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132 lines
5.4 KiB
Swift
132 lines
5.4 KiB
Swift
// RUN: %empty-directory(%t)
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// RUN: %target-swift-frontend %s -typecheck -module-name Functions -enable-experimental-cxx-interop -clang-header-expose-decls=has-expose-attr-or-stdlib -enable-experimental-feature GenerateBindingsForThrowingFunctionsInCXX -emit-clang-header-path %t/functions.h
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// RUN: %FileCheck %s < %t/functions.h
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// RUN: %check-interop-cxx-header-in-clang(%t/functions.h -DSWIFT_CXX_INTEROP_HIDE_STL_OVERLAY -Wno-unused-function)
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// for experimental feature GenerateBindingsForThrowingFunctionsInCXX:
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// REQUIRES: asserts
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// CHECK-LABEL: namespace Functions __attribute__((swift_private)) SWIFT_SYMBOL_MODULE("Functions") {
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// CHECK-LABEL: namespace _impl {
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// CHECK: SWIFT_EXTERN void $s9Functions18emptyThrowFunctionyyKF(SWIFT_CONTEXT void * _Nonnull _ctx, SWIFT_ERROR_RESULT void * _Nullable * _Nullable _error) SWIFT_CALL; // emptyThrowFunction()
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// CHECK: SWIFT_EXTERN void $s9Functions18testDestroyedErroryyKF(SWIFT_CONTEXT void * _Nonnull _ctx, SWIFT_ERROR_RESULT void * _Nullable * _Nullable _error) SWIFT_CALL; // testDestroyedError()
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// CHECK: SWIFT_EXTERN void $s9Functions13throwFunctionyyKF(SWIFT_CONTEXT void * _Nonnull _ctx, SWIFT_ERROR_RESULT void * _Nullable * _Nullable _error) SWIFT_CALL; // throwFunction()
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// CHECK: SWIFT_EXTERN ptrdiff_t $s9Functions31throwFunctionWithPossibleReturnyS2iKF(ptrdiff_t a, SWIFT_CONTEXT void * _Nonnull _ctx, SWIFT_ERROR_RESULT void * _Nullable * _Nullable _error) SWIFT_CALL; // throwFunctionWithPossibleReturn(_:)
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// CHECK: SWIFT_EXTERN ptrdiff_t $s9Functions23throwFunctionWithReturnSiyKF(SWIFT_CONTEXT void * _Nonnull _ctx, SWIFT_ERROR_RESULT void * _Nullable * _Nullable _error) SWIFT_CALL; // throwFunctionWithReturn()
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// CHECK: }
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@_expose(Cxx)
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public enum NaiveErrors : Error {
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case returnError
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case throwError
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public func getMessage() {
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print(self)
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}
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}
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@_expose(Cxx)
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public func emptyThrowFunction() throws { print("passEmptyThrowFunction") }
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// CHECK: SWIFT_INLINE_THUNK Swift::ThrowingResult<void> emptyThrowFunction() SWIFT_SYMBOL("s:9Functions18emptyThrowFunctionyyKF") {
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// CHECK: void* opaqueError = nullptr;
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// CHECK: void* _ctx = nullptr;
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// CHECK: _impl::$s9Functions18emptyThrowFunctionyyKF(_ctx, &opaqueError);
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// CHECK: if (opaqueError != nullptr)
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// CHECK: #ifdef __cpp_exceptions
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// CHECK: throw (Swift::Error(opaqueError));
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// CHECK: #else
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// CHECK: return Swift::Expected<void>(Swift::Error(opaqueError));
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// CHECK: #endif
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// CHECK: }
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class TestDestroyed {
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deinit {
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print("Test destroyed")
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}
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}
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@_expose(Cxx)
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public struct DestroyedError : Error {
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let t = TestDestroyed()
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}
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@_expose(Cxx)
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public func testDestroyedError() throws { throw DestroyedError() }
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// CHECK: SWIFT_INLINE_THUNK Swift::ThrowingResult<void> testDestroyedError() SWIFT_SYMBOL("s:9Functions18testDestroyedErroryyKF") {
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// CHECK: void* opaqueError = nullptr;
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// CHECK: void* _ctx = nullptr;
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// CHECK: _impl::$s9Functions18testDestroyedErroryyKF(_ctx, &opaqueError);
