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  1. //===-- llvm/Remarks/RemarkFormat.h - The format of remarks -----*- C++/-*-===//
  2. //
  3. // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
  4. // See https://llvm.org/LICENSE.txt for license information.
  5. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
  6. //
  7. //===----------------------------------------------------------------------===//
  8. //
  9. // This file defines utilities to deal with the format of remarks.
  10. //
  11. //===----------------------------------------------------------------------===//
  12.  
  13. #ifndef LLVM_REMARKS_REMARKFORMAT_H
  14. #define LLVM_REMARKS_REMARKFORMAT_H
  15.  
  16. #include "llvm/ADT/StringRef.h"
  17. #include "llvm/Support/Error.h"
  18.  
  19. namespace llvm {
  20. namespace remarks {
  21.  
  22. constexpr StringLiteral Magic("REMARKS");
  23.  
  24. /// The format used for serializing/deserializing remarks.
  25. enum class Format { Unknown, YAML, YAMLStrTab, Bitstream };
  26.  
  27. /// Parse and validate a string for the remark format.
  28. Expected<Format> parseFormat(StringRef FormatStr);
  29.  
  30. /// Parse and validate a magic number to a remark format.
  31. Expected<Format> magicToFormat(StringRef Magic);
  32.  
  33. } // end namespace remarks
  34. } // end namespace llvm
  35.  
  36. #endif // LLVM_REMARKS_REMARKFORMAT_H
  37.