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// bsn GoldParser .NET Engine
// --------------------------
//
// Copyright 2009, 2010 by Ars�ne von Wyss - avw@gmx.ch
//
// Development has been supported by Sirius Technologies AG, Basel
//
// Source:
//
// https://bsn-goldparser.googlecode.com/hg/
//
// License:
//
// The library is distributed under the GNU Lesser General Public License:
// http://www.gnu.org/licenses/lgpl.html
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
using System;
using bsn.GoldParser.Grammar;
namespace bsn.GoldParser.Parser {
/// <summary>
/// The <c>Token</c> class is the non-generic base class for tokens in the AST (abstract syntax tree).
/// </summary>
public abstract class Token: IToken {
public virtual string Text {
get {
return string.Empty;
}
}
/// <summary>
/// Gets the symbol associated with this token.
/// </summary>
/// <value>The parent symbol.</value>
public abstract Symbol Symbol {
get;
}
/// <summary>
/// Gets the line number where this token begins.
/// </summary>
/// <value>The line number and position.</value>
public abstract LineInfo Position {
get;
}
public bool NameIs(string name) {
if (name == null) {
throw new ArgumentNullException("name");
}
Symbol symbol = Symbol;
return (symbol != null) && name.Equals(symbol.Name, StringComparison.Ordinal);
}
}
}
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