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// RUN: %empty-directory(%t)
// RUN: %target-swift-frontend %s -typecheck -module-name Generics -enable-experimental-cxx-interop -emit-clang-header-path %t/generics.h
// RUN: %FileCheck %s < %t/generics.h
// RUN: %check-interop-cxx-header-in-clang(%t/generics.h -Wno-reserved-identifier -DSWIFT_CXX_INTEROP_HIDE_STL_OVERLAY)
// RUN: %empty-directory(%t)
// RUN: %target-swift-frontend %s -enable-library-evolution -typecheck -module-name Generics -enable-experimental-cxx-interop -emit-clang-header-path %t/generics.h
// RUN: %FileCheck %s < %t/generics.h
// RUN: %check-interop-cxx-header-in-clang(%t/generics.h -Wno-reserved-identifier -DSWIFT_CXX_INTEROP_HIDE_STL_OVERLAY)
// FIXME: remove the need for -Wno-reserved-identifier
public class TracksDeinit {
init() {
print("init-TracksDeinit")
}
deinit {
print("destroy-TracksDeinit")
}
}
public func constructTracksDeinit() -> TracksDeinit {
return TracksDeinit()
}
@frozen
public struct StructForEnum {
let x: TracksDeinit
public init() {
x = TracksDeinit()
}
}
@frozen public enum GenericOpt<T> {
case none
case some(T)
public func method() {
let copyOfSelf = self
print("GenericOpt<T>::testme::\(copyOfSelf);")
}
public mutating func reset() {
self = .none
}
public func genericMethod<T>(_ x: T) -> T {
print("GenericOpt<T>::genericMethod<T>::\(self),\(x);")
return x
}
public var computedProp: Int {
return 42
}
}
public func makeGenericOpt<T>(_ x: T) -> GenericOpt<T> {
return .some(x)
}
public func makeConcreteOpt(_ x: UInt16) -> GenericOpt<UInt16> {
return GenericOpt<UInt16>.some(x)
}
public func takeGenericOpt<T>(_ x: GenericOpt<T>) {
print(x)
}
public func takeConcreteOpt(_ x: GenericOpt<UInt16>) {
print("CONCRETE opt:", x, ";")
}
public func inoutGenericOpt<T>(_ x: inout GenericOpt<T>, _ y: T) {
switch (x) {
case .some:
x = .none
case .none:
x = .some(y)
}
}
public func inoutConcreteOpt(_ x: inout GenericOpt<UInt16>) {
switch (x) {
case .some(let x_):
x = .some(x_ * 3)
case .none:
break
}
}
@frozen public enum GenericCustomType<T> {
case success(T?)
case failure
}
// CHECK: namespace Generics SWIFT_PRIVATE_ATTR SWIFT_SYMBOL_MODULE("Generics") {
// CHECK: template<class T_0_0>
// CHECK-NEXT: #ifdef __cpp_concepts
// CHECK-NEXT: requires swift::isUsableInGenericContext<T_0_0>
// CHECK-NEXT: #endif
// CHECK-NEXT: class SWIFT_SYMBOL("s:8Generics10GenericOptO") GenericOpt;
// CHECK: template<class T_0_0>
// CHECK-NEXT: #ifdef __cpp_concepts
// CHECK-NEXT: requires swift::isUsableInGenericContext<T_0_0>
// CHECK-NEXT: #endif
// CHECK-NEXT: static inline const constexpr bool isUsableInGenericContext<Generics::GenericOpt<T_0_0>> = isUsableInGenericContext<T_0_0>;
// CHECK: template<class T_0_0>
// CHECK-NEXT: #ifdef __cpp_concepts
// CHECK-NEXT: requires swift::isUsableInGenericContext<T_0_0>
// CHECK-NEXT: #endif
// CHECK-NEXT: class _impl_GenericOpt;
// CHECK: SWIFT_EXTERN swift::_impl::MetadataResponseTy $s8Generics10GenericOptOMa(swift::_impl::MetadataRequestTy, void * _Nonnull) SWIFT_NOEXCEPT SWIFT_CALL;
