Annotate Foundation overlay with __shared/__owned

Author: Itai Ferber

stdlib/public/SDK/Foundation/AffineTransform.swift

@@ -33,7 +33,7 @@ public struct AffineTransform : ReferenceConvertible, Hashable, CustomStringConv
         self.tY = tY
     }
 
-    fileprivate init(reference: NSAffineTransform) {
+    fileprivate init(reference: __shared NSAffineTransform) {
         m11 = reference.transformStruct.m11
         m12 = reference.transformStruct.m12
         m21 = reference.transformStruct.m21

stdlib/public/SDK/Foundation/Boxing.swift

@@ -19,7 +19,7 @@ internal final class _MutableHandle<MutableType : NSObject>
   where MutableType : NSCopying {
     fileprivate var _pointer : MutableType
 
-    init(reference : MutableType) {
+    init(reference : __shared MutableType) {
         _pointer = reference.copy() as! MutableType
     }
 

stdlib/public/SDK/Foundation/Calendar.swift

@@ -106,7 +106,7 @@ public struct Calendar : Hashable, Equatable, ReferenceConvertible, _MutableBoxi
     // MARK: -
     // MARK: Bridging
 
-    fileprivate init(reference : NSCalendar) {
+    fileprivate init(reference : __shared NSCalendar) {
         _handle = _MutableHandle(reference: reference)
         if __NSCalendarIsAutoupdating(reference) {
             _autoupdating = true

stdlib/public/SDK/Foundation/CharacterSet.swift

@@ -415,7 +415,7 @@ public struct CharacterSet : ReferenceConvertible, Equatable, Hashable, SetAlgeb
         }
     }
 
-    fileprivate init(_bridged characterSet: NSCharacterSet) {
+    fileprivate init(_bridged characterSet: __shared NSCharacterSet) {
         _storage = _CharacterSetStorage(immutableReference: characterSet.copy() as! CFCharacterSet)
     }
 

stdlib/public/SDK/Foundation/Data.swift

@@ -1220,7 +1220,7 @@ public struct Data : ReferenceConvertible, Equatable, Hashable, RandomAccessColl
     /// If the resulting value is mutated, then `Data` will invoke the `mutableCopy()` function on the reference to copy the contents. You may customize the behavior of that function if you wish to return a specialized mutable subclass.
     ///
     /// - parameter reference: The instance of `NSData` that you wish to wrap. This instance will be copied by `struct Data`.
-    public init(referencing reference: NSData) {
+    public init(referencing reference: __shared NSData) {
 #if DEPLOYMENT_RUNTIME_SWIFT
         let providesConcreteBacking = reference._providesConcreteBacking()
 #else

stdlib/public/SDK/Foundation/DateComponents.swift

@@ -269,7 +269,7 @@ public struct DateComponents : ReferenceConvertible, Hashable, Equatable, _Mutab
 
     // MARK: - Bridging Helpers
 
-    fileprivate init(reference: NSDateComponents) {
+    fileprivate init(reference: __shared NSDateComponents) {
         _handle = _MutableHandle(reference: reference)
     }
 

stdlib/public/SDK/Foundation/IndexPath.swift

@@ -684,7 +684,7 @@ public struct IndexPath : ReferenceConvertible, Equatable, Hashable, MutableColl
 
     // MARK: - Bridging Helpers
 
-    fileprivate init(nsIndexPath: ReferenceType) {
+    fileprivate init(nsIndexPath: __shared ReferenceType) {
         let count = nsIndexPath.length
         if count == 0 {
             _indexes = []

stdlib/public/SDK/Foundation/IndexSet.swift

@@ -661,7 +661,7 @@ public struct IndexSet : ReferenceConvertible, Equatable, BidirectionalCollectio
         return _handle.reference
     }
 
-    fileprivate init(reference: NSIndexSet) {
+    fileprivate init(reference: __shared NSIndexSet) {
         _handle = _MutablePairHandle(reference)
     }
 }

stdlib/public/SDK/Foundation/JSONEncoder.swift

@@ -387,7 +387,7 @@ fileprivate struct _JSONEncodingStorage {
         return array
     }
 
-    fileprivate mutating func push(container: NSObject) {
+    fileprivate mutating func push(container: __owned NSObject) {
         self.containers.append(container)
     }
 
