exception No_choices of domain_item
exception NoWellTypedInterpretation
+exception PathNotWellFormed
(** raised when an environment is not enough informative to decide *)
exception Try_again
-let debug = true
+type aliases = bool * DisambiguateTypes.environment
+
+let debug = false
let debug_print = if debug then prerr_endline else ignore
+(*
+ (** print benchmark information *)
+let benchmark = true
+let max_refinements = ref 0 (* benchmarking is not thread safe *)
+let actual_refinements = ref 0
+let domain_size = ref 0
+let choices_avg = ref 0.
+*)
+
let descr_of_domain_item = function
| Id s -> s
| Symbol (s, _) -> s
| Num i -> string_of_int i
-type test_result =
- | Ok of Cic.term * Cic.metasenv
+type 'a test_result =
+ | Ok of 'a * Cic.metasenv
| Ko
| Uncertain
-let refine metasenv context term =
- let metasenv, term = CicMkImplicit.expand_implicits metasenv context term in
- debug_print (sprintf "TEST_INTERPRETATION: %s" (CicPp.ppterm term));
- try
- let term', _, metasenv' = CicRefine.type_of_aux' metasenv context term in
- Ok (term', metasenv')
- with
- | CicRefine.Uncertain _ ->
- debug_print ("%%% UNCERTAIN!!! " ^ CicPp.ppterm term) ;
- Uncertain
- | CicRefine.RefineFailure _ ->
- debug_print ("%%% PRUNED!!! " ^ CicPp.ppterm term) ;
- Ko
+let refine_term metasenv context uri term ugraph =
+(* if benchmark then incr actual_refinements; *)
+ assert (uri=None);
+ let metasenv, term =
+ CicMkImplicit.expand_implicits metasenv [] context term in
+ debug_print (sprintf "TEST_INTERPRETATION: %s" (CicPp.ppterm term));
+ try
+ let term', _, metasenv',ugraph1 =
+ CicRefine.type_of_aux' metasenv context term ugraph in
+ (Ok (term', metasenv')),ugraph1
+ with
+ | CicRefine.Uncertain s ->
+ debug_print ("UNCERTAIN!!! [" ^ s ^ "] " ^ CicPp.ppterm term) ;
+ Uncertain,ugraph
+ | CicRefine.RefineFailure msg ->
+ debug_print (sprintf "PRUNED!!!\nterm%s\nmessage:%s"
+ (CicPp.ppterm term) msg);
+ Ko,ugraph
+
+let refine_obj metasenv context uri obj ugraph =
+ assert (context = []);
+ let metasenv, obj = CicMkImplicit.expand_implicits_in_obj metasenv [] obj in
+ debug_print (sprintf "TEST_INTERPRETATION: %s" (CicPp.ppobj obj));
+ try
+ let obj', metasenv,ugraph = CicRefine.typecheck metasenv uri obj in
+ (Ok (obj', metasenv)),ugraph
+ with
+ | CicRefine.Uncertain s ->
+ debug_print ("UNCERTAIN!!! [" ^ s ^ "] " ^ CicPp.ppobj obj) ;
+ Uncertain,ugraph
+ | CicRefine.RefineFailure msg ->
+ debug_print (sprintf "PRUNED!!!\nterm%s\nmessage:%s"
+ (CicPp.ppobj obj) msg);
+ Ko,ugraph
-let resolve (env: environment) (item: domain_item) ?(num = "") ?(args = []) () =
+let resolve (env: codomain_item Environment.t) (item: domain_item) ?(num = "") ?(args = []) () =
try
snd (Environment.find item env) env num args
- with Not_found -> assert false
+ with Not_found ->
+ failwith ("Domain item not found: " ^
+ (DisambiguateTypes.string_of_domain_item item))
(* TODO move it to Cic *)
-let find_in_environment name context =
+let find_in_environment name (context: Cic.name list) =
let rec aux acc = function
| [] -> raise Not_found
| Cic.Name hd :: tl when hd = name -> acc
in
aux 1 context
-let interpretate ~context ~env ast =
- let rec aux loc context = function
- | CicAst.AttributedTerm (`Loc loc, term) ->
+let interpretate_term ~(context: Cic.name list) ~env ~uri ~is_path ast =
+ assert (uri = None);
+ let rec aux loc (context: Cic.name list) = function
+ | CicNotationPt.AttributedTerm (`Loc loc, term) ->
aux loc context term
- | CicAst.AttributedTerm (_, term) -> aux loc context term
- | CicAst.Appl (CicAst.Symbol (symb, i) :: args) ->
+ | CicNotationPt.AttributedTerm (_, term) -> aux loc context term
+ | CicNotationPt.Appl (CicNotationPt.Symbol (symb, i) :: args) ->
let cic_args = List.map (aux loc context) args in
resolve env (Symbol (symb, i)) ~args:cic_args ()
- | CicAst.Appl terms -> Cic.Appl (List.map (aux loc context) terms)
- | CicAst.Binder (binder_kind, (var, typ), body) ->
- let cic_type = aux_option loc context typ in
- let cic_body = aux loc (var :: context) body in
+ | CicNotationPt.Appl terms -> Cic.Appl (List.map (aux loc context) terms)
+ | CicNotationPt.Binder (binder_kind, (var, typ), body) ->
+ let cic_type = aux_option loc context (Some `Type) typ in
+ let cic_name = CicNotationUtil.cic_name_of_name var in
+ let cic_body = aux loc (cic_name :: context) body in
(match binder_kind with
- | `Lambda -> Cic.Lambda (var, cic_type, cic_body)
