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?????????? ????????? - ??????????????? - /usr/include/boost/intrusive/detail/has_member_function_callable_with.hpp

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////////////////////////////////////////////////////////////////////////////// // // (C) Copyright Ion Gaztanaga 2014-2014. 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/container for documentation. // ////////////////////////////////////////////////////////////////////////////// #ifndef BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_CALLABLE_WITH_HPP #define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_CALLABLE_WITH_HPP #ifndef BOOST_CONFIG_HPP # include <boost/config.hpp> #endif //In case no decltype and no variadics, mark that we don't support 0 arg calls due to //compiler ICE in GCC 3.4/4.0/4.1 and, wrong SFINAE for GCC 4.2/4.3/MSVC10/MSVC11 #if defined(BOOST_NO_CXX11_DECLTYPE) && defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) # if defined(BOOST_GCC) && (BOOST_GCC < 40400) # define BOOST_INTRUSIVE_DETAIL_HAS_MEMBER_FUNCTION_CALLABLE_WITH_0_ARGS_UNSUPPORTED # elif defined(BOOST_INTEL) && (BOOST_INTEL < 1200) # define BOOST_INTRUSIVE_DETAIL_HAS_MEMBER_FUNCTION_CALLABLE_WITH_0_ARGS_UNSUPPORTED # elif defined(BOOST_MSVC) && (BOOST_MSVC < 1800) # define BOOST_INTRUSIVE_DETAIL_HAS_MEMBER_FUNCTION_CALLABLE_WITH_0_ARGS_UNSUPPORTED # endif #endif //#if defined(BOOST_NO_CXX11_DECLTYPE) && defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) #include <cstddef> #include <boost/move/utility_core.hpp> #include <boost/move/detail/fwd_macros.hpp> namespace boost_intrusive_hmfcw { typedef char yes_type; struct no_type{ char dummy[2]; }; struct dont_care { dont_care(...); }; #if defined(BOOST_NO_CXX11_DECLTYPE) #if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) template<class T> struct make_dontcare { typedef dont_care type; }; #endif struct private_type { static private_type p; private_type const &operator,(int) const; }; template<typename T> no_type is_private_type(T const &); yes_type is_private_type(private_type const &); #endif //#if defined(BOOST_NO_CXX11_DECLTYPE) #if defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) \|\| defined(BOOST_NO_CXX11_DECLTYPE) template<typename T> struct remove_cv { typedef T type; }; template<typename T> struct remove_cv<const T> { typedef T type; }; template<typename T> struct remove_cv<const volatile T> { typedef T type; }; template<typename T> struct remove_cv<volatile T> { typedef T type; }; #endif } //namespace boost_intrusive_hmfcw { #endif //BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_CALLABLE_WITH_HPP #ifndef BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME #error "You MUST define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME before including this header!" #endif #ifndef BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MIN #error "You MUST define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MIN before including this header!" #endif #ifndef BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MAX #error "You MUST define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MAX before including this header!" #endif #if BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MAX < BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MIN #error "BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MAX value MUST be greater or equal than BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MIN!" #endif #if BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MAX == 0 #define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_COMMA_IF #else #define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_COMMA_IF , #endif #ifndef BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_BEG #error "BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_BEG not defined!" #endif #ifndef BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_END #error "BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_END not defined!" #endif BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_BEG #if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) && !defined(BOOST_NO_CXX11_DECLTYPE) //With decltype and variadic templaes, things are pretty easy template<typename Fun, class ...Args> struct BOOST_MOVE_CAT(has_member_function_callable_with_,BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME) { template<class U> static decltype(boost::move_detail::declval<U>(). BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME(::boost::move_detail::declval<Args>()...) , boost_intrusive_hmfcw::yes_type()) Test(U* f); template<class U> static boost_intrusive_hmfcw::no_type Test(...); static const bool value = sizeof(Test<Fun>((Fun)0)) == sizeof(boost_intrusive_hmfcw::yes_type); }; #else //defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) \|\| defined(BOOST_NO_CXX11_DECLTYPE) ///////////////////////////////////////////////////////// ///////////////////////////////////////////////////////// // // has_member_function_callable_with_impl_XXX // declaration, special case and 0 arg specializaton // ///////////////////////////////////////////////////////// template <typename Type> class BOOST_MOVE_CAT(has_member_function_named_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME) { struct BaseMixin { void BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME() {} //Some compilers