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Diffstat (limited to 'contrib/src/boost/intrusive/detail/has_member_function_callable_with.hpp')
| -rw-r--r-- | contrib/src/boost/intrusive/detail/has_member_function_callable_with.hpp | 341 |
1 files changed, 341 insertions, 0 deletions
diff --git a/contrib/src/boost/intrusive/detail/has_member_function_callable_with.hpp b/contrib/src/boost/intrusive/detail/has_member_function_callable_with.hpp new file mode 100644 index 0000000..2e73305 --- /dev/null +++ b/contrib/src/boost/intrusive/detail/has_member_function_callable_with.hpp @@ -0,0 +1,341 @@ +////////////////////////////////////////////////////////////////////////////// +// +// (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 + +//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 +#if defined(__GNUC__) && !defined(__clang__) && ((__GNUC__*100 + __GNUC_MINOR__*10) >= 340) && ((__GNUC__*100 + __GNUC_MINOR__*10) <= 430) + #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 +#endif +#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]; }; + +#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 dont_care +{ + dont_care(...); +}; + +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) + +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 + // + ///////////////////////////////////////////////////////// + ///////////////////////////////////////////////////////// + + #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, class ...DontCares> + struct FunWrapTmpl : Fun + { + using Fun::BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME; + boost_intrusive_hmfcw::private_type BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME(DontCares...) const; + }; + + template<typename Fun, class ...Args> + struct BOOST_MOVE_CAT(has_member_function_callable_with_,BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME)<Fun, Args...> + { + typedef FunWrapTmpl<typename boost_intrusive_hmfcw::make_dontcare<Args>::type...> FunWrap; + + static bool const value = (sizeof(boost_intrusive_hmfcw::no_type) == + sizeof(boost_intrusive_hmfcw::is_private_type + ( (::boost::move_detail::declval< FunWrap<Fun> >(). + BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME(::boost::move_detail::declval<Args>()...), 0) ) + ) + ); + }; + #else //defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) + + //Preprocessor must be used to generate specializations instead of variadic templates + + 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)); + }; + + ///////////////////////////////////////////////////////// + ///////////////////////////////////////////////////////// + // + // 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> + {//GCC [3.4-4.3) 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 |