1 /* Python reference-holding class 2 3 Copyright (C) 2016-2023 Free Software Foundation, Inc. 4 5 This file is part of GDB. 6 7 This program is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 3 of the License, or 10 (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 19 20 #ifndef PYTHON_PY_REF_H 21 #define PYTHON_PY_REF_H 22 23 #include "gdbsupport/gdb_ref_ptr.h" 24 25 /* A policy class for gdb::ref_ptr for Python reference counting. */ 26 template<typename T> 27 struct gdbpy_ref_policy 28 { 29 static void incref (T *ptr) 30 { 31 Py_INCREF (ptr); 32 } 33 34 static void decref (T *ptr) 35 { 36 Py_DECREF (ptr); 37 } 38 }; 39 40 /* A gdb::ref_ptr that has been specialized for Python objects or 41 their "subclasses". */ 42 template<typename T = PyObject> using gdbpy_ref 43 = gdb::ref_ptr<T, gdbpy_ref_policy<T>>; 44 45 #endif /* PYTHON_PY_REF_H */ 46