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fix the reference counting for callbacks in Python

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kr.angelov
2015-01-05 11:24:00 +00:00
parent 3bd40dbab6
commit 35c11d5f5a
1 changed files with 10 additions and 3 deletions
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11
src/runtime/python/pypgf.c
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@@ -1212,9 +1212,14 @@ pypgf_literal_callback_match(PgfLiteralCallback* self,
PyObject* result = PyObject* result =
PyObject_CallFunction(callback->pycallback, "isi", PyObject_CallFunction(callback->pycallback, "isi",
lin_idx, sentence, *poffset); lin_idx, sentence, *poffset);
if (result == NULL || result == Py_None) if (result == NULL)
return NULL; return NULL;
if (result == Py_None) {
Py_DECREF(result);
return NULL;
}
PgfExprProb* ep = gu_new(PgfExprProb, out_pool); PgfExprProb* ep = gu_new(PgfExprProb, out_pool);
ExprObject* pyexpr; ExprObject* pyexpr;
@@ -1251,7 +1256,7 @@ pypgf_literal_callback_match(PgfLiteralCallback* self,
gu_pool_free(tmp_pool); gu_pool_free(tmp_pool);
} }
Py_DECREF(pyexpr); Py_DECREF(result);
return ep; return ep;
} }
@@ -1300,6 +1305,8 @@ pypgf_new_callbacks_map(PgfConcr* concr, PyObject *py_callbacks,
callback->pycallback = pycallback; callback->pycallback = pycallback;
callback->fin.fn = pypgf_literal_callback_fin; callback->fin.fn = pypgf_literal_callback_fin;
Py_XINCREF(callback->pycallback);
gu_pool_finally(pool, &callback->fin); gu_pool_finally(pool, &callback->fin);
pgf_callbacks_map_add_literal(concr, callbacks, pgf_callbacks_map_add_literal(concr, callbacks,