root / lab4 / .minix-src / include / c++ / __functional_03
History | View | Annotate | Download (43.1 KB)
| 1 |
// -*- C++ -*- |
|---|---|
| 2 |
//===----------------------------------------------------------------------===// |
| 3 |
// |
| 4 |
// The LLVM Compiler Infrastructure |
| 5 |
// |
| 6 |
// This file is dual licensed under the MIT and the University of Illinois Open |
| 7 |
// Source Licenses. See LICENSE.TXT for details. |
| 8 |
// |
| 9 |
//===----------------------------------------------------------------------===// |
| 10 | |
| 11 |
#ifndef _LIBCPP_FUNCTIONAL_03 |
| 12 |
#define _LIBCPP_FUNCTIONAL_03 |
| 13 | |
| 14 |
// manual variadic expansion for <functional> |
| 15 | |
| 16 |
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| 17 |
#pragma GCC system_header |
| 18 |
#endif |
| 19 | |
| 20 |
namespace __function {
|
| 21 | |
| 22 |
template<class _Fp> class __base; |
| 23 | |
| 24 |
template<class _Rp> |
| 25 |
class __base<_Rp()> |
| 26 |
{
|
| 27 |
__base(const __base&); |
| 28 |
__base& operator=(const __base&); |
| 29 |
public: |
| 30 |
__base() {}
|
| 31 |
virtual ~__base() {}
|
| 32 |
virtual __base* __clone() const = 0; |
| 33 |
virtual void __clone(__base*) const = 0; |
| 34 |
virtual void destroy() = 0; |
| 35 |
virtual void destroy_deallocate() = 0; |
| 36 |
virtual _Rp operator()() = 0; |
| 37 |
#ifndef _LIBCPP_NO_RTTI |
| 38 |
virtual const void* target(const type_info&) const = 0; |
| 39 |
virtual const std::type_info& target_type() const = 0; |
| 40 |
#endif // _LIBCPP_NO_RTTI |
| 41 |
}; |
| 42 | |
| 43 |
template<class _Rp, class _A0> |
| 44 |
class __base<_Rp(_A0)> |
| 45 |
{
|
| 46 |
__base(const __base&); |
| 47 |
__base& operator=(const __base&); |
| 48 |
public: |
| 49 |
__base() {}
|
| 50 |
virtual ~__base() {}
|
| 51 |
virtual __base* __clone() const = 0; |
| 52 |
virtual void __clone(__base*) const = 0; |
| 53 |
virtual void destroy() = 0; |
| 54 |
virtual void destroy_deallocate() = 0; |
| 55 |
virtual _Rp operator()(_A0) = 0; |
| 56 |
#ifndef _LIBCPP_NO_RTTI |
| 57 |
virtual const void* target(const type_info&) const = 0; |
| 58 |
virtual const std::type_info& target_type() const = 0; |
| 59 |
#endif // _LIBCPP_NO_RTTI |
| 60 |
}; |
| 61 | |
| 62 |
template<class _Rp, class _A0, class _A1> |
| 63 |
class __base<_Rp(_A0, _A1)> |
| 64 |
{
|
| 65 |
__base(const __base&); |
| 66 |
__base& operator=(const __base&); |
| 67 |
public: |
| 68 |
__base() {}
|
| 69 |
virtual ~__base() {}
|
| 70 |
virtual __base* __clone() const = 0; |
| 71 |
virtual void __clone(__base*) const = 0; |
| 72 |
virtual void destroy() = 0; |
| 73 |
virtual void destroy_deallocate() = 0; |
| 74 |
virtual _Rp operator()(_A0, _A1) = 0; |
| 75 |
#ifndef _LIBCPP_NO_RTTI |
| 76 |
virtual const void* target(const type_info&) const = 0; |
| 77 |
virtual const std::type_info& target_type() const = 0; |
| 78 |
#endif // _LIBCPP_NO_RTTI |
| 79 |
}; |
| 80 | |
| 81 |
template<class _Rp, class _A0, class _A1, class _A2> |
| 82 |
class __base<_Rp(_A0, _A1, _A2)> |
| 83 |
{
|
| 84 |
__base(const __base&); |
| 85 |
__base& operator=(const __base&); |
| 86 |
public: |
| 87 |
__base() {}
|
| 88 |
virtual ~__base() {}
|
| 89 |
virtual __base* __clone() const = 0; |
| 90 |
virtual void __clone(__base*) const = 0; |
| 91 |
virtual void destroy() = 0; |
| 92 |
virtual void destroy_deallocate() = 0; |
| 93 |
virtual _Rp operator()(_A0, _A1, _A2) = 0; |
| 94 |
#ifndef _LIBCPP_NO_RTTI |
| 95 |
virtual const void* target(const type_info&) const = 0; |
| 96 |
virtual const std::type_info& target_type() const = 0; |
| 97 |
#endif // _LIBCPP_NO_RTTI |
| 98 |
}; |
| 99 | |
| 100 |
template<class _FD, class _Alloc, class _FB> class __func; |
| 101 | |
| 102 |
template<class _Fp, class _Alloc, class _Rp> |
| 103 |
class __func<_Fp, _Alloc, _Rp()> |
| 104 |
: public __base<_Rp()> |
| 105 |
{
|
| 106 |
__compressed_pair<_Fp, _Alloc> __f_; |
| 107 |
public: |
| 108 |
explicit __func(_Fp __f) : __f_(_VSTD::move(__f)) {}
|
| 109 |
explicit __func(_Fp __f, _Alloc __a) : __f_(_VSTD::move(__f), _VSTD::move(__a)) {}
|
| 110 |
virtual __base<_Rp()>* __clone() const; |
| 111 |
virtual void __clone(__base<_Rp()>*) const; |
| 112 |
virtual void destroy(); |
| 113 |
virtual void destroy_deallocate(); |
| 114 |
virtual _Rp operator()(); |
| 115 |
#ifndef _LIBCPP_NO_RTTI |
| 116 |
virtual const void* target(const type_info&) const; |
| 117 |
virtual const std::type_info& target_type() const; |
| 118 |
#endif // _LIBCPP_NO_RTTI |
| 119 |
}; |
| 120 | |
| 121 |
template<class _Fp, class _Alloc, class _Rp> |
| 122 |
__base<_Rp()>* |
| 123 |
__func<_Fp, _Alloc, _Rp()>::__clone() const |
| 124 |
{
|
| 125 |
typedef allocator_traits<_Alloc> __alloc_traits; |
| 126 |
typedef typename __rebind_alloc_helper<__alloc_traits, __func>::type _Ap; |
| 127 |
_Ap __a(__f_.second()); |
| 128 |
typedef __allocator_destructor<_Ap> _Dp; |
| 129 |
unique_ptr<__func, _Dp> __hold(__a.allocate(1), _Dp(__a, 1)); |
| 130 |
::new (__hold.get()) __func(__f_.first(), _Alloc(__a)); |
| 131 |
return __hold.release(); |
| 132 |
} |
| 133 | |
| 134 |
template<class _Fp, class _Alloc, class _Rp> |
| 135 |
void |
| 136 |
__func<_Fp, _Alloc, _Rp()>::__clone(__base<_Rp()>* __p) const |
| 137 |
{
|
| 138 |
::new (__p) __func(__f_.first(), __f_.second()); |
| 139 |
} |
| 140 | |
| 141 |
template<class _Fp, class _Alloc, class _Rp> |
| 142 |
void |
| 143 |
__func<_Fp, _Alloc, _Rp()>::destroy() |
| 144 |
{
|
| 145 |
__f_.~__compressed_pair<_Fp, _Alloc>(); |
| 146 |
} |
| 147 | |
| 148 |
template<class _Fp, class _Alloc, class _Rp> |
| 149 |
void |
| 150 |
__func<_Fp, _Alloc, _Rp()>::destroy_deallocate() |
| 151 |
{
|
| 152 |
typedef allocator_traits<_Alloc> __alloc_traits; |
| 153 |
typedef typename __rebind_alloc_helper<__alloc_traits, __func>::type _Ap; |
| 154 |
_Ap __a(__f_.second()); |
| 155 |
__f_.~__compressed_pair<_Fp, _Alloc>(); |
| 156 |
__a.deallocate(this, 1); |
| 157 |
} |
| 158 | |
| 159 |
template<class _Fp, class _Alloc, class _Rp> |
| 160 |
_Rp |
| 161 |
__func<_Fp, _Alloc, _Rp()>::operator()() |
| 162 |
{
|
| 163 |
typedef __invoke_void_return_wrapper<_Rp> _Invoker; |
| 164 |
return _Invoker::__call(__f_.first()); |
| 165 |
} |
| 166 | |
| 167 |
#ifndef _LIBCPP_NO_RTTI |
| 168 | |
| 169 |
template<class _Fp, class _Alloc, class _Rp> |
| 170 |
const void* |
| 171 |
__func<_Fp, _Alloc, _Rp()>::target(const type_info& __ti) const |
| 172 |
{
|
| 173 |
if (__ti == typeid(_Fp)) |
| 174 |
return &__f_.first(); |
| 175 |
return (const void*)0; |
| 176 |
} |
| 177 | |
| 178 |
template<class _Fp, class _Alloc, class _Rp> |
| 179 |
const std::type_info& |
| 180 |
__func<_Fp, _Alloc, _Rp()>::target_type() const |
| 181 |
{
|
| 182 |
return typeid(_Fp); |
| 183 |
} |
| 184 | |
| 185 |
#endif // _LIBCPP_NO_RTTI |
| 186 | |
| 187 |
template<class _Fp, class _Alloc, class _Rp, class _A0> |
| 188 |
