ES6 unicode escapes, part 2: Regexps.

src/mirror-debugger.js

Index: src/mirror-debugger.js
diff --git a/src/mirror-debugger.js b/src/mirror-debugger.js
index be068ee7f8b88bf6eca5b2a265ec370b7c6e03ce..a27a790c2c36e98cd1d3d0d35e4b8e750a4985ae 100644
--- a/src/mirror-debugger.js
+++ b/src/mirror-debugger.js
@@ -1274,6 +1274,15 @@ RegExpMirror.prototype.sticky = function() {
 };
 
 
+/**
+ * Returns whether this regular expression has the unicode (u) flag set.
+ * @return {boolean} Value of the unicode flag
+ */
+RegExpMirror.prototype.unicode = function() {
+  return this.value_.unicode;
+};
+
+
 RegExpMirror.prototype.toText = function() {
   // Simpel to text which is used when on specialization in subclass.
   return "/" + this.source() + "/";