Switch a bunch of UnsafePointer<T>'s over to T*

Swift SVN r18220

stdlib/core/ArrayBuffer.swift

@@ -165,8 +165,8 @@ extension ArrayBuffer {
   /// starting at target.  Return a pointer past-the-end of the
   /// just-initialized memory.
   func _uninitializedCopy(
-    subRange: Range<Int>, target: UnsafePointer<T>
+    subRange: Range<Int>, target: T*
-  ) -> UnsafePointer<T> {
+  ) -> T* {
     if _fastPath(_isNative) {
       return _native._uninitializedCopy(subRange, target: target)
     }
@@ -225,7 +225,7 @@ extension ArrayBuffer {
 
   /// If the elements are stored contiguously, a pointer to the first
   /// element. Otherwise, nil.
-  var elementStorage: UnsafePointer<T> {
+  var elementStorage: T* {
     if (_fastPath(_isNative)) {
       return _native.elementStorage
     }

stdlib/core/Arrays.swift.gyb

@@ -305,7 +305,7 @@ extension Array {
     count: Builtin.Word
   ) -> Array {
     let elements = UnsafeArray(
-      start: reinterpretCast(base) as UnsafePointer<T>,
+      start: reinterpretCast(base) as T*,
       length: reinterpretCast(count) as Int
     )
     let r = Array(elements)
@@ -556,7 +556,7 @@ func _arrayOutOfPlaceUpdate<
 }
 
 struct InitializePointer<T> : PointerFunction {
-  func call(rawMemory: UnsafePointer<T>) {
+  func call(rawMemory: T*) {
     // FIXME: maybe we should move here instead of copying?
     rawMemory.initialize(newValue)
   }

stdlib/core/BridgeObjectiveC.swift

@@ -164,7 +164,7 @@ var _nilRawPointer: Builtin.RawPointer {
 ///   lvalue),
 /// - an inout argument of the Array<T> type, which gets passed as a pointer
 ///   to the beginning of the array,
-/// - an UnsafePointer<T>, which is passed as-is.
+/// - an T*, which is passed as-is.
 ///
 /// The value consists of an owner-value pair. During bridging, a strong
 /// reference to the owner is held for the duration of the call, and the pointer
@@ -212,7 +212,7 @@ struct CMutablePointer<T> : Equatable {
 
   /// Make the pointer available as an UnsafePointer within a closure.
   @transparent
-  func withUnsafePointer<U>(f: UnsafePointer<T> -> U) -> U {
+  func withUnsafePointer<U>(f: T* -> U) -> U {
     let result = f(UnsafePointer<T>(value))
     // Ensure the owner pointer stays alive for the duration of the closure.
     _fixLifetime(owner)
@@ -247,7 +247,7 @@ func == <T> (lhs: CConstPointer<T>, rhs: CMutablePointer<T>) -> Bool {
 ///   lvalue),
 /// - an inout argument of Array<T> type for any T, which gets passed as a
 ///   pointer to the beginning of the array,
-/// - an UnsafePointer<T> for any T or COpaquePointer, which is passed as-is.
+/// - an T* for any T or COpaquePointer, which is passed as-is.
 ///
 /// The value consists of an owner-value pair. During bridging, a strong
 /// reference to the owner is held for the duration of the call, and the pointer
@@ -293,7 +293,7 @@ struct CMutableVoidPointer : Equatable {
 
   /// Make the pointer available as an UnsafePointer within a closure.
   @transparent
-  func withUnsafePointer<T, U>(f: UnsafePointer<T> -> U) -> U {
+  func withUnsafePointer<T, U>(f: T* -> U) -> U {
     let result = f(UnsafePointer(value))
     // Ensure the owner pointer stays alive for the duration of the closure.
     _fixLifetime(owner)
@@ -314,10 +314,10 @@ func == (lhs: CMutableVoidPointer, rhs: CMutableVoidPointer) -> Bool {
 /// - 'nil', which gets passed as a null pointer,
 /// - an inout argument of the referenced type, which gets passed as a pointer
 ///   to a writeback temporary with autoreleasing ownership semantics,
-/// - an UnsafePointer<T>, which is passed as-is.
+/// - an T*, which is passed as-is.
 ///
 /// Unlike CMutablePointer, passing pointers to mutable arrays of ObjC class
-/// pointers is not directly supported. Unlike UnsafePointer<T>,
+/// pointers is not directly supported. Unlike T*,
 /// ObjCMutablePointer must reference storage that does not own a reference
 /// count to the referenced value. UnsafePointer's operations, by contrast,
 /// assume that the referenced storage owns values loaded from or stored to it.
@@ -363,7 +363,7 @@ struct ObjCMutablePointer<T /* TODO : class */> : Equatable {
 
