ilya-biryukov added inline comments.
================
Comment at: clangd/CodeComplete.cpp:270
+ /// namespace scopes which are visible to the qualified-id completion token.
+ std::vector<std::string> Scopes;
+};
----------------
sammccall wrote:
> ilya-biryukov wrote:
> > sammccall wrote:
> > > Just to check, if the user types:
> > > "vec" --> None
> > > "::vec" --> {""}
> > > "std::vec" --> {"std"}
> > > "using namespace std; vec" --> None
> > > "using namespace std; ::vec" --> {"", "std"}
> > >
> > > is this right?
> > I think the idea was to have (I only highlight the differences):
> > "vec" --> {""}
> > "using namespace std; vec" --> {"", "std"}
> >
> > @hokein , or am I getting it wrong?
> You're probably right, just want to be sure we're talking about the same
> thing.
>
> There's two layers here: the context detected from sema, and what we're going
> to send the index. The layering is more relevant now that more of this moves
> out of clangd.
>
> for "vec", we should be sending {""} to the index for now, and later move
> towards doing global completion.
> But if possible the detection code should report None, and the query-index
> code should translate it - there's no reason the detection code needs to be
> wrong just because clangd can't do qualifier insertion/smart ranking/etc.
>
> That said, per our discussion this morning, the detected state shouldn't
> really be Optional<vector<string>>, but rather struct { vector<string>
> AccessibleScope, optional<string> UnresolvedQualifier } or something like
> that...
- Totally agree, this patch only fills the `vector<string> AccessibleScope`
field, and `optional<string> UnresolvedQualifier` could be added in the
follow-up patch when it's actually handled.
- It still makes sense to have `optional<QueryScopes>` to distinguish cases
when clang did not run the lookup during completion and the scopes were not set
(i.e. completion inside macros, etc.)
Repository:
rCTE Clang Tools Extra
https://reviews.llvm.org/D42073
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