require the definition or linker errors happen }; struct Base : public boost_intrusive_hmfcw::remove_cv<Type>::type, public BaseMixin { //Declare the unneeded default constructor as some old compilers wrongly require it with is_convertible Base(){} }; template <typename T, T t> class Helper{}; template <typename U> static boost_intrusive_hmfcw::no_type deduce (U, Helper<void (BaseMixin::)(), &U::BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME> = 0); static boost_intrusive_hmfcw::yes_type deduce(...); public: static const bool value = sizeof(boost_intrusive_hmfcw::yes_type) == sizeof(deduce((Base)0)); }; #if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) ///////////////////////////////////////////////////////// ///////////////////////////////////////////////////////// // // has_member_function_callable_with_impl_XXX for 1 to N arguments // ///////////////////////////////////////////////////////// ///////////////////////////////////////////////////////// //defined(BOOST_NO_CXX11_DECLTYPE) must be true template<class Fun> struct FunWrapTmpl : Fun { using Fun::BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME; FunWrapTmpl(); template<class ...DontCares> boost_intrusive_hmfcw::private_type BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME(DontCares...) const; }; template<typename Fun, bool HasFunc, class ...Args> struct BOOST_MOVE_CAT(has_member_function_callable_with_impl_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME); //No BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME member specialization template<typename Fun, class ...Args> struct BOOST_MOVE_CAT(has_member_function_callable_with_impl_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME) <Fun, false, Args...> { static const bool value = false; }; template<typename Fun, class ...Args> struct BOOST_MOVE_CAT(has_member_function_callable_with_impl_,BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME)<Fun, true, Args...> { static bool const value = (sizeof(boost_intrusive_hmfcw::no_type) == sizeof(boost_intrusive_hmfcw::is_private_type ( (::boost::move_detail::declval < FunWrapTmpl<Fun> >(). BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME(::boost::move_detail::declval<Args>()...), 0) ) ) ); }; template<typename Fun, class ...Args> struct BOOST_MOVE_CAT(has_member_function_callable_with_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME) : public BOOST_MOVE_CAT(has_member_function_callable_with_impl_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME) <Fun , BOOST_MOVE_CAT(has_member_function_named_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME)<Fun>::value , Args...> {}; #else //defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) ///////////////////////////////////////////////////////// ///////////////////////////////////////////////////////// // // has_member_function_callable_with_impl_XXX specializations // ///////////////////////////////////////////////////////// template<typename Fun, bool HasFunc BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_COMMA_IF BOOST_MOVE_CAT(BOOST_MOVE_CLASSDFLT,BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MAX)> struct BOOST_MOVE_CAT(has_member_function_callable_with_impl_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME); //No BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME member specialization template<typename Fun BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_COMMA_IF BOOST_MOVE_CAT(BOOST_MOVE_CLASS,BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MAX)> struct BOOST_MOVE_CAT(has_member_function_callable_with_impl_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME) <Fun, false BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_COMMA_IF BOOST_MOVE_CAT(BOOST_MOVE_TARG,BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MAX)> { static const bool value = false; }; #if BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MIN == 0 //0 arg specialization when BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME is present #if !defined(BOOST_NO_CXX11_DECLTYPE) template<typename Fun> struct BOOST_MOVE_CAT(has_member_function_callable_with_impl_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME)<Fun, true> { template<class U> static decltype(boost::move_detail::declval<U>().BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME() , boost_intrusive_hmfcw::yes_type()) Test(U f); template<class U> static boost_intrusive_hmfcw::no_type Test(...); static const bool value = sizeof(Test<Fun>((Fun)0)) == sizeof(boost_intrusive_hmfcw::yes_type); }; #else //defined(BOOST_NO_CXX11_DECLTYPE) #if !defined(BOOST_INTRUSIVE_DETAIL_HAS_MEMBER_FUNCTION_CALLABLE_WITH_0_ARGS_UNSUPPORTED) template<class F, std::size_t N = sizeof(boost::move_detail::declval<F>().BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME(), 0)> struct BOOST_MOVE_CAT(zeroarg_checker_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME) { boost_intrusive_hmfcw::yes_type dummy[N ? 