feat: Add additional platform checks

maximkrouk · maximkrouk · commit bd49ee02139b · 2026-02-05T11:25:12.000+01:00
diff --git a/Package.swift b/Package.swift
@@ -3,6 +3,20 @@
 import PackageDescription
 import CompilerPluginSupport
 
+let applePlatforms: [Platform] = [
+	.iOS,
+	.macOS,
+	.macCatalyst,
+	.watchOS,
+	.tvOS,
+	.visionOS
+]
+
+let define_appleOS: SwiftSetting = .define(
+	"appleOS",
+	.when(platforms: applePlatforms)
+)
+
 let package = Package(
 	name: "swift-interception",
 	platforms: [
@@ -55,21 +69,38 @@ let package = Package(
 			dependencies: [
 				.target(name: "InterceptionMacrosPlugin"),
 				.target(name: "_InterceptionCustomSelectors")
+			],
+			swiftSettings: [
+				define_appleOS
+			]
+		),
+		.target(
+			name: "_InterceptionCustomSelectors",
+			swiftSettings: [
+				define_appleOS
 			]
 		),
-		.target(name: "_InterceptionCustomSelectors"),
-		.target(name: "_InterceptionUtilsObjc"),
 		.target(
 			name: "_InterceptionUtils",
 			dependencies: [
-				.target(name: "_InterceptionUtilsObjc"),
+				.target(
+					name: "_InterceptionUtilsObjc",
+					condition: .when(platforms: applePlatforms)
+				),
+			],
+			swiftSettings: [
+				define_appleOS
 			]
 		),
+		.target(name: "_InterceptionUtilsObjc"),
 		.target(
 			name: "Interception",
 			dependencies: [
 				.target(name: "_InterceptionCustomSelectors"),
 				.target(name: "_InterceptionUtils"),
+			],
+			swiftSettings: [
+				define_appleOS
 			]
 		),
 		.target(
@@ -93,18 +124,27 @@ let package = Package(
 			dependencies: [
 				.target(name: "InterceptionMacrosPlugin"),
 				.product(name: "MacroTesting", package: "swift-macro-testing"),
+			],
+			swiftSettings: [
+				define_appleOS
 			]
 		),
 		.testTarget(
 			name: "InterceptionTests",
 			dependencies: [
 				.target(name: "Interception"),
+			],
+			swiftSettings: [
+				define_appleOS
 			]
 		),
 		.testTarget(
 			name: "InterceptionMacrosTests",
 			dependencies: [
 				.target(name: "InterceptionMacros"),
+			],
+			swiftSettings: [
+				define_appleOS
 			]
 		),
 	],
diff --git a/Package@swift-5.9.swift b/Package@swift-5.9.swift
@@ -3,6 +3,20 @@
 import PackageDescription
 import CompilerPluginSupport
 
+let applePlatforms: [Platform] = [
+	.iOS,
+	.macOS,
+	.macCatalyst,
+	.watchOS,
+	.tvOS,
+	.visionOS
+]
+
+let define_appleOS: SwiftSetting = .define(
+	"appleOS",
+	.when(platforms: applePlatforms)
+)
+
 let package = Package(
 	name: "swift-interception",
 	platforms: [
@@ -55,21 +69,38 @@ let package = Package(
 			dependencies: [
 				.target(name: "InterceptionMacrosPlugin"),
 				.target(name: "_InterceptionCustomSelectors")
+			],
+			swiftSettings: [
+				define_appleOS,
+			]
+		),
+		.target(
+			name: "_InterceptionCustomSelectors",
+			swiftSettings: [
+				define_appleOS,
 			]
 		),
-		.target(name: "_InterceptionCustomSelectors"),
-		.target(name: "_InterceptionUtilsObjc"),
 		.target(
 			name: "_InterceptionUtils",
 			dependencies: [
-				.target(name: "_InterceptionUtilsObjc"),
+				.target(
+					name: "_InterceptionUtilsObjc",
+					condition: .when(platforms: applePlatforms)
+				),
+			],
+			swiftSettings: [
+				define_appleOS,
 			]
