gistfile1.diff

diff -r ed90a83ab0fd relaxng/datatype/java/src/org/whattf/datatype/Pattern.java
--- a/relaxng/datatype/java/src/org/whattf/datatype/Pattern.java	Sat Apr 21 17:35:50 2012 +0900
+++ b/relaxng/datatype/java/src/org/whattf/datatype/Pattern.java	Mon Oct 01 14:35:28 2012 +0900
@@ -22,6 +22,7 @@
 
 package org.whattf.datatype;
 
+import org.mozilla.javascript.ContextFactory;
 import org.mozilla.javascript.EcmaError;
 import org.mozilla.javascript.regexp.RegExpImpl;
 import org.relaxng.datatype.DatatypeException;
@@ -58,9 +59,10 @@
             throws DatatypeException {
         // TODO find out what kind of thread concurrency guarantees are made
         RegExpImpl rei = new RegExpImpl();
+        ContextFactory cf = new ContextFactory();
         String anchoredRegex = "^(?:" + literal + ")$";
         try {
-            rei.compileRegExp(null, anchoredRegex, "");
+            rei.compileRegExp(cf.enterContext(), anchoredRegex, "");
         } catch (EcmaError ee) {
             throw newDatatypeException(ee.getErrorMessage());
         }