Method JSFunctionProxy_call

src/JSFunctionProxy.cc:35–67

}

PyObject *JSFunctionProxyMethodDefinitions::JSFunctionProxy_call(PyObject *self, PyObject *args, PyObject *kwargs) {
  JSContext *cx = GLOBAL_CX;
  JS::RootedValue jsFunc(GLOBAL_CX, JS::ObjectValue(**((JSFunctionProxy *)self)->jsFunc));
  JSObject *jsFuncObj = jsFunc.toObjectOrNull();
  JS::RootedObject thisObj(GLOBAL_CX, JS::CurrentGlobalOrNull(GLOBAL_CX)); // if jsFunc is not bound, assume `this` is `globalThis`

  JS::RootedVector<JS::Value> jsArgsVector(cx);
  Py_ssize_t nargs = PyTuple_Size(args);
  for (size_t i = 0; i < nargs; i++) {
    JS::Value jsValue = jsTypeFactory(cx, PyTuple_GetItem(args, i));
    if (PyErr_Occurred()) { // Check if an exception has already been set in the flow of control
      return NULL; // Fail-fast
    }
    if (!jsArgsVector.append(jsValue)) {
      // out of memory
      setSpiderMonkeyException(cx);
      return NULL;
    }
  }

  JS::HandleValueArray jsArgs(jsArgsVector);
  JS::RootedValue jsReturnVal(cx);
  if (!JS_CallFunctionValue(cx, thisObj, jsFunc, jsArgs, &jsReturnVal)) {
    setSpiderMonkeyException(cx);
    return NULL;
  }

  if (PyErr_Occurred()) {
    return NULL;
  }

  return pyTypeFactory(cx, jsReturnVal);
}