| -- C47009A.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: |
| -- WHEN THE TYPE MARK IN A QUALIFIED EXPRESSION DENOTES A |
| -- CONSTRAINED ACCESS TYPE, CHECK THAT CONSTRAINT_ERROR IS RAISED |
| -- WHEN THE VALUE OF THE OPERAND IS NOT NULL AND THE DESIGNATED |
| -- OBJECT HAS INDEX BOUNDS OR DISCRIMINANT VALUES THAT DO NOT EQUAL |
| -- THOSE SPECIFIED IN THE ACCESS TYPE'S CONSTRAINT. |
| |
| -- HISTORY: |
| -- RJW 7/23/86 |
| -- DWC 07/24/87 REVISED TO MAKE THE ACCESS TYPE UNCONSTRAINED |
| -- AND TO PREVENT DEAD VARIABLE OPTIMIZATION. |
| |
| WITH REPORT; USE REPORT; |
| PROCEDURE C47009A IS |
| |
| BEGIN |
| |
| TEST( "C47009A", "WHEN THE TYPE MARK IN A QUALIFIED EXPRESSION " & |
| "DENOTES A CONSTRAINED ACCESS TYPE, CHECK " & |
| "THAT CONSTRAINT_ERROR IS RAISED WHEN THE " & |
| "VALUE OF THE OPERAND IS NOT NULL AND THE " & |
| "DESIGNATED OBJECT HAS INDEX BOUNDS OR " & |
| "DISCRIMINANT VALUES THAT DO NOT EQUAL THOSE " & |
| "SPECIFIED IN THE ACCESS TYPE'S CONSTRAINT" ); |
| |
| DECLARE |
| |
| TYPE ARR IS ARRAY (NATURAL RANGE <>) OF INTEGER; |
| TYPE ACC1 IS ACCESS ARR; |
| SUBTYPE ACC1S IS ACC1 (IDENT_INT (1) .. IDENT_INT (5)); |
| A : ACC1; |
| B : ARR (IDENT_INT (2) .. IDENT_INT (6)); |
| |
| BEGIN |
| A := ACC1S'(NEW ARR'(B'FIRST .. B'LAST => 0)); |
| IF A'FIRST = 1 THEN |
| FAILED ( "NO EXCEPTION RAISED FOR INDEX BOUNDS " & |
| "DIFFERENT FROM THOSE OF TYPE ACC1 - 1" ); |
| ELSE |
| FAILED ( "NO EXCEPTION RAISED FOR INDEX BOUNDS " & |
| "DIFFERENT FROM THOSE OF TYPE ACC1 - 2" ); |
| END IF; |
| EXCEPTION |
| WHEN CONSTRAINT_ERROR => |
| NULL; |
| WHEN OTHERS => |
| FAILED ( "WRONG EXCEPTION RAISED FOR INDEX BOUNDS " & |
| "DIFFERENT FROM THOSE OF TYPE ACC1" ); |
| END; |
| |
| DECLARE |
| |
| TYPE ARR IS ARRAY (NATURAL RANGE <>, NATURAL RANGE <>) |
| OF INTEGER; |
| TYPE ACC2 IS ACCESS ARR; |
| SUBTYPE ACC2S IS ACC2 (IDENT_INT (1) .. IDENT_INT (5), |
| IDENT_INT (1) .. IDENT_INT (1)); |
| A : ACC2; |
| B : ARR (IDENT_INT (1) .. IDENT_INT (5), |
| IDENT_INT (2) .. IDENT_INT (2)); |
| |
| BEGIN |
| A := ACC2S'(NEW ARR'(B'RANGE => (B'RANGE (2) => 0))); |
| IF A'FIRST = 1 THEN |
| FAILED ( "NO EXCEPTION RAISED FOR INDEX BOUNDS " & |
| "DIFFERENT FROM THOSE OF TYPE ACC2 - 1" ); |
| ELSE |
| FAILED ( "NO EXCEPTION RAISED FOR INDEX BOUNDS " & |
| "DIFFERENT FROM THOSE OF TYPE ACC2 - 2" ); |
| END IF; |
| EXCEPTION |
| WHEN CONSTRAINT_ERROR => |
| NULL; |
| WHEN OTHERS => |
| FAILED ( "WRONG EXCEPTION RAISED FOR INDEX BOUNDS " & |
| "DIFFERENT FROM THOSE OF TYPE ACC2" ); |
| END; |
| |
| DECLARE |
| |
| TYPE REC (D : INTEGER) IS |
| RECORD |
| NULL; |
| END RECORD; |
| |
| TYPE ACC3 IS ACCESS REC; |
| SUBTYPE ACC3S IS ACC3 (IDENT_INT (3)); |
| A : ACC3; |
| B : REC (IDENT_INT (5)) := (D => (IDENT_INT (5))); |
| |
| BEGIN |
| A := ACC3S'(NEW REC'(B)); |
| IF A = NULL THEN |
| FAILED ( "NO EXCEPTION RAISED FOR INDEX BOUNDS " & |
| "DIFFERENT FROM THOSE OF TYPE ACC3 - 1" ); |
| ELSE |
