dart::TypedDataViewMessageDeserializationCluster Class Reference

Inheritance diagram for dart::TypedDataViewMessageDeserializationCluster:

Classes
struct	Dart_CTypedDataView

Public Member Functions
	TypedDataViewMessageDeserializationCluster (intptr_t cid)
	~TypedDataViewMessageDeserializationCluster ()
void	ReadNodes (MessageDeserializer *d)
void	ReadEdges (MessageDeserializer *d)
ObjectPtr	PostLoad (MessageDeserializer *d)
void	ReadNodesApi (ApiMessageDeserializer *d)
void	ReadEdgesApi (ApiMessageDeserializer *d)
void	PostLoadApi (ApiMessageDeserializer *d)
Public Member Functions inherited from dart::MessageDeserializationCluster
	MessageDeserializationCluster (const char *name, bool is_canonical=false)
virtual	~MessageDeserializationCluster ()
void	ReadNodesWrapped (MessageDeserializer *d)
void	ReadNodesWrappedApi (ApiMessageDeserializer *d)
const char *	name () const
bool	is_canonical () const
Public Member Functions inherited from dart::ZoneAllocated
	ZoneAllocated ()
void *	operator new (size_t size)
void *	operator new (size_t size, Zone *zone)
void	operator delete (void *pointer)

Additional Inherited Members
Protected Member Functions inherited from dart::MessageDeserializationCluster
ObjectPtr	PostLoadAbstractType (MessageDeserializer *d)
ObjectPtr	PostLoadLinkedHash (MessageDeserializer *d)
	DISALLOW_COPY_AND_ASSIGN (MessageDeserializationCluster)
Protected Attributes inherited from dart::MessageDeserializationCluster
const char *const	name_
const bool	is_canonical_
intptr_t	start_index_
intptr_t	stop_index_

Detailed Description

Definition at line 1570 of file message_snapshot.cc.

Constructor & Destructor Documentation

TypedDataViewMessageDeserializationCluster()

dart::TypedDataViewMessageDeserializationCluster::TypedDataViewMessageDeserializationCluster ( intptr_t  cid )

inlineexplicit

Definition at line 1573 of file message_snapshot.cc.

      : MessageDeserializationCluster("TypedDataView"), cid_(cid) {}

~TypedDataViewMessageDeserializationCluster()

dart::TypedDataViewMessageDeserializationCluster::~TypedDataViewMessageDeserializationCluster ( )

inline

Definition at line 1575 of file message_snapshot.cc.

{}

Member Function Documentation

PostLoad()

ObjectPtr dart::TypedDataViewMessageDeserializationCluster::PostLoad ( MessageDeserializer *  d )

inlinevirtual

Reimplemented from dart::MessageDeserializationCluster.

Definition at line 1621 of file message_snapshot.cc.

                                             {
    if (format_ == kTypedDataViewFromC) return nullptr;
    for (intptr_t id = start_index_; id < stop_index_; id++) {
      TypedDataViewPtr view = static_cast<TypedDataViewPtr>(d->Ref(id));
      view->untag()->RecomputeDataField();
    }
    return nullptr;
  }

PostLoadApi()

void dart::TypedDataViewMessageDeserializationCluster::PostLoadApi ( ApiMessageDeserializer *  d )

inlinevirtual

Reimplemented from dart::MessageDeserializationCluster.

Definition at line 1715 of file message_snapshot.cc.

