X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fmatita%2FmatitaDisambiguator.ml;h=b7de40ed966eb580740c5b506f4bb53103180b4e;hb=33a02e0b639217093eb63f30169aaa6ac8c78907;hp=46341acfdf03c3ea401bc7910424ec24f4c81211;hpb=3bec70852905f57198cd5b659dc72d430c1c5d2c;p=helm.git

diff --git a/helm/matita/matitaDisambiguator.ml b/helm/matita/matitaDisambiguator.ml
index 46341acfd..b7de40ed9 100644
--- a/helm/matita/matitaDisambiguator.ml
+++ b/helm/matita/matitaDisambiguator.ml
@@ -1,4 +1,4 @@
-(* 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
@@ -23,64 +23,110 @@
  * 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
+
+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)
 
-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
+(* implement module's API *)
+
+let disambiguate_thing ~aliases
+  ~(f:?fresh_instances:bool -> aliases:Disambiguate.aliases -> 'a -> 'b)
+  ~(set_aliases: DisambiguateTypes.environment -> 'b -> 'b)
+  (thing: 'a)
+=
+  let library = true, DisambiguateTypes.empty_environment in
+  let multi_aliases = true, aliases in
+  let mono_aliases = false, aliases 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 disambiguateTerm ?context ?metasenv ?env stream =
-      self#disambiguateTermAst ?context ?metasenv ?env
-        (parserr#parseTerm stream)
-  end
+  let try_pass (fresh_instances, aliases, use_coercions) =
+    CoercDb.use_coercions := use_coercions;
+    f ~fresh_instances ~aliases thing
+  in
+  let set_aliases (instances,(use_multi_aliases,_),_) (_, user_asked as res) =
+   if not use_multi_aliases && not instances then
+    res
+   else if user_asked then
+    res (* one shot aliases *)
+   else
+    set_aliases aliases res
+  in
+  let rec aux =
+    function
+    | [ pass ] -> set_aliases pass (try_pass pass)
+    | hd :: tl ->
+        (try
+          set_aliases hd (try_pass hd)
+        with Disambiguate.NoWellTypedInterpretation -> aux 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
+
+let set_aliases aliases (choices, user_asked) =
+  (List.map (fun (_, a, b, c) -> aliases, a, b, c) choices),
+  user_asked
+
+let disambiguate_term ~dbd ~context ~metasenv ?initial_ugraph ~aliases term =
+  let f =
+    Disambiguator.disambiguate_term ~dbd ~context ~metasenv ?initial_ugraph
+  in
+  disambiguate_thing ~aliases ~f ~set_aliases term
+
+let disambiguate_obj ~dbd ~aliases ~uri obj =
+  let f = Disambiguator.disambiguate_obj ~dbd ~uri in
+  disambiguate_thing ~aliases ~f ~set_aliases obj