1.1 --- a/src/Pure/Isar/proof.ML Sun Jul 19 19:24:04 2009 +0200
1.2 +++ b/src/Pure/Isar/proof.ML Mon Jul 20 00:37:39 2009 +0200
1.3 @@ -1002,6 +1002,7 @@
1.4 val _ = assert_backward state;
1.5 val (goal_ctxt, (_, goal)) = find_goal state;
1.6 val {statement as (kind, propss, prop), messages, using, goal, before_qed, after_qed} = goal;
1.7 + val goal_txt = prop :: map Thm.term_of (Assumption.all_assms_of goal_ctxt);
1.8
1.9 val _ = is_relevant state andalso error "Cannot fork relevant proof";
1.10
1.11 @@ -1017,13 +1018,13 @@
1.12
1.13 val result_ctxt =
1.14 state
1.15 - |> map_contexts (Variable.declare_term prop)
1.16 + |> map_contexts (fold Variable.declare_term goal_txt)
1.17 |> map_goal I (K (statement', messages, using, goal', before_qed, after_qed'))
1.18 |> fork_proof;
1.19
1.20 val future_thm = result_ctxt |> Future.map (fn (_, x) =>
1.21 ProofContext.get_fact_single (get_context x) (Facts.named this_name));
1.22 - val finished_goal = exception_trace (fn () => Goal.future_result goal_ctxt future_thm prop');
1.23 + val finished_goal = Goal.future_result goal_ctxt future_thm prop';
1.24 val state' =
1.25 state
1.26 |> map_goal I (K (statement, messages, using, finished_goal, NONE, after_qed))
1.27 @@ -1045,7 +1046,7 @@
1.28 fun future_terminal_proof proof1 proof2 meths int state =
1.29 if int orelse is_relevant state orelse not (Goal.local_future_enabled ())
1.30 then proof1 meths state
1.31 - else snd (proof2 (fn state' => Future.fork_local ~1 (fn () => ((), proof1 meths state'))) state);
1.32 + else snd (proof2 (fn state' => Future.fork_pri ~1 (fn () => ((), proof1 meths state'))) state);
1.33
1.34 in
1.35