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class JSPromise; class JSFunction; // Alias for HeapObject::IsJSPromise() that avoids inlining. V8_EXPORT_PRIVATE bool IsJSPromise_NonInline(HeapObject o); template <class D, class P> class TorqueGeneratedJSPromise : public P { static_assert(std::is_same<JSPromise, D>::value, "Use this class as direct base for JSPromise."); static_assert(std::is_same<JSObject, P>::value, "Pass in JSObject as second template parameter for TorqueGeneratedJSPromise."); public: using Super = P; using TorqueGeneratedClass = TorqueGeneratedJSPromise<D,P>; // Torque type: (class JSReceiver | Undefined | Null | False | True | class Symbol | class String | BigInt | class HeapNumber | Smi | class PromiseReaction) inline Object reactions_or_result() const; inline Object reactions_or_result(PtrComprCageBase cage_base) const; inline void set_reactions_or_result(Object value, WriteBarrierMode mode = UPDATE_WRITE_BARRIER); inline int flags() const; inline void set_flags(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); } #ifdef VERIFY_HEAP V8_EXPORT_PRIVATE void JSPromiseVerify(Isolate* isolate); #endif // VERIFY_HEAP static constexpr int kStartOfStrongFieldsOffset = P::kHeaderSize; static constexpr int kReactionsOrResultOffset = P::kHeaderSize; static constexpr int kReactionsOrResultOffsetEnd = kReactionsOrResultOffset + kTaggedSize - 1; static constexpr int kFlagsOffset = kReactionsOrResultOffsetEnd + 1; static constexpr int kFlagsOffsetEnd = kFlagsOffset + kTaggedSize - 1; static constexpr int kEndOfStrongFieldsOffset = kFlagsOffsetEnd + 1; static constexpr int kStartOfWeakFieldsOffset = kFlagsOffsetEnd + 1; static constexpr int kEndOfWeakFieldsOffset = kFlagsOffsetEnd + 1; static constexpr int kHeaderSize = kFlagsOffsetEnd + 1; friend class Factory; public: template <class DAlias = D> constexpr TorqueGeneratedJSPromise() : P() { static_assert(std::is_base_of<TorqueGeneratedJSPromise, DAlias>::value, "class TorqueGeneratedJSPromise should be used as direct base for JSPromise."); } protected: inline explicit TorqueGeneratedJSPromise(Address ptr); // Special-purpose constructor for subclasses that have fast paths where // their ptr() is a Smi. inline explicit TorqueGeneratedJSPromise(Address ptr, HeapObject::AllowInlineSmiStorage allow_smi); };