llvm-6502/include/llvm/Object/Error.h
Michael J. Spencer 25b15777df Object: Add proper error handling.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133872 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-25 17:55:23 +00:00

51 lines
1.2 KiB
C++

//===- Error.h - system_error extensions for Object -------------*- 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 Object library.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_OBJECT_ERROR_H
#define LLVM_OBJECT_ERROR_H
#include "llvm/Support/system_error.h"
namespace llvm {
namespace object {
const error_category &object_category();
struct object_error {
enum _ {
success = 0,
invalid_file_type,
parse_failed,
unexpected_eof
};
_ v_;
object_error(_ v) : v_(v) {}
explicit object_error(int v) : v_(_(v)) {}
operator int() const {return v_;}
};
inline error_code make_error_code(object_error e) {
return error_code(static_cast<int>(e), object_category());
}
} // end namespace object.
template <> struct is_error_code_enum<object::object_error> : true_type { };
template <> struct is_error_code_enum<object::object_error::_> : true_type { };
} // end namespace llvm.
#endif