debug_thread_info

# File lib/debug.rb, line 850
    def debug_thread_info(input, binding)
      case input
      when /^l(?:ist)?/
        make_thread_list
        thread_list_all

      when /^c(?:ur(?:rent)?)?$/
        make_thread_list
        thread_list(@thread_list[Thread.current])

      when /^(?:sw(?:itch)?\s+)?(\d+)/
        make_thread_list
        th = get_thread($1.to_i)
        if th == Thread.current
          @stdout.print "It's the current thread.\n"
        else
          thread_list(@thread_list[th])
          context(th).stop_next
          th.run
          return :cont
        end

      when /^stop\s+(\d+)/
        make_thread_list
        th = get_thread($1.to_i)
        if th == Thread.current
          @stdout.print "It's the current thread.\n"
        elsif th.stop?
          @stdout.print "Already stopped.\n"
        else
          thread_list(@thread_list[th])
          context(th).suspend
        end

      when /^resume\s+(\d+)/
        make_thread_list
        th = get_thread($1.to_i)
        if th == Thread.current
          @stdout.print "It's the current thread.\n"
        elsif !th.stop?
          @stdout.print "Already running."
        else
          thread_list(@thread_list[th])
          th.run
        end
      end
    end