bpo-37151: remove _PyMethodDef_RawFastCall* functions (GH-14603)
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parent
8fbeb14312
commit
7b57c03a7c
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@ -95,20 +95,6 @@ typedef struct {
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PyObject *m_weakreflist; /* List of weak references */
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vectorcallfunc vectorcall;
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} PyCFunctionObject;
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PyAPI_FUNC(PyObject *) _PyMethodDef_RawFastCallDict(
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PyMethodDef *method,
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PyObject *self,
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PyObject *const *args,
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Py_ssize_t nargs,
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PyObject *kwargs);
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PyAPI_FUNC(PyObject *) _PyMethodDef_RawFastCallKeywords(
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PyMethodDef *method,
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PyObject *self,
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PyObject *const *args,
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Py_ssize_t nargs,
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PyObject *kwnames);
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#endif
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PyAPI_FUNC(int) PyCFunction_ClearFreeList(void);
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259
Objects/call.c
259
Objects/call.c
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@ -366,265 +366,6 @@ _PyFunction_Vectorcall(PyObject *func, PyObject* const* stack,
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/* --- PyCFunction call functions --------------------------------- */
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PyObject *
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_PyMethodDef_RawFastCallDict(PyMethodDef *method, PyObject *self,
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PyObject *const *args, Py_ssize_t nargs,
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PyObject *kwargs)
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{
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/* _PyMethodDef_RawFastCallDict() must not be called with an exception set,
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because it can clear it (directly or indirectly) and so the
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caller loses its exception */
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assert(!PyErr_Occurred());
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assert(method != NULL);
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assert(nargs >= 0);
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assert(nargs == 0 || args != NULL);
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assert(kwargs == NULL || PyDict_Check(kwargs));
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PyCFunction meth = method->ml_meth;
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int flags = method->ml_flags & ~(METH_CLASS | METH_STATIC | METH_COEXIST);
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PyObject *result = NULL;
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if (Py_EnterRecursiveCall(" while calling a Python object")) {
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return NULL;
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}
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switch (flags)
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{
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case METH_NOARGS:
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if (kwargs != NULL && PyDict_GET_SIZE(kwargs) != 0) {
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goto no_keyword_error;
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}
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if (nargs != 0) {
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PyErr_Format(PyExc_TypeError,
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"%.200s() takes no arguments (%zd given)",
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method->ml_name, nargs);
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goto exit;
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}
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result = (*meth) (self, NULL);
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break;
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case METH_O:
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if (kwargs != NULL && PyDict_GET_SIZE(kwargs) != 0) {
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goto no_keyword_error;
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}
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if (nargs != 1) {
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PyErr_Format(PyExc_TypeError,
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"%.200s() takes exactly one argument (%zd given)",
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method->ml_name, nargs);
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goto exit;
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}
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result = (*meth) (self, args[0]);
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break;
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case METH_VARARGS:
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if (kwargs != NULL && PyDict_GET_SIZE(kwargs) != 0) {
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goto no_keyword_error;
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}
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/* fall through */
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case METH_VARARGS | METH_KEYWORDS:
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{
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/* Slow-path: create a temporary tuple for positional arguments */
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PyObject *argstuple = _PyTuple_FromArray(args, nargs);
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if (argstuple == NULL) {
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goto exit;
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}
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if (flags & METH_KEYWORDS) {
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result = (*(PyCFunctionWithKeywords)(void(*)(void))meth) (self, argstuple, kwargs);
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}
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else {
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result = (*meth) (self, argstuple);
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}
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Py_DECREF(argstuple);
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break;
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}
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case METH_FASTCALL:
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{
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if (kwargs != NULL && PyDict_GET_SIZE(kwargs) != 0) {
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goto no_keyword_error;
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}
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result = (*(_PyCFunctionFast)(void(*)(void))meth) (self, args, nargs);
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break;
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}
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case METH_FASTCALL | METH_KEYWORDS:
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{
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_PyCFunctionFastWithKeywords fastmeth = (_PyCFunctionFastWithKeywords)(void(*)(void))meth;
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/* Fast path for no keywords */
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if (kwargs == NULL || PyDict_GET_SIZE(kwargs) == 0) {
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result = (*fastmeth) (self, args, nargs, NULL);
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break;
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}
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PyObject *const *stack;
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PyObject *kwnames;
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stack = _PyStack_UnpackDict(args, nargs, kwargs, &kwnames);
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if (stack == NULL) {
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goto exit;
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}
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result = (*fastmeth) (self, stack, nargs, kwnames);
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_PyStack_UnpackDict_Free(stack, nargs, kwnames);
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break;
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}
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default:
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PyErr_SetString(PyExc_SystemError,
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"Bad call flags in _PyMethodDef_RawFastCallDict. "
