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

dblaikie at gmail.com dblaikie at gmail.com
Sun Dec 29 08:52:43 PST 2013

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

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
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?



Michael Schlottke

SimLab Highly Scalable Fluids & Solids Engineering
Jülich Supercomputing Centre (JSC)
Forschungszentrum Jülich GmbH
52425 Jülich

Phone: +49 (2461) 61 2326
Mail: m.schlottke <m.schlottke at fz-juelich.de>@
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