debug/org.eclipse.ptp.debug.sdm.core/src/org/eclipse/ptp/debug/external/core/commands/DataEvaluateExpressionCommand.java

/*******************************************************************************
 * Copyright (c) 2005 The Regents of the University of California. 
 * This material was produced under U.S. Government contract W-7405-ENG-36 
 * for Los Alamos National Laboratory, which is operated by the University 
 * of California for the U.S. Department of Energy. The U.S. Government has 
 * rights to use, reproduce, and distribute this software. NEITHER THE 
 * GOVERNMENT NOR THE UNIVERSITY MAKES ANY WARRANTY, EXPRESS OR IMPLIED, OR 
 * ASSUMES ANY LIABILITY FOR THE USE OF THIS SOFTWARE. If software is modified 
 * to produce derivative works, such modified software should be clearly marked, 
 * so as not to confuse it with the version available from LANL.
 * 
 * Additionally, 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
 * 
 * LA-CC 04-115
 *******************************************************************************/
package org.eclipse.ptp.debug.external.core.commands;

import org.eclipse.ptp.core.util.BitList;
import org.eclipse.ptp.debug.core.IAbstractDebugger;
import org.eclipse.ptp.debug.core.cdi.PCDIException;
import org.eclipse.ptp.debug.external.core.proxy.event.ProxyDebugDataExpValueEvent;

/**
 * @author Clement chu
 * 
 */
public class DataEvaluateExpressionCommand extends AbstractDebugCommand {
	private String expression = "";
	
	public DataEvaluateExpressionCommand(BitList tasks, String expression) {
		super(tasks);
		setPriority(PRIORITY_L);
		this.expression = expression;
	}
	public void preExecCommand(IAbstractDebugger debugger) throws PCDIException {
		exec(debugger);
	}
	public void exec(IAbstractDebugger debugger) throws PCDIException {
		debugger.dataEvaluateExpression(tasks, expression);
	}
	public String getExpressionValue() throws PCDIException {
		Object res = getResultValue();
		if (res instanceof ProxyDebugDataExpValueEvent) {
			return ((ProxyDebugDataExpValueEvent)res).getValue();
		}
		return "";
	}
	public String getCommandName() {
		return "Data Evaluate expression: " + expression; 
	}
}