| ︙ | | |
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
|
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
|
-
-
+
+
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
|
#import "OFInvalidArgumentException.h"
#import "OFInvalidFormatException.h"
#import "OFOutOfRangeException.h"
#import "macros.h"
static size_t alignofEncoding(const char **type, size_t *length, bool inStruct);
static size_t sizeofEncoding(const char **type, size_t *length);
static size_t alignmentOfEncoding(const char **type, size_t *length,
bool inStruct);
static size_t sizeOfEncoding(const char **type, size_t *length);
static size_t
alignofArray(const char **type, size_t *length)
alignmentOfArray(const char **type, size_t *length)
{
size_t align;
size_t alignment;
assert(*length > 0);
(*type)++;
(*length)--;
while (*length > 0 && of_ascii_isdigit(**type)) {
while (*length > 0 && OFASCIIIsDigit(**type)) {
(*type)++;
(*length)--;
}
align = alignofEncoding(type, length, true);
alignment = alignmentOfEncoding(type, length, true);
if (*length == 0 || **type != ']')
@throw [OFInvalidFormatException exception];
(*type)++;
(*length)--;
return align;
return alignment;
}
static size_t
alignofStruct(const char **type, size_t *length)
alignmentOfStruct(const char **type, size_t *length)
{
size_t align = 0;
size_t alignment = 0;
#if defined(OF_POWERPC) && defined(OF_MACOS)
bool first = true;
#endif
assert(*length > 0);
(*type)++;
|
| ︙ | | |
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
|
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
|
-
+
-
-
+
+
-
-
+
+
-
+
-
+
-
+
-
+
-
-
+
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
|
@throw [OFInvalidFormatException exception];
/* Skip '=' */
(*type)++;
(*length)--;
while (*length > 0 && **type != '}') {
size_t fieldAlign = alignofEncoding(type, length, true);
size_t fieldAlignment = alignmentOfEncoding(type, length, true);
#if defined(OF_POWERPC) && defined(OF_MACOS)
if (!first && fieldAlign > 4)
fieldAlign = 4;
if (!first && fieldAlignment > 4)
fieldAlignment = 4;
first = false;
#endif
if (fieldAlign > align)
align = fieldAlign;
if (fieldAlignment > alignment)
alignment = fieldAlignment;
}
if (*length == 0 || **type != '}')
@throw [OFInvalidFormatException exception];
(*type)++;
(*length)--;
return align;
return alignment;
}
static size_t
alignofUnion(const char **type, size_t *length)
alignmentOfUnion(const char **type, size_t *length)
{
size_t align = 0;
size_t alignment = 0;
assert(*length > 0);
(*type)++;
(*length)--;
/* Skip name */
while (*length > 0 && **type != '=') {
(*type)++;
(*length)--;
}
if (*length == 0)
@throw [OFInvalidFormatException exception];
/* Skip '=' */
(*type)++;
(*length)--;
while (*length > 0 && **type != ')') {
size_t fieldAlign = alignofEncoding(type, length, true);
size_t fieldAlignment = alignmentOfEncoding(type, length, true);
if (fieldAlign > align)
align = fieldAlign;
if (fieldAlignment > alignment)
alignment = fieldAlignment;
}
if (*length == 0 || **type != ')')
@throw [OFInvalidFormatException exception];
(*type)++;
(*length)--;
return align;
return alignment;
}
static size_t
alignofEncoding(const char **type, size_t *length, bool inStruct)
alignmentOfEncoding(const char **type, size_t *length, bool inStruct)
{
size_t align;
size_t alignment;
if (*length == 0)
@throw [OFInvalidFormatException exception];
if (**type == 'r') {
(*type)++;
(*length)--;
if (*length == 0)
@throw [OFInvalidFormatException exception];
}
switch (**type) {
case 'c':
case 'C':
align = OF_ALIGNOF(char);
alignment = OF_ALIGNOF(char);
break;
case 'i':
case 'I':
align = OF_ALIGNOF(int);
alignment = OF_ALIGNOF(int);
break;
case 's':
case 'S':
align = OF_ALIGNOF(short);
alignment = OF_ALIGNOF(short);
break;
case 'l':
case 'L':
align = OF_ALIGNOF(long);
alignment = OF_ALIGNOF(long);
break;
case 'q':
case 'Q':
#if defined(OF_X86) && !defined(OF_WINDOWS)
if (inStruct)
align = 4;
alignment = 4;
else
#endif
align = OF_ALIGNOF(long long);
alignment = OF_ALIGNOF(long long);
