old-autovect-branch/gcc/testsuite/ada/acats/support/f390a00.a

   1 -- F390A00.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 -- FOUNDATION DESCRIPTION:
  27 --      This file declares the root type and primitive subprograms of an
  28 --      alert system abstraction, to be used for tests covering tagged
  29 --      types and type extensions.
  30 --
  31 -- CHANGE HISTORY:
  32 --      06 Dec 94   SAIC    ACVC 2.0
  33 --      04 Jun 96   SAIC    ACVC 2.1: Added pragma Elaborate for Ada.Calendar.
  34 --
  35 --!
  36
  37 with Ada.Calendar;
  38 pragma Elaborate (Ada.Calendar);
  39
  40 package F390A00 is  -- Alert system abstraction.
  41
  42
  43    -- Declarations used by component Display_On and procedure Display.
  44
  45    type Device_Enum      is (Null_Device, Teletype, Console, Big_Screen);
  46    type Display_Counters is array (Device_Enum) of Natural;
  47
  48    Display_Count_For : Display_Counters := (others => 0);
  49
  50
  51    -- Declarations used by component Arrival_Time.
  52
  53    Default_Time : constant Ada.Calendar.Time :=
  54                     Ada.Calendar.Time_Of (1901, 1, 1);
  55    Alert_Time   : constant Ada.Calendar.Time :=
  56                     Ada.Calendar.Time_Of (1991, 6, 15);
  57
  58
  59
  60    type Alert_Type is tagged record                   -- Root tagged type.
  61       Arrival_Time : Ada.Calendar.Time := Default_Time;
  62       Display_On   : Device_Enum   := Null_Device;
  63    end record;
  64
  65
  66    procedure Display (A : in Alert_Type);             -- To be inherited by
  67                                                       -- all derivatives.
  68
  69    procedure Handle (A : in out Alert_Type);          -- To be overridden by
  70                                                       -- all derivatives.
  71
  72 end F390A00;
  73
  74
  75      --==================================================================--
  76
  77
  78 package body F390A00 is  -- Alert system abstraction.
  79
  80
  81    procedure Display (A : in Alert_Type) is
  82    begin
  83       Display_Count_For (A.Display_On) := Display_Count_For (A.Display_On) + 1;
  84    end Display;
  85
  86
  87    procedure Handle (A : in out Alert_Type) is
  88    begin
  89       A.Arrival_Time := Alert_Time;
  90       Display (A);
  91    end Handle;
  92
  93
  94 end F390A00;