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
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
|
///////////////////////////////////////////////////////////////////////////////
/// \file impl.hpp
/// Contains definition of transform<> and transform_impl<> helpers.
//
// Copyright 2008 Eric Niebler. 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)
#ifndef BOOST_PROTO_TRANSFORM_IMPL_HPP_EAN_04_03_2008
#define BOOST_PROTO_TRANSFORM_IMPL_HPP_EAN_04_03_2008
#include <boost/config.hpp>
#include <boost/mpl/bool.hpp>
#include <boost/type_traits/add_const.hpp>
#include <boost/type_traits/add_reference.hpp>
#include <boost/proto/proto_fwd.hpp>
#include <boost/proto/detail/any.hpp>
#include <boost/proto/detail/static_const.hpp>
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma warning(push)
# pragma warning(disable : 4714) // function 'xxx' marked as __forceinline not inlined
#endif
namespace boost { namespace proto
{
namespace envns_
{
////////////////////////////////////////////////////////////////////////////////////////////
struct key_not_found
{};
////////////////////////////////////////////////////////////////////////////////////////////
// empty_env
struct empty_env
{
typedef void proto_environment_;
template<typename OtherTag, typename OtherValue = key_not_found>
struct lookup
{
typedef OtherValue type;
typedef
typename add_reference<typename add_const<OtherValue>::type>::type
const_reference;
};
key_not_found operator[](detail::any) const
{
return key_not_found();
}
template<typename T>
T const &at(detail::any, T const &t) const
{
return t;
}
};
}
////////////////////////////////////////////////////////////////////////////////////////////
// is_env
template<typename T, typename Void>
struct is_env
: mpl::false_
{};
template<typename T>
struct is_env<T, typename T::proto_environment_>
: mpl::true_
{};
template<typename T>
struct is_env<T &, void>
: is_env<T>
{};
#ifdef BOOST_NO_RVALUE_REFERENCES
/// INTERNAL ONLY
///
#define BOOST_PROTO_TRANSFORM_(PrimitiveTransform, X) \
BOOST_PROTO_CALLABLE() \
typedef X proto_is_transform_; \
typedef PrimitiveTransform transform_type; \
\
template<typename Sig> \
struct result \
{ \
typedef typename boost::proto::detail::apply_transform<Sig>::result_type type; \
}; \
\
template<typename Expr> \
BOOST_FORCEINLINE \
typename boost::proto::detail::apply_transform<transform_type(Expr &)>::result_type \
operator ()(Expr &e) const \
{ \
boost::proto::empty_state s = 0; \
boost::proto::empty_env d; \
return boost::proto::detail::apply_transform<transform_type(Expr &)>()(e, s, d); \
} \
\
template<typename Expr> \
BOOST_FORCEINLINE \
typename boost::proto::detail::apply_transform<transform_type(Expr const &)>::result_type \
operator ()(Expr const &e) const \
{ \
boost::proto::empty_state s = 0; \
boost::proto::empty_env d; \
return boost::proto::detail::apply_transform<transform_type(Expr const &)>()(e, s, d); \
} \
\
template<typename Expr, typename State> \
BOOST_FORCEINLINE \
typename boost::proto::detail::apply_transform<transform_type(Expr &, State &)>::result_type \
operator ()(Expr &e, State &s) const \
{ \
boost::proto::empty_env d; \
return boost::proto::detail::apply_transform<transform_type(Expr &, State &)>()(e, s, d); \
} \
\
template<typename Expr, typename State> \
BOOST_FORCEINLINE \
typename boost::proto::detail::apply_transform<transform_type(Expr const &, State &)>::result_type \
operator ()(Expr const &e, State &s) const \
{ \
boost::proto::empty_env d; \
return boost::proto::detail::apply_transform<transform_type(Expr const &, State &)>()(e, s, d); \
} \
\
template<typename Expr, typename State> \
BOOST_FORCEINLINE \
typename boost::proto::detail::apply_transform<transform_type(Expr &, State const &)>::result_type \
operator ()(Expr &e, State const &s) const \
{ \
boost::proto::empty_env d; \
return boost::proto::detail::apply_transform<transform_type(Expr &, State const &)>()(e, s, d); \
} \
\
template<typename Expr, typename State> \
BOOST_FORCEINLINE \
typename boost::proto::detail::apply_transform<transform_type(Expr const &, State const &)>::result_type \
operator ()(Expr const &e, State const &s) const \
{ \
boost::proto::empty_env d; \
return boost::proto::detail::apply_transform<transform_type(Expr const &, State const &)>()(e, s, d); \
} \
\
template<typename Expr, typename State, typename Data> \
BOOST_FORCEINLINE \
typename boost::proto::detail::apply_transform<transform_type(Expr &, State &, Data &)>::result_type \
operator ()(Expr &e, State &s, Data &d) const \
{ \
return boost::proto::detail::apply_transform<transform_type(Expr &, State &, Data &)>()(e, s, d); \
} \
\
template<typename Expr, typename State, typename Data> \
BOOST_FORCEINLINE \
typename boost::proto::detail::apply_transform<transform_type(Expr const &, State &, Data &)>::result_type \
operator ()(Expr const &e, State &s, Data &d) const \
{ \
return boost::proto::detail::apply_transform<transform_type(Expr const &, State &, Data &)>()(e, s, d); \
} \
\
template<typename Expr, typename State, typename Data> \
BOOST_FORCEINLINE \
