libstdc++-v3/include/debug/macros.h

   1 // Debugging support implementation -*- C++ -*-
   2
   3 // Copyright (C) 2003-2018 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // Under Section 7 of GPL version 3, you are granted additional
  17 // permissions described in the GCC Runtime Library Exception, version
  18 // 3.1, as published by the Free Software Foundation.
  19
  20 // You should have received a copy of the GNU General Public License and
  21 // a copy of the GCC Runtime Library Exception along with this program;
  22 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  23 // <http://www.gnu.org/licenses/>.
  24
  25 /** @file debug/macros.h
  26  *  This file is a GNU debug extension to the Standard C++ Library.
  27  */
  28
  29 #ifndef _GLIBCXX_DEBUG_MACROS_H
  30 #define _GLIBCXX_DEBUG_MACROS_H 1
  31
  32 /**
  33  * Macros used by the implementation to verify certain
  34  * properties. These macros may only be used directly by the debug
  35  * wrappers. Note that these are macros (instead of the more obviously
  36  * @a correct choice of making them functions) because we need line and
  37  * file information at the call site, to minimize the distance between
  38  * the user error and where the error is reported.
  39  *
  40  */
  41 #define _GLIBCXX_DEBUG_VERIFY_COND_AT(_Cond,_ErrMsg,_File,_Line,_Func)  \
  42   if (! (_Cond))                                                        \
  43     __gnu_debug::_Error_formatter::_S_at(_File, _Line, _Func)           \
  44       ._ErrMsg._M_error()
  45
  46 #define _GLIBCXX_DEBUG_VERIFY_AT_F(_Cond,_ErrMsg,_File,_Line,_Func)     \
  47   do                                                                    \
  48   {                                                                     \
  49     _GLIBCXX_DEBUG_VERIFY_COND_AT(_Cond,_ErrMsg,_File,_Line,_Func);     \
  50   } while (false)
  51
  52 #define _GLIBCXX_DEBUG_VERIFY_AT(_Cond,_ErrMsg,_File,_Line)             \
  53   _GLIBCXX_DEBUG_VERIFY_AT_F(_Cond,_ErrMsg,_File,_Line,__PRETTY_FUNCTION__)
  54
  55 #define _GLIBCXX_DEBUG_VERIFY(_Cond,_ErrMsg)                            \
  56   _GLIBCXX_DEBUG_VERIFY_AT_F(_Cond, _ErrMsg, __FILE__, __LINE__,        \
  57                              __PRETTY_FUNCTION__)
  58
  59 // Verify that [_First, _Last) forms a valid iterator range.
  60 #define __glibcxx_check_valid_range(_First,_Last)                       \
  61 _GLIBCXX_DEBUG_VERIFY(__gnu_debug::__valid_range(_First, _Last),        \
  62                       _M_message(__gnu_debug::__msg_valid_range)        \
  63                       ._M_iterator(_First, #_First)                     \
  64                       ._M_iterator(_Last, #_Last))
  65
  66 #define __glibcxx_check_valid_range_at(_First,_Last,_File,_Line,_Func)  \
  67 _GLIBCXX_DEBUG_VERIFY_AT_F(__gnu_debug::__valid_range(_First, _Last),   \
  68                            _M_message(__gnu_debug::__msg_valid_range)   \
  69                            ._M_iterator(_First, #_First)                \
  70                            ._M_iterator(_Last, #_Last),                 \
  71                            _File,_Line,_Func)
  72
  73 #define __glibcxx_check_valid_range2(_First,_Last,_Dist)                \
  74 _GLIBCXX_DEBUG_VERIFY(__gnu_debug::__valid_range(_First, _Last, _Dist), \
  75                       _M_message(__gnu_debug::__msg_valid_range)        \
  76                       ._M_iterator(_First, #_First)                     \
  77                       ._M_iterator(_Last, #_Last))
  78
  79 #define __glibcxx_check_valid_constructor_range(_First,_Last)           \
  80   __gnu_debug::__check_valid_range(_First, _Last,                       \
  81                                    __FILE__, __LINE__, __PRETTY_FUNCTION__)
  82
  83 // Verify that [_First, _Last) forms a non-empty iterator range.
