/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
* 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__
#include <stdint.h>
#include <stdbool.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_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 (*IMP)(id, SEL, ...);
typedef void (*objc_uncaught_exception_handler)(id);
struct objc_class {
Class isa;
Class superclass;
const char *name;
unsigned long version;
unsigned long info;
long instance_size;
struct objc_ivar_list *ivars;
struct objc_method_list *methodlist;
struct objc_dtable *dtable;
Class *subclass_list;
void *sibling_class;
struct objc_protocol_list *protocols;
void *gc_object_type;
unsigned long abi_version;
int32_t **ivar_offsets;
struct objc_property_list *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 isa;
};
struct objc_selector {
uintptr_t uid;
const char *types;
};
struct objc_super {
id OBJC_UNSAFE_UNRETAINED self;
Class cls;
};
struct objc_method {
struct objc_selector sel;
IMP imp;
};
struct objc_method_list {
struct objc_method_list *next;
unsigned int count;
struct objc_method methods[1];
};
struct objc_category {
const char *category_name;
const char *class_name;
struct objc_method_list *instance_methods;
struct objc_method_list *class_methods;
struct objc_protocol_list *protocols;
};
struct objc_ivar {
const char *name;
const char *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 *name;
unsigned char attributes, extended_attributes;
struct {
const char *name;
const char *type;
} getter, setter;
};
struct objc_property_list {
unsigned int count;
struct objc_property_list *next;
struct objc_property properties[1];
};
#ifdef __OBJC__
OBJC_ROOT_CLASS
@interface Protocol
{
@public
#else
typedef struct {
#endif
Class isa;
const char *name;
struct objc_protocol_list *protocol_list;
struct objc_abi_method_description_list *instance_methods;
struct objc_abi_method_description_list *class_methods;
#ifdef __OBJC__
}
@end
#else
} Protocol;
#endif
struct objc_protocol_list {
struct objc_protocol_list *next;
long count;
Protocol *OBJC_UNSAFE_UNRETAINED list[1];
};
#ifdef __cplusplus
extern "C" {
#endif
extern SEL sel_registerName(const char*);
extern const char* sel_getName(SEL);
extern bool sel_isEqual(SEL, SEL);
extern id objc_lookUpClass(const char*);
extern id objc_getClass(const char*);
extern id objc_getRequiredClass(const char*);
extern unsigned int objc_getClassList(Class*, unsigned int);
extern Class* objc_copyClassList(unsigned int*);
extern bool class_isMetaClass(Class);
extern const char* class_getName(Class);
extern Class class_getSuperclass(Class);
extern unsigned long class_getInstanceSize(Class);
extern bool class_respondsToSelector(Class, SEL);
extern bool class_conformsToProtocol(Class, Protocol*);
extern IMP class_getMethodImplementation(Class, SEL);
extern IMP class_getMethodImplementation_stret(Class, SEL);
extern const char* class_getMethodTypeEncoding(Class, SEL);
extern IMP class_replaceMethod(Class, SEL, IMP, const char*);
extern Class object_getClass(id);
extern Class object_setClass(id, Class);
extern const char* object_getClassName(id);
extern const char* protocol_getName(Protocol*);
extern bool protocol_isEqual(Protocol*, Protocol*);
extern bool protocol_conformsToProtocol(Protocol*, Protocol*);
extern void objc_exit(void);
extern objc_uncaught_exception_handler objc_setUncaughtExceptionHandler(
objc_uncaught_exception_handler);
extern void objc_setForwardHandler(IMP, IMP);
extern id objc_autorelease(id);
extern void* objc_autoreleasePoolPush(void);
extern void objc_autoreleasePoolPop(void*);
extern id _objc_rootAutorelease(id);
/* Used by the compiler, but can be called manually. */
extern IMP objc_msg_lookup(id, SEL);
extern IMP objc_msg_lookup_stret(id, SEL);
extern IMP objc_msg_lookup_super(struct objc_super*, SEL);
extern IMP objc_msg_lookup_super_stret(struct objc_super*, SEL);
#ifdef __cplusplus
}
#endif
#undef OBJC_UNSAFE_UNRETAINED
#undef OBJC_ROOT_CLASS
#endif