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Added additional __sizeof__ implementations and addressed comments made in

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Issue3122.
This commit is contained in:
Robert Schuppenies 2008-07-10 15:24:04 +00:00
parent cc3f2b1d16
commit 9be2ec109b
6 changed files with 105 additions and 35 deletions
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25
Objects/frameobject.c
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@ -508,6 +508,29 @@ frame_clear(PyFrameObject *f)
}
}
static PyObject *
frame_sizeof(PyFrameObject *f)
{
Py_ssize_t res, extras, ncells, nfrees;
ncells = PyTuple_GET_SIZE(f->f_code->co_cellvars);
nfrees = PyTuple_GET_SIZE(f->f_code->co_freevars);
extras = f->f_code->co_stacksize + f->f_code->co_nlocals +
ncells + nfrees;
// subtract one as it is already included in PyFrameObject
res = sizeof(PyFrameObject) + (extras-1) * sizeof(PyObject *);
return PyInt_FromSsize_t(res);
}
PyDoc_STRVAR(sizeof__doc__,
"F.__sizeof__() -> size of F in memory, in bytes");
static PyMethodDef frame_methods[] = {
{"__sizeof__", (PyCFunction)frame_sizeof, METH_NOARGS,
sizeof__doc__},
{NULL, NULL} /* sentinel */
};
PyTypeObject PyFrame_Type = {
PyVarObject_HEAD_INIT(&PyType_Type, 0)
@ -537,7 +560,7 @@ PyTypeObject PyFrame_Type = {
0, /* tp_weaklistoffset */
0, /* tp_iter */
0, /* tp_iternext */
0, /* tp_methods */
frame_methods, /* tp_methods */
frame_memberlist, /* tp_members */
frame_getsetlist, /* tp_getset */
0, /* tp_base */