diff options
Diffstat (limited to 'lib/DebugInfo/PDB/DIA/DIAError.cpp')
-rw-r--r-- | lib/DebugInfo/PDB/DIA/DIAError.cpp | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/lib/DebugInfo/PDB/DIA/DIAError.cpp b/lib/DebugInfo/PDB/DIA/DIAError.cpp new file mode 100644 index 000000000000..1d72a92b5145 --- /dev/null +++ b/lib/DebugInfo/PDB/DIA/DIAError.cpp @@ -0,0 +1,59 @@ +#include "llvm/DebugInfo/PDB/DIA/DIAError.h" +#include "llvm/Support/ErrorHandling.h" +#include "llvm/Support/ManagedStatic.h" + +using namespace llvm; +using namespace llvm::pdb; + +// 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 DIAErrorCategory : public std::error_category { +public: + const char *name() const LLVM_NOEXCEPT override { return "llvm.pdb.dia"; } + + std::string message(int Condition) const override { + switch (static_cast<dia_error_code>(Condition)) { + case dia_error_code::could_not_create_impl: + return "Failed to connect to DIA at runtime. Verify that Visual Studio " + "is properly installed, or that msdiaXX.dll is in your PATH."; + case dia_error_code::invalid_file_format: + return "Unable to load PDB. The file has an unrecognized format."; + case dia_error_code::invalid_parameter: + return "The parameter is incorrect."; + case dia_error_code::already_loaded: + return "Unable to load the PDB or EXE, because it is already loaded."; + case dia_error_code::debug_info_mismatch: + return "The PDB file and the EXE file do not match."; + case dia_error_code::unspecified: + return "An unknown error has occurred."; + } + llvm_unreachable("Unrecognized DIAErrorCode"); + } +}; + +static ManagedStatic<DIAErrorCategory> Category; + +char DIAError::ID = 0; + +DIAError::DIAError(dia_error_code C) : DIAError(C, "") {} + +DIAError::DIAError(const std::string &Context) + : DIAError(dia_error_code::unspecified, Context) {} + +DIAError::DIAError(dia_error_code C, const std::string &Context) : Code(C) { + ErrMsg = "DIA Error: "; + std::error_code EC = convertToErrorCode(); + if (Code != dia_error_code::unspecified) + ErrMsg += EC.message() + " "; + if (!Context.empty()) + ErrMsg += Context; +} + +void DIAError::log(raw_ostream &OS) const { OS << ErrMsg << "\n"; } + +const std::string &DIAError::getErrorMessage() const { return ErrMsg; } + +std::error_code DIAError::convertToErrorCode() const { + return std::error_code(static_cast<int>(Code), *Category); +} |