1/*
2 * Copyright (c) 2000, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25package sun.jvm.hotspot.types.basic;
26
27import sun.jvm.hotspot.debugger.*;
28import sun.jvm.hotspot.types.*;
29
30/** A specialization of Field which represents a field containing a
31    Java double value (in either a C/C++ data structure or a Java
32    object) and which adds typechecked getValue() routines returning
33    doubles. */
34
35public class BasicJDoubleField extends BasicField implements JDoubleField {
36  public BasicJDoubleField(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.getJDoubleType())) {
41      throw new WrongTypeException("Type of a BasicJDoubleField must be equal to TypeDataBase.getJDoubleType()");
42    }
43  }
44
45  /** The field must be nonstatic and the type of the field must be a
46      Java double, or a WrongTypeException will be thrown. */
47  public double getValue(Address addr) throws UnmappedAddressException, UnalignedAddressException, WrongTypeException {
48    return getJDouble(addr);
49  }
50
51  /** The field must be static and the type of the field must be a
52      Java double, or a WrongTypeException will be thrown. */
53  public double getValue() throws UnmappedAddressException, UnalignedAddressException, WrongTypeException {
54    return getJDouble();
55  }
56}
57