2 ||M|| This file is part of HELM, an Hypertextual, Electronic
3 ||A|| Library of Mathematics, developed at the Computer Science
4 ||T|| Department, University of Bologna, Italy.
6 ||T|| HELM is free software; you can redistribute it and/or
7 ||A|| modify it under the terms of the GNU General Public License
8 \ / version 2 or (at your option) any later version.
9 \ / This software is distributed as is, NO WARRANTY.
10 V_______________________________________________________________ *)
14 exception DisambiguationError of
16 ((Stdpp.location list * string * string) list *
17 (DisambiguateTypes.domain_item * string) list *
18 (Stdpp.location * string) Lazy.t * bool) list list
24 if debug then prerr_endline (Lazy.force s);;
28 let interactive_user_uri_choice ~selection_mode ?ok
29 ?(enable_button_for_non_vars = true) ~title ~msg ~id uris =
32 let interactive_interpretation_choice interp =
35 let input_or_locate_uri ~(title:string) ?id () =
39 module Disambiguator = NDisambiguate.Make (Callbacks)
41 let only_one_pass = ref false;;
43 let disambiguate_thing ~aliases ~universe
44 ~(f:?fresh_instances:bool ->
45 aliases:NCic.term DisambiguateTypes.environment ->
46 universe:NCic.term DisambiguateTypes.multiple_environment option ->
48 ~(drop_aliases: ?minimize_instances:bool -> 'b -> 'b)
49 ~(drop_aliases_and_clear_diff: 'b -> 'b)
52 assert (universe <> None);
53 let library = false, DisambiguateTypes.Environment.empty, None in
54 let multi_aliases = false, DisambiguateTypes.Environment.empty, universe in
55 let mono_aliases = true, aliases, Some DisambiguateTypes.Environment.empty in
56 let passes = (* <fresh_instances?, aliases, coercions?> *)
57 if !only_one_pass then
58 [ (true, mono_aliases, false) ]
60 [ (true, mono_aliases, false);
61 (true, multi_aliases, false);
62 (true, mono_aliases, true);
63 (true, multi_aliases, true);
64 (true, library, false);
65 (* for demo to reduce the number of interpretations *)
66 (true, library, true);
69 let try_pass (fresh_instances, (_, aliases, universe), insert_coercions) =
70 CicRefine.insert_coercions := insert_coercions;
71 f ~fresh_instances ~aliases ~universe thing
73 let set_aliases (instances,(use_mono_aliases,_,_),_) (_, user_asked as res) =
74 if use_mono_aliases then
75 drop_aliases ~minimize_instances:true res (* one shot aliases *)
76 else if user_asked then
77 drop_aliases ~minimize_instances:true res (* one shot aliases *)
79 drop_aliases_and_clear_diff res
81 let rec aux i errors passes =
82 debug_print (lazy ("Pass: " ^ string_of_int i));
86 set_aliases pass (try_pass pass)
87 with Disambiguate.NoWellTypedInterpretation (offset,newerrors) ->
88 raise (DisambiguationError (offset, errors @ [newerrors])))
91 set_aliases hd (try_pass hd)
92 with Disambiguate.NoWellTypedInterpretation (_offset,newerrors) ->
93 aux (i+1) (errors @ [newerrors]) tl)
96 let saved_insert_coercions = !CicRefine.insert_coercions in
98 let res = aux 1 [] passes in
99 CicRefine.insert_coercions := saved_insert_coercions;
102 CicRefine.insert_coercions := saved_insert_coercions;
105 type disambiguator_thing =
108 aliases:NCic.term DisambiguateTypes.environment ->
109 universe:NCic.term DisambiguateTypes.multiple_environment option ->
110 f:(?fresh_instances:bool ->
111 aliases:NCic.term DisambiguateTypes.environment ->
112 universe:NCic.term DisambiguateTypes.multiple_environment option ->
114 drop_aliases:(?minimize_instances:bool -> 'b * bool -> 'b * bool) ->
115 drop_aliases_and_clear_diff:('b * bool -> 'b * bool) -> 'a -> 'b * bool
118 let disambiguate_thing =
119 let profiler = HExtlib.profile "disambiguate_thing" in
121 fun ~aliases ~universe ~f ~drop_aliases ~drop_aliases_and_clear_diff thing
122 -> profiler.HExtlib.profile
123 (disambiguate_thing ~aliases ~universe ~f ~drop_aliases
124 ~drop_aliases_and_clear_diff) thing
127 let drop_aliases ?(minimize_instances=false) (choices, user_asked) =
128 let module D = DisambiguateTypes in
130 if not minimize_instances then
136 | (D.Symbol (s,n),((descr,_) as ci)) as he::tl when n > 0 ->
140 (D.Symbol (s2,_),(descr2,_)) -> s2 <> s || descr = descr2
144 (D.Symbol (s,0),ci)::(aux tl)
147 | (D.Num n,((descr,_) as ci)) as he::tl when n > 0 ->
150 (function (D.Num _,(descr2,_)) -> descr = descr2 | _ -> true) d
152 (D.Num 0,ci)::(aux tl)
155 | he::tl -> he::(aux tl)
159 (List.map (fun (d, a, b, c) -> minimize d, a, b, c) choices),
162 let drop_aliases_and_clear_diff (choices, user_asked) =
163 (List.map (fun (_, a, b, c) -> [], a, b, c) choices),
166 let disambiguate_term ~context ~metasenv ~subst ?goal
167 ~aliases ~universe term
170 Disambiguator.disambiguate_term ~context ~metasenv ~subst ?goal
171 ~lookup_in_library:(fun _ _ -> assert false)
173 disambiguate_thing.do_it ~aliases ~universe ~f ~drop_aliases
174 ~drop_aliases_and_clear_diff term
176 let disambiguate_obj ~aliases ~universe ~uri obj =
178 assert (fresh_instances = None);
179 let f = Disambiguator.disambiguate_obj ~uri ~lookup_in_library:(fun _ _ -> assert false) in
180 disambiguate_thing.do_it ~aliases ~universe ~f ~drop_aliases
181 ~drop_aliases_and_clear_diff obj