org.eclipse.jdt.debug/eval/org/eclipse/jdt/internal/debug/eval/ast/instructions/PushArrayLength.java

/*******************************************************************************
 * Copyright (c) 2000, 2003 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-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.jdt.debug.core.IJavaArray;
 
/**
 * Pops an array object off the stack, and pushes its length.
 */
public class PushArrayLength extends CompoundInstruction {
	
	public PushArrayLength(int start) {
		super(start);
	}
	
	public void execute() throws CoreException {
		IJavaArray receiver= (IJavaArray)popValue();
		
		int length= receiver.getLength();
		pushNewValue(length);
	}
	
	public String toString() {
		return InstructionsEvaluationMessages.getString("PushArrayLength.push_array_length__1"); //$NON-NLS-1$
	}
}