[cfe-dev] Adding indexing support to Clangd

[Vladimir Voskresensky via cfe-dev]

On 14.08.2017 11:06, Ilya Biryukov wrote:
>
>     Could you provide more info, please.
>     Are USRs different for same named file-local entries (i.e. static
>     functions)?
>
>
> Looking at USRGenerator::VisitVarDecl, it seems they will be the same 
> across different translation units.
> For local entities, "location" is part of the USR.  ("Location" is a 
> filename + an offset from the start of that file).
That was my point, U in USRs are not so Unified, so can not be used as 
universal keys for queries in DB.
Adding location to USR makes them less usable in index if fast 
incremental re-index is going to be implemented vs. full reparse on each 
change.

Vladimir.
>
> -- 
> Regards,
> Ilya Biryukov

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