-(* Copyright (C) 2004, HELM Team.
+(* Copyright (C) 2004-2005, HELM Team.
*
* This file is part of HELM, an Hypertextual, Electronic
* Library of Mathematics, developed at the Computer Science
* http://helm.cs.unibo.it/
*)
+open Printf
+
open MatitaTypes
-class parserr () =
- object
- method parseTerm = CicTextualParser2.parse_term
- method parseTactical = CicTextualParser2.parse_tactical
+exception Ambiguous_input
+exception DisambiguationError of string Lazy.t list list
+
+type choose_uris_callback =
+ id:string -> UriManager.uri list -> UriManager.uri list
+
+type choose_interp_callback = (string * string) list list -> int list
+
+let mono_uris_callback ~id =
+ if Helm_registry.get_bool "matita.auto_disambiguation" then
+ function l -> l
+ else
+ raise Ambiguous_input
+
+let mono_interp_callback _ = raise Ambiguous_input
+
+let _choose_uris_callback = ref mono_uris_callback
+let _choose_interp_callback = ref mono_interp_callback
+let set_choose_uris_callback f = _choose_uris_callback := f
+let set_choose_interp_callback f = _choose_interp_callback := f
+
+module Callbacks =
+ struct
+ let interactive_user_uri_choice ~selection_mode ?ok
+ ?(enable_button_for_non_vars = true) ~title ~msg ~id uris =
+ !_choose_uris_callback ~id uris
+
+ let interactive_interpretation_choice interp =
+ !_choose_interp_callback interp
+
+ let input_or_locate_uri ~(title:string) ?id =
+ (* Zack: I try to avoid using this callback. I therefore assume that
+ * the presence of an identifier that can't be resolved via "locate"
+ * query is a syntax error *)
+ let msg = match id with Some id -> id | _ -> "_" in
+ raise (Unbound_identifier msg)
end
+
+module Disambiguator = Disambiguate.Make (Callbacks)
+
+(* implement module's API *)
-class disambiguator
- ~parserr ~dbd ~(chooseUris: MatitaTypes.choose_uris_callback)
- ~(chooseInterp: MatitaTypes.choose_interp_callback) ()
- =
- let disambiguate_term =
- let module Callbacks =
- struct
- let interactive_user_uri_choice
- ~selection_mode ?ok ?(enable_button_for_non_vars = true) ~title ~msg
- ~id uris
- =
- chooseUris ~selection_mode ~title ~msg
- ~nonvars_button:enable_button_for_non_vars uris
-
- let interactive_interpretation_choice = chooseInterp
- let input_or_locate_uri ~(title:string) ?id =
- (* Zack: I try to avoid using this callback. I therefore assume that
- * the presence of an identifier that can't be resolved via "locate"
- * query is a syntax error *)
- let msg = match id with Some id -> id | _ -> "" in
- raise (Unbound_identifier msg)
- end
- in
- let module Disambiguator = Disambiguate.Make (Callbacks) in
- Disambiguator.disambiguate_term
+let disambiguate_thing ~aliases ~universe
+ ~(f:?fresh_instances:bool ->
+ aliases:DisambiguateTypes.environment ->
+ universe:DisambiguateTypes.multiple_environment option ->
+ 'a -> 'b)
+ ~(drop_aliases: 'b -> 'b)
+ ~(drop_aliases_and_clear_diff: 'b -> 'b)
+ (thing: 'a)
+=
+ assert (universe <> None);
+ let library = false, DisambiguateTypes.Environment.empty, None in
+ let multi_aliases=false, DisambiguateTypes.Environment.empty, universe in
+ let mono_aliases = true, aliases, None in
+ let passes = (* <fresh_instances?, aliases, coercions?> *)
+ [ (false, mono_aliases, false);
+ (false, multi_aliases, false);
+ (true, mono_aliases, false);
+ (true, multi_aliases, false);
+ (true, mono_aliases, true);
+ (true, multi_aliases, true);
+ (true, library, true);
+ ]
in
- object (self)
- val mutable parserr: parserr = parserr
- method parserr = parserr
