msg += frame.filename + "@" + frame.lineNumber + ";\n"; 
msg += frame.filename + "@" + frame.lineNumber + ";\n"; 
function hook(fn, rv){    return function()    {        try        {            return fn.apply(fbs, arguments);        }        catch (exc)        {        	var msg = "Error in hook: " + exc +" stack=";            for (var frame = Components.stack; frame; frame = frame.caller)        		msg += frame.filename + "@" + frame.lineNumber + ";\n";        		ERROR(msg);            return rv;        }    }}
2454	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2454/be05bb1b5ce9dc07f6f4f994ca42945edd646c04/firebug-service.js/buggy/extension/components/firebug-service.js