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[Runtime] Allow ~Escapable types in _getMangledTypeName. #80000

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Merged
merged 1 commit into from
Mar 14, 2025
Merged

[Runtime] Allow ~Escapable types in _getMangledTypeName. #80000

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4 changes: 2 additions & 2 deletions stdlib/public/core/Misc.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -98,15 +98,15 @@ func _typeName(_ type: Any.Type, qualified: Bool = true) -> String {
@available(SwiftStdlib 5.3, *)
@_silgen_name("swift_getMangledTypeName")
@_preInverseGenerics
public func _getMangledTypeName(_ type: any ~Copyable.Type)
public func _getMangledTypeName(_ type: any (~Copyable & ~Escapable).Type)
-> (UnsafePointer<UInt8>, Int)

/// Returns the mangled name for a given type.
@available(SwiftStdlib 5.3, *)
@_unavailableInEmbedded
@_preInverseGenerics
public // SPI
func _mangledTypeName(_ type: any ~Copyable.Type) -> String? {
func _mangledTypeName(_ type: any (~Copyable & ~Escapable).Type) -> String? {
let (stringPtr, count) = unsafe _getMangledTypeName(type)
guard count > 0 else {
return nil
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6 changes: 6 additions & 0 deletions test/Runtime/demangleToMetadata.swift
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Expand Up @@ -494,6 +494,7 @@ DemangleToMetadataTests.test("Nested types in same-type-constrained extensions")
}

struct NonCopyable: ~Copyable {}
struct NonEscapable: ~Escapable {}

if #available(SwiftStdlib 5.3, *) {
DemangleToMetadataTests.test("Round-trip with _mangledTypeName and _typeByName") {
Expand Down Expand Up @@ -531,6 +532,11 @@ if #available(SwiftStdlib 5.3, *) {
let type: any ~Copyable.Type = NonCopyable.self
expectEqual("4main11NonCopyableV", _mangledTypeName(type))
}

DemangleToMetadataTests.test("Check _MangledTypeName with any ~Escapable.Type") {
let type: any ~Escapable.Type = NonEscapable.self
expectEqual("4main12NonEscapableV", _mangledTypeName(type))
}
}

if #available(SwiftStdlib 5.1, *) {
Expand Down