diff options
Diffstat (limited to 'plugins/firstorder/instances.ml')
| -rw-r--r-- | plugins/firstorder/instances.ml | 32 |
1 files changed, 13 insertions, 19 deletions
diff --git a/plugins/firstorder/instances.ml b/plugins/firstorder/instances.ml index a88778c7..5912f0a0 100644 --- a/plugins/firstorder/instances.ml +++ b/plugins/firstorder/instances.ml @@ -113,24 +113,14 @@ let mk_open_instance id idc gl m t= Name id -> id | Anonymous -> dummy_bvid in let revt=substl (List.init m (fun i->mkRel (m-i))) t in - let rec aux n avoid= - if Int.equal n 0 then [] else + let rec aux n avoid env evmap decls = + if Int.equal n 0 then evmap, decls else let nid=(fresh_id avoid var_id gl) in - (Name nid,None,dummy_constr)::(aux (n-1) (nid::avoid)) in - let nt=it_mkLambda_or_LetIn revt (aux m []) in - let rawt=Detyping.detype false [] env evmap nt in - let rec raux n t= - if Int.equal n 0 then t else - match t with - GLambda(loc,name,k,_,t0)-> - let t1=raux (n-1) t0 in - GLambda(loc,name,k,GHole (Loc.ghost,Evar_kinds.BinderType name,Misctypes.IntroAnonymous,None),t1) - | _-> anomaly (Pp.str "can't happen") in - let ntt=try - fst (Pretyping.understand env evmap (raux m rawt))(*FIXME*) - with e when Errors.noncritical e -> - error "Untypable instance, maybe higher-order non-prenex quantification" in - decompose_lam_n_assum m ntt + let evmap, (c, _) = Evarutil.new_type_evar env evmap Evd.univ_flexible in + let decl = (Name nid,None,c) in + aux (n-1) (nid::avoid) (Environ.push_rel decl env) evmap (decl::decls) in + let evmap, decls = aux m [] env evmap [] in + evmap, decls, revt (* tactics *) @@ -159,11 +149,15 @@ let left_instance_tac (inst,id) continue seq= if m>0 then pf_constr_of_global id (fun idc -> fun gl-> - let (rc,ot) = mk_open_instance id idc gl m t in + let evmap,rc,ot = mk_open_instance id idc gl m t in let gt= it_mkLambda_or_LetIn (mkApp(idc,[|ot|])) rc in - generalize [gt] gl) + let evmap, _ = + try Typing.e_type_of (pf_env gl) evmap gt + with e when Errors.noncritical e -> + error "Untypable instance, maybe higher-order non-prenex quantification" in + tclTHEN (Refiner.tclEVARS evmap) (generalize [gt]) gl) else pf_constr_of_global id (fun idc -> generalize [mkApp(idc,[|t|])]) |