours > 12)
- return -1;
- if (Hours == 12)
- Hours = 0;
- return (Hours * 60L + Minutes) * 60L + Seconds;
- case MERpm:
- if (Hours < 1 || Hours > 12)
- return -1;
- if (Hours == 12)
- Hours = 0;
- return ((Hours + 12) * 60L + Minutes) * 60L + Seconds;
- default:
- abort ();
- }
- /* NOTREACHED */
-}
-
-
-/* Year is either
- * A negative number, which means to use its absolute value (why?)
- * A number from 0 to 99, which means a year from 1900 to 1999, or
- * The actual year (>=100). */
-static time_t
-Convert (time_t Month,
- time_t Day,
- time_t Year,
- time_t Hours,
- time_t Minutes,
- time_t Seconds,
- MERIDIAN Meridian,
- DSTMODE DSTmode)
-{
- static int DaysInMonth[12] = {
- 31, 0, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
- };
- time_t tod;
- time_t Julian;
- int i;
-
- if (Year < 0)
- Year = -Year;
- if (Year < 69)
- Year += 2000;
- else if (Year < 100)
- Year += 1900;
- DaysInMonth[1] = Year % 4 == 0 && (Year % 100 != 0 || Year % 400 == 0)
- ? 29 : 28;
- /* Checking for 2038 bogusly assumes that time_t is 32 bits. But
- I'm too lazy to try to check for time_t overflow in another way. */
- if (Year < EPOCH || Year > 2038
- || Month < 1 || Month > 12
- /* Lint fluff: "conversion from long may lose accuracy" */
- || Day < 1 || Day > DaysInMonth[(int)--Month])
- return -1;
-
- for (Julian = Day - 1, i = 0; i < Month; i++)
- Julian += DaysInMonth[i];
- for (i = EPOCH; i < Year; i++)
- Julian += 365 + (i % 4 == 0);
- Julian *= SECSPERDAY;
- Julian += yyTimezone * 60L;
- if ((tod = ToSeconds(Hours, Minutes, Seconds, Meridian)) < 0)
- return -1;
- Julian += tod;
- if (DSTmode == DSTon
- || (DSTmode == DSTmaybe && localtime(&Julian)->tm_isdst))
- Julian -= 60 * 60;
- return Julian;
-}
-
-
-static time_t
-DSTcorrect(time_t Start, time_t Future)
-{
- time_t StartDay;
- time_t FutureDay;
-
- StartDay = (localtime(&Start)->tm_hour + 1) % 24;
- FutureDay = (localtime(&Future)->tm_hour + 1) % 24;
- return (Future - Start) + (StartDay - FutureDay) * 60L * 60L;
-}
-
-
-static time_t
-RelativeDate(time_t Start, time_t DayOrdinal, time_t DayNumber)
-{
- struct tm *tm;
- time_t now;
-
- now = Start;
- tm = localtime(&now);
- now += SECSPERDAY * ((DayNumber - tm->tm_wday + 7) % 7);
- now += 7 * SECSPERDAY * (DayOrdinal <= 0 ? DayOrdinal : DayOrdinal - 1);
- return DSTcorrect(Start, now);
-}
-
-
-static time_t
-RelativeMonth(time_t Start, time_t RelMonth)
-{
- struct tm *tm;
- time_t Month;
- time_t Year;
-
- if (RelMonth == 0)
- return 0;
- tm = localtime(&Start);
- Month = 12 * (tm->tm_year + 1900) + tm->tm_mon + RelMonth;
- Year = Month / 12;
- Month = Month % 12 + 1;
- return DSTcorrect(Start,
- Convert(Month, (time_t)tm->tm_mday, Year,
- (time_t)tm->tm_hour, (time_t)tm->tm_min, (time_t)tm->tm_sec,
- MER24, DSTmaybe));
-}
-
-
-static int
-LookupWord(char *buff)
-{
- register char *p;
- register char *q;
- register const TABLE *tp;
- int i;
- int abbrev;
-
- /* Make it lowercase. */
- for (p = buff; *p; p++)
- if (isupper(*p))
- *p = tolower(*p);
-
- if (strcmp(buff, "am") == 0 || strcmp(buff, "a.m.") == 0) {
- yylval.Meridian = MERam;
- return tMERIDIAN;
- }
- if (strcmp(buff, "pm") == 0 || strcmp(buff, "p.m.") == 0) {
- yylval.Meridian = MERpm;
- return tMERIDIAN;
- }
-
- /* See if we have an abbreviation for a month. */
