[objective_c] Various small fixes

pkgs/ffigen/CHANGELOG.md

@@ -1,3 +1,9 @@
+## 20.1.0
+
+- Add `xcodeUri`, `iosSdkUri`, and `macSdkUri`, to mirror `xcodePath`,
+  `iosSdkPath`, and `macSdkPath`.
+- Export some missing elements from the config API.
+
 ## 20.0.0
 
 - __Breaking change__: Completely rewrite the public Dart API for FFIgen.

pkgs/ffigen/lib/ffigen.dart

@@ -18,10 +18,13 @@ export 'src/config_provider.dart'
     show
         BindingStyle,
         Categories,
+        CommentLength,
+        CommentStyle,
         CommentType,
         CompoundDependencies,
         Declaration,
         DynamicLibraryBindings,
+        EnumStyle,
         Enums,
         ExternalVersions,
         FfiGenerator,
@@ -42,9 +45,13 @@ export 'src/config_provider.dart'
         Unions,
         UnnamedEnums,
         VarArgFunction,
+        Version,
         Versions,
         YamlConfig,
         defaultCompilerOpts,
         iosSdkPath,
+        iosSdkUri,
         macSdkPath,
-        xcodePath;
+        macSdkUri,
+        xcodePath,
+        xcodeUri;

pkgs/ffigen/lib/src/config_provider.dart

@@ -8,5 +8,6 @@ library;
 export 'config_provider/config.dart';
 export 'config_provider/config_types.dart';
 export 'config_provider/path_finder.dart';
-export 'config_provider/utils.dart' show iosSdkPath, macSdkPath, xcodePath;
+export 'config_provider/utils.dart'
+    show iosSdkPath, iosSdkUri, macSdkPath, macSdkUri, xcodePath, xcodeUri;
 export 'config_provider/yaml_config.dart';

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

@@ -15,6 +15,8 @@ import '../code_generator.dart';
 import 'config.dart';
 import 'path_finder.dart';
 
+export 'package:pub_semver/pub_semver.dart' show Version;
+
 enum Language { c, objc }
 
 class CommentType {

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

@@ -9,7 +9,6 @@ import 'package:glob/glob.dart';
 import 'package:logging/logging.dart';
 import 'package:package_config/package_config.dart';
 import 'package:path/path.dart' as p;
-import 'package:pub_semver/pub_semver.dart';
 import 'package:quiver/pattern.dart' as quiver;
 import 'package:yaml/yaml.dart';
 

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

@@ -62,3 +62,18 @@ String get iosSdkPath => _iosSdk.value;
 ///
 /// This is the result of the command `xcrun --show-sdk-path --sdk macosx`.
 String get macSdkPath => _macSdk.value;
+
+/// The directory where Xcode's APIs are installed.
+///
+/// This is the result of the command `xcode-select -p`.
+Uri get xcodeUri => Uri.directory(xcodePath);
+
+/// The directory within [xcodePath] where the iOS SDK is installed.
+///
+/// This is the result of the command `xcrun --show-sdk-path --sdk iphoneos`.
+Uri get iosSdkUri => Uri.directory(iosSdkPath);
+
+/// The directory within [xcodePath] where the macOS SDK is installed.
+///
+/// This is the result of the command `xcrun --show-sdk-path --sdk macosx`.
+Uri get macSdkUri => Uri.directory(macSdkPath);

pkgs/ffigen/lib/src/header_parser/sub_parsers/api_availability.dart

@@ -6,7 +6,6 @@ import 'dart:ffi';
 
 import 'package:ffi/ffi.dart';
 import 'package:meta/meta.dart';
-import 'package:pub_semver/pub_semver.dart';
 
 import '../../config_provider/config_types.dart';
 import '../../context.dart';

pkgs/ffigen/lib/src/header_parser/utils.dart

@@ -6,7 +6,6 @@ import 'dart:ffi';
 
 import 'package:ffi/ffi.dart';
 import 'package:logging/logging.dart';
-import 'package:pub_semver/pub_semver.dart';
 
 import '../code_generator.dart';
 import '../config_provider/config_types.dart';

pkgs/ffigen/pubspec.yaml

@@ -3,7 +3,7 @@
 # BSD-style license that can be found in the LICENSE file.
 
