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Patch #427190: Implement and use METH_NOARGS and METH_O.

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This commit is contained in:
Martin v. Löwis 2001-08-16 13:15:00 +00:00
parent c35422109b
commit e3eb1f2b23
17 changed files with 429 additions and 551 deletions
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71
Python/ceval.c
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@ -166,13 +166,10 @@ gen_iternext(genobject *gen)
}
static PyObject *
gen_next(genobject *gen, PyObject *args)
gen_next(genobject *gen)
{
PyObject *result;
if (!PyArg_ParseTuple(args, ":next"))
return NULL;
result = gen_iternext(gen);
if (result == NULL && !PyErr_Occurred()) {
@ -191,7 +188,7 @@ gen_getiter(PyObject *gen)
}
static struct PyMethodDef gen_methods[] = {
{"next", (PyCFunction)gen_next, METH_VARARGS,
{"next", (PyCFunction)gen_next, METH_NOARGS,
"next() -- get the next value, or raise StopIteration"},
{NULL, NULL} /* Sentinel */
};
@ -1938,7 +1935,7 @@ eval_frame(PyFrameObject *f)
*/
if (PyCFunction_Check(func)) {
int flags = PyCFunction_GET_FLAGS(func);
if (flags > 1 || nk != 0)
if (nk != 0 || (flags & METH_KEYWORDS))
x = do_call(func, &stack_pointer,
na, nk);
else if (flags == METH_VARARGS) {
@ -1946,9 +1943,9 @@ eval_frame(PyFrameObject *f)
callargs = load_args(&stack_pointer, na);
x = PyCFunction_Call(func, callargs, NULL);
Py_XDECREF(callargs);
} else if (!(flags & METH_KEYWORDS))
x = fast_cfunction(func,
&stack_pointer, na);
} else
x = fast_cfunction(func,
&stack_pointer, na);
} else {
if (PyMethod_Check(func)
&& PyMethod_GET_SELF(func) != NULL) {
@ -3046,20 +3043,50 @@ fast_cfunction(PyObject *func, PyObject ***pp_stack, int na)
{
PyCFunction meth = PyCFunction_GET_FUNCTION(func);
PyObject *self = PyCFunction_GET_SELF(func);
int flags = PyCFunction_GET_FLAGS(func);
if (na == 0)
return (*meth)(self, NULL);
else if (na == 1) {
PyObject *arg = EXT_POP(*pp_stack);
PyObject *result = (*meth)(self, arg);
Py_DECREF(arg);
return result;
} else {
PyObject *args = load_args(pp_stack, na);
PyObject *result = (*meth)(self, args);
Py_DECREF(args);
return result;
}
switch (flags) {
case METH_OLDARGS:
if (na == 0)
return (*meth)(self, NULL);
else if (na == 1) {
PyObject *arg = EXT_POP(*pp_stack);
PyObject *result = (*meth)(self, arg);
Py_DECREF(arg);
return result;
} else {
PyObject *args = load_args(pp_stack, na);
PyObject *result = (*meth)(self, args);
Py_DECREF(args);
return result;
}
break;
case METH_NOARGS:
if (na == 0)
return (*meth)(self, NULL);
PyErr_Format(PyExc_TypeError,
"%.200s() takes no arguments (%d given)",
((PyCFunctionObject*)func)->m_ml->ml_name, na);
return NULL;
break;
case METH_O:
if (na == 1) {
PyObject *arg = EXT_POP(*pp_stack);
PyObject *result = (*meth)(self, arg);
Py_DECREF(arg);
return result;
}
PyErr_Format(PyExc_TypeError,
"%.200s() takes exactly one argument (%d given)",
((PyCFunctionObject*)func)->m_ml->ml_name, na);
return NULL;
break;
default:
fprintf(stderr, "%.200s() flags = %d\n",
((PyCFunctionObject*)func)->m_ml->ml_name, flags);
PyErr_BadInternalCall();
return NULL;
}
}
static PyObject *