| /******************************************************************************* |
| * Copyright (c) 2010 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.wst.jsdt.debug.internal.crossfire.jsdi; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| |
| import org.eclipse.wst.jsdt.debug.core.jsdi.ObjectReference; |
| import org.eclipse.wst.jsdt.debug.core.jsdi.StackFrame; |
| import org.eclipse.wst.jsdt.debug.core.jsdi.Value; |
| import org.eclipse.wst.jsdt.debug.internal.crossfire.transport.Attributes; |
| |
| /** |
| * Default implementation of {@link ObjectReference} for Crossfire |
| * |
| * @since 1.0 |
| */ |
| public class CFObjectReference extends CFMirror implements ObjectReference { |
| |
| /** |
| * The "type" of this mirror element |
| */ |
| public static final String OBJECT = "object"; //$NON-NLS-1$ |
| |
| private CFStackFrame frame = null; |
| private String classname = null; |
| private Number handle = null; |
| private Number constref = null; |
| private Number protoref = null; |
| private Value constructor = null; |
| private Value prototype = null; |
| private List properties = null; |
| private String source = null; |
| |
| /** |
| * Constructor |
| * @param vm |
| * @param frame |
| * @param body |
| */ |
| public CFObjectReference(CFVirtualMachine vm, CFStackFrame frame, Map body) { |
| super(vm); |
| this.frame = frame; |
| handle = (Number) body.get(Attributes.HANDLE); |
| source = (String) body.get(Attributes.SOURCE); |
| //init properties - we are dealing with evaluation results |
| Map props = (Map) body.get(Attributes.RESULT); |
| if(props == null) { |
| Object o = body.get(Attributes.VALUE); |
| if(o instanceof Map) { |
| props = (Map) body.get(Attributes.VALUE); |
| } |
| else if(this.handle == null) { |
| props = body; |
| } |
| } |
| if(props != null) { |
| if(properties == null) { |
| properties = new ArrayList(props.size()); |
| } |
| Entry entry = null; |
| String name = null; |
| Map json = null; |
| Number ref = null; |
| for(Iterator i = props.entrySet().iterator(); i.hasNext();) { |
| entry = (Entry) i.next(); |
| name = (String)entry.getKey(); |
| if(entry.getValue() instanceof Map) { |
| json = (Map) entry.getValue(); |
| ref = (Number) json.get(Attributes.HANDLE); |
| //don't add constructor and proto to the properties heap |
| //they are requested specially |
| if(Attributes.CONSTRUCTOR.equals(name)) { |
| constref = ref; |
| continue; |
| } |
| else if(Attributes.PROTO.equals(name)) { |
| protoref = ref; |
| continue; |
| } |
| } |
| properties.add(new CFVariable(crossfire(), frame, name, ref, json)); |
| } |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.wst.jsdt.debug.core.jsdi.Value#valueString() |
| */ |
| public String valueString() { |
| if(source != null) { |
| return source; |
| } |
| return OBJECT; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.wst.jsdt.debug.core.jsdi.ObjectReference#className() |
| */ |
| public String className() { |
| return classname; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.wst.jsdt.debug.core.jsdi.ObjectReference#constructor() |
| */ |
| public Value constructor() { |
| synchronized (frame) { |
| if(constructor == null) { |
| if(constref == null) { |
| constructor = crossfire().mirrorOfUndefined(); |
| } |
| constructor = frame.lookup(constref); |
| } |
| } |
| return constructor; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.wst.jsdt.debug.core.jsdi.ObjectReference#prototype() |
| */ |
| public Value prototype() { |
| synchronized (frame) { |
| if(prototype == null) { |
| if(protoref == null) { |
| prototype = crossfire().mirrorOfUndefined(); |
| } |
| prototype = frame.lookup(protoref); |
| } |
| } |
| return prototype; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.wst.jsdt.debug.core.jsdi.ObjectReference#properties() |
| */ |
| public List properties() { |
| return properties; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.wst.jsdt.debug.core.jsdi.ObjectReference#id() |
| */ |
| public Number id() { |
| return handle; |
| } |
| |
| /** |
| * @return the backing {@link StackFrame} |
| */ |
| protected CFStackFrame frame() { |
| return this.frame; |
| } |
| |
| /** |
| * @return the source for the body of the object, or <code>null</code> |
| */ |
| protected String source() { |
| return this.source; |
| } |
| } |