Campbell Barton
bf0c8e116d
This appends while giving ownership to the list, avoiding temp assignment. This matches PyList_SET_ITEM which bypasses refcount's Note, this also reduce code-size, Py_DECREF is a rather heavy macro.
61 lines
1.9 KiB
C++
61 lines
1.9 KiB
C++
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file blender/python/generic/python_utildefines.h
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* \ingroup pygen
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* \brief header-only utilities
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* \note light addition to Python.h, use py_capi_utils.h for larger features.
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*/
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#ifndef __PYTHON_UTILDEFINES_H__
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#define __PYTHON_UTILDEFINES_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define PyTuple_SET_ITEMS(op_arg, ...) \
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{ \
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PyTupleObject *op = (PyTupleObject *)op_arg; \
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PyObject **ob_items = op->ob_item; \
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CHECK_TYPE_ANY(op_arg, PyObject *, PyTupleObject *); \
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BLI_assert(_VA_NARGS_COUNT(__VA_ARGS__) == PyTuple_GET_SIZE(op)); \
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ARRAY_SET_ITEMS(ob_items, __VA_ARGS__); \
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} (void)0
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/* wrap Py_INCREF & return the result,
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* use sparingly to avoid comma operator or temp var assignment */
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BLI_INLINE PyObject *Py_INCREF_RET(PyObject *op) { Py_INCREF(op); return op; }
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/* append & transfer ownership to the list, avoids inline Py_DECREF all over (which is quite a large macro) */
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BLI_INLINE int PyList_APPEND(PyObject *op, PyObject *v)
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{
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int ret = PyList_Append(op, v);
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Py_DecRef(v);
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return ret;
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* __PYTHON_UTILDEFINES_H__ */
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