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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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4
Userland/Libraries/LibWeb/HTML/Location.cpp
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@ -507,13 +507,13 @@ JS::ThrowCompletionOr<JS::Value> Location::internal_get(JS::PropertyKey const& p
}
// 7.10.5.8 [[Set]] ( P, V, Receiver ), https://html.spec.whatwg.org/multipage/history.html#location-set
JS::ThrowCompletionOr<bool> Location::internal_set(JS::PropertyKey const& property_key, JS::Value value, JS::Value receiver)
JS::ThrowCompletionOr<bool> Location::internal_set(JS::PropertyKey const& property_key, JS::Value value, JS::Value receiver, JS::CacheablePropertyMetadata* cacheable_metadata)
{
auto& vm = this->vm();
// 1. If IsPlatformObjectSameOrigin(this) is true, then return ? OrdinarySet(this, P, V, Receiver).
if (HTML::is_platform_object_same_origin(*this))
return JS::Object::internal_set(property_key, value, receiver);
return JS::Object::internal_set(property_key, value, receiver, cacheable_metadata);
// 2. Return ? CrossOriginSet(this, P, V, Receiver).
return HTML::cross_origin_set(vm, static_cast<JS::Object&>(*this), property_key, value, receiver);