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-- C87B07C.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 OVERLOADING RESOLUTION USES THE RULE THAT:

--

-- FOR THE ATTRIBUTE OF THE FORM T'VALUE (X), THE OPERAND X MUST 

-- BE OF THE PREDEFINED TYPE STRING. THE RESULT IS OF TYPE T.

-- TRH  13 SEPT 82

-- PWN 01/31/95  REMOVED INCONSISTENCIES WITH ADA 9X.

WITH REPORT; USE REPORT;

PROCEDURE C87B07C IS

     TYPE CHAR IS NEW CHARACTER;

     TYPE LITS IS (' ', '+', '1');

     TYPE WORD IS ARRAY (POSITIVE RANGE 1..4) OF CHARACTER;

     TYPE LINE IS ARRAY (POSITIVE RANGE 1..4) OF CHAR;

     TYPE LIST IS ARRAY (POSITIVE RANGE 1..4) OF LITS;

     TYPE STR  IS ARRAY (POSITIVE RANGE 1..4) OF STRING (1 .. 1);

     TYPE STR2 IS NEW STRING (1..4);

     TYPE FLAG IS (PASS, FAIL);

     SUBTYPE MY_STRING IS STRING (1..4);

     GENERIC

          TYPE T IS PRIVATE;

          ARG  : IN T;

          STAT : IN FLAG;

     FUNCTION F1 RETURN T;

     FUNCTION F1 RETURN T IS

     BEGIN

          IF STAT = FAIL THEN

               FAILED ("THE 'VALUE' ATTRIBUTE TAKES AN OPERAND" &

                       " OF THE TYPE PREDEFINED STRING");

          END IF;

          RETURN ARG;

     END F1;

     FUNCTION F IS NEW F1 (STR2,   " +1 ",               FAIL);

     FUNCTION F IS NEW F1 (LIST,   " +1 ",               FAIL);

     FUNCTION F IS NEW F1 (WORD,   (' ', '+', '1', ' '), FAIL);

     FUNCTION F IS NEW F1 (STR,    (" ", "+", "1", " "), FAIL);

     FUNCTION F IS NEW F1 (LINE,   (' ', '+', '1', ' '), FAIL);

     FUNCTION F IS NEW F1 (MY_STRING, " +1 ",               PASS);

BEGIN

     TEST ("C87B07C","OVERLOADED OPERANDS TO THE 'VALUE' ATTRIBUTE");

     DECLARE

          TYPE INT IS NEW INTEGER;

          FUNCTION "-" (X : INT) RETURN INT

               RENAMES "+";

     BEGIN

          IF INT'VALUE (F) /= -1 THEN

               FAILED ("THE ATTRIBUTE T'VALUE MUST RETURN A VALUE" &

                       " OF TYPE T");

          END IF;

     END;

     RESULT;

END C87B07C;