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