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-rw-r--r--Objects/dictobject.c5
-rw-r--r--Objects/exceptions.c49
-rw-r--r--Objects/longobject.c28
-rw-r--r--Objects/rangeobject.c41
-rw-r--r--Objects/unicodeobject.c91
5 files changed, 65 insertions, 149 deletions
diff --git a/Objects/dictobject.c b/Objects/dictobject.c
index 0806e472e5..649205c059 100644
--- a/Objects/dictobject.c
+++ b/Objects/dictobject.c
@@ -10,8 +10,9 @@
This implements the dictionary's hashtable.
-As of Python 3.6, this is compact and ordered. Basic idea is described here.
-https://morepypy.blogspot.com/2015/01/faster-more-memory-efficient-and-more.html
+As of Python 3.6, this is compact and ordered. Basic idea is described here:
+* https://mail.python.org/pipermail/python-dev/2012-December/123028.html
+* https://morepypy.blogspot.com/2015/01/faster-more-memory-efficient-and-more.html
layout:
diff --git a/Objects/exceptions.c b/Objects/exceptions.c
index f63f06a145..57a786c022 100644
--- a/Objects/exceptions.c
+++ b/Objects/exceptions.c
@@ -631,19 +631,17 @@ ImportError_init(PyImportErrorObject *self, PyObject *args, PyObject *kwds)
}
Py_DECREF(empty_tuple);
- if (name) {
- Py_INCREF(name);
- Py_XSETREF(self->name, name);
- }
- if (path) {
- Py_INCREF(path);
- Py_XSETREF(self->path, path);
- }
+ Py_XINCREF(name);
+ Py_XSETREF(self->name, name);
+
+ Py_XINCREF(path);
+ Py_XSETREF(self->path, path);
+
if (PyTuple_GET_SIZE(args) == 1) {
msg = PyTuple_GET_ITEM(args, 0);
Py_INCREF(msg);
- Py_XSETREF(self->msg, msg);
}
+ Py_XSETREF(self->msg, msg);
return 0;
}
@@ -1822,18 +1820,10 @@ UnicodeEncodeError_init(PyObject *self, PyObject *args, PyObject *kwds)
Py_CLEAR(err->object);
Py_CLEAR(err->reason);
- if (!PyArg_ParseTuple(args, "O!O!nnO!",
- &PyUnicode_Type, &err->encoding,
- &PyUnicode_Type, &err->object,
- &err->start,
- &err->end,
- &PyUnicode_Type, &err->reason)) {
- err->encoding = err->object = err->reason = NULL;
- return -1;
- }
-
- if (PyUnicode_READY(err->object) < -1) {
- err->encoding = NULL;
+ if (!PyArg_ParseTuple(args, "UUnnU",
+ &err->encoding, &err->object,
+ &err->start, &err->end, &err->reason)) {
+ err->encoding = err->object = err->reason = NULL;
return -1;
}
@@ -1937,12 +1927,9 @@ UnicodeDecodeError_init(PyObject *self, PyObject *args, PyObject *kwds)
Py_CLEAR(ude->object);
Py_CLEAR(ude->reason);
- if (!PyArg_ParseTuple(args, "O!OnnO!",
- &PyUnicode_Type, &ude->encoding,
- &ude->object,
- &ude->start,
- &ude->end,
- &PyUnicode_Type, &ude->reason)) {
+ if (!PyArg_ParseTuple(args, "UOnnU",
+ &ude->encoding, &ude->object,
+ &ude->start, &ude->end, &ude->reason)) {
ude->encoding = ude->object = ude->reason = NULL;
return -1;
}
@@ -2052,11 +2039,9 @@ UnicodeTranslateError_init(PyUnicodeErrorObject *self, PyObject *args,
Py_CLEAR(self->object);
Py_CLEAR(self->reason);
- if (!PyArg_ParseTuple(args, "O!nnO!",
- &PyUnicode_Type, &self->object,
- &self->start,
- &self->end,
- &PyUnicode_Type, &self->reason)) {
+ if (!PyArg_ParseTuple(args, "UnnU",
