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-- C97202A.ADA
-- 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.
--*
-- CHECK THAT THE INDEX IS EVALUATED BEFORE THE ENTRY PARAMETER AND BOTH
-- THE INDEX AND THE ENTRY PARAMETER ARE EVALUATED BEFORE THE RENDEZVOUS
-- IS ATTEMPED.
-- RM 4/05/82
-- TBN 2/3/86 ADDED A CHECK THAT INDEX IS EVALUATED BEFORE THE ENTRY
-- PARAMETER AND FIXED APPROPRIATE COMMENTS.
WITH REPORT; USE REPORT;
PROCEDURE C97202A IS
INDEX_COMPUTED : BOOLEAN := FALSE ;
FORMAL_COMPUTED : BOOLEAN := FALSE ;
BEGIN
TEST ("C97202A", "CHECK THAT THE INDEX IS EVALUATED BEFORE THE " &
"ENTRY PARAMETER AND BOTH INDEX AND THE ENTRY " &
"PARAMETER ARE EVALUATED BEFORE THE RENDEZVOUS " &
"IS ATTEMPTED");
DECLARE
SUBTYPE SHORT IS INTEGER RANGE 10..20 ;
TASK T IS
ENTRY DO_IT_NOW_ORELSE (SHORT)
(DID_YOU_DO_IT : IN BOOLEAN);
ENTRY KEEP_ALIVE ;
END T ;
TASK BODY T IS
BEGIN
ACCEPT KEEP_ALIVE ;
END T ;
FUNCTION F1 (X:INTEGER) RETURN INTEGER IS
BEGIN
IF FORMAL_COMPUTED THEN
FAILED ("INDEX WAS NOT EVALUATED FIRST");
END IF;
INDEX_COMPUTED := TRUE ;
RETURN (7) ;
END F1 ;
FUNCTION F2 (X:INTEGER) RETURN BOOLEAN IS
BEGIN
FORMAL_COMPUTED := TRUE ;
RETURN (FALSE) ;
END F2 ;
BEGIN
SELECT
T.DO_IT_NOW_ORELSE ( 6 + F1(7) )
( NOT(F2(7)) ) ;
ELSE
NULL ;
END SELECT;
T.KEEP_ALIVE ;
END; -- END OF BLOCK CONTAINING THE ENTRY CALLS.
IF INDEX_COMPUTED THEN
NULL ;
ELSE
FAILED( "ENTRY INDEX WAS NOT COMPUTED" );
END IF;
IF FORMAL_COMPUTED THEN
NULL ;
ELSE
FAILED( "ENTRY PARAMETER WAS NOT COMPUTED" );
END IF;
RESULT;
END C97202A ;
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