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class FeedbackCell; // Alias for HeapObject::IsFeedbackCell() that avoids inlining. V8_EXPORT_PRIVATE bool IsFeedbackCell_NonInline(HeapObject o); template <class D, class P> class TorqueGeneratedFeedbackCell : public P { static_assert(std::is_same<FeedbackCell, D>::value, "Use this class as direct base for FeedbackCell."); static_assert(std::is_same<Struct, P>::value, "Pass in Struct as second template parameter for TorqueGeneratedFeedbackCell."); public: using Super = P; using TorqueGeneratedClass = TorqueGeneratedFeedbackCell<D,P>; // Torque type: (Undefined | class FixedArray | class FeedbackVector) inline HeapObject value() const; inline HeapObject value(PtrComprCageBase cage_base) const; inline void set_value(HeapObject value, WriteBarrierMode mode = UPDATE_WRITE_BARRIER); inline int32_t interrupt_budget() const; inline void set_interrupt_budget(int32_t value); V8_INLINE static D cast(Object object) { return D(object.ptr()); } V8_INLINE static D unchecked_cast(Object object) { return bit_cast<D>(object); } #ifdef VERIFY_HEAP V8_EXPORT_PRIVATE void FeedbackCellVerify(Isolate* isolate); #endif // VERIFY_HEAP static constexpr int kStartOfStrongFieldsOffset = P::kHeaderSize; static constexpr int kValueOffset = P::kHeaderSize; static constexpr int kValueOffsetEnd = kValueOffset + kTaggedSize - 1; static constexpr int kEndOfStrongFieldsOffset = kValueOffsetEnd + 1; static constexpr int kInterruptBudgetOffset = kValueOffsetEnd + 1; static constexpr int kInterruptBudgetOffsetEnd = kInterruptBudgetOffset + kInt32Size - 1; static constexpr int kStartOfWeakFieldsOffset = kInterruptBudgetOffsetEnd + 1; static constexpr int kEndOfWeakFieldsOffset = kInterruptBudgetOffsetEnd + 1; static constexpr int kHeaderSize = kInterruptBudgetOffsetEnd + 1; static constexpr int kSize = kInterruptBudgetOffsetEnd + 1; V8_INLINE static constexpr int32_t SizeFor() { DCHECK(kHeaderSize == kSize && kHeaderSize == 20); int32_t size = kHeaderSize; size = OBJECT_POINTER_ALIGN(size); return size; } V8_INLINE int32_t AllocatedSize() const { return SizeFor(); } friend class Factory; public: template <class DAlias = D> constexpr TorqueGeneratedFeedbackCell() : P() { static_assert(std::is_base_of<TorqueGeneratedFeedbackCell, DAlias>::value, "class TorqueGeneratedFeedbackCell should be used as direct base for FeedbackCell."); } protected: inline explicit TorqueGeneratedFeedbackCell(Address ptr); // Special-purpose constructor for subclasses that have fast paths where // their ptr() is a Smi. inline explicit TorqueGeneratedFeedbackCell(Address ptr, HeapObject::AllowInlineSmiStorage allow_smi); };