--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clang-tools-extra/clang-tidy/fuchsia/RestrictSystemIncludesCheck.h	Thu Feb 13 15:10:13 2020 +0900
@@ -0,0 +1,47 @@
+//===--- RestrictSystemIncludesCheck.h - clang-tidy---------- ----*- C++-*-===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_FUCHSIA_RESTRICTINCLUDESSCHECK_H
+#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_FUCHSIA_RESTRICTINCLUDESSCHECK_H
+
+#include "../ClangTidyCheck.h"
+#include "../GlobList.h"
+
+namespace clang {
+namespace tidy {
+namespace fuchsia {
+
+/// Checks for allowed includes and suggests removal of any others. If no
+/// includes are specified, the check will exit without issuing any warnings.
+///
+/// For the user-facing documentation see:
+/// http://clang.llvm.org/extra/clang-tidy/checks/fuchsia-restrict-system-includes.html
+class RestrictSystemIncludesCheck : public ClangTidyCheck {
+public:
+  RestrictSystemIncludesCheck(StringRef Name, ClangTidyContext *Context)
+      : ClangTidyCheck(Name, Context),
+        AllowedIncludes(Options.get("Includes", "*")),
+        AllowedIncludesGlobList(AllowedIncludes) {}
+
+  void registerPPCallbacks(const SourceManager &SM, Preprocessor *PP,
+                           Preprocessor *ModuleExpanderPP) override;
+  void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
+  bool contains(StringRef FileName) {
+    return AllowedIncludesGlobList.contains(FileName);
+  }
+
+private:
+  std::string AllowedIncludes;
+  GlobList AllowedIncludesGlobList;
+};
+
+} // namespace fuchsia
+} // namespace tidy
+} // namespace clang
+
+#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_FUCHSIA_RESTRICTINCLUDESSCHECK_H