{

PyFrame *m_frame{ nullptr };

std::unique_ptr<StackFrame> m_stack_frame;

bool m_is_running{ false };

PyObject *m_code{ nullptr };

PyString *m_name{ nullptr };

PyString *m_qualname{ nullptr };

PyObject *m_last_sent_value{ nullptr };

std::unique_ptr<std::vector<PyFrame::ExceptionStackItem>> m_exception_stack;

bool m_invalid_return{ false };

protected:

GeneratorInterface(PyType *type);

GeneratorInterface(TypePrototype &type,

PyFrame *frame,

std::unique_ptr<StackFrame> &&,

bool is_running,

PyObject *code,

PyString *name,

PyString *qualname);

public:

void set_invalid_return(bool invalid_return) { m_invalid_return = invalid_return; }

std::string to_string() const override;

PyResult<PyObject *> __repr__() const;

PyResult<PyObject *> __iter__() const;

PyResult<PyObject *> __next__();

PyResult<PyObject *> send(PyObject *value);

PyResult<PyObject *> close();

void visit_graph(Visitor &visitor) override;

PyObject *last_sent_value() const { return m_last_sent_value; }