// CHECK: template<class T_0_0>
// CHECK-NEXT: #ifdef __cpp_concepts
// CHECK-NEXT: requires swift::isUsableInGenericContext<T_0_0>
// CHECK-NEXT: #endif
// CHECK-NEXT: class SWIFT_SYMBOL("s:8Generics10GenericOptO") GenericOpt final {
// CHECK-NEXT: public:
// CHECK-NEXT: #ifndef __cpp_concepts
// CHECK-NEXT: static_assert(swift::isUsableInGenericContext<T_0_0>, "type cannot be used in a Swift generic context");
// CHECK-NEXT: #endif
// CHECK-NEXT: SWIFT_INLINE_THUNK ~GenericOpt() noexcept {
// CHECK-NEXT: auto metadata = _impl::$s8Generics10GenericOptOMa(0, swift::TypeMetadataTrait<T_0_0>::getTypeMetadata());
// CHECK-NEXT: auto *vwTableAddr = reinterpret_cast<swift::_impl::ValueWitnessTable **>(metadata._0) - 1;
// CHECK-NEXT: #ifdef __arm64e__
// CHECK-NEXT: auto *vwTable = reinterpret_cast<swift::_impl::ValueWitnessTable *>(ptrauth_auth_data(reinterpret_cast<void *>(*vwTableAddr), ptrauth_key_process_independent_data, ptrauth_blend_discriminator(vwTableAddr, 11839)));
// CHECK-NEXT: #else
// CHECK-NEXT: auto *vwTable = *vwTableAddr;
// CHECK-NEXT: #endif
// CHECK-NEXT: vwTable->destroy(_getOpaquePointer(), metadata._0);
// CHECK-NEXT: }
// CHECK: enum class cases {
// CHECK-NEXT: some SWIFT_SYMBOL("s:8Generics10GenericOptO4someyACyxGxcAEmlF"),
// CHECK-NEXT: none SWIFT_SYMBOL("s:8Generics10GenericOptO4noneyACyxGAEmlF")
// CHECK-NEXT: };
// CHECK: SWIFT_INLINE_THUNK GenericOpt<T_0_0> operator()(const T_0_0& val) const;
// CHECK-NEXT: } some SWIFT_SYMBOL("s:8Generics10GenericOptO4someyACyxGxcAEmlF");
// CHECK: SWIFT_INLINE_THUNK GenericOpt<T_0_0> operator()() const;
// CHECK-NEXT: } none SWIFT_SYMBOL("s:8Generics10GenericOptO4noneyACyxGAEmlF");
// CHECK: SWIFT_INLINE_THUNK operator cases() const {
// CHECK-NEXT: switch (_getEnumTag()) {
// CHECK-NEXT: case 0: return cases::some;
// CHECK-NEXT: case 1: return cases::none;
// CHECK-NEXT: default: abort();
// CHECK-NEXT: }
// CHECK-NEXT: }
// CHECK: SWIFT_INLINE_THUNK void method() const SWIFT_SYMBOL("s:8Generics10GenericOptO6methodyyF");
// CHECK-NEXT: SWIFT_INLINE_THUNK void reset() SWIFT_SYMBOL("s:8Generics10GenericOptO5resetyyF");
// CHECK-NEXT: template<class T_1_0>
// CHECK-NEXT: #ifdef __cpp_concepts
// CHECK-NEXT: requires swift::isUsableInGenericContext<T_1_0>
// CHECK-NEXT: #endif
// CHECK-NEXT: SWIFT_INLINE_THUNK T_1_0 genericMethod(const T_1_0& x) const SWIFT_SYMBOL("s:8Generics10GenericOptO13genericMethodyqd__qd__lF");
// CHECK-NEXT: SWIFT_INLINE_THUNK swift::Int getComputedProp() const SWIFT_SYMBOL("s:8Generics10GenericOptO12computedPropSivp");
// CHECK: SWIFT_INLINE_THUNK void inoutConcreteOpt(GenericOpt<uint16_t>& x) noexcept SWIFT_SYMBOL("s:8Generics16inoutConcreteOptyyAA07GenericD0Oys6UInt16VGzF") {
// CHECK-NEXT: _impl::$s8Generics16inoutConcreteOptyyAA07GenericD0Oys6UInt16VGzF(_impl::_impl_GenericOpt<uint16_t>::getOpaquePointer(x));
// CHECK-NEXT: }
// CHECK: template<class T_0_0>
// CHECK-NEXT: #ifdef __cpp_concepts
