// Copyright (C) 2003 Daisuke Arai <darai@users.sourceforge.jp>
// 
// This program is part of Protra.
//
// Protra is free software: you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, see <http://www.gnu.org/licenses/>.
// 
// $Id: IExecuterFactory.cs,v 1.2 2007-12-27 08:34:39 panacoran Exp $

using System;

namespace Protra.Lib.Lang
{
	/// <summary>
	/// IExecuterを生成するFactoryのインターフェースです。
	/// </summary>
	public interface IExecuterFactory
	{
		/// <summary>
		/// IExecuterを生成します。
		/// </summary>
		/// <exception cref="Protra.Lib.Lang.NoSuchExecuterException">
		/// IExecuterが存在しない場合にthrowされます。
		/// </exception>
		/// <param name="ft">関数のタイプ</param>
		/// <returns>関数を実行するIExcecuterです。</returns>
		IExecuter CreateExecuter(FunctionType ft);
	}

	/// <summary>
	/// IExecuterFactoryがIExecuter生成に失敗した場合にthrowされます。
	/// </summary>
	public class NoSuchExecuterException : Exception {}
}
