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-- C38002B.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 AN UNCONSTRAINED ARRAY TYPE OR A RECORD WITHOUT
-- DEFAULT DISCRIMINANTS CAN BE USED IN AN ACCESS_TYPE_DEFINITION
-- WITHOUT AN INDEX OR DISCRIMINANT CONSTRAINT.
--
-- CHECK THAT (NON-STATIC) INDEX OR DISCRIMINANT CONSTRAINTS CAN
-- SUBSEQUENTLY BE IMPOSED WHEN THE TYPE IS USED IN AN OBJECT
-- DECLARATION, ARRAY COMPONENT DECLARATION, RECORD COMPONENT
-- DECLARATION, ACCESS TYPE DECLARATION, PARAMETER DECLARATION,
-- ALLOCATOR, DERIVED TYPE DEFINITION, PRIVATE TYPE, OR AS THE
-- RETURN TYPE IN A FUNCTION DECLARATION.
--
-- CHECK FOR GENERIC FORMAL ACCESS TYPES.
-- HISTORY:
-- AH 09/02/86 CREATED ORIGINAL TEST.
-- DHH 08/22/88 REVISED HEADER, ADDED 'PRIVATE TYPE' TO COMMENTS
-- AND CORRECTED INDENTATION.
WITH REPORT; USE REPORT;
PROCEDURE C38002B IS
C3 : CONSTANT INTEGER := IDENT_INT(3);
TYPE UNCON_ARR IS ARRAY (INTEGER RANGE <>) OF INTEGER;
TYPE REC (DISC : INTEGER) IS
RECORD
NULL;
END RECORD;
TYPE P_ARR_NAME IS ACCESS UNCON_ARR;
TYPE P_REC_NAME IS ACCESS REC;
GENERIC
TYPE ACC_REC IS ACCESS REC;
TYPE ACC_ARR IS ACCESS UNCON_ARR;
PACKAGE P IS
OBJ : ACC_REC(C3);
TYPE ARR2 IS ARRAY (1..10) OF ACC_REC(C3);
TYPE REC1 IS
RECORD
COMP1 : ACC_REC(C3);
END RECORD;
TYPE REC2 IS
RECORD
COMP2 : ACC_ARR(1..C3);
END RECORD;
SUBTYPE ACC_REC_3 IS ACC_REC(C3);
R : ACC_REC;
FUNCTION F (PARM : ACC_REC_3) RETURN ACC_REC_3;
TYPE ACC1 IS PRIVATE;
TYPE ACC2 IS PRIVATE;
TYPE DER1 IS PRIVATE;
TYPE DER2 IS PRIVATE;
PRIVATE
TYPE ACC1 IS ACCESS ACC_REC(C3);
TYPE ACC2 IS ACCESS ACC_ARR(1..C3);
TYPE DER1 IS NEW ACC_REC(C3);
TYPE DER2 IS NEW ACC_ARR(1..C3);
END P;
PACKAGE BODY P IS
FUNCTION F (PARM : ACC_REC_3) RETURN ACC_REC_3 IS
BEGIN
RETURN PARM;
END;
END P;
PACKAGE NP IS NEW P (ACC_REC => P_REC_NAME, ACC_ARR => P_ARR_NAME);
USE NP;
BEGIN
TEST ("C38002B", "NON-STATIC CONSTRAINTS CAN BE IMPOSED " &
"ON ACCESS TYPES ACCESSING PREVIOUSLY UNCONSTRAINED " &
"ARRAY OR RECORD TYPES");
R := NEW REC(DISC => 3);
R := F(R);
R := NEW REC(DISC => 4);
R := F(R);
FAILED ("INCOMPATIBLE CONSTRAINT ON ACCESS VALUE ACCEPTED " &
"BY GENERIC FUNCTION");
EXCEPTION
WHEN CONSTRAINT_ERROR =>
IF R = NULL OR ELSE R.DISC /= 4 THEN
FAILED (" ERROR IN EVALUATION/ASSIGNMENT OF " &
"GENERIC ACCESS VALUE");
END IF;
RESULT;
END C38002B;
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