Flutter Engine
The Flutter Engine
Public Member Functions | Static Public Member Functions | Friends | List of all members
dart::WeakSerializationReference Class Reference

#include <object.h>

Inheritance diagram for dart::WeakSerializationReference:
dart::Object

Public Member Functions

ObjectPtr target () 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 ObjectPtr TargetOf (const WeakSerializationReferencePtr obj)
 
static ObjectPtr Unwrap (ObjectPtr obj)
 
static ObjectPtr Unwrap (const Object &obj)
 
static ObjectPtr UnwrapIfTarget (ObjectPtr obj)
 
static ObjectPtr UnwrapIfTarget (const Object &obj)
 
static intptr_t InstanceSize ()
 
static ObjectPtr New (const Object &target, const Object &replacement)
 
- 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

- 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
 
- 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 6660 of file object.h.

Member Function Documentation

◆ InstanceSize()

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

Definition at line 6679 of file object.h.

6679 {
6680 return RoundedAllocationSize(sizeof(UntaggedWeakSerializationReference));
6681 }
static constexpr intptr_t RoundedAllocationSize(intptr_t size)
Definition: object.h:758

◆ New()

ObjectPtr dart::WeakSerializationReference::New ( const Object target,
const Object replacement 
)
static

Definition at line 17500 of file object.cc.

17501 {
17503 // Don't wrap any object in the VM heap, as all objects in the VM isolate
17504 // heap are currently serialized.
17505 //
17506 // Note that we _do_ wrap Smis if requested. Smis are serialized in the Mint
17507 // cluster, and so dropping them if not strongly referenced saves space in
17508 // the snapshot.
17509 if (target.ptr()->IsHeapObject() && target.InVMIsolateHeap()) {
17510 return target.ptr();
17511 }
17512 // If the target is a WSR that already uses the replacement, then return it.
17513 if (target.IsWeakSerializationReference() &&
17514 WeakSerializationReference::Cast(target).replacement() ==
17515 replacement.ptr()) {
17516 return target.ptr();
17517 }
17519 Object::Allocate<WeakSerializationReference>(Heap::kOld));
17520 // Don't nest WSRs, instead just use the old WSR's target.
17521 result.untag()->set_target(target.IsWeakSerializationReference()
17523 : target.ptr());
17524 result.untag()->set_replacement(replacement.ptr());
17525 return result.ptr();
17526}
@ kOld
Definition: heap.h:39
static ClassPtr weak_serialization_reference_class()
Definition: object.h:567
static ObjectPtr null()
Definition: object.h:433
static Object & Handle()
Definition: object.h:407
static ObjectPtr Unwrap(ObjectPtr obj)
Definition: object.h:6667
ObjectPtr target() const
Definition: object.h:6662
#define ASSERT(E)
GAsyncResult * result

◆ target()

ObjectPtr dart::WeakSerializationReference::target ( ) const
inline

Definition at line 6662 of file object.h.

6662{ return TargetOf(ptr()); }
ObjectPtr ptr() const
Definition: object.h:332
static ObjectPtr TargetOf(const WeakSerializationReferencePtr obj)
Definition: object.h:6663

◆ TargetOf()

static ObjectPtr dart::WeakSerializationReference::TargetOf ( const WeakSerializationReferencePtr  obj)
inlinestatic

Definition at line 6663 of file object.h.

6663 {
6664 return obj->untag()->target();
6665 }

◆ Unwrap() [1/2]

static ObjectPtr dart::WeakSerializationReference::Unwrap ( const Object obj)
inlinestatic

Definition at line 6675 of file object.h.

6675{ return Unwrap(obj.ptr()); }

◆ Unwrap() [2/2]

static ObjectPtr dart::WeakSerializationReference::Unwrap ( ObjectPtr  obj)
inlinestatic

Definition at line 6667 of file object.h.

6667 {
6668#if defined(DART_PRECOMPILER)
6669 if (obj->IsHeapObject() && obj->IsWeakSerializationReference()) {
6670 return TargetOf(static_cast<WeakSerializationReferencePtr>(obj));
6671 }
6672#endif
6673 return obj;
6674 }

◆ UnwrapIfTarget() [1/2]

static ObjectPtr dart::WeakSerializationReference::UnwrapIfTarget ( const Object obj)
inlinestatic

Definition at line 6677 of file object.h.

6677{ return Unwrap(obj); }

◆ UnwrapIfTarget() [2/2]

static ObjectPtr dart::WeakSerializationReference::UnwrapIfTarget ( ObjectPtr  obj)
inlinestatic

Definition at line 6676 of file object.h.

6676{ return Unwrap(obj); }

Friends And Related Function Documentation

◆ Class

friend class Class
friend

Definition at line 6692 of file object.h.


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