PDB/Native/RawError.cpp

7a7e6055SDimitry Andric#include "llvm/DebugInfo/PDB/Native/RawError.h"
7a7e6055SDimitry Andric#include "llvm/Support/ErrorHandling.h"
7a7e6055SDimitry Andric#include "llvm/Support/ManagedStatic.h"
7a7e6055SDimitry Andric
7a7e6055SDimitry Andricusing namespace llvm;
7a7e6055SDimitry Andricusing namespace llvm::pdb;
7a7e6055SDimitry Andric
7a7e6055SDimitry Andric// FIXME: This class is only here to support the transition to llvm::Error. It
7a7e6055SDimitry Andric// will be removed once this transition is complete. Clients should prefer to
7a7e6055SDimitry Andric// deal with the Error value directly, rather than converting to error_code.
7a7e6055SDimitry Andricclass RawErrorCategory : public std::error_category {
7a7e6055SDimitry Andricpublic:
7a7e6055SDimitry Andric  const char *name() const noexcept override { return "llvm.pdb.raw"; }
7a7e6055SDimitry Andric  std::string message(int Condition) const override {
7a7e6055SDimitry Andric    switch (static_cast<raw_error_code>(Condition)) {
7a7e6055SDimitry Andric    case raw_error_code::unspecified:
7a7e6055SDimitry Andric      return "An unknown error has occurred.";
7a7e6055SDimitry Andric    case raw_error_code::feature_unsupported:
7a7e6055SDimitry Andric      return "The feature is unsupported by the implementation.";
7a7e6055SDimitry Andric    case raw_error_code::invalid_format:
7a7e6055SDimitry Andric      return "The record is in an unexpected format.";
7a7e6055SDimitry Andric    case raw_error_code::corrupt_file:
7a7e6055SDimitry Andric      return "The PDB file is corrupt.";
7a7e6055SDimitry Andric    case raw_error_code::insufficient_buffer:
7a7e6055SDimitry Andric      return "The buffer is not large enough to read the requested number of "
7a7e6055SDimitry Andric             "bytes.";
7a7e6055SDimitry Andric    case raw_error_code::no_stream:
7a7e6055SDimitry Andric      return "The specified stream could not be loaded.";
7a7e6055SDimitry Andric    case raw_error_code::index_out_of_bounds:
7a7e6055SDimitry Andric      return "The specified item does not exist in the array.";
7a7e6055SDimitry Andric    case raw_error_code::invalid_block_address:
7a7e6055SDimitry Andric      return "The specified block address is not valid.";
7a7e6055SDimitry Andric    case raw_error_code::duplicate_entry:
7a7e6055SDimitry Andric      return "The entry already exists.";
7a7e6055SDimitry Andric    case raw_error_code::no_entry:
7a7e6055SDimitry Andric      return "The entry does not exist.";
7a7e6055SDimitry Andric    case raw_error_code::not_writable:
7a7e6055SDimitry Andric      return "The PDB does not support writing.";
7a7e6055SDimitry Andric    case raw_error_code::stream_too_long:
7a7e6055SDimitry Andric      return "The stream was longer than expected.";
7a7e6055SDimitry Andric    case raw_error_code::invalid_tpi_hash:
7a7e6055SDimitry Andric      return "The Type record has an invalid hash value.";
7a7e6055SDimitry Andric    }
7a7e6055SDimitry Andric    llvm_unreachable("Unrecognized raw_error_code");
7a7e6055SDimitry Andric  }
7a7e6055SDimitry Andric};
7a7e6055SDimitry Andric
*b5893f02SDimitry Andricstatic llvm::ManagedStatic<RawErrorCategory> RawCategory;
*b5893f02SDimitry Andricconst std::error_category &llvm::pdb::RawErrCategory() { return *RawCategory; }
7a7e6055SDimitry Andric
*b5893f02SDimitry Andricchar RawError::ID;