runtime.h
2017-09-11 本文已影响18人
李潇南
typedef struct objc_method *Method;
typedef struct objc_ivar *Ivar;
typedef struct objc_category *Category;
typedef struct objc_property *objc_property_t;
struct objc_class {
Class isa OBJC_ISA_AVAILABILITY;
#if !__OBJC2__
Class super_class OBJC2_UNAVAILABLE;
const char *name OBJC2_UNAVAILABLE;
long version OBJC2_UNAVAILABLE;
long info OBJC2_UNAVAILABLE;
long instance_size OBJC2_UNAVAILABLE;
struct objc_ivar_list *ivars OBJC2_UNAVAILABLE;
struct objc_method_list **methodLists OBJC2_UNAVAILABLE;
struct objc_cache *cache OBJC2_UNAVAILABLE;
struct objc_protocol_list *protocols OBJC2_UNAVAILABLE;
#endif
} OBJC2_UNAVAILABLE;
typedef struct objc_object Protocol;
struct objc_method_description {
SEL name; /**< The name of the method */
char *types; /**< The types of the method arguments */
};
typedef struct {
const char *name; /**< The name of the attribute */
const char *value; /**< The value of the attribute (usually empty) */
} objc_property_attribute_t;
OBJC_EXPORT id object_copy(id obj, size_t size)
OBJC_AVAILABLE(10.0, 2.0, 9.0, 1.0)
OBJC_ARC_UNAVAILABLE;
OBJC_EXPORT id object_dispose(id obj)
OBJC_AVAILABLE(10.0, 2.0, 9.0, 1.0)
OBJC_ARC_UNAVAILABLE;
OBJC_EXPORT Class object_getClass(id obj)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT Class object_setClass(id obj, Class cls)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT BOOL object_isClass(id obj)
OBJC_AVAILABLE(10.10, 8.0, 9.0, 1.0);
OBJC_EXPORT id object_getIvar(id obj, Ivar ivar)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT void object_setIvar(id obj, Ivar ivar, id value)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT void object_setIvarWithStrongDefault(id obj, Ivar ivar, id value)
OBJC_AVAILABLE(10.12, 10.0, 10.0, 3.0);
OBJC_EXPORT Ivar object_setInstanceVariable(id obj, const char *name, void *value)
OBJC_AVAILABLE(10.0, 2.0, 9.0, 1.0)
OBJC_ARC_UNAVAILABLE;
OBJC_EXPORT Ivar object_setInstanceVariableWithStrongDefault(id obj, const char *name, void *value)
OBJC_AVAILABLE(10.12, 10.0, 10.0, 3.0)
OBJC_ARC_UNAVAILABLE;
OBJC_EXPORT Ivar object_getInstanceVariable(id obj, const char *name, void **outValue)
OBJC_AVAILABLE(10.0, 2.0, 9.0, 1.0)
OBJC_ARC_UNAVAILABLE;
OBJC_EXPORT Class objc_getClass(const char *name)
OBJC_AVAILABLE(10.0, 2.0, 9.0, 1.0);
OBJC_EXPORT Class objc_getMetaClass(const char *name)
OBJC_AVAILABLE(10.0, 2.0, 9.0, 1.0);
OBJC_EXPORT Class objc_lookUpClass(const char *name)
OBJC_AVAILABLE(10.0, 2.0, 9.0, 1.0);
OBJC_EXPORT Class objc_getRequiredClass(const char *name)
OBJC_AVAILABLE(10.0, 2.0, 9.0, 1.0);
OBJC_EXPORT int objc_getClassList(Class *buffer, int bufferCount)
OBJC_AVAILABLE(10.0, 2.0, 9.0, 1.0);
OBJC_EXPORT Class *objc_copyClassList(unsigned int *outCount)
OBJC_AVAILABLE(10.7, 3.1, 9.0, 1.0);
OBJC_EXPORT const char *class_getName(Class cls)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT BOOL class_isMetaClass(Class cls)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT Class class_getSuperclass(Class cls)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT Class class_setSuperclass(Class cls, Class newSuper)
__OSX_DEPRECATED(10.5, 10.5, "not recommended")
__IOS_DEPRECATED(2.0, 2.0, "not recommended")
__TVOS_DEPRECATED(9.0, 9.0, "not recommended")
__WATCHOS_DEPRECATED(1.0, 1.0, "not recommended");
OBJC_EXPORT int class_getVersion(Class cls)
OBJC_AVAILABLE(10.0, 2.0, 9.0, 1.0);
OBJC_EXPORT void class_setVersion(Class cls, int version)
OBJC_AVAILABLE(10.0, 2.0, 9.0, 1.0);
OBJC_EXPORT size_t class_getInstanceSize(Class cls)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT Ivar class_getInstanceVariable(Class cls, const char *name)
OBJC_AVAILABLE(10.0, 2.0, 9.0, 1.0);
OBJC_EXPORT Ivar class_getClassVariable(Class cls, const char *name)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT Ivar *class_copyIvarList(Class cls, unsigned int *outCount)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT Method class_getInstanceMethod(Class cls, SEL name)
OBJC_AVAILABLE(10.0, 2.0, 9.0, 1.0);
OBJC_EXPORT Method class_getClassMethod(Class cls, SEL name)
OBJC_AVAILABLE(10.0, 2.0, 9.0, 1.0);
OBJC_EXPORT IMP class_getMethodImplementation(Class cls, SEL name)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT IMP class_getMethodImplementation_stret(Class cls, SEL name)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0)
OBJC_ARM64_UNAVAILABLE;
