-- F390A00.A -- -- Grant of Unlimited Rights -- -- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687, -- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained -- unlimited rights in the software and documentation contained herein. -- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making -- this public release, the Government intends to confer upon all -- recipients unlimited rights equal to those held by the Government. -- These rights include rights to use, duplicate, release or disclose the -- released technical data and computer software in whole or in part, in -- any manner and for any purpose whatsoever, and to have or permit others -- to do so. -- -- DISCLAIMER -- -- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR -- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED -- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE -- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE -- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A -- PARTICULAR PURPOSE OF SAID MATERIAL. --* -- -- FOUNDATION DESCRIPTION: -- This file declares the root type and primitive subprograms of an -- alert system abstraction, to be used for tests covering tagged -- types and type extensions. -- -- CHANGE HISTORY: -- 06 Dec 94 SAIC ACVC 2.0 -- 04 Jun 96 SAIC ACVC 2.1: Added pragma Elaborate for Ada.Calendar. -- --! with Ada.Calendar; pragma Elaborate (Ada.Calendar); package F390A00 is -- Alert system abstraction. -- Declarations used by component Display_On and procedure Display. type Device_Enum is (Null_Device, Teletype, Console, Big_Screen); type Display_Counters is array (Device_Enum) of Natural; Display_Count_For : Display_Counters := (others => 0); -- Declarations used by component Arrival_Time. Default_Time : constant Ada.Calendar.Time := Ada.Calendar.Time_Of (1901, 1, 1); Alert_Time : constant Ada.Calendar.Time := Ada.Calendar.Time_Of (1991, 6, 15); type Alert_Type is tagged record -- Root tagged type. Arrival_Time : Ada.Calendar.Time := Default_Time; Display_On : Device_Enum := Null_Device; end record; procedure Display (A : in Alert_Type); -- To be inherited by -- all derivatives. procedure Handle (A : in out Alert_Type); -- To be overridden by -- all derivatives. end F390A00; --==================================================================-- package body F390A00 is -- Alert system abstraction. procedure Display (A : in Alert_Type) is begin Display_Count_For (A.Display_On) := Display_Count_For (A.Display_On) + 1; end Display; procedure Handle (A : in out Alert_Type) is begin A.Arrival_Time := Alert_Time; Display (A); end Handle; end F390A00;