[swiftgen] Initial version of swiftgen

.github/workflows/ffigen.yml

@@ -106,7 +106,7 @@ jobs:
       - name: Upload coverage
         uses: coverallsapp/github-action@648a8eb78e6d50909eff900e4ec85cab4524a45b
         with:
-          carryforward: "ffigen,jni,jnigen,native_pkgs_macos,native_pkgs_ubuntu,native_pkgs_windows,objective_c,swift2objc"
+          carryforward: "ffigen,jni,jnigen,native_pkgs_macos,native_pkgs_ubuntu,native_pkgs_windows,objective_c,swift2objc,swiftgen"
           github-token: ${{ secrets.GITHUB_TOKEN }}
           parallel-finished: true
 

.github/workflows/jnigen.yaml

@@ -447,6 +447,6 @@ jobs:
       - name: Coveralls finished
         uses: coverallsapp/github-action@648a8eb78e6d50909eff900e4ec85cab4524a45b
         with:
-          carryforward: "ffigen,jni,jnigen,native_pkgs_macos,native_pkgs_ubuntu,native_pkgs_windows,objective_c,swift2objc"
+          carryforward: "ffigen,jni,jnigen,native_pkgs_macos,native_pkgs_ubuntu,native_pkgs_windows,objective_c,swift2objc,swiftgen"
           github-token: ${{ secrets.github_token }}
           parallel-finished: true

.github/workflows/native.yaml

@@ -82,6 +82,6 @@ jobs:
       - name: Upload coverage
         uses: coverallsapp/github-action@648a8eb78e6d50909eff900e4ec85cab4524a45b
         with:
-          carryforward: "ffigen,jni,jnigen,native_pkgs_macos,native_pkgs_ubuntu,native_pkgs_windows,objective_c,swift2objc"
+          carryforward: "ffigen,jni,jnigen,native_pkgs_macos,native_pkgs_ubuntu,native_pkgs_windows,objective_c,swift2objc,swiftgen"
           github-token: ${{ secrets.GITHUB_TOKEN }}
           parallel-finished: true

.github/workflows/objective_c.yaml

@@ -78,7 +78,7 @@ jobs:
       - name: Upload coverage
         uses: coverallsapp/github-action@648a8eb78e6d50909eff900e4ec85cab4524a45b
         with:
-          carryforward: "ffigen,jni,jnigen,native_pkgs_macos,native_pkgs_ubuntu,native_pkgs_windows,objective_c,swift2objc"
+          carryforward: "ffigen,jni,jnigen,native_pkgs_macos,native_pkgs_ubuntu,native_pkgs_windows,objective_c,swift2objc,swiftgen"
           github-token: ${{ secrets.GITHUB_TOKEN }}
           parallel-finished: true
 

.github/workflows/swift2objc.yaml

@@ -69,6 +69,6 @@ jobs:
       - name: Upload coverage
         uses: coverallsapp/github-action@648a8eb78e6d50909eff900e4ec85cab4524a45b
         with:
-          carryforward: "ffigen,jni,jnigen,native_pkgs_macos,native_pkgs_ubuntu,native_pkgs_windows,objective_c,swift2objc"
+          carryforward: "ffigen,jni,jnigen,native_pkgs_macos,native_pkgs_ubuntu,native_pkgs_windows,objective_c,swift2objc,swiftgen"
           github-token: ${{ secrets.GITHUB_TOKEN }}
           parallel-finished: true

