Tracer.cs :  » Inversion-of-Control-Dependency-Injection » Spring.net » Spring » Expressions » Parser » antlr » debug » C# / CSharp Open Source

namespace Spring.Expressions.Parser.antlr.debug{
  using System;
  
  public class Tracer : TraceListenerBase, TraceListener
  {
    protected string indentString = "";
    // TBD: should be StringBuffer
    
    
    protected internal virtual void  dedent()
    {
      if (indentString.Length < 2)
        indentString = "";
      else
        indentString = indentString.Substring(2);
    }
    public override void  enterRule(object source, TraceEventArgs e)
    {
      System.Console.Out.WriteLine(indentString + e);
      indent();
    }
    public override void  exitRule(object source, TraceEventArgs e)
    {
      dedent();
      System.Console.Out.WriteLine(indentString + e);
    }
    protected internal virtual void  indent()
    {
      indentString += "  ";
    }
  }
}