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jeremybenn |
------------------------------------------------------------------------------
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-- --
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-- GNAT LIBRARY COMPONENTS --
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-- --
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-- G N A T . M O S T _ R E C E N T _ E X C E P T I O N --
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-- --
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-- B o d y --
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-- --
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-- Copyright (C) 2000-2010, AdaCore --
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-- --
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-- GNAT is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 3, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. --
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-- --
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-- As a special exception under Section 7 of GPL version 3, you are granted --
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-- additional permissions described in the GCC Runtime Library Exception, --
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-- version 3.1, as published by the Free Software Foundation. --
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-- --
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-- You should have received a copy of the GNU General Public License and --
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-- a copy of the GCC Runtime Library Exception along with this program; --
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-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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-- <http://www.gnu.org/licenses/>. --
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-- --
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-- GNAT was originally developed by the GNAT team at New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc. --
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-- --
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------------------------------------------------------------------------------
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with Ada.Exceptions.Is_Null_Occurrence;
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with System.Soft_Links;
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package body GNAT.Most_Recent_Exception is
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----------------
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-- Occurrence --
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----------------
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function Occurrence return Ada.Exceptions.Exception_Occurrence is
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EOA : constant Ada.Exceptions.Exception_Occurrence_Access :=
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GNAT.Most_Recent_Exception.Occurrence_Access;
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use type Ada.Exceptions.Exception_Occurrence_Access;
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begin
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return Result : Ada.Exceptions.Exception_Occurrence do
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if EOA = null then
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Ada.Exceptions.Save_Occurrence
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(Target => Result,
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Source => Ada.Exceptions.Null_Occurrence);
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else
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Ada.Exceptions.Save_Occurrence
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(Target => Result,
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Source => EOA.all);
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end if;
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end return;
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end Occurrence;
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-----------------------
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-- Occurrence_Access --
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-----------------------
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function Occurrence_Access
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return Ada.Exceptions.Exception_Occurrence_Access
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is
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use Ada.Exceptions;
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EOA : constant Exception_Occurrence_Access :=
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System.Soft_Links.Get_Current_Excep.all;
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begin
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if EOA = null then
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return null;
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elsif Is_Null_Occurrence (EOA.all) then
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return null;
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else
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return EOA;
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end if;
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end Occurrence_Access;
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end GNAT.Most_Recent_Exception;
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