| -- 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; |