   @transparent
   func isNull() -> Bool {
-    return UnsafePointer<T>(self).isNull()
+    return (T*(self)).isNull()
   }
   
   /// Access the underlying raw memory, getting and
@@ -373,7 +373,7 @@ struct ObjCMutablePointer<T /* TODO : class */> : Equatable {
     @transparent get {
       _debugPrecondition(!isNull())
       // We can do a strong load normally.
-      return UnsafePointer<T>(self).pointee
+      return (T*(self)).pointee
     }
     /// Set the value the pointer points to, copying over the previous value.
     ///
@@ -446,7 +446,7 @@ struct CConstPointer<T> : Equatable {
 
   /// Make the pointer available as an UnsafePointer within a closure.
   @transparent
-  func withUnsafePointer<U>(f: UnsafePointer<T> -> U) -> U {
+  func withUnsafePointer<U>(f: T* -> U) -> U {
     let result = f(UnsafePointer<T>(value))
     // Ensure the owner pointer stays alive for the duration of the closure.
     _fixLifetime(owner)
@@ -488,7 +488,7 @@ struct CConstVoidPointer : Equatable {
 
   /// Make the pointer available as an UnsafePointer within a closure.
   @transparent
-  func withUnsafePointer<T, U>(f: UnsafePointer<T> -> U) -> U {
+  func withUnsafePointer<T, U>(f: T* -> U) -> U {
     let result = f(UnsafePointer(value))
     // Ensure the owner pointer stays alive for the duration of the closure.
     _fixLifetime(owner)
@@ -550,7 +550,7 @@ extension COpaquePointer {
 
 @transparent
 func _convertCConstPointerToUnsafePointer<T>(p: CConstPointer<T>)
--> UnsafePointer<T> {
+-> T* {
   return UnsafePointer(p.value)
 }
 
@@ -562,7 +562,7 @@ func _convertCConstVoidPointerToCOpaquePointer(p: CConstVoidPointer)
 
 @transparent
 func _convertCMutablePointerToUnsafePointer<T>(p: CMutablePointer<T>)
--> UnsafePointer<T> {
+-> T* {
   return UnsafePointer(p.value)
 }
 
@@ -574,7 +574,7 @@ func _convertCMutableVoidPointerToCOpaquePointer(p: CMutableVoidPointer)
 
 @transparent
 func _convertObjCMutablePointerToUnsafePointer<T>(p: ObjCMutablePointer<T>)
--> UnsafePointer<T> {
+-> T* {
   return UnsafePointer(p.value)
 }
 
@@ -588,7 +588,7 @@ func _convertObjCMutablePointerToUnsafePointer<T>(p: ObjCMutablePointer<T>)
 // the arguments to C*Pointer types with nil owner references.
 
 @transparent
-func _convertUnsafePointerToCConstPointer<T>(p: UnsafePointer<T>)
+func _convertUnsafePointerToCConstPointer<T>(p: T*)
 -> CConstPointer<T> {
   return CConstPointer(_nilNativeObject, p.value)
 }
@@ -600,7 +600,7 @@ func _convertCOpaquePointerToCConstVoidPointer(p: COpaquePointer)
 }
 
 @transparent
-func _convertUnsafePointerToCMutablePointer<T>(p: UnsafePointer<T>)
+func _convertUnsafePointerToCMutablePointer<T>(p: T*)
 -> CMutablePointer<T> {
   return CMutablePointer(owner: _nilNativeObject, value: p.value)
 }
@@ -612,7 +612,7 @@ func _convertCOpaquePointerToCMutableVoidPointer(p: COpaquePointer)
 }
 
