| /******************************************************************************* |
| * Copyright (c) 2000, 2017 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.IJavaFieldVariable; |
| import org.eclipse.jdt.debug.core.IJavaObject; |
| import org.eclipse.jdt.debug.core.IJavaVariable; |
| import org.eclipse.jdt.internal.debug.core.JDIDebugPlugin; |
| import org.eclipse.jdt.internal.debug.core.model.JDIClassType; |
| import org.eclipse.jdt.internal.debug.core.model.JDINullValue; |
| import org.eclipse.jdt.internal.debug.core.model.JDIObjectValue; |
| import org.eclipse.jdt.internal.debug.eval.ast.engine.IRuntimeContext; |
| import org.eclipse.osgi.util.NLS; |
| |
| /** |
| * Pops an object off the stack, and pushes the value of one of its fields onto |
| * the stack. |
| */ |
| public class PushFieldVariable extends CompoundInstruction { |
| |
| private String fDeclaringTypeSignature; |
| |
| private String fName; |
| |
| private int fSuperClassLevel; |
| |
| public PushFieldVariable(String name, int superClassLevel, int start) { |
| super(start); |
| fName = name; |
| fSuperClassLevel = superClassLevel; |
| } |
| |
| public PushFieldVariable(String name, String declaringTypeSignature, |
| int start) { |
| super(start); |
| fName = name; |
| fDeclaringTypeSignature = declaringTypeSignature; |
| } |
| |
| @Override |
| public void execute() throws CoreException { |
| Object value = popValue(); |
| if (value instanceof JDINullValue) { |
| throw new CoreException(new Status(IStatus.ERROR, |
| JDIDebugPlugin.getUniqueIdentifier(), IStatus.OK, |
| InstructionsEvaluationMessages.PushFieldVariable_0, null)); |
| } |
| IJavaVariable field = null; |
| if (value instanceof JDIClassType ) { |
| field = ((JDIClassType) value).getField(fName); |
| } else if (value instanceof IJavaObject){ |
| IJavaObject receiver = (IJavaObject) value; |
| if (fDeclaringTypeSignature == null) { |
| field = ((JDIObjectValue) receiver).getField(fName, |
| fSuperClassLevel); |
| } else { |
| field = receiver.getField(fName, fDeclaringTypeSignature); |
| } |
| } |
| |
| if (field == null) { |
| // For anonymous classes, getting variables from outer class |
| IRuntimeContext context = getContext(); |
| final IJavaObject innerThis = context.getThis(); |
| if (null != innerThis) { |
| int i = fDeclaringTypeSignature.indexOf('$'); |
| if (i > 0) { |
| IJavaFieldVariable f = innerThis.getField(fName, false); |
| if (null != f) { |
| push(f); |
| return; |
| } |
| } |
| } |
| |
| throw new CoreException( |
| new Status( |
| IStatus.ERROR, |
| JDIDebugPlugin.getUniqueIdentifier(), |
| IStatus.OK, |
| NLS.bind(InstructionsEvaluationMessages.PushFieldVariable_Cannot_find_the_field__0__for_the_object__1__1, |
| new String[] { fName, |
| value.toString() }), |
| null)); // |
| } |
| push(field); |
| } |
| |
| @Override |
| public String toString() { |
| return NLS.bind(InstructionsEvaluationMessages.PushFieldVariable_push_field__0__2, |
| new String[] { fName }); |
| } |
| } |