* http://helm.cs.unibo.it/
*)
+(* $Id$ *)
+
open Printf
exception Meta_not_found of int
| Cic.Lambda (_,so,dest) -> is_meta_closed so && is_meta_closed dest
| Cic.LetIn (_,so,dest) -> is_meta_closed so && is_meta_closed dest
| Cic.Appl l ->
- List.fold_right (fun x i -> i && is_meta_closed x) l true
+ not (List.exists (fun x -> not (is_meta_closed x)) l)
| Cic.Var (_,exp_named_subst)
| Cic.Const (_,exp_named_subst)
| Cic.MutInd (_,_,exp_named_subst)
| Cic.MutConstruct (_,_,_,exp_named_subst) ->
- List.fold_right (fun (_,x) i -> i && is_meta_closed x)
- exp_named_subst true
+ not (List.exists (fun (_,x) -> not (is_meta_closed x)) exp_named_subst)
| Cic.MutCase (_,_,out,te,pl) ->
is_meta_closed out && is_meta_closed te &&
- List.fold_right (fun x i -> i && is_meta_closed x) pl true
+ not (List.exists (fun x -> not (is_meta_closed x)) pl)
| Cic.Fix (_,fl) ->
- List.fold_right
- (fun (_,_,ty,bo) i -> i && is_meta_closed ty && is_meta_closed bo
- ) fl true
+ not (List.exists
+ (fun (_,_,ty,bo) ->
+ not (is_meta_closed ty) || not (is_meta_closed bo))
+ fl)
| Cic.CoFix (_,fl) ->
- List.fold_right
- (fun (_,ty,bo) i -> i && is_meta_closed ty && is_meta_closed bo
- ) fl true
+ not (List.exists
+ (fun (_,ty,bo) ->
+ not (is_meta_closed ty) || not (is_meta_closed bo))
+ fl)
;;
let xpointer_RE = Str.regexp "\\([^#]+\\)#xpointer(\\(.*\\))"
let slash_RE = Str.regexp "/"
-let term_of_uri s =
- let uri = UriManager.uri_of_string s in
+let term_of_uri uri =
+ let s = UriManager.string_of_uri uri in
try
- (if String.sub s (String.length s - 4) 4 = ".con" then
+ (if UriManager.uri_is_con uri then
Cic.Const (uri, [])
- else if String.sub s (String.length s - 4) 4 = ".var" then
+ else if UriManager.uri_is_var uri then
Cic.Var (uri, [])
else if not (Str.string_match xpointer_RE s 0) then
raise (UriManager.IllFormedUri s)
let uri_of_term = function
| Cic.Const (uri, [])
- | Cic.Var (uri, []) -> UriManager.string_of_uri uri
+ | Cic.Var (uri, []) -> uri
| Cic.MutInd (baseuri, tyno, []) ->
- sprintf "%s#xpointer(1/%d)" (UriManager.string_of_uri baseuri) (tyno + 1)
+ UriManager.uri_of_string
+ (sprintf "%s#xpointer(1/%d)" (UriManager.string_of_uri baseuri) (tyno+1))
| Cic.MutConstruct (baseuri, tyno, consno, []) ->
- sprintf "%s#xpointer(1/%d/%d)" (UriManager.string_of_uri baseuri)
- (tyno + 1) consno
+ UriManager.uri_of_string
+ (sprintf "%s#xpointer(1/%d/%d)" (UriManager.string_of_uri baseuri)
+ (tyno + 1) consno)
| _ -> raise (Invalid_argument "uri_of_term")
-let select ~term ~context =
- let rec aux context term =
- match (context, term) with
- | Cic.Implicit (Some `Hole), t -> [t]
- | Cic.Implicit None,_ -> []
- | Cic.Meta (_, ctxt1), Cic.Meta (_, ctxt2) ->
- List.concat
- (List.map2
- (fun t1 t2 ->
- (match (t1, t2) with Some t1, Some t2 -> aux t1 t2 | _ -> []))
- ctxt1 ctxt2)
- | Cic.Cast (te1, ty1), Cic.Cast (te2, ty2) -> aux te1 te2 @ aux ty1 ty2
- | Cic.Prod (_, s1, t1), Cic.Prod (_, s2, t2)
- | Cic.Lambda (_, s1, t1), Cic.Lambda (_, s2, t2)
- | Cic.LetIn (_, s1, t1), Cic.LetIn (_, s2, t2) -> aux s1 s2 @ aux t1 t2
- | Cic.Appl terms1, Cic.Appl terms2 -> auxs terms1 terms2
- | Cic.Var (_, subst1), Cic.Var (_, subst2)
- | Cic.Const (_, subst1), Cic.Const (_, subst2)
- | Cic.MutInd (_, _, subst1), Cic.MutInd (_, _, subst2)
- | Cic.MutConstruct (_, _, _, subst1), Cic.MutConstruct (_, _, _, subst2) ->
