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Diffstat (limited to 'gcc/ada/a-einuoc.adb')
| -rw-r--r-- | gcc/ada/a-einuoc.adb | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/gcc/ada/a-einuoc.adb b/gcc/ada/a-einuoc.adb new file mode 100644 index 000000000..f70eff0ed --- /dev/null +++ b/gcc/ada/a-einuoc.adb @@ -0,0 +1,48 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUN-TIME COMPONENTS -- +-- -- +-- A D A . E X C E P T I O N S . I S _ N U L L _ O C C U R R E N C E -- +-- -- +-- B o d y -- +-- -- +-- Copyright (C) 2000-2009, 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. -- +-- -- +------------------------------------------------------------------------------ + +--------------------------------------- +-- Ada.Exceptions.Is_Null_Occurrence -- +--------------------------------------- + +function Ada.Exceptions.Is_Null_Occurrence + (X : Exception_Occurrence) return Boolean +is +begin + -- The null exception is uniquely identified by the fact that the Id value + -- is null. No other exception occurrence can have a null Id. + + if X.Id = Null_Id then + return True; + else + return False; + end if; +end Ada.Exceptions.Is_Null_Occurrence; |