Coccinelle semantic patch to find misuses of PyDescr_NewMethod with respect to reference counters in cpython (original) (raw)
Coccinelle semantic patch to find misuses of PyDescr_NewMethod with respect to reference counters in cpython
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| @r exists@ |
|---|
| local idexpression x; |
| expression e; |
| position p1,p2; |
| @@ |
| x = PyDescr_NewMethod@p1(...) |
| ... when != Py_INCREF(x) |
| when != Py_XINCREF(x) |
| when != Py_DECREF(x) |
| when != Py_XDECREF(x) |
| when != e = x |
| when != true x == NULL |
| ( |
| return <+...x...+>; |
| | |
| return@p2 ...; |
| ) |
| @script:python@ |
| p1 << r.p1; |
| p2 << r.p2; |
| @@ |
| cocci.print_main("call",p1) |
| cocci.print_secs("ret",p2) |