1 files changed, 117 insertions, 0 deletions
diff --git a/tools/llvm-mt/llvm-mt.cpp b/tools/llvm-mt/llvm-mt.cpp
new file mode 100644
index 0000000000000..05c9238c7c645
--- /dev/null
+++ b/tools/llvm-mt/llvm-mt.cpp
@@ -0,0 +1,117 @@
+//===- 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/ManagedStatic.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 <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);
+}
+
+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) {
+    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");
+  }
+
+  return 0;
+}