1 : 2]; }; template<typename Fun> struct BOOST_MOVE_CAT(has_member_function_callable_with_impl_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME)<Fun, true> { template<class U> static BOOST_MOVE_CAT(zeroarg_checker_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME)<U> Test(BOOST_MOVE_CAT(zeroarg_checker_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME)<U>); template<class U> static boost_intrusive_hmfcw::no_type Test(...); static const bool value = sizeof(Test< Fun >(0)) == sizeof(boost_intrusive_hmfcw::yes_type); }; #else //defined(BOOST_INTRUSIVE_DETAIL_HAS_MEMBER_FUNCTION_CALLABLE_WITH_0_ARGS_UNSUPPORTED) template<typename Fun> struct BOOST_MOVE_CAT(has_member_function_callable_with_impl_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME)<Fun, true> { //Some compilers gives ICE when instantiating the 0 arg version so it is not supported. static const bool value = true; }; #endif//!defined(BOOST_INTRUSIVE_DETAIL_HAS_MEMBER_FUNCTION_CALLABLE_WITH_0_ARGS_UNSUPPORTED) #endif //!defined(BOOST_NO_CXX11_DECLTYPE) #endif //#if BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MIN == 0 #if BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MAX > 0 //1 to N arg specialization when BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME is present //Declare some unneeded default constructor as some old compilers wrongly require it with is_convertible #if defined(BOOST_NO_CXX11_DECLTYPE) #define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_ITERATION(N)\ \ template<class Fun>\ struct BOOST_MOVE_CAT(FunWrap##N, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME)\ : Fun\ {\ using Fun::BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME;\ BOOST_MOVE_CAT(FunWrap##N, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME)();\ boost_intrusive_hmfcw::private_type BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME\ (BOOST_MOVE_REPEAT##N(boost_intrusive_hmfcw::dont_care)) const;\ };\ \ template<typename Fun, BOOST_MOVE_CLASS##N>\ struct BOOST_MOVE_CAT(has_member_function_callable_with_impl_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME)<Fun, true, BOOST_MOVE_TARG##N>\ {\ static bool const value = (sizeof(boost_intrusive_hmfcw::no_type) == sizeof(boost_intrusive_hmfcw::is_private_type\ ( (::boost::move_detail::declval\ < BOOST_MOVE_CAT(FunWrap##N, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME)<Fun> >().\ BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME(BOOST_MOVE_DECLVAL##N), 0) )\ )\ );\ };\ // #else #define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_ITERATION(N)\ template<typename Fun, BOOST_MOVE_CLASS##N>\ struct BOOST_MOVE_CAT(has_member_function_callable_with_impl_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME)\ <Fun, true, BOOST_MOVE_TARG##N>\ {\ template<class U>\ static decltype(boost::move_detail::declval<U>().\ BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME(BOOST_MOVE_DECLVAL##N)\ , boost_intrusive_hmfcw::yes_type()) Test(U* f);\ template<class U>\ static boost_intrusive_hmfcw::no_type Test(...);\ static const bool value = sizeof(Test<Fun>((Fun*)0)) == sizeof(boost_intrusive_hmfcw::yes_type);\ };\ // #endif //////////////////////////////////// // Build and invoke BOOST_MOVE_ITERATE_NTOM macrofunction, note that N has to be at least 1 //////////////////////////////////// #if BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MIN == 0 #define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_ITERATE_MIN 1 #else #define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_ITERATE_MIN BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MIN #endif BOOST_MOVE_CAT (BOOST_MOVE_CAT(BOOST_MOVE_CAT(BOOST_MOVE_ITERATE_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_ITERATE_MIN), TO) ,BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MAX) (BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_ITERATION) #undef BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_ITERATION #undef BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_ITERATE_MIN //////////////////////////////////// // End of BOOST_MOVE_ITERATE_NTOM //////////////////////////////////// #endif //BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MAX > 0 ///////////////////////////////////////////////////////// ///////////////////////////////////////////////////////// // // has_member_function_callable_with_FUNC // ///////////////////////////////////////////////////////// ///////////////////////////////////////////////////////// //Otherwise use the preprocessor template<typename Fun BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_COMMA_IF BOOST_MOVE_CAT(BOOST_MOVE_CLASSDFLT,BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MAX)> struct BOOST_MOVE_CAT(has_member_function_callable_with_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME) : public BOOST_MOVE_CAT(has_member_function_callable_with_impl_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME) <Fun , BOOST_MOVE_CAT(has_member_function_named_, BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME)<Fun>::value BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_COMMA_IF BOOST_MOVE_CAT(BOOST_MOVE_TARG,BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MAX)> {}; #endif //defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) #endif BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_END //Undef local macros #undef BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_COMMA_IF //Undef user defined macros #undef BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME #undef BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MIN #undef BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MAX #undef BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_BEG #undef BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_END

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