Bug 88397 [5.0] OpenAction does not select whole ITypeParameter
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaEditor.java
if (!fMarkOccurrenceAnnotations)
			return;
		
		if (astRoot == null || selection == null)
			return;
		
		IDocument document= getSourceViewer().getDocument();
		if (document == null)
			return;
		
		List matches= null;
		if (fMarkExceptions || fMarkTypeOccurrences) {
			ExceptionOccurrencesFinder exceptionFinder= new ExceptionOccurrencesFinder();
			String message= exceptionFinder.initialize(astRoot, selection.getOffset(), selection.getLength());
			if (message == null) {
				matches= exceptionFinder.perform();
				if (!fMarkExceptions && !matches.isEmpty())
					matches.clear();
			}
		}
		
		if ((matches == null || matches.isEmpty()) && (fMarkMethodExitPoints || fMarkTypeOccurrences)) {
			MethodExitsFinder finder= new MethodExitsFinder();
			String message= finder.initialize(astRoot, selection.getOffset(), selection.getLength());
			if (message == null) {
				matches= finder.perform();
				if (!fMarkMethodExitPoints && !matches.isEmpty())
					matches.clear();
			}
		}