gcc/ada/a-filico.adb

   1 -----------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --                S Y S T E M . L I S T _ F I N A L I Z A T I O N           --
   6 --                                                                          --
   7 --                                B o d y                                   --
   8 --                                                                          --
   9 --                            $Revision: 1.9 $
  10 --                                                                          --
  11 --          Copyright (C) 1992-2001 Free Software Foundation, Inc.          --
  12 --                                                                          --
  13 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  14 -- 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- --
  16 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  17 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  18 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  19 -- 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 --
  21 -- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
  22 -- MA 02111-1307, USA.                                                      --
  23 --                                                                          --
  24 -- 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, --
  26 -- this  unit  does not  by itself cause  the resulting  executable  to  be --
  27 -- covered  by the  GNU  General  Public  License.  This exception does not --
  28 -- however invalidate  any other reasons why  the executable file  might be --
  29 -- covered by the  GNU Public License.                                      --
  30 --                                                                          --
  31 -- GNAT was originally developed  by the GNAT team at  New York University. --
  32 -- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
  33 --                                                                          --
  34 ------------------------------------------------------------------------------
  35
  36 with System.Finalization_Implementation;
  37 package body Ada.Finalization.List_Controller is
  38
  39    package SFI renames System.Finalization_Implementation;
  40
  41    --------------
  42    -- Finalize --
  43    --------------
  44
  45    procedure Finalize (Object : in out List_Controller) is
  46       use type SFR.Finalizable_Ptr;
  47
  48       Last_Ptr : constant SFR.Finalizable_Ptr := Object.Last'Unchecked_Access;
  49
  50    begin
  51       while Object.First.Next /= Last_Ptr loop
  52          SFI.Finalize_One (Object.First.Next.all);
  53       end loop;
  54    end Finalize;
  55
  56    procedure Finalize (Object : in out Simple_List_Controller) is
  57    begin
  58       SFI.Finalize_List (Object.F);
  59       Object.F := null;
  60    end Finalize;
  61
  62    ----------------
  63    -- Initialize --
  64    ----------------
  65
  66    procedure Initialize (Object : in out List_Controller) is
  67    begin
  68       Object.F          := Object.First'Unchecked_Access;
  69       Object.First.Next := Object.Last 'Unchecked_Access;
  70       Object.Last.Prev  := Object.First'Unchecked_Access;
  71    end Initialize;
  72
  73 end Ada.Finalization.List_Controller;