Method VariableAccessed

Source/cmVariableWatch.cxx:65–86

}

bool cmVariableWatch::VariableAccessed(std::string const& variable,
                                       int access_type, char const* newValue,
                                       cmMakefile const* mf) const
{
  auto mit = this->WatchMap.find(variable);
  if (mit != this->WatchMap.end()) {
    // The strategy here is to copy the list of callbacks, and ignore
    // new callbacks that existing ones may add.
    std::vector<std::weak_ptr<Pair>> vp(mit->second.begin(),
                                        mit->second.end());
    for (auto& weak_it : vp) {
      // In the case where a callback was removed, the weak_ptr will not be
      // lockable, and so this ensures we don't attempt to call into freed
      // memory
      if (auto it = weak_it.lock()) {
        it->Method(variable, access_type, it->ClientData, newValue, mf);
      }
    }
    return true;
  }
  return false;
}