  84 #define __glibcxx_check_non_empty_range(_First,_Last)                   \
  85 _GLIBCXX_DEBUG_VERIFY(_First != _Last,                                  \
  86                       _M_message(__gnu_debug::__msg_non_empty_range)    \
  87                       ._M_iterator(_First, #_First)                     \
  88                       ._M_iterator(_Last, #_Last))
  89
  90 // Verify that [_First, _First + _Size) forms a valid range.
  91 #define __glibcxx_check_can_increment(_First,_Size)                     \
  92 _GLIBCXX_DEBUG_VERIFY(__gnu_debug::__can_advance(_First, _Size),        \
  93                       _M_message(__gnu_debug::__msg_iter_subscript_oob) \
  94                       ._M_iterator(_First, #_First)                     \
  95                       ._M_integer(_Size, #_Size))
  96
  97 #define __glibcxx_check_can_increment_range(_First1,_Last1,_First2)     \
  98   do                                                                    \
  99   {                                                                     \
 100     typename __gnu_debug::_Distance_traits<__decltype(_First1)>::__type __dist;\
 101     _GLIBCXX_DEBUG_VERIFY_COND_AT(                                      \
 102                         __gnu_debug::__valid_range(_First1, _Last1, __dist),\
 103                         _M_message(__gnu_debug::__msg_valid_range)      \
 104                         ._M_iterator(_First1, #_First1)                 \
 105                         ._M_iterator(_Last1, #_Last1),                  \
 106                         __FILE__,__LINE__,__PRETTY_FUNCTION__);         \
 107     _GLIBCXX_DEBUG_VERIFY_COND_AT(                                      \
 108                         __gnu_debug::__can_advance(_First2, __dist.first),\
 109                         _M_message(__gnu_debug::__msg_iter_subscript_oob)\
 110                         ._M_iterator(_First2, #_First2)                 \
 111                         ._M_integer(__dist.first),                      \
 112                         __FILE__,__LINE__,__PRETTY_FUNCTION__);         \
 113   } while(false)
 114
 115 #define __glibcxx_check_can_decrement_range(_First1,_Last1,_First2)     \
 116   do                                                                    \
 117   {                                                                     \
 118     typename __gnu_debug::_Distance_traits<__decltype(_First1)>::__type __dist;\
 119     _GLIBCXX_DEBUG_VERIFY_COND_AT(                                      \
 120                         __gnu_debug::__valid_range(_First1, _Last1, __dist),\
 121                         _M_message(__gnu_debug::__msg_valid_range)      \
 122                         ._M_iterator(_First1, #_First1)                 \
 123                         ._M_iterator(_Last1, #_Last1),                  \
 124                         __FILE__,__LINE__,__PRETTY_FUNCTION__);         \
 125     _GLIBCXX_DEBUG_VERIFY_COND_AT(                                      \
 126                         __gnu_debug::__can_advance(_First2, -__dist.first),\
 127                         _M_message(__gnu_debug::__msg_iter_subscript_oob)\
 128                         ._M_iterator(_First2, #_First2)                 \
 129                         ._M_integer(-__dist.first),                     \
 130                         __FILE__,__LINE__,__PRETTY_FUNCTION__);         \
 131   } while(false)
 132
 133 /** Verify that we can insert into *this with the iterator _Position.
 134  *  Insertion into a container at a specific position requires that
 135  *  the iterator be nonsingular, either dereferenceable or past-the-end,
 136  *  and that it reference the sequence we are inserting into. Note that
 137  *  this macro is only valid when the container is a_Safe_sequence and
 138  *  the iterator is a _Safe_iterator.