class __func<_Fp, _Alloc, _Rp(_A0)> |
| 189 |
: public __base<_Rp(_A0)> |
| 190 |
{
|
| 191 |
__compressed_pair<_Fp, _Alloc> __f_; |
| 192 |
public: |
| 193 |
_LIBCPP_INLINE_VISIBILITY explicit __func(_Fp __f) : __f_(_VSTD::move(__f)) {}
|
| 194 |
_LIBCPP_INLINE_VISIBILITY explicit __func(_Fp __f, _Alloc __a) |
| 195 |
: __f_(_VSTD::move(__f), _VSTD::move(__a)) {}
|
| 196 |
virtual __base<_Rp(_A0)>* __clone() const; |
| 197 |
virtual void __clone(__base<_Rp(_A0)>*) const; |
| 198 |
virtual void destroy(); |
| 199 |
virtual void destroy_deallocate(); |
| 200 |
virtual _Rp operator()(_A0); |
| 201 |
#ifndef _LIBCPP_NO_RTTI |
| 202 |
virtual const void* target(const type_info&) const; |
| 203 |
virtual const std::type_info& target_type() const; |
| 204 |
#endif // _LIBCPP_NO_RTTI |
| 205 |
}; |
| 206 | |
| 207 |
template<class _Fp, class _Alloc, class _Rp, class _A0> |
| 208 |
__base<_Rp(_A0)>* |
| 209 |
__func<_Fp, _Alloc, _Rp(_A0)>::__clone() const |
| 210 |
{
|
| 211 |
typedef allocator_traits<_Alloc> __alloc_traits; |
| 212 |
typedef typename __rebind_alloc_helper<__alloc_traits, __func>::type _Ap; |
| 213 |
_Ap __a(__f_.second()); |
| 214 |
typedef __allocator_destructor<_Ap> _Dp; |
| 215 |
unique_ptr<__func, _Dp> __hold(__a.allocate(1), _Dp(__a, 1)); |
| 216 |
::new (__hold.get()) __func(__f_.first(), _Alloc(__a)); |
| 217 |
return __hold.release(); |
| 218 |
} |
| 219 | |
| 220 |
template<class _Fp, class _Alloc, class _Rp, class _A0> |
| 221 |
void |
| 222 |
__func<_Fp, _Alloc, _Rp(_A0)>::__clone(__base<_Rp(_A0)>* __p) const |
| 223 |
{
|
| 224 |
::new (__p) __func(__f_.first(), __f_.second()); |
| 225 |
} |
| 226 | |
| 227 |
template<class _Fp, class _Alloc, class _Rp, class _A0> |
| 228 |
void |
| 229 |
__func<_Fp, _Alloc, _Rp(_A0)>::destroy() |
| 230 |
{
|
| 231 |
__f_.~__compressed_pair<_Fp, _Alloc>(); |
| 232 |
} |
| 233 | |
| 234 |
template<class _Fp, class _Alloc, class _Rp, class _A0> |
| 235 |
void |
| 236 |
__func<_Fp, _Alloc, _Rp(_A0)>::destroy_deallocate() |
| 237 |
{
|
| 238 |
typedef allocator_traits<_Alloc> __alloc_traits; |
| 239 |
typedef typename __rebind_alloc_helper<__alloc_traits, __func>::type _Ap; |
| 240 |
_Ap __a(__f_.second()); |
| 241 |
__f_.~__compressed_pair<_Fp, _Alloc>(); |
| 242 |
__a.deallocate(this, 1); |
| 243 |
} |
| 244 | |
| 245 |
template<class _Fp, class _Alloc, class _Rp, class _A0> |
| 246 |
_Rp |
| 247 |
__func<_Fp, _Alloc, _Rp(_A0)>::operator()(_A0 __a0) |
| 248 |
{
|
| 249 |
typedef __invoke_void_return_wrapper<_Rp> _Invoker; |
| 250 |
return _Invoker::__call(__f_.first(), __a0); |
| 251 |
} |
| 252 | |
| 253 |
#ifndef _LIBCPP_NO_RTTI |
| 254 | |
| 255 |
template<class _Fp, class _Alloc, class _Rp, class _A0> |
| 256 |
const void* |
| 257 |
__func<_Fp, _Alloc, _Rp(_A0)>::target(const type_info& __ti) const |
| 258 |
{
|
| 259 |
if (__ti == typeid(_Fp)) |
| 260 |
return &__f_.first(); |
| 261 |
return (const void*)0; |
| 262 |
} |
| 263 | |
| 264 |
template<class _Fp, class _Alloc, class _Rp, class _A0> |
| 265 |
const std::type_info& |
| 266 |
__func<_Fp, _Alloc, _Rp(_A0)>::target_type() const |
| 267 |
{
|
| 268 |
return typeid(_Fp); |
| 269 |
} |
| 270 | |
| 271 |
#endif // _LIBCPP_NO_RTTI |
| 272 | |
| 273 |
template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1> |
| 274 |
class __func<_Fp, _Alloc, _Rp(_A0, _A1)> |
| 275 |
: public __base<_Rp(_A0, _A1)> |
| 276 |
{
|
| 277 |
__compressed_pair<_Fp, _Alloc> __f_; |
| 278 |
public: |
| 279 |
_LIBCPP_INLINE_VISIBILITY explicit __func(_Fp __f) : __f_(_VSTD::move(__f)) {}
|
| 280 |
_LIBCPP_INLINE_VISIBILITY explicit __func(_Fp __f, _Alloc __a) |
| 281 |
: __f_(_VSTD::move(__f), _VSTD::move(__a)) {}
|
| 282 |
virtual __base<_Rp(_A0, _A1)>* __clone() const; |
| 283 |
virtual void __clone(__base<_Rp(_A0, _A1)>*) const; |
| 284 |
virtual void destroy(); |
| 285 |
virtual void destroy_deallocate(); |
| 286 |
virtual _Rp operator()(_A0, _A1); |
| 287 |
#ifndef _LIBCPP_NO_RTTI |
| 288 |
virtual const void* target(const type_info&) const; |
| 289 |
virtual const std::type_info& target_type() const; |
| 290 |
#endif // _LIBCPP_NO_RTTI |
| 291 |
}; |
| 292 | |
| 293 |
template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1> |
| 294 |
__base<_Rp(_A0, _A1)>* |
| 295 |
__func<_Fp, _Alloc, _Rp(_A0, _A1)>::__clone() const |
| 296 |
{
|
| 297 |
typedef allocator_traits<_Alloc> __alloc_traits; |
| 298 |
typedef typename __rebind_alloc_helper<__alloc_traits, __func>::type _Ap; |
| 299 |
_Ap __a(__f_.second()); |
| 300 |
typedef __allocator_destructor<_Ap> _Dp; |
| 301 |
unique_ptr<__func, _Dp> __hold(__a.allocate(1), _Dp(__a, 1)); |
| 302 |
::new (__hold.get()) __func(__f_.first(), _Alloc(__a)); |
| 303 |
return __hold.release(); |
| 304 |
} |
| 305 | |
| 306 |
template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1> |
| 307 |
void |
| 308 |
__func<_Fp, _Alloc, _Rp(_A0, _A1)>::__clone(__base<_Rp(_A0, _A1)>* __p) const |
| 309 |
{
|
| 310 |
::new (__p) __func(__f_.first(), __f_.second()); |
| 311 |
} |
| 312 | |
| 313 |
template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1> |
| 314 |
void |
| 315 |
__func<_Fp, _Alloc, _Rp(_A0, _A1)>::destroy() |
| 316 |
{
|
| 317 |
__f_.~__compressed_pair<_Fp, _Alloc>(); |
| 318 |
} |
| 319 | |
| 320 |
template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1> |
| 321 |
void |
| 322 |
__func<_Fp, _Alloc, _Rp(_A0, _A1)>::destroy_deallocate() |
| 323 |
{
|
| 324 |
typedef allocator_traits<_Alloc> __alloc_traits; |
| 325 |
typedef typename __rebind_alloc_helper<__alloc_traits, __func>::type _Ap; |
| 326 |
_Ap __a(__f_.second()); |
| 327 |
__f_.~__compressed_pair<_Fp, _Alloc>(); |
| 328 |
__a.deallocate(this, 1); |
| 329 |
} |
| 330 | |
| 331 |
template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1> |
| 332 |
_Rp |
| 333 |
__func<_Fp, _Alloc, _Rp(_A0, _A1)>::operator()(_A0 __a0, _A1 __a1) |
| 334 |
{
|
| 335 |
typedef __invoke_void_return_wrapper<_Rp> _Invoker; |
| 336 |
return _Invoker::__call(__f_.first(), __a0, __a1); |
| 337 |
} |
| 338 | |
| 339 |
#ifndef _LIBCPP_NO_RTTI |
| 340 | |
| 341 |
template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1> |
| 342 |
const void* |
| 343 |
__func<_Fp, _Alloc, _Rp(_A0, _A1)>::target(const type_info& __ti) const |
| 344 |
{
|
| 345 |
if (__ti == typeid(_Fp)) |
| 346 |
return &__f_.first(); |
| 347 |
return (const void*)0; |
| 348 |
} |
| 349 | |
| 350 |
template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1> |
| 351 |
const std::type_info& |
| 352 |
__func<_Fp, _Alloc, _Rp(_A0, _A1)>::target_type() const |
| 353 |
{
|
| 354 |
return typeid(_Fp); |
| 355 |
} |
| 356 | |
| 357 |
#endif // _LIBCPP_NO_RTTI |
| 358 | |
| 359 |
template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1, class _A2> |
| 360 |
class __func<_Fp, _Alloc, _Rp(_A0, _A1, _A2)> |
| 361 |
: public __base<_Rp(_A0, _A1, _A2)> |
| 362 |
{
|
| 363 |
__compressed_pair<_Fp, _Alloc> __f_; |
| 364 |
