public static boolean reference_expression(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "reference_expression")) return false;
    if (!nextTokenIs(b, IDENTIFIER)) return false;
    boolean r;
    Marker m = enter_section_(b);
    r = consumeToken(b, IDENTIFIER);
    exit_section_(b, m, REFERENCE_EXPRESSION, r);
    return r;
  }
public static boolean reference_expression(PsiBuilder b, int l)