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-- C87B26B.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 'ADDRESS, 'CONSTRAINED, 'SIZE, AND 'STORAGE_SIZE MAY BE

-- USED WITH THE DESIGNATED OBJECTS OF ACCESS VALUES RETURNED FROM

-- OVERLOADED FUNCTIONS, AND THAT EXPLICIT DEREFERENCING IS USED BY

-- OVERLOADING RESOLUTION TO RESOLVE THE PREFIXES OF THE ATTRIBUTES.

-- DSJ 22 JUN 83

-- JBG 11/22/83

-- JBG 4/23/84

-- JBG 5/25/85

WITH REPORT;  WITH SYSTEM;

USE  REPORT;  USE  SYSTEM;

PROCEDURE C87B26B IS

     TYPE REC (D : INTEGER) IS

          RECORD

               C1, C2 : INTEGER;

          END RECORD;

     TYPE P_REC IS ACCESS REC;

     P_REC_OBJECT : P_REC := NEW REC'(1,1,1);

     TYPE BIG_INT IS RANGE 0..SYSTEM.MAX_INT;

     TASK TYPE TASK_TYPE IS

          -- NOTHING AT ALL

     END TASK_TYPE;

     TYPE P_TASK IS ACCESS TASK_TYPE;

     P_TASK_OBJECT : P_TASK;

     TASK BODY TASK_TYPE IS

     BEGIN

          NULL;

     END TASK_TYPE;

     ------------------------------------------------------------

     FUNCTION F RETURN REC IS

     BEGIN

          RETURN (0,0,0);

     END F;

     FUNCTION F RETURN P_REC IS

     BEGIN

          RETURN P_REC_OBJECT;

     END F;

     ------------------------------------------------------------

     FUNCTION G RETURN TASK_TYPE IS

          NEW_TASK : TASK_TYPE;

     BEGIN

          RETURN NEW_TASK;

     END G;

     FUNCTION G RETURN P_TASK IS

     BEGIN

          RETURN P_TASK_OBJECT;

     END G;

     ------------------------------------------------------------

BEGIN

     TEST("C87B26B","CHECK THAT EXPLICIT DEREFERENCING IN AN " &

          "ATTRIBUTE PREFIX IS USED IN OVERLOADING RESOLUTION " &

          "WITH 'ADDRESS, 'CONSTRAINED, 'SIZE, AND 'STORAGE_SIZE");

     DECLARE

          A : ADDRESS;   -- FOR 'ADDRESS OF RECORD

          B : BOOLEAN;   -- FOR 'CONSTRAINED OF RECORD

          C : INTEGER;   -- FOR 'SIZE OF RECORD

          D : ADDRESS;   -- FOR 'ADDRESS OF TASK

          E : BIG_INT;   -- FOR 'STORAGE_SIZE OF TASK

     BEGIN

          P_TASK_OBJECT := NEW TASK_TYPE;

          A := F.ALL'ADDRESS;

          B := F.ALL'CONSTRAINED;

          C := F.ALL'SIZE;

          D := G.ALL'ADDRESS;

          E := G.ALL'STORAGE_SIZE;

          IF A /= P_REC_OBJECT.ALL'ADDRESS THEN

               FAILED("INCORRECT RESOLUTION FOR 'ADDRESS - REC");

          END IF;

          IF B /= P_REC_OBJECT.ALL'CONSTRAINED THEN

               FAILED("INCORRECT RESOLUTION FOR 'CONSTRAINED");

          END IF;

          IF C /= P_REC_OBJECT.ALL'SIZE THEN

               FAILED("INCORRECT RESOLUTION FOR 'SIZE");

          END IF;

          IF D /= P_TASK_OBJECT.ALL'ADDRESS THEN

               FAILED("INCORRECT RESOLUTION FOR 'ADDRESS - TASK");

          END IF;

          IF E /= P_TASK_OBJECT.ALL'STORAGE_SIZE THEN

               FAILED("INCORRECT RESOLUTION FOR 'STORAGE_SIZE");

          END IF;

          IF A = P_REC_OBJECT'ADDRESS THEN

               FAILED("INCORRECT DEREFERENCING FOR 'ADDRESS - REC");

          END IF;

          IF C = P_REC_OBJECT'SIZE AND C /= P_REC_OBJECT.ALL'SIZE THEN

               FAILED("INCORRECT DEREFERENCING FOR 'SIZE");

          END IF;

          IF D = P_TASK_OBJECT'ADDRESS THEN

               FAILED("INCORRECT DEREFERENCING FOR 'ADDRESS - TASK");

          END IF;

     END;

     RESULT;

END C87B26B;