File : s-atacco.adb
------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
5 -- S Y S T E M . A D D R E S S _ T O _ A C C E S S _ C O N V E R S I O N S --
-- --
-- B o d y --
-- --
-- $Revision: 1.5 $
10 -- --
-- Copyright (C) 1992-2001 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- --
15 -- 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 --
20 -- 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 --
25 -- 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. --
30 -- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
-- --
------------------------------------------------------------------------------
35
with Unchecked_Conversion;
package body System.Address_To_Access_Conversions is
----------------
40 -- To_Address --
----------------
function To_Address (Value : Object_Pointer) return Address is
begin
45 if Value = null then
return Null_Address;
else
return Value.all'Address;
end if;
50 end To_Address;
----------------
-- To_Pointer --
----------------
55
function To_Pointer (Value : Address) return Object_Pointer is
function A_To_P is new Unchecked_Conversion (Address, Object_Pointer);
begin
60 return A_To_P (Value);
end To_Pointer;
end System.Address_To_Access_Conversions;