dart::FinalizablePersistentHandle Class Reference

#include <dart_api_state.h>

Public Member Functions
ObjectPtr	ptr () const
ObjectPtr *	ptr_addr ()
void *	peer () const
Dart_HandleFinalizer	callback () const
Dart_WeakPersistentHandle	ApiWeakPersistentHandle ()
Dart_FinalizableHandle	ApiFinalizableHandle ()
bool	auto_delete () const
bool	IsFinalizedNotFreed () const
intptr_t	external_size () const
bool	SetExternalSize (intptr_t size, IsolateGroup *isolate_group)
void	UpdateUnreachable (IsolateGroup *isolate_group)
void	UpdateRelocated (IsolateGroup *isolate_group)
void	EnsureFreedExternal (IsolateGroup *isolate_group)

Static Public Member Functions
static FinalizablePersistentHandle *	New (IsolateGroup *isolate_group, const Object &object, void *peer, Dart_HandleFinalizer callback, intptr_t external_size, bool auto_delete)
static intptr_t	ptr_offset ()
static FinalizablePersistentHandle *	Cast (Dart_WeakPersistentHandle handle)
static FinalizablePersistentHandle *	Cast (Dart_FinalizableHandle handle)

Friends
class	FinalizablePersistentHandles

Detailed Description

Definition at line 190 of file dart_api_state.h.

Member Function Documentation

ApiFinalizableHandle()

Dart_FinalizableHandle dart::FinalizablePersistentHandle::ApiFinalizableHandle ( )

inline

Definition at line 210 of file dart_api_state.h.

                                                {
    return reinterpret_cast<Dart_FinalizableHandle>(this);
  }

ApiWeakPersistentHandle()

Dart_WeakPersistentHandle dart::FinalizablePersistentHandle::ApiWeakPersistentHandle ( )

inline

Definition at line 207 of file dart_api_state.h.

                                                      {
    return reinterpret_cast<Dart_WeakPersistentHandle>(this);
  }

auto_delete()

bool dart::FinalizablePersistentHandle::auto_delete ( ) const

inline

Definition at line 214 of file dart_api_state.h.

{ return auto_delete_; }

callback()

Dart_HandleFinalizer dart::FinalizablePersistentHandle::callback ( ) const

inline

Definition at line 206 of file dart_api_state.h.

{ return callback_; }

Cast() [1/2]

FinalizablePersistentHandle * dart::FinalizablePersistentHandle::Cast ( Dart_FinalizableHandle  handle )

static

Definition at line 708 of file dart_api_impl.cc.

                                   {
#if defined(DEBUG)
  ApiState* state = IsolateGroup::Current()->api_state();
  ASSERT(state->IsValidFinalizableHandle(handle));
#endif
  return reinterpret_cast<FinalizablePersistentHandle*>(handle);
}

Cast() [2/2]

FinalizablePersistentHandle * dart::FinalizablePersistentHandle::Cast ( Dart_WeakPersistentHandle  handle )

static

Definition at line 700 of file dart_api_impl.cc.

                                      {
#if defined(DEBUG)
  ApiState* state = IsolateGroup::Current()->api_state();
  ASSERT(state->IsValidWeakPersistentHandle(handle));
#endif
  return reinterpret_cast<FinalizablePersistentHandle*>(handle);
}

EnsureFreedExternal()

void dart::FinalizablePersistentHandle::EnsureFreedExternal ( IsolateGroup *  isolate_group )

inline

Definition at line 255 of file dart_api_state.h.

                                                        {
    isolate_group->heap()->FreedExternal(external_size(), SpaceForExternal());
    set_external_size(0);
  }

external_size()

intptr_t dart::FinalizablePersistentHandle::external_size ( ) const

inline

Definition at line 220 of file dart_api_state.h.

                                 {
    return ExternalSizeInWordsBits::decode(external_data_) * kWordSize;
  }

IsFinalizedNotFreed()

bool dart::FinalizablePersistentHandle::IsFinalizedNotFreed ( ) const

inline

Definition at line 216 of file dart_api_state.h.

                                   {
    return ptr_ == static_cast<ObjectPtr>(reinterpret_cast<uword>(this));
  }

New()

FinalizablePersistentHandle * dart::FinalizablePersistentHandle::New ( IsolateGroup *  isolate_group, const Object &  object, void *  peer, Dart_HandleFinalizer  callback, intptr_t  external_size, bool  auto_delete  )

inlinestatic

Definition at line 790 of file dart_api_state.h.

                      {
  ApiState* state = isolate_group->api_state();
  ASSERT(state != nullptr);
  FinalizablePersistentHandle* ref = state->AllocateWeakPersistentHandle();
  ref->set_ptr(object);
  ref->set_peer(peer);
  ref->set_callback(callback);
  ref->set_auto_delete(auto_delete);
  // This may trigger GC, so it must be called last.
  if (!(ref->SetExternalSize(external_size, isolate_group))) {
    state->FreeWeakPersistentHandle(ref);
    return nullptr;
  }
  return ref;
}

peer()

void * dart::FinalizablePersistentHandle::peer ( ) const

inline

Definition at line 205 of file dart_api_state.h.

{ return peer_; }

ptr()

ObjectPtr dart::FinalizablePersistentHandle::ptr ( ) const

inline

Definition at line 200 of file dart_api_state.h.

{ return ptr_; }

ptr_addr()

ObjectPtr * dart::FinalizablePersistentHandle::ptr_addr ( )

inline

Definition at line 201 of file dart_api_state.h.

{ return &ptr_; }

ptr_offset()

static intptr_t dart::FinalizablePersistentHandle::ptr_offset ( )

inlinestatic

Definition at line 202 of file dart_api_state.h.

                               {
    return OFFSET_OF(FinalizablePersistentHandle, ptr_);
  }

SetExternalSize()

bool dart::FinalizablePersistentHandle::SetExternalSize ( intptr_t  size, IsolateGroup *  isolate_group  )

inline

Definition at line 224 of file dart_api_state.h.

                                                                   {
    // This method only behaves correctly when external_size() has not been
    // previously modified.
    ASSERT(external_size() == 0);
    if (size < 0 || (size >> kWordSizeLog2) > kMaxAddrSpaceInWords) {
      return false;
    }
    set_external_size(size);
    if (SpaceForExternal() == Heap::kNew) {
      SetExternalNewSpaceBit();
    }
    return isolate_group->heap()->AllocatedExternal(external_size(),
                                                    SpaceForExternal());
  }

UpdateRelocated()

void dart::FinalizablePersistentHandle::UpdateRelocated ( IsolateGroup *  isolate_group )

inline

Definition at line 246 of file dart_api_state.h.

                                                    {
    if (IsSetNewSpaceBit() && (SpaceForExternal() == Heap::kOld)) {
      isolate_group->heap()->PromotedExternal(external_size());
      ClearExternalNewSpaceBit();
    }
  }

UpdateUnreachable()

void dart::FinalizablePersistentHandle::UpdateUnreachable ( IsolateGroup *  isolate_group )

inline

Definition at line 240 of file dart_api_state.h.

                                                      {
    EnsureFreedExternal(isolate_group);
    Finalize(isolate_group, this);
  }

Friends And Related Function Documentation

FinalizablePersistentHandles

friend class FinalizablePersistentHandles

friend

Definition at line 280 of file dart_api_state.h.

---

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

• third_party/dart-lang/sdk/runtime/vm/dart_api_state.h
• third_party/dart-lang/sdk/runtime/vm/dart_api_impl.cc