diff options
Diffstat (limited to 'pretyping/evarconv.ml')
| -rw-r--r-- | pretyping/evarconv.ml | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/pretyping/evarconv.ml b/pretyping/evarconv.ml index 3d887e1a95..f1506f5f59 100644 --- a/pretyping/evarconv.ml +++ b/pretyping/evarconv.ml @@ -195,7 +195,7 @@ let occur_rigidly flags env evd (evk,_) t = | Evar (evk',l as ev) -> if Evar.equal evk evk' then Rigid true else if is_frozen flags ev then - Rigid (Array.exists (fun x -> rigid_normal_occ (aux x)) l) + Rigid (List.exists (fun x -> rigid_normal_occ (aux x)) l) else Reducible | Cast (p, _, _) -> aux p | Lambda (na, t, b) -> aux b @@ -351,6 +351,14 @@ let ise_array2 evd f v1 v2 = if Int.equal lv1 (Array.length v2) then allrec evd (pred lv1) else UnifFailure (evd,NotSameArgSize) +let rec ise_inst2 evd f l1 l2 = match l1, l2 with +| [], [] -> Success evd +| [], (_ :: _) | (_ :: _), [] -> assert false +| c1 :: l1, c2 :: l2 -> + match ise_inst2 evd f l1 l2 with + | Success evd' -> f evd' c1 c2 + | UnifFailure _ as x -> x + (* Applicative node of stack are read from the outermost to the innermost but are unified the other way. *) let rec ise_app_stack2 env f evd sk1 sk2 = @@ -1019,7 +1027,7 @@ and evar_eqappr_x ?(rhs_is_already_stuck = false) flags env evd pbty if Evar.equal sp1 sp2 then match ise_stack2 false env evd (evar_conv_x flags) sk1 sk2 with |None, Success i' -> - ise_array2 i' (fun i' -> evar_conv_x flags env i' CONV) al1 al2 + ise_inst2 i' (fun i' -> evar_conv_x flags env i' CONV) al1 al2 |_, (UnifFailure _ as x) -> x |Some _, _ -> UnifFailure (evd,NotSameArgSize) else UnifFailure (evd,NotSameHead) @@ -1241,6 +1249,7 @@ let filter_possible_projections evd c ty ctxt args = (* Since args in the types will be replaced by holes, we count the fv of args to have a well-typed filter; don't know how necessary it is however to have a well-typed filter here *) + let args = Array.of_list args in let fv1 = free_rels evd (mkApp (c,args)) (* Hack: locally untyped *) in let fv2 = collect_vars evd (mkApp (c,args)) in let len = Array.length args in @@ -1309,8 +1318,8 @@ let thin_evars env sigma sign c = match kind !sigma t with | Evar (ev, args) -> let evi = Evd.find_undefined !sigma ev in - let filter = Array.map (fun c -> Id.Set.subset (collect_vars !sigma c) ctx) args in - let filter = Filter.make (Array.to_list filter) in + let filter = List.map (fun c -> Id.Set.subset (collect_vars !sigma c) ctx) args in + let filter = Filter.make filter in let candidates = Option.map (List.map EConstr.of_constr) (evar_candidates evi) in let evd, ev = restrict_evar !sigma ev filter candidates in sigma := evd; whd_evar !sigma t @@ -1336,9 +1345,9 @@ let second_order_matching flags env_rhs evd (evk,args) (test,argoccs) rhs = if debug_ho_unification () then (Feedback.msg_debug Pp.(str"env rhs: " ++ Termops.Internal.print_env env_rhs); Feedback.msg_debug Pp.(str"env evars: " ++ Termops.Internal.print_env env_evar)); - let args = Array.map (nf_evar evd) args in + let args = List.map (nf_evar evd) args in let vars = List.map NamedDecl.get_id ctxt in - let argsubst = List.map2 (fun id c -> (id, c)) vars (Array.to_list args) in + let argsubst = List.map2 (fun id c -> (id, c)) vars args in let instance = List.map mkVar vars in let rhs = nf_evar evd rhs in if not (noccur_evar env_rhs evd evk rhs) then raise (TypingFailed evd); @@ -1416,7 +1425,7 @@ let second_order_matching flags env_rhs evd (evk,args) (test,argoccs) rhs = set_holes env_rhs' evd rhs' subst | [] -> evd, rhs in - let subst = make_subst (ctxt,Array.to_list args,argoccs) in + let subst = make_subst (ctxt,args,argoccs) in let evd, rhs' = set_holes env_rhs evd rhs subst in let rhs' = nf_evar evd rhs' in @@ -1533,7 +1542,7 @@ let default_evar_selection flags evd (ev,args) = in spec :: aux args abs | l, [] -> List.map (fun _ -> default_occurrence_selection) l | [], _ :: _ -> assert false - in aux (Array.to_list args) evi.evar_abstract_arguments + in aux args evi.evar_abstract_arguments let second_order_matching_with_args flags env evd with_ho pbty ev l t = if with_ho then |