 139 */
 140 #define __glibcxx_check_insert(_Position)                               \
 141 _GLIBCXX_DEBUG_VERIFY(!_Position._M_singular(),                         \
 142                       _M_message(__gnu_debug::__msg_insert_singular)    \
 143                       ._M_sequence(*this, "this")                       \
 144                       ._M_iterator(_Position, #_Position));             \
 145 _GLIBCXX_DEBUG_VERIFY(_Position._M_attached_to(this),                   \
 146                       _M_message(__gnu_debug::__msg_insert_different)   \
 147                       ._M_sequence(*this, "this")                       \
 148                       ._M_iterator(_Position, #_Position))
 149
 150 /** Verify that we can insert into *this after the iterator _Position.
 151  *  Insertion into a container after a specific position requires that
 152  *  the iterator be nonsingular, either dereferenceable or before-begin,
 153  *  and that it reference the sequence we are inserting into. Note that
 154  *  this macro is only valid when the container is a_Safe_sequence and
 155  *  the iterator is a _Safe_iterator.
 156 */
 157 #define __glibcxx_check_insert_after(_Position)                         \
 158 __glibcxx_check_insert(_Position);                                      \
 159 _GLIBCXX_DEBUG_VERIFY(!_Position._M_is_end(),                           \
 160                       _M_message(__gnu_debug::__msg_insert_after_end)   \
 161                       ._M_sequence(*this, "this")                       \
 162                       ._M_iterator(_Position, #_Position))
 163
 164 /** Verify that we can insert the values in the iterator range
 165  *  [_First, _Last) into *this with the iterator _Position.  Insertion
 166  *  into a container at a specific position requires that the iterator
 167  *  be nonsingular (i.e., either dereferenceable or past-the-end),
 168  *  that it reference the sequence we are inserting into, and that the
 169  *  iterator range [_First, _Last) is a valid (possibly empty)
 170  *  range which does not reference the sequence we are inserting into.
 171  *  Note that this macro is only valid when the container is a
 172  *  _Safe_sequence and the _Position iterator is a _Safe_iterator.
 173 */
 174 #define __glibcxx_check_insert_range(_Position,_First,_Last,_Dist)      \
 175 __glibcxx_check_valid_range2(_First,_Last,_Dist);                       \
 176 __glibcxx_check_insert(_Position);                                      \
 177 _GLIBCXX_DEBUG_VERIFY(__gnu_debug::__foreign_iterator(_Position,_First,_Last),\
 178                       _M_message(__gnu_debug::__msg_insert_range_from_self)\
 179                       ._M_iterator(_First, #_First)                     \
 180                       ._M_iterator(_Last, #_Last)                       \
 181                       ._M_sequence(*this, "this"))
 182
 183 /** Verify that we can insert the values in the iterator range
 184  *  [_First, _Last) into *this after the iterator _Position.  Insertion
 185  *  into a container after a specific position requires that the iterator
 186  *  be nonsingular (i.e., either dereferenceable or past-the-end),
 187  *  that it reference the sequence we are inserting into, and that the
 188  *  iterator range [_First, _Last) is a valid (possibly empty)
 189  *  range which does not reference the sequence we are inserting into.
 190  *  Note that this macro is only valid when the container is a
 191  *  _Safe_sequence and the _Position iterator is a _Safe_iterator.
 192 */
 193 #define __glibcxx_check_insert_range_after(_Position,_First,_Last,_Dist)\
 194 __glibcxx_check_valid_range2(_First,_Last,_Dist);                       \
 195 __glibcxx_check_insert_after(_Position);                                \
 196 _GLIBCXX_DEBUG_VERIFY(__gnu_debug::__foreign_iterator(_Position,_First,_Last),\
 197                       _M_message(__gnu_debug::__msg_insert_range_from_self)\
 198                       ._M_iterator(_First, #_First)                     \
 199                       ._M_iterator(_Last, #_Last)                       \
 200                       ._M_sequence(*this, "this"))
 201
 202 /** Verify that we can erase the element referenced by the iterator
 203  * _Position. We can erase the element if the _Position iterator is
 204  * dereferenceable and references this sequence.
