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-- FXC6A00.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 foundation declares various volatile and non-volatile types. Some
-- are by-reference types, and some allow pass-by-copy.
--
-- CHANGE HISTORY:
-- 23 Jan 96 SAIC Initial version for ACVC 2.1.
-- 02 DEC 97 EDS Removed Pragma Volatile applied to composite types.
-- 27 AUG 99 RLB Repaired so Nonvolatile_Tagged really is
-- Nonvolatile.
--!
package FXC6A00 is
type Roman is ('I', 'V', 'X', 'L', 'C', 'D', 'M'); -- By-copy type.
type Acc_Roman is access all Roman;
type Tagged_Type is tagged record -- By-reference type.
C: Natural;
end record;
type Volatile_Tagged is new Tagged_Type with record -- Volatile by-reference
R1: Roman; -- type.
end record;
pragma Volatile (Volatile_Tagged);
type Acc_Volatile_Tagged is access all Volatile_Tagged;
-- By-reference type.
type NonVolatile_Tagged is new Tagged_Type with record
R2: aliased Roman;
end record;
task type Task_Type is -- By-reference type.
entry Calculate (C: in out Natural);
end Task_Type;
type Acc_Task_Type is access all Task_Type;
protected type Protected_Type is -- By-reference type.
procedure Op;
private
Count : Natural := 0;
end Protected_Type;
protected type Volatile_Protected is -- Volatile by-reference
procedure Handler; -- type.
pragma Interrupt_Handler (Handler);
function Handled return Boolean;
private
Was_Handled : Boolean := False;
end Volatile_Protected;
pragma Volatile (Volatile_Protected);
type Acc_Vol_Protected is access all Volatile_Protected;
type Record_Type is record -- Allows pass-by-copy.
C: String(1 .. 2);
end record;
type Volatile_Record is limited record -- Volatile by-reference
C: String(1 .. 2); -- type.
end record;
pragma Volatile (Volatile_Record);
type Composite_Type is record -- By-reference type.
C: Tagged_Type;
D: aliased Volatile_Tagged; -- Volatile component.
end record;
type Private_Type is private; -- By-reference type.
type Array_Type is array (1..3) of Tagged_Type; -- By-reference type.
pragma Volatile_Components (Array_Type);
type Acc_Array_Type is access all Array_Type;
type Lim_Private_Type is limited private; -- By-copy type.
private
type Private_Type is new Tagged_Type with record
D: Character;
end record;
type Lim_Private_Type is new Integer;
end FXC6A00;
--==================================================================--
package body FXC6A00 is
task body Task_Type is
begin
accept Calculate (C: in out Natural) do
C := C * 10;
end Calculate;
end Task_Type;
protected body Protected_Type is
procedure Op is
begin
Count := Count + 1;
end Op;
end Protected_Type;
protected body Volatile_Protected is
procedure Handler is
begin
Was_Handled := True;
end Handler;
function Handled return Boolean is
begin
return Was_Handled;
end Handled;
end Volatile_Protected;
end FXC6A00;