1 # /* Copyright (C) 2001 2 # * Housemarque Oy 3 # * http://www.housemarque.com 4 # * 5 # * Distributed under the Boost Software License, Version 1.0. (See 6 # * accompanying file LICENSE_1_0.txt or copy at 7 # * http://www.boost.org/LICENSE_1_0.txt) 8 # */ 9 # 10 # /* Revised by Paul Mensonides (2002) */ 11 # 12 # /* See http://www.boost.org for most recent version. */ 13 # 14 # ifndef BOOST_PREPROCESSOR_LIST_TO_TUPLE_HPP 15 # define BOOST_PREPROCESSOR_LIST_TO_TUPLE_HPP 16 # 17 # include <boost/preprocessor/config/config.hpp> 18 # include <boost/preprocessor/list/enum.hpp> 19 # include <boost/preprocessor/control/iif.hpp> 20 # 21 # /* BOOST_PP_LIST_TO_TUPLE */ 22 # 23 # define BOOST_PP_LIST_TO_TUPLE(list) \ 24 BOOST_PP_IIF \ 25 ( \ 26 BOOST_PP_LIST_IS_NIL(list), \ 27 BOOST_PP_LIST_TO_TUPLE_EMPTY, \ 28 BOOST_PP_LIST_TO_TUPLE_DO \ 29 ) \ 30 (list) \ 31 /**/ 32 # define BOOST_PP_LIST_TO_TUPLE_EMPTY(list) 33 # 34 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG() 35 # define BOOST_PP_LIST_TO_TUPLE_DO(list) (BOOST_PP_LIST_ENUM(list)) 36 # else 37 # define BOOST_PP_LIST_TO_TUPLE_DO(list) BOOST_PP_LIST_TO_TUPLE_I(list) 38 # define BOOST_PP_LIST_TO_TUPLE_I(list) (BOOST_PP_LIST_ENUM(list)) 39 # endif 40 # 41 # /* BOOST_PP_LIST_TO_TUPLE_R */ 42 # 43 # define BOOST_PP_LIST_TO_TUPLE_R(r, list) \ 44 BOOST_PP_IIF \ 45 ( \ 46 BOOST_PP_LIST_IS_NIL(list), \ 47 BOOST_PP_LIST_TO_TUPLE_R_EMPTY, \ 48 BOOST_PP_LIST_TO_TUPLE_R_DO \ 49 ) \ 50 (r, list) \ 51 /**/ 52 # define BOOST_PP_LIST_TO_TUPLE_R_EMPTY(r,list) 53 # 54 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG() 55 # define BOOST_PP_LIST_TO_TUPLE_R_DO(r, list) (BOOST_PP_LIST_ENUM_R(r, list)) 56 # else 57 # define BOOST_PP_LIST_TO_TUPLE_R_DO(r, list) BOOST_PP_LIST_TO_TUPLE_R_I(r, list) 58 # define BOOST_PP_LIST_TO_TUPLE_R_I(r, list) (BOOST_PP_LIST_ENUM_R(r, list)) 59 # endif 60 # 61 # endif 62