dart::ObjectCopyBase Class Reference

Inheritance diagram for dart::ObjectCopyBase:

Public Member Functions
	ObjectCopyBase (Thread *thread)
	~ObjectCopyBase ()

Protected Member Functions
void	StoreCompressedLargeArrayPointerBarrier (ObjectPtr obj, intptr_t offset, ObjectPtr value)
DART_FORCE_INLINE bool	CanCopyObject (uword tags, ObjectPtr object)

Static Protected Member Functions
static ObjectPtr	LoadPointer (ObjectPtr src, intptr_t offset)
static CompressedObjectPtr	LoadCompressedPointer (ObjectPtr src, intptr_t offset)
static compressed_uword	LoadCompressedNonPointerWord (ObjectPtr src, intptr_t offset)
static void	StorePointerBarrier (ObjectPtr obj, intptr_t offset, ObjectPtr value)
static void	StoreCompressedPointerBarrier (ObjectPtr obj, intptr_t offset, ObjectPtr value)
static void	StorePointerNoBarrier (ObjectPtr obj, intptr_t offset, ObjectPtr value)
template<typename T = ObjectPtr>
static void	StoreCompressedPointerNoBarrier (ObjectPtr obj, intptr_t offset, T value)
static void	StoreCompressedNonPointerWord (ObjectPtr obj, intptr_t offset, compressed_uword value)

Protected Attributes
Thread *	thread_
uword	heap_base_
Zone *	zone_
Heap *	heap_
ClassTable *	class_table_
Scavenger *	new_space_
Object &	tmp_
Object &	to_
intptr_t	expando_cid_
const char *	exception_msg_ = nullptr
Object &	exception_unexpected_object_

Detailed Description

Definition at line 766 of file object_graph_copy.cc.

Constructor & Destructor Documentation

ObjectCopyBase()

dart::ObjectCopyBase::ObjectCopyBase ( Thread *  thread )

inlineexplicit

Definition at line 768 of file object_graph_copy.cc.

      : thread_(thread),
        heap_base_(thread->heap_base()),
        zone_(thread->zone()),
        heap_(thread->isolate_group()->heap()),
        class_table_(thread->isolate_group()->class_table()),
        new_space_(heap_->new_space()),
        tmp_(Object::Handle(thread->zone())),
        to_(Object::Handle(thread->zone())),
        expando_cid_(Class::GetClassId(
            thread->isolate_group()->object_store()->expando_class())),
        exception_unexpected_object_(Object::Handle(thread->zone())) {}

~ObjectCopyBase()

dart::ObjectCopyBase::~ObjectCopyBase ( )

inline

Definition at line 780 of file object_graph_copy.cc.

{}

Member Function Documentation

CanCopyObject()

DART_FORCE_INLINE bool dart::ObjectCopyBase::CanCopyObject ( uword  tags, ObjectPtr  object  )

inlineprotected

Definition at line 842 of file object_graph_copy.cc.

                                                   {
    const auto cid = UntaggedObject::ClassIdTag::decode(tags);
    if (Class::IsIsolateUnsendable(class_table_->At(cid))) {
      exception_msg_ = OS::SCreate(
          zone_,
          "Illegal argument in isolate message: object is unsendable - %s ("
          "see restrictions listed at `SendPort.send()` documentation "
          "for more information)",
          Class::Handle(class_table_->At(cid)).ToCString());
      exception_unexpected_object_ = object;
      return false;
    }
    if (cid > kNumPredefinedCids) {
      return true;
    }
#define HANDLE_ILLEGAL_CASE(Type)                                              \
  case k##Type##Cid: {                                                         \
    exception_msg_ =                                                           \
        "Illegal argument in isolate message: "                                \
        "(object is a " #Type ")";                                             \
    exception_unexpected_object_ = object;                                     \
    return false;                                                              \
  }
 
    switch (cid) {
      // From "dart:ffi" we handle only Pointer/DynamicLibrary specially, since
      // those are the only non-abstract classes (so we avoid checking more cids
      // here that cannot happen in reality)
      HANDLE_ILLEGAL_CASE(DynamicLibrary)
      HANDLE_ILLEGAL_CASE(Finalizer)
      HANDLE_ILLEGAL_CASE(NativeFinalizer)
      HANDLE_ILLEGAL_CASE(MirrorReference)
      HANDLE_ILLEGAL_CASE(Pointer)
      HANDLE_ILLEGAL_CASE(ReceivePort)
      HANDLE_ILLEGAL_CASE(SuspendState)
      HANDLE_ILLEGAL_CASE(UserTag)
      default:
        return true;
    }
  }

LoadCompressedNonPointerWord()

static compressed_uword dart::ObjectCopyBase::LoadCompressedNonPointerWord ( ObjectPtr  src, intptr_t  offset  )

inlinestaticprotected

Definition at line 792 of file object_graph_copy.cc.

                                                                        {
    return *reinterpret_cast<compressed_uword*>(
        reinterpret_cast<uint8_t*>(src.untag()) + offset);
  }

LoadCompressedPointer()

static CompressedObjectPtr dart::ObjectCopyBase::LoadCompressedPointer ( ObjectPtr  src, intptr_t  offset  )

inlinestaticprotected

Definition at line 787 of file object_graph_copy.cc.

