Method ExportSwiftObjectCompileCommand

Source/cmNinjaTargetGenerator.cxx:2354–2426

}

void cmNinjaTargetGenerator::ExportSwiftObjectCompileCommand(
  std::vector<cmSourceFile const*> const& moduleSourceFiles,
  std::string const& moduleObjectFilename, std::string const& flags,
  std::string const& defines, std::string const& includes,
  std::string const& outputConfig, bool singleOutput)
{
  if (!this->GeneratorTarget->GetPropertyAsBool("EXPORT_COMPILE_COMMANDS")) {
    return;
  }

  auto escapeSourceFileName = [this](std::string srcFilename) -> std::string {
    if (!cmSystemTools::FileIsFullPath(srcFilename)) {
      srcFilename =
        cmSystemTools::CollapseFullPath(srcFilename,
                                        this->GetGlobalGenerator()
                                          ->GetCMakeInstance()
                                          ->GetHomeOutputDirectory());
    }

    return this->LocalGenerator->ConvertToOutputFormat(
      srcFilename, cmOutputConverter::SHELL);
  };
  auto escapedModuleObjectFilename =
    this->ConvertToNinjaPath(moduleObjectFilename);

  cmRulePlaceholderExpander::RuleVariables compileObjectVars;
  compileObjectVars.Language = "Swift";
  compileObjectVars.Flags = flags.c_str();
  compileObjectVars.Defines = defines.c_str();
  compileObjectVars.Includes = includes.c_str();

  // Build up the list of source files in the module
  std::vector<std::string> filenames;
  filenames.reserve(moduleSourceFiles.size());
  for (cmSourceFile const* sf : moduleSourceFiles) {
    filenames.emplace_back(
      escapeSourceFileName(this->GetCompiledSourceNinjaPath(sf)));
  }
  // Note that `escapedSourceFilenames` must remain alive until the
  // compileObjectVars is consumed or Source will be a dangling pointer.
  std::string const escapedSourceFilenames = cmJoin(filenames, " ");
  compileObjectVars.Source = escapedSourceFilenames.c_str();

  std::string const& compileCommand =
    this->Makefile->GetRequiredDefinition("CMAKE_Swift_COMPILE_OBJECT");
  cmList compileCmds(compileCommand);

  auto rulePlaceholderExpander =
    this->GetLocalGenerator()->CreateRulePlaceholderExpander();

  for (cmSourceFile const* sf : moduleSourceFiles) {
    std::string const sourceFilename = this->GetCompiledSourceNinjaPath(sf);
    std::string objectFilename = escapedModuleObjectFilename;

    if (!singleOutput) {
      // If it's not single-output, each source file gets a separate object
      objectFilename =
        this->ConvertToNinjaPath(this->GetObjectFilePath(sf, outputConfig));