- | `Pi | `Forall -> Cic.Prod (var, cic_type, cic_body)
+ | `Lambda -> Cic.Lambda (cic_name, cic_type, cic_body)
+ | `Pi
+ | `Forall -> Cic.Prod (cic_name, cic_type, cic_body)
| `Exists ->
resolve env (Symbol ("exists", 0))
- ~args:[ cic_type; Cic.Lambda (var, cic_type, cic_body) ] ())
- | CicAst.Case (term, indty_ident, outtype, branches) ->
+ ~args:[ cic_type; Cic.Lambda (cic_name, cic_type, cic_body) ] ())
+ | CicNotationPt.Case (term, indty_ident, outtype, branches) ->
let cic_term = aux loc context term in
- let cic_outtype = aux_option loc context outtype in
- let do_branch ((head, args), term) =
+ let cic_outtype = aux_option loc context None outtype in
+ let do_branch ((head, _, args), term) =
let rec do_branch' context = function
| [] -> aux loc context term
| (name, typ) :: tl ->
- let cic_body = do_branch' (name :: context) tl in
+ let cic_name = CicNotationUtil.cic_name_of_name name in
+ let cic_body = do_branch' (cic_name :: context) tl in
let typ =
match typ with
| None -> Cic.Implicit (Some `Type)
| Some typ -> aux loc context typ
in
- Cic.Lambda (name, typ, cic_body)
+ Cic.Lambda (cic_name, typ, cic_body)
in
do_branch' context args
in
let (indtype_uri, indtype_no) =
match indty_ident with
- | Some indty_ident ->
+ | Some (indty_ident, _) ->
(match resolve env (Id indty_ident) () with
| Cic.MutInd (uri, tyno, _) -> (uri, tyno)
| Cic.Implicit _ -> raise Try_again
- | _ -> raise DisambiguateChoices.Invalid_choice)
+ | _ -> raise Invalid_choice)
| None ->
let fst_constructor =
match branches with
- | ((head, _), _) :: _ -> head
- | [] -> raise DisambiguateChoices.Invalid_choice
+ | ((head, _, _), _) :: _ -> head
+ | [] -> raise Invalid_choice
in
(match resolve env (Id fst_constructor) () with
| Cic.MutConstruct (indtype_uri, indtype_no, _, _) ->
(indtype_uri, indtype_no)
| Cic.Implicit _ -> raise Try_again
- | _ -> raise DisambiguateChoices.Invalid_choice)
+ | _ -> raise Invalid_choice)
in
Cic.MutCase (indtype_uri, indtype_no, cic_outtype, cic_term,
(List.map do_branch branches))
- | CicAst.LetIn ((name, typ), def, body) ->
+ | CicNotationPt.Cast (t1, t2) ->
+ let cic_t1 = aux loc context t1 in
+ let cic_t2 = aux loc context t2 in
+ Cic.Cast (cic_t1, cic_t2)
+ | CicNotationPt.LetIn ((name, typ), def, body) ->
let cic_def = aux loc context def in
+ let cic_name = CicNotationUtil.cic_name_of_name name in
let cic_def =
match typ with
| None -> cic_def
| Some t -> Cic.Cast (cic_def, aux loc context t)
in
- let cic_body = aux loc (name :: context) body in
- Cic.LetIn (name, cic_def, cic_body)
- | CicAst.LetRec (kind, defs, body) ->
+ let cic_body = aux loc (cic_name :: context) body in
+ Cic.LetIn (cic_name, cic_def, cic_body)
+ | CicNotationPt.LetRec (kind, defs, body) ->
let context' =
- List.fold_left (fun acc ((name, _), _, _) -> name :: acc)
+ List.fold_left
+ (fun acc ((name, _), _, _) ->
+ CicNotationUtil.cic_name_of_name name :: acc)
context defs
in
let cic_body = aux loc context' body in
List.map
(fun ((name, typ), body, decr_idx) ->
let cic_body = aux loc context' body in
- let cic_type = aux_option loc context typ in
+ let cic_type = aux_option loc context (Some `Type) typ in
let name =
- match name with
+ match CicNotationUtil.cic_name_of_name name with
| Cic.Anonymous ->
- CicTextualParser2.fail loc
+ CicNotationPt.fail loc
"Recursive functions cannot be anonymous"
| Cic.Name name -> name
in
Cic.LetIn (Cic.Name var, Cic.CoFix (!counter, funs), cic))
in
List.fold_right (build_term inductiveFuns) inductiveFuns cic_body
- | CicAst.Ident (name, subst) ->
+ | CicNotationPt.Ident _
+ | CicNotationPt.Uri _ when is_path -> raise PathNotWellFormed
+ | CicNotationPt.Ident (name, subst)
+ | CicNotationPt.Uri (name, subst) as ast ->
+ let is_uri = function CicNotationPt.Uri _ -> true | _ -> false in
(try
+ if is_uri ast then raise Not_found;(* don't search the env for URIs *)
let index = find_in_environment name context in
if subst <> None then
- CicTextualParser2.fail loc
- "Explicit substitutions not allowed here";
+ CicNotationPt.fail loc "Explicit substitutions not allowed here";
Cic.Rel index
with Not_found ->
- let cic = resolve env (Id name) () in
+ let cic =
+ if is_uri ast then (* we have the URI, build the term out of it *)
+ try
+ CicUtil.term_of_uri (UriManager.uri_of_string name)
+ with UriManager.IllFormedUri _ ->
+ CicNotationPt.fail loc "Ill formed URI"
+ else
