| #include "llvm/DebugInfo/PDB/Native/RawError.h" |
| #include "llvm/Support/ErrorHandling.h" |
| #include "llvm/Support/ManagedStatic.h" |
| |
| using namespace llvm; |
| using namespace llvm::pdb; |
| |
| namespace { |
| // FIXME: This class is only here to support the transition to llvm::Error. It |
| // will be removed once this transition is complete. Clients should prefer to |
| // deal with the Error value directly, rather than converting to error_code. |
| class RawErrorCategory : public std::error_category { |
| public: |
| const char *name() const noexcept override { return "llvm.pdb.raw"; } |
| |
| std::string message(int Condition) const override { |
| switch (static_cast<raw_error_code>(Condition)) { |
| case raw_error_code::unspecified: |
| return "An unknown error has occurred."; |
| case raw_error_code::feature_unsupported: |
| return "The feature is unsupported by the implementation."; |
| case raw_error_code::invalid_format: |
| return "The record is in an unexpected format."; |
| case raw_error_code::corrupt_file: |
| return "The PDB file is corrupt."; |
| case raw_error_code::insufficient_buffer: |
| return "The buffer is not large enough to read the requested number of " |
| "bytes."; |
| case raw_error_code::no_stream: |
| return "The specified stream could not be loaded."; |
| case raw_error_code::index_out_of_bounds: |
| return "The specified item does not exist in the array."; |
| case raw_error_code::invalid_block_address: |
| return "The specified block address is not valid."; |
| case raw_error_code::duplicate_entry: |
| return "The entry already exists."; |
| case raw_error_code::no_entry: |
| return "The entry does not exist."; |
| case raw_error_code::not_writable: |
| return "The PDB does not support writing."; |
| case raw_error_code::stream_too_long: |
| return "The stream was longer than expected."; |
| case raw_error_code::invalid_tpi_hash: |
| return "The Type record has an invalid hash value."; |
| } |
| llvm_unreachable("Unrecognized raw_error_code"); |
| } |
| }; |
| } // end anonymous namespace |
| |
| static ManagedStatic<RawErrorCategory> Category; |
| |
| char RawError::ID = 0; |
| |
| RawError::RawError(raw_error_code C) : RawError(C, "") {} |
| |
| RawError::RawError(const std::string &Context) |
| : RawError(raw_error_code::unspecified, Context) {} |
| |
| RawError::RawError(raw_error_code C, const std::string &Context) : Code(C) { |
| ErrMsg = "Native PDB Error: "; |
| std::error_code EC = convertToErrorCode(); |
| if (Code != raw_error_code::unspecified) |
| ErrMsg += EC.message() + " "; |
| if (!Context.empty()) |
| ErrMsg += Context; |
| } |
| |
| void RawError::log(raw_ostream &OS) const { OS << ErrMsg << "\n"; } |
| |
| const std::string &RawError::getErrorMessage() const { return ErrMsg; } |
| |
| std::error_code RawError::convertToErrorCode() const { |
| return std::error_code(static_cast<int>(Code), *Category); |
| } |