 205 */
 206 #define __glibcxx_check_erase(_Position)                                \
 207 _GLIBCXX_DEBUG_VERIFY(_Position._M_dereferenceable(),                   \
 208                       _M_message(__gnu_debug::__msg_erase_bad)          \
 209                       ._M_sequence(*this, "this")                       \
 210                       ._M_iterator(_Position, #_Position));             \
 211 _GLIBCXX_DEBUG_VERIFY(_Position._M_attached_to(this),                   \
 212                       _M_message(__gnu_debug::__msg_erase_different)    \
 213                       ._M_sequence(*this, "this")                       \
 214                       ._M_iterator(_Position, #_Position))
 215
 216 /** Verify that we can erase the element after the iterator
 217  * _Position. We can erase the element if the _Position iterator is
 218  * before a dereferenceable one and references this sequence.
 219 */
 220 #define __glibcxx_check_erase_after(_Position)                          \
 221 _GLIBCXX_DEBUG_VERIFY(_Position._M_before_dereferenceable(),            \
 222                       _M_message(__gnu_debug::__msg_erase_after_bad)    \
 223                       ._M_sequence(*this, "this")                       \
 224                       ._M_iterator(_Position, #_Position));             \
 225 _GLIBCXX_DEBUG_VERIFY(_Position._M_attached_to(this),                   \
 226                       _M_message(__gnu_debug::__msg_erase_different)    \
 227                       ._M_sequence(*this, "this")                       \
 228                       ._M_iterator(_Position, #_Position))
 229
 230 /** Verify that we can erase the elements in the iterator range
 231  *  [_First, _Last). We can erase the elements if [_First, _Last) is a
 232  *  valid iterator range within this sequence.
 233 */
 234 #define __glibcxx_check_erase_range(_First,_Last)                       \
 235 __glibcxx_check_valid_range(_First,_Last);                              \
 236 _GLIBCXX_DEBUG_VERIFY(_First._M_attached_to(this),                      \
 237                       _M_message(__gnu_debug::__msg_erase_different)    \
 238                       ._M_sequence(*this, "this")                       \
 239                       ._M_iterator(_First, #_First)                     \
 240                       ._M_iterator(_Last, #_Last))
 241
 242 /** Verify that we can erase the elements in the iterator range
 243  *  (_First, _Last). We can erase the elements if (_First, _Last) is a
 244  *  valid iterator range within this sequence.
 245 */
 246 #define __glibcxx_check_erase_range_after(_First,_Last)                 \
 247 _GLIBCXX_DEBUG_VERIFY(_First._M_can_compare(_Last),                     \
 248                       _M_message(__gnu_debug::__msg_erase_different)    \
 249                       ._M_sequence(*this, "this")                       \
 250                       ._M_iterator(_First, #_First)                     \
 251                       ._M_iterator(_Last, #_Last));                     \
 252 _GLIBCXX_DEBUG_VERIFY(_First._M_attached_to(this),                      \
 253                       _M_message(__gnu_debug::__msg_erase_different)    \
 254                       ._M_sequence(*this, "this")                       \
 255                       ._M_iterator(_First, #_First));                   \
 256 _GLIBCXX_DEBUG_VERIFY(_First != _Last,                                  \
 257                       _M_message(__gnu_debug::__msg_valid_range2)       \
 258                       ._M_sequence(*this, "this")                       \
 259                       ._M_iterator(_First, #_First)                     \
 260                       ._M_iterator(_Last, #_Last));                     \
 261 _GLIBCXX_DEBUG_VERIFY(_First._M_incrementable(),                        \
 262                       _M_message(__gnu_debug::__msg_valid_range2)       \
 263                       ._M_sequence(*this, "this")                       \
 264                       ._M_iterator(_First, #_First)                     \
 265                       ._M_iterator(_Last, #_Last));                     \
 266 _GLIBCXX_DEBUG_VERIFY(!_Last._M_is_before_begin(),                      \
 267                       _M_message(__gnu_debug::__msg_valid_range2)       \
 268                       ._M_sequence(*this, "this")                       \
 269                       ._M_iterator(_First, #_First)                     \
 270                       ._M_iterator(_Last, #_Last))                      \
 271
 272 // Verify that the subscript _N is less than the container's size.
