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Patch #1538606, Patch to fix __index__() clipping.

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I modified this patch some by fixing style, some error checking, and adding
XXX comments.  This patch requires review and some changes are to be expected.
I'm checking in now to get the greatest possible review and establish a
baseline for moving forward.  I don't want this to hold up release if possible.
This commit is contained in:
Neal Norwitz 2006-08-12 17:03:09 +00:00
parent f3e304297e
commit 8a87f5d37e
19 changed files with 321 additions and 236 deletions
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18
Python/ceval.c
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@ -3866,12 +3866,14 @@ _PyEval_SliceIndex(PyObject *v, Py_ssize_t *pi)
if (v != NULL) {
Py_ssize_t x;
if (PyInt_Check(v)) {
x = PyInt_AsSsize_t(v);
/* XXX(nnorwitz): I think PyInt_AS_LONG is correct,
however, it looks like it should be AsSsize_t.
There should be a comment here explaining why.
*/
x = PyInt_AS_LONG(v);
}
else if (v->ob_type->tp_as_number &&
PyType_HasFeature(v->ob_type, Py_TPFLAGS_HAVE_INDEX)
&& v->ob_type->tp_as_number->nb_index) {
x = v->ob_type->tp_as_number->nb_index(v);
else if (PyIndex_Check(v)) {
x = PyNumber_AsSsize_t(v, NULL);
if (x == -1 && PyErr_Occurred())
return 0;
}
@ -3887,10 +3889,8 @@ _PyEval_SliceIndex(PyObject *v, Py_ssize_t *pi)
}
#undef ISINDEX
#define ISINDEX(x) ((x) == NULL || PyInt_Check(x) || PyLong_Check(x) || \
((x)->ob_type->tp_as_number && \
PyType_HasFeature((x)->ob_type, Py_TPFLAGS_HAVE_INDEX) \
&& (x)->ob_type->tp_as_number->nb_index))
#define ISINDEX(x) ((x) == NULL || \
PyInt_Check(x) || PyLong_Check(x) || PyIndex_Check(x))
static PyObject *
apply_slice(PyObject *u, PyObject *v, PyObject *w) /* return u[v:w] */