From 73340a06e5ce2acef67998ce67d6f116b3c7183e Mon Sep 17 00:00:00 2001
From: Gokula Krishna <gokula@binary.com>
Date: Tue, 24 Jul 2018 09:54:37 +0800
Subject: [PATCH] Add backward compatibility support

---
 core/variables.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/core/variables.js b/core/variables.js
index 5754be083..5c37864cc 100644
--- a/core/variables.js
+++ b/core/variables.js
@@ -106,8 +106,9 @@ Blockly.Variables.allDeveloperVariables = function(workspace) {
   var hash = {};
   for (var i = 0; i < blocks.length; i++) {
     var block = blocks[i];
-    if (block.getDeveloperVariables) {
-      var devVars = block.getDeveloperVariables();
+    var getDeveloperVariables = block.getDeveloperVars || block.getDeveloperVariables;
+    if (getDeveloperVariables) {
+      var devVars = getDeveloperVariables();
       for (var j = 0; j < devVars.length; j++) {
         hash[devVars[j]] = devVars[j];
       }