[cfe-dev] clang-tidy: Tool for removing "this->" from source code?

[Manuel Klimek]

Yea, this is really hard currently in clang's design: the only place at
which the lookup information is available is during semantic analysis on
clang's stack :(

This has been one of the most requested features though, so perhaps we can
find a way to allow re-querying some flows of sema (or being able to
optionally store some info) for this.

cc'ing Richard for ideas.

On Tue, Jun 9, 2015 at 10:05 AM Kevin Funk <kfunk at kde.org> wrote:

> On Tuesday 09 June 2015 06:27:02 Wilhelm wrote:
> > (snip)
> >
> > Am 08.06.2015 um 13:54 schrieb Kevin Funk:
> > (snip)
> >
> > > Now the part I'm struggling with is how to make sure the "member name"
> > > is a non-ambiguous identifier from the current context so I can just
> > > strip "this->". How can I find out the accessible declarations (or just
> > > the ids) from the context of the expression referencing `this`? I'm
> > > missing API to get the clang::DeclContext, plus looking up declarations
> > > accessible from within this context.
>
> I didn't get a lot of replies to my actual question, so let's maybe
> simplify
> it a bit.
>
> My root problem:
> Given an instance of clang::Expr: how can I deduce the context of this
> expression and get a list of declarations which are accessible from this
> context. What API can I use for this?
>
> This sounds trivial, but I didn't figure it out yet. Apparently I'm missing
> something obvious here.
>
> Thanks.
>
> --
> Kevin Funk | kfunk at kde.org | http://kfunk.org
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