public ParserEventSupport(object source) { matchEvent = new MatchEventArgs(); messageEvent = new MessageEventArgs(); tokenEvent = new TokenEventArgs(); traceEvent = new TraceEventArgs(); semPredEvent = new SemanticPredicateEventArgs(); synPredEvent = new SyntacticPredicateEventArgs(); newLineEvent = new NewLineEventArgs(); listeners = new Hashtable(); this.source = source; }