#include <object.h>

Inheritance diagram for dart::TypedData:

Public Member Functions
virtual bool	CanonicalizeEquals (const Instance &other) const

virtual uint32_t	CanonicalizeHash () const

Public Member Functions inherited from dart::TypedDataBase
SmiPtr	length () const

intptr_t	Length () const

intptr_t	LengthInBytes () const

TypedDataElementType	ElementType () const

intptr_t	ElementSizeInBytes () const

bool	IsExternalOrExternalView () const

TypedDataViewPtr	ViewFromTo (intptr_t start, intptr_t end, Heap::Space space=Heap::kNew) const

void *	DataAddr (intptr_t byte_offset) const

Public Member Functions inherited from dart::Instance
virtual bool	OperatorEquals (const Instance &other) const

bool	IsIdenticalTo (const Instance &other) const

intptr_t	SizeFromClass () const

InstancePtr	Canonicalize (Thread *thread) const

virtual InstancePtr	CanonicalizeLocked (Thread *thread) const

virtual void	CanonicalizeFieldsLocked (Thread *thread) const

InstancePtr	CopyShallowToOldSpace (Thread *thread) const

ObjectPtr	GetField (const Field &field) const

void	SetField (const Field &field, const Object &value) const

AbstractTypePtr	GetType (Heap::Space space) const

virtual TypeArgumentsPtr	GetTypeArguments () const

virtual void	SetTypeArguments (const TypeArguments &value) const

bool	IsInstanceOf (const AbstractType &other, const TypeArguments &other_instantiator_type_arguments, const TypeArguments &other_function_type_arguments) const

bool	IsAssignableTo (const AbstractType &other, const TypeArguments &other_instantiator_type_arguments, const TypeArguments &other_function_type_arguments) const

bool	IsValidNativeIndex (int index) const

intptr_t *	NativeFieldsDataAddr () const

intptr_t	GetNativeField (int index) const

void	GetNativeFields (uint16_t num_fields, intptr_t *field_values) const

void	SetNativeFields (uint16_t num_fields, const intptr_t *field_values) const

uint16_t	NumNativeFields () const

void	SetNativeField (int index, intptr_t value) const

bool	IsCallable (Function *function) const

ObjectPtr	Invoke (const String &selector, const Array &arguments, const Array &argument_names, bool respect_reflectable=true, bool check_is_entrypoint=false) const

ObjectPtr	InvokeGetter (const String &selector, bool respect_reflectable=true, bool check_is_entrypoint=false) const

ObjectPtr	InvokeSetter (const String &selector, const Instance &argument, bool respect_reflectable=true, bool check_is_entrypoint=false) const

ObjectPtr	EvaluateCompiledExpression (const Class &klass, const ExternalTypedData &kernel_buffer, const Array &type_definitions, const Array &arguments, const TypeArguments &type_arguments) const

virtual ObjectPtr	HashCode () const

IntegerPtr	IdentityHashCode (Thread *thread) const

virtual bool	IsPointer () const

Public Member Functions inherited from dart::Object
virtual	~Object ()

ObjectPtr	ptr () const

void	operator= (ObjectPtr value)

bool	IsCanonical () const

void	SetCanonical () const

void	ClearCanonical () const

bool	IsImmutable () const

void	SetImmutable () const

void	ClearImmutable () const

intptr_t	GetClassId () const

ClassPtr	clazz () const

	CLASS_LIST_FOR_HANDLES (DEFINE_CLASS_TESTER)

bool	IsNull () const

virtual const char *	ToCString () const

void	PrintJSON (JSONStream *stream, bool ref=true) const

virtual void	PrintJSONImpl (JSONStream *stream, bool ref) const

void	PrintImplementationFields (JSONStream *stream) const

virtual void	PrintImplementationFieldsImpl (const JSONArray &jsarr_fields) const

virtual const char *	JSONType () const

virtual StringPtr	DictionaryName () const

bool	IsNew () const

bool	IsOld () const

bool	InVMIsolateHeap () const

void	Print () const

Static Public Member Functions
static intptr_t	payload_offset ()

