| /******************************************************************************* |
| * Copyright (c) 2000, 2011 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.jdt.internal.debug.eval.ast.instructions; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.jdt.debug.core.IJavaObject; |
| import org.eclipse.jdt.internal.debug.core.JDIDebugPlugin; |
| import org.eclipse.jdt.internal.debug.core.model.JDIObjectValue; |
| import org.eclipse.jdt.internal.debug.eval.ast.engine.IRuntimeContext; |
| |
| /** |
| * Pushes the 'this' object onto the stack. |
| */ |
| public class PushThis extends SimpleInstruction { |
| |
| private int fEnclosingLevel; |
| |
| public PushThis(int enclosingLevel) { |
| fEnclosingLevel = enclosingLevel; |
| } |
| |
| @Override |
| public void execute() throws CoreException { |
| IRuntimeContext context = getContext(); |
| IJavaObject thisInstance = context.getThis(); |
| if (thisInstance == null) { |
| // static context |
| push(context.getReceivingType()); |
| } else { |
| if (fEnclosingLevel != 0) { |
| thisInstance = ((JDIObjectValue) thisInstance) |
| .getEnclosingObject(fEnclosingLevel); |
| if (thisInstance == null) { |
| throw new CoreException( |
| new Status( |
| IStatus.ERROR, |
| JDIDebugPlugin.getUniqueIdentifier(), |
| IStatus.OK, |
| InstructionsEvaluationMessages.PushThis_Unable_to_retrieve_the_correct_enclosing_instance_of__this__2, |
| null)); |
| } |
| } |
| push(thisInstance); |
| } |
| } |
| |
| @Override |
| public String toString() { |
| return InstructionsEvaluationMessages.PushThis_push___this__1; |
| } |
| } |