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// RUN: %empty-directory(%t)
// RUN: %target-swift-frontend %s -enable-library-evolution -typecheck -module-name Enums -clang-header-expose-decls=all-public -emit-clang-header-path %t/enums.h
// RUN: %FileCheck --check-prefixes=CHECK,OLD_CASE %s < %t/enums.h
// RUN: %target-swift-frontend %s -enable-library-evolution -D NEW_CASE -typecheck -module-name Enums -clang-header-expose-decls=all-public -emit-clang-header-path %t/enums_new_case.h
// RUN: %FileCheck --check-prefixes=CHECK,NEW_CASE %s < %t/enums_new_case.h
// RUN: %check-interop-cxx-header-in-clang(%t/enums.h -Wno-unused-private-field -Wno-unused-function)
// RUN: %check-interop-cxx-header-in-clang(%t/enums_new_case.h -Wno-unused-private-field -Wno-unused-function)
public enum Foo {
case a(Double)
#if NEW_CASE
case b(Int)
#endif
}
public func makeFoo(_ x: Int) -> Foo {
#if NEW_CASE
if x >= 0 {
return .b(x)
} else {
return .a(Double(x))
}
#else
return .a(Double(x))
#endif
}
public func printFoo(_ x: Foo) {
print(x)
}
public enum Empty {
}
// CHECK: // Tags for resilient enum Empty
// CHECK-NEXT: extern "C" {
// CHECK-NEXT: }
// CHECK-EMPTY:
// CHECK-NEXT: } // namespace _impl
// CHECK-EMPTY:
// CHECK-NEXT: class SWIFT_SYMBOL("s:5Enums5EmptyO") Empty final {
// CHECK: enum class cases {
// CHECK-NEXT: unknownDefault
// CHECK-NEXT: };
// CHECK: inline const static struct _impl_unknownDefault { // impl struct for case unknownDefault
// CHECK-NEXT: SWIFT_INLINE_THUNK constexpr operator cases() const {
// CHECK-NEXT: return cases::unknownDefault;
// CHECK-NEXT: }
// CHECK-NEXT: } unknownDefault;
// CHECK-NEXT: SWIFT_INLINE_THUNK bool isUnknownDefault() const;
// CHECK: SWIFT_INLINE_THUNK operator cases() const {
// CHECK-NEXT: return cases::unknownDefault;
// CHECK-NEXT: }
// CHECK: // Tags for resilient enum Foo
// CHECK-NEXT: extern "C" {
// CHECK-NEXT: extern unsigned $s5Enums3FooO1ayACSdcACmFWC;
// NEW_CASE-NEXT: extern unsigned $s5Enums3FooO1byACSicACmFWC;
// CHECK-NEXT: }
// CHECK-EMPTY:
// CHECK-NEXT: } // namespace _impl
// CHECK-EMPTY:
// CHECK-NEXT: class SWIFT_SYMBOL("s:5Enums3FooO") Foo final {
// CHECK-NEXT: public:
// CHECK: enum class cases {
// CHECK-NEXT: a SWIFT_SYMBOL("s:5Enums3FooO1ayACSdcACmF"),
// NEW_CASE-NEXT: b SWIFT_SYMBOL("s:5Enums3FooO1byACSicACmF"),
// CHECK-NEXT: unknownDefault
// CHECK-NEXT: }
// CHECK: inline const static struct _impl_unknownDefault { // impl struct for case unknownDefault
// CHECK-NEXT: SWIFT_INLINE_THUNK constexpr operator cases() const {
// CHECK-NEXT: return cases::unknownDefault;
// CHECK-NEXT: }
// CHECK-NEXT: } unknownDefault;
// CHECK-NEXT: SWIFT_INLINE_THUNK bool isUnknownDefault() const;
// CHECK-EMPTY:
// CHECK: SWIFT_INLINE_THUNK operator cases() const {
// CHECK-NEXT: auto tag = _getEnumTag();
// CHECK-NEXT: if (tag == _impl::$s5Enums3FooO1ayACSdcACmFWC) return cases::a;
// NEW_CASE-NEXT: if (tag == _impl::$s5Enums3FooO1byACSicACmFWC) return cases::b;
// CHECK-NEXT: return cases::unknownDefault;
// CHECK-NEXT: }
// CHECK: SWIFT_INLINE_THUNK Foo Foo::_impl_a::operator()(double val) const {
// CHECK-NEXT: auto result = Foo::_make();
// CHECK-NEXT: memcpy(result._getOpaquePointer(), &val, sizeof(val));
// CHECK-NEXT: result._destructiveInjectEnumTag(_impl::$s5Enums3FooO1ayACSdcACmFWC);
// CHECK-NEXT: return result;
// CHECK-NEXT: }
// NEW_CASE: SWIFT_INLINE_THUNK Foo Foo::_impl_b::operator()(swift::Int val) const {
// NEW_CASE-NEXT: auto result = Foo::_make();
// NEW_CASE-NEXT: memcpy(result._getOpaquePointer(), &val, sizeof(val));
// NEW_CASE-NEXT: result._destructiveInjectEnumTag(_impl::$s5Enums3FooO1byACSicACmFWC);
// NEW_CASE-NEXT: return result;
// NEW_CASE-NEXT: }
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