module Byebug::FrameFunctions

def get_frame_block_and_method(pos)
  frame_deco_regexp = /((?:block(?: \(\d+ levels\))?|rescue) in )?(.+)/
  frame_deco_method = "#{@state.context.frame_method pos}"
  frame_block_and_method = frame_deco_regexp.match(frame_deco_method)[1..2]
  return frame_block_and_method.map{ |x| x.nil? ? '' : x }
end