[cfe-dev] getting all definitions of a macro identifer?
Jonas Toth via cfe-dev
cfe-dev at lists.llvm.org
Fri Oct 19 05:21:29 PDT 2018
you can hook the PPCallbacks and do manual processing on the macros that
are defined. If you want to find *ALL* definitions of the macro in your
whole project you need to process all files and (probably) store the
results between multiple calls.
Am 19.10.2018 um 10:30 schrieb Lou Wynn via cfe-dev:
> I have a question about getting macro definitions when using Clang's
> libraries. In analyzing code statically, we'd like to get all
> definitions of a macro identifier regardless of its actual value
> passed in. For instance, for the following macro:
> #ifdef X
> #define F1 zzz
> #define F1 yyy
> We'd like to get F1's all substitutions (zzz and yyy) no matter what
> value of X is provided. What's the best method to do it? I'm afraid
> that using the Preprocessor library is or isn't enough.
> cfe-dev mailing list
> cfe-dev at lists.llvm.org
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