lib/TextAPI/MachO/ArchitectureSet.cpp

   1 //===- ArchitectureSet.cpp ------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // Implements the architecture set.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #include "llvm/TextAPI/MachO/ArchitectureSet.h"
  14
  15 namespace llvm {
  16 namespace MachO {
  17
  18 ArchitectureSet::ArchitectureSet(const std::vector<Architecture> &Archs)
  19     : ArchitectureSet() {
  20   for (auto Arch : Archs) {
  21     if (Arch == AK_unknown)
  22       continue;
  23     set(Arch);
  24   }
  25 }
  26
  27 size_t ArchitectureSet::count() const {
  28   // popcnt
  29   size_t Cnt = 0;
  30   for (unsigned i = 0; i < sizeof(ArchSetType) * 8; ++i)
  31     if (ArchSet & (1U << i))
  32       ++Cnt;
  33   return Cnt;
  34 }
  35
  36 ArchitectureSet::operator std::string() const {
  37   if (empty())
  38     return "[(empty)]";
  39
  40   std::string result;
  41   auto size = count();
  42   for (auto arch : *this) {
  43     result.append(getArchitectureName(arch));
  44     size -= 1;
  45     if (size)
  46       result.append(" ");
  47   }
  48   return result;
  49 }
  50
  51 ArchitectureSet::operator std::vector<Architecture>() const {
  52   std::vector<Architecture> archs;
  53   for (auto arch : *this) {
  54     if (arch == AK_unknown)
  55       continue;
  56     archs.emplace_back(arch);
  57   }
  58   return archs;
  59 }
  60
  61 void ArchitectureSet::print(raw_ostream &os) const { os << std::string(*this); }
  62
  63 raw_ostream &operator<<(raw_ostream &os, ArchitectureSet set) {
  64   set.print(os);
  65   return os;
  66 }
  67
  68 } // end namespace MachO.
  69 } // end namespace llvm.