| Skip t -> size_of_term t
| UnsafeCoerce t -> 1 + size_of_term t
;;
-let unitty =
- NCic.Const (NReference.reference_of_spec (NUri.uri_of_string "cic:/matita/basics/types/unit.ind") (NReference.Ind (true,0,0)));;
type obj_kind =
TypeDeclaration of typ_former_decl
let dummyref =
NReference.reference_of_string "cic:/matita/dummy/dummy.ind(1,1,1)"
+type not_term = [`Kind | `KindOrType | `PropKind | `Proposition | `Type];;
+
+let max_not_term t1 t2 =
+ match t1,t2 with
+ `KindOrType,_
+ | _,`KindOrType -> `KindOrType
+ | `Kind,_
+ | _,`Kind -> `Kind
+ | `Type,_
+ | _,`Type -> `Type
+ | `PropKind,_
+ | _,`PropKind -> `PropKind
+ | `Proposition,`Proposition -> `Proposition
+
+let sup = List.fold_left max_not_term `Proposition
+
let rec classify_not_term status context t =
match NCicReduction.whd status ~subst:[] context t with
| NCic.Sort s ->
classify_not_term status ((b,NCic.Decl s)::context) t
| NCic.Implicit _
| NCic.LetIn _
- | NCic.Lambda _
| NCic.Const (NReference.Ref (_,NReference.CoFix _))
| NCic.Appl [] ->
assert false (* NOT POSSIBLE *)
- | NCic.Match _
+ | NCic.Lambda (n,s,t) ->
+ (* Lambdas can me met in branches of matches, expecially when the
+ output type is a product *)
+ classify_not_term status ((n,NCic.Decl s)::context) t
+ | NCic.Match (r,_,_,pl) ->
+ let classified_pl = List.map (classify_not_term status context) pl in
+ sup classified_pl
| NCic.Const (NReference.Ref (_,NReference.Fix _)) ->
- (* be aware: we can be the head of an application *)
- assert false (* TODO *)
+ assert false (* IMPOSSIBLE *)
| NCic.Meta _ -> assert false (* TODO *)
+ | NCic.Appl (NCic.Const (NReference.Ref (_,NReference.Fix (i,_,_)) as r)::_)->
+ let l,_,_ = NCicEnvironment.get_checked_fixes_or_cofixes status r in
+ let _,_,_,_,bo = List.nth l i in
+ classify_not_term status [] bo
| NCic.Appl (he::_) -> classify_not_term status context he
| NCic.Rel n ->
let rec find_sort typ =
assert false (* IMPOSSIBLE *)
;;
-type not_term = [`Kind | `KindOrType | `PropKind | `Proposition | `Type];;
-
let classify status ~metasenv context t =
match NCicTypeChecker.typeof status ~metasenv ~subst:[] context t with
| NCic.Sort _ ->
| NCic.Lambda _ -> assert false (* LAMBDA-LIFT INNER DECLARATION *)
| NCic.Rel n -> Var n
| NCic.Const ref -> TConst ref
+ | NCic.Match (_,_,_,_)
+ | NCic.Appl (NCic.Const (NReference.Ref (_,NReference.Fix _))::_) ->
+ Top
| NCic.Appl (he::args) ->
let rev_he_context= rev_context_of_typformer status ~metasenv context he in
TAppl (typ_of status ~metasenv context he ::
(skip_args status ~metasenv context (rev_he_context,args)))
| NCic.Appl _ -> assert false (* TODO: when head is a match/let rec;
otherwise NOT A TYPE *)
- | NCic.Meta _
- | NCic.Match (_,_,_,_) -> assert false (* TODO *)
+ | NCic.Meta _ -> assert false (*TODO*)
;;
let rec fomega_lift_type_from n k =
let ctx = None::ctx in
let context = (name,NCic.Decl ty)::context in
eat_branch 0 t context ctx t'
- | Top,_ -> assert false (*TODO: HOW??*)
+ | Top,_ -> assert false (* IMPOSSIBLE *)
| TSkip _, _
| Forall _,_
| Arrow _,_ -> assert false (*BUG here, eta-expand!*)
Unit -> UnitTerm
| _ -> term_of status ~metasenv context arg in
eat_args status metasenv (mk_appl acc arg) context t tl
+ | Top ->
+ let arg =
+ match classify status ~metasenv context arg with
+ | `PropKind
+ | `Proposition
+ | `Term `TypeFormer
+ | `Term `PropFormer
+ | `Term `Proof
+ | `Type
+ | `KindOrType
+ | `Kind -> UnitTerm
+ | `Term `TypeFormerOrTerm
+ | `Term `Term -> term_of status ~metasenv context arg
+ in
+ eat_args status metasenv
+ (UnsafeCoerce (mk_appl acc (UnsafeCoerce arg)))
+ context Top tl
| Forall (_,_,t) ->
(match classify status ~metasenv context arg with
| `PropKind -> assert false (*TODO: same as below, coercion needed???*)
tl)
| TSkip t ->
eat_args status metasenv acc context t tl
- | Top -> assert false (*TODO: HOW??*)
| Unit | Var _ | TConst _ | TAppl _ -> assert false (* NOT A PRODUCT *)
;;
if ReferenceMap.mem ref status#extraction_db then
`TypeName
else
- let NReference.Ref (_,ref) = ref in
- match ref with
+ let NReference.Ref (_,r) = ref in
+ match r with
NReference.Con _ -> `Constructor
| NReference.Ind _ -> assert false
| _ -> `FunctionName
function
| Var n -> List.nth ctxt (n-1)
| Unit -> "()"
- | Top -> assert false (* ??? *)
+ | Top -> "Top"
| TConst ref -> pp_ref status ref
| Arrow (t1,t2) ->
bracket size_of_type (pretty_print_type status ctxt) t1 ^ " -> " ^