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class Oddball; // Alias for HeapObject::IsOddball() that avoids inlining. V8_EXPORT_PRIVATE bool IsOddball_NonInline(HeapObject o); template <class D, class P> class TorqueGeneratedOddball : public P { static_assert(std::is_same<Oddball, D>::value, "Use this class as direct base for Oddball."); static_assert(std::is_same<PrimitiveHeapObject, P>::value, "Pass in PrimitiveHeapObject as second template parameter for TorqueGeneratedOddball."); public: using Super = P; using TorqueGeneratedClass = TorqueGeneratedOddball<D,P>; inline double to_number_raw() const; inline void set_to_number_raw(double value); inline String to_string() const; inline String to_string(PtrComprCageBase cage_base) const; inline void set_to_string(String value, WriteBarrierMode mode = UPDATE_WRITE_BARRIER); // Torque type: Number inline Object to_number() const; inline Object to_number(PtrComprCageBase cage_base) const; inline void set_to_number(Object value, WriteBarrierMode mode = UPDATE_WRITE_BARRIER); inline String type_of() const; inline String type_of(PtrComprCageBase cage_base) const; inline void set_type_of(String value, WriteBarrierMode mode = UPDATE_WRITE_BARRIER); inline int kind() const; inline void set_kind(int 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); } DECL_PRINTER(Oddball) #ifdef VERIFY_HEAP V8_EXPORT_PRIVATE void OddballVerify(Isolate* isolate); #endif // VERIFY_HEAP static constexpr int kToNumberRawOffset = P::kHeaderSize; static constexpr int kToNumberRawOffsetEnd = kToNumberRawOffset + kDoubleSize - 1; static constexpr int kStartOfStrongFieldsOffset = kToNumberRawOffsetEnd + 1; static constexpr int kToStringOffset = kToNumberRawOffsetEnd + 1; static constexpr int kToStringOffsetEnd = kToStringOffset + kTaggedSize - 1; static constexpr int kToNumberOffset = kToStringOffsetEnd + 1; static constexpr int kToNumberOffsetEnd = kToNumberOffset + kTaggedSize - 1; static constexpr int kTypeOfOffset = kToNumberOffsetEnd + 1; static constexpr int kTypeOfOffsetEnd = kTypeOfOffset + kTaggedSize - 1; static constexpr int kKindOffset = kTypeOfOffsetEnd + 1; static constexpr int kKindOffsetEnd = kKindOffset + kTaggedSize - 1; static constexpr int kEndOfStrongFieldsOffset = kKindOffsetEnd + 1; static constexpr int kStartOfWeakFieldsOffset = kKindOffsetEnd + 1; static constexpr int kEndOfWeakFieldsOffset = kKindOffsetEnd + 1; static constexpr int kHeaderSize = kKindOffsetEnd + 1; static constexpr int kSize = kKindOffsetEnd + 1; V8_INLINE static constexpr int32_t SizeFor() { DCHECK(kHeaderSize == kSize && kHeaderSize == 48); int32_t size = kHeaderSize; return size; } V8_INLINE int32_t AllocatedSize() const { return SizeFor(); } friend class Factory; public: template <class DAlias = D> constexpr TorqueGeneratedOddball() : P() { static_assert(std::is_base_of<TorqueGeneratedOddball, DAlias>::value, "class TorqueGeneratedOddball should be used as direct base for Oddball."); } protected: inline explicit TorqueGeneratedOddball(Address ptr); // Special-purpose constructor for subclasses that have fast paths where // their ptr() is a Smi. inline explicit TorqueGeneratedOddball(Address ptr, HeapObject::AllowInlineSmiStorage allow_smi); };