bundles/org.eclipse.e4.languages.javascript.debug/src/org/eclipse/e4/languages/javascript/rhino/jsdi/ObjectReferenceImpl.java

/*******************************************************************************
 * Copyright (c) 2009 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.e4.languages.javascript.rhino.jsdi;

import java.util.Map;

import org.eclipse.e4.languages.javascript.jsdi.FunctionReference;
import org.eclipse.e4.languages.javascript.jsdi.ObjectReference;

/**
 * Rhino object value implementation
 * 
 * @since 1.0
 */
public class ObjectReferenceImpl extends PropertiesReferenceImpl implements ObjectReference {

	private final String className;
	private final Number constructorRef;
	private final Number prototypeRef;

	public ObjectReferenceImpl(VirtualMachineImpl vm, Map body, StackFrameImpl frame) {
		super(vm, body, frame);
		this.className = (String) body.get("className");
		this.constructorRef = (Number) ((Map) body.get("constructorFunction")).get("ref");
		this.prototypeRef = (Number) ((Map) body.get("prototypeObject")).get("ref");
	}

	public String className() {
		return this.className;
	}

	public FunctionReference constructor() {
		return (FunctionReference) frame.lookupValue(constructorRef);
	}

	public ObjectReference prototype() {
		return (ObjectReference) frame.lookupValue(prototypeRef);
	}

	public String getValueTypeName() {
		return "object";
	}
}