static intptr_t	InstanceSize ()

static intptr_t	InstanceSize (intptr_t lengthInBytes)

static intptr_t	MaxElements (intptr_t class_id)

static intptr_t	MaxNewSpaceElements (intptr_t class_id)

static TypedDataPtr	New (intptr_t class_id, intptr_t len, Heap::Space space=Heap::kNew)

static TypedDataPtr	Grow (const TypedData &current, intptr_t len, Heap::Space space=Heap::kNew)

static bool	IsTypedData (const Instance &obj)

Static Public Member Functions inherited from dart::TypedDataBase
static intptr_t	length_offset ()

static intptr_t	ElementSizeInBytes (classid_t cid)

static TypedDataElementType	ElementType (classid_t cid)

Static Public Member Functions inherited from dart::PointerBase
static intptr_t	data_offset ()

Static Public Member Functions inherited from dart::Instance
static bool	NullIsAssignableTo (const AbstractType &other)

static bool	NullIsAssignableTo (const AbstractType &other, const TypeArguments &other_instantiator_type_arguments, const TypeArguments &other_function_type_arguments)

static ObjectPtr	EvaluateCompiledExpression (Thread *thread, const Object &receiver, const Library &library, const Class &klass, const ExternalTypedData &kernel_buffer, const Array &type_definitions, const Array &param_values, const TypeArguments &type_param_values)

static intptr_t	UnroundedSize ()

static intptr_t	InstanceSize ()

static InstancePtr	New (const Class &cls, Heap::Space space=Heap::kNew)

static InstancePtr	NewAlreadyFinalized (const Class &cls, Heap::Space space=Heap::kNew)

static intptr_t	DataOffsetFor (intptr_t cid)

static intptr_t	ElementSizeFor (intptr_t cid)

static intptr_t	NextFieldOffset ()

static intptr_t	NativeFieldsOffset ()

Static Public Member Functions inherited from dart::Object
static ObjectPtr	RawCast (ObjectPtr obj)

static constexpr bool	ContainsCompressedPointers ()

static intptr_t	tags_offset ()

static Object &	Handle ()

static Object &	Handle (Zone *zone)

static Object &	Handle (ObjectPtr ptr)

static Object &	Handle (Zone *zone, ObjectPtr ptr)

static Object &	ZoneHandle ()

static Object &	ZoneHandle (Zone *zone)

static Object &	ZoneHandle (ObjectPtr ptr)

static Object &	ZoneHandle (Zone *zone, ObjectPtr ptr)

static Object *	ReadOnlyHandle ()

static ObjectPtr	null ()

static void	set_vm_isolate_snapshot_object_table (const Array &table)

static ClassPtr	class_class ()

static ClassPtr	dynamic_class ()

static ClassPtr	void_class ()

static ClassPtr	type_parameters_class ()

static ClassPtr	type_arguments_class ()

static ClassPtr	patch_class_class ()

static ClassPtr	function_class ()

static ClassPtr	closure_data_class ()

static ClassPtr	ffi_trampoline_data_class ()

static ClassPtr	field_class ()

static ClassPtr	script_class ()

static ClassPtr	library_class ()

static ClassPtr	namespace_class ()

static ClassPtr	kernel_program_info_class ()

static ClassPtr	code_class ()

static ClassPtr	instructions_class ()

static ClassPtr	instructions_section_class ()

static ClassPtr	instructions_table_class ()

static ClassPtr	object_pool_class ()

static ClassPtr	pc_descriptors_class ()

static ClassPtr	code_source_map_class ()

static ClassPtr	compressed_stackmaps_class ()

static ClassPtr	var_descriptors_class ()

static ClassPtr	exception_handlers_class ()

static ClassPtr	context_class ()

static ClassPtr	context_scope_class ()

