/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
* Jonathan Schleifer <js@heap.zone>
*
* All rights reserved.
*
* This file is part of ObjFW. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE.QPL included in
* the packaging of this file.
*
* Alternatively, it may be distributed under the terms of the GNU General
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#ifndef __OBJFW_RUNTIME_H__
#define __OBJFW_RUNTIME_H__
#ifndef __STDC_LIMIT_MACROS
# define __STDC_LIMIT_MACROS
#endif
#ifndef __STDC_CONSTANT_MACROS
# define __STDC_CONSTANT_MACROS
#endif
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#ifndef __has_feature
# define __has_feature(x) 0
#endif
#ifndef __has_attribute
# define __has_attribute(x) 0
#endif
#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
#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);
struct objc_class {
Class _Nonnull isa;
Class _Nullable superclass;
const char *_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;
unsigned long abi_version;
int32_t *_Nonnull *_Nullable ivar_offsets;
struct objc_property_list *_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;
};
struct objc_selector {
uintptr_t uid;
const char *_Nullable types;
};
struct objc_super {
id OBJC_UNSAFE_UNRETAINED _Nullable self;
Class _Nonnull cls;
};
struct objc_method {
struct objc_selector sel;
IMP _Nonnull imp;
};
struct objc_method_list {
struct objc_method_list *_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;
};
struct objc_ivar {
const char *_Nonnull name;
const char *_Nonnull type;
unsigned int offset;
};
struct objc_ivar_list {
unsigned int count;
struct objc_ivar ivars[1];
};
enum objc_property_attributes {
OBJC_PROPERTY_READONLY = 0x01,
OBJC_PROPERTY_GETTER = 0x02,
OBJC_PROPERTY_ASSIGN = 0x04,
OBJC_PROPERTY_READWRITE = 0x08,
OBJC_PROPERTY_RETAIN = 0x10,
OBJC_PROPERTY_COPY = 0x20,
OBJC_PROPERTY_NONATOMIC = 0x40,
OBJC_PROPERTY_SETTER = 0x80
};
enum objc_property_extended_attributes {
OBJC_PROPERTY_SYNTHESIZE = 0x1,
OBJC_PROPERTY_DYNAMIC = 0x2,
OBJC_PROPERTY_PROTOCOL = 0x3,
OBJC_PROPERTY_ATOMIC = 0x4,
OBJC_PROPERTY_WEAK = 0x8,
OBJC_PROPERTY_STRONG = 0x10,
OBJC_PROPERTY_UNSAFE_UNRETAINED = 0x20
};
struct objc_property {
const char *_Nonnull name;
unsigned char attributes, extended_attributes;
struct {
const char *_Nullable name;
const char *_Nullable type;
} getter, setter;
};
struct objc_property_list {
unsigned int count;
struct objc_property_list *_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;
#ifdef __OBJC__
}
@end
#else
} Protocol;
#endif
struct objc_protocol_list {
struct objc_protocol_list *_Nullable next;
long count;
Protocol *OBJC_UNSAFE_UNRETAINED _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 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);
/*
* 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,
ptrdiff_t, BOOL, BOOL);
extern void objc_setPropertyStruct(void *_Nonnull, const void *_Nonnull,
ptrdiff_t, BOOL, BOOL);
extern void objc_enumerationMutation(id _Nonnull);
extern void objc_setEnumerationMutationHandler(
objc_enumeration_mutation_handler _Nullable);
#ifdef __cplusplus
}
#endif
#undef OBJC_UNSAFE_UNRETAINED
#undef OBJC_ROOT_CLASS
#if !__has_feature(nullability)
# undef _Nonnull
# undef _Nullable
#endif
#endif