X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Focaml%2Fcic_notation%2FcicNotationEnv.ml;h=62212f92fba871d7462d1b3ac80bb13d0574a193;hb=97c2d258a5c524eb5c4b85208899d80751a2c82f;hp=f7f11c46db4a2951f355acc9d169bce233a586bd;hpb=f7759f86b755f4f7dc2b23edd52ed4d2e5c028fe;p=helm.git

diff --git a/helm/ocaml/cic_notation/cicNotationEnv.ml b/helm/ocaml/cic_notation/cicNotationEnv.ml
index f7f11c46d..62212f92f 100644
--- a/helm/ocaml/cic_notation/cicNotationEnv.ml
+++ b/helm/ocaml/cic_notation/cicNotationEnv.ml
@@ -23,10 +23,10 @@
  * http://helm.cs.unibo.it/
  *)
 
-open CicNotationPt
+module Ast = CicNotationPt
 
 type value =
-  | TermValue of term
+  | TermValue of Ast.term
   | StringValue of string
   | NumValue of string
   | OptValue of value option
@@ -44,7 +44,7 @@ exception Type_mismatch of string * value_type
 
 type declaration = string * value_type
 type binding = string * (value_type * value)
-type t = (string * (value_type * value)) list
+type t = binding list
 
 let lookup env name =
   try
@@ -56,7 +56,10 @@ let lookup_value env name =
     snd (List.assoc name env)
   with Not_found -> raise (Value_not_found name)
 
-let remove env name = List.remove_assoc name env
+let remove_name env name = List.remove_assoc name env
+
+let remove_names env names =
+  List.filter (fun name, _ -> not (List.mem name names)) env
 
 let lookup_term env name =
   match lookup env name with
@@ -91,19 +94,19 @@ let opt_declaration (n, ty) = (n, OptType ty)
 let list_declaration (n, ty) = (n, ListType ty)
 
 let declaration_of_var = function
-  | NumVar s -> s, NumType
-  | IdentVar s -> s, StringType
-  | TermVar s -> s, TermType
+  | Ast.NumVar s -> s, NumType
+  | Ast.IdentVar s -> s, StringType
+  | Ast.TermVar s -> s, TermType
   | _ -> assert false
 
 let value_of_term = function
-  | Num (s, _) -> NumValue s
-  | Ident (s, None) -> StringValue s
+  | Ast.Num (s, _) -> NumValue s
+  | Ast.Ident (s, None) -> StringValue s
   | t -> TermValue t
 
 let term_of_value = function
-  | NumValue s -> Num (s, 0)
-  | StringValue s -> Ident (s, None)
+  | NumValue s -> Ast.Num (s, 0)
+  | StringValue s -> Ast.Ident (s, None)
   | TermValue t -> t
   | _ -> assert false (* TO BE UNDERSTOOD *)