class Byebug::ListCommand

def execute
  Byebug.source_reload if Command.settings[:reload_source_on_change]
  lines = LineCache::getlines(@state.file,
                              Command.settings[:reload_source_on_change])
  if !lines
    errmsg "No sourcefile available for #{@state.file}\n"
    return @state.previous_line
  end
  b, e = set_line_range(Command.settings[:listsize], lines.size)
  return @state.previous_line if b < 0
  print "[#{b}, #{e}] in #{@state.file}\n"
  @state.previous_line = display_list(b, e, lines, @state.line)
end