Implement PEP 380 - 'yield from' (closes #11682)
diff --git a/Objects/exceptions.c b/Objects/exceptions.c
index 3318115..a529a3c 100644
--- a/Objects/exceptions.c
+++ b/Objects/exceptions.c
@@ -487,8 +487,70 @@
/*
* StopIteration extends Exception
*/
-SimpleExtendsException(PyExc_Exception, StopIteration,
- "Signal the end from iterator.__next__().");
+
+static PyMemberDef StopIteration_members[] = {
+ {"value", T_OBJECT, offsetof(PyStopIterationObject, value), 0,
+ PyDoc_STR("generator return value")},
+ {NULL} /* Sentinel */
+};
+
+static int
+StopIteration_init(PyStopIterationObject *self, PyObject *args, PyObject *kwds)
+{
+ Py_ssize_t size = PyTuple_GET_SIZE(args);
+ PyObject *value;
+
+ if (BaseException_init((PyBaseExceptionObject *)self, args, kwds) == -1)
+ return -1;
+ Py_CLEAR(self->value);
+ if (size > 0)
+ value = PyTuple_GET_ITEM(args, 0);
+ else
+ value = Py_None;
+ Py_INCREF(value);
+ self->value = value;
+ return 0;
+}
+
+static int
+StopIteration_clear(PyStopIterationObject *self)
+{
+ Py_CLEAR(self->value);
+ return BaseException_clear((PyBaseExceptionObject *)self);
+}
+
+static void
+StopIteration_dealloc(PyStopIterationObject *self)
+{
+ _PyObject_GC_UNTRACK(self);
+ StopIteration_clear(self);
+ Py_TYPE(self)->tp_free((PyObject *)self);
+}
+
+static int
+StopIteration_traverse(PyStopIterationObject *self, visitproc visit, void *arg)
+{
+ Py_VISIT(self->value);
+ return BaseException_traverse((PyBaseExceptionObject *)self, visit, arg);
+}
+
+PyObject *
+PyStopIteration_Create(PyObject *value)
+{
+ return PyObject_CallFunctionObjArgs(PyExc_StopIteration, value, NULL);
+}
+
+ComplexExtendsException(
+ PyExc_Exception, /* base */
+ StopIteration, /* name */
+ StopIteration, /* prefix for *_init, etc */
+ 0, /* new */
+ 0, /* methods */
+ StopIteration_members, /* members */
+ 0, /* getset */
+ 0, /* str */
+ "Signal the end from iterator.__next__()."
+);
/*