#include <string.h>
KEYWORD struct|end|method|var|if|then|else|while|do|return|not|or|this
-SPECIAL_CHAR \;|\(|\)|\:=|\.|\-|\*|\<|\=|\.
+SPECIAL_CHAR \;|\(|\)|\:=|\.|\-|\*|\<|\=|\,
IDENTIFIER [a-zA-Z_][0-9a-zA-Z_]*
NUMBER_HEX 0x[0-9A-Fa-f]+
NUMBER_DEC [0-9]+