                                              {
    if (format_ == kTypedDataViewFromC) return;
    Dart_TypedData_Type type;
    switch (cid_) {
      case kTypedDataInt8ArrayViewCid:
      case kUnmodifiableTypedDataInt8ArrayViewCid:
        type = Dart_TypedData_kInt8;
        break;
      case kTypedDataUint8ArrayViewCid:
      case kUnmodifiableTypedDataUint8ArrayViewCid:
        type = Dart_TypedData_kUint8;
        break;
      case kTypedDataUint8ClampedArrayViewCid:
      case kUnmodifiableTypedDataUint8ClampedArrayViewCid:
        type = Dart_TypedData_kUint8Clamped;
        break;
      case kTypedDataInt16ArrayViewCid:
      case kUnmodifiableTypedDataInt16ArrayViewCid:
        type = Dart_TypedData_kInt16;
        break;
      case kTypedDataUint16ArrayViewCid:
      case kUnmodifiableTypedDataUint16ArrayViewCid:
        type = Dart_TypedData_kUint16;
        break;
      case kTypedDataInt32ArrayViewCid:
      case kUnmodifiableTypedDataInt32ArrayViewCid:
        type = Dart_TypedData_kInt32;
        break;
      case kTypedDataUint32ArrayViewCid:
      case kUnmodifiableTypedDataUint32ArrayViewCid:
        type = Dart_TypedData_kUint32;
        break;
      case kTypedDataInt64ArrayViewCid:
      case kUnmodifiableTypedDataInt64ArrayViewCid:
        type = Dart_TypedData_kInt64;
        break;
      case kTypedDataUint64ArrayViewCid:
      case kUnmodifiableTypedDataUint64ArrayViewCid:
        type = Dart_TypedData_kUint64;
        break;
      case kTypedDataFloat32ArrayViewCid:
      case kUnmodifiableTypedDataFloat32ArrayViewCid:
        type = Dart_TypedData_kFloat32;
        break;
      case kTypedDataFloat64ArrayViewCid:
      case kUnmodifiableTypedDataFloat64ArrayViewCid:
        type = Dart_TypedData_kFloat64;
        break;
      case kTypedDataInt32x4ArrayViewCid:
      case kUnmodifiableTypedDataInt32x4ArrayViewCid:
        type = Dart_TypedData_kInt32x4;
        break;
      case kTypedDataFloat32x4ArrayViewCid:
      case kUnmodifiableTypedDataFloat32x4ArrayViewCid:
        type = Dart_TypedData_kFloat32x4;
        break;
      case kTypedDataFloat64x2ArrayViewCid:
      case kUnmodifiableTypedDataFloat64x2ArrayViewCid:
        type = Dart_TypedData_kFloat64x2;
        break;
      default:
        UNREACHABLE();
    }
 
    for (intptr_t id = start_index_; id < stop_index_; id++) {
      Dart_CTypedDataView* view = static_cast<Dart_CTypedDataView*>(d->Ref(id));
      if (view->typed_data->type == Dart_CObject_kTypedData) {
        view->type = Dart_CObject_kTypedData;
        view->value.as_typed_data.type = type;
        view->value.as_typed_data.length = view->length->value.as_int32;
        view->value.as_typed_data.values =
            view->typed_data->value.as_typed_data.values +
            view->offset_in_bytes->value.as_int32;
      } else {
        UNREACHABLE();
      }
    }
  }

ReadEdges()

void dart::TypedDataViewMessageDeserializationCluster::ReadEdges ( MessageDeserializer *  d )

inlinevirtual

Reimplemented from dart::MessageDeserializationCluster.

Definition at line 1610 of file message_snapshot.cc.

                                         {
    if (format_ == kTypedDataViewFromC) return;
    for (intptr_t id = start_index_; id < stop_index_; id++) {
      TypedDataViewPtr view = static_cast<TypedDataViewPtr>(d->Ref(id));
      view->untag()->set_length(static_cast<SmiPtr>(d->ReadRef()));
      view->untag()->set_typed_data(
          static_cast<TypedDataBasePtr>(d->ReadRef()));
      view->untag()->set_offset_in_bytes(static_cast<SmiPtr>(d->ReadRef()));
    }
  }

ReadEdgesApi()

void dart::TypedDataViewMessageDeserializationCluster::ReadEdgesApi ( ApiMessageDeserializer *  d )

inlinevirtual

Reimplemented from dart::MessageDeserializationCluster.

Definition at line 1705 of file message_snapshot.cc.

                                               {
    if (format_ == kTypedDataViewFromC) return;
    for (intptr_t id = start_index_; id < stop_index_; id++) {
      Dart_CTypedDataView* view = static_cast<Dart_CTypedDataView*>(d->Ref(id));
      view->length = d->ReadRef();
      view->typed_data = d->ReadRef();
      view->offset_in_bytes = d->ReadRef();
    }
  }

ReadNodes()

void dart::TypedDataViewMessageDeserializationCluster::ReadNodes ( MessageDeserializer *  d )

inlinevirtual

Implements dart::MessageDeserializationCluster.

Definition at line 1577 of file message_snapshot.cc.

