ObjFW  Check-in [5116a3709c]

Overview
Comment:runtime.h: Never undefine _Nullable / _Nonnull
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SHA3-256: 5116a3709c81bdf5eccee8200b2b4e611f7253220050ea653e6522ce1bca7b20
User & Date: js on 2017-05-16 23:22:20
Other Links: manifest | tags
Context
2017-05-17
00:13
Add in_addr_t for MorphOS check-in: c7a45d0140 user: js tags: trunk
2017-05-16
23:22
runtime.h: Never undefine _Nullable / _Nonnull check-in: 5116a3709c user: js tags: trunk
22:58
threading.h: Remove unconditional sched.h include check-in: 510158d026 user: js tags: trunk
Changes
Hide Diffs Side-by-Side Diffs Ignore Whitespace Patch

Modified src/runtime/runtime-private.h from [732df9cb69] to [69fcb5506f].

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 * file.
 */

#include "config.h"

#include "platform.h"

#if !defined(__has_feature) || !__has_feature(nullability)
# define _Nonnull
# define _Nullable
#if defined(__has_feature) && __has_feature(nullability)
# define OBJC_NONNULL _Nonnull
# define OBJC_NULLABLE _Nullable
#else
# define OBJC_NONNULL
# define OBJC_NULLABLE
#endif

struct objc_abi_class {
	struct objc_abi_class *_Nonnull metaclass;
	const char *_Nullable superclass;
	const char *_Nonnull name;
	struct objc_abi_class *OBJC_NONNULL metaclass;
	const char *OBJC_NULLABLE superclass;
	const char *OBJC_NONNULL name;
	unsigned long version;
	unsigned long info;
	long instance_size;
	void *_Nullable ivars;
	struct objc_abi_method_list *_Nullable methodlist;
	void *_Nullable dtable;
	void *_Nullable subclass_list;
	void *_Nullable sibling_class;
	void *_Nullable protocols;
	void *_Nullable gc_object_type;
	void *OBJC_NULLABLE ivars;
	struct objc_abi_method_list *OBJC_NULLABLE methodlist;
	void *OBJC_NULLABLE dtable;
	void *OBJC_NULLABLE subclass_list;
	void *OBJC_NULLABLE sibling_class;
	void *OBJC_NULLABLE protocols;
	void *OBJC_NULLABLE gc_object_type;
	long abi_version;
	int32_t *_Nonnull *_Nullable ivar_offsets;
	void *_Nullable properties;
	int32_t *OBJC_NONNULL *OBJC_NULLABLE ivar_offsets;
	void *OBJC_NULLABLE properties;
};

struct objc_abi_selector {
	const char *_Nonnull name;
	const char *_Nullable types;
	const char *OBJC_NONNULL name;
	const char *OBJC_NULLABLE types;
};

struct objc_abi_method {
	struct objc_abi_selector sel;
	IMP _Nonnull imp;
	IMP OBJC_NONNULL imp;
};

struct objc_abi_method_list {
	struct objc_abi_method_list *_Nullable next;
	struct objc_abi_method_list *OBJC_NULLABLE next;
	unsigned int count;
	struct objc_abi_method methods[1];
};

struct objc_abi_category {
	const char *_Nonnull category_name;
	const char *_Nonnull class_name;
	struct objc_abi_method_list *_Nullable instance_methods;
	struct objc_abi_method_list *_Nullable class_methods;
	struct objc_protocol_list *_Nullable protocols;
	const char *OBJC_NONNULL category_name;
	const char *OBJC_NONNULL class_name;
	struct objc_abi_method_list *OBJC_NULLABLE instance_methods;
	struct objc_abi_method_list *OBJC_NULLABLE class_methods;
	struct objc_protocol_list *OBJC_NULLABLE protocols;
};

struct objc_abi_method_description {
	const char *_Nonnull name;
	const char *_Nonnull types;
	const char *OBJC_NONNULL name;
	const char *OBJC_NONNULL types;
};

struct objc_abi_method_description_list {
	int count;
	struct objc_abi_method_description list[1];
};

struct objc_abi_static_instances {
	const char *_Nonnull class_name;
	id _Nullable instances[1];
	const char *OBJC_NONNULL class_name;
	id OBJC_NULLABLE instances[1];
};