public: |
| 365 |
_LIBCPP_INLINE_VISIBILITY explicit __func(_Fp __f) : __f_(_VSTD::move(__f)) {}
|
| 366 |
_LIBCPP_INLINE_VISIBILITY explicit __func(_Fp __f, _Alloc __a) |
| 367 |
: __f_(_VSTD::move(__f), _VSTD::move(__a)) {}
|
| 368 |
virtual __base<_Rp(_A0, _A1, _A2)>* __clone() const; |
| 369 |
virtual void __clone(__base<_Rp(_A0, _A1, _A2)>*) const; |
| 370 |
virtual void destroy(); |
| 371 |
virtual void destroy_deallocate(); |
| 372 |
virtual _Rp operator()(_A0, _A1, _A2); |
| 373 |
#ifndef _LIBCPP_NO_RTTI |
| 374 |
virtual const void* target(const type_info&) const; |
| 375 |
virtual const std::type_info& target_type() const; |
| 376 |
#endif // _LIBCPP_NO_RTTI |
| 377 |
}; |
| 378 | |
| 379 |
template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1, class _A2> |
| 380 |
__base<_Rp(_A0, _A1, _A2)>* |
| 381 |
__func<_Fp, _Alloc, _Rp(_A0, _A1, _A2)>::__clone() const |
| 382 |
{
|
| 383 |
typedef allocator_traits<_Alloc> __alloc_traits; |
| 384 |
typedef typename __rebind_alloc_helper<__alloc_traits, __func>::type _Ap; |
| 385 |
_Ap __a(__f_.second()); |
| 386 |
typedef __allocator_destructor<_Ap> _Dp; |
| 387 |
unique_ptr<__func, _Dp> __hold(__a.allocate(1), _Dp(__a, 1)); |
| 388 |
::new (__hold.get()) __func(__f_.first(), _Alloc(__a)); |
| 389 |
return __hold.release(); |
| 390 |
} |
| 391 | |
| 392 |
template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1, class _A2> |
| 393 |
void |
| 394 |
__func<_Fp, _Alloc, _Rp(_A0, _A1, _A2)>::__clone(__base<_Rp(_A0, _A1, _A2)>* __p) const |
| 395 |
{
|
| 396 |
::new (__p) __func(__f_.first(), __f_.second()); |
| 397 |
} |
| 398 | |
| 399 |
template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1, class _A2> |
| 400 |
void |
| 401 |
__func<_Fp, _Alloc, _Rp(_A0, _A1, _A2)>::destroy() |
| 402 |
{
|
| 403 |
__f_.~__compressed_pair<_Fp, _Alloc>(); |
| 404 |
} |
| 405 | |
| 406 |
template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1, class _A2> |
| 407 |
void |
| 408 |
__func<_Fp, _Alloc, _Rp(_A0, _A1, _A2)>::destroy_deallocate() |
| 409 |
{
|
| 410 |
typedef allocator_traits<_Alloc> __alloc_traits; |
| 411 |
typedef typename __rebind_alloc_helper<__alloc_traits, __func>::type _Ap; |
| 412 |
_Ap __a(__f_.second()); |
| 413 |
__f_.~__compressed_pair<_Fp, _Alloc>(); |
| 414 |
__a.deallocate(this, 1); |
| 415 |
} |
| 416 | |
| 417 |
template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1, class _A2> |
| 418 |
_Rp |
| 419 |
__func<_Fp, _Alloc, _Rp(_A0, _A1, _A2)>::operator()(_A0 __a0, _A1 __a1, _A2 __a2) |
| 420 |
{
|
| 421 |
typedef __invoke_void_return_wrapper<_Rp> _Invoker; |
| 422 |
return _Invoker::__call(__f_.first(), __a0, __a1, __a2); |
| 423 |
} |
| 424 | |
| 425 |
#ifndef _LIBCPP_NO_RTTI |
| 426 | |
| 427 |
template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1, class _A2> |
| 428 |
const void* |
| 429 |
__func<_Fp, _Alloc, _Rp(_A0, _A1, _A2)>::target(const type_info& __ti) const |
| 430 |
{
|
| 431 |
if (__ti == typeid(_Fp)) |
| 432 |
return &__f_.first(); |
| 433 |
return (const void*)0; |
| 434 |
} |
| 435 | |
| 436 |
template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1, class _A2> |
| 437 |
const std::type_info& |
| 438 |
__func<_Fp, _Alloc, _Rp(_A0, _A1, _A2)>::target_type() const |
| 439 |
{
|
| 440 |
return typeid(_Fp); |
| 441 |
} |
| 442 | |
| 443 |
#endif // _LIBCPP_NO_RTTI |
| 444 | |
| 445 |
} // __function |
| 446 | |
| 447 |
template<class _Rp> |
| 448 |
class _LIBCPP_TYPE_VIS_ONLY function<_Rp()> |
| 449 |
{
|
| 450 |
typedef __function::__base<_Rp()> __base; |
| 451 |
aligned_storage<3*sizeof(void*)>::type __buf_; |
| 452 |
__base* __f_; |
| 453 | |
| 454 |
public: |
| 455 |
typedef _Rp result_type; |
| 456 | |
| 457 |
// 20.7.16.2.1, construct/copy/destroy: |
| 458 |
_LIBCPP_INLINE_VISIBILITY explicit function() : __f_(0) {}
|
| 459 |
_LIBCPP_INLINE_VISIBILITY function(nullptr_t) : __f_(0) {}
|
| 460 |
function(const function&); |
| 461 |
template<class _Fp> |
| 462 |
function(_Fp, |
| 463 |
typename enable_if<!is_integral<_Fp>::value>::type* = 0); |
| 464 | |
| 465 |
template<class _Alloc> |
| 466 |
_LIBCPP_INLINE_VISIBILITY |
| 467 |
function(allocator_arg_t, const _Alloc&) : __f_(0) {}
|
| 468 |
template<class _Alloc> |
| 469 |
_LIBCPP_INLINE_VISIBILITY |
| 470 |
function(allocator_arg_t, const _Alloc&, nullptr_t) : __f_(0) {}
|
| 471 |
template<class _Alloc> |
| 472 |
function(allocator_arg_t, const _Alloc&, const function&); |
| 473 |
template<class _Fp, class _Alloc> |
| 474 |
function(allocator_arg_t, const _Alloc& __a, _Fp __f, |
| 475 |
typename enable_if<!is_integral<_Fp>::value>::type* = 0); |
| 476 | |
| 477 |
function& operator=(const function&); |
| 478 |
function& operator=(nullptr_t); |
| 479 |
template<class _Fp> |
| 480 |
typename enable_if |
| 481 |
< |
| 482 |
!is_integral<_Fp>::value, |
| 483 |
function& |
| 484 |
>::type |
| 485 |
operator=(_Fp); |
| 486 | |
| 487 |
~function(); |
| 488 | |
| 489 |
// 20.7.16.2.2, function modifiers: |
| 490 |
void swap(function&); |
| 491 |
template<class _Fp, class _Alloc> |
| 492 |
_LIBCPP_INLINE_VISIBILITY |
| 493 |
void assign(_Fp __f, const _Alloc& __a) |
| 494 |
{function(allocator_arg, __a, __f).swap(*this);}
|
| 495 | |
| 496 |
// 20.7.16.2.3, function capacity: |
| 497 |
_LIBCPP_INLINE_VISIBILITY operator bool() const {return __f_;}
|
| 498 | |
| 499 |
private: |
| 500 |
// deleted overloads close possible hole in the type system |
| 501 |
template<class _R2> |
| 502 |
bool operator==(const function<_R2()>&) const;// = delete; |
| 503 |
template<class _R2> |
| 504 |
bool operator!=(const function<_R2()>&) const;// = delete; |
| 505 |
public: |
| 506 |
// 20.7.16.2.4, function invocation: |
| 507 |
_Rp operator()() const; |
| 508 | |
| 509 |
#ifndef _LIBCPP_NO_RTTI |
| 510 |
// 20.7.16.2.5, function target access: |
| 511 |
const std::type_info& target_type() const; |
| 512 |
template <typename _Tp> _Tp* target(); |
| 513 |
template <typename _Tp> const _Tp* target() const; |
| 514 |
#endif // _LIBCPP_NO_RTTI |
| 515 |
}; |
| 516 | |
| 517 |
template<class _Rp> |
| 518 |
function<_Rp()>::function(const function& __f) |
| 519 |
{
|
| 520 |
if (__f.__f_ == 0) |
| 521 |
__f_ = 0; |
| 522 |
else if (__f.__f_ == (const __base*)&__f.__buf_) |
| 523 |
{
|
| 524 |
__f_ = (__base*)&__buf_; |
| 525 |
__f.__f_->__clone(__f_); |
| 526 |
} |
| 527 |
else |
| 528 |
__f_ = __f.__f_->__clone(); |
| 529 |
} |
| 530 | |
| 531 |
template<class _Rp> |
| 532 |
template<class _Alloc> |
| 533 |
function<_Rp()>::function(allocator_arg_t, const _Alloc&, const function& __f) |
| 534 |
{
|
| 535 |
if (__f.__f_ == 0) |
| 536 |
__f_ = 0; |
| 537 |
else if (__f.__f_ == (const __base*)&__f.__buf_) |
| 538 |
{
|
| 539 |
__f_ = (__base*)&__buf_; |
| 540 |
__f.__f_->__clone(__f_); |
| 541 |
} |
| 542 |
else |
| 543 |
__f_ = __f.__f_->__clone(); |
| 544 |
} |
| 545 | |
| 546 |