+ resolve env (Id name) ()
+ in
let mk_subst uris =
let ids_to_uris =
List.map (fun uri -> UriManager.name_of_uri uri, uri) uris
(try
List.assoc s ids_to_uris, aux loc context term
with Not_found ->
- raise DisambiguateChoices.Invalid_choice))
+ raise Invalid_choice))
subst
| None -> List.map (fun uri -> uri, Cic.Implicit None) uris)
- in
- (try
+ in
+ (try
match cic with
| Cic.Const (uri, []) ->
- let uris =
- (*match CicEnvironment.get_obj uri with*)
- match CicTypeChecker.typecheck uri with
- | Cic.Constant (_, _, _, uris) -> uris
- | _ -> assert false
- in
+ let o,_ = CicEnvironment.get_obj CicUniv.empty_ugraph uri in
+ let uris = CicUtil.params_of_obj o in
Cic.Const (uri, mk_subst uris)
| Cic.Var (uri, []) ->
- let uris =
- (*match CicEnvironment.get_obj uri with*)
- match CicTypeChecker.typecheck uri with
- | Cic.Variable (_, _, _, uris) -> uris
- | _ -> assert false
- in
+ let o,_ = CicEnvironment.get_obj CicUniv.empty_ugraph uri in
+ let uris = CicUtil.params_of_obj o in
Cic.Var (uri, mk_subst uris)
| Cic.MutInd (uri, i, []) ->
- let uris =
- (*match CicEnvironment.get_obj uri with*)
- match CicTypeChecker.typecheck uri with
- | Cic.InductiveDefinition (_, uris, _) -> uris
- | _ -> assert false
- in
- Cic.MutInd (uri, i, mk_subst uris)
+ (try
+ let o,_ = CicEnvironment.get_obj CicUniv.empty_ugraph uri in
+ let uris = CicUtil.params_of_obj o in
+ Cic.MutInd (uri, i, mk_subst uris)
+ with
+ CicEnvironment.Object_not_found _ ->
+ (* if we are here it is probably the case that during the
+ definition of a mutual inductive type we have met an
+ occurrence of the type in one of its constructors.
+ However, the inductive type is not yet in the environment
+ *)
+ (*here the explicit_named_substituion is assumed to be of length 0 *)
+ Cic.MutInd (uri,i,[]))
| Cic.MutConstruct (uri, i, j, []) ->
- let uris =
- (*match CicEnvironment.get_obj uri with*)
- match CicTypeChecker.typecheck uri with
- | Cic.InductiveDefinition (_, uris, _) -> uris
- | _ -> assert false
- in
+ let o,_ = CicEnvironment.get_obj CicUniv.empty_ugraph uri in
+ let uris = CicUtil.params_of_obj o in
Cic.MutConstruct (uri, i, j, mk_subst uris)
| Cic.Meta _ | Cic.Implicit _ as t ->
(*
- prerr_endline (sprintf
+ debug_print (sprintf
"Warning: %s must be instantiated with _[%s] but we do not enforce it"
(CicPp.ppterm t)
(String.concat "; "
(List.map
- (fun (s, term) -> s ^ " := " ^ CicAstPp.pp_term term)
+ (fun (s, term) -> s ^ " := " ^ CicNotationPtPp.pp_term term)
subst)));
*)
t
| _ ->
- raise DisambiguateChoices.Invalid_choice
+ raise Invalid_choice
with
CicEnvironment.CircularDependency _ ->
- raise DisambiguateChoices.Invalid_choice))
- | CicAst.Implicit -> Cic.Implicit None
- | CicAst.Num (num, i) -> resolve env (Num i) ~num ()
- | CicAst.Meta (index, subst) ->
+ raise Invalid_choice))
+ | CicNotationPt.Implicit -> Cic.Implicit None
+ | CicNotationPt.UserInput -> Cic.Implicit (Some `Hole)
+ | CicNotationPt.Num (num, i) -> resolve env (Num i) ~num ()
+ | CicNotationPt.Meta (index, subst) ->
let cic_subst =
List.map
(function None -> None | Some term -> Some (aux loc context term))
subst
in
Cic.Meta (index, cic_subst)
- | CicAst.Sort `Prop -> Cic.Sort Cic.Prop
- | CicAst.Sort `Set -> Cic.Sort Cic.Set
- | CicAst.Sort `Type -> Cic.Sort (Cic.Type (CicUniv.fresh())) (* TASSI *)
- | CicAst.Sort `CProp -> Cic.Sort Cic.CProp
- | CicAst.Symbol (symbol, instance) ->
+ | CicNotationPt.Sort `Prop -> Cic.Sort Cic.Prop
+ | CicNotationPt.Sort `Set -> Cic.Sort Cic.Set
+ | CicNotationPt.Sort `Type -> Cic.Sort (Cic.Type (CicUniv.fresh())) (* TASSI *)
+ | CicNotationPt.Sort `CProp -> Cic.Sort Cic.CProp
+ | CicNotationPt.Symbol (symbol, instance) ->
resolve env (Symbol (symbol, instance)) ()
- and aux_option loc context = function
- | None -> Cic.Implicit (Some `Type)
+ | _ -> assert false (* god bless Bologna *)
+ and aux_option loc (context: Cic.name list) annotation = function
+ | None -> Cic.Implicit annotation
| Some term -> aux loc context term
in
match ast with
- | CicAst.AttributedTerm (`Loc loc, term) -> aux loc context term
- | term -> aux (-1, -1) context term
+ | CicNotationPt.AttributedTerm (`Loc loc, term) -> aux loc context term
+ | term -> aux dummy_floc context term
-let domain_of_term ~context ast =
- (* "aux" keeps domain in reverse order and doesn't care about duplicates.
- * Domain item more in deep in the list will be processed first.
