1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- S Y S T E M . C H E C K E D _ P O O L S --
-- --
-- S p e c --
-- --
-- Copyright (C) 1992-2006, 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, 51 Franklin Street, Fifth Floor, --
-- Boston, MA 02110-1301, 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. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
with System.Storage_Elements;
with System.Storage_Pools;
package System.Checked_Pools is
type Checked_Pool is abstract
new System.Storage_Pools.Root_Storage_Pool with private;
-- Equivalent of storage pools with the addition that Dereference is
-- called on each implicit or explicit dereference of a pointer which
-- has such a storage pool
procedure Dereference
(Pool : in out Checked_Pool;
Storage_Address : Address;
Size_In_Storage_Elements : System.Storage_Elements.Storage_Count;
Alignment : System.Storage_Elements.Storage_Count)
is abstract;
-- Called implicitly each time a pointer to a checked pool is dereferenced
-- All parameters in the profile are compatible with the profile of
-- Allocate/Deallocate: the Storage_Address corresponds to the address of
-- the dereferenced object, Size_in_Storage_Elements is its dynamic size
-- (and thus may involve an implicit dispatching call to size) and
-- Alignment is the alignment of the object.
private
type Checked_Pool is abstract
new System.Storage_Pools.Root_Storage_Pool with null record;
end System.Checked_Pools;
|