Differences From Artifact [a0e6d07e6b]:
- File src/OFObject.m — part of check-in [27b401c7c2] at 2021-01-02 22:06:34 on branch amiga-library — Update copyright (user: js, size: 27766) [annotate] [blame] [check-ins using]
To Artifact [77711da280]:
- File
src/OFObject.m
— part of check-in
[3c88df0ce4]
at
2021-05-09 14:45:19
on branch amiga-library
— Merge trunk into branch "amiga-library"
All necessary changes to adjust for the changes made in trunk are
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27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 | #ifdef HAVE_GETRANDOM # include <sys/random.h> #endif #import "OFObject.h" #import "OFArray.h" #import "OFLocale.h" #import "OFMethodSignature.h" #import "OFRunLoop.h" #import "OFThread.h" #import "OFTimer.h" #import "OFAllocFailedException.h" #import "OFEnumerationMutationException.h" #import "OFInitializationFailedException.h" #import "OFInvalidArgumentException.h" | > > > > > > > | 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 | #ifdef HAVE_GETRANDOM # include <sys/random.h> #endif #import "OFObject.h" #import "OFArray.h" #ifdef OF_HAVE_ATOMIC_OPS # import "OFAtomic.h" #endif #import "OFLocale.h" #import "OFMethodSignature.h" #import "OFRunLoop.h" #if !defined(OF_HAVE_ATOMIC_OPS) && defined(OF_HAVE_THREADS) # import "OFPlainMutex.h" /* For OFSpinlock */ #endif #import "OFString.h" #import "OFThread.h" #import "OFTimer.h" #import "OFAllocFailedException.h" #import "OFEnumerationMutationException.h" #import "OFInitializationFailedException.h" #import "OFInvalidArgumentException.h" |
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56 57 58 59 60 61 62 | # include <windows.h> #endif #ifdef OF_AMIGAOS # include <proto/exec.h> #endif | < < < < < < < < | | | | | | | | < < < | < < > | | | | | > > > > > > | | < | | | | | | | | > > > > > > | | 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 | # include <windows.h> #endif #ifdef OF_AMIGAOS # include <proto/exec.h> #endif #ifdef OF_APPLE_RUNTIME extern id _Nullable _objc_rootAutorelease(id _Nullable object); #endif #if defined(OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR) extern id OFForward(id, SEL, ...); extern struct Stret OFForward_stret(id, SEL, ...); #else # define OFForward OFMethodNotFound # define OFForward_stret OFMethodNotFound_stret #endif struct PreIvars { int retainCount; #if !defined(OF_HAVE_ATOMIC_OPS) && !defined(OF_AMIGAOS) OFSpinlock retainCountSpinlock; #endif }; #define PRE_IVARS_ALIGN ((sizeof(struct PreIvars) + \ (OF_BIGGEST_ALIGNMENT - 1)) & ~(OF_BIGGEST_ALIGNMENT - 1)) #define PRE_IVARS ((struct PreIvars *)(void *)((char *)self - PRE_IVARS_ALIGN)) static struct { Class isa; } allocFailedException; unsigned long OFHashSeed; #ifdef OF_AMIGAOS unsigned long * OFHashSeedRef(void) { return &OFHashSeed; } #endif void * OFAllocMemory(size_t count, size_t size) { void *pointer; if OF_UNLIKELY (count == 0 || size == 0) return NULL; if OF_UNLIKELY (count > SIZE_MAX / size) @throw [OFOutOfRangeException exception]; if OF_UNLIKELY ((pointer = malloc(count * size)) == NULL) @throw [OFOutOfMemoryException exceptionWithRequestedSize: size]; return pointer; } void * OFAllocZeroedMemory(size_t count, size_t size) { void *pointer; if OF_UNLIKELY (count == 0 || size == 0) return NULL; /* Not all calloc implementations check for overflow. */ if OF_UNLIKELY (count > SIZE_MAX / size) @throw [OFOutOfRangeException exception]; if OF_UNLIKELY ((pointer = calloc(count, size)) == NULL) @throw [OFOutOfMemoryException exceptionWithRequestedSize: size]; return pointer; } void * OFResizeMemory(void *pointer, size_t