1-- C390A020.A
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--
26-- OBJECTIVE:
27--      See C390A022.AM.
28--
29-- TEST DESCRIPTION:
30--      See C390A022.AM.
31--
32-- TEST FILES:
33--      This test consists of the following files:
34--
35--         F390A00.A
36--      => C390A020.A
37--         C390A021.A
38--         C390A022.AM
39--
40--
41-- CHANGE HISTORY:
42--      06 Dec 94   SAIC    ACVC 2.0
43--      04 Jun 96   SAIC    ACVC 2.1: Modified prologue.
44--
45--!
46
47with F390A00;  -- Alert system abstraction.
48package C390A020 is
49
50
51   type Low_Alert_Type is new F390A00.Alert_Type with record
52      Level : Integer := 0;                             -- Record extension of
53   end record;                                          -- root tagged type.
54
55   -- Inherits procedure Display from Alert_Type.
56
57   procedure Handle (LA : in out Low_Alert_Type);       -- Override parent's
58                                                        -- primitive subprog.
59
60   function Level_Of (LA : in Low_Alert_Type)           -- To be inherited by
61     return Integer;                                    -- all derivatives.
62
63
64end C390A020;
65
66
67     --==================================================================--
68
69
70package body C390A020 is
71
72   use F390A00;  -- Alert system abstraction.
73
74
75   function Level_Of (LA : in Low_Alert_Type) return Integer is
76   begin
77      return (LA.Level + 1);
78   end Level_Of;
79
80
81   procedure Handle (LA : in out Low_Alert_Type) is
82   begin
83      Handle (Alert_Type (LA));   -- Call parent's oper. (type conversion).
84      LA.Level := Level_Of (LA);  -- Call newly declared operation.
85      LA.Display_On := Teletype;
86      Display (LA);               -- Call inherited operation.
87   end Handle;
88
89
90end C390A020;
91