/*
* This file is part of the Jikes RVM project (http://jikesrvm.org).
*
* This file is licensed to You under the Eclipse Public License (EPL);
* You may not use this file except in compliance with the License. You
* may obtain a copy of the License at
*
* http://www.opensource.org/licenses/eclipse-1.0.php
*
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership.
*/
package org.mmtk.harness.sanity;
import org.vmmagic.unboxed.Address;
import org.vmmagic.unboxed.ObjectReference;
/**
* Interface to visitor objects for the sanity traversal mechanism
*/
interface HeapVisitor {
/**
* Called once each time a heap object is reached
* @param object The live object
* @param root Was the referring pointer a root ?
* @param marked Was the object marked prior to this visit (ie is this a second or later visit)
*/
void visitObject(ObjectReference object, boolean root, boolean marked);
/**
* Called once for every non-null pointer
* @param source Source object
* @param slot Slot in the source object
* @param target Target object
*/
void visitPointer(ObjectReference source, Address slot, ObjectReference target);
}