- if (strlen(buff) == 3)
- abbrev = 1;
- else if (strlen(buff) == 4 && buff[3] == '.') {
- abbrev = 1;
- buff[3] = '\0';
- }
- else
- abbrev = 0;
-
- for (tp = MonthDayTable; tp->name; tp++) {
- if (abbrev) {
- if (strncmp(buff, tp->name, 3) == 0) {
- yylval.Number = tp->value;
- return tp->type;
- }
- }
- else if (strcmp(buff, tp->name) == 0) {
- yylval.Number = tp->value;
- return tp->type;
- }
- }
-
- for (tp = TimezoneTable; tp->name; tp++)
- if (strcmp(buff, tp->name) == 0) {
- yylval.Number = tp->value;
- return tp->type;
- }
-
- if (strcmp(buff, "dst") == 0)
- return tDST;
-
- for (tp = UnitsTable; tp->name; tp++)
- if (strcmp(buff, tp->name) == 0) {
- yylval.Number = tp->value;
- return tp->type;
- }
-
- /* Strip off any plural and try the units table again. */
- i = strlen(buff) - 1;
- if (buff[i] == 's') {
- buff[i] = '\0';
- for (tp = UnitsTable; tp->name; tp++)
- if (strcmp(buff, tp->name) == 0) {
- yylval.Number = tp->value;
- return tp->type;
- }
- buff[i] = 's'; /* Put back for "this" in OtherTable. */
- }
-
- for (tp = OtherTable; tp->name; tp++)
- if (strcmp(buff, tp->name) == 0) {
- yylval.Number = tp->value;
- return tp->type;
- }
-
- /* Military timezones. */
- if (buff[1] == '\0' && isalpha(*buff)) {
- for (tp = MilitaryTable; tp->name; tp++)
- if (strcmp(buff, tp->name) == 0) {
- yylval.Number = tp->value;
- return tp->type;
- }
- }
-
- /* Drop out any periods and try the timezone table again. */
- for (i = 0, p = q = buff; *q; q++)
- if (*q != '.')
- *p++ = *q;
- else
- i++;
- *p = '\0';
- if (i)
- for (tp = TimezoneTable; tp->name; tp++)
- if (strcmp(buff, tp->name) == 0) {
- yylval.Number = tp->value;
- return tp->type;
- }
-
- return tID;
-}
-
-
-static int
-yylex()
-{
- register char c;
- register char *p;
- char buff[20];
- int Count;
- int sign;
-
- for ( ; ; ) {
- while (isspace(*yyInput))
- yyInput++;
-
- if (isdigit(c = *yyInput) || c == '-' || c == '+') {
- if (c == '-' || c == '+') {
- sign = c == '-' ? -1 : 1;
- if (!isdigit(*++yyInput))
- /* skip the '-' sign */
- continue;
- }
- else
- sign = 0;
- for (yylval.Number = 0; isdigit(c = *yyInput++); )
- yylval.Number = 10 * yylval.Number + c - '0';
- yyInput--;
- if (sign < 0)
- yylval.Number = -yylval.Number;
- return sign ? tSNUMBER : tUNUMBER;
- }
- if (isalpha(c)) {
- for (p = buff; isalpha(c = *yyInput++) || c == '.'; )
- if (p < &buff[sizeof buff - 1])
- *p++ = c;
- *p = '\0';
- yyInput--;
- return LookupWord(buff);
- }
- if (c != '(')
- return *yyInput++;
- Count = 0;
- do {
- c = *yyInput++;
- if (c == '\0')
- return c;
- if (c == '(')
- Count++;
- else if (c == ')')
- Count--;
- } while (Count > 0);
- }
-}
-
-#define TM_YEAR_ORIGIN 1900
-
-/* Yield A - B, measured in seconds. */
-static long
-difftm (struct tm *a, struct tm *b)
-{
- int ay = a->tm_year + (TM_YEAR_ORIGIN - 1);
- int by = b->tm_year + (TM_YEAR_ORIGIN - 1);
- int days = (
- /* difference in day of year */
- a->tm_yday - b->tm_yday
- /* + intervening leap days */
- + ((ay >> 2) - (by >> 2))
- - (ay/100 - by/100)
- + ((ay/100 >> 2) - (by/100 >> 2))
- /* + difference in years * 365 */
- + (long)(ay-by) * 365
- );
- return (60*(60*(24*days + (a->tm_hour - b->tm_hour))
- + (a->tm_min - b->tm_min))
- + (a->tm_sec - b->tm_sec));
-}
-
-time_t
