source: Daodan/MSYS2/mingw32/include/c++/11.2.0/debug/macros.h@ 1181

Last change on this file since 1181 was 1166, checked in by rossy, 3 years ago

Daodan: Replace MinGW build env with an up-to-date MSYS2 env
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[1166]1// Debugging support implementation -*- C++ -*-
2
3// Copyright (C) 2003-2021 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/** Verify that we can erase the element after the iterator
223 * _Position. We can erase the element if the _Position iterator is
224 * before a dereferenceable one and references this sequence.
225*/
226#define __glibcxx_check_erase_after(_Position) \
227_GLIBCXX_DEBUG_VERIFY(_Position._M_before_dereferenceable(), \
228 _M_message(__gnu_debug::__msg_erase_after_bad) \
229 ._M_sequence(*this, "this") \
230 ._M_iterator(_Position, #_Position)); \
231_GLIBCXX_DEBUG_VERIFY(_Position._M_attached_to(this), \
232 _M_message(__gnu_debug::__msg_erase_different) \
233 ._M_sequence(*this, "this") \
234 ._M_iterator(_Position, #_Position))
235
236/** Verify that we can erase the elements in the iterator range
237 * [_First, _Last). We can erase the elements if [_First, _Last) is a
238 * valid iterator range within this sequence.
239*/
240#define __glibcxx_check_erase_range(_First,_Last) \
241__glibcxx_check_valid_range(_First,_Last); \
242_GLIBCXX_DEBUG_VERIFY(_First._M_attached_to(this), \
243 _M_message(__gnu_debug::__msg_erase_different) \
244 ._M_sequence(*this, "this") \
245 ._M_iterator(_First, #_First) \
246 ._M_iterator(_Last, #_Last))
247
248/** Verify that we can erase the elements in the iterator range
249 * (_First, _Last). We can erase the elements if (_First, _Last) is a
250 * valid iterator range within this sequence.
251*/
252#define __glibcxx_check_erase_range_after(_First,_Last) \
253_GLIBCXX_DEBUG_VERIFY(!_First._M_singular() && !_Last._M_singular(), \
254 _M_message(__gnu_debug::__msg_erase_different) \
255 ._M_sequence(*this, "this") \
256 ._M_iterator(_First, #_First) \
257 ._M_iterator(_Last, #_Last)); \
258_GLIBCXX_DEBUG_VERIFY(_First._M_can_compare(_Last), \
259 _M_message(__gnu_debug::__msg_erase_different) \
260 ._M_sequence(*this, "this") \
261 ._M_iterator(_First, #_First) \
262 ._M_iterator(_Last, #_Last)); \
263_GLIBCXX_DEBUG_VERIFY(_First._M_attached_to(this), \
264 _M_message(__gnu_debug::__msg_erase_different) \
265 ._M_sequence(*this, "this") \
266 ._M_iterator(_First, #_First)); \
267_GLIBCXX_DEBUG_VERIFY(_First != _Last, \
268 _M_message(__gnu_debug::__msg_valid_range2) \
269 ._M_sequence(*this, "this") \
270 ._M_iterator(_First, #_First) \
271 ._M_iterator(_Last, #_Last)); \
272_GLIBCXX_DEBUG_VERIFY(_First._M_incrementable(), \
273 _M_message(__gnu_debug::__msg_valid_range2) \
274 ._M_sequence(*this, "this") \
275 ._M_iterator(_First, #_First) \
276 ._M_iterator(_Last, #_Last)); \
277_GLIBCXX_DEBUG_VERIFY(!_Last._M_is_before_begin(), \
278 _M_message(__gnu_debug::__msg_valid_range2) \
279 ._M_sequence(*this, "this") \
280 ._M_iterator(_First, #_First) \
281 ._M_iterator(_Last, #_Last)) \
282
283// Verify that the subscript _N is less than the container's size.
284#define __glibcxx_check_subscript(_N) \
285_GLIBCXX_DEBUG_VERIFY(_N < this->size(), \
286 _M_message(__gnu_debug::__msg_subscript_oob) \
287 ._M_sequence(*this, "this") \
288 ._M_integer(_N, #_N) \
289 ._M_integer(this->size(), "size"))
290
291// Verify that the bucket _N is less than the container's buckets count.