 		),
+		.target(name: "_InterceptionUtilsObjc"),
 		.target(
 			name: "Interception",
 			dependencies: [
 				.target(name: "_InterceptionCustomSelectors"),
 				.target(name: "_InterceptionUtils"),
+			],
+			swiftSettings: [
+				define_appleOS,
 			]
 		),
 		.target(
@@ -93,18 +124,27 @@ let package = Package(
 			dependencies: [
 				.target(name: "InterceptionMacrosPlugin"),
 				.product(name: "MacroTesting", package: "swift-macro-testing"),
+			],
+			swiftSettings: [
+				define_appleOS,
 			]
 		),
 		.testTarget(
 			name: "InterceptionTests",
 			dependencies: [
 				.target(name: "Interception"),
+			],
+			swiftSettings: [
+				define_appleOS,
 			]
 		),
 		.testTarget(
 			name: "InterceptionMacrosTests",
 			dependencies: [
 				.target(name: "InterceptionMacros"),
+			],
+			swiftSettings: [
+				define_appleOS,
 			]
 		),
 	]
diff --git a/README.md b/README.md
@@ -144,6 +144,10 @@ Do not forget about target dependencies:
 )
 ```
 
+> [!NOTE]
+>
+> _The package is compatible with non-Apple platforms, however this package uses conditional compilation, so APIs are only available on Apple platforms_
+
 ## License
 
 This library is released under the MIT license. See [LICENSE](LICENSE) for details.
diff --git a/Sources/Interception/NSObject+Interception.swift b/Sources/Interception/NSObject+Interception.swift
@@ -1,4 +1,4 @@
-#if canImport(Combine)
+#if appleOS
 import Foundation
 import _InterceptionUtils
 import _InterceptionCustomSelectors
diff --git a/Sources/_InterceptionCustomSelectors/KeyPath+.swift b/Sources/_InterceptionCustomSelectors/KeyPath+.swift
@@ -1,5 +1,6 @@
 import Foundation
 
+#if appleOS
 extension KeyPath {
 	public var getterSelector: Selector? {
 		guard let property = _kvcKeyPathString else { return nil }
@@ -13,3 +14,4 @@ extension WritableKeyPath {
 		return Selector("set" + property.first!.uppercased() + String(property.dropFirst()) + ":")
 	}
 }
+#endif
diff --git a/Sources/_InterceptionCustomSelectors/_MethodSelector.swift b/Sources/_InterceptionCustomSelectors/_MethodSelector.swift
@@ -1,3 +1,4 @@
+#if appleOS
 import Foundation
 
 public protocol _MethodSelectorProtocol<Args, Output> {
@@ -83,3 +84,4 @@ public func _makeMethodSelector<Object, each Arg, Output>(
 ) -> _MethodSelector<(repeat each Arg), Output> {
 	return ._unchecked(selector)
 }
+#endif
diff --git a/Sources/_InterceptionCustomSelectors/_MutablePropertySelector.swift b/Sources/_InterceptionCustomSelectors/_MutablePropertySelector.swift
@@ -1,3 +1,4 @@
+#if appleOS
 import Foundation
 
 public protocol _MutablePropertySelectorProtocol<Value>: _PropertySelectorProtocol {
@@ -43,3 +44,4 @@ public func _unsafeMakePropertySelector<Object: NSObject, Value>(
 ) -> _MutablePropertySelector<Value> {
 	return .init(keyPath)!
 }
+#endif
diff --git a/Sources/_InterceptionCustomSelectors/_PropertySelector.swift b/Sources/_InterceptionCustomSelectors/_PropertySelector.swift
@@ -1,3 +1,4 @@
+#if appleOS
 import Foundation
 
 public protocol _PropertySelectorProtocol<Value> {
@@ -27,3 +28,4 @@ public func _unsafeMakePropertySelector<Object: NSObject, Value>(
 ) -> _ReadonlyPropertySelector<Value> {
 	return .init(keyPath)!
