Method WriteUnitySource

Source/cmLocalGenerator.cxx:3060–3092

}

cmLocalGenerator::UnitySource cmLocalGenerator::WriteUnitySource(
  cmGeneratorTarget* target, std::vector<std::string> const& configs,
  cmRange<std::vector<UnityBatchedSource>::const_iterator> sources,
  cmValue beforeInclude, cmValue afterInclude, std::string filename,
  std::string const& unityFileDirectory, UnityPathMode pathMode) const
{
  cmValue uniqueIdName = target->GetProperty("UNITY_BUILD_UNIQUE_ID");
  cmGeneratedFileStream file(
    filename, false, target->GetGlobalGenerator()->GetMakefileEncoding());
  file.SetCopyIfDifferent(true);
  file << "/* generated by CMake */\n\n";

  bool perConfig = false;
  for (UnityBatchedSource const& ubs : sources) {
    cm::optional<std::string> cond;
    if (ubs.Configs.size() != configs.size()) {
      perConfig = true;
      cond = std::string();
      cm::string_view sep;
      for (size_t ci : ubs.Configs) {
        cond = cmStrCat(*cond, sep, "defined(CMAKE_UNITY_CONFIG_",
                        cmSystemTools::UpperCase(configs[ci]), ')');
        sep = " || "_s;
      }
    }
    RegisterUnitySources(target, ubs.Source, filename);
    WriteUnitySourceInclude(file, cond, ubs.Source->ResolveFullPath(),
                            beforeInclude, afterInclude, uniqueIdName,
                            pathMode, unityFileDirectory);
  }

  return UnitySource(std::move(filename), perConfig);
}

void cmLocalGenerator::WriteUnitySourceInclude(
  std::ostream& unity_file, cm::optional<std::string> const& cond,