private static String functionSig(Method method, Object[] args) {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < args.length; i++) {
if (i > 0) sb.append(",");
sb.append(TypeUtil.toCodeStringLimited(args[i]));
}
return FunctionRegistry.functionName(method.getDeclaringClass().getName(), method.getName())
+ "("
+ sb.toString()
+ ")";
}