- *)
- let rec aux loc context = function
- | CicAst.AttributedTerm (`Loc loc, term) -> aux loc context term
- | CicAst.AttributedTerm (_, term) -> aux loc context term
- | CicAst.Appl terms ->
- List.fold_left (fun dom term -> aux loc context term @ dom) [] terms
- | CicAst.Binder (kind, (var, typ), body) ->
- let kind_dom =
- match kind with
- | `Exists -> [ Symbol ("exists", 0) ]
- | _ -> []
- in
- let type_dom = aux_option loc context typ in
- let body_dom = aux loc (var :: context) body in
- body_dom @ type_dom @ kind_dom
- | CicAst.Case (term, indty_ident, outtype, branches) ->
- let term_dom = aux loc context term in
- let outtype_dom = aux_option loc context outtype in
- let do_branch ((head, args), term) =
- let (term_context, args_domain) =
- List.fold_left
- (fun (cont, dom) (name, typ) ->
- (name :: cont,
- (match typ with
- | None -> dom
- | Some typ -> aux loc cont typ @ dom)))
- (context, []) args
- in
- args_domain @ aux loc term_context term
- in
- let branches_dom =
- List.fold_left (fun dom branch -> do_branch branch @ dom) [] branches
- in
- branches_dom @ outtype_dom @ term_dom @
- (match indty_ident with None -> [] | Some ident -> [ Id ident ])
- | CicAst.LetIn ((var, typ), body, where) ->
- let body_dom = aux loc context body in
- let type_dom = aux_option loc context typ in
- let where_dom = aux loc (var :: context) where in
- where_dom @ type_dom @ body_dom
- | CicAst.LetRec (kind, defs, where) ->
- let context' =
- List.fold_left (fun acc ((var, typ), _, _) -> var :: acc)
- context defs
- in
- let where_dom = aux loc context' where in
- let defs_dom =
- List.fold_left
- (fun dom ((_, typ), body, _) ->
- aux loc context' body @ aux_option loc context typ)
- [] defs
- in
- where_dom @ defs_dom
- | CicAst.Ident (name, subst) ->
- (try
- let index = find_in_environment name context in
- if subst <> None then
- CicTextualParser2.fail loc
- "Explicit substitutions not allowed here"
- else
- []
- with Not_found ->
- (match subst with
- | None -> [Id name]
- | Some subst ->
- List.fold_left
- (fun dom (_, term) ->
- let dom' = aux loc context term in
- dom' @ dom)
- [Id name] subst))
- | CicAst.Implicit -> []
- | CicAst.Num (num, i) -> [ Num i ]
- | CicAst.Meta (index, local_context) ->
- List.fold_left (fun dom term -> aux_option loc context term @ dom) []
- local_context
- | CicAst.Sort _ -> []
- | CicAst.Symbol (symbol, instance) -> [ Symbol (symbol, instance) ]
+let interpretate_path ~context path =
+ interpretate_term ~context ~env:Environment.empty ~uri:None ~is_path:true path
- and aux_option loc context = function
- | None -> []
- | Some t -> aux loc context t
- in
+let interpretate_obj ~context ~env ~uri ~is_path obj =
+ assert (context = []);
+ assert (is_path = false);
+ match obj with
+ | GrafiteAst.Inductive (params,tyl) ->
+ let uri = match uri with Some uri -> uri | None -> assert false in
+ let context,params =
+ let context,res =
+ List.fold_left
+ (fun (context,res) (name,t) ->
+ Cic.Name name :: context,
+ (name, interpretate_term context env None false t)::res
+ ) ([],[]) params
+ in
+ context,List.rev res in
+ let add_params =
+ List.fold_right
+ (fun (name,ty) t -> Cic.Prod (Cic.Name name,ty,t)) params in
+ let name_to_uris =
+ snd (
+ List.fold_left
+ (*here the explicit_named_substituion is assumed to be of length 0 *)
+ (fun (i,res) (name,_,_,_) ->
+ i + 1,(name,name,Cic.MutInd (uri,i,[]))::res
+ ) (0,[]) tyl) in
+ let con_env = DisambiguateTypes.singleton_env_of_list name_to_uris env in
+ let undebrujin t =
+ snd
+ (List.fold_right
+ (fun (name,_,_,_) (i,t) ->
+ (*here the explicit_named_substituion is assumed to be of length 0 *)
+ let t' = Cic.MutInd (uri,i,[]) in
+ let t = CicSubstitution.subst t' t in
+ i - 1,t
+ ) tyl (List.length tyl - 1,t)) in
+ let tyl =
+ List.map
+ (fun (name,b,ty,cl) ->
+ let ty' = add_params (interpretate_term context env None false ty) in
+ let cl' =
+ List.map
+ (fun (name,ty) ->
+ let ty' =
+ add_params (interpretate_term context con_env None false ty)
+ in
+ name,undebrujin ty'
+ ) cl
+ in
+ name,b,ty',cl'
+ ) tyl
+ in
+ Cic.InductiveDefinition (tyl,[],List.length params,[])
+ | GrafiteAst.Record (params,name,ty,fields) ->
+ let uri = match uri with Some uri -> uri | None -> assert false in
+ let context,params =
+ let context,res =
+ List.fold_left
+ (fun (context,res) (name,t) ->
+ (Cic.Name name :: context),
+ (name, interpretate_term context env None false t)::res
+ ) ([],[]) params
+ in
