//===- ArchitectureSet.cpp ------------------------------------------------===//

//

// 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

//

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

//

// Implements the architecture set.

//

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

#include "llvm/TextAPI/ArchitectureSet.h"

#include "llvm/Support/raw_ostream.h"

namespace llvm {

namespace MachO {

ArchitectureSet::ArchitectureSet(const std::vector<Architecture> &Archs)

    : ArchitectureSet() {

  for (auto Arch : Archs) {

    if (Arch == AK_unknown)

      continue;

    set(Arch);

  }

}

size_t ArchitectureSet::count() const {

  // popcnt

  size_t Cnt = 0;

  for (unsigned i = 0; i < sizeof(ArchSetType) * 8; ++i)

    if (ArchSet & (1U << i))

      ++Cnt;

  return Cnt;

}

ArchitectureSet::operator std::string() const {

  if (empty())

    return "[(empty)]";

  std::string result;

  auto size = count();

  for (auto arch : *this) {

    result.append(std::string(getArchitectureName(arch)));

    size -= 1;

    if (size)

      result.append(" ");

  }

  return result;

}

ArchitectureSet::operator std::vector<Architecture>() const {

  std::vector<Architecture> archs;

  for (auto arch : *this) {

    if (arch == AK_unknown)

      continue;

    archs.emplace_back(arch);

  }

  return archs;

}

void ArchitectureSet::print(raw_ostream &os) const { os << std::string(*this); }

raw_ostream &operator<<(raw_ostream &os, ArchitectureSet set) {

  set.print(os);

  return os;

}

} // end namespace MachO.

} // end namespace llvm.