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//===-- yaml2obj.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
//
//===----------------------------------------------------------------------===//
#include "llvm/ObjectYAML/yaml2obj.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/Object/ObjectFile.h"
#include "llvm/ObjectYAML/ObjectYAML.h"
#include "llvm/Support/Errc.h"
#include "llvm/Support/YAMLTraits.h"
namespace llvm {
namespace yaml {
Error convertYAML(yaml::Input &YIn, raw_ostream &Out, unsigned DocNum) {
// TODO: make yaml2* functions return Error instead of int.
auto IntToErr = [](int Ret) -> Error {
if (Ret)
return createStringError(errc::invalid_argument, "yaml2obj failed");
return Error::success();
};
unsigned CurDocNum = 0;
do {
if (++CurDocNum == DocNum) {
yaml::YamlObjectFile Doc;
YIn >> Doc;
if (std::error_code EC = YIn.error())
return createStringError(EC, "Failed to parse YAML input!");
if (Doc.Elf)
return IntToErr(yaml2elf(*Doc.Elf, Out));
if (Doc.Coff)
return IntToErr(yaml2coff(*Doc.Coff, Out));
if (Doc.MachO || Doc.FatMachO)
return IntToErr(yaml2macho(Doc, Out));
if (Doc.Minidump)
return IntToErr(yaml2minidump(*Doc.Minidump, Out));
if (Doc.Wasm)
return IntToErr(yaml2wasm(*Doc.Wasm, Out));
return createStringError(errc::invalid_argument,
"Unknown document type!");
}
} while (YIn.nextDocument());
return createStringError(errc::invalid_argument,
"Cannot find the %u%s document", DocNum,
getOrdinalSuffix(DocNum).data());
}
Expected<std::unique_ptr<object::ObjectFile>>
yaml2ObjectFile(SmallVectorImpl<char> &Storage, StringRef Yaml) {
Storage.clear();
raw_svector_ostream OS(Storage);
yaml::Input YIn(Yaml);
if (Error E = convertYAML(YIn, OS))
return std::move(E);
return object::ObjectFile::createObjectFile(
MemoryBufferRef(OS.str(), "YamlObject"));
}
} // namespace yaml
} // namespace llvm
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