                                                                    {
    return src.untag()->LoadPointer(reinterpret_cast<CompressedObjectPtr*>(
        reinterpret_cast<uint8_t*>(src.untag()) + offset));
  }

LoadPointer()

static ObjectPtr dart::ObjectCopyBase::LoadPointer ( ObjectPtr  src, intptr_t  offset  )

inlinestaticprotected

Definition at line 783 of file object_graph_copy.cc.

                                                               {
    return src.untag()->LoadPointer(reinterpret_cast<ObjectPtr*>(
        reinterpret_cast<uint8_t*>(src.untag()) + offset));
  }

StoreCompressedLargeArrayPointerBarrier()

void dart::ObjectCopyBase::StoreCompressedLargeArrayPointerBarrier ( ObjectPtr  obj, intptr_t  offset, ObjectPtr  value  )

inlineprotected

Definition at line 813 of file object_graph_copy.cc.

                                                                {
    obj.untag()->StoreCompressedArrayPointer(
        reinterpret_cast<CompressedObjectPtr*>(
            reinterpret_cast<uint8_t*>(obj.untag()) + offset),
        value, thread_);
  }

StoreCompressedNonPointerWord()

static void dart::ObjectCopyBase::StoreCompressedNonPointerWord ( ObjectPtr  obj, intptr_t  offset, compressed_uword  value  )

inlinestaticprotected

Definition at line 834 of file object_graph_copy.cc.

                                                                    {
    *reinterpret_cast<compressed_uword*>(
        reinterpret_cast<uint8_t*>(obj.untag()) + offset) = value;
  }

StoreCompressedPointerBarrier()

static void dart::ObjectCopyBase::StoreCompressedPointerBarrier ( ObjectPtr  obj, intptr_t  offset, ObjectPtr  value  )

inlinestaticprotected

Definition at line 805 of file object_graph_copy.cc.

                                                             {
    obj.untag()->StoreCompressedPointer(
        reinterpret_cast<CompressedObjectPtr*>(
            reinterpret_cast<uint8_t*>(obj.untag()) + offset),
        value);
  }

StoreCompressedPointerNoBarrier()

template<typename T = ObjectPtr>

static void dart::ObjectCopyBase::StoreCompressedPointerNoBarrier ( ObjectPtr  obj, intptr_t  offset, T  value  )

inlinestaticprotected

Definition at line 828 of file object_graph_copy.cc.

                                                       {
    *reinterpret_cast<CompressedObjectPtr*>(
        reinterpret_cast<uint8_t*>(obj.untag()) + offset) = value;
  }

StorePointerBarrier()

static void dart::ObjectCopyBase::StorePointerBarrier ( ObjectPtr  obj, intptr_t  offset, ObjectPtr  value  )

inlinestaticprotected

Definition at line 797 of file object_graph_copy.cc.

                                                   {
    obj.untag()->StorePointer(
        reinterpret_cast<ObjectPtr*>(reinterpret_cast<uint8_t*>(obj.untag()) +
                                     offset),
        value);
  }

StorePointerNoBarrier()

static void dart::ObjectCopyBase::StorePointerNoBarrier ( ObjectPtr  obj, intptr_t  offset, ObjectPtr  value  )

inlinestaticprotected

Definition at line 821 of file object_graph_copy.cc.

                                                     {
    *reinterpret_cast<ObjectPtr*>(reinterpret_cast<uint8_t*>(obj.untag()) +
                                  offset) = value;
  }

Member Data Documentation

class_table_

ClassTable* dart::ObjectCopyBase::class_table_

protected

Definition at line 887 of file object_graph_copy.cc.

exception_msg_

const char* dart::ObjectCopyBase::exception_msg_ = nullptr

protected

Definition at line 893 of file object_graph_copy.cc.

exception_unexpected_object_

Object& dart::ObjectCopyBase::exception_unexpected_object_

protected

Definition at line 894 of file object_graph_copy.cc.

expando_cid_

intptr_t dart::ObjectCopyBase::expando_cid_

protected

Definition at line 891 of file object_graph_copy.cc.

heap_

Heap* dart::ObjectCopyBase::heap_

protected

Definition at line 886 of file object_graph_copy.cc.

heap_base_

uword dart::ObjectCopyBase::heap_base_

protected

Definition at line 884 of file object_graph_copy.cc.

new_space_

Scavenger* dart::ObjectCopyBase::new_space_

protected

Definition at line 888 of file object_graph_copy.cc.

thread_

Thread* dart::ObjectCopyBase::thread_

protected

Definition at line 883 of file object_graph_copy.cc.

tmp_

Object& dart::ObjectCopyBase::tmp_

protected

Definition at line 889 of file object_graph_copy.cc.

to_

Object& dart::ObjectCopyBase::to_

protected

Definition at line 890 of file object_graph_copy.cc.

zone_

Zone* dart::ObjectCopyBase::zone_

protected

Definition at line 885 of file object_graph_copy.cc.

---

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

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