+ &self->object,
+ &self->start, &self->end, &self->reason)) {
self->object = self->reason = NULL;
return -1;
}
diff --git a/Objects/longobject.c b/Objects/longobject.c
index a453241b3f..6e569b218d 100644
--- a/Objects/longobject.c
+++ b/Objects/longobject.c
@@ -315,7 +315,6 @@ PyLong_FromUnsignedLong(unsigned long ival)
v = _PyLong_New(ndigits);
if (v != NULL) {
digit *p = v->ob_digit;
- Py_SIZE(v) = ndigits;
while (ival) {
*p++ = (digit)(ival & PyLong_MASK);
ival >>= PyLong_SHIFT;
@@ -1102,7 +1101,6 @@ PyLong_FromUnsignedLongLong(unsigned long long ival)
v = _PyLong_New(ndigits);
if (v != NULL) {
digit *p = v->ob_digit;
- Py_SIZE(v) = ndigits;
while (ival) {
*p++ = (digit)(ival & PyLong_MASK);
ival >>= PyLong_SHIFT;
@@ -3105,9 +3103,7 @@ long_add(PyLongObject *a, PyLongObject *b)
CHECK_BINOP(a, b);
if (Py_ABS(Py_SIZE(a)) <= 1 && Py_ABS(Py_SIZE(b)) <= 1) {
- PyObject *result = PyLong_FromLong(MEDIUM_VALUE(a) +
- MEDIUM_VALUE(b));
- return result;
+ return PyLong_FromLong(MEDIUM_VALUE(a) + MEDIUM_VALUE(b));
}
if (Py_SIZE(a) < 0) {
if (Py_SIZE(b) < 0) {
@@ -3141,9 +3137,7 @@ long_sub(PyLongObject *a, PyLongObject *b)
CHECK_BINOP(a, b);
if (Py_ABS(Py_SIZE(a)) <= 1 && Py_ABS(Py_SIZE(b)) <= 1) {
- PyObject* r;
- r = PyLong_FromLong(MEDIUM_VALUE(a)-MEDIUM_VALUE(b));
- return r;
+ return PyLong_FromLong(MEDIUM_VALUE(a) - MEDIUM_VALUE(b));
}
if (Py_SIZE(a) < 0) {
if (Py_SIZE(b) < 0)
@@ -4296,22 +4290,22 @@ long_rshift(PyLongObject *a, PyLongObject *b)
PyLongObject *a1, *a2;
a1 = (PyLongObject *) long_invert(a);
if (a1 == NULL)
- goto rshift_error;
+ return NULL;
a2 = (PyLongObject *) long_rshift(a1, b);
Py_DECREF(a1);
if (a2 == NULL)
- goto rshift_error;
+ return NULL;
z = (PyLongObject *) long_invert(a2);
Py_DECREF(a2);
}
else {
shiftby = PyLong_AsSsize_t((PyObject *)b);
if (shiftby == -1L && PyErr_Occurred())
- goto rshift_error;
+ return NULL;
if (shiftby < 0) {
PyErr_SetString(PyExc_ValueError,
"negative shift count");
- goto rshift_error;
+ return NULL;
}
wordshift = shiftby / PyLong_SHIFT;
newsize = Py_ABS(Py_SIZE(a)) - wordshift;
@@ -4323,19 +4317,15 @@ long_rshift(PyLongObject *a, PyLongObject *b)
himask = PyLong_MASK ^ lomask;
z = _PyLong_New(newsize);
if (z == NULL)
- goto rshift_error;
- if (Py_SIZE(a) < 0)
- Py_SIZE(z) = -(Py_SIZE(z));
+ return NULL;
for (i = 0, j = wordshift; i < newsize; i++, j++) {
z->ob_digit[i] = (a->ob_digit[j] >> loshift) & lomask;
if (i+1 < newsize)
z->ob_digit[i] |= (a->ob_digit[j+1] << hishift) & himask;
}
- z = long_normalize(z);
+ z = maybe_small_long(long_normalize(z));
}
- rshift_error:
- return (PyObject *) maybe_small_long(z);
-
+ return (PyObject *)z;
}
static PyObject *
diff --git a/Objects/rangeobject.c b/Objects/rangeobject.c
index 8449fc7a24..45c557ff57 100644
--- a/Objects/rangeobject.c
+++ b/Objects/rangeobject.c
@@ -829,8 +829,6 @@ static PyMethodDef rangeiter_methods[] = {
{NULL, NULL} /* sentinel */
};
-static PyObject *rangeiter_new(PyTypeObject *, PyObject *args, PyObject *kw);
