/** Updates block stack and invokes any additional behavior. */ @Override public void exitScope(NodeTraversal t) { pop(blockStack); if (t.getScope().isGlobal()) { // Update global scope reference lists when we are done with it. compiler.updateGlobalVarReferences(referenceMap, t.getScopeRoot()); behavior.afterExitScope(t, compiler.getGlobalVarReferences()); } else { behavior.afterExitScope(t, new ReferenceMapWrapper(referenceMap)); } }