// Copyright (C) 2003, 2005 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: ParseException.cs,v 1.3 2007-12-27 08:34:39 panacoran Exp $

using System;

namespace Protra.Lib.Lang
{
	/// <summary>
	/// 文脈解析中のエラー時にthrowされる例外です。
	/// </summary>
	public class ParseException : Exception
	{
		/// <summary>
		/// エラーが発生した場所のトークン
		/// </summary>
		private ContextToken contextToken;

		/// <summary>
		/// コンストラクタ
		/// </summary>
		/// <param name="msg">メッセージ</param>
		/// <param name="contextToken">エラーが発生した場所のトークン</param>
		public ParseException(string msg, ContextToken contextToken) : base(msg)
		{
			this.contextToken = contextToken;
		}

		/// <summary>
		/// エラーが発生した場所のトークンを取得または設定します。
		/// </summary>
		public ContextToken ContextToken 
		{
			get { return this.contextToken; }
			set { this.ContextToken = value; }
		}
	}
}