 273 #define __glibcxx_check_subscript(_N)                                   \
 274 _GLIBCXX_DEBUG_VERIFY(_N < this->size(),                                \
 275                       _M_message(__gnu_debug::__msg_subscript_oob)      \
 276                       ._M_sequence(*this, "this")                       \
 277                       ._M_integer(_N, #_N)                              \
 278                       ._M_integer(this->size(), "size"))
 279
 280 // Verify that the bucket _N is less than the container's buckets count.
 281 #define __glibcxx_check_bucket_index(_N)                                \
 282 _GLIBCXX_DEBUG_VERIFY(_N < this->bucket_count(),                        \
 283                       _M_message(__gnu_debug::__msg_bucket_index_oob)   \
 284                       ._M_sequence(*this, "this")                       \
 285                       ._M_integer(_N, #_N)                              \
 286                       ._M_integer(this->bucket_count(), "size"))
 287
 288 // Verify that the container is nonempty
 289 #define __glibcxx_check_nonempty()                                      \
 290 _GLIBCXX_DEBUG_VERIFY(! this->empty(),                                  \
 291                       _M_message(__gnu_debug::__msg_empty)              \
 292                       ._M_sequence(*this, "this"))
 293
 294 // Verify that the iterator range [_First, _Last) is sorted
 295 #define __glibcxx_check_sorted(_First,_Last)                            \
 296 __glibcxx_check_valid_range(_First,_Last);                              \
 297  _GLIBCXX_DEBUG_VERIFY(__gnu_debug::__check_sorted(                     \
 298                         __gnu_debug::__base(_First),                    \
 299                         __gnu_debug::__base(_Last)),                    \
 300                       _M_message(__gnu_debug::__msg_unsorted)           \
 301                       ._M_iterator(_First, #_First)                     \
 302                       ._M_iterator(_Last, #_Last))
 303
 304 /** Verify that the iterator range [_First, _Last) is sorted by the
 305     predicate _Pred. */
 306 #define __glibcxx_check_sorted_pred(_First,_Last,_Pred)                 \
 307 __glibcxx_check_valid_range(_First,_Last);                              \
 308 _GLIBCXX_DEBUG_VERIFY(__gnu_debug::__check_sorted(                      \
 309                         __gnu_debug::__base(_First),                    \
 310                         __gnu_debug::__base(_Last), _Pred),             \
 311                       _M_message(__gnu_debug::__msg_unsorted_pred)      \
 312                       ._M_iterator(_First, #_First)                     \
 313                       ._M_iterator(_Last, #_Last)                       \
 314                       ._M_string(#_Pred))
 315
 316 // Special variant for std::merge, std::includes, std::set_*
 317 #define __glibcxx_check_sorted_set(_First1,_Last1,_First2)              \
 318 __glibcxx_check_valid_range(_First1,_Last1);                            \
 319 _GLIBCXX_DEBUG_VERIFY(                                                  \
 320   __gnu_debug::__check_sorted_set(__gnu_debug::__base(_First1),         \
 321                                   __gnu_debug::__base(_Last1), _First2),\
 322   _M_message(__gnu_debug::__msg_unsorted)                               \
 323   ._M_iterator(_First1, #_First1)                                       \
 324   ._M_iterator(_Last1, #_Last1))
 325
 326 // Likewise with a _Pred.
