📄 gen_function_type_impl_spec.inl
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// (C) Copyright Tobias Schwinger//// Use modification and distribution are subject to the boost Software License,// Version 1.0. (See http://www.boost.org/LICENSE_1_0.txt).#ifndef BOOST_PP_IS_ITERATING//------------------------------------------------------------------------------# include <boost/preprocessor/cat.hpp># include <boost/preprocessor/arithmetic/inc.hpp># include <boost/preprocessor/arithmetic/dec.hpp># include <boost/preprocessor/punctuation/comma.hpp># include <boost/preprocessor/facilities/identity.hpp># include <boost/preprocessor/iteration/local.hpp># include <boost/preprocessor/iteration/iterate.hpp># include <boost/preprocessor/repetition/enum_trailing_params.hpp>//------------------------------------------------------------------------------namespace boost { namespace function_types { namespace detail {// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -template<typename S, std::size_t N> struct function_type_impl<no_function,S, N> { typedef S type; };// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -# define BOOST_PP_FILENAME_1 BOOST_FT_FRAGMENT(function_type_impl_spec,arity)# define BOOST_PP_ITERATION_LIMITS (0,BOOST_PP_INC(BOOST_FT_MAX_ARITY))# include BOOST_PP_ITERATE()// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -} } } // namespace ::boost::function_types::detail//------------------------------------------------------------------------------#elif !defined(i) // arity//------------------------------------------------------------------------------# define i BOOST_PP_FRAME_ITERATION(1)# define ii BOOST_PP_INC(i)// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -# define BOOST_FT_CLIENT \ BOOST_FT_FRAGMENT(function_type_impl_spec,specialization) # if ii < 2# define BOOST_FT_FOR BOOST_FT_PLAIN_FUNC# else# define BOOST_FT_FOR BOOST_FT_PLAIN_FUNC BOOST_FT_MEM_FUN_PTRS# endif# define BOOST_FT_FORCE_DEF_CC# include BOOST_FT_UNROLL()// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -# undef ii# undef i//------------------------------------------------------------------------------#else // specialization//------------------------------------------------------------------------------# define s(i) BOOST_PP_CAT(itr,BOOST_PP_IF(i,BOOST_PP_DEC(i),R))// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -template<typename S>struct function_type_impl<n, S, ii>{ template<typename R BOOST_PP_ENUM_TRAILING_PARAMS(i,typename T)> struct synthesize { typedef t(i,BOOST_PP_IDENTITY(type)); };// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - // Create sub type iterators# define BOOST_PP_LOCAL_LIMITS (0,i)# define BOOST_PP_LOCAL_MACRO(j) \ typedef typename BOOST_PP_IF(j, \ mpl::next<s(BOOST_PP_DEC(j))>, mpl::begin<S>) :: type s(j);# include BOOST_PP_LOCAL_ITERATE()// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - // Dereference sub type iterators and use with synthesize template typedef typename synthesize# define BOOST_PP_LOCAL_LIMITS (0,i)# define BOOST_PP_LOCAL_MACRO(j) \ BOOST_PP_IF(j,BOOST_PP_COMMA,BOOST_PP_IDENTITY(<))() \ typename mpl::deref< s(j) >::type# include BOOST_PP_LOCAL_ITERATE() >::type type; };// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -# undef s// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -#endif//------------------------------------------------------------------------------// (C) Copyright Tobias Schwinger//// Use modification and distribution are subject to the boost Software License,// Version 1.0. (See http://www.boost.org/LICENSE_1_0.txt).#ifndef BOOST_PP_IS_ITERATING//------------------------------------------------------------------------------# include <boost/preprocessor/cat.hpp># include <boost/preprocessor/arithmetic/inc.hpp># include <boost/preprocessor/arithmetic/dec.hpp># include <boost/preprocessor/punctuation/comma.hpp># include <boost/preprocessor/facilities/identity.hpp># include <boost/preprocessor/iteration/local.hpp># include <boost/preprocessor/iteration/iterate.hpp># include <boost/preprocessor/repetition/enum_trailing_params.hpp>//------------------------------------------------------------------------------namespace boost { namespace function_types { namespace detail {// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -template<typename S, std::size_t N> struct function_type_impl<no_function,S, N> { typedef S type; };// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -# define BOOST_PP_FILENAME_1 BOOST_FT_FRAGMENT(function_type_impl_spec,arity)# define BOOST_PP_ITERATION_LIMITS (0,BOOST_PP_INC(BOOST_FT_MAX_ARITY))# include BOOST_PP_ITERATE()// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -} } } // namespace ::boost::function_types::detail//------------------------------------------------------------------------------#elif !defined(i) // arity//------------------------------------------------------------------------------# define i BOOST_PP_FRAME_ITERATION(1)# define ii BOOST_PP_INC(i)// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -# define BOOST_FT_CLIENT \ BOOST_FT_FRAGMENT(function_type_impl_spec,specialization) # if ii < 2# define BOOST_FT_FOR BOOST_FT_PLAIN_FUNC# else# define BOOST_FT_FOR BOOST_FT_PLAIN_FUNC BOOST_FT_MEM_FUN_PTRS# endif# define BOOST_FT_FORCE_DEF_CC# include BOOST_FT_UNROLL()// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -# undef ii# undef i//------------------------------------------------------------------------------#else // specialization//------------------------------------------------------------------------------# define s(i) BOOST_PP_CAT(itr,BOOST_PP_IF(i,BOOST_PP_DEC(i),R))// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -template<typename S>struct function_type_impl<n, S, ii>{ template<typename R BOOST_PP_ENUM_TRAILING_PARAMS(i,typename T)> struct synthesize { typedef t(i,BOOST_PP_IDENTITY(type)); };// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - // Create sub type iterators# define BOOST_PP_LOCAL_LIMITS (0,i)# define BOOST_PP_LOCAL_MACRO(j) \ typedef typename BOOST_PP_IF(j, \ mpl::next<s(BOOST_PP_DEC(j))>, mpl::begin<S>) :: type s(j);# include BOOST_PP_LOCAL_ITERATE()// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - // Dereference sub type iterators and use with synthesize template typedef typename synthesize# define BOOST_PP_LOCAL_LIMITS (0,i)# define BOOST_PP_LOCAL_MACRO(j) \ BOOST_PP_IF(j,BOOST_PP_COMMA,BOOST_PP_IDENTITY(<))() \ typename mpl::deref< s(j) >::type# include BOOST_PP_LOCAL_ITERATE() >::type type; };// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -# undef s// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -#endif//------------------------------------------------------------------------------⌨️ 快捷键说明
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