Function array_indexOf

src/PyListProxyHandler.cc:238–295

}

static bool array_indexOf(JSContext *cx, unsigned argc, JS::Value *vp) {
  JS::CallArgs args = JS::CallArgsFromVp(argc, vp);

  if (!args.requireAtLeast(cx, "indexOf", 1)) {
    return false;
  }

  JS::RootedObject proxy(cx, JS::ToObject(cx, args.thisv()));
  if (!proxy) {
    return false;
  }
  PyObject *self = JS::GetMaybePtrFromReservedSlot<PyObject>(proxy, PyObjectSlot);

  Py_ssize_t selfLength = PyList_GET_SIZE(self);

  if (selfLength == 0) {
    args.rval().setInt32(-1);
    return true;
  }

  uint64_t start = 0;
  if (args.length() > 1) {
    int64_t n;
    if (!JS::ToInt64(cx, args[1], &n)) {
      return false;
    }

    if (n >= selfLength) {
      args.rval().setInt32(-1);
      return true;
    }

    if (n >= 0) {
      start = uint64_t(n);
    }
    else {
      int64_t d = selfLength + n;
      if (d >= 0) {
        start = d;
      }
    }
  }

  JS::RootedValue elementVal(cx, args[0].get());
  PyObject *value = pyTypeFactory(cx, elementVal);
  PyObject *result = PyObject_CallMethod(self, "index", "Oi", value, start);
  Py_DECREF(value);

  if (!result) {
    PyErr_Clear();
    args.rval().setInt32(-1);
    return true;
  }

  args.rval().set(jsTypeFactory(cx, result));
  Py_DECREF(result);
  return true;
}