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-- C59002A.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 JUMPS OUT OF AN EXCEPTION HANDLER CONTAINED IN A BLOCK

--    TO A STATEMENT IN AN ENCLOSING UNIT ARE ALLOWED AND ARE PERFORMED 

--    CORRECTLY.

-- RM 05/22/81

-- SPS 3/8/83

WITH REPORT;

PROCEDURE  C59002A  IS

     USE  REPORT ;

BEGIN

     TEST( "C59002A" , "CHECK THAT JUMPS OUT OF EXCEPTION HANDLERS" &

                       " ARE ALLOWED" );

     DECLARE

          FLOW : INTEGER := 1 ;

          EXPON: INTEGER RANGE 0..3 := 0 ;

     BEGIN

          GOTO  START ;

          FAILED( "'GOTO' NOT OBEYED" );

          << BACK_LABEL >>

          FLOW  := FLOW  * 3**EXPON ;                    -- 1*5*9

          EXPON := EXPON + 1 ;

          GOTO  FINISH ;

          << START >>

          FLOW  := FLOW  * 7**EXPON ;                    -- 1

          EXPON := EXPON + 1 ;

          DECLARE

          BEGIN

               RAISE  CONSTRAINT_ERROR ;

               FAILED( "EXCEPTION NOT RAISED  -  1" );

          EXCEPTION

               WHEN CONSTRAINT_ERROR  =>

                    GOTO  FORWARD_LABEL ;

          END ;

          FAILED( "INNER 'GOTO' NOT OBEYED  -  1" );

          << FORWARD_LABEL >>

          FLOW  := FLOW  * 5**EXPON ;                    -- 1*5

          EXPON := EXPON + 1 ;

          DECLARE

          BEGIN

               RAISE  CONSTRAINT_ERROR ;

               FAILED( "EXCEPTION NOT RAISED  -  2" );

          EXCEPTION

               WHEN CONSTRAINT_ERROR  =>

                    GOTO  BACK_LABEL ;

          END ;

          FAILED( "INNER 'GOTO' NOT OBETED  -  2" );

          << FINISH >>

          FLOW  := FLOW  * 2**EXPON ;                    -- 1*5*9*8

          IF  FLOW /= 360  THEN

               FAILED( "WRONG FLOW OF CONTROL" );

          END IF;

     END ;

     RESULT ;

END C59002A;