Subversion Repositories openrisc_2011-10-31

-- C54A07A.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 VARIABLE USED AS A CASE EXPRESSION IS NOT CONSIDERED

--    LOCAL TO THE CASE STATEMENT.  IN PARTICULAR, CHECK THAT THE

--    VARIABLE CAN BE ASSIGNED A NEW VALUE, AND THE ASSIGNMENT TAKES

--    EFFECT IMMEDIATELY (I.E. THE CASE STATEMENT DOES NOT USE A

--    COPY OF THE CASE EXPRESSION).

-- RM 01/21/80

WITH REPORT ;

PROCEDURE  C54A07A  IS

     USE REPORT ;

BEGIN

     TEST("C54A07A" , "CHECK THAT A VARIABLE USED AS A CASE" &

                      " EXPRESSION IS NOT CONSIDERED LOCAL TO" &

                      " THE CASE STATEMENT" );

     DECLARE   -- A

     BEGIN

B1 :      DECLARE

               TYPE  VARIANT_REC( DISCR : BOOLEAN := TRUE )  IS

                    RECORD

                         A , B : INTEGER ;

                         CASE  DISCR  IS

                              WHEN  TRUE   =>  P , Q : CHARACTER ;

                              WHEN  FALSE  =>  X , Y : INTEGER   ;

                         END CASE;

                    END RECORD ;

               V : VARIANT_REC := ( TRUE , 1 , 2 ,

                                           IDENT_CHAR( 'P' )   ,

                                           IDENT_CHAR( 'Q' )   );

          BEGIN

               IF  EQUAL( 3 , 7 )  THEN  V := ( FALSE , 3 , 4 , 7 , 8 );

               END IF;

               CASE  V.DISCR  IS

                    WHEN  TRUE    =>

                         IF  ( V.P /= 'P'  OR

                               V.Q /= 'Q'  )

                         THEN  FAILED( "WRONG VALUES  -  1" );

                         END IF;

                         B1.V  :=  ( FALSE , 3 , 4 ,

                                             IDENT_INT( 5 )   ,

                                             IDENT_INT( 6 )   );

                         IF  V.DISCR  THEN FAILED( "WRONG DISCR." );

                         END IF;

                         IF  ( V.X /= 5  OR

                               V.Y /= 6  )

                         THEN  FAILED( "WRONG VALUES  -  2" );

                         END IF;

                    WHEN  FALSE   =>

                         FAILED( "WRONG BRANCH IN CASE STMT." );

               END CASE;

          EXCEPTION

               WHEN  OTHERS  =>  FAILED("EXCEPTION RAISED");

          END B1 ;

     EXCEPTION

          WHEN  OTHERS  =>  FAILED( "EXCEPTION RAISED BY DECLARATIONS");

     END ;    -- A

     RESULT ;

END C54A07A ;