static void PrintException(Exception e)
{
string message = e is MondException ? e.Message : e.ToString();
string stackTrace = null;
var runtimeException = e as MondRuntimeException;
if (runtimeException != null)
stackTrace = runtimeException.StackTrace;
Console.WriteLine();
Console.WriteLine(message);
if (!message.EndsWith("\n"))
Console.WriteLine();
if (stackTrace != null)
Console.WriteLine(stackTrace);
_first = true;
if (_input != null)
_input.Clear();
_highlighter = null;
}