A Simple JavaScript trace function for QML (BlackBerry 10)

qml-trace.js

// trace callstack
// by Mindon from http://mindon.github.io

function trace() {
    var callstacks = [];
    var fn = arguments.callee.caller;
    while (fn) {
        var fnstr = fn.toString();
        fnstr = fnstr.substring(fnstr.indexOf("function") + 8, fnstr.indexOf('{')).replace(/^\s+|\s+$/g, '');
        var fname = fnstr == '()' ? '(anonymous function)': fnstr;
        callstacks.push(fname);
        fn = fn.caller;
    }
    console.debug("[CALLSTACK]: " + callstacks.reverse().join(' -> '));
}