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41d9c2cc59
The SDK directory is now confusing as the Windows target also has a SDK overlay. In order to make this more uniform, move the SDK directory to Darwin which covers the fact that this covers the XNU family of OSes. The Windows directory contains the SDK overlay for the Windows target.
99 lines
3.5 KiB
Swift
99 lines
3.5 KiB
Swift
//===----------------------------------------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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@_exported import Foundation // Clang module
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import CoreFoundation
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import CoreGraphics
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//===----------------------------------------------------------------------===//
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// NSObject
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//===----------------------------------------------------------------------===//
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// These conformances should be located in the `ObjectiveC` module, but they can't
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// be placed there because string bridging is not available there.
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extension NSObject : CustomStringConvertible {}
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extension NSObject : CustomDebugStringConvertible {}
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public let NSNotFound: Int = .max
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//===----------------------------------------------------------------------===//
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// NSLocalizedString
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//===----------------------------------------------------------------------===//
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/// Returns a localized string, using the main bundle if one is not specified.
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public
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func NSLocalizedString(_ key: String,
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tableName: String? = nil,
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bundle: Bundle = Bundle.main,
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value: String = "",
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comment: String) -> String {
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return bundle.localizedString(forKey: key, value:value, table:tableName)
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}
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//===----------------------------------------------------------------------===//
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// NSLog
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//===----------------------------------------------------------------------===//
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public func NSLog(_ format: String, _ args: CVarArg...) {
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withVaList(args) { NSLogv(format, $0) }
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}
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//===----------------------------------------------------------------------===//
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// AnyHashable
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//===----------------------------------------------------------------------===//
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extension AnyHashable : _ObjectiveCBridgeable {
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public func _bridgeToObjectiveC() -> NSObject {
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// This is unprincipled, but pretty much any object we'll encounter in
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// Swift is NSObject-conforming enough to have -hash and -isEqual:.
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return unsafeBitCast(base as AnyObject, to: NSObject.self)
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}
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public static func _forceBridgeFromObjectiveC(
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_ x: NSObject,
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result: inout AnyHashable?
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) {
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result = AnyHashable(x)
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}
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public static func _conditionallyBridgeFromObjectiveC(
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_ x: NSObject,
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result: inout AnyHashable?
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) -> Bool {
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self._forceBridgeFromObjectiveC(x, result: &result)
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return result != nil
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}
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@_effects(readonly)
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public static func _unconditionallyBridgeFromObjectiveC(
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_ source: NSObject?
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) -> AnyHashable {
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// `nil` has historically been used as a stand-in for an empty
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// string; map it to an empty string.
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if _slowPath(source == nil) { return AnyHashable(String()) }
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return AnyHashable(source!)
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}
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}
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//===----------------------------------------------------------------------===//
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// CVarArg for bridged types
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//===----------------------------------------------------------------------===//
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extension CVarArg where Self: _ObjectiveCBridgeable {
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/// Default implementation for bridgeable types.
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public var _cVarArgEncoding: [Int] {
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let object = self._bridgeToObjectiveC()
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_autorelease(object)
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return _encodeBitsAsWords(object)
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}
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}
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