TapiUniversal.cpp revision 360784 
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/MachO/TextAPIReader.h"
18
19using namespace llvm;
20using namespace MachO;
21using namespace object;
22
23TapiUniversal::TapiUniversal(MemoryBufferRef Source, Error &Err)
24    : Binary(ID_TapiUniversal, Source) {
25  auto 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 Archs = ParsedFile->getArchitectures();
34  for (auto Arch : Archs)
35    Architectures.emplace_back(Arch);
36}
37
38TapiUniversal::~TapiUniversal() = default;
39
40Expected<std::unique_ptr<TapiFile>>
41TapiUniversal::ObjectForArch::getAsObjectFile() const {
42  return std::unique_ptr<TapiFile>(new TapiFile(Parent->getMemoryBufferRef(),
43                                                *Parent->ParsedFile.get(),
44                                                Parent->Architectures[Index]));
45}
46
47Expected<std::unique_ptr<TapiUniversal>>
48TapiUniversal::create(MemoryBufferRef Source) {
49  Error Err = Error::success();
50  std::unique_ptr<TapiUniversal> Ret(new TapiUniversal(Source, Err));
51  if (Err)
52    return std::move(Err);
53  return std::move(Ret);
54}
55