private boolean isLiteral() {

        final TokenType type = mToken.getType();
        return (type == TokenType.SINGLE_QUOTE || type == TokenType.DBL_QUOTE || type == TokenType.VALUE);
    }
private boolean isLiteral ( ) { final TokenType type = mToken . getType ( ) ; return ( type == TokenType . SINGLE_QUOTE || type == TokenType . DBL_QUOTE || type == TokenType . VALUE ) ; }
@return true, if the current token represents a literal