class Cucumber::Runtime::SupportCode

def programming_language_for(step_def_file)
  if ext = File.extname(step_def_file)[1..-1]
    return nil if @unsupported_programming_languages.index(ext)
    begin
      load_programming_language(ext)
    rescue LoadError => e
      log.debug("Failed to load '#{ext}' programming language for file #{step_def_file}: #{e.message}\n")
      @unsupported_programming_languages << ext
      nil
    end
  else
    nil
  end
end