1
2#ifndef BOOST_MPL_AUX_PREPROCESSOR_ENUM_HPP_INCLUDED
3#define BOOST_MPL_AUX_PREPROCESSOR_ENUM_HPP_INCLUDED
4
5// Copyright Aleksey Gurtovoy 2000-2004
6//
7// Distributed under the Boost Software License, Version 1.0.
8// (See accompanying file LICENSE_1_0.txt or copy at
9// http://www.boost.org/LICENSE_1_0.txt)
10//
11// See http://www.boost.org/libs/mpl for documentation.
12
13// $Id$
14// $Date$
15// $Revision$
16
17#include <boost/mpl/aux_/config/preprocessor.hpp>
18
19// BOOST_MPL_PP_ENUM(0,int): <nothing>
20// BOOST_MPL_PP_ENUM(1,int): int
21// BOOST_MPL_PP_ENUM(2,int): int, int
22// BOOST_MPL_PP_ENUM(n,int): int, int, .., int
23
24#if !defined(BOOST_MPL_CFG_NO_OWN_PP_PRIMITIVES)
25
26# include <boost/preprocessor/cat.hpp>
27
28# define BOOST_MPL_PP_ENUM(n, param) \
29 BOOST_PP_CAT(BOOST_MPL_PP_ENUM_,n)(param) \
30 /**/
31
32# define BOOST_MPL_PP_ENUM_0(p)
33# define BOOST_MPL_PP_ENUM_1(p) p
34# define BOOST_MPL_PP_ENUM_2(p) p,p
35# define BOOST_MPL_PP_ENUM_3(p) p,p,p
36# define BOOST_MPL_PP_ENUM_4(p) p,p,p,p
37# define BOOST_MPL_PP_ENUM_5(p) p,p,p,p,p
38# define BOOST_MPL_PP_ENUM_6(p) p,p,p,p,p,p
39# define BOOST_MPL_PP_ENUM_7(p) p,p,p,p,p,p,p
40# define BOOST_MPL_PP_ENUM_8(p) p,p,p,p,p,p,p,p
41# define BOOST_MPL_PP_ENUM_9(p) p,p,p,p,p,p,p,p,p
42
43#else
44
45# include <boost/preprocessor/comma_if.hpp>
46# include <boost/preprocessor/repeat.hpp>
47
48# define BOOST_MPL_PP_AUX_ENUM_FUNC(unused, i, param) \
49 BOOST_PP_COMMA_IF(i) param \
50 /**/
51
52# define BOOST_MPL_PP_ENUM(n, param) \
53 BOOST_PP_REPEAT( \
54 n \
55 , BOOST_MPL_PP_AUX_ENUM_FUNC \
56 , param \
57 ) \
58 /**/
59
60#endif
61
62#endif // BOOST_MPL_AUX_PREPROCESSOR_ENUM_HPP_INCLUDED
63

source code of boost/boost/mpl/aux_/preprocessor/enum.hpp