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/*
* Copyright (c) 2020, Matthew Olsson <mattco@serenityos.org>
* Copyright (c) 2020, Linus Groh <linusg@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibJS/Runtime/FunctionObject.h>
#include <LibJS/Runtime/VM.h>
namespace JS {
class Accessor final : public Cell {
public:
static Accessor* create(VM& vm, FunctionObject* getter, FunctionObject* setter)
{
return vm.heap().allocate_without_global_object<Accessor>(getter, setter);
}
Accessor(FunctionObject* getter, FunctionObject* setter)
: m_getter(getter)
, m_setter(setter)
{
}
FunctionObject* getter() const { return m_getter; }
void set_getter(FunctionObject* getter) { m_getter = getter; }
FunctionObject* setter() const { return m_setter; }
void set_setter(FunctionObject* setter) { m_setter = setter; }
Value call_getter(Value this_value)
{
if (!m_getter)
return js_undefined();
return TRY_OR_DISCARD(vm().call(*m_getter, this_value));
}
void call_setter(Value this_value, Value setter_value)
{
if (!m_setter)
return;
// FIXME: It might be nice if we had a way to communicate to our caller if an exception happened after this.
[[maybe_unused]] auto rc = vm().call(*m_setter, this_value, setter_value);
}
void visit_edges(Cell::Visitor& visitor) override
{
visitor.visit(m_getter);
visitor.visit(m_setter);
}
private:
const char* class_name() const override { return "Accessor"; };
FunctionObject* m_getter { nullptr };
FunctionObject* m_setter { nullptr };
};
}
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