 327 #define __glibcxx_check_sorted_set_pred(_First1,_Last1,_First2,_Pred)   \
 328 __glibcxx_check_valid_range(_First1,_Last1);                            \
 329 _GLIBCXX_DEBUG_VERIFY(                                                  \
 330   __gnu_debug::__check_sorted_set(__gnu_debug::__base(_First1),         \
 331                                   __gnu_debug::__base(_Last1),          \
 332                                   _First2, _Pred),                      \
 333   _M_message(__gnu_debug::__msg_unsorted_pred)                          \
 334   ._M_iterator(_First1, #_First1)                                       \
 335   ._M_iterator(_Last1, #_Last1)                                         \
 336   ._M_string(#_Pred))
 337
 338 /** Verify that the iterator range [_First, _Last) is partitioned
 339     w.r.t. the value _Value. */
 340 #define __glibcxx_check_partitioned_lower(_First,_Last,_Value)          \
 341 __glibcxx_check_valid_range(_First,_Last);                              \
 342 _GLIBCXX_DEBUG_VERIFY(__gnu_debug::__check_partitioned_lower(           \
 343                         __gnu_debug::__base(_First),                    \
 344                         __gnu_debug::__base(_Last), _Value),            \
 345                       _M_message(__gnu_debug::__msg_unpartitioned)      \
 346                       ._M_iterator(_First, #_First)                     \
 347                       ._M_iterator(_Last, #_Last)                       \
 348                       ._M_string(#_Value))
 349
 350 #define __glibcxx_check_partitioned_upper(_First,_Last,_Value)          \
 351 __glibcxx_check_valid_range(_First,_Last);                              \
 352 _GLIBCXX_DEBUG_VERIFY(__gnu_debug::__check_partitioned_upper(           \
 353                         __gnu_debug::__base(_First),                    \
 354                         __gnu_debug::__base(_Last), _Value),            \
 355                       _M_message(__gnu_debug::__msg_unpartitioned)      \
 356                       ._M_iterator(_First, #_First)                     \
 357                       ._M_iterator(_Last, #_Last)                       \
 358                       ._M_string(#_Value))
 359
 360 /** Verify that the iterator range [_First, _Last) is partitioned
 361     w.r.t. the value _Value and predicate _Pred. */
 362 #define __glibcxx_check_partitioned_lower_pred(_First,_Last,_Value,_Pred) \
 363 __glibcxx_check_valid_range(_First,_Last);                              \
 364 _GLIBCXX_DEBUG_VERIFY(__gnu_debug::__check_partitioned_lower(           \
 365                         __gnu_debug::__base(_First),                    \
 366                         __gnu_debug::__base(_Last), _Value, _Pred),     \
 367                       _M_message(__gnu_debug::__msg_unpartitioned_pred) \
 368                       ._M_iterator(_First, #_First)                     \
 369                       ._M_iterator(_Last, #_Last)                       \
 370                       ._M_string(#_Pred)                                \
 371                       ._M_string(#_Value))
 372
 373 /** Verify that the iterator range [_First, _Last) is partitioned
 374     w.r.t. the value _Value and predicate _Pred. */
 375 #define __glibcxx_check_partitioned_upper_pred(_First,_Last,_Value,_Pred) \
 376 __glibcxx_check_valid_range(_First,_Last);                              \
 377 _GLIBCXX_DEBUG_VERIFY(__gnu_debug::__check_partitioned_upper(           \
 378                         __gnu_debug::__base(_First),                    \
 379                         __gnu_debug::__base(_Last), _Value, _Pred),     \
 380                       _M_message(__gnu_debug::__msg_unpartitioned_pred) \
 381                       ._M_iterator(_First, #_First)                     \
 382                       ._M_iterator(_Last, #_Last)                       \
 383                       ._M_string(#_Pred)                                \
 384                       ._M_string(#_Value))
 385
 386 // Verify that the iterator range [_First, _Last) is a heap
 387 #define __glibcxx_check_heap(_First,_Last)                              \
