1 ------------------------------------------------------------------------------
3 -- GNAT RUN-TIME COMPONENTS --
5 -- 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 --
9 -- Copyright (C) 2000-2009, Free Software Foundation, Inc. --
11 -- GNAT is free software; you can redistribute it and/or modify it under --
12 -- terms of the GNU General Public License as published by the Free Soft- --
13 -- ware Foundation; either version 3, or (at your option) any later ver- --
14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
16 -- or FITNESS FOR A PARTICULAR PURPOSE. --
18 -- As a special exception under Section 7 of GPL version 3, you are granted --
19 -- additional permissions described in the GCC Runtime Library Exception, --
20 -- version 3.1, as published by the Free Software Foundation. --
22 -- You should have received a copy of the GNU General Public License and --
23 -- a copy of the GCC Runtime Library Exception along with this program; --
24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
25 -- <http://www.gnu.org/licenses/>. --
27 -- GNAT was originally developed by the GNAT team at New York University. --
28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
30 ------------------------------------------------------------------------------
32 -- This is a GNAT-specific child function of Ada.Exceptions. It provides
33 -- clearly missing functionality for its parent package, and most reasonably
34 -- would simply be an added function to that package, but this change cannot
35 -- be made in a conforming manner.
37 function Ada
.Exceptions
.Is_Null_Occurrence
38 (X
: Exception_Occurrence
) return Boolean;
39 pragma Preelaborate
(Ada
.Exceptions
.Is_Null_Occurrence
);
40 -- This function yields True if X is Null_Occurrence, and False otherwise