diff --git a/Objects/genobject.c b/Objects/genobject.c index 41cf8fdcc9dee8..19c2c4e3331a89 100644 --- a/Objects/genobject.c +++ b/Objects/genobject.c @@ -17,9 +17,20 @@ #include "pystats.h" -static PyObject *gen_close(PyGenObject *, PyObject *); -static PyObject *async_gen_asend_new(PyAsyncGenObject *, PyObject *); -static PyObject *async_gen_athrow_new(PyAsyncGenObject *, PyObject *); +// Forward declarations +static PyObject* gen_close(PyObject *, PyObject *); +static PyObject* async_gen_asend_new(PyAsyncGenObject *, PyObject *); +static PyObject* async_gen_athrow_new(PyAsyncGenObject *, PyObject *); + + +#define _PyGen_CAST(op) \ + _Py_CAST(PyGenObject*, (op)) +#define _PyCoroObject_CAST(op) \ + (assert(PyCoro_CheckExact(op)), \ + _Py_CAST(PyCoroObject*, (op))) +#define _PyAsyncGenObject_CAST(op) \ + _Py_CAST(PyAsyncGenObject*, (op)) + static const char *NON_INIT_CORO_MSG = "can't send non-None value to a " "just-started coroutine"; @@ -42,8 +53,9 @@ PyGen_GetCode(PyGenObject *gen) { } static int -gen_traverse(PyGenObject *gen, visitproc visit, void *arg) +gen_traverse(PyObject *self, visitproc visit, void *arg) { + PyGenObject *gen = _PyGen_CAST(self); Py_VISIT(gen->gi_name); Py_VISIT(gen->gi_qualname); if (gen->gi_frame_state != FRAME_CLEARED) { @@ -107,7 +119,7 @@ _PyGen_Finalize(PyObject *self) _PyErr_WarnUnawaitedCoroutine((PyObject *)gen); } else { - PyObject *res = gen_close(gen, NULL); + PyObject *res = gen_close((PyObject*)gen, NULL); if (res == NULL) { if (PyErr_Occurred()) { PyErr_WriteUnraisable(self); @@ -123,9 +135,9 @@ _PyGen_Finalize(PyObject *self) } static void -gen_dealloc(PyGenObject *gen) +gen_dealloc(PyObject *self) { - PyObject *self = (PyObject *) gen; + PyGenObject *gen = _PyGen_CAST(self); _PyObject_GC_UNTRACK(gen); @@ -262,8 +274,9 @@ gen_send_ex2(PyGenObject *gen, PyObject *arg, PyObject **presult, } static PySendResult -PyGen_am_send(PyGenObject *gen, PyObject *arg, PyObject **result) +PyGen_am_send(PyObject *self, PyObject *arg, PyObject **result) { + PyGenObject *gen = _PyGen_CAST(self); return gen_send_ex2(gen, arg, result, 0, 0); } @@ -292,9 +305,9 @@ PyDoc_STRVAR(send_doc, return next yielded value or raise StopIteration."); static PyObject * -gen_send(PyGenObject *gen, PyObject *arg) +gen_send(PyObject *gen, PyObject *arg) { - return gen_send_ex(gen, arg, 0, 0); + return gen_send_ex((PyGenObject*)gen, arg, 0, 0); } PyDoc_STRVAR(close_doc, @@ -311,7 +324,7 @@ gen_close_iter(PyObject *yf) PyObject *retval = NULL; if (PyGen_CheckExact(yf) || PyCoro_CheckExact(yf)) { - retval = gen_close((PyGenObject *)yf, NULL); + retval = gen_close((PyObject *)yf, NULL); if (retval == NULL) return -1; } @@ -356,11 +369,9 @@ _PyGen_yf(PyGenObject *gen) } static PyObject * -gen_close(PyGenObject *gen, PyObject *args) +gen_close(PyObject *self, PyObject *args) { - PyObject *retval; - int err = 0; - + PyGenObject *gen = _PyGen_CAST(self); if (gen->gi_frame_state == FRAME_CREATED) { gen->gi_frame_state = FRAME_COMPLETED; @@ -369,7 +380,9 @@ gen_close(PyGenObject *gen, PyObject *args) if (FRAME_STATE_FINISHED(gen->gi_frame_state)) { Py_RETURN_NONE; } + PyObject *yf = _PyGen_yf(gen); + int err = 0; if (yf) { PyFrameState state = gen->gi_frame_state; gen->gi_frame_state = FRAME_EXECUTING; @@ -394,7 +407,8 @@ gen_close(PyGenObject *gen, PyObject *args) if (err == 0) { PyErr_SetNone(PyExc_GeneratorExit); } - retval = gen_send_ex(gen, Py_None, 1, 1); + + PyObject *retval = gen_send_ex(gen, Py_None, 1, 1); if (retval) { const char *msg = "generator ignored GeneratorExit"; if (PyCoro_CheckExact(gen)) { @@ -407,10 +421,12 @@ gen_close(PyGenObject *gen, PyObject *args) return NULL; } assert(PyErr_Occurred()); + if (PyErr_ExceptionMatches(PyExc_GeneratorExit)) { PyErr_Clear(); /* ignore this error */ Py_RETURN_NONE; } + /* if the generator returned a value while closing, StopIteration was * raised in gen_send_ex() above; retrieve and return the value here */ if (_PyGen_FetchStopIterationValue(&retval) == 0) { @@ -587,10 +603,12 @@ gen_throw(PyGenObject *gen, PyObject *const *args, Py_ssize_t nargs) static PyObject * -gen_iternext(PyGenObject *gen) +gen_iternext(PyObject *self) { + assert(PyGen_CheckExact(self) || PyCoro_CheckExact(self)); + PyGenObject *gen = _PyGen_CAST(self); + PyObject *result; - assert(PyGen_CheckExact(gen) || PyCoro_CheckExact(gen)); if (gen_send_ex2(gen, NULL, &result, 0, 0) == PYGEN_RETURN) { if (result != Py_None) { _PyGen_SetStopIterationValue(result); @@ -664,21 +682,24 @@ _PyGen_FetchStopIterationValue(PyObject **pvalue) } static PyObject * -gen_repr(PyGenObject *gen) +gen_repr(PyObject *self) { + PyGenObject *gen = _PyGen_CAST(self); return PyUnicode_FromFormat("", gen->gi_qualname, gen); } static PyObject * -gen_get_name(PyGenObject *op, void *Py_UNUSED(ignored)) +gen_get_name(PyObject *self, void *Py_UNUSED(ignored)) { + PyGenObject *op = _PyGen_CAST(self); return Py_NewRef(op->gi_name); } static int -gen_set_name(PyGenObject *op, PyObject *value, void *Py_UNUSED(ignored)) +gen_set_name(PyObject *self, PyObject *value, void *Py_UNUSED(ignored)) { + PyGenObject *op = _PyGen_CAST(self); /* Not legal to del gen.gi_name or to set it to anything * other than a string object. */ if (value == NULL || !PyUnicode_Check(value)) { @@ -691,14 +712,16 @@ gen_set_name(PyGenObject *op, PyObject *value, void *Py_UNUSED(ignored)) } static PyObject * -gen_get_qualname(PyGenObject *op, void *Py_UNUSED(ignored)) +gen_get_qualname(PyObject *self, void *Py_UNUSED(ignored)) { + PyGenObject *op = _PyGen_CAST(self); return Py_NewRef(op->gi_qualname); } static int -gen_set_qualname(PyGenObject *op, PyObject *value, void *Py_UNUSED(ignored)) +gen_set_qualname(PyObject *self, PyObject *value, void *Py_UNUSED(ignored)) { + PyGenObject *op = _PyGen_CAST(self); /* Not legal to del gen.__qualname__ or to set it to anything * other than a string object. */ if (value == NULL || !PyUnicode_Check(value)) { @@ -711,18 +734,20 @@ gen_set_qualname(PyGenObject *op, PyObject *value, void *Py_UNUSED(ignored)) } static PyObject * -gen_getyieldfrom(PyGenObject *gen, void *Py_UNUSED(ignored)) +gen_getyieldfrom(PyObject *gen, void *Py_UNUSED(ignored)) { - PyObject *yf = _PyGen_yf(gen); - if (yf == NULL) + PyObject *yf = _PyGen_yf(_PyGen_CAST(gen)); + if (yf == NULL) { Py_RETURN_NONE; + } return yf; } static PyObject * -gen_getrunning(PyGenObject *gen, void *Py_UNUSED(ignored)) +gen_getrunning(PyObject *self, void *Py_UNUSED(ignored)) { + PyGenObject *gen = _PyGen_CAST(self); if (gen->gi_frame_state == FRAME_EXECUTING) { Py_RETURN_TRUE; } @@ -730,8 +755,9 @@ gen_getrunning(PyGenObject *gen, void *Py_UNUSED(ignored)) } static PyObject * -gen_getsuspended(PyGenObject *gen, void *Py_UNUSED(ignored)) +gen_getsuspended(PyObject *self, void *Py_UNUSED(ignored)) { + PyGenObject *gen = _PyGen_CAST(self); return PyBool_FromLong(FRAME_STATE_SUSPENDED(gen->gi_frame_state)); } @@ -748,8 +774,9 @@ _gen_getframe(PyGenObject *gen, const char *const name) } static PyObject * -gen_getframe(PyGenObject *gen, void *Py_UNUSED(ignored)) +gen_getframe(PyObject *self, void *Py_UNUSED(ignored)) { + PyGenObject *gen = _PyGen_CAST(self); return _gen_getframe(gen, "gi_frame"); } @@ -763,22 +790,23 @@ _gen_getcode(PyGenObject *gen, const char *const name) } static PyObject * -gen_getcode(PyGenObject *gen, void *Py_UNUSED(ignored)) +gen_getcode(PyObject *self, void *Py_UNUSED(ignored)) { + PyGenObject *gen = _PyGen_CAST(self); return _gen_getcode(gen, "gi_code"); } static PyGetSetDef gen_getsetlist[] = { - {"__name__", (getter)gen_get_name, (setter)gen_set_name, + {"__name__", gen_get_name, gen_set_name, PyDoc_STR("name of the generator")}, - {"__qualname__", (getter)gen_get_qualname, (setter)gen_set_qualname, + {"__qualname__", gen_get_qualname, gen_set_qualname, PyDoc_STR("qualified name of the generator")}, - {"gi_yieldfrom", (getter)gen_getyieldfrom, NULL, + {"gi_yieldfrom", gen_getyieldfrom, NULL, PyDoc_STR("object being iterated by yield from, or None")}, - {"gi_running", (getter)gen_getrunning, NULL, NULL}, - {"gi_frame", (getter)gen_getframe, NULL, NULL}, - {"gi_suspended", (getter)gen_getsuspended, NULL, NULL}, - {"gi_code", (getter)gen_getcode, NULL, NULL}, + {"gi_running", gen_getrunning, NULL, NULL}, + {"gi_frame", gen_getframe, NULL, NULL}, + {"gi_suspended", gen_getsuspended, NULL, NULL}, + {"gi_code", gen_getcode, NULL, NULL}, {NULL} /* Sentinel */ }; @@ -800,9 +828,9 @@ PyDoc_STRVAR(sizeof__doc__, "gen.__sizeof__() -> size of gen in memory, in bytes"); static PyMethodDef gen_methods[] = { - {"send",(PyCFunction)gen_send, METH_O, send_doc}, - {"throw",_PyCFunction_CAST(gen_throw), METH_FASTCALL, throw_doc}, - {"close",(PyCFunction)gen_close, METH_NOARGS, close_doc}, + {"send", gen_send, METH_O, send_doc}, + {"throw", _PyCFunction_CAST(gen_throw), METH_FASTCALL, throw_doc}, + {"close", gen_close, METH_NOARGS, close_doc}, {"__sizeof__", (PyCFunction)gen_sizeof, METH_NOARGS, sizeof__doc__}, {"__class_getitem__", Py_GenericAlias, METH_O|METH_CLASS, PyDoc_STR("See PEP 585")}, {NULL, NULL} /* Sentinel */ @@ -812,7 +840,7 @@ static PyAsyncMethods gen_as_async = { 0, /* am_await */ 0, /* am_aiter */ 0, /* am_anext */ - (sendfunc)PyGen_am_send, /* am_send */ + PyGen_am_send, /* am_send */ }; @@ -822,12 +850,12 @@ PyTypeObject PyGen_Type = { offsetof(PyGenObject, gi_iframe.localsplus), /* tp_basicsize */ sizeof(PyObject *), /* tp_itemsize */ /* methods */ - (destructor)gen_dealloc, /* tp_dealloc */ + gen_dealloc, /* tp_dealloc */ 0, /* tp_vectorcall_offset */ 0, /* tp_getattr */ 0, /* tp_setattr */ &gen_as_async, /* tp_as_async */ - (reprfunc)gen_repr, /* tp_repr */ + gen_repr, /* tp_repr */ 0, /* tp_as_number */ 0, /* tp_as_sequence */ 0, /* tp_as_mapping */ @@ -839,12 +867,12 @@ PyTypeObject PyGen_Type = { 0, /* tp_as_buffer */ Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC, /* tp_flags */ 0, /* tp_doc */ - (traverseproc)gen_traverse, /* tp_traverse */ + gen_traverse, /* tp_traverse */ 0, /* tp_clear */ 0, /* tp_richcompare */ offsetof(PyGenObject, gi_weakreflist), /* tp_weaklistoffset */ PyObject_SelfIter, /* tp_iter */ - (iternextfunc)gen_iternext, /* tp_iternext */ + gen_iternext, /* tp_iternext */ gen_methods, /* tp_methods */ gen_memberlist, /* tp_members */ gen_getsetlist, /* tp_getset */ @@ -903,17 +931,18 @@ _Py_MakeCoro(PyFunctionObject *func) return make_gen(&PyGen_Type, func); } if (coro_flags == CO_ASYNC_GENERATOR) { - PyAsyncGenObject *o; - o = (PyAsyncGenObject *)make_gen(&PyAsyncGen_Type, func); - if (o == NULL) { + PyAsyncGenObject *ag; + ag = (PyAsyncGenObject *)make_gen(&PyAsyncGen_Type, func); + if (ag == NULL) { return NULL; } - o->ag_origin_or_finalizer = NULL; - o->ag_closed = 0; - o->ag_hooks_inited = 0; - o->ag_running_async = 0; - return (PyObject*)o; + ag->ag_origin_or_finalizer = NULL; + ag->ag_closed = 0; + ag->ag_hooks_inited = 0; + ag->ag_running_async = 0; + return (PyObject*)ag; } + assert (coro_flags == CO_COROUTINE); PyObject *coro = make_gen(&PyCoro_Type, func); if (!coro) { @@ -995,6 +1024,11 @@ typedef struct { PyCoroObject *cw_coroutine; } PyCoroWrapper; +#define _PyCoroWrapper_CAST(op) \ + (assert(Py_IS_TYPE((op), &_PyCoroWrapper_Type)), \ + _Py_CAST(PyCoroWrapper*, (op))) + + static int gen_is_coroutine(PyObject *o) { @@ -1057,14 +1091,15 @@ _PyCoro_GetAwaitableIter(PyObject *o) } static PyObject * -coro_repr(PyCoroObject *coro) +coro_repr(PyObject *self) { + PyCoroObject *coro = _PyCoroObject_CAST(self); return PyUnicode_FromFormat("", coro->cr_qualname, coro); } static PyObject * -coro_await(PyCoroObject *coro) +coro_await(PyObject *coro) { PyCoroWrapper *cw = PyObject_GC_New(PyCoroWrapper, &_PyCoroWrapper_Type); if (cw == NULL) { @@ -1076,7 +1111,7 @@ coro_await(PyCoroObject *coro) } static PyObject * -coro_get_cr_await(PyCoroObject *coro, void *Py_UNUSED(ignored)) +coro_get_cr_await(PyObject *coro, void *Py_UNUSED(ignored)) { PyObject *yf = _PyGen_yf((PyGenObject *) coro); if (yf == NULL) @@ -1085,8 +1120,9 @@ coro_get_cr_await(PyCoroObject *coro, void *Py_UNUSED(ignored)) } static PyObject * -cr_getsuspended(PyCoroObject *coro, void *Py_UNUSED(ignored)) +cr_getsuspended(PyObject *self, void *Py_UNUSED(ignored)) { + PyCoroObject *coro = _PyCoroObject_CAST(self); if (FRAME_STATE_SUSPENDED(coro->cr_frame_state)) { Py_RETURN_TRUE; } @@ -1094,8 +1130,9 @@ cr_getsuspended(PyCoroObject *coro, void *Py_UNUSED(ignored)) } static PyObject * -cr_getrunning(PyCoroObject *coro, void *Py_UNUSED(ignored)) +cr_getrunning(PyObject *self, void *Py_UNUSED(ignored)) { + PyCoroObject *coro = _PyCoroObject_CAST(self); if (coro->cr_frame_state == FRAME_EXECUTING) { Py_RETURN_TRUE; } @@ -1103,29 +1140,29 @@ cr_getrunning(PyCoroObject *coro, void *Py_UNUSED(ignored)) } static PyObject * -cr_getframe(PyCoroObject *coro, void *Py_UNUSED(ignored)) +cr_getframe(PyObject *coro, void *Py_UNUSED(ignored)) { - return _gen_getframe((PyGenObject *)coro, "cr_frame"); + return _gen_getframe(_PyGen_CAST(coro), "cr_frame"); } static PyObject * -cr_getcode(PyCoroObject *coro, void *Py_UNUSED(ignored)) +cr_getcode(PyObject *coro, void *Py_UNUSED(ignored)) { - return _gen_getcode((PyGenObject *)coro, "cr_code"); + return _gen_getcode(_PyGen_CAST(coro), "cr_code"); } static PyGetSetDef coro_getsetlist[] = { - {"__name__", (getter)gen_get_name, (setter)gen_set_name, + {"__name__", gen_get_name, gen_set_name, PyDoc_STR("name of the coroutine")}, - {"__qualname__", (getter)gen_get_qualname, (setter)gen_set_qualname, + {"__qualname__", gen_get_qualname, gen_set_qualname, PyDoc_STR("qualified name of the coroutine")}, - {"cr_await", (getter)coro_get_cr_await, NULL, + {"cr_await", coro_get_cr_await, NULL, PyDoc_STR("object being awaited on, or