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+(* Copyright (C) 2004, HELM Team.
+ * 
+ * This file is part of HELM, an Hypertextual, Electronic
+ * Library of Mathematics, developed at the Computer Science
+ * Department, University of Bologna, Italy.
+ * 
+ * HELM is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * 
+ * HELM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with HELM; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA  02111-1307, USA.
+ * 
+ * For details, see the HELM World-Wide-Web page,
+ * http://helm.cs.unibo.it/
+ *)
+
+(** {2 Disambiguation interface} *)
+
+(* the integer is an offset to be added to each location *)
+(* list of located error messages, each list is a tuple:
+  * - environment in string form
+  * - environment patch
+  * - location
+  * - error message
+  * - significancy of the error message, if false the error is likely to be
+  *   useless for the final user ... *)
+exception NoWellTypedInterpretation of
+ int *
+ ((Stdpp.location list * string * string) list *
+  (DisambiguateTypes.domain_item * DisambiguateTypes.codomain_item) list *
+  Stdpp.location option * string Lazy.t * bool) list
+exception PathNotWellFormed
+
+val interpretate_path :
+  context:Cic.name list -> CicNotationPt.term -> Cic.term
+
+type 'a disambiguator_input = string * int * 'a
+    
+module type Disambiguator =
+sig
+  (** @param fresh_instances when set to true fresh instances will be generated
+   * for each number _and_ symbol in the disambiguation domain. Instances of the
+   * input AST will be ignored. Defaults to false. *)
+  val disambiguate_term :
+    ?fresh_instances:bool ->
+    dbd:HSql.dbd ->
+    context:Cic.context ->
+    metasenv:Cic.metasenv ->
+    ?initial_ugraph:CicUniv.universe_graph -> 
+    aliases:DisambiguateTypes.environment ->(* previous interpretation status *)
+    universe:DisambiguateTypes.multiple_environment option ->
+    CicNotationPt.term disambiguator_input ->
+    ((DisambiguateTypes.domain_item * DisambiguateTypes.codomain_item) list *
+     Cic.metasenv *                  (* new metasenv *)
+     Cic.term *
+     CicUniv.universe_graph) list *  (* disambiguated term *)
+    bool  (* has interactive_interpretation_choice been invoked? *)
+
+  (** @param fresh_instances as per disambiguate_term *)
+  val disambiguate_obj :
+    ?fresh_instances:bool ->
+    dbd:HSql.dbd ->
+    aliases:DisambiguateTypes.environment ->(* previous interpretation status *)
+    universe:DisambiguateTypes.multiple_environment option ->
+    uri:UriManager.uri option ->     (* required only for inductive types *)
+    CicNotationPt.term CicNotationPt.obj disambiguator_input ->
+    ((DisambiguateTypes.domain_item * DisambiguateTypes.codomain_item) list *
+     Cic.metasenv *                  (* new metasenv *)
+     Cic.obj *
+     CicUniv.universe_graph) list *  (* disambiguated obj *)
+    bool  (* has interactive_interpretation_choice been invoked? *)
+end
+
+module Make (C : DisambiguateTypes.Callbacks) : Disambiguator
+