Compiler.h

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// clang-format off
// Copyright Onix Solutions Limited [OnixS]. All rights reserved.
//
// This software owned by Onix Solutions Limited [OnixS] and is
// protected by copyright law and international copyright treaties.
//
// Access to and use of the software is governed by the terms of the applicable
// OnixS Software Services Agreement (the Agreement) and Customer end user license
// agreements granting a non-assignable, non-transferable and non-exclusive license
// to use the software for it's own data processing purposes under the terms defined
// in the Agreement.
//
// Except as otherwise granted within the terms of the Agreement, copying or
// reproduction of any part of this source code or associated reference material
// to any other location for further reproduction or redistribution, and any
// amendments to this copyright notice, are expressly prohibited.
//
// Any reproduction or redistribution for sale or hiring of the Software not in
// accordance with the terms of the Agreement is a violation of copyright law.
//

#pragma once

#if !(defined(ONIXS_CMEMDH_DOXYGEN) && ONIXS_CMEMDH_DOXYGEN)

#include <OnixS/CME/MDH/CompilerDetection.h>

#  if defined(ONIXS_CMEMDH_COMPILER_CXX_NOEXCEPT) && ONIXS_CMEMDH_COMPILER_CXX_NOEXCEPT
#    define ONIXS_CMEMDH_NOTHROW noexcept
#  else
#    define ONIXS_CMEMDH_NOTHROW throw()
# endif

#  if defined(ONIXS_CMEMDH_COMPILER_CXX_NOEXCEPT) && ONIXS_CMEMDH_COMPILER_CXX_NOEXCEPT
#    define ONIXS_CMEMDH_CHECK_NOTHROW(equation) ONIXS_CMEMDH_STATIC_ASSERT(noexcept((equation)))
#  else
#    define ONIXS_CMEMDH_CHECK_NOTHROW(equation) ONIXS_CMEMDH_STATIC_ASSERT((true))
# endif

#  if defined(ONIXS_CMEMDH_COMPILER_CXX_EXPLICIT_CONVERSIONS) && ONIXS_CMEMDH_COMPILER_CXX_EXPLICIT_CONVERSIONS
#   define ONIXS_CMEMDH_EXPLICIT explicit
#else
#   define ONIXS_CMEMDH_EXPLICIT
#endif

#if (__cplusplus >= 201103L) || (defined(_MSVC_LANG) && _MSVC_LANG >= 201103L)
#  define ONIXS_CMEMDH_CXX11
#endif

#if (__cplusplus >= 201703L) || (defined(_MSVC_LANG) && _MSVC_LANG >= 201703L)
#  define ONIXS_CMEMDH_CXX17
#endif

#  if defined(ONIXS_CMEMDH_COMPILER_CXX_CONSTEXPR) && ONIXS_CMEMDH_COMPILER_CXX_CONSTEXPR
#   define ONIXS_CMEMDH_CONST_OR_CONSTEXPR constexpr
#else
#   define ONIXS_CMEMDH_CONST_OR_CONSTEXPR const
#endif

#if defined(__GNUC__)
#  define ONIXS_CMEMDH_CHECK_EXPECT(exp,c) (__builtin_expect((exp), (c)))
#else
#  define ONIXS_CMEMDH_CHECK_EXPECT(exp,c) ((exp))
#endif

#if !defined(ONIXS_CMEMDH_NORETURN)
#  if defined(_MSC_VER)
#    define ONIXS_CMEMDH_NORETURN __declspec(noreturn)
#  elif defined(__GNUC__)
#    define ONIXS_CMEMDH_NORETURN __attribute__ ((__noreturn__))
#  elif defined(__has_cpp_attribute)
#    if __has_cpp_attribute(noreturn)
#      define ONIXS_CMEMDH_NORETURN [[noreturn]]
#    endif
#  endif
#endif

#if !defined(ONIXS_CMEMDH_NORETURN)
#  define ONIXS_CMEMDH_NORETURN
#endif

#if !defined(ONIXS_CMEMDH_NODISCARD)
#  if defined(_MSC_VER)
#    define ONIXS_CMEMDH_NODISCARD _Check_return_
#  elif defined(__GNUC__)
#    define ONIXS_CMEMDH_NODISCARD __attribute__((warn_unused_result))
#  elif defined(__has_cpp_attribute)
#    if __has_cpp_attribute(nodiscard)
#      define ONIXS_CMEMDH_NODISCARD [[nodiscard]]
#    endif
#  endif
#endif

#if !defined(ONIXS_CMEMDH_NODISCARD)
#  define ONIXS_CMEMDH_NODISCARD
#endif

#if defined(__GNUC__)
# define ONIXS_CMEMDH_UNUSED __attribute__((__unused__))
#else
# define ONIXS_CMEMDH_UNUSED
#endif

#if defined(__GNUC__)
#   define ONIXS_CMEMDH_HOTPATH __attribute__((hot))
#   define ONIXS_CMEMDH_COLDPATH __attribute__((cold, noinline))
#else
#   define ONIXS_CMEMDH_COLDPATH
#   define ONIXS_CMEMDH_HOTPATH
#endif


#if defined(__GNUC__)
#   define ONIXS_CMEMDH_LIKELY(cond)   (__builtin_expect((static_cast<bool>((cond))), true))
#   define ONIXS_CMEMDH_UNLIKELY(cond) (__builtin_expect((static_cast<bool>((cond))), false))
#else
#   if defined(__has_cpp_attribute)
#       if __has_cpp_attribute(unlikely)
#          define ONIXS_CMEMDH_UNLIKELY(cond) ((cond)) [[unlikely]]
#          define ONIXS_CMEMDH_LIKELY(cond)   ((cond)) [[likely]]
#       endif
#   endif
#endif

#if !defined(ONIXS_CMEMDH_LIKELY)
#   define ONIXS_CMEMDH_LIKELY(cond)   ((cond))
#endif

#if !defined(ONIXS_CMEMDH_UNLIKELY)
#   define ONIXS_CMEMDH_UNLIKELY(cond)   ((cond))
#endif

#else

#define ONIXS_CMEMDH_EXPORTED
#define ONIXS_CMEMDH_LTWT_EXPORTED
#define ONIXS_CMEMDH_LTWT

#define ONIXS_CMEMDH_NOTHROW noexcept
#define ONIXS_CMEMDH_EXPLICIT explicit
#define ONIXS_CMEMDH_CONST_OR_CONSTEXPR constexpr
#define ONIXS_CMEMDH_CONSTEXPR constexpr
#define ONIXS_CMEMDH_OVERRIDE override
#define ONIXS_CMEMDH_FINAL final
#define ONIXS_CMEMDH_NULLPTR nullptr

#endif