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bpo-27867: Expand the PySlice_GetIndicesEx macro. (#1023) #1045

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Merged
serhiy-storchaka merged 1 commit into from
Apr 8, 2017
Merged

bpo-27867: Expand the PySlice_GetIndicesEx macro. (#1023) #1045

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10 changes: 4 additions & 6 deletions 10 Modules/_ctypes/_ctypes.c
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Original file line number Diff line number Diff line change
Expand Up @@ -4279,11 +4279,10 @@ Array_subscript(PyObject *myself, PyObject *item)
PyObject *np;
Py_ssize_t start, stop, step, slicelen, cur, i;

if (PySlice_GetIndicesEx(item,
self->b_length, &start, &stop,
&step, &slicelen) < 0) {
if (PySlice_Unpack(item, &start, &stop, &step) < 0) {
return NULL;
}
slicelen = PySlice_AdjustIndices(self->b_length, &start, &stop, step);

stgdict = PyObject_stgdict((PyObject *)self);
assert(stgdict); /* Cannot be NULL for array object instances */
Expand Down Expand Up @@ -4420,11 +4419,10 @@ Array_ass_subscript(PyObject *myself, PyObject *item, PyObject *value)
else if (PySlice_Check(item)) {
Py_ssize_t start, stop, step, slicelen, otherlen, i, cur;

if (PySlice_GetIndicesEx(item,
self->b_length, &start, &stop,
&step, &slicelen) < 0) {
if (PySlice_Unpack(item, &start, &stop, &step) < 0) {
return -1;
}
slicelen = PySlice_AdjustIndices(self->b_length, &start, &stop, step);
if ((step < 0 && start < stop) ||
(step > 0 && start > stop))
stop = start;
Expand Down
12 changes: 6 additions & 6 deletions 12 Modules/_elementtree.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1688,11 +1688,11 @@ element_subscr(PyObject* self_, PyObject* item)
if (!self->extra)
return PyList_New(0);

if (PySlice_GetIndicesEx(item,
self->extra->length,
&start, &stop, &step, &slicelen) < 0) {
if (PySlice_Unpack(item, &start, &stop, &step) < 0) {
return NULL;
}
slicelen = PySlice_AdjustIndices(self->extra->length, &start, &stop,
step);

if (slicelen <= 0)
return PyList_New(0);
Expand Down Expand Up @@ -1744,11 +1744,11 @@ element_ass_subscr(PyObject* self_, PyObject* item, PyObject* value)
return -1;
}

if (PySlice_GetIndicesEx(item,
self->extra->length,
&start, &stop, &step, &slicelen) < 0) {
if (PySlice_Unpack(item, &start, &stop, &step) < 0) {
return -1;
}
slicelen = PySlice_AdjustIndices(self->extra->length, &start, &stop,
step);

if (value == NULL) {
/* Delete slice */
Expand Down
7 changes: 4 additions & 3 deletions 7 Modules/_testbuffer.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1714,10 +1714,10 @@ init_slice(Py_buffer *base, PyObject *key, int dim)
{
Py_ssize_t start, stop, step, slicelength;

if (PySlice_GetIndicesEx(key, base->shape[dim],
&start, &stop, &step, &slicelength) < 0) {
if (PySlice_Unpack(key, &start, &stop, &step) < 0) {
return -1;
}
slicelength = PySlice_AdjustIndices(base->shape[dim], &start, &stop, step);


if (base->suboffsets == NULL || dim == 0) {
Expand Down Expand Up @@ -1934,9 +1934,10 @@ slice_indices(PyObject *self, PyObject *args)
"first argument must be a slice object");
return NULL;
}
if (PySlice_GetIndicesEx(key, len, &s[0], &s[1], &s[2], &s[3]) < 0) {
if (PySlice_Unpack(key, &s[0], &s[1], &s[2]) < 0) {
return NULL;
}
s[3] = PySlice_AdjustIndices(len, &s[0], &s[1], s[2]);