OBJC_EXPORT BOOL class_respondsToSelector(Class cls, SEL sel)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT Method *class_copyMethodList(Class cls, unsigned int *outCount)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT BOOL class_conformsToProtocol(Class cls, Protocol *protocol)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT Protocol * __unsafe_unretained *class_copyProtocolList(Class cls, unsigned int *outCount)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT objc_property_t class_getProperty(Class cls, const char *name)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT objc_property_t *class_copyPropertyList(Class cls, unsigned int *outCount)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT const uint8_t *class_getIvarLayout(Class cls)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT const uint8_t *class_getWeakIvarLayout(Class cls)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT BOOL class_addMethod(Class cls, SEL name, IMP imp,
const char *types)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT IMP class_replaceMethod(Class cls, SEL name, IMP imp,
const char *types)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT BOOL class_addIvar(Class cls, const char *name, size_t size,
uint8_t alignment, const char *types)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT BOOL class_addProtocol(Class cls, Protocol *protocol)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT BOOL class_addProperty(Class cls, const char *name, const objc_property_attribute_t *attributes, unsigned int attributeCount)
OBJC_AVAILABLE(10.7, 4.3, 9.0, 1.0);
OBJC_EXPORT void class_replaceProperty(Class cls, const char *name, const objc_property_attribute_t *attributes, unsigned int attributeCount)
OBJC_AVAILABLE(10.7, 4.3, 9.0, 1.0);
OBJC_EXPORT void class_setIvarLayout(Class cls, const uint8_t *layout)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT void class_setWeakIvarLayout(Class cls, const uint8_t *layout)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT Class objc_getFutureClass(const char *name)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0)
OBJC_ARC_UNAVAILABLE;
OBJC_EXPORT id class_createInstance(Class cls, size_t extraBytes)
OBJC_AVAILABLE(10.0, 2.0, 9.0, 1.0)
OBJC_ARC_UNAVAILABLE;
OBJC_EXPORT id objc_constructInstance(Class cls, void *bytes)
OBJC_AVAILABLE(10.6, 3.0, 9.0, 1.0)
OBJC_ARC_UNAVAILABLE;
OBJC_EXPORT void *objc_destructInstance(id obj)
OBJC_AVAILABLE(10.6, 3.0, 9.0, 1.0)
OBJC_ARC_UNAVAILABLE;
OBJC_EXPORT Class objc_allocateClassPair(Class superclass, const char *name,
size_t extraBytes)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT void objc_registerClassPair(Class cls)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT Class objc_duplicateClass(Class original, const char *name, size_t extraBytes)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT void objc_disposeClassPair(Class cls)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT SEL method_getName(Method m)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT IMP method_getImplementation(Method m)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT const char *method_getTypeEncoding(Method m)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT unsigned int method_getNumberOfArguments(Method m)
OBJC_AVAILABLE(10.0, 2.0, 9.0, 1.0);
OBJC_EXPORT char *method_copyReturnType(Method m)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT char *method_copyArgumentType(Method m, unsigned int index)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT void method_getReturnType(Method m, char *dst, size_t dst_len)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT void method_getArgumentType(Method m, unsigned int index,
char *dst, size_t dst_len)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT struct objc_method_description *method_getDescription(Method m)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT IMP method_setImplementation(Method m, IMP imp)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT void method_exchangeImplementations(Method m1, Method m2)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT const char *ivar_getName(Ivar v)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT const char *ivar_getTypeEncoding(Ivar v)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT ptrdiff_t ivar_getOffset(Ivar v)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT const char *property_getName(objc_property_t property)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT const char *property_getAttributes(objc_property_t property)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT objc_property_attribute_t *property_copyAttributeList(objc_property_t property, unsigned int *outCount)