static ClassPtr	sentinel_class ()

static ClassPtr	api_error_class ()

static ClassPtr	language_error_class ()

static ClassPtr	unhandled_exception_class ()

static ClassPtr	unwind_error_class ()

static ClassPtr	singletargetcache_class ()

static ClassPtr	unlinkedcall_class ()

static ClassPtr	monomorphicsmiablecall_class ()

static ClassPtr	icdata_class ()

static ClassPtr	megamorphic_cache_class ()

static ClassPtr	subtypetestcache_class ()

static ClassPtr	loadingunit_class ()

static ClassPtr	weak_serialization_reference_class ()

static ClassPtr	weak_array_class ()

static void	InitNullAndBool (IsolateGroup *isolate_group)

static void	Init (IsolateGroup *isolate_group)

static void	InitVtables ()

static void	FinishInit (IsolateGroup *isolate_group)

static void	FinalizeVMIsolate (IsolateGroup *isolate_group)

static void	FinalizeReadOnlyObject (ObjectPtr object)

static void	Cleanup ()

static ErrorPtr	Init (IsolateGroup isolate_group, const uint8_t kernel_buffer, intptr_t kernel_buffer_size)

static void	MakeUnusedSpaceTraversable (const Object &obj, intptr_t original_size, intptr_t used_size)

static intptr_t	InstanceSize ()

template<class FakeObject >
static void	VerifyBuiltinVtable (intptr_t cid)

static void	VerifyBuiltinVtables ()

static bool	ShouldHaveImmutabilityBitSet (classid_t class_id)

Protected Member Functions
void	RecomputeDataField ()

Protected Member Functions inherited from dart::TypedDataBase
void	SetLength (intptr_t value) const

virtual uint8_t *	Validate (uint8_t *data) const

Protected Member Functions inherited from dart::Instance
virtual void	PrintSharedInstanceJSON (JSONObject *jsobj, bool ref, bool include_id=true) const

Protected Member Functions inherited from dart::Object
	Object ()

uword	raw_value () const

void	setPtr (ObjectPtr value, intptr_t default_cid)

void	CheckHandle () const

cpp_vtable	vtable () const

void	set_vtable (cpp_vtable value)

bool	Contains (uword addr) const

template<typename type , std::memory_order order = std::memory_order_relaxed>
type	LoadPointer (type const *addr) const

template<typename type , std::memory_order order = std::memory_order_relaxed>
void	StorePointer (type const *addr, type value) const

template<typename type , typename compressed_type , std::memory_order order = std::memory_order_relaxed>
void	StoreCompressedPointer (compressed_type const *addr, type value) const

template<typename type >
void	StorePointerUnaligned (type const addr, type value, Thread thread) const

void	StoreSmi (SmiPtr const *addr, SmiPtr value) const

template<typename FieldType >
void	StoreSimd128 (const FieldType *addr, simd128_value_t value) const

template<typename FieldType >
FieldType	LoadNonPointer (const FieldType *addr) const

template<typename FieldType , std::memory_order order>
FieldType	LoadNonPointer (const FieldType *addr) const

template<typename FieldType , typename ValueType >
void	StoreNonPointer (const FieldType *addr, ValueType value) const

template<typename FieldType , typename ValueType , std::memory_order order>
void	StoreNonPointer (const FieldType *addr, ValueType value) const

template<typename FieldType >
FieldType *	UnsafeMutableNonPointer (const FieldType *addr) const

	CLASS_LIST (STORE_NON_POINTER_ILLEGAL_TYPE)

void	UnimplementedMethod () const

void	AddCommonObjectProperties (JSONObject jsobj, const char protocol_type, bool ref) const

