24#if !defined(__has_feature) || !__has_feature(nullability)
33typedef uint32_t (*_Nonnull objc_hashtable_hash_func)(
const void *_Nonnull key);
34typedef bool (*_Nonnull objc_hashtable_equal_func)(
const void *_Nonnull key1,
35 const void *_Nonnull key2);
39 Class _Nullable superclass;
40 const char *_Nonnull name;
41 unsigned long version;
44 struct objc_ivar_list *_Nullable ivars;
45 struct objc_method_list *_Nullable methodList;
46 struct objc_dtable *_Nullable dTable;
47 Class _Nullable *_Nullable subclassList;
48 void *_Nullable siblingClass;
49 struct objc_protocol_list *_Nullable protocols;
50 void *_Nullable GCObjectType;
51 unsigned long ABIVersion;
52 int32_t *_Nonnull *_Nullable ivarOffsets;
53 struct objc_property_list *_Nullable propertyList;
57 OBJC_CLASS_INFO_CLASS = 0x001,
58 OBJC_CLASS_INFO_METACLASS = 0x002,
59 OBJC_CLASS_INFO_NEW_ABI = 0x010,
60 OBJC_CLASS_INFO_SETUP = 0x100,
61 OBJC_CLASS_INFO_LOADED = 0x200,
62 OBJC_CLASS_INFO_DTABLE = 0x400,
63 OBJC_CLASS_INFO_INITIALIZED = 0x800
72 const char *_Nullable typeEncoding;
76 struct objc_selector selector;
77 IMP _Nonnull implementation;
80struct objc_method_list {
81 struct objc_method_list *_Nullable next;
83 struct objc_method methods[1];
87 const char *_Nonnull categoryName;
88 const char *_Nonnull className;
89 struct objc_method_list *_Nullable instanceMethods;
90 struct objc_method_list *_Nullable classMethods;
91 struct objc_protocol_list *_Nullable protocols;
95 const char *_Nonnull name;
96 const char *_Nonnull typeEncoding;
100struct objc_ivar_list {
102 struct objc_ivar ivars[1];
105struct objc_method_description {
106 const char *_Nonnull name;
107 const char *_Nonnull typeEncoding;
110struct objc_method_description_list {
112 struct objc_method_description list[1];
115struct objc_protocol_list {
116 struct objc_protocol_list *_Nullable next;
118 Protocol *__unsafe_unretained _Nonnull list[1];
121#if __has_attribute(__objc_root_class__)
122__attribute__((__objc_root_class__))
128 const char *_Nonnull name;
129 struct objc_protocol_list *_Nullable protocolList;
130 struct objc_method_description_list *_Nullable instanceMethods;
131 struct objc_method_description_list *_Nullable classMethods;
135enum objc_property_attributes {
136 OBJC_PROPERTY_READONLY = 0x01,
137 OBJC_PROPERTY_GETTER = 0x02,
138 OBJC_PROPERTY_ASSIGN = 0x04,
139 OBJC_PROPERTY_READWRITE = 0x08,
140 OBJC_PROPERTY_RETAIN = 0x10,
141 OBJC_PROPERTY_COPY = 0x20,
142 OBJC_PROPERTY_NONATOMIC = 0x40,
143 OBJC_PROPERTY_SETTER = 0x80
146enum objc_property_extended_attributes {
147 OBJC_PROPERTY_SYNTHESIZED = 0x1,
148 OBJC_PROPERTY_DYNAMIC = 0x2,
149 OBJC_PROPERTY_PROTOCOL = 0x3,
150 OBJC_PROPERTY_ATOMIC = 0x4,
151 OBJC_PROPERTY_WEAK = 0x8,
152 OBJC_PROPERTY_STRONG = 0x10,
153 OBJC_PROPERTY_UNSAFE_UNRETAINED = 0x20
156struct objc_property {
157 const char *_Nonnull name;
158 unsigned char attributes, extendedAttributes;
160 const char *_Nullable name;
161 const char *_Nullable typeEncoding;
165struct objc_property_list {
167 struct objc_property_list *_Nullable next;
168 struct objc_property properties[1];
171struct objc_static_instances {
172 const char *_Nonnull className;
173 id _Nullable instances[1];
177 unsigned long unknown;
178 struct objc_selector *_Nullable selectorRefs;
179 uint16_t classDefsCount;
180 uint16_t categoryDefsCount;
181 void *_Nonnull defs[1];
185 unsigned long version;
187 const char *_Nullable name;
188 struct objc_symtab *_Nonnull symtab;
191struct objc_hashtable_bucket {
192 const void *_Nonnull key, *_Nonnull object;
196struct objc_hashtable {
197 objc_hashtable_hash_func hash;
198 objc_hashtable_equal_func equal;
199 uint32_t count, size;
200 struct objc_hashtable_bucket *_Nonnull *_Nullable data;
203struct objc_sparsearray {
204 struct objc_sparsearray_data {
205 void *_Nullable next[256];
211 struct objc_dtable_level2 {
213 struct objc_dtable_level3 {
214 IMP _Nullable buckets[256];
215 } *_Nonnull buckets[256];
217 IMP _Nullable buckets[256];
219 } *_Nonnull buckets[256];
222extern void objc_registerAllCategories(
struct objc_symtab *_Nonnull);
