blob: 97026209dfcddf277e7cdd46a809d5ad54648e67 [file] [log] [blame]
/*******************************************************************************
* Copyright (c) 2005, 2011 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;
/**
* Duplicate the top element of the stack and put in it behind the second
* element of the stack.
*
* Element1 Element2 ...
*
* ->
*
* Element1 Element2 Element3 ...
*
*/
public class DupX1 extends SimpleInstruction {
/*
* (non-Javadoc)
*
* @see
* org.eclipse.jdt.internal.debug.eval.ast.instructions.Instruction#execute
* ()
*/
@Override
public void execute() throws CoreException {
Object element1 = pop();
Object element2 = pop();
push(element1);
push(element2);
push(element1);
}
}