use := cleanName(phase.Name)
	generatedName := use
	selfPath := []string{generatedName}

	if parentRunner != nil {
		generatedName = strings.Join([]string{parentRunner.generatedName, generatedName}, phaseSeparator)
		use = fmt.Sprintf("%s%s", phaseSeparator, use)
		selfPath = append(parentRunner.selfPath, selfPath...)
	}

	// creates the phaseRunner
	currentRunner := &phaseRunner{

namespace cpp {

GuardRenderer::GuardRenderer(RendererContext context) : Renderer(context) {
  string self_path = io::JoinPath(context_.path_config.tf_root_dir,
                                  context_.path_config.tf_output_dir,
                                  context_.cpp_config.unit + "_ops.h");
  string with_underscores(self_path);
  std::replace(with_underscores.begin(), with_underscores.end(), '/', '_');