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serenity/Userland/Libraries/LibJS/Runtime/Realm.h
Linus Groh c8f1651761 LibJS+LibWeb: Restore type safety of Realm::set_global_object()
The changes from 8a03b17 to allow any JS::Value aren't a good fit, as
shown by the excessive amount of verify_cast needed :^)
2022-08-06 12:02:48 +02:00

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1.5 KiB
C++

/*
* Copyright (c) 2021, Linus Groh <linusg@serenityos.org>
* Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/OwnPtr.h>
#include <AK/StringView.h>
#include <AK/Weakable.h>
#include <LibJS/Heap/Cell.h>
namespace JS {
// 9.3 Realms, https://tc39.es/ecma262/#realm-record
class Realm final
: public Cell
, public Weakable<Realm> {
public:
struct HostDefined {
virtual ~HostDefined() = default;
};
Realm() = default;
static Realm* create(VM&);
static ThrowCompletionOr<NonnullOwnPtr<ExecutionContext>> initialize_host_defined_realm(VM&, Function<GlobalObject*(Realm&)> create_global_object, Function<GlobalObject*(Realm&)> create_global_this_value);
void set_global_object(GlobalObject* global_object, GlobalObject* this_value);
[[nodiscard]] GlobalObject& global_object() const { return *m_global_object; }
[[nodiscard]] GlobalEnvironment& global_environment() const { return *m_global_environment; }
HostDefined* host_defined() { return m_host_defined; }
void set_host_defined(OwnPtr<HostDefined> host_defined) { m_host_defined = move(host_defined); }
private:
virtual StringView class_name() const override { return "Realm"sv; }
virtual void visit_edges(Visitor&) override;
GlobalObject* m_global_object { nullptr }; // [[GlobalObject]]
GlobalEnvironment* m_global_environment { nullptr }; // [[GlobalEnv]]
OwnPtr<HostDefined> m_host_defined; // [[HostDefined]]
};
}