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-- C87B33A.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:

--

-- THE SHORT CIRCUIT CONTROL FORMS "AND THEN" AND "OR ELSE" ARE

-- DEFINED AS BINARY BOOLEAN OPERATORS WHICH RETURN A BOOLEAN VALUE

-- OF THE SAME TYPE AS THE OPERANDS.

-- TRH  13 SEPT 82

WITH REPORT; USE REPORT;

PROCEDURE C87B33A IS

     TYPE ON   IS NEW BOOLEAN RANGE TRUE  .. TRUE;

     TYPE OFF  IS NEW BOOLEAN RANGE FALSE .. FALSE;

     TYPE YES  IS NEW ON;

     TYPE NO   IS NEW OFF;

     TYPE BIT  IS NEW BOOLEAN;

     TYPE FLAG IS (PASS, FAIL);

     TYPE BOOLEAN IS (FALSE, TRUE);  -- STANDARD BOOLEAN HIDDEN.

     GENERIC

          TYPE T IS PRIVATE;

          ARG  : IN T;

          STAT : FLAG;

     FUNCTION F1 RETURN T;

     FUNCTION F1 RETURN T IS

     BEGIN

          IF STAT = FAIL THEN

               FAILED ("RESOLUTION INCORRECT FOR SHORT CIRCUIT " &

                       "CONTROL FORMS 'AND THEN' AND 'OR ELSE' ");

          END IF;

          RETURN ARG;

     END F1;

     FUNCTION A IS NEW F1 (BOOLEAN, TRUE,  FAIL);

     FUNCTION A IS NEW F1 (NO,      FALSE, PASS);

     FUNCTION A IS NEW F1 (ON,      TRUE,  FAIL);

     FUNCTION A IS NEW F1 (YES,     TRUE,  FAIL);

     FUNCTION B IS NEW F1 (BOOLEAN, TRUE,  FAIL);

     FUNCTION B IS NEW F1 (NO,      FALSE, FAIL);

     FUNCTION B IS NEW F1 (OFF,     FALSE, FAIL);

     FUNCTION B IS NEW F1 (BIT,     TRUE,  FAIL);

     FUNCTION C IS NEW F1 (BOOLEAN, FALSE, FAIL);

     FUNCTION C IS NEW F1 (YES,     TRUE,  PASS);

     FUNCTION C IS NEW F1 (ON,      TRUE,  FAIL);

     FUNCTION C IS NEW F1 (NO,      FALSE, FAIL);

     FUNCTION D IS NEW F1 (BOOLEAN, FALSE, FAIL);

     FUNCTION D IS NEW F1 (OFF,     FALSE, FAIL);

     FUNCTION D IS NEW F1 (YES,     TRUE,  FAIL);

     FUNCTION D IS NEW F1 (BIT,     TRUE,  FAIL);

     FUNCTION E IS NEW F1 (BOOLEAN, FALSE, FAIL);

     FUNCTION E IS NEW F1 (BIT,     TRUE,  PASS);

     FUNCTION E IS NEW F1 (YES,     TRUE,  FAIL);

     FUNCTION E IS NEW F1 (NO,      FALSE, FAIL);

     FUNCTION F IS NEW F1 (BOOLEAN, FALSE, FAIL);

     FUNCTION F IS NEW F1 (BIT,     TRUE,  PASS);

     FUNCTION F IS NEW F1 (ON,      TRUE,  FAIL);

     FUNCTION F IS NEW F1 (OFF,     FALSE, FAIL);

     FUNCTION G IS NEW F1 (BOOLEAN, TRUE,  FAIL);

     FUNCTION G IS NEW F1 (BIT,     FALSE, PASS);

     FUNCTION G IS NEW F1 (NO,      FALSE, FAIL);

     FUNCTION G IS NEW F1 (YES,     TRUE,  FAIL);

     FUNCTION H IS NEW F1 (BOOLEAN, TRUE,  FAIL);

     FUNCTION H IS NEW F1 (BIT,     FALSE, PASS);

     FUNCTION H IS NEW F1 (OFF,     FALSE, FAIL);

     FUNCTION H IS NEW F1 (ON,      TRUE,  FAIL);

BEGIN

     TEST ("C87B33A","OVERLOADED OPERANDS FOR SHORT CIRCUIT CONTROL " &

           "FORMS 'AND THEN' AND 'OR ELSE' ");

     IF (A AND THEN B)                        THEN

          FAILED ("RESOLUTION INCORRECT FOR SHORT CIRCUIT FORMS - A&B");

     END IF;

     IF NOT (C OR ELSE D) THEN

          FAILED ("RESOLUTION INCORRECT FOR SHORT CIRCUIT FORMS - C&D");

     END IF;

     IF NOT (E AND THEN F AND THEN E

          AND THEN F AND THEN E AND THEN F)   THEN

          FAILED ("RESOLUTION INCORRECT FOR SHORT CIRCUIT FORMS - E&F");

     END IF;

     IF (G OR ELSE H OR ELSE G

          OR ELSE H OR ELSE G OR ELSE H)      THEN

          FAILED ("RESOLUTION INCORRECT FOR SHORT CIRCUIT FORMS - G&H");

     END IF;

     RESULT;

END C87B33A;