LRAction.cs

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// Copyright (c) 2014 Silicon Studio Corp. (http://siliconstudio.co.jp)
// This file is distributed under GPL v3. See LICENSE.md for details.
// 
// ----------------------------------------------------------------------
//  Gold Parser engine.
//  See more details on http://www.devincook.com/goldparser/
//  
//  Original code is written in VB by Devin Cook (GOLDParser@DevinCook.com)
// 
//  This translation is done by Vladimir Morozov (vmoroz@hotmail.com)
//  
//  The translation is based on the other engine translations:
//  Delphi engine by Alexandre Rai (riccio@gmx.at)
//  C# engine by Marcus Klimstra (klimstra@home.nl)
// ----------------------------------------------------------------------
#region Using directives

using System;

#endregion

namespace GoldParser
{
    /// <summary>
    /// LR parser action type.
    /// </summary>
    internal enum LRAction
    {
        /// <summary>
        /// No action. Not used.
        /// </summary>
        None = 0,

        /// <summary>
        /// Shift a symbol and go to a state
        /// </summary>
        Shift = 1,   
    
        /// <summary>
        /// Reduce by a specified rule
        /// </summary>
        Reduce = 2,      

        /// <summary>
        /// Goto to a state on reduction
        /// </summary>
        Goto = 3,        

        /// <summary>
        /// Input successfully parsed
        /// </summary>
        Accept = 4,      

        /// <summary>
        /// Error
        /// </summary>
        Error = 5       
    }
}