/* * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 * Jonathan Schleifer * * 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 #include #include #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 Class objc_allocateClassPair(Class, const char*, size_t); extern void objc_registerClassPair(Class); 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 bool class_addMethod(Class, SEL, IMP, const char*); 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); extern void objc_zero_weak_references(id); /* * 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(struct objc_abi_module*); 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); extern void objc_exception_throw(id); extern int objc_sync_enter(id); extern int objc_sync_exit(id); extern id objc_getProperty(id, SEL, ptrdiff_t, BOOL); extern void objc_setProperty(id, SEL, ptrdiff_t, id, BOOL, signed char); extern void objc_getPropertyStruct(void*, const void*, ptrdiff_t, BOOL, BOOL); extern void objc_setPropertyStruct(void*, const void*, ptrdiff_t, BOOL, BOOL); extern void objc_enumerationMutation(id); extern void objc_setEnumerationMutationHandler(void (*handler)(id)); #ifdef __cplusplus } #endif #undef OBJC_UNSAFE_UNRETAINED #undef OBJC_ROOT_CLASS #endif