open DisambiguateTypes
open UriManager
-exception Invalid_choice
exception No_choices of domain_item
exception NoWellTypedInterpretation
| Symbol (s, _) -> s
| Num i -> string_of_int i
-let symbol_choices = Hashtbl.create 1023
-let num_choices = ref []
-
-let add_symbol_choice symbol codomain_item =
- let current_choices =
- try
- Hashtbl.find symbol_choices symbol
- with Not_found -> []
- in
- Hashtbl.replace symbol_choices symbol (codomain_item :: current_choices)
-let add_num_choice choice = num_choices := choice :: !num_choices
-
type test_result =
| Ok of Cic.term * Cic.metasenv
| Ko
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
+ let term', _, metasenv' = CicRefine.type_of_aux' metasenv context term in
Ok (term', metasenv')
with
- | CicRefine.MutCaseFixAndCofixRefineNotImplemented ->
- (* TODO remove this case as soon as refine is fully implemented *)
- (try
- debug_print (Printf.sprintf "TYPE CHECKER %s" (CicPp.ppterm term));
- let term' = CicTypeChecker.type_of_aux' metasenv context term in
- Ok (term',metasenv)
-(* with _ -> Ko) *)
- with _ -> Uncertain)
| CicRefine.Uncertain _ ->
debug_print ("%%% UNCERTAIN!!! " ^ CicPp.ppterm term) ;
Uncertain
- | _ ->
+ | CicRefine.RefineFailure _ ->
debug_print ("%%% PRUNED!!! " ^ CicPp.ppterm term) ;
Ko
let resolve (env: environment) (item: domain_item) ?(num = "") ?(args = []) () =
- snd (Environment.find item env) env num args
+ try
+ snd (Environment.find item env) env num args
+ with Not_found -> assert false
(* TODO move it to Cic *)
let find_in_environment name context =
let interpretate ~context ~env ast =
let rec aux loc context = function
- | CicTextualParser2Ast.LocatedTerm (loc, term) -> aux loc context term
- | CicTextualParser2Ast.Appl terms -> Cic.Appl (List.map (aux loc context) terms)
- | CicTextualParser2Ast.Appl_symbol (symb, i, args) ->
+ | CicAst.AttributedTerm (`Loc loc, term) ->
+ aux loc context term
+ | CicAst.AttributedTerm (_, term) -> aux loc context term
+ | CicAst.Appl (CicAst.Symbol (symb, i) :: args) ->
let cic_args = List.map (aux loc context) args in
resolve env (Symbol (symb, i)) ~args:cic_args ()
- | CicTextualParser2Ast.Binder (binder_kind, var, typ, body) ->
+ | 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
(match binder_kind with
| `Exists ->
resolve env (Symbol ("exists", 0))
~args:[ cic_type; Cic.Lambda (var, cic_type, cic_body) ] ())
- | CicTextualParser2Ast.Case (term, indty_ident, outtype, branches) ->
+ | CicAst.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 (pat, term) =
+ let do_branch ((head, args), term) =
let rec do_branch' context = function
| [] -> aux loc context term
- | hd :: tl ->
- let cic_body = do_branch' (Cic.Name hd :: context) tl in
- Cic.Lambda (Cic.Name hd, Cic.Implicit, cic_body)
+ | (name, typ) :: tl ->
+ let cic_body = do_branch' (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)
in
- match pat with
- | _ :: tl -> (* ignoring constructor *) do_branch' context tl
- | [] -> assert false
+ do_branch' context args
in
let (indtype_uri, indtype_no) =
- match resolve env (Id indty_ident) () with
- | Cic.MutInd (uri, tyno, _) -> uri, tyno
- | Cic.Implicit -> raise Try_again
- | _ -> raise Invalid_choice
+ match indty_ident with
+ | 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)
+ | None ->
+ let fst_constructor =
+ match branches with
+ | ((head, _), _) :: _ -> head
+ | [] -> raise DisambiguateChoices.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)
in
Cic.MutCase (indtype_uri, indtype_no, cic_outtype, cic_term,
(List.map do_branch branches))
- | CicTextualParser2Ast.LetIn (var, def, body) ->
+ | CicAst.LetIn ((name, typ), def, body) ->
let cic_def = aux loc context def in
- let name = Cic.Name var 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)
- | CicTextualParser2Ast.LetRec (kind, defs, body) ->
+ | CicAst.LetRec (kind, defs, body) ->
let context' =
- List.fold_left (fun acc (var, _, _, _) -> Cic.Name var :: acc)
+ List.fold_left (fun acc ((name, _), _, _) -> name :: acc)
