| -- C67005D.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 EQUALITY CAN BE REDEFINED FOR AN ARBITRARY TYPE BY USING A |
| -- SEQUENCE OF RENAMING DECLARATIONS. |
| |
| -- JBG 9/11/84 |
| |
| WITH REPORT; USE REPORT; |
| PROCEDURE C67005D IS |
| |
| FUNCTION MY_EQUALS (L, R : INTEGER) RETURN BOOLEAN IS |
| BEGIN |
| RETURN FALSE; |
| END MY_EQUALS; |
| |
| GENERIC |
| TYPE LP IS LIMITED PRIVATE; |
| WITH FUNCTION "=" (L, R : LP) RETURN BOOLEAN; |
| PACKAGE EQUALITY_OPERATOR IS |
| PACKAGE INNER IS |
| FUNCTION "=" (L, R : LP) RETURN BOOLEAN RENAMES |
| EQUALITY_OPERATOR."="; |
| END INNER; |
| END EQUALITY_OPERATOR; |
| |
| BEGIN |
| TEST ("C67005D", "CHECK REDEFINITION OF ""="" BY RENAMING"); |
| |
| DECLARE |
| |
| CHK1 : BOOLEAN := 3 = IDENT_INT(3); -- PREDEFINED "=" |
| |
| -- REDEFINE INTEGER "=". |
| |
| PACKAGE INT_EQUALITY IS NEW |
| EQUALITY_OPERATOR (INTEGER, MY_EQUALS); |
| FUNCTION "=" (L, R : INTEGER) RETURN BOOLEAN RENAMES |
| INT_EQUALITY.INNER."="; |
| |
| CHK2 : BOOLEAN := 3 = IDENT_INT(3); -- REDEFINED "=". |
| |
| BEGIN |
| |
| IF NOT CHK1 THEN |
| FAILED ("PREDEFINED ""="" NOT USED"); |
| END IF; |
| |
| IF CHK2 THEN |
| FAILED ("REDEFINED ""="" NOT USED"); |
| END IF; |
| |
| END; |
| |
| RESULT; |
| |
| END C67005D; |