None")}, - {"cr_running", (getter)cr_getrunning, NULL, NULL}, - {"cr_frame", (getter)cr_getframe, NULL, NULL}, - {"cr_code", (getter)cr_getcode, NULL, NULL}, - {"cr_suspended", (getter)cr_getsuspended, NULL, NULL}, + {"cr_running", cr_getrunning, NULL, NULL}, + {"cr_frame", cr_getframe, NULL, NULL}, + {"cr_code", cr_getcode, NULL, NULL}, + {"cr_suspended", cr_getsuspended, NULL, NULL}, {NULL} /* Sentinel */ }; @@ -1152,19 +1189,19 @@ PyDoc_STRVAR(coro_close_doc, "close() -> raise GeneratorExit inside coroutine."); static PyMethodDef coro_methods[] = { - {"send",(PyCFunction)gen_send, METH_O, coro_send_doc}, + {"send", gen_send, METH_O, coro_send_doc}, {"throw",_PyCFunction_CAST(gen_throw), METH_FASTCALL, coro_throw_doc}, - {"close",(PyCFunction)gen_close, METH_NOARGS, coro_close_doc}, + {"close", gen_close, METH_NOARGS, coro_close_doc}, {"__sizeof__", (PyCFunction)gen_sizeof, METH_NOARGS, sizeof__doc__}, {"__class_getitem__", Py_GenericAlias, METH_O|METH_CLASS, PyDoc_STR("See PEP 585")}, {NULL, NULL} /* Sentinel */ }; static PyAsyncMethods coro_as_async = { - (unaryfunc)coro_await, /* am_await */ + coro_await, /* am_await */ 0, /* am_aiter */ 0, /* am_anext */ - (sendfunc)PyGen_am_send, /* am_send */ + PyGen_am_send, /* am_send */ }; PyTypeObject PyCoro_Type = { @@ -1173,12 +1210,12 @@ PyTypeObject PyCoro_Type = { offsetof(PyCoroObject, cr_iframe.localsplus),/* tp_basicsize */ sizeof(PyObject *), /* tp_itemsize */ /* methods */ - (destructor)gen_dealloc, /* tp_dealloc */ + gen_dealloc, /* tp_dealloc */ 0, /* tp_vectorcall_offset */ 0, /* tp_getattr */ 0, /* tp_setattr */ &coro_as_async, /* tp_as_async */ - (reprfunc)coro_repr, /* tp_repr */ + coro_repr, /* tp_repr */ 0, /* tp_as_number */ 0, /* tp_as_sequence */ 0, /* tp_as_mapping */ @@ -1190,7 +1227,7 @@ PyTypeObject PyCoro_Type = { 0, /* tp_as_buffer */ Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC, /* tp_flags */ 0, /* tp_doc */ - (traverseproc)gen_traverse, /* tp_traverse */ + gen_traverse, /* tp_traverse */ 0, /* tp_clear */ 0, /* tp_richcompare */ offsetof(PyCoroObject, cr_weakreflist), /* tp_weaklistoffset */ @@ -1220,49 +1257,55 @@ PyTypeObject PyCoro_Type = { }; static void -coro_wrapper_dealloc(PyCoroWrapper *cw) +coro_wrapper_dealloc(PyObject *self) { + PyCoroWrapper *cw = _PyCoroWrapper_CAST(self); _PyObject_GC_UNTRACK((PyObject *)cw); Py_CLEAR(cw->cw_coroutine); PyObject_GC_Del(cw); } static PyObject * -coro_wrapper_iternext(PyCoroWrapper *cw) +coro_wrapper_iternext(PyObject *self) { - return gen_iternext((PyGenObject *)cw->cw_coroutine); + PyCoroWrapper *cw = _PyCoroWrapper_CAST(self); + return gen_iternext((PyObject *)cw->cw_coroutine); } static PyObject * -coro_wrapper_send(PyCoroWrapper *cw, PyObject *arg) +coro_wrapper_send(PyObject *self, PyObject *arg) { - return gen_send((PyGenObject *)cw->cw_coroutine, arg); + PyCoroWrapper *cw = _PyCoroWrapper_CAST(self); + return gen_send((PyObject *)cw->cw_coroutine, arg); } static PyObject * -coro_wrapper_throw(PyCoroWrapper *cw, PyObject *const *args, Py_ssize_t nargs) +coro_wrapper_throw(PyObject *self, PyObject *const *args, Py_ssize_t nargs) { + PyCoroWrapper *cw = _PyCoroWrapper_CAST(self); return gen_throw((PyGenObject *)cw->cw_coroutine, args, nargs); } static PyObject * -coro_wrapper_close(PyCoroWrapper *cw, PyObject *args) +coro_wrapper_close(PyObject *self, PyObject *args) { - return gen_close((PyGenObject *)cw->cw_coroutine, args); + PyCoroWrapper *cw = _PyCoroWrapper_CAST(self); + return gen_close((PyObject *)cw->cw_coroutine, args); } static int -coro_wrapper_traverse(PyCoroWrapper *cw, visitproc visit, void *arg) +coro_wrapper_traverse(PyObject *self, visitproc visit, void *arg) { + PyCoroWrapper *cw = _PyCoroWrapper_CAST(self); Py_VISIT((PyObject *)cw->cw_coroutine); return 0; } static PyMethodDef coro_wrapper_methods[] = { - {"send",(PyCFunction)coro_wrapper_send, METH_O, coro_send_doc}, - {"throw",_PyCFunction_CAST(coro_wrapper_throw), - METH_FASTCALL, coro_throw_doc}, - {"close",(PyCFunction)coro_wrapper_close, METH_NOARGS, coro_close_doc}, + {"send", coro_wrapper_send, METH_O, coro_send_doc}, + {"throw", _PyCFunction_CAST(coro_wrapper_throw), METH_FASTCALL, + coro_throw_doc}, + {"close", coro_wrapper_close, METH_NOARGS, coro_close_doc}, {NULL, NULL} /* Sentinel */ }; @@ -1271,7 +1314,7 @@ PyTypeObject _PyCoroWrapper_Type = { "coroutine_wrapper", sizeof(PyCoroWrapper), /* tp_basicsize */ 0, /* tp_itemsize */ - (destructor)coro_wrapper_dealloc, /* destructor tp_dealloc */ + coro_wrapper_dealloc, /* destructor tp_dealloc */ 0, /* tp_vectorcall_offset */ 0, /* tp_getattr */ 0, /* tp_setattr */ @@ -1288,12 +1331,12 @@ PyTypeObject _PyCoroWrapper_Type = { 0, /* tp_as_buffer */ Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC, /* tp_flags */ "A wrapper object