mirror of https://github.com/swig/swig
133 lines
3.2 KiB
Plaintext
133 lines
3.2 KiB
Plaintext
/* Compatibility marcos for Python 3 */
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#if PY_VERSION_HEX >= 0x03000000
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#define PyClass_Check(obj) PyObject_IsInstance(obj, (PyObject *)&PyType_Type)
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#define PyInt_Check(x) PyLong_Check(x)
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#define PyInt_AsLong(x) PyLong_AsLong(x)
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#define PyInt_FromLong(x) PyLong_FromLong(x)
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#define PyString_Format(fmt, args) PyUnicode_Format(fmt, args)
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#endif
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#ifndef Py_TYPE
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# define Py_TYPE(op) ((op)->ob_type)
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#endif
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/* SWIG APIs for compatibility of boht Python 2 & 3 */
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#if PY_VERSION_HEX >= 0x03000000
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# define SWIG_Python_str_FromFormat PyUnicode_FromFormat
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#else
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# define SWIG_Python_str_FromFormat PyString_FromFormat
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#endif
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SWIGINTERN char*
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SWIG_Python_str_AsChar(PyObject *str)
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{
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#if PY_VERSION_HEX >= 0x03000000
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str = PyUnicode_AsUTF8String(str);
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return PyBytes_AsString(str);
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#else
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return PyString_AsString(str);
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#endif
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}
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SWIGINTERN PyObject*
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SWIG_Python_str_FromChar(const char *c)
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{
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#if PY_VERSION_HEX >= 0x03000000
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return PyUnicode_FromString(c);
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#else
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return PyString_FromString(c);
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#endif
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}
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/* Add PyOS_snprintf for old Pythons */
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#if PY_VERSION_HEX < 0x02020000
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# if defined(_MSC_VER) || defined(__BORLANDC__) || defined(_WATCOM)
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# define PyOS_snprintf _snprintf
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# else
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# define PyOS_snprintf snprintf
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# endif
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#endif
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/* A crude PyString_FromFormat implementation for old Pythons */
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#if PY_VERSION_HEX < 0x02020000
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#ifndef SWIG_PYBUFFER_SIZE
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# define SWIG_PYBUFFER_SIZE 1024
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#endif
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static PyObject *
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PyString_FromFormat(const char *fmt, ...) {
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va_list ap;
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char buf[SWIG_PYBUFFER_SIZE * 2];
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int res;
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va_start(ap, fmt);
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res = vsnprintf(buf, sizeof(buf), fmt, ap);
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va_end(ap);
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return (res < 0 || res >= (int)sizeof(buf)) ? 0 : PyString_FromString(buf);
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}
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#endif
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/* Add PyObject_Del for old Pythons */
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#if PY_VERSION_HEX < 0x01060000
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# define PyObject_Del(op) PyMem_DEL((op))
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#endif
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#ifndef PyObject_DEL
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# define PyObject_DEL PyObject_Del
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#endif
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/* A crude PyExc_StopIteration exception for old Pythons */
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#if PY_VERSION_HEX < 0x02020000
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# ifndef PyExc_StopIteration
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# define PyExc_StopIteration PyExc_RuntimeError
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# endif
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# ifndef PyObject_GenericGetAttr
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# define PyObject_GenericGetAttr 0
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# endif
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#endif
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/* Py_NotImplemented is defined in 2.1 and up. */
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#if PY_VERSION_HEX < 0x02010000
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# ifndef Py_NotImplemented
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# define Py_NotImplemented PyExc_RuntimeError
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# endif
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#endif
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/* A crude PyString_AsStringAndSize implementation for old Pythons */
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#if PY_VERSION_HEX < 0x02010000
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# ifndef PyString_AsStringAndSize
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# define PyString_AsStringAndSize(obj, s, len) {*s = PyString_AsString(obj); *len = *s ? strlen(*s) : 0;}
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# endif
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#endif
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/* PySequence_Size for old Pythons */
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#if PY_VERSION_HEX < 0x02000000
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# ifndef PySequence_Size
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# define PySequence_Size PySequence_Length
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# endif
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#endif
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/* PyBool_FromLong for old Pythons */
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#if PY_VERSION_HEX < 0x02030000
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static
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PyObject *PyBool_FromLong(long ok)
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{
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PyObject *result = ok ? Py_True : Py_False;
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Py_INCREF(result);
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return result;
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}
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#endif
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/* Py_ssize_t for old Pythons */
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/* This code is as recommended by: */
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/* http://www.python.org/dev/peps/pep-0353/#conversion-guidelines */
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#if PY_VERSION_HEX < 0x02050000 && !defined(PY_SSIZE_T_MIN)
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typedef int Py_ssize_t;
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# define PY_SSIZE_T_MAX INT_MAX
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# define PY_SSIZE_T_MIN INT_MIN
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#endif
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