dart::ArraySerializationCluster Class Reference

Inheritance diagram for dart::ArraySerializationCluster:

Public Member Functions
	ArraySerializationCluster (bool is_canonical, intptr_t cid)
	~ArraySerializationCluster ()
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 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 6371 of file app_snapshot.cc.

Constructor & Destructor Documentation

ArraySerializationCluster()

dart::ArraySerializationCluster::ArraySerializationCluster ( bool  is_canonical, intptr_t  cid  )

inline

Definition at line 6373 of file app_snapshot.cc.

      : SerializationCluster("Array", cid, kSizeVaries, is_canonical) {}

~ArraySerializationCluster()

dart::ArraySerializationCluster::~ArraySerializationCluster ( )

inline

Definition at line 6375 of file app_snapshot.cc.

{}

Member Function Documentation

Trace()

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

inlinevirtual

Implements dart::SerializationCluster.

Definition at line 6377 of file app_snapshot.cc.

                                              {
    ArrayPtr array = Array::RawCast(object);
    objects_.Add(array);
 
    s->Push(array->untag()->type_arguments());
    const intptr_t length = Smi::Value(array->untag()->length());
    for (intptr_t i = 0; i < length; i++) {
      s->Push(array->untag()->element(i));
    }
  }

WriteAlloc()

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

inlinevirtual

Implements dart::SerializationCluster.

Definition at line 6403 of file app_snapshot.cc.

                                 {
#if defined(DART_PRECOMPILER)
    if (FLAG_print_array_optimization_candidates) {
      intptr_t array_count = objects_.length();
      intptr_t array_count_allsmi = 0;
      intptr_t array_count_allro = 0;
      intptr_t array_count_empty = 0;
      intptr_t element_count = 0;
      intptr_t element_count_allsmi = 0;
      intptr_t element_count_allro = 0;
      for (intptr_t i = 0; i < array_count; i++) {
        ArrayPtr array = objects_[i];
        bool allsmi = true;
        bool allro = true;
        const intptr_t length = Smi::Value(array->untag()->length());
        for (intptr_t i = 0; i < length; i++) {
          ObjectPtr element = array->untag()->element(i);
          intptr_t cid = element->GetClassIdMayBeSmi();
          if (!IsReadOnlyCid(cid)) allro = false;
          if (cid != kSmiCid) allsmi = false;
        }
        element_count += length;
        if (length == 0) {
          array_count_empty++;
        } else if (allsmi) {
          array_count_allsmi++;
          element_count_allsmi += length;
        } else if (allro) {
          array_count_allro++;
          element_count_allro += length;
        }
      }
      OS::PrintErr("Arrays\n");
      OS::PrintErr("  total:  %" Pd ", % " Pd " elements\n", array_count,
                   element_count);
      OS::PrintErr("  smi-only:%" Pd ", % " Pd " elements\n",
                   array_count_allsmi, element_count_allsmi);
      OS::PrintErr("  ro-only:%" Pd " , % " Pd " elements\n", array_count_allro,
                   element_count_allro);
      OS::PrintErr("  empty:%" Pd "\n", array_count_empty);
    }
#endif  // defined(DART_PRECOMPILER)
 
    const intptr_t count = objects_.length();
    s->WriteUnsigned(count);
    for (intptr_t i = 0; i < count; i++) {
      ArrayPtr array = objects_[i];
      s->AssignRef(array);
      AutoTraceObject(array);
      const intptr_t length = Smi::Value(array->untag()->length());
      s->WriteUnsigned(length);
      target_memory_size_ += compiler::target::Array::InstanceSize(length);
    }
  }

WriteFill()

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

inlinevirtual

Implements dart::SerializationCluster.

Definition at line 6458 of file app_snapshot.cc.

                                {
    const intptr_t count = objects_.length();
    for (intptr_t i = 0; i < count; i++) {
      ArrayPtr array = objects_[i];
      AutoTraceObject(array);
      const intptr_t length = Smi::Value(array->untag()->length());
      s->WriteUnsigned(length);
      WriteCompressedField(array, type_arguments);
      for (intptr_t j = 0; j < length; j++) {
        s->WriteElementRef(array->untag()->element(j), j);
      }
    }
  }

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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