ladybird/Libraries/LibJS/Runtime/BoundFunction.h
Andreas Kling 9290939200 LibJS: Remove FunctionObject::fast_is<T>() deletion
This broke fast is<ECMAScriptFunctionObject> and is<NativeFunction>.
By moving them up to Object, we get fast checks for these types again.

Regressed in aec20e032b.
2025-12-20 09:13:19 -06:00

51 lines
2 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);
GC_DECLARE_ALLOCATOR(BoundFunction);
public:
static ThrowCompletionOr<GC::Ref<BoundFunction>> create(Realm&, FunctionObject& target_function, Value bound_this, Vector<Value> bound_arguments);
virtual ~BoundFunction() override = default;
virtual ThrowCompletionOr<Value> internal_call(ExecutionContext&, Value this_argument) override;
virtual ThrowCompletionOr<GC::Ref<Object>> internal_construct(ExecutionContext& arguments_list, FunctionObject& new_target) override;
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; }
virtual Utf16String name_for_call_stack() const override;
private:
BoundFunction(Realm&, FunctionObject& target_function, Value bound_this, Vector<Value> bound_arguments, Object* prototype);
ThrowCompletionOr<void> get_stack_frame_size(size_t& registers_and_constants_and_locals_count, size_t& argument_count) override;
virtual void visit_edges(Visitor&) override;
virtual bool is_bound_function() const final { return true; }
GC::Ptr<FunctionObject> m_bound_target_function; // [[BoundTargetFunction]]
Value m_bound_this; // [[BoundThis]]
Vector<Value> m_bound_arguments; // [[BoundArguments]]
};
template<>
inline bool Object::fast_is<BoundFunction>() const { return is_bound_function(); }
}