//------------------------------------------------------------------------------
// <copyright file="Event.cs" company="Microsoft">
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// </copyright>                                                                
// <owner current="true" primary="true">Microsoft</owner>
//------------------------------------------------------------------------------
 
namespace System.Xml.Xsl.XsltOld {
    using Res = System.Xml.Utils.Res;
    using System;
    using System.Diagnostics;
    using System.Xml;
    using System.Xml.XPath;
    using System.Xml.Xsl.XsltOld.Debugger;
 
    internal abstract class Event {
        public virtual void ReplaceNamespaceAlias(Compiler compiler) {}        
        public abstract bool Output(Processor processor, ActionFrame frame);
 
        internal void OnInstructionExecute(Processor processor) {
            Debug.Assert(processor.Debugger != null, "We don't generate calls this function if ! debugger");
            Debug.Assert(DbgData.StyleSheet != null, "We call this function from *EventDbg only");
            processor.OnInstructionExecute();
        }
 
        internal virtual DbgData DbgData { get { return DbgData.Empty; } }
    }
}