X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2FgTopLevel%2FbatchParser.ml;h=0d959ac6540861dbd31bdb9843079ca89a56673f;hb=5325734bc2e4927ed7ec146e35a6f0f2b49f50c1;hp=f7370422f7fccf70b03ebe0bd9508c0b27eb2223;hpb=57f2f0152b79ad7096b72b7e3e83939d63454a88;p=helm.git

diff --git a/helm/gTopLevel/batchParser.ml b/helm/gTopLevel/batchParser.ml
index f7370422f..0d959ac65 100644
--- a/helm/gTopLevel/batchParser.ml
+++ b/helm/gTopLevel/batchParser.ml
@@ -28,15 +28,29 @@ let verbose = false
 exception Failure of string
 let fail msg = raise (Failure msg)
 
-let constants_only uri = not (String.sub uri (String.length uri - 4) 4 = ".var")
-let uri_predicate = ref constants_only
+let constants_only ~prefix =
+ let test_prefix =
+  if prefix = "" then
+   (fun _ -> true)
+  else
+   (fun uri -> Pcre.pmatch ~rex:(Pcre.regexp ("^" ^ prefix)) uri)
+ in
+ fun uri ->
+  test_prefix uri && (not (String.sub uri (String.length uri - 4) 4 = ".var"))
+
+let uri_predicate = ref (constants_only ~prefix:"")
 
-let uri_pred_of_conf tryvars varsprefix =
+let uri_pred_of_conf tryvars ~prefix ~varsprefix =
   if not tryvars then
-    constants_only
+    constants_only ~prefix
   else
-    let rex = Pcre.regexp ("^" ^ varsprefix) in
-    (fun uri -> Pcre.pmatch ~rex uri)
+    let test_prefix = Pcre.pmatch ~rex:(Pcre.regexp ("^" ^ prefix)) in
+    let test_varsprefix = Pcre.pmatch ~rex:(Pcre.regexp ("^" ^ varsprefix)) in
+     fun uri ->
+      if String.sub uri (String.length uri - 4) 4 = ".var" then
+       test_varsprefix uri
+      else
+       test_prefix uri
 
 module DisambiguateCallbacks =
  struct
@@ -57,7 +71,7 @@ module DisambiguateCallbacks =
 
 module Disambiguate' = DisambiguatingParser.Make (DisambiguateCallbacks)
 
-let parse mqi_handle ?(uri_pred = constants_only) =
+let parse mqi_handle ?(uri_pred = constants_only ~prefix:"") =
   uri_predicate := uri_pred;
   let empty_environment =
     DisambiguatingParser.EnvironmentP3.of_string