diff options
Diffstat (limited to 'Include')
| -rw-r--r-- | Include/frameobject.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Include/frameobject.h b/Include/frameobject.h index 1e3a01e..cce598b 100644 --- a/Include/frameobject.h +++ b/Include/frameobject.h @@ -26,7 +26,16 @@ typedef struct _frame { to the current stack top. */ PyObject **f_stacktop; PyObject *f_trace; /* Trace function */ + + /* If an exception is raised in this frame, the next three are used to + * record the exception info (if any) originally in the thread state. See + * comments before set_exc_info() -- it's not obvious. + * Invariant: if _type is NULL, then so are _value and _traceback. + * Desired invariant: all three are NULL, or all three are non-NULL. That + * one isn't currently true, but "should be". + */ PyObject *f_exc_type, *f_exc_value, *f_exc_traceback; + PyThreadState *f_tstate; int f_lasti; /* Last instruction if called */ /* As of 2.3 f_lineno is only valid when tracing is active (i.e. when |