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-- C37210A.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 EXPRESSION IN A DISCRIMINANT ASSOCIATION WITH MORE 

-- THAN ONE NAME IS EVALUATED ONCE FOR EACH NAME.

-- R.WILLIAMS 8/28/86

WITH REPORT; USE REPORT;

PROCEDURE C37210A IS

     BUMP : INTEGER := IDENT_INT (0);

     FUNCTION F RETURN INTEGER IS

     BEGIN

          BUMP := BUMP + 1;

          RETURN BUMP;

     END F;

     FUNCTION CHECK (STR : STRING) RETURN INTEGER IS

     BEGIN

          IF BUMP /= 2 THEN

               FAILED ( "INCORRECT DISCRIMINANT VALUES FOR " & STR);

          END IF;

          BUMP := IDENT_INT (0);

          RETURN 5;

     END CHECK;

BEGIN

     TEST ( "C37210A", "CHECK THAT THE EXPRESSION IN A " &

                       "DISCRIMINANT ASSOCIATION WITH MORE THAN " &

                       "ONE NAME IS EVALUATED ONCE FOR EACH NAME" );

     DECLARE

          TYPE REC (D1, D2 : INTEGER) IS

               RECORD

                    NULL;

               END RECORD;

          R : REC (D1 | D2 => F);

          I1 : INTEGER := CHECK ( "R" );

          TYPE ACC IS ACCESS REC;

          AC : ACC (D1 | D2 => F);

          I2 : INTEGER := CHECK ( "AC" );

          PACKAGE PKG IS

               TYPE PRIV (D1, D2 : INTEGER) IS PRIVATE;

               TYPE PACC IS ACCESS PRIV;

               TYPE LIM (D1, D2 : INTEGER) IS LIMITED PRIVATE;

               TYPE LACC IS ACCESS LIM;

          PRIVATE

               TYPE PRIV (D1, D2 : INTEGER) IS

                    RECORD

                         NULL;

                    END RECORD;

               TYPE LIM (D1, D2 : INTEGER) IS

                    RECORD

                         NULL;

                    END RECORD;

          END PKG;

          USE PKG;

     BEGIN

          DECLARE

               P  : PRIV (D1 | D2 => F);

               I1 : INTEGER := CHECK ( "P" );

               PA : PACC (D1 | D2 => F);

               I2 : INTEGER := CHECK ( "PA" );

               L  : LIM (D1 | D2 => F);

               I3 : INTEGER := CHECK ( "L" );

               LA : LACC (D1 | D2 => F);

               I : INTEGER;

          BEGIN

               I := CHECK ( "LA" );

          END;

     END;

     RESULT;

END C37210A;