File "jml.mly", line 69, characters 16-24: Warning: the token ASSIGNOP is unused. File "jml.mly", line 87, characters 10-14: Warning: the token ELSE is unused. File "jml.mly", line 70, characters 7-9: Warning: the token EQ is unused. File "jml.mly", line 61, characters 16-25: Warning: the token LEFTBRACE is unused. File "jml.mly", line 82, characters 29-39: Warning: the token MINUSMINUS is unused. File "jml.mly", line 82, characters 20-28: Warning: the token PLUSPLUS is unused. File "jml.mly", line 61, characters 26-36: Warning: the token RIGHTBRACE is unused. File "jml.mly", line 86, characters 10-14: Warning: the token THEN is unused. File "jml.mly", line 89, characters 0-6: Warning: the precedence level assigned to ASSIGNOP is never useful. File "jml.mly", line 87, characters 0-9: Warning: the precedence level assigned to ELSE is never useful. File "jml.mly", line 89, characters 0-6: Warning: the precedence level assigned to EQ is never useful. File "jml.mly", line 105, characters 0-6: Warning: the precedence level assigned to MINUSMINUS is never useful. File "jml.mly", line 105, characters 0-6: Warning: the precedence level assigned to PLUSPLUS is never useful. File "jml.mly", line 86, characters 0-9: Warning: the precedence level assigned to THEN is never useful. File "jml.mly", line 908, characters 62-66: Warning: this %prec declaration is never useful. File "jml.mly", line 913, characters 51-55: Warning: this %prec declaration is never useful.