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bugfix for bracketedLinearize which was causing crash if the tree cannot be linearized

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kr.angelov
2013-05-07 08:35:33 +00:00
parent 687b326ed0
commit 517b8ff1ee
1 changed files with 8 additions and 2 deletions
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10
src/runtime/python/pypgf.c
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@@ -1171,8 +1171,14 @@ Concr_bracketedLinearize(ConcrObject* self, PyObject *args)
gu_pool_free(tmp_pool);
PyObject* bracket = PyList_GetItem(list, 0);
Py_INCREF(bracket);
PyObject* bracket = NULL;
if (PyList_Size(list) == 1) {
bracket = PyList_GetItem(list, 0);
Py_INCREF(bracket);
} else {
PyErr_SetString(PGFError, "The abstract tree cannot be linearized");
}
Py_DECREF(list);
return bracket;