boost/mpl/aux_/preprocessor/def_params_tail.hpp

   1
   2 #ifndef BOOST_MPL_AUX_PREPROCESSOR_DEF_PARAMS_TAIL_HPP_INCLUDED
   3 #define BOOST_MPL_AUX_PREPROCESSOR_DEF_PARAMS_TAIL_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: def_params_tail.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/limits/arity.hpp>
  18 #include <boost/mpl/aux_/config/dtp.hpp>
  19 #include <boost/mpl/aux_/config/preprocessor.hpp>
  20
  21 #include <boost/preprocessor/comma_if.hpp>
  22 #include <boost/preprocessor/logical/and.hpp>
  23 #include <boost/preprocessor/identity.hpp>
  24 #include <boost/preprocessor/empty.hpp>
  25
  26 // BOOST_MPL_PP_DEF_PARAMS_TAIL(1,T,value): , T1 = value, .., Tn = value
  27 // BOOST_MPL_PP_DEF_PARAMS_TAIL(2,T,value): , T2 = value, .., Tn = value
  28 // BOOST_MPL_PP_DEF_PARAMS_TAIL(n,T,value): <nothing>
  29
  30 #if !defined(BOOST_MPL_CFG_NO_OWN_PP_PRIMITIVES)
  31
  32 #   include <boost/mpl/aux_/preprocessor/filter_params.hpp>
  33 #   include <boost/mpl/aux_/preprocessor/sub.hpp>
  34
  35 #   define BOOST_MPL_PP_DEF_PARAMS_TAIL_IMPL(i, param, value_func) \
  36     BOOST_MPL_PP_DEF_PARAMS_TAIL_DELAY_1( \
  37           i \
  38         , BOOST_MPL_PP_SUB(BOOST_MPL_LIMIT_METAFUNCTION_ARITY,i) \
  39         , param \
  40         , value_func \
  41         ) \
  42     /**/
  43
  44 #   define BOOST_MPL_PP_DEF_PARAMS_TAIL_DELAY_1(i, n, param, value_func) \
  45     BOOST_MPL_PP_DEF_PARAMS_TAIL_DELAY_2(i,n,param,value_func) \
  46     /**/
  47
  48 #   define BOOST_MPL_PP_DEF_PARAMS_TAIL_DELAY_2(i, n, param, value_func) \
  49     BOOST_PP_COMMA_IF(BOOST_PP_AND(i,n)) \
  50     BOOST_MPL_PP_DEF_PARAMS_TAIL_##i(n,param,value_func) \
  51     /**/
  52
  53 #   define BOOST_MPL_PP_DEF_PARAMS_TAIL_0(i,p,v) BOOST_MPL_PP_FILTER_PARAMS_##i(p##1 v(),p##2 v(),p##3 v(),p##4 v(),p##5 v(),p##6 v(),p##7 v(),p##8 v(),p##9 v())
  54 #   define BOOST_MPL_PP_DEF_PARAMS_TAIL_1(i,p,v) BOOST_MPL_PP_FILTER_PARAMS_##i(p##2 v(),p##3 v(),p##4 v(),p##5 v(),p##6 v(),p##7 v(),p##8 v(),p##9 v(),p1)
  55 #   define BOOST_MPL_PP_DEF_PARAMS_TAIL_2(i,p,v) BOOST_MPL_PP_FILTER_PARAMS_##i(p##3 v(),p##4 v(),p##5 v(),p##6 v(),p##7 v(),p##8 v(),p##9 v(),p1,p2)
  56 #   define BOOST_MPL_PP_DEF_PARAMS_TAIL_3(i,p,v) BOOST_MPL_PP_FILTER_PARAMS_##i(p##4 v(),p##5 v(),p##6 v(),p##7 v(),p##8 v(),p##9 v(),p1,p2,p3)
