示例#1
0
AbstractionPattern
AbstractionPattern::getOptional(AbstractionPattern object) {
  switch (object.getKind()) {
  case Kind::Invalid:
    llvm_unreachable("querying invalid abstraction pattern!");
  case Kind::Tuple:
  case Kind::PartialCurriedObjCMethodType:
  case Kind::CurriedObjCMethodType:
  case Kind::CFunctionAsMethodType:
  case Kind::PartialCurriedCFunctionAsMethodType:
  case Kind::CurriedCFunctionAsMethodType:
  case Kind::ObjCMethodType:
    llvm_unreachable("cannot add optionality to non-type abstraction");
  case Kind::Opaque:
    return AbstractionPattern::getOpaque();
  case Kind::ClangType:
    return AbstractionPattern(object.getGenericSignature(),
                              OptionalType::get(object.getType())
                                ->getCanonicalType(),
                              object.getClangType());
  case Kind::Type:
    return AbstractionPattern(object.getGenericSignature(),
                              OptionalType::get(object.getType())
                                ->getCanonicalType());
  case Kind::Discard:
    return AbstractionPattern::getDiscard(object.getGenericSignature(),
                              OptionalType::get(object.getType())
                                ->getCanonicalType());
  }
  llvm_unreachable("bad kind");
}
示例#2
0
SILType SILType::getFieldType(VarDecl *field, SILModule &M) const {
  assert(field->getDeclContext() == getNominalOrBoundGenericNominal());
  AbstractionPattern origFieldTy = M.Types.getAbstractionPattern(field);
  CanType substFieldTy;
  if (field->hasClangNode()) {
    substFieldTy = origFieldTy.getType();
  } else {
    substFieldTy =
      getSwiftRValueType()->getTypeOfMember(M.getSwiftModule(),
                                            field, nullptr)->getCanonicalType();
  }
  auto loweredTy = M.Types.getLoweredType(origFieldTy, substFieldTy);
  if (isAddress() || getClassOrBoundGenericClass() != nullptr) {
    return loweredTy.getAddressType();
  } else {
    return loweredTy.getObjectType();
  }
}
示例#3
0
文件: Bridging.cpp 项目: apple/swift
SILType TypeConverter::getLoweredTypeOfGlobal(VarDecl *var) {
  AbstractionPattern origType = getAbstractionPattern(var);
  assert(!origType.isTypeParameter());
  return getLoweredType(origType, origType.getType()).getObjectType();
}