[cfe-dev] How are `__attribute__`s parsed in Clang?

[Aaron Ballman via cfe-dev]

On Thu, May 3, 2018 at 10:18 AM, Marcus Johnson via cfe-dev
<cfe-dev at lists.llvm.org> wrote:
> I'm thinking about making a patch to add support for the printf attribute's
> sibling, wprintf, but I tried searching the codebase, and couldn't find it,
> and there's literally thousands of files.
>
> I filed bug report 37288 on it and nobody responded, so I think I'll just
> see if I can add support for it myself.

This document should get you started:
https://clang.llvm.org/docs/InternalsManual.html#how-to-add-an-attribute

~Aaron

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