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Diffstat (limited to 'LibOVR/Src/Kernel/OVR_Nullptr.h')
| -rw-r--r-- | LibOVR/Src/Kernel/OVR_Nullptr.h | 150 |
1 files changed, 0 insertions, 150 deletions
diff --git a/LibOVR/Src/Kernel/OVR_Nullptr.h b/LibOVR/Src/Kernel/OVR_Nullptr.h deleted file mode 100644 index a09f446..0000000 --- a/LibOVR/Src/Kernel/OVR_Nullptr.h +++ /dev/null @@ -1,150 +0,0 @@ -/************************************************************************************ - -PublicHeader: OVR_Kernel.h -Filename : OVR_Nullptr.h -Content : Implements C++11 nullptr for the case that the compiler doesn't. -Created : June 19, 2014 -Notes : - -Copyright : Copyright 2014 Oculus VR, LLC All Rights reserved. - -Licensed under the Oculus VR Rift SDK License Version 3.2 (the "License"); -you may not use the Oculus VR Rift SDK except in compliance with the License, -which is provided at the time of installation or download, or which -otherwise accompanies this software in either electronic or hard copy form. - -You may obtain a copy of the License at - -http://www.oculusvr.com/licenses/LICENSE-3.2 - -Unless required by applicable law or agreed to in writing, the Oculus VR SDK -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. - -************************************************************************************/ - -#ifndef OVR_Nullptr_h -#define OVR_Nullptr_h - -#pragma once - -#include "OVR_Types.h" - - -//----------------------------------------------------------------------------------- -// ***** OVR_HAVE_std_nullptr_t -// -// Identifies if <cstddef.h> includes std::nullptr_t. -// -#if !defined(OVR_HAVE_std_nullptr_t) && defined(OVR_CPP11_ENABLED) - #if defined(OVR_STDLIB_LIBCPP) - #define OVR_HAVE_std_nullptr_t 1 - #elif defined(OVR_STDLIB_LIBSTDCPP) - #if (__GLIBCXX__ >= 20110325) && (__GLIBCXX__ != 20110428) && (__GLIBCXX__ != 20120702) - #define OVR_HAVE_std_nullptr_t 1 - #endif - #elif defined(_MSC_VER) && (_MSC_VER >= 1600) // VS2010+ - #define OVR_HAVE_std_nullptr_t 1 - #elif defined(__clang__) - #define OVR_HAVE_std_nullptr_t 1 - #elif defined(OVR_CPP_GNUC) && (OVR_CC_VERSION >= 406) // GCC 4.6+ - #define OVR_HAVE_std_nullptr_t 1 - #endif -#endif - - -//----------------------------------------------------------------------------------- -// ***** nullptr / std::nullptr_t -// -// Declares and defines nullptr and related types. -// -#if defined(OVR_CPP_NO_NULLPTR) - namespace std - { - class nullptr_t - { - public: - template <typename T> - operator T*() const - { return 0; } - - template <typename C, typename T> - operator T C::*() const - { return 0; } - - #if OVR_CPP_NO_EXPLICIT_CONVERSION_OPERATORS - typedef void* (nullptr_t::*bool_)() const; // 4.12,p1. We can't portably use operator bool(){ return false; } because bool - operator bool_() const // is convertable to int which breaks other required functionality. - { return false; } - #else - operator bool() const - { return false; } - #endif - - private: - void operator&() const; // 5.2.10,p9 - }; - - inline nullptr_t nullptr_get() - { - nullptr_t n = { }; - return n; - } - - #if !defined(nullptr) - #define nullptr nullptr_get() - #endif - - } // namespace std - - - // 5.9,p2 p4 - // 13.6, p13 - template <typename T> - inline bool operator==(T* pT, const std::nullptr_t) - { return pT == 0; } - - template <typename T> - inline bool operator==(const std::nullptr_t, T* pT) - { return pT == 0; } - - template <typename T, typename U> - inline bool operator==(const std::nullptr_t, T U::* pU) - { return pU == 0; } - - template <typename T, typename U> - inline bool operator==(T U::* pTU, const std::nullptr_t) - { return pTU == 0; } - - inline bool operator==(const std::nullptr_t, const std::nullptr_t) - { return true; } - - inline bool operator!=(const std::nullptr_t, const std::nullptr_t) - { return false; } - - inline bool operator<(const std::nullptr_t, const std::nullptr_t) - { return false; } - - inline bool operator<=(const std::nullptr_t, const std::nullptr_t) - { return true; } - - inline bool operator>(const std::nullptr_t, const std::nullptr_t) - { return false; } - - inline bool operator>=(const std::nullptr_t, const std::nullptr_t) - { return true; } - - using std::nullptr_t; - using std::nullptr_get; - -// Some compilers natively support C++11 nullptr but the standard library being used -// doesn't declare std::nullptr_t, in which case we provide one ourselves. -#elif !defined(OVR_HAVE_std_nullptr_t) && !defined(OVR_CPP_NO_DECLTYPE) - namespace std { typedef decltype(nullptr) nullptr_t; } -#endif - - -#endif - |