- auxs (List.map snd subst1) (List.map snd subst2)
- | Cic.MutCase (_, _, out1, t1, pat1), Cic.MutCase (_ , _, out2, t2, pat2) ->
- aux out1 out2 @ aux t1 t2 @ auxs pat1 pat2
- | Cic.Fix (_, funs1), Cic.Fix (_, funs2) ->
- List.concat
- (List.map2
- (fun (_, _, ty1, bo1) (_, _, ty2, bo2) -> aux ty1 ty2 @ aux bo1 bo2)
- funs1 funs2)
- | Cic.CoFix (_, funs1), Cic.CoFix (_, funs2) ->
- List.concat
- (List.map2
- (fun (_, ty1, bo1) (_, ty2, bo2) -> aux ty1 ty2 @ aux bo1 bo2)
- funs1 funs2)
- | _ -> assert false
- and auxs terms1 terms2 = (* as aux for list of terms *)
- List.concat (List.map2 aux terms1 terms2)
- in
- aux context term
-
-let context_of ?(equality=(==)) ~term terms =
- let (===) x y = equality x y in
- let rec aux t =
- match t with
- | t when List.exists (fun t' -> t === t') terms -> Cic.Implicit (Some `Hole)
- | Cic.Var (uri, subst) -> Cic.Var (uri, aux_subst subst)
- | Cic.Meta (i, ctxt) ->
- let ctxt =
- List.map (function None -> None | Some t -> Some (aux t)) ctxt
- in
- Cic.Meta (i, ctxt)
- | Cic.Cast (t, ty) -> Cic.Cast (aux t, aux ty)
- | Cic.Prod (name, s, t) -> Cic.Prod (name, aux s, aux t)
- | Cic.Lambda (name, s, t) -> Cic.Lambda (name, aux s, aux t)
- | Cic.LetIn (name, s, t) -> Cic.LetIn (name, aux s, aux t)
- | Cic.Appl terms -> Cic.Appl (List.map aux terms)
- | Cic.Const (uri, subst) -> Cic.Const (uri, aux_subst subst)
- | Cic.MutInd (uri, tyno, subst) -> Cic.MutInd (uri, tyno, aux_subst subst)
- | Cic.MutConstruct (uri, tyno, consno, subst) ->
- Cic.MutConstruct (uri, tyno, consno, aux_subst subst)
- | Cic.MutCase (uri, tyno, outty, t, pat) ->
- Cic.MutCase (uri, tyno, aux outty, aux t, List.map aux pat)
- | Cic.Fix (funno, funs) ->
- let funs =
- List.map (fun (name, i, ty, bo) -> (name, i, aux ty, aux bo)) funs
- in
- Cic.Fix (funno, funs)
- | Cic.CoFix (funno, funs) ->
- let funs =
- List.map (fun (name, ty, bo) -> (name, aux ty, aux bo)) funs
- in
- Cic.CoFix (funno, funs)
- | Cic.Rel _
- | Cic.Sort _
- | Cic.Implicit _ -> t
- and aux_subst subst =
- List.map (fun (uri, t) -> (uri, aux t)) subst
- in
- aux term
+(*
let pack terms =
List.fold_right
(fun term acc -> Cic.Prod (Cic.Anonymous, term, acc))
| Cic.Prod (Cic.Anonymous, term, Cic.Sort (Cic.Type _)) -> [term]
| Cic.Prod (Cic.Anonymous, term, tgt) -> term :: unpack tgt
| _ -> assert false
+*)
let rec strip_prods n = function
| t when n = 0 -> t
| Cic.CurrentProof (_, _, _, _, _, attributes)
| Cic.InductiveDefinition (_, _, _, attributes) ->
attributes
+let rec mk_rels howmany from =
+ match howmany with
+ | 0 -> []
+ | _ -> (Cic.Rel (howmany + from)) :: (mk_rels (howmany-1) from)
+
+let id_of_annterm =
+ function
+ | Cic.ARel (id,_,_,_)
+ | Cic.AVar (id,_,_)
+ | Cic.AMeta (id,_,_)
+ | Cic.ASort (id,_)
+ | Cic.AImplicit (id,_)
+ | Cic.ACast (id,_,_)
+ | Cic.AProd (id,_,_,_)
+ | Cic.ALambda (id,_,_,_)
+ | Cic.ALetIn (id,_,_,_)
+ | Cic.AAppl (id,_)
+ | Cic.AConst (id,_,_)
+ | Cic.AMutInd (id,_,_,_)
+ | Cic.AMutConstruct (id,_,_,_,_)
+ | Cic.AMutCase (id,_,_,_,_,_)
+ | Cic.AFix (id,_,_)
+ | Cic.ACoFix (id,_,_) -> id
+
+
+let rec rehash_term =
+ let module C = Cic in
+ let recons uri = UriManager.uri_of_string (UriManager.string_of_uri uri) in
+ function
+ | (C.Rel _) as t -> t
+ | C.Var (uri,exp_named_subst) ->
+ let uri' = recons uri in
+ let exp_named_subst' =
+ List.map