+ context,List.rev res in
+ let add_params =
+ List.fold_right
+ (fun (name,ty) t -> Cic.Prod (Cic.Name name,ty,t)) params in
+ let ty' = add_params (interpretate_term context env None false ty) in
+ let fields' =
+ snd (
+ List.fold_left
+ (fun (context,res) (name,ty) ->
+ let context' = Cic.Name name :: context in
+ context',(name,interpretate_term context env None false ty)::res
+ ) (context,[]) fields) in
+ let concl =
+ (*here the explicit_named_substituion is assumed to be of length 0 *)
+ let mutind = Cic.MutInd (uri,0,[]) in
+ if params = [] then mutind
+ else
+ Cic.Appl
+ (mutind::CicUtil.mk_rels (List.length params) (List.length fields)) in
+ let con =
+ List.fold_left
+ (fun t (name,ty) -> Cic.Prod (Cic.Name name,ty,t))
+ concl fields' in
+ let con' = add_params con in
+ let tyl = [name,true,ty',["mk_" ^ name,con']] in
+ let field_names = List.map fst fields in
+ Cic.InductiveDefinition
+ (tyl,[],List.length params,[`Class (`Record field_names)])
+ | GrafiteAst.Theorem (flavour, name, ty, bo) ->
+ let attrs = [`Flavour flavour] in
+ let ty' = interpretate_term [] env None false ty in
+ (match bo with
+ None ->
+ Cic.CurrentProof (name,[],Cic.Implicit None,ty',[],attrs)
+ | Some bo ->
+ let bo' = Some (interpretate_term [] env None false bo) in
+ Cic.Constant (name,bo',ty',[],attrs))
+
- (* e.g. [5;1;1;1;2;3;4;1;2] -> [2;1;4;3;5] *)
- let rev_uniq =
- let module SortedItem =
- struct
- type t = DisambiguateTypes.domain_item
- let compare = Pervasives.compare
- end
+ (* e.g. [5;1;1;1;2;3;4;1;2] -> [2;1;4;3;5] *)
+let rev_uniq =
+ let module SortedItem =
+ struct
+ type t = DisambiguateTypes.domain_item
+ let compare = Pervasives.compare
+ end
+ in
+ let module Set = Set.Make (SortedItem) in
+ fun l ->
+ let rev_l = List.rev l in
+ let (_, uniq_rev_l) =
+ List.fold_left
+ (fun (members, rev_l) elt ->
+ if Set.mem elt members then
+ (members, rev_l)
+ else
+ Set.add elt members, elt :: rev_l)
+ (Set.empty, []) rev_l
in
- let module Set = Set.Make (SortedItem) in
- fun l ->
- let rev_l = List.rev l in
- let (_, uniq_rev_l) =
+ List.rev uniq_rev_l
+
+(* "aux" keeps domain in reverse order and doesn't care about duplicates.
+ * Domain item more in deep in the list will be processed first.
+ *)
+let rec domain_rev_of_term ?(loc = dummy_floc) context = function
+ | CicNotationPt.AttributedTerm (`Loc loc, term) ->
+ domain_rev_of_term ~loc context term
+ | CicNotationPt.AttributedTerm (_, term) ->
+ domain_rev_of_term ~loc context term
+ | CicNotationPt.Appl terms ->
+ List.fold_left
+ (fun dom term -> domain_rev_of_term ~loc context term @ dom) [] terms
+ | CicNotationPt.Binder (kind, (var, typ), body) ->
+ let kind_dom =
+ match kind with
+ | `Exists -> [ Symbol ("exists", 0) ]
+ | _ -> []
+ in
+ let type_dom = domain_rev_of_term_option loc context typ in
+ let body_dom =
+ domain_rev_of_term ~loc
+ (CicNotationUtil.cic_name_of_name var :: context) body
+ in
+ body_dom @ type_dom @ kind_dom
+ | CicNotationPt.Case (term, indty_ident, outtype, branches) ->
+ let term_dom = domain_rev_of_term ~loc context term in
+ let outtype_dom = domain_rev_of_term_option loc context outtype in
+ let get_first_constructor = function
+ | [] -> []
+ | ((head, _, _), _) :: _ -> [ Id head ]
+ in
+ let do_branch ((head, _, args), term) =
+ let (term_context, args_domain) =
+ List.fold_left
+ (fun (cont, dom) (name, typ) ->
+ (CicNotationUtil.cic_name_of_name name :: cont,
+ (match typ with
+ | None -> dom
+ | Some typ -> domain_rev_of_term ~loc cont typ @ dom)))
+ (context, []) args
+ in
+ args_domain @ domain_rev_of_term ~loc term_context term
+ in
+ let branches_dom =
+ List.fold_left (fun dom branch -> do_branch branch @ dom) [] branches
+ in
+ branches_dom @ outtype_dom @ term_dom @
+ (match indty_ident with
+ | None -> get_first_constructor branches
+ | Some (ident, _) -> [ Id ident ])
+ | CicNotationPt.Cast (term, ty) ->
+ let term_dom = domain_rev_of_term ~loc context term in
+ let ty_dom = domain_rev_of_term ~loc context ty in
+ ty_dom @ term_dom
+ | CicNotationPt.LetIn ((var, typ), body, where) ->
+ let body_dom = domain_rev_of_term ~loc context body in
+ let type_dom = domain_rev_of_term_option loc context typ in
+ let where_dom =
+ domain_rev_of_term ~loc
+ (CicNotationUtil.cic_name_of_name var :: context) where
+ in
+ where_dom @ type_dom @ body_dom
+ | CicNotationPt.LetRec (kind, defs, where) ->
+ let context' =
List.fold_left
- (fun (members, rev_l) elt ->
- if Set.mem elt members then