break;
#ifdef __SIZEOF_INT128__
case 't':
case 'T':
align = __extension__ OF_ALIGNOF(__int128);
alignment = __extension__ OF_ALIGNOF(__int128);
break;
#endif
case 'f':
align = OF_ALIGNOF(float);
alignment = OF_ALIGNOF(float);
break;
case 'd':
#if defined(OF_X86) && !defined(OF_WINDOWS)
if (inStruct)
align = 4;
alignment = 4;
else
#endif
align = OF_ALIGNOF(double);
alignment = OF_ALIGNOF(double);
break;
case 'D':
#if defined(OF_X86) && !defined(OF_WINDOWS)
if (inStruct)
align = 4;
alignment = 4;
else
#endif
align = OF_ALIGNOF(long double);
alignment = OF_ALIGNOF(long double);
break;
case 'B':
align = OF_ALIGNOF(_Bool);
alignment = OF_ALIGNOF(_Bool);
break;
case 'v':
align = 0;
alignment = 0;
break;
case '*':
align = OF_ALIGNOF(char *);
alignment = OF_ALIGNOF(char *);
break;
case '@':
align = OF_ALIGNOF(id);
alignment = OF_ALIGNOF(id);
break;
case '#':
align = OF_ALIGNOF(Class);
alignment = OF_ALIGNOF(Class);
break;
case ':':
align = OF_ALIGNOF(SEL);
alignment = OF_ALIGNOF(SEL);
break;
case '[':
return alignofArray(type, length);
return alignmentOfArray(type, length);
case '{':
return alignofStruct(type, length);
return alignmentOfStruct(type, length);
case '(':
return alignofUnion(type, length);
return alignmentOfUnion(type, length);
case '^':
/* Just to skip over the rest */
(*type)++;
(*length)--;
alignofEncoding(type, length, false);
alignmentOfEncoding(type, length, false);
return OF_ALIGNOF(void *);
#ifndef __STDC_NO_COMPLEX__
case 'j':
(*type)++;
(*length)--;
if (*length == 0)
@throw [OFInvalidFormatException exception];
switch (**type) {
case 'f':
align = OF_ALIGNOF(float _Complex);
alignment = OF_ALIGNOF(float _Complex);
break;
case 'd':
# if defined(OF_X86) && !defined(OF_WINDOWS)
if (inStruct)
align = 4;
alignment = 4;
else
# endif
align = OF_ALIGNOF(double _Complex);
alignment = OF_ALIGNOF(double _Complex);
break;
case 'D':
align = OF_ALIGNOF(long double _Complex);
alignment = OF_ALIGNOF(long double _Complex);
break;
default:
@throw [OFInvalidFormatException exception];
}
break;
#endif
default:
@throw [OFInvalidFormatException exception];
}
(*type)++;
(*length)--;
return align;
return alignment;
}
static size_t
sizeofArray(const char **type, size_t *length)
sizeOfArray(const char **type, size_t *length)
{
size_t count = 0;
size_t size;
assert(*length > 0);
(*type)++;
(*length)--;
while (*length > 0 && of_ascii_isdigit(**type)) {
while (*length > 0 && OFASCIIIsDigit(**type)) {
count = count * 10 + **type - '0';
(*type)++;
(*length)--;
}
if (count == 0)
@throw [OFInvalidFormatException exception];
size = sizeofEncoding(type, length);
size = sizeOfEncoding(type, length);
if (*length == 0 || **type != ']')
@throw [OFInvalidFormatException exception];
(*type)++;
(*length)--;
if (SIZE_MAX / count < size)
@throw [OFOutOfRangeException exception];
return count * size;
}
static size_t
sizeofStruct(const char **type, size_t *length)
sizeOfStruct(const char **type, size_t *length)
{
size_t size = 0;
const char *typeCopy = *type;
size_t lengthCopy = *length;
size_t alignment = alignofStruct(&typeCopy, &lengthCopy);
size_t alignment = alignmentOfStruct(&typeCopy, &lengthCopy);
#if defined(OF_POWERPC) && defined(OF_MACOS)
bool first = true;
#endif
assert(*length > 0);
(*type)++;
|
| ︙ | | |
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
|
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
|
-
+
-
-
+
+
+
-
-
+
+
-
-
+
+
+
|
@throw [OFInvalidFormatException exception];
/* Skip '=' */
(*type)++;
(*length)--;
while (*length > 0 && **type != '}') {
size_t fieldSize, fieldAlign;
size_t fieldSize, fieldAlignment;
typeCopy = *type;
lengthCopy = *length;
fieldSize = sizeofEncoding(type, length);
fieldAlign = alignofEncoding(&typeCopy, &lengthCopy, true);
fieldSize = sizeOfEncoding(type, length);
fieldAlignment = alignmentOfEncoding(&typeCopy, &lengthCopy,
true);
#if defined(OF_POWERPC) && defined(OF_MACOS)
if (!first && fieldAlign > 4)
fieldAlign = 4;
if (!first && fieldAlignment > 4)
