forked from godotengine/godot
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy patherror_macros.h
835 lines (756 loc) · 48.8 KB
/
error_macros.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
/**************************************************************************/
/* error_macros.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#ifndef ERROR_MACROS_H
#define ERROR_MACROS_H
#include "core/typedefs.h"
#include <atomic> // We'd normally use safe_refcount.h, but that would cause circular includes.
class String;
enum ErrorHandlerType {
ERR_HANDLER_ERROR,
ERR_HANDLER_WARNING,
ERR_HANDLER_SCRIPT,
ERR_HANDLER_SHADER,
};
// Pointer to the error handler printing function. Reassign to any function to have errors printed.
// Parameters: userdata, function, file, line, error, explanation, type.
typedef void (*ErrorHandlerFunc)(void *, const char *, const char *, int p_line, const char *, const char *, bool p_editor_notify, ErrorHandlerType p_type);
struct ErrorHandlerList {
ErrorHandlerFunc errfunc = nullptr;
void *userdata = nullptr;
ErrorHandlerList *next = nullptr;
ErrorHandlerList() {}
};
void add_error_handler(ErrorHandlerList *p_handler);
void remove_error_handler(const ErrorHandlerList *p_handler);
// Functions used by the error macros.
void _err_print_error(const char *p_function, const char *p_file, int p_line, const char *p_error, bool p_editor_notify = false, ErrorHandlerType p_type = ERR_HANDLER_ERROR);
void _err_print_error(const char *p_function, const char *p_file, int p_line, const String &p_error, bool p_editor_notify = false, ErrorHandlerType p_type = ERR_HANDLER_ERROR);
void _err_print_error(const char *p_function, const char *p_file, int p_line, const char *p_error, const char *p_message, bool p_editor_notify = false, ErrorHandlerType p_type = ERR_HANDLER_ERROR);
void _err_print_error(const char *p_function, const char *p_file, int p_line, const String &p_error, const char *p_message, bool p_editor_notify = false, ErrorHandlerType p_type = ERR_HANDLER_ERROR);
void _err_print_error(const char *p_function, const char *p_file, int p_line, const char *p_error, const String &p_message, bool p_editor_notify = false, ErrorHandlerType p_type = ERR_HANDLER_ERROR);
void _err_print_error(const char *p_function, const char *p_file, int p_line, const String &p_error, const String &p_message, bool p_editor_notify = false, ErrorHandlerType p_type = ERR_HANDLER_ERROR);
void _err_print_index_error(const char *p_function, const char *p_file, int p_line, int64_t p_index, int64_t p_size, const char *p_index_str, const char *p_size_str, const char *p_message = "", bool p_editor_notify = false, bool fatal = false);
void _err_print_index_error(const char *p_function, const char *p_file, int p_line, int64_t p_index, int64_t p_size, const char *p_index_str, const char *p_size_str, const String &p_message, bool p_editor_notify = false, bool fatal = false);
void _err_flush_stdout();
#ifdef __GNUC__
//#define FUNCTION_STR __PRETTY_FUNCTION__ - too annoying
#define FUNCTION_STR __FUNCTION__
#else
#define FUNCTION_STR __FUNCTION__
#endif
#ifdef _MSC_VER
/**
* Don't use GENERATE_TRAP() directly, should only be used be the macros below.
*/
#define GENERATE_TRAP() __debugbreak()
#else
/**
* Don't use GENERATE_TRAP() directly, should only be used be the macros below.
*/
#define GENERATE_TRAP() __builtin_trap()
#endif
/**
* Error macros.
* WARNING: These macros work in the opposite way to assert().
*
* Unlike exceptions and asserts, these macros try to maintain consistency and stability.
* In most cases, bugs and/or invalid data are not fatal. They should never allow a perfectly
* running application to fail or crash.
* Always try to return processable data, so the engine can keep running well.
* Use the _MSG versions to print a meaningful message to help with debugging.
*
* The `((void)0)` no-op statement is used as a trick to force us to put a semicolon after
* those macros, making them look like proper statements.
