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: enum.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
14 // $Date: 2008-10-10 23:19:02 -0700 (Fri, 10 Oct 2008) $
15 // $Revision: 49267 $
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