                                         {
    const intptr_t count = d->ReadUnsigned();
    format_ = d->Read<TypedDataViewFormat>();
    if (format_ == kTypedDataViewFromC) {
      intptr_t view_cid = cid_;
      ASSERT(IsUnmodifiableTypedDataViewClassId(view_cid));
      intptr_t backing_cid = cid_ - kTypedDataCidRemainderUnmodifiable +
                             kTypedDataCidRemainderExternal;
      ASSERT(IsExternalTypedDataClassId(backing_cid));
      intptr_t element_size =
          ExternalTypedData::ElementSizeInBytes(backing_cid);
      ExternalTypedData& data = ExternalTypedData::Handle(d->zone());
      TypedDataView& view = TypedDataView::Handle(d->zone());
      for (intptr_t i = 0; i < count; i++) {
        intptr_t length = d->ReadUnsigned();
        FinalizableData finalizable_data = d->finalizable_data()->Take();
        data = ExternalTypedData::New(
            backing_cid, reinterpret_cast<uint8_t*>(finalizable_data.data),
            length);
        data.SetImmutable();  // Can pass by reference.
        intptr_t external_size = length * element_size;
        data.AddFinalizer(finalizable_data.peer, finalizable_data.callback,
                          external_size);
        view = TypedDataView::New(view_cid, data, 0, length);
        d->AssignRef(data.ptr());
      }
    } else {
      for (intptr_t i = 0; i < count; i++) {
        d->AssignRef(TypedDataView::New(cid_));
      }
    }
  }

ReadNodesApi()

void dart::TypedDataViewMessageDeserializationCluster::ReadNodesApi ( ApiMessageDeserializer *  d )

inlinevirtual

Reimplemented from dart::MessageDeserializationCluster.

Definition at line 1636 of file message_snapshot.cc.

                                               {
    intptr_t count = d->ReadUnsigned();
    format_ = d->Read<TypedDataViewFormat>();
    if (format_ == kTypedDataViewFromC) {
      Dart_TypedData_Type type;
      switch (cid_) {
        case kUnmodifiableTypedDataInt8ArrayViewCid:
          type = Dart_TypedData_kInt8;
          break;
        case kUnmodifiableTypedDataUint8ArrayViewCid:
          type = Dart_TypedData_kUint8;
          break;
        case kUnmodifiableTypedDataUint8ClampedArrayViewCid:
          type = Dart_TypedData_kUint8Clamped;
          break;
        case kUnmodifiableTypedDataInt16ArrayViewCid:
          type = Dart_TypedData_kInt16;
          break;
        case kUnmodifiableTypedDataUint16ArrayViewCid:
          type = Dart_TypedData_kUint16;
          break;
        case kUnmodifiableTypedDataInt32ArrayViewCid:
          type = Dart_TypedData_kInt32;
          break;
        case kUnmodifiableTypedDataUint32ArrayViewCid:
          type = Dart_TypedData_kUint32;
          break;
        case kUnmodifiableTypedDataInt64ArrayViewCid:
          type = Dart_TypedData_kInt64;
          break;
        case kUnmodifiableTypedDataUint64ArrayViewCid:
          type = Dart_TypedData_kUint64;
          break;
        case kUnmodifiableTypedDataFloat32ArrayViewCid:
          type = Dart_TypedData_kFloat32;
          break;
        case kUnmodifiableTypedDataFloat64ArrayViewCid:
          type = Dart_TypedData_kFloat64;
          break;
        case kUnmodifiableTypedDataInt32x4ArrayViewCid:
          type = Dart_TypedData_kInt32x4;
          break;
        case kUnmodifiableTypedDataFloat32x4ArrayViewCid:
          type = Dart_TypedData_kFloat32x4;
          break;
        case kUnmodifiableTypedDataFloat64x2ArrayViewCid:
          type = Dart_TypedData_kFloat64x2;
          break;
        default:
          UNREACHABLE();
      }
 
      Dart_CObject* data =
          d->Allocate(Dart_CObject_kUnmodifiableExternalTypedData);
      intptr_t length = d->ReadUnsigned();
      FinalizableData finalizable_data = d->finalizable_data()->Get();
      data->value.as_typed_data.type = type;
      data->value.as_typed_data.length = length;
      data->value.as_typed_data.values =
          reinterpret_cast<uint8_t*>(finalizable_data.data);
      d->AssignRef(data);
    } else {
      for (intptr_t i = 0; i < count; i++) {
        Dart_CTypedDataView* view = d->zone()->Alloc<Dart_CTypedDataView>(1);
        d->AssignRef(view);
      }
    }
  }

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The documentation for this class was generated from the following file:

• third_party/dart-lang/sdk/runtime/vm/message_snapshot.cc