freebsd-dev/contrib/llvm/tools/llvm-readobj/Error.cpp
2017-01-02 21:25:48 +00:00

58 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 {
// 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 _readobj_error_category : public std::error_category {
public:
const char* name() const noexcept override;
std::string message(int ev) const override;
};
} // namespace
const char *_readobj_error_category::name() const noexcept {
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.");
}
namespace llvm {
const std::error_category &readobj_category() {
static _readobj_error_category o;
return o;
}
} // namespace llvm