forked from OSchip/llvm-project
68 lines
2.3 KiB
C++
68 lines
2.3 KiB
C++
//===- CodeViewError.cpp - Error extensions for CodeView --------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/DebugInfo/CodeView/CodeViewError.h"
|
|
#include "llvm/Support/ErrorHandling.h"
|
|
#include "llvm/Support/ManagedStatic.h"
|
|
|
|
using namespace llvm;
|
|
using namespace llvm::codeview;
|
|
|
|
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 CodeViewErrorCategory : public std::error_category {
|
|
public:
|
|
const char *name() const LLVM_NOEXCEPT override { return "llvm.codeview"; }
|
|
|
|
std::string message(int Condition) const override {
|
|
switch (static_cast<cv_error_code>(Condition)) {
|
|
case cv_error_code::unspecified:
|
|
return "An unknown error has occurred.";
|
|
case cv_error_code::insufficient_buffer:
|
|
return "The buffer is not large enough to read the requested number of "
|
|
"bytes.";
|
|
case cv_error_code::corrupt_record:
|
|
return "The CodeView record is corrupted.";
|
|
case cv_error_code::operation_unsupported:
|
|
return "The requested operation is not supported.";
|
|
}
|
|
llvm_unreachable("Unrecognized cv_error_code");
|
|
}
|
|
};
|
|
} // end anonymous namespace
|
|
|
|
static ManagedStatic<CodeViewErrorCategory> Category;
|
|
|
|
char CodeViewError::ID = 0;
|
|
|
|
CodeViewError::CodeViewError(cv_error_code C) : CodeViewError(C, "") {}
|
|
|
|
CodeViewError::CodeViewError(const std::string &Context)
|
|
: CodeViewError(cv_error_code::unspecified, Context) {}
|
|
|
|
CodeViewError::CodeViewError(cv_error_code C, const std::string &Context)
|
|
: Code(C) {
|
|
ErrMsg = "CodeView Error: ";
|
|
std::error_code EC = convertToErrorCode();
|
|
if (Code != cv_error_code::unspecified)
|
|
ErrMsg += EC.message() + " ";
|
|
if (!Context.empty())
|
|
ErrMsg += Context;
|
|
}
|
|
|
|
void CodeViewError::log(raw_ostream &OS) const { OS << ErrMsg << "\n"; }
|
|
|
|
const std::string &CodeViewError::getErrorMessage() const { return ErrMsg; }
|
|
|
|
std::error_code CodeViewError::convertToErrorCode() const {
|
|
return std::error_code(static_cast<int>(Code), *Category);
|
|
}
|