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-- C87B39A.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) AN OVERLOADED CALL CAN BE RESOLVED BECAUSE AN ALLOCATOR RETURNS
-- AN ACCESS TYPE WHOSE DESIGNATED TYPE IS THE TYPE REFERRED TO IN
-- THE ALLOCATOR.
--
-- B) IF THE NAME OF THE DESIGNATED TYPE IN AN ALLOCATOR DOES NOT
-- UNIQUELY DETERMINE THE ACCESS TYPE OF AN ALLOCATOR, THE CONTEXT
-- MUST DETERMINE THE TYPE.
-- JBG 1/30/84
WITH REPORT; USE REPORT;
PROCEDURE C87B39A IS
TYPE S IS (M, F);
TYPE R (D : S) IS
RECORD NULL; END RECORD;
SUBTYPE M1 IS R(M);
SUBTYPE M2 IS R(M);
TYPE ACC_M1 IS ACCESS M1;
TYPE ACC_M2 IS ACCESS M2;
TYPE ACC_BOOL IS ACCESS BOOLEAN;
TYPE ACC_ACC_M1 IS ACCESS ACC_M1;
TYPE WHICH IS (IS_M1, IS_M2, IS_BOOL);
PROCEDURE P (X : ACC_M1; RESOLUTION : WHICH) IS
BEGIN
IF RESOLUTION /= IS_M1 THEN
FAILED ("INCORRECT RESOLUTION -- ACC_M1");
END IF;
END P; -- ACC_M1
PROCEDURE P (X : ACC_M2; RESOLUTION : WHICH) IS
BEGIN
IF RESOLUTION /= IS_M2 THEN
FAILED ("INCORRECT RESOLUTION -- ACC_M2");
END IF;
END P; -- ACC_M2
PROCEDURE P (X : ACC_BOOL; RESOLUTION : WHICH) IS
BEGIN
IF RESOLUTION /= IS_BOOL THEN
FAILED ("INCORRECT RESOLUTION -- ACC_BOOL");
END IF;
END P; -- ACC_BOOL
PROCEDURE P (X : ACC_ACC_M1; RESOLUTION : WHICH) IS
BEGIN
FAILED ("INCORRECT RESOLUTION -- ACC_ACC_M1");
END P; -- ACC_ACC_M1
PROCEDURE Q (X : ACC_M1) IS
BEGIN
NULL;
END Q; -- ACC_M1
PROCEDURE Q (X : ACC_BOOL) IS
BEGIN
FAILED ("INCORRECT RESOLUTION -- ACC_BOOL: Q");
END Q; -- ACC_BOOL
BEGIN
TEST ("C87B39A", "OVERLOADING RESOLUTION FOR ALLOCATORS");
P (ACC_M1'(NEW R(M)), IS_M1); -- B
P (ACC_M2'(NEW M1), IS_M2); -- B
P (NEW BOOLEAN'(TRUE), IS_BOOL); -- A
Q (NEW M2); -- A
Q (NEW M1); -- A
Q (NEW R(M)); -- A
Q (NEW R'(D => M)); -- A
RESULT;
END C87B39A;
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