Function create_getter_invoker

gi/object.cpp:1210–1248

}

GJS_JSAPI_RETURN_CONVENTION
static JSNative create_getter_invoker(JSContext* cx, GParamSpec* pspec,
                                      const GI::FunctionInfo& getter,
                                      const GI::TypeInfo& type,
                                      JS::MutableHandleValue wrapper_out) {
    JS::RootedObject wrapper{cx};

    GITransfer transfer = getter.caller_owns();
    JSNative js_getter = get_getter_for_type(type, transfer);

    Gjs::GErrorResult<> init_result{Ok{}};
    if (js_getter) {
        wrapper = new_object_with_stashed_pointer<ObjectPropertyPspecCaller>(
            cx, pspec);
        if (!wrapper)
            return nullptr;
        auto* caller =
            JS::ObjectGetStashedPointer<ObjectPropertyPspecCaller>(cx, wrapper);
        init_result = caller->init(getter);
    } else {
        wrapper = new_object_with_stashed_pointer<ObjectPropertyInfoCaller>(
            cx, getter);
        if (!wrapper)
            return nullptr;
        js_getter = &ObjectBase::prop_getter_func;
        auto* caller =
            JS::ObjectGetStashedPointer<ObjectPropertyInfoCaller>(cx, wrapper);
        init_result = caller->init();
    }

    if (init_result.isErr()) {
        gjs_throw(cx, "Impossible to create invoker for %s: %s", getter.name(),
                  init_result.inspectErr()->message);
        return nullptr;
    }

    wrapper_out.setObject(*wrapper);
    return js_getter;
}

// We cannot use g_base_info_equal because the GITypeInfo of properties is
// not marked as a pointer in GIR files, while it is marked as a pointer in the