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_REVERSE_HPP
15# define BOOST_PREPROCESSOR_LIST_REVERSE_HPP
16#
17# include <boost/preprocessor/config/config.hpp>
18#
19# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT()
20#
21# include <boost/preprocessor/list/fold_left.hpp>
22#
23# /* BOOST_PP_LIST_REVERSE */
24#
25# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
26# define BOOST_PP_LIST_REVERSE(list) BOOST_PP_LIST_FOLD_LEFT(BOOST_PP_LIST_REVERSE_O, BOOST_PP_NIL, list)
27# else
28# define BOOST_PP_LIST_REVERSE(list) BOOST_PP_LIST_REVERSE_I(list)
29# define BOOST_PP_LIST_REVERSE_I(list) BOOST_PP_LIST_FOLD_LEFT(BOOST_PP_LIST_REVERSE_O, BOOST_PP_NIL, list)
30# endif
31#
32# define BOOST_PP_LIST_REVERSE_O(d, s, x) (x, s)
33#
34# /* BOOST_PP_LIST_REVERSE_D */
35#
36# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
37# define BOOST_PP_LIST_REVERSE_D(d, list) BOOST_PP_LIST_FOLD_LEFT_ ## d(BOOST_PP_LIST_REVERSE_O, BOOST_PP_NIL, list)
38# else
39# define BOOST_PP_LIST_REVERSE_D(d, list) BOOST_PP_LIST_REVERSE_D_I(d, list)
40# define BOOST_PP_LIST_REVERSE_D_I(d, list) BOOST_PP_LIST_FOLD_LEFT_ ## d(BOOST_PP_LIST_REVERSE_O, BOOST_PP_NIL, list)
41# endif
42#
43# else
44#
45# include <boost/preprocessor/control/iif.hpp>
46# include <boost/preprocessor/facilities/identity.hpp>
47# include <boost/preprocessor/list/adt.hpp>
48# include <boost/preprocessor/list/fold_left.hpp>
49#
50# /* BOOST_PP_LIST_REVERSE */
51#
52# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
53# 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)
54# else
55# define BOOST_PP_LIST_REVERSE(list) BOOST_PP_LIST_REVERSE_I(list)
56# 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)
57# endif
58#
59# define BOOST_PP_LIST_REVERSE_O(d, s, x) (x, s)
60#
61# /* BOOST_PP_LIST_REVERSE_D */
62#
63# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
64# 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)
65# else
66# define BOOST_PP_LIST_REVERSE_D(d, list) BOOST_PP_LIST_REVERSE_D_I(d, list)
67# 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)
68# endif
69#
70# 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))
71# 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))
72#
73# endif
74#
75# endif
76