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/*
* Copyright 2006 - 2014
* Andr\xe9 Malo or his licensors, as applicable
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* central naming stuff
*/
#ifndef SETUP_CEXT_H
#define SETUP_CEXT_H
#ifndef EXT_MODULE
#error EXT_MODULE must be defined outside of this file (-DEXT_MODULE=...)
#endif
/*
* include core header files
*/
#define PY_SSIZE_T_CLEAN
#include "Python.h"
#include "structmember.h"
/*
* define our helper macros depending on the stuff above
*/
#define STRINGIFY(n) STRINGIFY_HELPER(n)
#define STRINGIFY_HELPER(n) #n
#define CONCATENATE(first, second) CONCATENATE_HELPER(first, second)
#define CONCATENATE_HELPER(first, second) first##second
#define EXT_MODULE_NAME STRINGIFY(EXT_MODULE)
#ifdef EXT_PACKAGE
#define EXT_PACKAGE_NAME STRINGIFY(EXT_PACKAGE)
#define EXT_MODULE_PATH EXT_PACKAGE_NAME "." EXT_MODULE_NAME
#else
#define EXT_PACKAGE_NAME ""
#define EXT_MODULE_PATH EXT_MODULE_NAME
#endif
#define EXT_DOCS_VAR CONCATENATE(var, CONCATENATE(EXT_MODULE, __doc__))
#define EXT_METHODS_VAR CONCATENATE(var, CONCATENATE(EXT_MODULE, _methods))
#define EXT_METHODS static PyMethodDef EXT_METHODS_VAR[]
#define EXT_DEFINE_VAR CONCATENATE(var, CONCATENATE(EXT_MODULE, _module))
/* Py3K Support */
#if PY_MAJOR_VERSION >= 3
#define EXT3
#ifndef PyMODINIT_FUNC
#define EXT_INIT_FUNC PyObject *CONCATENATE(PyInit_, EXT_MODULE)(void)
#else
#define EXT_INIT_FUNC PyMODINIT_FUNC CONCATENATE(PyInit_, EXT_MODULE)(void)
#endif
#define EXT_DEFINE(name, methods, doc) \
static struct PyModuleDef EXT_DEFINE_VAR = { \
PyModuleDef_HEAD_INIT, \
name, \
doc, \
-1, \
methods, \
NULL, \
NULL, \
NULL, \
NULL \
}
#define EXT_CREATE(def) (PyModule_Create(def))
#define EXT_INIT_ERROR(module) do {Py_XDECREF(module); return NULL;} while(0)
#define EXT_INIT_RETURN(module) return module
#else /* end py3k */
#define EXT2
#ifndef PyMODINIT_FUNC
#define EXT_INIT_FUNC void CONCATENATE(init, EXT_MODULE)(void)
#else
#define EXT_INIT_FUNC PyMODINIT_FUNC CONCATENATE(init, EXT_MODULE)(void)
#endif
#define EXT_DEFINE__STRUCT \
CONCATENATE(struct, CONCATENATE(EXT_MODULE, _module))
struct EXT_DEFINE__STRUCT {
char *m_name;
char *m_doc;
PyMethodDef *m_methods;
};
#define EXT_DEFINE(name, methods, doc) \
static struct EXT_DEFINE__STRUCT EXT_DEFINE_VAR = { \
name, \
doc, \
methods \
}
#define EXT_CREATE(def) ((def)->m_doc \
? Py_InitModule3((def)->m_name, (def)->m_methods, (def)->m_doc) \
: Py_InitModule((def)->m_name, (def)->m_methods) \
)
#define EXT_INIT_ERROR(module) return
#define EXT_INIT_RETURN(module) return
#endif /* end py2K */
#define EXT_INIT_TYPE(module, type) do { \
if (PyType_Ready(type) < 0) \
EXT_INIT_ERROR(module); \
} while (0)
#define EXT_ADD_TYPE(module, name, type) do { \