ret = PyTuple_New(4);
if (ret == NULL)
Expand Down
11 changes: 6 additions & 5 deletions 11 Modules/arraymodule.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2343,10 +2343,11 @@ array_subscr(arrayobject* self, PyObject* item)
arrayobject* ar;
int itemsize = self->ob_descr->itemsize;

if (PySlice_GetIndicesEx(item, Py_SIZE(self),
&start, &stop, &step, &slicelength) < 0) {
if (PySlice_Unpack(item, &start, &stop, &step) < 0) {
return NULL;
}
slicelength = PySlice_AdjustIndices(Py_SIZE(self), &start, &stop,
step);

if (slicelength <= 0) {
return newarrayobject(&Arraytype, 0, self->ob_descr);
Expand Down Expand Up @@ -2414,11 +2415,11 @@ array_ass_subscr(arrayobject* self, PyObject* item, PyObject* value)
return (*self->ob_descr->setitem)(self, i, value);
}
else if (PySlice_Check(item)) {
if (PySlice_GetIndicesEx(item,
Py_SIZE(self), &start, &stop,
&step, &slicelength) < 0) {
if (PySlice_Unpack(item, &start, &stop, &step) < 0) {
return -1;
}
slicelength = PySlice_AdjustIndices(Py_SIZE(self), &start, &stop,
step);
}
else {
PyErr_SetString(PyExc_TypeError,
Expand Down
9 changes: 4 additions & 5 deletions 9 Modules/mmapmodule.c
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Original file line number Diff line number Diff line change
Expand Up @@ -807,10 +807,10 @@ mmap_subscript(mmap_object *self, PyObject *item)
else if (PySlice_Check(item)) {
Py_ssize_t start, stop, step, slicelen;

if (PySlice_GetIndicesEx(item, self->size,
&start, &stop, &step, &slicelen) < 0) {
if (PySlice_Unpack(item, &start, &stop, &step) < 0) {
return NULL;
}
slicelen = PySlice_AdjustIndices(self->size, &start, &stop, step);

if (slicelen <= 0)
return PyBytes_FromStringAndSize("", 0);
Expand Down Expand Up @@ -933,11 +933,10 @@ mmap_ass_subscript(mmap_object *self, PyObject *item, PyObject *value)
Py_ssize_t start, stop, step, slicelen;
Py_buffer vbuf;

if (PySlice_GetIndicesEx(item,
self->size, &start, &stop,
&step, &slicelen) < 0) {
if (PySlice_Unpack(item, &start, &stop, &step) < 0) {
return -1;
}
slicelen = PySlice_AdjustIndices(self->size, &start, &stop, step);
if (value == NULL) {
PyErr_SetString(PyExc_TypeError,
"mmap object doesn't support slice deletion");
Expand Down
12 changes: 6 additions & 6 deletions 12 Objects/bytearrayobject.c
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Original file line number Diff line number Diff line change
Expand Up @@ -427,11 +427,11 @@ bytearray_subscript(PyByteArrayObject *self, PyObject *index)
}
else if (PySlice_Check(index)) {
Py_ssize_t start, stop, step, slicelength, cur, i;
if (PySlice_GetIndicesEx(index,
PyByteArray_GET_SIZE(self),
&start, &stop, &step, &slicelength) < 0) {
if (PySlice_Unpack(index, &start, &stop, &step) < 0) {
return NULL;
}
slicelength = PySlice_AdjustIndices(PyByteArray_GET_SIZE(self),
&start, &stop, step);

if (slicelength <= 0)
return PyByteArray_FromStringAndSize("", 0);
Expand Down Expand Up @@ -657,11 +657,11 @@ bytearray_ass_subscript(PyByteArrayObject *self, PyObject *index, PyObject *valu
}
}
else if (PySlice_Check(index)) {
if (PySlice_GetIndicesEx(index,
PyByteArray_GET_SIZE(self),
&start, &stop, &step, &slicelen) < 0) {
if (PySlice_Unpack(index, &start, &stop, &step) < 0) {
return -1;
}
slicelen = PySlice_AdjustIndices(PyByteArray_GET_SIZE(self), &start,
&stop, step);
}
else {
PyErr_Format(PyExc_TypeError,
Expand Down
6 changes: 3 additions & 3 deletions 6 Objects/bytesobject.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1534,11 +1534,11 @@ bytes_subscript(PyBytesObject* self, PyObject* item)
char* result_buf;
PyObject* result;

