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Diffstat (limited to 'gcc-4.8.3/gcc/ada/s-except.ads')
| -rw-r--r-- | gcc-4.8.3/gcc/ada/s-except.ads | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/gcc-4.8.3/gcc/ada/s-except.ads b/gcc-4.8.3/gcc/ada/s-except.ads new file mode 100644 index 000000000..255ca8597 --- /dev/null +++ b/gcc-4.8.3/gcc/ada/s-except.ads @@ -0,0 +1,66 @@ +------------------------------------------------------------------------------ +-- -- +-- 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; |