// CHECK-NEXT: requires swift::isUsableInGenericContext<T_0_0>
// CHECK-NEXT: #endif
// CHECK-NEXT: SWIFT_INLINE_THUNK void inoutGenericOpt(GenericOpt<T_0_0>& x, const T_0_0& y) noexcept SWIFT_SYMBOL("s:8Generics15inoutGenericOptyyAA0cD0OyxGz_xtlF") {
// CHECK-NEXT: #ifndef __cpp_concepts
// CHECK-NEXT: static_assert(swift::isUsableInGenericContext<T_0_0>, "type cannot be used in a Swift generic context");
// CHECK-NEXT: #endif
// CHECK-NEXT: _impl::$s8Generics15inoutGenericOptyyAA0cD0OyxGz_xtlF(_impl::_impl_GenericOpt<T_0_0>::getOpaquePointer(x), swift::_impl::getOpaquePointer(y), swift::TypeMetadataTrait<T_0_0>::getTypeMetadata());
// CHECK-NEXT: }
// CHECK: SWIFT_INLINE_THUNK GenericOpt<uint16_t> makeConcreteOpt(uint16_t x) noexcept SWIFT_SYMBOL("s:8Generics15makeConcreteOptyAA07GenericD0Oys6UInt16VGAFF") SWIFT_WARN_UNUSED_RESULT {
// CHECK-NEXT: return _impl::_impl_GenericOpt<uint16_t>::returnNewValue([&](char * _Nonnull result) SWIFT_INLINE_THUNK_ATTRIBUTES {
// CHECK-NEXT: _impl::swift_interop_returnDirect_Generics_uint32_t_0_4(result, _impl::$s8Generics15makeConcreteOptyAA07GenericD0Oys6UInt16VGAFF(x));
// CHECK-NEXT: });
// CHECK-NEXT: }
// CHECK: template<class T_0_0>
// CHECK-NEXT: #ifdef __cpp_concepts
// CHECK-NEXT: requires swift::isUsableInGenericContext<T_0_0>
// CHECK-NEXT: #endif
// CHECK-NEXT: SWIFT_INLINE_THUNK GenericOpt<T_0_0> makeGenericOpt(const T_0_0& x) noexcept SWIFT_SYMBOL("s:8Generics14makeGenericOptyAA0cD0OyxGxlF") SWIFT_WARN_UNUSED_RESULT {
// CHECK-NEXT: #ifndef __cpp_concepts
// CHECK-NEXT: static_assert(swift::isUsableInGenericContext<T_0_0>, "type cannot be used in a Swift generic context");
// CHECK-NEXT: #endif
// CHECK-NEXT: return _impl::_impl_GenericOpt<T_0_0>::returnNewValue([&](char * _Nonnull result) SWIFT_INLINE_THUNK_ATTRIBUTES {
// CHECK-NEXT: _impl::$s8Generics14makeGenericOptyAA0cD0OyxGxlF(result, swift::_impl::getOpaquePointer(x), swift::TypeMetadataTrait<T_0_0>::getTypeMetadata());
// CHECK-NEXT: });
// CHECK-NEXT: }
// CHECK: SWIFT_INLINE_THUNK void takeConcreteOpt(const GenericOpt<uint16_t>& x) noexcept SWIFT_SYMBOL("s:8Generics15takeConcreteOptyyAA07GenericD0Oys6UInt16VGF") {
// CHECK-NEXT: _impl::$s8Generics15takeConcreteOptyyAA07GenericD0Oys6UInt16VGF(_impl::swift_interop_passDirect_Generics_uint32_t_0_4(_impl::_impl_GenericOpt<uint16_t>::getOpaquePointer(x)));
// CHECK-NEXT: }
// CHECK: template<class T_0_0>
// CHECK-NEXT: #ifdef __cpp_concepts
// CHECK-NEXT: requires swift::isUsableInGenericContext<T_0_0>
// CHECK-NEXT: #endif
// CHECK-NEXT: SWIFT_INLINE_THUNK void takeGenericOpt(const GenericOpt<T_0_0>& x) noexcept SWIFT_SYMBOL("s:8Generics14takeGenericOptyyAA0cD0OyxGlF") {
// CHECK-NEXT: #ifndef __cpp_concepts
// CHECK-NEXT: static_assert(swift::isUsableInGenericContext<T_0_0>, "type cannot be used in a Swift generic context");
// CHECK-NEXT: #endif
// CHECK-NEXT: _impl::$s8Generics14takeGenericOptyyAA0cD0OyxGlF(_impl::_impl_GenericOpt<T_0_0>::getOpaquePointer(x), swift::TypeMetadataTrait<T_0_0>::getTypeMetadata());
