ArchiveWriter.h

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//===- ArchiveWriter.h - ar archive file format writer ----------*- C++ -*-===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// Declares the writeArchive function for writing an archive file.
//
//===----------------------------------------------------------------------===//
 
#ifndef LLVM_OBJECT_ARCHIVEWRITER_H
#define LLVM_OBJECT_ARCHIVEWRITER_H
 
#include "llvm/Object/Archive.h"
 
namespace llvm {
 
struct NewArchiveMember {
  std::unique_ptr<MemoryBuffer> Buf;
  StringRef MemberName;
  sys::TimePoint<std::chrono::seconds> ModTime;
  unsigned UID = 0, GID = 0, Perms = 0644;
 
  NewArchiveMember() = default;
  NewArchiveMember(MemoryBufferRef BufRef);
 
  // Detect the archive format from the object or bitcode file. This helps
  // assume the archive format when creating or editing archives in the case
  // one isn't explicitly set.
  object::Archive::Kind detectKindFromObject() const;
 
  static Expected<NewArchiveMember>
  getOldMember(const object::Archive::Child &OldMember, bool Deterministic);
 
  static Expected<NewArchiveMember> getFile(StringRef FileName,
                                            bool Deterministic);
};
 
Expected<std::string> computeArchiveRelativePath(StringRef From, StringRef To);
 
Error writeArchive(StringRef ArcName, ArrayRef<NewArchiveMember> NewMembers,
                   bool WriteSymtab, object::Archive::Kind Kind,
                   bool Deterministic, bool Thin,
                   std::unique_ptr<MemoryBuffer> OldArchiveBuf = nullptr,
                   bool IsEC = false);
 
// writeArchiveToBuffer is similar to writeArchive but returns the Archive in a
// buffer instead of writing it out to a file.
Expected<std::unique_ptr<MemoryBuffer>>
writeArchiveToBuffer(ArrayRef<NewArchiveMember> NewMembers, bool WriteSymtab,
                     object::Archive::Kind Kind, bool Deterministic, bool Thin);
}
 
#endif