static LS getJavaLineCommentsWithoutNestedBlocks(LS tok) {
  int curlyLevel = 0;
  new LS comments;
  for i over tok: {
    if (curlyLevel == 0 && even(i))
      addAll(comments, getJavaLineComments(tok.get(i));
    else
      curlyLevel += curlyLevel(tok.get(i));
  }
  ret comments;
}