- (members, rev_l)
- else
- Set.add elt members, elt :: rev_l)
- (Set.empty, []) rev_l
+ (fun acc ((var, typ), _, _) ->
+ CicNotationUtil.cic_name_of_name var :: acc)
+ context defs
in
- List.rev uniq_rev_l
- in
-
- rev_uniq
- (match ast with
- | CicAst.AttributedTerm (`Loc loc, term) -> aux loc context term
- | term -> aux (-1, -1) context term)
+ let where_dom = domain_rev_of_term ~loc context' where in
+ let defs_dom =
+ List.fold_left
+ (fun dom ((_, typ), body, _) ->
+ domain_rev_of_term ~loc context' body @
+ domain_rev_of_term_option loc context typ)
+ [] defs
+ in
+ where_dom @ defs_dom
+ | CicNotationPt.Ident (name, subst) ->
+ (try
+ let index = find_in_environment name context in
+ if subst <> None then
+ CicNotationPt.fail loc "Explicit substitutions not allowed here"
+ else
+ []
+ with Not_found ->
+ (match subst with
+ | None -> [Id name]
+ | Some subst ->
+ List.fold_left
+ (fun dom (_, term) ->
+ let dom' = domain_rev_of_term ~loc context term in
+ dom' @ dom)
+ [Id name] subst))
+ | CicNotationPt.Uri _ -> []
+ | CicNotationPt.Implicit -> []
+ | CicNotationPt.Num (num, i) -> [ Num i ]
+ | CicNotationPt.Meta (index, local_context) ->
+ List.fold_left
+ (fun dom term -> domain_rev_of_term_option loc context term @ dom) []
+ local_context
+ | CicNotationPt.Sort _ -> []
+ | CicNotationPt.Symbol (symbol, instance) -> [ Symbol (symbol, instance) ]
+ | CicNotationPt.UserInput
+ | CicNotationPt.Literal _
+ | CicNotationPt.Layout _
+ | CicNotationPt.Magic _
+ | CicNotationPt.Variable _ -> assert false
+
+and domain_rev_of_term_option loc context = function
+ | None -> []
+ | Some t -> domain_rev_of_term ~loc context t
+let domain_of_term ~context ast = rev_uniq (domain_rev_of_term context ast)
+
+let domain_of_obj ~context ast =
+ assert (context = []);
+ let domain_rev =
+ match ast with
+ | GrafiteAst.Theorem (_,_,ty,bo) ->
+ (match bo with
+ None -> []
+ | Some bo -> domain_rev_of_term [] bo) @
+ domain_of_term [] ty
+ | GrafiteAst.Inductive (params,tyl) ->
+ let dom =
+ List.flatten (
+ List.rev_map
+ (fun (_,_,ty,cl) ->
+ List.flatten (
+ List.rev_map
+ (fun (_,ty) -> domain_rev_of_term [] ty) cl) @
+ domain_rev_of_term [] ty) tyl) in
+ let dom =
+ List.fold_left
+ (fun dom (_,ty) ->
+ domain_rev_of_term [] ty @ dom
+ ) dom params
+ in
+ List.filter
+ (fun name ->
+ not ( List.exists (fun (name',_) -> name = Id name') params
+ || List.exists (fun (name',_,_,_) -> name = Id name') tyl)
+ ) dom
+ | GrafiteAst.Record (params,_,ty,fields) ->
+ let dom =
+ List.flatten
+ (List.rev_map (fun (_,ty) -> domain_rev_of_term [] ty) fields) in
+ let dom =
+ List.filter
+ (fun name->
+ not ( List.exists (fun (name',_) -> name = Id name') params
+ || List.exists (fun (name',_) -> name = Id name') fields)
+ ) dom
+ in
+ List.fold_left
+ (fun dom (_,ty) ->
+ domain_rev_of_term [] ty @ dom
+ ) (dom @ domain_rev_of_term [] ty) params
+ in
+ rev_uniq domain_rev
(* dom1 \ dom2 *)
let domain_diff dom1 dom2 =
in
List.filter (fun elt -> not (is_in_dom2 elt)) dom1
+module type Disambiguator =
+sig
+ val disambiguate_term :
+ ?fresh_instances:bool ->
+ dbd:Mysql.dbd ->
+ context:Cic.context ->
+ metasenv:Cic.metasenv ->
+ ?initial_ugraph:CicUniv.universe_graph ->
+ aliases:aliases -> (* previous interpretation status *)
+ CicNotationPt.term ->
+ (environment * (* new interpretation status *)
+ Cic.metasenv * (* new metasenv *)
+ Cic.term*
+ CicUniv.universe_graph) list * (* disambiguated term *)
+ bool
+
+ val disambiguate_obj :
+ ?fresh_instances:bool ->
+ dbd:Mysql.dbd ->
+ aliases:aliases -> (* previous interpretation status *)
+ uri:UriManager.uri option -> (* required only for inductive types *)
+ GrafiteAst.obj ->
+ (environment * (* new interpretation status *)
+ Cic.metasenv * (* new metasenv *)
+ Cic.obj *
+ CicUniv.universe_graph) list * (* disambiguated obj *)
+ bool
+end
+
module Make (C: Callbacks) =
struct
- let choices_of_id mqi_handle id =
- let query = MQueryGenerator.locate id in
- let result = MQueryInterpreter.execute mqi_handle query in
- let uris =
- List.map
- (function uri,_ ->
- MQueryMisc.wrong_xpointer_format_from_wrong_xpointer_format' uri
- ) result in
- let uris' =
+ let choices_of_id dbd id =
+ let uris = MetadataQuery.locate ~dbd id in
+ let uris =
match uris with
| [] ->
- [UriManager.string_of_uri (C.input_or_locate_uri
+ [(C.input_or_locate_uri
~title:("URI matching \"" ^ id ^ "\" unknown.") ~id ())]
| [uri] -> [uri]
| _ ->
in
List.map
(fun uri ->
