Method JSArrayProxy_richcompare

src/JSArrayProxy.cc:417–512

}

PyObject *JSArrayProxyMethodDefinitions::JSArrayProxy_richcompare(JSArrayProxy *self, PyObject *other, int op)
{
  if (!PyList_Check(self) || !PyList_Check(other)) {
    Py_RETURN_NOTIMPLEMENTED;
  }

  if (self == (JSArrayProxy *)other && (op == Py_EQ || op == Py_NE)) {
    if (op == Py_EQ) {
      Py_RETURN_TRUE;
    }
    else {
      Py_RETURN_FALSE;
    }
  }

  Py_ssize_t selfLength = JSArrayProxy_length(self);
  Py_ssize_t otherLength;

  if (PyObject_TypeCheck(other, &JSArrayProxyType)) {
    otherLength = JSArrayProxy_length((JSArrayProxy *)other);
  } else {
    otherLength = Py_SIZE(other);
  }

  if (selfLength != otherLength && (op == Py_EQ || op == Py_NE)) {
    /* Shortcut: if the lengths differ, the lists differ */
    if (op == Py_EQ) {
      Py_RETURN_FALSE;
    }
    else {
      Py_RETURN_TRUE;
    }
  }

  JS::RootedValue elementVal(GLOBAL_CX);

  Py_ssize_t index;
  /* Search for the first index where items are different */
  for (index = 0; index < selfLength && index < otherLength; index++) {
    JS_GetElement(GLOBAL_CX, *(self->jsArray), index, &elementVal);

    PyObject *leftItem = pyTypeFactory(GLOBAL_CX, elementVal);
    PyObject *rightItem;

    bool needToDecRefRightItem;
    if (PyObject_TypeCheck(other, &JSArrayProxyType)) {
      JS_GetElement(GLOBAL_CX, *(((JSArrayProxy *)other)->jsArray), index, &elementVal);
      rightItem = pyTypeFactory(GLOBAL_CX, elementVal);
      needToDecRefRightItem = true;
    } else {
      rightItem = ((PyListObject *)other)->ob_item[index];
      needToDecRefRightItem = false;
    }

    if (leftItem == rightItem) {
      continue;
    }