llvm-project/llvm/tools/obj2yaml/Error.cpp

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//===- Error.cpp - system_error extensions for obj2yaml ---------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "Error.h"
#include "llvm/Support/ErrorHandling.h"
using namespace llvm;
namespace {
// FIXME: This class is only here to support the transition to llvm::Error. It
// will be removed once this transition is complete. Clients should prefer to
// deal with the Error value directly, rather than converting to error_code.
class _obj2yaml_error_category : public std::error_category {
public:
const char *name() const noexcept override;
std::string message(int ev) const override;
};
} // namespace
const char *_obj2yaml_error_category::name() const noexcept {
return "obj2yaml";
}
std::string _obj2yaml_error_category::message(int ev) const {
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switch (static_cast<obj2yaml_error>(ev)) {
case obj2yaml_error::success:
return "Success";
case obj2yaml_error::file_not_found:
return "No such file.";
case obj2yaml_error::unrecognized_file_format:
return "Unrecognized file type.";
case obj2yaml_error::unsupported_obj_file_format:
return "Unsupported object file format.";
case obj2yaml_error::not_implemented:
return "Feature not yet implemented.";
}
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llvm_unreachable("An enumerator of obj2yaml_error does not have a message "
"defined.");
}
namespace llvm {
const std::error_category &obj2yaml_category() {
static _obj2yaml_error_category o;
return o;
}
char Obj2YamlError::ID = 0;
void Obj2YamlError::log(raw_ostream &OS) const { OS << ErrMsg << "\n"; }
std::error_code Obj2YamlError::convertToErrorCode() const {
return std::error_code(static_cast<int>(Code), obj2yaml_category());
}
} // namespace llvm