| /* |
| * Copyright 2001 Sun Microsystems, Inc. All Rights Reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| * |
| */ |
| |
| package sun.jvm.hotspot.bugspot.tree; |
| |
| import java.io.*; |
| import sun.jvm.hotspot.debugger.*; |
| import sun.jvm.hotspot.debugger.cdbg.*; |
| import sun.jvm.hotspot.ui.tree.SimpleTreeNode; |
| |
| /** An adapter class which allows C/C++ objects to be displayed in a |
| tree via the SimpleTreeNode interface. */ |
| |
| public class ObjectTreeNodeAdapter extends FieldTreeNodeAdapter { |
| // Address of object |
| private Address addr; |
| |
| /** The address may be null (for object fields of objcets which are |
| null). The FieldIdentifier should not be null. treeTableMode |
| defaults to false. */ |
| public ObjectTreeNodeAdapter(Address addr, FieldIdentifier id) { |
| this(addr, id, false); |
| } |
| |
| /** The address may be null (for object fields of objcets which are |
| null). The FieldIdentifier should not be null. */ |
| public ObjectTreeNodeAdapter(Address addr, FieldIdentifier id, boolean treeTableMode) { |
| super(id, treeTableMode); |
| this.addr = addr; |
| } |
| |
| public int getChildCount() { |
| if (addr == null) { |
| return 0; |
| } |
| |
| Counter c = new Counter(); |
| getType().iterateObject(addr, c); |
| return c.getNumFields(); |
| } |
| |
| public SimpleTreeNode getChild(int index) { |
| if (addr == null) { |
| return null; |
| } |
| |
| Fetcher f = new Fetcher(index); |
| getType().iterateObject(addr, f); |
| return f.getChild(); |
| } |
| |
| public boolean isLeaf() { |
| return (addr == null); |
| } |
| |
| public int getIndexOfChild(SimpleTreeNode child) { |
| FieldIdentifier id = ((FieldTreeNodeAdapter) child).getID(); |
| Finder f = new Finder(id); |
| getType().iterateObject(addr, f); |
| return f.getIndex(); |
| } |
| |
| public String getValue() { |
| if (addr != null) { |
| return addr.toString(); |
| } |
| return "NULL"; |
| } |
| |
| /** Should be used only once, then have the number of fields |
| fetched. */ |
| static class Counter extends DefaultObjectVisitor { |
| private int numFields; |
| |
| public int getNumFields() { |
| return numFields; |
| } |
| |
| public void doBit(FieldIdentifier f, long val) { ++numFields; } |
| public void doInt(FieldIdentifier f, long val) { ++numFields; } |
| public void doEnum(FieldIdentifier f, long val, String enumName) { ++numFields; } |
| public void doFloat(FieldIdentifier f, float val) { ++numFields; } |
| public void doDouble(FieldIdentifier f, double val) { ++numFields; } |
| public void doPointer(FieldIdentifier f, Address val) { ++numFields; } |
| public void doArray(FieldIdentifier f, Address val) { ++numFields; } |
| public void doRef(FieldIdentifier f, Address val) { ++numFields; } |
| public void doCompound(FieldIdentifier f, Address addr) { ++numFields; } |
| } |
| |
| /** Creates a new SimpleTreeNode for the given field. */ |
| class Fetcher extends DefaultObjectVisitor { |
| private int index; |
| private int curField; |
| private SimpleTreeNode child; |
| |
| public Fetcher(int index) { |
| this.index = index; |
| } |
| |
| public SimpleTreeNode getChild() { |
| return child; |
| } |
| |
| public void doBit(FieldIdentifier f, long val) { |
| if (curField == index) { |
| child = new LongTreeNodeAdapter(val, f, getTreeTableMode()); |
| } |
| ++curField; |
| } |
| |
| public void doInt(FieldIdentifier f, long val) { |
| if (curField == index) { |
| child = new LongTreeNodeAdapter(val, f, getTreeTableMode()); |
| } |
| ++curField; |
| } |
| |
| public void doEnum(FieldIdentifier f, long val, String enumName) { |
| if (curField == index) { |
| child = new EnumTreeNodeAdapter(enumName, val, f, getTreeTableMode()); |
| } |
| ++curField; |
| } |
| |
| public void doFloat(FieldIdentifier f, float val) { |
| if (curField == index) { |
| child = new FloatTreeNodeAdapter(val, f, getTreeTableMode()); |
| } |
| ++curField; |
| } |
| |
| public void doDouble(FieldIdentifier f, double val) { |
| if (curField == index) { |
| child = new DoubleTreeNodeAdapter(val, f, getTreeTableMode()); |
| } |
| ++curField; |
| } |
| |
| public void doPointer(FieldIdentifier f, Address val) { |
| if (curField == index) { |
| child = new AddressTreeNodeAdapter(val, f, getTreeTableMode()); |
| } |
| ++curField; |
| } |
| |
| public void doArray(FieldIdentifier f, Address val) { |
| if (curField == index) { |
| child = new AddressTreeNodeAdapter(val, f, getTreeTableMode()); |
| } |
| ++curField; |
| } |
| |
| public void doRef(FieldIdentifier f, Address val) { |
| if (curField == index) { |
| child = new AddressTreeNodeAdapter(val, f, getTreeTableMode()); |
| } |
| ++curField; |
| } |
| |
| public void doCompound(FieldIdentifier f, Address val) { |
| if (curField == index) { |
| child = new ObjectTreeNodeAdapter(val, f, getTreeTableMode()); |
| } |
| ++curField; |
| } |
| } |
| |
| /** Finds the index of the given FieldIdentifier. */ |
| static class Finder extends DefaultObjectVisitor { |
| private FieldIdentifier id; |
| private int curField; |
| private int index = -1; |
| |
| public Finder(FieldIdentifier id) { |
| this.id = id; |
| } |
| |
| /** Returns -1 if not found */ |
| public int getIndex() { |
| return index; |
| } |
| |
| public void doBit(FieldIdentifier f, long val) { if (f.equals(id)) { index = curField; } ++curField; } |
| public void doInt(FieldIdentifier f, long val) { if (f.equals(id)) { index = curField; } ++curField; } |
| public void doEnum(FieldIdentifier f, long val, |
| String enumName) { if (f.equals(id)) { index = curField; } ++curField; } |
| public void doFloat(FieldIdentifier f, float val) { if (f.equals(id)) { index = curField; } ++curField; } |
| public void doDouble(FieldIdentifier f, double val) { if (f.equals(id)) { index = curField; } ++curField; } |
| public void doPointer(FieldIdentifier f, Address val) { if (f.equals(id)) { index = curField; } ++curField; } |
| public void doArray(FieldIdentifier f, Address val) { if (f.equals(id)) { index = curField; } ++curField; } |
| public void doRef(FieldIdentifier f, Address val) { if (f.equals(id)) { index = curField; } ++curField; } |
| public void doCompound(FieldIdentifier f, |
| Address val) { if (f.equals(id)) { index = curField; } ++curField; } |
| } |
| } |