!7 delegate AbstractParser, ParseResult, DefaultParseResult to org.fife.ui.rsyntaxtextarea.parser. sclass MyParser extends AbstractParser { @Override public ParseResult parse(RSyntaxDocument doc, String style) { print("Parsing"); ret new DefaultParseResult(this); } } p-exp { RSyntaxTextAreaWithSearch ta = rSyntaxTextAreaWithSearch(); ta.menuLessOperation(); new MyParser parser; ta.textArea().addParser(parser); // You can also call ta.textArea().forceReparsing(parser); showFrame(ta); }