[cfe-dev] How to retrieve a custom annotation in an ASTVisitor?

[Aaron Ballman via cfe-dev]

On Wed, Aug 2, 2017 at 12:43 PM, Marcel Schaible
<marcel at schaible-consulting.de> wrote:
> Thanks Aaron, works for one annotation.
>
> If I have multiple annotations per function declaration how can I iterate
> over them or can I use something like funcdecl->getAttr("SomeAttr")?

You can use the specific_attrs<> function to get a range, like:

for (const auto *A : functionDecl->specific_attrs<AnnotateAttr>()) {

}

(There is also specific_attr_begin<>() and specific_attr_end<>() if
you want iterators instead of a range.)

~Aaron