本文整理汇总了C++中SILGenFunction::emitOptionalToOptional方法的典型用法代码示例。如果您正苦于以下问题：C++ SILGenFunction::emitOptionalToOptional方法的具体用法？C++ SILGenFunction::emitOptionalToOptional怎么用？C++ SILGenFunction::emitOptionalToOptional使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类SILGenFunction的用法示例。
在下文中一共展示了SILGenFunction::emitOptionalToOptional方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: emitNativeToCBridgedValue
static ManagedValue emitNativeToCBridgedValue(SILGenFunction &gen,
SILLocation loc,
ManagedValue v,
SILType bridgedTy) {
CanType loweredBridgedTy = bridgedTy.getSwiftRValueType();
CanType loweredNativeTy = v.getType().getSwiftRValueType();
if (loweredNativeTy == loweredBridgedTy)
return v;
if (loweredNativeTy.getAnyOptionalObjectType()) {
return gen.emitOptionalToOptional(loc, v, bridgedTy,
emitNativeToCBridgedValue);
}
// Check if we need to wrap the bridged result in an optional.
OptionalTypeKind OTK;
if (SILType bridgedObjectType =
bridgedTy.getAnyOptionalObjectType(gen.SGM.M, OTK)) {
auto bridgedPayload
= emitNativeToCBridgedNonoptionalValue(gen, loc, v, bridgedObjectType);
return gen.getOptionalSomeValue(loc, bridgedPayload,
gen.getTypeLowering(bridgedTy));
}
return emitNativeToCBridgedNonoptionalValue(gen, loc, v, bridgedTy);
}示例2: emitCBridgedToNativeValue
static ManagedValue emitCBridgedToNativeValue(SILGenFunction &gen,
SILLocation loc,
ManagedValue v,
SILType nativeTy) {
CanType loweredNativeTy = nativeTy.getSwiftRValueType();
CanType loweredBridgedTy = v.getType().getSwiftRValueType();
if (loweredNativeTy == loweredBridgedTy)
return v;
if (loweredNativeTy.getAnyOptionalObjectType()) {
return gen.emitOptionalToOptional(loc, v, nativeTy,
emitCBridgedToNativeValue);
}
// Bridge Bool to ObjCBool or DarwinBoolean when requested.
if (loweredNativeTy == gen.SGM.Types.getBoolType()) {
if (loweredBridgedTy == gen.SGM.Types.getObjCBoolType()) {
return emitBridgeForeignBoolToBool(gen, loc, v,
gen.SGM.getObjCBoolToBoolFn());
}
if (loweredBridgedTy == gen.SGM.Types.getDarwinBooleanType()) {
return emitBridgeForeignBoolToBool(gen, loc, v,
gen.SGM.getDarwinBooleanToBoolFn());
}
}
// Bridge Objective-C to thick metatypes.
if (auto bridgedMetaTy = dyn_cast<AnyMetatypeType>(loweredBridgedTy)){
if (bridgedMetaTy->getRepresentation() == MetatypeRepresentation::ObjC) {
SILValue native = gen.B.emitObjCToThickMetatype(loc, v.getValue(),
gen.getLoweredType(loweredNativeTy));
return ManagedValue(native, v.getCleanup());
}
}
// Bridge blocks back into native function types.
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.emitBlockToFunc(loc, v, nativeFTy);
}
// Bridge via _ObjectiveCBridgeable.
if (auto conformance =
gen.SGM.getConformanceToObjectiveCBridgeable(loc, loweredNativeTy)) {
if (auto result = emitBridgeObjectiveCToNative(gen, loc, v, conformance))
return *result;
assert(gen.SGM.getASTContext().Diags.hadAnyError() &&
"Bridging code should have complained");
return gen.emitUndef(loc, nativeTy);
}
return v;
}示例3: emitCBridgedToNativeValue
static ManagedValue emitCBridgedToNativeValue(SILGenFunction &gen,
SILLocation loc,
ManagedValue v,
SILType nativeTy) {
CanType loweredNativeTy = nativeTy.getSwiftRValueType();
CanType loweredBridgedTy = v.getType().getSwiftRValueType();
if (loweredNativeTy == loweredBridgedTy)
return v;
if (loweredNativeTy.getAnyOptionalObjectType()) {
return gen.emitOptionalToOptional(loc, v, nativeTy,
emitCBridgedToNativeValue);
}
// Bridge Bool to ObjCBool or DarwinBoolean when requested.
if (loweredNativeTy == gen.SGM.Types.getBoolType()) {
if (loweredBridgedTy == gen.SGM.Types.getObjCBoolType()) {
return emitBridgeForeignBoolToBool(gen, loc, v,
gen.SGM.getObjCBoolToBoolFn());
}
if (loweredBridgedTy == gen.SGM.Types.getDarwinBooleanType()) {
return emitBridgeForeignBoolToBool(gen, loc, v,
gen.SGM.getDarwinBooleanToBoolFn());
}
}
// Bridge Objective-C to thick metatypes.
if (auto bridgedMetaTy = dyn_cast<AnyMetatypeType>(loweredBridgedTy)){
if (bridgedMetaTy->getRepresentation() == MetatypeRepresentation::ObjC) {
SILValue native = gen.B.emitObjCToThickMetatype(loc, v.getValue(),
gen.getLoweredType(loweredNativeTy));
return ManagedValue(native, v.getCleanup());
}
}
// Bridge blocks back into native function types.
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.emitBlockToFunc(loc, v, nativeFTy);
}
// Bridge NSString to String.
if (auto stringDecl = gen.getASTContext().getStringDecl()) {
if (nativeTy.getSwiftRValueType()->getAnyNominal() == stringDecl) {
return emitBridgeNSStringToString(gen, loc, v);
}
}
// Bridge NSArray to Array.
if (auto arrayDecl = gen.getASTContext().getArrayDecl()) {
if (nativeTy.getSwiftRValueType()->getAnyNominal() == arrayDecl) {
SILDeclRef bridgeFn = gen.SGM.getNSArrayToArrayFn();
return emitBridgeCollectionToNative(gen, loc, bridgeFn, v, nativeTy);
}
}
// Bridge NSDictionary to Dictionary.
if (auto dictDecl = gen.getASTContext().getDictionaryDecl()) {
if (nativeTy.getSwiftRValueType()->getAnyNominal() == dictDecl) {
SILDeclRef bridgeFn = gen.SGM.getNSDictionaryToDictionaryFn();
return emitBridgeCollectionToNative(gen, loc, bridgeFn, v, nativeTy);
}
}
// Bridge NSSet to Set.
if (auto setDecl = gen.getASTContext().getSetDecl()) {
if (nativeTy.getSwiftRValueType()->getAnyNominal() == setDecl) {
SILDeclRef bridgeFn = gen.SGM.getNSSetToSetFn();
return emitBridgeCollectionToNative(gen, loc, bridgeFn, v, nativeTy);
}
}
return v;
}