llvm-6502/tools/llvm-readobj/Error.cpp
Rafael Espindola e869d88843 Use an enum class.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210623 91177308-0d34-0410-b5e6-96231b3b80d8
2014-06-11 01:22:20 +00:00

62 lines
1.9 KiB
C++

//===- Error.cpp - 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 defines a new error_category for the llvm-readobj tool.
//
//===----------------------------------------------------------------------===//
#include "Error.h"
#include "llvm/Support/ErrorHandling.h"
using namespace llvm;
namespace {
class _readobj_error_category : public error_category {
public:
const char* name() const LLVM_NOEXCEPT override;
std::string message(int ev) const override;
error_condition default_error_condition(int ev) const LLVM_NOEXCEPT override;
};
} // namespace
const char *_readobj_error_category::name() const {
return "llvm.readobj";
}
std::string _readobj_error_category::message(int EV) const {
switch (static_cast<readobj_error>(EV)) {
case readobj_error::success: return "Success";
case readobj_error::file_not_found:
return "No such file.";
case readobj_error::unsupported_file_format:
return "The file was not recognized as a valid object file.";
case readobj_error::unrecognized_file_format:
return "Unrecognized file type.";
case readobj_error::unsupported_obj_file_format:
return "Unsupported object file format.";
case readobj_error::unknown_symbol:
return "Unknown symbol.";
}
llvm_unreachable("An enumerator of readobj_error does not have a message "
"defined.");
}
error_condition _readobj_error_category::default_error_condition(int EV) const {
if (static_cast<readobj_error>(EV) == readobj_error::success)
return error_condition();
return errc::invalid_argument;
}
namespace llvm {
const error_category &readobj_category() {
static _readobj_error_category o;
return o;
}
} // namespace llvm