223extern struct objc_category *_Nullable *_Nullable
224 objc_categoriesForClass(Class _Nonnull);
225extern void objc_unregisterAllCategories(
void);
226extern void objc_initializeClass(Class _Nonnull);
227extern void objc_updateDTable(Class _Nonnull);
228extern void objc_registerAllClasses(
struct objc_symtab *_Nonnull);
229extern Class _Nullable objc_classnameToClass(
const char *_Nonnull,
bool);
230extern void objc_unregisterClass(Class _Nonnull);
231extern void objc_unregisterAllClasses(
void);
232extern uint32_t objc_string_hash(
const void *_Nonnull);
233extern bool objc_string_equal(
const void *_Nonnull,
const void *_Nonnull);
234extern struct objc_hashtable *_Nonnull objc_hashtable_new(
235 objc_hashtable_hash_func, objc_hashtable_equal_func, uint32_t);
236extern struct objc_hashtable_bucket objc_deletedBucket;
237extern void objc_hashtable_set(
struct objc_hashtable *_Nonnull,
238 const void *_Nonnull,
const void *_Nonnull);
239extern void *_Nullable objc_hashtable_get(
struct objc_hashtable *_Nonnull,
240 const void *_Nonnull);
241extern void objc_hashtable_delete(
struct objc_hashtable *_Nonnull,
242 const void *_Nonnull);
243extern void objc_hashtable_free(
struct objc_hashtable *_Nonnull);
244extern void objc_registerSelector(
struct objc_selector *_Nonnull);
245extern void objc_registerAllSelectors(
struct objc_symtab *_Nonnull);
246extern void objc_unregisterAllSelectors(
void);
247extern struct objc_sparsearray *_Nonnull objc_sparsearray_new(uint8_t);
248extern void *_Nullable objc_sparsearray_get(
struct objc_sparsearray *_Nonnull,
250extern void objc_sparsearray_set(
struct objc_sparsearray *_Nonnull, uintptr_t,
252extern void objc_sparsearray_free(
struct objc_sparsearray *_Nonnull);
253extern struct objc_dtable *_Nonnull objc_dtable_new(
void);
254extern void objc_dtable_copy(
struct objc_dtable *_Nonnull,
255 struct objc_dtable *_Nonnull);
256extern void objc_dtable_set(
struct objc_dtable *_Nonnull, uint32_t,
258extern void objc_dtable_free(
struct objc_dtable *_Nonnull);
259extern void objc_dtable_cleanup(
void);
260extern void objc_initStaticInstances(
struct objc_symtab *_Nonnull);
261extern void objc_forgetPendingStaticInstances(
void);
262extern void objc_zeroWeakReferences(
id _Nonnull);
263extern Class _Nullable object_getTaggedPointerClass(
id _Nonnull);
264#ifdef OF_HAVE_THREADS
265extern void objc_globalMutex_lock(
void);
266extern void objc_globalMutex_unlock(
void);
267extern void objc_globalMutex_free(
void);
269# define objc_globalMutex_lock()
270# define objc_globalMutex_unlock()
271# define objc_globalMutex_free()
273extern char *_Nullable objc_strdup(
const char *_Nonnull
string);
275static inline IMP _Nullable
276objc_dtable_get(
const struct objc_dtable *_Nonnull dtable, uint32_t idx)
279 uint8_t i = idx >> 16;
280 uint8_t j = idx >> 8;
283 return dtable->buckets[i]->buckets[j]->buckets[k];
285 uint8_t i = idx >> 8;
288 return dtable->buckets[i]->buckets[j];
292extern void OF_NO_RETURN_FUNC objc_error(
const char *_Nonnull title,
293 const char *_Nonnull format, ...);
294#define OBJC_ERROR(...) \
295 objc_error("ObjFWRT @ " __FILE__ ":" OF_STRINGIFY(__LINE__), \
299# if defined(OF_AMD64) || defined(OF_X86) || \
300 defined(OF_POWERPC64) || defined(OF_POWERPC) || \
301 defined(OF_ARM64) || defined(OF_ARM) || \
302 defined(OF_MIPS64_N64) || defined(OF_MIPS) || \
303 defined(OF_SPARC64) || defined(OF_SPARC)
304# define OF_ASM_LOOKUP
306#elif defined(OF_MACH_O)
307# if defined(OF_AMD64)
308# define OF_ASM_LOOKUP
310#elif defined(OF_WINDOWS)
311# if defined(OF_AMD64) || defined(OF_X86)
312# define OF_ASM_LOOKUP
316@interface DummyObject
321@property (readonly, nonatomic)
bool allowsWeakReference;
324+ (bool)resolveClassMethod: (nonnull
SEL)selector;
325+ (bool)resolveInstanceMethod: (nonnull
SEL)selector;
328- (nonnull id)autorelease;
330- (nonnull id)mutableCopy;
331- (bool)retainWeakReference;
id(* IMP)(id object, SEL selector,...)
A method implementation.
Definition ObjFWRT.h:146
A pointer to a class.
Definition private.h:37
A pointer to any object.
Definition private.h:66