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import-swift-class-back-to-swift.swift
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// RUN: %empty-directory(%t)
// RUN: split-file %s %t
// RUN: %target-swift-frontend -typecheck %t/swiftMod.swift -typecheck -module-name SwiftMod -emit-clang-header-path %t/swiftMod.h -I %t -enable-experimental-cxx-interop -Xcc -DFIRSTPASS
// RUN: %target-swift-frontend %t/swiftMod.swift -module-name SwiftMod -emit-module -o %t/SwiftMod.swiftmodule -I %t -enable-experimental-cxx-interop -Xcc -DFIRSTPASS
// RUN: %target-swift-ide-test -print-module -module-to-print=SwiftMod -module-to-print=SwiftToCxxTest -I %t -source-filename=x -enable-experimental-cxx-interop -Xcc -DSWIFT_CXX_INTEROP_HIDE_SWIFT_ERROR | %FileCheck --check-prefix=INTERFACE %s
// RUN: %target-swift-frontend -typecheck %t/swiftMod.swift -typecheck -module-name SwiftMod -I %t -enable-experimental-cxx-interop -Xcc -DSWIFT_CXX_INTEROP_HIDE_SWIFT_ERROR -DSECOND_PASS -emit-sil -o - | %FileCheck --check-prefix=SIL %s
// UNSUPPORTED: OS=windows-msvc
// XFAIL: OS=linux-android, OS=linux-androideabi
//--- header.h
#ifndef FIRSTPASS
#include "swiftMod.h"
SwiftMod::ExposedToCxx createSwiftClassInCxx();
void passSwiftClassToCxx(SwiftMod::ExposedToCxx value);
SwiftMod::ExposedToCxx *returnClassByPtr();
SwiftMod::ExposedToCxx & returnClassByRef();
const SwiftMod::ExposedToCxx &returnClassByRefConst();
// INTERFACE: func createSwiftClassInCxx() -> ExposedToCxx
// INTERFACE: func passSwiftClassToCxx(_ value: ExposedToCxx)
// INTERFACE: func returnClassByPtr() -> OpaquePointer!
// INTERFACE-NOT: returnClassByRef
class __attribute__((swift_attr("import_owned"))) InClass {
public:
SwiftMod::ExposedToCxx value;
InClass(SwiftMod::ExposedToCxx value): value(value){}
inline SwiftMod::ExposedToCxx getValue() const {
return value;
}
};
// INTERFACE: struct InClass {
// INTERFACE: init(_ value: ExposedToCxx)
// INTERFACE: func getValue() -> ExposedToCxx
// INTERFACE: }
#endif
//--- module.modulemap
module SwiftToCxxTest {
header "header.h"
requires cplusplus
}
//--- swiftMod.swift
import SwiftToCxxTest
publicclassExposedToCxx{
publicinit(){
i =0
print("ExposedToCxx.init")
}
deinit{
print("ExposedToCxx\(i).deinit")
}
publicfinalfunc testMethod(){
print("ExposedToCxx\(i).testMethod")
}
publicvari:Int
}
#if SECOND_PASS
func testSwiftClassFromCxxInSwift(){
letclassInstance=createSwiftClassInCxx()
passSwiftClassToCxx(classInstance)
}
testSwiftClassFromCxxInSwift()
func testSwiftClassInClass(){
letv=InClass(ExposedToCxx())
v.getValue().testMethod()
}
testSwiftClassInClass()
#endif
// SIL-LABEL: @$s8SwiftMod04testa14ClassFromCxxInA0yyF : $@convention(thin) () -> ()
// SIL: function_ref @{{_Z21createSwiftClassInCxxv|"\?createSwiftClassInCxx@@YA?AVExposedToCxx@SwiftMod@@XZ"}} : $@convention(c) () -> @owned ExposedToCxx
// SIL: apply {{.*}} : $@convention(c) () -> @owned ExposedToCxx
// SIL: function_ref @{{_Z19passSwiftClassToCxxN8SwiftMod12ExposedToCxxE|"\?passSwiftClassToCxx@@YAXVExposedToCxx@SwiftMod@@@Z"}} : $@convention(c) (@in_guaranteed ExposedToCxx) -> ()
// SIL: apply {{.*}} : $@convention(c) (@in_guaranteed ExposedToCxx) -> ()
// SIL-LABEL: @$s8SwiftMod04testa7ClassInD0yyF : $@convention(thin) () -> () {
// SIL: $@convention(c) (@in_guaranteed ExposedToCxx) -> @out InClass
// SIL: $@convention(cxx_method) (@in_guaranteed InClass) -> @owned ExposedToCxx
