1 ------------------------------------------------------------------------------
3 -- 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 --
9 -- Copyright (C) 1992-2011, Free Software Foundation, Inc. --
11 -- GNAT is free software; you can redistribute it and/or modify it under --
12 -- terms of the GNU General Public License as published by the Free Soft- --
13 -- ware Foundation; either version 3, or (at your option) any later ver- --
14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
16 -- or FITNESS FOR A PARTICULAR PURPOSE. --
18 -- As a special exception under Section 7 of GPL version 3, you are granted --
19 -- additional permissions described in the GCC Runtime Library Exception, --
20 -- version 3.1, as published by the Free Software Foundation. --
22 -- You should have received a copy of the GNU General Public License and --
23 -- a copy of the GCC Runtime Library Exception along with this program; --
24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
25 -- <http://www.gnu.org/licenses/>. --
27 -- GNAT was originally developed by the GNAT team at New York University. --
28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
30 ------------------------------------------------------------------------------
32 -- This unit provides the basic support for controlled (finalizable) types
36 package System.Finalization_Root is
39 -- The base for types Controlled and Limited_Controlled declared in Ada.
42 type Root_Controlled is tagged null record;
44 procedure Adjust (Object : in out Root_Controlled);
45 procedure Finalize (Object : in out Root_Controlled);
46 procedure Initialize (Object : in out Root_Controlled);
48 package Stream_Attributes is
50 (Stream : not null access Ada.Streams.Root_Stream_Type'Class;
51 Item : out Root_Controlled) is null;
54 (Stream : not null access Ada.Streams.Root_Stream_Type'Class;
55 Item : Root_Controlled) is null;
56 end Stream_Attributes;
58 for Root_Controlled'Read use Stream_Attributes.Read;
59 for Root_Controlled'Write use Stream_Attributes.Write;
60 end System.Finalization_Root;