serene/include/serene/reader/errors.h

66 lines
2.1 KiB
C++

/* -*- C++ -*-
* Serene programming language.
*
* Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef SERENE_READER_ERRORS_H
#define SERENE_READER_ERRORS_H
#include "serene/errors.h"
namespace serene {
namespace reader {
class ReadError : public std::exception {
private:
char *message;
public:
ReadError(char *msg) : message(msg){};
const char *what() const throw() { return message; }
};
class MissingFileError : public llvm::ErrorInfo<MissingFileError> {
using llvm::ErrorInfo<MissingFileError>::log;
using llvm::ErrorInfo<MissingFileError>::convertToErrorCode;
public:
static char ID;
std::string path;
// TODO: Move this to an error namespace somewhere.
int file_is_missing = int();
void log(llvm::raw_ostream &os) const {
os << "File does not exist: " << path << "\n";
}
MissingFileError(llvm::StringRef path) : path(path.str()){};
std::error_code convertToErrorCode() const {
return make_error_code(errc::no_such_file_or_directory);
}
};
} // namespace reader
} // namespace serene
#endif