1 // Debugging support implementation -*- C++ -*-
2
3 // Copyright (C) 2003-2023 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 (__builtin_expect(!bool(_Cond), false)) \
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 __glibcxx_constexpr_assert(_Cond); \
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_dist(_First,_Dist,_Way) \
98 _GLIBCXX_DEBUG_VERIFY(__gnu_debug::__can_advance(_First, _Dist, _Way), \
99 _M_message(__gnu_debug::__msg_iter_subscript_oob) \
100 ._M_iterator(_First, #_First) \
101 ._M_integer(_Way * _Dist.first, #_Dist))
102
103 #define __glibcxx_check_can_increment_range(_First1,_Last1,_First2) \
104 do \
105 { \
106 typename __gnu_debug::_Distance_traits<__decltype(_First1)>::__type __dist;\
107 _GLIBCXX_DEBUG_VERIFY_AT_F( \
108 __gnu_debug::__valid_range(_First1, _Last1, __dist),\
109 _M_message(__gnu_debug::__msg_valid_range) \
110 ._M_iterator(_First1, #_First1) \
111 ._M_iterator(_Last1, #_Last1), \
112 __FILE__,__LINE__,__PRETTY_FUNCTION__); \
113 _GLIBCXX_DEBUG_VERIFY_AT_F( \
114 __gnu_debug::__can_advance(_First2, __dist, 1), \
115 _M_message(__gnu_debug::__msg_iter_subscript_oob)\
116 ._M_iterator(_First2, #_First2) \
117 ._M_integer(__dist.first), \
118 __FILE__,__LINE__,__PRETTY_FUNCTION__); \
119 } while(false)
120
121 #define __glibcxx_check_can_decrement_range(_First1,_Last1,_First2) \
122 do \
123 { \
124 typename __gnu_debug::_Distance_traits<__decltype(_First1)>::__type __dist;\
125 _GLIBCXX_DEBUG_VERIFY_AT_F( \
126 __gnu_debug::__valid_range(_First1, _Last1, __dist),\
127 _M_message(__gnu_debug::__msg_valid_range) \
128 ._M_iterator(_First1, #_First1) \
129 ._M_iterator(_Last1, #_Last1), \
130 __FILE__,__LINE__,__PRETTY_FUNCTION__); \
131 _GLIBCXX_DEBUG_VERIFY_AT_F( \
132 __gnu_debug::__can_advance(_First2, __dist, -1), \
133 _M_message(__gnu_debug::__msg_iter_subscript_oob)\
134 ._M_iterator(_First2, #_First2) \
135 ._M_integer(-__dist.first), \
136 __FILE__,__LINE__,__PRETTY_FUNCTION__); \
137 } while(false)
138
139 /** Verify that we can insert into *this with the iterator _Position.
140 * Insertion into a container at a specific position requires that
141 * the iterator be nonsingular, either dereferenceable or past-the-end,
142 * and that it reference the sequence we are inserting into. Note that
143 * this macro is only valid when the container is a_Safe_sequence and
144 * the iterator is a _Safe_iterator.
145 */
146 #define __glibcxx_check_insert(_Position) \
147 _GLIBCXX_DEBUG_VERIFY(!_Position._M_singular(), \
148 _M_message(__gnu_debug::__msg_insert_singular) \
149 ._M_sequence(*this, "this") \
150 ._M_iterator(_Position, #_Position)); \
151 _GLIBCXX_DEBUG_VERIFY(_Position._M_attached_to(this), \
152 _M_message(__gnu_debug::__msg_insert_different) \
153 ._M_sequence(*this, "this") \
154 ._M_iterator(_Position, #_Position))
155
156 /** Verify that we can insert into *this after the iterator _Position.
157 * Insertion into a container after a specific position requires that
158 * the iterator be nonsingular, either dereferenceable or before-begin,
159 * and that it reference the sequence we are inserting into. Note that
160 * this macro is only valid when the container is a_Safe_sequence and
161 * the iterator is a _Safe_iterator.
