[cfe-dev] LibTooling vs. LibClang+Python for simple refactoring

[dblaikie at gmail.com]

On Sun Dec 29 2013 at 10:25:19 AM, Schlottke, Michael <
m.schlottke at fz-juelich.de> wrote:

>  Hi David,
>
>  Thanks for the fast reply.
>
>  From your description I infer that clang-fixit is a tool for enforcing a
> certain naming convention, rather than changing specific names, or did I
> misunderstand you?
>

That's correct - but it has the same challenges in terms of resizing names,
etc.


>
>  However, maybe it could be a place for me to start looking for ideas...
> The only reference I found to clang-fixit is
> http://llvm-reviews.chandlerc.com/D51, but nothing in the llvm or
> clang/extra repository. Could you tell me where I can find more information
> on it?
>

Hmm, perhaps it hasn't really been started yet. Sorry for the red herring.

I would guess clang-migrate would be the next best tool to look at. It does
various code changes and deals with reformatting the resulting code, etc.

- David


>
>  Regards,
>
>  Michael
>
>
>
> -------- Ursprüngliche Nachricht --------
> Von: dblaikie at gmail.com
> Datum:
> An: "Schlottke, Michael" <m.schlottke at fz-juelich.de>,cfe-dev Developers <
> cfe-dev at cs.uiuc.edu>,djasper at google.com,klimek at google.com
> Betreff: [cfe-dev] LibTooling vs. LibClang+Python for simple refactoring
>
>
> Tooling, specifically the clang-fixit till is one place sheet efforts are
> being made to apply these kinds of refractoriness (specifically clang-fixit
> would apply predefined naming convention rules, rather than user specified
> renaming).
>
> One of the things that tooling might help you with would be the necessary
> reformatting (clang-format) and build/source discovery.
>
> On Sunday, December 29, 2013 3:49:06 AM, Schlottke, Michael <
> m.schlottke at fz-juelich.de> wrote:
>
> Hi everyone,
>
> For our research group, I need to get started with some relatively simple
> refactoring tasks in a modestly complex C++ project. The goal is to have a
> tool that (in the beginning) is good for at least two things:
> - renaming member variables/methods
> - replacing member variable access by getters/setters
>
> After the extremely positive experiences I've had with clang (and since
> the IDE tools I tried failed for our project), I'd like to utilize the
> clang infrastructure for this task. However, in the very beginning I
> already face the problem of where I should start:
>
> On the one hand, LibTooling seems to be the interface of choice when it
> comes to refactoring code (it's one of the canonical examples on http://<http://clang.llvm.org/docs/Tooling.html>
> clang.llvm.org <http://clang.llvm.org/docs/Tooling.html>/docs/<http://clang.llvm.org/docs/Tooling.html>
> Tooling.html <http://clang.llvm.org/docs/Tooling.html>). On the other
> hand libclang seems to be easier to use, has Python bindings, and from the
> outset looks like it could be already sufficient for the task at hand.
>
> Do you have any experience/recommendations for which library is the one to
> use in this case?
>
> Regards,
>
> Michael
>
> --
> Michael Schlottke
>
> SimLab Highly Scalable Fluids & Solids Engineering
> Jülich Supercomputing Centre (JSC)
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