mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-31 14:15:30 +00:00
6ebd19920f
--HG-- extra : commitid : FwqWNSZ3SKY extra : rebase_source : 75ed67bfadcbdaeb5bf89a57ad6ca9ef75b7f1f0
62 lines
1.5 KiB
C++
62 lines
1.5 KiB
C++
/* -*- 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 */
|