* The if wrappers are used to ensure that the macro replacement does not trigger unexpected
* issues when expanded e.g. after an `if (cond) ERR_FAIL();` without braces.
*/
// Index out of bounds error macros.
// These macros should be used instead of `ERR_FAIL_COND` for bounds checking.
// Integer index out of bounds error macros.
/**
* Try using `ERR_FAIL_INDEX_MSG`.
* Only use this macro if there is no sensible error message.
*
* Ensures an integer index `m_index` is less than `m_size` and greater than or equal to 0.
* If not, the current function returns.
*/
#define ERR_FAIL_INDEX(m_index, m_size) \
if (unlikely((m_index) < 0 || (m_index) >= (m_size))) { \
_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size)); \
return; \
} else \
((void)0)
/**
* Ensures an integer index `m_index` is less than `m_size` and greater than or equal to 0.
* If not, prints `m_msg` and the current function returns.
*/
#define ERR_FAIL_INDEX_MSG(m_index, m_size, m_msg) \
if (unlikely((m_index) < 0 || (m_index) >= (m_size))) { \
_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size), m_msg); \
return; \
} else \
((void)0)
/**
* Same as `ERR_FAIL_INDEX_MSG` but also notifies the editor.
*/
#define ERR_FAIL_INDEX_EDMSG(m_index, m_size, m_msg) \
if (unlikely((m_index) < 0 || (m_index) >= (m_size))) { \
_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size), m_msg, true); \
return; \
} else \
((void)0)
/**
* Try using `ERR_FAIL_INDEX_V_MSG`.
* Only use this macro if there is no sensible error message.
*
* Ensures an integer index `m_index` is less than `m_size` and greater than or equal to 0.
* If not, the current function returns `m_retval`.
*/
#define ERR_FAIL_INDEX_V(m_index, m_size, m_retval) \
if (unlikely((m_index) < 0 || (m_index) >= (m_size))) { \
_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size)); \
return m_retval; \
} else \
((void)0)
/**
* Ensures an integer index `m_index` is less than `m_size` and greater than or equal to 0.
* If not, prints `m_msg` and the current function returns `m_retval`.
*/
#define ERR_FAIL_INDEX_V_MSG(m_index, m_size, m_retval, m_msg) \
if (unlikely((m_index) < 0 || (m_index) >= (m_size))) { \
_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size), m_msg); \
return m_retval; \
} else \
((void)0)
/**
* Same as `ERR_FAIL_INDEX_V_MSG` but also notifies the editor.
*/
#define ERR_FAIL_INDEX_V_EDMSG(m_index, m_size, m_retval, m_msg) \
if (unlikely((m_index) < 0 || (m_index) >= (m_size))) { \
_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size), m_msg, true); \
return m_retval; \
} else \
((void)0)
/**
* Try using `ERR_FAIL_INDEX_MSG` or `ERR_FAIL_INDEX_V_MSG`.
* Only use this macro if there is no sensible fallback i.e. the error is unrecoverable, and
* there is no sensible error message.
*
* Ensures an integer index `m_index` is less than `m_size` and greater than or equal to 0.
* If not, the application crashes.
*/
#define CRASH_BAD_INDEX(m_index, m_size) \
if (unlikely((m_index) < 0 || (m_index) >= (m_size))) { \
_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size), "", false, true); \
_err_flush_stdout(); \
GENERATE_TRAP(); \
} else \
((void)0)
/**
* Try using `ERR_FAIL_INDEX_MSG` or `ERR_FAIL_INDEX_V_MSG`.
* Only use this macro if there is no sensible fallback i.e. the error is unrecoverable.
*
* Ensures an integer index `m_index` is less than `m_size` and greater than or equal to 0.
* If not, prints `m_msg` and the application crashes.
*/
#define CRASH_BAD_INDEX_MSG(m_index, m_size, m_msg) \
if (unlikely((m_index) < 0 || (m_index) >= (m_size))) { \
_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size), m_msg, false, true); \
_err_flush_stdout(); \
GENERATE_TRAP(); \
} else \
((void)0)
// Unsigned integer index out of bounds error macros.
