| -- C67005C.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 A DECLARATION OF "=" NEED NOT HAVE PARAMETERS |
| -- OF A LIMITED TYPE IN A RENAMING DECLARATION. THIS TEST CHECKS |
| -- ACCESS TYPES. |
| |
| -- BRYCE BARDIN (HUGHES AIRCRAFT) 7/2/84 |
| -- CPP 7/12/84 |
| |
| WITH REPORT; USE REPORT; |
| PROCEDURE C67005C IS |
| |
| GENERIC |
| TYPE T IS LIMITED PRIVATE; |
| WITH FUNCTION EQUAL (LEFT, RIGHT : T) RETURN BOOLEAN IS <>; |
| PACKAGE EQUALITY IS |
| FUNCTION "=" (LEFT, RIGHT : T) RETURN BOOLEAN; |
| -- PRAGMA INLINE ("="); |
| END EQUALITY; |
| |
| PACKAGE BODY EQUALITY IS |
| FUNCTION "=" (LEFT, RIGHT : T) RETURN BOOLEAN IS |
| BEGIN |
| RETURN EQUAL (LEFT, RIGHT); |
| END "="; |
| END EQUALITY; |
| |
| PACKAGE STARTER IS |
| TYPE INT IS PRIVATE; |
| FUNCTION VALUE_OF (I : INTEGER) RETURN INT; |
| FUNCTION EQUAL (LEFT, RIGHT : INT) RETURN BOOLEAN; |
| PRIVATE |
| TYPE INT IS ACCESS INTEGER; |
| END STARTER; |
| |
| PACKAGE BODY STARTER IS |
| FUNCTION VALUE_OF (I : INTEGER) RETURN INT IS |
| BEGIN |
| RETURN NEW INTEGER'(I); |
| END VALUE_OF; |
| |
| FUNCTION EQUAL (LEFT, RIGHT : INT) RETURN BOOLEAN IS |
| BEGIN |
| RETURN LEFT.ALL = RIGHT.ALL; |
| END EQUAL; |
| END STARTER; |
| |
| PACKAGE ABSTRACTION IS |
| TYPE INT IS NEW STARTER.INT; |
| PACKAGE INT_EQUALITY IS NEW EQUALITY (INT, EQUAL); |
| FUNCTION "=" (LEFT, RIGHT : INT) RETURN BOOLEAN |
| RENAMES INT_EQUALITY."="; |
| END ABSTRACTION; |
| USE ABSTRACTION; |
| |
| BEGIN |
| |
| TEST ("C67005C", "RENAMING OF EQUALITY OPERATOR WITH " & |
| "NON-LIMITED PARAMETERS"); |
| |
| DECLARE |
| |
| I : INT := VALUE_OF(1); |
| J : INT := VALUE_OF(0); |
| |
| PROCEDURE CHECK (B : BOOLEAN) IS |
| BEGIN |
| IF I = J AND B THEN |
| COMMENT ("I = J"); |
| ELSIF I /= J AND NOT B THEN |
| COMMENT ("I /= J"); |
| ELSE |
| FAILED ("WRONG ""="" OPERATOR"); |
| END IF; |
| END CHECK; |
| |
| BEGIN |
| |
| CHECK(FALSE); |
| I := VALUE_OF(0); |
| CHECK(TRUE); |
| |
| RESULT; |
| |
| END; |
| |
| END C67005C; |