static L<S> getSupportedQuestions_functionNames = litlist("match", "match3", "flexmatch");

static L<S> getSupportedQuestions(S programIDOrSrc) ctex {
  S src = isSnippetID(programIDOrSrc) ? loadSnippet(programIDOrSrc) : programIDOrSrc;
  new TreeSet<S> questions;
  L<S> tok = javaTok(src);
  for (int i = 1; i+4 < tok.size(); i += 2)
    if (getSupportedQuestions_functionNames.contains(tok.get(i)) && tok.get(i+2).equals("(")
      && isQuoted(tok.get(i+4)))
      questions.add(unquote(tok.get(i+4)));
  ret asList(questions);
}

static L<S> getSupportedQuestions() {
  ret getSupportedQuestions(myJavaSource());
}