@@ -961,7 +961,7 @@ fileprivate class _JSONReferencingEncoder : _JSONEncoder {
 
     /// Initializes `self` by referencing the given dictionary container in the given encoder.
     fileprivate init(referencing encoder: _JSONEncoder,
-                     key: CodingKey, convertedKey: CodingKey, wrapping dictionary: NSMutableDictionary) {
+                     key: CodingKey, convertedKey: __shared CodingKey, wrapping dictionary: NSMutableDictionary) {
         self.encoder = encoder
         self.reference = .dictionary(dictionary, convertedKey.stringValue)
         super.init(options: encoder.options, codingPath: encoder.codingPath)
@@ -1273,7 +1273,7 @@ fileprivate struct _JSONDecodingStorage {
         return self.containers.last!
     }
 
-    fileprivate mutating func push(container: Any) {
+    fileprivate mutating func push(container: __owned Any) {
         self.containers.append(container)
     }
 
@@ -1616,7 +1616,7 @@ fileprivate struct _JSONKeyedDecodingContainer<K : CodingKey> : KeyedDecodingCon
         return _JSONUnkeyedDecodingContainer(referencing: self.decoder, wrapping: array)
     }
 
-    private func _superDecoder(forKey key: CodingKey) throws -> Decoder {
+    private func _superDecoder(forKey key: __owned CodingKey) throws -> Decoder {
         self.decoder.codingPath.append(key)
         defer { self.decoder.codingPath.removeLast() }
 

stdlib/public/SDK/Foundation/Locale.swift

@@ -52,7 +52,7 @@ public struct Locale : Hashable, Equatable, ReferenceConvertible {
         _autoupdating = false
     }
 
-    fileprivate init(reference: NSLocale) {
+    fileprivate init(reference: __shared NSLocale) {
         _wrapped = reference.copy() as! NSLocale
         if __NSLocaleIsAutoupdating(reference) {
             _autoupdating = true

stdlib/public/SDK/Foundation/NSArray.swift

@@ -30,7 +30,7 @@ extension Array : _ObjectiveCBridgeable {
   ///
   /// The provided `NSArray` will be copied to ensure that the copy can
   /// not be mutated by other code.
-  internal init(_cocoaArray: NSArray) {
+  internal init(_cocoaArray: __shared NSArray) {
     assert(_isBridgedVerbatimToObjectiveC(Element.self),
       "Array can be backed by NSArray only when the element type can be bridged verbatim to Objective-C")
     // FIXME: We would like to call CFArrayCreateCopy() to avoid doing an
@@ -153,7 +153,7 @@ extension NSArray {
   /// Discussion: After an immutable array has been initialized in
   /// this way, it cannot be modified.
   @nonobjc
-  public convenience init(array anArray: NSArray) {
+  public convenience init(array anArray: __shared NSArray) {
     self.init(array: anArray as Array)
   }
 }

stdlib/public/SDK/Foundation/NSDictionary.swift

@@ -34,7 +34,7 @@ extension Dictionary {
   ///
   /// The provided `NSDictionary` will be copied to ensure that the copy can
   /// not be mutated by other code.
-  public init(_cocoaDictionary: _NSDictionary) {
+  public init(_cocoaDictionary: __shared _NSDictionary) {
     assert(
       _isBridgedVerbatimToObjectiveC(Key.self) &&
       _isBridgedVerbatimToObjectiveC(Value.self),
@@ -165,7 +165,7 @@ extension NSDictionary : Sequence {
       return nil
     }
 
-    internal init(_ _dict: NSDictionary) {
+    internal init(_ _dict: __shared NSDictionary) {
       _fastIterator = NSFastEnumerationIterator(_dict)
     }
   }
@@ -219,7 +219,7 @@ extension NSDictionary {
   ///   than the original receiver--containing the keys and values
   ///   found in `otherDictionary`.
   @objc(_swiftInitWithDictionary_NSDictionary:)
-  public convenience init(dictionary otherDictionary: NSDictionary) {
+  public convenience init(dictionary otherDictionary: __shared NSDictionary) {
     // FIXME(performance)(compiler limitation): we actually want to do just
     // `self = otherDictionary.copy()`, but Swift does not have factory
     // initializers right now.

stdlib/public/SDK/Foundation/NSError.swift

@@ -398,7 +398,7 @@ extension _BridgedNSError {
 extension _BridgedNSError where Self.RawValue: FixedWidthInteger {
   public var _code: Int { return Int(rawValue) }
 
-  public init?(_bridgedNSError: NSError) {
+  public init?(_bridgedNSError: __shared NSError) {
     if _bridgedNSError.domain != Self._nsErrorDomain {
       return nil
     }