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
106