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//===- TapiUniversal.cpp --------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file defines the Text-based Dynamic Library Stub format.
//
//===----------------------------------------------------------------------===//
#include "llvm/Object/TapiUniversal.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Object/TapiFile.h"
#include "llvm/TextAPI/TextAPIReader.h"
using namespace llvm;
using namespace MachO;
using namespace object;
TapiUniversal::TapiUniversal(MemoryBufferRef Source, Error &Err)
: Binary(ID_TapiUniversal, Source) {
Expected<std::unique_ptr<InterfaceFile>> Result = TextAPIReader::get(Source);
ErrorAsOutParameter ErrAsOuParam(Err);
if (!Result) {
Err = Result.takeError();
return;
}
ParsedFile = std::move(Result.get());
auto FlattenObjectInfo = [this](const auto &File,
std::optional<size_t> DocIdx = std::nullopt) {
StringRef Name = File->getInstallName();
for (const Architecture Arch : File->getArchitectures())
Libraries.emplace_back(Library({Name, Arch, DocIdx}));
};
FlattenObjectInfo(ParsedFile);
// Get inlined documents from tapi file.
size_t DocIdx = 0;
for (const std::shared_ptr<InterfaceFile> &File : ParsedFile->documents())
FlattenObjectInfo(File, DocIdx++);
}
TapiUniversal::~TapiUniversal() = default;
Expected<std::unique_ptr<TapiFile>>
TapiUniversal::ObjectForArch::getAsObjectFile() const {
const auto &InlinedDocuments = Parent->ParsedFile->documents();
const Library &CurrLib = Parent->Libraries[Index];
assert(
(isTopLevelLib() || (CurrLib.DocumentIdx.has_value() &&
(InlinedDocuments.size() > *CurrLib.DocumentIdx))) &&
"Index into documents exceeds the container for them");
InterfaceFile *IF = isTopLevelLib()
? Parent->ParsedFile.get()
: InlinedDocuments[*CurrLib.DocumentIdx].get();
return std::make_unique<TapiFile>(Parent->getMemoryBufferRef(), *IF,
CurrLib.Arch);
}
Expected<std::unique_ptr<TapiUniversal>>
TapiUniversal::create(MemoryBufferRef Source) {
Error Err = Error::success();
std::unique_ptr<TapiUniversal> Ret(new TapiUniversal(Source, Err));
if (Err)
return std::move(Err);
return std::move(Ret);
}
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