Bug 19889 [assist] completion in throws clause or in javadoc @throws tag should propose only exception class
When I'm here: /** {@link Unsupp and ask for autocompletion, it comes up with a window listing a few types, among them java.lang.UnsupportedOperationException. When I'm here: /** @throws Unsupp or here: /** @exception Unsupp autocompletion has no idea what could possibly follow.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/javadoc/JavaDocCompletionEvaluator.java
String[] exceptions= ((IMethod)elem).getExceptionTypes();
				for (int i= 0; i < exceptions.length; i++) {
					String curr= Signature.toString(exceptions[i]);
					if (prefixMatches(argument, curr)) {
						fResult.add(createCompletion(curr, argument, curr, JavaPluginImages.get(JavaPluginImages.IMG_OBJS_CLASS), null));
					}
				}
			}
			return true;
		} else if ("@serialData".equals(tag)) { 
			if (elem instanceof IField) {
				String name= ((IField)elem).getElementName();
				fResult.add(createCompletion(name, argument, name, fLabelProvider.getImage(elem), null));
			}
			return true;
		}
		return false;
	}
	
	private void evalSeeTag(IMember elem, String arg) throws JavaModelException {
		int wordStart= fCurrentPos - arg.length();
		int pidx= arg.indexOf('#');
		if (pidx == -1) {
			evalTypeNameCompletions(elem, wordStart);
		} else {
			IType parent= null;
			if (pidx > 0) {
				 
				parent= getTypeNameResolve(elem, wordStart, wordStart + pidx);
			} else {