diff options
Diffstat (limited to 'deps/v8/src/heap/objects-visiting.h')
| -rw-r--r-- | deps/v8/src/heap/objects-visiting.h | 143 |
1 files changed, 78 insertions, 65 deletions
diff --git a/deps/v8/src/heap/objects-visiting.h b/deps/v8/src/heap/objects-visiting.h index 147af52c7e..696b12a31c 100644 --- a/deps/v8/src/heap/objects-visiting.h +++ b/deps/v8/src/heap/objects-visiting.h @@ -20,54 +20,67 @@ namespace internal { class BigInt; class BytecodeArray; class DataHandler; +class EmbedderDataArray; class JSArrayBuffer; class JSDataView; class JSRegExp; class JSTypedArray; +class JSWeakCell; +class JSWeakRef; class JSWeakCollection; -class UncompiledDataWithoutPreParsedScope; -class UncompiledDataWithPreParsedScope; - -#define TYPED_VISITOR_ID_LIST(V) \ - V(AllocationSite) \ - V(BigInt) \ - V(ByteArray) \ - V(BytecodeArray) \ - V(Cell) \ - V(Code) \ - V(CodeDataContainer) \ - V(ConsString) \ - V(DataHandler) \ - V(EphemeronHashTable) \ - V(FeedbackCell) \ - V(FeedbackVector) \ - V(FixedArray) \ - V(FixedDoubleArray) \ - V(FixedFloat64Array) \ - V(FixedTypedArrayBase) \ - V(JSArrayBuffer) \ - V(JSDataView) \ - V(JSObject) \ - V(JSTypedArray) \ - V(JSWeakCollection) \ - V(Map) \ - V(Oddball) \ - V(PreParsedScopeData) \ - V(PropertyArray) \ - V(PropertyCell) \ - V(PrototypeInfo) \ - V(SeqOneByteString) \ - V(SeqTwoByteString) \ - V(SharedFunctionInfo) \ - V(SlicedString) \ - V(SmallOrderedHashMap) \ - V(SmallOrderedHashSet) \ - V(Symbol) \ - V(ThinString) \ - V(TransitionArray) \ - V(UncompiledDataWithoutPreParsedScope) \ - V(UncompiledDataWithPreParsedScope) \ - V(WasmInstanceObject) +class NativeContext; +class UncompiledDataWithoutPreparseData; +class UncompiledDataWithPreparseData; +class WasmInstanceObject; + +#define TYPED_VISITOR_ID_LIST(V) \ + V(AllocationSite, AllocationSite) \ + V(BigInt, BigInt) \ + V(ByteArray, ByteArray) \ + V(BytecodeArray, BytecodeArray) \ + V(Cell, Cell) \ + V(Code, Code) \ + V(CodeDataContainer, CodeDataContainer) \ + V(ConsString, ConsString) \ + V(Context, Context) \ + V(DataHandler, DataHandler) \ + V(DescriptorArray, DescriptorArray) \ + V(EmbedderDataArray, EmbedderDataArray) \ + V(EphemeronHashTable, EphemeronHashTable) \ + V(FeedbackCell, FeedbackCell) \ + V(FeedbackVector, FeedbackVector) \ + V(FixedArray, FixedArray) \ + V(FixedDoubleArray, FixedDoubleArray) \ + V(FixedFloat64Array, FixedFloat64Array) \ + V(FixedTypedArrayBase, FixedTypedArrayBase) \ + V(JSArrayBuffer, JSArrayBuffer) \ + V(JSDataView, JSDataView) \ + V(JSFunction, JSFunction) \ + V(JSObject, JSObject) \ + V(JSTypedArray, JSTypedArray) \ + V(JSWeakCell, JSWeakCell) \ + V(JSWeakCollection, JSWeakCollection) \ + V(JSWeakRef, JSWeakRef) \ + V(Map, Map) \ + V(NativeContext, NativeContext) \ + V(Oddball, Oddball) \ + V(PreparseData, PreparseData) \ + V(PropertyArray, PropertyArray) \ + V(PropertyCell, PropertyCell) \ + V(PrototypeInfo, PrototypeInfo) \ + V(SeqOneByteString, SeqOneByteString) \ + V(SeqTwoByteString, SeqTwoByteString) \ + V(SharedFunctionInfo, SharedFunctionInfo) \ + V(SlicedString, SlicedString) \ + V(SmallOrderedHashMap, SmallOrderedHashMap) \ + V(SmallOrderedHashSet, SmallOrderedHashSet) \ + V(SmallOrderedNameDictionary, SmallOrderedNameDictionary) \ + V(Symbol, Symbol) \ + V(ThinString, ThinString) \ + V(TransitionArray, TransitionArray) \ + V(UncompiledDataWithoutPreparseData, UncompiledDataWithoutPreparseData) \ + V(UncompiledDataWithPreparseData, UncompiledDataWithPreparseData) \ + V(WasmInstanceObject, WasmInstanceObject) // The base class for visitors that need to dispatch on object type. The default // behavior of all visit functions is to iterate body of the given object using @@ -83,36 +96,36 @@ class UncompiledDataWithPreParsedScope; template <typename ResultType, typename