/**
* Try using `ERR_FAIL_UNSIGNED_INDEX_MSG`.
* Only use this macro if there is no sensible error message.
*
* Ensures an unsigned integer index `m_index` is less than `m_size`.
* If not, the current function returns.
*/
#define ERR_FAIL_UNSIGNED_INDEX(m_index, m_size) \
if (unlikely((m_index) >= (m_size))) { \
_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size)); \
return; \
} else \
((void)0)
/**
* Ensures an unsigned integer index `m_index` is less than `m_size`.
* If not, prints `m_msg` and the current function returns.
*/
#define ERR_FAIL_UNSIGNED_INDEX_MSG(m_index, m_size, m_msg) \
if (unlikely((m_index) >= (m_size))) { \
_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size), m_msg); \
return; \
} else \
((void)0)
/**
* Same as `ERR_FAIL_UNSIGNED_INDEX_MSG` but also notifies the editor.
*/
#define ERR_FAIL_UNSIGNED_INDEX_EDMSG(m_index, m_size, m_msg) \
if (unlikely((m_index) >= (m_size))) { \
_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size), m_msg, true); \
return; \
} else \
((void)0)
/**
* Try using `ERR_FAIL_UNSIGNED_INDEX_V_MSG`.
* Only use this macro if there is no sensible error message.
*
* Ensures an unsigned integer index `m_index` is less than `m_size`.
* If not, the current function returns `m_retval`.
*/
#define ERR_FAIL_UNSIGNED_INDEX_V(m_index, m_size, m_retval) \
if (unlikely((m_index) >= (m_size))) { \
_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size)); \
return m_retval; \
} else \
((void)0)
/**
* Ensures an unsigned integer index `m_index` is less than `m_size`.
* If not, prints `m_msg` and the current function returns `m_retval`.
*/
#define ERR_FAIL_UNSIGNED_INDEX_V_MSG(m_index, m_size, m_retval, m_msg) \
if (unlikely((m_index) >= (m_size))) { \
_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size), m_msg); \
return m_retval; \
} else \
((void)0)
/**
* Same as `ERR_FAIL_UNSIGNED_INDEX_V_EDMSG` but also notifies the editor.
*/
#define ERR_FAIL_UNSIGNED_INDEX_V_EDMSG(m_index, m_size, m_retval, m_msg) \
if (unlikely((m_index) >= (m_size))) { \
_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size), m_msg, true); \
return m_retval; \
} else \
((void)0)
/**
* Try using `ERR_FAIL_UNSIGNED_INDEX_MSG` or `ERR_FAIL_UNSIGNED_INDEX_V_MSG`.
* Only use this macro if there is no sensible fallback i.e. the error is unrecoverable, and
* there is no sensible error message.
*
* Ensures an unsigned integer index `m_index` is less than `m_size`.
* If not, the application crashes.
*/
#define CRASH_BAD_UNSIGNED_INDEX(m_index, m_size) \
if (unlikely((m_index) >= (m_size))) { \
_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size), "", false, true); \
_err_flush_stdout(); \
GENERATE_TRAP(); \
} else \
((void)0)
/**
* Try using `ERR_FAIL_UNSIGNED_INDEX_MSG` or `ERR_FAIL_UNSIGNED_INDEX_V_MSG`.
* Only use this macro if there is no sensible fallback i.e. the error is unrecoverable.
*
* Ensures an unsigned integer index `m_index` is less than `m_size`.
* If not, prints `m_msg` and the application crashes.
*/
#define CRASH_BAD_UNSIGNED_INDEX_MSG(m_index, m_size, m_msg) \
if (unlikely((m_index) >= (m_size))) { \
_err_print_index_error(FUNCTION_STR, __FILE__, __LINE__, m_index, m_size, _STR(m_index), _STR(m_size), m_msg, false, true); \
_err_flush_stdout(); \
GENERATE_TRAP(); \
} else \
((void)0)
// Null reference error macros.
/**
* Try using `ERR_FAIL_NULL_MSG`.
