diff options
Diffstat (limited to 'src/codegen/compat.h')
| -rw-r--r-- | src/codegen/compat.h | 84 |
1 files changed, 83 insertions, 1 deletions
diff --git a/src/codegen/compat.h b/src/codegen/compat.h index f2d221a..f8d9a4e 100644 --- a/src/codegen/compat.h +++ b/src/codegen/compat.h @@ -14,7 +14,11 @@ #define ZC_EXTERN_C_END } #else /* C mode */ -#define ZC_AUTO __auto_type ///< Auto type inference. +#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 202300L +#define ZC_AUTO auto ///< C23 standard auto. +#else +#define ZC_AUTO __auto_type ///< GCC/Clang extension. +#endif #define ZC_CAST(T, x) ((T)(x)) ///< Explicit cast. #define ZC_REINTERPRET(T, x) ((T)(x)) ///< Reinterpret cast. #define ZC_EXTERN_C ///< Extern "C" (no-op in C). @@ -22,6 +26,58 @@ #define ZC_EXTERN_C_END #endif +#ifdef __TINYC__ +/* TCC compatibility */ +#ifndef __auto_type +#define __auto_type __typeof__ +#endif + +#ifndef __builtin_expect +#define __builtin_expect(x, v) (x) +#endif + +#ifndef __builtin_unreachable +#define __builtin_unreachable() +#endif +#endif + +/* Centralized string definition for codegen emission */ +#define ZC_TCC_COMPAT_STR \ + "#ifdef __TINYC__\n" \ + "#ifndef __auto_type\n" \ + "#define __auto_type __typeof__\n" \ + "#endif\n" \ + "\n" \ + "#ifndef __builtin_expect\n" \ + "#define __builtin_expect(x, v) (x)\n" \ + "#endif\n" \ + "\n" \ + "#ifndef __builtin_unreachable\n" \ + "#define __builtin_unreachable()\n" \ + "#endif\n" \ + "#endif\n" + +/* Generic selection string for C mode */ +#define ZC_C_GENERIC_STR \ + "#ifdef __OBJC__\n" \ + "#define _z_objc_map ,id: \"%s\", Class: \"%s\", SEL: \"%s\"\n" \ + "#define _z_objc_arg_map(x) ,id: [(id)(x) description].UTF8String, Class: " \ + "class_getName((Class)(x)), SEL: sel_getName((SEL)(x))\n" \ + "#else\n" \ + "#define _z_objc_map\n" \ + "#define _z_objc_arg_map(x)\n" \ + "#endif\n" \ + "\n" \ + "#define _z_str(x) _Generic((x), _Bool: \"%s\", char: \"%c\", " \ + "signed char: \"%c\", unsigned char: \"%u\", short: \"%d\", " \ + "unsigned short: \"%u\", int: \"%d\", unsigned int: \"%u\", " \ + "long: \"%ld\", unsigned long: \"%lu\", long long: \"%lld\", " \ + "unsigned long long: \"%llu\", float: \"%f\", double: \"%f\", " \ + "char*: \"%s\", void*: \"%p\" _z_objc_map)\n" + +#define ZC_C_ARG_GENERIC_STR \ + "#define _z_arg(x) _Generic((x), _Bool: _z_bool_str(x) _z_objc_arg_map(x), default: (x))\n" + #ifdef __cplusplus #include <type_traits> @@ -95,6 +151,32 @@ inline const char *_zc_fmt(void *) } #define _z_str(x) _zc_fmt(x) + +#ifdef __OBJC__ +#include <objc/objc.h> +#include <objc/runtime.h> +#include <objc/message.h> // for direct calls if needed, but [x description] is fine + +inline const char *_zc_fmt(id x) +{ + return [[x description] UTF8String]; +} +inline const char *_zc_fmt(Class x) +{ + return class_getName(x); +} +inline const char *_zc_fmt(SEL x) +{ + return sel_getName(x); +} +// BOOL is signed char usually, already handled? +// "typedef signed char BOOL;" on standard apple headers. +// If it maps to signed char, `_zc_fmt(signed char)` handles it ("%c"). +// We might want "YES"/"NO" for BOOL. +// But we can't distinguish typedefs in C++ function overloads easily if underlying type is same. +// We'll leave BOOL as %c or %d for now to avoid ambiguity errors. +#endif + #endif #endif |