gcc/ada/a-finali.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT RUN-TIME COMPONENTS                         --
   4 --                                                                          --
   5 --                     A D A . F I N A L I Z A T I O N                      --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --          Copyright (C) 1992-2007, Free Software Foundation, Inc.         --
  10 --                                                                          --
  11 -- This specification is derived from the Ada Reference Manual for use with --
  12 -- GNAT. The copyright notice above, and the license provisions that follow --
  13 -- apply solely to the  contents of the part following the private keyword. --
  14 --                                                                          --
  15 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  16 -- terms of the  GNU General Public License as published  by the Free Soft- --
  17 -- ware  Foundation;  either version 2,  or (at your option) any later ver- --
  18 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  19 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  20 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  21 -- for  more details.  You should have  received  a copy of the GNU General --
  22 -- Public License  distributed with GNAT;  see file COPYING.  If not, write --
  23 -- to  the  Free Software Foundation,  51  Franklin  Street,  Fifth  Floor, --
  24 -- Boston, MA 02110-1301, USA.                                              --
  25 --                                                                          --
  26 -- As a special exception,  if other files  instantiate  generics from this --
  27 -- unit, or you link  this unit with other files  to produce an executable, --
  28 -- this  unit  does not  by itself cause  the resulting  executable  to  be --
  29 -- covered  by the  GNU  General  Public  License.  This exception does not --
  30 -- however invalidate  any other reasons why  the executable file  might be --
  31 -- covered by the  GNU Public License.                                      --
  32 --                                                                          --
  33 -- GNAT was originally developed  by the GNAT team at  New York University. --
  34 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  35 --                                                                          --
  36 ------------------------------------------------------------------------------
  37
  38 pragma Warnings (Off);
  39 --  System.Finalization_Root does not have category Remote_Types, but we
  40 --  allow it anyway.
  41 with System.Finalization_Root;
  42 pragma Warnings (On);
  43
  44 package Ada.Finalization is
  45    pragma Preelaborate;
  46    pragma Remote_Types;
  47
  48    type Controlled is abstract tagged private;
  49    pragma Preelaborable_Initialization (Controlled);
  50
  51    procedure Initialize (Object : in out Controlled);
  52    procedure Adjust     (Object : in out Controlled);
  53    procedure Finalize   (Object : in out Controlled);
  54
  55    type Limited_Controlled is abstract tagged limited private;
  56    pragma Preelaborable_Initialization (Limited_Controlled);
  57
  58    procedure Initialize (Object : in out Limited_Controlled);
  59    procedure Finalize   (Object : in out Limited_Controlled);
  60
  61 private
  62    package SFR renames System.Finalization_Root;
  63
  64    type Controlled is abstract new SFR.Root_Controlled with null record;
  65
  66    function "=" (A, B : Controlled) return Boolean;
  67    --  Need to be defined explicitly because we don't want to compare the
  68    --  hidden pointers
  69
  70    type Limited_Controlled is
  71      abstract new SFR.Root_Controlled with null record;
  72
  73 end Ada.Finalization;