dart::ForwardMapBase Class Reference

Inheritance diagram for dart::ForwardMapBase:

Public Member Functions
	ForwardMapBase (Thread *thread)

Protected Member Functions
void	FinalizeTransferable (const TransferableTypedData &from, const TransferableTypedData &to)
void	FinalizeExternalTypedData (const ExternalTypedData &to)

Protected Attributes
Thread *	thread_
Zone *	zone_

Friends
class	ObjectGraphCopier

Detailed Description

Definition at line 581 of file object_graph_copy.cc.

Constructor & Destructor Documentation

ForwardMapBase()

dart::ForwardMapBase::ForwardMapBase ( Thread *  thread )

inlineexplicit

Definition at line 583 of file object_graph_copy.cc.

      : thread_(thread), zone_(thread->zone()) {}

Member Function Documentation

FinalizeExternalTypedData()

void dart::ForwardMapBase::FinalizeExternalTypedData ( const ExternalTypedData &  to )

inlineprotected

Definition at line 612 of file object_graph_copy.cc.

                                                              {
    to.AddFinalizer(to.DataAddr(0), &FreeExternalTypedData, to.LengthInBytes());
  }

FinalizeTransferable()

void dart::ForwardMapBase::FinalizeTransferable ( const TransferableTypedData &  from, const TransferableTypedData &  to  )

inlineprotected

Definition at line 589 of file object_graph_copy.cc.

                                                             {
    // Get the old peer.
    auto fpeer = static_cast<TransferableTypedDataPeer*>(
        thread_->heap()->GetPeer(from.ptr()));
    ASSERT(fpeer != nullptr && fpeer->data() != nullptr);
    const intptr_t length = fpeer->length();
 
    // Allocate new peer object with (data, length).
    auto tpeer = new TransferableTypedDataPeer(fpeer->data(), length);
    thread_->heap()->SetPeer(to.ptr(), tpeer);
 
    // Move the handle itself to the new object.
    fpeer->handle()->EnsureFreedExternal(thread_->isolate_group());
    FinalizablePersistentHandle* finalizable_ref =
        FinalizablePersistentHandle::New(thread_->isolate_group(), to, tpeer,
                                         FreeTransferablePeer, length,
                                         /*auto_delete=*/true);
    ASSERT(finalizable_ref != nullptr);
    tpeer->set_handle(finalizable_ref);
    fpeer->ClearData();
  }

Friends And Related Function Documentation

ObjectGraphCopier

friend class ObjectGraphCopier

friend

Definition at line 587 of file object_graph_copy.cc.

Member Data Documentation

thread_

Thread* dart::ForwardMapBase::thread_

protected

Definition at line 616 of file object_graph_copy.cc.

zone_

Zone* dart::ForwardMapBase::zone_

protected

Definition at line 617 of file object_graph_copy.cc.

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

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