1326938Sdim//===- llvm-objcopy.h -------------------------------------------*- C++ -*-===//
2326938Sdim//
3353358Sdim// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4353358Sdim// See https://llvm.org/LICENSE.txt for license information.
5353358Sdim// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6326938Sdim//
7326938Sdim//===----------------------------------------------------------------------===//
8326938Sdim
9326938Sdim#ifndef LLVM_TOOLS_OBJCOPY_OBJCOPY_H
10326938Sdim#define LLVM_TOOLS_OBJCOPY_OBJCOPY_H
11326938Sdim
12326938Sdim#include "llvm/ADT/Twine.h"
13326938Sdim#include "llvm/Support/Compiler.h"
14326938Sdim#include "llvm/Support/Error.h"
15326938Sdim#include "llvm/Support/raw_ostream.h"
16326938Sdim#include <string>
17326938Sdim
18326938Sdimnamespace llvm {
19341825Sdimnamespace objcopy {
20326938Sdim
21326938SdimLLVM_ATTRIBUTE_NORETURN extern void error(Twine Message);
22353358SdimLLVM_ATTRIBUTE_NORETURN extern void error(Error E);
23341825SdimLLVM_ATTRIBUTE_NORETURN extern void reportError(StringRef File, Error E);
24341825SdimLLVM_ATTRIBUTE_NORETURN extern void reportError(StringRef File,
25341825Sdim                                                std::error_code EC);
26326938Sdim
27326938Sdim// This is taken from llvm-readobj.
28326938Sdim// [see here](llvm/tools/llvm-readobj/llvm-readobj.h:38)
29326938Sdimtemplate <class T> T unwrapOrError(Expected<T> EO) {
30326938Sdim  if (EO)
31326938Sdim    return *EO;
32326938Sdim  std::string Buf;
33326938Sdim  raw_string_ostream OS(Buf);
34344779Sdim  logAllUnhandledErrors(EO.takeError(), OS);
35326938Sdim  OS.flush();
36326938Sdim  error(Buf);
37326938Sdim}
38326938Sdim
39341825Sdim} // end namespace objcopy
40326938Sdim} // end namespace llvm
41326938Sdim
42326938Sdim#endif // LLVM_TOOLS_OBJCOPY_OBJCOPY_H
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