* Only use this macro if there is no sensible error message.
*
* Ensures a pointer `m_param` is not null.
* If it is null, the current function returns.
*/
#define ERR_FAIL_NULL(m_param) \
if (unlikely(m_param == nullptr)) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Parameter \"" _STR(m_param) "\" is null."); \
return; \
} else \
((void)0)
/**
* Ensures a pointer `m_param` is not null.
* If it is null, prints `m_msg` and the current function returns.
*/
#define ERR_FAIL_NULL_MSG(m_param, m_msg) \
if (unlikely(m_param == nullptr)) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Parameter \"" _STR(m_param) "\" is null.", m_msg); \
return; \
} else \
((void)0)
/**
* Same as `ERR_FAIL_NULL_MSG` but also notifies the editor.
*/
#define ERR_FAIL_NULL_EDMSG(m_param, m_msg) \
if (unlikely(m_param == nullptr)) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Parameter \"" _STR(m_param) "\" is null.", m_msg, true); \
return; \
} else \
((void)0)
/**
* Try using `ERR_FAIL_NULL_V_MSG`.
* Only use this macro if there is no sensible error message.
*
* Ensures a pointer `m_param` is not null.
* If it is null, the current function returns `m_retval`.
*/
#define ERR_FAIL_NULL_V(m_param, m_retval) \
if (unlikely(m_param == nullptr)) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Parameter \"" _STR(m_param) "\" is null."); \
return m_retval; \
} else \
((void)0)
/**
* Ensures a pointer `m_param` is not null.
* If it is null, prints `m_msg` and the current function returns `m_retval`.
*/
#define ERR_FAIL_NULL_V_MSG(m_param, m_retval, m_msg) \
if (unlikely(m_param == nullptr)) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Parameter \"" _STR(m_param) "\" is null.", m_msg); \
return m_retval; \
} else \
((void)0)
/**
* Same as `ERR_FAIL_NULL_V_MSG` but also notifies the editor.
*/
#define ERR_FAIL_NULL_V_EDMSG(m_param, m_retval, m_msg) \
if (unlikely(m_param == nullptr)) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Parameter \"" _STR(m_param) "\" is null.", m_msg, true); \
return m_retval; \
} else \
((void)0)
/**
* Try using `ERR_FAIL_COND_MSG`.
* Only use this macro if there is no sensible error message.
* If checking for null use ERR_FAIL_NULL_MSG instead.
* If checking index bounds use ERR_FAIL_INDEX_MSG instead.
*
* Ensures `m_cond` is false.
* If `m_cond` is true, the current function returns.
*/
#define ERR_FAIL_COND(m_cond) \
if (unlikely(m_cond)) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Condition \"" _STR(m_cond) "\" is true."); \
return; \
} else \
((void)0)
/**
* Ensures `m_cond` is false.
* If `m_cond` is true, prints `m_msg` and the current function returns.
*
* If checking for null use ERR_FAIL_NULL_MSG instead.
* If checking index bounds use ERR_FAIL_INDEX_MSG instead.
*/
#define ERR_FAIL_COND_MSG(m_cond, m_msg) \
if (unlikely(m_cond)) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Condition \"" _STR(m_cond) "\" is true.", m_msg); \
return; \
} else \
((void)0)
/**
* Same as `ERR_FAIL_COND_MSG` but also notifies the editor.
*/
#define ERR_FAIL_COND_EDMSG(m_cond, m_msg) \
if (unlikely(m_cond)) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Condition \"" _STR(m_cond) "\" is true.", m_msg, true); \
return; \
} else \
((void)0)
/**
* Try using `ERR_FAIL_COND_V_MSG`.
* Only use this macro if there is no sensible error message.
* If checking for null use ERR_FAIL_NULL_V_MSG instead.
* If checking index bounds use ERR_FAIL_INDEX_V_MSG instead.
*
* Ensures `m_cond` is false.
* If `m_cond` is true, the current function returns `m_retval`.
