// Copyright (c) 2019, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

/// General superclass of most errors and exceptions thrown by this package.
///
/// Only covers errors thrown while parsing package configuration files.
/// Programming errors and I/O exceptions are not covered.
abstract class PackageConfigError {
  PackageConfigError._();
}

class PackageConfigArgumentError extends ArgumentError
    implements PackageConfigError {
  PackageConfigArgumentError(
      Object? super.value, String super.name, String super.message)
      : super.value();

  PackageConfigArgumentError.from(ArgumentError error)
      : super.value(error.invalidValue, error.name, error.message);
}

class PackageConfigFormatException extends FormatException
    implements PackageConfigError {
  PackageConfigFormatException(super.message, Object? super.source,
      [super.offset]);

  PackageConfigFormatException.from(FormatException exception)
      : super(exception.message, exception.source, exception.offset);
}

/// The default `onError` handler.
// ignore: only_throw_errors
Never throwError(Object error) => throw error;