Function GetNumericArguments

Source/cmGeneratorExpressionNode.cxx:812–835

template <typename IndexType>
bool GetNumericArguments(
  cm::GenEx::Evaluation* eval, GeneratorExpressionContent const* cnt,
  Arguments args, std::vector<IndexType>& indexes,
  cmList::ExpandElements expandElements = cmList::ExpandElements::No)
{
  using IndexRange = cmRange<Arguments::const_iterator>;
  IndexRange arguments(args.begin(), args.end());
  cmList list;
  if (expandElements == cmList::ExpandElements::Yes) {
    list = cmList{ args.begin(), args.end(), expandElements };
    arguments = IndexRange{ list.begin(), list.end() };
  }

  for (auto const& value : arguments) {
    IndexType index;
    if (!GetNumericArgument(value, index)) {
      reportError(eval, cnt->GetOriginalExpression(),
                  cmStrCat("index: \"", value, "\" is not a valid index"));
      return false;
    }
    indexes.push_back(index);
  }
  return true;
}

bool CheckPathParametersEx(cm::GenEx::Evaluation* eval,
                           GeneratorExpressionContent const* cnt,