Method addItem

kdevplatform/language/duchain/codemodel.cpp:184–248

}

void CodeModel::addItem(const IndexedString& file, const IndexedQualifiedIdentifier& id, CodeModelItem::Kind kind)
{
    ifDebug(qCDebug(LANGUAGE) << "addItem" << file.str() << id.identifier().toString() << id.index; )

    if (!id.isValid())
        return;
    CodeModelRepositoryItem item;
    item.file = file;
    CodeModelRequestItem request(item);

    CodeModelItem newItem;
    newItem.id = id;
    newItem.kind = kind;
    newItem.referenceCount = 1;

    LockedItemRepository::write<CodeModel>([&](CodeModelRepo& repo) {
        uint index = repo.findIndex(item);

        if (index) {
            const CodeModelRepositoryItem* oldItem = repo.itemFromIndex(index);
            EmbeddedTreeAlgorithms<CodeModelItem, CodeModelItemHandler> alg(oldItem->items(), oldItem->itemsSize(),
                                                                            oldItem->centralFreeItem);

            int listIndex = alg.indexOf(newItem);

            DynamicItem<CodeModelRepositoryItem, true> editableItem = repo.dynamicItemFromIndex(index);
            auto* items = const_cast<CodeModelItem*>(editableItem->items());

            if (listIndex != -1) {
                // Only update the reference-count
                ++items[listIndex].referenceCount;
                items[listIndex].kind = kind;
                return;
            } else {
                // Add the item to the list
                EmbeddedTreeAddItem<CodeModelItem, CodeModelItemHandler> add(items, editableItem->itemsSize(),
                                                                             editableItem->centralFreeItem, newItem);

                if (add.newItemCount() != editableItem->itemsSize()) {
                    // The data needs to be transferred into a bigger list. That list is within "item".

                    item.itemsList().resize(add.newItemCount());
                    add.transferData(item.itemsList().data(), item.itemsList().size(), &item.centralFreeItem);

                    repo.deleteItem(index);
                } else {
                    // We're fine: The item fits into the existing list.
                    return;
                }
            }
        } else {
            // We're creating a new index
            item.itemsList().append(newItem);
        }

        Q_ASSERT(!repo.findIndex(request));

        // This inserts the changed item