Add "async" to JavaScript keywords

Author: idodeclare

opengrok-indexer/src/main/java/org/opengrok/indexer/analysis/javascript/Consts.java

@@ -19,6 +19,7 @@
 
 /*
  * Copyright (c) 2006, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Portions Copyright (c) 2019, Chris Fraire <[email protected]>.
  */
 
 package org.opengrok.indexer.analysis.javascript;
@@ -51,6 +52,7 @@ public class Consts {
         kwd.add("RegExp");
         kwd.add("String");                
         //keywords
+        kwd.add("await"); // ECMA-262, 10th edition, June 2019
         kwd.add("break");
         kwd.add("case");
         kwd.add("catch");

opengrok-indexer/src/main/java/org/opengrok/indexer/analysis/javascript/JavaScriptAnalyzer.java

@@ -19,7 +19,7 @@
 
 /*
  * Copyright (c) 2006, 2019, Oracle and/or its affiliates. All rights reserved.
- * Portions Copyright (c) 2017-2018, Chris Fraire <[email protected]>.
+ * Portions Copyright (c) 2017-2019, Chris Fraire <[email protected]>.
  */
 package org.opengrok.indexer.analysis.javascript;
 
@@ -50,11 +50,11 @@ protected JavaScriptAnalyzer(AnalyzerFactory factory) {
      * Gets a version number to be used to tag processed documents so that
      * re-analysis can be re-done later if a stored version number is different
      * from the current implementation.
-     * @return 20190217_00
+     * @return 20191006_00
      */
     @Override
     protected int getSpecializedVersionNo() {
-        return 20190217_00; // Edit comment above too!
+        return 20191006_00; // Edit comment above too!
     }
 
     /**