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-------------------------------------------------------------------------------
--- --
--- GNAT COMPILER COMPONENTS --
--- --
--- S Y S T E M . E X C E P T I O N S --
--- --
--- S p e c --
--- --
--- Copyright (C) 2006-2011, Free Software Foundation, Inc. --
--- --
--- 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 3, 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. --
--- --
--- As a special exception under Section 7 of GPL version 3, you are granted --
--- additional permissions described in the GCC Runtime Library Exception, --
--- version 3.1, as published by the Free Software Foundation. --
--- --
--- You should have received a copy of the GNU General Public License and --
--- a copy of the GCC Runtime Library Exception along with this program; --
--- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
--- <http://www.gnu.org/licenses/>. --
--- --
--- GNAT was originally developed by the GNAT team at New York University. --
--- Extensive contributions were provided by Ada Core Technologies Inc. --
--- --
-------------------------------------------------------------------------------
-
-pragma Compiler_Unit;
-
-package System.Exceptions is
-
- pragma Preelaborate_05;
- -- To let Ada.Exceptions "with" us and let us "with" Standard_Library
-
- ZCX_By_Default : constant Boolean;
- -- Visible copy to allow Ada.Exceptions to know the exception model.
-
-private
- type Require_Body;
- -- Dummy Taft-amendment type to make it legal (and required) to provide
- -- a body for this package.
- --
- -- We do this because this unit used to have a body in earlier versions
- -- of GNAT, and it causes various bootstrap path problems etc if we remove
- -- a body, since we may pick up old unwanted bodies.
- --
- -- Note: we use this standard Ada method of requiring a body rather
- -- than the cleaner pragma No_Body because System.Exceptions is a compiler
- -- unit, and older bootstrap compilers do not support pragma No_Body. This
- -- type can be removed, and s-except.adb can be replaced by a source
- -- containing just that pragma, when we decide to move to a 2008 compiler
- -- as the minimal bootstrap compiler version. ???
-
- ZCX_By_Default : constant Boolean := System.ZCX_By_Default;
-
- Foreign_Exception : exception;
- pragma Unreferenced (Foreign_Exception);
- -- This hidden exception is used to represent non-Ada exception to
- -- Ada handlers. It is in fact referenced by its linking name.
-
-end System.Exceptions;