OBJC_AVAILABLE(10.7, 4.3, 9.0, 1.0);
OBJC_EXPORT char *property_copyAttributeValue(objc_property_t property, const char *attributeName)
OBJC_AVAILABLE(10.7, 4.3, 9.0, 1.0);
OBJC_EXPORT Protocol *objc_getProtocol(const char *name)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT Protocol * __unsafe_unretained *objc_copyProtocolList(unsigned int *outCount)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT BOOL protocol_conformsToProtocol(Protocol *proto, Protocol *other)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT BOOL protocol_isEqual(Protocol *proto, Protocol *other)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT const char *protocol_getName(Protocol *p)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT struct objc_method_description protocol_getMethodDescription(Protocol *p, SEL aSel, BOOL isRequiredMethod, BOOL isInstanceMethod)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT struct objc_method_description *protocol_copyMethodDescriptionList(Protocol *p, BOOL isRequiredMethod, BOOL isInstanceMethod, unsigned int *outCount)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT objc_property_t protocol_getProperty(Protocol *proto, const char *name, BOOL isRequiredProperty, BOOL isInstanceProperty)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT objc_property_t *protocol_copyPropertyList(Protocol *proto, unsigned int *outCount)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT objc_property_t *protocol_copyPropertyList2(Protocol *proto, unsigned int *outCount, BOOL isRequiredProperty, BOOL isInstanceProperty)
OBJC_AVAILABLE(10.12, 10.0, 10.0, 3.0);
OBJC_EXPORT Protocol * __unsafe_unretained *protocol_copyProtocolList(Protocol *proto, unsigned int *outCount)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT Protocol *objc_allocateProtocol(const char *name)
OBJC_AVAILABLE(10.7, 4.3, 9.0, 1.0);
OBJC_EXPORT void objc_registerProtocol(Protocol *proto)
OBJC_AVAILABLE(10.7, 4.3, 9.0, 1.0);
OBJC_EXPORT void protocol_addMethodDescription(Protocol *proto, SEL name, const char *types, BOOL isRequiredMethod, BOOL isInstanceMethod)
OBJC_AVAILABLE(10.7, 4.3, 9.0, 1.0);
OBJC_EXPORT void protocol_addProtocol(Protocol *proto, Protocol *addition)
OBJC_AVAILABLE(10.7, 4.3, 9.0, 1.0);
OBJC_EXPORT void protocol_addProperty(Protocol *proto, const char *name, const objc_property_attribute_t *attributes, unsigned int attributeCount, BOOL isRequiredProperty, BOOL isInstanceProperty)
OBJC_AVAILABLE(10.7, 4.3, 9.0, 1.0);
OBJC_EXPORT const char **objc_copyImageNames(unsigned int *outCount)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT const char *class_getImageName(Class cls)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT const char **objc_copyClassNamesForImage(const char *image,
unsigned int *outCount)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT const char *sel_getName(SEL sel)
OBJC_AVAILABLE(10.0, 2.0, 9.0, 1.0);
OBJC_EXPORT SEL sel_registerName(const char *str)
OBJC_AVAILABLE(10.0, 2.0, 9.0, 1.0);
OBJC_EXPORT BOOL sel_isEqual(SEL lhs, SEL rhs)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT void objc_enumerationMutation(id obj)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT void objc_setEnumerationMutationHandler(void (*handler)(id))
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT void objc_setForwardHandler(void *fwd, void *fwd_stret)
OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0);
OBJC_EXPORT IMP imp_implementationWithBlock(id block)
OBJC_AVAILABLE(10.7, 4.3, 9.0, 1.0);
OBJC_EXPORT id imp_getBlock(IMP anImp)
OBJC_AVAILABLE(10.7, 4.3, 9.0, 1.0);
OBJC_EXPORT BOOL imp_removeBlock(IMP anImp)
OBJC_AVAILABLE(10.7, 4.3, 9.0, 1.0);
OBJC_EXPORT id objc_loadWeak(id *location)
OBJC_AVAILABLE(10.7, 5.0, 9.0, 1.0);
OBJC_EXPORT id objc_storeWeak(id *location, id obj)
OBJC_AVAILABLE(10.7, 5.0, 9.0, 1.0);
typedef OBJC_ENUM(uintptr_t, objc_AssociationPolicy) {
OBJC_ASSOCIATION_ASSIGN = 0, /**< Specifies a weak reference to the associated object. */
OBJC_ASSOCIATION_RETAIN_NONATOMIC = 1, /**< Specifies a strong reference to the associated object.
