antlr/runtime/CSharp/Antlr4.Runtime/ITokenFactory.cs

60 lines
2.7 KiB
C#

/*
* [The "BSD license"]
* Copyright (c) 2013 Terence Parr
* Copyright (c) 2013 Sam Harwell
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
using System;
using Antlr4.Runtime;
using Sharpen;
namespace Antlr4.Runtime
{
/// <summary>The default mechanism for creating tokens.</summary>
/// <remarks>
/// The default mechanism for creating tokens. It's used by default in Lexer and
/// the error handling strategy (to create missing tokens). Notifying the parser
/// of a new factory means that it notifies it's token source and error strategy.
/// </remarks>
public interface ITokenFactory
{
/// <summary>
/// This is the method used to create tokens in the lexer and in the
/// error handling strategy.
/// </summary>
/// <remarks>
/// This is the method used to create tokens in the lexer and in the
/// error handling strategy. If text!=null, than the start and stop positions
/// are wiped to -1 in the text override is set in the CommonToken.
/// </remarks>
IToken Create<_T0>(Tuple<_T0> source, int type, string text, int channel, int start
, int stop, int line, int charPositionInLine) where _T0:ITokenSource;
/// <summary>Generically useful</summary>
IToken Create(int type, string text);
}
}