struct objc_abi_symtab {
	unsigned long unknown;
	struct objc_abi_selector *_Nullable sel_refs;
	struct objc_abi_selector *OBJC_NULLABLE sel_refs;
	uint16_t cls_def_cnt;
	uint16_t cat_def_cnt;
	void *_Nonnull defs[1];
	void *OBJC_NONNULL defs[1];
};

struct objc_abi_module {
	unsigned long version;	/* 9 = non-fragile */
	unsigned long size;
	const char *_Nullable name;
	struct objc_abi_symtab *_Nonnull symtab;
	const char *OBJC_NULLABLE name;
	struct objc_abi_symtab *OBJC_NONNULL symtab;
};

struct objc_hashtable_bucket {
	const void *_Nonnull key, *_Nonnull obj;
	const void *OBJC_NONNULL key, *OBJC_NONNULL obj;
	uint32_t hash;
};

struct objc_hashtable {
	uint32_t (*_Nonnull hash)(const void *_Nonnull key);
	bool (*_Nonnull equal)(const void *_Nonnull key1,
	    const void *_Nonnull key2);
	uint32_t (*OBJC_NONNULL hash)(const void *OBJC_NONNULL key);
	bool (*OBJC_NONNULL equal)(const void *OBJC_NONNULL key1,
	    const void *OBJC_NONNULL key2);
	uint32_t count, size;
	struct objc_hashtable_bucket *_Nonnull *_Nullable data;
	struct objc_hashtable_bucket *OBJC_NONNULL *OBJC_NULLABLE data;
};

struct objc_sparsearray {
	struct objc_sparsearray_data {
		void *_Nullable next[256];
	} *_Nonnull data;
		void *OBJC_NULLABLE next[256];
	} *OBJC_NONNULL data;
	uint8_t index_size;
};

struct objc_dtable {
	struct objc_dtable_level2 {
#ifdef OF_SELUID24
		struct objc_dtable_level3 {
			IMP _Nullable buckets[256];
		} *_Nonnull buckets[256];
			IMP OBJC_NULLABLE buckets[256];
		} *OBJC_NONNULL buckets[256];
#else
		IMP _Nullable buckets[256];
		IMP OBJC_NULLABLE buckets[256];
#endif
	} *_Nonnull buckets[256];
	} *OBJC_NONNULL buckets[256];
};