* The association is not made atomically. */
OBJC_ASSOCIATION_COPY_NONATOMIC = 3, /**< Specifies that the associated object is copied.
* The association is not made atomically. */
OBJC_ASSOCIATION_RETAIN = 01401, /**< Specifies a strong reference to the associated object.
* The association is made atomically. */
OBJC_ASSOCIATION_COPY = 01403 /**< Specifies that the associated object is copied.
* The association is made atomically. */
};
OBJC_EXPORT void objc_setAssociatedObject(id object, const void *key, id value, objc_AssociationPolicy policy)
OBJC_AVAILABLE(10.6, 3.1, 9.0, 1.0);
OBJC_EXPORT id objc_getAssociatedObject(id object, const void *key)
OBJC_AVAILABLE(10.6, 3.1, 9.0, 1.0);
OBJC_EXPORT void objc_removeAssociatedObjects(id object)
OBJC_AVAILABLE(10.6, 3.1, 9.0, 1.0);
struct objc_method_description_list {
int count;
struct objc_method_description list[1];
};
struct objc_protocol_list {
struct objc_protocol_list *next;
long count;
__unsafe_unretained Protocol *list[1];
};
struct objc_category {
char *category_name OBJC2_UNAVAILABLE;
char *class_name OBJC2_UNAVAILABLE;
struct objc_method_list *instance_methods OBJC2_UNAVAILABLE;
struct objc_method_list *class_methods OBJC2_UNAVAILABLE;
struct objc_protocol_list *protocols OBJC2_UNAVAILABLE;
}
struct objc_ivar {
char *ivar_name OBJC2_UNAVAILABLE;
char *ivar_type OBJC2_UNAVAILABLE;
int ivar_offset OBJC2_UNAVAILABLE;
#ifdef __LP64__
int space OBJC2_UNAVAILABLE;
#endif
}
struct objc_ivar_list {
int ivar_count OBJC2_UNAVAILABLE;
#ifdef __LP64__
int space OBJC2_UNAVAILABLE;
#endif
/* variable length structure */
struct objc_ivar ivar_list[1] OBJC2_UNAVAILABLE;
}
struct objc_method {
SEL method_name OBJC2_UNAVAILABLE;
char *method_types OBJC2_UNAVAILABLE;
IMP method_imp OBJC2_UNAVAILABLE;
} OBJC2_UNAVAILABLE;
struct objc_method_list {
struct objc_method_list *obsolete OBJC2_UNAVAILABLE;
int method_count OBJC2_UNAVAILABLE;
#ifdef __LP64__
int space OBJC2_UNAVAILABLE;
#endif
/* variable length structure */
struct objc_method method_list[1] OBJC2_UNAVAILABLE;
}
typedef struct objc_symtab *Symtab OBJC2_UNAVAILABLE;
struct objc_symtab {
unsigned long sel_ref_cnt OBJC2_UNAVAILABLE;
SEL *refs OBJC2_UNAVAILABLE;
unsigned short cls_def_cnt OBJC2_UNAVAILABLE;
unsigned short cat_def_cnt OBJC2_UNAVAILABLE;
void *defs[1] /* variable size */ OBJC2_UNAVAILABLE;
}
typedef struct objc_cache *Cache OBJC2_UNAVAILABLE;
#define CACHE_BUCKET_NAME(B) ((B)->method_name)
#define CACHE_BUCKET_IMP(B) ((B)->method_imp)
#define CACHE_BUCKET_VALID(B) (B)
#ifndef __LP64__
#define CACHE_HASH(sel, mask) (((uintptr_t)(sel)>>2) & (mask))
#else
#define CACHE_HASH(sel, mask) (((unsigned int)((uintptr_t)(sel)>>3)) & (mask))
#endif
struct objc_cache {
unsigned int mask /* total = mask + 1 */ OBJC2_UNAVAILABLE;
unsigned int occupied OBJC2_UNAVAILABLE;
Method buckets[1] OBJC2_UNAVAILABLE;
};
typedef struct objc_module *Module OBJC2_UNAVAILABLE;
struct objc_module {
unsigned long version OBJC2_UNAVAILABLE;
unsigned long size OBJC2_UNAVAILABLE;
const char *name OBJC2_UNAVAILABLE;
Symtab symtab OBJC2_UNAVAILABLE;
} OBJC2_UNAVAILABLE;
#else
struct objc_method_list;
