# /* Copyright (C) 2001 | |
# * Housemarque Oy | |
# * http://www.housemarque.com | |
# * | |
# * 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) | |
# */ | |
# | |
# /* Revised by Paul Mensonides (2002) */ | |
# | |
# /* See http://www.boost.org for most recent version. */ | |
# | |
# ifndef BOOST_PREPROCESSOR_LIST_SIZE_HPP | |
# define BOOST_PREPROCESSOR_LIST_SIZE_HPP | |
# | |
# include <boost/preprocessor/arithmetic/inc.hpp> | |
# include <boost/preprocessor/config/config.hpp> | |
# include <boost/preprocessor/control/while.hpp> | |
# include <boost/preprocessor/list/adt.hpp> | |
# include <boost/preprocessor/tuple/elem.hpp> | |
# include <boost/preprocessor/tuple/rem.hpp> | |
# | |
# /* BOOST_PP_LIST_SIZE */ | |
# | |
# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG() | |
# define BOOST_PP_LIST_SIZE(list) BOOST_PP_TUPLE_ELEM(2, 0, BOOST_PP_WHILE(BOOST_PP_LIST_SIZE_P, BOOST_PP_LIST_SIZE_O, (0, list))) | |
# else | |
# define BOOST_PP_LIST_SIZE(list) BOOST_PP_LIST_SIZE_I(list) | |
# define BOOST_PP_LIST_SIZE_I(list) BOOST_PP_TUPLE_ELEM(2, 0, BOOST_PP_WHILE(BOOST_PP_LIST_SIZE_P, BOOST_PP_LIST_SIZE_O, (0, list))) | |
# endif | |
# | |
# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG() | |
# define BOOST_PP_LIST_SIZE_P(d, rl) BOOST_PP_LIST_IS_CONS(BOOST_PP_TUPLE_ELEM(2, 1, rl)) | |
# else | |
# define BOOST_PP_LIST_SIZE_P(d, rl) BOOST_PP_LIST_SIZE_P_I(BOOST_PP_TUPLE_REM_2 rl) | |
# define BOOST_PP_LIST_SIZE_P_I(im) BOOST_PP_LIST_SIZE_P_II(im) | |
# define BOOST_PP_LIST_SIZE_P_II(r, l) BOOST_PP_LIST_IS_CONS(l) | |
# endif | |
# | |
# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG() | |
# define BOOST_PP_LIST_SIZE_O(d, rl) (BOOST_PP_INC(BOOST_PP_TUPLE_ELEM(2, 0, rl)), BOOST_PP_LIST_REST(BOOST_PP_TUPLE_ELEM(2, 1, rl))) | |
# else | |
# define BOOST_PP_LIST_SIZE_O(d, rl) BOOST_PP_LIST_SIZE_O_I(BOOST_PP_TUPLE_REM_2 rl) | |
# define BOOST_PP_LIST_SIZE_O_I(im) BOOST_PP_LIST_SIZE_O_II(im) | |
# define BOOST_PP_LIST_SIZE_O_II(r, l) (BOOST_PP_INC(r), BOOST_PP_LIST_REST(l)) | |
# endif | |
# | |
# /* BOOST_PP_LIST_SIZE_D */ | |
# | |
# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG() | |
# define BOOST_PP_LIST_SIZE_D(d, list) BOOST_PP_TUPLE_ELEM(2, 0, BOOST_PP_WHILE_ ## d(BOOST_PP_LIST_SIZE_P, BOOST_PP_LIST_SIZE_O, (0, list))) | |
# else | |
# define BOOST_PP_LIST_SIZE_D(d, list) BOOST_PP_LIST_SIZE_D_I(d, list) | |
# define BOOST_PP_LIST_SIZE_D_I(d, list) BOOST_PP_TUPLE_ELEM(2, 0, BOOST_PP_WHILE_ ## d(BOOST_PP_LIST_SIZE_P, BOOST_PP_LIST_SIZE_O, (0, list))) | |
# endif | |
# | |
# endif |