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1 /*
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2 * Copyright 2000-2006 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.oops;
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26
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27 import java.io.*;
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28
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29 public class OopPrinter implements OopVisitor {
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30 public OopPrinter(PrintStream tty) {
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31 this.tty = tty;
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32 }
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33
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34 PrintStream tty;
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35
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36 public void prologue() {
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37 Oop.printOopValueOn(getObj(), tty);
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38 tty.println(" (object size = " + getObj().getObjectSize() + ")");
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39 }
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40
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41 public void epilogue() {
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42 tty.println();
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43 }
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44
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45
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46 private Oop obj;
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47 public void setObj(Oop obj) { this.obj = obj; }
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48 public Oop getObj() { return obj; }
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49
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50
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51 private void printField(Field field) {
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52 field.printOn(tty);
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53 }
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54
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55 public void doOop(OopField field, boolean isVMField) {
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56 printField(field);
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57 Oop.printOopValueOn(field.getValue(getObj()), tty);
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58 tty.println();
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59 }
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60 public void doChar(CharField field, boolean isVMField) {
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61 printField(field);
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62 char c = field.getValue(getObj());
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63 // Fix me: not yet complete
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64 if (Character.isLetterOrDigit(c)) tty.println(c);
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65 else tty.println((int)c);
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66 }
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67 public void doByte(ByteField field, boolean isVMField) {
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68 printField(field);
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69 tty.println(field.getValue(getObj()));
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70 }
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71 public void doBoolean(BooleanField field, boolean isVMField) {
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72 printField(field);
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73 tty.println(field.getValue(getObj()));
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74 }
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75 public void doShort(ShortField field, boolean isVMField) {
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76 printField(field);
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77 tty.println(field.getValue(getObj()));
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78 }
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79 public void doInt(IntField field, boolean isVMField) {
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80 printField(field);
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81 tty.println(field.getValue(getObj()));
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82 }
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83 public void doLong(LongField field, boolean isVMField) {
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84 printField(field);
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85 tty.println(field.getValue(getObj()));
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86 }
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87 public void doFloat(FloatField field, boolean isVMField) {
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88 printField(field);
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89 tty.println(field.getValue(getObj()));
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90 }
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91 public void doDouble(DoubleField field, boolean isVMField) {
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92 printField(field);
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93 tty.println(field.getValue(getObj()));
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94 }
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95 public void doCInt(CIntField field, boolean isVMField) {
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96 printField(field);
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97 tty.println(field.getValue(getObj()));
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98 }
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99 }
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