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-- C74401D.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 AN OUT PARAMETER HAVING A LIMITED TYPE IS ALLOWED FOR

-- FORMAL SUBPROGRAM PARAMETERS.  (ONLY THE CASE OF PRACTICAL INTEREST,

-- NAMELY, LIMITED PRIVATE TYPES, IS CHECKED HERE.)

-- CHECK THAT AN OUT PARAMETER IN A RENAMING DECLARATION CAN HAVE A

-- LIMITED PRIVATE TYPE WHEN IT RENAMES A GENERIC FORMAL SUBPROGRAM.

-- JBG 5/1/85

WITH REPORT; USE REPORT;

PROCEDURE C74401D IS

     PACKAGE P IS

          TYPE LP IS LIMITED PRIVATE;

          PROCEDURE P1 (X : OUT LP);

          PROCEDURE P2 (X : OUT LP);

          FUNCTION EQ (L, R : LP) RETURN BOOLEAN;

          VAL1 : CONSTANT LP;

          VAL2 : CONSTANT LP;

     PRIVATE

          TYPE LP IS NEW INTEGER;

          VAL1 : CONSTANT LP := LP(IDENT_INT(3));

          VAL2 : CONSTANT LP := LP(IDENT_INT(-3));

     END P;

     PACKAGE BODY P IS

          PROCEDURE P1 (X : OUT LP) IS

          BEGIN

               X := 3;

          END P1;

          PROCEDURE P2 (X : OUT LP) IS

          BEGIN

               X := -3;

          END P2;

          FUNCTION EQ (L, R : LP) RETURN BOOLEAN IS

          BEGIN

               RETURN L = R;

          END EQ;

     END P;

     GENERIC

          WITH PROCEDURE P3 (Y : OUT P.LP);

          TYPE GLP IS LIMITED PRIVATE;

          WITH PROCEDURE P4 (Y : OUT GLP);

          VAL_P3 : IN OUT P.LP;

          VAL_P4 : IN OUT GLP;

     PACKAGE GPACK IS

          PROCEDURE RENAMED (X : OUT GLP) RENAMES P4;   -- OK. RENAMING.

     END GPACK;

     PACKAGE BODY GPACK IS

     BEGIN

          P3 (VAL_P3);

          P4 (VAL_P4);

     END GPACK;

BEGIN

     TEST ("C74401D", "CHECK THAT GENERIC FORMAL SUBPROGRAMS CAN HAVE "&

                      "LIMITED PRIVATE OUT PARAMETERS");

     DECLARE

          VAR1 : P.LP;

          VAR2 : P.LP;

          PACKAGE PACK IS NEW GPACK (P.P1, P.LP, P.P2, VAR1, VAR2);

     BEGIN

          IF NOT P.EQ (VAR1, P.VAL1) THEN

               FAILED ("P1 INVOCATION INCORRECT");

          END IF;

          IF NOT P.EQ (VAR2, P.VAL2) THEN

               FAILED ("P2 INVOCATION INCORRECT");

          END IF;

          P.P1 (VAR2);        -- RESET VALUE OF VAR2.

          PACK.RENAMED (VAR2);

          IF NOT P.EQ (VAR2, P.VAL2) THEN

               FAILED ("RENAMED INVOCATION INCORRECT");

          END IF;

     END;

     RESULT;

END C74401D;