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Add weakref support to sockets and re pattern objects.

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Raymond Hettinger 2004-05-31 03:09:25 +00:00
parent cb87bc8e7e
commit 027bb633b6
7 changed files with 69 additions and 5 deletions
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25
Modules/_sre.c
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@ -1673,6 +1673,8 @@ _compile(PyObject* self_, PyObject* args)
Py_XINCREF(indexgroup);
self->indexgroup = indexgroup;
self->weakreflist = NULL;
return (PyObject*) self;
}
@ -1985,6 +1987,8 @@ pattern_scanner(PatternObject* pattern, PyObject* args)
static void
pattern_dealloc(PatternObject* self)
{
if (self->weakreflist != NULL)
PyObject_ClearWeakRefs((PyObject *) self);
Py_XDECREF(self->pattern);
Py_XDECREF(self->groupindex);
Py_XDECREF(self->indexgroup);
@ -2632,6 +2636,7 @@ pattern_copy(PatternObject* self, PyObject* args)
memcpy((char*) copy + offset, (char*) self + offset,
sizeof(PatternObject) + self->codesize * sizeof(SRE_CODE) - offset);
copy->weakreflist = NULL;
return (PyObject*) copy;
#else
@ -2722,7 +2727,25 @@ statichere PyTypeObject Pattern_Type = {
sizeof(PatternObject), sizeof(SRE_CODE),
(destructor)pattern_dealloc, /*tp_dealloc*/
0, /*tp_print*/
(getattrfunc)pattern_getattr /*tp_getattr*/
(getattrfunc)pattern_getattr, /*tp_getattr*/
0, /* tp_setattr */
0, /* tp_compare */
0, /* tp_repr */
0, /* tp_as_number */
0, /* tp_as_sequence */
0, /* tp_as_mapping */
0, /* tp_hash */
0, /* tp_call */
0, /* tp_str */
0, /* tp_getattro */
0, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_HAVE_WEAKREFS, /* tp_flags */
0, /* tp_doc */
0, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
offsetof(PatternObject, weakreflist), /* tp_weaklistoffset */
};
/* -------------------------------------------------------------------- */