44 lines
1.6 KiB
Ada
44 lines
1.6 KiB
Ada
-- Copyright 2008-2015 Free Software Foundation, Inc.
|
|
--
|
|
-- This program is free software; you can redistribute it and/or modify
|
|
-- it under the terms of the GNU General Public License as published by
|
|
-- the Free Software Foundation; either version 3 of the License, or
|
|
-- (at your option) any later version.
|
|
--
|
|
-- This program is distributed in the hope that it will be useful,
|
|
-- but WITHOUT 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
|
|
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
with Pck; use Pck;
|
|
|
|
procedure Foo is
|
|
type String_Access is access String;
|
|
|
|
String_P : String_Access := new String'("Hello");
|
|
Null_String : String_Access := null;
|
|
|
|
-- Same situation, but constrained array.
|
|
type Little_Array is array (1 .. 10) of Integer;
|
|
type Little_Array_Ptr is access all Little_Array;
|
|
Arr_Ptr: Little_Array_Ptr :=
|
|
new Little_Array'(21, 22, 23, 24, 25, 26, 27, 28, 29, 30);
|
|
|
|
-- Same as above, but with a packed array.
|
|
type Small is range -64 .. 63;
|
|
for Small'Size use 7;
|
|
type Packed_Array is array (1..10) of Small;
|
|
pragma Pack (Packed_Array);
|
|
|
|
type Packed_Array_Ptr is access Packed_Array;
|
|
PA_Ptr : Packed_Array_Ptr
|
|
:= new Packed_Array'(10, 20, 30, 40, 50, 60, 62, 63, -23, 42);
|
|
begin
|
|
Do_Nothing (String_P'Address); -- STOP
|
|
Do_Nothing (Null_String'Address);
|
|
Do_Nothing (Arr_Ptr'Address);
|
|
Do_Nothing (PA_Ptr'Address);
|
|
end Foo;
|