 name: ffigen
-version: 20.0.0
+version: 20.1.0-dev
 description: >
   Generator for FFI bindings, using LibClang to parse C, Objective-C, and Swift
   files.

pkgs/ffigen/test/large_integration_tests/large_objc_test.dart

@@ -16,7 +16,6 @@ import 'package:ffigen/ffigen.dart';
 import 'package:ffigen/src/code_generator/utils.dart';
 import 'package:logging/logging.dart';
 import 'package:path/path.dart' as path;
-import 'package:pub_semver/pub_semver.dart';
 import 'package:test/test.dart';
 
 import '../test_utils.dart';

pkgs/ffigen/test/unit_tests/api_availability_test.dart

@@ -4,7 +4,6 @@
 
 import 'package:ffigen/src/config_provider/config_types.dart';
 import 'package:ffigen/src/header_parser/sub_parsers/api_availability.dart';
-import 'package:pub_semver/pub_semver.dart';
 import 'package:test/test.dart';
 
 void main() {

pkgs/ffigen/test/unit_tests/sdk_variables_test.dart

@@ -0,0 +1,28 @@
+// Copyright (c) 2025, 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.
+
+// Objective C support is only available on mac.
+@TestOn('mac-os')
+library;
+
+import 'dart:io';
+
+import 'package:ffigen/ffigen.dart';
+import 'package:test/test.dart';
+
+void main() {
+  group('SDK variables', () {
+    test('directories exist', () {
+      expect(Directory(xcodePath).existsSync(), isTrue);
+      expect(Directory(iosSdkPath).existsSync(), isTrue);
+      expect(Directory(macSdkPath).existsSync(), isTrue);
+    });
+
+    test('URIs', () {
+      expect(xcodeUri.path, '$xcodePath/');
+      expect(iosSdkUri.path, '$iosSdkPath/');
+      expect(macSdkUri.path, '$macSdkPath/');
+    });
+  });
+}

pkgs/objective_c/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 9.1.0
+
+- Use FFIgen 20.1.0
+
 ## 9.0.0
 
 - Use FFIgen 20.0.0

pkgs/objective_c/lib/src/internal.dart

@@ -323,7 +323,7 @@ final class ObjCObjectRef extends _ObjCReference<c.ObjCObjectImpl> {
   bool _isValid(ObjectPtr ptr) => _isValidObject(ptr);
 }
 
-/// Only for use by FFIgen bindings.
+/// Base class for all Objective-C objects.
 class ObjCObject extends _ObjCRefHolder<c.ObjCObjectImpl, ObjCObjectRef> {
   ObjCObject(ObjectPtr ptr, {required bool retain, required bool release})
     : super(ObjCObjectRef(ptr, retain: retain, release: release));
@@ -360,7 +360,7 @@ bool _isValidClass(ObjectPtr clazz, {bool forceReloadClasses = false}) {
   return _allClasses.contains(clazz);
 }
 
-/// Only for use by FFIgen bindings.
+/// Base class for all Objective-C protocols.
 // This exists so that interface_lists_test.dart can tell the difference between
 // a protocol and an interface.
 typedef ObjCProtocol = ObjCObject;

pkgs/objective_c/pubspec.yaml

@@ -4,7 +4,7 @@
 
 name: objective_c
 description: 'A library to access Objective C from Flutter that acts as a support library for package:ffigen.'
-version: 9.0.0+1
+version: 9.1.0-dev
 repository: https://github.com/dart-lang/native/tree/main/pkgs/objective_c
 issue_tracker: https://github.com/dart-lang/native/issues?q=is%3Aissue+is%3Aopen+label%3Apackage%3Aobjective_c
 
@@ -28,7 +28,7 @@ dependencies:
 dev_dependencies:
   args: ^2.6.0
   dart_flutter_team_lints: ^3.5.2
-  ffigen: ^20.0.0
+  ffigen: ^20.1.0
   flutter_test:
     sdk: flutter
   native_test_helpers: