codelab_rebuild.yaml

name: FFI Generator codelab rebuild script
steps:
  - name: step_03
    steps:
      - name: Remove step_03
        rmdir: step_03
      - name: Create ffigen_app
        flutter: create --template=plugin_ffi --platforms=android,ios,linux,macos,windows ffigen_app
      - name: Strip DEVELOPMENT_TEAM
        strip-lines-containing: DEVELOPMENT_TEAM =
        path: ffigen_app/example/ios/Runner.xcodeproj/project.pbxproj
      - name: Remove CHANGELOG
        rm: ffigen_app/CHANGELOG.md
      - name: Remove LICENSE
        rm: ffigen_app/LICENSE
      - name: Remove README
        rm: ffigen_app/README.md
      - name: Add .vscode directory
        mkdir: ffigen_app/.vscode
      - name: Add .vscode/launch.json
        path: ffigen_app/.vscode/launch.json
        replace-contents: |
          {
              // Use IntelliSense to learn about possible attributes.
              // Hover to view descriptions of existing attributes.
              // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
              "version": "0.2.0",
              "configurations": [
                  {
                      "name": "example",
                      "cwd": "example",
                      "request": "launch",
                      "type": "dart"
                  }
              ]
          }
      - name: dart format
        dart: format ffigen_app
      - name: dart fix ffigen_app
        path: ffigen_app
        dart: fix --apply
      - name: dart fix ffigen_app/example
        path: ffigen_app/example
        dart: fix --apply
      - name: dart analyze
        path: ffigen_app
        dart: analyze --fatal-infos
      - name: Upgrade ffigen
        path: ffigen_app
        flutter: pub upgrade --major-versions
      - name: Upgrade ffigen/example
        path: ffigen_app/example
        flutter: pub upgrade --major-versions
      - name: Build iOS simulator bundle
        path: ffigen_app/example
        platforms: [ macos ]
        flutter: build ios --simulator
      - name: Build macOS app
        path: ffigen_app/example
        platforms: [ macos ]
        flutter: build macos --debug
      - name: Build Android app
        path: ffigen_app/example
        platforms: [ macos ]
        flutter: build apk --debug 
      - name: Build Windows app
        path: ffigen_app/example
        platforms: [ windows ]
        flutter: build windows --debug 
      - name: Build Linux app
        path: ffigen_app/example
        platforms: [ linux ]
        flutter: build linux --debug 
      - name: Flutter clean
        path: ffigen_app/example
        flutter: clean
      - name: Copy step_03
        copydir:
          from: ffigen_app
          to: step_03
      - name: flutter pub get step_03
        path: step_03
        dart: pub get
  - name: step_05
    steps:
      - name: Remove step_05
        rmdir: step_05
      - name: Retrieve duktape
        path: ffigen_app/src/duktape.tar.xz
        retrieve-url: https://duktape.org/duktape-2.7.0.tar.xz
      - name: Unarchive duktape.tar.xz with tar
        platforms: [ linux, macos ]
        path: ffigen_app/src
        tar: xf duktape.tar.xz
      - name: Unarchive duktape.tar.xz with 7z
        platforms: [ windows ]
        path: ffigen_app/src
        7z: x duktape.tar.xz
      - name: Unarchive duktape.tar with 7z
        platforms: [ windows ]
        path: ffigen_app/src
        7z: x duktape.tar
      - name: Remove duktape.tar.xz
        path: ffigen_app/src
        rm: duktape.tar.xz
      - name: Remove duktape.tar
        platforms: [ windows ]
        path: ffigen_app/src
        rm: duktape.tar
      - name: Copy duktape-2.7.0/src/duktape.c
        path: ffigen_app/src
        copy:
          from: duktape-2.7.0/src/duktape.c
          to: duktape.c
      - name: Copy duktape-2.7.0/src/duktape.h
        path: ffigen_app/src
        copy:
          from: duktape-2.7.0/src/duktape.h
          to: duktape.h
      - name: Copy duktape-2.7.0/src/duk_config.h
        path: ffigen_app/src
        copy:
          from: duktape-2.7.0/src/duk_config.h
          to: duk_config.h
      - name: Remove duktape-2.7.0
        path: ffigen_app/src
        rmdir: duktape-2.7.0
      - name: Patch ffigen.yaml
        path: ffigen_app/ffigen.yaml
        patch-u: |
          --- b/ffigen_codelab/step_05/ffigen.yaml
          +++ a/ffigen_codelab/step_05/ffigen.yaml
          @@ -1,15 +1,15 @@
           # Run with `dart run ffigen --config ffigen.yaml`.
          -name: FfigenAppBindings
          +name: DuktapeBindings
           description: |
          -  Bindings for `src/ffigen_app.h`.
          +  Bindings for `src/duktape.h`.
           
             Regenerate bindings with `dart run ffigen --config ffigen.yaml`.
          -output: 'lib/ffigen_app_bindings_generated.dart'
          +output: 'lib/duktape_bindings_generated.dart'
           headers:
             entry-points:
          -    - 'src/ffigen_app.h'
          +    - 'src/duktape.h'
             include-directives:
          -    - 'src/ffigen_app.h'
          +    - 'src/duktape.h'
           preamble: |
             // ignore_for_file: always_specify_types
             // ignore_for_file: camel_case_types
          @@ -17,3 +17,4 @@ preamble: |
           comments:
             style: any
             length: full
          +ignore-source-errors: true
      - name: Replace example/lib/main.dart
        path: ffigen_app/example/lib/main.dart
        replace-contents: |
          // Copyright 2022 The Flutter Authors. All rights reserved.
          // Use of this source code is governed by a BSD-style license that can be
          // found in the LICENSE file.

          import 'package:ffigen_app/ffigen_app.dart';
          import 'package:flutter/material.dart';

          const String jsCode = '1+2';

          void main() {
            runApp(const MyApp());
          }

          class MyApp extends StatefulWidget {
            const MyApp({super.key});

            @override
            State<MyApp> createState() => _MyAppState();
          }

          class _MyAppState extends State<MyApp> {
            late Duktape duktape;
            String output = '';

            @override
            void initState() {
              super.initState();
              duktape = Duktape();
              setState(() {
                output = 'Initialized Duktape';
              });
            }

            @override
            void dispose() {
              duktape.dispose();
              super.dispose();
            }

            @override
            Widget build(BuildContext context) {
              const textStyle = TextStyle(fontSize: 25);
              const spacerSmall = SizedBox(height: 10);
              return MaterialApp(
                home: Scaffold(
                  appBar: AppBar(title: const Text('Duktape Test')),
                  body: Center(
                    child: Container(
                      padding: const EdgeInsets.all(10),
                      child: Column(
                        mainAxisSize: MainAxisSize.min,
                        children: [
                          Text(output, style: textStyle, textAlign: TextAlign.center),
                          spacerSmall,
                          ElevatedButton(
                            child: const Text('Run JavaScript'),
                            onPressed: () {
                              duktape.evalString(jsCode);
                              setState(() {
                                output = '$jsCode => ${duktape.getInt(-1)}';
                              });
                            },
                          ),
                        ],
                      ),
                    ),
                  ),
                ),
              );
            }
          }
      - name: Replace lib/ffigen_app.dart
        path: ffigen_app/lib/ffigen_app.dart
        replace-contents: |
          // Copyright 2022 The Flutter Authors. 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:ffi';
          import 'dart:io' show Platform;
          import 'package:ffi/ffi.dart' as ffi;

          import 'duktape_bindings_generated.dart';

          const String _libName = 'ffigen_app';

          /// The dynamic library in which the symbols for [DuktapeBindings] can be found.
          final DynamicLibrary _dylib = () {
            if (Platform.isMacOS || Platform.isIOS) {
              return DynamicLibrary.open('$_libName.framework/$_libName');
            }
            if (Platform.isAndroid || Platform.isLinux) {
              return DynamicLibrary.open('lib$_libName.so');
            }
            if (Platform.isWindows) {
              return DynamicLibrary.open('$_libName.dll');
            }
            throw UnsupportedError('Unknown platform: ${Platform.operatingSystem}');
          }();

          /// The bindings to the native functions in [_dylib].
          final DuktapeBindings _bindings = DuktapeBindings(_dylib);

          class Duktape {
            Duktape() {
              ctx = _bindings.duk_create_heap(
                nullptr,
                nullptr,
                nullptr,
                nullptr,
                nullptr,
              );
            }

            void evalString(String jsCode) {
              // From duktape.h:
              // #define duk_peval_string(ctx,src)  \
              // 	(duk_eval_raw((ctx), (src), 0, 0 /*args*/ | DUK_COMPILE_EVAL | DUK_COMPILE_SAFE | DUK_COMPILE_NOSOURCE | DUK_COMPILE_STRLEN | DUK_COMPILE_NOFILENAME))

              var nativeUtf8 = jsCode.toNativeUtf8();
              _bindings.duk_eval_raw(
                ctx,
                nativeUtf8.cast<Char>(),
                0,
                0 /*args*/ |
                    DUK_COMPILE_EVAL |
                    DUK_COMPILE_SAFE |
                    DUK_COMPILE_NOSOURCE |
                    DUK_COMPILE_STRLEN |
                    DUK_COMPILE_NOFILENAME,
              );
              ffi.malloc.free(nativeUtf8);
            }

            int getInt(int index) {
              return _bindings.duk_get_int(ctx, index);
            }

            void dispose() {
              _bindings.duk_destroy_heap(ctx);
              ctx = nullptr;
            }

            late Pointer<duk_hthread> ctx;
          }
      - name: Patch src/CMakeLists.txt
        path: ffigen_app/src/CMakeLists.txt
        patch-u: |
          --- b/ffigen_codelab/step_05/src/CMakeLists.txt
          +++ a/ffigen_codelab/step_05/src/CMakeLists.txt
          @@ -6,12 +6,19 @@ cmake_minimum_required(VERSION 3.10)
           project(ffigen_app_library VERSION 0.0.1 LANGUAGES C)
           
           add_library(ffigen_app SHARED
          -  "ffigen_app.c"
          +  duktape.c
           )
           
           set_target_properties(ffigen_app PROPERTIES
          -  PUBLIC_HEADER ffigen_app.h
          +  PUBLIC_HEADER duktape.h
          +  PRIVATE_HEADER duk_config.h
             OUTPUT_NAME "ffigen_app"
           )
           
