Method checkLinkDepth

src/App/Application.cpp:1451–1475

}

int Application::checkLinkDepth(int depth, MessageOption option)
{
    if (_objCount < 0) {
        _objCount = 0;
        for (const auto &v : DocMap) {
            _objCount += v.second->countObjects();
        }
    }

    if (depth > _objCount + 2) {
        const auto msg = "Link recursion limit reached. "
                "Please check for cyclic reference.";
        switch (option) {
        case MessageOption::Quiet:
            return 0;
        case MessageOption::Error:
            FC_ERR(msg);
            return 0;
        case MessageOption::Throw:
            throw Base::RuntimeError(msg);
        }
    }

    return _objCount + 2;
}

std::set<DocumentObject *> Application::getLinksTo(
        const DocumentObject *obj, int options, int maxCount) const