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Add retainContainer method #41

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Add retainContainer method #41

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2 changes: 1 addition & 1 deletion FormatTool/Package.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,7 @@ let package = Package(
dependencies: [
.package(
url: "https://github.com/apple/swift-format.git",
exact: "508.0.0"
exact: "508.0.1"
),
],
targets: [
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16 changes: 16 additions & 0 deletions Sources/MQDo/Container/Features.swift
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Original file line number Diff line number Diff line change
@@ -1,5 +1,10 @@
public protocol Features: Sendable {

@Sendable func retainContainer(
file: StaticString,
line: UInt
) throws -> FeaturesContainer

@Sendable func branch<Scope>(
_ scope: Scope.Type,
context: Scope.Context,
Expand Down Expand Up @@ -60,6 +65,17 @@ public protocol Features: Sendable {

extension Features {

@_transparent
@Sendable func retainContainer(
file: StaticString = #file,
line: UInt = #line
) throws -> FeaturesContainer {
try self.retainContainer(
file: file,
line: line
)
}

@_transparent
@Sendable public func require<Scope>(
_ scope: Scope.Type,
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22 changes: 22 additions & 0 deletions Sources/MQDo/Container/Internal/FeaturesProxy.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,28 @@ internal struct FeaturesProxy {

extension FeaturesProxy: Features {

@Sendable internal func retainContainer(
file: StaticString,
line: UInt
) throws -> FeaturesContainer {
if let container: FeaturesContainer = self.container {
return container
}
else {
throw
FeaturesContainerUnavailable
.error(
file: file,
line: line
)
.asRuntimeWarning(
message: "Using detached features container. This is likely a memory issue.",
file: file,
line: line
)
}
}

@_transparent
@Sendable internal func require<Scope>(
_ scope: Scope.Type,
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8 changes: 8 additions & 0 deletions Sources/MQDo/Container/Internal/RootFeatures.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,14 @@ extension RootFeatures: @unchecked Sendable {}

extension RootFeatures: FeaturesContainer {

@_transparent
@Sendable internal func retainContainer(
file: StaticString,
line: UInt
) throws -> FeaturesContainer {
self
}

@_transparent
@Sendable internal func require<Scope>(
_ scope: Scope.Type,
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8 changes: 8 additions & 0 deletions Sources/MQDo/Container/Internal/ScopedFeatures.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,14 @@ extension ScopedFeatures: @unchecked Sendable {}

extension ScopedFeatures: FeaturesContainer {

@_transparent
@Sendable internal func retainContainer(
file: StaticString,
line: UInt
) throws -> FeaturesContainer {
self
}

@Sendable internal func require<RequestedScope>(
_ scope: RequestedScope.Type,
file: StaticString,
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8 changes: 8 additions & 0 deletions Sources/MQDummy/Container/DummyFeatures.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,14 @@ extension DummyFeatures: @unchecked Sendable {}

extension DummyFeatures: FeaturesContainer {

@_transparent
@Sendable public func retainContainer(
file: StaticString,
line: UInt
) throws -> FeaturesContainer {
self
}

@Sendable public func context<Scope>(
for scope: Scope.Type,
file: StaticString,
Expand Down