+ (function (uri,t) ->(recons uri,rehash_term t))
+ exp_named_subst
+ in
+ C.Var (uri',exp_named_subst')
+ | C.Meta (i,l) ->
+ let l' =
+ List.map
+ (function
+ None -> None
+ | Some t -> Some (rehash_term t)
+ ) l
+ in
+ C.Meta(i,l')
+ | C.Sort (C.Type u) ->
+ CicUniv.assert_univ u;
+ C.Sort (C.Type (CicUniv.recons_univ u))
+ | C.Sort _ as t -> t
+ | C.Implicit _ as t -> t
+ | C.Cast (te,ty) -> C.Cast (rehash_term te, rehash_term ty)
+ | C.Prod (n,s,t) -> C.Prod (n, rehash_term s, rehash_term t)
+ | C.Lambda (n,s,t) -> C.Lambda (n, rehash_term s, rehash_term t)
+ | C.LetIn (n,s,t) -> C.LetIn (n, rehash_term s, rehash_term t)
+ | C.Appl l -> C.Appl (List.map rehash_term l)
+ | C.Const (uri,exp_named_subst) ->
+ let uri' = recons uri in
+ let exp_named_subst' =
+ List.map
+ (function (uri,t) -> (recons uri,rehash_term t)) exp_named_subst
+ in
+ C.Const (uri',exp_named_subst')
+ | C.MutInd (uri,tyno,exp_named_subst) ->
+ let uri' = recons uri in
+ let exp_named_subst' =
+ List.map
+ (function (uri,t) -> (recons uri,rehash_term t)) exp_named_subst
+ in
+ C.MutInd (uri',tyno,exp_named_subst')
+ | C.MutConstruct (uri,tyno,consno,exp_named_subst) ->
+ let uri' = recons uri in
+ let exp_named_subst' =
+ List.map
+ (function (uri,t) -> (recons uri,rehash_term t)) exp_named_subst
+ in
+ C.MutConstruct (uri',tyno,consno,exp_named_subst')
+ | C.MutCase (uri,i,outty,t,pl) ->
+ C.MutCase (recons uri, i, rehash_term outty, rehash_term t,
+ List.map rehash_term pl)
+ | C.Fix (i, fl) ->
+ let liftedfl =
+ List.map
+ (fun (name, i, ty, bo) ->
+ (name, i, rehash_term ty, rehash_term bo))
+ fl
+ in
+ C.Fix (i, liftedfl)
+ | C.CoFix (i, fl) ->
+ let liftedfl =
+ List.map
+ (fun (name, ty, bo) -> (name, rehash_term ty, rehash_term bo))
+ fl
+ in
+ C.CoFix (i, liftedfl)
+
+let rehash_obj =
+ let module C = Cic in
+ let recons uri = UriManager.uri_of_string (UriManager.string_of_uri uri) in
+ function
+ C.Constant (name,bo,ty,params,attrs) ->
+ let bo' =
+ match bo with
+ None -> None
+ | Some bo -> Some (rehash_term bo)
+ in
+ let ty' = rehash_term ty in
+ let params' = List.map recons params in
+ C.Constant (name, bo', ty', params',attrs)
+ | C.CurrentProof (name,conjs,bo,ty,params,attrs) ->
+ let conjs' =
+ List.map
+ (function (i,hyps,ty) ->
+ (i,
+ List.map (function
+ None -> None
+ | Some (name,C.Decl t) ->
+ Some (name,C.Decl (rehash_term t))
+ | Some (name,C.Def (bo,ty)) ->
+ let ty' =
+ match ty with
+ None -> None
+ | Some ty'' -> Some (rehash_term ty'')
+ in
+ Some (name,C.Def (rehash_term bo, ty'))) hyps,
+ rehash_term ty))
+ conjs
+ in
+ let bo' = rehash_term bo in
+ let ty' = rehash_term ty in
+ let params' = List.map recons params in
+ C.CurrentProof (name, conjs', bo', ty', params',attrs)
+ | C.Variable (name,bo,ty,params,attrs) ->
+ let bo' =
+ match bo with
+ None -> None
+ | Some bo -> Some (rehash_term bo)
+ in
+ let ty' = rehash_term ty in
+ let params' = List.map recons params in
+ C.Variable (name, bo', ty', params',attrs)
+ | C.InductiveDefinition (tl,params,paramsno,attrs) ->
+ let params' = List.map recons params in
+ let tl' =
+ List.map (function (name, inductive, ty, constructors) ->
+ name,
+ inductive,
+ rehash_term ty,
+ (List.map
+ (function (name, ty) -> name, rehash_term ty)
+ constructors))
+ tl
+ in
+ C.InductiveDefinition (tl', params', paramsno, attrs)