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-- C41306C.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 IF  F  IS A FUNCTION RETURNING AN ACCESS VALUE DESIGNATING

--     A TASK OF A TYPE HAVING

--     AN ENTRY  E ,  AN ENTRY CALL OF THE FORM

--

--                           F.E

--

--     IS PERMITTED.

-- RM  02/02/82

-- ABW 07/16/82

-- EG  05/28/85

WITH REPORT; USE REPORT;

PROCEDURE C41306C IS

BEGIN

     TEST ( "C41306C" , "CHECK THAT IF  F  IS A FUNCTION RETURNING" &

                        " AN ACCESS VALUE DESIGNATING"              &

                        " A TASK OF A TYPE HAVING AN ENTRY  E ,  AN" &

                        " ENTRY CALL OF THE FORM  F.E  IS PERMITTED" );

     -------------------------------------------------------------------

     DECLARE

          X  : INTEGER  :=  0 ;

          TASK TYPE  T  IS

               ENTRY  E ;

          END  T ;

          TYPE  A_T  IS  ACCESS T ;

          TASK BODY  T  IS

          BEGIN

               ACCEPT  E  DO

                    X := IDENT_INT(17) ;

               END  E ;

          END  T ;

          FUNCTION  F1  RETURN  A_T  IS

               A_T_VAR1 : A_T := NEW T ;

          BEGIN

               RETURN  A_T_VAR1 ;

          END  F1 ;

          FUNCTION F2 (A, B : BOOLEAN) RETURN A_T IS

               A_T_VAR2 : A_T := NEW T;

          BEGIN

               IF A AND B THEN

                    NULL;

               END IF;

               RETURN A_T_VAR2;

          END F2;

     BEGIN

          F1.E ;      --  THE ELABOR. OF  F1 (BODY)  ACTIVATES THE TASK,

                      --      WHICH  PROCEEDS TO WAIT FOR ENTRY  E  TO

                      --      BE CALLED.

                      --  THE CALLED ENTRY CAUSES  X  TO BE SET TO  17 .

          IF  X /= 17

          THEN

               FAILED( "WRONG VALUE FOR GLOBAL VARIABLE   (1)" );

          END IF;

          X := 0;

          F2(TRUE, TRUE).E;   -- THE ELABORATION OF F2 (BODY) ACTIVATES

                              -- THE TASK, WHICH PROCEEDS TO WAIT FOR

                              -- ENTRY E TO BE CALLED.

                              -- THE CALLED ENTRY CAUSES X TO BE SET TO

                              -- 17.

          IF X /= 17 THEN

               FAILED ("WRONG VALUE FOR GLOBAL VARIABLE (2)");

          END IF;

     END ;

     -------------------------------------------------------------------

     DECLARE

          X  : INTEGER  :=  0 ;

          TASK TYPE  T  IS

               ENTRY  E ;

          END  T ;

          TYPE  A_T  IS  ACCESS T ;

          TASK BODY  T  IS

          BEGIN

               ACCEPT  E  DO

                    X := IDENT_INT(17) ;

               END  E ;

          END  T ;

          FUNCTION  F3  RETURN  A_T  IS

          BEGIN

               RETURN  NEW T ;

          END  F3;

          FUNCTION F4 (C, D : BOOLEAN) RETURN A_T IS

          BEGIN

               IF C AND D THEN

                    NULL;

               END IF;

               RETURN NEW T;

          END F4;

     BEGIN

          F3.E ;      --  THE ELABOR. OF  F3 (BODY)  ACTIVATES THE TASK,

                      --      WHICH  PROCEEDS TO WAIT FOR ENTRY  E  TO

                      --      BE CALLED.

                      --  THE CALLED ENTRY CAUSES  X  TO BE SET TO  17 .

          IF  X /= 17

          THEN

               FAILED( "WRONG VALUE FOR GLOBAL VARIABLE   (3)" );

          END IF;

          X := 0;

          F4(TRUE, TRUE).E;   -- THE ELABORATION OF F4 (BODY) ACTIVATES

                              -- THE TASK WHICH PROCEEDS TO WAIT FOR

                              -- ENTRY E TO BE CALLED.

                              -- THE CALLED ENTRY CAUSES X TO BE SET TO

                              -- 17.

          IF X /= 17 THEN

               FAILED ("WRONG VALUE FOR GLOBAL VARIABLE (4)");

          END IF;

     END ;

     -------------------------------------------------------------------

     DECLARE

          X  : INTEGER  :=  0 ;

          TASK TYPE  T  IS

               ENTRY  E ;

          END  T ;

          TYPE  A_T  IS  ACCESS T ;

          TASK BODY  T  IS

          BEGIN

               ACCEPT  E  DO

                    X := IDENT_INT(17) ;

               END  E ;

          END  T ;

     BEGIN

          DECLARE

               F3 : A_T := NEW T;

          BEGIN

               F3.E;

                      --  THE CALLED ENTRY CAUSES  X  TO BE SET TO  17 .

               IF  X /= 17 THEN

                    FAILED( "WRONG VALUE FOR GLOBAL VARIABLE   (5)" );

               END IF;

          END;

     END ;

     -------------------------------------------------------------------

     RESULT;

END C41306C;