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1 | |
2 | #ifndef BOOST_MPL_AUX_ARITY_SPEC_HPP_INCLUDED | |
3 | #define BOOST_MPL_AUX_ARITY_SPEC_HPP_INCLUDED | |
4 | ||
5 | // Copyright Aleksey Gurtovoy 2001-2004 | |
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 | // $Id$ | |
14 | // $Date$ | |
15 | // $Revision$ | |
16 | ||
17 | #include <boost/mpl/int.hpp> | |
18 | #include <boost/mpl/limits/arity.hpp> | |
19 | #include <boost/mpl/aux_/config/dtp.hpp> | |
20 | #include <boost/mpl/aux_/preprocessor/params.hpp> | |
21 | #include <boost/mpl/aux_/arity.hpp> | |
22 | #include <boost/mpl/aux_/template_arity_fwd.hpp> | |
23 | #include <boost/mpl/aux_/config/ttp.hpp> | |
24 | #include <boost/mpl/aux_/config/lambda.hpp> | |
25 | #include <boost/mpl/aux_/config/static_constant.hpp> | |
26 | ||
27 | #if defined(BOOST_MPL_CFG_BROKEN_DEFAULT_PARAMETERS_IN_NESTED_TEMPLATES) | |
28 | # define BOOST_MPL_AUX_NONTYPE_ARITY_SPEC(i,type,name) \ | |
29 | namespace aux { \ | |
30 | template< BOOST_MPL_AUX_NTTP_DECL(int, N), BOOST_MPL_PP_PARAMS(i,type T) > \ | |
31 | struct arity< \ | |
32 | name< BOOST_MPL_PP_PARAMS(i,T) > \ | |
33 | , N \ | |
34 | > \ | |
35 | { \ | |
36 | BOOST_STATIC_CONSTANT(int \ | |
37 | , value = BOOST_MPL_LIMIT_METAFUNCTION_ARITY \ | |
38 | ); \ | |
39 | }; \ | |
40 | } \ | |
41 | /**/ | |
42 | #else | |
43 | # define BOOST_MPL_AUX_NONTYPE_ARITY_SPEC(i,type,name) /**/ | |
44 | #endif | |
45 | ||
46 | # define BOOST_MPL_AUX_ARITY_SPEC(i,name) \ | |
47 | BOOST_MPL_AUX_NONTYPE_ARITY_SPEC(i,typename,name) \ | |
48 | /**/ | |
49 | ||
50 | ||
51 | #if defined(BOOST_MPL_CFG_EXTENDED_TEMPLATE_PARAMETERS_MATCHING) \ | |
52 | && !defined(BOOST_MPL_CFG_NO_FULL_LAMBDA_SUPPORT) | |
53 | # define BOOST_MPL_AUX_TEMPLATE_ARITY_SPEC(i, name) \ | |
54 | namespace aux { \ | |
55 | template< BOOST_MPL_PP_PARAMS(i,typename T) > \ | |
56 | struct template_arity< name<BOOST_MPL_PP_PARAMS(i,T)> > \ | |
57 | : int_<i> \ | |
58 | { \ | |
59 | }; \ | |
60 | } \ | |
61 | /**/ | |
62 | #else | |
63 | # define BOOST_MPL_AUX_TEMPLATE_ARITY_SPEC(i, name) /**/ | |
64 | #endif | |
65 | ||
66 | ||
67 | #endif // BOOST_MPL_AUX_ARITY_SPEC_HPP_INCLUDED |