          +if (WIN32)
          +set_target_properties(ffigen_app PROPERTIES
          +  WINDOWS_EXPORT_ALL_SYMBOLS ON
          +)
          +endif (WIN32)
          +
           target_compile_definitions(ffigen_app PUBLIC DART_SHARED_LIB)
      - name: Get deps in ffigen_app/example
        path: ffigen_app/example
        dart: pub get --directory .
      - name: Get deps in ffigen_app
        path: ffigen_app
        dart: pub get --directory .
      - name: Upgrade dep versions in ffigen_app/example
        path: ffigen_app/example
        dart: pub upgrade --major-versions --directory .
      - name: Update version constraints on ffigen
        path: ffigen_app
        dart: pub add -d ffigen
      - name: Move ffi dep from dev_deps to deps
        path: ffigen_app
        dart: pub add ffi
      - name: flutter clean
        path: ffigen_app
        flutter: clean
      - name: Re-get deps
        path: ffigen_app
        flutter: pub get
      - name: Run ffigen
        path: ffigen_app
        dart: run ffigen --config ffigen.yaml
      - name: format duktape bindings
        path: ffigen_app
        dart: format lib/duktape_bindings_generated.dart
      - name: dart analyze
        path: ffigen_app
        dart: analyze --fatal-infos
      - name: Build Windows app
        path: ffigen_app/example
        platforms: [ windows ]
        flutter: build windows --debug 
      - name: Build Linux app
        path: ffigen_app/example
        platforms: [ linux ]
        flutter: build linux --debug 
      - name: Flutter clean
        path: ffigen_app/example
        flutter: clean
      - name: Copy step_05
        copydir:
          from: ffigen_app
          to: step_05
  - name: step_06
    steps:
      - name: Remove step_06
        rmdir: step_06
      - name: Remove src/ffigen_app.c
        rm: ffigen_app/src/ffigen_app.c
      - name: Remove src/ffigen_app.h
        rm: ffigen_app/src/ffigen_app.h
      - name: Remove ios/Classes/ffigen_app.c
        rm: ffigen_app/ios/Classes/ffigen_app.c
      - name: Create ios/Classes/duktape.c
        path: ffigen_app/ios/Classes/duktape.c
        replace-contents: |
          // Relative import to be able to reuse the C sources.
          // See the comment in ../ffigen_app.podspec for more information.
          #include "../../src/duktape.c"
      - name: Remove macos/Classes/ffigen_app.c
        rm: ffigen_app/macos/Classes/ffigen_app.c
      - name: Create macos/Classes/duktape.c
        path: ffigen_app/macos/Classes/duktape.c
        replace-contents: |
          // Relative import to be able to reuse the C sources.
          // See the comment in ../ffigen_app.podspec for more information.
          #include "../../src/duktape.c"
      - name: Flutter clean
        path: ffigen_app/example
        flutter: clean
      - name: dart analyze
        path: ffigen_app
        dart: analyze --fatal-infos
      - name: Build iOS simulator bundle
        path: ffigen_app/example
        platforms: [ macos ]
        flutter: build ios --simulator
      - name: Build macOS app
        path: ffigen_app/example
        platforms: [ macos ]
        flutter: build macos --debug
      - name: Build Android app
        path: ffigen_app/example
        platforms: [ macos ]
        flutter: build apk --debug 
      - name: Build Windows app
        path: ffigen_app/example
        platforms: [ windows ]
        flutter: build windows --debug 
      - name: Build Linux app
        path: ffigen_app/example
        platforms: [ linux ]
        flutter: build linux --debug 
      - name: Flutter clean
        path: ffigen_app/example
        flutter: clean
      - name: Copy step_06
        copydir:
          from: ffigen_app
          to: step_06
  - name: step_07
    steps:
      - name: Remove step_07
        rmdir: step_07
      - name: Patch lib/ffigen_app.dart
        path: ffigen_app/lib/ffigen_app.dart
        patch-u: |
          --- b/ffigen_codelab/step_07/lib/ffigen_app.dart
          +++ a/ffigen_codelab/step_07/lib/ffigen_app.dart
          @@ -5,6 +5,7 @@
           import 'dart:ffi';
           import 'dart:io' show Platform;
           import 'package:ffi/ffi.dart' as ffi;
          +import 'package:path/path.dart' as p;
           
           import 'duktape_bindings_generated.dart';
           
          @@ -13,12 +14,37 @@ const String _libName = 'ffigen_app';
           /// The dynamic library in which the symbols for [DuktapeBindings] can be found.
           final DynamicLibrary _dylib = () {
             if (Platform.isMacOS || Platform.isIOS) {
          +    if (Platform.environment.containsKey('FLUTTER_TEST')) {
          +      return DynamicLibrary.open(
          +        'build/macos/Build/Products/Debug/$_libName/$_libName.framework/$_libName',
          +      );
          +    }
               return DynamicLibrary.open('$_libName.framework/$_libName');
             }
             if (Platform.isAndroid || Platform.isLinux) {
          +    if (Platform.environment.containsKey('FLUTTER_TEST')) {
          +      return DynamicLibrary.open(
          +        'build/linux/x64/debug/bundle/lib/lib$_libName.so',
          +      );
          +    }
               return DynamicLibrary.open('lib$_libName.so');
             }
             if (Platform.isWindows) {
          +    if (Platform.environment.containsKey('FLUTTER_TEST')) {
          +      return switch (Abi.current()) {
          +        Abi.windowsArm64 => DynamicLibrary.open(
          +          p.canonicalize(
          +            p.join(r'build\windows\arm64\runner\Debug', '$_libName.dll'),
          +          ),
          +        ),
          +        Abi.windowsX64 => DynamicLibrary.open(
          +          p.canonicalize(
          +            p.join(r'build\windows\x64\runner\Debug', '$_libName.dll'),
          +          ),
          +        ),
          +        _ => throw 'Unsupported platform',
          +      };
          +    }
               return DynamicLibrary.open('$_libName.dll');
             }
             throw UnsupportedError('Unknown platform: ${Platform.operatingSystem}');
          @@ -38,13 +64,13 @@ class Duktape {
               );
             }
           
          -  void evalString(String jsCode) {
          +  String evalString(String jsCode) {
               // From duktape.h:
               // #define duk_peval_string(ctx,src)  \
               // 	(duk_eval_raw((ctx), (src), 0, 0 /*args*/ | DUK_COMPILE_EVAL | DUK_COMPILE_SAFE | DUK_COMPILE_NOSOURCE | DUK_COMPILE_STRLEN | DUK_COMPILE_NOFILENAME))
           
               var nativeUtf8 = jsCode.toNativeUtf8();
          -    _bindings.duk_eval_raw(
          +    final evalResult = _bindings.duk_eval_raw(
                 ctx,
                 nativeUtf8.cast<Char>(),
                 0,
          @@ -56,10 +82,22 @@ class Duktape {
                     DUK_COMPILE_NOFILENAME,
               );
               ffi.malloc.free(nativeUtf8);
          +
          +    if (evalResult != 0) {
          +      throw _retrieveTopOfStackAsString();
          +    }
          +
          +    return _retrieveTopOfStackAsString();
             }
           
          -  int getInt(int index) {
          -    return _bindings.duk_get_int(ctx, index);
          +  String _retrieveTopOfStackAsString() {
          +    Pointer<Size> outLengthPtr = ffi.calloc<Size>();
          +    final errorStrPtr = _bindings.duk_safe_to_lstring(ctx, -1, outLengthPtr);
          +    final returnVal = errorStrPtr.cast<ffi.Utf8>().toDartString(
          +      length: outLengthPtr.value,
          +    );
          +    ffi.calloc.free(outLengthPtr);
          +    return returnVal;
             }
           
             void dispose() {
      - name: Create example/lib/duktape_message.dart
        path: ffigen_app/example/lib/duktape_message.dart
        replace-contents: |
          // Copyright 2022 The Flutter Authors. All rights reserved.
          // Use of this source code is governed by a BSD-style license that can be
          // found in the LICENSE file.
          import 'package:freezed_annotation/freezed_annotation.dart';
          
          part 'duktape_message.freezed.dart';
          
          @freezed
          class DuktapeMessage with _$DuktapeMessage {
            factory DuktapeMessage.evaluate(String code) = DuktapeMessageCode;
            factory DuktapeMessage.response(String result) = DuktapeMessageResponse;
            factory DuktapeMessage.error(String log) = DuktapeMessageError;
          }
      - name: Replace example/lib/main.dart
        path: ffigen_app/example/lib/main.dart
        replace-contents: |
          // Copyright 2017, 2020, 2022 The Flutter team. All rights reserved.
          // Use of this source code is governed by a BSD-style license
          // that can be found in the LICENSE file.

          import 'package:ffigen_app/ffigen_app.dart';
          import 'package:flutter/material.dart';
          import 'package:flutter_riverpod/flutter_riverpod.dart';
          import 'package:google_fonts/google_fonts.dart';

          import 'duktape_message.dart';

          void main() {
            runApp(const ProviderScope(child: DuktapeApp()));
          }

          final duktapeMessagesProvider =
              StateNotifierProvider<DuktapeMessageNotifier, List<DuktapeMessage>>((ref) {
                return DuktapeMessageNotifier(messages: <DuktapeMessage>[]);
              });

          class DuktapeMessageNotifier extends StateNotifier<List<DuktapeMessage>> {
            DuktapeMessageNotifier({required List<DuktapeMessage> messages})
              : duktape = Duktape(),
                super(messages);
            final Duktape duktape;

            void eval(String code) {
              state = [DuktapeMessage.evaluate(code), ...state];
              try {
                final response = duktape.evalString(code);
                state = [DuktapeMessage.response(response), ...state];
              } catch (e) {
                state = [DuktapeMessage.error('$e'), ...state];
              }
            }
          }

          class DuktapeApp extends StatelessWidget {
            const DuktapeApp({super.key});

