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LibJS: Move intrinsics to the realm

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Intrinsics, i.e. mostly constructor and prototype objects, but also
things like empty and new object shape now live on a new heap-allocated
JS::Intrinsics object, thus completing the long journey of taking all
the magic away from the global object.
This represents the Realm's [[Intrinsics]] slot in the spec and matches
its existing [[GlobalObject]] / [[GlobalEnv]] slots in terms of
architecture.

In the majority of cases it should now be possibly to fully allocate a
regular object without the global object existing, and in fact that's
what we do now - the realm is allocated before the global object, and
the intrinsics between both :^)
This commit is contained in:
Linus Groh 2022-08-27 00:54:55 +01:00
parent 84c4b66721
commit 50428ea8d2
217 changed files with 1305 additions and 1039 deletions
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4
Userland/Libraries/LibJS/Runtime/AbstractOperations.h
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@ -38,7 +38,7 @@ ThrowCompletionOr<Realm*> get_function_realm(VM&, FunctionObject const&);
ThrowCompletionOr<void> initialize_bound_name(VM&, FlyString const&, Value, Environment*);
bool is_compatible_property_descriptor(bool extensible, PropertyDescriptor const&, Optional<PropertyDescriptor> const& current);
bool validate_and_apply_property_descriptor(Object*, PropertyKey const&, bool extensible, PropertyDescriptor const&, Optional<PropertyDescriptor> const& current);
ThrowCompletionOr<Object*> get_prototype_from_constructor(VM&, FunctionObject const& constructor, Object* (GlobalObject::*intrinsic_default_prototype)());
ThrowCompletionOr<Object*> get_prototype_from_constructor(VM&, FunctionObject const& constructor, Object* (Intrinsics::*intrinsic_default_prototype)());
Object* create_unmapped_arguments_object(VM&, Span<Value> arguments);
Object* create_mapped_arguments_object(VM&, FunctionObject&, Vector<FunctionNode::Parameter> const&, Span<Value> arguments, Environment&);
@ -131,7 +131,7 @@ ALWAYS_INLINE ThrowCompletionOr<Object*> construct(VM& vm, FunctionObject& funct
// 10.1.13 OrdinaryCreateFromConstructor ( constructor, intrinsicDefaultProto [ , internalSlotsList ] ), https://tc39.es/ecma262/#sec-ordinarycreatefromconstructor
template<typename T, typename... Args>
ThrowCompletionOr<T*> ordinary_create_from_constructor(VM& vm, FunctionObject const& constructor, Object* (GlobalObject::*intrinsic_default_prototype)(), Args&&... args)
ThrowCompletionOr<T*> ordinary_create_from_constructor(VM& vm, FunctionObject const& constructor, Object* (Intrinsics::*intrinsic_default_prototype)(), Args&&... args)
{
auto& realm = *vm.current_realm();
auto* prototype = TRY(get_prototype_from_constructor(vm, constructor, intrinsic_default_prototype));