class YARD::Parser::Ruby::AstNode

def pretty_print(q)
  objs = dup + [:__last__]
  objs.unshift(type) if type && type != :list
  options = []
  options << ['docstring', docstring] if @docstring
  if @source_range || @line_range
    options << ['line', line_range]
    options << ['source', source_range]
  end
  objs.pop if options.empty?
  q.group(3, 's(', ')') do
    q.seplist(objs, nil, :each) do |v|
      if v == :__last__
        q.seplist(options, nil, :each) do |arr|
          k, v2 = *arr
          q.group(3) do
            q.text k
            q.group(3) do
              q.text ': '
              q.pp v2
            end
          end
        end
      else
        q.pp v
      end
    end
  end
end