llvm/lib/Object/TapiUniversal.cpp

   1 //===- TapiUniversal.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 // This file defines the Text-based Dynamic Library Stub format.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #include "llvm/Object/TapiUniversal.h"
  14 #include "llvm/ADT/StringRef.h"
  15 #include "llvm/Object/Error.h"
  16 #include "llvm/Object/TapiFile.h"
  17 #include "llvm/TextAPI/ArchitectureSet.h"
  18 #include "llvm/TextAPI/TextAPIReader.h"
  19
  20 using namespace llvm;
  21 using namespace MachO;
  22 using namespace object;
  23
  24 TapiUniversal::TapiUniversal(MemoryBufferRef Source, Error &Err)
  25     : Binary(ID_TapiUniversal, Source) {
  26   Expected<std::unique_ptr<InterfaceFile>> Result = TextAPIReader::get(Source);
  27   ErrorAsOutParameter ErrAsOuParam(&Err);
  28   if (!Result) {
  29     Err = Result.takeError();
  30     return;
  31   }
  32   ParsedFile = std::move(Result.get());
  33
  34   auto FlattenObjectInfo = [this](const auto &File) {
  35     StringRef Name = File->getInstallName();
  36     for (const Architecture Arch : File->getArchitectures())
  37       Libraries.emplace_back(Library({Name, Arch}));
  38   };
  39
  40   FlattenObjectInfo(ParsedFile);
  41   // Get inlined documents from tapi file.
  42   for (const std::shared_ptr<InterfaceFile> &File : ParsedFile->documents())
  43     FlattenObjectInfo(File);
  44 }
  45
  46 TapiUniversal::~TapiUniversal() = default;
  47
  48 Expected<std::unique_ptr<TapiFile>>
  49 TapiUniversal::ObjectForArch::getAsObjectFile() const {
  50   return std::make_unique<TapiFile>(Parent->getMemoryBufferRef(),
  51                                     *Parent->ParsedFile,
  52                                     Parent->Libraries[Index].Arch);
  53 }
  54
  55 Expected<std::unique_ptr<TapiUniversal>>
  56 TapiUniversal::create(MemoryBufferRef Source) {
  57   Error Err = Error::success();
  58   std::unique_ptr<TapiUniversal> Ret(new TapiUniversal(Source, Err));
  59   if (Err)
  60     return std::move(Err);
  61   return std::move(Ret);
  62 }