ladybird/Libraries/LibJS/Runtime/Realm.h
Shannon Booth f87041bf3a LibGC+Everywhere: Factor out a LibGC from LibJS
Resulting in a massive rename across almost everywhere! Alongside the
namespace change, we now have the following names:

 * JS::NonnullGCPtr -> GC::Ref
 * JS::GCPtr -> GC::Ptr
 * JS::HeapFunction -> GC::Function
 * JS::CellImpl -> GC::Cell
 * JS::Handle -> GC::Root
2024-11-15 14:49:20 +01:00

86 lines
2.8 KiB
C++

/*
* Copyright (c) 2021-2022, Linus Groh <linusg@serenityos.org>
* Copyright (c) 2022, Andreas Kling <andreas@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Badge.h>
#include <AK/OwnPtr.h>
#include <AK/StringView.h>
#include <AK/Weakable.h>
#include <LibGC/CellAllocator.h>
#include <LibGC/Heap.h>
#include <LibJS/Bytecode/Builtins.h>
#include <LibJS/Heap/Cell.h>
#include <LibJS/Runtime/Intrinsics.h>
#include <LibJS/Runtime/Value.h>
namespace JS {
// 9.3 Realms, https://tc39.es/ecma262/#realm-record
class Realm final : public Cell {
GC_CELL(Realm, Cell);
GC_DECLARE_ALLOCATOR(Realm);
public:
struct HostDefined {
virtual ~HostDefined() = default;
virtual void visit_edges(Cell::Visitor&) { }
};
template<typename T, typename... Args>
GC::Ref<T> create(Args&&... args)
{
auto object = heap().allocate<T>(forward<Args>(args)...);
static_cast<Cell*>(object)->initialize(*this);
return *object;
}
static ThrowCompletionOr<NonnullOwnPtr<ExecutionContext>> initialize_host_defined_realm(VM&, Function<Object*(Realm&)> create_global_object, Function<Object*(Realm&)> create_global_this_value);
[[nodiscard]] Object& global_object() const { return *m_global_object; }
void set_global_object(GC::Ref<Object> global) { m_global_object = global; }
[[nodiscard]] GlobalEnvironment& global_environment() const { return *m_global_environment; }
void set_global_environment(GC::Ref<GlobalEnvironment> environment) { m_global_environment = 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; }
HostDefined const* host_defined() const { return m_host_defined; }
void set_host_defined(OwnPtr<HostDefined> host_defined) { m_host_defined = move(host_defined); }
void define_builtin(Bytecode::Builtin builtin, GC::Ref<NativeFunction> value)
{
m_builtins[to_underlying(builtin)] = value;
}
GC::Ref<NativeFunction> get_builtin_value(Bytecode::Builtin builtin)
{
return *m_builtins[to_underlying(builtin)];
}
private:
Realm() = default;
virtual void visit_edges(Visitor&) override;
GC::Ptr<Intrinsics> m_intrinsics; // [[Intrinsics]]
GC::Ptr<Object> m_global_object; // [[GlobalObject]]
GC::Ptr<GlobalEnvironment> m_global_environment; // [[GlobalEnv]]
OwnPtr<HostDefined> m_host_defined; // [[HostDefined]]
AK::Array<GC::Ptr<NativeFunction>, to_underlying(Bytecode::Builtin::__Count)> m_builtins;
};
}