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-- FC51C00.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 a hierarchy of tagged types, which includes
-- both abstract and non-abstract types, and which have both abstract
-- and non-abstract primitive subprograms.
--
-- CHANGE HISTORY:
-- 06 Dec 94 SAIC ACVC 2.0
-- 03 Nov 95 SAIC ACVC 2.0.1 fixes: Deleted primitive operation Proc
-- of Concrete_Root.
-- 11 Aug 96 SAIC ACVC 2.1: Changed procedure bodies to update
-- actual parameters.
--
--!
package FC51C00 is
--
-- Non-abstract ultimate ancestor type:
--
type Concrete_Root is tagged null record;
function Func (P: Concrete_Root) return Concrete_Root; -- Abstract when
-- inherited.
--
-- Abstract descendant of non-abstract ultimate ancestor:
--
type Abstract_Child is abstract new Concrete_Root with null record;
-- Inherits:
-- function Func (P: Abstract_Child) return Abstract_Child is abstract;
procedure Proc (P: in out Abstract_Child) is abstract; -- Abstract.
procedure New_Proc (P : out Abstract_Child) is abstract; -- Abstract.
--
-- Non-abstract descendant of abstract descendant:
--
type Concrete_GrandChild is new Abstract_Child with null record;
function Func (P: Concrete_GrandChild) return Concrete_GrandChild;
procedure Proc (P: in out Concrete_GrandChild);
procedure New_Proc (P : out Concrete_GrandChild);
end FC51C00;
--===================================================================--
package body FC51C00 is
Value : Concrete_GrandChild;
function Func (P: Concrete_Root) return Concrete_Root is
begin
return P;
end Func;
function Func (P: Concrete_GrandChild) return Concrete_GrandChild is
begin
return P;
end Func;
procedure Proc (P: in out Concrete_GrandChild) is
begin
P := Value;
end Proc;
procedure New_Proc (P : out Concrete_GrandChild) is
begin
P := Value;
end New_Proc;
end FC51C00;
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