lib/TextAPI/MachO/InterfaceFile.cpp

   1 //===- InterfaceFile.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 Interface File.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #include "llvm/TextAPI/MachO/InterfaceFile.h"
  14 #include <iomanip>
  15 #include <sstream>
  16
  17 namespace llvm {
  18 namespace MachO {
  19 namespace detail {
  20 template <typename C>
  21 typename C::iterator addEntry(C &Container, StringRef InstallName) {
  22   auto I = partition_point(Container, [=](const InterfaceFileRef &O) {
  23     return O.getInstallName() < InstallName;
  24   });
  25   if (I != Container.end() && I->getInstallName() == InstallName)
  26     return I;
  27
  28   return Container.emplace(I, InstallName);
  29 }
  30 } // end namespace detail.
  31
  32 void InterfaceFile::addAllowableClient(StringRef Name,
  33                                        ArchitectureSet Architectures) {
  34   auto Client = detail::addEntry(AllowableClients, Name);
  35   Client->addArchitectures(Architectures);
  36 }
  37
  38 void InterfaceFile::addReexportedLibrary(StringRef InstallName,
  39                                          ArchitectureSet Architectures) {
  40   auto Lib = detail::addEntry(ReexportedLibraries, InstallName);
  41   Lib->addArchitectures(Architectures);
  42 }
  43
  44 void InterfaceFile::addUUID(Architecture Arch, StringRef UUID) {
  45   auto I = partition_point(UUIDs,
  46                            [=](const std::pair<Architecture, std::string> &O) {
  47                              return O.first < Arch;
  48                            });
  49
  50   if (I != UUIDs.end() && Arch == I->first) {
  51     I->second = UUID;
  52     return;
  53   }
  54
  55   UUIDs.emplace(I, Arch, UUID);
  56   return;
  57 }
  58
  59 void InterfaceFile::addUUID(Architecture Arch, uint8_t UUID[16]) {
  60   std::stringstream Stream;
  61   for (unsigned i = 0; i < 16; ++i) {
  62     if (i == 4 || i == 6 || i == 8 || i == 10)
  63       Stream << '-';
  64     Stream << std::setfill('0') << std::setw(2) << std::uppercase << std::hex
  65            << static_cast<int>(UUID[i]);
  66   }
  67   addUUID(Arch, Stream.str());
  68 }
  69
  70 void InterfaceFile::addSymbol(SymbolKind Kind, StringRef Name,
  71                               ArchitectureSet Archs, SymbolFlags Flags) {
  72   Name = copyString(Name);
  73   auto result = Symbols.try_emplace(SymbolsMapKey{Kind, Name}, nullptr);
  74   if (result.second)
  75     result.first->second = new (Allocator) Symbol{Kind, Name, Archs, Flags};
  76   else
  77     result.first->second->addArchitectures(Archs);
  78 }
  79
  80 } // end namespace MachO.
  81 } // end namespace llvm.