# File lib/sass/repl.rb, line 16
    def run
      environment = Environment.new
      environment.set_var('important', Script::String.new('!important'))
      @line = 0
      loop do
        @line += 1
        unless text = Readline.readline('>> ')
          puts
          return
        end

        Readline::HISTORY << text
        parse_input(environment, text)
      end
    end