template<class _Rp> |
| 547 |
template <class _Fp> |
| 548 |
function<_Rp()>::function(_Fp __f, |
| 549 |
typename enable_if<!is_integral<_Fp>::value>::type*) |
| 550 |
: __f_(0) |
| 551 |
{
|
| 552 |
if (__function::__not_null(__f)) |
| 553 |
{
|
| 554 |
typedef __function::__func<_Fp, allocator<_Fp>, _Rp()> _FF; |
| 555 |
if (sizeof(_FF) <= sizeof(__buf_)) |
| 556 |
{
|
| 557 |
__f_ = (__base*)&__buf_; |
| 558 |
::new (__f_) _FF(__f); |
| 559 |
} |
| 560 |
else |
| 561 |
{
|
| 562 |
typedef allocator<_FF> _Ap; |
| 563 |
_Ap __a; |
| 564 |
typedef __allocator_destructor<_Ap> _Dp; |
| 565 |
unique_ptr<__base, _Dp> __hold(__a.allocate(1), _Dp(__a, 1)); |
| 566 |
::new (__hold.get()) _FF(__f, allocator<_Fp>(__a)); |
| 567 |
__f_ = __hold.release(); |
| 568 |
} |
| 569 |
} |
| 570 |
} |
| 571 | |
| 572 |
template<class _Rp> |
| 573 |
template <class _Fp, class _Alloc> |
| 574 |
function<_Rp()>::function(allocator_arg_t, const _Alloc& __a0, _Fp __f, |
| 575 |
typename enable_if<!is_integral<_Fp>::value>::type*) |
| 576 |
: __f_(0) |
| 577 |
{
|
| 578 |
typedef allocator_traits<_Alloc> __alloc_traits; |
| 579 |
if (__function::__not_null(__f)) |
| 580 |
{
|
| 581 |
typedef __function::__func<_Fp, _Alloc, _Rp()> _FF; |
| 582 |
if (sizeof(_FF) <= sizeof(__buf_)) |
| 583 |
{
|
| 584 |
__f_ = (__base*)&__buf_; |
| 585 |
::new (__f_) _FF(__f, __a0); |
| 586 |
} |
| 587 |
else |
| 588 |
{
|
| 589 |
typedef typename __rebind_alloc_helper<__alloc_traits, _FF>::type _Ap; |
| 590 |
_Ap __a(__a0); |
| 591 |
typedef __allocator_destructor<_Ap> _Dp; |
| 592 |
unique_ptr<__base, _Dp> __hold(__a.allocate(1), _Dp(__a, 1)); |
| 593 |
::new (__hold.get()) _FF(__f, _Alloc(__a)); |
| 594 |
__f_ = __hold.release(); |
| 595 |
} |
| 596 |
} |
| 597 |
} |
| 598 | |
| 599 |
template<class _Rp> |
| 600 |
function<_Rp()>& |
| 601 |
function<_Rp()>::operator=(const function& __f) |
| 602 |
{
|
| 603 |
function(__f).swap(*this); |
| 604 |
return *this; |
| 605 |
} |
| 606 | |
| 607 |
template<class _Rp> |
| 608 |
function<_Rp()>& |
| 609 |
function<_Rp()>::operator=(nullptr_t) |
| 610 |
{
|
| 611 |
if (__f_ == (__base*)&__buf_) |
| 612 |
__f_->destroy(); |
| 613 |
else if (__f_) |
| 614 |
__f_->destroy_deallocate(); |
| 615 |
__f_ = 0; |
| 616 |
return *this; |
| 617 |
} |
| 618 | |
| 619 |
template<class _Rp> |
| 620 |
template <class _Fp> |
| 621 |
typename enable_if |
| 622 |
< |
| 623 |
!is_integral<_Fp>::value, |
| 624 |
function<_Rp()>& |
| 625 |
>::type |
| 626 |
function<_Rp()>::operator=(_Fp __f) |
| 627 |
{
|
| 628 |
function(_VSTD::move(__f)).swap(*this); |
| 629 |
return *this; |
| 630 |
} |
| 631 | |
| 632 |
template<class _Rp> |
| 633 |
function<_Rp()>::~function() |
| 634 |
{
|
| 635 |
if (__f_ == (__base*)&__buf_) |
| 636 |
__f_->destroy(); |
| 637 |
else if (__f_) |
| 638 |
__f_->destroy_deallocate(); |
| 639 |
} |
| 640 | |
| 641 |
template<class _Rp> |
| 642 |
void |
| 643 |
function<_Rp()>::swap(function& __f) |
| 644 |
{
|
| 645 |
if (__f_ == (__base*)&__buf_ && __f.__f_ == (__base*)&__f.__buf_) |
| 646 |
{
|
| 647 |
typename aligned_storage<sizeof(__buf_)>::type __tempbuf; |
| 648 |
__base* __t = (__base*)&__tempbuf; |
| 649 |
__f_->__clone(__t); |
| 650 |
__f_->destroy(); |
| 651 |
__f_ = 0; |
| 652 |
__f.__f_->__clone((__base*)&__buf_); |
| 653 |
__f.__f_->destroy(); |
| 654 |
__f.__f_ = 0; |
| 655 |
__f_ = (__base*)&__buf_; |
| 656 |
__t->__clone((__base*)&__f.__buf_); |
| 657 |
__t->destroy(); |
| 658 |
__f.__f_ = (__base*)&__f.__buf_; |
| 659 |
} |
| 660 |
else if (__f_ == (__base*)&__buf_) |
| 661 |
{
|
| 662 |
__f_->__clone((__base*)&__f.__buf_); |
| 663 |
__f_->destroy(); |
| 664 |
__f_ = __f.__f_; |
| 665 |
__f.__f_ = (__base*)&__f.__buf_; |
| 666 |
} |
| 667 |
else if (__f.__f_ == (__base*)&__f.__buf_) |
| 668 |
{
|
| 669 |
__f.__f_->__clone((__base*)&__buf_); |
| 670 |
__f.__f_->destroy(); |
| 671 |
__f.__f_ = __f_; |
| 672 |
__f_ = (__base*)&__buf_; |
| 673 |
} |
| 674 |
else |
| 675 |
_VSTD::swap(__f_, __f.__f_); |
| 676 |
} |
| 677 | |
| 678 |
template<class _Rp> |
| 679 |
_Rp |
| 680 |
function<_Rp()>::operator()() const |
| 681 |
{
|
| 682 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
| 683 |
if (__f_ == 0) |
| 684 |
throw bad_function_call(); |
| 685 |
#endif // _LIBCPP_NO_EXCEPTIONS |
| 686 |
return (*__f_)(); |
| 687 |
} |
| 688 | |
| 689 |
#ifndef _LIBCPP_NO_RTTI |
| 690 | |
| 691 |
template<class _Rp> |
| 692 |
const std::type_info& |
| 693 |
function<_Rp()>::target_type() const |
| 694 |
{
|
| 695 |
if (__f_ == 0) |
| 696 |
return typeid(void); |
| 697 |
return __f_->target_type(); |
| 698 |
} |
| 699 | |
| 700 |
template<class _Rp> |
| 701 |
template <typename _Tp> |
| 702 |
_Tp* |
| 703 |
function<_Rp()>::target() |
| 704 |
{
|
| 705 |
if (__f_ == 0) |
| 706 |
return (_Tp*)0; |
| 707 |
return (_Tp*)__f_->target(typeid(_Tp)); |
| 708 |
} |
| 709 | |
| 710 |
template<class _Rp> |
| 711 |
template <typename _Tp> |
| 712 |
const _Tp* |
| 713 |
function<_Rp()>::target() const |
| 714 |
{
|
| 715 |
if (__f_ == 0) |
| 716 |
return (const _Tp*)0; |
| 717 |
return (const _Tp*)__f_->target(typeid(_Tp)); |
| 718 |
} |
| 719 | |
| 720 |
#endif // _LIBCPP_NO_RTTI |
| 721 | |
| 722 |
template<class _Rp, class _A0> |
| 723 |
class _LIBCPP_TYPE_VIS_ONLY function<_Rp(_A0)> |
| 724 |
: public unary_function<_A0, _Rp> |
| 725 |
{
|
| 726 |
typedef __function::__base<_Rp(_A0)> __base; |
| 727 |
aligned_storage<3*sizeof(void*)>::type __buf_; |
| 728 |
__base* __f_; |
| 729 | |
| 730 |
public: |
| 731 |
typedef _Rp result_type; |
| 732 | |
| 733 |
// 20.7.16.2.1, construct/copy/destroy: |
| 734 |
_LIBCPP_INLINE_VISIBILITY explicit function() : __f_(0) {}
|
| 735 |
_LIBCPP_INLINE_VISIBILITY function(nullptr_t) : __f_(0) {}
|
| 736 |
function(const function&); |
| 737 |
template<class _Fp> |
| 738 |
function(_Fp, |
| 739 |
typename enable_if<!is_integral<_Fp>::value>::type* = 0); |
| 740 | |
| 741 |
template<class _Alloc> |
| 742 |
_LIBCPP_INLINE_VISIBILITY |
| 743 |
function(allocator_arg_t, const _Alloc&) : __f_(0) {}
|
| 744 |
template<class _Alloc> |
| 745 |
_LIBCPP_INLINE_VISIBILITY |
| 746 |
function(allocator_arg_t, const _Alloc&, nullptr_t) : __f_(0) {}
|
| 747 |
template<class _Alloc> |
| 748 |
function(allocator_arg_t, const _Alloc&, const function&); |
| 749 |
template<class _Fp, class _Alloc> |
| 750 |
function(allocator_arg_t, const _Alloc& __a, _Fp __f, |
| 751 |
typename enable_if<!is_integral<_Fp>::value>::type* = 0); |
| 752 | |
| 753 |
function& operator=(const function&); |
| 754 |
function& operator=(nullptr_t); |
| 755 |
template<class _Fp> |
| 756 |
typename enable_if |
| 757 |
< |
| 758 |
!is_integral<_Fp>::value, |
| 759 |
function& |
| 760 |
>::type |
| 761 |
operator=(_Fp); |
| 762 | |
| 763 |
~function(); |
| 764 | |
| 765 |
// 20.7.16.2.2, function modifiers: |
| 766 |
void swap(function&); |
| 767 |