 388   _GLIBCXX_DEBUG_VERIFY(std::__is_heap(__gnu_debug::__base(_First),     \
 389                                        __gnu_debug::__base(_Last)),     \
 390                       _M_message(__gnu_debug::__msg_not_heap)           \
 391                       ._M_iterator(_First, #_First)                     \
 392                       ._M_iterator(_Last, #_Last))
 393
 394 /** Verify that the iterator range [_First, _Last) is a heap
 395     w.r.t. the predicate _Pred. */
 396 #define __glibcxx_check_heap_pred(_First,_Last,_Pred)                   \
 397   _GLIBCXX_DEBUG_VERIFY(std::__is_heap(__gnu_debug::__base(_First),     \
 398                                        __gnu_debug::__base(_Last),      \
 399                                        _Pred),                          \
 400                       _M_message(__gnu_debug::__msg_not_heap_pred)      \
 401                       ._M_iterator(_First, #_First)                     \
 402                       ._M_iterator(_Last, #_Last)                       \
 403                       ._M_string(#_Pred))
 404
 405 // Verify that the container is not self move assigned
 406 #define __glibcxx_check_self_move_assign(_Other)                        \
 407 _GLIBCXX_DEBUG_VERIFY(this != &_Other,                                  \
 408                       _M_message(__gnu_debug::__msg_self_move_assign)   \
 409                       ._M_sequence(*this, "this"))
 410
 411 // Verify that load factor is positive
 412 #define __glibcxx_check_max_load_factor(_F)                             \
 413 _GLIBCXX_DEBUG_VERIFY(_F > 0.0f,                                        \
 414                       _M_message(__gnu_debug::__msg_valid_load_factor)  \
 415                       ._M_sequence(*this, "this"))
 416
 417 #define __glibcxx_check_equal_allocs(_This, _Other)                     \
 418 _GLIBCXX_DEBUG_VERIFY(_This.get_allocator() == _Other.get_allocator(),  \
 419                       _M_message(__gnu_debug::__msg_equal_allocs)       \
 420                       ._M_sequence(_This, "this"))
 421
 422 #define __glibcxx_check_string(_String) _GLIBCXX_DEBUG_PEDASSERT(_String != 0)
 423 #define __glibcxx_check_string_len(_String,_Len) \
 424   _GLIBCXX_DEBUG_PEDASSERT(_String != 0 || _Len == 0)
 425
 426 // Verify that a predicate is irreflexive
 427 #define __glibcxx_check_irreflexive(_First,_Last)                       \
 428   _GLIBCXX_DEBUG_VERIFY(_First == _Last || !(*_First < *_First),        \
 429                         _M_message(__gnu_debug::__msg_irreflexive_ordering) \
 430                         ._M_iterator_value_type(_First, "< operator type"))
 431
 432 #if __cplusplus >= 201103L
 433 # define __glibcxx_check_irreflexive2(_First,_Last)                     \
 434   _GLIBCXX_DEBUG_VERIFY(_First == _Last                                 \
 435                         || __gnu_debug::__is_irreflexive(_First),       \
 436                         _M_message(__gnu_debug::__msg_irreflexive_ordering) \
 437                         ._M_iterator_value_type(_First, "< operator type"))
 438 #else
 439 # define __glibcxx_check_irreflexive2(_First,_Last)
 440 #endif
 441
 442 #define __glibcxx_check_irreflexive_pred(_First,_Last,_Pred)            \
 443   _GLIBCXX_DEBUG_VERIFY(_First == _Last || !_Pred(*_First, *_First),            \
 444                         _M_message(__gnu_debug::__msg_irreflexive_ordering) \
 445                         ._M_instance(_Pred, "functor")                  \
 446                         ._M_iterator_value_type(_First, "ordered type"))
 447
 448 #if __cplusplus >= 201103L
 449 # define __glibcxx_check_irreflexive_pred2(_First,_Last,_Pred)          \
 450   _GLIBCXX_DEBUG_VERIFY(_First == _Last                                 \
 451                         ||__gnu_debug::__is_irreflexive_pred(_First, _Pred), \
 452                         _M_message(__gnu_debug::__msg_irreflexive_ordering) \
 453                         ._M_instance(_Pred, "functor")                  \
 454                         ._M_iterator_value_type(_First, "ordered type"))
 455 #else
 456 # define __glibcxx_check_irreflexive_pred2(_First,_Last,_Pred)
 457 #endif
 458
 459 #endif