llvm/lib/DebugInfo/PDB/DIA/DIAError.cpp

   1 #include "llvm/DebugInfo/PDB/DIA/DIAError.h"
   2 #include "llvm/Support/ErrorHandling.h"
   3
   4 using namespace llvm;
   5 using namespace llvm::pdb;
   6
   7 // FIXME: This class is only here to support the transition to llvm::Error. It
   8 // will be removed once this transition is complete. Clients should prefer to
   9 // deal with the Error value directly, rather than converting to error_code.
  10 class DIAErrorCategory : public std::error_category {
  11 public:
  12   const char *name() const noexcept override { return "llvm.pdb.dia"; }
  13   std::string message(int Condition) const override {
  14     switch (static_cast<dia_error_code>(Condition)) {
  15     case dia_error_code::could_not_create_impl:
  16       return "Failed to connect to DIA at runtime. Verify that Visual Studio "
  17              "is properly installed, or that msdiaXX.dll is in your PATH.";
  18     case dia_error_code::invalid_file_format:
  19       return "Unable to load PDB. The file has an unrecognized format.";
  20     case dia_error_code::invalid_parameter:
  21       return "The parameter is incorrect.";
  22     case dia_error_code::already_loaded:
  23       return "Unable to load the PDB or EXE, because it is already loaded.";
  24     case dia_error_code::debug_info_mismatch:
  25       return "The PDB file and the EXE file do not match.";
  26     case dia_error_code::unspecified:
  27       return "An unknown error has occurred.";
  28     }
  29     llvm_unreachable("Unrecognized DIAErrorCode");
  30   }
  31 };
  32
  33 const std::error_category &llvm::pdb::DIAErrCategory() {
  34   static DIAErrorCategory DIACategory;
  35   return DIACategory;
  36 }
  37
  38 char DIAError::ID;