llvm-project/llvm/tools/llvm-readobj/Error.h

49 lines
1.2 KiB
C++

//===- Error.h - system_error extensions for llvm-readobj -------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This declares a new error_category for the llvm-readobj tool.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_READOBJ_ERROR_H
#define LLVM_READOBJ_ERROR_H
#include "llvm/Support/system_error.h"
namespace llvm {
const error_category &readobj_category();
struct readobj_error {
enum _ {
success = 0,
file_not_found,
unsupported_file_format,
unrecognized_file_format,
unsupported_obj_file_format,
unknown_symbol
};
_ v_;
readobj_error(_ v) : v_(v) {}
explicit readobj_error(int v) : v_(_(v)) {}
operator int() const {return v_;}
};
inline error_code make_error_code(readobj_error e) {
return error_code(static_cast<int>(e), readobj_category());
}
template <> struct is_error_code_enum<readobj_error> : std::true_type { };
template <> struct is_error_code_enum<readobj_error::_> : std::true_type { };
} // namespace llvm
#endif