naett.c

Tiny cross-platform HTTP / HTTPS client library in C.
git clone git://git.finwo.net/lib/naett.c
Log | Files | Refs | README | LICENSE

naett_objc.h (2179B)

      1 #ifndef NAETT_OBJC_H
      2 #define NAETT_OBJC_H
      3 
      4 #if defined(__IOS__) || defined (__MACOS__)
      5 #include <assert.h>
      6 #include <math.h>
      7 
      8 #include <objc/NSObjCRuntime.h>
      9 #include <objc/message.h>
     10 #include <objc/objc.h>
     11 #include <objc/runtime.h>
     12 
     13 #if defined(__OBJC__) && __has_feature(objc_arc)
     14 #error "ARC is not supported"
     15 #endif
     16 
     17 // ABI is a bit different between platforms
     18 #ifdef __arm64__
     19 #define abi_objc_msgSend_stret objc_msgSend
     20 #else
     21 #define abi_objc_msgSend_stret objc_msgSend_stret
     22 #endif
     23 #ifdef __i386__
     24 #define abi_objc_msgSend_fpret objc_msgSend_fpret
     25 #else
     26 #define abi_objc_msgSend_fpret objc_msgSend
     27 #endif
     28 
     29 #define objc_msgSendSuper_t(RET, ...) ((RET(*)(struct objc_super*, SEL, ##__VA_ARGS__))objc_msgSendSuper)
     30 #define objc_msgSend_t(RET, ...) ((RET(*)(id, SEL, ##__VA_ARGS__))objc_msgSend)
     31 #define objc_msgSend_stret_t(RET, ...) ((RET(*)(id, SEL, ##__VA_ARGS__))abi_objc_msgSend_stret)
     32 #define objc_msgSend_id objc_msgSend_t(id)
     33 #define objc_msgSend_void objc_msgSend_t(void)
     34 #define objc_msgSend_void_id objc_msgSend_t(void, id)
     35 #define objc_msgSend_void_bool objc_msgSend_t(void, bool)
     36 
     37 #define sel(NAME) sel_registerName(NAME)
     38 #define class(NAME) ((id)objc_getClass(NAME))
     39 #define makeClass(NAME, SUPER) \
     40     objc_allocateClassPair((Class)objc_getClass(SUPER), NAME, 0)
     41 
     42 // Check here to get the signature right:
     43 // https://nshipster.com/type-encodings/
     44 // https://ko9.org/posts/encode-types/
     45 #define addMethod(CLASS, NAME, IMPL, SIGNATURE) \
     46     if (!class_addMethod(CLASS, sel(NAME), (IMP) (IMPL), (SIGNATURE))) assert(false)
     47 
     48 #define addIvar(CLASS, NAME, SIZE, SIGNATURE) \
     49     if (!class_addIvar(CLASS, NAME, SIZE, rint(log2(SIZE)), SIGNATURE)) assert(false)
     50 
     51 #define objc_alloc(CLASS) objc_msgSend_id(class(CLASS), sel("alloc"))
     52 #define autorelease(OBJ) objc_msgSend_void(OBJ, sel("autorelease"))
     53 #define retain(OBJ) objc_msgSend_void(OBJ, sel("retain"))
     54 #define release(OBJ) objc_msgSend_void(OBJ, sel("release"))
     55 
     56 #if __LP64__ || NS_BUILD_32_LIKE_64
     57 #define NSIntegerEncoding "q"
     58 #define NSUIntegerEncoding "L"
     59 #else
     60 #define NSIntegerEncoding "i"
     61 #define NSUIntegerEncoding "I"
     62 #endif
     63 
     64 #endif // defined(__IOS__) || defined (__MACOS__)
     65 #endif // NAETT_OBJC_H