Method ProcessHandler

Source/CTest/cmCTestCoverageHandler.cxx:190–573

clearly it would be nice if this were broken up into a few smaller functions and commented...

// clearly it would be nice if this were broken up into a few smaller
// functions and commented...
int cmCTestCoverageHandler::ProcessHandler()
{
  this->CTest->ClearSubmitFiles(cmCTest::PartCoverage);
  int error = 0;
  // do we have time for this
  if (this->CTest->GetRemainingTimeAllowed() < std::chrono::minutes(2)) {
    return error;
  }

  std::string coverage_start_time = this->CTest->CurrentTime();
  auto coverage_start_time_time = std::chrono::system_clock::now();
  std::string sourceDir =
    this->CTest->GetCTestConfiguration("SourceDirectory");
  std::string binaryDir = this->CTest->GetCTestConfiguration("BuildDirectory");

  if (binaryDir.empty()) {
    cmCTestLog(this->CTest, ERROR_MESSAGE,
               "Binary directory is not set.  "
               "No coverage checking will be performed."
                 << std::endl);
    return 0;
  }
  this->LoadLabels();

  cmGeneratedFileStream ofs;
  auto elapsed_time_start = std::chrono::steady_clock::now();
  if (!this->StartLogFile("Coverage", ofs)) {
    cmCTestLog(this->CTest, ERROR_MESSAGE,
               "Cannot create LastCoverage.log file" << std::endl);
  }

  ofs << "Performing coverage: "
      << elapsed_time_start.time_since_epoch().count() << std::endl;
  this->CleanCoverageLogFiles(ofs);

  cmSystemTools::ConvertToUnixSlashes(sourceDir);
  cmSystemTools::ConvertToUnixSlashes(binaryDir);

  cmCTestOptionalLog(this->CTest, HANDLER_OUTPUT,
                     "Performing coverage" << std::endl, this->Quiet);

  cmCTestCoverageHandlerContainer cont;
  cont.Error = error;
  cont.SourceDir = sourceDir;
  cont.BinaryDir = binaryDir;
  cont.OFS = &ofs;
  cont.Quiet = this->Quiet;

  // setup the regex exclude stuff
  this->CustomCoverageExcludeRegex.clear();
  for (std::string const& rex : this->CustomCoverageExclude) {
    this->CustomCoverageExcludeRegex.emplace_back(rex);
  }

  if (this->HandleBullseyeCoverage(&cont)) {
    return cont.Error;
  }
  int file_count = 0;