Great, thanks for reminding me of this feature. I couldn't see how it could be used outside of the stdlib though, is it possible to use apinotes when simply linking a C module via its modulemap ? Douglas Gregor <dgre...@apple.com> schrieb am Fr. 5. Mai 2017 um 01:55:
> > On May 3, 2017, at 4:10 PM, Geordie J via swift-users < > swift-users@swift.org> wrote: > > Hi everyone, > > I’m about to start on another big project with Swift on Android and would > like to annotate that JNI headers as much as possible before I do: > specifically I’d like to make _Nonnull and CF_SWIFT_NAME annotations to the > headers found in a user's jni.h. > > The question is: is it possible to annotate headers this without changing > the original header files? Specifically I’m looking for an options that > allows annotations in a separate file, probably one that is read when > loading the package’s module.modulemap. > > I’d like to distribute the annotations in a SwiftPM package that also > exposes the original (hopefully annotated) headers. Up until now I’ve been > using Swift to override methods in code, but this isn’t as clean or > extensible and I fear it may have other (particularly performance) > implications. > > I guess the alternative would be to just maintain and distribute a > modified version of jni.h with the annotations, but that would be a "last > resort” option. > > > > This is the role of API notes, which you can see here: > > https://github.com/apple/swift/tree/master/apinotes > > with some rough documentation-in-source here: > > > https://github.com/apple/swift-clang/blob/stable/lib/APINotes/APINotesYAMLCompiler.cpp > > - Doug > >
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