1
2#if !defined(BOOST_PP_IS_ITERATING)
3
4///// header body
5
6#ifndef BOOST_MPL_APPLY_FWD_HPP_INCLUDED
7#define BOOST_MPL_APPLY_FWD_HPP_INCLUDED
8
9// Copyright Aleksey Gurtovoy 2000-2004
10//
11// Distributed under the Boost Software License, Version 1.0.
12// (See accompanying file LICENSE_1_0.txt or copy at
13// http://www.boost.org/LICENSE_1_0.txt)
14//
15// See http://www.boost.org/libs/mpl for documentation.
16
17// $Id$
18// $Date$
19// $Revision$
20
21#if !defined(BOOST_MPL_PREPROCESSING_MODE)
22# include <boost/mpl/aux_/na.hpp>
23#endif
24
25#include <boost/mpl/aux_/config/use_preprocessed.hpp>
26
27#if !defined(BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS) \
28 && !defined(BOOST_MPL_PREPROCESSING_MODE)
29
30# define BOOST_MPL_PREPROCESSED_HEADER apply_fwd.hpp
31# include <boost/mpl/aux_/include_preprocessed.hpp>
32
33#else
34
35# include <boost/mpl/limits/arity.hpp>
36# include <boost/mpl/aux_/preprocessor/params.hpp>
37# include <boost/mpl/aux_/preprocessor/default_params.hpp>
38# include <boost/mpl/aux_/config/ctps.hpp>
39# include <boost/mpl/aux_/nttp_decl.hpp>
40
41# include <boost/preprocessor/comma_if.hpp>
42# include <boost/preprocessor/iterate.hpp>
43# include <boost/preprocessor/cat.hpp>
44
45// agurt, 15/jan/02: top-level 'apply' template gives an ICE on MSVC
46// (for known reasons)
47#if BOOST_WORKAROUND(BOOST_MSVC, < 1300)
48# define BOOST_MPL_CFG_NO_APPLY_TEMPLATE
49#endif
50
51namespace boost { namespace mpl {
52
53// local macro, #undef-ined at the end of the header
54# define AUX778076_APPLY_DEF_PARAMS(param, value) \
55 BOOST_MPL_PP_DEFAULT_PARAMS( \
56 BOOST_MPL_LIMIT_METAFUNCTION_ARITY \
57 , param \
58 , value \
59 ) \
60 /**/
61
62# define AUX778076_APPLY_N_COMMA_PARAMS(n, param) \
63 BOOST_PP_COMMA_IF(n) \
64 BOOST_MPL_PP_PARAMS(n, param) \
65 /**/
66
67# if !defined(BOOST_MPL_CFG_NO_APPLY_TEMPLATE)
68
69#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
70// forward declaration
71template<
72 typename F, AUX778076_APPLY_DEF_PARAMS(typename T, na)
73 >
74struct apply;
75#else
76namespace aux {
77template< BOOST_AUX_NTTP_DECL(int, arity_) > struct apply_chooser;
78}
79#endif
80
81# endif // BOOST_MPL_CFG_NO_APPLY_TEMPLATE
82
83#define BOOST_PP_ITERATION_PARAMS_1 \
84 (3,(0, BOOST_MPL_LIMIT_METAFUNCTION_ARITY, <boost/mpl/apply_fwd.hpp>))
85#include BOOST_PP_ITERATE()
86
87
88# undef AUX778076_APPLY_N_COMMA_PARAMS
89# undef AUX778076_APPLY_DEF_PARAMS
90
91}}
92
93#endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS
94#endif // BOOST_MPL_APPLY_FWD_HPP_INCLUDED
95
96///// iteration
97
98#else
99#define i_ BOOST_PP_FRAME_ITERATION(1)
100
101template<
102 typename F AUX778076_APPLY_N_COMMA_PARAMS(i_, typename T)
103 >
104struct BOOST_PP_CAT(apply,i_);
105
106#undef i_
107#endif // BOOST_PP_IS_ITERATING
108