From: Enrico Tassi <enrico.tassi@inria.fr>
Date: Thu, 29 Jul 2010 15:09:38 +0000 (+0000)
Subject: interpret non ambiguous symbols ASAP
X-Git-Tag: make_still_working~2856
X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=commitdiff_plain;h=7c793c80721ff0b0a1d2898ba93721aa03aa4a98;p=helm.git

interpret non ambiguous symbols ASAP
---

diff --git a/helm/software/components/disambiguation/disambiguate.ml b/helm/software/components/disambiguation/disambiguate.ml
index 5ac709f9b..d0d7460a6 100644
--- a/helm/software/components/disambiguation/disambiguate.ml
+++ b/helm/software/components/disambiguation/disambiguate.ml
@@ -447,6 +447,21 @@ let disambiguate_thing
             fix_instance item (Environment.find item e)
           with Not_found -> [])
    in
+
+   (* items with 1 choice are interpreted ASAP *)
+   let aliases, todo_dom = 
+     let rec aux (aliases,acc) = function 
+       | [] -> aliases, acc
+       | (Node (_, item,extra) as node) :: tl -> 
+           let tl = tl @ extra in
+           let choices = lookup_choices item in
+           if List.length choices <> 1 then aux (aliases, acc@[node]) tl
+           else if Environment.mem item aliases then aux (aliases, acc) tl
+           else aux (Environment.add item (List.hd choices) aliases, acc) tl
+     in
+       aux (aliases,[]) todo_dom
+   in
+
 (*
       (* <benchmark> *)
       let _ =