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1 /*
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2 * Copyright 2004 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 package sun.jvm.hotspot.ui.tree;
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26
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27 import java.io.*;
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28 import sun.jvm.hotspot.debugger.*;
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29 import sun.jvm.hotspot.oops.*;
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30
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31 /** Simple wrapper for displaying bad addresses in the Inspector */
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32
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33 public class BadAddressTreeNodeAdapter extends FieldTreeNodeAdapter {
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34 private boolean usingAddress;
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35 private Address addr;
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36 private long addrValue;
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37
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38 public BadAddressTreeNodeAdapter(Address addr, FieldIdentifier id) {
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39 this(addr, id, false);
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40 }
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41
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42 /** The address may be null (for address fields of structures which
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43 are null); the FieldIdentifier may also be null (for the root
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44 node). */
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45 public BadAddressTreeNodeAdapter(Address addr, FieldIdentifier id, boolean treeTableMode) {
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46 super(id, treeTableMode);
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47 this.addr = addr;
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48 usingAddress = true;
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49 }
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50
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51 public BadAddressTreeNodeAdapter(long addr, FieldIdentifier id) {
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52 this(addr, id, false);
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53 }
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54
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55 /** He FieldIdentifier may be null (for the root node). */
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56 public BadAddressTreeNodeAdapter(long addrValue, FieldIdentifier id, boolean treeTableMode) {
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57 super(id, treeTableMode);
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58 this.addrValue = addrValue;
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59 usingAddress = false;
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60 }
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61
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62 public int getChildCount() {
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63 return 0;
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64 }
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65
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66 public SimpleTreeNode getChild(int index) {
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67 throw new RuntimeException("Should not call this");
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68 }
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69
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70 public boolean isLeaf() {
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71 return true;
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72 }
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73
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74 public int getIndexOfChild(SimpleTreeNode child) {
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75 throw new RuntimeException("Should not call this");
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76 }
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77
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78 public String getValue() {
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79 // FIXME: should have this better factored to not have to replicate this code
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80 String addrString = null;
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81 if (usingAddress) {
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82 if (addr == null) {
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83 addrString = "0x0";
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84 } else {
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85 addrString = addr.toString();
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86 }
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87 } else {
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88 addrString = "0x" + Long.toHexString(addrValue);
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89 }
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90 return "** BAD ADDRESS " + addrString + " **";
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91 }
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92 }
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