diff options
Diffstat (limited to 'proofs/refiner.ml')
| -rw-r--r-- | proofs/refiner.ml | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/proofs/refiner.ml b/proofs/refiner.ml index 55f11d52..785e6dd4 100644 --- a/proofs/refiner.ml +++ b/proofs/refiner.ml @@ -6,7 +6,7 @@ (* * GNU Lesser General Public License Version 2.1 *) (************************************************************************) -(* $Id: refiner.ml,v 1.67.2.1 2004/07/16 19:30:49 herbelin Exp $ *) +(* $Id: refiner.ml,v 1.67.2.3 2005/11/04 08:59:30 herbelin Exp $ *) open Pp open Util @@ -188,12 +188,8 @@ let lookup_tactic s = (* refiner r is a tactic applying the rule r *) -let bad_subproof () = - anomalylabstrm "Refiner.refiner" (str"Bad subproof in validation.") - let check_subproof_connection gl spfl = - if not (list_for_all2eq (fun g pf -> g=pf.goal) gl spfl) - then (bad_subproof (); false) else true + list_for_all2eq (fun g pf -> g=pf.goal) gl spfl let abstract_tactic_expr te tacfun gls = let (sgl_sigma,v) = tacfun gls in @@ -778,9 +774,13 @@ let extract_pftreestate pts = (str"Cannot extract from a proof-tree in which we have descended;" ++ spc () ++ str"Please ascend to the root"); let pfterm,subgoals = extract_open_pftreestate pts in - if subgoals <> [] then + let exl = Evd.non_instantiated pts.tpfsigma in + if subgoals <> [] or exl <> [] then errorlabstrm "extract_proof" - (str "Attempt to save an incomplete proof"); + (if subgoals <> [] then + str "Attempt to save an incomplete proof" + else + str "Attempt to save a proof with existential variables still non-instantiated"); let env = Global.env_of_context pts.tpf.goal.evar_hyps in strong whd_betaiotaevar env pts.tpfsigma pfterm (*** |