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      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