static boolean any_block(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "any_block")) return false;
    if (!nextTokenIs(b, "", DO, LEFT_CURLY)) return false;
    boolean r;
    r = block(b, l + 1);
    if (!r) r = do_block(b, l + 1);
    return r;
  }
static boolean any_block(PsiBuilder b, int l)