/* * Copyright (c) 1997, 2008, Oracle and/or its affiliates. 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. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. *//* * The Original Code is HAT. The Initial Developer of the * Original Code is Bill Foote, with contributions from others * at JavaSoft/Sun. */package com.sun.tools.hat.internal.model;import com.sun.tools.hat.internal.util.Misc;/** * A forward reference to an object. This is an intermediate representation * for a JavaThing, when we have the thing's ID, but we might not have read * the thing yet. * * @author Bill Foote */public class JavaObjectRef extends JavaThing { private long id; public JavaObjectRef(long id) { this.id = id; } public long getId() { return id; } public boolean isHeapAllocated() { return true; } public JavaThing dereference(Snapshot snapshot, JavaField field) { return dereference(snapshot, field, true); } public JavaThing dereference(Snapshot snapshot, JavaField field, boolean verbose) { if (field != null && !field.hasId()) { // If this happens, we must be a field that represents an int. // (This only happens with .bod-style files) return new JavaLong(id); } if (id == 0) { return snapshot.getNullThing(); } JavaThing result = snapshot.findThing(id); if (result == null) { if (!snapshot.getUnresolvedObjectsOK() && verbose) { String msg = "WARNING: Failed to resolve object id " + Misc.toHex(id); if (field != null) { msg += " for field " + field.getName() + " (signature " + field.getSignature() + ")"; } System.out.println(msg); // Thread.dumpStack(); } result = new HackJavaValue("Unresolved object " + Misc.toHex(id), 0); } return result; } public int getSize() { return 0; } public String toString() { return "Unresolved object " + Misc.toHex(id); }}
/*
* Copyright (c) 1997, 2008, Oracle and/or its affiliates. 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* The Original Code is HAT. The Initial Developer of the
* Original Code is Bill Foote, with contributions from others
* at JavaSoft/Sun.
*/
package com.sun.tools.hat.internal.model;
import com.sun.tools.hat.internal.util.Misc;
/**
* A forward reference to an object. This is an intermediate representation
* for a JavaThing, when we have the thing's ID, but we might not have read
* the thing yet.
*
* @author Bill Foote
*/
public class JavaObjectRef extends JavaThing {
private long id;
public JavaObjectRef(long id) {
this.id = id;
}
public long getId() {
return id;
}
public boolean isHeapAllocated() {
return true;
}
public JavaThing dereference(Snapshot snapshot, JavaField field) {
return dereference(snapshot, field, true);
}
public JavaThing dereference(Snapshot snapshot, JavaField field, boolean verbose) {
if (field != null && !field.hasId()) {
// If this happens, we must be a field that represents an int.
// (This only happens with .bod-style files)
return new JavaLong(id);
}
if (id == 0) {
return snapshot.getNullThing();
}
JavaThing result = snapshot.findThing(id);
if (result == null) {
if (!snapshot.getUnresolvedObjectsOK() && verbose) {
String msg = "WARNING: Failed to resolve object id "
+ Misc.toHex(id);
if (field != null) {
msg += " for field " + field.getName()
+ " (signature " + field.getSignature() + ")";
}
System.out.println(msg);
// Thread.dumpStack();
}
result = new HackJavaValue("Unresolved object "
+ Misc.toHex(id), 0);
}
return result;
}
public int getSize() {
return 0;
}
public String toString() {
return "Unresolved object " + Misc.toHex(id);
}
}