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1 149 jeremybenn
-- CA13A01.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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-- OBJECTIVE:
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--      Check that subunits declared in non-generic child units of a public
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--      parent have the same visibility into its parent, its siblings
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--      (public and private), and packages on which its parent depends
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--      as is available at the point of their declaration.
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--
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-- TEST DESCRIPTION:
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--      Declare an check system procedure as a subunit in a private child
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--      package of the basic operation package (FA13A00.A).  This procedure
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--      has visibility into its parent ancestor and its private sibling.
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--
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--      Declare an emergency procedure as a subunit in a public child package
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--      of the basic operation package (FA13A00.A).  This procedure has
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--      visibility into its parent ancestor and its private sibling.
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--
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--      Declare an express procedure as a subunit in a public child subprogram
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--      of the basic operation package (FA13A00.A).  This procedure has
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--      visibility into its parent ancestor and its public sibling.
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--
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--      In the main program, "with"s the child package and subprogram.  Check
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--      that subunits perform as expected.
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--
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-- TEST FILES:
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--      The following files comprise this test:
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--
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--         FA13A00.A
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--         CA13A01.A
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--
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--
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-- CHANGE HISTORY:
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--      06 Dec 94   SAIC    ACVC 2.0
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--
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--!
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-- Private child package of an elevator application.  This package
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-- provides maintenance operations.
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private package FA13A00_1.CA13A01_4 is    -- Maintenance operation
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   One_Floor : Floor_No := 1;             -- Type declared in parent.
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   procedure Check_System;
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   -- other type definitions and procedure declarations in real application.
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end FA13A00_1.CA13A01_4;
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     --==================================================================--
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-- Context clauses required for visibility needed by separate subunit.
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with FA13A00_0;                           -- Building Manager
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with FA13A00_1.FA13A00_2;                 -- Floor Calculation (private)
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with FA13A00_1.FA13A00_3;                 -- Move Elevator
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use  FA13A00_0;
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package body FA13A00_1.CA13A01_4 is
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   procedure Check_System is separate;
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end FA13A00_1.CA13A01_4;
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     --==================================================================--
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separate (FA13A00_1.CA13A01_4)
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-- Subunit Check_System declared in Maintenance Operation.
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procedure Check_System is
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begin
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   -- See if regular power is on.
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   if Power /= V120 then                  -- Reference package with'ed by
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      TC_Operation := false;              -- the subunit parent's body.
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   end if;
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   -- Test elevator function.
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   FA13A00_1.FA13A00_3.Move_Elevator      -- Reference public sibling of
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     (Penthouse, Call_Waiting);           -- the subunit parent's body.
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   if not Call_Waiting (Penthouse) then   -- Reference private part of the
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      TC_Operation := false;              -- parent of the subunit package's
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                                          -- body.
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   end if;
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   FA13A00_1.FA13A00_2.Down (One_Floor);  -- Reference private sibling of
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                                          -- the subunit parent's body.
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   if Current_Floor /= Floor'pred (Penthouse) then
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      TC_Operation := false;              -- Reference type declared in the
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   end if;                                -- parent of the subunit parent's
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                                          -- body.
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end Check_System;
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     --==================================================================--
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-- Public child package of an elevator application.  This package provides
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-- an emergency operation.
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package FA13A00_1.CA13A01_5 is            -- Emergency Operation
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   -- Other type definitions in real application.
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   procedure Emergency;
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private
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   type Bell_Type is (Inactive, Active);
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end FA13A00_1.CA13A01_5;
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     --==================================================================--
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-- Context clauses required for visibility needed by separate subunit.
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with FA13A00_0;                           -- Building Manager
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with FA13A00_1.FA13A00_3;                 -- Move Elevator
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with FA13A00_1.CA13A01_4;                 -- Maintenance Operation (private)
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use  FA13A00_0;
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package body FA13A00_1.CA13A01_5 is
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   procedure Emergency is separate;
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end FA13A00_1.CA13A01_5;
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     --==================================================================--
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separate (FA13A00_1.CA13A01_5)
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-- Subunit Emergency declared in Maintenance Operation.
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procedure Emergency is
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   Bell : Bell_Type;                      -- Reference type declared in the
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                                          -- subunit parent's body.
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begin
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   -- Calls maintenance operation.
