cpython/Python/crossinterp_exceptions.h

103 lines
3.2 KiB
C

/* InterpreterError extends Exception */
static PyTypeObject _PyExc_InterpreterError = {
PyVarObject_HEAD_INIT(NULL, 0)
.tp_name = "interpreters.InterpreterError",
.tp_doc = PyDoc_STR("A cross-interpreter operation failed"),
.tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC,
//.tp_traverse = ((PyTypeObject *)PyExc_Exception)->tp_traverse,
//.tp_clear = ((PyTypeObject *)PyExc_Exception)->tp_clear,
//.tp_base = (PyTypeObject *)PyExc_Exception,
};
PyObject *PyExc_InterpreterError = (PyObject *)&_PyExc_InterpreterError;
/* InterpreterNotFoundError extends InterpreterError */
static PyTypeObject _PyExc_InterpreterNotFoundError = {
PyVarObject_HEAD_INIT(NULL, 0)
.tp_name = "interpreters.InterpreterNotFoundError",
.tp_doc = PyDoc_STR("An interpreter was not found"),
.tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC,
//.tp_traverse = ((PyTypeObject *)PyExc_Exception)->tp_traverse,
//.tp_clear = ((PyTypeObject *)PyExc_Exception)->tp_clear,
.tp_base = &_PyExc_InterpreterError,
};
PyObject *PyExc_InterpreterNotFoundError = (PyObject *)&_PyExc_InterpreterNotFoundError;
/* lifecycle */
static int
init_static_exctypes(exceptions_t *state, PyInterpreterState *interp)
{
assert(state == &_PyXI_GET_STATE(interp)->exceptions);
PyTypeObject *base = (PyTypeObject *)PyExc_Exception;
// PyExc_InterpreterError
_PyExc_InterpreterError.tp_base = base;
_PyExc_InterpreterError.tp_traverse = base->tp_traverse;
_PyExc_InterpreterError.tp_clear = base->tp_clear;
if (_PyStaticType_InitBuiltin(interp, &_PyExc_InterpreterError) < 0) {
goto error;
}
state->PyExc_InterpreterError = (PyObject *)&_PyExc_InterpreterError;
// PyExc_InterpreterNotFoundError
_PyExc_InterpreterNotFoundError.tp_traverse = base->tp_traverse;
_PyExc_InterpreterNotFoundError.tp_clear = base->tp_clear;
if (_PyStaticType_InitBuiltin(interp, &_PyExc_InterpreterNotFoundError) < 0) {
goto error;
}
state->PyExc_InterpreterNotFoundError =
(PyObject *)&_PyExc_InterpreterNotFoundError;
return 0;
error:
fini_static_exctypes(state, interp);
return -1;
}
static void
fini_static_exctypes(exceptions_t *state, PyInterpreterState *interp)
{
assert(state == &_PyXI_GET_STATE(interp)->exceptions);
if (state->PyExc_InterpreterNotFoundError != NULL) {
state->PyExc_InterpreterNotFoundError = NULL;
_PyStaticType_FiniBuiltin(interp, &_PyExc_InterpreterNotFoundError);
}
if (state->PyExc_InterpreterError != NULL) {
state->PyExc_InterpreterError = NULL;
_PyStaticType_FiniBuiltin(interp, &_PyExc_InterpreterError);
}
}
static int
init_heap_exctypes(exceptions_t *state)
{
PyObject *exctype;
/* NotShareableError extends ValueError */
const char *name = "interpreters.NotShareableError";
PyObject *base = PyExc_ValueError;
PyObject *ns = NULL;
exctype = PyErr_NewException(name, base, ns);
if (exctype == NULL) {
goto error;
}
state->PyExc_NotShareableError = exctype;
return 0;
error:
fini_heap_exctypes(state);
return -1;
}
static void
fini_heap_exctypes(exceptions_t *state)
{
Py_CLEAR(state->PyExc_NotShareableError);
}