1--  Copyright 2012-2020 Free Software Foundation, Inc.
2--
3--  This program is free software; you can redistribute it and/or modify
4--  it under the terms of the GNU General Public License as published by
5--  the Free Software Foundation; either version 3 of the License, or
6--  (at your option) any later version.
7--
8--  This program is distributed in the hope that it will be useful,
9--  but WITHOUT ANY WARRANTY; without even the implied warranty of
10--  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11--  GNU General Public License for more details.
12--
13--  You should have received a copy of the GNU General Public License
14--  along with this program.  If not, see <http://www.gnu.org/licenses/>.
15
16with Pck; use Pck;
17
18procedure Foo is
19
20   type Table is array (Positive range <>) of Integer;
21   type Table_Access is access Table;
22
23   type Object (N : Integer) is record
24       Ptr  : Table_Access;
25       Data : Table (1 .. N);
26   end record;
27
28   My_Object : Object := (N => 3, Ptr => null, Data => (3, 5, 8));
29
30   --  Same as above, but with a pointer to an unconstrained packed array.
31
32   type Byte is range 0 .. 255;
33
34   type P_Table is array (Positive range <>) of Byte;
35   pragma Pack (P_Table);
36   type P_Table_Access is access P_Table;
37
38   type P_Object (N : Integer) is record
39       Ptr  : P_Table_Access;
40       Data : P_Table (1 .. N);
41   end record;
42
43   My_P_Object : P_Object := (N => 3, Ptr => null, Data => (3, 5, 8));
44
45begin
46   My_Object.Ptr := new Table'(13, 21, 34);    -- STOP1
47   My_P_Object.Ptr := new P_Table'(13, 21, 34);
48   Do_Nothing (My_Object'Address);             -- STOP2
49   Do_Nothing (My_P_Object'Address);
50end Foo;
51
52