# File lib/parser/builders/default.rb, line 917
    def condition(cond_t, cond, then_t,
                  if_true, else_t, if_false, end_t)
      n(:if, [ check_condition(cond), if_true, if_false ],
        condition_map(cond_t, cond, then_t, if_true, else_t, if_false, end_t))
    end