[clang-tools-extra] [clangd] Support callHierarchy/outgoingCalls (PR #91191)

[Christian Kandeler via cfe-commits]

ckandeler wrote:

> If I'm understanding correctly, the implementation approach in this PR only finds callees in the current translation 
> unit.
> The approach in #77556 uses the project's index to find callees across translation unit boundaries.

Right, that's obviously nicer.

> Regarding reviews: yes, it seems quite unfortunate that the original developers seem to have largely moved on to 
> other things. I will do my best to make some progress of the project's review backlog (including in particular 
> #86629 and #67802) as time permits.

Your work is highly appreciated, but I don't think it's reasonable to expect a single unpaid contributor to maintain the entire project, as appears to be the case right now.



https://github.com/llvm/llvm-project/pull/91191