            @override
            Widget build(BuildContext context) {
              return const MaterialApp(title: 'Duktape App', home: DuktapeRepl());
            }
          }

          class DuktapeRepl extends ConsumerStatefulWidget {
            const DuktapeRepl({super.key});

            @override
            ConsumerState<DuktapeRepl> createState() => _DuktapeReplState();
          }

          class _DuktapeReplState extends ConsumerState<DuktapeRepl> {
            final _controller = TextEditingController();
            final _focusNode = FocusNode();
            var _isComposing = false;

            void _handleSubmitted(String text) {
              _controller.clear();
              setState(() {
                _isComposing = false;
              });
              setState(() {
                ref.read(duktapeMessagesProvider.notifier).eval(text);
              });
              _focusNode.requestFocus();
            }

            @override
            Widget build(BuildContext context) {
              final messages = ref.watch(duktapeMessagesProvider);
              return Scaffold(
                backgroundColor: Colors.white,
                appBar: AppBar(
                  title: const Text('Duktape REPL'),
                  elevation: Theme.of(context).platform == TargetPlatform.iOS ? 0.0 : 4.0,
                ),
                body: Column(
                  children: [
                    Flexible(
                      child: Ink(
                        color: Theme.of(context).scaffoldBackgroundColor,
                        child: SafeArea(
                          bottom: false,
                          child: ListView.builder(
                            padding: const EdgeInsets.all(8.0),
                            reverse: true,
                            itemBuilder:
                                (context, idx) => messages[idx].when(
                                  evaluate:
                                      (str) => Padding(
                                        padding: const EdgeInsets.symmetric(vertical: 2),
                                        child: Text(
                                          '> $str',
                                          style: GoogleFonts.firaCode(
                                            textStyle:
                                                Theme.of(context).textTheme.titleMedium,
                                          ),
                                        ),
                                      ),
                                  response:
                                      (str) => Padding(
                                        padding: const EdgeInsets.symmetric(vertical: 2),
                                        child: Text(
                                          '= $str',
                                          style: GoogleFonts.firaCode(
                                            textStyle:
                                                Theme.of(context).textTheme.titleMedium,
                                            color: Colors.blue[800],
                                          ),
                                        ),
                                      ),
                                  error:
                                      (str) => Padding(
                                        padding: const EdgeInsets.symmetric(vertical: 2),
                                        child: Text(
                                          str,
                                          style: GoogleFonts.firaCode(
                                            textStyle:
                                                Theme.of(context).textTheme.titleSmall,
                                            color: Colors.red[800],
                                            fontWeight: FontWeight.bold,
                                          ),
                                        ),
                                      ),
                                ),
                            itemCount: messages.length,
                          ),
                        ),
                      ),
                    ),
                    const Divider(height: 1.0),
                    SafeArea(
                      top: false,
                      child: Container(
                        decoration: BoxDecoration(color: Theme.of(context).cardColor),
                        child: _buildTextComposer(),
                      ),
                    ),
                  ],
                ),
              );
            }

            Widget _buildTextComposer() {
              return IconTheme(
                data: IconThemeData(color: Theme.of(context).colorScheme.secondary),
                child: Container(
                  margin: const EdgeInsets.symmetric(horizontal: 8.0),
                  child: Row(
                    children: [
                      Text('>', style: Theme.of(context).textTheme.titleMedium),
                      const SizedBox(width: 4),
                      Flexible(
                        child: TextField(
                          controller: _controller,
                          decoration: const InputDecoration(border: InputBorder.none),
                          onChanged: (text) {
                            setState(() {
                              _isComposing = text.isNotEmpty;
                            });
                          },
                          onSubmitted: _isComposing ? _handleSubmitted : null,
                          focusNode: _focusNode,
                        ),
                      ),
                      Container(
                        margin: const EdgeInsets.symmetric(horizontal: 4.0),
                        child: IconButton(
                          icon: const Icon(Icons.send),
                          onPressed:
                              _isComposing
                                  ? () => _handleSubmitted(_controller.text)
                                  : null,
                        ),
                      ),
                    ],
                  ),
                ),
              );
            }
          }
      - name: mkdir example/test
        path: ffigen_app
        mkdir: example/test
      - name: Create example/test/widget_test.dart
        path: ffigen_app/example/test/widget_test.dart
        replace-contents: |
          import 'package:ffigen_app/ffigen_app.dart';
          import 'package:ffigen_app_example/main.dart';
          import 'package:flutter_riverpod/flutter_riverpod.dart';
          import 'package:flutter_test/flutter_test.dart';
          
          void main() {
            testWidgets('DuktapeApp displays the title', (tester) async {
              // Build our app and trigger a frame.
              await tester.pumpWidget(const ProviderScope(child: DuktapeApp()));
          
