Method load

kdevplatform/language/duchain/topducontextdynamicdata.cpp:581–614

}

TopDUContext* TopDUContextDynamicData::load(uint topContextIndex)
{
    QFile file(pathForTopContext(topContextIndex));
    if (file.open(QIODevice::ReadOnly)) {
        if (file.size() == 0) {
            qCWarning(LANGUAGE) << "Top-context file is empty" << file.fileName();
            return nullptr;
        }

        uint readValue;
        file.read(reinterpret_cast<char*>(&readValue), sizeof(uint));
        //now readValue is filled with the top-context data size
        QByteArray topContextData = file.read(readValue);

        auto* topData = reinterpret_cast<DUChainBaseData*>(topContextData.data());
        auto* ret = dynamic_cast<TopDUContext*>(DUChainItemSystem::self().create(topData));
        if (!ret) {
            qCWarning(LANGUAGE) << "Cannot load a top-context from file" << file.fileName() <<
                "- the required language-support for handling ID" << topData->classId << "is probably not loaded";
            return nullptr;
        }

        TopDUContextDynamicData& target(*ret->m_dynamicData);

        target.m_data.clear();
        target.m_dataLoaded = false;
        target.m_onDisk = true;
        ret->rebuildDynamicData(nullptr, topContextIndex);
        target.m_topContextData.append({topContextData, ( uint )0});
        return ret;
    } else {
        return nullptr;
    }
}

bool TopDUContextDynamicData::isOnDisk() const
{