-svn_parse_date(char *p, struct getdate_time *now)
-{
- struct tm *tm, gmt;
- struct getdate_time ftz;
- time_t Start;
- time_t tod;
- time_t nowtime;
-
- yyInput = p;
- if (now == NULL) {
- struct tm *gmt_ptr;
-
- now = &ftz;
- (void)time (&nowtime);
-
- gmt_ptr = gmtime (&nowtime);
- if (gmt_ptr != NULL)
- {
- /* Make a copy, in case localtime modifies *tm (I think
- that comment now applies to *gmt_ptr, but I am too
- lazy to dig into how gmtime and locatime allocate the
- structures they return pointers to). */
- gmt = *gmt_ptr;
- }
-
- if (! (tm = localtime (&nowtime)))
- return -1;
-
- if (gmt_ptr != NULL)
- ftz.timezone = difftm (&gmt, tm) / 60;
- else
- /* We are on a system like VMS, where the system clock is
- in local time and the system has no concept of timezones.
- Hopefully we can fake this out (for the case in which the
- user specifies no timezone) by just saying the timezone
- is zero. */
- ftz.timezone = 0;
-
- if(tm->tm_isdst)
- ftz.timezone += 60;
- }
- else
- {
- nowtime = now->time;
- }
-
- tm = localtime(&nowtime);
- yyYear = tm->tm_year + 1900;
- yyMonth = tm->tm_mon + 1;
- yyDay = tm->tm_mday;
- yyTimezone = now->timezone;
- yyDSTmode = DSTmaybe;
- yyHour = 0;
- yyMinutes = 0;
- yySeconds = 0;
- yyMeridian = MER24;
- yyRelSeconds = 0;
- yyRelMonth = 0;
- yyHaveDate = 0;
- yyHaveDay = 0;
- yyHaveRel = 0;
- yyHaveTime = 0;
- yyHaveZone = 0;
-
- if (yyparse()
- || yyHaveTime > 1 || yyHaveZone > 1 || yyHaveDate > 1 || yyHaveDay > 1)
- return -1;
-
- if (yyHaveDate || yyHaveTime || yyHaveDay) {
- Start = Convert(yyMonth, yyDay, yyYear, yyHour, yyMinutes, yySeconds,
- yyMeridian, yyDSTmode);
- if (Start < 0)
- return -1;
- }
- else {
- Start = nowtime;
- if (!yyHaveRel)
- Start -= ((tm->tm_hour * 60L + tm->tm_min) * 60L) + tm->tm_sec;
- }
-
- Start += yyRelSeconds;
- Start += RelativeMonth(Start, yyRelMonth);
-
- if (yyHaveDay && !yyHaveDate) {
- tod = RelativeDate(Start, yyDayOrdinal, yyDayNumber);
- Start += tod;
- }
-
- /* Have to do *something* with a legitimate -1 so it's distinguishable
- * from the error return value. (Alternately could set errno on error.) */
- return Start == -1 ? 0 : Start;
-}
-
-
-#if defined(TEST)
-
-/* ARGSUSED */
-int
-main(int ac, char *av[])
-{
- char buff[128];
- time_t d;
-
- (void)printf("Enter date, or blank line to exit.\n\t> ");
- (void)fflush(stdout);
- while (gets(buff) && buff[0]) {
- d = svn_parse_date(buff, (struct getdate_time *)NULL);
- if (d == -1)
- (void)printf("Bad format - couldn't convert.\n");
- else
- (void)printf("%s", ctime(&d));
- (void)printf("\t> ");
- (void)fflush(stdout);
- }
- exit(0);
- /* NOTREACHED */
-}
-#endif /* defined(TEST) */
Index: subversion/libsvn_subr/date.c
===================================================================
--- subversion/libsvn_subr/date.c (revision 0)
+++ subversion/libsvn_subr/date.c (revision 0)
@@ -0,0 +1,194 @@
+#include <apr_lib.h>
+#include <svn_time.h>
+
+/* Possible return values from char_match() */
+typedef enum {
+ match_none, /* no match */
+ match_simple, /* direct match from template char to value char */
+ match_skip, /* potential skip */
+ match_complete, /* match at end-of-template/end-of-value */
+} match_type_t;
+
+
+/* Determine how a particular character VCHAR matches the current
+ template character TCHAR.
