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/* Copyright (c) 2012-2017 The ANTLR Project. All rights reserved.
* Use of this file is governed by the BSD 3-clause license that
* can be found in the LICENSE.txt file in the project root.
*/
using Antlr4.Runtime.Sharpen;
namespace Antlr4.Runtime.Dfa
{
/// <summary>
/// Stores information about a
/// <see cref="DFAState"/>
/// which is an accept state under
/// some condition. Certain settings, such as
/// <see cref="Antlr4.Runtime.Atn.ParserATNSimulator.PredictionMode()"/>
/// , may be used in addition to
/// this information to determine whether or not a particular state is an accept
/// state.
/// </summary>
/// <author>Sam Harwell</author>
public class AcceptStateInfo
{
private readonly int prediction;
private readonly Antlr4.Runtime.Atn.LexerActionExecutor lexerActionExecutor;
public AcceptStateInfo(int prediction)
{
this.prediction = prediction;
this.lexerActionExecutor = null;
}
public AcceptStateInfo(int prediction, Antlr4.Runtime.Atn.LexerActionExecutor lexerActionExecutor)
{
this.prediction = prediction;
this.lexerActionExecutor = lexerActionExecutor;
}
/// <summary>Gets the prediction made by this accept state.</summary>
/// <remarks>
/// Gets the prediction made by this accept state. Note that this value
/// assumes the predicates, if any, in the
/// <see cref="DFAState"/>
/// evaluate to
/// <see langword="true"/>
/// . If predicate evaluation is enabled, the final prediction of
/// the accept state will be determined by the result of predicate
/// evaluation.
/// </remarks>
public virtual int Prediction
{
get
{
return prediction;
}
}
/// <summary>
/// Gets the
/// <see cref="Antlr4.Runtime.Atn.LexerActionExecutor"/>
/// which can be used to execute actions
/// and/or commands after the lexer matches a token.
/// </summary>
public virtual Antlr4.Runtime.Atn.LexerActionExecutor LexerActionExecutor
{
get
{
return lexerActionExecutor;
}
}
}
}