292#define __glibcxx_check_bucket_index(_N) \
293_GLIBCXX_DEBUG_VERIFY(_N < this->bucket_count(), \
294 _M_message(__gnu_debug::__msg_bucket_index_oob) \
295 ._M_sequence(*this, "this") \
296 ._M_integer(_N, #_N) \
297 ._M_integer(this->bucket_count(), "size"))
298
299// Verify that the container is nonempty
300#define __glibcxx_check_nonempty() \
301_GLIBCXX_DEBUG_VERIFY(! this->empty(), \
302 _M_message(__gnu_debug::__msg_empty) \
303 ._M_sequence(*this, "this"))
304
305// Verify that a predicate is irreflexive
306#define __glibcxx_check_irreflexive(_First,_Last) \
307 _GLIBCXX_DEBUG_VERIFY(_First == _Last || !(*_First < *_First), \
308 _M_message(__gnu_debug::__msg_irreflexive_ordering) \
309 ._M_iterator_value_type(_First, "< operator type"))
310
311#if __cplusplus >= 201103L
312# define __glibcxx_check_irreflexive2(_First,_Last) \
313 _GLIBCXX_DEBUG_VERIFY(_First == _Last \
314 || __gnu_debug::__is_irreflexive(_First), \
315 _M_message(__gnu_debug::__msg_irreflexive_ordering) \
316 ._M_iterator_value_type(_First, "< operator type"))
317#else
318# define __glibcxx_check_irreflexive2(_First,_Last)
319#endif
320
321#define __glibcxx_check_irreflexive_pred(_First,_Last,_Pred) \
322 _GLIBCXX_DEBUG_VERIFY(_First == _Last || !_Pred(*_First, *_First), \
323 _M_message(__gnu_debug::__msg_irreflexive_ordering) \
324 ._M_instance(_Pred, "functor") \
325 ._M_iterator_value_type(_First, "ordered type"))
326
327#if __cplusplus >= 201103L
328# define __glibcxx_check_irreflexive_pred2(_First,_Last,_Pred) \
329 _GLIBCXX_DEBUG_VERIFY(_First == _Last \
330 ||__gnu_debug::__is_irreflexive_pred(_First, _Pred), \
331 _M_message(__gnu_debug::__msg_irreflexive_ordering) \
332 ._M_instance(_Pred, "functor") \
333 ._M_iterator_value_type(_First, "ordered type"))
334#else
335# define __glibcxx_check_irreflexive_pred2(_First,_Last,_Pred)
336#endif
337
338// Verify that the iterator range [_First, _Last) is sorted
339#define __glibcxx_check_sorted(_First,_Last) \
340__glibcxx_check_valid_range(_First,_Last); \
341__glibcxx_check_irreflexive(_First,_Last); \
342 _GLIBCXX_DEBUG_VERIFY(__gnu_debug::__check_sorted( \
343 __gnu_debug::__base(_First), \
344 __gnu_debug::__base(_Last)), \
345 _M_message(__gnu_debug::__msg_unsorted) \
346 ._M_iterator(_First, #_First) \
347 ._M_iterator(_Last, #_Last))
348
349/** Verify that the iterator range [_First, _Last) is sorted by the
350 predicate _Pred. */
351#define __glibcxx_check_sorted_pred(_First,_Last,_Pred) \
352__glibcxx_check_valid_range(_First,_Last); \
353__glibcxx_check_irreflexive_pred(_First,_Last,_Pred); \
354_GLIBCXX_DEBUG_VERIFY(__gnu_debug::__check_sorted( \
355 __gnu_debug::__base(_First), \
356 __gnu_debug::__base(_Last), _Pred), \
357 _M_message(__gnu_debug::__msg_unsorted_pred) \
358 ._M_iterator(_First, #_First) \
359 ._M_iterator(_Last, #_Last) \
360 ._M_string(#_Pred))
361
362// Special variant for std::merge, std::includes, std::set_*
363#define __glibcxx_check_sorted_set(_First1,_Last1,_First2) \
364__glibcxx_check_valid_range(_First1,_Last1); \
365_GLIBCXX_DEBUG_VERIFY( \
366 __gnu_debug::__check_sorted_set(__gnu_debug::__base(_First1), \
367 __gnu_debug::__base(_Last1), _First2),\
368 _M_message(__gnu_debug::__msg_unsorted) \
369 ._M_iterator(_First1, #_First1) \
370 ._M_iterator(_Last1, #_Last1))
371
372// Likewise with a _Pred.
