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------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- S Y S T E M . L I S T _ F I N A L I Z A T I O N --
-- --
-- B o d y --
-- --
-- $Revision: 1.6 $ --
-- --
-- Copyright (C) 1992,1993,1994,1995,1996 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, 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. --
-- --
-- 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). --
-- --
------------------------------------------------------------------------------
with System.Finalization_Implementation;
package body Ada.Finalization.List_Controller is
package SFI renames System.Finalization_Implementation;
----------------
-- Initialize --
----------------
procedure Initialize (Object : in out List_Controller) is
begin
Object.F := Object.First'Unchecked_Access;
Object.First.Next := Object.Last 'Unchecked_Access;
Object.Last.Prev := Object.First'Unchecked_Access;
end Initialize;
--------------
-- Finalize --
--------------
procedure Finalize (Object : in out List_Controller) is
begin
Object.Last.Prev.Next := null;
SFI.Finalize_List (Object.First.Next);
-- For consistency in case of double finalization
Object.Last.Prev.Next := Object.Last 'Unchecked_Access;
Object.First.Next := Object.Last 'Unchecked_Access;
Object.Last.Prev := Object.First'Unchecked_Access;
end Finalize;
--------------
-- Finalize --
--------------
procedure Finalize (Object : in out Simple_List_Controller) is
begin
SFI.Finalize_List (Object.F);
Object.F := null;
end Finalize;
end Ada.Finalization.List_Controller;
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