grpc-swift-protobuf/Plugins/GRPCProtobufGenerator/BuildPluginError.swift

/*
 * Copyright 2025, gRPC Authors All rights reserved.
 *
 * 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.
 */

enum BuildPluginError: Error {
  case incompatibleTarget(String)
  case noConfigFilesFound
}

extension BuildPluginError: CustomStringConvertible {
  var description: String {
    switch self {
    case .incompatibleTarget(let target):
      "Build plugin applied to incompatible target (\(target))."
    case .noConfigFilesFound:
      "No config files found. The build plugin relies on the existence of one or more '\(configFileName)' files in the target source."
    }
  }
}