162 */
163 #define __glibcxx_check_insert_after(_Position) \
164 __glibcxx_check_insert(_Position); \
165 _GLIBCXX_DEBUG_VERIFY(!_Position._M_is_end(), \
166 _M_message(__gnu_debug::__msg_insert_after_end) \
167 ._M_sequence(*this, "this") \
168 ._M_iterator(_Position, #_Position))
169
170 /** Verify that we can insert the values in the iterator range
171 * [_First, _Last) into *this with the iterator _Position. Insertion
172 * into a container at a specific position requires that the iterator
173 * be nonsingular (i.e., either dereferenceable or past-the-end),
174 * that it reference the sequence we are inserting into, and that the
175 * iterator range [_First, _Last) is a valid (possibly empty)
176 * range which does not reference the sequence we are inserting into.
177 * Note that this macro is only valid when the container is a
178 * _Safe_sequence and the _Position iterator is a _Safe_iterator.
179 */
180 #define __glibcxx_check_insert_range(_Position,_First,_Last,_Dist) \
181 __glibcxx_check_valid_range2(_First,_Last,_Dist); \
182 __glibcxx_check_insert(_Position); \
183 _GLIBCXX_DEBUG_VERIFY(__gnu_debug::__foreign_iterator(_Position,_First,_Last),\
184 _M_message(__gnu_debug::__msg_insert_range_from_self)\
185 ._M_iterator(_First, #_First) \
186 ._M_iterator(_Last, #_Last) \
187 ._M_sequence(*this, "this"))
188
189 /** Verify that we can insert the values in the iterator range
190 * [_First, _Last) into *this after the iterator _Position. Insertion
191 * into a container after a specific position requires that the iterator
192 * be nonsingular (i.e., either dereferenceable or past-the-end),
193 * that it reference the sequence we are inserting into, and that the
194 * iterator range [_First, _Last) is a valid (possibly empty)
195 * range which does not reference the sequence we are inserting into.
196 * Note that this macro is only valid when the container is a
197 * _Safe_sequence and the _Position iterator is a _Safe_iterator.
198 */
199 #define __glibcxx_check_insert_range_after(_Position,_First,_Last,_Dist)\
200 __glibcxx_check_valid_range2(_First,_Last,_Dist); \
201 __glibcxx_check_insert_after(_Position); \
202 _GLIBCXX_DEBUG_VERIFY(__gnu_debug::__foreign_iterator(_Position,_First,_Last),\
203 _M_message(__gnu_debug::__msg_insert_range_from_self)\
204 ._M_iterator(_First, #_First) \
205 ._M_iterator(_Last, #_Last) \
206 ._M_sequence(*this, "this"))
207
208 /** Verify that we can erase the element referenced by the iterator
209 * _Position. We can erase the element if the _Position iterator is
210 * dereferenceable and references this sequence.
211 */
212 #define __glibcxx_check_erase(_Position) \
213 _GLIBCXX_DEBUG_VERIFY(_Position._M_dereferenceable(), \
214 _M_message(__gnu_debug::__msg_erase_bad) \
215 ._M_sequence(*this, "this") \
216 ._M_iterator(_Position, #_Position)); \
217 _GLIBCXX_DEBUG_VERIFY(_Position._M_attached_to(this), \
218 _M_message(__gnu_debug::__msg_erase_different) \
219 ._M_sequence(*this, "this") \
220 ._M_iterator(_Position, #_Position))
221
222 #if __cplusplus >= 201103L
223 # define __glibcxx_check_erase2(_CPosition) \
224 _GLIBCXX_DEBUG_VERIFY(_CPosition != _M_base().cend(), \
225 _M_message(__gnu_debug::__msg_erase_bad) \
226 ._M_sequence(*this, "this") \
227 ._M_iterator(_CPosition, #_CPosition));
228 #endif
229
230 /** Verify that we can erase the element after the iterator
231 * _Position. We can erase the element if the _Position iterator is
232 * before a dereferenceable one and references this sequence.
233 */
234 #define __glibcxx_check_erase_after(_Position) \
235 _GLIBCXX_DEBUG_VERIFY(_Position._M_before_dereferenceable(), \
236 _M_message(__gnu_debug::__msg_erase_after_bad) \
237 ._M_sequence(*this, "this") \
238 ._M_iterator(_Position, #_Position)); \
239 _GLIBCXX_DEBUG_VERIFY(_Position._M_attached_to(this), \
240 _M_message(__gnu_debug::__msg_erase_different) \
241 ._M_sequence(*this, "this") \
242 ._M_iterator(_Position, #_Position))
243
244 /** Verify that we can erase the elements in the iterator range
245 * [_First, _Last). We can erase the elements if [_First, _Last) is a
246 * valid iterator range within this sequence.
