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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);
enum class SymtabWritingMode {
NoSymtab, // Do not write symbol table.
NormalSymtab, // Write symbol table. For the Big Archive format, write both
// 32-bit and 64-bit symbol tables.
BigArchive32, // Only write the 32-bit symbol table.
BigArchive64 // Only write the 64-bit symbol table.
};
void warnToStderr(Error Err);
// Write an archive directly to an output stream.
Error writeArchiveToStream(raw_ostream &Out,
ArrayRef<NewArchiveMember> NewMembers,
SymtabWritingMode WriteSymtab,
object::Archive::Kind Kind, bool Deterministic,
bool Thin, std::optional<bool> IsEC = std::nullopt,
function_ref<void(Error)> Warn = warnToStderr);
Error writeArchive(StringRef ArcName, ArrayRef<NewArchiveMember> NewMembers,
SymtabWritingMode WriteSymtab, object::Archive::Kind Kind,
bool Deterministic, bool Thin,
std::unique_ptr<MemoryBuffer> OldArchiveBuf = nullptr,
std::optional<bool> IsEC = std::nullopt,
function_ref<void(Error)> Warn = warnToStderr);
// 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,
SymtabWritingMode WriteSymtab, object::Archive::Kind Kind,
bool Deterministic, bool Thin,
function_ref<void(Error)> Warn = warnToStderr);
}
#endif
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