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[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc2/] [gcc/] [testsuite/] [ada/] [acats/] [support/] [f730a000.a] - Rev 294
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-- F730A000.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 simulates a generic linked list abstraction for use in tests
-- covering tagged types and type extensions.
--
-- TEST FILES:
-- This foundation consists of the following files:
--
-- => F730A000.A
-- F730A001.A
--
-- CHANGE HISTORY:
-- 06 Dec 94 SAIC ACVC 2.0
-- 03 Aug 96 SAIC ACVC 2.1: Modified prologue. Added pragma
-- Elaborate_Body. Removed extraneous record
-- extension.
--
--!
generic -- Singly-linked list abstraction.
type Parent_Type is tagged private; -- Actual is parent
package F730A000 is -- tagged type.
pragma Elaborate_Body;
-- Declarations for private linked list nodes:
type Priv_Node_Type is new Parent_Type with private; -- Private extension
-- of parent type.
-- Inherits primitive operations of actual parameter corresponding
-- to Parent_Type.
type Priv_Node_Ptr is access Priv_Node_Type;
-- Add node at head of list.
procedure Add (Item : in Priv_Node_Ptr;
Head : in out Priv_Node_Ptr);
-- Remove node from head of list and return it.
procedure Remove (Head : in out Priv_Node_Ptr;
Item : out Priv_Node_Ptr);
private
type Priv_Node_Type is new Parent_Type with record
Next : Priv_Node_Ptr := null;
end record;
end F730A000;
--==================================================================--
package body F730A000 is -- Singly-linked list abstraction.
procedure Add (Item : in Priv_Node_Ptr;
Head : in out Priv_Node_Ptr) is
begin
if Item /= null then
Item.Next := Head;
Head := Item;
end if;
end Add;
procedure Remove (Head : in out Priv_Node_Ptr;
Item : out Priv_Node_Ptr) is
begin
Item := Head;
if Head /= null then
Head := Head.Next;
end if;
end Remove;
end F730A000;
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