373#define __glibcxx_check_sorted_set_pred(_First1,_Last1,_First2,_Pred) \
374__glibcxx_check_valid_range(_First1,_Last1); \
375_GLIBCXX_DEBUG_VERIFY( \
376 __gnu_debug::__check_sorted_set(__gnu_debug::__base(_First1), \
377 __gnu_debug::__base(_Last1), \
378 _First2, _Pred), \
379 _M_message(__gnu_debug::__msg_unsorted_pred) \
380 ._M_iterator(_First1, #_First1) \
381 ._M_iterator(_Last1, #_Last1) \
382 ._M_string(#_Pred))
383
384/** Verify that the iterator range [_First, _Last) is partitioned
385 w.r.t. the value _Value. */
386#define __glibcxx_check_partitioned_lower(_First,_Last,_Value) \
387__glibcxx_check_valid_range(_First,_Last); \
388_GLIBCXX_DEBUG_VERIFY(__gnu_debug::__check_partitioned_lower( \
389 __gnu_debug::__base(_First), \
390 __gnu_debug::__base(_Last), _Value), \
391 _M_message(__gnu_debug::__msg_unpartitioned) \
392 ._M_iterator(_First, #_First) \
393 ._M_iterator(_Last, #_Last) \
394 ._M_string(#_Value))
395
396#define __glibcxx_check_partitioned_upper(_First,_Last,_Value) \
397__glibcxx_check_valid_range(_First,_Last); \
398_GLIBCXX_DEBUG_VERIFY(__gnu_debug::__check_partitioned_upper( \
399 __gnu_debug::__base(_First), \
400 __gnu_debug::__base(_Last), _Value), \
401 _M_message(__gnu_debug::__msg_unpartitioned) \
402 ._M_iterator(_First, #_First) \
403 ._M_iterator(_Last, #_Last) \
404 ._M_string(#_Value))
405
406/** Verify that the iterator range [_First, _Last) is partitioned
407 w.r.t. the value _Value and predicate _Pred. */
408#define __glibcxx_check_partitioned_lower_pred(_First,_Last,_Value,_Pred) \
409__glibcxx_check_valid_range(_First,_Last); \
410_GLIBCXX_DEBUG_VERIFY(__gnu_debug::__check_partitioned_lower( \
411 __gnu_debug::__base(_First), \
412 __gnu_debug::__base(_Last), _Value, _Pred), \
413 _M_message(__gnu_debug::__msg_unpartitioned_pred) \
414 ._M_iterator(_First, #_First) \
415 ._M_iterator(_Last, #_Last) \
416 ._M_string(#_Pred) \
417 ._M_string(#_Value))
418
419/** Verify that the iterator range [_First, _Last) is partitioned
420 w.r.t. the value _Value and predicate _Pred. */
421#define __glibcxx_check_partitioned_upper_pred(_First,_Last,_Value,_Pred) \
422__glibcxx_check_valid_range(_First,_Last); \
423_GLIBCXX_DEBUG_VERIFY(__gnu_debug::__check_partitioned_upper( \
424 __gnu_debug::__base(_First), \
425 __gnu_debug::__base(_Last), _Value, _Pred), \
426 _M_message(__gnu_debug::__msg_unpartitioned_pred) \
427 ._M_iterator(_First, #_First) \
428 ._M_iterator(_Last, #_Last) \
429 ._M_string(#_Pred) \
430 ._M_string(#_Value))
431
432// Verify that the iterator range [_First, _Last) is a heap
433#define __glibcxx_check_heap(_First,_Last) \
434 _GLIBCXX_DEBUG_VERIFY(std::__is_heap(__gnu_debug::__base(_First), \
435 __gnu_debug::__base(_Last)), \
436 _M_message(__gnu_debug::__msg_not_heap) \
437 ._M_iterator(_First, #_First) \
438 ._M_iterator(_Last, #_Last))
439
440/** Verify that the iterator range [_First, _Last) is a heap
441 w.r.t. the predicate _Pred. */
442#define __glibcxx_check_heap_pred(_First,_Last,_Pred) \
443 _GLIBCXX_DEBUG_VERIFY(std::__is_heap(__gnu_debug::__base(_First), \
444 __gnu_debug::__base(_Last), \
445 _Pred), \
446 _M_message(__gnu_debug::__msg_not_heap_pred) \
447 ._M_iterator(_First, #_First) \
448 ._M_iterator(_Last, #_Last) \
449 ._M_string(#_Pred))
450
451// Verify that load factor is positive
452#define __glibcxx_check_max_load_factor(_F) \
453_GLIBCXX_DEBUG_VERIFY(_F > 0.0f, \
454 _M_message(__gnu_debug::__msg_valid_load_factor) \
455 ._M_sequence(*this, "this"))
456
457#define __glibcxx_check_equal_allocs(_This, _Other) \
458_GLIBCXX_DEBUG_VERIFY(_This.get_allocator() == _Other.get_allocator(), \
459 _M_message(__gnu_debug::__msg_equal_allocs) \
460 ._M_sequence(_This, "this"))
461
462#define __glibcxx_check_string(_String) _GLIBCXX_DEBUG_PEDASSERT(_String != 0)
463#define __glibcxx_check_string_len(_String,_Len) \
464 _GLIBCXX_DEBUG_PEDASSERT(_String != 0 || _Len == 0)
465
466#endif
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