~sep:[space] (List.map (fun x -> [f x]) l)
;;
-let pp_ast0 t k =
+let pp_ast0 status t k =
let rec aux =
function
| Ast.Appl ts ->
in
let match_box =
hvbox false false [
- hvbox false true [
+ hvbox false false [
hvbox false true [keyword "match"; space; break; top_pos (k what)];
break;
hvbox false true indty_box;
keyword "let"; space;
hvbox false true [
aux_var var; space;
- builtin_symbol "\\def"; break; top_pos (k s) ];
- break; space; keyword "in"; space ];
+ builtin_symbol "\\def"; break; top_pos (k s); space; keyword "in"; space ];
+ ];
break;
k t ])
| Ast.LetRec (rec_kind, funs, where) ->
and special_k = function
| Ast.AttributedTerm (attrs, t) -> Ast.AttributedTerm (attrs, k t)
| t ->
- prerr_endline ("unexpected special: " ^ NotationPp.pp_term t);
+ prerr_endline ("unexpected special: " ^ NotationPp.pp_term status t);
assert false
in
aux t
(* persistent state *)
-let initial_level1_patterns21 () = Hashtbl.create 211
-let level1_patterns21 = ref (initial_level1_patterns21 ())
-let compiled21 = ref None
-let pattern21_matrix = ref []
-let counter = ref ~-1
-
-let stack = ref [];;
-
-let push () =
- stack := (!counter,!level1_patterns21,!compiled21,!pattern21_matrix)::!stack;
- counter := ~-1;
- level1_patterns21 := initial_level1_patterns21 ();
- compiled21 := None;
- pattern21_matrix := []
-;;
-
-let pop () =
- match !stack with
- [] -> assert false
- | (ocounter,olevel1_patterns21,ocompiled21,opatterns21_matrix)::old ->
- stack := old;
- counter := ocounter;
- level1_patterns21 := olevel1_patterns21;
- compiled21 := ocompiled21;
- pattern21_matrix := opatterns21_matrix
-;;
-
-let get_compiled21 () =
- match !compiled21 with
+module IntMap = Map.Make(struct type t = int let compare = compare end);;
+
+type db = {
+ level1_patterns21: NotationPt.term IntMap.t;
+ compiled21: ((NotationPt.term -> (NotationEnv.t * NotationPt.term list * int) option)) Lazy.t option;
+ pattern21_matrix: (NotationPt.term * pattern_id) list;
+ counter: pattern_id
+}
+
+let initial_db = {
+ level1_patterns21 = IntMap.empty;
+ compiled21 = None;
+ pattern21_matrix = [];
+ counter = ~-1
+}
+
+class type g_status =
+ object
+ method content_pres_db: db
+ end
+
+class virtual status =
+ object
+ inherit NCic.status
+ val content_pres_db = initial_db
+ method content_pres_db = content_pres_db
+ method set_content_pres_db v = {< content_pres_db = v >}
+ method set_content_pres_status
+ : 'status. #g_status as 'status -> 'self
+ = fun o -> {< content_pres_db = o#content_pres_db >}
+ end
+
+let get_compiled21 status =
+ match status#content_pres_db.compiled21 with
| None -> assert false
| Some f -> Lazy.force f
-let set_compiled21 f = compiled21 := Some f
+let set_compiled21 status f =
+ status#set_content_pres_db
+ { status#content_pres_db with compiled21 = Some f }
let add_idrefs =
List.fold_right (fun idref t -> Ast.AttributedTerm (`IdRef idref, t))
in
subst_singleton `Left env l1
-let rec pp_ast1 term =
+let rec pp_ast1 status term =
let rec pp_value = function
| NotationEnv.NumValue _ as v -> v
| NotationEnv.StringValue _ as v -> v
-(* | NotationEnv.TermValue t when t == term -> NotationEnv.TermValue (pp_ast0 t pp_ast1) *)
- | NotationEnv.TermValue t -> NotationEnv.TermValue (pp_ast1 t)
+(* | NotationEnv.TermValue t when t == term -> NotationEnv.TermValue (pp_ast0 status t pp_ast1) *)
+ | NotationEnv.TermValue t -> NotationEnv.TermValue (pp_ast1 status t)
| NotationEnv.OptValue None as v -> v
| NotationEnv.OptValue (Some v) ->
NotationEnv.OptValue (Some (pp_value v))
(* prerr_endline ("pattern matching from 2 to 1 on term " ^ NotationPp.pp_term term); *)
match term with
| Ast.AttributedTerm (attrs, term') ->
- Ast.AttributedTerm (attrs, pp_ast1 term')
+ Ast.AttributedTerm (attrs, pp_ast1 status term')
