From 0427d254207a69e394499d1abaea768f484f1cb5 Mon Sep 17 00:00:00 2001 From: Zuhaitz Méndez Fernández de Aránguiz Date: Fri, 30 Jan 2026 02:24:10 +0000 Subject: Improvements related to C23 (#112) --- src/parser/parser_type.c | 84 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 84 insertions(+) (limited to 'src/parser/parser_type.c') diff --git a/src/parser/parser_type.c b/src/parser/parser_type.c index 65f2848..49e961c 100644 --- a/src/parser/parser_type.c +++ b/src/parser/parser_type.c @@ -300,6 +300,90 @@ Type *parse_type_base(ParserContext *ctx, Lexer *l) free(name); return type_new(TYPE_I16); } + + // C23 BitInt Support (i42, u256, etc.) + if ((name[0] == 'i' || name[0] == 'u') && isdigit(name[1])) + { + // Verify it is a purely numeric suffix + int valid = 1; + for (size_t k = 1; k < strlen(name); k++) + { + if (!isdigit(name[k])) + { + valid = 0; + break; + } + } + if (valid) + { + int width = atoi(name + 1); + if (width > 0) + { + // Map standard widths to standard types for standard ABI/C compabitility + if (name[0] == 'i') + { + if (width == 8) + { + free(name); + return type_new(TYPE_I8); + } + if (width == 16) + { + free(name); + return type_new(TYPE_I16); + } + if (width == 32) + { + free(name); + return type_new(TYPE_I32); + } + if (width == 64) + { + free(name); + return type_new(TYPE_I64); + } + if (width == 128) + { + free(name); + return type_new(TYPE_I128); + } + } + else + { + if (width == 8) + { + free(name); + return type_new(TYPE_U8); + } + if (width == 16) + { + free(name); + return type_new(TYPE_U16); + } + if (width == 32) + { + free(name); + return type_new(TYPE_U32); + } + if (width == 64) + { + free(name); + return type_new(TYPE_U64); + } + if (width == 128) + { + free(name); + return type_new(TYPE_U128); + } + } + + Type *t = type_new(name[0] == 'u' ? TYPE_UBITINT : TYPE_BITINT); + t->array_size = width; + free(name); + return t; + } + } + } if (strcmp(name, "u16") == 0) { free(name); -- cgit v1.2.3