public virtual void removeTraceListener(TraceListener l) { if (!ignoreInvalidDebugCalls) { throw new System.SystemException("removeTraceListener() is only valid if parser built for debugging"); } }
public virtual void addTraceListener(TraceListener l) { if (!ignoreInvalidDebugCalls) { throw new System.ArgumentException("addTraceListener() is only valid if parser built for debugging"); } }