/*
 * Copyright 2018 WebAssembly Community Group participants
 *
 * 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 WABT_ERROR_H_
#define WABT_ERROR_H_

#include <string>
#include <string_view>
#include <vector>

#include "wabt/common.h"

namespace wabt {

enum class ErrorLevel {
  Warning,
  Error,
};

static inline const char* GetErrorLevelName(ErrorLevel error_level) {
  switch (error_level) {
    case ErrorLevel::Warning:
      return "warning";
    case ErrorLevel::Error:
      return "error";
  }
  WABT_UNREACHABLE;
}

class Error {
 public:
  Error() : error_level(ErrorLevel::Error) {}
  Error(ErrorLevel error_level,
        Location loc,
        std::string_view filename,
        std::string_view message)
      : error_level(error_level), loc(loc), filename(filename),
        message(message) {}

  ErrorLevel error_level;
  Location loc;
  std::string_view filename;
  std::string message;
};

using Errors = std::vector<Error>;

}  // namespace wabt

#endif  //  WABT_ERROR_H_