              // Verify that our app displays the title
              expect(find.text('Duktape REPL'), findsOneWidget);
            });
          
            test('Duktape.evalString', () {
              final duktape = Duktape();
              final response = duktape.evalString('1+2');
              expect(response, '3');
            });
          }
      - name: Patch example/macos/Runner/DebugProfile.entitlements
        path: ffigen_app/example/macos/Runner/DebugProfile.entitlements
        patch-u: |
          diff --git b/ffigen_codelab/step_07/example/macos/Runner/DebugProfile.entitlements a/ffigen_codelab/step_07/example/macos/Runner/DebugProfile.entitlements
          index dddb8a30..08c3ab17 100644
          --- b/ffigen_codelab/step_07/example/macos/Runner/DebugProfile.entitlements
          +++ a/ffigen_codelab/step_07/example/macos/Runner/DebugProfile.entitlements
          @@ -8,5 +8,7 @@
           	<true/>
           	<key>com.apple.security.network.server</key>
           	<true/>
          +	<key>com.apple.security.network.client</key>
          +	<true/>
           </dict>
           </plist>
      - name: Patch example/macos/Runner/Release.entitlements
        path: ffigen_app/example/macos/Runner/Release.entitlements
        patch-u: |
          diff --git b/ffigen_codelab/step_07/example/macos/Runner/Release.entitlements a/ffigen_codelab/step_07/example/macos/Runner/Release.entitlements
          index 852fa1a4..ee95ab7e 100644
          --- b/ffigen_codelab/step_07/example/macos/Runner/Release.entitlements
          +++ a/ffigen_codelab/step_07/example/macos/Runner/Release.entitlements
          @@ -4,5 +4,7 @@
           <dict>
           	<key>com.apple.security.app-sandbox</key>
           	<true/>
          +	<key>com.apple.security.network.client</key>
          +	<true/>
           </dict>
           </plist>
      - name: Flutter clean
        path: ffigen_app/example
        flutter: clean
      - name: Add path
        path: ffigen_app
        dart: pub add path
      - name: Add flutter_riverpod freezed_annotation google_fonts
        path: ffigen_app/example
        dart: pub add flutter_riverpod freezed_annotation google_fonts
      - name: Add build_runner freezed
        path: ffigen_app/example
        dart: pub add -d build_runner freezed
      - name: flutter clean
        path: ffigen_app/example
        flutter: clean
      - name: build runner
        path: ffigen_app/example
        dart: run build_runner build --delete-conflicting-outputs
      - name: format duktape_message
        path: ffigen_app/example
        dart: format lib/duktape_message.freezed.dart
      - name: dart analyze
        path: ffigen_app
        dart: analyze --fatal-infos
      - name: Build iOS simulator bundle
        path: ffigen_app/example
        platforms: [ macos ]
        flutter: build ios --simulator
      - name: Build macOS app
        path: ffigen_app/example
        platforms: [ macos ]
        flutter: build macos --debug
      - name: Test macOS bundle
        path: ffigen_app/example
        platforms: [ macos ]
        flutter: test
      - name: Build Android app
        path: ffigen_app/example
        platforms: [ macos ]
        flutter: build apk --debug 
      - name: Build Windows app
        path: ffigen_app/example
        platforms: [ windows ]
        flutter: build windows --debug 
      - name: Build Linux app
        path: ffigen_app/example
        platforms: [ linux ]
        flutter: build linux --debug 
      - name: Flutter clean
        path: ffigen_app/example
        flutter: clean
      - name: Copy step_07
        copydir:
          from: ffigen_app
          to: step_07
  - name: Cleanup ffigen_app
    rmdir: ffigen_app