| -- 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; |