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   FA13A00_1.CA13A01_4.Check_System;      -- Reference private sibling of the
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                                          -- subunit parent 's body.
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   -- Clear all calls to the elevator.
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   Clear_Calls (Call_Waiting);            -- Reference subprogram declared
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                                          -- in the parent of the subunit
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                                          -- parent's body.
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   for I in Floor loop
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      if Call_Waiting (I) then            -- Reference private part of the
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        TC_Operation := false;            -- parent of the subunit parent's
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      end if;                             -- body.
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   end loop;
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   -- Move elevator to the basement.
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   FA13A00_1.FA13A00_3.Move_Elevator      -- Reference public sibling of the
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     (Basement, Call_Waiting);            -- subunit parent's body.
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   if Current_Floor /= Basement then      -- Reference type declared in the
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      TC_Operation := false;              -- parent of the subunit parent's
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   end if;                                -- body.
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   -- Shut off power.
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   Power := Off;                          -- Reference package with'ed by
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                                          -- the subunit parent's body.
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   -- Activate bell.
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   Bell := Active;                        -- Reference type declared in the
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                                          -- subunit parent's body.
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end Emergency;
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     --==================================================================--
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-- Public child subprogram of an elevator application.  This subprogram
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-- provides an express operation.
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procedure FA13A00_1.CA13A01_6;
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     --==================================================================--
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-- Context clauses required for visibility needed by separate subunit.
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with FA13A00_0;                           -- Building Manager
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with FA13A00_1.FA13A00_2;                 -- Floor Calculation (private)
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with FA13A00_1.FA13A00_3;                 -- Move Elevator
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use  FA13A00_0;
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procedure FA13A00_1.CA13A01_6 is          -- Express Operation
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   -- Other type definitions in real application.
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   procedure GoTo_Penthouse is separate;
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begin
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   GoTo_Penthouse;
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end FA13A00_1.CA13A01_6;
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     --==================================================================--
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separate (FA13A00_1.CA13A01_6)
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-- Subunit GoTo_Penthouse declared in Express Operation.
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243
procedure GoTo_Penthouse is
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begin
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   -- Go faster.
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   Power := V240;                         -- Reference package with'ed by
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                                          -- the subunit parent's body.
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   -- Call elevator.
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   Call (Penthouse, Call_Waiting);        -- Reference subprogram declared in
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                                          -- the parent of the subunit
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                                          -- parent's body.
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   if not Call_Waiting (Penthouse) then   -- Reference private part of the
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      TC_Operation := false;              -- parent of the subunit parent's
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   end if;                                -- body.
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   -- Move elevator to Penthouse.
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   FA13A00_1.FA13A00_3.Move_Elevator      -- Reference public sibling of the
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     (Penthouse, Call_Waiting);           -- subunit parent's body.
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   if Current_Floor /= Penthouse then     -- Reference type declared in the
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      TC_Operation := false;              -- parent of the subunit parent's
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   end if;                                -- body.
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   -- Return slowly
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   while Current_Floor /= Floor1 loop     -- Reference type, subprogram
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      FA13A00_1.FA13A00_2.Down (1);       -- declared in the parent of the
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                                          -- subunit parent's body.
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   end loop;
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   if Current_Floor /= Floor1 then        -- Reference type declared in
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      TC_Operation := false;              -- the parent of the subunit
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   end if;                                -- parent's body.
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   -- Back to normal.
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   Power := V120;                         -- Reference package with'ed by
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                                          -- the subunit parent's body.
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285
end GoTo_Penthouse;
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287
     --==================================================================--
288
 
289
with FA13A00_1.CA13A01_5;                 -- Emergency Operation
290
                                          -- implicitly with Basic Elevator
291
                                          -- Operations
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293
with FA13A00_1.CA13A01_6;                 -- Express Operation
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295
with Report;
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297
procedure CA13A01 is
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299
begin
300
 
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   Report.Test ("CA13A01", "Check that subunits declared in non-generic " &
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                "child units of a public parent have the same visibility " &
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                "into its parent, its parent's siblings, and packages on " &
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                "which its parent depends");
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306
   -- Go to Penthouse.
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   FA13A00_1.CA13A01_6;
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310
   -- Call emergency operation.
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312
   FA13A00_1.CA13A01_5.Emergency;
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   if not FA13A00_1.TC_Operation then
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      Report.Failed ("Incorrect elevator operation");
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   end if;
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   Report.Result;
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end CA13A01;

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