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Make first raise argument optional

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Guido van Rossum 1998-04-09 21:39:57 +00:00
parent 926f13a081
commit d295f120ae
4 changed files with 26 additions and 9 deletions
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12
Python/ceval.c
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@ -1090,6 +1090,7 @@ eval_code2(co, globals, locals,
/* Fallthrough */
case 1:
w = POP(); /* exc */
case 0: /* Fallthrough */
why = do_raise(w, v, u);
break;
default:
@ -1967,6 +1968,17 @@ static enum why_code
do_raise(type, value, tb)
PyObject *type, *value, *tb;
{
if (type == NULL) {
/* Reraise */
PyThreadState *tstate = PyThreadState_Get();
type = tstate->exc_type == NULL ? Py_None : tstate->exc_type;
value = tstate->exc_value;
tb = tstate->exc_traceback;
Py_XINCREF(type);
Py_XINCREF(value);
Py_XINCREF(tb);
}
/* We support the following forms of raise:
raise <class>, <classinstance>
raise <class>, <argument tuple>