cpython/Python/crossinterp_exceptions.h

96 lines
3.0 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;
/* NotShareableError extends ValueError */
static int
_init_not_shareable_error_type(PyInterpreterState *interp)
{
const char *name = "interpreters.NotShareableError";
PyObject *base = PyExc_ValueError;
PyObject *ns = NULL;
PyObject *exctype = PyErr_NewException(name, base, ns);
if (exctype == NULL) {
return -1;
}
_PyInterpreterState_GetXIState(interp)->PyExc_NotShareableError = exctype;
return 0;
}
static void
_fini_not_shareable_error_type(PyInterpreterState *interp)
{
Py_CLEAR(_PyInterpreterState_GetXIState(interp)->PyExc_NotShareableError);
}
static PyObject *
_get_not_shareable_error_type(PyInterpreterState *interp)
{
assert(_PyInterpreterState_GetXIState(interp)->PyExc_NotShareableError != NULL);
return _PyInterpreterState_GetXIState(interp)->PyExc_NotShareableError;
}
/* lifecycle */
static int
init_exceptions(PyInterpreterState *interp)
{
PyTypeObject *base = (PyTypeObject *)PyExc_Exception;
// builtin static types
_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) {
return -1;
}
_PyExc_InterpreterNotFoundError.tp_traverse = base->tp_traverse;
_PyExc_InterpreterNotFoundError.tp_clear = base->tp_clear;
if (_PyStaticType_InitBuiltin(interp, &_PyExc_InterpreterNotFoundError) < 0) {
return -1;
}
// heap types
// We would call _init_not_shareable_error_type() here too,
// but that leads to ref leaks
return 0;
}
static void
fini_exceptions(PyInterpreterState *interp)
{
// Likewise with _fini_not_shareable_error_type().
_PyStaticType_FiniBuiltin(interp, &_PyExc_InterpreterNotFoundError);
_PyStaticType_FiniBuiltin(interp, &_PyExc_InterpreterError);
}