Friends
class	Class

class	ExternalTypedData

class	TypedDataView

Additional Inherited Members
Public Types inherited from dart::Object
enum	NameVisibility { kInternalName = 0 , kScrubbedName , kUserVisibleName }

enum class	NameDisambiguation { kYes , kNo }

using	UntaggedObjectType = UntaggedObject

using	ObjectPtrType = ObjectPtr

Static Public Attributes inherited from dart::Object
static constexpr intptr_t	kHashBits = 30

static const ClassId	kClassId = kObjectCid

Static Protected Member Functions inherited from dart::Object
static DART_NOINLINE Object &	HandleImpl (Zone *zone, ObjectPtr ptr, intptr_t default_cid)

static DART_NOINLINE Object &	ZoneHandleImpl (Zone *zone, ObjectPtr ptr, intptr_t default_cid)

static DART_NOINLINE Object *	ReadOnlyHandleImpl (intptr_t cid)

static ObjectPtr	Allocate (intptr_t cls_id, intptr_t size, Heap::Space space, bool compressed, uword ptr_field_start_offset, uword ptr_field_end_offset)

template<typename T >
static DART_FORCE_INLINE T::ObjectPtrType	Allocate (Heap::Space space)

template<typename T >
static DART_FORCE_INLINE T::ObjectPtrType	Allocate (Heap::Space space, intptr_t elements)

template<typename T >
static DART_FORCE_INLINE T::ObjectPtrType	AllocateVariant (intptr_t class_id, Heap::Space space)

template<typename T >
static DART_FORCE_INLINE T::ObjectPtrType	AllocateVariant (intptr_t class_id, Heap::Space space, intptr_t elements)

static constexpr intptr_t	RoundedAllocationSize (intptr_t size)

static ObjectPtr	Clone (const Object &orig, Heap::Space space, bool load_with_relaxed_atomics=false)

template<typename T >
static DART_FORCE_INLINE uword	from_offset ()

template<typename T >
static DART_FORCE_INLINE uword	to_offset (intptr_t length=0)

Protected Attributes inherited from dart::Object
ObjectPtr	ptr_

Detailed Description

Definition at line 11608 of file object.h.

Member Function Documentation

◆ CanonicalizeEquals()

bool dart::TypedData::CanonicalizeEquals ( const Instance & other ) const

virtual

Reimplemented from dart::Instance.

Definition at line 25629 of file object.cc.

                                                              {
  if (this->ptr() == other.ptr()) {
    // Both handles point to the same raw instance.
    return true;
  }
 
  if (!other.IsTypedData() || other.IsNull()) {
    return false;
  }
 
  const TypedData& other_typed_data = TypedData::Cast(other);
 
  if (this->ElementType() != other_typed_data.ElementType()) {
    return false;
  }
 
  const intptr_t len = this->LengthInBytes();
  if (len != other_typed_data.LengthInBytes()) {
    return false;
  }
  NoSafepointScope no_safepoint;
  return (len == 0) ||
         (memcmp(DataAddr(0), other_typed_data.DataAddr(0), len) == 0);
}

◆ CanonicalizeHash()

uint32_t dart::TypedData::CanonicalizeHash ( ) const

virtual

Reimplemented from dart::Instance.

Definition at line 25654 of file object.cc.

                                           {
  const intptr_t len = this->LengthInBytes();
  if (len == 0) {
    return 1;
  }
  uint32_t hash = len;
  for (intptr_t i = 0; i < len; i++) {
    hash = CombineHashes(len, GetUint8(i));
  }
  return FinalizeHash(hash, kHashBits);
}

◆ Grow()

TypedDataPtr dart::TypedData::Grow	(	const TypedData &	current,
		intptr_t	len,
		Heap::Space	space = `Heap::kNew`
	)

static

Definition at line 25680 of file object.cc.

                                              {
  ASSERT(len > current.Length());
  const auto& new_td =
      TypedData::Handle(TypedData::New(current.GetClassId(), len, space));
  {
    NoSafepointScope no_safepoint_scope;
    memcpy(new_td.DataAddr(0), current.DataAddr(0), current.LengthInBytes());
  }
  return new_td.ptr();
}

◆ InstanceSize() [1/2]

static intptr_t dart::TypedData::InstanceSize ( )

inlinestatic

Definition at line 11647 of file object.h.

