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LibJS: Add Object::may_interfere_with_indexed_property_access() virtual

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This function must return true if the object may intercept and customize
access to indexed properties (properties where the property name is a
non-negative integer.)

This will be used to implement fast path optimizations for array-like
accesses in subsequent commits.
This commit is contained in:
Andreas Kling 2023-10-05 08:58:30 +02:00
parent 900334a4aa
commit 7df1692580
12 changed files with 28 additions and 0 deletions
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2
Userland/Libraries/LibJS/Runtime/ProxyObject.h
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@ -45,6 +45,8 @@ public:
virtual ThrowCompletionOr<Value> internal_call(Value this_argument, MarkedVector<Value> arguments_list) override;
virtual ThrowCompletionOr<NonnullGCPtr<Object>> internal_construct(MarkedVector<Value> arguments_list, FunctionObject& new_target) override;
virtual bool may_interfere_with_indexed_property_access() const final { return true; }
private:
ProxyObject(Object& target, Object& handler, Object& prototype);