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/
30 let debug = ref false;;
32 if !debug then prerr_endline (Lazy.force s) else ();;
34 exception DisambiguationError of
36 ((Stdpp.location list * string * string) list *
37 (DisambiguateTypes.domain_item * string) list *
38 (Stdpp.location * string) Lazy.t * bool) list list
39 (** parameters are: option name, error message *)
41 (* implement module's API *)
43 let only_one_pass = ref false;;
44 let use_library = ref false;;
46 let passes () = (* <fresh_instances?, aliases, coercions?> *)
47 if !only_one_pass then
48 [ (true, `Mono, false) ]
49 else if !use_library then
50 [ (true, `Library, false);
51 (* for demo to reduce the number of interpretations *)
52 (true, `Library, true);
55 [ (true, `Multi, true); ]
57 [ (true, `Mono, false);
58 (true, `Multi, false);
64 (* XXX is this useful anymore? *)
65 let drop_aliases ?(minimize_instances=false) ~description_of_alias
68 let module D = DisambiguateTypes in
69 let compare ci1 ci2 = description_of_alias ci1 = description_of_alias ci2 in
71 if not minimize_instances then
77 (* now it's ALWAYS None
78 | (D.Symbol (s,n),ci1) as he::tl when n <> None ->
82 (D.Symbol (s2,_),ci2) -> s2 <> s || compare ci1 ci2
86 (D.Symbol (s,None),ci1)::(aux tl)
89 | (D.Num n,ci1) as he::tl when n <> None ->
92 (function (D.Num _,ci2) -> compare ci1 ci2 | _ -> true) d
94 (D.Num None,ci1)::(aux tl)
97 | he::tl -> he::(aux tl)
101 (List.map (fun (t, d, a, b, c, e) -> t, minimize d, a, b, c, e) choices),
104 let drop_aliases_and_clear_diff (choices, user_asked) =
105 (List.map (fun (t,_, a, b, c, d) -> t,[], a, b, c, d) choices),
108 (*let disambiguate_thing ~description_of_alias ~passes ~aliases ~universe ~visit ~f thing
110 let library = false, DisambiguateTypes.InterprEnv.empty,
111 DisambiguateTypes.Environment.empty in
112 let multi_aliases = false, DisambiguateTypes.InterprEnv.empty, universe in
113 let mono_aliases = true, aliases, DisambiguateTypes.Environment.empty in
116 (function (fresh_instances,env,use_coercions) ->
118 (match env with `Mono -> mono_aliases | `Multi -> multi_aliases |
119 `Library -> library),
120 use_coercions) passes in
121 let try_pass (fresh_instances, (_, aliases, universe), use_coercions) =
122 f ~fresh_instances ~aliases ~universe ~use_coercions thing
124 let set_aliases (instances,(use_mono_aliases,_,_),_) (_, user_asked as res) =
125 if use_mono_aliases then
126 drop_aliases ~minimize_instances:true ~description_of_alias res (* one shot aliases *)
127 else if user_asked then
128 drop_aliases ~minimize_instances:true ~description_of_alias res (* one shot aliases *)
130 drop_aliases_and_clear_diff res
132 let rec aux i errors passes =
133 debug_print (lazy ("Pass: " ^ string_of_int i));
137 set_aliases pass (try_pass pass)
138 with Disambiguate.NoWellTypedInterpretation (offset,newerrors) ->
139 raise (DisambiguationError (offset, errors @ [newerrors])))
142 set_aliases hd (try_pass hd)
143 with Disambiguate.NoWellTypedInterpretation (_offset,newerrors) ->
144 aux (i+1) (errors @ [newerrors]) tl)
150 let disambiguate_thing ~passes ~freshen_thing ~context ~metasenv ~subst
151 ~string_context_of_context ~initial_ugraph ~expty ~mk_implicit
152 ~description_of_alias ~fix_instance ~aliases ~universe ~lookup_in_library
153 ~uri ~pp_thing ~pp_term ~domain_of_thing ~interpretate_thing ~refine_thing ~visit
154 ~mk_localization_tbl thing
157 let f ~fresh_instances ~aliases ~universe ~use_coercions (txt,len,thing) =
158 let thing = if fresh_instances then freshen_thing thing else thing in
159 Disambiguate.disambiguate_thing
160 ~context ~metasenv ~subst ~use_coercions ~string_context_of_context
161 ~initial_ugraph ~expty ~mk_implicit ~description_of_alias ~fix_instance
162 ~aliases ~universe ~lookup_in_library
163 ~uri ~pp_thing ~domain_of_thing ~interpretate_thing ~refine_thing ~visit
164 ~mk_localization_tbl ~pp_term (txt,len,thing)
166 disambiguate_thing ~description_of_alias ~passes ~aliases
167 ~universe ~visit ~f thing
170 Disambiguate.disambiguate_thing
171 ~context ~metasenv ~subst ~use_coercions:true ~string_context_of_context
172 ~initial_ugraph ~expty ~mk_implicit ~description_of_alias ~fix_instance
173 ~aliases ~universe ~lookup_in_library
174 ~uri ~pp_thing ~domain_of_thing ~interpretate_thing ~refine_thing ~visit
175 ~mk_localization_tbl ~pp_term thing
177 | Disambiguate.NoWellTypedInterpretation (offset,newerrors) ->
178 raise (DisambiguationError (offset, [newerrors]))