diff options
Diffstat (limited to 'Objects/frameobject.c')
-rw-r--r-- | Objects/frameobject.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/Objects/frameobject.c b/Objects/frameobject.c index 48fc2ca0ee..035c2c57ea 100644 --- a/Objects/frameobject.c +++ b/Objects/frameobject.c @@ -513,6 +513,29 @@ 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 PyLong_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) @@ -542,7 +565,7 @@ 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 */ |