 }
+#endif
diff --git a/Sources/_InterceptionMacros/Macros.swift b/Sources/_InterceptionMacros/Macros.swift
@@ -1,4 +1,6 @@
 import Foundation
+
+#if appleOS
 import _InterceptionCustomSelectors
 
 // MARK: - PropertySelectors
@@ -70,3 +72,4 @@ public macro methodSelector<Object, each Arg, Output>(
 	_: (Object) -> (repeat each Arg) -> Output
 ) -> _MethodSelector<(repeat each Arg), Output> =
 #externalMacro(module: "InterceptionMacrosPlugin", type: "MethodSelectorMacro")
+#endif
diff --git a/Sources/_InterceptionUtils/Exports.swift b/Sources/_InterceptionUtils/Exports.swift
@@ -1,3 +1,5 @@
-#if canImport(_InterceptionUtilsObjc)
+import Foundation
+
+#if appleOS
 @_exported import _InterceptionUtilsObjc
 #endif
diff --git a/Sources/_InterceptionUtils/NSObject+Association.swift b/Sources/_InterceptionUtils/NSObject+Association.swift
@@ -1,3 +1,4 @@
+#if canImport(Darwin)
 import Foundation
 import _InterceptionUtilsObjc
 
@@ -157,3 +158,4 @@ public func unsafeSetAssociatedValue<Value>(
 		policy
 	)
 }
+#endif
diff --git a/Sources/_InterceptionUtils/NSObject+ObjCRuntime.swift b/Sources/_InterceptionUtils/NSObject+ObjCRuntime.swift
@@ -1,3 +1,4 @@
+#if canImport(Darwin)
 import Foundation
 
 extension NSObject {
@@ -9,3 +10,4 @@ extension NSObject {
 		return (self as AnyObject).objcClass
 	}
 }
+#endif
diff --git a/Sources/_InterceptionUtils/ObjC+Constants.swift b/Sources/_InterceptionUtils/ObjC+Constants.swift
@@ -1,3 +1,4 @@
+#if canImport(Darwin)
 import Foundation
 
 // Unavailable selectors in Swift.
@@ -52,3 +53,4 @@ public enum ObjCTypeEncoding: Int8 {
 	case void = 118
 	case undefined = -1
 }
+#endif
diff --git a/Sources/_InterceptionUtils/ObjC+Messages.swift b/Sources/_InterceptionUtils/ObjC+Messages.swift
@@ -1,3 +1,4 @@
+#if canImport(Darwin)
 // Unavailable classes like `NSInvocation` can still be passed into Swift as
 // `AnyClass` and `AnyObject`, and receive messages as `AnyClass` and
 // `AnyObject` existentials.
@@ -88,3 +89,4 @@ public func copyReturnValue<T>(of type: T.Type = T.self, from invocation: AnyObj
 	invocation.objcCopyReturnValue(to: pointer)
 	return pointer.assumingMemoryBound(to: type).pointee
 }
+#endif
diff --git a/Sources/_InterceptionUtils/ObjC+Runtime.swift b/Sources/_InterceptionUtils/ObjC+Runtime.swift
@@ -1,3 +1,4 @@
+#if canImport(Darwin)
 import Foundation
 
 /// Search in `class` for any method that matches the supplied selector without
@@ -25,3 +26,4 @@ public func class_getImmediateMethod(_ `class`: AnyClass, _ selector: Selector)
 	
 	return nil
 }
+#endif
diff --git a/Sources/_InterceptionUtils/ObjC+RuntimeSubclassing.swift b/Sources/_InterceptionUtils/ObjC+RuntimeSubclassing.swift
@@ -1,4 +1,4 @@
-#if canImport(Combine)
+#if canImport(Combine) && canImport(_InterceptionUtilsObjc)
 import Combine
 import Foundation
 
diff --git a/Sources/_InterceptionUtils/ObjC+Selector.swift b/Sources/_InterceptionUtils/ObjC+Selector.swift
@@ -1,3 +1,4 @@
+#if canImport(Darwin)
 import Foundation
 
 extension Selector {
@@ -43,3 +44,4 @@ extension Selector {
 		return sel_registerName(cString)
 	}
 }
+#endif
diff --git a/Sources/_InterceptionUtils/Synchronizing.swift b/Sources/_InterceptionUtils/Synchronizing.swift
