match grafite_status.proof_status with
| Incomplete_proof ({ stack = stack } as incomplete_proof) ->
sequents_viewer#load_sequents incomplete_proof;
- let goal =
- match script#goal with
- None -> assert false
- | Some n -> n
- in
(try
- script#setGoal (Continuationals.Stack.find_goal stack);
- sequents_viewer#goto_sequent goal
- with Failure _ -> script#setGoal ~-1);
+ script#setGoal (Some (Continuationals.Stack.find_goal stack));
+ let goal =
+ match script#goal with
+ None -> assert false
+ | Some n -> n
+ in
+ sequents_viewer#goto_sequent goal
+ with Failure _ -> script#setGoal None);
| Proof proof -> sequents_viewer#load_logo_with_qed
| No_proof -> sequents_viewer#load_logo
| Intermediate _ -> assert false (* only the engine may be in this state *)