dart::StringSerializationCluster Class Reference

Inheritance diagram for dart::StringSerializationCluster:

Public Member Functions
	StringSerializationCluster (bool is_canonical, bool represents_canonical_set)
	~StringSerializationCluster ()
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)

Static Public Member Functions
static intptr_t	EncodeLengthAndCid (intptr_t length, intptr_t cid)

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, StringPtr >
	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, StringPtr ptr)
void	ReorderObjects (Serializer *s)
void	WriteCanonicalSetLayout (Serializer *s)
Protected Attributes inherited from dart::CanonicalSetSerializationCluster< CanonicalStringSet, String, StringPtr >
GrowableArray< StringPtr >	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 6610 of file app_snapshot.cc.

Constructor & Destructor Documentation

StringSerializationCluster()

dart::StringSerializationCluster::StringSerializationCluster ( bool  is_canonical, bool  represents_canonical_set  )

inlineexplicit

Definition at line 6624 of file app_snapshot.cc.

      : CanonicalSetSerializationCluster(kStringCid,
                                         is_canonical,
                                         represents_canonical_set,
                                         "String",
                                         kSizeVaries) {}

~StringSerializationCluster()

dart::StringSerializationCluster::~StringSerializationCluster ( )

inline

Definition at line 6631 of file app_snapshot.cc.

{}

Member Function Documentation

EncodeLengthAndCid()

static intptr_t dart::StringSerializationCluster::EncodeLengthAndCid ( intptr_t  length, intptr_t  cid  )

inlinestatic

Definition at line 6618 of file app_snapshot.cc.

                                                                    {
    ASSERT(cid == kOneByteStringCid || cid == kTwoByteStringCid);
    ASSERT(length <= compiler::target::kSmiMax);
    return (length << 1) | (cid == kTwoByteStringCid ? 0x1 : 0x0);
  }

Trace()

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

inlinevirtual

Implements dart::SerializationCluster.

Definition at line 6633 of file app_snapshot.cc.

                                              {
    StringPtr str = static_cast<StringPtr>(object);
    objects_.Add(str);
  }

WriteAlloc()

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

inlinevirtual

Implements dart::SerializationCluster.

Definition at line 6638 of file app_snapshot.cc.

                                 {
    const intptr_t count = objects_.length();
    s->WriteUnsigned(count);
    ReorderObjects(s);
    for (intptr_t i = 0; i < count; i++) {
      StringPtr str = objects_[i];
      s->AssignRef(str);
      AutoTraceObject(str);
      const intptr_t cid = str->GetClassId();
      const intptr_t length = Smi::Value(str->untag()->length());
      const intptr_t encoded = EncodeLengthAndCid(length, cid);
      s->WriteUnsigned(encoded);
      target_memory_size_ +=
          cid == kOneByteStringCid
              ? compiler::target::OneByteString::InstanceSize(length)
              : compiler::target::TwoByteString::InstanceSize(length);
    }
    WriteCanonicalSetLayout(s);
  }

WriteFill()

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

inlinevirtual

Implements dart::SerializationCluster.

Definition at line 6658 of file app_snapshot.cc.

                                {
    const intptr_t count = objects_.length();
    for (intptr_t i = 0; i < count; i++) {
      StringPtr str = objects_[i];
      AutoTraceObject(str);
      const intptr_t cid = str->GetClassId();
      const intptr_t length = Smi::Value(str->untag()->length());
      const intptr_t encoded = EncodeLengthAndCid(length, cid);
      s->WriteUnsigned(encoded);
      if (cid == kOneByteStringCid) {
        s->WriteBytes(static_cast<OneByteStringPtr>(str)->untag()->data(),
                      length);
      } else {
        s->WriteBytes(reinterpret_cast<uint8_t*>(
                          static_cast<TwoByteStringPtr>(str)->untag()->data()),
                      length * 2);
      }
    }
  }

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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