template<class _Fp, class _Alloc> |
| 768 |
_LIBCPP_INLINE_VISIBILITY |
| 769 |
void assign(_Fp __f, const _Alloc& __a) |
| 770 |
{function(allocator_arg, __a, __f).swap(*this);}
|
| 771 | |
| 772 |
// 20.7.16.2.3, function capacity: |
| 773 |
_LIBCPP_INLINE_VISIBILITY operator bool() const {return __f_;}
|
| 774 | |
| 775 |
private: |
| 776 |
// deleted overloads close possible hole in the type system |
| 777 |
template<class _R2, class _B0> |
| 778 |
bool operator==(const function<_R2(_B0)>&) const;// = delete; |
| 779 |
template<class _R2, class _B0> |
| 780 |
bool operator!=(const function<_R2(_B0)>&) const;// = delete; |
| 781 |
public: |
| 782 |
// 20.7.16.2.4, function invocation: |
| 783 |
_Rp operator()(_A0) const; |
| 784 | |
| 785 |
#ifndef _LIBCPP_NO_RTTI |
| 786 |
// 20.7.16.2.5, function target access: |
| 787 |
const std::type_info& target_type() const; |
| 788 |
template <typename _Tp> _Tp* target(); |
| 789 |
template <typename _Tp> const _Tp* target() const; |
| 790 |
#endif // _LIBCPP_NO_RTTI |
| 791 |
}; |
| 792 | |
| 793 |
template<class _Rp, class _A0> |
| 794 |
function<_Rp(_A0)>::function(const function& __f) |
| 795 |
{
|
| 796 |
if (__f.__f_ == 0) |
| 797 |
__f_ = 0; |
| 798 |
else if (__f.__f_ == (const __base*)&__f.__buf_) |
| 799 |
{
|
| 800 |
__f_ = (__base*)&__buf_; |
| 801 |
__f.__f_->__clone(__f_); |
| 802 |
} |
| 803 |
else |
| 804 |
__f_ = __f.__f_->__clone(); |
| 805 |
} |
| 806 | |
| 807 |
template<class _Rp, class _A0> |
| 808 |
template<class _Alloc> |
| 809 |
function<_Rp(_A0)>::function(allocator_arg_t, const _Alloc&, const function& __f) |
| 810 |
{
|
| 811 |
if (__f.__f_ == 0) |
| 812 |
__f_ = 0; |
| 813 |
else if (__f.__f_ == (const __base*)&__f.__buf_) |
| 814 |
{
|
| 815 |
__f_ = (__base*)&__buf_; |
| 816 |
__f.__f_->__clone(__f_); |
| 817 |
} |
| 818 |
else |
| 819 |
__f_ = __f.__f_->__clone(); |
| 820 |
} |
| 821 | |
| 822 |
template<class _Rp, class _A0> |
| 823 |
template <class _Fp> |
| 824 |
function<_Rp(_A0)>::function(_Fp __f, |
| 825 |
typename enable_if<!is_integral<_Fp>::value>::type*) |
| 826 |
: __f_(0) |
| 827 |
{
|
| 828 |
if (__function::__not_null(__f)) |
| 829 |
{
|
| 830 |
typedef __function::__func<_Fp, allocator<_Fp>, _Rp(_A0)> _FF; |
| 831 |
if (sizeof(_FF) <= sizeof(__buf_)) |
| 832 |
{
|
| 833 |
__f_ = (__base*)&__buf_; |
| 834 |
::new (__f_) _FF(__f); |
| 835 |
} |
| 836 |
else |
| 837 |
{
|
| 838 |
typedef allocator<_FF> _Ap; |
| 839 |
_Ap __a; |
| 840 |
typedef __allocator_destructor<_Ap> _Dp; |
| 841 |
unique_ptr<__base, _Dp> __hold(__a.allocate(1), _Dp(__a, 1)); |
| 842 |
::new (__hold.get()) _FF(__f, allocator<_Fp>(__a)); |
| 843 |
__f_ = __hold.release(); |
| 844 |
} |
| 845 |
} |
| 846 |
} |
| 847 | |
| 848 |
template<class _Rp, class _A0> |
| 849 |
template <class _Fp, class _Alloc> |
| 850 |
function<_Rp(_A0)>::function(allocator_arg_t, const _Alloc& __a0, _Fp __f, |
| 851 |
typename enable_if<!is_integral<_Fp>::value>::type*) |
| 852 |
: __f_(0) |
| 853 |
{
|
| 854 |
typedef allocator_traits<_Alloc> __alloc_traits; |
| 855 |
if (__function::__not_null(__f)) |
| 856 |
{
|
| 857 |
typedef __function::__func<_Fp, _Alloc, _Rp(_A0)> _FF; |
| 858 |
if (sizeof(_FF) <= sizeof(__buf_)) |
| 859 |
{
|
| 860 |
__f_ = (__base*)&__buf_; |
| 861 |
::new (__f_) _FF(__f, __a0); |
| 862 |
} |
| 863 |
else |
| 864 |
{
|
| 865 |
typedef typename __rebind_alloc_helper<__alloc_traits, _FF>::type _Ap; |
| 866 |
_Ap __a(__a0); |
| 867 |
typedef __allocator_destructor<_Ap> _Dp; |
| 868 |
unique_ptr<__base, _Dp> __hold(__a.allocate(1), _Dp(__a, 1)); |
| 869 |
::new (__hold.get()) _FF(__f, _Alloc(__a)); |
| 870 |
__f_ = __hold.release(); |
| 871 |
} |
| 872 |
} |
| 873 |
} |
| 874 | |
| 875 |
template<class _Rp, class _A0> |
| 876 |
function<_Rp(_A0)>& |
| 877 |
function<_Rp(_A0)>::operator=(const function& __f) |
| 878 |
{
|
| 879 |
function(__f).swap(*this); |
| 880 |
return *this; |
| 881 |
} |
| 882 | |
| 883 |
template<class _Rp, class _A0> |
| 884 |
function<_Rp(_A0)>& |
| 885 |
function<_Rp(_A0)>::operator=(nullptr_t) |
| 886 |
{
|
| 887 |
if (__f_ == (__base*)&__buf_) |
| 888 |
__f_->destroy(); |
| 889 |
else if (__f_) |
| 890 |
__f_->destroy_deallocate(); |
| 891 |
__f_ = 0; |
| 892 |
return *this; |
| 893 |
} |
| 894 | |
| 895 |
template<class _Rp, class _A0> |
| 896 |
template <class _Fp> |
| 897 |
typename enable_if |
| 898 |
< |
| 899 |
!is_integral<_Fp>::value, |
| 900 |
function<_Rp(_A0)>& |
| 901 |
>::type |
| 902 |
function<_Rp(_A0)>::operator=(_Fp __f) |
| 903 |
{
|
| 904 |
function(_VSTD::move(__f)).swap(*this); |
| 905 |
return *this; |
| 906 |
} |
| 907 | |
| 908 |
template<class _Rp, class _A0> |
| 909 |
function<_Rp(_A0)>::~function() |
| 910 |
{
|
| 911 |
if (__f_ == (__base*)&__buf_) |
| 912 |
__f_->destroy(); |
| 913 |
else if (__f_) |
| 914 |
__f_->destroy_deallocate(); |
| 915 |
} |
| 916 | |
| 917 |
template<class _Rp, class _A0> |
| 918 |
void |
| 919 |
function<_Rp(_A0)>::swap(function& __f) |
| 920 |
{
|
| 921 |
if (__f_ == (__base*)&__buf_ && __f.__f_ == (__base*)&__f.__buf_) |
| 922 |
{
|
| 923 |
typename aligned_storage<sizeof(__buf_)>::type __tempbuf; |
| 924 |
__base* __t = (__base*)&__tempbuf; |
| 925 |
__f_->__clone(__t); |
| 926 |
__f_->destroy(); |
| 927 |
__f_ = 0; |
| 928 |
__f.__f_->__clone((__base*)&__buf_); |
| 929 |
__f.__f_->destroy(); |
| 930 |
__f.__f_ = 0; |
| 931 |
__f_ = (__base*)&__buf_; |
| 932 |
__t->__clone((__base*)&__f.__buf_); |
| 933 |
__t->destroy(); |
| 934 |
__f.__f_ = (__base*)&__f.__buf_; |
| 935 |
} |
| 936 |
else if (__f_ == (__base*)&__buf_) |
| 937 |
{
|
| 938 |
__f_->__clone((__base*)&__f.__buf_); |
| 939 |
__f_->destroy(); |
| 940 |
__f_ = __f.__f_; |
| 941 |
__f.__f_ = (__base*)&__f.__buf_; |
| 942 |
} |
| 943 |
else if (__f.__f_ == (__base*)&__f.__buf_) |
| 944 |
{
|
| 945 |
__f.__f_->__clone((__base*)&__buf_); |
| 946 |
__f.__f_->destroy(); |
| 947 |
__f.__f_ = __f_; |
| 948 |
__f_ = (__base*)&__buf_; |
| 949 |
} |
| 950 |
else |
| 951 |
_VSTD::swap(__f_, __f.__f_); |
| 952 |
} |
| 953 | |
| 954 |
template<class _Rp, class _A0> |
| 955 |
_Rp |
| 956 |
function<_Rp(_A0)>::operator()(_A0 __a0) const |
| 957 |
{
|
| 958 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
| 959 |
if (__f_ == 0) |
| 960 |
throw bad_function_call(); |
| 961 |
#endif // _LIBCPP_NO_EXCEPTIONS |
| 962 |
return (*__f_)(__a0); |
| 963 |
} |
| 964 | |
| 965 |
#ifndef _LIBCPP_NO_RTTI |
| 966 | |
| 967 |
template<class _Rp, class _A0> |
| 968 |
const std::type_info& |
| 969 |
function<_Rp(_A0)>::target_type() const |
| 970 |
{
|
| 971 |
if (__f_ == 0) |
| 972 |
return typeid(void); |
| 973 |
return __f_->target_type(); |
| 974 |
} |
| 975 | |
| 976 |
template<class _Rp, class _A0> |
| 977 |
template <typename _Tp> |
| 978 |
_Tp* |
| 979 |
function<_Rp(_A0)>::target() |
| 980 |
{
|
| 981 |
if (__f_ == 0) |
| 982 |
return (_Tp*)0; |
| 983 |
