Imported Upstream version 5.18.0.182

Former-commit-id: f9d55cf82631bfd710c387739687e5845296aea1

external/llvm/tools/llvm-mt/llvm-mt.cpp

@@ -1,159 +0,0 @@
-//===- llvm-mt.cpp - Merge .manifest files ---------------------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===---------------------------------------------------------------------===//
-//
-// Merge .manifest files.  This is intended to be a platform-independent port
-// of Microsoft's mt.exe.
-//
-//===---------------------------------------------------------------------===//
-
-#include "llvm/Option/Arg.h"
-#include "llvm/Option/ArgList.h"
-#include "llvm/Option/Option.h"
-#include "llvm/Support/Error.h"
-#include "llvm/Support/FileOutputBuffer.h"
-#include "llvm/Support/ManagedStatic.h"
-#include "llvm/Support/MemoryBuffer.h"
-#include "llvm/Support/Path.h"
-#include "llvm/Support/PrettyStackTrace.h"
-#include "llvm/Support/Process.h"
-#include "llvm/Support/Signals.h"
-#include "llvm/Support/raw_ostream.h"
-#include "llvm/WindowsManifest/WindowsManifestMerger.h"
-
-#include <system_error>
-
-using namespace llvm;
-
-namespace {
-
-enum ID {
-  OPT_INVALID = 0, // This is not an option ID.
-#define OPTION(PREFIX, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM,  \
-               HELPTEXT, METAVAR, VALUES)                                      \
-  OPT_##ID,
-#include "Opts.inc"
-#undef OPTION
-};
-
-#define PREFIX(NAME, VALUE) const char *const NAME[] = VALUE;
-#include "Opts.inc"
-#undef PREFIX
-
-static const opt::OptTable::Info InfoTable[] = {
-#define OPTION(PREFIX, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM,  \
-               HELPTEXT, METAVAR, VALUES)                                      \
-{                                                                              \
-      PREFIX,      NAME,      HELPTEXT,                                        \
-      METAVAR,     OPT_##ID,  opt::Option::KIND##Class,                        \
-      PARAM,       FLAGS,     OPT_##GROUP,                                     \
-      OPT_##ALIAS, ALIASARGS, VALUES},
-#include "Opts.inc"
-#undef OPTION
-};
-
-class CvtResOptTable : public opt::OptTable {
-public:
-  CvtResOptTable() : OptTable(InfoTable, true) {}
-};
-
-static ExitOnError ExitOnErr;
-} // namespace
-
-LLVM_ATTRIBUTE_NORETURN void reportError(Twine Msg) {
-  errs() << "llvm-mt error: " << Msg << "\n";
-  exit(1);
-}
-
-static void reportError(StringRef Input, std::error_code EC) {
-  reportError(Twine(Input) + ": " + EC.message());
-}
-
-void error(std::error_code EC) {
-  if (EC)
-    reportError(EC.message());
-}
-
-void error(Error EC) {
-  if (EC)
-    handleAllErrors(std::move(EC), [&](const ErrorInfoBase &EI) {
-      reportError(EI.message());
-    });
-}
-
-int main(int argc, const char **argv) {
-  sys::PrintStackTraceOnErrorSignal(argv[0]);
-  PrettyStackTraceProgram X(argc, argv);
-
-  ExitOnErr.setBanner("llvm-mt: ");
-
-  SmallVector<const char *, 256> argv_buf;
-  SpecificBumpPtrAllocator<char> ArgAllocator;
-  ExitOnErr(errorCodeToError(sys::Process::GetArgumentVector(
-      argv_buf, makeArrayRef(argv, argc), ArgAllocator)));
-  llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
-
-  CvtResOptTable T;
-  unsigned MAI, MAC;
-  ArrayRef<const char *> ArgsArr = makeArrayRef(argv + 1, argc);
-  opt::InputArgList InputArgs = T.ParseArgs(ArgsArr, MAI, MAC);
-
-  for (auto *Arg : InputArgs.filtered(OPT_INPUT))
-    reportError(Twine("invalid option ") + Arg->getSpelling());
-
-  for (auto &Arg : InputArgs) {
-    if (Arg->getOption().matches(OPT_unsupported)) {
-      outs() << "llvm-mt: ignoring unsupported '" << Arg->getOption().getName()
-             << "' option\n";
-    }
-  }
-
-  if (InputArgs.hasArg(OPT_help)) {
-    T.PrintHelp(outs(), "mt", "Manifest Tool", false);
-    return 0;
-  }
-
-  std::vector<std::string> InputFiles = InputArgs.getAllArgValues(OPT_manifest);
-
-  if (InputFiles.size() == 0) {
-    reportError("no input file specified");
-  }
-
-  StringRef OutputFile;
-  if (InputArgs.hasArg(OPT_out)) {
-    OutputFile = InputArgs.getLastArgValue(OPT_out);
-  } else if (InputFiles.size() == 1) {
-    OutputFile = InputFiles[0];
-  } else {
-    reportError("no output file specified");
-  }
-
-  windows_manifest::WindowsManifestMerger Merger;
-
-  for (const auto &File : InputFiles) {
-    ErrorOr<std::unique_ptr<MemoryBuffer>> ManifestOrErr =
-        MemoryBuffer::getFile(File);
-    if (!ManifestOrErr)
-      reportError(File, ManifestOrErr.getError());
-    MemoryBuffer &Manifest = *ManifestOrErr.get();
-    error(Merger.merge(Manifest));
-  }
-
-  std::unique_ptr<MemoryBuffer> OutputBuffer = Merger.getMergedManifest();
-  if (!OutputBuffer)
-    reportError("empty manifest not written");
-  Expected<std::unique_ptr<FileOutputBuffer>> FileOrErr =
-      FileOutputBuffer::create(OutputFile, OutputBuffer->getBufferSize());
-  if (!FileOrErr)
-    reportError(OutputFile, errorToErrorCode(FileOrErr.takeError()));
-  std::unique_ptr<FileOutputBuffer> FileBuffer = std::move(*FileOrErr);
-  std::copy(OutputBuffer->getBufferStart(), OutputBuffer->getBufferEnd(),
-            FileBuffer->getBufferStart());
-  error(FileBuffer->commit());
-  return 0;
-}