| FAILED ( "NO EXCEPTION RAISED FOR INDEX BOUNDS " & |
| "DIFFERENT FROM THOSE OF TYPE ACC3 - 2" ); |
| END IF; |
| EXCEPTION |
| WHEN CONSTRAINT_ERROR => |
| NULL; |
| WHEN OTHERS => |
| FAILED ( "WRONG EXCEPTION RAISED FOR INDEX BOUNDS " & |
| "DIFFERENT FROM THOSE OF TYPE ACC3" ); |
| END; |
| |
| DECLARE |
| |
| TYPE REC (D1,D2 : INTEGER) IS |
| RECORD |
| NULL; |
| END RECORD; |
| |
| TYPE ACC4 IS ACCESS REC; |
| SUBTYPE ACC4S IS ACC4 (IDENT_INT (4), IDENT_INT (5)); |
| A : ACC4; |
| B : REC (IDENT_INT (5), IDENT_INT (4)) := |
| (D1 => (IDENT_INT (5)), D2 => (IDENT_INT (4))); |
| |
| BEGIN |
| A := ACC4S'(NEW REC'(B)); |
| IF A = NULL THEN |
| FAILED ( "NO EXCEPTION RAISED FOR INDEX BOUNDS " & |
| "DIFFERENT FROM THOSE OF TYPE ACC4 - 1" ); |
| ELSE |
| FAILED ( "NO EXCEPTION RAISED FOR INDEX BOUNDS " & |
| "DIFFERENT FROM THOSE OF TYPE ACC4 - 2" ); |
| END IF; |
| EXCEPTION |
| WHEN CONSTRAINT_ERROR => |
| NULL; |
| WHEN OTHERS => |
| FAILED ( "WRONG EXCEPTION RAISED FOR DISC VALUES " & |
| "DIFFERENT FROM THOSE OF TYPE ACC4" ); |
| END; |
| |
| DECLARE |
| |
| PACKAGE PKG IS |
| TYPE REC (D : INTEGER) IS PRIVATE; |
| |
| B : CONSTANT REC; |
| PRIVATE |
| TYPE REC (D : INTEGER) IS |
| RECORD |
| NULL; |
| END RECORD; |
| |
| B : CONSTANT REC := (D => (IDENT_INT (4))); |
| END PKG; |
| |
| USE PKG; |
| |
| TYPE ACC5 IS ACCESS REC; |
| SUBTYPE ACC5S IS ACC5 (IDENT_INT (3)); |
| A : ACC5; |
| |
| BEGIN |
| A := ACC5S'(NEW REC'(B)); |
| IF A = NULL THEN |
| FAILED ( "NO EXCEPTION RAISED FOR INDEX BOUNDS " & |
| "DIFFERENT FROM THOSE OF TYPE ACC5 - 1" ); |
| ELSE |
| FAILED ( "NO EXCEPTION RAISED FOR INDEX BOUNDS " & |
| "DIFFERENT FROM THOSE OF TYPE ACC5 - 2" ); |
| END IF; |
| EXCEPTION |
| WHEN CONSTRAINT_ERROR => |
| NULL; |
| WHEN OTHERS => |
| FAILED ( "WRONG EXCEPTION RAISED FOR DISC VALUES " & |
| "DIFFERENT FROM THOSE OF TYPE ACC5" ); |
| END; |
| |
| DECLARE |
| |
| PACKAGE PKG1 IS |
| TYPE REC (D : INTEGER) IS LIMITED PRIVATE; |
| TYPE ACC6 IS ACCESS REC; |
| SUBTYPE ACC6S IS ACC6 (IDENT_INT (6)); |
| |
| FUNCTION F RETURN ACC6; |
| PRIVATE |
| TYPE REC (D : INTEGER) IS |
| RECORD |
| NULL; |
| END RECORD; |
| END PKG1; |
| |
| PACKAGE BODY PKG1 IS |
| |
| FUNCTION F RETURN ACC6 IS |
| BEGIN |
| RETURN NEW REC'(D => IDENT_INT (5)); |
| END F; |
| |
| END PKG1; |
| |
| PACKAGE PKG2 IS END PKG2; |
| |
| PACKAGE BODY PKG2 IS |
| USE PKG1; |
| |
| A : ACC6; |
| |
| BEGIN |
| A := ACC6S'(F); |
| IF A = NULL THEN |
| FAILED ( "NO EXCEPTION RAISED FOR INDEX BOUNDS " & |
| "DIFFERENT FROM THOSE OF TYPE ACC6 - 1" ); |
| ELSE |
| FAILED ( "NO EXCEPTION RAISED FOR INDEX BOUNDS " & |
| "DIFFERENT FROM THOSE OF TYPE ACC6 - 2" ); |
| END IF; |
| EXCEPTION |
| WHEN CONSTRAINT_ERROR => |
| NULL; |
| WHEN OTHERS => |
| FAILED ( "WRONG EXCEPTION RAISED FOR DISC " & |
| "VALUES DIFFERENT FROM THOSE OF TYPE " & |
| "ACC6" ); |
| END PKG2; |
| |
| BEGIN |
| NULL; |
| END; |
| |
| RESULT; |
| END C47009A; |