extern void objc_register_all_categories(struct objc_abi_symtab *_Nonnull);
extern struct objc_category *_Nullable *_Nullable
    objc_categories_for_class(Class _Nonnull);
extern void objc_register_all_categories(struct objc_abi_symtab *OBJC_NONNULL);
extern struct objc_category *OBJC_NULLABLE *OBJC_NULLABLE
    objc_categories_for_class(Class OBJC_NONNULL);
extern void objc_unregister_all_categories(void);
extern void objc_initialize_class(Class _Nonnull);
extern void objc_update_dtable(Class _Nonnull);
extern void objc_register_all_classes(struct objc_abi_symtab *_Nonnull);
extern Class _Nullable objc_classname_to_class(const char *_Nonnull, bool);
extern void objc_unregister_class(Class _Nonnull);
extern void objc_initialize_class(Class OBJC_NONNULL);
extern void objc_update_dtable(Class OBJC_NONNULL);
extern void objc_register_all_classes(struct objc_abi_symtab *OBJC_NONNULL);
extern Class OBJC_NULLABLE objc_classname_to_class(const char *OBJC_NONNULL,
    bool);
extern void objc_unregister_class(Class OBJC_NONNULL);
extern void objc_unregister_all_classes(void);
extern uint32_t objc_hash_string(const void *_Nonnull);
extern bool objc_equal_string(const void *_Nonnull, const void *_Nonnull);
extern struct objc_hashtable *_Nonnull objc_hashtable_new(
    uint32_t (*_Nonnull)(const void *_Nonnull),
    bool (*_Nonnull)(const void *_Nonnull, const void *_Nonnull),
extern uint32_t objc_hash_string(const void *OBJC_NONNULL);
extern bool objc_equal_string(const void *OBJC_NONNULL,
    const void *OBJC_NONNULL);
extern struct objc_hashtable *OBJC_NONNULL objc_hashtable_new(
    uint32_t (*OBJC_NONNULL)(const void *OBJC_NONNULL),
    bool (*OBJC_NONNULL)(const void *OBJC_NONNULL, const void *OBJC_NONNULL),
    uint32_t);
extern struct objc_hashtable_bucket objc_deleted_bucket;
extern void objc_hashtable_set(struct objc_hashtable *_Nonnull,
    const void *_Nonnull, const void *_Nonnull);
extern void *_Nullable objc_hashtable_get(struct objc_hashtable *_Nonnull,
    const void *_Nonnull);
extern void objc_hashtable_delete(struct objc_hashtable *_Nonnull,
    const void *_Nonnull);
extern void objc_hashtable_free(struct objc_hashtable *_Nonnull);
extern void objc_register_selector(struct objc_abi_selector *_Nonnull);
extern void objc_register_all_selectors(struct objc_abi_symtab *_Nonnull);
extern void objc_hashtable_set(struct objc_hashtable *OBJC_NONNULL,
    const void *OBJC_NONNULL, const void *OBJC_NONNULL);
extern void *OBJC_NULLABLE objc_hashtable_get(
    struct objc_hashtable *OBJC_NONNULL, const void *OBJC_NONNULL);
extern void objc_hashtable_delete(struct objc_hashtable *OBJC_NONNULL,
    const void *OBJC_NONNULL);
extern void objc_hashtable_free(struct objc_hashtable *OBJC_NONNULL);
extern void objc_register_selector(struct objc_abi_selector *OBJC_NONNULL);
extern void objc_register_all_selectors(struct objc_abi_symtab *OBJC_NONNULL);
extern void objc_unregister_all_selectors(void);
extern struct objc_sparsearray *_Nonnull objc_sparsearray_new(uint8_t);
extern void *_Nullable objc_sparsearray_get(struct objc_sparsearray *_Nonnull,
    uintptr_t);
extern void objc_sparsearray_set(struct objc_sparsearray *_Nonnull, uintptr_t,
    void *_Nullable);
extern void objc_sparsearray_free(struct objc_sparsearray *_Nonnull);
extern struct objc_dtable *_Nonnull objc_dtable_new(void);
extern void objc_dtable_copy(struct objc_dtable *_Nonnull,
    struct objc_dtable *_Nonnull);
extern void objc_dtable_set(struct objc_dtable *_Nonnull, uint32_t,
    IMP _Nullable);
extern void objc_dtable_free(struct objc_dtable *_Nonnull);
extern struct objc_sparsearray *OBJC_NONNULL objc_sparsearray_new(uint8_t);
extern void *OBJC_NULLABLE objc_sparsearray_get(
    struct objc_sparsearray *OBJC_NONNULL, uintptr_t);
extern void objc_sparsearray_set(struct objc_sparsearray *OBJC_NONNULL,
    uintptr_t, void *OBJC_NULLABLE);
extern void objc_sparsearray_free(struct objc_sparsearray *OBJC_NONNULL);
extern struct objc_dtable *OBJC_NONNULL objc_dtable_new(void);
extern void objc_dtable_copy(struct objc_dtable *OBJC_NONNULL,
    struct objc_dtable *OBJC_NONNULL);
extern void objc_dtable_set(struct objc_dtable *OBJC_NONNULL, uint32_t,
    IMP OBJC_NULLABLE);
extern void objc_dtable_free(struct objc_dtable *OBJC_NONNULL);
extern void objc_dtable_cleanup(void);
extern void objc_init_static_instances(struct objc_abi_symtab *_Nonnull);
extern void objc_init_static_instances(struct objc_abi_symtab *OBJC_NONNULL);
extern void objc_forget_pending_static_instances(void);
#ifdef OF_HAVE_THREADS
extern void objc_global_mutex_lock(void);
extern void objc_global_mutex_unlock(void);
extern void objc_global_mutex_free(void);
#else
# define objc_global_mutex_lock()
# define objc_global_mutex_unlock()
# define objc_global_mutex_free()
#endif

static inline IMP _Nullable
objc_dtable_get(const struct objc_dtable *_Nonnull dtable, uint32_t idx)
static inline IMP OBJC_NULLABLE
objc_dtable_get(const struct objc_dtable *OBJC_NONNULL dtable, uint32_t idx)
{
#ifdef OF_SELUID24
	uint8_t i = idx >> 16;
	uint8_t j = idx >>  8;
	uint8_t k = idx;

	return dtable->buckets[i]->buckets[j]->buckets[k];
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	{								\
		fprintf(stderr, "[objc @ " __FILE__ ":%d] ", __LINE__);	\
		fprintf(stderr, __VA_ARGS__);				\
		fputs("\n", stderr);					\
		abort();						\
	}

#if !defined(__has_feature) || !__has_feature(nullability)
# undef _Nonnull
# undef _Nullable
#undef OBJC_NONNULL
#undef OBJC_NULLABLE
#endif

Modified src/runtime/runtime.h from [c2bf2e5fcb] to [134f947253].

