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-- C37003A.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 MULTIPLE COMPONENT DECLARATIONS ARE TREATED AS A SERIES
-- OF SINGLE COMNENT DECLARATIONS, I.E., THE COMPONENTS ALL HAVE THE
-- SAME TYPE AND ANY EXPRESSION USED IN CONSTRAINTS OR INITIALIZATIONS
-- IS EVALUATED ONCE FOR EACH COMPONENT.
-- DAT 3/30/81
-- SPS 10/26/82
-- JWC 10/23/85 RENAMED FROM C37013A-AB.ADA.
-- ADDED TEST TO ENSURE THAT ANY EXPRESSION USED
-- IN A CONSTRAINT IS EVALUATED ONCE FOR EACH
-- COMPONENT.
-- JRK 11/15/85 ADDED INITIALIZATION EVALUATION CHECKS.
WITH REPORT; USE REPORT;
PROCEDURE C37003A IS
X : INTEGER := 0;
FUNCTION F RETURN INTEGER IS
BEGIN
X := X + 1;
RETURN X;
END F;
PROCEDURE RESET IS
BEGIN
X := 0;
END RESET;
BEGIN
TEST ("C37003A", "CHECK THAT MULTIPLE COMPONENT DECLARATIONS " &
"ARE TREATED AS A SERIES OF SINGLE COMPONENT " &
"DECLARATIONS");
DECLARE
TYPE ARR IS ARRAY (INTEGER RANGE <>) OF INTEGER;
TYPE REC1 IS RECORD
A1, A2 : ARR (1 .. F) := (OTHERS => F);
END RECORD;
R1 : REC1 := (OTHERS => (OTHERS => 1));
Y : INTEGER := X;
R1A : REC1;
BEGIN
IF R1.A1 = R1.A2 THEN -- TEST TO SEE IF THE COMPONENTS
NULL; -- ARE OF THE SAME TYPE.
END IF;
IF Y /= 2 THEN
FAILED ("CONSTRAINT EXPRESSION NOT EVALUATED TWICE " &
"FOR ARRAYS");
END IF;
IF X /= 5 THEN
FAILED ("INITIALIZATION EXPRESSION NOT EVALUATED FOR " &
"EACH ARRAY COMPONENT");
END IF;
RESET;
END;
DECLARE
TYPE REC2 IS RECORD
I1, I2 : INTEGER RANGE 1 .. F := F * IDENT_INT(0) + 1;
END RECORD;
R2 : REC2 := (OTHERS => 1);
Y : INTEGER := X;
R2A : REC2;
BEGIN
IF R2.I1 = R2.I2 THEN -- TEST TO SEE IF THE COMPONENTS
NULL; -- ARE OF THE SAME TYPE.
END IF;
IF Y /= 2 THEN
FAILED ("CONSTRAINT EXPRESSION NOT EVALUATED TWICE " &
"FOR SCALARS");
END IF;
IF X /= 4 THEN
FAILED ("INITIALIZATION EXPRESSION NOT EVALUATED FOR " &
"EACH SCALAR COMPONENT");
END IF;
RESET;
END;
DECLARE
TYPE REC3X (DSC : INTEGER) IS RECORD
NULL;
END RECORD;
TYPE REC3Y IS RECORD
I : INTEGER;
END RECORD;
TYPE REC3 IS RECORD
RX1, RX2 : REC3X (F);
RY1, RY2 : REC3Y := (I => F);
END RECORD;
R3 : REC3 := ((DSC => 1), (DSC => 2), (I => 0), (I => 0));
Y : INTEGER := X;
R3A : REC3;
BEGIN
IF R3.RX1 = R3.RX2 THEN -- TEST TO SEE IF THE COMPONENTS
NULL; -- ARE OF THE SAME TYPE.
END IF;
IF Y /= 2 THEN
FAILED ("CONSTRAINT EXPRESSION NOT EVALUATED TWICE " &
"FOR RECORDS");
END IF;
IF X /= 4 THEN
FAILED ("INITIALIZATION EXPRESSION NOT EVALUATED " &
"FOR EACH RECORD COMPONENT");
END IF;
RESET;
END;
DECLARE
TYPE REC4X (DSC : INTEGER) IS RECORD
NULL;
END RECORD;
TYPE ACR IS ACCESS REC4X;
TYPE ACI IS ACCESS INTEGER;
TYPE REC4 IS RECORD
AC1, AC2 : ACR (F);
AC3, AC4 : ACI := NEW INTEGER'(F);
END RECORD;
R4 : REC4 := (NULL, NULL, NULL, NULL);
Y : INTEGER := X;
R4A : REC4;
BEGIN
IF R4.AC1 = R4.AC2 THEN -- TEST TO SEE IF THE COMPONENTS
NULL; -- ARE OF THE SAME TYPE.
END IF;
IF Y /= 2 THEN
FAILED ("CONSTRAINT EXPRESSION NOT EVALUATED TWICE " &
"FOR ACCESS");
END IF;
IF X /= 4 THEN
FAILED ("INITIALIZATION EXPRESSION NOT EVALUATED " &
"FOR EACH ACCESS COMPONENT");
END IF;
END;
RESULT;
END C37003A;
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