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b811d2c2 | 1 | -- Copyright 2012-2020 Free Software Foundation, Inc. |
5ded5331 JB |
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 | ||
16 | with Pck; use Pck; | |
17 | ||
18 | procedure 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 | ||
45 | begin | |
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); | |
50 | end Foo; | |
51 |