Py_INCREF(type); \
if (PyModule_AddObject(module, name, (PyObject *)(type)) < 0) \
EXT_INIT_ERROR(module); \
} while (0)
#define EXT_ADD_UNICODE(module, name, string, encoding) do { \
if (PyModule_AddObject( \
module, \
name, \
PyUnicode_Decode( \
string, \
sizeof(string) - 1, \
encoding, \
"strict" \
)) < 0) \
EXT_INIT_ERROR(module); \
} while (0)
#define EXT_ADD_STRING(module, name, string) do { \
if (PyModule_AddStringConstant(module, name, string) < 0) \
EXT_INIT_ERROR(module); \
} while (0)
#define EXT_ADD_INT(module, name, number) do { \
if (PyModule_AddIntConstant(module, name, number) < 0) \
EXT_INIT_ERROR(module); \
} while (0)
/* PEP 353 support, implemented as of python 2.5 */
#if PY_VERSION_HEX < 0x02050000
typedef int Py_ssize_t;
#define PyInt_FromSsize_t(arg) PyInt_FromLong((long)arg)
#define PyInt_AsSsize_t(arg) (int)PyInt_AsLong(arg)
#define PY_SSIZE_T_MAX ((Py_ssize_t)INT_MAX)
#endif
/*
* some helper macros (Python 2.4)
*/
#ifndef Py_VISIT
#define Py_VISIT(op) do { \
if (op) { \
int vret = visit((op), arg); \
if (vret) return vret; \
} \
} while (0)
#endif
#ifdef Py_CLEAR
#undef Py_CLEAR
#endif
#define Py_CLEAR(op) do { \
if (op) { \
PyObject *tmp__ = (PyObject *)(op); \
(op) = NULL; \
Py_DECREF(tmp__); \
} \
} while (0)
#ifndef Py_RETURN_NONE
#define Py_RETURN_NONE return Py_INCREF(Py_None), Py_None
#endif
#ifndef Py_RETURN_FALSE
#define Py_RETURN_FALSE return Py_INCREF(Py_False), Py_False
#endif
#ifndef Py_RETURN_TRUE
#define Py_RETURN_TRUE return Py_INCREF(Py_True), Py_True
#endif
/* Macros for inline documentation. (Python 2.3) */
#ifndef PyDoc_VAR
#define PyDoc_VAR(name) static char name[]
#endif
#ifndef PyDoc_STRVAR
#define PyDoc_STRVAR(name,str) PyDoc_VAR(name) = PyDoc_STR(str)
#endif
#ifndef PyDoc_STR
#ifdef WITH_DOC_STRINGS
#define PyDoc_STR(str) str
#else
#define PyDoc_STR(str) ""
#endif
#endif
/* Basestring check (basestring introduced in Python 2.3) */
#if PY_VERSION_HEX < 0x02030000
#define BaseString_Check(type) ( \
PyObject_TypeCheck((type), &PyString_Type) \
|| PyObject_TypeCheck((type), &PyUnicode_Type) \
)
#else
#define BaseString_Check(type) PyObject_TypeCheck((type), &PyBaseString_Type)
#endif
#define GENERIC_ALLOC(type) \
((void *)((PyTypeObject *)type)->tp_alloc(type, (Py_ssize_t)0))
/* PyPy doesn't define it */
#ifndef PyType_IS_GC
#define PyType_IS_GC(t) PyType_HasFeature((t), Py_TPFLAGS_HAVE_GC)
#endif
#define DEFINE_GENERIC_DEALLOC(prefix) \
static void prefix##_dealloc(void *self) \
{ \
if (PyType_IS_GC(((PyObject *)self)->ob_type)) \
PyObject_GC_UnTrack(self); \
(void)prefix##_clear(self); \
((PyObject *)self)->ob_type->tp_free((PyObject *)self); \
}
#endif /* SETUP_CEXT_H */
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