sammccall added a comment.

In D99540#2799159 <https://reviews.llvm.org/D99540#2799159>, @kadircet wrote:

>> Sorry I've lost my context - did we decide to move forward with this patch?
>
> I don't think we've came to a conclusion, just decided to postpone until 
> needed. I believe the `cases` design is really a good fit for making tweaks 
> expose multiple code actions.
>
> But we've actually missed one thing while discussing this patch. It actually 
> allows data from `clang::Diagnostic` to be stashed into `clangd::Diag` for 
> use later on. Modules can actually stash this info while the AST is being 
> built, later on they can be retrieved directly from the 
> `ParsedAST::getDiagnostics()`. But this creates the N*M problem again, and 
> feels like a hack.
> What we can do instead is during `enumerateTweak`, we can group `data` in 
> diagnostics (making sure `data` stored in `diagnostic` is keyed by 
> `tweak::id`) and pass an additional array of json objects in 
> `tweak::prepare`.  This will make the problem N+M again and make the data 
> passing explicit.

Sorry, somehow I'm not following this (either the problem or the suggestion at 
all). Let's chat this week about it...


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D99540/new/

https://reviews.llvm.org/D99540

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