return (_Tp*)__f_->target(typeid(_Tp)); |
| 984 |
} |
| 985 | |
| 986 |
template<class _Rp, class _A0> |
| 987 |
template <typename _Tp> |
| 988 |
const _Tp* |
| 989 |
function<_Rp(_A0)>::target() const |
| 990 |
{
|
| 991 |
if (__f_ == 0) |
| 992 |
return (const _Tp*)0; |
| 993 |
return (const _Tp*)__f_->target(typeid(_Tp)); |
| 994 |
} |
| 995 | |
| 996 |
#endif // _LIBCPP_NO_RTTI |
| 997 | |
| 998 |
template<class _Rp, class _A0, class _A1> |
| 999 |
class _LIBCPP_TYPE_VIS_ONLY function<_Rp(_A0, _A1)> |
| 1000 |
: public binary_function<_A0, _A1, _Rp> |
| 1001 |
{
|
| 1002 |
typedef __function::__base<_Rp(_A0, _A1)> __base; |
| 1003 |
aligned_storage<3*sizeof(void*)>::type __buf_; |
| 1004 |
__base* __f_; |
| 1005 | |
| 1006 |
public: |
| 1007 |
typedef _Rp result_type; |
| 1008 | |
| 1009 |
// 20.7.16.2.1, construct/copy/destroy: |
| 1010 |
_LIBCPP_INLINE_VISIBILITY explicit function() : __f_(0) {}
|
| 1011 |
_LIBCPP_INLINE_VISIBILITY function(nullptr_t) : __f_(0) {}
|
| 1012 |
function(const function&); |
| 1013 |
template<class _Fp> |
| 1014 |
function(_Fp, |
| 1015 |
typename enable_if<!is_integral<_Fp>::value>::type* = 0); |
| 1016 | |
| 1017 |
template<class _Alloc> |
| 1018 |
_LIBCPP_INLINE_VISIBILITY |
| 1019 |
function(allocator_arg_t, const _Alloc&) : __f_(0) {}
|
| 1020 |
template<class _Alloc> |
| 1021 |
_LIBCPP_INLINE_VISIBILITY |
| 1022 |
function(allocator_arg_t, const _Alloc&, nullptr_t) : __f_(0) {}
|
| 1023 |
template<class _Alloc> |
| 1024 |
function(allocator_arg_t, const _Alloc&, const function&); |
| 1025 |
template<class _Fp, class _Alloc> |
| 1026 |
function(allocator_arg_t, const _Alloc& __a, _Fp __f, |
| 1027 |
typename enable_if<!is_integral<_Fp>::value>::type* = 0); |
| 1028 | |
| 1029 |
function& operator=(const function&); |
| 1030 |
function& operator=(nullptr_t); |
| 1031 |
template<class _Fp> |
| 1032 |
typename enable_if |
| 1033 |
< |
| 1034 |
!is_integral<_Fp>::value, |
| 1035 |
function& |
| 1036 |
>::type |
| 1037 |
operator=(_Fp); |
| 1038 | |
| 1039 |
~function(); |
| 1040 | |
| 1041 |
// 20.7.16.2.2, function modifiers: |
| 1042 |
void swap(function&); |
| 1043 |
template<class _Fp, class _Alloc> |
| 1044 |
_LIBCPP_INLINE_VISIBILITY |
| 1045 |
void assign(_Fp __f, const _Alloc& __a) |
| 1046 |
{function(allocator_arg, __a, __f).swap(*this);}
|
| 1047 | |
| 1048 |
// 20.7.16.2.3, function capacity: |
| 1049 |
operator bool() const {return __f_;}
|
| 1050 | |
| 1051 |
private: |
| 1052 |
// deleted overloads close possible hole in the type system |
| 1053 |
template<class _R2, class _B0, class _B1> |
| 1054 |
bool operator==(const function<_R2(_B0, _B1)>&) const;// = delete; |
| 1055 |
template<class _R2, class _B0, class _B1> |
| 1056 |
bool operator!=(const function<_R2(_B0, _B1)>&) const;// = delete; |
| 1057 |
public: |
| 1058 |
// 20.7.16.2.4, function invocation: |
| 1059 |
_Rp operator()(_A0, _A1) const; |
| 1060 | |
| 1061 |
#ifndef _LIBCPP_NO_RTTI |
| 1062 |
// 20.7.16.2.5, function target access: |
| 1063 |
const std::type_info& target_type() const; |
| 1064 |
template <typename _Tp> _Tp* target(); |
| 1065 |
template <typename _Tp> const _Tp* target() const; |
| 1066 |
#endif // _LIBCPP_NO_RTTI |
| 1067 |
}; |
| 1068 | |
| 1069 |
template<class _Rp, class _A0, class _A1> |
| 1070 |
function<_Rp(_A0, _A1)>::function(const function& __f) |
| 1071 |
{
|
| 1072 |
if (__f.__f_ == 0) |
| 1073 |
__f_ = 0; |
| 1074 |
else if (__f.__f_ == (const __base*)&__f.__buf_) |
| 1075 |
{
|
| 1076 |
__f_ = (__base*)&__buf_; |
| 1077 |
__f.__f_->__clone(__f_); |
| 1078 |
} |
| 1079 |
else |
| 1080 |
__f_ = __f.__f_->__clone(); |
| 1081 |
} |
| 1082 | |
| 1083 |
template<class _Rp, class _A0, class _A1> |
| 1084 |
template<class _Alloc> |
| 1085 |
function<_Rp(_A0, _A1)>::function(allocator_arg_t, const _Alloc&, const function& __f) |
| 1086 |
{
|
| 1087 |
if (__f.__f_ == 0) |
| 1088 |
__f_ = 0; |
| 1089 |
else if (__f.__f_ == (const __base*)&__f.__buf_) |
| 1090 |
{
|
| 1091 |
__f_ = (__base*)&__buf_; |
| 1092 |
__f.__f_->__clone(__f_); |
| 1093 |
} |
| 1094 |
else |
| 1095 |
__f_ = __f.__f_->__clone(); |
| 1096 |
} |
| 1097 | |
| 1098 |
template<class _Rp, class _A0, class _A1> |
| 1099 |
template <class _Fp> |
| 1100 |
function<_Rp(_A0, _A1)>::function(_Fp __f, |
| 1101 |
typename enable_if<!is_integral<_Fp>::value>::type*) |
| 1102 |
: __f_(0) |
| 1103 |
{
|
| 1104 |
if (__function::__not_null(__f)) |
| 1105 |
{
|
| 1106 |
typedef __function::__func<_Fp, allocator<_Fp>, _Rp(_A0, _A1)> _FF; |
| 1107 |
if (sizeof(_FF) <= sizeof(__buf_)) |
| 1108 |
{
|
| 1109 |
__f_ = (__base*)&__buf_; |
| 1110 |
::new (__f_) _FF(__f); |
| 1111 |
} |
| 1112 |
else |
| 1113 |
{
|
| 1114 |
typedef allocator<_FF> _Ap; |
| 1115 |
_Ap __a; |
| 1116 |
typedef __allocator_destructor<_Ap> _Dp; |
| 1117 |
unique_ptr<__base, _Dp> __hold(__a.allocate(1), _Dp(__a, 1)); |
| 1118 |
::new (__hold.get()) _FF(__f, allocator<_Fp>(__a)); |
| 1119 |
__f_ = __hold.release(); |
| 1120 |
} |
| 1121 |
} |
| 1122 |
} |
| 1123 | |
| 1124 |
template<class _Rp, class _A0, class _A1> |
| 1125 |
template <class _Fp, class _Alloc> |
| 1126 |
function<_Rp(_A0, _A1)>::function(allocator_arg_t, const _Alloc& __a0, _Fp __f, |
| 1127 |
typename enable_if<!is_integral<_Fp>::value>::type*) |
| 1128 |
: __f_(0) |
| 1129 |
{
|
| 1130 |
typedef allocator_traits<_Alloc> __alloc_traits; |
| 1131 |
if (__function::__not_null(__f)) |
| 1132 |
{
|
| 1133 |
typedef __function::__func<_Fp, _Alloc, _Rp(_A0, _A1)> _FF; |
| 1134 |
if (sizeof(_FF) <= sizeof(__buf_)) |
| 1135 |
{
|
| 1136 |
__f_ = (__base*)&__buf_; |
| 1137 |
::new (__f_) _FF(__f, __a0); |
| 1138 |
} |
| 1139 |
else |
| 1140 |
{
|
| 1141 |
typedef typename __rebind_alloc_helper<__alloc_traits, _FF>::type _Ap; |
| 1142 |
_Ap __a(__a0); |
| 1143 |
typedef __allocator_destructor<_Ap> _Dp; |
| 1144 |
unique_ptr<__base, _Dp> __hold(__a.allocate(1), _Dp(__a, 1)); |
| 1145 |
::new (__hold.get()) _FF(__f, _Alloc(__a)); |
| 1146 |
__f_ = __hold.release(); |
| 1147 |
} |
| 1148 |
} |
| 1149 |
} |
| 1150 | |
| 1151 |
template<class _Rp, class _A0, class _A1> |
| 1152 |
function<_Rp(_A0, _A1)>& |
| 1153 |
function<_Rp(_A0, _A1)>::operator=(const function& __f) |
| 1154 |
{
|
| 1155 |
function(__f).swap(*this); |
| 1156 |
return *this; |
| 1157 |
} |
| 1158 | |
| 1159 |
template<class _Rp, class _A0, class _A1> |
| 1160 |
function<_Rp(_A0, _A1)>& |
| 1161 |
function<_Rp(_A0, _A1)>::operator=(nullptr_t) |
| 1162 |
{
|
| 1163 |
if (__f_ == (__base*)&__buf_) |
| 1164 |
__f_->destroy(); |
| 1165 |
else if (__f_) |
| 1166 |
__f_->destroy_deallocate(); |
| 1167 |
__f_ = 0; |
| 1168 |
return *this; |
| 1169 |
} |
| 1170 | |
| 1171 |
template<class _Rp, class _A0, class _A1> |
| 1172 |
template <class _Fp> |
| 1173 |
typename enable_if |
| 1174 |
< |
| 1175 |
!is_integral<_Fp>::value, |
| 1176 |
function<_Rp(_A0, _A1)>& |
| 1177 |
>::type |
| 1178 |
