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Initial prototype for Swift 6 mode

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This commit is contained in:
John Estropia
2026-07-07 11:18:17 +09:00
parent 38ec439b18
commit 49f65601cd
71 changed files with 998 additions and 684 deletions
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Sources/Internals.DiffableDataUIDispatcher.swift
+31 -27
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@@ -32,6 +32,8 @@ import QuartzCore
#endif
import os
// MARK: - Internals
@@ -41,7 +43,7 @@ extension Internals {
// Implementation based on https://github.com/ra1028/DiffableDataSources
@usableFromInline
internal final class DiffableDataUIDispatcher<O: DynamicObject> {
internal final class DiffableDataUIDispatcher<O: DynamicObject>: @unchecked Sendable {
// MARK: Internal
@@ -55,10 +57,10 @@ extension Internals {
func purge<Target: DiffableDataSource.Target>(
target: Target?,
animatingDifferences: Bool,
performUpdates: @escaping (
performUpdates: @escaping @Sendable (
Target,
StagedChangeset<[Internals.DiffableDataSourceSnapshot.Section]>,
@escaping ([Internals.DiffableDataSourceSnapshot.Section]) -> Void
@escaping @Sendable ([Internals.DiffableDataSourceSnapshot.Section]) -> Void
) -> Void
) {
@@ -74,14 +76,14 @@ extension Internals {
_ snapshot: DiffableDataSourceSnapshot,
target: Target?,
animatingDifferences: Bool,
performUpdates: @escaping (
performUpdates: @escaping @Sendable (
Target,
StagedChangeset<[Internals.DiffableDataSourceSnapshot.Section]>,
@escaping ([Internals.DiffableDataSourceSnapshot.Section]) -> Void
@escaping @Sendable ([Internals.DiffableDataSourceSnapshot.Section]) -> Void
) -> Void
) {
self.dispatcher.dispatch { [weak self] in
self.dispatcher.dispatch { @MainActor [weak self] in
guard let self = self else {
@@ -97,13 +99,17 @@ extension Internals {
return
}
let performDiffingUpdates: () -> Void = {
let performDiffingUpdates: @MainActor () -> Void = {
let changeset = StagedChangeset(source: self.sections, target: newSections)
performUpdates(target, changeset) { sections in
self.sections = sections
}
performUpdates(
target,
changeset,
{ sections in
self.sections = sections
}
)
}
#if os(watchOS) || !canImport(QuartzCore)
@@ -212,7 +218,7 @@ extension Internals {
// MARK: - ElementPath
@usableFromInline
internal struct ElementPath: Hashable {
internal struct ElementPath: Hashable, Sendable {
@usableFromInline
var element: Int
@@ -231,18 +237,21 @@ extension Internals {
// MARK: - MainThreadSerialDispatcher
fileprivate final class MainThreadSerialDispatcher {
fileprivate final class MainThreadSerialDispatcher: Sendable {
// MARK: FilePrivate
fileprivate init() {}
fileprivate func dispatch(_ action: @escaping () -> Void) {
fileprivate func dispatch(_ action: @escaping @MainActor () -> Void) {
let count = self.executingCount.incrementAndGet()
if Thread.isMainThread && count == 1 {
action()
MainActor.assumeIsolated {
action()
}
self.executingCount.decrement()
}
else {
@@ -267,36 +276,31 @@ extension Internals {
// MARK: - AtomicInt
fileprivate class AtomicInt {
fileprivate final class AtomicInt: Sendable {
// MARK: FilePrivate
fileprivate func incrementAndGet() -> Int {
self.lock.wait()
defer {
return self.value.withLock {
self.lock.signal()
$0 += 1
return $0
}
self.value += 1
return self.value
}
fileprivate func decrement() {
self.lock.wait()
defer {
self.value.withLock {
self.lock.signal()
$0 -= 1
}
self.value -= 1
}
// MARK: Private
private let lock = DispatchSemaphore(value: 1)
private var value = 0
private let value: OSAllocatedUnfairLock<Int> = .init(initialState: 0)
}
}