dial_plan.rb

class Loader
  class << self
    attr_accessor :default_dial_plan_file_name

    def load(dial_plan_as_string)
      string_io = StringIO.new dial_plan_as_string
      def string_io.path
        "(eval)"
      end
      load_dialplans string_io
    end

    def load_dialplans(*files)
      files = Adhearsion::AHN_CONFIG.files_from_setting("paths", "dialplan") if files.empty?
      files = Array files
      files.map! do |file|
        case file
          when File, StringIO
            file
          when String
            File.new file
          else
            raise ArgumentError, "Unrecognized type of file #{file.inspect}"
        end
      end
      new.tap do |loader|
        files.each do |file|
          loader.load file
        end
      end
    end

  end

  self.default_dial_plan_file_name ||= 'dialplan.rb'

  def initialize
    @context_collector = ContextNameCollector.new
  end

  def contexts
    @context_collector.contexts
  end

  def load(dialplan_file)
    dialplan_code = dialplan_file.read
    @context_collector.instance_eval(dialplan_code, dialplan_file.path)
    nil
  end

  class ContextNameCollector# < ::BlankSlate

    class << self

      def const_missing(name)
        super
      rescue ArgumentError
        raise NameError, %(undefined constant "#{name}")
      end

    end

    attr_reader :contexts
    def initialize
      @contexts = {}
    end

    def method_missing(name, *args, &block)
      super if !block_given? || args.any?
      contexts[name] = DialplanContextProc.new(name, &block)
    end

  end
end
class DialplanContextProc < Proc

  attr_reader :name

  def initialize(name, &block)
    super(&block)
    @name = name
  end

  def +@
    raise Adhearsion::VoIP::DSL::Dialplan::ControlPassingException.new(self)
  end

end

gistfile2.txt

     Failure/Error: manager = Adhearsion::DialPlan::Manager.new
     ArgumentError:
       method 'initialize': given 1, expected 0
     # kernel/common/proc.rb:40:in `new'
     # ./lib/adhearsion/voip/dial_plan.rb:230:in `am_not_for_kokoa! (method_missing)'
     # dialplan.rb:1:in `load'
     # kernel/common/block_environment.rb:52:in `call_on_instance'
     # kernel/common/eval.rb:194:in `instance_eval'
     # ./lib/adhearsion/voip/dial_plan.rb:207:in `load'
     # ./lib/adhearsion/voip/dial_plan.rb:188:in `load_dialplans'
     # kernel/bootstrap/array.rb:71:in `each'
     # ./lib/adhearsion/voip/dial_plan.rb:187:in `load_dialplans'
     # kernel/common/kernel.rb:358:in `tap'
     # ./lib/adhearsion/voip/dial_plan.rb:186:in `load_dialplans'