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-- C87A05A.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 FUNCTION CALLS AND INDEXED COMPONENT EXPRESSIONS CAN BE 

-- DISTINGUISHED BY THE RULES OF OVERLOADING RESOLUTION.

--

-- PART 1 : CORRECT RESOLUTION IS INDEXED COMPONENT EXPRESSION

-- TRH  13 JULY 82

-- DSJ  09 JUNE 83

WITH REPORT; USE REPORT;

PROCEDURE C87A05A IS

     OK : BOOLEAN := TRUE;

     TYPE VECTOR IS ARRAY (1 .. 5) OF BOOLEAN;

     PROCEDURE P (ARG : BOOLEAN) IS          -- THIS IS CORRECT P

     BEGIN

          OK := ARG;

     END P;

     PROCEDURE P (ARG : CHARACTER) IS

     BEGIN

          OK := FALSE;

     END P;

     FUNCTION Y RETURN VECTOR IS             -- THIS IS CORRECT Y

     BEGIN

          RETURN (VECTOR'RANGE => TRUE);

     END Y;

     FUNCTION Y (ARG : INTEGER) RETURN FLOAT IS

     BEGIN

          OK := FALSE;

          RETURN 0.0;

     END Y;

     FUNCTION Y (ARG : CHARACTER) RETURN CHARACTER IS

     BEGIN

          OK := FALSE;

          RETURN 'A';

     END Y;

     FUNCTION Y (ARG : FLOAT) RETURN FLOAT IS

     BEGIN

          OK := FALSE;

          RETURN 0.0;

     END Y;

     FUNCTION Y RETURN BOOLEAN IS

     BEGIN

          OK := FALSE;

          RETURN FALSE;

     END Y;

     FUNCTION Y (ARG : CHARACTER := 'A') RETURN BOOLEAN IS

     BEGIN

          OK := FALSE;

          RETURN FALSE;

     END Y;

     FUNCTION Z RETURN INTEGER IS            -- THIS IS CORRECT Z

     BEGIN

          RETURN 3;

     END Z;

     FUNCTION Z RETURN FLOAT IS

     BEGIN

          OK := FALSE;

          RETURN 3.0;

     END Z;

BEGIN

     TEST ("C87A05A","OVERLOADING RESOLUTION FOR DISTINGUISHING " &

           "FUNCTION CALLS FROM INDEXED COMPONENTS WHERE INDEXED " &

           "COMPONENTS ARE CORRECT");

     P (Y (Z) );

     IF NOT OK THEN

          FAILED ("RESOLUTION INCORRECT");

     END IF;

     RESULT;

END C87A05A;