count, size_t size) { if OF_UNLIKELY (count == 0 || size == 0) return NULL; if OF_UNLIKELY (count > SIZE_MAX / size) @throw [OFOutOfRangeException exception]; if OF_UNLIKELY ((pointer = realloc(pointer, count * size)) == NULL) @throw [OFOutOfMemoryException exceptionWithRequestedSize: size]; return pointer; } void OFFreeMemory(void *pointer) { free(pointer); } #if !defined(HAVE_ARC4RANDOM) && !defined(HAVE_GETRANDOM) static void initRandom(void) { struct timeval tv; # ifdef HAVE_RANDOM gettimeofday(&tv, NULL); srandom((unsigned)(tv.tv_sec ^ tv.tv_usec)); # else gettimeofday(&tv, NULL); srand((unsigned)(tv.tv_sec ^ tv.tv_usec)); # endif } #endif uint16_t OFRandom16(void) { #if defined(HAVE_ARC4RANDOM) return arc4random(); #elif defined(HAVE_GETRANDOM) uint16_t buffer; OFEnsure(getrandom(&buffer, sizeof(buffer), 0) == sizeof(buffer)); return buffer; #else static OFOnceControl onceControl = OFOnceControlInitValue; OFOnce(&onceControl, initRandom); # ifdef HAVE_RANDOM return random() & 0xFFFF; # else return rand() & 0xFFFF; # endif #endif } uint32_t OFRandom32(void) { #if defined(HAVE_ARC4RANDOM) return arc4random(); #elif defined(HAVE_GETRANDOM) uint32_t buffer; OFEnsure(getrandom(&buffer, sizeof(buffer), 0) == sizeof(buffer)); return buffer; #else return ((uint32_t)OFRandom16() << 16) | OFRandom16(); #endif } uint64_t OFRandom64(void) { #if defined(HAVE_ARC4RANDOM_BUF) uint64_t buffer; arc4random_buf(&buffer, sizeof(buffer)); return buffer; #elif defined(HAVE_GETRANDOM) uint64_t buffer; OFEnsure(getrandom(&buffer, sizeof(buffer), 0) == sizeof(buffer)); return buffer; #else return ((uint64_t)OFRandom32() << 32) | OFRandom32(); #endif } void OFHashInit(unsigned long *hash) { *hash = OFHashSeed; } static const char * typeEncodingForSelector(Class class, SEL selector) { Method method; if ((method = class_getInstanceMethod(class, selector)) == NULL) return NULL; return method_getTypeEncoding(method); } #if !defined(OF_APPLE_RUNTIME) || defined(__OBJC2__) static void uncaughtExceptionHandler(id exception) { OFString *description = [exception description]; OFArray *backtrace = nil; OFStringEncoding encoding = [OFLocale encoding]; fprintf(stderr, "\nRuntime error: Unhandled exception:\n%s\n", [description cStringWithEncoding: encoding]); if ([exception respondsToSelector: @selector(backtrace)]) backtrace = [exception backtrace]; |
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274 275 276 277 278 279 280 | static void enumerationMutationHandler(id object) { @throw [OFEnumerationMutationException exceptionWithObject: object]; } void OF_NO_RETURN_FUNC | | | | | | | | | 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 | static void enumerationMutationHandler(id object) { @throw [OFEnumerationMutationException exceptionWithObject: object]; } void OF_NO_RETURN_FUNC OFMethodNotFound(id object, SEL selector) { [object doesNotRecognizeSelector: selector]; /* * Just in case doesNotRecognizeSelector: returned, even though it must * never return. */ abort(); OF_UNREACHABLE } void OF_NO_RETURN_FUNC OFMethodNotFound_stret(void *stret, id object, SEL selector) { OFMethodNotFound(object, selector); } id OFAllocObject(Class class, size_t extraSize, size_t extraAlignment, void **extra) { OFObject *instance; size_t instanceSize; instanceSize = class_getInstanceSize(class); if OF_UNLIKELY (extraAlignment > 1) extraAlignment = ((instanceSize + extraAlignment - 1) & ~(extraAlignment - 1)) - extraAlignment; instance = calloc(1, PRE_IVARS_ALIGN + instanceSize + extraAlignment + extraSize); if OF_UNLIKELY (instance == nil) { allocFailedException.isa = [OFAllocFailedException class]; @throw (id)&allocFailedException; } ((struct PreIvars *)instance)->retainCount = 1; #if !defined(OF_HAVE_ATOMIC_OPS) && !defined(OF_AMIGAOS) if OF_UNLIKELY (OFSpinlockNew( &((struct PreIvars *)instance)->retainCountSpinlock) != 0) { free(instance); @throw [OFInitializationFailedException exceptionWithClass: class]; } #endif instance = (OFObject *)(void *)((char *)instance + PRE_IVARS_ALIGN); |
