boost/preprocessor/list/reverse.hpp
# /* 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_REVERSE_HPP # define BOOST_PREPROCESSOR_LIST_REVERSE_HPP # # include <boost/preprocessor/config/config.hpp> # # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT() # # include <boost/preprocessor/list/fold_left.hpp> # # /* BOOST_PP_LIST_REVERSE */ # # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG() # define BOOST_PP_LIST_REVERSE(list) BOOST_PP_LIST_FOLD_LEFT(BOOST_PP_LIST_REVERSE_O, BOOST_PP_NIL, list) # else # define BOOST_PP_LIST_REVERSE(list) BOOST_PP_LIST_REVERSE_I(list) # define BOOST_PP_LIST_REVERSE_I(list) BOOST_PP_LIST_FOLD_LEFT(BOOST_PP_LIST_REVERSE_O, BOOST_PP_NIL, list) # endif # # define BOOST_PP_LIST_REVERSE_O(d, s, x) (x, s) # # /* BOOST_PP_LIST_REVERSE_D */ # # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG() # define BOOST_PP_LIST_REVERSE_D(d, list) BOOST_PP_LIST_FOLD_LEFT_ ## d(BOOST_PP_LIST_REVERSE_O, BOOST_PP_NIL, list) # else # define BOOST_PP_LIST_REVERSE_D(d, list) BOOST_PP_LIST_REVERSE_D_I(d, list) # define BOOST_PP_LIST_REVERSE_D_I(d, list) BOOST_PP_LIST_FOLD_LEFT_ ## d(BOOST_PP_LIST_REVERSE_O, BOOST_PP_NIL, list) # endif # # else # # include <boost/preprocessor/control/iif.hpp> # include <boost/preprocessor/facilities/identity.hpp> # include <boost/preprocessor/list/adt.hpp> # include <boost/preprocessor/list/fold_left.hpp> # # /* BOOST_PP_LIST_REVERSE */ # # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG() # define BOOST_PP_LIST_REVERSE(list) BOOST_PP_IIF(BOOST_PP_LIST_IS_CONS(list),BOOST_PP_LIST_REVERSE_CONS,BOOST_PP_IDENTITY_N(BOOST_PP_NIL,1))(list) # else # define BOOST_PP_LIST_REVERSE(list) BOOST_PP_LIST_REVERSE_I(list) # define BOOST_PP_LIST_REVERSE_I(list) BOOST_PP_IIF(BOOST_PP_LIST_IS_CONS(list),BOOST_PP_LIST_REVERSE_CONS,BOOST_PP_IDENTITY_N(BOOST_PP_NIL,1))(list) # endif # # define BOOST_PP_LIST_REVERSE_O(d, s, x) (x, s) # # /* BOOST_PP_LIST_REVERSE_D */ # # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG() # define BOOST_PP_LIST_REVERSE_D(d, list) BOOST_PP_IIF(BOOST_PP_LIST_IS_CONS(list),BOOST_PP_LIST_REVERSE_CONS_D,BOOST_PP_IDENTITY_N(BOOST_PP_NIL,2))(d,list) # else # define BOOST_PP_LIST_REVERSE_D(d, list) BOOST_PP_LIST_REVERSE_D_I(d, list) # define BOOST_PP_LIST_REVERSE_D_I(d, list) BOOST_PP_IIF(BOOST_PP_LIST_IS_CONS(list),BOOST_PP_LIST_REVERSE_CONS_D,BOOST_PP_IDENTITY_N(BOOST_PP_NIL,2))(d,list) # endif # # define BOOST_PP_LIST_REVERSE_CONS(list) BOOST_PP_LIST_FOLD_LEFT(BOOST_PP_LIST_REVERSE_O, (BOOST_PP_LIST_FIRST(list),BOOST_PP_NIL), BOOST_PP_LIST_REST(list)) # define BOOST_PP_LIST_REVERSE_CONS_D(d, list) BOOST_PP_LIST_FOLD_LEFT_ ## d(BOOST_PP_LIST_REVERSE_O, (BOOST_PP_LIST_FIRST(list),BOOST_PP_NIL), BOOST_PP_LIST_REST(list)) # # endif # # endif