# File lib/sass/script/parser.rb, line 117
      def parse_mixin_include_arglist
        args, keywords = [], {}
        if try_tok(:lparen)
          args, keywords, splat, kwarg_splat = mixin_arglist
          assert_tok(:rparen)
        end
        assert_done

        args.each do |a|
          check_for_interpolation a
          a.options = @options
        end

        keywords.each do |_k, v|
          check_for_interpolation v
          v.options = @options
        end

        if splat
          check_for_interpolation splat
          splat.options = @options
        end

        if kwarg_splat
          check_for_interpolation kwarg_splat
          kwarg_splat.options = @options
        end

        return args, keywords, splat, kwarg_splat
      rescue Sass::SyntaxError => e
        e.modify_backtrace :line => @lexer.line, :filename => @options[:filename]
        raise e
      end