var line01 = `
    line02
    line03
    line04
    line05
    line06
    line07
    line08
    line09
    line10`;
//  line11
//  line12
//  line13
    alert(Components.stack.lineNumber);
    line15;
    line16;

gBrowser.currentURI == "about:customizing" || (() => {
    var flag = _id + "-liner";
    var console = "chrome://global/content/console.xul";
    var webconsole = "chrome://browser/content/devtools/webconsole.xul";
    var els = Cc["@mozilla.org/eventlistenerservice;1"].getService(Ci.nsIEventListenerService);

    function liner(e) {
        var loc = e.target.location.href;
        if (loc != console && loc != webconsole) return;
        var win = e.target.defaultView;
        if (flag in win) return;
        win[flag] = true;

        var info = els.getListenerInfoFor(win).map(inf => inf.listenerObject);
        var str = "var buttonId = href. match(/id=([\\w-]+)/)[1];\n\t\t\t\t";
        for(var lo of info) {
            if ("handleClick" in lo && String.contains(lo.handleClick, str)) break;
        }
        var add = "line = this.checkMissingLines(line, phase, buttonId);\n\t\t\t\t";
        lo.handleClick = eval("(" + String.replace(lo.handleClick, str, "$&" + add) + ")");

        lo.checkMissingLines = function(line, phase, id) {
            var attr = phase == "code" ? "cb-oncommand" : "cb-init";
            var code = document.getElementById(id).getAttribute(attr);
            var ind = code.indexOf("`");
            if (ind == -1 || ind == code.lastIndexOf("`")) return line;

            var doubleQuoteString, singleQuoteString, singleLineComment, multiLineComment, regExp, templateString, template;
            function free() !(
                doubleQuoteString || singleQuoteString || singleLineComment || multiLineComment || regExp || templateString
            );
            function nbs(p = pos) code[p - 1] != "\\";

            var currLine = 1, subs = {}, sub = 0;
            for(var pos = 0; pos < code.length; pos++) {
                switch (code[pos]) {
                    case "/":
                        if (free()) {
                            var nxt = code[pos + 1];
                            if (nxt == "*") multiLineComment = true;
                            else if (nxt == "/") singleLineComment = true;
                            else regExp = true;
                        }
                        else if (regExp) {
                            if (nbs()) regExp = false;
                        }
                        else if (multiLineComment && code[pos - 1] == "*")
                            multiLineComment = false;
                            
                        break;
                    case "'":
                        if (free())
                            singleQuoteString = true;
                        else if (singleQuoteString && nbs())
                            singleQuoteString = false;
                        break;
                    case '"':
                        if (free())
                            doubleQuoteString = true;
                        else if (doubleQuoteString && nbs())
                            doubleQuoteString = false;
                        break;
                    case "`":
                        if (free())
                            templateString = true;
                        else if (templateString && nbs())
                            templateString = false;
                        break;
                    case "$":
                        if (templateString && nbs() && code[pos + 1] == "{") {
                            templateString = false;
                            sub++;
                        }
                        break;
                    case "{":
                        if (sub && free())
                            sub in subs ? subs[sub]++ : subs[sub] = 1;
                        break;
                    case "}":
                        if (sub && free()) {
                            if (!--subs[sub]) {
                                delete subs[sub];
                                sub--;
                                templateString = true;
                            }
                        }
                        break;
                    case "\n":
                        currLine++;
                        if (singleLineComment)
                            singleLineComment = false;
                        else if (templateString)
                            line++;
                }
                if (currLine == line) break;
            }
            return line;
        }
    }
    addEventListener("pageshow", liner, false);
    function onWin(win, topic)
        topic == "domwindowopened" && win.addEventListener("load", function load(e) {
            win.removeEventListener("load", load, false);
            liner(e);
        }, false);
    Services.ww.registerNotification(onWin);
    addDestructor(() => Services.ww.unregisterNotification(onWin));
})();