@@ -1,3 +1,4 @@
+#if canImport(Darwin)
 import Foundation
 
 public func synchronized<Result>(
@@ -8,3 +9,4 @@ public func synchronized<Result>(
 	defer { objc_sync_exit(token) }
 	return try execute()
 }
+#endif
diff --git a/Tests/InterceptionMacrosPluginTests/MethodSelectorTests.swift b/Tests/InterceptionMacrosPluginTests/MethodSelectorTests.swift
@@ -1,4 +1,6 @@
 import Testing
+
+#if appleOS
 import MacroTesting
 import InterceptionMacrosPlugin
 
@@ -25,3 +27,4 @@ struct MethodSelectorTests {
 		}
 	}
 }
+#endif
diff --git a/Tests/InterceptionMacrosPluginTests/PropertySelectorTests.swift b/Tests/InterceptionMacrosPluginTests/PropertySelectorTests.swift
@@ -1,4 +1,6 @@
 import Testing
+
+#if appleOS
 import MacroTesting
 import InterceptionMacrosPlugin
 
@@ -22,3 +24,4 @@ struct PropertySelectorTests {
 		}
 	}
 }
+#endif
diff --git a/Tests/InterceptionMacrosTests/InterceptionMacrosTests.swift b/Tests/InterceptionMacrosTests/InterceptionMacrosTests.swift
@@ -1,4 +1,6 @@
 import Testing
+
+#if appleOS
 import Foundation
 @testable import InterceptionMacros
 
@@ -214,3 +216,4 @@ fileprivate struct Pair<Left: Equatable, Right: Equatable>: Equatable {
 		self.right = pair.1
 	}
 }
+#endif
diff --git a/Tests/InterceptionTests/InterceptionTests.swift b/Tests/InterceptionTests/InterceptionTests.swift
@@ -1,4 +1,6 @@
 import Testing
+
+#if appleOS
 import Foundation
 @testable import Interception
 
@@ -232,3 +234,4 @@ fileprivate struct Pair<Left: Equatable, Right: Equatable>: Equatable {
 		self.right = pair.1
 	}
 }
+#endif

Original file line number	Diff line number	Diff line change
`@@ -144,6 +144,10 @@ Do not forget about target dependencies:`
`144`	`144`	`)`
`145`	`145`	```
`146`	`146`
	`147`	`+> [!NOTE]`
	`148`	`+>`
	`149`	`+> _The package is compatible with non-Apple platforms, however this package uses conditional compilation, so APIs are only available on Apple platforms_`
	`150`	`+`
`147`	`151`	`## License`
`148`	`152`
`149`	`153`	`This library is released under the MIT license. See [LICENSE](LICENSE) for details.`
Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-#if canImport(Combine)`
	`1`	`+#if appleOS`
`2`	`2`	`import Foundation`
`3`	`3`	`import _InterceptionUtils`
`4`	`4`	`import _InterceptionCustomSelectors`
Original file line number	Diff line number	Diff line change
`@@ -1,5 +1,6 @@`
`1`	`1`	`import Foundation`
`2`	`2`
	`3`	`+#if appleOS`
`3`	`4`	`extension KeyPath {`
`4`	`5`	`public var getterSelector: Selector? {`
`5`	`6`	`guard let property = _kvcKeyPathString else { return nil }`
`@@ -13,3 +14,4 @@ extension WritableKeyPath {`
`13`	`14`	`return Selector("set" + property.first!.uppercased() + String(property.dropFirst()) + ":")`
`14`	`15`	`}`
`15`	`16`	`}`
	`17`	`+#endif`
Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,4 @@`
	`1`	`+#if appleOS`
`1`	`2`	`import Foundation`
`2`	`3`
`3`	`4`	`public protocol _MethodSelectorProtocol<Args, Output> {`
`@@ -83,3 +84,4 @@ public func _makeMethodSelector<Object, each Arg, Output>(`
`83`	`84`	`) -> _MethodSelector<(repeat each Arg), Output> {`
`84`	`85`	`return ._unchecked(selector)`
`85`	`86`	`}`
	`87`	`+#endif`