From 56245e3f3cd280c0f1d29f01b4c7ac55b8f4bdd4 Mon Sep 17 00:00:00 2001
From: Renaud G <renaud@rolisteam.org>
Date: Sat, 15 Dec 2018 11:27:11 +0100
Subject: prevent crash when result is null.

---
 node/variablenode.cpp | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/node/variablenode.cpp b/node/variablenode.cpp
index fafc722..c0d491c 100644
--- a/node/variablenode.cpp
+++ b/node/variablenode.cpp
@@ -14,10 +14,14 @@ void VariableNode::run(ExecutionNode *previous)
       value = ParsingToolBox::getLatestNode(value);
       if(nullptr != value)
       {
-        m_result = value->getResult()->getCopy();
-        if(nullptr!=m_nextNode)
+        auto result = value->getResult();
+        if(result)
         {
-            m_nextNode->run(this);
+            m_result = result->getCopy();
+            if(nullptr!=m_nextNode)
+            {
+                m_nextNode->run(this);
+            }
         }
       }
     }
-- 
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