context defs
in
let cic_body = aux loc context' body in
let inductiveFuns =
List.map
- (fun (var, body, typ, decr_idx) ->
+ (fun ((name, typ), body, decr_idx) ->
let cic_body = aux loc context' body in
let cic_type = aux_option loc context typ in
- (var, decr_idx, cic_type, cic_body))
+ let name =
+ match name with
+ | Cic.Anonymous ->
+ CicTextualParser2.fail loc
+ "Recursive functions cannot be anonymous"
+ | Cic.Name name -> name
+ in
+ (name, decr_idx, cic_type, cic_body))
defs
in
- let counter = ref 0 in
+ let counter = ref ~-1 in
let build_term funs =
(* this is the body of the fold_right function below. Rationale: Fix
* and CoFix cases differs only in an additional index in the
- * indcutiveFun list, see Cic.term *)
+ * inductiveFun list, see Cic.term *)
match kind with
| `Inductive ->
(fun (var, _, _, _) cic ->
List.map (fun (name, _, typ, body) -> (name, typ, body)) funs
in
(fun (var, _, _, _) cic ->
+ incr counter;
Cic.LetIn (Cic.Name var, Cic.CoFix (!counter, funs), cic))
in
List.fold_right (build_term inductiveFuns) inductiveFuns cic_body
- | CicTextualParser2Ast.Ident (name, subst) ->
- (* TODO hanlde explicit substitutions *)
+ | CicAst.Ident (name, subst) ->
(try
let index = find_in_environment name context in
- if subst <> [] then
- CicTextualParser2.fail loc "Explicit substitutions not allowed here";
+ if subst <> None then
+ CicTextualParser2.fail loc
+ "Explicit substitutions not allowed here";
Cic.Rel index
- with Not_found -> resolve env (Id name) ())
- | CicTextualParser2Ast.Num (num, i) -> resolve env (Num i) ~num ()
- | CicTextualParser2Ast.Meta (index, subst) ->
+ with Not_found ->
+ let cic = resolve env (Id name) () in
+ let mk_subst uris =
+ let ids_to_uris =
+ List.map (fun uri -> UriManager.name_of_uri uri, uri) uris
+ in
+ (match subst with
+ | Some subst ->
+ List.map
+ (fun (s, term) ->
+ (try
+ List.assoc s ids_to_uris, aux loc context term
+ with Not_found ->
+ raise DisambiguateChoices.Invalid_choice))
+ subst
+ | None -> List.map (fun uri -> uri, Cic.Implicit None) uris)
+ in
+ (match cic with
+ | Cic.Const (uri, []) ->
+ let uris =
+ match CicEnvironment.get_obj uri with
+ | Cic.Constant (_, _, _, uris) -> uris
+ | _ -> assert false
+ in
+ Cic.Const (uri, mk_subst uris)
+ | Cic.Var (uri, []) ->
+ let uris =
+ match CicEnvironment.get_obj uri with
+ | Cic.Variable (_, _, _, uris) -> uris
+ | _ -> assert false
+ in
+ Cic.Var (uri, mk_subst uris)
+ | Cic.MutInd (uri, i, []) ->
+ let uris =
+ match CicEnvironment.get_obj uri with
+ | Cic.InductiveDefinition (_, uris, _) -> uris
+ | _ -> assert false
+ in
+ Cic.MutInd (uri, i, mk_subst uris)
+ | Cic.MutConstruct (uri, i, j, []) ->
+ let uris =
+ match CicEnvironment.get_obj uri with
+ | Cic.InductiveDefinition (_, uris, _) -> uris
+ | _ -> assert false
+ in
+ Cic.MutConstruct (uri, i, j, mk_subst uris)
+ | Cic.Meta _ | Cic.Implicit _ as t ->
+(*
+ prerr_endline (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)
+ subst)));
+*)
+ t
+ | _ ->
+ raise DisambiguateChoices.Invalid_choice))
+ | CicAst.Implicit -> Cic.Implicit None
+ | CicAst.Num (num, i) -> resolve env (Num i) ~num ()
+ | CicAst.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)
- | CicTextualParser2Ast.Sort `Prop -> Cic.Sort Cic.Prop
- | CicTextualParser2Ast.Sort `Set -> Cic.Sort Cic.Set
- | CicTextualParser2Ast.Sort `Type -> Cic.Sort Cic.Type
- | CicTextualParser2Ast.Sort `CProp -> Cic.Sort Cic.CProp
+ | 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) ->
+ resolve env (Symbol (symbol, instance)) ()
and aux_option loc context = function
- | None -> Cic.Implicit
+ | None -> Cic.Implicit (Some `Type)
| Some term -> aux loc context term
in
match ast with
- | CicTextualParser2Ast.LocatedTerm (loc, term) -> aux loc context term
- | _ -> assert false
+ | CicAst.AttributedTerm (`Loc loc, term) -> aux loc context term
+ | term -> aux (-1, -1) 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
- | CicTextualParser2Ast.LocatedTerm (_, term) -> aux loc context term
