-- --
-- S p e c --
-- --
--- --
--- Copyright (C) 1996-1999 Free Software Foundation, Inc. --
+-- Copyright (C) 1996-2009, 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 2, or (at your option) any later ver- --
+-- 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. 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, 59 Temple Place - Suite 330, Boston, --
--- MA 02111-1307, 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. --
+-- 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. --
-- --
------------------------------------------------------------------------------
+-- This package implements the interface used to maintain a table of
+-- registered exception names, for the implementation of the mapping
+-- of names to exceptions (used for exception streams and attributes)
+
+pragma Compiler_Unit;
+
with System.Standard_Library;
package System.Exception_Table is
-pragma Elaborate_Body;
+ pragma Elaborate_Body;
package SSL renames System.Standard_Library;
procedure Register_Exception (X : SSL.Exception_Data_Ptr);
pragma Inline (Register_Exception);
- -- Register an exception in the hash table mapping
+ -- Register an exception in the hash table mapping. This function is
+ -- called during elaboration of library packages. For exceptions that
+ -- are declared within subprograms, the registration occurs the first
+ -- time that an exception is elaborated during a call of the subprogram.
+ --
+ -- Note: all calls to Register_Exception other than those to register the
+ -- predefined exceptions are suppressed if the application is compiled
+ -- with pragma Restrictions (No_Exception_Registration).
- function Internal_Exception (X : String) return SSL.Exception_Data_Ptr;
+ function Internal_Exception
+ (X : String;
+ Create_If_Not_Exist : Boolean := True) return SSL.Exception_Data_Ptr;
-- Given an exception_name X, returns a pointer to the actual internal
- -- exception data.
+ -- exception data. A new entry is created in the table if X does not
+ -- exist yet and Create_If_Not_Exist is True. If it is false and X
+ -- does not exist yet, null is returned.
+
+ function Registered_Exceptions_Count return Natural;
+ -- Return the number of currently registered exceptions
+
+ type Exception_Data_Array is array (Natural range <>)
+ of SSL.Exception_Data_Ptr;
+
+ procedure Get_Registered_Exceptions
+ (List : out Exception_Data_Array;
+ Last : out Integer);
+ -- Return the list of registered exceptions
end System.Exception_Table;
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