typename boost::proto::detail::apply_transform<transform_type(Expr &, State const &, Data &)>::result_type \
operator ()(Expr &e, State const &s, Data &d) const \
{ \
return boost::proto::detail::apply_transform<transform_type(Expr &, State const &, Data &)>()(e, s, d); \
} \
\
template<typename Expr, typename State, typename Data> \
BOOST_FORCEINLINE \
typename boost::proto::detail::apply_transform<transform_type(Expr const &, State const &, Data &)>::result_type \
operator ()(Expr const &e, State const &s, Data &d) const \
{ \
return boost::proto::detail::apply_transform<transform_type(Expr const &, State const &, Data &)>()(e, s, d); \
} \
/**/
#else
/// INTERNAL ONLY
///
#define BOOST_PROTO_TRANSFORM_(PrimitiveTransform, X) \
BOOST_PROTO_CALLABLE() \
typedef X proto_is_transform_; \
typedef PrimitiveTransform transform_type; \
\
template<typename Sig> \
struct result \
{ \
typedef typename boost::proto::detail::apply_transform<Sig>::result_type type; \
}; \
\
template<typename Expr> \
BOOST_FORCEINLINE \
typename boost::proto::detail::apply_transform<transform_type(Expr const &)>::result_type \
operator ()(Expr &&e) const \
{ \
boost::proto::empty_state s = 0; \
boost::proto::empty_env d; \
return boost::proto::detail::apply_transform<transform_type(Expr const &)>()(e, s, d); \
} \
\
template<typename Expr, typename State> \
BOOST_FORCEINLINE \
typename boost::proto::detail::apply_transform<transform_type(Expr const &, State const &)>::result_type \
operator ()(Expr &&e, State &&s) const \
{ \
boost::proto::empty_env d; \
return boost::proto::detail::apply_transform<transform_type(Expr const &, State const &)>()(e, s, d); \
} \
\
template<typename Expr, typename State, typename Data> \
BOOST_FORCEINLINE \
typename boost::proto::detail::apply_transform<transform_type(Expr const &, State const &, Data const &)>::result_type \
operator ()(Expr &&e, State &&s, Data &&d) const \
{ \
return boost::proto::detail::apply_transform<transform_type(Expr const &, State const &, Data const &)>()(e, s, d); \
} \
/**/
#endif
#define BOOST_PROTO_TRANSFORM(PrimitiveTransform) \
BOOST_PROTO_TRANSFORM_(PrimitiveTransform, void) \
/**/
namespace detail
{
template<typename Sig>
struct apply_transform;
template<typename PrimitiveTransform, typename Expr>
struct apply_transform<PrimitiveTransform(Expr)>
: PrimitiveTransform::template impl<Expr, empty_state, empty_env>
{};
template<typename PrimitiveTransform, typename Expr, typename State>
struct apply_transform<PrimitiveTransform(Expr, State)>
: PrimitiveTransform::template impl<Expr, State, empty_env>
{};
template<typename PrimitiveTransform, typename Expr, typename State, typename Data>
struct apply_transform<PrimitiveTransform(Expr, State, Data)>
: PrimitiveTransform::template impl<Expr, State, Data>
{};
}
template<typename PrimitiveTransform, typename X>
struct transform
{
BOOST_PROTO_TRANSFORM_(PrimitiveTransform, X)
};
template<typename Expr, typename State, typename Data>
struct transform_impl
{
typedef Expr const expr;
typedef Expr const &expr_param;
typedef State const state;
typedef State const &state_param;
typedef Data const data;
typedef Data const &data_param;
};
template<typename Expr, typename State, typename Data>
struct transform_impl<Expr &, State, Data>
{
typedef Expr expr;
typedef Expr &expr_param;
typedef State const state;
typedef State const &state_param;
typedef Data const data;
typedef Data const &data_param;
};
template<typename Expr, typename State, typename Data>
struct transform_impl<Expr, State &, Data>
{
typedef Expr const expr;
typedef Expr const &expr_param;
typedef State state;
typedef State &state_param;
typedef Data const data;
typedef Data const &data_param;
};
template<typename Expr, typename State, typename Data>
struct transform_impl<Expr, State, Data &>
{
typedef Expr const expr;
typedef Expr const &expr_param;
typedef State const state;
typedef State const &state_param;
typedef Data data;
typedef Data &data_param;
};
template<typename Expr, typename State, typename Data>
struct transform_impl<Expr &, State &, Data>
{
typedef Expr expr;
typedef Expr &expr_param;
typedef State state;
typedef State &state_param;
typedef Data const data;
typedef Data const &data_param;
};
template<typename Expr, typename State, typename Data>
struct transform_impl<Expr &, State, Data &>
{
typedef Expr expr;
typedef Expr &expr_param;
typedef State const state;
typedef State const &state_param;
typedef Data data;
typedef Data &data_param;
};
template<typename Expr, typename State, typename Data>
struct transform_impl<Expr, State &, Data &>
{
typedef Expr const expr;
typedef Expr const &expr_param;
typedef State state;
typedef State &state_param;
typedef Data data;
typedef Data &data_param;
};
template<typename Expr, typename State, typename Data>
struct transform_impl<Expr &, State &, Data &>
{
typedef Expr expr;
typedef Expr &expr_param;
typedef State state;
typedef State &state_param;
typedef Data data;
typedef Data &data_param;
};
}} // namespace boost::proto
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma warning(pop)
#endif
#endif
|
Swift