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#if __has_feature(objc_arc)
# define OBJC_UNSAFE_UNRETAINED __unsafe_unretained
#else
# define OBJC_UNSAFE_UNRETAINED
#endif

#if !__has_feature(nullability)
# define _Nonnull
# define _Nullable
#if __has_feature(nullability)
# define OBJC_NONNULL _Nonnull
# define OBJC_NULLABLE _Nullable
#else
# define OBJC_NONNULL
# define OBJC_NULLABLE
#endif

#if __has_attribute(__objc_root_class__)
# define OBJC_ROOT_CLASS __attribute__((__objc_root_class__))
#else
# define OBJC_ROOT_CLASS
#endif

#define Nil (Class)0
#define nil (id)0
#define YES (BOOL)1
#define NO  (BOOL)0

typedef struct objc_class *Class;
typedef struct objc_object *id;
typedef const struct objc_selector *SEL;
typedef signed char BOOL;
typedef id _Nullable (*IMP)(id _Nonnull, SEL _Nonnull, ...);
typedef void (*objc_uncaught_exception_handler)(id _Nullable);
typedef void (*objc_enumeration_mutation_handler)(id _Nonnull);
typedef id OBJC_NULLABLE (*IMP)(id OBJC_NONNULL, SEL OBJC_NONNULL, ...);
typedef void (*objc_uncaught_exception_handler)(id OBJC_NULLABLE);
typedef void (*objc_enumeration_mutation_handler)(id OBJC_NONNULL);

struct objc_class {
	Class _Nonnull isa;
	Class _Nullable superclass;
	const char *_Nonnull name;
	Class OBJC_NONNULL isa;
	Class OBJC_NULLABLE superclass;
	const char *OBJC_NONNULL name;
	unsigned long version;
	unsigned long info;
	long instance_size;
	struct objc_ivar_list *_Nullable ivars;
	struct objc_method_list *_Nullable methodlist;
	struct objc_dtable *_Nullable dtable;
	Class _Nonnull *_Nullable subclass_list;
	void *_Nullable sibling_class;
	struct objc_protocol_list *_Nullable protocols;
	void *_Nullable gc_object_type;
	struct objc_ivar_list *OBJC_NULLABLE ivars;
	struct objc_method_list *OBJC_NULLABLE methodlist;
	struct objc_dtable *OBJC_NULLABLE dtable;
	Class OBJC_NONNULL *OBJC_NULLABLE subclass_list;
	void *OBJC_NULLABLE sibling_class;
	struct objc_protocol_list *OBJC_NULLABLE protocols;
	void *OBJC_NULLABLE gc_object_type;
	unsigned long abi_version;
	int32_t *_Nonnull *_Nullable ivar_offsets;
	struct objc_property_list *_Nullable properties;
	int32_t *OBJC_NONNULL *OBJC_NULLABLE ivar_offsets;
	struct objc_property_list *OBJC_NULLABLE properties;
};

enum objc_class_info {
	OBJC_CLASS_INFO_CLASS	    = 0x001,
	OBJC_CLASS_INFO_METACLASS   = 0x002,
	OBJC_CLASS_INFO_NEW_ABI	    = 0x010,
	OBJC_CLASS_INFO_SETUP	    = 0x100,
	OBJC_CLASS_INFO_LOADED	    = 0x200,
	OBJC_CLASS_INFO_DTABLE	    = 0x400,
	OBJC_CLASS_INFO_INITIALIZED = 0x800
};

struct objc_object {
	Class _Nonnull isa;
	Class OBJC_NONNULL isa;
};

struct objc_selector {
	uintptr_t uid;
	const char *_Nullable types;
	const char *OBJC_NULLABLE types;
};

struct objc_super {
	id OBJC_UNSAFE_UNRETAINED _Nullable self;
	Class _Nonnull cls;
	id OBJC_UNSAFE_UNRETAINED OBJC_NULLABLE self;
	Class OBJC_NONNULL cls;
};

