class Sass::Script::CssLexer

def string(re, *args)
  if re == :uri
    uri = scan(URI)
    return unless uri
    return [:string, Script::Value::String.new(uri)]
  end
  return unless scan(STRING)
  string_value = Sass::Script::Value::String.value(@scanner[1] || @scanner[2])
  value = Script::Value::String.new(string_value, :string)
  [:string, value]
end