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1 294 jeremybenn
-- FXC6A00.A
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--
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--                             Grant of Unlimited Rights
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--
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--     Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
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--     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
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--     unlimited rights in the software and documentation contained herein.
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--     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making
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--     this public release, the Government intends to confer upon all
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--     recipients unlimited rights  equal to those held by the Government.
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--     These rights include rights to use, duplicate, release or disclose the
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--     released technical data and computer software in whole or in part, in
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--     any manner and for any purpose whatsoever, and to have or permit others
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--     to do so.
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--
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--                                    DISCLAIMER
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--
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--     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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--     DISCLOSED ARE AS IS.  THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
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--     WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
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--     SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
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--     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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--     PARTICULAR PURPOSE OF SAID MATERIAL.
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--*
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--
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-- FOUNDATION DESCRIPTION:
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--     This foundation declares various volatile and non-volatile types. Some
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--     are by-reference types, and some allow pass-by-copy.
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--
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-- CHANGE HISTORY:
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--      23 Jan 96   SAIC    Initial version for ACVC 2.1.
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--      02 DEC 97   EDS     Removed Pragma Volatile applied to composite types.
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--      27 AUG 99   RLB     Repaired so Nonvolatile_Tagged really is
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--                          Nonvolatile.
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--!
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package FXC6A00 is
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   type Roman is ('I', 'V', 'X', 'L', 'C', 'D', 'M');  -- By-copy type.
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   type Acc_Roman is access all Roman;
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   type Tagged_Type is tagged record                   -- By-reference type.
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      C: Natural;
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   end record;
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   type Volatile_Tagged is new Tagged_Type with record -- Volatile by-reference
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      R1: Roman;                                       -- type.
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   end record;
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   pragma Volatile (Volatile_Tagged);
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   type Acc_Volatile_Tagged is access all Volatile_Tagged;
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                                                       -- By-reference type.
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   type NonVolatile_Tagged is new Tagged_Type with record
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      R2: aliased Roman;
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   end record;
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   task type Task_Type is                              -- By-reference type.
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      entry Calculate (C: in out Natural);
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   end Task_Type;
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   type Acc_Task_Type is access all Task_Type;
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   protected type Protected_Type is                    -- By-reference type.
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      procedure Op;
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   private
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      Count : Natural := 0;
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   end Protected_Type;
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   protected type Volatile_Protected is                -- Volatile by-reference
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      procedure Handler;                               -- type.
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      pragma Interrupt_Handler (Handler);
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      function Handled return Boolean;
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   private
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      Was_Handled : Boolean := False;
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   end Volatile_Protected;
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   pragma Volatile (Volatile_Protected);
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   type Acc_Vol_Protected is access all Volatile_Protected;
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   type Record_Type is record                          -- Allows pass-by-copy.
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      C: String(1 .. 2);
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   end record;
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   type Volatile_Record is limited record              -- Volatile by-reference
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      C: String(1 .. 2);                               -- type.
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   end record;
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   pragma Volatile (Volatile_Record);
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   type Composite_Type is record                       -- By-reference type.
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      C: Tagged_Type;
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      D: aliased Volatile_Tagged;                      -- Volatile component.
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   end record;
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   type Private_Type is private;                       -- By-reference type.
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   type Array_Type is array (1..3) of Tagged_Type;     -- By-reference type.
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   pragma Volatile_Components (Array_Type);
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   type Acc_Array_Type is access all Array_Type;
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   type Lim_Private_Type is limited private;           -- By-copy type.
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private
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   type Private_Type is new Tagged_Type with record
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      D: Character;
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   end record;
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   type Lim_Private_Type is new Integer;
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end FXC6A00;
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     --==================================================================--
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package body FXC6A00 is
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   task body Task_Type is
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   begin
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      accept Calculate (C: in out Natural) do
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         C := C * 10;
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      end Calculate;
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   end Task_Type;
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   protected body Protected_Type is
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      procedure Op is
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      begin
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         Count := Count + 1;
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      end Op;
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   end Protected_Type;
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   protected body Volatile_Protected is
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      procedure Handler is
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      begin
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         Was_Handled := True;
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      end Handler;
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      function Handled return Boolean is
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      begin
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         return Was_Handled;
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      end Handled;
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   end Volatile_Protected;
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end FXC6A00;

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