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"METH_OLDARGS is no longer supported!");
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goto exit;
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}
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goto exit;
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no_keyword_error:
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PyErr_Format(PyExc_TypeError,
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"%.200s() takes no keyword arguments",
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method->ml_name);
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exit:
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Py_LeaveRecursiveCall();
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return result;
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}
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PyObject *
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_PyMethodDef_RawFastCallKeywords(PyMethodDef *method, PyObject *self,
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PyObject *const *args, Py_ssize_t nargs,
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PyObject *kwnames)
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{
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/* _PyMethodDef_RawFastCallKeywords() must not be called with an exception set,
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because it can clear it (directly or indirectly) and so the
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caller loses its exception */
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assert(!PyErr_Occurred());
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assert(method != NULL);
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assert(nargs >= 0);
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assert(kwnames == NULL || PyTuple_CheckExact(kwnames));
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/* kwnames must only contains str strings, no subclass, and all keys must
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be unique */
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PyCFunction meth = method->ml_meth;
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int flags = method->ml_flags & ~(METH_CLASS | METH_STATIC | METH_COEXIST);
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Py_ssize_t nkwargs = kwnames == NULL ? 0 : PyTuple_GET_SIZE(kwnames);
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PyObject *result = NULL;
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if (Py_EnterRecursiveCall(" while calling a Python object")) {
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return NULL;
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}
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switch (flags)
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{
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case METH_NOARGS:
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if (nkwargs) {
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goto no_keyword_error;
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}
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if (nargs != 0) {
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PyErr_Format(PyExc_TypeError,
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"%.200s() takes no arguments (%zd given)",
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method->ml_name, nargs);
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goto exit;
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}
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result = (*meth) (self, NULL);
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break;
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case METH_O:
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if (nkwargs) {
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goto no_keyword_error;
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}
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if (nargs != 1) {
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PyErr_Format(PyExc_TypeError,
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"%.200s() takes exactly one argument (%zd given)",
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method->ml_name, nargs);
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goto exit;
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}
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result = (*meth) (self, args[0]);
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break;
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case METH_FASTCALL:
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if (nkwargs) {
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goto no_keyword_error;
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}
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result = ((_PyCFunctionFast)(void(*)(void))meth) (self, args, nargs);
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break;
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case METH_FASTCALL | METH_KEYWORDS:
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/* Fast-path: avoid temporary dict to pass keyword arguments */
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result = ((_PyCFunctionFastWithKeywords)(void(*)(void))meth) (self, args, nargs, kwnames);
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break;
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case METH_VARARGS:
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if (nkwargs) {
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goto no_keyword_error;
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}
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/* fall through */
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case METH_VARARGS | METH_KEYWORDS:
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{
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/* Slow-path: create a temporary tuple for positional arguments
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and a temporary dict for keyword arguments */
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PyObject *argtuple;
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argtuple = _PyTuple_FromArray(args, nargs);
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if (argtuple == NULL) {
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goto exit;
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}
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if (flags & METH_KEYWORDS) {
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PyObject *kwdict;
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if (nkwargs > 0) {
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kwdict = _PyStack_AsDict(args + nargs, kwnames);
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if (kwdict == NULL) {
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Py_DECREF(argtuple);
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goto exit;
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}
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}
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else {
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kwdict = NULL;
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}
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result = (*(PyCFunctionWithKeywords)(void(*)(void))meth) (self, argtuple, kwdict);
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Py_XDECREF(kwdict);
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}
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else {
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result = (*meth) (self, argtuple);
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}
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Py_DECREF(argtuple);
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break;
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}
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default:
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PyErr_SetString(PyExc_SystemError,
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"Bad call flags in _PyMethodDef_RawFastCallKeywords. "
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"METH_OLDARGS is no longer supported!");
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goto exit;
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}
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goto exit;
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no_keyword_error:
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PyErr_Format(PyExc_TypeError,
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"%.200s() takes no keyword arguments",
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method->ml_name);
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exit:
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Py_LeaveRecursiveCall();
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return result;
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}
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static PyObject *
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cfunction_call_varargs(PyObject *func, PyObject *args, PyObject *kwargs)
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{
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