1-- CC3016I.ADA
2
3--                             Grant of Unlimited Rights
4--
5--     Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
6--     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
7--     unlimited rights in the software and documentation contained herein.
8--     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making
9--     this public release, the Government intends to confer upon all
10--     recipients unlimited rights  equal to those held by the Government.
11--     These rights include rights to use, duplicate, release or disclose the
12--     released technical data and computer software in whole or in part, in
13--     any manner and for any purpose whatsoever, and to have or permit others
14--     to do so.
15--
16--                                    DISCLAIMER
17--
18--     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
19--     DISCLOSED ARE AS IS.  THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
20--     WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
21--     SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
22--     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
23--     PARTICULAR PURPOSE OF SAID MATERIAL.
24--*
25-- OBJECTIVE:
26--   CHECK THAT AN INSTANTIATED PACKAGE HAS THE PROPERTIES REQUIRED
27--   OF A PACKAGE.
28
29--   CHECK THAT IF THE DESIGNATED TYPE OF AN ACCESS TYPE IS A GENERIC
30--   FORMAL TYPE, OR IS A TYPE DERIVED DIRECTLY OR INDIRECTLY FROM A
31--   GENERIC FORMAL TYPE, THE OPERATIONS DECLARED FOR THE ACCESS TYPE
32--   IN THE TEMPLATE ARE DETERMINED BY THE DECLARATION OF THE FORMAL
33--   TYPE.  THE OPERATIONS DECLARED FOR ACCESS TYPE IN THE INSTANCE
34--   ARE DETERMINED BY THE ACTUAL TYPE DENOTED BY THE FORMAL PARAMETER.
35--   SEE AI-00398.
36
37-- HISTORY:
38--   DAS  8 OCT 90   INITIAL VERSION.
39
40
41WITH REPORT; USE REPORT;
42
43PROCEDURE CC3016I IS
44BEGIN
45     TEST("CC3016I", "CHECK THAT AN INSTANTIATED PACKAGE HAS THE " &
46          "PROPERTIES REQUIRED OF A PACKAGE.");
47
48EXAMPLE_5A:
49     DECLARE
50          GENERIC
51               TYPE T5A (D : POSITIVE) IS PRIVATE;
52          PACKAGE GP5A IS
53               TYPE NT5A IS NEW T5A;
54               X : NT5A (D => 5);
55               Y : POSITIVE := X.D;  -- REFERS TO DISCRIMINANT OF NT5A
56          END GP5A;
57
58          TYPE REC (A : POSITIVE) IS
59               RECORD
60                    D : POSITIVE := 7;
61               END RECORD;
62          PACKAGE P5A IS NEW GP5A (T5A => REC);
63               -- P5A.Y INITIALIZED WITH VALUE USING COMPONENT SELECTION
64               -- OPERATION FOR THE DISCRIMINANT, I.E. FOR PARENT TYPE
65               -- T5A WHICH DENOTES REC.
66
67          W1 : POSITIVE := P5A.X.D;    -- VALUE IS 7
68          W2 : POSITIVE := P5A.X.A;    -- VALUE IS 5
69          W3 : POSITIVE := P5A.Y;      -- VALUE IS 5;
70     BEGIN
71          IF ( ( W1 /= 7 ) OR ( W2 /= 5 ) OR  (W3 /= 5 ) ) THEN
72               FAILED ("INCORRECT COMPONENT SELECTION - ACCESS");
73          END IF;
74     END EXAMPLE_5A;
75
76     RESULT;
77
78END CC3016I;
79