if (mode == "debug") 
var scriptInfo = getSourceFileAndLineByScript(FirebugContext, script); if (scriptInfo) 
    traceFunction: function(fn, script, mode)    {        if (mode == "debug")        {            var lineNo = findExecutableLine(script, script.baseLineNumber);            this.setBreakpoint(script.fileName, lineNo);        }        else if (mode == "monitor")            fbs.monitor(script, this);    },
2454	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2454/76449ef4d8385610e64112c53410246cfda12c62/debugger.js/clean/extension/content/firebug/debugger.js