//////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Ion Gaztanaga 2005-2013. Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
// See http://www.boost.org/libs/interprocess for documentation.
//
//////////////////////////////////////////////////////////////////////////////

#ifndef BHO_INTRUSIVE_DETAIL_WORKAROUND_HPP
#define BHO_INTRUSIVE_DETAIL_WORKAROUND_HPP

#ifndef BHO_CONFIG_HPP
#  include <asio2/bho/config.hpp>
#endif

#if defined(BHO_HAS_PRAGMA_ONCE)
#  pragma once
#endif

#ifndef BHO_CONFIG_HPP
#include <asio2/bho/config.hpp>
#endif

// MSVC-12 ICEs when variadic templates are enabled.
#if    !defined(BHO_NO_CXX11_VARIADIC_TEMPLATES) && (!defined(BHO_MSVC) || BHO_MSVC >= 1900)
   #define BHO_INTRUSIVE_VARIADIC_TEMPLATES
#endif

#if    !defined(BHO_NO_CXX11_RVALUE_REFERENCES) && !defined(BHO_NO_CXX11_VARIADIC_TEMPLATES)
   #define BHO_INTRUSIVE_PERFECT_FORWARDING
#endif

//Macros for documentation purposes. For code, expands to the argument
#define BHO_INTRUSIVE_IMPDEF(TYPE) TYPE
#define BHO_INTRUSIVE_SEEDOC(TYPE) TYPE
#define BHO_INTRUSIVE_DOC1ST(TYPE1, TYPE2) TYPE2
#define BHO_INTRUSIVE_I ,
#define BHO_INTRUSIVE_DOCIGN(T1) T1

//#define BHO_INTRUSIVE_DISABLE_FORCEINLINE

#if defined(BHO_INTRUSIVE_DISABLE_FORCEINLINE)
   #define BHO_INTRUSIVE_FORCEINLINE inline
#elif defined(BHO_INTRUSIVE_FORCEINLINE_IS_BHO_FORCELINE)
   #define BHO_INTRUSIVE_FORCEINLINE BHO_FORCEINLINE
#elif defined(BHO_MSVC) && (_MSC_VER < 1900 || defined(_DEBUG))
   //"__forceinline" and MSVC seems to have some bugs in old versions and in debug mode
   #define BHO_INTRUSIVE_FORCEINLINE inline
#elif defined(BHO_GCC) && ((__GNUC__ <= 5) || defined(__MINGW32__))
   //Older GCCs have problems with forceinline
   #define BHO_INTRUSIVE_FORCEINLINE inline
#else
   #define BHO_INTRUSIVE_FORCEINLINE BHO_FORCEINLINE
#endif

#if !(defined BHO_NO_EXCEPTIONS)
#    define BHO_INTRUSIVE_TRY { try
#    define BHO_INTRUSIVE_CATCH(x) catch(x)
#    define BHO_INTRUSIVE_RETHROW throw;
#    define BHO_INTRUSIVE_CATCH_END }
#else
#    if !defined(BHO_MSVC) || BHO_MSVC >= 1900
#        define BHO_INTRUSIVE_TRY { if (true)
#        define BHO_INTRUSIVE_CATCH(x) else if (false)
#    else
// warning C4127: conditional expression is constant
#        define BHO_INTRUSIVE_TRY { \
             __pragma(warning(push)) \
             __pragma(warning(disable: 4127)) \
             if (true) \
             __pragma(warning(pop))
#        define BHO_INTRUSIVE_CATCH(x) else \
             __pragma(warning(push)) \
             __pragma(warning(disable: 4127)) \
             if (false) \
             __pragma(warning(pop))
#    endif
#    define BHO_INTRUSIVE_RETHROW
#    define BHO_INTRUSIVE_CATCH_END }
#endif

#endif   //#ifndef BHO_INTRUSIVE_DETAIL_WORKAROUND_HPP