| -- C74211B.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 IMPLICITLY DECLARED INEQUALITY WHICH ACCOMPANIES AN |
| -- EXPLICIT DECLARATION OF EQUALITY HIDES OTHER IMPLICITLY DECLARED |
| -- HOMOGRAPHS, AND THAT DERIVED INEQUALITY HIDES PREDEFINED INEQUALITY. |
| |
| -- DSJ 4/29/83 |
| -- JBG 9/23/83 |
| |
| WITH REPORT; |
| PROCEDURE C74211B IS |
| |
| USE REPORT; |
| |
| BEGIN |
| |
| TEST( "C74211B", "CHECK THAT HIDING OF IMPLICITLY DECLARED " & |
| "OPERATORS AND DERIVED SUBPROGRAMS IS DONE " & |
| "CORRECTLY REGARDLESS OF ORDER OF DECL'S"); |
| |
| DECLARE |
| |
| PACKAGE P1 IS |
| TYPE LT1 IS LIMITED PRIVATE; |
| FUNCTION "="(L, R : LT1) RETURN BOOLEAN; |
| FUNCTION LT1_VALUE_2 RETURN LT1; |
| FUNCTION LT1_VALUE_4 RETURN LT1; |
| TYPE LT2 IS LIMITED PRIVATE; |
| PRIVATE |
| TYPE LT1 IS RANGE 1 .. 10; |
| TYPE LT2 IS RANGE 1 .. 10; |
| END P1; |
| |
| USE P1; |
| |
| PACKAGE P2 IS |
| TYPE LT3 IS LIMITED PRIVATE; |
| TYPE LT4 IS NEW LT1; |
| PRIVATE |
| FUNCTION "=" (L, R : LT3) RETURN BOOLEAN; |
| TYPE LT3 IS NEW LT1; |
| END P2; |
| |
| USE P2; |
| |
| PACKAGE BODY P1 IS |
| A , B : CONSTANT LT1 := 4; |
| C , D : CONSTANT LT2 := 6; |
| |
| FUNCTION "=" (L, R : LT1) RETURN BOOLEAN IS |
| BEGIN |
| RETURN INTEGER(L) /= INTEGER(R); |
| END "="; |
| |
| FUNCTION LT1_VALUE_2 RETURN LT1 IS |
| BEGIN |
| RETURN 2; |
| END LT1_VALUE_2; |
| |
| FUNCTION LT1_VALUE_4 RETURN LT1 IS |
| BEGIN |
| RETURN 4; |
| END LT1_VALUE_4; |
| |
| BEGIN |
| IF A = B THEN |
| FAILED ("PREDEFINED EQUALITY NOT HIDDEN BY " & |
| "EXPLICIT DECLARATION - LT1"); |
| END IF; |
| |
| IF C /= D THEN |
| FAILED ("WRONG PREDEFINED OPERATION - T2"); |
| END IF; |
| END P1; |
| |
| PACKAGE BODY P2 IS |
| FUNCTION U RETURN LT3 IS |
| BEGIN |
| RETURN LT1_VALUE_2; |
| END U; |
| |
| FUNCTION V RETURN LT3 IS |
| BEGIN |
| RETURN LT1_VALUE_4; |
| END V; |
| |
| FUNCTION W RETURN LT4 IS |
| BEGIN |
| RETURN LT1_VALUE_2; |
| END W; |
| |
| FUNCTION X RETURN LT4 IS |
| BEGIN |
| RETURN LT1_VALUE_4; |
| END X; |
| |
| FUNCTION "=" (L, R : LT3) RETURN BOOLEAN IS |
| BEGIN |
| RETURN NOT (LT1(L) = LT1(R)); |
| END "="; |
| |
| BEGIN |
| IF NOT (U /= V) THEN |
| FAILED ("DERIVED SUBPROGRAM NOT HIDDEN BY " & |
| "IMPLICITLY DECLARED INEQUALITY " & |
| "FROM EXPLICITLY DECLARED EQUALITY"); |
| END IF; |
| |
| IF NOT (LT3(W) = U) THEN |
| FAILED ("DERIVED SUBPROGRAM NOT HIDDEN BY " & |
| "EXPLICIT DECLARATION - '=' "); |
| END IF; |
| |
| IF W /= X THEN |
| FAILED ("PREDEFINED OPERATOR NOT HIDDEN BY " & |
| "DERIVED SUBPROGRAM - '/=' "); |
| END IF; |
| |
| IF NOT ( X = W ) THEN |
| FAILED ("PREDEFINED OPERATOR NOT HIDDEN BY " & |
| "DERIVED SUBPROGRAM - '=' "); |
| END IF; |
| |
| END P2; |
| |
| BEGIN |
| |
| NULL; |
| |
| END; |
| |
| RESULT; |
| |
| END C74211B; |