1 /* 2 * Copyright 2000-2008 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.oops; 26 27 import java.io.*; 28 29 public class OopPrinter implements OopVisitor { 30 public OopPrinter(PrintStream tty) { 31 this.tty = tty; 32 } 33 34 PrintStream tty; 35 36 public void prologue() { 37 Oop.printOopValueOn(getObj(), tty); 38 tty.println(" (object size = " + getObj().getObjectSize() + ")"); 39 } 40 41 public void epilogue() { 42 tty.println(); 43 } 44 45 46 private Oop obj; 47 public void setObj(Oop obj) { this.obj = obj; } 48 public Oop getObj() { return obj; } 49 50 51 private void printField(Field field) { 52 field.printOn(tty); 53 } 54 55 public void doOop(OopField field, boolean isVMField) { 56 printField(field); 57 Oop.printOopValueOn(field.getValue(getObj()), tty); 58 tty.println(); 59 } 60 61 public void doOop(NarrowOopField field, boolean isVMField) { 62 printField(field); 63 Oop.printOopValueOn(field.getValue(getObj()), tty); 64 tty.println(); 65 } 66 67 public void doChar(CharField field, boolean isVMField) { 68 printField(field); 69 char c = field.getValue(getObj()); 70 // Fix me: not yet complete 71 if (Character.isLetterOrDigit(c)) tty.println(c); 72 else tty.println((int)c); 73 } 74 public void doByte(ByteField field, boolean isVMField) { 75 printField(field); 76 tty.println(field.getValue(getObj())); 77 } 78 public void doBoolean(BooleanField field, boolean isVMField) { 79 printField(field); 80 tty.println(field.getValue(getObj())); 81 } 82 public void doShort(ShortField field, boolean isVMField) { 83 printField(field); 84 tty.println(field.getValue(getObj())); 85 } 86 public void doInt(IntField field, boolean isVMField) { 87 printField(field); 88 tty.println(field.getValue(getObj())); 89 } 90 public void doLong(LongField field, boolean isVMField) { 91 printField(field); 92 tty.println(field.getValue(getObj())); 93 } 94 public void doFloat(FloatField field, boolean isVMField) { 95 printField(field); 96 tty.println(field.getValue(getObj())); 97 } 98 public void doDouble(DoubleField field, boolean isVMField) { 99 printField(field); 100 tty.println(field.getValue(getObj())); 101 } 102 public void doCInt(CIntField field, boolean isVMField) { 103 printField(field); 104 tty.println(field.getValue(getObj())); 105 } 106 }