*/
#define ERR_FAIL_COND_V(m_cond, m_retval) \
if (unlikely(m_cond)) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Condition \"" _STR(m_cond) "\" is true. Returning: " _STR(m_retval)); \
return m_retval; \
} else \
((void)0)
/**
* Ensures `m_cond` is false.
* If `m_cond` is true, prints `m_msg` and the current function returns `m_retval`.
*
* If checking for null use ERR_FAIL_NULL_V_MSG instead.
* If checking index bounds use ERR_FAIL_INDEX_V_MSG instead.
*/
#define ERR_FAIL_COND_V_MSG(m_cond, m_retval, m_msg) \
if (unlikely(m_cond)) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Condition \"" _STR(m_cond) "\" is true. Returning: " _STR(m_retval), m_msg); \
return m_retval; \
} else \
((void)0)
/**
* Same as `ERR_FAIL_COND_V_MSG` but also notifies the editor.
*/
#define ERR_FAIL_COND_V_EDMSG(m_cond, m_retval, m_msg) \
if (unlikely(m_cond)) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Condition \"" _STR(m_cond) "\" is true. Returning: " _STR(m_retval), m_msg, true); \
return m_retval; \
} else \
((void)0)
/**
* Try using `ERR_CONTINUE_MSG`.
* Only use this macro if there is no sensible error message.
*
* Ensures `m_cond` is false.
* If `m_cond` is true, the current loop continues.
*/
#define ERR_CONTINUE(m_cond) \
if (unlikely(m_cond)) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Condition \"" _STR(m_cond) "\" is true. Continuing."); \
continue; \
} else \
((void)0)
/**
* Ensures `m_cond` is false.
* If `m_cond` is true, prints `m_msg` and the current loop continues.
*/
#define ERR_CONTINUE_MSG(m_cond, m_msg) \
if (unlikely(m_cond)) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Condition \"" _STR(m_cond) "\" is true. Continuing.", m_msg); \
continue; \
} else \
((void)0)
/**
* Same as `ERR_CONTINUE_MSG` but also notifies the editor.
*/
#define ERR_CONTINUE_EDMSG(m_cond, m_msg) \
if (unlikely(m_cond)) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Condition \"" _STR(m_cond) "\" is true. Continuing.", m_msg, true); \
continue; \
} else \
((void)0)
/**
* Try using `ERR_BREAK_MSG`.
* Only use this macro if there is no sensible error message.
*
* Ensures `m_cond` is false.
* If `m_cond` is true, the current loop breaks.
*/
#define ERR_BREAK(m_cond) \
if (unlikely(m_cond)) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Condition \"" _STR(m_cond) "\" is true. Breaking."); \
break; \
} else \
((void)0)
/**
* Ensures `m_cond` is false.
* If `m_cond` is true, prints `m_msg` and the current loop breaks.
*/
#define ERR_BREAK_MSG(m_cond, m_msg) \
if (unlikely(m_cond)) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Condition \"" _STR(m_cond) "\" is true. Breaking.", m_msg); \
break; \
} else \
((void)0)
/**
* Same as `ERR_BREAK_MSG` but also notifies the editor.
*/
#define ERR_BREAK_EDMSG(m_cond, m_msg) \
if (unlikely(m_cond)) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Condition \"" _STR(m_cond) "\" is true. Breaking.", m_msg, true); \
break; \
} else \
((void)0)
/**
* Try using `ERR_FAIL_COND_MSG` or `ERR_FAIL_COND_V_MSG`.
* Only use this macro if there is no sensible fallback i.e. the error is unrecoverable, and
* there is no sensible error message.
*
* Ensures `m_cond` is false.
* If `m_cond` is true, the application crashes.
*/
#define CRASH_COND(m_cond) \
if (unlikely(m_cond)) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "FATAL: Condition \"" _STR(m_cond) "\" is true."); \
_err_flush_stdout(); \
GENERATE_TRAP(); \
} else \
((void)0)
/**
* Try using `ERR_FAIL_COND_MSG` or `ERR_FAIL_COND_V_MSG`.
* Only use this macro if there is no sensible fallback i.e. the error is unrecoverable.
*
* Ensures `m_cond` is false.
