class Byebug::UpCommand

def self.description
  <<-EOD
    up[ count]
    #{short_description}
    Use the "bt" command to find out where you want to go.
  EOD
end

def self.regexp
  /^\s* up (?:\s+(\S+))? \s*$/x
end

def self.short_description
  'Moves to a higher frame in the stack trace'
end

def execute
  pos, err = parse_steps(@match[1], 'Up')
  return errmsg(err) unless pos
  jump_frames(pos)
  ListCommand.new(processor).execute if Setting[:autolist]
end