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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
28 changed files with 99 additions and 54 deletions
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2
Userland/Libraries/LibWeb/HTML/WindowProxy.cpp
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@ -169,7 +169,7 @@ JS::ThrowCompletionOr<JS::Value> WindowProxy::internal_get(JS::PropertyKey const
}
// 7.4.8 [[Set]] ( P, V, Receiver ), https://html.spec.whatwg.org/multipage/window-object.html#windowproxy-set
JS::ThrowCompletionOr<bool> WindowProxy::internal_set(JS::PropertyKey const& property_key, JS::Value value, JS::Value receiver)
JS::ThrowCompletionOr<bool> WindowProxy::internal_set(JS::PropertyKey const& property_key, JS::Value value, JS::Value receiver, JS::CacheablePropertyMetadata*)
{
auto& vm = this->vm();