247 */
248 #define __glibcxx_check_erase_range(_First,_Last) \
249 __glibcxx_check_valid_range(_First,_Last); \
250 _GLIBCXX_DEBUG_VERIFY(_First._M_attached_to(this), \
251 _M_message(__gnu_debug::__msg_erase_different) \
252 ._M_sequence(*this, "this") \
253 ._M_iterator(_First, #_First) \
254 ._M_iterator(_Last, #_Last))
255
256 /** Verify that we can erase the elements in the iterator range
257 * (_First, _Last). We can erase the elements if (_First, _Last) is a
258 * valid iterator range within this sequence.
259 */
260 #define __glibcxx_check_erase_range_after(_First,_Last) \
261 _GLIBCXX_DEBUG_VERIFY(!_First._M_singular() && !_Last._M_singular(), \
262 _M_message(__gnu_debug::__msg_erase_different) \
263 ._M_sequence(*this, "this") \
264 ._M_iterator(_First, #_First) \
265 ._M_iterator(_Last, #_Last)); \
266 _GLIBCXX_DEBUG_VERIFY(_First._M_can_compare(_Last), \
267 _M_message(__gnu_debug::__msg_erase_different) \
268 ._M_sequence(*this, "this") \
269 ._M_iterator(_First, #_First) \
270 ._M_iterator(_Last, #_Last)); \
271 _GLIBCXX_DEBUG_VERIFY(_First._M_attached_to(this), \
272 _M_message(__gnu_debug::__msg_erase_different) \
273 ._M_sequence(*this, "this") \
274 ._M_iterator(_First, #_First)); \
275 _GLIBCXX_DEBUG_VERIFY(_First != _Last, \
276 _M_message(__gnu_debug::__msg_valid_range2) \
277 ._M_sequence(*this, "this") \
278 ._M_iterator(_First, #_First) \
279 ._M_iterator(_Last, #_Last)); \
280 _GLIBCXX_DEBUG_VERIFY(_First._M_incrementable(), \
281 _M_message(__gnu_debug::__msg_valid_range2) \
282 ._M_sequence(*this, "this") \
283 ._M_iterator(_First, #_First) \
284 ._M_iterator(_Last, #_Last)); \
285 _GLIBCXX_DEBUG_VERIFY(!_Last._M_is_before_begin(), \
286 _M_message(__gnu_debug::__msg_valid_range2) \
287 ._M_sequence(*this, "this") \
288 ._M_iterator(_First, #_First) \
289 ._M_iterator(_Last, #_Last)) \
290
291 // Verify that the subscript _N is less than the container's size.
292 #define __glibcxx_check_subscript(_N) \
293 _GLIBCXX_DEBUG_VERIFY(_N < this->size(), \
294 _M_message(__gnu_debug::__msg_subscript_oob) \
295 ._M_sequence(*this, "this") \
296 ._M_integer(_N, #_N) \
297 ._M_integer(this->size(), "size"))
298
299 // Verify that the bucket _N is less than the container's buckets count.