- (uri,
+ (UriManager.string_of_uri uri,
let term =
try
- HelmLibraryObjects.term_of_uri (UriManager.uri_of_string uri)
- with _ -> assert false
+ CicUtil.term_of_uri uri
+ with exn ->
+ debug_print (UriManager.string_of_uri uri);
+ debug_print (Printexc.to_string exn);
+ assert false
in
fun _ _ _ -> term))
- uris'
+ uris
- let disambiguate_term mqi_handle context metasenv term ~aliases:current_env
+ let disambiguate_thing ~dbd ~context ~metasenv
+ ?(initial_ugraph = CicUniv.empty_ugraph) ~aliases
+ ~uri ~pp_thing ~domain_of_thing ~interpretate_thing ~refine_thing thing
=
- debug_print "NEW DISAMBIGUATE INPUT";
+ debug_print "DISAMBIGUATE INPUT";
+ let current_env, multi_aliases_env =
+ match aliases with
+ | false, e -> Environment.hd e, None
+ | true, e -> Environment.empty, Some e
+ in
let disambiguate_context = (* cic context -> disambiguate context *)
List.map
(function None -> Cic.Anonymous | Some (name, _) -> name)
context
in
- let term_dom = domain_of_term ~context:disambiguate_context term in
+ debug_print ("TERM IS: " ^ (pp_thing thing));
+ let thing_dom = domain_of_thing ~context:disambiguate_context thing in
debug_print (sprintf "DISAMBIGUATION DOMAIN: %s"
- (string_of_domain term_dom));
+ (string_of_domain thing_dom));
+ debug_print (sprintf "DISAMBIGUATION ENVIRONMENT: %s"
+ (DisambiguatePp.pp_environment (snd aliases)));
let current_dom =
Environment.fold (fun item _ dom -> item :: dom) current_env []
in
- let todo_dom = domain_diff term_dom current_dom in
+ let todo_dom = domain_diff thing_dom current_dom in
(* (2) lookup function for any item (Id/Symbol/Num) *)
let lookup_choices =
let id_choices = Hashtbl.create 1023 in
fun item ->
- let choices =
- match item with
- | Id id ->
- (try
- Hashtbl.find id_choices id
- with Not_found ->
- let choices = choices_of_id mqi_handle id in
- Hashtbl.add id_choices id choices;
- choices)
- | Symbol (symb, _) -> DisambiguateChoices.lookup_symbol_choices symb
- | Num instance -> DisambiguateChoices.lookup_num_choices ()
- in
- if choices = [] then raise (No_choices item);
- choices
+ let choices =
+ let lookup_in_library () =
+ match item with
+ | Id id -> choices_of_id dbd id
+ | Symbol (symb, _) ->
+ List.map DisambiguateChoices.mk_choice
+ (CicNotationRew.lookup_interpretations symb)
+ | Num instance ->
+ DisambiguateChoices.lookup_num_choices ()
+ in
+ match multi_aliases_env with
+ | None -> lookup_in_library ()
+ | Some e ->
+ (try
+ Environment.find item e
+ with Not_found -> lookup_in_library ())
+ in
+ if choices = [] then raise (No_choices item);
+ choices
+ in
+(*
+ (* <benchmark> *)
+ let _ =
+ if benchmark then begin
+ let per_item_choices =
+ List.map
+ (fun dom_item ->
+ try
+ let len = List.length (lookup_choices dom_item) in
+ debug_print (sprintf "BENCHMARK %s: %d"
+ (string_of_domain_item dom_item) len);
+ len
+ with No_choices _ -> 0)
+ thing_dom
+ in
+ max_refinements := List.fold_left ( * ) 1 per_item_choices;
+ actual_refinements := 0;
+ domain_size := List.length thing_dom;
+ choices_avg :=
+ (float_of_int !max_refinements) ** (1. /. float_of_int !domain_size)
+ end
in
+ (* </benchmark> *)
+*)
+
(* (3) test an interpretation filling with meta uninterpreted identifiers
*)
- let test_env current_env todo_dom univ =
+ let test_env current_env todo_dom ugraph =
let filled_env =
List.fold_left
(fun env item ->
- Environment.add item
- ("Implicit",
+ Environment.add item
+ ("Implicit",
(match item with
- | Id _ | Num _ -> (fun _ _ _ -> Cic.Implicit (Some `Closed))
- | Symbol _ -> (fun _ _ _ -> Cic.Implicit None))) env)
+ | Id _ | Num _ -> (fun _ _ _ -> Cic.Implicit (Some `Closed))
+ | Symbol _ -> (fun _ _ _ -> Cic.Implicit None))) env)
current_env todo_dom
in
try
- CicUniv.set_working univ;
- let cic_term =
- interpretate ~context:disambiguate_context ~env:filled_env term
+ let cic_thing =
+ interpretate_thing ~context:disambiguate_context ~env:filled_env
+ ~uri ~is_path:false thing
in
- let k = refine metasenv context cic_term in
- let new_univ = CicUniv.get_working () in
- (k , new_univ )
+ let k,ugraph1 = refine_thing metasenv context uri cic_thing ugraph in
+ (k , ugraph1 )
with
- | Try_again -> Uncertain,univ
- | DisambiguateChoices.Invalid_choice -> Ko,univ
+ | Try_again -> Uncertain, ugraph
+ | Invalid_choice -> Ko, ugraph
in
(* (4) build all possible interpretations *)
let rec aux current_env todo_dom base_univ =
match todo_dom with
| [] ->
(match test_env current_env [] base_univ with