+
+ Legal template characters are:
+
+ YMDhmsH: match any digit
+ :-TZ and space: match themselves
+ +: matches '-' and '+'
+ .: matches '.' and ','
+ ?: matches either the end-of-value or
+ causes the special "match_skip" match. */
+
+static match_type_t
+char_match (int tchar, int vchar)
+{
+ switch (tchar)
+ {
+ case 0:
+ return vchar ? match_none : match_complete;
+
+ case 'Y': case 'M': case 'D':
+ case 'h': case 'm': case 's':
+ case 'H':
+ return apr_isascii (vchar) && apr_isdigit (vchar)? match_simple :
+ match_none;
+ case ':': case '-': case 'T':
+ case ' ': case 'Z':
+ return vchar == tchar? match_simple : match_none;
+
+ case '.':
+ return vchar == '.' || vchar == ',' ? match_simple : match_none;
+
+ case '+':
+ return vchar == '-' || vchar == '+' ? match_simple : match_none;
+
+ case '?':
+ return vchar ? match_skip : match_complete;
+
+ default:
+ return match_none;
+ }
+}
+
+/* Attempt to match the date-string in VALUE to provided TEMPLATE.
+ As each character is matched, the corresponding OPCODE is applied
+ using the corresponding OPERAND. The matched values are store in
+ RESULTS, the first COUNT integers of which are zeroed at entry.
+ Return TRUE iff the VALUE matches the TEMPLATE.
+
+ Template/Value matching is described above. Legal opcodes
+ are:
+
+ 'A': Append VALUE to results[OPERAND].
+ 'M': Add VALUE fractional seconds into results[OPERAND].
+ 'S': Set results[OPERAND] to VALUE.
+ '?': If the next VALUE and TEMPLATE char match then continue
+ parsing, otherwise advance the parse state to the next
+ occurance of OPERAND in TEMPLATE. Unspecified behaviour
+ results if there is no such occurance.
+ ' ': Do nothing. */
+
+static svn_boolean_t
+template_match (const char *value, const char *template, const char *opcodes,
+ const char *operands, int *results, int count)
+{
+ int multiplier = 100000;
+ char tchar, vchar, opcode;
+ int operand;
+ int skip;
+
+ memset (results, 0, count * sizeof (*results));
+
+ for (;;)
+ {
+ tchar = *template++;
+ opcode = *opcodes++;
+ operand = *operands++;
+ vchar = *value;
+
+ switch (char_match (tchar, vchar))
+ {
+ case match_complete:
+ return TRUE;
+ case match_none:
+ return FALSE;
+ case match_simple:
+ value++;
+ break;
+ case match_skip:
+ break;
+ }
+
+ switch (opcode)
+ {
+ case 'A':
+ results[operand - '0'] = results[operand - '0'] * 10 + vchar - '0';
+ break;
+ case 'M':
+ results[operand - '0'] += (vchar - '0') * multiplier;
+ multiplier /= 10;
+ break;
+ case 'S':
+ results[operand - '0'] = vchar;
+ break;
+ case '?':
+ if (char_match (*template, *value) == match_simple)
+ break;
+ skip = strchr (template, operand) - template;
+ template += skip;
+ opcodes += skip;
+ operands += skip;
+ }
+ }
+}
+
+#define RESULT_COUNT 10
+
+svn_boolean_t
+svn_parse_date (const char *value, apr_time_t now, apr_int32_t gmtoff,
