module Byebug::ThreadFunctions

def parse_thread_num_for_cmd(subcmd, arg)
  c, err = parse_thread_num(subcmd, arg)
  case
  when err
    [c, err]
  when c.nil?
    [nil, pr('thread.errors.no_thread')]
  when @state.context == c
    [c, pr('thread.errors.current_thread')]
  when c.ignored?
    [c, pr('thread.errors.wrong_action', subcmd: subcmd, arg: arg)]
  else
    [c, nil]
  end
end