Method update

src/Mod/PartDesign/App/ShapeBinder.cpp:593–989

}

void SubShapeBinder::update(SubShapeBinder::UpdateOption options)
{
    Part::TopoShape result;
    std::vector<Part::TopoShape> shapes;
    std::vector<std::pair<int, int>> shapeOwners;
    std::vector<const Base::Matrix4D*> shapeMats;

    bool forced = (Shape.getValue().IsNull() || (options & UpdateForced)) ? true : false;
    bool init = (!forced && (options & UpdateForced)) ? true : false;

    std::string errMsg;
    auto parent = Context.getValue();
    std::string parentSub = Context.getSubName(false);
    if (!Relative.getValue()) {
        parent = nullptr;
    }
    else {
        if (parent && parent->getSubObject(parentSub.c_str()) == this) {
            auto parents = parent->getParents();
            if (!parents.empty()) {
                parent = parents.begin()->first;
                parentSub = parents.begin()->second + parentSub;
            }
        }
        else {
            parent = nullptr;
        }
        if (!parent && parentSub.empty()) {
            auto parents = getParents();
            if (!parents.empty()) {
                parent = parents.begin()->first;
                parentSub = parents.begin()->second;
            }
        }
        if (parent && (parent != Context.getValue() || parentSub != Context.getSubName(false))) {
            Context.setValue(parent, parentSub.c_str());
        }
    }

    bool first = false;
    std::unordered_map<const App::DocumentObject*, Base::Matrix4D> mats;
    int idx = -1;
    for (auto& l : Support.getSubListValues()) {
        ++idx;
        auto obj = l.getValue();
        if (!obj || !obj->isAttachedToDocument()) {
            continue;
        }
        auto res = mats.emplace(obj, Base::Matrix4D());
        if (parent && res.second) {
            std::string resolvedSub = parentSub;
            std::string linkSub;
            auto link = obj;
            auto resolved = parent->resolveRelativeLink(resolvedSub, link, linkSub);
            if (!resolved) {
                if (!link) {
                    FC_WARN(
                        getFullName() << " cannot resolve relative link of " << parent->getFullName()