fieldAlignment = 4;
first = false;
#endif
if (size % fieldAlign != 0) {
size_t padding = fieldAlign - (size % fieldAlign);
if (size % fieldAlignment != 0) {
size_t padding =
fieldAlignment - (size % fieldAlignment);
if (SIZE_MAX - size < padding)
@throw [OFOutOfRangeException exception];
size += padding;
}
|
| ︙ | | |
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
|
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
|
-
+
|
size += padding;
}
return size;
}
static size_t
sizeofUnion(const char **type, size_t *length)
sizeOfUnion(const char **type, size_t *length)
{
size_t size = 0;
assert(*length > 0);
(*type)++;
(*length)--;
|
| ︙ | | |
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
|
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
|
-
+
-
+
|
@throw [OFInvalidFormatException exception];
/* Skip '=' */
(*type)++;
(*length)--;
while (*length > 0 && **type != ')') {
size_t fieldSize = sizeofEncoding(type, length);
size_t fieldSize = sizeOfEncoding(type, length);
if (fieldSize > size)
size = fieldSize;
}
if (*length == 0 || **type != ')')
@throw [OFInvalidFormatException exception];
(*type)++;
(*length)--;
return size;
}
static size_t
sizeofEncoding(const char **type, size_t *length)
sizeOfEncoding(const char **type, size_t *length)
{
size_t size;
if (*length == 0)
@throw [OFInvalidFormatException exception];
if (**type == 'r') {
|
| ︙ | | |
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
|
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
|
-
+
-
+
-
+
-
+
|
case '#':
size = sizeof(Class);
break;
case ':':
size = sizeof(SEL);
break;
case '[':
return sizeofArray(type, length);
return sizeOfArray(type, length);
case '{':
return sizeofStruct(type, length);
return sizeOfStruct(type, length);
case '(':
return sizeofUnion(type, length);
return sizeOfUnion(type, length);
case '^':
/* Just to skip over the rest */
(*type)++;
(*length)--;
sizeofEncoding(type, length);
sizeOfEncoding(type, length);
return sizeof(void *);
#ifndef __STDC_NO_COMPLEX__
case 'j':
(*type)++;
(*length)--;
|
| ︙ | | |
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
|
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
|
-
+
-
+
-
+
-
+
|
(*type)++;
(*length)--;
return size;
}
size_t
of_sizeof_type_encoding(const char *type)
size_t ret = sizeofEncoding(&type, &length);
size_t ret = sizeOfEncoding(&type, &length);
if (length > 0)
@throw [OFInvalidFormatException exception];
return ret;
}
size_t
of_alignof_type_encoding(const char *type)
size_t ret = alignofEncoding(&type, &length, false);
size_t ret = alignmentOfEncoding(&type, &length, false);
if (length > 0)
@throw [OFInvalidFormatException exception];
return ret;
}
|
| ︙ | | |
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
|
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
|
-
+
-
+
-
+
|
@throw [OFInvalidArgumentException exception];
length = strlen(types);
if (length == 0)
@throw [OFInvalidFormatException exception];
_types = of_alloc(length + 1, 1);
_types = OFAllocMemory(length + 1, 1);
memcpy(_types, types, length);
_typesPointers = [[OFMutableData alloc]
initWithItemSize: sizeof(char *)];
_offsets = [[OFMutableData alloc]
initWithItemSize: sizeof(size_t)];
last = _types;
for (size_t i = 0; i < length; i++) {
if (of_ascii_isdigit(_types[i])) {
if (OFASCIIIsDigit(_types[i])) {
size_t offset = _types[i] - '0';
if (last == _types + i)
@throw [OFInvalidFormatException
exception];
_types[i] = '\0';
[_typesPointers addItem: &last];
i++;
for (; i < length &&
of_ascii_isdigit(_types[i]); i++)
OFASCIIIsDigit(_types[i]); i++)
offset = offset * 10 + _types[i] - '0';
[_offsets addItem: &offset];
last = _types + i;
i--;
} else if (_types[i] == '{') {
|
| ︙ | | |
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
|
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
|
-
+
|
}
return self;
}
- (void)dealloc
{
free(_types);
OFFreeMemory(_types);
[_typesPointers release];
[_offsets release];
[super dealloc];
}
- (size_t)numberOfArguments
|
| ︙ | | |