if (PySlice_GetIndicesEx(item,
PyBytes_GET_SIZE(self),
&start, &stop, &step, &slicelength) < 0) {
if (PySlice_Unpack(item, &start, &stop, &step) < 0) {
return NULL;
}
slicelength = PySlice_AdjustIndices(PyBytes_GET_SIZE(self), &start,
&stop, step);

if (slicelength <= 0) {
return PyBytes_FromStringAndSize("", 0);
Expand Down
10 changes: 6 additions & 4 deletions 10 Objects/listobject.c
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Expand Up @@ -2421,10 +2421,11 @@ list_subscript(PyListObject* self, PyObject* item)
PyObject* it;
PyObject **src, **dest;

if (PySlice_GetIndicesEx(item, Py_SIZE(self),
&start, &stop, &step, &slicelength) < 0) {
if (PySlice_Unpack(item, &start, &stop, &step) < 0) {
return NULL;
}
slicelength = PySlice_AdjustIndices(Py_SIZE(self), &start, &stop,
step);

if (slicelength <= 0) {
return PyList_New(0);
Expand Down Expand Up @@ -2470,10 +2471,11 @@ list_ass_subscript(PyListObject* self, PyObject* item, PyObject* value)
else if (PySlice_Check(item)) {
Py_ssize_t start, stop, step, slicelength;

if (PySlice_GetIndicesEx(item, Py_SIZE(self),
&start, &stop, &step, &slicelength) < 0) {
if (PySlice_Unpack(item, &start, &stop, &step) < 0) {
return -1;
}
slicelength = PySlice_AdjustIndices(Py_SIZE(self), &start, &stop,
step);

if (step == 1)
return list_ass_slice(self, start, stop, value);
Expand Down
4 changes: 2 additions & 2 deletions 4 Objects/memoryobject.c
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Expand Up @@ -2311,10 +2311,10 @@ init_slice(Py_buffer *base, PyObject *key, int dim)
{
Py_ssize_t start, stop, step, slicelength;

if (PySlice_GetIndicesEx(key, base->shape[dim],
&start, &stop, &step, &slicelength) < 0) {
if (PySlice_Unpack(key, &start, &stop, &step) < 0) {
return -1;
}
slicelength = PySlice_AdjustIndices(base->shape[dim], &start, &stop, step);


if (base->suboffsets == NULL || dim == 0) {
Expand Down
6 changes: 3 additions & 3 deletions 6 Objects/tupleobject.c
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Expand Up @@ -713,11 +713,11 @@ tuplesubscript(PyTupleObject* self, PyObject* item)
PyObject* it;
PyObject **src, **dest;

if (PySlice_GetIndicesEx(item,
PyTuple_GET_SIZE(self),
&start, &stop, &step, &slicelength) < 0) {
if (PySlice_Unpack(item, &start, &stop, &step) < 0) {
return NULL;
}
slicelength = PySlice_AdjustIndices(PyTuple_GET_SIZE(self), &start,
&stop, step);

if (slicelength <= 0) {
return PyTuple_New(0);
Expand Down
5 changes: 3 additions & 2 deletions 5 Objects/unicodeobject.c
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Expand Up @@ -13804,10 +13804,11 @@ unicode_subscript(PyObject* self, PyObject* item)
int src_kind, dest_kind;
Py_UCS4 ch, max_char, kind_limit;

if (PySlice_GetIndicesEx(item, PyUnicode_GET_LENGTH(self),
&start, &stop, &step, &slicelength) < 0) {
if (PySlice_Unpack(item, &start, &stop, &step) < 0) {
return NULL;
}
slicelength = PySlice_AdjustIndices(PyUnicode_GET_LENGTH(self),
&start, &stop, step);

if (slicelength <= 0) {
_Py_RETURN_UNICODE_EMPTY();
Expand Down
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