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Diffstat (limited to 'src/debug/c++11.h')
| -rw-r--r-- | src/debug/c++11.h | 340 |
1 files changed, 340 insertions, 0 deletions
diff --git a/src/debug/c++11.h b/src/debug/c++11.h new file mode 100644 index 000000000..8d8e2d8af --- /dev/null +++ b/src/debug/c++11.h @@ -0,0 +1,340 @@ +// -*- Mode: C++; tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- +// vim:tabstop=4:shiftwidth=4:expandtab: + +/* + * Copyright (C) 2013-2017 Wu Yongwei <adah at users dot sourceforge dot net> + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any + * damages arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute + * it freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must + * not claim that you wrote the original software. If you use this + * software in a product, an acknowledgement in the product + * documentation would be appreciated but is not required. + * 2. Altered source versions must be plainly marked as such, and must + * not be misrepresented as being the original software. + * 3. This notice may not be removed or altered from any source + * distribution. + * + * This file is part of Stones of Nvwa: + * http://sourceforge.net/projects/nvwa + * + */ + +/** + * @file c++11.h + * + * C++11 feature detection macros and workarounds. + * + * @date 2017-04-03 + */ + +#ifndef NVWA_CXX11_H +#define NVWA_CXX11_H + +// Only Clang provides these macros; they need to be defined as follows +// to get a valid expression in preprocessing by other compilers. +#ifndef __has_extension +#define __has_extension(x) 0 +#endif +#ifndef __has_feature +#define __has_feature(x) 0 +#endif +#ifndef __has_include +#define __has_include(x) 0 +#endif + +// Detect whether C++11 mode is on (for GCC and Clang). MSVC does not +// have a special C++11 mode, so it is always on for Visual C++ 2010 and +// later. +#if __cplusplus >= 201103L || \ + defined(__GXX_EXPERIMENTAL_CXX0X__) || \ + (defined(_MSC_VER) && _MSC_VER >= 1600) +#define NVWA_CXX11_MODE 1 +#else +#define NVWA_CXX11_MODE 0 +#endif + + +/* Feature checks */ + +#if !defined(HAVE_CXX11_ATOMIC) +#if NVWA_CXX11_MODE && \ + ((__has_include(<atomic>) && !defined(__MINGW32__)) || \ + (defined(_MSC_VER) && _MSC_VER >= 1700) || \ + (((defined(__GNUC__) && __GNUC__ * 100 + __GNUC_MINOR__ >= 405) || \ + defined(__clang__)) && \ + (!defined(__MINGW32__) || defined(_POSIX_THREADS)))) +// Note: MinGW GCC, unless built with POSIX threads (as in +// MinGW-builds), does not support atomics as of 4.8. +#define HAVE_CXX11_ATOMIC 1 +#else +#define HAVE_CXX11_ATOMIC 0 +#endif +#endif + +#if !defined(HAVE_CXX11_AUTO_TYPE) +#if NVWA_CXX11_MODE && \ + (__has_feature(cxx_auto_type) || \ + (defined(_MSC_VER) && _MSC_VER >= 1600) || \ + (defined(__GNUC__) && __GNUC__ * 100 + __GNUC_MINOR__ >= 404)) +#define HAVE_CXX11_AUTO_TYPE 1 +#else +#define HAVE_CXX11_AUTO_TYPE 0 +#endif +#endif + +#if !defined(HAVE_CXX11_DELETED_FUNCTION) +#if NVWA_CXX11_MODE && \ + (__has_feature(cxx_deleted_functions) || \ + (defined(_MSC_VER) && _MSC_VER >= 1800) || \ + (defined(__GNUC__) && __GNUC__ * 100 + __GNUC_MINOR__ >= 404)) +#define HAVE_CXX11_DELETED_FUNCTION 1 +#else +#define HAVE_CXX11_DELETED_FUNCTION 0 +#endif +#endif + +#if !defined(HAVE_CXX11_EXPLICIT_CONVERSION) +#if NVWA_CXX11_MODE && \ + (__has_feature(cxx_explicit_conversions) || \ + (defined(_MSC_VER) && _MSC_VER >= 1900) || \ + (defined(__GNUC__) && __GNUC__ * 100 + __GNUC_MINOR__ >= 405)) +#define HAVE_CXX11_EXPLICIT_CONVERSION 1 +#else +#define HAVE_CXX11_EXPLICIT_CONVERSION 0 +#endif +#endif + +#if !defined(HAVE_CXX11_FINAL) +#if NVWA_CXX11_MODE && \ + (__has_feature(cxx_override_control) || \ + (defined(_MSC_VER) && _MSC_VER >= 1700) || \ + (defined(__GNUC__) && __GNUC__ * 100 + __GNUC_MINOR__ >= 407)) +#define HAVE_CXX11_FINAL 1 +#else +#define HAVE_CXX11_FINAL 0 +#endif +#endif + +#if !defined(HAVE_CXX11_FUTURE) +#if NVWA_CXX11_MODE && \ + ((__has_include(<future>) && !defined(__MINGW32__)) || \ + (defined(_MSC_VER) && _MSC_VER >= 1700) || \ + (((defined(__GNUC__) && __GNUC__ * 100 + __GNUC_MINOR__ >= 405) || \ + defined(__clang__)) && \ + (!defined(__MINGW32__) || defined(_POSIX_THREADS)))) +// Note: MinGW GCC, unless built with POSIX threads (as in +// MinGW-builds), does not support futures as of 4.8. +#define HAVE_CXX11_FUTURE 1 +#else +#define HAVE_CXX11_FUTURE 0 +#endif +#endif + +#if !defined(HAVE_CXX11_GENERALIZED_INITIALIZER) +#if NVWA_CXX11_MODE && \ + (__has_feature(cxx_generalized_initializers) || \ + (defined(_MSC_VER) && _MSC_VER >= 1800) || \ + (defined(__GNUC__) && __GNUC__ * 100 + __GNUC_MINOR__ >= 404)) +#define HAVE_CXX11_GENERALIZED_INITIALIZER 1 +#else +#define HAVE_CXX11_GENERALIZED_INITIALIZER 0 +#endif +#endif + +#if !defined(HAVE_CXX11_LAMBDA) +#if NVWA_CXX11_MODE && \ + (__has_feature(cxx_lambdas) || \ + (defined(_MSC_VER) && _MSC_VER >= 1600) || \ + (defined(__GNUC__) && __GNUC__ * 100 + __GNUC_MINOR__ >= 405)) +#define HAVE_CXX11_LAMBDA 1 +#else +#define HAVE_CXX11_LAMBDA 0 +#endif +#endif + +#if !defined(HAVE_CXX11_MUTEX) +#if NVWA_CXX11_MODE && \ + ((__has_include(<mutex>) && !defined(__MINGW32__)) || \ + (defined(_MSC_VER) && _MSC_VER >= 1700) || \ + (((defined(__GNUC__) && __GNUC__ * 100 + __GNUC_MINOR__ >= 403) || \ + defined(__clang__)) && \ + (!defined(__MINGW32__) || defined(_POSIX_THREADS)))) +// Note: MinGW GCC, unless built with POSIX threads (as in +// MinGW-builds), does not support std::mutex as of 4.8. +#define HAVE_CXX11_MUTEX 1 +#else +#define HAVE_CXX11_MUTEX 0 +#endif +#endif + +#if !defined(HAVE_CXX11_NOEXCEPT) +#if NVWA_CXX11_MODE && \ + (__has_feature(cxx_noexcept) || \ + (defined(_MSC_VER) && _MSC_VER >= 1900) || \ + (defined(__GNUC__) && __GNUC__ * 100 + __GNUC_MINOR__ >= 406)) +#define HAVE_CXX11_NOEXCEPT 1 +#else +#define HAVE_CXX11_NOEXCEPT 0 +#endif +#endif + +#if !defined(HAVE_CXX11_NULLPTR) +#if NVWA_CXX11_MODE && \ + (__has_feature(cxx_nullptr) || \ + (defined(_MSC_VER) && _MSC_VER >= 1600) || \ + (defined(__GNUC__) && __GNUC__ * 100 + __GNUC_MINOR__ >= 406)) +#define HAVE_CXX11_NULLPTR 1 +#else +#define HAVE_CXX11_NULLPTR 0 +#endif +#endif + +#if !defined(HAVE_CXX11_OVERRIDE) +#if NVWA_CXX11_MODE && \ + (__has_feature(cxx_override_control) || \ + (defined(_MSC_VER) && _MSC_VER >= 1600) || \ + (defined(__GNUC__) && __GNUC__ * 100 + __GNUC_MINOR__ >= 407)) +#define HAVE_CXX11_OVERRIDE 1 +#else +#define HAVE_CXX11_OVERRIDE 0 +#endif +#endif + +#if !defined(HAVE_CXX11_RANGE_FOR) +#if NVWA_CXX11_MODE && \ + (__has_feature(cxx_range_for) || \ + (defined(_MSC_VER) && _MSC_VER >= 1700) || \ + (defined(__GNUC__) && __GNUC__ * 100 + __GNUC_MINOR__ >= 406)) +#define HAVE_CXX11_RANGE_FOR 1 +#else +#define HAVE_CXX11_RANGE_FOR 0 +#endif +#endif + +#if !defined(HAVE_CXX11_RVALUE_REFERENCE) +#if NVWA_CXX11_MODE && \ + (__has_feature(cxx_rvalue_references) || \ + (defined(_MSC_VER) && _MSC_VER >= 1600) || \ + (defined(__GNUC__) && __GNUC__ * 100 + __GNUC_MINOR__ >= 405)) +#define HAVE_CXX11_RVALUE_REFERENCE 1 +#else +#define HAVE_CXX11_RVALUE_REFERENCE 0 +#endif +#endif + +#if !defined(HAVE_CXX11_STATIC_ASSERT) +#if NVWA_CXX11_MODE && \ + (__has_feature(cxx_static_assert) || \ + (defined(_MSC_VER) && _MSC_VER >= 1600) || \ + (defined(__GNUC__) && __GNUC__ * 100 + __GNUC_MINOR__ >= 403)) +#define HAVE_CXX11_STATIC_ASSERT 1 +#else +#define HAVE_CXX11_STATIC_ASSERT 0 +#endif +#endif + +#if !defined(HAVE_CXX11_THREAD) +#if NVWA_CXX11_MODE && \ + ((__has_include(<thread>) && !defined(__MINGW32__)) || \ + (defined(_MSC_VER) && _MSC_VER >= 1700) || \ + (((defined(__GNUC__) && __GNUC__ * 100 + __GNUC_MINOR__ >= 404) || \ + defined(__clang__)) && \ + (!defined(__MINGW32__) || defined(_POSIX_THREADS)))) +// Note: MinGW GCC, unless built with POSIX threads (as in +// MinGW-builds), does not support std::thread as of 4.8. +#define HAVE_CXX11_THREAD 1 +#else +#define HAVE_CXX11_THREAD 0 +#endif +#endif + +#if !defined(HAVE_CXX11_THREAD_LOCAL) +#if NVWA_CXX11_MODE && \ + (__has_feature(cxx_thread_local) || \ + (defined(_MSC_VER) && _MSC_VER >= 1900) || \ + (defined(__GNUC__) && __GNUC__ * 100 + __GNUC_MINOR__ >= 408)) +#define HAVE_CXX11_THREAD_LOCAL 1 +#else +#define HAVE_CXX11_THREAD_LOCAL 0 +#endif +#endif + +#if !defined(HAVE_CXX11_TYPE_TRAITS) +#if NVWA_CXX11_MODE && \ + (__has_include(<type_traits>) || \ + (defined(_MSC_VER) && _MSC_VER >= 1600) || \ + (defined(__GNUC__) && __GNUC__ * 100 + __GNUC_MINOR__ >= 403)) +#define HAVE_CXX11_TYPE_TRAITS 1 +#else +#define HAVE_CXX11_TYPE_TRAITS 0 +#endif +#endif + +#if !defined(HAVE_CXX11_UNICODE_LITERAL) +#if NVWA_CXX11_MODE && \ + (__has_feature(cxx_unicode_literals) || \ + (defined(_MSC_VER) && _MSC_VER >= 1900) || \ + (defined(__GNUC__) && __GNUC__ * 100 + __GNUC_MINOR__ >= 405)) +#define HAVE_CXX11_UNICODE_LITERAL 1 +#else +#define HAVE_CXX11_UNICODE_LITERAL 0 +#endif +#endif + + +/* Workarounds */ + +#if HAVE_CXX11_DELETED_FUNCTION +#define _DELETED = delete +#else +#define _DELETED +#endif + +#if HAVE_CXX11_FINAL +#define _FINAL final +#else +#define _FINAL +#endif + +#if HAVE_CXX11_OVERRIDE +#define _OVERRIDE override +#else +#define _OVERRIDE +#endif + +#if HAVE_CXX11_NOEXCEPT +#define _NOEXCEPT noexcept +#define _NOEXCEPT_(x) noexcept(x) +#else +#ifdef _MSC_VER +#define _NOEXCEPT throw () +#else +#define _NOEXCEPT throw() +#endif +#define _NOEXCEPT_(x) +#endif + +#if HAVE_CXX11_NULLPTR +#define _NULLPTR nullptr +#else +#define _NULLPTR NULL +#endif + +#if HAVE_CXX11_THREAD_LOCAL +#define _THREAD_LOCAL thread_local +#else +#ifdef _MSC_VER +#define _THREAD_LOCAL __declspec(thread) +#else +#define _THREAD_LOCAL __thread +#endif +#endif + +#endif // NVWA_CXX11_H |