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r123543 - in /trunk/gcc/ada: a-calari.adb a-cal...


Author: charlet
Date: Fri Apr  6 10:15:21 2007
New Revision: 123543

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=123543
Log:
2007-04-06  Hristian Kirtchev  <kirtchev@adacore.com>
	    Vincent Celier  <celier@adacore.com>

	* a-calend-vms.ads, a-calend.ads, a-calend.adb, a-calend-vms.adb:
	New version of Ada.Calendar which supports the new upper bound of Ada
	time (2399-12-31 86_399.999999999).
	The following modifications have been made to the package:
	 - New representation of time as count of nanoseconds since the start of
	   Ada time (1901-1-1 0.0).
	 - Target independent Split and Time_Of routines which service both
	   Ada 95 and Ada 2005 code.
	 - Target independent interface to the Ada 2005 children of Calendar.
	 - Integrated leap seconds into Ada 95 and Ada 2005 mode.
	 - Handling of non-leap centenial years.
	 - Updated clock function.
	 - Updated arithmetic and comparison operators.

	* a-caldel.adb (To_Duration): Add call to target independent routine in
	Ada.Calendar to handle the conversion of time to duration.

	* sysdep.c (__gnat_localtime_tzoff): Test timezone before setting off
	(UTC Offset).
	If timezone is obviously incorrect (outside of -14 hours .. 14 hours),
	set off to 0.
	(__gnat_localtime_tzoff for Lynx and VxWorks): Even though these
	targets do not have a natural time zone, GMT is used as a default.
	(__gnat_get_task_options): New.

	* a-direct.adb (Modification_Time): Add with and use clauses for
	Ada.Calendar and Ada.
	Calendar.Formatting. Remove with clause for Ada.Unchecked_Conversion
	since it is no longer needed.
	(Duration_To_Time): Removed.
	(OS_Time_To_Long_Integer): Removed.
	(Modification_Time): Rewritten to use Ada.Calendar and Ada.Calendar.
	Formatting Time_Of routines which automatically handle time zones,
	buffer periods and leap seconds.

	* a-calari.ads, a-calari.adb ("+", "-", Difference): Add calls to
	target independent routines in Ada.Calendar.

	* a-calfor.ads, a-calfor.adb: 
	Code cleanup and addition of validity checks in various routines.
	(Day_Of_Week, Split, Time_Of): Add call to target independent routine in
	Ada.Calendar.

	* a-catizo.ads, a-catizo.adb (UTC_Time_Offset): Add call to target
	independent routine in Ada.Calendar.


Modified:
    trunk/gcc/ada/a-calari.adb
    trunk/gcc/ada/a-calari.ads
    trunk/gcc/ada/a-caldel.adb
    trunk/gcc/ada/a-calend-vms.adb
    trunk/gcc/ada/a-calend-vms.ads
    trunk/gcc/ada/a-calend.adb
    trunk/gcc/ada/a-calend.ads
    trunk/gcc/ada/a-calfor.adb
    trunk/gcc/ada/a-calfor.ads
    trunk/gcc/ada/a-catizo.adb
    trunk/gcc/ada/a-catizo.ads
    trunk/gcc/ada/a-direct.adb
    trunk/gcc/ada/sysdep.c


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