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// RUN: %empty-directory(%t)
// RUN: split-file %s %t
// RUN: %target-swift-frontend %t/test.swift -I %t/Inputs -typecheck -enable-library-evolution -enable-experimental-cxx-interop -disable-availability-checking -disable-implicit-cxx-module-import -verify
//--- Inputs/module.modulemap
module CxxModule {
header "header.h"
requires cplusplus
}
//--- Inputs/header.h
class CxxStruct {
public:
int x; int y;
void method() const;
};
enum class CxxEnum {
A, B
};
template<class T>
class CxxTemplate {
T v;
};
using CxxTemplateInt = CxxTemplate<int>;
class
__attribute__((swift_attr("import_reference")))
__attribute__((swift_attr("retain:immortal")))
__attribute__((swift_attr("release:immortal")))
SingletonReference {
public:
SingletonReference(const SingletonReference &) = delete;
static SingletonReference * _Nonnull create();
void method();
};
CxxStruct createStruct();
void freeCxxFunction();
using BuiltinIntTypealis = int;
//--- test.swift
import CxxModule
// ok
public func usesBuiltinIntTypealis() -> BuiltinIntTypealis {
return 21
}
// expected-error@+1 {{cannot use class 'SingletonReference' here; C++ types from imported module 'CxxModule' do not support library evolution}}
public func usesCxxSingletonReference() -> SingletonReference {
return SingletonReference.create()
}
// expected-error@+1 {{cannot use struct 'CxxStruct' here; C++ types from imported module 'CxxModule' do not support library evolution}}
public func usesCxxStruct(_ x: CxxStruct) {
}
// expected-error@+1 {{cannot use enum 'CxxEnum' here; C++ types from imported module 'CxxModule' do not support library evolution}}
public typealias EnumT = CxxEnum
extension CxxTemplateInt {
// ok
func testInternal() {
}
}
// expected-error@+1 {{cannot use type alias 'CxxTemplateInt' in an extension with public or '@usableFromInline' members; C++ types from imported module 'CxxModule' do not support library evolution}}
extension CxxTemplateInt {
public func testPublicExt() {
}
}
public func publicFuncInternalBody() {
// ok
let s = createStruct()
s.method()
}
@inlinable
public func publicFuncPublicBody() {
// expected-error@+1 {{class 'SingletonReference' cannot be used in an '@inlinable' function because C++ APIs from imported module 'CxxModule' do not support library evolution}}
let value = SingletonReference.create()
value.method()
}
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