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dart::NativeFinalizer Class Reference

#include <object.h>

Inheritance diagram for dart::NativeFinalizer:
dart::FinalizerBase dart::Instance dart::Object

Public Types

typedef void(* Callback) (void *)
 
- Public Types inherited from dart::Object
enum  NameVisibility { kInternalName = 0 , kScrubbedName , kUserVisibleName }
 
enum class  NameDisambiguation { kYes , kNo }
 
using UntaggedObjectType = UntaggedObject
 
using ObjectPtrType = ObjectPtr
 

Public Member Functions

PointerPtr callback () const
 
void set_callback (const Pointer &value) const
 
void RunCallback (const FinalizerEntry &entry, const char *trace_context) const
 
- Public Member Functions inherited from dart::FinalizerBase
Isolateisolate () const
 
void set_isolate (Isolate *value) const
 
SetPtr all_entries () const
 
void set_all_entries (const Set &value) const
 
FinalizerEntryPtr entries_collected () const
 
void set_entries_collected (const FinalizerEntry &value) const
 
- Public Member Functions inherited from dart::Instance
virtual bool OperatorEquals (const Instance &other) const
 
bool IsIdenticalTo (const Instance &other) const
 
virtual bool CanonicalizeEquals (const Instance &other) const
 
virtual uint32_t CanonicalizeHash () 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 callback_offset ()
 
static intptr_t InstanceSize ()
 
static NativeFinalizerPtr New (Heap::Space space=Heap::kNew)
 
- Static Public Member Functions inherited from dart::FinalizerBase
static intptr_t isolate_offset ()
 
static intptr_t detachments_offset ()
 
static intptr_t all_entries_offset ()
 
static intptr_t entries_collected_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 ObjectHandle ()
 
static ObjectHandle (Zone *zone)
 
static ObjectHandle (ObjectPtr ptr)
 
static ObjectHandle (Zone *zone, ObjectPtr ptr)
 
static ObjectZoneHandle ()
 
static ObjectZoneHandle (Zone *zone)
 
static ObjectZoneHandle (ObjectPtr ptr)
 
static ObjectZoneHandle (Zone *zone, ObjectPtr ptr)
 
static ObjectReadOnlyHandle ()
 
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)
 

Friends

class Class
 

Additional Inherited Members

- Static Public Attributes inherited from dart::Object
static constexpr intptr_t kHashBits = 30
 
static const ClassId kClassId = kObjectCid
 
- 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
 
- Static Protected Member Functions inherited from dart::Object
static DART_NOINLINE ObjectHandleImpl (Zone *zone, ObjectPtr ptr, intptr_t default_cid)
 
static DART_NOINLINE ObjectZoneHandleImpl (Zone *zone, ObjectPtr ptr, intptr_t default_cid)
 
static DART_NOINLINE ObjectReadOnlyHandleImpl (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 13092 of file object.h.

Member Typedef Documentation

◆ Callback

typedef void(* dart::NativeFinalizer::Callback) (void *)

Definition at line 13094 of file object.h.

Member Function Documentation

◆ callback()

PointerPtr dart::NativeFinalizer::callback ( ) const
inline

Definition at line 13096 of file object.h.

13096{ return untag()->callback(); }
raw_obj untag() -> num_entries()) VARIABLE_COMPRESSED_VISITOR(Array, Smi::Value(raw_obj->untag() ->length())) VARIABLE_COMPRESSED_VISITOR(TypedData, TypedData::ElementSizeInBytes(raw_obj->GetClassId()) *Smi::Value(raw_obj->untag() ->length())) VARIABLE_COMPRESSED_VISITOR(Record, RecordShape(raw_obj->untag() ->shape()).num_fields()) VARIABLE_NULL_VISITOR(CompressedStackMaps, CompressedStackMaps::PayloadSizeOf(raw_obj)) VARIABLE_NULL_VISITOR(OneByteString, Smi::Value(raw_obj->untag() ->length())) VARIABLE_NULL_VISITOR(TwoByteString, Smi::Value(raw_obj->untag() ->length())) intptr_t UntaggedField::VisitFieldPointers(FieldPtr raw_obj, ObjectPointerVisitor *visitor)
Definition: raw_object.cc:558

◆ callback_offset()

static intptr_t dart::NativeFinalizer::callback_offset ( )
inlinestatic

Definition at line 13100 of file object.h.