  57 #   define BOOST_MPL_PP_DEF_PARAMS_TAIL_4(i,p,v) BOOST_MPL_PP_FILTER_PARAMS_##i(p##5 v(),p##6 v(),p##7 v(),p##8 v(),p##9 v(),p1,p2,p3,p4)
  58 #   define BOOST_MPL_PP_DEF_PARAMS_TAIL_5(i,p,v) BOOST_MPL_PP_FILTER_PARAMS_##i(p##6 v(),p##7 v(),p##8 v(),p##9 v(),p1,p2,p3,p4,p5)
  59 #   define BOOST_MPL_PP_DEF_PARAMS_TAIL_6(i,p,v) BOOST_MPL_PP_FILTER_PARAMS_##i(p##7 v(),p##8 v(),p##9 v(),p1,p2,p3,p4,p5,p6)
  60 #   define BOOST_MPL_PP_DEF_PARAMS_TAIL_7(i,p,v) BOOST_MPL_PP_FILTER_PARAMS_##i(p##8 v(),p##9 v(),p1,p2,p3,p4,p5,p6,p7)
  61 #   define BOOST_MPL_PP_DEF_PARAMS_TAIL_8(i,p,v) BOOST_MPL_PP_FILTER_PARAMS_##i(p##9 v(),p1,p2,p3,p4,p5,p6,p7,p8)
  62 #   define BOOST_MPL_PP_DEF_PARAMS_TAIL_9(i,p,v) BOOST_MPL_PP_FILTER_PARAMS_##i(p1,p2,p3,p4,p5,p6,p7,p8,p9)
  63
  64 #else
  65
  66 #   include <boost/preprocessor/arithmetic/add.hpp>
  67 #   include <boost/preprocessor/arithmetic/sub.hpp>
  68 #   include <boost/preprocessor/inc.hpp>
  69 #   include <boost/preprocessor/tuple/elem.hpp>
  70 #   include <boost/preprocessor/repeat.hpp>
  71 #   include <boost/preprocessor/cat.hpp>
  72
  73 #   define BOOST_MPL_PP_AUX_TAIL_PARAM_FUNC(unused, i, op) \
  74     , BOOST_PP_CAT( \
  75           BOOST_PP_TUPLE_ELEM(3, 1, op) \
  76         , BOOST_PP_ADD_D(1, i, BOOST_PP_INC(BOOST_PP_TUPLE_ELEM(3, 0, op))) \
  77         ) BOOST_PP_TUPLE_ELEM(3, 2, op)() \
  78     /**/
  79
  80 #   define BOOST_MPL_PP_DEF_PARAMS_TAIL_IMPL(i, param, value_func) \
  81     BOOST_PP_REPEAT( \
  82           BOOST_PP_SUB_D(1, BOOST_MPL_LIMIT_METAFUNCTION_ARITY, i) \
  83         , BOOST_MPL_PP_AUX_TAIL_PARAM_FUNC \
  84         , (i, param, value_func) \
  85         ) \
  86     /**/
  87
  88
  89 #endif // BOOST_MPL_CFG_NO_OWN_PP_PRIMITIVES
  90
  91 #define BOOST_MPL_PP_DEF_PARAMS_TAIL(i, param, value) \
  92     BOOST_MPL_PP_DEF_PARAMS_TAIL_IMPL(i, param, BOOST_PP_IDENTITY(=value)) \
  93     /**/
  94
  95 #if !defined(BOOST_MPL_CFG_NO_DEFAULT_PARAMETERS_IN_NESTED_TEMPLATES)
  96 #   define BOOST_MPL_PP_NESTED_DEF_PARAMS_TAIL(i, param, value) \
  97     BOOST_MPL_PP_DEF_PARAMS_TAIL_IMPL(i, param, BOOST_PP_IDENTITY(=value)) \
  98     /**/
  99 #else
 100 #   define BOOST_MPL_PP_NESTED_DEF_PARAMS_TAIL(i, param, value) \
 101     BOOST_MPL_PP_DEF_PARAMS_TAIL_IMPL(i, param, BOOST_PP_EMPTY) \
 102     /**/
 103 #endif
 104
 105 #endif // BOOST_MPL_AUX_PREPROCESSOR_DEF_PARAMS_TAIL_HPP_INCLUDED