1 # /* Copyright (C) 2001
3 # * http://www.housemarque.com
5 # * Permission to copy, use, modify, sell and distribute this software is
6 # * granted provided this copyright notice appears in all copies. This
7 # * software is provided "as is" without express or implied warranty, and
8 # * with no claim as to its suitability for any purpose.
11 # /* Revised by Paul Mensonides (2002) */
13 # /* See http://www.boost.org for most recent version. */
15 # ifndef BOOST_PREPROCESSOR_LIST_CAT_HPP
16 # define BOOST_PREPROCESSOR_LIST_CAT_HPP
18 # include <boost/preprocessor/cat.hpp>
19 # include <boost/preprocessor/config/config.hpp>
20 # include <boost/preprocessor/list/adt.hpp>
21 # include <boost/preprocessor/list/fold_left.hpp>
23 # /* BOOST_PP_LIST_CAT */
25 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
26 # define BOOST_PP_LIST_CAT(list) BOOST_PP_LIST_FOLD_LEFT(BOOST_PP_LIST_CAT_O, BOOST_PP_LIST_FIRST(list), BOOST_PP_LIST_REST(list))
28 # define BOOST_PP_LIST_CAT(list) BOOST_PP_LIST_CAT_I(list)
29 # define BOOST_PP_LIST_CAT_I(list) BOOST_PP_LIST_FOLD_LEFT(BOOST_PP_LIST_CAT_O, BOOST_PP_LIST_FIRST(list), BOOST_PP_LIST_REST(list))
32 # define BOOST_PP_LIST_CAT_O(d, s, x) BOOST_PP_CAT(s, x)
34 # /* BOOST_PP_LIST_CAT_D */
36 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
37 # define BOOST_PP_LIST_CAT_D(d, list) BOOST_PP_LIST_FOLD_LEFT_ ## d(BOOST_PP_LIST_CAT_O, BOOST_PP_LIST_FIRST(list), BOOST_PP_LIST_REST(list))
39 # define BOOST_PP_LIST_CAT_D(d, list) BOOST_PP_LIST_CAT_D_I(d, list)
40 # define BOOST_PP_LIST_CAT_D_I(d, list) BOOST_PP_LIST_FOLD_LEFT_ ## d(BOOST_PP_LIST_CAT_O, BOOST_PP_LIST_FIRST(list), BOOST_PP_LIST_REST(list))