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LibJS: Add basic monomorphic caching for PutById property access

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This patch makes it possible for JS::Object::internal_set() to populate
a CacheablePropertyMetadata, and uses this to implement a basic
monomorphic cache for the most common form of property write access.
This commit is contained in:
Andreas Kling
2023-11-08 20:51:26 +01:00
parent 28118623f5
commit b1b2ca1485
Notes: sideshowbarker 2024-07-17 00:47:29 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/b1b2ca1485
Pull-request: https://github.com/SerenityOS/serenity/pull/21859
28 changed files with 99 additions and 54 deletions
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Userland/Libraries/LibJS/Runtime/ModuleNamespaceObject.h
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@@ -26,7 +26,7 @@ public:
virtual ThrowCompletionOr<bool> internal_define_own_property(PropertyKey const&, PropertyDescriptor const&) override;
virtual ThrowCompletionOr<bool> internal_has_property(PropertyKey const&) const override;
virtual ThrowCompletionOr<Value> internal_get(PropertyKey const&, Value receiver, CacheablePropertyMetadata* = nullptr) const override;
virtual ThrowCompletionOr<bool> internal_set(PropertyKey const&, Value value, Value receiver) override;
virtual ThrowCompletionOr<bool> internal_set(PropertyKey const&, Value value, Value receiver, CacheablePropertyMetadata*) override;
virtual ThrowCompletionOr<bool> internal_delete(PropertyKey const&) override;
virtual ThrowCompletionOr<MarkedVector<Value>> internal_own_property_keys() const override;
virtual void initialize(Realm&) override;