/*
 * Copyright (c) 2011, IETR/INSA of Rennes
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 *   * Redistributions of source code must retain the above copyright notice,
 *     this list of conditions and the following disclaimer.
 *   * Redistributions in binary form must reproduce the above copyright notice,
 *     this list of conditions and the following disclaimer in the documentation
 *     and/or other materials provided with the distribution.
 *   * Neither the name of the IETR/INSA of Rennes nor the names of its
 *     contributors may be used to endorse or promote products derived from this
 *     software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
 * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */
package net.sf.orcc.tools.classifier.smt;

import java.util.ArrayList;
import java.util.List;

import net.sf.orcc.ir.Var;

/**
 * This class defines a SMT-LIB script expressed using .
 * 
 * @author Matthieu Wipliez
 * 
 */
public class SmtScript {

	private List<String> commands;

	private List<Var> variables;

	public SmtScript() {
	}

	/**
	 * Adds the given command to the list of commands.
	 * 
	 * @param command
	 *            a command
	 */
	public void addCommand(String command) {
		getCommands().add(command);
	}

	/**
	 * Returns the list of commands of this script.
	 * 
	 * @return the list of commands of this script
	 */
	public List<String> getCommands() {
		if (commands == null) {
			commands = new ArrayList<String>();
		}

		return commands;
	}

	/**
	 * Returns the list of variables defined by this script.
	 * 
	 * @return the list of variables defined by this script
	 */
	public List<Var> getVariables() {
		if (variables == null) {
			variables = new ArrayList<Var>();
		}

		return variables;
	}

}