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1 706 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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