| _ ->
- (match (get_compiled21 ()) term with
- | None -> pp_ast0 term pp_ast1
+ (match get_compiled21 status term with
+ | None -> pp_ast0 status term (pp_ast1 status)
| Some (env, ctors, pid) ->
let idrefs =
List.flatten (List.map NotationUtil.get_idrefs ctors)
in
let l1 =
try
- Hashtbl.find !level1_patterns21 pid
+ IntMap.find pid status#content_pres_db.level1_patterns21
with Not_found -> assert false
in
instantiate21 idrefs (ast_env_of_env env) l1)
-let load_patterns21 t =
- set_compiled21 (lazy (Content2presMatcher.Matcher21.compiler t))
+let load_patterns21 status t =
+ set_compiled21 status (lazy (Content2presMatcher.Matcher21.compiler t))
-let pp_ast ast =
+let pp_ast status ast =
debug_print (lazy "pp_ast <-");
- let ast' = pp_ast1 ast in
- debug_print (lazy ("pp_ast -> " ^ NotationPp.pp_term ast'));
+ let ast' = pp_ast1 status ast in
+ debug_print (lazy ("pp_ast -> " ^ NotationPp.pp_term status ast'));
ast'
-exception Pretty_printer_not_found
-
let fill_pos_info l1_pattern = l1_pattern
(* let rec aux toplevel pos =
function
in
aux true l1_pattern *)
-let fresh_id =
- fun () ->
- incr counter;
- !counter
+let fresh_id status =
+ let counter = status#content_pres_db.counter+1 in
+ status#set_content_pres_db ({ status#content_pres_db with counter = counter }), counter
-let add_pretty_printer l2 (CicNotationParser.CL1P (l1,precedence)) =
- let id = fresh_id () in
+let add_pretty_printer status l2 (CicNotationParser.CL1P (l1,precedence)) =
+ let status,id = fresh_id status in
let l1' = add_level_info precedence (fill_pos_info l1) in
let l2' = NotationUtil.strip_attributes l2 in
- Hashtbl.add !level1_patterns21 id l1';
- pattern21_matrix := (l2', id) :: !pattern21_matrix;
- load_patterns21 !pattern21_matrix;
- id
-
-let remove_pretty_printer id =
- (try
- Hashtbl.remove !level1_patterns21 id;
- with Not_found -> raise Pretty_printer_not_found);
- pattern21_matrix := List.filter (fun (_, id') -> id <> id') !pattern21_matrix;
- load_patterns21 !pattern21_matrix
+ let status =
+ status#set_content_pres_db
+ { status#content_pres_db with
+ level1_patterns21 =
+ IntMap.add id l1' status#content_pres_db.level1_patterns21;
+ pattern21_matrix = (l2',id)::status#content_pres_db.pattern21_matrix } in
+ load_patterns21 status status#content_pres_db.pattern21_matrix
(* presentation -> content *)
in
aux [] env
-let instantiate_level2 env term =
+let instantiate_level2 status env term =
(* prerr_endline ("istanzio: " ^ NotationPp.pp_term term); *)
let fresh_env = ref [] in
let lookup_fresh_name n =
new_name
in
let rec aux env term =
-(* prerr_endline ("ENV " ^ NotationPp.pp_env env); *)
match term with
| Ast.AttributedTerm (a, term) -> (*Ast.AttributedTerm (a, *)aux env term
| Ast.Appl terms -> Ast.Appl (List.map (aux env) terms)
and aux_meta_substs env meta_substs = List.map (aux_opt env) meta_substs
and aux_variable env = function
| Ast.NumVar name -> Ast.Num (Env.lookup_num env name, 0)
- | Ast.IdentVar name -> Ast.Ident (Env.lookup_string env name, None)
+ | Ast.IdentVar name ->
+ (match Env.lookup_string env name with
+ Env.Ident x -> Ast.Ident (x, None)
+ | Env.Var x -> Ast.Variable (Ast.IdentVar x))
| Ast.TermVar (name,(Ast.Level l|Ast.Self l)) ->
Ast.AttributedTerm (`Level l,Env.lookup_term env name)
| Ast.FreshVar name -> Ast.Ident (lookup_fresh_name name, None)
| _ ->
prerr_endline (sprintf
"lookup of %s in env %s did not return an optional value"
- name (NotationPp.pp_env env));
+ name (NotationPp.pp_env status env));
assert false))
| Ast.Fold (`Left, base_pattern, names, rec_pattern) ->
let acc_name = List.hd names in (* names can't be empty, cfr. parser *)
| _ -> assert false
in
aux env term
-
- (* initialization *)
-
-let _ = load_patterns21 []
-
-
-