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
190
191
192
193
|
#if !defined(BOOST_PP_IS_ITERATING)
///// header body
#ifndef BOOST_MPL_AUX_LAMBDA_NO_CTPS_HPP_INCLUDED
#define BOOST_MPL_AUX_LAMBDA_NO_CTPS_HPP_INCLUDED
// Copyright Aleksey Gurtovoy 2000-2004
//
// 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: lambda_no_ctps.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
// $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $
// $Revision: 49267 $
#if !defined(BOOST_MPL_PREPROCESSING_MODE)
# include <boost/mpl/lambda_fwd.hpp>
# include <boost/mpl/bind_fwd.hpp>
# include <boost/mpl/protect.hpp>
# include <boost/mpl/is_placeholder.hpp>
# include <boost/mpl/if.hpp>
# include <boost/mpl/identity.hpp>
# include <boost/mpl/bool.hpp>
# include <boost/mpl/aux_/na_spec.hpp>
# include <boost/mpl/aux_/lambda_support.hpp>
# include <boost/mpl/aux_/template_arity.hpp>
# include <boost/mpl/aux_/value_wknd.hpp>
#endif
#include <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 lambda_no_ctps.hpp
# include <boost/mpl/aux_/include_preprocessed.hpp>
#else
# include <boost/mpl/limits/arity.hpp>
# include <boost/mpl/aux_/preprocessor/params.hpp>
# include <boost/mpl/aux_/preprocessor/default_params.hpp>
# include <boost/mpl/aux_/preprocessor/repeat.hpp>
# include <boost/mpl/aux_/preprocessor/enum.hpp>
# include <boost/mpl/aux_/config/msvc.hpp>
# include <boost/mpl/aux_/config/workaround.hpp>
# include <boost/preprocessor/comma_if.hpp>
# include <boost/preprocessor/iterate.hpp>
# include <boost/preprocessor/inc.hpp>
# include <boost/preprocessor/cat.hpp>
namespace boost { namespace mpl {
# define AUX778076_LAMBDA_PARAMS(i_, param) \
BOOST_MPL_PP_PARAMS(i_, param) \
/**/
namespace aux {
#define n_ BOOST_MPL_LIMIT_METAFUNCTION_ARITY
template<
BOOST_MPL_PP_DEFAULT_PARAMS(n_,bool C,false)
>
struct lambda_or
: true_
{
};
template<>
struct lambda_or< BOOST_MPL_PP_ENUM(n_,false) >
: false_
{
};
#undef n_
template< typename Arity > struct lambda_impl
{
template< typename T, typename Tag, typename Protect > struct result_
{
typedef T type;
typedef is_placeholder<T> is_le;
};
};
#define BOOST_PP_ITERATION_PARAMS_1 \
(3,(1, BOOST_MPL_LIMIT_METAFUNCTION_ARITY, <boost/mpl/aux_/lambda_no_ctps.hpp>))
#include BOOST_PP_ITERATE()
} // namespace aux
template<
typename T
, typename Tag
, typename Protect
>
struct lambda
{
/// Metafunction forwarding confuses MSVC 6.x
typedef typename aux::template_arity<T>::type arity_;
typedef typename aux::lambda_impl<arity_>
::template result_< T,Tag,Protect > l_;
typedef typename l_::type type;
typedef typename l_::is_le is_le;
BOOST_MPL_AUX_LAMBDA_SUPPORT(3, lambda, (T, Tag, Protect))
};
BOOST_MPL_AUX_NA_SPEC2(1, 3, lambda)
template<
typename T
>
struct is_lambda_expression
: lambda<T>::is_le
{
};
# undef AUX778076_LAMBDA_PARAMS
}}
#endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS
#endif // BOOST_MPL_AUX_LAMBDA_NO_CTPS_HPP_INCLUDED
///// iteration, depth == 1
#else
#define i_ BOOST_PP_FRAME_ITERATION(1)
# define AUX778076_LAMBDA_TYPEDEF(unused, i_, F) \
typedef lambda< \
typename F::BOOST_PP_CAT(arg,BOOST_PP_INC(i_)) \
, Tag \
, false_ \
> BOOST_PP_CAT(l,BOOST_PP_INC(i_)); \
/**/
# define AUX778076_IS_LE_TYPEDEF(unused, i_, unused2) \
typedef typename BOOST_PP_CAT(l,BOOST_PP_INC(i_))::is_le \
BOOST_PP_CAT(is_le,BOOST_PP_INC(i_)); \
/**/
# define AUX778076_IS_LAMBDA_EXPR(unused, i_, unused2) \
BOOST_PP_COMMA_IF(i_) \
BOOST_MPL_AUX_MSVC_VALUE_WKND(BOOST_PP_CAT(is_le,BOOST_PP_INC(i_)))::value \
/**/
# define AUX778076_LAMBDA_RESULT(unused, i_, unused2) \
, typename BOOST_PP_CAT(l,BOOST_PP_INC(i_))::type \
/**/
template<> struct lambda_impl< int_<i_> >
{
template< typename F, typename Tag, typename Protect > struct result_
{
BOOST_MPL_PP_REPEAT(i_, AUX778076_LAMBDA_TYPEDEF, F)
BOOST_MPL_PP_REPEAT(i_, AUX778076_IS_LE_TYPEDEF, unused)
typedef aux::lambda_or<
BOOST_MPL_PP_REPEAT(i_, AUX778076_IS_LAMBDA_EXPR, unused)
> is_le;
typedef BOOST_PP_CAT(bind,i_)<
typename F::rebind
BOOST_MPL_PP_REPEAT(i_, AUX778076_LAMBDA_RESULT, unused)
> bind_;
typedef typename if_<
is_le
, if_< Protect, mpl::protect<bind_>, bind_ >
, identity<F>
>::type type_;
typedef typename type_::type type;
};
};
# undef AUX778076_LAMBDA_RESULT
# undef AUX778076_IS_LAMBDA_EXPR
# undef AUX778076_IS_LE_TYPEDEF
# undef AUX778076_LAMBDA_TYPEDEF
#undef i_
#endif // BOOST_PP_IS_ITERATING
|