error_message.h

/*
Copyright 2013-present Barefoot Networks, Inc.
 
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
 
    http://www.apache.org/licenses/LICENSE-2.0
 
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#ifndef LIB_ERROR_MESSAGE_H_
#define LIB_ERROR_MESSAGE_H_
 
#include <cstring>
#include <vector>
 
#include "lib/source_file.h"
 
namespace P4 {
 
struct ErrorMessage {
    enum class MessageType : std::size_t { None, Error, Warning, Info };
 
    MessageType type = MessageType::None;
    std::string prefix;                            
    std::string message;                           
    std::vector<Util::SourceInfo> locations = {};  
    std::string suffix;                            
 
    ErrorMessage() {}
    // Invoked from backwards compatible error_helper
    ErrorMessage(std::string prefix, Util::SourceInfo info, std::string suffix)
        : prefix(std::move(prefix)), locations({info}), suffix(std::move(suffix)) {}
    // Invoked from error_reporter
    ErrorMessage(MessageType type, std::string prefix, std::string suffix)
        : type(type), prefix(std::move(prefix)), suffix(std::move(suffix)) {}
    ErrorMessage(MessageType type, std::string prefix, std::string message,
                 const std::vector<Util::SourceInfo> &locations, std::string suffix)
        : type(type),
          prefix(std::move(prefix)),
          message(std::move(message)),
          locations(locations),
          suffix(std::move(suffix)) {}
 
    std::string getPrefix() const;
    std::string toString() const;
};
 
struct ParserErrorMessage {
    Util::SourceInfo location;
    std::string message;
 
    ParserErrorMessage(Util::SourceInfo loc, std::string msg)
        : location(loc), message(std::move(msg)) {}
 
    std::string toString() const;
};
 
}  // namespace P4
 
#endif /* LIB_ERROR_MESSAGE_H_ */