1 files changed, 38 insertions, 0 deletions
diff --git a/clang/lib/Format/IntegerLiteralSeparatorFixer.h b/clang/lib/Format/IntegerLiteralSeparatorFixer.h
new file mode 100644
index 000000000000..156bf5c14fca
--- /dev/null
+++ b/clang/lib/Format/IntegerLiteralSeparatorFixer.h
@@ -0,0 +1,38 @@
+//===--- IntegerLiteralSeparatorFixer.h -------------------------*- 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
+/// This file declares IntegerLiteralSeparatorFixer that fixes C++ integer
+/// literal separators.
+///
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_LIB_FORMAT_INTEGERLITERALSEPARATORFIXER_H
+#define LLVM_CLANG_LIB_FORMAT_INTEGERLITERALSEPARATORFIXER_H
+
+#include "TokenAnalyzer.h"
+
+namespace clang {
+namespace format {
+
+class IntegerLiteralSeparatorFixer {
+public:
+  std::pair<tooling::Replacements, unsigned> process(const Environment &Env,
+                                                     const FormatStyle &Style);
+
+private:
+  bool checkSeparator(const StringRef IntegerLiteral, int DigitsPerGroup) const;
+  std::string format(const StringRef IntegerLiteral, int DigitsPerGroup) const;
+
+  char Separator;
+};
+
+} // end namespace format
+} // end namespace clang
+
+#endif