struct objc_method {
	struct objc_selector sel;
	IMP _Nonnull imp;
	IMP OBJC_NONNULL imp;
};

struct objc_method_list {
	struct objc_method_list *_Nullable next;
	struct objc_method_list *OBJC_NULLABLE next;
	unsigned int count;
	struct objc_method methods[1];
};

struct objc_category {
	const char *_Nonnull category_name;
	const char *_Nonnull class_name;
	struct objc_method_list *_Nullable instance_methods;
	struct objc_method_list *_Nullable class_methods;
	struct objc_protocol_list *_Nullable protocols;
	const char *OBJC_NONNULL category_name;
	const char *OBJC_NONNULL class_name;
	struct objc_method_list *OBJC_NULLABLE instance_methods;
	struct objc_method_list *OBJC_NULLABLE class_methods;
	struct objc_protocol_list *OBJC_NULLABLE protocols;
};

struct objc_ivar {
	const char *_Nonnull name;
	const char *_Nonnull type;
	const char *OBJC_NONNULL name;
	const char *OBJC_NONNULL type;
	unsigned int offset;
};

struct objc_ivar_list {
	unsigned int count;
	struct objc_ivar ivars[1];
};
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	OBJC_PROPERTY_ATOMIC		=  0x4,
	OBJC_PROPERTY_WEAK		=  0x8,
	OBJC_PROPERTY_STRONG		= 0x10,
	OBJC_PROPERTY_UNSAFE_UNRETAINED = 0x20
};

struct objc_property {
	const char *_Nonnull name;
	const char *OBJC_NONNULL name;
	unsigned char attributes, extended_attributes;
	struct {
		const char *_Nullable name;
		const char *_Nullable type;
		const char *OBJC_NULLABLE name;
		const char *OBJC_NULLABLE type;
	} getter, setter;
};

struct objc_property_list {
	unsigned int count;
	struct objc_property_list *_Nullable next;
	struct objc_property_list *OBJC_NULLABLE next;
	struct objc_property properties[1];
};

#ifdef __OBJC__
OBJC_ROOT_CLASS
@interface Protocol
{
@public
#else
typedef struct {
#endif
	Class _Nonnull isa;
	const char *_Nonnull name;
	struct objc_protocol_list *_Nullable protocol_list;
	struct objc_abi_method_description_list *_Nullable instance_methods;
	struct objc_abi_method_description_list *_Nullable class_methods;
	Class OBJC_NONNULL isa;
	const char *OBJC_NONNULL name;
	struct objc_protocol_list *OBJC_NULLABLE protocol_list;
	struct objc_abi_method_description_list *OBJC_NULLABLE instance_methods;
	struct objc_abi_method_description_list *OBJC_NULLABLE class_methods;
#ifdef __OBJC__
}
@end
#else
} Protocol;
#endif

struct objc_protocol_list {
	struct objc_protocol_list *_Nullable next;
	struct objc_protocol_list *OBJC_NULLABLE next;
	long count;
	Protocol *OBJC_UNSAFE_UNRETAINED _Nonnull list[1];
	Protocol *OBJC_UNSAFE_UNRETAINED OBJC_NONNULL list[1];
};

