Imported Upstream version 5.18.0.207

Former-commit-id: 3b152f462918d427ce18620a2cbe4f8b79650449

external/llvm/lib/DebugInfo/PDB/GenericError.cpp

@@ -1,68 +0,0 @@
-//===- Error.cpp - system_error extensions for PDB --------------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/DebugInfo/PDB/GenericError.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 GenericErrorCategory : public std::error_category {
-public:
-  const char *name() const noexcept override { return "llvm.pdb"; }
-
-  std::string message(int Condition) const override {
-    switch (static_cast<generic_error_code>(Condition)) {
-    case generic_error_code::unspecified:
-      return "An unknown error has occurred.";
-    case generic_error_code::type_server_not_found:
-      return "Type server PDB was not found.";
-    case generic_error_code::dia_sdk_not_present:
-      return "LLVM was not compiled with support for DIA.  This usually means "
-             "that you are are not using MSVC, or your Visual Studio "
-             "installation "
-             "is corrupt.";
-    case generic_error_code::invalid_path:
-      return "Unable to load PDB.  Make sure the file exists and is readable.";
-    }
-    llvm_unreachable("Unrecognized generic_error_code");
-  }
-};
-} // end anonymous namespace
-
-static ManagedStatic<GenericErrorCategory> Category;
-
-char GenericError::ID = 0;
-
-GenericError::GenericError(generic_error_code C) : GenericError(C, "") {}
-
-GenericError::GenericError(StringRef Context)
-    : GenericError(generic_error_code::unspecified, Context) {}
-
-GenericError::GenericError(generic_error_code C, StringRef Context) : Code(C) {
-  ErrMsg = "PDB Error: ";
-  std::error_code EC = convertToErrorCode();
-  if (Code != generic_error_code::unspecified)
-    ErrMsg += EC.message() + "  ";
-  if (!Context.empty())
-    ErrMsg += Context;
-}
-
-void GenericError::log(raw_ostream &OS) const { OS << ErrMsg << "\n"; }
-
-StringRef GenericError::getErrorMessage() const { return ErrMsg; }
-
-std::error_code GenericError::convertToErrorCode() const {
-  return std::error_code(static_cast<int>(Code), *Category);
-}