Limit 'extern' to trusted code

[hcoop/domtool2.git] / src / tycheck.sig

diff --git a/src/tycheck.sig b/src/tycheck.sig
index 50a816f..19ec6d4 100644 (file)
--- a/src/tycheck.sig
+++ b/src/tycheck.sig
@@ -14,7 +14,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
-*)
+ *)
 
 (* Domtool configuration language type checking *)
 
@@ -33,4 +33,9 @@ signature TYCHECK = sig
     val resetUnif : unit -> unit
     val newUnif : unit -> Ast.typ'
 
+    val preface : string * Print.PD.pp_desc -> unit
+
+    val allowExterns : unit -> unit
+    val disallowExterns : unit -> unit
+
 end