AbstractInternalContentAssistParser.java 文件源码

public void after(EObject grammarElement) {
    EObject foundGrammarElement = grammarElements.remove(grammarElements.size() - 1);
    if (grammarElement != foundGrammarElement)
        throw new IllegalStateException("expected element: '" + grammarElement + "', but was: '"
                + foundGrammarElement + "'");
    if (grammarElement instanceof UnorderedGroup && indexToHandledElements != null) {
        indexToHandledElements.removeAll(grammarElements.size());
    } else if (!grammarElements.isEmpty()) {
        int index = grammarElements.size() - 1;
        if (grammarElements.get(index) instanceof UnorderedGroup) {
            if (indexToHandledElements == null) {
                indexToHandledElements = LinkedHashMultimap.create();
            }
            indexToHandledElements.put(index, (AbstractElement) grammarElement);
        }
    }
}