- | Ok (term, metasenv),new_univ ->
- [ current_env, metasenv, term, new_univ ]
+ | Ok (thing, metasenv),new_univ ->
+ [ current_env, metasenv, thing, new_univ ]
| Ko,_ | Uncertain,_ -> [])
| item :: remaining_dom ->
debug_print (sprintf "CHOOSED ITEM: %s"
Environment.add item codomain_item current_env
in
(match test_env new_env remaining_dom univ with
- | Ok (term, metasenv),new_univ ->
+ | Ok (thing, metasenv),new_univ ->
(match remaining_dom with
- | [] -> [ new_env, metasenv, term, new_univ ]
+ | [] -> [ new_env, metasenv, thing, new_univ ]
| _ -> aux new_env remaining_dom new_univ )@
filter univ tl
| Uncertain,new_univ ->
in
filter base_univ choices
in
- let base_univ = CicUniv.get_working () in
+ let base_univ = initial_ugraph in
try
- match aux current_env todo_dom base_univ with
- | [] -> raise NoWellTypedInterpretation
- | [ e,me,t,u ] as l ->
- debug_print "UNA SOLA SCELTA";
- CicUniv.set_working u;
- [ e,me,t ]
- | l ->
- debug_print (sprintf "PIU' SCELTE (%d)" (List.length l));
- let choices =
- List.map
- (fun (env, _, _, _) ->
- List.map
- (fun domain_item ->
- let description =
- fst (Environment.find domain_item env)
- in
- (descr_of_domain_item domain_item, description))
- term_dom)
- l
- in
- let choosed = C.interactive_interpretation_choice choices in
- let l' = List.map (List.nth l) choosed in
- match l' with
- [] -> assert false
- | [e,me,t,u] ->
- CicUniv.set_working u;
- (*CicUniv.print_working_graph ();*)
- [e,me,t]
- | hd::tl -> (* ok, testlibrary... cosi' stampa MANY... bah *)
- List.map (fun (e,me,t,u) -> (e,me,t)) l'
+ let res =
+ match aux current_env todo_dom base_univ with
+ | [] -> raise NoWellTypedInterpretation
+ | [ e,me,t,u ] ->
+ debug_print "SINGLE INTERPRETATION";
+ [ e,me,t,u ], false
+ | l ->
+ debug_print (sprintf "MANY INTERPRETATIONS (%d)" (List.length l));
+ let choices =
+ List.map
+ (fun (env, _, _, _) ->
+ List.map
+ (fun domain_item ->
+ let description =
+ fst (Environment.find domain_item env)
+ in
+ (descr_of_domain_item domain_item, description))
+ thing_dom)
+ l
+ in
+ let choosed = C.interactive_interpretation_choice choices in
+ (List.map (List.nth l) choosed), true
+ in
+(*
+ (if benchmark then
+ let res_size = List.length res in
+ debug_print (sprintf
+ ("BENCHMARK: %d/%d refinements performed, domain size %d, interps %d, k %.2f\n" ^^
+ "BENCHMARK: estimated %.2f")
+ !actual_refinements !max_refinements !domain_size res_size
+ !choices_avg
+ (float_of_int (!domain_size - 1) *. !choices_avg *. (float_of_int res_size) +. !choices_avg)));
+*)
+ let choices, b = res in
+ (List.map
+ (fun (env, metasenv, t, ugraph) ->
+ Environment.fold Environment.cons env (snd aliases),
+ metasenv, t, ugraph)
+ choices),
+ b
with
CicEnvironment.CircularDependency s ->
- raise (Failure "e chi la becca sta CircularDependency?");
+ failwith "Disambiguate: circular dependency"
+
+ let disambiguate_term ?(fresh_instances=false) ~dbd ~context ~metasenv
+ ?(initial_ugraph = CicUniv.empty_ugraph) ~aliases term
+ =
+ let term =
+ if fresh_instances then CicNotationUtil.freshen_term term else term
+ in
+ disambiguate_thing ~dbd ~context ~metasenv ~initial_ugraph ~aliases
+ ~uri:None ~pp_thing:CicNotationPp.pp_term
+ ~domain_of_thing:domain_of_term ~interpretate_thing:interpretate_term
+ ~refine_thing:refine_term term
+
+ let disambiguate_obj ?(fresh_instances=false) ~dbd ~aliases ~uri obj =
+ let obj =
+ if fresh_instances then CicNotationUtil.freshen_obj obj else obj
+ in
+ disambiguate_thing ~dbd ~context:[] ~metasenv:[] ~aliases ~uri
+ ~pp_thing:GrafiteAstPp.pp_obj ~domain_of_thing:domain_of_obj
+ ~interpretate_thing:interpretate_obj ~refine_thing:refine_obj
+ obj
+ end
+
+module Trivial =
+struct
+ exception Ambiguous_term of string
+ exception Exit
+ module Callbacks =
+ struct
+ let interactive_user_uri_choice ~selection_mode ?ok
+ ?(enable_button_for_non_vars = true) ~title ~msg ~id uris =
+ raise Exit
+ let interactive_interpretation_choice interp = raise Exit
+ let input_or_locate_uri ~(title:string) ?id = raise Exit
end
+ module Disambiguator = Make (Callbacks)
+ let disambiguate_string ~dbd ?(context = []) ?(metasenv = []) ?initial_ugraph
+ ?(aliases = DisambiguateTypes.Environment.empty) term
+ =
+ let ast = CicNotationParser.parse_level2_ast (Stream.of_string term) in
+ try
+ fst (Disambiguator.disambiguate_term ~dbd ~context ~metasenv ast
+ ?initial_ugraph ~aliases:(false, aliases))
+ with Exit -> raise (Ambiguous_term term)
+end