public static boolean parentheses_operation(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "parentheses_operation")) return false;
    if (!nextTokenIsSmart(b, LEFT_PAREN)) return false;
    boolean r, p;
    Marker m = enter_section_(b, l, _NONE_, PARENTHESES_OPERATION, null);
    r = consumeTokenSmart(b, LEFT_PAREN);
    p = r; // pin = 1
    r = r && report_error_(b, operation(b, l + 1, -1));
    r = p && consumeToken(b, RIGHT_PAREN) && r;
    exit_section_(b, l, m, r, p, null);
    return r || p;
  }
public static boolean parentheses_operation(PsiBuilder b, int l)