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-- C97302A.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 WHENEVER AN INDEX IS PRESENT IN A TIMED_ENTRY_CALL, IT
-- IS EVALUATED BEFORE ANY PARAMETER ASSOCIATIONS ARE EVALUATED, AND
-- PARAMETER ASSOCIATIONS ARE EVALUATED BEFORE THE DELAY EXPRESSION.
-- THEN A RENDEZVOUS IS ATTEMPTED.
-- RJW 3/31/86
with Impdef;
WITH REPORT; USE REPORT;
WITH CALENDAR; USE CALENDAR;
PROCEDURE C97302A IS
INDEX_COMPUTED : BOOLEAN := FALSE;
PARAM_COMPUTED : BOOLEAN := FALSE;
DELAY_COMPUTED : BOOLEAN := FALSE;
BEGIN
TEST ("C97302A", "CHECK THAT WHENEVER AN INDEX IS PRESENT IN " &
"A TIMED_ENTRY_CALL, IT IS EVALUATED BEFORE " &
"ANY PARAMETER ASSOCIATIONS ARE EVALUATED, " &
"AND PARAMETER ASSOCIATIONS ARE EVALUATED " &
"BEFORE THE DELAY EXPRESSION" );
DECLARE
WAIT_TIME : DURATION := 3.0 * Impdef.One_Second;
TYPE SHORT IS RANGE 10 .. 20;
TASK T IS
ENTRY DO_IT_NOW_OR_WAIT
( 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 : SHORT) RETURN SHORT IS
BEGIN
INDEX_COMPUTED := TRUE;
RETURN (15);
END F1;
FUNCTION F2 RETURN BOOLEAN IS
BEGIN
IF INDEX_COMPUTED THEN
NULL;
ELSE
FAILED ( "INDEX NOT EVALUATED FIRST" );
END IF;
PARAM_COMPUTED := TRUE;
RETURN (FALSE);
END F2;
FUNCTION F3 RETURN DURATION IS
BEGIN
IF PARAM_COMPUTED THEN
NULL;
ELSE
FAILED ( "PARAMETERS NOT EVALUATED BEFORE DELAY " &
"EXPRESSION" );
END IF;
DELAY_COMPUTED := TRUE;
RETURN (WAIT_TIME);
END;
BEGIN
SELECT
T.DO_IT_NOW_OR_WAIT
( F1 (15) )
( NOT F2 );
FAILED ("RENDEZVOUS OCCURRED");
OR
DELAY F3;
END SELECT;
T.KEEP_ALIVE;
END; -- END OF BLOCK CONTAINING THE ENTRY CALLS.
IF DELAY_COMPUTED THEN
NULL;
ELSE
FAILED( "DELAY EXPRESSION NOT EVALUATED" );
END IF;
RESULT;
END C97302A;
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