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libraries/source/spidermonkey/include-win32-debug/js/UniquePtr.h
- This file was added.
/* -*- 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 */ |
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