1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
|
#if !defined(BOOST_PP_IS_ITERATING)
///// header body
#ifndef BOOST_MPL_AUX_TEMPLATE_ARITY_HPP_INCLUDED
#define BOOST_MPL_AUX_TEMPLATE_ARITY_HPP_INCLUDED
// Copyright Aleksey Gurtovoy 2001-2004
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// See http://www.boost.org/libs/mpl for documentation.
// $Id: template_arity.hpp 61584 2010-04-26 18:48:26Z agurtovoy $
// $Date: 2010-04-26 11:48:26 -0700 (Mon, 26 Apr 2010) $
// $Revision: 61584 $
#include <cutl/details/boost/mpl/aux_/config/ttp.hpp>
#include <cutl/details/boost/mpl/aux_/config/lambda.hpp>
#if !defined(BOOST_MPL_PREPROCESSING_MODE)
# include <cutl/details/boost/mpl/aux_/template_arity_fwd.hpp>
# include <cutl/details/boost/mpl/int.hpp>
# if !defined(BOOST_MPL_CFG_NO_FULL_LAMBDA_SUPPORT)
# if defined(BOOST_MPL_CFG_EXTENDED_TEMPLATE_PARAMETERS_MATCHING)
# include <cutl/details/boost/mpl/aux_/type_wrapper.hpp>
# endif
# else
# include <cutl/details/boost/mpl/aux_/has_rebind.hpp>
# endif
#endif
#include <cutl/details/boost/mpl/aux_/config/static_constant.hpp>
#include <cutl/details/boost/mpl/aux_/config/use_preprocessed.hpp>
#if !defined(BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS) \
&& !defined(BOOST_MPL_PREPROCESSING_MODE)
# define BOOST_MPL_PREPROCESSED_HEADER template_arity.hpp
# include <cutl/details/boost/mpl/aux_/include_preprocessed.hpp>
#else
# if !defined(BOOST_MPL_CFG_NO_FULL_LAMBDA_SUPPORT)
# if defined(BOOST_MPL_CFG_EXTENDED_TEMPLATE_PARAMETERS_MATCHING)
# include <cutl/details/boost/mpl/limits/arity.hpp>
# include <cutl/details/boost/mpl/aux_/preprocessor/range.hpp>
# include <cutl/details/boost/mpl/aux_/preprocessor/repeat.hpp>
# include <cutl/details/boost/mpl/aux_/preprocessor/params.hpp>
# include <cutl/details/boost/mpl/aux_/nttp_decl.hpp>
# include <cutl/details/boost/preprocessor/seq/fold_left.hpp>
# include <cutl/details/boost/preprocessor/comma_if.hpp>
# include <cutl/details/boost/preprocessor/iterate.hpp>
# include <cutl/details/boost/preprocessor/inc.hpp>
# include <cutl/details/boost/preprocessor/cat.hpp>
# define AUX778076_ARITY BOOST_PP_INC(BOOST_MPL_LIMIT_METAFUNCTION_ARITY)
namespace cutl_details_boost { namespace mpl { namespace aux {
template< BOOST_MPL_AUX_NTTP_DECL(int, N) > struct arity_tag
{
typedef char (&type)[N + 1];
};
# define AUX778076_MAX_ARITY_OP(unused, state, i_) \
( BOOST_PP_CAT(C,i_) > 0 ? BOOST_PP_CAT(C,i_) : state ) \
/**/
template<
BOOST_MPL_PP_PARAMS(AUX778076_ARITY, BOOST_MPL_AUX_NTTP_DECL(int, C))
>
struct max_arity
{
BOOST_STATIC_CONSTANT(int, value =
BOOST_PP_SEQ_FOLD_LEFT(
AUX778076_MAX_ARITY_OP
, -1
, BOOST_MPL_PP_RANGE(1, AUX778076_ARITY)
)
);
};
# undef AUX778076_MAX_ARITY_OP
arity_tag<0>::type arity_helper(...);
# define BOOST_PP_ITERATION_LIMITS (1, AUX778076_ARITY)
# define BOOST_PP_FILENAME_1 <cutl/details/boost/mpl/aux_/template_arity.hpp>
# include BOOST_PP_ITERATE()
template< typename F, BOOST_MPL_AUX_NTTP_DECL(int, N) >
struct template_arity_impl
{
BOOST_STATIC_CONSTANT(int, value =
sizeof(::cutl_details_boost::mpl::aux::arity_helper(type_wrapper<F>(),arity_tag<N>())) - 1
);
};
# define AUX778076_TEMPLATE_ARITY_IMPL_INVOCATION(unused, i_, F) \
BOOST_PP_COMMA_IF(i_) template_arity_impl<F,BOOST_PP_INC(i_)>::value \
/**/
template< typename F >
struct template_arity
{
BOOST_STATIC_CONSTANT(int, value = (
max_arity< BOOST_MPL_PP_REPEAT(
AUX778076_ARITY
, AUX778076_TEMPLATE_ARITY_IMPL_INVOCATION
, F
) >::value
));
typedef mpl::int_<value> type;
};
# undef AUX778076_TEMPLATE_ARITY_IMPL_INVOCATION
# undef AUX778076_ARITY
}}}
# endif // BOOST_MPL_CFG_EXTENDED_TEMPLATE_PARAMETERS_MATCHING
# else // BOOST_MPL_CFG_NO_FULL_LAMBDA_SUPPORT
# include <cutl/details/boost/mpl/aux_/config/eti.hpp>
namespace cutl_details_boost { namespace mpl { namespace aux {
template< bool >
struct template_arity_impl
{
template< typename F > struct result_
: mpl::int_<-1>
{
};
};
template<>
struct template_arity_impl<true>
{
template< typename F > struct result_
: F::arity
{
};
};
template< typename F >
struct template_arity
: template_arity_impl< ::cutl_details_boost::mpl::aux::has_rebind<F>::value >
::template result_<F>
{
};
#if defined(BOOST_MPL_CFG_MSVC_ETI_BUG)
template<>
struct template_arity<int>
: mpl::int_<-1>
{
};
#endif
}}}
# endif // BOOST_MPL_CFG_NO_FULL_LAMBDA_SUPPORT
#endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS
#endif // BOOST_MPL_AUX_TEMPLATE_ARITY_HPP_INCLUDED
///// iteration
#else
#define i_ BOOST_PP_FRAME_ITERATION(1)
template<
template< BOOST_MPL_PP_PARAMS(i_, typename P) > class F
, BOOST_MPL_PP_PARAMS(i_, typename T)
>
typename arity_tag<i_>::type
arity_helper(type_wrapper< F<BOOST_MPL_PP_PARAMS(i_, T)> >, arity_tag<i_>);
#undef i_
#endif // BOOST_PP_IS_ITERATING
|