-
PyTypeObject PyRangeIter_Type = {
PyVarObject_HEAD_INIT(&PyType_Type, 0)
"range_iterator", /* tp_name */
@@ -862,15 +860,6 @@ PyTypeObject PyRangeIter_Type = {
(iternextfunc)rangeiter_next, /* tp_iternext */
rangeiter_methods, /* tp_methods */
0, /* tp_members */
- 0, /* tp_getset */
- 0, /* tp_base */
- 0, /* tp_dict */
- 0, /* tp_descr_get */
- 0, /* tp_descr_set */
- 0, /* tp_dictoffset */
- 0, /* tp_init */
- 0, /* tp_alloc */
- rangeiter_new, /* tp_new */
};
/* Return number of items in range (lo, hi, step). step != 0
@@ -925,36 +914,6 @@ fast_range_iter(long start, long stop, long step)
return (PyObject *)it;
}
-static PyObject *
-rangeiter_new(PyTypeObject *type, PyObject *args, PyObject *kw)
-{
- long start, stop, step;
-
- if (PyErr_WarnEx(PyExc_DeprecationWarning,
- "range_iterator(): creating instances of range_iterator "
- "by calling range_iterator type is deprecated",
- 1)) {
- return NULL;
- }
-
- if (!_PyArg_NoKeywords("range_iterator()", kw)) {
- return NULL;
- }
-
- if (!PyArg_ParseTuple(args,
- "lll;range_iterator() requires 3 int arguments",
- &start, &stop, &step)) {
- return NULL;
- }
- if (step == 0) {
- PyErr_SetString(PyExc_ValueError,
- "range_iterator() arg 3 must not be zero");
- return NULL;
- }
-
- return fast_range_iter(start, stop, step);
-}
-
typedef struct {
PyObject_HEAD
PyObject *index;
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index e45f3d7c27..134fa07600 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -1029,8 +1029,7 @@ resize_copy(PyObject *unicode, Py_ssize_t length)
if (_PyUnicode_KIND(unicode) != PyUnicode_WCHAR_KIND) {
PyObject *copy;
- if (PyUnicode_READY(unicode) == -1)
- return NULL;
+ assert(PyUnicode_IS_READY(unicode));
copy = PyUnicode_New(length, PyUnicode_MAX_CHAR_VALUE(unicode));
if (copy == NULL)
@@ -1974,14 +1973,11 @@ unicode_char(Py_UCS4 ch)
unicode = PyUnicode_New(1, ch);
if (unicode == NULL)
return NULL;
- switch (PyUnicode_KIND(unicode)) {
- case PyUnicode_1BYTE_KIND:
- PyUnicode_1BYTE_DATA(unicode)[0] = (Py_UCS1)ch;
- break;
- case PyUnicode_2BYTE_KIND:
+
+ assert(PyUnicode_KIND(unicode) != PyUnicode_1BYTE_KIND);
+ if (PyUnicode_KIND(unicode) == PyUnicode_2BYTE_KIND) {
PyUnicode_2BYTE_DATA(unicode)[0] = (Py_UCS2)ch;
- break;
- default:
+ } else {
assert(PyUnicode_KIND(unicode) == PyUnicode_4BYTE_KIND);
PyUnicode_4BYTE_DATA(unicode)[0] = ch;
}
@@ -3412,11 +3408,9 @@ PyUnicode_EncodeLocale(PyObject *unicode, const char *errors)
{
Py_ssize_t wlen, wlen2;
wchar_t *wstr;
- PyObject *bytes = NULL;
char *errmsg;
- PyObject *reason = NULL;
- PyObject *exc;
- size_t error_pos;
+ PyObject *bytes, *reason, *exc;
+ size_t error_pos, errlen;
int surrogateescape;
if (locale_error_handler(errors, &surrogateescape) < 0)
@@ -3471,6 +3465,7 @@ PyUnicode_EncodeLocale(PyObject *unicode, const char *errors)
len2 = wcstombs(PyBytes_AS_STRING(bytes), wstr, len+1);
if (len2 == (size_t)-1 || len2 > len) {
+ Py_DECREF(bytes);
error_pos = (size_t)-1;
