| Constant | Meaning |
|---|---|
| TOKEN_AND | 0011 bit 1 always set for AND/OR. |
| TOKEN_CLOSEPAREN | 0101 bit 2 always set for PAREN. |
| TOKEN_OPENPAREN | 0100 bit 2 always set for PAREN. |
| TOKEN_OPERATOR | Detects either AND or OR. |
| TOKEN_OR | 0010 bit 1 always set for AND/OR. |
| TOKEN_PAREN | Detects either open or close parenthesis. |
| TOKEN_USER | 1000 bit 3 always set for user-token. |