function<_Rp(_A0, _A1)>::operator=(_Fp __f) |
| 1179 |
{
|
| 1180 |
function(_VSTD::move(__f)).swap(*this); |
| 1181 |
return *this; |
| 1182 |
} |
| 1183 | |
| 1184 |
template<class _Rp, class _A0, class _A1> |
| 1185 |
function<_Rp(_A0, _A1)>::~function() |
| 1186 |
{
|
| 1187 |
if (__f_ == (__base*)&__buf_) |
| 1188 |
__f_->destroy(); |
| 1189 |
else if (__f_) |
| 1190 |
__f_->destroy_deallocate(); |
| 1191 |
} |
| 1192 | |
| 1193 |
template<class _Rp, class _A0, class _A1> |
| 1194 |
void |
| 1195 |
function<_Rp(_A0, _A1)>::swap(function& __f) |
| 1196 |
{
|
| 1197 |
if (__f_ == (__base*)&__buf_ && __f.__f_ == (__base*)&__f.__buf_) |
| 1198 |
{
|
| 1199 |
typename aligned_storage<sizeof(__buf_)>::type __tempbuf; |
| 1200 |
__base* __t = (__base*)&__tempbuf; |
| 1201 |
__f_->__clone(__t); |
| 1202 |
__f_->destroy(); |
| 1203 |
__f_ = 0; |
| 1204 |
__f.__f_->__clone((__base*)&__buf_); |
| 1205 |
__f.__f_->destroy(); |
| 1206 |
__f.__f_ = 0; |
| 1207 |
__f_ = (__base*)&__buf_; |
| 1208 |
__t->__clone((__base*)&__f.__buf_); |
| 1209 |
__t->destroy(); |
| 1210 |
__f.__f_ = (__base*)&__f.__buf_; |
| 1211 |
} |
| 1212 |
else if (__f_ == (__base*)&__buf_) |
| 1213 |
{
|
| 1214 |
__f_->__clone((__base*)&__f.__buf_); |
| 1215 |
__f_->destroy(); |
| 1216 |
__f_ = __f.__f_; |
| 1217 |
__f.__f_ = (__base*)&__f.__buf_; |
| 1218 |
} |
| 1219 |
else if (__f.__f_ == (__base*)&__f.__buf_) |
| 1220 |
{
|
| 1221 |
__f.__f_->__clone((__base*)&__buf_); |
| 1222 |
__f.__f_->destroy(); |
| 1223 |
__f.__f_ = __f_; |
| 1224 |
__f_ = (__base*)&__buf_; |
| 1225 |
} |
| 1226 |
else |
| 1227 |
_VSTD::swap(__f_, __f.__f_); |
| 1228 |
} |
| 1229 | |
| 1230 |
template<class _Rp, class _A0, class _A1> |
| 1231 |
_Rp |
| 1232 |
function<_Rp(_A0, _A1)>::operator()(_A0 __a0, _A1 __a1) const |
| 1233 |
{
|
| 1234 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
| 1235 |
if (__f_ == 0) |
| 1236 |
throw bad_function_call(); |
| 1237 |
#endif // _LIBCPP_NO_EXCEPTIONS |
| 1238 |
return (*__f_)(__a0, __a1); |
| 1239 |
} |
| 1240 | |
| 1241 |
#ifndef _LIBCPP_NO_RTTI |
| 1242 | |
| 1243 |
template<class _Rp, class _A0, class _A1> |
| 1244 |
const std::type_info& |
| 1245 |
function<_Rp(_A0, _A1)>::target_type() const |
| 1246 |
{
|
| 1247 |
if (__f_ == 0) |
| 1248 |
return typeid(void); |
| 1249 |
return __f_->target_type(); |
| 1250 |
} |
| 1251 | |
| 1252 |
template<class _Rp, class _A0, class _A1> |
| 1253 |
template <typename _Tp> |
| 1254 |
_Tp* |
| 1255 |
function<_Rp(_A0, _A1)>::target() |
| 1256 |
{
|
| 1257 |
if (__f_ == 0) |
| 1258 |
return (_Tp*)0; |
| 1259 |
return (_Tp*)__f_->target(typeid(_Tp)); |
| 1260 |
} |
| 1261 | |
| 1262 |
template<class _Rp, class _A0, class _A1> |
| 1263 |
template <typename _Tp> |
| 1264 |
const _Tp* |
| 1265 |
function<_Rp(_A0, _A1)>::target() const |
| 1266 |
{
|
| 1267 |
if (__f_ == 0) |
| 1268 |
return (const _Tp*)0; |
| 1269 |
return (const _Tp*)__f_->target(typeid(_Tp)); |
| 1270 |
} |
| 1271 | |
| 1272 |
#endif // _LIBCPP_NO_RTTI |
| 1273 | |
| 1274 |
template<class _Rp, class _A0, class _A1, class _A2> |
| 1275 |
class _LIBCPP_TYPE_VIS_ONLY function<_Rp(_A0, _A1, _A2)> |
| 1276 |
{
|
| 1277 |
typedef __function::__base<_Rp(_A0, _A1, _A2)> __base; |
| 1278 |
aligned_storage<3*sizeof(void*)>::type __buf_; |
| 1279 |
__base* __f_; |
| 1280 | |
| 1281 |
public: |
| 1282 |
typedef _Rp result_type; |
| 1283 | |
| 1284 |
// 20.7.16.2.1, construct/copy/destroy: |
| 1285 |
_LIBCPP_INLINE_VISIBILITY explicit function() : __f_(0) {}
|
| 1286 |
_LIBCPP_INLINE_VISIBILITY function(nullptr_t) : __f_(0) {}
|
| 1287 |
function(const function&); |
| 1288 |
template<class _Fp> |
| 1289 |
function(_Fp, |
| 1290 |
typename enable_if<!is_integral<_Fp>::value>::type* = 0); |
| 1291 | |
| 1292 |
template<class _Alloc> |
| 1293 |
_LIBCPP_INLINE_VISIBILITY |
| 1294 |
function(allocator_arg_t, const _Alloc&) : __f_(0) {}
|
| 1295 |
template<class _Alloc> |
| 1296 |
_LIBCPP_INLINE_VISIBILITY |
| 1297 |
function(allocator_arg_t, const _Alloc&, nullptr_t) : __f_(0) {}
|
| 1298 |
template<class _Alloc> |
| 1299 |
function(allocator_arg_t, const _Alloc&, const function&); |
| 1300 |
template<class _Fp, class _Alloc> |
| 1301 |
function(allocator_arg_t, const _Alloc& __a, _Fp __f, |
| 1302 |
typename enable_if<!is_integral<_Fp>::value>::type* = 0); |
| 1303 | |
| 1304 |
function& operator=(const function&); |
| 1305 |
function& operator=(nullptr_t); |
| 1306 |
template<class _Fp> |
| 1307 |
typename enable_if |
| 1308 |
< |
| 1309 |
!is_integral<_Fp>::value, |
| 1310 |
function& |
| 1311 |
>::type |
| 1312 |
operator=(_Fp); |
| 1313 | |
| 1314 |
~function(); |
| 1315 | |
| 1316 |
// 20.7.16.2.2, function modifiers: |
| 1317 |
void swap(function&); |
| 1318 |
template<class _Fp, class _Alloc> |
| 1319 |
_LIBCPP_INLINE_VISIBILITY |
| 1320 |
void assign(_Fp __f, const _Alloc& __a) |
| 1321 |
{function(allocator_arg, __a, __f).swap(*this);}
|
| 1322 | |
| 1323 |
// 20.7.16.2.3, function capacity: |
| 1324 |
_LIBCPP_INLINE_VISIBILITY operator bool() const {return __f_;}
|
| 1325 | |
| 1326 |
private: |
| 1327 |
// deleted overloads close possible hole in the type system |
| 1328 |
template<class _R2, class _B0, class _B1, class _B2> |
| 1329 |
bool operator==(const function<_R2(_B0, _B1, _B2)>&) const;// = delete; |
| 1330 |
template<class _R2, class _B0, class _B1, class _B2> |
| 1331 |
bool operator!=(const function<_R2(_B0, _B1, _B2)>&) const;// = delete; |
| 1332 |
public: |
| 1333 |
// 20.7.16.2.4, function invocation: |
| 1334 |
_Rp operator()(_A0, _A1, _A2) const; |
| 1335 | |
| 1336 |
#ifndef _LIBCPP_NO_RTTI |
| 1337 |
// 20.7.16.2.5, function target access: |
| 1338 |
const std::type_info& target_type() const; |
| 1339 |
template <typename _Tp> _Tp* target(); |
| 1340 |
template <typename _Tp> const _Tp* target() const; |
| 1341 |
#endif // _LIBCPP_NO_RTTI |
| 1342 |
}; |
| 1343 | |
| 1344 |
template<class _Rp, class _A0, class _A1, class _A2> |
| 1345 |
function<_Rp(_A0, _A1, _A2)>::function(const function& __f) |
| 1346 |
{
|
| 1347 |
if (__f.__f_ == 0) |
| 1348 |
__f_ = 0; |
| 1349 |
else if (__f.__f_ == (const __base*)&__f.__buf_) |
| 1350 |
{
|
| 1351 |
__f_ = (__base*)&__buf_; |
| 1352 |
__f.__f_->__clone(__f_); |
| 1353 |
} |
| 1354 |
else |
| 1355 |
__f_ = __f.__f_->__clone(); |
| 1356 |
} |
| 1357 | |
| 1358 |
template<class _Rp, class _A0, class _A1, class _A2> |
| 1359 |
template<class _Alloc> |
| 1360 |
function<_Rp(_A0, _A1, _A2)>::function(allocator_arg_t, const _Alloc&, |
| 1361 |
const function& __f) |
| 1362 |
{
|
| 1363 |
if (__f.__f_ == 0) |
| 1364 |
__f_ = 0; |
| 1365 |
else if (__f.__f_ == (const __base*)&__f.__buf_) |
| 1366 |
{
|
| 1367 |
__f_ = (__base*)&__buf_; |
| 1368 |
__f.__f_->__clone(__f_); |
| 1369 |
} |
| 1370 |
else |
| 1371 |
__f_ = __f.__f_->__clone(); |
| 1372 |
} |
| 1373 | |
| 1374 |
template<class _Rp, class _A0, class _A1, class _A2> |