* If `m_cond` is true, prints `m_msg` and the application crashes.
*/
#define CRASH_COND_MSG(m_cond, m_msg) \
if (unlikely(m_cond)) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "FATAL: Condition \"" _STR(m_cond) "\" is true.", m_msg); \
_err_flush_stdout(); \
GENERATE_TRAP(); \
} else \
((void)0)
// Generic error macros.
/**
* Try using `ERR_FAIL_COND_MSG` or `ERR_FAIL_MSG`.
* Only use this macro if more complex error detection or recovery is required, and
* there is no sensible error message.
*
* The current function returns.
*/
#define ERR_FAIL() \
if (true) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Method/function failed."); \
return; \
} else \
((void)0)
/**
* Try using `ERR_FAIL_COND_MSG`.
* Only use this macro if more complex error detection or recovery is required.
*
* Prints `m_msg`, and the current function returns.
*/
#define ERR_FAIL_MSG(m_msg) \
if (true) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Method/function failed.", m_msg); \
return; \
} else \
((void)0)
/**
* Same as `ERR_FAIL_MSG` but also notifies the editor.
*/
#define ERR_FAIL_EDMSG(m_msg) \
if (true) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Method/function failed.", m_msg, true); \
return; \
} else \
((void)0)
/**
* Try using `ERR_FAIL_COND_V_MSG` or `ERR_FAIL_V_MSG`.
* Only use this macro if more complex error detection or recovery is required, and
* there is no sensible error message.
*
* The current function returns `m_retval`.
*/
#define ERR_FAIL_V(m_retval) \
if (true) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Method/function failed. Returning: " _STR(m_retval)); \
return m_retval; \
} else \
((void)0)
/**
* Try using `ERR_FAIL_COND_V_MSG`.
* Only use this macro if more complex error detection or recovery is required.
*
* Prints `m_msg`, and the current function returns `m_retval`.
*/
#define ERR_FAIL_V_MSG(m_retval, m_msg) \
if (true) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Method/function failed. Returning: " _STR(m_retval), m_msg); \
return m_retval; \
} else \
((void)0)
/**
* Same as `ERR_FAIL_V_MSG` but also notifies the editor.
*/
#define ERR_FAIL_V_EDMSG(m_retval, m_msg) \
if (true) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "Method/function failed. Returning: " _STR(m_retval), m_msg, true); \
return m_retval; \
} else \
((void)0)
/**
* Try using `ERR_FAIL_COND_MSG`, `ERR_FAIL_COND_V_MSG`, `ERR_CONTINUE_MSG` or `ERR_BREAK_MSG`.
* Only use this macro at the start of a function that has not been implemented yet, or
* if more complex error detection or recovery is required.
*
* Prints `m_msg`.
*/
#define ERR_PRINT(m_msg) \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, m_msg)
/**
* Same as `ERR_PRINT` but also notifies the editor.
*/
#define ERR_PRINT_ED(m_msg) \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, m_msg, true)
/**
* Prints `m_msg` once during the application lifetime.
*/
#define ERR_PRINT_ONCE(m_msg) \
if (true) { \
static bool first_print = true; \
if (first_print) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, m_msg); \
first_print = false; \
} \
} else \
((void)0)
/**
* Same as `ERR_PRINT_ONCE` but also notifies the editor.
*/
#define ERR_PRINT_ONCE_ED(m_msg) \
if (true) { \
static bool first_print = true; \
if (first_print) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, m_msg, true); \
first_print = false; \
} \
} else \
((void)0)
// Print warning message macros.
/**
* Prints `m_msg`.
*
* If warning about deprecated usage, use `WARN_DEPRECATED` or `WARN_DEPRECATED_MSG` instead.
*/
#define WARN_PRINT(m_msg) \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, m_msg, false, ERR_HANDLER_WARNING)
/**
* Same as `WARN_PRINT` but also notifies the editor.
*/
#define WARN_PRINT_ED(m_msg) \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, m_msg, true, ERR_HANDLER_WARNING)
/**
* Prints `m_msg` once during the application lifetime.