#ifdef __cplusplus
extern "C" {
#endif
extern SEL _Nonnull sel_registerName(const char *_Nonnull);
extern const char *_Nonnull sel_getName(SEL _Nonnull);
extern bool sel_isEqual(SEL _Nonnull, SEL _Nonnull);
extern Class _Nonnull objc_allocateClassPair(Class _Nullable,
    const char *_Nonnull, size_t);
extern void objc_registerClassPair(Class _Nonnull);
extern id _Nullable objc_lookUpClass(const char *_Nonnull);
extern id _Nullable objc_getClass(const char *_Nonnull);
extern id _Nonnull objc_getRequiredClass(const char *_Nonnull);
extern unsigned int objc_getClassList(Class _Nonnull *_Nullable, unsigned int);
extern Class _Nonnull *_Nonnull objc_copyClassList(unsigned int *_Nullable);
extern bool class_isMetaClass(Class _Nullable);
extern const char *_Nonnull class_getName(Class _Nullable);
extern Class _Nullable class_getSuperclass(Class _Nullable);
extern unsigned long class_getInstanceSize(Class _Nullable);
extern bool class_respondsToSelector(Class _Nullable, SEL _Nonnull);
extern bool class_conformsToProtocol(Class _Nullable, Protocol *_Nonnull);
extern IMP _Nullable class_getMethodImplementation(Class _Nullable,
    SEL _Nonnull);
extern IMP _Nullable class_getMethodImplementation_stret(Class _Nullable,
    SEL _Nonnull);
extern const char *_Nullable class_getMethodTypeEncoding(Class _Nullable,
    SEL _Nonnull);
extern bool class_addMethod(Class _Nonnull, SEL _Nonnull, IMP _Nonnull,
    const char *_Nullable);
extern IMP _Nullable class_replaceMethod(Class _Nonnull, SEL _Nonnull,
    IMP _Nonnull, const char *_Nullable);
extern Class _Nullable object_getClass(id _Nullable);
extern Class _Nullable object_setClass(id _Nullable, Class _Nonnull);
extern const char *_Nonnull object_getClassName(id _Nullable);
extern const char *_Nonnull protocol_getName(Protocol *_Nonnull);
extern bool protocol_isEqual(Protocol *_Nonnull, Protocol *_Nonnull);
extern bool protocol_conformsToProtocol(Protocol *_Nonnull, Protocol *_Nonnull);
extern SEL OBJC_NONNULL sel_registerName(const char *OBJC_NONNULL);
extern const char *OBJC_NONNULL sel_getName(SEL OBJC_NONNULL);
extern bool sel_isEqual(SEL OBJC_NONNULL, SEL OBJC_NONNULL);
extern Class OBJC_NONNULL objc_allocateClassPair(Class OBJC_NULLABLE,
    const char *OBJC_NONNULL, size_t);
extern void objc_registerClassPair(Class OBJC_NONNULL);
extern id OBJC_NULLABLE objc_lookUpClass(const char *OBJC_NONNULL);
extern id OBJC_NULLABLE objc_getClass(const char *OBJC_NONNULL);
extern id OBJC_NONNULL objc_getRequiredClass(const char *OBJC_NONNULL);
extern unsigned int objc_getClassList(Class OBJC_NONNULL *OBJC_NULLABLE,
    unsigned int);
extern Class OBJC_NONNULL *OBJC_NONNULL objc_copyClassList(
    unsigned int *OBJC_NULLABLE);
extern bool class_isMetaClass(Class OBJC_NULLABLE);
extern const char *OBJC_NONNULL class_getName(Class OBJC_NULLABLE);
extern Class OBJC_NULLABLE class_getSuperclass(Class OBJC_NULLABLE);
extern unsigned long class_getInstanceSize(Class OBJC_NULLABLE);
extern bool class_respondsToSelector(Class OBJC_NULLABLE, SEL OBJC_NONNULL);
extern bool class_conformsToProtocol(Class OBJC_NULLABLE,
    Protocol *OBJC_NONNULL);
extern IMP OBJC_NULLABLE class_getMethodImplementation(Class OBJC_NULLABLE,
    SEL OBJC_NONNULL);
extern IMP OBJC_NULLABLE class_getMethodImplementation_stret(
    Class OBJC_NULLABLE, SEL OBJC_NONNULL);
extern const char *OBJC_NULLABLE class_getMethodTypeEncoding(
    Class OBJC_NULLABLE, SEL OBJC_NONNULL);
extern bool class_addMethod(Class OBJC_NONNULL, SEL OBJC_NONNULL,
    IMP OBJC_NONNULL, const char *OBJC_NULLABLE);
extern IMP OBJC_NULLABLE class_replaceMethod(Class OBJC_NONNULL,
    SEL OBJC_NONNULL, IMP OBJC_NONNULL, const char *OBJC_NULLABLE);
extern Class OBJC_NULLABLE object_getClass(id OBJC_NULLABLE);
extern Class OBJC_NULLABLE object_setClass(id OBJC_NULLABLE,
    Class OBJC_NONNULL);
extern const char *OBJC_NONNULL object_getClassName(id OBJC_NULLABLE);
extern const char *OBJC_NONNULL protocol_getName(Protocol *OBJC_NONNULL);
extern bool protocol_isEqual(Protocol *OBJC_NONNULL, Protocol *OBJC_NONNULL);
extern bool protocol_conformsToProtocol(Protocol *OBJC_NONNULL,
    Protocol *OBJC_NONNULL);
extern void objc_exit(void);
extern _Nullable objc_uncaught_exception_handler
    objc_setUncaughtExceptionHandler(objc_uncaught_exception_handler _Nullable);
extern void objc_setForwardHandler(IMP _Nullable, IMP _Nullable);
extern void objc_zero_weak_references(id _Nonnull);
extern OBJC_NULLABLE objc_uncaught_exception_handler
    objc_setUncaughtExceptionHandler(
    objc_uncaught_exception_handler OBJC_NULLABLE);
extern void objc_setForwardHandler(IMP OBJC_NULLABLE, IMP OBJC_NULLABLE);
extern void objc_zero_weak_references(id OBJC_NONNULL);

