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+-- C34014N.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 A DERIVED OPERATOR IS VISIBLE AND FURTHER DERIVABLE
+-- UNDER APPROPRIATE CIRCUMSTANCES.
+
+-- CHECK WHEN THE DERIVED OPERATOR IS IMPLICITLY DECLARED IN THE
+-- VISIBLE PART OF A PACKAGE AND A HOMOGRAPHIC OPERATOR IS LATER
+-- DECLARED EXPLICITLY IN THE SAME VISIBLE PART.
+
+-- HISTORY:
+-- JRK 09/21/87 CREATED ORIGINAL TEST.
+
+WITH REPORT; USE REPORT;
+
+PROCEDURE C34014N IS
+
+ PACKAGE P IS
+ TYPE T IS RANGE -100 .. 100;
+ FUNCTION "+" (X : T) RETURN T;
+ END P;
+ USE P;
+
+ PACKAGE BODY P IS
+ FUNCTION "+" (X : T) RETURN T IS
+ BEGIN
+ RETURN X + T (IDENT_INT (1));
+ END "+";
+ END P;
+
+BEGIN
+ TEST ("C34014N", "CHECK THAT A DERIVED OPERATOR IS VISIBLE " &
+ "AND FURTHER DERIVABLE UNDER APPROPRIATE " &
+ "CIRCUMSTANCES. CHECK WHEN THE DERIVED " &
+ "OPERATOR IS IMPLICITLY DECLARED IN THE " &
+ "VISIBLE PART OF A PACKAGE AND A HOMOGRAPHIC " &
+ "OPERATOR IS LATER DECLARED EXPLICITLY IN " &
+ "THE SAME VISIBLE PART");
+
+ -----------------------------------------------------------------
+
+ COMMENT ("NEW OPERATOR DECLARED BY SUBPROGRAM DECLARATION");
+
+ DECLARE
+
+ PACKAGE Q IS
+ TYPE QT IS NEW T;
+ X : QT := +0;
+ FUNCTION "+" (Y : QT) RETURN QT;
+ TYPE QR IS
+ RECORD
+ C : QT := +0;
+ END RECORD;
+ PRIVATE
+ TYPE QS IS NEW QT;
+ END Q;
+ USE Q;
+
+ PACKAGE BODY Q IS
+ FUNCTION "+" (Y : QT) RETURN QT IS
+ BEGIN
+ RETURN Y + QT (IDENT_INT (2));
+ END "+";
+
+ PACKAGE R IS
+ Y : QR;
+ Z : QS := +0;
+ END R;
+ USE R;
+ BEGIN
+ IF X /= 1 THEN
+ FAILED ("OLD OPERATOR NOT VISIBLE - SUBPROG " &
+ "DECL");
+ END IF;
+
+ IF Y.C /= 2 THEN
+ FAILED ("NEW OPERATOR NOT VISIBLE - SUBPROG " &
+ "DECL - 1");
+ END IF;
+
+ IF Z /= 2 THEN
+ FAILED ("NEW OPERATOR NOT DERIVED - SUBPROG " &
+ "DECL - 1");
+ END IF;
+ END Q;
+
+ PACKAGE R IS
+ Y : QT := +0;
+ TYPE RT IS NEW QT;
+ Z : RT := +0;
+ END R;
+ USE R;
+
+ BEGIN
+ IF Y /= 2 THEN
+ FAILED ("NEW OPERATOR NOT VISIBLE - SUBPROG DECL - 2");
+ END IF;
+
+ IF Z /= 2 THEN
+ FAILED ("NEW OPERATOR NOT DERIVED - SUBPROG DECL - 2");
+ END IF;
+ END;
+
+ -----------------------------------------------------------------
+
+ COMMENT ("NEW OPERATOR DECLARED BY RENAMING");
+
+ DECLARE
+
+ PACKAGE Q IS
+ TYPE QT IS NEW T;
+ X : QT := +0;
+ FUNCTION G (X : QT) RETURN QT;
+ FUNCTION "+" (Y : QT) RETURN QT RENAMES G;
+ TYPE QR IS
+ RECORD
+ C : QT := +0;
+ END RECORD;
+ PRIVATE
+ TYPE QS IS NEW QT;
+ END Q;
+ USE Q;
+
+ PACKAGE BODY Q IS
+ FUNCTION G (X : QT) RETURN QT IS
+ BEGIN
+ RETURN X + QT (IDENT_INT (2));
+ END G;
+
+ PACKAGE R IS
+ Y : QR;
+ Z : QS := +0;
+ END R;
+ USE R;
+ BEGIN
+ IF X /= 1 THEN
+ FAILED ("OLD OPERATOR NOT VISIBLE - RENAMING");
+ END IF;
+
+ IF Y.C /= 2 THEN
+ FAILED ("NEW OPERATOR NOT VISIBLE - RENAMING - " &
+ "1");
+ END IF;
+
+ IF Z /= 2 THEN
+ FAILED ("NEW OPERATOR NOT DERIVED - RENAMING - " &
+ "1");
+ END IF;
+ END Q;
+
+ PACKAGE R IS
+ Y : QT := +0;
+ TYPE RT IS NEW QT;
+ Z : RT := +0;
+ END R;
+ USE R;
+
+ BEGIN
+ IF Y /= 2 THEN
+ FAILED ("NEW OPERATOR NOT VISIBLE - RENAMING - 2");
+ END IF;
+
+ IF Z /= 2 THEN
+ FAILED ("NEW OPERATOR NOT DERIVED - RENAMING - 2");
+ END IF;
+ END;
+
+ -----------------------------------------------------------------
+
+ COMMENT ("NEW OPERATOR DECLARED BY GENERIC INSTANTIATION");
+
+ DECLARE
+
+ GENERIC
+ TYPE T IS RANGE <>;
+ FUNCTION G (Y : T) RETURN T;
+
+ FUNCTION G (Y : T) RETURN T IS
+ BEGIN
+ RETURN Y + T (IDENT_INT (2));
+ END G;
+
+ PACKAGE Q IS
+ TYPE QT IS NEW T;
+ X : QT := +0;
+ FUNCTION "+" IS NEW G (QT);
+ W : QT := +0;
+ PRIVATE
+ TYPE QS IS NEW QT;
+ Z : QS := +0;
+ END Q;
+ USE Q;
+
+ PACKAGE BODY Q IS
+ BEGIN
+ IF X /= 1 THEN
+ FAILED ("OLD OPERATOR NOT VISIBLE - " &
+ "INSTANTIATION");
+ END IF;
+
+ IF W /= 2 THEN
+ FAILED ("NEW OPERATOR NOT VISIBLE - " &
+ "INSTANTIATION - 1");
+ END IF;
+
+ IF Z /= 2 THEN
+ FAILED ("NEW OPERATOR NOT DERIVED - " &
+ "INSTANTIATION - 1");
+ END IF;
+ END Q;
+
+ PACKAGE R IS
+ Y : QT := +0;
+ TYPE RT IS NEW QT;
+ Z : RT := +0;
+ END R;
+ USE R;
+
+ BEGIN
+ IF Y /= 2 THEN
+ FAILED ("NEW OPERATOR NOT VISIBLE - INSTANTIATION - " &
+ "2");
+ END IF;
+
+ IF Z /= 2 THEN
+ FAILED ("NEW OPERATOR NOT DERIVED - INSTANTIATION - " &
+ "2");
+ END IF;
+ END;
+
+ -----------------------------------------------------------------
+
+ RESULT;
+END C34014N;