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+------------------------------------------------------------------------------
+-- --
+-- GNAT LIBRARY COMPONENTS --
+-- --
+-- G N A T . M O S T _ R E C E N T _ E X C E P T I O N --
+-- --
+-- B o d y --
+-- --
+-- Copyright (C) 2000-2006, AdaCore --
+-- --
+-- GNAT is free software; you can redistribute it and/or modify it under --
+-- terms of the GNU General Public License as published by the Free Soft- --
+-- ware Foundation; either version 2, or (at your option) any later ver- --
+-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
+-- OUT 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 distributed with GNAT; see file COPYING. If not, write --
+-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
+-- Boston, MA 02110-1301, USA. --
+-- --
+-- As a special exception, if other files instantiate generics from this --
+-- unit, or you link this unit with other files to produce an executable, --
+-- this unit does not by itself cause the resulting executable to be --
+-- covered by the GNU General Public License. This exception does not --
+-- however invalidate any other reasons why the executable file might be --
+-- covered by the GNU Public License. --
+-- --
+-- GNAT was originally developed by the GNAT team at New York University. --
+-- Extensive contributions were provided by Ada Core Technologies Inc. --
+-- --
+------------------------------------------------------------------------------
+
+with Ada.Exceptions.Is_Null_Occurrence;
+with System.Soft_Links;
+
+package body GNAT.Most_Recent_Exception is
+
+ ----------------
+ -- Occurrence --
+ ----------------
+
+ function Occurrence return Ada.Exceptions.Exception_Occurrence is
+ EOA : constant Ada.Exceptions.Exception_Occurrence_Access :=
+ GNAT.Most_Recent_Exception.Occurrence_Access;
+
+ use type Ada.Exceptions.Exception_Occurrence_Access;
+
+ begin
+ pragma Warnings (Off);
+ if EOA = null then
+ return Ada.Exceptions.Null_Occurrence;
+ else
+ return EOA.all;
+ end if;
+ pragma Warnings (On);
+
+ -- ???Note that both of the above return statements violate the Ada
+ -- 2005 rule forbidding copying of limited objects (see RM-7.5(2.8/2)).
+ -- When compiled with -gnatg, the compiler gives a warning instead of
+ -- an error, so we can turn it off.
+ -- To fix this, remove the pragmas Warnings above, and use the following
+ -- code. We can't do that yet, because AI-318 is not yet implemented.
+ --
+ -- return Result : Ada.Exceptions.Exception_Occurrence do
+ -- if EOA = null then
+ -- Ada.Exceptions.Save_Occurrence
+ -- (Target => Result,
+ -- Source => Ada.Exceptions.Null_Occurrence);
+ -- else
+ -- Ada.Exceptions.Save_Occurrence
+ -- (Target => Result,
+ -- Source => EOA.all);
+ -- end if;
+ -- end return;
+ end Occurrence;
+
+ -----------------------
+ -- Occurrence_Access --
+ -----------------------
+
+ function Occurrence_Access
+ return Ada.Exceptions.Exception_Occurrence_Access
+ is
+ use Ada.Exceptions;
+
+ EOA : constant Exception_Occurrence_Access :=
+ System.Soft_Links.Get_Current_Excep.all;
+
+ begin
+ if EOA = null then
+ return null;
+
+ elsif Is_Null_Occurrence (EOA.all) then
+ return null;
+
+ else
+ return EOA;
+ end if;
+ end Occurrence_Access;
+
+end GNAT.Most_Recent_Exception;