                                 {
    ASSERT(sizeof(UntaggedTypedData) ==
           OFFSET_OF_RETURNED_VALUE(UntaggedTypedData, internal_data));
    return 0;
  }

◆ InstanceSize() [2/2]

static intptr_t dart::TypedData::InstanceSize ( intptr_t lengthInBytes )

inlinestatic

Definition at line 11653 of file object.h.

                                                       {
    ASSERT(0 <= lengthInBytes && lengthInBytes <= kSmiMax);
    return RoundedAllocationSize(sizeof(UntaggedTypedData) + lengthInBytes);
  }

◆ IsTypedData()

static bool dart::TypedData::IsTypedData ( const Instance & obj )

inlinestatic

Definition at line 11677 of file object.h.

                                               {
    ASSERT(!obj.IsNull());
    intptr_t cid = obj.ptr()->GetClassId();
    return IsTypedDataClassId(cid);
  }

◆ MaxElements()

static intptr_t dart::TypedData::MaxElements ( intptr_t class_id )

inlinestatic

Definition at line 11658 of file object.h.

                                                 {
    ASSERT(IsTypedDataClassId(class_id));
    return (kSmiMax / ElementSizeInBytes(class_id));
  }

◆ MaxNewSpaceElements()

static intptr_t dart::TypedData::MaxNewSpaceElements ( intptr_t class_id )

inlinestatic

Definition at line 11663 of file object.h.

                                                         {
    ASSERT(IsTypedDataClassId(class_id));
    return (kNewAllocatableSize - sizeof(UntaggedTypedData)) /
           ElementSizeInBytes(class_id);
  }

◆ New()

TypedDataPtr dart::TypedData::New	(	intptr_t	class_id,
		intptr_t	len,
		Heap::Space	space = `Heap::kNew`
	)

static

Definition at line 25666 of file object.cc.

                                             {
  if (len < 0 || len > TypedData::MaxElements(class_id)) {
    FATAL("Fatal error in TypedData::New: invalid len %" Pd "\n", len);
  }
  auto raw = Object::AllocateVariant<TypedData>(
      class_id, space, len * ElementSizeInBytes(class_id));
  NoSafepointScope no_safepoint;
  raw->untag()->set_length(Smi::New(len));
  raw->untag()->RecomputeDataField();
  return raw;
}

◆ payload_offset()

static intptr_t dart::TypedData::payload_offset ( )

inlinestatic

Definition at line 11643 of file object.h.

                                   {
    return UntaggedTypedData::payload_offset();
  }

◆ RecomputeDataField()

void dart::TypedData::RecomputeDataField ( )

inlineprotected

Definition at line 11684 of file object.h.

11684{ ptr()->untag()->RecomputeDataField(); }

dart::ObjectPtr::untag

UntaggedObject * untag() const

Definition tagged_pointer.h:105

Friends And Related Symbol Documentation

◆ Class

friend class Class

friend

Definition at line 11699 of file object.h.

◆ ExternalTypedData

friend class ExternalTypedData

friend

Definition at line 11700 of file object.h.

◆ TypedDataView

friend class TypedDataView

friend

Definition at line 11701 of file object.h.

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

third_party/dart-lang/sdk/runtime/vm/object.h
third_party/dart-lang/sdk/runtime/vm/object.cc

Public Member Functions

Static Public Member Functions

Protected Member Functions

Friends

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ CanonicalizeEquals()

◆ CanonicalizeHash()

◆ Grow()

◆ InstanceSize() [1/2]

◆ InstanceSize() [2/2]

◆ IsTypedData()

◆ MaxElements()

◆ MaxNewSpaceElements()

◆ New()

◆ payload_offset()

◆ RecomputeDataField()

Friends And Related Symbol Documentation

◆ Class

◆ ExternalTypedData

◆ TypedDataView