Add more fine grained logging category for "used before declaration" warning

import QtQuick

MouseArea {

    onClicked: () => {
        var operatorMap = {
                'and': function(context, params) {
                    params = exec(context, params);
                    if (!params) {
                        /* do something */
                    }
                    return true;
                }
            };

            var exec = function(context, query) {
                /* do stuff */
            };

        operatorMap.and(1, 2);
    }
}