dart::ScriptSerializationCluster Class Reference

Inheritance diagram for dart::ScriptSerializationCluster:

Public Member Functions
	ScriptSerializationCluster ()
	~ScriptSerializationCluster ()
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 2302 of file app_snapshot.cc.

Constructor & Destructor Documentation

ScriptSerializationCluster()

dart::ScriptSerializationCluster::ScriptSerializationCluster ( )

inline

Definition at line 2304 of file app_snapshot.cc.

      : SerializationCluster("Script",
                             kScriptCid,
                             compiler::target::Script::InstanceSize()) {}

~ScriptSerializationCluster()

dart::ScriptSerializationCluster::~ScriptSerializationCluster ( )

inline

Definition at line 2308 of file app_snapshot.cc.

{}

Member Function Documentation

Trace()

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

inlinevirtual

Implements dart::SerializationCluster.

Definition at line 2310 of file app_snapshot.cc.

                                              {
    ScriptPtr script = Script::RawCast(object);
    objects_.Add(script);
    auto* from = script->untag()->from();
    auto* to = script->untag()->to_snapshot(s->kind());
    for (auto* p = from; p <= to; p++) {
      const intptr_t offset =
          reinterpret_cast<uword>(p) - reinterpret_cast<uword>(script->untag());
      const ObjectPtr obj = p->Decompress(script->heap_base());
      if (offset == Script::line_starts_offset()) {
        // Line starts are delta encoded.
        s->Push(obj, kDeltaEncodedTypedDataCid);
      } else {
        s->Push(obj);
      }
    }
  }

WriteAlloc()

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

inlinevirtual

Implements dart::SerializationCluster.

Definition at line 2328 of file app_snapshot.cc.

                                 {
    const intptr_t count = objects_.length();
    s->WriteUnsigned(count);
    for (intptr_t i = 0; i < count; i++) {
      ScriptPtr script = objects_[i];
      s->AssignRef(script);
    }
  }

WriteFill()

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

inlinevirtual

Implements dart::SerializationCluster.

Definition at line 2337 of file app_snapshot.cc.

                                {
    const intptr_t count = objects_.length();
    for (intptr_t i = 0; i < count; i++) {
      ScriptPtr script = objects_[i];
      AutoTraceObjectName(script, script->untag()->url());
      WriteFromTo(script);
      if (s->kind() != Snapshot::kFullAOT) {
        // Clear out the max position cache in snapshots to ensure no
        // differences in the snapshot due to triggering caching vs. not.
        int32_t written_flags =
            UntaggedScript::CachedMaxPositionBitField::update(
                0, script->untag()->flags_and_max_position_);
        written_flags = UntaggedScript::HasCachedMaxPositionBit::update(
            false, written_flags);
        s->Write<int32_t>(written_flags);
      }
      s->Write<int32_t>(script->untag()->kernel_script_index_);
    }
  }

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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