1 files changed, 6 insertions, 1 deletions
diff --git a/include/lexer/token.h b/include/lexer/token.h
index e89da51..9400c01 100644
--- a/include/lexer/token.h
+++ b/include/lexer/token.h
@@ -38,11 +38,16 @@ enum token_kind {
     TK_EOF,
 
     TK_IDENTIFIER,
-    TK_VOID
+    TK_VOID,
+    TK_INT
 };
 
+#define TF_NONE 0
+#define TF_BUILTIN_TYPE (1 << 0)
+
 struct token {
     enum token_kind kind;
+    uint8_t flags;
 
     const char *pos;
     int line;