--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clang-tools-extra/clang-tidy/ClangTidyModule.cpp	Thu Feb 13 15:10:13 2020 +0900
@@ -0,0 +1,38 @@
+//===--- tools/extra/clang-tidy/ClangTidyModule.cpp - Clang tidy tool -----===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+///
+///  \file Implements classes required to build clang-tidy modules.
+///
+//===----------------------------------------------------------------------===//
+
+#include "ClangTidyModule.h"
+
+namespace clang {
+namespace tidy {
+
+void ClangTidyCheckFactories::registerCheckFactory(StringRef Name,
+                                                   CheckFactory Factory) {
+  Factories[std::string(Name)] = std::move(Factory);
+}
+
+std::vector<std::unique_ptr<ClangTidyCheck>>
+ClangTidyCheckFactories::createChecks(ClangTidyContext *Context) {
+  std::vector<std::unique_ptr<ClangTidyCheck>> Checks;
+  for (const auto &Factory : Factories) {
+    if (Context->isCheckEnabled(Factory.first))
+      Checks.emplace_back(Factory.second(Factory.first, Context));
+  }
+  return Checks;
+}
+
+ClangTidyOptions ClangTidyModule::getModuleOptions() {
+  return ClangTidyOptions();
+}
+
+} // namespace tidy
+} // namespace clang