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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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13
Userland/Libraries/LibJS/Runtime/Realm.h
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2021, Linus Groh <linusg@serenityos.org>
* Copyright (c) 2021-2022, Linus Groh <linusg@serenityos.org>
* Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
@ -7,10 +7,12 @@
#pragma once
#include <AK/Badge.h>
#include <AK/OwnPtr.h>
#include <AK/StringView.h>
#include <AK/Weakable.h>
#include <LibJS/Heap/Cell.h>
#include <LibJS/Runtime/Intrinsics.h>
namespace JS {
@ -33,6 +35,14 @@ public:
[[nodiscard]] GlobalObject& global_object() const { return *m_global_object; }
[[nodiscard]] GlobalEnvironment& global_environment() const { return *m_global_environment; }
[[nodiscard]] Intrinsics const& intrinsics() const { return *m_intrinsics; }
[[nodiscard]] Intrinsics& intrinsics() { return *m_intrinsics; }
void set_intrinsics(Badge<Intrinsics>, Intrinsics& intrinsics)
{
VERIFY(!m_intrinsics);
m_intrinsics = &intrinsics;
}
HostDefined* host_defined() { return m_host_defined; }
void set_host_defined(OwnPtr<HostDefined> host_defined) { m_host_defined = move(host_defined); }
@ -40,6 +50,7 @@ private:
virtual StringView class_name() const override { return "Realm"sv; }
virtual void visit_edges(Visitor&) override;
Intrinsics* m_intrinsics { nullptr }; // [[Intrinsics]]
GlobalObject* m_global_object { nullptr }; // [[GlobalObject]]
GlobalEnvironment* m_global_environment { nullptr }; // [[GlobalEnv]]
OwnPtr<HostDefined> m_host_defined; // [[HostDefined]]