 @transparent
-func _convertUnsafePointerToObjCMutablePointer<T>(p: UnsafePointer<T>)
+func _convertUnsafePointerToObjCMutablePointer<T>(p: T*)
 -> ObjCMutablePointer<T> {
   return ObjCMutablePointer(p.value)
 }

stdlib/core/CTypes.swift

@@ -111,7 +111,7 @@ extension COpaquePointer {
   // FIXME: This shouldn't have to be in an extension.
   //
   /// Convert a typed UnsafePointer to an opaque C pointer.
-  init<T>(_ from : UnsafePointer<T>) {
+  init<T>(_ from : T*) {
     value = from.value;
   }
 }

stdlib/core/ContiguousArrayBuffer.swift

@@ -63,13 +63,13 @@ struct ContiguousArrayBuffer<T> : ArrayBufferType, LogicValue {
 
   /// If the elements are stored contiguously, a pointer to the first
   /// element. Otherwise, nil.
-  var elementStorage: UnsafePointer<T> {
+  var elementStorage: T* {
     return base ? base.elementStorage : nil
   }
 
   /// A pointer to the first element, assuming that the elements are stored
   /// contiguously.
-  var _unsafeElementStorage: UnsafePointer<T> {
+  var _unsafeElementStorage: T* {
     return base.elementStorage
   }
 
@@ -165,8 +165,8 @@ struct ContiguousArrayBuffer<T> : ArrayBufferType, LogicValue {
   /// starting at target.  Return a pointer past-the-end of the
   /// just-initialized memory.
   func _uninitializedCopy(
-    subRange: Range<Int>, target: UnsafePointer<T>
+    subRange: Range<Int>, target: T*
-  ) -> UnsafePointer<T> {
+  ) -> T* {
     _sanityCheck(subRange.startIndex >= 0)
     _sanityCheck(subRange.endIndex >= subRange.startIndex)
     _sanityCheck(subRange.endIndex <= count)

stdlib/core/Reflection.swift

@@ -195,7 +195,7 @@ protocol Mirror {
 /// without unnecessary copying of the underlying value.
 @asmname("swift_unsafeReflectAny") func unsafeReflect<T>(
   owner: Builtin.NativeObject,
-  ptr: UnsafePointer<T>
+  ptr: T*
 ) -> Mirror
 
 

stdlib/core/SliceBuffer.swift

@@ -18,7 +18,7 @@ struct SliceBuffer<T> : ArrayBufferType {
 
   init(
     owner: AnyObject?,
-    start: UnsafePointer<T>,
+    start: T*,
     count: Int,
     hasNativeBuffer: Bool
   ) {
@@ -73,7 +73,7 @@ struct SliceBuffer<T> : ArrayBufferType {
   
   /// An object that keeps the elements stored in this buffer alive
   var owner: AnyObject?
-  var start: UnsafePointer<T>
+  var start: T*
   var _countAndFlags: UInt
 
   //===--- Non-essential bits ---------------------------------------------===//
@@ -111,8 +111,8 @@ struct SliceBuffer<T> : ArrayBufferType {
   }
   
   func _uninitializedCopy(
-    subRange: Range<Int>, var target: UnsafePointer<T>
+    subRange: Range<Int>, var target: T*
-  ) -> UnsafePointer<T> {
+  ) -> T* {
     _invariantCheck()
     _sanityCheck(subRange.startIndex >= 0)
     _sanityCheck(subRange.endIndex >= subRange.startIndex)
@@ -123,7 +123,7 @@ struct SliceBuffer<T> : ArrayBufferType {
     return target
   }
 
-  var elementStorage: UnsafePointer<T> {
+  var elementStorage: T* {
     return start
   }
 

stdlib/core/Unicode.swift

@@ -240,7 +240,7 @@ extension UTF16 {
   }
 
   static func copy<T: StringElement, U: StringElement>(
-    source: UnsafePointer<T>, destination: UnsafePointer<U>, count: Int
+    source: T*, destination: UnsafePointer<U>, count: Int
   ) {
     if UWord(Builtin.strideof(T.self)) == UWord(Builtin.strideof(U.self)) {
       c_memcpy(

stdlib/core/UnsafeArray.swift

@@ -32,7 +32,7 @@ struct UnsafeArray<T> : Collection, Generator {
     return (_position + i).pointee
   }
   
