gdb/testsuite/gdb.ada/array_of_variant/p.adb

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   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.
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   8 --  This program is distributed in the hope that it will be useful,
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  10 --  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 --  GNU General Public License for more details.
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  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 P is
  19
  20    type Tag_T is (Unused, Object);
  21
  22    type Array_T is array (1 .. Five) of Integer;
  23
  24    type Payload_T (Tag : Tag_T := Unused) is
  25       record
  26          case Tag is
  27             when Object =>
  28                Values : Array_T := (others => 1);
  29             when Unused =>
  30                null;
  31          end case;
  32       end record;
  33
  34    Objects : array (1 .. 2) of Payload_T;
  35
  36    type Another_Type (Tag : Tag_T := Unused) is
  37       record
  38          case Tag is
  39             when Unused =>
  40                CVal : Character;
  41             when Object =>
  42                IVal : Integer;
  43          end case;
  44       end record;
  45
  46    type Enclosing is record
  47       Initial : Integer;
  48       Rest : Another_Type;
  49    end record;
  50
  51    Another_Array : array (1 .. 2) of Enclosing
  52       := ((Initial => 0, Rest => (Tag => Unused, CVal => 'X')),
  53           (Initial => 0, Rest => (Tag => Object, IVal => 88)));
  54
  55 begin
  56    Objects (1) := (Tag => Object, Values => (others => 2));
  57    Do_Nothing (Objects'Address);  --  START
  58    Do_Nothing (Another_Array'Address);
  59 end P;