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_ENUM_HPP 15 # define BOOST_PREPROCESSOR_LIST_ENUM_HPP 16 # 17 # include <boost/preprocessor/config/config.hpp> 18 # include <boost/preprocessor/control/iif.hpp> 19 # include <boost/preprocessor/list/adt.hpp> 20 # include <boost/preprocessor/list/for_each_i.hpp> 21 # include <boost/preprocessor/punctuation/comma_if.hpp> 22 # include <boost/preprocessor/variadic/has_opt.hpp> 23 # 24 # /* BOOST_PP_LIST_ENUM */ 25 # 26 # if BOOST_PP_VARIADIC_HAS_OPT() 27 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG() 28 # define BOOST_PP_LIST_ENUM_NOT_EMPTY(list) BOOST_PP_LIST_FOR_EACH_I(BOOST_PP_LIST_ENUM_O, BOOST_PP_NIL, list) 29 # else 30 # define BOOST_PP_LIST_ENUM_NOT_EMPTY(list) BOOST_PP_LIST_ENUM_I(list) 31 # define BOOST_PP_LIST_ENUM_I(list) BOOST_PP_LIST_FOR_EACH_I(BOOST_PP_LIST_ENUM_O, BOOST_PP_NIL, list) 32 # endif 33 # define BOOST_PP_LIST_ENUM_EMPTY(list) 34 # define BOOST_PP_LIST_ENUM(list) BOOST_PP_IIF(BOOST_PP_LIST_IS_NIL(list),BOOST_PP_LIST_ENUM_EMPTY,BOOST_PP_LIST_ENUM_NOT_EMPTY)(list) 35 # elif ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG() 36 # define BOOST_PP_LIST_ENUM(list) BOOST_PP_LIST_FOR_EACH_I(BOOST_PP_LIST_ENUM_O, BOOST_PP_NIL, list) 37 # else 38 # define BOOST_PP_LIST_ENUM(list) BOOST_PP_LIST_ENUM_I(list) 39 # define BOOST_PP_LIST_ENUM_I(list) BOOST_PP_LIST_FOR_EACH_I(BOOST_PP_LIST_ENUM_O, BOOST_PP_NIL, list) 40 # endif 41 # 42 # define BOOST_PP_LIST_ENUM_O(r, _, i, elem) BOOST_PP_COMMA_IF(i) elem 43 # 44 # /* BOOST_PP_LIST_ENUM_R */ 45 # 46 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG() 47 # define BOOST_PP_LIST_ENUM_R(r, list) BOOST_PP_LIST_FOR_EACH_I_R(r, BOOST_PP_LIST_ENUM_O, BOOST_PP_NIL, list) 48 # else 49 # define BOOST_PP_LIST_ENUM_R(r, list) BOOST_PP_LIST_ENUM_R_I(r, list) 50 # define BOOST_PP_LIST_ENUM_R_I(r, list) BOOST_PP_LIST_FOR_EACH_I_R(r, BOOST_PP_LIST_ENUM_O, BOOST_PP_NIL, list) 51 # endif 52 # 53 # endif 54