------------------------------------------------------------------------------ -- -- -- 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;