300 #define __glibcxx_check_bucket_index(_N) \
301 _GLIBCXX_DEBUG_VERIFY(_N < this->bucket_count(), \
302 _M_message(__gnu_debug::__msg_bucket_index_oob) \
303 ._M_sequence(*this, "this") \
304 ._M_integer(_N, #_N) \
305 ._M_integer(this->bucket_count(), "size"))
306
307 // Verify that the container is nonempty
308 #define __glibcxx_check_nonempty() \
309 _GLIBCXX_DEBUG_VERIFY(! this->empty(), \
310 _M_message(__gnu_debug::__msg_empty) \
311 ._M_sequence(*this, "this"))
312
313 // Verify that a predicate is irreflexive
314 #define __glibcxx_check_irreflexive(_First,_Last) \
315 _GLIBCXX_DEBUG_VERIFY(_First == _Last || !(*_First < *_First), \
316 _M_message(__gnu_debug::__msg_irreflexive_ordering) \
317 ._M_iterator_value_type(_First, "< operator type"))
318
319 #if __cplusplus >= 201103L
320 # define __glibcxx_check_irreflexive2(_First,_Last) \
321 _GLIBCXX_DEBUG_VERIFY(_First == _Last \
322 || __gnu_debug::__is_irreflexive(_First), \
323 _M_message(__gnu_debug::__msg_irreflexive_ordering) \
324 ._M_iterator_value_type(_First, "< operator type"))
325 #else
326 # define __glibcxx_check_irreflexive2(_First,_Last)
327 #endif
328
329 #define __glibcxx_check_irreflexive_pred(_First,_Last,_Pred) \
330 _GLIBCXX_DEBUG_VERIFY(_First == _Last || !_Pred(*_First, *_First), \
331 _M_message(__gnu_debug::__msg_irreflexive_ordering) \
332 ._M_instance(_Pred, "functor") \
333 ._M_iterator_value_type(_First, "ordered type"))
334
335 #if __cplusplus >= 201103L
336 # define __glibcxx_check_irreflexive_pred2(_First,_Last,_Pred) \
337 _GLIBCXX_DEBUG_VERIFY(_First == _Last \
338 ||__gnu_debug::__is_irreflexive_pred(_First, _Pred), \
339 _M_message(__gnu_debug::__msg_irreflexive_ordering) \
340 ._M_instance(_Pred, "functor") \
341 ._M_iterator_value_type(_First, "ordered type"))
342 #else
343 # define __glibcxx_check_irreflexive_pred2(_First,_Last,_Pred)
344 #endif
345
346 // Verify that the iterator range [_First, _Last) is sorted
347 #define __glibcxx_check_sorted(_First,_Last) \
348 __glibcxx_check_valid_range(_First,_Last); \
349 __glibcxx_check_irreflexive(_First,_Last); \
350 _GLIBCXX_DEBUG_VERIFY(__gnu_debug::__check_sorted( \
351 __gnu_debug::__base(_First), \
352 __gnu_debug::__base(_Last)), \
353 _M_message(__gnu_debug::__msg_unsorted) \
354 ._M_iterator(_First, #_First) \
355 ._M_iterator(_Last, #_Last))
356
357 /** Verify that the iterator range [_First, _Last) is sorted by the
358 predicate _Pred. */
359 #define __glibcxx_check_sorted_pred(_First,_Last,_Pred) \
360 __glibcxx_check_valid_range(_First,_Last); \
361 __glibcxx_check_irreflexive_pred(_First,_Last,_Pred); \
362 _GLIBCXX_DEBUG_VERIFY(__gnu_debug::__check_sorted( \
363 __gnu_debug::__base(_First), \
364 __gnu_debug::__base(_Last), _Pred), \
365 _M_message(__gnu_debug::__msg_unsorted_pred) \
366 ._M_iterator(_First, #_First) \
367 ._M_iterator(_Last, #_Last) \
368 ._M_string(#_Pred))
369
370 // Special variant for std::merge, std::includes, std::set_*
371 #define __glibcxx_check_sorted_set(_First1,_Last1,_First2) \
372 __glibcxx_check_valid_range(_First1,_Last1); \
373 _GLIBCXX_DEBUG_VERIFY( \
374 __gnu_debug::__check_sorted_set(__gnu_debug::__base(_First1), \
375 __gnu_debug::__base(_Last1), _First2),\
376 _M_message(__gnu_debug::__msg_unsorted) \
377 ._M_iterator(_First1, #_First1) \
378 ._M_iterator(_Last1, #_Last1))
379
380 // Likewise with a _Pred.
