Subversion Repositories openrisc_2011-10-31

-- C93005A.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 WHEN AN EXCEPTION IS RAISED IN A DECLARATIVE PART, A TASK

-- DECLARED IN THE SAME DECLARATIVE PART BECOMES TERMINATED.

-- CHECK THAT A TASK WAITING ON ENTRIES OF SUCH A

-- TERMINATED-BEFORE-ACTIVATION TASK RECEIVES TASKING_ERROR.

-- JEAN-PIERRE ROSEN 3/9/84

-- JBG 06/01/84

-- JBG 05/23/85

-- EG  10/29/85  ELIMINATE THE USE OF NUMERIC_ERROR IN TEST.

-- PWN 01/31/95  REMOVED INCONSISTENCIES WITH ADA 9X.

WITH REPORT; USE REPORT;

WITH SYSTEM; USE SYSTEM;

PROCEDURE C93005A IS

BEGIN

     TEST("C93005A", "EXCEPTIONS RAISED IN A DECLARATIVE PART " &

                     "CONTAINING TASKS");

     BEGIN

          DECLARE

               TASK TYPE T1 IS     -- CHECKS THAT T2 TERMINATES.

               END T1;

               TYPE AT1 IS ACCESS T1;

               TASK T2 IS          -- WILL NEVER BE ACTIVATED.

                    ENTRY E;

               END T2;

               PACKAGE RAISE_IT IS

               END RAISE_IT;

               TASK BODY T2 IS

               BEGIN

                    FAILED ("T2 ACTIVATED");

                    -- IN CASE OF FAILURE

                    LOOP

                         SELECT

                              ACCEPT E;

                         OR

                              TERMINATE;

                         END SELECT;

                    END LOOP;

               END T2;

               TASK BODY T1 IS

               BEGIN

                    DECLARE  -- THIS BLOCK TO CHECK THAT T3 TERMINATES.

                         TASK T3 IS

                         END T3;

                         TASK BODY T3 IS

                         BEGIN

                              T2.E;

                              FAILED ("RENDEZVOUS COMPLETED WITHOUT " &

                                      "ERROR - T3");

                         EXCEPTION

                              WHEN TASKING_ERROR =>

                                   NULL;

                              WHEN OTHERS =>

                                   FAILED("ABNORMAL EXCEPTION - T3");

                         END T3;

                    BEGIN

                         NULL;

                    END;

                    T2.E;    --T2 IS NOW TERMINATED

                    FAILED ("RENDEZVOUS COMPLETED WITHOUT ERROR - T1");

               EXCEPTION

                    WHEN TASKING_ERROR =>

                         NULL;

                    WHEN OTHERS =>

                         FAILED("ABNORMAL EXCEPTION - T1");

               END;

               PACKAGE BODY RAISE_IT IS

                    PT1 : AT1 := NEW T1;

                    I   : POSITIVE := IDENT_INT(0); -- RAISE

                                                    -- CONSTRAINT_ERROR.

               BEGIN

                    IF I /= IDENT_INT(2) OR I = IDENT_INT(1) + 1 THEN

                         FAILED ("PACKAGE DIDN'T RAISE EXCEPTION");

                    END IF;

               END RAISE_IT;

          BEGIN     -- CAN'T LEAVE BLOCK UNTIL T1, T2, AND T3 ARE TERM.

               FAILED ("EXCEPTION NOT RAISED");

          END;

     EXCEPTION

          WHEN CONSTRAINT_ERROR =>

               NULL;

          WHEN TASKING_ERROR =>

               FAILED ("TASKING_ERROR IN MAIN PROGRAM");

          WHEN OTHERS =>

               FAILED ("ABNORMAL EXCEPTION IN MAIN-1");

     END;

     RESULT;

END C93005A;