// split at newline, but also take into account multi-line strings 
static L<S> splitScript(S script) {
  L<S> tok = javaTok(script);
  new L<S> result;
  result.add("");
  for (int i = 0; i < tok.size(); i++) {
    boolean nl = tok.get(i).indexOf("\n") >= 0;
    if (nl)
      result.add("");
    else
      result.set(result.size()-1, result.get(result.size()-1) + tok.get(i));
  }
  return result;
}