ioeric added a comment.

In https://reviews.llvm.org/D43550#1014319, @ilya-biryukov wrote:

> Is there a way to still enable include insertion but in a restricted manner, 
> e.g. only for the current project?


I'm not sure if this is currently supported, as we don't have a good definition 
of a "project" yet. Could you provide a use case?

> File of canonical declaration is usually a pretty good guess and it would be 
> nice to have it. Maybe we could allowing to disable the include insertion via 
> a flag or config parameter rather than disabling it for dynamic index 
> entirely.

Yes, it is a nice-to-have, when it works :) Without proper canonicalization, 
this could easily go wrong (e.g. we don't want to insert gtest/gmock internal 
headers guarded by IWYU pragma).

Do you think it's beneficial to collect headers in dynamic index even when it 
doesn't work correctly? Again, I'm not arguing that collecting includes in 
dynamic index is not worth doing; I just think it's a rabbit hole that we don't 
need to chase down at this point :)

> It bugs me that internal STL headers are added all the time, but it also lets 
> me test the feature without building the static index. I find the second more 
> valuable, given that we're still actively working on it.

I think we can test the feature in a safer approach (e.g. build a small static 
index offline) while not bugging normal users with the wrong includes, which 
IMO would hurt code completion experience very badly... In general, I think 
user experience is much more valuable than us being able to test features.


Repository:
  rCTE Clang Tools Extra

https://reviews.llvm.org/D43550



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