/*
 * Used by the compiler, but can also be called manually.
 *
 * These declarations are also required to prevent Clang's implicit
 * declarations which include __declspec(dllimport) on Windows.
 */
struct objc_abi_module;
extern void __objc_exec_class(void *_Nonnull);
extern IMP _Nonnull objc_msg_lookup(id _Nullable, SEL _Nonnull);
extern IMP _Nonnull objc_msg_lookup_stret(id _Nullable, SEL _Nonnull);
extern IMP _Nonnull objc_msg_lookup_super(struct objc_super *_Nonnull,
    SEL _Nonnull);
extern IMP _Nonnull objc_msg_lookup_super_stret(struct objc_super *_Nonnull,
    SEL _Nonnull);
extern void objc_exception_throw(id _Nullable);
extern int objc_sync_enter(id _Nullable);
extern int objc_sync_exit(id _Nullable);
extern id _Nullable objc_getProperty(id _Nonnull, SEL _Nonnull, ptrdiff_t,
    BOOL);
extern void objc_setProperty(id _Nonnull, SEL _Nonnull, ptrdiff_t, id _Nullable,
    BOOL, signed char);
extern void objc_getPropertyStruct(void *_Nonnull, const void *_Nonnull,
extern void __objc_exec_class(void *OBJC_NONNULL);
extern IMP OBJC_NONNULL objc_msg_lookup(id OBJC_NULLABLE, SEL OBJC_NONNULL);
extern IMP OBJC_NONNULL objc_msg_lookup_stret(id OBJC_NULLABLE,
    SEL OBJC_NONNULL);
extern IMP OBJC_NONNULL objc_msg_lookup_super(struct objc_super *OBJC_NONNULL,
    SEL OBJC_NONNULL);
extern IMP OBJC_NONNULL objc_msg_lookup_super_stret(
    struct objc_super *OBJC_NONNULL, SEL OBJC_NONNULL);
extern void objc_exception_throw(id OBJC_NULLABLE);
extern int objc_sync_enter(id OBJC_NULLABLE);
extern int objc_sync_exit(id OBJC_NULLABLE);
extern id OBJC_NULLABLE objc_getProperty(id OBJC_NONNULL, SEL OBJC_NONNULL,
    ptrdiff_t, BOOL);
extern void objc_setProperty(id OBJC_NONNULL, SEL OBJC_NONNULL, ptrdiff_t,
    id OBJC_NULLABLE, BOOL, signed char);
extern void objc_getPropertyStruct(void *OBJC_NONNULL, const void *OBJC_NONNULL,
    ptrdiff_t, BOOL, BOOL);
extern void objc_setPropertyStruct(void *_Nonnull, const void *_Nonnull,
extern void objc_setPropertyStruct(void *OBJC_NONNULL, const void *OBJC_NONNULL,
    ptrdiff_t, BOOL, BOOL);
extern void objc_enumerationMutation(id _Nonnull);
extern void objc_enumerationMutation(id OBJC_NONNULL);
extern void objc_setEnumerationMutationHandler(
    objc_enumeration_mutation_handler _Nullable);
    objc_enumeration_mutation_handler OBJC_NULLABLE);
#ifdef __cplusplus
}
#endif

#undef OBJC_NONNULL
#undef OBJC_NULLABLE
#undef OBJC_UNSAFE_UNRETAINED
#undef OBJC_ROOT_CLASS

#if !__has_feature(nullability)
# undef _Nonnull
# undef _Nullable
#endif

#endif

Fossil 2.23 [47362306a7] 2023-11-01 18:56:47
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