Method VisitEntry

Source/cmComputeLinkDepends.cxx:1565–1620

}

void cmComputeLinkDepends::VisitEntry(size_t index)
{
  // Include this entry on the link line.
  this->FinalLinkOrder.push_back(index);

  // This entry has now been seen.  Update its component.
  bool completed = false;
  size_t component = this->CCG->GetComponentMap()[index];
  auto mi = this->PendingComponents.find(this->ComponentOrder[component]);
  if (mi != this->PendingComponents.end()) {
    // The entry is in an already pending component.
    PendingComponent& pc = mi->second;

    // Remove the entry from those pending in its component.
    pc.Entries.erase(index);
    if (pc.Entries.empty()) {
      // The complete component has been seen since it was last needed.
      --pc.Count;

      if (pc.Count == 0) {
        // The component has been completed.
        this->PendingComponents.erase(mi);
        completed = true;
      } else {
        // The whole component needs to be seen again.
        NodeList const& nl = this->CCG->GetComponent(component);
        assert(nl.size() > 1);
        pc.Entries.insert(nl.begin(), nl.end());
      }
    }
  } else {
    // The entry is not in an already pending component.
    NodeList const& nl = this->CCG->GetComponent(component);
    if (nl.size() > 1) {
      // This is a non-trivial component.  It is now pending.
      PendingComponent& pc = this->MakePendingComponent(component);

      // The starting entry has already been seen.
      pc.Entries.erase(index);
    } else {
      // This is a trivial component, so it is already complete.
      completed = true;
    }
  }

  // If the entry completed a component, the component's dependencies
  // are now pending.
  if (completed) {
    EdgeList const& ol = this->CCG->GetComponentGraphEdges(component);
    for (cmGraphEdge const& oi : ol) {
      // This entire component is now pending no matter whether it has
      // been partially seen already.
      this->MakePendingComponent(oi);
    }
  }
}

cmComputeLinkDepends::PendingComponent&