From 07947f6e3b3327f10f99d02227635eaedf615733 Mon Sep 17 00:00:00 2001
From: herbelin
Date: Wed, 7 Feb 2001 16:01:55 +0000
Subject: Probleme synchronisation roots / inputstate

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@1346 85f007b7-540e-0410-9357-904b9bb8a0f7
---
 library/nametab.ml | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/library/nametab.ml b/library/nametab.ml
index 821de2a0b2..4e6b81d3b8 100755
--- a/library/nametab.ml
+++ b/library/nametab.ml
@@ -148,12 +148,13 @@ let constant_sp_of_id id =
     | ConstRef sp -> sp
     | _ -> raise Not_found
 
-let check_absoluteness = function
-  | a::_ when List.mem a !roots -> ()
-  | l -> anomaly ("Not an absolute path: "^(string_of_dirpath l))
+let check_absoluteness sp =
+  match dirpath sp with
+    | a::_ when List.mem a !roots -> ()
+    | _ -> anomaly ("Not an absolute path: "^(string_of_path sp))
 
 let absolute_reference sp =
-  check_absoluteness (dirpath sp);
+  check_absoluteness sp;
   locate (qualid_of_sp sp)
 
 (* These are entry points to make the contents of a module/section visible *)
@@ -185,11 +186,14 @@ let exists_module sp =
 (********************************************************************)
 (* Registration of persistent tables as a global table and rollback *)
 
-type frozen = module_contents * dir_path list
+(* Warning: We do not register roots, because otherwise option -R is
+   overwritten by the next input state *)
 
-let init () = persistent_nametab := empty; roots := []
-let freeze () = !persistent_nametab, !roots
-let unfreeze (mc,r) = persistent_nametab := mc; roots := r
+type frozen = module_contents
+
+let init () = persistent_nametab := empty
+let freeze () = !persistent_nametab
+let unfreeze mc = persistent_nametab := mc
 
 let _ = 
   Summary.declare_summary "persistent-names"
-- 
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