File : s-finroo.adb


     ------------------------------------------------------------------------------
     --                                                                          --
     --                         GNAT COMPILER COMPONENTS                         --
     --                                                                          --
   5 --                S Y S T E M . F I N A L I Z A T I O N _ R O O T           --
     --                                                                          --
     --                                 S p e c                                  --
     --                                                                          --
     --                            $Revision: 1.8 $
  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 
     package body System.Finalization_Root is
     
        --  It should not be possible to call any of these subprograms
     
  40    ------------
        -- Adjust --
        ------------
     
        procedure Adjust (Object : in out Root_Controlled) is
  45    begin
           raise Program_Error;
        end Adjust;
     
        --------------
  50    -- Finalize --
        --------------
     
        procedure Finalize (Object : in out Root_Controlled) is
        begin
  55       raise Program_Error;
        end Finalize;
     
        ----------------
        -- Initialize --
  60    ----------------
     
        procedure Initialize (Object : in out Root_Controlled) is
        begin
           raise Program_Error;
  65    end Initialize;
     
        ----------
        -- Read --
        ----------
  70 
        --  Read and Write must be empty in order to avoid copying the
        --  finalization pointers.
     
        pragma Warnings (Off);
  75    --  Suppress warning for out paramater Item which is not assigned
        --  because it is pretty much empty.
     
        procedure Read (Stream : access Ada.Streams.Root_Stream_Type'Class;
                        Item : out Root_Controlled)
  80    is
        begin
           null;
        end Read;
     
  85    -----------
        -- Write --
        -----------
     
        --  Read and Write must be empty in order to avoid copying the
  90    --  finalization pointers.
     
        procedure Write (Stream : access Ada.Streams.Root_Stream_Type'Class;
                         Item : in Root_Controlled)
        is
  95    begin
           null;
        end Write;
     
     end System.Finalization_Root;