dart::RODataSerializationCluster Class Reference

Inheritance diagram for dart::RODataSerializationCluster:

Public Member Functions
	RODataSerializationCluster (Zone *zone, const char *type, intptr_t cid, bool is_canonical)
	~RODataSerializationCluster ()
void	Trace (Serializer *s, ObjectPtr object)
void	WriteAlloc (Serializer *s)
void	WriteFill (Serializer *s)
Public Member Functions inherited from dart::SerializationCluster
	SerializationCluster (const char *name, intptr_t cid, intptr_t target_instance_size=kSizeVaries, bool is_canonical=false)
virtual	~SerializationCluster ()
virtual void	Trace (Serializer *serializer, ObjectPtr object)=0
virtual void	WriteAlloc (Serializer *serializer)=0
virtual void	WriteFill (Serializer *serializer)=0
void	WriteAndMeasureAlloc (Serializer *serializer)
void	WriteAndMeasureFill (Serializer *serializer)
const char *	name () const
intptr_t	cid () const
bool	is_canonical () const
bool	is_immutable () const
intptr_t	size () const
intptr_t	num_objects () const
intptr_t	target_memory_size () 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
Static Public Attributes inherited from dart::SerializationCluster
static constexpr intptr_t	kSizeVaries = -1
Protected Member Functions inherited from dart::CanonicalSetSerializationCluster< CanonicalStringSet, String, ObjectPtr >
	CanonicalSetSerializationCluster (intptr_t cid, bool is_canonical, bool represents_canonical_set, const char *name, intptr_t target_instance_size=0)
virtual bool	IsInCanonicalSet (Serializer *s, ObjectPtr ptr)
void	ReorderObjects (Serializer *s)
void	WriteCanonicalSetLayout (Serializer *s)
Protected Attributes inherited from dart::CanonicalSetSerializationCluster< CanonicalStringSet, String, ObjectPtr >
GrowableArray< ObjectPtr >	objects_
Protected Attributes inherited from dart::SerializationCluster
const char *const	name_
const intptr_t	cid_
const intptr_t	target_instance_size_
const bool	is_canonical_
const bool	is_immutable_
intptr_t	size_ = 0
intptr_t	num_objects_ = 0
intptr_t	target_memory_size_ = 0

Detailed Description

Definition at line 3612 of file app_snapshot.cc.

Constructor & Destructor Documentation

RODataSerializationCluster()

dart::RODataSerializationCluster::RODataSerializationCluster ( Zone *  zone, const char *  type, intptr_t  cid, bool  is_canonical  )

inline

Definition at line 3617 of file app_snapshot.cc.

      : CanonicalSetSerializationCluster(
            cid,
            is_canonical,
            is_canonical && IsStringClassId(cid),
            ImageWriter::TagObjectTypeAsReadOnly(zone, type)),
        zone_(zone),
        cid_(cid),
        type_(type) {}

~RODataSerializationCluster()

dart::RODataSerializationCluster::~RODataSerializationCluster ( )

inline

Definition at line 3629 of file app_snapshot.cc.

{}

Member Function Documentation

Trace()

void dart::RODataSerializationCluster::Trace ( Serializer *  s, ObjectPtr  object  )

inlinevirtual

Implements dart::SerializationCluster.

Definition at line 3631 of file app_snapshot.cc.

                                              {
    // A string's hash must already be computed when we write it because it
    // will be loaded into read-only memory. Extra bytes due to allocation
    // rounding need to be deterministically set for reliable deduplication in
    // shared images.
    if (object->untag()->InVMIsolateHeap() ||
        s->heap()->old_space()->IsObjectFromImagePages(object)) {
      // This object is already read-only.
    } else {
      Object::FinalizeReadOnlyObject(object);
    }
 
    objects_.Add(object);
  }

WriteAlloc()

void dart::RODataSerializationCluster::WriteAlloc ( Serializer *  s )

inlinevirtual

Implements dart::SerializationCluster.

Definition at line 3646 of file app_snapshot.cc.

                                 {
    const bool is_string_cluster = IsStringClassId(cid_);
 
    intptr_t count = objects_.length();
    s->WriteUnsigned(count);
    ReorderObjects(s);
 
    uint32_t running_offset = 0;
    for (intptr_t i = 0; i < count; i++) {
      ObjectPtr object = objects_[i];
      s->AssignRef(object);
      const StringPtr name =
          is_string_cluster ? String::RawCast(object) : nullptr;
      Serializer::WritingObjectScope scope(s, type_, object, name);
      uint32_t offset = s->GetDataOffset(object);
      s->TraceDataOffset(offset);
      ASSERT(Utils::IsAligned(
          offset, compiler::target::ObjectAlignment::kObjectAlignment));
      ASSERT(offset > running_offset);
      s->WriteUnsigned((offset - running_offset) >>
                       compiler::target::ObjectAlignment::kObjectAlignmentLog2);
      running_offset = offset;
    }
    WriteCanonicalSetLayout(s);
  }

WriteFill()

void dart::RODataSerializationCluster::WriteFill ( Serializer *  s )

inlinevirtual

Implements dart::SerializationCluster.

Definition at line 3672 of file app_snapshot.cc.

                                {
    // No-op.
  }

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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