- | CicTextualParser2Ast.Appl terms ->
- List.fold_left (fun dom term -> Domain.union dom (aux loc context term))
- Domain.empty terms
- | CicTextualParser2Ast.Appl_symbol (symb, i, args) ->
- List.fold_left (fun dom term -> Domain.union dom (aux loc context term))
- (Domain.singleton (Symbol (symb, i))) args
- | CicTextualParser2Ast.Binder (_, var, typ, body) ->
+ | 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
- Domain.union type_dom body_dom
- | CicTextualParser2Ast.Case (term, indty_ident, outtype, branches) ->
+ 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 (pat, term) =
- match pat with
- | _ :: tl ->
- aux loc
- (List.fold_left (fun acc var -> (Cic.Name var) :: acc)
- context tl)
- term
- | [] -> assert false
+ 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 -> Domain.union dom (do_branch branch))
- Domain.empty branches
+ List.fold_left (fun dom branch -> do_branch branch @ dom) [] branches
in
- Domain.add (Id indty_ident)
- (Domain.union outtype_dom (Domain.union term_dom branches_dom))
- | CicTextualParser2Ast.LetIn (var, body, where) ->
+ 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 where_dom = aux loc (Cic.Name var :: context) where in
- Domain.union body_dom where_dom
- | CicTextualParser2Ast.LetRec (kind, defs, where) ->
+ 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, _, _, _) -> Cic.Name var :: acc)
+ 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 (_, body, typ, _) ->
- Domain.union (aux loc context' body) (aux_option loc context typ))
- Domain.empty defs
+ (fun dom ((_, typ), body, _) ->
+ aux loc context' body @ aux_option loc context typ)
+ [] defs
in
- Domain.union where_dom defs_dom
- | CicTextualParser2Ast.Ident (name, subst) ->
- (* TODO hanlde explicit substitutions *)
+ where_dom @ defs_dom
+ | CicAst.Ident (name, subst) ->
(try
let index = find_in_environment name context in
- if subst <> [] then
- CicTextualParser2.fail loc "Explicit substitutions not allowed here";
- Domain.empty
- with Not_found -> Domain.singleton (Id name))
- | CicTextualParser2Ast.Num (num, i) -> Domain.singleton (Num i)
- | CicTextualParser2Ast.Meta (index, local_context) ->
- List.fold_left
- (fun dom term -> Domain.union dom (aux_option loc context term))
- Domain.empty local_context
- | CicTextualParser2Ast.Sort _ -> Domain.empty
+ 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) ]
+
and aux_option loc context = function
- | None -> Domain.empty
+ | None -> []
| Some t -> aux loc context t
in
- match ast with
- | CicTextualParser2Ast.LocatedTerm (loc, term) -> aux loc context term
- | _ -> assert false
+
+ (* 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
+ 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)
+
+
+ (* dom1 \ dom2 *)
+let domain_diff dom1 dom2 =
+(* let domain_diff = Domain.diff *)
+ let is_in_dom2 =
+ List.fold_left (fun pred elt -> (fun elt' -> elt' = elt || pred elt'))
+ (fun _ -> false) dom2
+ in
+ List.filter (fun elt -> not (is_in_dom2 elt)) dom1
module Make (C: Callbacks) =
struct
(function uri,_ ->
MQueryMisc.wrong_xpointer_format_from_wrong_xpointer_format' uri
) result in
- C.output_html (`Msg (`T "Locate query:"));
- MQueryUtil.text_of_query
- (fun s -> C.output_html ~append_NL:false (`Msg (`T s)))
- "" query;
- C.output_html (`Msg (`T "Result:"));
- MQueryUtil.text_of_result
- (fun s -> C.output_html (`Msg (`T s))) "" result;
let uris' =
match uris with
| [] ->
| [uri] -> [uri]
| _ ->
C.interactive_user_uri_choice ~selection_mode:`MULTIPLE
- ~ok:"Try every selection." ~enable_button_for_non_vars:true
+ ~ok:"Try selected." ~enable_button_for_non_vars:true
~title:"Ambiguous input." ~id
~msg: ("Ambiguous input \"" ^ id ^
"\". Please, choose one or more interpretations:")
let disambiguate_term mqi_handle context metasenv term ~aliases:current_env
=
- let current_dom = (* TODO temporary, remove ASAP *)
- Environment.fold (fun item _ dom -> Domain.add item dom)
- current_env Domain.empty
- in
