debugger (Kernel)

    # File lib/ruby-debug-base.rb, line 234
      def debugger(steps = 1, &block)
        if block
          Debugger.start({}, &block)
        else
          Debugger.start unless Debugger.started?
          Debugger.run_init_script(StringIO.new)
          if 0 == steps
            Debugger.current_context.stop_frame = 0
          else
            Debugger.current_context.stop_next = steps
          end
        end
      end