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#ifndef Py_CPYTHON_ABSTRACTOBJECT_H
# error "this header file must not be included directly"
#endif
/* === Object Protocol ================================================== */
/* Like PyObject_CallMethod(), but expect a _Py_Identifier*
as the method name. */
PyAPI_FUNC(PyObject*) _PyObject_CallMethodId(
PyObject *obj,
_Py_Identifier *name,
const char *format, ...);
/* Convert keyword arguments from the FASTCALL (stack: C array, kwnames: tuple)
format to a Python dictionary ("kwargs" dict).
The type of kwnames keys is not checked. The final function getting
arguments is responsible to check if all keys are strings, for example using
PyArg_ParseTupleAndKeywords() or PyArg_ValidateKeywordArguments().
Duplicate keys are merged using the last value. If duplicate keys must raise
an exception, the caller is responsible to implement an explicit keys on
kwnames. */
PyAPI_FUNC(PyObject*) _PyStack_AsDict(PyObject *const *values, PyObject *kwnames);
/* === Vectorcall protocol (PEP 590) ============================= */
// PyVectorcall_NARGS() is exported as a function for the stable ABI.
// Here (when we are not using the stable ABI), the name is overridden to
// call a static inline function for best performance.
static inline Py_ssize_t
_PyVectorcall_NARGS(size_t n)
{
return n & ~PY_VECTORCALL_ARGUMENTS_OFFSET;
}
#define PyVectorcall_NARGS(n) _PyVectorcall_NARGS(n)
PyAPI_FUNC(vectorcallfunc) PyVectorcall_Function(PyObject *callable);
// Backwards compatibility aliases (PEP 590) for API that was provisional
// in Python 3.8
#define _PyObject_Vectorcall PyObject_Vectorcall
#define _PyObject_VectorcallMethod PyObject_VectorcallMethod
#define _PyObject_FastCallDict PyObject_VectorcallDict
#define _PyVectorcall_Function PyVectorcall_Function
#define _PyObject_CallOneArg PyObject_CallOneArg
#define _PyObject_CallMethodNoArgs PyObject_CallMethodNoArgs
#define _PyObject_CallMethodOneArg PyObject_CallMethodOneArg
/* Same as PyObject_Vectorcall except that keyword arguments are passed as
dict, which may be NULL if there are no keyword arguments. */
PyAPI_FUNC(PyObject *) PyObject_VectorcallDict(
PyObject *callable,
PyObject *const *args,
size_t nargsf,
PyObject *kwargs);
PyAPI_FUNC(PyObject *) PyObject_CallOneArg(PyObject *func, PyObject *arg);
static inline PyObject *
PyObject_CallMethodNoArgs(PyObject *self, PyObject *name)
{
size_t nargsf = 1 | PY_VECTORCALL_ARGUMENTS_OFFSET;
return PyObject_VectorcallMethod(name, &self, nargsf, _Py_NULL);
}
static inline PyObject *
PyObject_CallMethodOneArg(PyObject *self, PyObject *name, PyObject *arg)
{
PyObject *args[2] = {self, arg};
size_t nargsf = 2 | PY_VECTORCALL_ARGUMENTS_OFFSET;
assert(arg != NULL);
return PyObject_VectorcallMethod(name, args, nargsf, _Py_NULL);
}
/* Guess the size of object 'o' using len(o) or o.__length_hint__().
If neither of those return a non-negative value, then return the default
value. If one of the calls fails, this function returns -1. */
PyAPI_FUNC(Py_ssize_t) PyObject_LengthHint(PyObject *o, Py_ssize_t);
/* === Sequence protocol ================================================ */
/* Assume tp_as_sequence and sq_item exist and that 'i' does not
need to be corrected for a negative index. */
#define PySequence_ITEM(o, i)\
( Py_TYPE(o)->tp_as_sequence->sq_item((o), (i)) )
/* Return the size of the sequence 'o', assuming that 'o' was returned by
PySequence_Fast and is not NULL. */
#define PySequence_Fast_GET_SIZE(o) \
(PyList_Check(o) ? PyList_GET_SIZE(o) : PyTuple_GET_SIZE(o))
/* Return the 'i'-th element of the sequence 'o', assuming that o was returned
by PySequence_Fast, and that i is within bounds. */
#define PySequence_Fast_GET_ITEM(o, i)\
(PyList_Check(o) ? PyList_GET_ITEM((o), (i)) : PyTuple_GET_ITEM((o), (i)))
/* Return a pointer to the underlying item array for
an object returned by PySequence_Fast */
#define PySequence_Fast_ITEMS(sf) \
(PyList_Check(sf) ? ((PyListObject *)(sf))->ob_item \
: ((PyTupleObject *)(sf))->ob_item)
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