static std::unique_ptr WriteResponseFile()

in tools/worker/swift_runner.cc [33:54]

• 17 lines of code
• 5 McCabe index (conditional complexity)

static std::unique_ptr<TempFile> WriteResponseFile(
    const std::vector<std::string> &args) {
  auto response_file = TempFile::Create("swiftc_params.XXXXXX");
  std::ofstream response_file_stream(response_file->GetPath());

  for (const auto &arg : args) {
    // When Clang/Swift write out a response file to communicate from driver to
    // frontend, they just quote every argument to be safe; we duplicate that
    // instead of trying to be "smarter" and only quoting when necessary.
    response_file_stream << '"';
    for (auto ch : arg) {
      if (ch == '"' || ch == '\\') {
        response_file_stream << '\\';
      }
      response_file_stream << ch;
    }
    response_file_stream << "\"\n";
  }

  response_file_stream.close();
  return response_file;
}