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  1. //===- BinaryStreamError.h - Error extensions for Binary Streams *- 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. #ifndef LLVM_SUPPORT_BINARYSTREAMERROR_H
  10. #define LLVM_SUPPORT_BINARYSTREAMERROR_H
  11.  
  12. #include "llvm/ADT/StringRef.h"
  13. #include "llvm/Support/Error.h"
  14.  
  15. #include <string>
  16.  
  17. namespace llvm {
  18. enum class stream_error_code {
  19.   unspecified,
  20.   stream_too_short,
  21.   invalid_array_size,
  22.   invalid_offset,
  23.   filesystem_error
  24. };
  25.  
  26. /// Base class for errors originating when parsing raw PDB files
  27. class BinaryStreamError : public ErrorInfo<BinaryStreamError> {
  28. public:
  29.   static char ID;
  30.   explicit BinaryStreamError(stream_error_code C);
  31.   explicit BinaryStreamError(StringRef Context);
  32.   BinaryStreamError(stream_error_code C, StringRef Context);
  33.  
  34.   void log(raw_ostream &OS) const override;
  35.   std::error_code convertToErrorCode() const override;
  36.  
  37.   StringRef getErrorMessage() const;
  38.  
  39.   stream_error_code getErrorCode() const { return Code; }
  40.  
  41. private:
  42.   std::string ErrMsg;
  43.   stream_error_code Code;
  44. };
  45. } // namespace llvm
  46.  
  47. #endif // LLVM_SUPPORT_BINARYSTREAMERROR_H
  48.