robot.rb

module Robot

  def self.attr_state(*names)
    names.each{|n|
      n = n.to_sym
      attr_writer n
      attr_reader n
    }
  end

  def self.attr_action(*names)
    names.each{|n|
      n = n.to_sym
      define_method(n){|param| @actions[n] = param }
    }
  end

  def self.attr_event(*names)
    names.each{|n|
      n = n.to_sym
      define_method(n){ @events[n] }
    }
  end

rrobots.rb

require 'robot'