Method ProcessHandler

Source/CTest/cmCTestBuildHandler.cxx:250–459

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 cmCTestBuildHandler::ProcessHandler()
{
  cmCTestOptionalLog(this->CTest, HANDLER_OUTPUT, "Build project" << std::endl,
                     this->Quiet);

  // do we have time for this
  if (this->CTest->GetRemainingTimeAllowed() < std::chrono::minutes(2)) {
    return 0;
  }

  int entry;
  for (entry = 0; cmCTestWarningErrorFileLine[entry].RegularExpressionString;
       ++entry) {
    cmCTestBuildHandler::cmCTestCompileErrorWarningRex r;
    if (r.RegularExpression.compile(
          cmCTestWarningErrorFileLine[entry].RegularExpressionString)) {
      r.FileIndex = cmCTestWarningErrorFileLine[entry].FileIndex;
      r.LineIndex = cmCTestWarningErrorFileLine[entry].LineIndex;
      this->ErrorWarningFileLineRegex.push_back(std::move(r));
    } else {
      cmCTestLog(
        this->CTest, ERROR_MESSAGE,
        "Problem Compiling regular expression: "
          << cmCTestWarningErrorFileLine[entry].RegularExpressionString
          << std::endl);
    }
  }

  // Determine build command and build directory
  std::string makeCommand = this->GetMakeCommand();
  if (makeCommand.empty()) {
    cmCTestLog(this->CTest, ERROR_MESSAGE,
               "Cannot find MakeCommand key in the DartConfiguration.tcl"
                 << std::endl);
    return -1;
  }

  std::string const& buildDirectory =
    this->CTest->GetCTestConfiguration("BuildDirectory");
  if (buildDirectory.empty()) {
    cmCTestLog(this->CTest, ERROR_MESSAGE,
               "Cannot find BuildDirectory  key in the DartConfiguration.tcl"
                 << std::endl);
    return -1;
  }

  std::string const& useLaunchers =
    this->CTest->GetCTestConfiguration("UseLaunchers");
  this->UseCTestLaunch = cmIsOn(useLaunchers);

  // Create a last build log
  cmGeneratedFileStream ofs;
  auto elapsed_time_start = std::chrono::steady_clock::now();
  if (!this->StartLogFile("Build", ofs)) {
    cmCTestLog(this->CTest, ERROR_MESSAGE,
               "Cannot create build log file" << std::endl);
  }