llvm-project/llvm/lib/Object/Error.cpp

53 lines
1.6 KiB
C++

//===- Error.cpp - 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 defines a new error_category for the Object library.
//
//===----------------------------------------------------------------------===//
#include "llvm/Object/Error.h"
#include "llvm/Support/ErrorHandling.h"
using namespace llvm;
using namespace object;
namespace {
class _object_error_category : public std::error_category {
public:
const char* name() const LLVM_NOEXCEPT override;
std::string message(int ev) const override;
};
}
const char *_object_error_category::name() const {
return "llvm.object";
}
std::string _object_error_category::message(int EV) const {
object_error E = static_cast<object_error>(EV);
switch (E) {
case object_error::success: return "Success";
case object_error::arch_not_found:
return "No object file for requested architecture";
case object_error::invalid_file_type:
return "The file was not recognized as a valid object file";
case object_error::parse_failed:
return "Invalid data was encountered while parsing the file";
case object_error::unexpected_eof:
return "The end of the file was unexpectedly encountered";
}
llvm_unreachable("An enumerator of object_error does not have a message "
"defined.");
}
const std::error_category &object::object_category() {
static _object_error_category o;
return o;
}