debug_print "NEW DISAMBIGUATE INPUT";
let disambiguate_context = (* cic context -> disambiguate context *)
List.map
let term_dom = domain_of_term ~context:disambiguate_context term in
debug_print (sprintf "DISAMBIGUATION DOMAIN: %s"
(string_of_domain term_dom));
- let todo_dom = Domain.diff term_dom current_dom in
+ let current_dom =
+ Environment.fold (fun item _ dom -> item :: dom) current_env []
+ in
+ let todo_dom = domain_diff term_dom current_dom in
(* (2) lookup function for any item (Id/Symbol/Num) *)
let lookup_choices =
let id_choices = Hashtbl.create 1023 in
let choices = choices_of_id mqi_handle id in
Hashtbl.add id_choices id choices;
choices)
- | Symbol (symb, _) ->
- (try Hashtbl.find symbol_choices symb with Not_found -> [])
- | Num instance -> !num_choices
+ | Symbol (symb, _) -> DisambiguateChoices.lookup_symbol_choices symb
+ | Num instance -> DisambiguateChoices.lookup_num_choices ()
in
if choices = [] then raise (No_choices item);
choices
*)
let test_env current_env todo_dom =
let filled_env =
- Domain.fold
- (fun item env ->
- Environment.add item ("Implicit", fun _ _ _ -> Cic.Implicit) env)
- todo_dom current_env
+ List.fold_left
+ (fun env item ->
+ Environment.add item
+ ("Implicit",
+ (match item with
+ | Id _ | Num _ -> (fun _ _ _ -> Cic.Implicit (Some `Closed))
+ | Symbol _ -> (fun _ _ _ -> Cic.Implicit None))) env)
+ current_env todo_dom
in
try
let cic_term =
refine metasenv context cic_term
with
| Try_again -> Uncertain
- | Invalid_choice -> Ko
+ | DisambiguateChoices.Invalid_choice -> Ko
in
(* (4) build all possible interpretations *)
let rec aux current_env todo_dom =
- if Domain.is_empty todo_dom then
- match test_env current_env Domain.empty with
- | Ok (term, metasenv) -> [ current_env, term, metasenv ]
- | Ko | Uncertain -> []
- else
- let item = Domain.choose todo_dom in
- let remaining_dom = Domain.remove item todo_dom in
- debug_print (sprintf "CHOOSED ITEM: %s" (string_of_domain_item item));
- let choices = lookup_choices item in
- let rec filter = function
- | [] -> []
- | codomain_item :: tl ->
- let new_env = Environment.add item codomain_item current_env in
- (match test_env new_env remaining_dom with
- | Ok (term, metasenv) ->
- (if Domain.is_empty remaining_dom then
- [ new_env, term, metasenv ]
- else
- aux new_env remaining_dom)
- @ filter tl
- | Uncertain ->
- (if Domain.is_empty remaining_dom then
- []
- else
- aux new_env remaining_dom)
- @ filter tl
- | Ko -> filter tl)
- in
- filter choices
- in
- let (choosed_env, choosed_term, choosed_metasenv) =
- match aux current_env todo_dom with
- | [] -> raise NoWellTypedInterpretation
- | [ x ] ->
- debug_print "UNA SOLA SCELTA";
- x
- | 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))
- (Domain.elements term_dom))
- l
+ match todo_dom with
+ | [] ->
+ (match test_env current_env [] with
+ | Ok (term, metasenv) -> [ current_env, metasenv, term ]
+ | Ko | Uncertain -> [])
+ | item :: remaining_dom ->
+ debug_print (sprintf "CHOOSED ITEM: %s"
+ (string_of_domain_item item));
+ let choices = lookup_choices item in
+ let rec filter = function
+ | [] -> []
+ | codomain_item :: tl ->
+ debug_print (sprintf "%s CHOSEN" (fst codomain_item)) ;
+ let new_env =
+ Environment.add item codomain_item current_env
+ in
+ (match test_env new_env remaining_dom with
+ | Ok (term, metasenv) ->
+ (match remaining_dom with
+ | [] -> [ new_env, metasenv, term ]
+ | _ -> aux new_env remaining_dom) @ filter tl
+ | Uncertain ->
+ (match remaining_dom with
+ | [] -> []
+ | _ -> aux new_env remaining_dom) @ filter tl
+ | Ko -> filter tl)
in
- let choosed = C.interactive_interpretation_choice choices in
- List.nth l choosed
+ filter choices
in
- (choosed_env, choosed_metasenv, choosed_term)
+ match aux current_env todo_dom with
+ | [] -> raise NoWellTypedInterpretation
+ | [ _ ] as l ->
+ debug_print "UNA SOLA SCELTA";
+ l
+ | 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
+ List.map (List.nth l) choosed
end
projects / helm.git / blobdiff