static final HashMap<S, L<Method>> callMC_2_cache = new HashMap;
static S callMC_2_key;
static Method callMC_2_value;

// varargs assignment fixer for a single string array argument
static Object callMC_2(S method, S[] arg) {
  ret callMC_2(method, new O[] {arg});
}

static O callMC_2(S method, O... args) ctex {
  Method me;
  synchronized(callMC_2_cache) {
    me = method == callMC_2_key ? callMC_2_value : null;
  }
  if (me != null) ret callMC_2_value.invoke(null, args);

  L<Method> m = callMC_2_cache.get(method);
  if (m == null) {
    if (callMC_2_cache.isEmpty()) {
      callMC_2_makeCache();
      m = callMC_2_cache.get(method);
    }
    if (m == null) fail("Method named " + method + " not found in main");
  }
  int n = m.size();
  if (n == 1) {
    me = m.get(0);
    synchronized(callMC_2_cache) {
      callMC_2_key = method;
      callMC_2_value = me;
    }
    ret me.invoke(null, args);
  }
  for i to n: {
    me = m.get(i);
    if (call_checkArgs(me, args, false))
      ret me.invoke(null, args);
  }
  fail("No method called " + method + " with matching arguments found in main");
}

static synchronized void callMC_2_makeCache() {
  callMC_2_cache.clear();
  Class _c = (Class) mc(), c = _c;
  while (c != null) {
    for (Method m : c.getDeclaredMethods())
      if ((m.getModifiers() & Modifier.STATIC) != 0) {
        m.setAccessible(true);
        multiMapPut(callMC_2_cache, m.getName(), m);
      }
    c = c.getSuperclass();
  }
}

Began life as a copy of #1005370