return "/* ERROR */";
  }
}

string AttrView::VariableStrLen() const {
  return Call("strlen", {VariableName()});
}

string AttrView::VariableSpanData() const {
  return Call(VariableName(), "data", {}, ".");
}

string AttrView::VariableSpanLen() const {
  return Call(VariableName(), "length", {}, ".");
}

string AttrView::InputArg(bool with_default_value) const {

      variable_name_(ArgView(arg).VariableName()) {}

OpArgumentView::OpArgumentView(AttrSpec attr)
    : type_name_(AttrView(attr).VariableType()),
      variable_name_(AttrView(attr).VariableName()),
      default_value_(AttrView(attr).DefaultValue()) {}

}  // namespace cpp
}  // namespace generator

}

const std::vector<ArgView>& OpView::Inputs() const { return input_args_; }

const std::vector<ArgView>& OpView::Outputs() const { return output_args_; }

const std::vector<AttrView>& OpView::Attributes() const {
  return argument_attrs_;
}

const std::vector<OpArgumentView>& OpView::AllArguments() const {
  return all_arguments_;
}