diff options
Diffstat (limited to 'gcc-4.2.1/gcc/ada/a-einuoc.adb')
| -rw-r--r-- | gcc-4.2.1/gcc/ada/a-einuoc.adb | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/gcc-4.2.1/gcc/ada/a-einuoc.adb b/gcc-4.2.1/gcc/ada/a-einuoc.adb new file mode 100644 index 000000000..0118b1102 --- /dev/null +++ b/gcc-4.2.1/gcc/ada/a-einuoc.adb @@ -0,0 +1,52 @@ +------------------------------------------------------------------------------ +-- -- +-- 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 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 2, 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. See the GNU General Public License -- +-- for more details. You should have received a copy of the GNU General -- +-- Public License distributed with GNAT; see file COPYING. If not, write -- +-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, -- +-- Boston, MA 02110-1301, USA. -- +-- -- +-- As a special exception, if other files instantiate generics from this -- +-- unit, or you link this unit with other files to produce an executable, -- +-- this unit does not by itself cause the resulting executable to be -- +-- covered by the GNU General Public License. This exception does not -- +-- however invalidate any other reasons why the executable file might be -- +-- covered by the GNU Public License. -- +-- -- +-- GNAT was originally developed by the GNAT team at New York University. -- +-- Extensive contributions were provided by Ada Core Technologies Inc. -- +-- -- +------------------------------------------------------------------------------ + +-- This is a GNAT-specific child function of Ada.Exceptions. It provides +-- clearly missing functionality for its parent package, and most reasonably +-- would simply be an added function to that package, but this change cannot +-- be made in a conforming manner. + +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; |