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 20:57:45 2012 +0900
@@ -22,6 +22,8 @@
 
 package org.whattf.datatype;
 
+import org.mozilla.javascript.Context;
+import org.mozilla.javascript.ContextFactory;
 import org.mozilla.javascript.EcmaError;
 import org.mozilla.javascript.regexp.RegExpImpl;
 import org.relaxng.datatype.DatatypeException;
@@ -57,12 +59,16 @@
     public void checkValid(CharSequence literal)
             throws DatatypeException {
         // TODO find out what kind of thread concurrency guarantees are made
+        ContextFactory cf = new ContextFactory();
+        Context cx = cf.enterContext();
         RegExpImpl rei = new RegExpImpl();
         String anchoredRegex = "^(?:" + literal + ")$";
         try {
-            rei.compileRegExp(null, anchoredRegex, "");
+            rei.compileRegExp(cx, anchoredRegex, "");
         } catch (EcmaError ee) {
             throw newDatatypeException(ee.getErrorMessage());
+        } finally {
+            Context.exit();
         }
     }