static boolean for_clause(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "for_clause")) return false;
    boolean r;
    r = for_in_clause(b, l + 1);
    if (!r) r = traditional_for_clause(b, l + 1);
    return r;
  }
static boolean for_clause(PsiBuilder b, int l)