dart::ProgramDeserializationRoots Class Reference

Inheritance diagram for dart::ProgramDeserializationRoots:

Public Member Functions
	ProgramDeserializationRoots (ObjectStore *object_store)
void	AddBaseObjects (Deserializer *d) override
void	ReadRoots (Deserializer *d) override
void	PostLoad (Deserializer *d, const Array &refs) override
Public Member Functions inherited from dart::DeserializationRoots
virtual	~DeserializationRoots ()
virtual void	AddBaseObjects (Deserializer *deserializer)=0
virtual void	ReadRoots (Deserializer *deserializer)=0
virtual void	PostLoad (Deserializer *deserializer, const Array &refs)=0

Detailed Description

Definition at line 7185 of file app_snapshot.cc.

Constructor & Destructor Documentation

ProgramDeserializationRoots()

dart::ProgramDeserializationRoots::ProgramDeserializationRoots ( ObjectStore *  object_store )

inlineexplicit

Definition at line 7187 of file app_snapshot.cc.

      : object_store_(object_store) {}

Member Function Documentation

AddBaseObjects()

void dart::ProgramDeserializationRoots::AddBaseObjects ( Deserializer *  d )

inlineoverridevirtual

Implements dart::DeserializationRoots.

Definition at line 7190 of file app_snapshot.cc.

                                                {
    // N.B.: Skipping index 0 because ref 0 is illegal.
    const Array& base_objects = Object::vm_isolate_snapshot_object_table();
    for (intptr_t i = kFirstReference; i < base_objects.Length(); i++) {
      d->AddBaseObject(base_objects.At(i));
    }
  }

PostLoad()

void dart::ProgramDeserializationRoots::PostLoad ( Deserializer *  d, const Array &  refs  )

inlineoverridevirtual

Implements dart::DeserializationRoots.

Definition at line 7232 of file app_snapshot.cc.

                                                             {
    auto isolate_group = d->isolate_group();
    {
      isolate_group->class_table()->CopySizesFromClassObjects();
    }
    d->heap()->old_space()->EvaluateAfterLoading();
 
    auto object_store = isolate_group->object_store();
    const Array& units = Array::Handle(object_store->loading_units());
    if (!units.IsNull()) {
      LoadingUnit& unit = LoadingUnit::Handle();
      unit ^= units.At(LoadingUnit::kRootId);
      unit.set_base_objects(refs);
    }
 
    // Setup native resolver for bootstrap impl.
    Bootstrap::SetupNativeResolver();
  }

ReadRoots()

void dart::ProgramDeserializationRoots::ReadRoots ( Deserializer *  d )

inlineoverridevirtual

Implements dart::DeserializationRoots.

Definition at line 7198 of file app_snapshot.cc.

                                           {
    // Read roots.
    ObjectPtr* from = object_store_->from();
    ObjectPtr* to = object_store_->to_snapshot(d->kind());
    for (ObjectPtr* p = from; p <= to; p++) {
      *p = d->ReadRef();
    }
 
    {
      FieldTable* initial_field_table =
          d->thread()->isolate_group()->initial_field_table();
      intptr_t n = d->ReadUnsigned();
      initial_field_table->AllocateIndex(n - 1);
      for (intptr_t i = 0; i < n; i++) {
        initial_field_table->SetAt(i, d->ReadRef());
      }
    }
 
    {
      FieldTable* shared_initial_field_table =
          d->thread()->isolate_group()->shared_initial_field_table();
      intptr_t n_shared = d->ReadUnsigned();
      if (n_shared > 0) {
        shared_initial_field_table->AllocateIndex(n_shared - 1);
        for (intptr_t i = 0; i < n_shared; i++) {
          shared_initial_field_table->SetAt(i, d->ReadRef());
        }
      }
    }
 
    // Deserialize dispatch table (when applicable)
    d->ReadDispatchTable();
  }

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

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