| 1375 |
template <class _Fp> |
| 1376 |
function<_Rp(_A0, _A1, _A2)>::function(_Fp __f, |
| 1377 |
typename enable_if<!is_integral<_Fp>::value>::type*) |
| 1378 |
: __f_(0) |
| 1379 |
{
|
| 1380 |
if (__function::__not_null(__f)) |
| 1381 |
{
|
| 1382 |
typedef __function::__func<_Fp, allocator<_Fp>, _Rp(_A0, _A1, _A2)> _FF; |
| 1383 |
if (sizeof(_FF) <= sizeof(__buf_)) |
| 1384 |
{
|
| 1385 |
__f_ = (__base*)&__buf_; |
| 1386 |
::new (__f_) _FF(__f); |
| 1387 |
} |
| 1388 |
else |
| 1389 |
{
|
| 1390 |
typedef allocator<_FF> _Ap; |
| 1391 |
_Ap __a; |
| 1392 |
typedef __allocator_destructor<_Ap> _Dp; |
| 1393 |
unique_ptr<__base, _Dp> __hold(__a.allocate(1), _Dp(__a, 1)); |
| 1394 |
::new (__hold.get()) _FF(__f, allocator<_Fp>(__a)); |
| 1395 |
__f_ = __hold.release(); |
| 1396 |
} |
| 1397 |
} |
| 1398 |
} |
| 1399 | |
| 1400 |
template<class _Rp, class _A0, class _A1, class _A2> |
| 1401 |
template <class _Fp, class _Alloc> |
| 1402 |
function<_Rp(_A0, _A1, _A2)>::function(allocator_arg_t, const _Alloc& __a0, _Fp __f, |
| 1403 |
typename enable_if<!is_integral<_Fp>::value>::type*) |
| 1404 |
: __f_(0) |
| 1405 |
{
|
| 1406 |
typedef allocator_traits<_Alloc> __alloc_traits; |
| 1407 |
if (__function::__not_null(__f)) |
| 1408 |
{
|
| 1409 |
typedef __function::__func<_Fp, _Alloc, _Rp(_A0, _A1, _A2)> _FF; |
| 1410 |
if (sizeof(_FF) <= sizeof(__buf_)) |
| 1411 |
{
|
| 1412 |
__f_ = (__base*)&__buf_; |
| 1413 |
::new (__f_) _FF(__f, __a0); |
| 1414 |
} |
| 1415 |
else |
| 1416 |
{
|
| 1417 |
typedef typename __rebind_alloc_helper<__alloc_traits, _FF>::type _Ap; |
| 1418 |
_Ap __a(__a0); |
| 1419 |
typedef __allocator_destructor<_Ap> _Dp; |
| 1420 |
unique_ptr<__base, _Dp> __hold(__a.allocate(1), _Dp(__a, 1)); |
| 1421 |
::new (__hold.get()) _FF(__f, _Alloc(__a)); |
| 1422 |
__f_ = __hold.release(); |
| 1423 |
} |
| 1424 |
} |
| 1425 |
} |
| 1426 | |
| 1427 |
template<class _Rp, class _A0, class _A1, class _A2> |
| 1428 |
function<_Rp(_A0, _A1, _A2)>& |
| 1429 |
function<_Rp(_A0, _A1, _A2)>::operator=(const function& __f) |
| 1430 |
{
|
| 1431 |
function(__f).swap(*this); |
| 1432 |
return *this; |
| 1433 |
} |
| 1434 | |
| 1435 |
template<class _Rp, class _A0, class _A1, class _A2> |
| 1436 |
function<_Rp(_A0, _A1, _A2)>& |
| 1437 |
function<_Rp(_A0, _A1, _A2)>::operator=(nullptr_t) |
| 1438 |
{
|
| 1439 |
if (__f_ == (__base*)&__buf_) |
| 1440 |
__f_->destroy(); |
| 1441 |
else if (__f_) |
| 1442 |
__f_->destroy_deallocate(); |
| 1443 |
__f_ = 0; |
| 1444 |
return *this; |
| 1445 |
} |
| 1446 | |
| 1447 |
template<class _Rp, class _A0, class _A1, class _A2> |
| 1448 |
template <class _Fp> |
| 1449 |
typename enable_if |
| 1450 |
< |
| 1451 |
!is_integral<_Fp>::value, |
| 1452 |
function<_Rp(_A0, _A1, _A2)>& |
| 1453 |
>::type |
| 1454 |
function<_Rp(_A0, _A1, _A2)>::operator=(_Fp __f) |
| 1455 |
{
|
| 1456 |
function(_VSTD::move(__f)).swap(*this); |
| 1457 |
return *this; |
| 1458 |
} |
| 1459 | |
| 1460 |
template<class _Rp, class _A0, class _A1, class _A2> |
| 1461 |
function<_Rp(_A0, _A1, _A2)>::~function() |
| 1462 |
{
|
| 1463 |
if (__f_ == (__base*)&__buf_) |
| 1464 |
__f_->destroy(); |
| 1465 |
else if (__f_) |
| 1466 |
__f_->destroy_deallocate(); |
| 1467 |
} |
| 1468 | |
| 1469 |
template<class _Rp, class _A0, class _A1, class _A2> |
| 1470 |
void |
| 1471 |
function<_Rp(_A0, _A1, _A2)>::swap(function& __f) |
| 1472 |
{
|
| 1473 |
if (__f_ == (__base*)&__buf_ && __f.__f_ == (__base*)&__f.__buf_) |
| 1474 |
{
|
| 1475 |
typename aligned_storage<sizeof(__buf_)>::type __tempbuf; |
| 1476 |
__base* __t = (__base*)&__tempbuf; |
| 1477 |
__f_->__clone(__t); |
| 1478 |
__f_->destroy(); |
| 1479 |
__f_ = 0; |
| 1480 |
__f.__f_->__clone((__base*)&__buf_); |
| 1481 |
__f.__f_->destroy(); |
| 1482 |
__f.__f_ = 0; |
| 1483 |
__f_ = (__base*)&__buf_; |
| 1484 |
__t->__clone((__base*)&__f.__buf_); |
| 1485 |
__t->destroy(); |
| 1486 |
__f.__f_ = (__base*)&__f.__buf_; |
| 1487 |
} |
| 1488 |
else if (__f_ == (__base*)&__buf_) |
| 1489 |
{
|
| 1490 |
__f_->__clone((__base*)&__f.__buf_); |
| 1491 |
__f_->destroy(); |
| 1492 |
__f_ = __f.__f_; |
| 1493 |
__f.__f_ = (__base*)&__f.__buf_; |
| 1494 |
} |
| 1495 |
else if (__f.__f_ == (__base*)&__f.__buf_) |
| 1496 |
{
|
| 1497 |
__f.__f_->__clone((__base*)&__buf_); |
| 1498 |
__f.__f_->destroy(); |
| 1499 |
__f.__f_ = __f_; |
| 1500 |
__f_ = (__base*)&__buf_; |
| 1501 |
} |
| 1502 |
else |
| 1503 |
_VSTD::swap(__f_, __f.__f_); |
| 1504 |
} |
| 1505 | |
| 1506 |
template<class _Rp, class _A0, class _A1, class _A2> |
| 1507 |
_Rp |
| 1508 |
function<_Rp(_A0, _A1, _A2)>::operator()(_A0 __a0, _A1 __a1, _A2 __a2) const |
| 1509 |
{
|
| 1510 |
#ifndef _LIBCPP_NO_EXCEPTIONS |
| 1511 |
if (__f_ == 0) |
| 1512 |
throw bad_function_call(); |
| 1513 |
#endif // _LIBCPP_NO_EXCEPTIONS |
| 1514 |
return (*__f_)(__a0, __a1, __a2); |
| 1515 |
} |
| 1516 | |
| 1517 |
#ifndef _LIBCPP_NO_RTTI |
| 1518 | |
| 1519 |
template<class _Rp, class _A0, class _A1, class _A2> |
| 1520 |
const std::type_info& |
| 1521 |
function<_Rp(_A0, _A1, _A2)>::target_type() const |
| 1522 |
{
|
| 1523 |
if (__f_ == 0) |
| 1524 |
return typeid(void); |
| 1525 |
return __f_->target_type(); |
| 1526 |
} |
| 1527 | |
| 1528 |
template<class _Rp, class _A0, class _A1, class _A2> |
| 1529 |
template <typename _Tp> |
| 1530 |
_Tp* |
| 1531 |
function<_Rp(_A0, _A1, _A2)>::target() |
| 1532 |
{
|
| 1533 |
if (__f_ == 0) |
| 1534 |
return (_Tp*)0; |
| 1535 |
return (_Tp*)__f_->target(typeid(_Tp)); |
| 1536 |
} |
| 1537 | |
| 1538 |
template<class _Rp, class _A0, class _A1, class _A2> |
| 1539 |
template <typename _Tp> |
| 1540 |
const _Tp* |
| 1541 |
function<_Rp(_A0, _A1, _A2)>::target() const |
| 1542 |
{
|
| 1543 |
if (__f_ == 0) |
| 1544 |
return (const _Tp*)0; |
| 1545 |
return (const _Tp*)__f_->target(typeid(_Tp)); |
| 1546 |
} |
| 1547 | |
| 1548 |
#endif // _LIBCPP_NO_RTTI |
| 1549 | |
| 1550 |
template <class _Fp> |
| 1551 |
inline _LIBCPP_INLINE_VISIBILITY |
| 1552 |
bool |
| 1553 |
operator==(const function<_Fp>& __f, nullptr_t) {return !__f;}
|
| 1554 | |
| 1555 |
template <class _Fp> |
| 1556 |
inline _LIBCPP_INLINE_VISIBILITY |
| 1557 |
bool |
| 1558 |
operator==(nullptr_t, const function<_Fp>& __f) {return !__f;}
|
| 1559 | |
| 1560 |
template <class _Fp> |
| 1561 |
inline _LIBCPP_INLINE_VISIBILITY |
| 1562 |
bool |
| 1563 |
operator!=(const function<_Fp>& __f, nullptr_t) {return (bool)__f;}
|
| 1564 | |
| 1565 |
template <class _Fp> |
| 1566 |
inline _LIBCPP_INLINE_VISIBILITY |
| 1567 |
bool |
| 1568 |
operator!=(nullptr_t, const function<_Fp>& __f) {return (bool)__f;}
|
| 1569 | |
| 1570 |
template <class _Fp> |
| 1571 |
inline _LIBCPP_INLINE_VISIBILITY |
| 1572 |
void |
| 1573 |
swap(function<_Fp>& __x, function<_Fp>& __y) |
| 1574 |
{return __x.swap(__y);}
|
| 1575 | |
| 1576 |
#endif // _LIBCPP_FUNCTIONAL_03 |