Method ResolveTargetsInGeneratorExpression

Source/cmExportFileGenerator.cxx:414–510

}

void cmExportFileGenerator::ResolveTargetsInGeneratorExpression(
  std::string& input, cmGeneratorTarget const* target,
  cmLocalGenerator const* lg)
{
  std::string::size_type pos = 0;
  std::string::size_type lastPos = pos;

  while ((pos = input.find("$<TARGET_PROPERTY:", lastPos)) !=
         std::string::npos) {
    std::string::size_type nameStartPos = pos + cmStrLen("$<TARGET_PROPERTY:");
    std::string::size_type closePos = input.find('>', nameStartPos);
    std::string::size_type commaPos = input.find(',', nameStartPos);
    std::string::size_type nextOpenPos = input.find("$<", nameStartPos);
    if (commaPos == std::string::npos    // Implied 'this' target
        || closePos == std::string::npos // Incomplete expression.
        || closePos < commaPos           // Implied 'this' target
        || nextOpenPos < commaPos)       // Non-literal
    {
      lastPos = nameStartPos;
      continue;
    }

    std::string targetName =
      input.substr(nameStartPos, commaPos - nameStartPos);

    if (this->AddTargetNamespace(targetName, target, lg)) {
      input.replace(nameStartPos, commaPos - nameStartPos, targetName);
    }
    lastPos = nameStartPos + targetName.size() + 1;
  }

  std::string errorString;
  pos = 0;
  lastPos = pos;
  while ((pos = input.find("$<TARGET_NAME:", lastPos)) != std::string::npos) {
    std::string::size_type nameStartPos = pos + cmStrLen("$<TARGET_NAME:");
    std::string::size_type endPos = input.find('>', nameStartPos);
    if (endPos == std::string::npos) {
      errorString = "$<TARGET_NAME:...> expression incomplete";
      break;
    }
    std::string targetName = input.substr(nameStartPos, endPos - nameStartPos);
    if (targetName.find("$<") != std::string::npos) {
      errorString = "$<TARGET_NAME:...> requires its parameter to be a "
                    "literal.";
      break;
    }
    if (!this->AddTargetNamespace(targetName, target, lg)) {
      errorString = "$<TARGET_NAME:...> requires its parameter to be a "
                    "reachable target.";
      break;
    }
    input.replace(pos, endPos - pos + 1, targetName);
    lastPos = pos + targetName.size();
  }

  pos = 0;
  lastPos = pos;