/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- * vim: set ts=8 sts=4 et sw=4 tw=99: * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #ifndef js_UniquePtr_h #define js_UniquePtr_h #include "mozilla/UniquePtr.h" #include "js/Utility.h" namespace js { // Replacement for mozilla::UniquePtr that defaults to js::DefaultDelete. template <typename T, typename D = JS::DeletePolicy<T>> using UniquePtr = mozilla::UniquePtr<T, D>; namespace detail { template<typename T> struct UniqueSelector { typedef UniquePtr<T> SingleObject; }; template<typename T> struct UniqueSelector<T[]> { typedef UniquePtr<T[]> UnknownBound; }; template<typename T, decltype(sizeof(int)) N> struct UniqueSelector<T[N]> { typedef UniquePtr<T[N]> KnownBound; }; } // namespace detail // Replacement for mozilla::MakeUnique that correctly calls js_new and produces // a js::UniquePtr. template<typename T, typename... Args> typename detail::UniqueSelector<T>::SingleObject MakeUnique(Args&&... aArgs) { return UniquePtr<T>(js_new<T>(mozilla::Forward<Args>(aArgs)...)); } template<typename T> typename detail::UniqueSelector<T>::UnknownBound MakeUnique(decltype(sizeof(int)) aN) = delete; template<typename T, typename... Args> typename detail::UniqueSelector<T>::KnownBound MakeUnique(Args&&... aArgs) = delete; } // namespace js #endif /* js_UniquePtr_h */