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[stdlib] Make some more *Pointer operations _transparent #21126

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Merged
merged 1 commit into from
Dec 10, 2018
Merged

[stdlib] Make some more *Pointer operations _transparent #21126

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12 changes: 6 additions & 6 deletions stdlib/public/core/Pointer.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -165,7 +165,7 @@ extension _Pointer /*: Strideable*/ {
///
/// - Returns: A pointer advanced from this pointer by
/// `MemoryLayout<Pointee>.stride` bytes.
@inlinable
@_transparent
public func successor() -> Self {
return advanced(by: 1)
}
Expand All @@ -177,7 +177,7 @@ extension _Pointer /*: Strideable*/ {
///
/// - Returns: A pointer shifted backward from this pointer by
/// `MemoryLayout<Pointee>.stride` bytes.
@inlinable
@_transparent
public func predecessor() -> Self {
return advanced(by: -1)
}
Expand All @@ -199,7 +199,7 @@ extension _Pointer /*: Strideable*/ {
/// - Returns: The distance from this pointer to `end`, in strides of the
/// pointer's `Pointee` type. To access the stride, use
/// `MemoryLayout<Pointee>.stride`.
@inlinable
@_transparent
public func distance(to end: Self) -> Int {
return
Int(Builtin.sub_Word(Builtin.ptrtoint_Word(end._rawValue),
Expand All @@ -222,7 +222,7 @@ extension _Pointer /*: Strideable*/ {
/// zero.
/// - Returns: A pointer offset from this pointer by `n` instances of the
/// `Pointee` type.
@inlinable
@_transparent
public func advanced(by n: Int) -> Self {
return Self(Builtin.gep_Word(
self._rawValue, n._builtinWordValue, Pointee.self))
Expand Down Expand Up @@ -264,7 +264,7 @@ extension Int {
///
/// - Parameter pointer: The pointer to use as the source for the new
/// integer.
@inlinable
@_transparent
public init<P: _Pointer>(bitPattern pointer: P?) {
if let pointer = pointer {
self = Int(Builtin.ptrtoint_Word(pointer._rawValue))
Expand All @@ -282,7 +282,7 @@ extension UInt {
///
/// - Parameter pointer: The pointer to use as the source for the new
/// integer.
@inlinable
@_transparent
public init<P: _Pointer>(bitPattern pointer: P?) {
if let pointer = pointer {
self = UInt(Builtin.ptrtoint_Word(pointer._rawValue))
Expand Down
12 changes: 6 additions & 6 deletions stdlib/public/core/UnsafeRawPointer.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -332,7 +332,7 @@ public struct UnsafeRawPointer: _Pointer {

extension UnsafeRawPointer: Strideable {
// custom version for raw pointers
@inlinable
@_transparent
public func advanced(by n: Int) -> UnsafeRawPointer {
return UnsafeRawPointer(Builtin.gepRaw_Word(_rawValue, n._builtinWordValue))
}
Expand Down Expand Up @@ -937,30 +937,30 @@ public struct UnsafeMutableRawPointer: _Pointer {

extension UnsafeMutableRawPointer: Strideable {
// custom version for raw pointers
@inlinable
@_transparent
public func advanced(by n: Int) -> UnsafeMutableRawPointer {
return UnsafeMutableRawPointer(Builtin.gepRaw_Word(_rawValue, n._builtinWordValue))
}
}

extension OpaquePointer {
@inlinable
@_transparent
public init(_ from: UnsafeMutableRawPointer) {
self._rawValue = from._rawValue
}

@inlinable
@_transparent
public init?(_ from: UnsafeMutableRawPointer?) {
guard let unwrapped = from else { return nil }
self._rawValue = unwrapped._rawValue
}

@inlinable
@_transparent
public init(_ from: UnsafeRawPointer) {
self._rawValue = from._rawValue
}

@inlinable
@_transparent
public init?(_ from: UnsafeRawPointer?) {
guard let unwrapped = from else { return nil }
self._rawValue = unwrapped._rawValue
Expand Down