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//===- 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/MachO/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.