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-- CB4009A.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 A PROGRAMMER DEFINED EXCEPTION AND A REDECLARED

-- PREDEFINED EXCEPTION MAY BE PROPAGATED OUT OF SCOPE AND BACK IN,

-- WITH OUT-OF-SCOPE 'OTHERS' HANDLERS HANDLING THE EXCEPTION

-- INSTEAD OF OTHER HANDLERS. SEPARATELY COMPILED UNITS ARE NOT TESTED.

-- DAT 4/15/81

-- SPS 1/14/82

WITH REPORT; USE REPORT;

PROCEDURE CB4009A IS

     E : EXCEPTION;

     I : INTEGER := 0;

     PROCEDURE P1 (C : INTEGER);

     PROCEDURE P2 (C : INTEGER);

     PROCEDURE P3 (C : INTEGER);

     F : BOOLEAN := FALSE;

     T : CONSTANT BOOLEAN := TRUE;

     PROCEDURE P1 (C : INTEGER) IS

     BEGIN

          P3(C);

     EXCEPTION

          WHEN E => F := T;

          WHEN CONSTRAINT_ERROR => F := T;

          WHEN OTHERS => I := I + 1; RAISE;

     END P1;

     PROCEDURE P2 (C : INTEGER) IS

          E : EXCEPTION;

          CONSTRAINT_ERROR : EXCEPTION;

     BEGIN

          CASE C IS

               WHEN 0 => FAILED ("WRONG CASE");

               WHEN 1 => RAISE E;

               WHEN -1 => RAISE CONSTRAINT_ERROR;

               WHEN OTHERS => P1 (C - C/ABS(C));

          END CASE;

     EXCEPTION

          WHEN E =>

               I := I + 100; RAISE;

          WHEN CONSTRAINT_ERROR =>

               I := I + 101; RAISE;

          WHEN OTHERS =>

               F := T;

     END P2;

     PROCEDURE P3 (C : INTEGER) IS

     BEGIN

          P2(C);

     EXCEPTION

          WHEN E => F := T;

          WHEN CONSTRAINT_ERROR => F := T;

     END P3;

BEGIN

     TEST ("CB4009A", "EXCEPTIONS PROPAGATED OUT OF SCOPE");

     I := 0;

     BEGIN

          P3 (-2);

          FAILED ("EXCEPTION NOT RAISED 1");

     EXCEPTION

          WHEN OTHERS => NULL;

     END;

     IF I /= 203 THEN

          FAILED ("INCORRECT HANDLER SOMEWHERE 1");

     END IF;

     I := 0;

     BEGIN

          P3(3);

          FAILED ("EXCEPTION NOT RAISED 2");

     EXCEPTION

          WHEN OTHERS => NULL;

     END;

     IF I /= 302 THEN

          FAILED ("INCORRECT HANDLER SOMEWHERE 2");

     END IF;

     IF F = T THEN

          FAILED ("WRONG HANDLER SOMEWHERE");

     END IF;

     RESULT;

END CB4009A;