// CHECK-NEXT: }
// CHECK: template<class T_0_0>
// CHECK-NEXT: #ifdef __cpp_concepts
// CHECK-NEXT: requires swift::isUsableInGenericContext<T_0_0>
// CHECK-NEXT: #endif // __cpp_concepts
// CHECK-NEXT: SWIFT_INLINE_THUNK GenericOpt<T_0_0> GenericOpt<T_0_0>::_impl_some::operator()(const T_0_0& val) const {
// CHECK-NEXT: auto result = GenericOpt<T_0_0>::_make();
// CHECK-NEXT: #pragma clang diagnostic push
// CHECK-NEXT: #pragma clang diagnostic ignored "-Wc++17-extensions"
// CHECK-NEXT: if constexpr (std::is_base_of<::swift::_impl::RefCountedClass, T_0_0>::value) {
// CHECK-NEXT: void *ptr = ::swift::_impl::_impl_RefCountedClass::copyOpaquePointer(val);
// CHECK-NEXT: memcpy(result._getOpaquePointer(), &ptr, sizeof(ptr));
// CHECK-NEXT: } else if constexpr (::swift::_impl::isValueType<T_0_0>) {
// CHECK-NEXT: alignas(T_0_0) unsigned char buffer[sizeof(T_0_0)];
// CHECK-NEXT: auto *valCopy = new(buffer) T_0_0(val);
// CHECK-NEXT: swift::_impl::implClassFor<T_0_0>::type::initializeWithTake(result._getOpaquePointer(), swift::_impl::implClassFor<T_0_0>::type::getOpaquePointer(*valCopy));
// CHECK-NEXT: } else {
// CHECK-NEXT: memcpy(result._getOpaquePointer(), &val, sizeof(val));
// CHECK-NEXT: }
// CHECK-NEXT: #pragma clang diagnostic pop
// CHECK-NEXT: result._destructiveInjectEnumTag(0);
// CHECK-NEXT: return result;
// CHECK-NEXT: }
// CHECK-NEXT: template<class T_0_0>
// CHECK-NEXT: #ifdef __cpp_concepts
// CHECK-NEXT: requires swift::isUsableInGenericContext<T_0_0>
// CHECK-NEXT: #endif
// CHECK-NEXT: SWIFT_INLINE_THUNK bool GenericOpt<T_0_0>::isSome() const {
// CHECK-NEXT: return *this == GenericOpt<T_0_0>::some;
// CHECK-NEXT: }
// CHECK-NEXT: template<class T_0_0>
// CHECK-NEXT: #ifdef __cpp_concepts
// CHECK-NEXT: requires swift::isUsableInGenericContext<T_0_0>
// CHECK-NEXT: #endif
// CHECK-NEXT: SWIFT_INLINE_THUNK T_0_0 GenericOpt<T_0_0>::getSome() const {
// CHECK-NEXT: if (!isSome()) abort();
// CHECK-NEXT: alignas(GenericOpt) unsigned char buffer[sizeof(GenericOpt)];
// CHECK-NEXT: auto *thisCopy = new(buffer) GenericOpt(*this);
// CHECK-NEXT: char * _Nonnull payloadFromDestruction = thisCopy->_destructiveProjectEnumData();
// CHECK-NEXT: #pragma clang diagnostic push
// CHECK-NEXT: #pragma clang diagnostic ignored "-Wc++17-extensions"
// CHECK-NEXT: if constexpr (std::is_base_of<::swift::_impl::RefCountedClass, T_0_0>::value) {
// CHECK-NEXT: void *returnValue;
// CHECK-NEXT: returnValue = *reinterpret_cast<void **>(payloadFromDestruction);
// CHECK-NEXT: return ::swift::_impl::implClassFor<T_0_0>::type::makeRetained(returnValue);
// CHECK-NEXT: } else if constexpr (::swift::_impl::isValueType<T_0_0>) {
// CHECK-NEXT: return ::swift::_impl::implClassFor<T_0_0>::type::returnNewValue([&](void * _Nonnull returnValue) SWIFT_INLINE_THUNK_ATTRIBUTES {
// CHECK-NEXT: return ::swift::_impl::implClassFor<T_0_0>::type::initializeWithTake(reinterpret_cast<char * _Nonnull>(returnValue), payloadFromDestruction);
