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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;