Method lexError

core/src/main/java/com/alibaba/druid/sql/parser/Lexer.java:291–293

Report an error at the given position using the provided arguments.

(String key, Object... args)

     * Report an error at the given position using the provided arguments.
     */
    protected void lexError(String key, Object... args) {
        token = ERROR;
    }

    /**
     * Return the current token, set by nextToken().