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1 294 jeremybenn
-- C97113A.ADA
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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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-- CHECK THAT ALL CONDITIONS, OPEN DELAY ALTERNATIVE EXPRESSIONS, AND
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--   OPEN ENTRY FAMILY INDICES ARE EVALUATED (EVEN WHEN SOME (PERHAPS
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--   ALL BUT ONE) OF THE ALTERNATIVES CAN BE RULED OUT WITHOUT
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--   COMPLETING THE EVALUATIONS).
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-- RM 5/06/82
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-- SPS 11/21/82
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-- WRG 7/9/86    ADDED DELAY EXPRESSIONS AND ENTRY FAMILY INDICES.
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with Impdef;
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WITH REPORT; USE REPORT;
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PROCEDURE C97113A IS
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     EXPR1_EVALUATED : BOOLEAN := FALSE;
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     EXPR2_EVALUATED : BOOLEAN := FALSE;
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     EXPR3_EVALUATED : BOOLEAN := FALSE;
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     FUNCTION F1 RETURN BOOLEAN IS
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     BEGIN
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          EXPR1_EVALUATED := TRUE;
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          RETURN TRUE;
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     END F1;
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     FUNCTION F2 (X : INTEGER) RETURN INTEGER IS
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     BEGIN
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          EXPR2_EVALUATED := TRUE;
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          RETURN X;
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     END F2;
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     FUNCTION F3 (X : DURATION) RETURN DURATION IS
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     BEGIN
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          EXPR3_EVALUATED := TRUE;
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          RETURN X;
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     END F3;
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BEGIN
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     TEST ("C97113A", "CHECK THAT ALL CONDITIONS, OPEN DELAY " &
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                      "ALTERNATIVE EXPRESSIONS, AND OPEN ENTRY " &
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                      "FAMILY INDICES ARE EVALUATED");
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     DECLARE
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          TASK T IS
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               ENTRY E1;
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               ENTRY E2;
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               ENTRY E3 (1..1);
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          END T;
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          TASK BODY T IS
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          BEGIN
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               --ENSURE THAT E1 HAS BEEN CALLED BEFORE PROCEEDING:
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               WHILE E1'COUNT = 0 LOOP
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                    DELAY 1.0 * Impdef.One_Second;
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               END LOOP;
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               SELECT
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                    ACCEPT E1;
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               OR
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                    WHEN F1 =>
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                         ACCEPT E2;
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               OR
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                    ACCEPT E3 ( F2(1) );
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               OR
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                    DELAY F3 ( 1.0 ) * Impdef.One_Second;
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               END SELECT;
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          END T;
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     BEGIN
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          T.E1;
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     END;
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     IF NOT EXPR1_EVALUATED THEN
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          FAILED ("GUARD NOT EVALUATED");
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     END IF;
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     IF NOT EXPR2_EVALUATED THEN
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          FAILED ("ENTRY FAMILY INDEX NOT EVALUATED");
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     END IF;
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     IF NOT EXPR3_EVALUATED THEN
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          FAILED ("OPEN DELAY ALTERNATIVE EXPRESSION NOT EVALUATED");
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     END IF;
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     RESULT;
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END C97113A;

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