Include/internal/pycore_genobject.h

#ifndef Py_INTERNAL_GENOBJECT_H
#define Py_INTERNAL_GENOBJECT_H
#ifdef __cplusplus
extern "C" {
#endif

#ifndef Py_BUILD_CORE
#  error "this header requires Py_BUILD_CORE define"
#endif

#include "pycore_interpframe_structs.h" // _PyGenObject

#include <stddef.h>               // offsetof()


static inline
PyGenObject *_PyGen_GetGeneratorFromFrame(_PyInterpreterFrame *frame)
{
    assert(frame->owner == FRAME_OWNED_BY_GENERATOR);
    size_t offset_in_gen = offsetof(PyGenObject, gi_iframe);
    return (PyGenObject *)(((char *)frame) - offset_in_gen);
}

PyAPI_FUNC(PyObject *)_PyGen_yf(PyGenObject *);
extern void _PyGen_Finalize(PyObject *self);

// Export for '_asyncio' shared extension
PyAPI_FUNC(int) _PyGen_SetStopIterationValue(PyObject *);

// Export for '_asyncio' shared extension
PyAPI_FUNC(int) _PyGen_FetchStopIterationValue(PyObject **);

PyAPI_FUNC(PyObject *)_PyCoro_GetAwaitableIter(PyObject *o);
PyAPI_FUNC(PyObject *)_PyAsyncGenValueWrapperNew(PyThreadState *state, PyObject *);

extern PyTypeObject _PyCoroWrapper_Type;
extern PyTypeObject _PyAsyncGenWrappedValue_Type;
extern PyTypeObject _PyAsyncGenAThrow_Type;

#ifdef __cplusplus
}
#endif
#endif /* !Py_INTERNAL_GENOBJECT_H */