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