compiler/boost/preprocessor/repetition/enum.hpp

   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_REPETITION_ENUM_HPP
  15 # define BOOST_PREPROCESSOR_REPETITION_ENUM_HPP
  16 #
  17 # include <boost/preprocessor/cat.hpp>
  18 # include <boost/preprocessor/config/config.hpp>
  19 # include <boost/preprocessor/debug/error.hpp>
  20 # include <boost/preprocessor/detail/auto_rec.hpp>
  21 # include <boost/preprocessor/punctuation/comma_if.hpp>
  22 # include <boost/preprocessor/repetition/repeat.hpp>
  23 # include <boost/preprocessor/tuple/elem.hpp>
  24 # include <boost/preprocessor/tuple/rem.hpp>
  25 #
  26 # /* BOOST_PP_ENUM */
  27 #
  28 # if 0
  29 #    define BOOST_PP_ENUM(count, macro, data)
  30 # endif
  31 #
  32 # define BOOST_PP_ENUM BOOST_PP_CAT(BOOST_PP_ENUM_, BOOST_PP_AUTO_REC(BOOST_PP_REPEAT_P, 4))
  33 #
  34 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
  35 #    define BOOST_PP_ENUM_1(c, m, d) BOOST_PP_REPEAT_1(c, BOOST_PP_ENUM_M_1, (m, d))
  36 #    define BOOST_PP_ENUM_2(c, m, d) BOOST_PP_REPEAT_2(c, BOOST_PP_ENUM_M_2, (m, d))
  37 #    define BOOST_PP_ENUM_3(c, m, d) BOOST_PP_REPEAT_3(c, BOOST_PP_ENUM_M_3, (m, d))
  38 # else
  39 #    define BOOST_PP_ENUM_1(c, m, d) BOOST_PP_ENUM_1_I(c, m, d)
  40 #    define BOOST_PP_ENUM_2(c, m, d) BOOST_PP_ENUM_2_I(c, m, d)
  41 #    define BOOST_PP_ENUM_3(c, m, d) BOOST_PP_ENUM_3_I(c, m, d)
  42 #    define BOOST_PP_ENUM_1_I(c, m, d) BOOST_PP_REPEAT_1(c, BOOST_PP_ENUM_M_1, (m, d))
  43 #    define BOOST_PP_ENUM_2_I(c, m, d) BOOST_PP_REPEAT_2(c, BOOST_PP_ENUM_M_2, (m, d))
  44 #    define BOOST_PP_ENUM_3_I(c, m, d) BOOST_PP_REPEAT_3(c, BOOST_PP_ENUM_M_3, (m, d))
  45 # endif
  46 #
  47 # define BOOST_PP_ENUM_4(c, m, d) BOOST_PP_ERROR(0x0003)
  48 #
  49 # if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT()
  50 #    define BOOST_PP_ENUM_M_1(z, n, md) BOOST_PP_ENUM_M_1_IM(z, n, BOOST_PP_TUPLE_REM_2 md)
  51 #    define BOOST_PP_ENUM_M_2(z, n, md) BOOST_PP_ENUM_M_2_IM(z, n, BOOST_PP_TUPLE_REM_2 md)
  52 #    define BOOST_PP_ENUM_M_3(z, n, md) BOOST_PP_ENUM_M_3_IM(z, n, BOOST_PP_TUPLE_REM_2 md)
  53 #    define BOOST_PP_ENUM_M_1_IM(z, n, im) BOOST_PP_ENUM_M_1_I(z, n, im)
  54 #    define BOOST_PP_ENUM_M_2_IM(z, n, im) BOOST_PP_ENUM_M_2_I(z, n, im)
  55 #    define BOOST_PP_ENUM_M_3_IM(z, n, im) BOOST_PP_ENUM_M_3_I(z, n, im)
  56 # else
  57 #    define BOOST_PP_ENUM_M_1(z, n, md) BOOST_PP_ENUM_M_1_I(z, n, BOOST_PP_TUPLE_ELEM(2, 0, md), BOOST_PP_TUPLE_ELEM(2, 1, md))
  58 #    define BOOST_PP_ENUM_M_2(z, n, md) BOOST_PP_ENUM_M_2_I(z, n, BOOST_PP_TUPLE_ELEM(2, 0, md), BOOST_PP_TUPLE_ELEM(2, 1, md))
  59 #    define BOOST_PP_ENUM_M_3(z, n, md) BOOST_PP_ENUM_M_3_I(z, n, BOOST_PP_TUPLE_ELEM(2, 0, md), BOOST_PP_TUPLE_ELEM(2, 1, md))
  60 # endif
  61 #
  62 # define BOOST_PP_ENUM_M_1_I(z, n, m, d) BOOST_PP_COMMA_IF(n) m(z, n, d)
  63 # define BOOST_PP_ENUM_M_2_I(z, n, m, d) BOOST_PP_COMMA_IF(n) m(z, n, d)
  64 # define BOOST_PP_ENUM_M_3_I(z, n, m, d) BOOST_PP_COMMA_IF(n) m(z, n, d)
  65 #
  66 # endif