| -- C64104N.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. |
| --* |
| -- OBJECTIVE: |
| -- CHECK THAT CONSTRAINT_ERROR IS RAISED AT THE PLACE OF THE CALL |
| -- FOR THE CASE OF A PRIVATE TYPE IMPLEMENTED AS A SCALAR TYPE |
| -- WHERE THE VALUE OF THE FORMAL PARAMETER DOES NOT BELONG TO THE |
| -- SUBTYPE OF THE ACTUAL PARAMETER. |
| |
| -- HISTORY: |
| -- DAVID A. TAFFS |
| -- CPP 07/23/84 |
| -- RDH 04/18/90 REVISED TO CHECK THAT SUBPROGRAM IS ACTUALLY |
| -- CALLED. |
| -- THS 09/21/90 REWORDED COMMENT STATING THAT THE TEST DOES NOT |
| -- ACCEPT THE LITERAL INTERPRETATION OF 6.4.1(9). |
| |
| WITH REPORT; USE REPORT; |
| PROCEDURE C64104N IS |
| |
| BEGIN |
| TEST ("C64104N", "CHECK THAT PRIVATE TYPE (SCALAR) RAISES " & |
| "CONSTRAINT_ERROR WHEN ACTUAL AND FORMAL PARAMETER " & |
| "BOUNDS DIFFER"); |
| |
| DECLARE |
| |
| CALLED : BOOLEAN := FALSE; |
| |
| PACKAGE P IS |
| TYPE T IS PRIVATE; |
| DC : CONSTANT T; |
| |
| GENERIC PACKAGE PP IS |
| END PP; |
| PRIVATE |
| TYPE T IS NEW INTEGER; |
| DC : CONSTANT T := -1; |
| END P; |
| |
| PROCEDURE Q (X : IN OUT P.T) IS |
| BEGIN |
| CALLED := TRUE; |
| X := P.DC; |
| IF P. "=" (X, P.DC) THEN |
| COMMENT("PROCEDURE Q WAS CALLED"); |
| END IF; |
| EXCEPTION |
| WHEN OTHERS => |
| FAILED("EXCEPTION RAISED INSIDE SUBPROGRAM"); |
| END Q; |
| |
| GENERIC |
| Y : IN OUT P.T; |
| PACKAGE CALL IS |
| END CALL; |
| |
| PACKAGE BODY CALL IS |
| BEGIN |
| Q (Y); |
| END CALL; |
| |
| -- NOTE CALL HAS VARIABLE OF A PRIVATE TYPE AS AN OUT PARAMETER. |
| -- THIS TEST DOES NOT ACCEPT THE LITERAL INTERPRETATION OF 6.4.1(9). |
| -- REFER TO ADA IMPLEMENTOR'S GUIDE 6.4.1 SEMANTIC RAMIFICATION 19 |
| -- AND AI-00025 FOR CLARIFICATION AS TO WHY THE LITERAL |
| -- INTERPRETATION IS REJECTED. |
| |
| PACKAGE BODY P IS |
| Z : T RANGE 0..1 := 0; |
| PACKAGE BODY PP IS |
| PACKAGE CALL_Q IS NEW CALL(Z); |
| END PP; |
| END P; |
| |
| BEGIN |
| BEGIN |
| DECLARE |
| PACKAGE CALL_Q_NOW IS NEW P.PP; -- EXCEPTION |
| BEGIN |
| FAILED ("NO EXCEPTION RAISED"); |
| END; |
| EXCEPTION |
| WHEN CONSTRAINT_ERROR => |
| IF NOT CALLED THEN |
| FAILED("SUBPROGRAM Q WAS NOT CALLED"); |
| END IF; |
| WHEN OTHERS => |
| FAILED("WRONG EXCEPTION RAISED"); |
| END; |
| |
| RESULT; |
| |
| END; |
| END C64104N; |