Mercurial > cpython-lru_cache-weakref
diff Objects/codeobject.c @ 59694:22f589a8e3ab legacy-trunk
Add support for weak references to code objects. This will be used by an optimization in the incoming Python 3 JIT.
Patch by Reid Kleckner!
| author | Collin Winter <collinw@gmail.com> |
|---|---|
| date | Thu, 18 Mar 2010 21:54:01 +0000 |
| parents | dddf424bd669 |
| children | fd25030223b0 |
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--- a/Objects/codeobject.c Thu Mar 18 21:50:06 2010 +0000 +++ b/Objects/codeobject.c Thu Mar 18 21:54:01 2010 +0000 @@ -103,6 +103,7 @@ Py_INCREF(lnotab); co->co_lnotab = lnotab; co->co_zombieframe = NULL; + co->co_weakreflist = NULL; } return co; } @@ -314,6 +315,8 @@ Py_XDECREF(co->co_lnotab); if (co->co_zombieframe != NULL) PyObject_GC_Del(co->co_zombieframe); + if (co->co_weakreflist != NULL) + PyObject_ClearWeakRefs((PyObject*)co); PyObject_DEL(co); } @@ -490,8 +493,8 @@ code_doc, /* tp_doc */ 0, /* tp_traverse */ 0, /* tp_clear */ - code_richcompare, /* tp_richcompare */ - 0, /* tp_weaklistoffset */ + code_richcompare, /* tp_richcompare */ + offsetof(PyCodeObject, co_weakreflist), /* tp_weaklistoffset */ 0, /* tp_iter */ 0, /* tp_iternext */ 0, /* tp_methods */