grpc-swift-protobuf/Sources/protoc-gen-grpc-swift/Generator-Conformance.swift

/*
 * Copyright 2020, 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.
 */
import SwiftProtobuf
import SwiftProtobufPluginLibrary

extension Generator {
  internal func printProtobufExtensions() {
    if self.file.messages.isEmpty {
      return
    }
    println("// Provides conformance to `GRPCPayload`")
    for message in self.file.messages {
      self.printProtobufExtensions(for: message)
    }
  }

  internal func printProtobufExtensions(for message: Descriptor) {
    let name = self.protobufNamer.fullName(message: message)
    self.println("extension \(name): GRPCProtobufPayload {}")

    // Messages may be nested.
    for message in message.messages {
      self.printProtobufExtensions(for: message)
    }
  }
}