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// CHECK: if (opaqueError != nullptr)
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// CHECK: #ifdef __cpp_exceptions
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// CHECK: throw (Swift::Error(opaqueError));
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// CHECK: #else
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// CHECK: return Swift::Expected<void>(Swift::Error(opaqueError));
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// CHECK: #endif
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// CHECK: }
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@_expose(Cxx)
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public func throwFunction() throws {
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print("passThrowFunction")
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throw NaiveErrors.throwError
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}
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// CHECK: SWIFT_INLINE_THUNK Swift::ThrowingResult<void> throwFunction() SWIFT_SYMBOL("s:9Functions13throwFunctionyyKF") {
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// CHECK: void* opaqueError = nullptr;
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// CHECK: void* _ctx = nullptr;
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// CHECK: _impl::$s9Functions13throwFunctionyyKF(_ctx, &opaqueError);
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// CHECK: if (opaqueError != nullptr)
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// CHECK: #ifdef __cpp_exceptions
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// CHECK: throw (Swift::Error(opaqueError));
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// CHECK: #else
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// CHECK: return Swift::Expected<void>(Swift::Error(opaqueError));
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// CHECK: #endif
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// CHECK: }
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@_expose(Cxx)
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public func throwFunctionWithPossibleReturn(_ a: Int) throws -> Int {
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print("passThrowFunctionWithPossibleReturn")
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if (a == 0) {
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throw NaiveErrors.returnError
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}
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return 0
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}
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// CHECK: SWIFT_INLINE_THUNK Swift::ThrowingResult<swift::Int> throwFunctionWithPossibleReturn(swift::Int a) SWIFT_SYMBOL("s:9Functions31throwFunctionWithPossibleReturnyS2iKF") SWIFT_WARN_UNUSED_RESULT {
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// CHECK: void* opaqueError = nullptr;
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// CHECK: void* _ctx = nullptr;
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// CHECK: auto returnValue = _impl::$s9Functions31throwFunctionWithPossibleReturnyS2iKF(a, _ctx, &opaqueError);
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// CHECK: if (opaqueError != nullptr)
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// CHECK: #ifdef __cpp_exceptions
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// CHECK: throw (Swift::Error(opaqueError));
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// CHECK: #else
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// CHECK: return Swift::Expected<swift::Int>(Swift::Error(opaqueError));
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// CHECK: #endif
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// CHECK: return SWIFT_RETURN_THUNK(swift::Int, returnValue);
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// CHECK: }
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@_expose(Cxx)
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public func throwFunctionWithReturn() throws -> Int {
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print("passThrowFunctionWithReturn")
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throw NaiveErrors.returnError
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return 0
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}
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// CHECK: SWIFT_INLINE_THUNK Swift::ThrowingResult<swift::Int> throwFunctionWithReturn() SWIFT_SYMBOL("s:9Functions23throwFunctionWithReturnSiyKF") SWIFT_WARN_UNUSED_RESULT {
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// CHECK: void* opaqueError = nullptr;
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// CHECK: void* _ctx = nullptr;
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// CHECK: auto returnValue = _impl::$s9Functions23throwFunctionWithReturnSiyKF(_ctx, &opaqueError);
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// CHECK: #ifdef __cpp_exceptions
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// CHECK: throw (Swift::Error(opaqueError));
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// CHECK: #else
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// CHECK: return Swift::Expected<swift::Int>(Swift::Error(opaqueError));
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// CHECK: #endif
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// CHECK: return SWIFT_RETURN_THUNK(swift::Int, returnValue);
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// CHECK: }
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