goto encode_error;
}
@@ -3486,17 +3481,15 @@ encode_error:
error_pos = wcstombs_errorpos(wstr);
PyMem_Free(wstr);
- Py_XDECREF(bytes);
-
- if (errmsg != NULL) {
- size_t errlen;
- wstr = Py_DecodeLocale(errmsg, &errlen);
- if (wstr != NULL) {
- reason = PyUnicode_FromWideChar(wstr, errlen);
- PyMem_RawFree(wstr);
- } else
- errmsg = NULL;
+
+ wstr = Py_DecodeLocale(errmsg, &errlen);
+ if (wstr != NULL) {
+ reason = PyUnicode_FromWideChar(wstr, errlen);
+ PyMem_RawFree(wstr);
+ } else {
+ errmsg = NULL;
}
+
if (errmsg == NULL)
reason = PyUnicode_FromString(
"wcstombs() encountered an unencodable "
@@ -3512,7 +3505,7 @@ encode_error:
Py_DECREF(reason);
if (exc != NULL) {
PyCodec_StrictErrors(exc);
- Py_XDECREF(exc);
+ Py_DECREF(exc);
}
return NULL;
}
@@ -3719,10 +3712,9 @@ PyUnicode_DecodeLocaleAndSize(const char *str, Py_ssize_t len,
size_t wlen, wlen2;
PyObject *unicode;
int surrogateescape;
- size_t error_pos;
+ size_t error_pos, errlen;
char *errmsg;
- PyObject *reason = NULL; /* initialize to prevent gcc warning */
- PyObject *exc;
+ PyObject *exc, *reason = NULL; /* initialize to prevent gcc warning */
if (locale_error_handler(errors, &surrogateescape) < 0)
return NULL;
@@ -3780,19 +3772,16 @@ PyUnicode_DecodeLocaleAndSize(const char *str, Py_ssize_t len,
return unicode;
decode_error:
- reason = NULL;
errmsg = strerror(errno);
assert(errmsg != NULL);
error_pos = mbstowcs_errorpos(str, len);
- if (errmsg != NULL) {
- size_t errlen;
- wstr = Py_DecodeLocale(errmsg, &errlen);
- if (wstr != NULL) {
- reason = PyUnicode_FromWideChar(wstr, errlen);
- PyMem_RawFree(wstr);
- }
+ wstr = Py_DecodeLocale(errmsg, &errlen);
+ if (wstr != NULL) {
+ reason = PyUnicode_FromWideChar(wstr, errlen);
+ PyMem_RawFree(wstr);
}
+
if (reason == NULL)
reason = PyUnicode_FromString(
"mbstowcs() encountered an invalid multibyte sequence");
@@ -3807,7 +3796,7 @@ decode_error:
Py_DECREF(reason);
if (exc != NULL) {
PyCodec_StrictErrors(exc);
- Py_XDECREF(exc);
+ Py_DECREF(exc);
}
return NULL;
}
@@ -4257,7 +4246,7 @@ unicode_decode_call_errorhandler_wchar(
Py_ssize_t *endinpos, PyObject **exceptionObject, const char **inptr,
PyObject **output, Py_ssize_t *outpos)
{
- static const char *argparse = "O!n;decoding error handler must return (str, int) tuple";
+ static const char *argparse = "Un;decoding error handler must return (str, int) tuple";
PyObject *restuple = NULL;
PyObject *repunicode = NULL;
@@ -4290,10 +4279,10 @@ unicode_decode_call_errorhandler_wchar(
if (restuple == NULL)
goto onError;
if (!PyTuple_Check(restuple)) {
- PyErr_SetString(PyExc_TypeError, &argparse[4]);
+ PyErr_SetString(PyExc_TypeError, &argparse[3]);
goto onError;
}
- if (!PyArg_ParseTuple(restuple, argparse, &PyUnicode_Type, &repunicode, &newpos))
+ if (!PyArg_ParseTuple(restuple, argparse, &repunicode, &newpos))
goto onError;
/* Copy back the bytes variables, which might have been modified by the
@@ -4301,9 +4290,6 @@ unicode_decode_call_errorhandler_wchar(
