Method removeForwardedReferences

src/utilities/idf/Workspace.cpp:1441–1486

  }

  void Workspace_Impl::removeForwardedReferences(const Handle& sourceHandle, unsigned index, const WorkspaceObject& targetObject) {
    // get source object
    OptionalWorkspaceObject owo = getObject(sourceHandle);
    OS_ASSERT(owo);
    WorkspaceObject srcObj = *owo;

    // only do something if references were forwarded
    OptionalIddField iddField = srcObj.iddObject().getField(index);
    if (!iddField->properties().references.empty()) {
      // get other source objects
      WorkspaceObjectVector sourceObjects = targetObject.sources();
      std::vector<UnsignedVector> sourceIndices;
      // get source index for each source object
      for (const WorkspaceObject& sourceObject : sourceObjects) {
        OS_ASSERT(sourceObject.handle() != sourceHandle);  // pointer already nullified
        UnsignedVector temp = sourceObject.getSourceIndices(targetObject.handle());
        OS_ASSERT(!temp.empty());
        sourceIndices.push_back(temp);
      }
      // loop through reference names
      for (const std::string& referenceName : iddField->properties().references) {
        // see if name is forwarded by any other source objects
        bool found = false;
        auto indIt = sourceIndices.begin();
        for (auto objIt = sourceObjects.begin(), objItEnd = sourceObjects.end(); objIt != objItEnd; ++objIt, ++indIt) {
          for (unsigned index : *indIt) {
            OptionalIddField sourceIddField = (*objIt).iddObject().getField(index);
            OS_ASSERT(sourceIddField);
            StringVector sourceFieldRefs = sourceIddField->properties().references;
            if (std::find_if(sourceFieldRefs.cbegin(), sourceFieldRefs.cend(),
                             [&referenceName](const auto& s) { return istringEqual(s, referenceName); })
                != sourceFieldRefs.end()) {
              found = true;
              break;
            }
          }
        }
        // if not, erase the reference
        if (!found) {
          auto it = m_idfReferencesMap[referenceName].find(targetObject.handle());
          OS_ASSERT(it != m_idfReferencesMap[referenceName].end());
          m_idfReferencesMap[referenceName].erase(it);
        }
      }
    }
  }

  void Workspace_Impl::setFastNaming(bool fastNaming) {
    m_fastNaming = fastNaming;