class Byebug::MethodSigCommand

def execute
  obj = debug_eval('method(:%s)' % @match[1])
  if obj.is_a?(Method)
    begin
      print "%s\n", obj.signature.to_s
    rescue
      errmsg("Can't get signature for '#{@match[1]}'\n")
    end
  else
    errmsg("Can't make method out of '#{@match[1]}'\n")
  end
end

def help(cmd)
  %{
    m[ethod] sig[nature] <obj>\tshow the signature of a method
  }
end

def help_command
  'method'
end

def regexp
  /^\s*m(?:ethod)?\s+sig(?:nature)?\s+(\S+)\s*$/
end