-  init(start: UnsafePointer<T>, length: Int) {
+  init(start: T*, length: Int) {
     _position = start
     _end = start + length
   }
@@ -48,5 +48,5 @@ struct UnsafeArray<T> : Collection, Generator {
     return self
   }
   
-  var _position, _end: UnsafePointer<T>
+  var _position, _end: T*
 }

stdlib/core/UnsafePointer.swift

@@ -285,34 +285,34 @@ struct UnsafePointer<T> : BidirectionalIndex, Comparable, Hashable {
 }
 
 @transparent
-func == <T> (lhs: UnsafePointer<T>, rhs: UnsafePointer<T>) -> Bool {
+func == <T> (lhs: T*, rhs: T*) -> Bool {
   return Bool(Builtin.cmp_eq_RawPointer(lhs.value, rhs.value))
 }
 
 @transparent
-func < <T>(lhs: UnsafePointer<T>, rhs: UnsafePointer<T>) -> Bool {
+func < <T>(lhs: T*, rhs: T*) -> Bool {
   return Bool(Builtin.cmp_ult_RawPointer(lhs.value, rhs.value))
 }
 
 @transparent
-func + <T>(lhs: UnsafePointer<T>, rhs: Int) -> UnsafePointer<T> {
+func + <T>(lhs: T*, rhs: Int) -> T* {
   return UnsafePointer(
     Builtin.gep_Word(lhs.value, (rhs * Int(Builtin.strideof(T.self))).value))
 }
 
 @transparent
 func + <T>(lhs: Int,
-           rhs: UnsafePointer<T>) -> UnsafePointer<T> {
+           rhs: T*) -> T* {
   return rhs + lhs
 }
 
 @transparent
-func - <T>(lhs: UnsafePointer<T>, rhs: Int) -> UnsafePointer<T> {
+func - <T>(lhs: T*, rhs: Int) -> T* {
   return lhs + -rhs
 }
 
 @transparent
-func - <T>(lhs: UnsafePointer<T>, rhs: UnsafePointer<T>) -> Int {
+func - <T>(lhs: T*, rhs: T*) -> Int {
   return
     Int(Builtin.sub_Word(Builtin.ptrtoint_Word(lhs.value),
                          Builtin.ptrtoint_Word(rhs.value)))
@@ -320,12 +320,12 @@ func - <T>(lhs: UnsafePointer<T>, rhs: UnsafePointer<T>) -> Int {
 }
 
 @transparent
-@assignment func += <T>(inout lhs: UnsafePointer<T>, rhs: Int) {
+@assignment func += <T>(inout lhs: T*, rhs: Int) {
   lhs = lhs + rhs
 }
 
 @transparent
-@assignment func -= <T>(inout lhs: UnsafePointer<T>, rhs: Int) {
+@assignment func -= <T>(inout lhs: T*, rhs: Int) {
   lhs = lhs - rhs
 }
 
@@ -345,7 +345,7 @@ struct RawByte {
 // Make nil work with UnsafePointer
 extension _Nil {
   @transparent
-  @conversion func __conversion<T>() -> UnsafePointer<T> {
+  @conversion func __conversion<T>() -> T* {
     return .null()
   }
 }

stdlib/objc/Foundation/Foundation.swift

@@ -143,7 +143,7 @@ func __swift_initializeCocoaStringBridge() -> COpaquePointer {
 // buffer copying.
 //
 func _cocoaStringReadAllImpl(
-  source: _CocoaString, destination: UnsafePointer<UTF16.CodeUnit>) {
+  source: _CocoaString, destination: UTF16.CodeUnit*) {
   let cfSelf: CFString = reinterpretCast(source)
   CFStringGetCharacters(
   cfSelf, CFRange(location: 0, length: CFStringGetLength(cfSelf)), destination)
@@ -239,7 +239,7 @@ class _NSContiguousString : NSString {
   }
 
   @objc
-  func _fastCharacterContents() -> UnsafePointer<unichar> {
+  func _fastCharacterContents() -> unichar* {
     return value.elementWidth == 2 ? UnsafePointer(value.startUTF16) : nil
   }