*
* If warning about deprecated usage, use `WARN_DEPRECATED` or `WARN_DEPRECATED_MSG` instead.
*/
#define WARN_PRINT_ONCE(m_msg) \
if (true) { \
static bool first_print = true; \
if (first_print) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, m_msg, false, ERR_HANDLER_WARNING); \
first_print = false; \
} \
} else \
((void)0)
/**
* Same as `WARN_PRINT_ONCE` but also notifies the editor.
*/
#define WARN_PRINT_ONCE_ED(m_msg) \
if (true) { \
static bool first_print = true; \
if (first_print) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, m_msg, true, ERR_HANDLER_WARNING); \
first_print = false; \
} \
} else \
((void)0)
/**
* Warns about `m_msg` only when verbose mode is enabled.
*/
#define WARN_VERBOSE(m_msg) \
{ \
if (is_print_verbose_enabled()) { \
WARN_PRINT(m_msg); \
} \
}
// Print deprecated warning message macros.
/**
* Warns that the current function is deprecated.
*/
#define WARN_DEPRECATED \
if (true) { \
static std::atomic<bool> warning_shown; \
if (!warning_shown.load()) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "This method has been deprecated and will be removed in the future.", false, ERR_HANDLER_WARNING); \
warning_shown.store(true); \
} \
} else \
((void)0)
/**
* Warns that the current function is deprecated and prints `m_msg`.
*/
#define WARN_DEPRECATED_MSG(m_msg) \
if (true) { \
static std::atomic<bool> warning_shown; \
if (!warning_shown.load()) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "This method has been deprecated and will be removed in the future.", m_msg, false, ERR_HANDLER_WARNING); \
warning_shown.store(true); \
} \
} else \
((void)0)
/**
* Do not use.
* If the application should never reach this point use CRASH_NOW_MSG(m_msg) to explain why.
*
* The application crashes.
*/
#define CRASH_NOW() \
if (true) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "FATAL: Method/function failed."); \
_err_flush_stdout(); \
GENERATE_TRAP(); \
} else \
((void)0)
/**
* Only use if the application should never reach this point.
*
* Prints `m_msg`, and then the application crashes.
*/
#define CRASH_NOW_MSG(m_msg) \
if (true) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "FATAL: Method/function failed.", m_msg); \
_err_flush_stdout(); \
GENERATE_TRAP(); \
} else \
((void)0)
/**
* Note: IN MOST CASES YOU SHOULD NOT USE THIS MACRO.
* Do not use unless you understand the trade-offs.
*
* DEV macros will be compiled out in releases, they are wrapped in DEV_ENABLED.
*
* Prefer WARNINGS / ERR_FAIL macros (which fail without crashing) - ERR_FAIL should be used in most cases.
* Then CRASH_NOW_MSG macros (on rare occasions where error cannot be recovered).
*
* DEV_ASSERT should generally only be used when both of the following conditions are met:
* 1) Bottleneck code where a check in release would be too expensive.
* 2) Situations where the check would fail obviously and straight away during the maintenance of the code
* (i.e. strict conditions that should be true no matter what)
* and that can't fail for other contributors once the code is finished and merged.
*/
#ifdef DEV_ENABLED
#define DEV_ASSERT(m_cond) \
if (unlikely(!(m_cond))) { \
_err_print_error(FUNCTION_STR, __FILE__, __LINE__, "FATAL: DEV_ASSERT failed \"" _STR(m_cond) "\" is false."); \
_err_flush_stdout(); \
GENERATE_TRAP(); \
} else \
((void)0)
#else
#define DEV_ASSERT(m_cond)
#endif
#ifdef DEV_ENABLED
#define DEV_CHECK_ONCE(m_cond) \
if (unlikely(!(m_cond))) { \
ERR_PRINT_ONCE("DEV_CHECK_ONCE failed \"" _STR(m_cond) "\" is false."); \
} else \
((void)0)
#else
#define DEV_CHECK_ONCE(m_cond)
#endif
#endif // ERROR_MACROS_H