binutils-gdb/gdb/python/py-ref.h

46 lines
1.3 KiB
C++

/* Python reference-holding class
Copyright (C) 2016-2017 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef GDB_PYTHON_REF_H
#define GDB_PYTHON_REF_H
#include "common/gdb_ref_ptr.h"
/* A policy class for gdb::ref_ptr for Python reference counting. */
template<typename T>
struct gdbpy_ref_policy
{
static void incref (T *ptr)
{
Py_INCREF (ptr);
}
static void decref (T *ptr)
{
Py_DECREF (ptr);
}
};
/* A gdb::ref_ptr that has been specialized for Python objects or
their "subclasses". */
template<typename T = PyObject> using gdbpy_ref
= gdb::ref_ptr<T, gdbpy_ref_policy<T>>;
#endif /* GDB_PYTHON_REF_H */