44   std::stack<xml::Element*> node_stack;  member
69       CHECK(!stack->node_stack.empty());  in FinishPendingText()
70       stack->node_stack.top()->AppendChild(std::move(stack->last_text_node));  in FinishPendingText()
136   if (!stack->node_stack.empty()) {  in StartElementHandler()
137     stack->node_stack.top()->AppendChild(std::move(el));  in StartElementHandler()
141   stack->node_stack.push(this_el);  in StartElementHandler()
149   CHECK(!stack->node_stack.empty());  in EndElementHandler()
151   stack->node_stack.pop();  in EndElementHandler()
275   std::stack<Element*> node_stack;  in Inflate()  local
335         if (!node_stack.empty()) {  in Inflate()
336           node_stack.top()->AppendChild(std::move(el));  in Inflate()
340         node_stack.push(this_el);  in Inflate()
352         CHECK(!node_stack.empty());  in Inflate()
353         node_stack.top()->AppendChild(std::move(text));  in Inflate()
361         CHECK(!node_stack.empty());  in Inflate()
362         node_stack.pop();  in Inflate()