const string paramter return null

[jiqimaogou]

class.forname("test") with example code:

            DecodedMethodInvocationOp dmio = (DecodedMethodInvocationOp) frame.decodedOp;
            MethodParams methodParams = DecodedMethodInvocationOp.resolveParameters(frame);
            MethodParam[] params = methodParams.merge();
            System.out.println("method '" + dmio.getName() + "' has been called with the following arguments: " + java.util.Arrays.toString(params));

params return null;