lawrence_danna added a comment.
In D68188#1691129 <https://reviews.llvm.org/D68188#1691129>, @labath wrote:
> Hmm... I like your solution of the typemap problem, but this CRTP class seems
> to be way more complicated than needed. There shouldn't be any need for CRTP
> as we already have regular dynamic dispatch via virtual methods. Also, I
> don't think the forwarding should be needed if you're going the template
> route. How about something like this instead?
>
> template<typename Base>
> class OwningPythonFile : public Base {
> Status Close() { /* close magic here*/; }
> // no need to forward anything -- inheritance handles that
> };
>
> class TextPythonFile: public OwningPythonFile<File> {
> // override methods as usual
> };
> // same for BinaryPythonFile
>
>
> Then depending on what you need, you create either a NativeFile,
> OwningPythonFile<NativeFile>, or a Text/BinaryPythonFile. How does that sound?
Next step is add type maps to convert these things back to python. Without the
CRTP it can’t just check for a single OwnedPythonfile base class — it’ll have
to check for all three. Is that worse than using CRTP?
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D68188/new/
https://reviews.llvm.org/D68188
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