diff options
| author | Zuhaitz Méndez Fernández de Aránguiz <zuhaitz@debian> | 2026-01-30 02:24:10 +0000 |
|---|---|---|
| committer | Zuhaitz Méndez Fernández de Aránguiz <zuhaitz@debian> | 2026-01-30 02:24:10 +0000 |
| commit | 0427d254207a69e394499d1abaea768f484f1cb5 (patch) | |
| tree | f16b97f798a6e4995ffe467b046efe70bb66904e /src/codegen | |
| parent | b27b128f97596236a4ce6a3d9b40ef3dfad84d06 (diff) | |
Improvements related to C23 (#112)
Diffstat (limited to 'src/codegen')
| -rw-r--r-- | src/codegen/codegen_decl.c | 4 | ||||
| -rw-r--r-- | src/codegen/compat.h | 6 |
2 files changed, 9 insertions, 1 deletions
diff --git a/src/codegen/codegen_decl.c b/src/codegen/codegen_decl.c index 31513ef..0b78676 100644 --- a/src/codegen/codegen_decl.c +++ b/src/codegen/codegen_decl.c @@ -85,7 +85,11 @@ void emit_preamble(ParserContext *ctx, FILE *out) else { // C mode + fputs("#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 202300L\n", out); + fputs("#define ZC_AUTO auto\n", out); + fputs("#else\n", out); fputs("#define ZC_AUTO __auto_type\n", out); + fputs("#endif\n", out); fputs("#define ZC_CAST(T, x) ((T)(x))\n", out); fputs(ZC_TCC_COMPAT_STR, out); fputs("static inline const char* _z_bool_str(_Bool b) { return b ? \"true\" : " diff --git a/src/codegen/compat.h b/src/codegen/compat.h index 63a5af5..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). |