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-- 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;
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