🐐 Fractions

centvrion/lexer.py

@@ -41,6 +41,7 @@ builtin_tokens = [("BUILTIN", i) for i in [
 
 data_tokens = [
   ("DATA_STRING", r"(\".*?\"|'.*?')"),
+  ("DATA_FRACTION", r"([IVXLCDM][IVXLCDM_]*)?([S][S:.|]*|:[S:.|]+|\.[S:.|]*)"),
   ("DATA_NUMERAL", r"[IVXLCDM][IVXLCDM_]*")
 ]
 
@@ -62,7 +63,7 @@ symbol_tokens = [
   ("SYMBOL_MINUS", r"\-"),
   ("SYMBOL_TIMES", r"\*"),
   ("SYMBOL_DIVIDE", r"\/"),
-  ("SYMBOL_COLON", r":"),
+  ("SYMBOL_AMPERSAND", r"&"),
   ("SYMBOL_COMMA", r",")
 ]
 
@@ -74,8 +75,8 @@ all_tokens = (
   keyword_tokens +
   builtin_tokens +
   module_tokens +
-  symbol_tokens +
   data_tokens +
+  symbol_tokens +
   whitespace_tokens +
   [("ID", f"({valid_characters})+")]
 )