381 #define __glibcxx_check_sorted_set_pred(_First1,_Last1,_First2,_Pred) \
382 __glibcxx_check_valid_range(_First1,_Last1); \
383 _GLIBCXX_DEBUG_VERIFY( \
384 __gnu_debug::__check_sorted_set(__gnu_debug::__base(_First1), \
385 __gnu_debug::__base(_Last1), \
386 _First2, _Pred), \
387 _M_message(__gnu_debug::__msg_unsorted_pred) \
388 ._M_iterator(_First1, #_First1) \
389 ._M_iterator(_Last1, #_Last1) \
390 ._M_string(#_Pred))
391
392 /** Verify that the iterator range [_First, _Last) is partitioned
393 w.r.t. the value _Value. */
394 #define __glibcxx_check_partitioned_lower(_First,_Last,_Value) \
395 __glibcxx_check_valid_range(_First,_Last); \
396 _GLIBCXX_DEBUG_VERIFY(__gnu_debug::__check_partitioned_lower( \
397 __gnu_debug::__base(_First), \
398 __gnu_debug::__base(_Last), _Value), \
399 _M_message(__gnu_debug::__msg_unpartitioned) \
400 ._M_iterator(_First, #_First) \
401 ._M_iterator(_Last, #_Last) \
402 ._M_string(#_Value))
403
404 #define __glibcxx_check_partitioned_upper(_First,_Last,_Value) \
405 __glibcxx_check_valid_range(_First,_Last); \
406 _GLIBCXX_DEBUG_VERIFY(__gnu_debug::__check_partitioned_upper( \
407 __gnu_debug::__base(_First), \
408 __gnu_debug::__base(_Last), _Value), \
409 _M_message(__gnu_debug::__msg_unpartitioned) \
410 ._M_iterator(_First, #_First) \
411 ._M_iterator(_Last, #_Last) \
412 ._M_string(#_Value))
413
414 /** Verify that the iterator range [_First, _Last) is partitioned
415 w.r.t. the value _Value and predicate _Pred. */
416 #define __glibcxx_check_partitioned_lower_pred(_First,_Last,_Value,_Pred) \
417 __glibcxx_check_valid_range(_First,_Last); \
418 _GLIBCXX_DEBUG_VERIFY(__gnu_debug::__check_partitioned_lower( \
419 __gnu_debug::__base(_First), \
420 __gnu_debug::__base(_Last), _Value, _Pred), \
421 _M_message(__gnu_debug::__msg_unpartitioned_pred) \
422 ._M_iterator(_First, #_First) \
423 ._M_iterator(_Last, #_Last) \
424 ._M_string(#_Pred) \
425 ._M_string(#_Value))
426
427 /** Verify that the iterator range [_First, _Last) is partitioned
428 w.r.t. the value _Value and predicate _Pred. */
429 #define __glibcxx_check_partitioned_upper_pred(_First,_Last,_Value,_Pred) \
430 __glibcxx_check_valid_range(_First,_Last); \
431 _GLIBCXX_DEBUG_VERIFY(__gnu_debug::__check_partitioned_upper( \
432 __gnu_debug::__base(_First), \
433 __gnu_debug::__base(_Last), _Value, _Pred), \
434 _M_message(__gnu_debug::__msg_unpartitioned_pred) \
435 ._M_iterator(_First, #_First) \
436 ._M_iterator(_Last, #_Last) \
437 ._M_string(#_Pred) \
438 ._M_string(#_Value))
439
440 // Verify that the iterator range [_First, _Last) is a heap
441 #define __glibcxx_check_heap(_First,_Last) \
442 _GLIBCXX_DEBUG_VERIFY(std::__is_heap(__gnu_debug::__base(_First), \
443 __gnu_debug::__base(_Last)), \
444 _M_message(__gnu_debug::__msg_not_heap) \
445 ._M_iterator(_First, #_First) \
446 ._M_iterator(_Last, #_Last))
447
448 /** Verify that the iterator range [_First, _Last) is a heap
449 w.r.t. the predicate _Pred. */
450 #define __glibcxx_check_heap_pred(_First,_Last,_Pred) \
451 _GLIBCXX_DEBUG_VERIFY(std::__is_heap(__gnu_debug::__base(_First), \
452 __gnu_debug::__base(_Last), \
453 _Pred), \
454 _M_message(__gnu_debug::__msg_not_heap_pred) \
455 ._M_iterator(_First, #_First) \
456 ._M_iterator(_Last, #_Last) \
457 ._M_string(#_Pred))
458
459 // Verify that load factor is positive
460 #define __glibcxx_check_max_load_factor(_F) \
461 _GLIBCXX_DEBUG_VERIFY(_F > 0.0f, \
462 _M_message(__gnu_debug::__msg_valid_load_factor) \
463 ._M_sequence(*this, "this"))
464
465 #define __glibcxx_check_equal_allocs(_This, _Other) \
466 _GLIBCXX_DEBUG_VERIFY(_This.get_allocator() == _Other.get_allocator(), \
467 _M_message(__gnu_debug::__msg_equal_allocs) \
468 ._M_sequence(_This, "this"))
469
470 #endif