52 lines
1.7 KiB
C++
52 lines
1.7 KiB
C++
/*
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* Copyright (c) 2020-2021, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2021-2022, Linus Groh <linusg@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/Optional.h>
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#include <AK/StringView.h>
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#include <LibJS/Runtime/Object.h>
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#include <LibJS/Runtime/PrivateEnvironment.h>
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#include <LibJS/Runtime/PropertyKey.h>
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namespace JS {
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class FunctionObject : public Object {
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JS_OBJECT(FunctionObject, Object);
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public:
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virtual ~FunctionObject() = default;
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virtual ThrowCompletionOr<void> initialize(Realm&) override { return {}; }
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// Table 7: Additional Essential Internal Methods of Function Objects, https://tc39.es/ecma262/#table-additional-essential-internal-methods-of-function-objects
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virtual ThrowCompletionOr<Value> internal_call(Value this_argument, MarkedVector<Value> arguments_list) = 0;
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virtual ThrowCompletionOr<NonnullGCPtr<Object>> internal_construct([[maybe_unused]] MarkedVector<Value> arguments_list, [[maybe_unused]] FunctionObject& new_target) { VERIFY_NOT_REACHED(); }
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virtual DeprecatedFlyString const& name() const = 0;
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void set_function_name(Variant<PropertyKey, PrivateName> const& name_arg, Optional<StringView> const& prefix = {});
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void set_function_length(double length);
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virtual bool is_strict_mode() const { return false; }
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virtual bool has_constructor() const { return false; }
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// [[Realm]]
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virtual Realm* realm() const { return nullptr; }
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virtual Vector<DeprecatedFlyString> const& local_variables_names() const { VERIFY_NOT_REACHED(); }
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protected:
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explicit FunctionObject(Realm&, Object* prototype);
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explicit FunctionObject(Object& prototype);
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private:
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virtual bool is_function() const override { return true; }
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};
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}
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