static PyObject *__CyGenerator_Next(PyObject *self);
static PyObject *__CyGenerator_Send(PyObject *self, PyObject *value);
static PyObject *__CyGenerator_Close(PyObject *self);
+static PyObject *__CyGenerator_Throw(PyObject *gen, PyObject *args, CYTHON_UNUSED PyObject *kwds);
+
typedef PyObject *(*__cygenerator_body_t)(PyObject *, PyObject *);
""",
impl="""
}
return NULL;
}
+
+static PyObject *__CyGenerator_Throw(PyObject *self, PyObject *args, CYTHON_UNUSED PyObject *kwds)
+{
+ struct __CyGenerator *generator = (struct __CyGenerator *) self;
+ PyObject *typ;
+ PyObject *tb = NULL;
+ PyObject *val = NULL;
+
+ if (!PyArg_UnpackTuple(args, "throw", 1, 3, &typ, &val, &tb))
+ return NULL;
+
+ /* First, check the traceback argument, replacing None with
+ NULL. */
+ if (tb == Py_None)
+ tb = NULL;
+ else if (tb != NULL && !PyTraceBack_Check(tb)) {
+ PyErr_SetString(PyExc_TypeError,
+ "throw() third argument must be a traceback object");
+ return NULL;
+ }
+
+ Py_INCREF(typ);
+ Py_XINCREF(val);
+ Py_XINCREF(tb);
+
+ if (PyExceptionClass_Check(typ)) {
+ PyErr_NormalizeException(&typ, &val, &tb);
+ }
+
+ else if (PyExceptionInstance_Check(typ)) {
+ /* Raising an instance. The value should be a dummy. */
+ if (val && val != Py_None) {
+ PyErr_SetString(PyExc_TypeError,
+ "instance exception may not have a separate value");
+ goto failed_throw;
+ }
+ else {
+ /* Normalize to raise <class>, <instance> */
+ Py_XDECREF(val);
+ val = typ;
+ typ = PyExceptionInstance_Class(typ);
+ Py_INCREF(typ);
+ }
+ }
+ else {
+ /* Not something you can raise. throw() fails. */
+ PyErr_Format(PyExc_TypeError,
+ "exceptions must be classes, or instances, not %s",
+ typ->ob_type->tp_name);
+ goto failed_throw;
+ }
+
+ PyErr_Restore(typ, val, tb);
+ return __CyGenerator_SendEx(generator, NULL);
+
+failed_throw:
+ /* Didn't use our arguments, so restore their original refcounts */
+ Py_DECREF(typ);
+ Py_XDECREF(val);
+ Py_XDECREF(tb);
+ return NULL;
+}
""", proto_block='utility_code_proto_before_types')
e.func_cname = '__CyGenerator_Close'
e.signature = TypeSlots.unaryfunc
- #e = klass.declare_pyfunction('throw', pos)
- #e.func_cname = '__CyGenerator_Throw'
+ e = klass.declare_pyfunction('throw', pos)
+ e.func_cname = '__CyGenerator_Throw'
+ e.signature = TypeSlots.pyfunction_signature
e = klass.declare_var('__iter__', PyrexTypes.py_object_type, pos, visibility='public')
e.func_cname = 'PyObject_SelfIter'