// todo - If no comment before node, then get comment from same node on parent class - ouch!
private String getJavaDocCommentsBeforeNode(GroovySourceAST t) {
String returnValue = "";
String text = sourceBuffer.getSnippet(new LineColumn(1,1), new LineColumn(t.getLine(), t.getColumn()));
if (text != null) {
int openBlockIndex = text.lastIndexOf("{");
int closingBlockIndex = text.lastIndexOf("}");
int lastBlockIndex = Math.max(openBlockIndex, closingBlockIndex);
if (lastBlockIndex > 0) {