13100 {
13101 return OFFSET_OF(UntaggedNativeFinalizer, callback_);
13102 }
void(* callback_)(Dart_Handle)
#define OFFSET_OF(type, field)
Definition: globals.h:138

◆ InstanceSize()

static intptr_t dart::NativeFinalizer::InstanceSize ( )
inlinestatic

Definition at line 13104 of file object.h.

13104 {
13105 return RoundedAllocationSize(sizeof(UntaggedNativeFinalizer));
13106 }
static constexpr intptr_t RoundedAllocationSize(intptr_t size)
Definition: object.h:758

◆ New()

NativeFinalizerPtr dart::NativeFinalizer::New ( Heap::Space  space = Heap::kNew)
static

Definition at line 26798 of file object.cc.

26798 {
26799 ASSERT(IsolateGroup::Current()->object_store()->native_finalizer_class() !=
26800 Class::null());
26802 IsolateGroup::Current()->object_store()->native_finalizer_class())
26803 .EnsureIsAllocateFinalized(Thread::Current()) == Error::null());
26804 return Object::Allocate<NativeFinalizer>(space);
26805}
static IsolateGroup * Current()
Definition: isolate.h:539
static ObjectPtr null()
Definition: object.h:433
static Object & Handle()
Definition: object.h:407
static Thread * Current()
Definition: thread.h:362
#define ASSERT(E)

◆ RunCallback()

void dart::NativeFinalizer::RunCallback ( const FinalizerEntry entry,
const char *  trace_context 
) const

Definition at line 26811 of file object.cc.

26812 {
26813 Thread* const thread = Thread::Current();
26814 Zone* const zone = thread->zone();
26815 IsolateGroup* const group = thread->isolate_group();
26816 const intptr_t external_size = entry.external_size();
26817 const auto& token_object = Object::Handle(zone, entry.token());
26818 const auto& callback_pointer = Pointer::Handle(zone, this->callback());
26819 const auto callback = reinterpret_cast<NativeFinalizer::Callback>(
26820 callback_pointer.NativeAddress());
26821 if (token_object.IsFinalizerEntry()) {
26822 // Detached from Dart code.
26823 ASSERT(token_object.ptr() == entry.ptr());
26824 ASSERT(external_size == 0);
26825 if (FLAG_trace_finalizers) {
26826 THR_Print(
26827 "%s: Not running native finalizer %p callback %p, "
26828 "detached\n",
26829 trace_context, ptr()->untag(), callback);
26830 }
26831 } else {
26832 const auto& token = Pointer::Cast(token_object);
26833 void* peer = reinterpret_cast<void*>(token.NativeAddress());
26834 if (FLAG_trace_finalizers) {
26835 THR_Print(
26836 "%s: Running native finalizer %p callback %p "
26837 "with token %p\n",
26838 trace_context, ptr()->untag(), callback, peer);
26839 }
26840 entry.set_token(entry);
26841 callback(peer);
26842 if (external_size > 0) {
26843 ASSERT(!entry.value()->IsSmi());
26844 Heap::Space space =
26845 entry.value()->IsOldObject() ? Heap::kOld : Heap::kNew;
26846 if (FLAG_trace_finalizers) {
26847 THR_Print("%s: Clearing external size %" Pd " bytes in %s space\n",
26848 trace_context, external_size, space == 0 ? "new" : "old");
26849 }
26850 group->heap()->FreedExternal(external_size, space);
26851 entry.set_external_size(0);
26852 }
26853 }
26854}
@ kNew
Definition: heap.h:38
@ kOld
Definition: heap.h:39
void(* Callback)(void *)
Definition: object.h:13094
PointerPtr callback() const
Definition: object.h:13096
ObjectPtr ptr() const
Definition: object.h:332
friend class Thread
Definition: object.h:1025
#define THR_Print(format,...)
Definition: log.h:20
#define Pd
Definition: globals.h:408

◆ set_callback()

void dart::NativeFinalizer::set_callback ( const Pointer value) const
inline

Definition at line 13097 of file object.h.

13097 {
13098 untag()->set_callback(value.ptr());
13099 }
uint8_t value

Friends And Related Function Documentation

◆ Class

friend class Class
friend

Definition at line 13115 of file object.h.


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