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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 ;