QmlJSTools::SemanticInfo SemanticInfoUpdater::makeNewSemanticInfo(const QmlJS::Document::Ptr &doc, const QmlJS::Snapshot &snapshot)
{
    using namespace QmlJS;

    QmlJSTools::SemanticInfo semanticInfo;
    semanticInfo.document = doc;
    semanticInfo.snapshot = snapshot;

    ModelManagerInterface *modelManager = ModelManagerInterface::instance();

    Link link(semanticInfo.snapshot, modelManager->defaultVContext(doc->language(), doc), modelManager->builtins(doc));
    semanticInfo.context = link(doc, &semanticInfo.semanticMessages);

    ScopeChain *scopeChain = new ScopeChain(doc, semanticInfo.context);
    semanticInfo.setRootScopeChain(QSharedPointer<const ScopeChain>(scopeChain));

    if (doc->language() == Dialect::Json) {
        Utils::JsonSchema *schema = QmlJSEditorPlugin::jsonManager()->schemaForFile(doc->fileName());
        if (schema) {
            JsonCheck jsonChecker(doc);
            semanticInfo.staticAnalysisMessages = jsonChecker(schema);
        }
    } else {
        Check checker(doc, semanticInfo.context);
        semanticInfo.staticAnalysisMessages = checker();
    }

    return semanticInfo;
}
static bool checkIfEditorIsQtQuick(Core::IEditor *editor)
{
    if (isQmlFile(Core::EditorManager::currentEditor())) {
        QmlJS::Document::Ptr document = QmlJS::ModelManagerInterface::instance()->snapshot().document(
                Core::EditorManager::currentEditor()->document()->filePath());
        if (!document.isNull())
            return document->language() == QmlJS::Language::QmlQtQuick1
                    || document->language() == QmlJS::Language::QmlQtQuick2
                    || document->language() == QmlJS::Language::Qml;
    }

    return false;
}
void QmlJSTextEditorWidget::onDocumentUpdated(QmlJS::Document::Ptr doc)
{
    if (editorDocument()->filePath() != doc->fileName())
        return;

    if (doc->editorRevision() != editorRevision()) {
        // Maybe a dependency changed and our semantic info is now outdated.
        // Ignore 0-revision documents though, we get them when a file is initially opened
        // in an editor.
        if (doc->editorRevision() != 0)
            updateSemanticInfo();
        return;
    }

    //qDebug() << doc->fileName() << "was reparsed";

    if (doc->ast()) {
        // got a correctly parsed (or recovered) file.
        m_futureSemanticInfoRevision = doc->editorRevision();
        m_semanticInfoUpdater->update(doc, m_modelManager->snapshot());
        setExtraSelections(CodeWarningsSelection, QList<QTextEdit::ExtraSelection>());
    } else if (Document::isFullySupportedLanguage(doc->language())) {
        // show parsing errors
        QList<QTextEdit::ExtraSelection> selections;
        appendExtraSelectionsForMessages(&selections, doc->diagnosticMessages(), document());
        setExtraSelections(CodeWarningsSelection, selections);
    } else {
        setExtraSelections(CodeWarningsSelection, QList<QTextEdit::ExtraSelection>());
    }
}