public virtual DekiScriptLiteral Invoke(Location location, XUri uri, DekiScriptLiteral args, DekiScriptEnv env) {
var sw = Stopwatch.StartNew();
DekiScriptInvocationTargetDescriptor descriptor;
var target = _functions.TryGetValue(uri, out descriptor) ? descriptor.Target : FindTarget(uri);
try {
// invoke function directly
return target.Invoke(this, args);
} catch(Exception e) {
throw UnwrapAsyncException(uri, e).Rethrow();
} finally {
sw.Stop();
bool property = (uri.LastSegment ?? string.Empty).StartsWithInvariant("$");
env.AddFunctionProfile(location, (descriptor != null) ? (property ? "$" : "") + descriptor.Name : uri.ToString(), sw.Elapsed);
}
}