inputobj = PyUnicodeDecodeError_GetObject(*exceptionObject);
if (!inputobj)
goto onError;
- if (!PyBytes_Check(inputobj)) {
- PyErr_Format(PyExc_TypeError, "exception attribute object must be bytes");
- }
*input = PyBytes_AS_STRING(inputobj);
insize = PyBytes_GET_SIZE(inputobj);
*inend = *input + insize;
@@ -4344,7 +4330,7 @@ unicode_decode_call_errorhandler_wchar(
*inptr = *input + newpos;
/* we made it! */
- Py_XDECREF(restuple);
+ Py_DECREF(restuple);
return 0;
overflow:
@@ -4365,7 +4351,7 @@ unicode_decode_call_errorhandler_writer(
Py_ssize_t *endinpos, PyObject **exceptionObject, const char **inptr,
_PyUnicodeWriter *writer /* PyObject **output, Py_ssize_t *outpos */)
{
- static const char *argparse = "O!n;decoding error handler must return (str, int) tuple";
+ static const char *argparse = "Un;decoding error handler must return (str, int) tuple";
PyObject *restuple = NULL;
PyObject *repunicode = NULL;
@@ -4392,10 +4378,10 @@ unicode_decode_call_errorhandler_writer(
if (restuple == NULL)
goto onError;
if (!PyTuple_Check(restuple)) {
- PyErr_SetString(PyExc_TypeError, &argparse[4]);
+ PyErr_SetString(PyExc_TypeError, &argparse[3]);
goto onError;
}
- if (!PyArg_ParseTuple(restuple, argparse, &PyUnicode_Type, &repunicode, &newpos))
+ if (!PyArg_ParseTuple(restuple, argparse, &repunicode, &newpos))
goto onError;
/* Copy back the bytes variables, which might have been modified by the
@@ -4403,9 +4389,6 @@ unicode_decode_call_errorhandler_writer(
inputobj = PyUnicodeDecodeError_GetObject(*exceptionObject);
if (!inputobj)
goto onError;
- if (!PyBytes_Check(inputobj)) {
- PyErr_Format(PyExc_TypeError, "exception attribute object must be bytes");
- }
*input = PyBytes_AS_STRING(inputobj);
insize = PyBytes_GET_SIZE(inputobj);
*inend = *input + insize;
@@ -4420,8 +4403,6 @@ unicode_decode_call_errorhandler_writer(
goto onError;
}
- if (PyUnicode_READY(repunicode) < 0)
- goto onError;
replen = PyUnicode_GET_LENGTH(repunicode);
if (replen > 1) {
writer->min_length += replen - 1;
@@ -4437,7 +4418,7 @@ unicode_decode_call_errorhandler_writer(
*inptr = *input + newpos;
/* we made it! */
- Py_XDECREF(restuple);
+ Py_DECREF(restuple);
return 0;
onError:
@@ -8646,7 +8627,7 @@ unicode_translate_call_errorhandler(const char *errors,
Py_ssize_t startpos, Py_ssize_t endpos,
Py_ssize_t *newpos)
{
- static const char *argparse = "O!n;translating error handler must return (str, int) tuple";
+ static const char *argparse = "Un;translating error handler must return (str, int) tuple";
Py_ssize_t i_newpos;
PyObject *restuple;
@@ -8668,11 +8649,11 @@ unicode_translate_call_errorhandler(const char *errors,
if (restuple == NULL)
return NULL;
if (!PyTuple_Check(restuple)) {
- PyErr_SetString(PyExc_TypeError, &argparse[4]);
+ PyErr_SetString(PyExc_TypeError, &argparse[3]);
Py_DECREF(restuple);
return NULL;
}
- if (!PyArg_ParseTuple(restuple, argparse, &PyUnicode_Type,
+ if (!PyArg_ParseTuple(restuple, argparse,
&resunicode, &i_newpos)) {
Py_DECREF(restuple);
return NULL;