1 (* Copyright (C) 2004-2005, HELM Team.
3 * This file is part of HELM, an Hypertextual, Electronic
4 * Library of Mathematics, developed at the Computer Science
5 * Department, University of Bologna, Italy.
7 * HELM is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
12 * HELM is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with HELM; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
22 * For details, see the HELM World-Wide-Web page,
23 * http://helm.cs.unibo.it/
32 if debug then prerr_endline (Lazy.force s);;
34 exception Ambiguous_input
35 (* the integer is an offset to be added to each location *)
36 exception DisambiguationError of
38 ((Stdpp.location list * string * string) list *
39 (DisambiguateTypes.domain_item * string) list *
40 (Stdpp.location * string) Lazy.t * bool) list list
41 (** parameters are: option name, error message *)
42 exception Unbound_identifier of string
44 let mono_uris_callback ~selection_mode ?ok
45 ?(enable_button_for_non_vars = true) ~title ~msg ~id =
46 if Helm_registry.get_opt_default Helm_registry.get_bool ~default:true
47 "matita.auto_disambiguation"
53 let mono_interp_callback _ _ _ = raise Ambiguous_input
55 let _choose_uris_callback = ref mono_uris_callback
56 let _choose_interp_callback = ref mono_interp_callback
57 let set_choose_uris_callback f = _choose_uris_callback := f
58 let set_choose_interp_callback f = _choose_interp_callback := f
62 let interactive_user_uri_choice = !_choose_uris_callback
64 let interactive_interpretation_choice interp =
65 !_choose_interp_callback interp
67 let input_or_locate_uri ~(title:string) ?id () = None
68 (* Zack: I try to avoid using this callback. I therefore assume that
69 * the presence of an identifier that can't be resolved via "locate"
70 * query is a syntax error *)
73 module Disambiguator = CicDisambiguate.Make (Callbacks)
75 (* implement module's API *)
77 let only_one_pass = ref false;;
79 let disambiguate_thing ~aliases ~universe
80 ~(f:?fresh_instances:bool ->
81 aliases:'term DisambiguateTypes.environment ->
82 universe:'term DisambiguateTypes.multiple_environment option ->
84 ~(drop_aliases: ?minimize_instances:bool -> 'b -> 'b)
85 ~(drop_aliases_and_clear_diff: 'b -> 'b)
88 assert (universe <> None);
89 let library = false, DisambiguateTypes.Environment.empty, None in
90 let multi_aliases = false, DisambiguateTypes.Environment.empty, universe in
91 let mono_aliases = true, aliases, Some DisambiguateTypes.Environment.empty in
92 let passes = (* <fresh_instances?, aliases, coercions?> *)
93 if !only_one_pass then
94 [ (true, mono_aliases, false) ]
96 [ (true, mono_aliases, false);
97 (true, multi_aliases, false);
98 (true, mono_aliases, true);
99 (true, multi_aliases, true);
100 (true, library, false);
101 (* for demo to reduce the number of interpretations *)
102 (true, library, true);
105 let try_pass (fresh_instances, (_, aliases, universe), insert_coercions) =
106 CicRefine.insert_coercions := insert_coercions;
107 f ~fresh_instances ~aliases ~universe thing
109 let set_aliases (instances,(use_mono_aliases,_,_),_) (_, user_asked as res) =
110 if use_mono_aliases then
111 drop_aliases ~minimize_instances:true res (* one shot aliases *)
112 else if user_asked then
113 drop_aliases ~minimize_instances:true res (* one shot aliases *)
115 drop_aliases_and_clear_diff res
117 let rec aux i errors passes =
118 debug_print (lazy ("Pass: " ^ string_of_int i));
122 set_aliases pass (try_pass pass)
123 with Disambiguate.NoWellTypedInterpretation (offset,newerrors) ->
124 raise (DisambiguationError (offset, errors @ [newerrors])))
127 set_aliases hd (try_pass hd)
128 with Disambiguate.NoWellTypedInterpretation (_offset,newerrors) ->
129 aux (i+1) (errors @ [newerrors]) tl)
132 let saved_insert_coercions = !CicRefine.insert_coercions in
134 let res = aux 1 [] passes in
135 CicRefine.insert_coercions := saved_insert_coercions;
138 CicRefine.insert_coercions := saved_insert_coercions;
141 type disambiguator_thing =
144 aliases:'term DisambiguateTypes.environment ->
145 universe:'term DisambiguateTypes.multiple_environment option ->
146 f:(?fresh_instances:bool ->
147 aliases:'term DisambiguateTypes.environment ->
148 universe:'term DisambiguateTypes.multiple_environment option ->
150 drop_aliases:(?minimize_instances:bool -> 'b * bool -> 'b * bool) ->
151 drop_aliases_and_clear_diff:('b * bool -> 'b * bool) -> 'a -> 'b * bool
154 let disambiguate_thing =
155 let profiler = HExtlib.profile "disambiguate_thing" in
157 fun ~aliases ~universe ~f ~drop_aliases ~drop_aliases_and_clear_diff thing
158 -> profiler.HExtlib.profile
159 (disambiguate_thing ~aliases ~universe ~f ~drop_aliases
160 ~drop_aliases_and_clear_diff) thing
163 let drop_aliases ?(minimize_instances=false) (choices, user_asked) =
164 let module D = DisambiguateTypes in
166 if not minimize_instances then
172 | (D.Symbol (s,n),((descr,_) as ci)) as he::tl when n > 0 ->
176 (D.Symbol (s2,_),(descr2,_)) -> s2 <> s || descr = descr2
180 (D.Symbol (s,0),ci)::(aux tl)
183 | (D.Num n,((descr,_) as ci)) as he::tl when n > 0 ->
186 (function (D.Num _,(descr2,_)) -> descr = descr2 | _ -> true) d
188 (D.Num 0,ci)::(aux tl)
191 | he::tl -> he::(aux tl)
195 (List.map (fun (d, a, b, c, e) -> minimize d, a, b, c, e) choices),
198 let drop_aliases_and_clear_diff (choices, user_asked) =
199 (List.map (fun (_, a, b, c, d) -> [], a, b, c, d) choices),
202 let disambiguate_term ?fresh_instances ~context ~metasenv ~subst ?goal ?initial_ugraph ~aliases ~universe ~lookup_in_library term
204 assert (fresh_instances = None);
206 Disambiguator.disambiguate_term ~lookup_in_library ~context ~metasenv ~subst ?goal ?initial_ugraph
208 disambiguate_thing.do_it ~aliases ~universe ~f ~drop_aliases
209 ~drop_aliases_and_clear_diff term
211 let disambiguate_obj ?fresh_instances ~aliases ~universe ~uri ~lookup_in_library obj =
212 assert (fresh_instances = None);
213 let f = Disambiguator.disambiguate_obj ~lookup_in_library ~uri in
214 disambiguate_thing.do_it ~aliases ~universe ~f ~drop_aliases
215 ~drop_aliases_and_clear_diff obj