-
Notifications
You must be signed in to change notification settings - Fork 295
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
_CollectionsUtilities: Use gyb to allow defining these helpers as int…
…ernal or public depending on COLLECTIONS_SINGLE_MODULE This is a thoroughly disgusting solution, but needs must. 😞 Hopefully macros will let us eventually replace this mess.
- Loading branch information
Showing
32 changed files
with
4,276 additions
and
136 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
98 changes: 98 additions & 0 deletions
98
...ionsUtilities/Compatibility/autogenerated/Array+WithContiguousStorage Compatibility.swift
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| //===----------------------------------------------------------------------===// | ||
| // | ||
| // This source file is part of the Swift Collections open source project | ||
| // | ||
| // Copyright (c) 2021 - 2023 Apple Inc. and the Swift project authors | ||
| // Licensed under Apache License v2.0 with Runtime Library Exception | ||
| // | ||
| // See https://swift.org/LICENSE.txt for license information | ||
| // | ||
| //===----------------------------------------------------------------------===// | ||
|
|
||
|
|
||
| // ############################################################################# | ||
| // # # | ||
| // # DO NOT EDIT THIS FILE; IT IS AUTOGENERATED. # | ||
| // # # | ||
| // ############################################################################# | ||
|
|
||
|
|
||
| extension Array { | ||
| /// Returns true if `Array.withContiguousStorageIfAvailable` is broken | ||
| /// in the stdlib we're currently running on. | ||
| /// | ||
| /// See https://bugs.swift.org/browse/SR-14663. | ||
| @inlinable @inline(__always) | ||
| internal static func _isWCSIABroken() -> Bool { | ||
| #if _runtime(_ObjC) | ||
| guard _isBridgedVerbatimToObjectiveC(Element.self) else { | ||
| // SR-14663 only triggers on array values that are verbatim bridged | ||
| // from Objective-C, so it cannot ever trigger for element types | ||
| // that aren't verbatim bridged. | ||
| return false | ||
| } | ||
|
|
||
| // SR-14663 was introduced in Swift 5.1, and it was resolved in Swift 5.5. | ||
| // Check if we have a broken stdlib. | ||
|
|
||
| // The bug is caused by a bogus precondition inside a non-inlinable stdlib | ||
| // method, so to determine if we're affected, we need to check the currently | ||
| // running OS version. | ||
| #if os(macOS) || os(iOS) || os(watchOS) || os(tvOS) | ||
| if #available(macOS 12.0, iOS 15.0, watchOS 8.0, tvOS 15.0, *) { | ||
| // The OS is too new to be affected by this bug. (>= 5.5 stdlib) | ||
| return false | ||
| } | ||
| // guard #available(macOS 10.15, iOS 13.0, watchOS 6.0, tvOS 13, *) else { | ||
| // // The OS is too old to be affected by this bug. (< 5.1 stdlib) | ||
| // return false | ||
| // } | ||
| return true | ||
| #else | ||
| // Assume that other platforms aren't affected. | ||
| return false | ||
| #endif | ||
|
|
||
| #else | ||
| // Platforms that don't have an Objective-C runtime don't have verbatim | ||
| // bridged array values, so the bug doesn't apply to them. | ||
| return false | ||
| #endif | ||
| } | ||
| } | ||
|
|
||
|
|
||
| // In single module mode, we need these declarations to be internal, | ||
| // but in regular builds we want them to be public. Unfortunately | ||
| // the current best way to do this is to duplicate all definitions. | ||
| #if COLLECTIONS_SINGLE_MODULE | ||
| extension Sequence { | ||
| // An adjusted version of the standard `withContiguousStorageIfAvailable` | ||
| // method that works around https://bugs.swift.org/browse/SR-14663. | ||
| @inlinable @inline(__always) | ||
| internal func _withContiguousStorageIfAvailable_SR14663<R>( | ||
| _ body: (UnsafeBufferPointer<Element>) throws -> R | ||
| ) rethrows -> R? { | ||
| if Self.self == Array<Element>.self && Array<Element>._isWCSIABroken() { | ||
| return nil | ||
| } | ||
|
|
||
| return try self.withContiguousStorageIfAvailable(body) | ||
| } | ||
| } | ||
| #else // !COLLECTIONS_SINGLE_MODULE | ||
| extension Sequence { | ||
| // An adjusted version of the standard `withContiguousStorageIfAvailable` | ||
| // method that works around https://bugs.swift.org/browse/SR-14663. | ||
| @inlinable @inline(__always) | ||
| public func _withContiguousStorageIfAvailable_SR14663<R>( | ||
| _ body: (UnsafeBufferPointer<Element>) throws -> R | ||
| ) rethrows -> R? { | ||
| if Self.self == Array<Element>.self && Array<Element>._isWCSIABroken() { | ||
| return nil | ||
| } | ||
|
|
||
| return try self.withContiguousStorageIfAvailable(body) | ||
| } | ||
| } | ||
| #endif // COLLECTIONS_SINGLE_MODULE |
Oops, something went wrong.