class Parser::Runner

def report_with_time(parsing_time)
  cpu_time = parsing_time.utime
  speed = '%.3f' % (@source_size / cpu_time / 1000)
  puts "Parsed #{@source_count} files (#{@source_size} characters)" \
       " in #{'%.2f' % cpu_time} seconds (#{speed} kchars/s)."
  if defined?(RUBY_ENGINE)
    engine = RUBY_ENGINE
  else
    engine = 'ruby'
  end
  puts "Running on #{engine} #{RUBY_VERSION}."
end