--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clang-tools-extra/modularize/Modularize.h	Thu Feb 13 15:10:13 2020 +0900
@@ -0,0 +1,53 @@
+//===--- Modularize.h - Common definitions for Modularize -*- 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
+//
+//===--------------------------------------------------------------------===//
+///
+/// \file
+/// Common definitions for Modularize.
+///
+//===--------------------------------------------------------------------===//
+
+#ifndef MODULARIZE_H
+#define MODULARIZE_H
+
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/StringMap.h"
+#include "llvm/ADT/StringRef.h"
+#include <string>
+#include <vector>
+
+// Save the program name for error messages.
+extern const char *Argv0;
+// Save the command line for comments.
+extern std::string CommandLine;
+
+// Dependency types.
+typedef llvm::SmallVector<std::string, 4> DependentsVector;
+typedef llvm::StringMap<DependentsVector> DependencyMap;
+
+// Global function declarations.
+
+/// Create the module map file.
+/// \param ModuleMapPath The path to the module map file to be generated.
+/// \param HeaderFileNames The list of header files, absolute native paths.
+/// \param ProblemFileNames The list of problem header files.
+/// \param Dependencies Map of headers that depend on other headers.
+/// \param HeaderPrefix Tells the code where the headers are, if they
+///   aren's in the current directory, allowing the generator to strip
+///   the leading, non-relative beginning of the header paths.
+/// RootModuleName If not empty, specifies that a root module
+///   should be created with this name.
+/// \returns True if successful.
+bool createModuleMap(llvm::StringRef ModuleMapPath,
+                     llvm::ArrayRef<std::string> HeaderFileNames,
+                     llvm::ArrayRef<std::string> ProblemFileNames,
+                     DependencyMap &Dependencies, llvm::StringRef HeaderPrefix,
+                     llvm::StringRef RootModuleName);
+
+#endif // MODULARIZE_H