// CHECK-NEXT: });
// CHECK-NEXT: } else if constexpr (::swift::_impl::isSwiftBridgedCxxRecord<T_0_0>) {
// CHECK-NEXT: abort();
// CHECK-NEXT: } else {
// CHECK-NEXT: T_0_0 returnValue;
// CHECK-NEXT: memcpy(&returnValue, payloadFromDestruction, sizeof(returnValue));
// CHECK-NEXT: return returnValue;
// CHECK-NEXT: }
// CHECK-NEXT: #pragma clang diagnostic pop
// CHECK-NEXT: }
// CHECK-NEXT: template<class T_0_0>
// CHECK-NEXT: #ifdef __cpp_concepts
// CHECK-NEXT: requires swift::isUsableInGenericContext<T_0_0>
// CHECK-NEXT: #endif // __cpp_concepts
// CHECK-NEXT: SWIFT_INLINE_THUNK GenericOpt<T_0_0> GenericOpt<T_0_0>::_impl_none::operator()() const {
// CHECK-NEXT: auto result = GenericOpt<T_0_0>::_make();
// CHECK-NEXT: result._destructiveInjectEnumTag(1);
// CHECK-NEXT: return result;
// CHECK-NEXT: }
// CHECK-NEXT: template<class T_0_0>
// CHECK-NEXT: #ifdef __cpp_concepts
// CHECK-NEXT: requires swift::isUsableInGenericContext<T_0_0>
// CHECK-NEXT: #endif
// CHECK-NEXT: SWIFT_INLINE_THUNK bool GenericOpt<T_0_0>::isNone() const {
// CHECK-NEXT: return *this == GenericOpt<T_0_0>::none;
// CHECK-NEXT: }
// CHECK: template<class T_0_0>
// CHECK-NEXT: #ifdef __cpp_concepts
// CHECK-NEXT: requires swift::isUsableInGenericContext<T_0_0>
// CHECK-NEXT: #endif
// CHECK-NEXT: SWIFT_INLINE_THUNK void GenericOpt<T_0_0>::method() const {
// CHECK-NEXT: #ifndef __cpp_concepts
// CHECK-NEXT: static_assert(swift::isUsableInGenericContext<T_0_0>, "type cannot be used in a Swift generic context");
// CHECK-NEXT: #endif
// CHECK-NEXT: _impl::$s8Generics10GenericOptO6methodyyF(swift::TypeMetadataTrait<GenericOpt<T_0_0>>::getTypeMetadata(), _getOpaquePointer());
// CHECK-NEXT: }
// CHECK: template<class T_0_0>
// CHECK-NEXT: #ifdef __cpp_concepts
// CHECK-NEXT: requires swift::isUsableInGenericContext<T_0_0>
// CHECK-NEXT: #endif
// CHECK-NEXT: void GenericOpt<T_0_0>::reset()
// CHECK: template<class T_0_0>
// CHECK-NEXT: #ifdef __cpp_concepts
// CHECK-NEXT: requires swift::isUsableInGenericContext<T_0_0>
// CHECK-NEXT: #endif
// CHECK-NEXT: template<class T_1_0>
// CHECK-NEXT: #ifdef __cpp_concepts
// CHECK-NEXT: requires swift::isUsableInGenericContext<T_1_0>
// CHECK-NEXT: #endif
// CHECK-NEXT: SWIFT_INLINE_THUNK T_1_0 GenericOpt<T_0_0>::genericMethod(const T_1_0& x) const {
// CHECK: template<class T_0_0>
// CHECK-NEXT: #ifdef __cpp_concepts
// CHECK-NEXT: requires swift::isUsableInGenericContext<T_0_0>
// CHECK-NEXT: #endif
// CHECK-NEXT: SWIFT_INLINE_THUNK swift::Int GenericOpt<T_0_0>::getComputedProp() const {
// CHECK-NEXT: #ifndef __cpp_concepts
// CHECK-NEXT: static_assert(swift::isUsableInGenericContext<T_0_0>, "type cannot be used in a Swift generic context");
// CHECK-NEXT: #endif
// CHECK-NEXT: return _impl::$s8Generics10GenericOptO12computedPropSivg(swift::TypeMetadataTrait<GenericOpt<T_0_0>>::getTypeMetadata(), _getOpaquePointer());
// CHECK-NEXT: }
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