class RDoc::Parser::Ruby

def skip_parentheses(&block)
  left_tk = peek_tk
  if :on_lparen == left_tk[:kind]
    get_tk
    ret = skip_parentheses(&block)
    right_tk = peek_tk
    if :on_rparen == right_tk[:kind]
      get_tk
    end
    ret
  else
    yield
  end
end