class ActionView::RenderParser::RipperRenderParser

def render_calls
  parser = RenderCallExtractor.new(@code)
  parser.parse
  parser.render_calls.group_by(&:first).to_h do |method, nodes|
    [ method.to_sym, nodes.collect { |v| v[1] } ]
  end.map do |method, nodes|
    nodes.map { |n| parse_render(n) }
  end.flatten.compact
end