05: Objective-C Interoperability

Swift Unwrapped

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8+ y ago 40:47

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There's been a much stronger focus on calling ObjC from Swift than the other way around, but in this talk we'll cover both directions and the parts of the Swift language involved in the process.

ObjC Interop Overview

Nikita Lutsenko's talk: https://realm.io/news/altconf-nikita-lutsenko-objc-swift-interoperability/
- NS_SWIFT_NAME
- NS_SWIFT_UNAVAILABLE
- NS_REFINED_FOR_SWIFT
- NS_SWIFT_NOTHROW
- NS_NOESCAPE
- NSEXTENSIBLESTRING_ENUM
- Nullability Annotations
- Generic Annotations
ClangImporter (omit needless words logic lives here)
PrintAsObjC
- Kevin Ballard's PR to include unavailable/deprecated/availability attributes: https://github.com/apple/swift/pull/6480
- ObjC codegen via string manipulation. Very hackable.

Proposals on ObjC Interop

Referencing ObjC key-paths: https://github.com/apple/swift-evolution/blob/master/proposals/0062-objc-keypaths.md
Referencing ObjC property selectors: https://github.com/apple/swift-evolution/blob/master/proposals/0064-property-selectors.md
Referencing ObjC selector of a method: https://github.com/apple/swift-evolution/blob/master/proposals/0022-objc-selectors.md
Great API transformation: https://github.com/apple/swift-evolution/blob/master/proposals/0005-objective-c-name-translation.md
Import ObjC constants: https://github.com/apple/swift-evolution/blob/master/proposals/0033-import-objc-constants.md
Make optional requirements ObjC only: https://github.com/apple/swift-evolution/blob/master/proposals/0070-optional-requirements.md

93 episodes

05: Objective-C Interoperability

Swift Unwrapped

403 subscribers

published 8+ y ago

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