aeubanks added a comment.

In D137583#3917735 <https://reviews.llvm.org/D137583#3917735>, @dblaikie wrote:

> In D137583#3917706 <https://reviews.llvm.org/D137583#3917706>, @aaron.ballman 
> wrote:
>
>>> ...we expect template params to be fully qualified when comparing them for 
>>> simple template names
>>
>> So lldb is not inspecting the AST, they're doing reflection (of a sort) on 
>> the pretty printed names? Or am I misunderstanding something?
>
> Not reflection as such - but building names for the user, but partly from the 
> AST - basically LLDB wants to be able to produce the same name that 
> CGDebugInfo produces - so, maybe it should produce it the same way as 
> CGDebugInfo, which isn't to use the pretty printer from scratch.
>
> @aeubanks would this work for lldb's use case? 
> https://github.com/llvm/llvm-project/blob/main/clang/lib/CodeGen/CGDebugInfo.cpp#L5229
>  it'd be identical to the original debug info generation, and looks like it 
> doesn't require a printing policy change/feature. Sorry I didn't think of 
> that earlier. I guess since `Qualified` would be `false` for lldb's use case, 
> you could go down into the implementation and just call the unqualified side 
> directly: `NamedDecl::printName(OS, Policy);` should print it unqualified for 
> this name, but respect the qualified printing policy flag for any nested 
> names, parameters, etc.

much better, thanks!


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