- method setParserr p = parserr <- p
-
- val mutable _env = DisambiguateTypes.Environment.empty
- method env = _env
- method setEnv e = _env <- e
-
- method disambiguateTermAst ?(context = []) ?(metasenv = []) ?env termAst =
- let (save_state, env) =
- match env with
- | Some env -> (false, env)
- | None -> (true, _env)
- in
- match disambiguate_term ~initial_ugraph:CicUniv.empty_ugraph
- ~dbd context metasenv termAst ~aliases:env with
- | [ (env, metasenv, term,ugraph) as x ] ->
- if save_state then self#setEnv env;
- x
- | _ -> assert false
-
- method disambiguateTermAsts ?(metasenv = []) ?env asts =
- let ast = CicAst.pack asts in
- let (env, metasenv, term, ugraph) =
- self#disambiguateTermAst ~context:[] ~metasenv ?env ast
- in
- (env, metasenv, CicUtil.unpack term, ugraph)
-
- method disambiguateTerm ?context ?metasenv ?env stream =
- self#disambiguateTermAst ?context ?metasenv ?env
- (parserr#parseTerm stream)
- end
+ let try_pass (fresh_instances, (_, aliases, universe), use_coercions) =
+ CoercDb.use_coercions := use_coercions;
+ f ~fresh_instances ~aliases ~universe thing
+ in
+ let set_aliases (instances,(use_mono_aliases,_,_),_) (_, user_asked as res) =
+ if use_mono_aliases && not instances then
+ drop_aliases res
+ else if user_asked then
+ drop_aliases res (* one shot aliases *)
+ else
+ drop_aliases_and_clear_diff res
+ in
+ let rec aux errors =
+ function
+ | [ pass ] ->
+ (try
+ set_aliases pass (try_pass pass)
+ with Disambiguate.NoWellTypedInterpretation newerrors ->
+ raise (DisambiguationError (errors @ [newerrors])))
+ | hd :: tl ->
+ (try
+ set_aliases hd (try_pass hd)
+ with Disambiguate.NoWellTypedInterpretation newerrors ->
+ aux (errors @ [newerrors]) tl)
+ | [] -> assert false
+ in
+ let saved_use_coercions = !CoercDb.use_coercions in
+ try
+ let res = aux [] passes in
+ CoercDb.use_coercions := saved_use_coercions;
+ res
+ with exn ->
+ CoercDb.use_coercions := saved_use_coercions;
+ raise exn
+
+type disambiguator_thing =
+ { do_it :
+ 'a 'b.
+ aliases:DisambiguateTypes.environment ->
+ universe:DisambiguateTypes.multiple_environment option ->
+ f:(?fresh_instances:bool ->
+ aliases:DisambiguateTypes.environment ->
+ universe:DisambiguateTypes.multiple_environment option ->
+ 'a -> 'b * bool) ->
+ drop_aliases:('b * bool -> 'b * bool) ->
+ drop_aliases_and_clear_diff:('b * bool -> 'b * bool) -> 'a -> 'b * bool
+ }
+
+let disambiguate_thing =
+ let profiler = HExtlib.profile "disambiguate_thing" in
+ { do_it =
+ fun ~aliases ~universe ~f ~drop_aliases ~drop_aliases_and_clear_diff thing
+ -> profiler.HExtlib.profile
+ (disambiguate_thing ~aliases ~universe ~f ~drop_aliases
+ ~drop_aliases_and_clear_diff) thing
+ }
+
+let drop_aliases (choices, user_asked) =
+ (List.map (fun (d, a, b, c) -> d, a, b, c) choices),
+ user_asked
+
+let drop_aliases_and_clear_diff (choices, user_asked) =
+ (List.map (fun (_, a, b, c) -> [], a, b, c) choices),
+ user_asked
+
+let disambiguate_term ?fresh_instances ~dbd ~context ~metasenv ?initial_ugraph
+ ~aliases ~universe term
+ =
+ assert (fresh_instances = None);
+ let f =
+ Disambiguator.disambiguate_term ~dbd ~context ~metasenv ?initial_ugraph
+ in
+ disambiguate_thing.do_it ~aliases ~universe ~f ~drop_aliases
+ ~drop_aliases_and_clear_diff term
+let disambiguate_obj ?fresh_instances ~dbd ~aliases ~universe ~uri obj =
+ assert (fresh_instances = None);
+ let f = Disambiguator.disambiguate_obj ~dbd ~uri in
+ disambiguate_thing.do_it ~aliases ~universe ~f ~drop_aliases
+ ~drop_aliases_and_clear_diff obj