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01e9eee7dd
Comparing two Values has to call the generic same_value() helper, and we can avoid this by simply using a stronger type for built-in native function handlers.
80 lines
2.6 KiB
C++
80 lines
2.6 KiB
C++
/*
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* Copyright (c) 2021-2022, Linus Groh <linusg@serenityos.org>
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* Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Badge.h>
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#include <AK/OwnPtr.h>
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#include <AK/StringView.h>
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#include <AK/Weakable.h>
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#include <LibJS/Bytecode/Builtins.h>
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#include <LibJS/Heap/Cell.h>
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#include <LibJS/Heap/CellAllocator.h>
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#include <LibJS/Runtime/Intrinsics.h>
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#include <LibJS/Runtime/Value.h>
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namespace JS {
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// 9.3 Realms, https://tc39.es/ecma262/#realm-record
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class Realm final
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: public Cell
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, public Weakable<Realm> {
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JS_CELL(Realm, Cell);
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JS_DECLARE_ALLOCATOR(Realm);
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public:
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struct HostDefined {
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virtual ~HostDefined() = default;
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virtual void visit_edges(Cell::Visitor&) { }
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};
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static ThrowCompletionOr<NonnullGCPtr<Realm>> create(VM&);
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static ThrowCompletionOr<NonnullOwnPtr<ExecutionContext>> initialize_host_defined_realm(VM&, Function<Object*(Realm&)> create_global_object, Function<Object*(Realm&)> create_global_this_value);
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void set_global_object(Object* global_object, Object* this_value);
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[[nodiscard]] Object& global_object() const { return *m_global_object; }
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[[nodiscard]] GlobalEnvironment& global_environment() const { return *m_global_environment; }
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[[nodiscard]] Intrinsics const& intrinsics() const { return *m_intrinsics; }
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[[nodiscard]] Intrinsics& intrinsics() { return *m_intrinsics; }
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void set_intrinsics(Badge<Intrinsics>, Intrinsics& intrinsics)
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{
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VERIFY(!m_intrinsics);
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m_intrinsics = &intrinsics;
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}
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HostDefined* host_defined() { return m_host_defined; }
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void set_host_defined(OwnPtr<HostDefined> host_defined) { m_host_defined = move(host_defined); }
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void define_builtin(Bytecode::Builtin builtin, NonnullGCPtr<NativeFunction> value)
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{
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m_builtins[to_underlying(builtin)] = value;
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}
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NonnullGCPtr<NativeFunction> get_builtin_value(Bytecode::Builtin builtin)
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{
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return *m_builtins[to_underlying(builtin)];
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}
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static FlatPtr global_environment_offset() { return OFFSET_OF(Realm, m_global_environment); }
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static FlatPtr builtins_offset() { return OFFSET_OF(Realm, m_builtins); }
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private:
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Realm() = default;
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virtual void visit_edges(Visitor&) override;
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GCPtr<Intrinsics> m_intrinsics; // [[Intrinsics]]
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GCPtr<Object> m_global_object; // [[GlobalObject]]
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GCPtr<GlobalEnvironment> m_global_environment; // [[GlobalEnv]]
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OwnPtr<HostDefined> m_host_defined; // [[HostDefined]]
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AK::Array<GCPtr<NativeFunction>, to_underlying(Bytecode::Builtin::__Count)> m_builtins;
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};
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}
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