+ apr_time_t *val)
+{
+ apr_time_exp_t exp;
+ int results[RESULT_COUNT];
+
+ memset(&exp, 0, sizeof (exp));
+
+ if (template_match (value, /* try ISO-8601 extended */
+ "YYYY-MM-DD?Thh?:mm?:ss?.s?s?s?s?s?s?Z?+HH?:MM",
+ "AAAA AA AA? AA? AA? AA? M?M?M?M?M?M?S SAA AA",
+ "0000 11 22Z 33Z 44Z 55Z 6Z6Z6Z6Z6Z6Z7 788 99",
+ results, RESULT_COUNT)
+ || template_match (value, /* try ISO-8601 basic */
+ "YYYYMMDD?Thh?mm?ss?.s?s?s?s?s?s?Z?+HH?MM",
+ "AAAAAAAA? AA?AA?AA? M?M?M?M?M?M?S SAA AA",
+ "00001122Z 33Z44Z55Z 6Z6Z6Z6Z6Z6Z7 788 99",
+ results, RESULT_COUNT)
+ || template_match (value, /* try the "svn log" format */
+ "YYYY-MM-DD hh:mm:ss?.s?s?s?s?s?s? +HHMM",
+ "AAAA AA AA AA AA AA? M?M?M?M?M?M SAAAA",
+ "0000 11 22 33 44 55 6 6 6 6 6 6 78899",
+ results, RESULT_COUNT))
+ {
+ exp.tm_year = results[0] - 1900;
+ exp.tm_mon = results[1] - 1;
+ exp.tm_mday = results[2];
+ }
+ else if (template_match (value, /* try just a time */
+ "hh:mm?:ss?.s?s?s?s?s?s",
+ "AA AA AA M M M M M M",
+ "33 44 55 6 6 6 6 6 6",
+ results, RESULT_COUNT))
+ {
+ apr_time_exp_t expnow;
+ if (apr_time_exp_tz (&expnow, now, gmtoff) != APR_SUCCESS)
+ return FALSE;
+ exp.tm_year = expnow.tm_year;
+ exp.tm_mon = expnow.tm_mon;
+ exp.tm_mday = expnow.tm_mday;
+ }
+ else
+ return FALSE;
+
+ exp.tm_hour = results[3];
+ exp.tm_min = results[4];
+ exp.tm_sec = results[5];
+ exp.tm_usec = results[6];
+
+ switch (results[7])
+ {
+ case 0:
+ exp.tm_gmtoff = gmtoff;
+ break;
+ case '+':
+ exp.tm_gmtoff = results[8]*3600 + results[9]*60;
+ break;
+ case '-':
+ exp.tm_gmtoff = -(results[8]*3600 + results[9]*60);
+ break;
+ }
+
+ return apr_time_exp_gmt_get (val, &exp) == APR_SUCCESS;
+}
Index: autogen.sh
===================================================================
--- autogen.sh (revision 8041)
+++ autogen.sh (working copy)
@@ -70,23 +70,6 @@
 # any old aclocal.m4 left over from prior build so it doesn't cause errors.
 rm -f aclocal.m4
 
-# Produce getdate.c from getdate.y.
-# Again, this means that "developers" who run autogen.sh need either
-# yacc or bison -- but not people who compile sourceballs, since `make
-# dist` will include getdate.c.
-echo "Creating getdate.c..."
-bison -o subversion/libsvn_subr/getdate.c subversion/libsvn_subr/getdate.y
-if [ $? -ne 0 ]; then
- yacc -o subversion/libsvn_subr/getdate.c subversion/libsvn_subr/getdate.y
- if [ $? -ne 0 ]; then
- echo
- echo " Error: can't find either bison or yacc."
- echo " One of these is needed to generate the date parser."
- echo
- exit 1
- fi
-fi
-
 # Create the file detailing all of the build outputs for SVN.
 #
 # Note: this dependency on Python is fine: only SVN developers use autogen.sh

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Received on Sun Dec 21 06:46:46 2003

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