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371 372 373 374 375 376 377 | * handler on load, we should not set ours, as this will break * Foundation. * * Unfortunately, there is no way to check if a forward handler has * already been set, so this is the best we can do. */ if (dlsym(RTLD_DEFAULT, "NSFoundationVersionNumber") == NULL) | | | | | | | | | | 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 | * handler on load, we should not set ours, as this will break * Foundation. * * Unfortunately, there is no way to check if a forward handler has * already been set, so this is the best we can do. */ if (dlsym(RTLD_DEFAULT, "NSFoundationVersionNumber") == NULL) objc_setForwardHandler((void *)&OFForward, (void *)&OFForward_stret); #else objc_setForwardHandler((IMP)&OFForward, (IMP)&OFForward_stret); #endif objc_setEnumerationMutationHandler(enumerationMutationHandler); do { OFHashSeed = OFRandom32(); } while (OFHashSeed == 0); #ifdef OF_OBJFW_RUNTIME objc_setTaggedPointerSecret(sizeof(uintptr_t) == 4 ? (uintptr_t)OFRandom32() : (uintptr_t)OFRandom64()); #endif } + (void)unload { } + (void)initialize { } + (instancetype)alloc { return OFAllocObject(self, 0, 0, NULL); } + (instancetype)new { return [[self alloc] init]; } + (Class)class { return self; } + (OFString *)className { return [OFString stringWithCString: class_getName(self) encoding: OFStringEncodingASCII]; } + (bool)isSubclassOfClass: (Class)class { for (Class iter = self; iter != Nil; iter = class_getSuperclass(iter)) if (iter == class) return true; |
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468 469 470 471 472 473 474 | } + (OFString *)description { return [self className]; } | | < | < | 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 | } + (OFString *)description { return [self className]; } + (IMP)replaceClassMethod: (SEL)selector withMethodFromClass: (Class)class { IMP method = [class methodForSelector: selector]; if (method == NULL) @throw [OFInvalidArgumentException exception]; return class_replaceMethod(object_getClass(self), selector, method, typeEncodingForSelector(object_getClass(class), selector)); } + (IMP)replaceInstanceMethod: (SEL)selector withMethodFromClass: (Class)class { IMP method = [class instanceMethodForSelector: selector]; if (method == NULL) @throw [OFInvalidArgumentException exception]; return class_replaceMethod(self, selector, method, |
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572 573 574 575 576 577 578 | { return class_getSuperclass(object_getClass(self)); } - (OFString *)className { return [OFString stringWithCString: object_getClassName(self) | | | 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 | { return class_getSuperclass(object_getClass(self)); } - (OFString *)className { return [OFString stringWithCString: object_getClassName(self) encoding: OFStringEncodingASCII]; } - (bool)isKindOfClass: (Class)class { for (Class iter = object_getClass(self); iter != Nil; iter = class_getSuperclass(iter)) if (iter == class) |
