ladybird/Userland/Libraries/LibJS/Runtime/BoundFunction.h
Andreas Kling ece961f882 LibJS: Pass call/construct argument lists as ReadonlySpan<Value>
(Instead of MarkedVector<Value>.) This is a step towards not storing
argument lists in MarkedVector<Value> at all. Note that they still end
up in MarkedVectors since that's what ExecutionContext has.
2023-11-29 09:48:18 +01:00

46 lines
1.8 KiB
C++

/*
* Copyright (c) 2020, Jack Karamanian <karamanian.jack@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibJS/Runtime/Completion.h>
#include <LibJS/Runtime/FunctionObject.h>
namespace JS {
class BoundFunction final : public FunctionObject {
JS_OBJECT(BoundFunction, FunctionObject);
JS_DECLARE_ALLOCATOR(BoundFunction);
public:
static ThrowCompletionOr<NonnullGCPtr<BoundFunction>> create(Realm&, FunctionObject& target_function, Value bound_this, Vector<Value> bound_arguments);
virtual ~BoundFunction() override = default;
virtual ThrowCompletionOr<Value> internal_call(Value this_argument, ReadonlySpan<Value> arguments_list) override;
virtual ThrowCompletionOr<NonnullGCPtr<Object>> internal_construct(ReadonlySpan<Value> arguments_list, FunctionObject& new_target) override;
virtual DeprecatedFlyString const& name() const override { return m_name; }
virtual bool is_strict_mode() const override { return m_bound_target_function->is_strict_mode(); }
virtual bool has_constructor() const override { return m_bound_target_function->has_constructor(); }
FunctionObject& bound_target_function() const { return *m_bound_target_function; }
Value bound_this() const { return m_bound_this; }
Vector<Value> const& bound_arguments() const { return m_bound_arguments; }
private:
BoundFunction(Realm&, FunctionObject& target_function, Value bound_this, Vector<Value> bound_arguments, Object* prototype);
virtual void visit_edges(Visitor&) override;
GCPtr<FunctionObject> m_bound_target_function; // [[BoundTargetFunction]]
Value m_bound_this; // [[BoundThis]]
Vector<Value> m_bound_arguments; // [[BoundArguments]]
DeprecatedFlyString m_name;
};
}