static ManagedValue emitNativeToCBridgedNonoptionalValue(SILGenFunction &gen,
SILLocation loc,
ManagedValue v,
SILType bridgedTy) {
CanType loweredBridgedTy = bridgedTy.getSwiftRValueType();
CanType loweredNativeTy = v.getType().getSwiftRValueType();
if (loweredNativeTy == loweredBridgedTy)
return v;
// FIXME: Handle this via an _ObjectiveCBridgeable query rather than
// hardcoding String -> NSString.
if (loweredNativeTy == gen.SGM.Types.getStringType()
&& loweredBridgedTy == gen.SGM.Types.getNSStringType()) {
if (auto result = emitBridgeNativeToObjectiveC(gen, loc, v))
return *result;
return gen.emitUndef(loc, bridgedTy);
}
// If the input is a native type with a bridged mapping, convert it.
#define BRIDGE_TYPE(BridgedModule,BridgedType, NativeModule,NativeType,Opt) \
if (loweredNativeTy == gen.SGM.Types.get##NativeType##Type() \
&& loweredBridgedTy == gen.SGM.Types.get##BridgedType##Type()) { \
return emitBridge##NativeType##To##BridgedType(gen, loc, v); \
}
#include "swift/SIL/BridgedTypes.def"
// Bridge thick to Objective-C metatypes.
if (auto bridgedMetaTy = dyn_cast<AnyMetatypeType>(loweredBridgedTy)) {
if (bridgedMetaTy->getRepresentation() == MetatypeRepresentation::ObjC) {
SILValue native = gen.B.emitThickToObjCMetatype(loc, v.getValue(),
SILType::getPrimitiveObjectType(loweredBridgedTy));
return ManagedValue(native, v.getCleanup());
}
}
// Bridge native functions to blocks.
auto bridgedFTy = dyn_cast<SILFunctionType>(loweredBridgedTy);
if (bridgedFTy
&& bridgedFTy->getRepresentation() == SILFunctionType::Representation::Block){
auto nativeFTy = cast<SILFunctionType>(loweredNativeTy);
if (nativeFTy->getRepresentation() != SILFunctionType::Representation::Block)
return gen.emitFuncToBlock(loc, v, bridgedFTy);
}
// If the native type conforms to _ObjectiveCBridgeable, use its
// _bridgeToObjectiveC witness.
if (auto conformance =
gen.SGM.getConformanceToObjectiveCBridgeable(loc, loweredNativeTy)) {
if (auto result = emitBridgeNativeToObjectiveC(gen, loc, v, conformance))
return *result;
return gen.emitUndef(loc, bridgedTy);
}
return v;
}
static ManagedValue emitNativeToCBridgedNonoptionalValue(SILGenFunction &gen,
SILLocation loc,
ManagedValue v,
SILType bridgedTy) {
CanType loweredBridgedTy = bridgedTy.getSwiftRValueType();
CanType loweredNativeTy = v.getType().getSwiftRValueType();
if (loweredNativeTy == loweredBridgedTy)
return v;
// If the input is a native type with a bridged mapping, convert it.
#define BRIDGE_TYPE(BridgedModule,BridgedType, NativeModule,NativeType,Opt) \
if (loweredNativeTy == gen.SGM.Types.get##NativeType##Type() \
&& loweredBridgedTy == gen.SGM.Types.get##BridgedType##Type()) { \
return emitBridge##NativeType##To##BridgedType(gen, loc, v); \
}
#include "swift/SIL/BridgedTypes.def"
// Bridge thick to Objective-C metatypes.
if (auto bridgedMetaTy = dyn_cast<AnyMetatypeType>(loweredBridgedTy)) {
if (bridgedMetaTy->getRepresentation() == MetatypeRepresentation::ObjC) {
SILValue native = gen.B.emitThickToObjCMetatype(loc, v.getValue(),
SILType::getPrimitiveObjectType(loweredBridgedTy));
return ManagedValue(native, v.getCleanup());
}
}
// Bridge native functions to blocks.
auto bridgedFTy = dyn_cast<SILFunctionType>(loweredBridgedTy);
if (bridgedFTy
&& bridgedFTy->getRepresentation() == SILFunctionType::Representation::Block){
auto nativeFTy = cast<SILFunctionType>(loweredNativeTy);
if (nativeFTy->getRepresentation() != SILFunctionType::Representation::Block)
return gen.emitFuncToBlock(loc, v, bridgedFTy);
}
// Bridge Array to NSArray.
if (auto arrayDecl = gen.getASTContext().getArrayDecl()) {
if (v.getType().getSwiftRValueType().getAnyNominal() == arrayDecl) {
SILDeclRef bridgeFn = gen.SGM.getArrayToNSArrayFn();
return emitBridgeCollectionFromNative(gen, loc, bridgeFn, v, bridgedTy);
}
}
// Bridge Dictionary to NSDictionary.
if (auto dictDecl = gen.getASTContext().getDictionaryDecl()) {
if (v.getType().getSwiftRValueType().getAnyNominal() == dictDecl) {
SILDeclRef bridgeFn = gen.SGM.getDictionaryToNSDictionaryFn();
return emitBridgeCollectionFromNative(gen, loc, bridgeFn, v, bridgedTy);
}
}
// Bridge Set to NSSet.
if (auto setDecl = gen.getASTContext().getSetDecl()) {
if (v.getType().getSwiftRValueType().getAnyNominal() == setDecl) {
SILDeclRef bridgeFn = gen.SGM.getSetToNSSetFn();
return emitBridgeCollectionFromNative(gen, loc, bridgeFn, v, bridgedTy);
}
}
return v;
}
