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-- CB4002A.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 EXCEPTIONS RAISED DURING ELABORATION OF THE

-- DECLARATIVE PART OF A SUBPROGRAM ARE PROPAGATED TO THE

-- CALLER, FOR CONSTRAINT_ERROR CAUSED BY INITIALIZATION,

-- AND CONSTRAINT ELABORATION, AND FOR FUNCTION EVALUATIONS

-- RAISING  CONSTRAINT_ERROR AND A PROGRAMMER-DEFINED EXCEPTION.

-- DAT 4/13/81

-- SPS 3/28/83

WITH REPORT; USE REPORT;

PROCEDURE CB4002A IS

BEGIN

     TEST("CB4002A", "EXCEPTIONS IN SUBPROGRAM DECLARATIVE_PARTS"

          & " ARE PROPAGATED TO CALLER");

     DECLARE

          SUBTYPE I5 IS INTEGER RANGE -5 .. 5;

          E : EXCEPTION;

          FUNCTION RAISE_IT (I : I5) RETURN INTEGER IS

               J : INTEGER RANGE 0 .. 1 := I;

          BEGIN

               IF I = 0 THEN

                    RAISE CONSTRAINT_ERROR;

               ELSIF I = 1 THEN

                    RAISE E;

               END IF;

               FAILED ("EXCEPTION NOT RAISED 0");

               RETURN J;

          EXCEPTION

               WHEN OTHERS =>

                    IF I NOT IN 0 .. 1 THEN

                         FAILED ("WRONG HANDLER 0");

                         RETURN 0;

                    ELSE

                         RAISE;

                    END IF;

          END RAISE_IT;

          PROCEDURE P1 (P : INTEGER) IS

               Q : INTEGER := RAISE_IT (P);

          BEGIN

               FAILED ("EXCEPTION NOT RAISED 1");

          EXCEPTION

               WHEN OTHERS =>

                    FAILED ("WRONG HANDLER 1");

          END P1;

          PROCEDURE P2 (P : INTEGER) IS

               Q : I5 RANGE 0 .. P := 1;

          BEGIN

               IF P = 0 OR P > 5 THEN

                    FAILED ("EXCEPTION NOT RAISED 2");

               END IF;

          END P2;

     BEGIN

          BEGIN

               P1(-1);

               FAILED ("EXCEPTION NOT RAISED 2A");

          EXCEPTION

               WHEN CONSTRAINT_ERROR => NULL;

          END;

          BEGIN

               P1(0);

               FAILED ("EXCEPTION NOT RAISED 3");

          EXCEPTION

               WHEN CONSTRAINT_ERROR => NULL;

          END;

          BEGIN

               P1(1);

               FAILED ("EXCEPTION NOT RAISED 4");

          EXCEPTION

               WHEN E => NULL;

          END;

          BEGIN

               P2(0);

               FAILED ("EXCEPTION NOT RAISED 5");

          EXCEPTION

               WHEN CONSTRAINT_ERROR => NULL;

          END;

          BEGIN

               P2(6);

               FAILED ("EXCEPTION NOT RAISED 6");

          EXCEPTION

               WHEN CONSTRAINT_ERROR => NULL;

          END;

     EXCEPTION

          WHEN OTHERS => FAILED ("WRONG EXCEPTION OR HANDLER");

     END;

     RESULT;

EXCEPTION

     WHEN OTHERS => FAILED ("WRONG HANDLER FOR SURE"); RESULT;

END CB4002A;