class DEBUGGER__::Config

def self.config_to_env_hash config
  CONFIG_MAP.each_with_object({}){|(key, evname), env|
    unless config[key].nil?
      case CONFIG_SET[key][2]
      when :path
        valstr = config[key].map{|e| e.kind_of?(Regexp) ? e.inspect : e}.join(':')
      when :path_map
        valstr = config[key].map{|e| e.join(':')}.join(',')
      else
        valstr = config[key].to_s
      end
      env[evname] = valstr
    end
  }
end