Gui: prevent DAGView crash freecad when a document gets a circular dependency

2016-04-12 18:12:16 +02:00
parent 2fc5d6c818
commit 37320a0bfa
1 changed files with 9 additions and 1 deletions
@@ -527,7 +527,15 @@ void Model::updateSlot()
  
  indexVerticesEdges();
  Path sorted;
-  boost::topological_sort(*theGraph, std::back_inserter(sorted));
+  try {
+      // this sort gives the execute
+      boost::topological_sort(*theGraph, std::back_inserter(sorted));
+  }
+  catch (const std::exception& e) {
+      std::cerr << "Document::recompute: " << e.what() << std::endl;
+      return;
+  }
+
  //index the vertices in sort order.
  int tempIndex = 0;
  for (const auto &currentVertex : sorted)