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comparison agent/src/share/classes/sun/jvm/hotspot/types/basic/BasicJIntField.java @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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1 /*
2 * Copyright 2000 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 package sun.jvm.hotspot.types.basic;
26
27 import sun.jvm.hotspot.debugger.*;
28 import sun.jvm.hotspot.types.*;
29
30 /** A specialization of Field which represents a field containing a
31 Java int value (in either a C/C++ data structure or a Java
32 object) and which adds typechecked getValue() routines returning
33 ints. */
34
35 public class BasicJIntField extends BasicField implements JIntField {
36 public BasicJIntField(BasicTypeDataBase db, Type containingType, String name, Type type,
37 boolean isStatic, long offset, Address staticFieldAddress) {
38 super(db, containingType, name, type, isStatic, offset, staticFieldAddress);
39
40 if (!type.equals(db.getJIntType())) {
41 throw new WrongTypeException("Type of a BasicJIntField must be equal to TypeDataBase.getJIntType()");
42 }
43 }
44
45 /** The field must be nonstatic and the type of the field must be a
46 Java int, or a WrongTypeException will be thrown. */
47 public int getValue(Address addr) throws UnmappedAddressException, UnalignedAddressException, WrongTypeException {
48 return getJInt(addr);
49 }
50
51 /** The field must be static and the type of the field must be a
52 Java int, or a WrongTypeException will be thrown. */
53 public int getValue() throws UnmappedAddressException, UnalignedAddressException, WrongTypeException {
54 return getJInt();
55 }
56 }