| /******************************************************************************* |
| * Copyright (c) 2000, 2012 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * 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.debug.core.IJavaType; |
| import org.eclipse.jdt.debug.core.IJavaValue; |
| import org.eclipse.jdt.internal.debug.core.JDIDebugPlugin; |
| import org.eclipse.jdt.internal.debug.core.model.JDINullValue; |
| import org.eclipse.osgi.util.NLS; |
| |
| public class InstanceOfOperator extends CompoundInstruction { |
| public static final String IS_INSTANCE = "isInstance"; //$NON-NLS-1$ |
| public static final String IS_INSTANCE_SIGNATURE = "(Ljava/lang/Object;)Z"; //$NON-NLS-1$ |
| |
| public InstanceOfOperator(int start) { |
| super(start); |
| } |
| |
| /* |
| * @see Instruction#execute() |
| */ |
| @Override |
| public void execute() throws CoreException { |
| IJavaType type = (IJavaType) pop(); |
| IJavaValue value = popValue(); |
| if (value instanceof JDINullValue) { |
| pushNewValue(false); |
| return; |
| } |
| IJavaObject object = (IJavaObject) value; |
| |
| IJavaObject classObject = getClassObject(type); |
| if (classObject == null) { |
| throw new CoreException( |
| new Status( |
| IStatus.ERROR, |
| JDIDebugPlugin.getUniqueIdentifier(), |
| IStatus.OK, |
| NLS.bind(InstructionsEvaluationMessages.InstanceOfOperator_No_class_object, |
| new String[] { type.getName() }), |
| null)); |
| } |
| push(classObject.sendMessage(IS_INSTANCE, IS_INSTANCE_SIGNATURE, |
| new IJavaValue[] { object }, getContext().getThread(), false)); |
| } |
| |
| @Override |
| public String toString() { |
| return InstructionsEvaluationMessages.InstanceOfOperator__instanceof___operator_3; |
| } |
| |
| } |