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llvm-mirror/tools/llvm-cxxdump/Error.cpp
Chandler Carruth ae65e281f3 Update the file headers across all of the LLVM projects in the monorepo
to reflect the new license.

We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.

Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.

llvm-svn: 351636
2019-01-19 08:50:56 +00:00

46 lines
1.5 KiB
C++

//===- Error.cpp - system_error extensions for llvm-cxxdump -----*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This defines a new error_category for the llvm-cxxdump 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 cxxdump_error_category : public std::error_category {
public:
const char *name() const noexcept override { return "llvm.cxxdump"; }
std::string message(int ev) const override {
switch (static_cast<cxxdump_error>(ev)) {
case cxxdump_error::success:
return "Success";
case cxxdump_error::file_not_found:
return "No such file.";
case cxxdump_error::unrecognized_file_format:
return "Unrecognized file type.";
}
llvm_unreachable(
"An enumerator of cxxdump_error does not have a message defined.");
}
};
} // namespace
namespace llvm {
const std::error_category &cxxdump_category() {
static cxxdump_error_category o;
return o;
}
} // namespace llvm