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-rw-r--r--tactics/tacinterp.ml22
1 files changed, 17 insertions, 5 deletions
diff --git a/tactics/tacinterp.ml b/tactics/tacinterp.ml
index a34873166..d926684b3 100644
--- a/tactics/tacinterp.ml
+++ b/tactics/tacinterp.ml
@@ -542,7 +542,9 @@ let intern_induction_arg ist = function
| ElimOnIdent (loc,id) ->
if !strict_check then
(* If in a defined tactic, no intros-until *)
- ElimOnConstr (intern_constr ist (CRef (Ident (dloc,id))),NoBindings)
+ match intern_constr ist (CRef (Ident (dloc,id))) with
+ | RVar (loc,id),_ -> ElimOnIdent (loc,id)
+ | c -> ElimOnConstr (c,NoBindings)
else
ElimOnIdent (loc,id)
@@ -1722,10 +1724,20 @@ let interp_induction_arg ist gl = function
| ElimOnConstr c -> ElimOnConstr (interp_constr_with_bindings ist gl c)
| ElimOnAnonHyp n as x -> x
| ElimOnIdent (loc,id) ->
- if Tactics.is_quantified_hypothesis id gl then ElimOnIdent (loc,id)
- else ElimOnConstr
- (pf_interp_constr ist gl (RVar (loc,id),Some (CRef (Ident (loc,id)))),
- NoBindings)
+ try
+ match List.assoc id ist.lfun with
+ | VInteger n -> ElimOnAnonHyp n
+ | VIntroPattern (IntroIdentifier id) -> ElimOnIdent (loc,id)
+ | VConstr c -> ElimOnConstr (c,NoBindings)
+ | _ -> user_err_loc (loc,"",
+ strbrk "Cannot coerce " ++ pr_id id ++
+ strbrk " neither to a quantified hypothesis nor to a term.")
+ with Not_found ->
+ (* Interactive mode *)
+ if Tactics.is_quantified_hypothesis id gl then ElimOnIdent (loc,id)
+ else ElimOnConstr
+ (pf_interp_constr ist gl (RVar (loc,id),Some (CRef (Ident (loc,id)))),
+ NoBindings)
let mk_constr_value ist gl c = VConstr (pf_interp_constr ist gl c)
let mk_hyp_value ist gl c = VConstr (mkVar (interp_hyp ist gl c))