Subversion Repositories QNX 8.QNX8 LLVM/Clang compiler suite

//===- llvm/Testing/ADT/StringMap.h ---------------------------------------===//

//

// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.

// See https://llvm.org/LICENSE.txt for license information.

// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

//

//===----------------------------------------------------------------------===//

#ifndef LLVM_TESTING_ADT_STRINGMAP_H_

#define LLVM_TESTING_ADT_STRINGMAP_H_

#include "llvm/ADT/STLExtras.h"

#include "llvm/ADT/StringMap.h"

#include "llvm/Support/FormatVariadic.h"

#include "llvm/Testing/ADT/StringMapEntry.h"

#include <ostream>

#include <sstream>

namespace llvm {

/// Support for printing to std::ostream, for use with e.g. producing more

/// useful error messages with Google Test.

template <typename T>

std::ostream &operator<<(std::ostream &OS, const StringMap<T> &M) {

  if (M.empty()) {

    return OS << "{ }";

  }

  std::vector<std::string> Lines;

  for (const auto &E : M) {

    std::ostringstream SS;

    SS << E << ",";

    Lines.push_back(SS.str());

  }

  llvm::sort(Lines);

  Lines.insert(Lines.begin(), "{");

  Lines.insert(Lines.end(), "}");

  return OS << llvm::formatv("{0:$[\n]}",

                             make_range(Lines.begin(), Lines.end()))

                   .str();

}

} // namespace llvm

#endif