.github/workflows/swiftgen.yaml

@@ -0,0 +1,84 @@
+name: swiftgen
+
+on:
+  # Run on PRs and pushes to the default branch.
+  push:
+    branches: [main, stable]
+    paths:
+      - '.github/workflows/swiftgen.yaml'
+      - 'pkgs/swiftgen/**'
+  pull_request:
+    branches: [main, stable]
+    paths:
+      - '.github/workflows/swiftgen.yaml'
+      - 'pkgs/ffigen/**'
+      - 'pkgs/objective_c/**'
+      - 'pkgs/swift2objc/**'
+      - 'pkgs/swiftgen/**'
+  schedule:
+    - cron: "0 0 * * 0"
+
+env:
+  PUB_ENVIRONMENT: bot.github
+
+jobs:
+  # Check code formatting and static analysis.
+  analyze:
+    runs-on: macos-latest
+    defaults:
+      run:
+        working-directory: pkgs/swiftgen/
+    strategy:
+      fail-fast: false
+    steps:
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
+      - uses: subosito/flutter-action@e938fdf56512cc96ef2f93601a5a40bde3801046
+        with:
+          channel: 'stable'
+      - id: install
+        name: Install dependencies
+        run: flutter pub get
+      - name: Check formatting
+        run: dart format --output=none --set-exit-if-changed .
+        if: always() && steps.install.outcome == 'success'
+      - name: Analyze code
+        run: dart analyze --fatal-infos
+        if: always() && steps.install.outcome == 'success'
+
+  test-mac:
+    needs: analyze
+    runs-on: 'macos-latest'
+    defaults:
+      run:
+        working-directory: pkgs/swiftgen/
+    steps:
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
+      - uses: subosito/flutter-action@e938fdf56512cc96ef2f93601a5a40bde3801046
+        with:
+          channel: 'stable'
+      - name: Install dependencies
+        run: flutter pub get
+      - name: Install ObjC dependencies
+        working-directory: pkgs/objective_c/
+        run: flutter pub get
+      - name: Build ObjC test dylib
+        working-directory: pkgs/objective_c/
+        # TODO(https://github.com/dart-lang/native/issues/1068): Remove this.
+        run: dart test/setup.dart
+      - name: Install coverage
+        run: dart pub global activate coverage
+      - name: Run VM tests and collect coverage
+        run: dart pub global run coverage:test_with_coverage --scope-output=swiftgen
+      - name: Upload coverage
+        uses: coverallsapp/github-action@648a8eb78e6d50909eff900e4ec85cab4524a45b
+        with:
+          flag-name: swiftgen
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          parallel: true
+          path-to-lcov: pkgs/swiftgen/coverage/lcov.info
+      - name: Upload coverage
+        uses: coverallsapp/github-action@648a8eb78e6d50909eff900e4ec85cab4524a45b
+        with:
+          carryforward: "ffigen,jni,jnigen,native_pkgs_macos,native_pkgs_ubuntu,native_pkgs_windows,objective_c,swift2objc,swiftgen"
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          parallel-finished: true

pkgs/ffigen/lib/ffigen.dart

@@ -8,12 +8,21 @@
 /// https://pub.dev/packages/ffigen for details.
 library ffigen;
 
+export 'src/code_generator/imports.dart' show ImportedType, LibraryImport;
 export 'src/config_provider.dart'
     show
+        CommentType,
+        CompoundDependencies,
         Config,
+        Declaration,
         DeclarationFilters,
         ExternalVersions,
+        FfiNativeConfig,
         Language,
+        PackingValue,
+        SymbolFile,
+        VarArgFunction,
         Versions,
-        YamlConfig;
+        YamlConfig,
+        defaultCompilerOpts;
 export 'src/ffigen.dart' show FfiGen;

pkgs/ffigen/lib/src/config_provider.dart

@@ -7,4 +7,5 @@ library config_provider;
 
 export 'config_provider/config.dart';
 export 'config_provider/config_types.dart';
+export 'config_provider/path_finder.dart';
 export 'config_provider/yaml_config.dart';

pkgs/ffigen/lib/src/config_provider/config.dart

@@ -200,7 +200,7 @@ abstract interface class Config {
     Uri? outputObjC,
     SymbolFile? symbolFile,
     Language language = Language.c,
-    required List<Uri> entryPoints,
+    List<Uri> entryPoints = const <Uri>[],
     bool Function(Uri header)? shouldIncludeHeaderFunc,
     List<String>? compilerOpts,
     Map<String, List<VarArgFunction>> varArgFunctions =

pkgs/ffigen/test/large_integration_tests/large_objc_test.dart

@@ -13,7 +13,6 @@ import 'dart:io';
 
 import 'package:ffigen/ffigen.dart';
 import 'package:ffigen/src/code_generator/utils.dart';
-import 'package:ffigen/src/config_provider/config_types.dart';
 import 'package:logging/logging.dart';
 import 'package:path/path.dart' as path;
 import 'package:pub_semver/pub_semver.dart';

pkgs/swiftgen/example/.gitignore

@@ -0,0 +1 @@
+temp/

pkgs/swiftgen/example/README.md

@@ -0,0 +1,15 @@
+# swiftgen example
+
+Demonstrates how to use swiftgen to generate Dart bindings for a Swift API.
+
+Regenerating the bindings:
+
+```shell
+dart generate_code.dart
+```
+
+Running the example:
+
+```shell
+dart play_audio.dart <audio_file>
+```