implementing __await__ for coroutines.", - (traverseproc)coro_wrapper_traverse, /* tp_traverse */ + coro_wrapper_traverse, /* tp_traverse */ 0, /* tp_clear */ 0, /* tp_richcompare */ 0, /* tp_weaklistoffset */ PyObject_SelfIter, /* tp_iter */ - (iternextfunc)coro_wrapper_iternext, /* tp_iternext */ + coro_wrapper_iternext, /* tp_iternext */ coro_wrapper_methods, /* tp_methods */ 0, /* tp_members */ 0, /* tp_getset */ @@ -1387,6 +1430,9 @@ typedef struct PyAsyncGenASend { AwaitableState ags_state; } PyAsyncGenASend; +#define _PyAsyncGenASend_CAST(op) \ + _Py_CAST(PyAsyncGenASend*, (op)) + typedef struct PyAsyncGenAThrow { PyObject_HEAD @@ -1408,19 +1454,24 @@ typedef struct _PyAsyncGenWrappedValue { #define _PyAsyncGenWrappedValue_CheckExact(o) \ Py_IS_TYPE(o, &_PyAsyncGenWrappedValue_Type) +#define _PyAsyncGenWrappedValue_CAST(op) \ + (assert(_PyAsyncGenWrappedValue_CheckExact(op)), \ + _Py_CAST(_PyAsyncGenWrappedValue*, (op))) static int -async_gen_traverse(PyAsyncGenObject *gen, visitproc visit, void *arg) +async_gen_traverse(PyObject *self, visitproc visit, void *arg) { - Py_VISIT(gen->ag_origin_or_finalizer); - return gen_traverse((PyGenObject*)gen, visit, arg); + PyAsyncGenObject *ag = _PyAsyncGenObject_CAST(self); + Py_VISIT(ag->ag_origin_or_finalizer); + return gen_traverse((PyObject*)ag, visit, arg); } static PyObject * -async_gen_repr(PyAsyncGenObject *o) +async_gen_repr(PyObject *self) { + PyAsyncGenObject *o = _PyAsyncGenObject_CAST(self); return PyUnicode_FromFormat("", o->ag_qualname, o); } @@ -1464,12 +1515,13 @@ async_gen_init_hooks(PyAsyncGenObject *o) static PyObject * -async_gen_anext(PyAsyncGenObject *o) +async_gen_anext(PyObject *self) { - if (async_gen_init_hooks(o)) { + PyAsyncGenObject *ag = _PyAsyncGenObject_CAST(self); + if (async_gen_init_hooks(ag)) { return NULL; } - return async_gen_asend_new(o, NULL); + return async_gen_asend_new(ag, NULL); } @@ -1510,20 +1562,21 @@ async_gen_athrow(PyAsyncGenObject *o, PyObject *args) } static PyObject * -ag_getframe(PyAsyncGenObject *ag, void *Py_UNUSED(ignored)) +ag_getframe(PyObject *ag, void *Py_UNUSED(ignored)) { return _gen_getframe((PyGenObject *)ag, "ag_frame"); } static PyObject * -ag_getcode(PyGenObject *gen, void *Py_UNUSED(ignored)) +ag_getcode(PyObject *gen, void *Py_UNUSED(ignored)) { - return _gen_getcode(gen, "ag_code"); + return _gen_getcode((PyGenObject*)gen, "ag_code"); } static PyObject * -ag_getsuspended(PyAsyncGenObject *ag, void *Py_UNUSED(ignored)) +ag_getsuspended(PyObject *self, void *Py_UNUSED(ignored)) { + PyAsyncGenObject *ag = _PyAsyncGenObject_CAST(self); if (FRAME_STATE_SUSPENDED(ag->ag_frame_state)) { Py_RETURN_TRUE; } @@ -1531,15 +1584,15 @@ ag_getsuspended(PyAsyncGenObject *ag, void *Py_UNUSED(ignored)) } static PyGetSetDef async_gen_getsetlist[] = { - {"__name__", (getter)gen_get_name, (setter)gen_set_name, + {"__name__", gen_get_name, gen_set_name, PyDoc_STR("name of the async generator")}, - {"__qualname__", (getter)gen_get_qualname, (setter)gen_set_qualname, + {"__qualname__", gen_get_qualname, gen_set_qualname, PyDoc_STR("qualified name of the async generator")}, - {"ag_await", (getter)coro_get_cr_await, NULL, + {"ag_await", coro_get_cr_await, NULL, PyDoc_STR("object being awaited on, or None")}, - {"ag_frame", (getter)ag_getframe, NULL, NULL}, - {"ag_code", (getter)ag_getcode, NULL, NULL}, - {"ag_suspended", (getter)ag_getsuspended, NULL, NULL}, + {"ag_frame", ag_getframe, NULL, NULL}, + {"ag_code", ag_getcode, NULL, NULL}, + {"ag_suspended", ag_getsuspended, NULL, NULL}, {NULL} /* Sentinel */ }; @@ -1577,8 +1630,8 @@ static PyMethodDef async_gen_methods[] = { static PyAsyncMethods async_gen_as_async = { 0, /* am_await */ PyObject_SelfIter, /* am_aiter */ - (unaryfunc)async_gen_anext, /* am_anext */ - (sendfunc)PyGen_am_send, /* am_send */ + async_gen_anext, /* am_anext */ + PyGen_am_send, /* am_send */ }; @@ -1588,12 +1641,12 @@ PyTypeObject PyAsyncGen_Type = { offsetof(PyAsyncGenObject, ag_iframe.localsplus), /* tp_basicsize */ sizeof(PyObject *), /* tp_itemsize */ /* methods */ - (destructor)gen_dealloc, /* tp_dealloc */ + gen_dealloc, /* tp_dealloc */ 0, /* tp_vectorcall_offset */ 0, /* tp_getattr */ 0, /* tp_setattr */ &async_gen_as_async, /* tp_as_async */ - (reprfunc)async_gen_repr, /* tp_repr */ + async_gen_repr, /* tp_repr */ 0, /* tp_as_number */ 0, /* tp_as_sequence */ 0, /* tp_as_mapping */ @@ -1605,7 +1658,7 @@ PyTypeObject PyAsyncGen_Type = { 0, /* tp_as_buffer */ Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC, /* tp_flags */ 0, /* tp_doc */ - (traverseproc)async_gen_traverse, /* tp_traverse */ + async_gen_traverse, /* tp_traverse */ 0, /* tp_clear */ 0, /* tp_richcompare */ offsetof(PyAsyncGenObject, ag_weakreflist), /* tp_weaklistoffset */ @@ -1638,17 +1691,18 @@ PyTypeObject PyAsyncGen_Type = { PyObject * PyAsyncGen_New(PyFrameObject *f, PyObject *name, PyObject *qualname) { - PyAsyncGenObject *o; - o = (PyAsyncGenObject *)gen_new_with_qualname( - &PyAsyncGen_Type, f, name, qualname); - if (o == NULL) { + PyAsyncGenObject *ag; + ag = (PyAsyncGenObject *)gen_new_with_qualname(&PyAsyncGen_Type, f, + name, qualname); + if (ag == NULL) { return NULL; } - o->ag_origin_or_finalizer = NULL; - o->ag_closed = 0; - o->ag_hooks_inited = 0; - o->ag_running_async = 0; - return (PyObject*)o; + + ag->ag_origin_or_finalizer = NULL; + ag->ag_closed = 0; + ag->ag_hooks_inited = 0; + ag->ag_running_async = 0; + return (PyObject*)ag; } static PyObject * @@ -1685,36 +1739,38 @@ async_gen_unwrap_value(PyAsyncGenObject *gen, PyObject *result) static void -async_gen_asend_dealloc(PyAsyncGenASend *o) +async_gen_asend_dealloc(PyObject *self) { - if (PyObject_CallFinalizerFromDealloc((PyObject *)o)) { + assert(PyAsyncGenASend_CheckExact(self)); + PyAsyncGenASend *ags = _PyAsyncGenASend_CAST(self); + + if (PyObject_CallFinalizerFromDealloc(self)) { return; } - _PyObject_GC_UNTRACK((PyObject *)o); - Py_CLEAR(o->ags_gen); - Py_CLEAR(o->ags_sendval); + _PyObject_GC_UNTRACK(self); + Py_CLEAR(ags->ags_gen); + Py_CLEAR(ags->ags_sendval); - assert(PyAsyncGenASend_CheckExact(o)); - _PyGC_CLEAR_FINALIZED((PyObject *)o); + _PyGC_CLEAR_FINALIZED(self); - _Py_FREELIST_FREE(async_gen_asends, o, PyObject_GC_Del); + _Py_FREELIST_FREE(async_gen_asends, self, PyObject_GC_Del); } static int -async_gen_asend_traverse(PyAsyncGenASend *o, visitproc visit, void *arg) +async_gen_asend_traverse(PyObject *self, visitproc visit, void *arg) { - Py_VISIT(o->ags_gen); - Py_VISIT(o->ags_sendval); + PyAsyncGenASend *ags = _PyAsyncGenASend_CAST(self); + Py_VISIT(ags->ags_gen); + Py_VISIT(ags->ags_sendval); return 0; } static PyObject * -async_gen_asend_send(PyAsyncGenASend *o, PyObject *arg) +async_gen_asend_send(PyObject *self, PyObject *arg) { - PyObject *result; - + PyAsyncGenASend *o = _PyAsyncGenASend_CAST(self); if (o->ags_state == AWAITABLE_STATE_CLOSED) { PyErr_SetString( PyExc_RuntimeError, @@ -1738,7 +1794,7 @@ async_gen_asend_send(PyAsyncGenASend *o, PyObject *arg) } o->ags_gen->ag_running_async = 1; - result = gen_send((PyGenObject*)o->ags_gen, arg); + PyObject *result = gen_send((PyObject*)o->ags_gen, arg); result = async_gen_unwrap_value(o->ags_gen, result); if (result == NULL) { @@ -1750,16 +1806,16 @@ async_gen_asend_send(PyAsyncGenASend *o, PyObject *arg) static PyObject * -async_gen_asend_iternext(PyAsyncGenASend *o) +async_gen_asend_iternext(PyObject *ags) { - return async_gen_asend_send(o, NULL); + return async_gen_asend_send(ags, NULL); } static PyObject * -async_gen_asend_throw(PyAsyncGenASend *o, PyObject *const *args, Py_ssize_t nargs) +async_gen_asend_throw(PyObject *self, PyObject *const *args, Py_ssize_t nargs) { - PyObject *result; + PyAsyncGenASend *o = _PyAsyncGenASend_CAST(self); if (o->ags_state == AWAITABLE_STATE_CLOSED) { PyErr_SetString( @@ -1781,7 +1837,7 @@ async_gen_asend_throw(PyAsyncGenASend *o, PyObject *const *args, Py_ssize_t narg o->ags_gen->ag_running_async = 1; } - result = gen_throw((PyGenObject*)o->ags_gen, args, nargs); + PyObject *result = gen_throw((PyGenObject*)o->ags_gen, args, nargs); result = async_gen_unwrap_value(o->ags_gen, result); if (result == NULL) { @@ -1794,13 +1850,14 @@ async_gen_asend_throw(PyAsyncGenASend *o, PyObject *const *args, Py_ssize_t narg static PyObject * -async_gen_asend_close(PyAsyncGenASend *o, PyObject *args) +async_gen_asend_close(PyObject *self, PyObject *args) { - PyObject *result; + PyAsyncGenASend *o = _PyAsyncGenASend_CAST(self); if (o->ags_state == AWAITABLE_STATE_CLOSED) { Py_RETURN_NONE; } - result = async_gen_asend_throw(o, &PyExc_GeneratorExit, 1); + + PyObject *result = async_gen_asend_throw(self, &PyExc_GeneratorExit, 1); if (result == NULL) { if (PyErr_ExceptionMatches(PyExc_StopIteration) || PyErr_ExceptionMatches(PyExc_StopAsyncIteration) || @@ -1810,25 +1867,26 @@ async_gen_asend_close(PyAsyncGenASend *o, PyObject *args) Py_RETURN_NONE; } return result; - } else { - Py_DECREF(result); - PyErr_SetString(PyExc_RuntimeError, "coroutine ignored GeneratorExit"); - return NULL; } + + Py_DECREF(result); + PyErr_SetString(PyExc_RuntimeError, "coroutine ignored GeneratorExit"); + return NULL; } static void -async_gen_asend_finalize(PyAsyncGenASend *o) +async_gen_asend_finalize(PyObject *self) { - if (o->ags_state == AWAITABLE_STATE_INIT) { - _PyErr_WarnUnawaitedAgenMethod(o->ags_gen, &_Py_ID(asend)); + PyAsyncGenASend *ags = _PyAsyncGenASend_CAST(self); + if (ags->ags_state == AWAITABLE_STATE_INIT) { + _PyErr_WarnUnawaitedAgenMethod(ags->ags_gen, &_Py_ID(asend)); } } static PyMethodDef async_gen_asend_methods[] = { - {"send", (PyCFunction)async_gen_asend_send, METH_O, send_doc}, + {"send", async_gen_asend_send, METH_O, send_doc}, {"throw", _PyCFunction_CAST(async_gen_asend_throw), METH_FASTCALL, throw_doc}, - {"close", (PyCFunction)async_gen_asend_close, METH_NOARGS, close_doc}, + {"close", async_gen_asend_close, METH_NOARGS, close_doc}, {NULL, NULL} /* Sentinel */ }; @@ -1847,7 +1905,7 @@ PyTypeObject _PyAsyncGenASend_Type = { sizeof(PyAsyncGenASend), /* tp_basicsize */ 0, /* tp_itemsize */ /* methods */ - (destructor)async_gen_asend_dealloc, /* tp_dealloc */ + async_gen_asend_dealloc, /* tp_dealloc */ 0, /* tp_vectorcall_offset */ 0, /* tp_getattr */ 0, /* tp_setattr */ @@ -1864,12 +1922,12 @@ PyTypeObject _PyAsyncGenASend_Type = { 0, /* tp_as_buffer */ Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC, /* tp_flags */ 0, /* tp_doc */ - (traverseproc)async_gen_asend_traverse, /* tp_traverse */ + async_gen_asend_traverse, /* tp_traverse */ 0, /* tp_clear */ 0, /* tp_richcompare */ 0, /* tp_weaklistoffset */ PyObject_SelfIter, /* tp_iter */ - (iternextfunc)async_gen_asend_iternext, /* tp_iternext */ + async_gen_asend_iternext, /* tp_iternext */ async_gen_asend_methods, /* tp_methods */ 0, /* tp_members */ 0, /* tp_getset */ @@ -1881,29 +1939,27 @@ PyTypeObject _PyAsyncGenASend_Type = { 0, /* tp_init */ 0, /* tp_alloc */ 0, /* tp_new */ - .tp_finalize = (destructor)async_gen_asend_finalize, + .tp_finalize = async_gen_asend_finalize, }; static PyObject * async_gen_asend_new(PyAsyncGenObject *gen, PyObject *sendval) { - PyAsyncGenASend *o = _Py_FREELIST_POP(PyAsyncGenASend, async_gen_asends); - if (o == NULL) { - o = PyObject_GC_New(PyAsyncGenASend, &_PyAsyncGenASend_Type); - if (o == NULL) { + PyAsyncGenASend *ags = _Py_FREELIST_POP(PyAsyncGenASend, async_gen_asends); + if (ags == NULL) { + ags = PyObject_GC_New(PyAsyncGenASend, &_PyAsyncGenASend_Type); + if (ags == NULL) { return NULL; } } - o->ags_gen = (PyAsyncGenObject*)Py_NewRef(gen); - - o->ags_sendval = Py_XNewRef(sendval); + ags->ags_gen = (PyAsyncGenObject*)Py_NewRef(gen); + ags->ags_sendval = Py_XNewRef(sendval); + ags->ags_state = AWAITABLE_STATE_INIT; - o->ags_state = AWAITABLE_STATE_INIT; - - _PyObject_GC_TRACK((PyObject*)o); - return (PyObject*)o; + _PyObject_GC_TRACK((PyObject*)ags); + return (PyObject*)ags; } @@ -1911,19 +1967,20 @@ async_gen_asend_new(PyAsyncGenObject *gen, PyObject *sendval) static void -async_gen_wrapped_val_dealloc(_PyAsyncGenWrappedValue *o) +async_gen_wrapped_val_dealloc(PyObject *self) { - _PyObject_GC_UNTRACK((PyObject *)o); - Py_CLEAR(o->agw_val); - _Py_FREELIST_FREE(async_gens, o, PyObject_GC_Del); + _PyAsyncGenWrappedValue *agw = _PyAsyncGenWrappedValue_CAST(self); + _PyObject_GC_UNTRACK(self); + Py_CLEAR(agw->agw_val); + _Py_FREELIST_FREE(async_gens, self, PyObject_GC_Del); } static int -async_gen_wrapped_val_traverse(_PyAsyncGenWrappedValue *o, - visitproc visit, void *arg) +async_gen_wrapped_val_traverse(PyObject *self, visitproc visit, void *arg) { - Py_VISIT(o->agw_val); + _PyAsyncGenWrappedValue *agw = _PyAsyncGenWrappedValue_CAST(self); + Py_VISIT(agw->agw_val); return 0; } @@ -1934,7 +1991,7 @@ PyTypeObject _PyAsyncGenWrappedValue_Type = { sizeof(_PyAsyncGenWrappedValue), /* tp_basicsize */ 0, /* tp_itemsize */ /* methods */ - (destructor)async_gen_wrapped_val_dealloc, /* tp_dealloc */ + async_gen_wrapped_val_dealloc, /* tp_dealloc */ 0, /* tp_vectorcall_offset */ 0, /* tp_getattr */ 0, /* tp_setattr */ @@ -1951,7 +2008,7 @@ PyTypeObject _PyAsyncGenWrappedValue_Type = { 0, /* tp_as_buffer */ Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC, /* tp_flags */ 0, /* tp_doc */ - (traverseproc)async_gen_wrapped_val_traverse, /* tp_traverse */ + async_gen_wrapped_val_traverse, /* tp_traverse */ 0, /* tp_clear */ 0, /* tp_richcompare */ 0, /* tp_weaklistoffset */ @@ -1993,34 +2050,40 @@ _PyAsyncGenValueWrapperNew(PyThreadState *tstate, PyObject *val) /* ---------- Async Generator AThrow awaitable ------------ */ +#define _PyAsyncGenAThrow_CAST(op) \ + (assert(Py_IS_TYPE((op), &_PyAsyncGenAThrow_Type)), \ + _Py_CAST(PyAsyncGenAThrow*, (op))) static void -async_gen_athrow_dealloc(PyAsyncGenAThrow *o) +async_gen_athrow_dealloc(PyObject *self) { - if (PyObject_CallFinalizerFromDealloc((PyObject *)o)) { + PyAsyncGenAThrow *agt = _PyAsyncGenAThrow_CAST(self); + if (PyObject_CallFinalizerFromDealloc(self)) { return; } - _PyObject_GC_UNTRACK((PyObject *)o); - Py_CLEAR(o->agt_gen); - Py_CLEAR(o->agt_args); - PyObject_GC_Del(o); + _PyObject_GC_UNTRACK(self); + Py_CLEAR(agt->agt_gen); + Py_CLEAR(agt->agt_args); + PyObject_GC_Del(self); } static int -async_gen_athrow_traverse(PyAsyncGenAThrow *o, visitproc visit, void *arg) +async_gen_athrow_traverse(PyObject *self, visitproc visit, void *arg) { - Py_VISIT(o->agt_gen); - Py_VISIT(o->agt_args); + PyAsyncGenAThrow *agt = _PyAsyncGenAThrow_CAST(self); + Py_VISIT(agt->agt_gen); + Py_VISIT(agt->agt_args); return 0; } static PyObject * -async_gen_athrow_send(PyAsyncGenAThrow *o, PyObject *arg) +async_gen_athrow_send(PyObject *self, PyObject *arg) { - PyGenObject *gen = (PyGenObject*)o->agt_gen; + PyAsyncGenAThrow *o = _PyAsyncGenAThrow_CAST(self); + PyGenObject *gen = _PyGen_CAST(o->agt_gen); PyObject *retval; if (o->agt_state == AWAITABLE_STATE_CLOSED) { @@ -2103,7 +2166,7 @@ async_gen_athrow_send(PyAsyncGenAThrow *o, PyObject *arg) assert(o->agt_state == AWAITABLE_STATE_ITER); - retval = gen_send((PyGenObject *)gen, arg); + retval = gen_send((PyObject *)gen, arg); if (o->agt_args) { return async_gen_unwrap_value(o->agt_gen, retval); } else { @@ -2150,9 +2213,9 @@ async_gen_athrow_send(PyAsyncGenAThrow *o, PyObject *arg) static PyObject * -async_gen_athrow_throw(PyAsyncGenAThrow *o, PyObject *const *args, Py_ssize_t nargs) +async_gen_athrow_throw(PyObject *self, PyObject *const *args, Py_ssize_t nargs) { - PyObject *retval; + PyAsyncGenAThrow *o = _PyAsyncGenAThrow_CAST(self); if (o->agt_state == AWAITABLE_STATE_CLOSED) { PyErr_SetString( @@ -2181,7 +2244,7 @@ async_gen_athrow_throw(PyAsyncGenAThrow *o, PyObject *const *args, Py_ssize_t na o->agt_gen->ag_running_async = 1; } - retval = gen_throw((PyGenObject*)o->agt_gen, args, nargs); + PyObject *retval = gen_throw((PyGenObject*)o->agt_gen, args, nargs); if (o->agt_args) { retval = async_gen_unwrap_value(o->agt_gen, retval); if (retval == NULL) { @@ -2189,7 +2252,8 @@ async_gen_athrow_throw(PyAsyncGenAThrow *o, PyObject *const *args, Py_ssize_t na o->agt_state = AWAITABLE_STATE_CLOSED; } return retval; - } else { + } + else { /* aclose() mode */ if (retval && _PyAsyncGenWrappedValue_CheckExact(retval)) { o->agt_gen->ag_running_async = 0; @@ -2219,20 +2283,21 @@ async_gen_athrow_throw(PyAsyncGenAThrow *o, PyObject *const *args, Py_ssize_t na static PyObject * -async_gen_athrow_iternext(PyAsyncGenAThrow *o) +async_gen_athrow_iternext(PyObject *agt) { - return async_gen_athrow_send(o, Py_None); + return async_gen_athrow_send(agt, Py_None); } static PyObject * -async_gen_athrow_close(PyAsyncGenAThrow *o, PyObject *args) +async_gen_athrow_close(PyObject *self, PyObject *args) { - PyObject *result; - if (o->agt_state == AWAITABLE_STATE_CLOSED) { + PyAsyncGenAThrow *agt = _PyAsyncGenAThrow_CAST(self); + if (agt->agt_state == AWAITABLE_STATE_CLOSED) { Py_RETURN_NONE; } - result = async_gen_athrow_throw(o, &PyExc_GeneratorExit, 1); + PyObject *result = async_gen_athrow_throw((PyObject*)agt, + &PyExc_GeneratorExit, 1); if (result == NULL) { if (PyErr_ExceptionMatches(PyExc_StopIteration) || PyErr_ExceptionMatches(PyExc_StopAsyncIteration) || @@ -2260,10 +2325,10 @@ async_gen_athrow_finalize(PyAsyncGenAThrow *o) } static PyMethodDef async_gen_athrow_methods[] = { - {"send", (PyCFunction)async_gen_athrow_send, METH_O, send_doc}, + {"send", async_gen_athrow_send, METH_O, send_doc}, {"throw", _PyCFunction_CAST(async_gen_athrow_throw), METH_FASTCALL, throw_doc}, - {"close", (PyCFunction)async_gen_athrow_close, METH_NOARGS, close_doc}, + {"close", async_gen_athrow_close, METH_NOARGS, close_doc}, {NULL, NULL} /* Sentinel */ }; @@ -2282,7 +2347,7 @@ PyTypeObject _PyAsyncGenAThrow_Type = { sizeof(PyAsyncGenAThrow), /* tp_basicsize */ 0, /* tp_itemsize */ /* methods */ - (destructor)async_gen_athrow_dealloc, /* tp_dealloc */ + async_gen_athrow_dealloc, /* tp_dealloc */ 0, /* tp_vectorcall_offset */ 0, /* tp_getattr */ 0, /* tp_setattr */ @@ -2299,12 +2364,12 @@ PyTypeObject _PyAsyncGenAThrow_Type = { 0, /* tp_as_buffer */ Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC, /* tp_flags */ 0, /* tp_doc */ - (traverseproc)async_gen_athrow_traverse, /* tp_traverse */ + async_gen_athrow_traverse, /* tp_traverse */ 0, /* tp_clear */ 0, /* tp_richcompare */ 0, /* tp_weaklistoffset */ PyObject_SelfIter, /* tp_iter */ - (iternextfunc)async_gen_athrow_iternext, /* tp_iternext */ + async_gen_athrow_iternext, /* tp_iternext */ async_gen_athrow_methods, /* tp_methods */ 0, /* tp_members */ 0, /* tp_getset */