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Avoid inefficient way to call functions without argument

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Don't pass "()" format to PyObject_CallXXX() to call a function without
argument: pass NULL as the format string instead. It avoids to have to parse a
string to produce 0 argument.
This commit is contained in:
Victor Stinner 2016-09-05 17:53:15 -07:00
parent ca08301ae0
commit ad8c83ad6b
5 changed files with 11 additions and 11 deletions
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8
Objects/typeobject.c
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@ -5758,7 +5758,7 @@ static PyObject * \
FUNCNAME(PyObject *self) \
{ \
_Py_static_string(id, OPSTR); \
return call_method(self, &id, "()"); \
return call_method(self, &id, NULL); \
}
#define SLOT1(FUNCNAME, OPSTR, ARG1TYPE, ARGCODES) \
@ -5851,7 +5851,7 @@ FUNCNAME(PyObject *self, ARG1TYPE arg1, ARG2TYPE arg2) \
static Py_ssize_t
slot_sq_length(PyObject *self)
{
PyObject *res = call_method(self, &PyId___len__, "()");
PyObject *res = call_method(self, &PyId___len__, NULL);
Py_ssize_t len;
if (res == NULL)
@ -6065,7 +6065,7 @@ static PyObject *
slot_nb_index(PyObject *self)
{
_Py_IDENTIFIER(__index__);
return call_method(self, &PyId___index__, "()");
return call_method(self, &PyId___index__, NULL);
}
@ -6351,7 +6351,7 @@ static PyObject *
slot_tp_iternext(PyObject *self)
{
_Py_IDENTIFIER(__next__);
return call_method(self, &PyId___next__, "()");
return call_method(self, &PyId___next__, NULL);
}
static PyObject *