ConcreteVisitor> class HeapVisitor : public ObjectVisitor { public: - V8_INLINE ResultType Visit(HeapObject* object); - V8_INLINE ResultType Visit(Map* map, HeapObject* object); + V8_INLINE ResultType Visit(HeapObject object); + V8_INLINE ResultType Visit(Map map, HeapObject object); protected: // A guard predicate for visiting the object. // If it returns false then the default implementations of the Visit* // functions bailout from iterating the object pointers. - V8_INLINE bool ShouldVisit(HeapObject* object) { return true; } + V8_INLINE bool ShouldVisit(HeapObject object) { return true; } // Guard predicate for visiting the objects map pointer separately. V8_INLINE bool ShouldVisitMapPointer() { return true; } // A callback for visiting the map pointer in the object header. - V8_INLINE void VisitMapPointer(HeapObject* host, HeapObject** map); + V8_INLINE void VisitMapPointer(HeapObject host, MapWordSlot map_slot); // If this predicate returns false, then the heap visitor will fail // in default Visit implemention for subclasses of JSObject. V8_INLINE bool AllowDefaultJSObjectVisit() { return true; } -#define VISIT(type) V8_INLINE ResultType Visit##type(Map* map, type* object); +#define VISIT(TypeName, Type) \ + V8_INLINE ResultType Visit##TypeName(Map map, Type object); TYPED_VISITOR_ID_LIST(VISIT) #undef VISIT - V8_INLINE ResultType VisitShortcutCandidate(Map* map, ConsString* object); - V8_INLINE ResultType VisitNativeContext(Map* map, Context* object); - V8_INLINE ResultType VisitDataObject(Map* map, HeapObject* object); - V8_INLINE ResultType VisitJSObjectFast(Map* map, JSObject* object); - V8_INLINE ResultType VisitJSApiObject(Map* map, JSObject* object); - V8_INLINE ResultType VisitStruct(Map* map, HeapObject* object); - V8_INLINE ResultType VisitFreeSpace(Map* map, FreeSpace* object); - V8_INLINE ResultType VisitWeakArray(Map* map, HeapObject* object); + V8_INLINE ResultType VisitShortcutCandidate(Map map, ConsString object); + V8_INLINE ResultType VisitDataObject(Map map, HeapObject object); + V8_INLINE ResultType VisitJSObjectFast(Map map, JSObject object); + V8_INLINE ResultType VisitJSApiObject(Map map, JSObject object); + V8_INLINE ResultType VisitStruct(Map map, HeapObject object); + V8_INLINE ResultType VisitFreeSpace(Map map, FreeSpace object); + V8_INLINE ResultType VisitWeakArray(Map map, HeapObject object); template <typename T> - static V8_INLINE T* Cast(HeapObject* object); + static V8_INLINE T Cast(HeapObject object); }; template <typename ConcreteVisitor> @@ -122,18 +135,16 @@ class NewSpaceVisitor : public HeapVisitor<int, ConcreteVisitor> { // Special cases for young generation. - V8_INLINE int VisitNativeContext(Map* map, Context* object); - V8_INLINE int VisitJSApiObject(Map* map, JSObject* object); + V8_INLINE int VisitNativeContext(Map map, NativeContext object); + V8_INLINE int VisitJSApiObject(Map map, JSObject object); - int VisitBytecodeArray(Map* map, BytecodeArray* object) { + int VisitBytecodeArray(Map map, BytecodeArray object) { UNREACHABLE(); return 0; } - int VisitSharedFunctionInfo(Map* map, SharedFunctionInfo* object) { - UNREACHABLE(); - return 0; - } + int VisitSharedFunctionInfo(Map map, SharedFunctionInfo object); + int VisitJSWeakCell(Map map, JSWeakCell js_weak_cell); }; class WeakObjectRetainer; @@ -144,7 +155,9 @@ class WeakObjectRetainer; // pointers. The template parameter T is a WeakListVisitor that defines how to // access the next-element pointers. template <class T> -Object* VisitWeakList(Heap* heap, Object* list, WeakObjectRetainer* retainer); +Object VisitWeakList(Heap* heap, Object list, WeakObjectRetainer* retainer); +template <class T> +Object VisitWeakList2(Heap* heap, Object list, WeakObjectRetainer* retainer); } // namespace internal } // namespace v8 |