Merge package:ffigen into dart-lang/native

.github/workflows/ffigen.yml

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+name: ffigen CI
+
+on:
+  # Run on PRs and pushes to the default branch.
+  push:
+    branches: [main, stable]
+    paths:
+      - '.github/workflows/ffigen.yml'
+      - 'pkgs/ffigen/**'
+  pull_request:
+    branches: [main, stable]
+    paths:
+      - '.github/workflows/ffigen.yml'
+      - 'pkgs/ffigen/**'
+  schedule:
+    - cron: "0 0 * * 0"
+
+env:
+  PUB_ENVIRONMENT: bot.github
+
+jobs:
+  # Check code formatting and static analysis on a single OS (macos).
+  analyze:
+    runs-on: macos-latest
+    defaults:
+      run:
+        working-directory: pkgs/ffigen/
+    strategy:
+      fail-fast: false
+      matrix:
+        # TODO: Change to 3.2.0 stable once it's released.
+        sdk: [3.2.0-210.4.beta]
+    steps:
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+      - uses: dart-lang/setup-dart@b64355ae6ca0b5d484f0106a033dd1388965d06d
+        with:
+          sdk: ${{ matrix.sdk }}
+      - id: install
+        name: Install dependencies
+        run: dart pub get && dart pub get --directory="example/shared_bindings"
+      - name: Check formatting
+        run: dart format --output=none --set-exit-if-changed .
+        if: always() && steps.install.outcome == 'success'
+      - name: Build test dylib and bindings
+        run: dart test/setup.dart
+      - name: Analyze code
+        run: dart analyze --fatal-infos
+        if: always() && steps.install.outcome == 'success'
+
+  test-linux:
+    needs: analyze
+    runs-on: ubuntu-22.04
+    defaults:
+      run:
+        working-directory: pkgs/ffigen/
+    steps:
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+      - uses: dart-lang/setup-dart@b64355ae6ca0b5d484f0106a033dd1388965d06d
+        with:
+          sdk: 3.2.0-210.4.beta
+      - name: Install dependencies
+        run: dart pub get
+      - name: Install libclang-14-dev
+        run: sudo apt-get install libclang-14-dev
+      - name: Build test dylib and bindings
+        run: dart test/setup.dart
+      - name: Run VM tests
+        run: dart test --platform vm --concurrency=1
+
+  test-mac:
+    needs: analyze
+    runs-on: macos-latest
+    defaults:
+      run:
+        working-directory: pkgs/ffigen/
+    steps:
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+      - uses: dart-lang/setup-dart@b64355ae6ca0b5d484f0106a033dd1388965d06d
+        with:
+          sdk: 3.2.0-210.4.beta
+      - name: Install dependencies
+        run: dart pub get
+      - name: Build test dylib and bindings
+        run: dart test/setup.dart
+      - name: Run VM tests
+        run: dart test --platform vm --concurrency=1
+      - name: Collect coverage
+        run: ./tool/coverage.sh
+      - name: Upload coverage
+        uses: coverallsapp/github-action@3dfc5567390f6fa9267c0ee9c251e4c8c3f18949
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          path-to-lcov: pkgs/ffigen/lcov.info
+
+  test-windows:
+    needs: analyze
+    runs-on: windows-latest
+    defaults:
+      run:
+        working-directory: pkgs/ffigen/
+    steps:
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+      - uses: dart-lang/setup-dart@b64355ae6ca0b5d484f0106a033dd1388965d06d
+        with:
+          sdk: 3.2.0-210.4.beta
+      - name: Install dependencies
+        run: dart pub get
+      - name: Build test dylib and bindings
+        run: dart test/setup.dart
+      - name: Run VM tests
+        run: dart test --platform vm --concurrency=1
+
+  # Sanity check the latest `flutter create --template plugin_ffi`.
+  # This will break if we change the Flutter template or the generated code.
+  # But, getting libclang on the LUCI infrastructure has proven to be
+  # non-trivial. See discussion on
+  # https://github.com/flutter/flutter/issues/105513.
+  # If we need to change the generated code, we should temporarily disable this
+  # test, or temporarily disable the requirement for all bots to be green to
+  # merge PRs.
+  # Running this sanity check on one OS should be sufficient. Chosing Windows
+  # because it is the most likely to break.
+  test-windows-flutter:
+    needs: analyze
+    runs-on: windows-latest
+    defaults:
+      run:
+        working-directory: pkgs/ffigen/
+    steps:
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+      - uses: subosito/flutter-action@2783a3f08e1baf891508463f8c6653c258246225
+        with:
+          channel: "master"
+      - name: Install dependencies
+        run: flutter pub get
+      - name: Build test dylib and bindings
+        run: dart test/setup.dart
+      - name: Run VM tests
+        run: flutter pub run test test_flutter/ --platform vm

pkgs/ffigen/.gitignore

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+# See https://dart.dev/guides/libraries/private-files
+
+# Files and directories created by pub.
+.dart_tool/
+.packages
+pubspec.lock
+
+# IDE and debugger files.
+.clangd
+.gdb_history
+.history
+.vscode
+compile_commands.json
+
+# Directory created by dartdoc.
+# If you don't generate documentation locally you can remove this line.
+doc/api/
+
+# Avoid committing generated Javascript files:
+*.dart.js
+*.info.json      # Produced by the --dump-info flag.
+*.js             # When generated by dart2js. Don't specify *.js if your
+                 # project includes source files written in JavaScript.
+*.js_
+*.js.deps
+*.js.map
+
+# Generated shared libraries.
+*.so
+*.so.*
+*.dylib
+*.dll
+
+# Directory for quick experiments.
+experiments/
+
+# Files generated by tests for debugging purposes.
+test/debug_generated/*
+!test/debug_generated/readme.md
+lcov.info
+coverage.json
+
+# Files generated by various OSs.
+.DS_Store

pkgs/ffigen/AUTHORS

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+# Below is a list of people and organizations that have contributed
+# to the Dart project. Names should be added to the list like so:
+#
+#   Name/Organization <email address>
+
+Google LLC
+
+Prerak Mann <mannprerak2@gmail.com>