llvm-for-llvmta/lib/DebugInfo/MSF/MSFError.cpp

48 lines
1.8 KiB
C++

//===- MSFError.cpp - Error extensions for MSF files ------------*- 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
//
//===----------------------------------------------------------------------===//
#include "llvm/DebugInfo/MSF/MSFError.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/ManagedStatic.h"
using namespace llvm;
using namespace llvm::msf;
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 MSFErrorCategory : public std::error_category {
public:
const char *name() const noexcept override { return "llvm.msf"; }
std::string message(int Condition) const override {
switch (static_cast<msf_error_code>(Condition)) {
case msf_error_code::unspecified:
return "An unknown error has occurred.";
case msf_error_code::insufficient_buffer:
return "The buffer is not large enough to read the requested number of "
"bytes.";
case msf_error_code::not_writable:
return "The specified stream is not writable.";
case msf_error_code::no_stream:
return "The specified stream does not exist.";
case msf_error_code::invalid_format:
return "The data is in an unexpected format.";
case msf_error_code::block_in_use:
return "The block is already in use.";
}
llvm_unreachable("Unrecognized msf_error_code");
}
};
} // namespace
static llvm::ManagedStatic<MSFErrorCategory> MSFCategory;
const std::error_category &llvm::msf::MSFErrCategory() { return *MSFCategory; }
char MSFError::ID;