pkgs/ffigen/example/objective_c/tool/ffigen.dart

// Copyright (c) 2026, 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.

import 'dart:io';

import 'package:ffigen/ffigen.dart';
import 'package:logging/logging.dart';

FfiGenerator getConfig([Uri? packageRoot]) {
  packageRoot ??= Platform.script.resolve('../');
  return FfiGenerator(
    input: Input(
      // The entryPoints are the files that FFIgen should scan to find the APIs
      // you want to generate bindings for. You can use the macSdkPath or
      // iosSdkPath getters to find the Apple SDKs.
      entryPoints: [
        Uri.file(
          '$macSdkPath/System/Library/Frameworks/AVFAudio.framework/Headers/AVAudioPlayer.h',
        ),
      ],
    ),

    // To tell FFIgen to generate Objective-C bindings, rather than C bindings,
    // set the objectiveC field to a non-null value.
    objectiveC: const ObjectiveC(),
    visitors: [
      Visitor(
        // The objCInterface function is invoked for each interface
        // discovered while parsing the entryPoints.
        objCInterface: (node) {
          if (node.name == 'AVAudioPlayer') {
            // API elements like interfaces are excluded from the generated
            // bindings by default. So choose the ones you want to include and
            // set .isIncluded to true.
            node.isIncluded = true;
          }
        },
      ),
    ],

    output: Output(
      // The Dart file where the bindings will be generated.
      dart: DartOutput(path: packageRoot.resolve('avf_audio_bindings.dart')),

      // Preamble text to put at the top of the generated file.
      preamble: '''
// Copyright (c) 2024, 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.
''',
    ),
  );
}

Future<void> main() async {
  Logger.root.level = .SEVERE;
  await getConfig().generate(logger: Logger.root);
}