diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/codegen/codegen_decl.c | 5 | ||||
| -rw-r--r-- | src/codegen/compat.h | 31 |
2 files changed, 34 insertions, 2 deletions
diff --git a/src/codegen/codegen_decl.c b/src/codegen/codegen_decl.c index 5fb9f54..11cdece 100644 --- a/src/codegen/codegen_decl.c +++ b/src/codegen/codegen_decl.c @@ -3,6 +3,7 @@ #include "../parser/parser.h" #include "../zprep.h" #include "codegen.h" +#include "compat.h" #include <stdio.h> #include <stdlib.h> #include <string.h> @@ -12,7 +13,7 @@ static void emit_freestanding_preamble(FILE *out) fputs("#include <stddef.h>\n#include <stdint.h>\n#include " "<stdbool.h>\n#include <stdarg.h>\n", out); - fputs("#ifdef __TINYC__\n#define __auto_type __typeof__\n#endif\n", out); + fputs(ZC_TCC_COMPAT_STR, out); fputs("typedef size_t usize;\ntypedef char* string;\n", out); fputs("#define U0 void\n#define I8 int8_t\n#define U8 uint8_t\n#define I16 " "int16_t\n#define U16 uint16_t\n", @@ -86,7 +87,7 @@ void emit_preamble(ParserContext *ctx, FILE *out) // C mode fputs("#define ZC_AUTO __auto_type\n", out); fputs("#define ZC_CAST(T, x) ((T)(x))\n", out); - fputs("#ifdef __TINYC__\n#define __auto_type __typeof__\n#endif\n", out); + fputs(ZC_TCC_COMPAT_STR, out); fputs("static inline const char* _z_bool_str(_Bool b) { return b ? \"true\" : " "\"false\"; }\n", out); diff --git a/src/codegen/compat.h b/src/codegen/compat.h index f2d221a..26b0df5 100644 --- a/src/codegen/compat.h +++ b/src/codegen/compat.h @@ -22,6 +22,37 @@ #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" + #ifdef __cplusplus #include <type_traits> |