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616 617 618 619 620 621 622 | #elif defined(OF_APPLE_RUNTIME) id (*imp)(id, SEL) = (id (*)(id, SEL))objc_msgSend; #endif return imp(self, selector); } | | < | 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 | #elif defined(OF_APPLE_RUNTIME) id (*imp)(id, SEL) = (id (*)(id, SEL))objc_msgSend; #endif return imp(self, selector); } - (id)performSelector: (SEL)selector withObject: (id)object { #if defined(OF_OBJFW_RUNTIME) id (*imp)(id, SEL, id) = (id (*)(id, SEL, id))objc_msg_lookup(self, selector); #elif defined(OF_APPLE_RUNTIME) id (*imp)(id, SEL, id) = (id (*)(id, SEL, id))objc_msgSend; #endif |
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676 677 678 679 680 681 682 | id (*imp)(id, SEL, id, id, id, id) = (id (*)(id, SEL, id, id, id, id))objc_msgSend; #endif return imp(self, selector, object1, object2, object3, object4); } | | < | | | | | 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 | id (*imp)(id, SEL, id, id, id, id) = (id (*)(id, SEL, id, id, id, id))objc_msgSend; #endif return imp(self, selector, object1, object2, object3, object4); } - (void)performSelector: (SEL)selector afterDelay: (OFTimeInterval)delay { void *pool = objc_autoreleasePoolPush(); [OFTimer scheduledTimerWithTimeInterval: delay target: self selector: selector repeats: false]; objc_autoreleasePoolPop(pool); } - (void)performSelector: (SEL)selector withObject: (id)object afterDelay: (OFTimeInterval)delay { void *pool = objc_autoreleasePoolPush(); [OFTimer scheduledTimerWithTimeInterval: delay target: self selector: selector object: object repeats: false]; objc_autoreleasePoolPop(pool); } - (void)performSelector: (SEL)selector withObject: (id)object1 withObject: (id)object2 afterDelay: (OFTimeInterval)delay { void *pool = objc_autoreleasePoolPush(); [OFTimer scheduledTimerWithTimeInterval: delay target: self selector: selector object: object1 object: object2 repeats: false]; objc_autoreleasePoolPop(pool); } - (void)performSelector: (SEL)selector withObject: (id)object1 withObject: (id)object2 withObject: (id)object3 afterDelay: (OFTimeInterval)delay { void *pool = objc_autoreleasePoolPush(); [OFTimer scheduledTimerWithTimeInterval: delay target: self selector: selector object: object1 object: object2 object: object3 repeats: false]; objc_autoreleasePoolPop(pool); } - (void)performSelector: (SEL)selector withObject: (id)object1 withObject: (id)object2 withObject: (id)object3 withObject: (id)object4 afterDelay: (OFTimeInterval)delay { void *pool = objc_autoreleasePoolPush(); [OFTimer scheduledTimerWithTimeInterval: delay target: self selector: selector object: object1 |
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969 970 971 972 973 974 975 | [timer waitUntilDone]; objc_autoreleasePoolPop(pool); } - (void)performSelector: (SEL)selector onThread: (OFThread *)thread | | | | | | | 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 | [timer waitUntilDone]; objc_autoreleasePoolPop(pool); } - (void)performSelector: (SEL)selector onThread: (OFThread *)thread afterDelay: (OFTimeInterval)delay { void *pool = objc_autoreleasePoolPush(); [thread.runLoop addTimer: [OFTimer timerWithTimeInterval: delay target: self selector: selector repeats: false]]; objc_autoreleasePoolPop(pool); } - (void)performSelector: (SEL)selector onThread: (OFThread *)thread withObject: (id)object afterDelay: (OFTimeInterval)delay { void *pool = objc_autoreleasePoolPush(); [thread.runLoop addTimer: [OFTimer timerWithTimeInterval: delay target: self selector: selector object: object repeats: false]]; objc_autoreleasePoolPop(pool); } - (void)performSelector: (SEL)selector onThread: (OFThread *)thread withObject: (id)object1 withObject: (id)object2 afterDelay: (OFTimeInterval)delay { void *pool = objc_autoreleasePoolPush(); [thread.runLoop addTimer: [OFTimer timerWithTimeInterval: delay target: self selector: selector object: object1 object: object2 repeats: false]]; objc_autoreleasePoolPop(pool); } - (void)performSelector: (SEL)selector onThread: (OFThread *)thread withObject: (id)object1 withObject: (id)object2 withObject: (id)object3 afterDelay: (OFTimeInterval)delay { void *pool = objc_autoreleasePoolPush(); [thread.runLoop addTimer: [OFTimer timerWithTimeInterval: delay target: self selector: selector object: object1 object: object2 object: object3 repeats: false]]; objc_autoreleasePoolPop(pool); } - (void)performSelector: (SEL)selector onThread: (OFThread *)thread withObject: (id)object1 withObject: (id)object2 withObject: (id)object3 withObject: (id)object4 afterDelay: (OFTimeInterval)delay { void *pool = objc_autoreleasePoolPush(); [thread.runLoop addTimer: [OFTimer timerWithTimeInterval: delay target: self selector: selector object: object1 |
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1077 1078 1079 1080 1081 1082 1083 | { return (object == self); } - (unsigned long)hash { uintptr_t ptr = (uintptr_t)self; | | | | | | 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 | { return (object == self); } - (unsigned long)hash { uintptr_t ptr = (uintptr_t)self; unsigned long hash; OFHashInit(&hash); for (size_t i = 0; i < sizeof(ptr); i++) { OFHashAdd(&hash, ptr & 0xFF); ptr >>= 8; } OFHashFinalize(&hash); return hash; } - (OFString *)description { /* Classes containing data should reimplement this! */ |
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1112 1113 1114 1115 1116 1117 1118 | @throw [OFNotImplementedException exceptionWithSelector: selector object: self]; } - (instancetype)retain { #if defined(OF_HAVE_ATOMIC_OPS) | | | | | | | | | | 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 | @throw [OFNotImplementedException exceptionWithSelector: selector object: self]; } - (instancetype)retain { #if defined(OF_HAVE_ATOMIC_OPS) OFAtomicIntIncrease(&PRE_IVARS->retainCount); #elif defined(OF_AMIGAOS) /* * On AmigaOS, we can only have one CPU. As increasing a variable is a * single instruction on M68K, we don't need Forbid() / Permit() on * M68K. */ # ifndef OF_AMIGAOS_M68K Forbid(); # endif PRE_IVARS->retainCount++; # ifndef OF_AMIGAOS_M68K Permit(); # endif #else OFEnsure(OFSpinlockLock(&PRE_IVARS->retainCountSpinlock) == 0); PRE_IVARS->retainCount++; OFEnsure(OFSpinlockUnlock(&PRE_IVARS->retainCountSpinlock) == 0); #endif return self; } - (unsigned int)retainCount { assert(PRE_IVARS->retainCount >= 0); return PRE_IVARS->retainCount; } - (void)release { #if defined(OF_HAVE_ATOMIC_OPS) OFReleaseMemoryBarrier(); if (OFAtomicIntDecrease(&PRE_IVARS->retainCount) <= 0) { OFAcquireMemoryBarrier(); [self dealloc]; } #elif defined(OF_AMIGAOS) int retainCount; Forbid(); retainCount = --PRE_IVARS->retainCount; Permit(); if (retainCount == 0) [self dealloc]; #else int retainCount; OFEnsure(OFSpinlockLock(&PRE_IVARS->retainCountSpinlock) == 0); retainCount = --PRE_IVARS->retainCount; OFEnsure(OFSpinlockUnlock(&PRE_IVARS->retainCountSpinlock) == 0); if (retainCount == 0) [self dealloc]; #endif } - (instancetype)autorelease |
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1245 1246 1247 1248 1249 1250 1251 | + (id)autorelease { return self; } + (unsigned int)retainCount { | | | 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 | + (id)autorelease { return self; } + (unsigned int)retainCount { return OFMaxRetainCount; } + (void)release { } + (void)dealloc |
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