cpython/Include/internal/pycore_abstract.h

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#ifndef Py_INTERNAL_ABSTRACT_H
#define Py_INTERNAL_ABSTRACT_H
#ifdef __cplusplus
extern "C" {
#endif
#ifndef Py_BUILD_CORE
# error "this header requires Py_BUILD_CORE define"
#endif
// Fast inlined version of PyIndex_Check()
static inline int
_PyIndex_Check(PyObject *obj)
{
PyNumberMethods *tp_as_number = Py_TYPE(obj)->tp_as_number;
return (tp_as_number != NULL && tp_as_number->nb_index != NULL);
}
PyObject *_PyNumber_PowerNoMod(PyObject *lhs, PyObject *rhs);
PyObject *_PyNumber_InPlacePowerNoMod(PyObject *lhs, PyObject *rhs);
extern int _PyObject_HasLen(PyObject *o);
/* === Sequence protocol ================================================ */
#define PY_ITERSEARCH_COUNT 1
#define PY_ITERSEARCH_INDEX 2
#define PY_ITERSEARCH_CONTAINS 3
/* Iterate over seq.
Result depends on the operation:
PY_ITERSEARCH_COUNT: return # of times obj appears in seq; -1 if
error.
PY_ITERSEARCH_INDEX: return 0-based index of first occurrence of
obj in seq; set ValueError and return -1 if none found;
also return -1 on error.
PY_ITERSEARCH_CONTAINS: return 1 if obj in seq, else 0; -1 on
error. */
extern Py_ssize_t _PySequence_IterSearch(PyObject *seq,
PyObject *obj, int operation);
/* === Mapping protocol ================================================= */
extern int _PyObject_RealIsInstance(PyObject *inst, PyObject *cls);
extern int _PyObject_RealIsSubclass(PyObject *derived, PyObject *cls);
// Convert Python int to Py_ssize_t. Do nothing if the argument is None.
// Export for '_bisect' shared extension.
PyAPI_FUNC(int) _Py_convert_optional_to_ssize_t(PyObject *, void *);
// Same as PyNumber_Index() but can return an instance of a subclass of int.
// Export for 'math' shared extension.
PyAPI_FUNC(PyObject*) _PyNumber_Index(PyObject *o);
#ifdef __cplusplus
}
#endif
#endif /* !Py_INTERNAL_ABSTRACT_H */