[keysnail]keysnail の prompt に about:memory を表示する

gistfile1.js

ext.add('show-memory-report', function(ev, arg) {
    function addFigure(str) {
        var num = new String(str).replace(/,/g, "");
        while(num != (num = num.replace(/^(-?\d+)(\d{3})/, "$1,$2")));
        return num;
    }

    function getMemoryReports() {
        let mrm = Cc["@mozilla.org/memory-reporter-manager;1"].getService(Ci.nsIMemoryReporterManager);
        let e = mrm.enumerateReporters();
        while (e.hasMoreElements()) {
            let {path, description, memoryUsed} = e.getNext().QueryInterface(Ci.nsIMemoryReporter);
            yield [path, description, addFigure(memoryUsed)];
        }
    }

    prompt.selector({
        message     : 'pattern:',
        initialInput: arg,
        collection  : [i for (i in getMemoryReports())],
        header      : ['path', 'description', 'size'],
        width       : [30, 60, 10],
        flags       : [0, 0,  IGNORE],
        stylist     : function (args, n, current) {
            let style = '';
            if (n == 2) style += 'padding-right: 0.5em; text-align: right;';
            return style;
        },
        actions     : [function(){}],
    });
}, 'about:memory');

ext.exec('show-memory-report', 'malloc', ev);
等とすることで、初期表示を絞り込み可能