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

44 lines
1.3 KiB
C++

//===- Error.cpp - system_error extensions for llvm-vtabledump --*- 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-vtabledump tool.
//
//===----------------------------------------------------------------------===//
#include "Error.h"
#include "llvm/Support/ErrorHandling.h"
using namespace llvm;
namespace {
class vtabledump_error_category : public std::error_category {
public:
const char *name() const LLVM_NOEXCEPT override { return "llvm.vtabledump"; }
std::string message(int ev) const override {
switch (static_cast<vtabledump_error>(ev)) {
case vtabledump_error::success:
return "Success";
case vtabledump_error::file_not_found:
return "No such file.";
case vtabledump_error::unrecognized_file_format:
return "Unrecognized file type.";
}
llvm_unreachable(
"An enumerator of vtabledump_error does not have a message defined.");
}
};
} // namespace
namespace llvm {
const std::error_category &vtabledump_category() {
static vtabledump_error_category o;
return o;
}
} // namespace llvm