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Implement PEP 380 - 'yield from' (closes #11682)

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Nick Coghlan 2012-01-13 21:43:40 +10:00
parent e51757f6de
commit 1f7ce62bd6
33 changed files with 872 additions and 421 deletions
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66
Objects/exceptions.c
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@ -487,8 +487,70 @@ SimpleExtendsException(PyExc_Exception, TypeError,
/*
* 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__()."
);
/*