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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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12
Userland/Libraries/LibJS/Runtime/Object.cpp
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@ -27,9 +27,9 @@ namespace JS {
Object* Object::create(Realm& realm, Object* prototype)
{
if (!prototype)
return realm.heap().allocate<Object>(realm, *realm.global_object().empty_object_shape());
else if (prototype == realm.global_object().object_prototype())
return realm.heap().allocate<Object>(realm, *realm.global_object().new_object_shape());
return realm.heap().allocate<Object>(realm, *realm.intrinsics().empty_object_shape());
else if (prototype == realm.intrinsics().object_prototype())
return realm.heap().allocate<Object>(realm, *realm.intrinsics().new_object_shape());
else
return realm.heap().allocate<Object>(realm, *prototype);
}
@ -52,14 +52,16 @@ Object::Object(ConstructWithoutPrototypeTag, Realm& realm)
Object::Object(Realm& realm, Object* prototype)
{
m_shape = realm.global_object().empty_object_shape();
m_shape = realm.intrinsics().empty_object_shape();
VERIFY(m_shape);
if (prototype != nullptr)
set_prototype(prototype);
}
Object::Object(Object& prototype)
{
m_shape = prototype.global_object().empty_object_shape();
m_shape = prototype.shape().realm().intrinsics().empty_object_shape();
VERIFY(m_shape);
set_prototype(&prototype);
}