Minor fix to crash when no methods existed in a c++ file.

juci/selectiondialog.h

@@ -14,7 +14,7 @@ public:
   virtual void hide();
   virtual void move();
   
-  std::map<std::string, std::pair<std::string, std::string> > rows; //TODO: remove, instead add on_select
+  std::map<std::string, std::pair<std::string, std::string> > rows; //TODO: remove, instead add on_select. Also remember to destroy start_mark in destructor
   std::function<void()> on_hide;
   bool shown=false;
   Glib::RefPtr<Gtk::TextBuffer::Mark> start_mark;

juci/source.cc

@@ -814,7 +814,10 @@ Source::ClangViewAutocomplete(file_path, project_path), selection_dialog(*this)
       selection_dialog.start_mark=get_buffer()->create_mark(get_buffer()->get_insert()->get_iter());
       std::map<std::string, std::pair<std::string, std::string> > rows;
       selection_dialog.init();
-      for(auto &method: clang_tokens->get_cxx_methods()) {
+      auto methods=clang_tokens->get_cxx_methods();
+      if(methods.size()==0)
+        return;
+      for(auto &method: methods) {
         rows[method.first]=std::pair<std::string, std::string>(std::to_string(method.second), "");
         selection_dialog.append(method.first);
       }