source: trunk/yao/share/antlr-2.7.7/lib/csharp/antlr.runtime/antlr.debug/TraceListenerBase.cs @ 1

namespace antlr.debug
{
        using System;

        /// <summary>
        /// Provides an abstract base for implementing <see cref="TraceListener"/> subclasses.
        /// </summary>
        /// <remarks>
        ///             <param>
        ///             This abstract class is provided to make it easier to create <see cref="TraceListener"/>s. 
        ///             You should extend this base class rather than creating your own.
        ///             </param>
        /// </remarks>
        public abstract class TraceListenerBase : TraceListener
        {
                /// <summary>
                /// Handle the "Done" event.
                /// </summary>
                /// <param name="source">Event source object</param>
                /// <param name="e">Event data object</param>
                public virtual void  doneParsing(object source, TraceEventArgs e)
                {
                }

                /// <summary>
                /// Handle the "EnterRule" event
                /// </summary>
                /// <param name="source">Event source object</param>
                /// <param name="e">Event data object</param>
                public virtual void  enterRule(object source, TraceEventArgs e)
                {
                }

                /// <summary>
                /// Handle the "ExitRule" event
                /// </summary>
                /// <param name="source">Event source object</param>
                /// <param name="e">Event data object</param>
                public virtual void  exitRule(object source, TraceEventArgs e)
                {
                }

                public virtual void  refresh()
                {
                }
        }
}