diff options
Diffstat (limited to 'boost/flyweight/detail/dyn_perfect_fwd.hpp')
| -rw-r--r-- | boost/flyweight/detail/dyn_perfect_fwd.hpp | 91 |
1 files changed, 65 insertions, 26 deletions
diff --git a/boost/flyweight/detail/dyn_perfect_fwd.hpp b/boost/flyweight/detail/dyn_perfect_fwd.hpp index e921718a45..20dd301467 100644 --- a/boost/flyweight/detail/dyn_perfect_fwd.hpp +++ b/boost/flyweight/detail/dyn_perfect_fwd.hpp @@ -1,4 +1,4 @@ -/* Copyright 2006-2008 Joaquin M Lopez Munoz. +/* Copyright 2006-2014 Joaquin M Lopez Munoz. * 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) @@ -6,7 +6,49 @@ * See http://www.boost.org/libs/flyweight for library home page. */ -/* no include guards */ +#ifndef BOOST_FLYWEIGHT_DETAIL_DYN_PERFECT_FWD_HPP +#define BOOST_FLYWEIGHT_DETAIL_DYN_PERFECT_FWD_HPP + +#if defined(_MSC_VER) +#pragma once +#endif + +#include <boost/config.hpp> + +#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) + +#include <boost/preprocessor/arithmetic/add.hpp> +#include <boost/preprocessor/cat.hpp> +#include <boost/preprocessor/repetition/enum.hpp> +#include <boost/preprocessor/repetition/enum_params.hpp> +#include <boost/preprocessor/repetition/repeat_from_to.hpp> +#include <boost/preprocessor/seq/seq.hpp> + +#define BOOST_FLYWEIGHT_PERFECT_FWD_ARG(z,n,_) \ +BOOST_PP_CAT(T,n)&& BOOST_PP_CAT(t,n) + +#define BOOST_FLYWEIGHT_PERFECT_FWD_N_AUX(n,name,body) \ +template<BOOST_PP_ENUM_PARAMS(n,typename T)> \ +name(BOOST_PP_ENUM(n,BOOST_FLYWEIGHT_PERFECT_FWD_ARG,~)) \ +body((FORWARD)(n)) + +#define BOOST_FLYWEIGHT_PERFECT_FWD_N(z,n,data) \ +BOOST_FLYWEIGHT_PERFECT_FWD_N_AUX( \ + n,BOOST_PP_SEQ_HEAD(data), \ + BOOST_PP_SEQ_HEAD(BOOST_PP_SEQ_TAIL(data))) + +#define BOOST_FLYWEIGHT_PERFECT_FWD_WITH_ARGS(name,body) \ +BOOST_PP_REPEAT_FROM_TO( \ + 1,BOOST_PP_ADD(BOOST_FLYWEIGHT_LIMIT_PERFECT_FWD_ARGS,1), \ + BOOST_FLYWEIGHT_PERFECT_FWD_N,(name)(body)) + +#define BOOST_FLYWEIGHT_PERFECT_FWD(name,body) \ +name()body((ENUM)(0)) \ +BOOST_FLYWEIGHT_PERFECT_FWD_WITH_ARGS(name,body) + +#else + +/* no rvalue refs -> [const] Tn& overloads */ #include <boost/preprocessor/arithmetic/add.hpp> #include <boost/preprocessor/cat.hpp> @@ -16,6 +58,7 @@ #include <boost/preprocessor/repetition/repeat_from_to.hpp> #include <boost/preprocessor/seq/elem.hpp> #include <boost/preprocessor/seq/for_each_product.hpp> +#include <boost/preprocessor/seq/seq.hpp> #include <boost/preprocessor/seq/size.hpp> #define BOOST_FLYWEIGHT_CONST(b) BOOST_PP_CAT(BOOST_FLYWEIGHT_CONST,b) @@ -34,42 +77,38 @@ BOOST_PP_CAT(T,n)& BOOST_PP_CAT(t,n) * marked const or not according to the given mask (a seq of 0 or 1) */ -#define BOOST_FLYWEIGHT_PERFECT_FWD(r,mask) \ +#define BOOST_FLYWEIGHT_PERFECT_FWD_MASK_AUX(r,name,body,mask) \ template<BOOST_PP_ENUM_PARAMS(BOOST_PP_SEQ_SIZE(mask),typename T)> \ -BOOST_FLYWEIGHT_PERFECT_FWD_NAME( \ +name( \ BOOST_PP_ENUM( \ BOOST_PP_SEQ_SIZE(mask),BOOST_FLYWEIGHT_PERFECT_FWD_ARG,mask)) \ -BOOST_FLYWEIGHT_PERFECT_FWD_BODY(BOOST_PP_SEQ_SIZE(mask)) +body((ENUM)(BOOST_PP_SEQ_SIZE(mask))) + +#define BOOST_FLYWEIGHT_PERFECT_FWD_MASK(r,data) \ +BOOST_FLYWEIGHT_PERFECT_FWD_MASK_AUX( \ + r, \ + BOOST_PP_SEQ_ELEM(0,BOOST_PP_SEQ_HEAD(data)), \ + BOOST_PP_SEQ_ELEM(1,BOOST_PP_SEQ_HEAD(data)), \ + BOOST_PP_SEQ_TAIL(data)) #define BOOST_FLYWEIGHT_01(z,n,_) ((0)(1)) /* Perfect forwarding overloads accepting 1 to n args */ -#define BOOST_FLYWEIGHT_PERFECT_FWDS_N(z,n,_) \ +#define BOOST_FLYWEIGHT_PERFECT_FWD_N(z,n,data) \ BOOST_PP_SEQ_FOR_EACH_PRODUCT( \ - BOOST_FLYWEIGHT_PERFECT_FWD, \ + BOOST_FLYWEIGHT_PERFECT_FWD_MASK, \ + ((data)) \ BOOST_PP_REPEAT(n,BOOST_FLYWEIGHT_01,~)) -#define BOOST_FLYWEIGHT_PERFECT_FWD_OVERLOADS \ +#define BOOST_FLYWEIGHT_PERFECT_FWD_WITH_ARGS(name,body) \ BOOST_PP_REPEAT_FROM_TO( \ 1,BOOST_PP_ADD(BOOST_FLYWEIGHT_LIMIT_PERFECT_FWD_ARGS,1), \ - BOOST_FLYWEIGHT_PERFECT_FWDS_N,~) - -/* generate the overloads */ - -BOOST_FLYWEIGHT_PERFECT_FWD_OVERLOADS - -/* clean up */ - -#undef BOOST_FLYWEIGHT_PERFECT_FWD_OVERLOADS -#undef BOOST_FLYWEIGHT_01 -#undef BOOST_FLYWEIGHT_PERFECT_FWD -#undef BOOST_FLYWEIGHT_PERFECT_FWD_ARG -#undef BOOST_FLYWEIGHT_CONST1 -#undef BOOST_FLYWEIGHT_CONST0 -#undef BOOST_FLYWEIGHT_CONST + BOOST_FLYWEIGHT_PERFECT_FWD_N,(name)(body)) -/* user supplied argument macros */ +#define BOOST_FLYWEIGHT_PERFECT_FWD(name,body) \ +name()body((ENUM)(0)) \ +BOOST_FLYWEIGHT_PERFECT_FWD_WITH_ARGS(name,body) -#undef BOOST_FLYWEIGHT_PERFECT_FWD_BODY -#undef BOOST_FLYWEIGHT_PERFECT_FWD_NAME +#endif +#endif |