jcs.org
Serenity Operating System
1/*
2 * Copyright (c) 2020, Jack Karamanian <karamanian.jack@gmail.com>
3 *
4 * SPDX-License-Identifier: BSD-2-Clause
5 */
6
7#pragma once
8
9#include <LibJS/Runtime/Completion.h>
10#include <LibJS/Runtime/FunctionObject.h>
11
12namespace JS {
13
14class BoundFunction final : public FunctionObject {
15 JS_OBJECT(BoundFunction, FunctionObject);
16
17public:
18 static ThrowCompletionOr<NonnullGCPtr<BoundFunction>> create(Realm&, FunctionObject& target_function, Value bound_this, Vector<Value> bound_arguments);
19
20 virtual ~BoundFunction() override = default;
21
22 virtual ThrowCompletionOr<Value> internal_call(Value this_argument, MarkedVector<Value> arguments_list) override;
23 virtual ThrowCompletionOr<NonnullGCPtr<Object>> internal_construct(MarkedVector<Value> arguments_list, FunctionObject& new_target) override;
24
25 virtual DeprecatedFlyString const& name() const override { return m_name; }
26 virtual bool is_strict_mode() const override { return m_bound_target_function->is_strict_mode(); }
27 virtual bool has_constructor() const override { return m_bound_target_function->has_constructor(); }
28
29 FunctionObject& bound_target_function() const { return *m_bound_target_function; }
30 Value bound_this() const { return m_bound_this; }
31 Vector<Value> const& bound_arguments() const { return m_bound_arguments; }
32
33private:
34 BoundFunction(Realm&, FunctionObject& target_function, Value bound_this, Vector<Value> bound_arguments, Object* prototype);
35
36 virtual void visit_edges(Visitor&) override;
37
38 FunctionObject* m_bound_target_function { nullptr }; // [[BoundTargetFunction]]
39 Value m_bound_this; // [[BoundThis]]
40 Vector<Value> m_bound_arguments; // [[BoundArguments]]
41
42 DeprecatedFlyString m_name;
43};
44
45}