/usr/include/boost/proto/transform/impl.hpp is in libboost1.55-dev 1.55.0+dfsg-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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_CXX11_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
|