lib/DebugInfo/PDB/Native/RawError.cpp

   1 #include "llvm/DebugInfo/PDB/Native/RawError.h"
   2 #include "llvm/Support/ErrorHandling.h"
   3 #include "llvm/Support/ManagedStatic.h"
   4
   5 using namespace llvm;
   6 using namespace llvm::pdb;
   7
   8 namespace {
   9 // FIXME: This class is only here to support the transition to llvm::Error. It
  10 // will be removed once this transition is complete. Clients should prefer to
  11 // deal with the Error value directly, rather than converting to error_code.
  12 class RawErrorCategory : public std::error_category {
  13 public:
  14   const char *name() const noexcept override { return "llvm.pdb.raw"; }
  15   std::string message(int Condition) const override {
  16     switch (static_cast<raw_error_code>(Condition)) {
  17     case raw_error_code::unspecified:
  18       return "An unknown error has occurred.";
  19     case raw_error_code::feature_unsupported:
  20       return "The feature is unsupported by the implementation.";
  21     case raw_error_code::invalid_format:
  22       return "The record is in an unexpected format.";
  23     case raw_error_code::corrupt_file:
  24       return "The PDB file is corrupt.";
  25     case raw_error_code::insufficient_buffer:
  26       return "The buffer is not large enough to read the requested number of "
  27              "bytes.";
  28     case raw_error_code::no_stream:
  29       return "The specified stream could not be loaded.";
  30     case raw_error_code::index_out_of_bounds:
  31       return "The specified item does not exist in the array.";
  32     case raw_error_code::invalid_block_address:
  33       return "The specified block address is not valid.";
  34     case raw_error_code::duplicate_entry:
  35       return "The entry already exists.";
  36     case raw_error_code::no_entry:
  37       return "The entry does not exist.";
  38     case raw_error_code::not_writable:
  39       return "The PDB does not support writing.";
  40     case raw_error_code::stream_too_long:
  41       return "The stream was longer than expected.";
  42     case raw_error_code::invalid_tpi_hash:
  43       return "The Type record has an invalid hash value.";
  44     }
  45     llvm_unreachable("Unrecognized raw_error_code");
  46   }
  47 };
  48 } // namespace
  49
  50 static llvm::ManagedStatic<RawErrorCategory> RawCategory;
  51 const std::error_category &llvm::pdb::RawErrCategory() { return *RawCategory; }
  52
  53 char RawError::ID;