[objective_c] Automate generation of ffigen's built in ObjC types lists

pkgs/ffigen/CHANGELOG.md

@@ -1,3 +1,5 @@
+## 19.1.0-wip
+
 ## 19.0.0
 
 - Use package:objective_c 8.0.0.

pkgs/ffigen/lib/src/code_generator/objc_built_in_functions.dart

@@ -2,13 +2,12 @@
 // 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 'package:meta/meta.dart';
-
 import '../code_generator.dart';
 import '../config_provider/config_types.dart';
 import '../visitor/ast.dart';
 
 import 'binding_string.dart';
+import 'objc_built_in_types.dart';
 import 'utils.dart';
 import 'writer.dart';
 
@@ -49,144 +48,18 @@ class ObjCBuiltInFunctions {
       ObjCImport('UnimplementedOptionalMethodException');
   static const checkOsVersion = ObjCImport('checkOsVersionInternal');
 
-  // Keep in sync with pkgs/objective_c/ffigen_objc.yaml.
-
-  @visibleForTesting
-  static const builtInInterfaces = {
-    'DartInputStreamAdapter',
-    'DartProtocol',
-    'DartProtocolBuilder',
-    'NSArray',
-    'NSCharacterSet',
-    'NSCoder',
-    'NSData',
-    'NSDate',
-    'NSDictionary',
-    'NSEnumerator',
-    'NSError',
-    'NSIndexSet',
-    'NSInputStream',
-    'NSInvocation',
-    'NSItemProvider',
-    'NSLocale',
-    'NSMethodSignature',
-    'NSMutableArray',
-    'NSMutableData',
-    'NSMutableDictionary',
-    'NSMutableIndexSet',
-    'NSMutableOrderedSet',
-    'NSMutableSet',
-    'NSMutableString',
-    'NSNotification',
-    'NSNumber',
-    'NSObject',
-    'NSOrderedCollectionDifference',
-    'NSOrderedSet',
-    'NSOutputStream',
-    'NSPort',
-    'NSPortMessage',
-    'NSRunLoop',
-    'NSSet',
-    'NSStream',
-    'NSString',
-    'NSTimer',
-    'NSURL',
-    'NSURLHandle',
-    'NSValue',
-    'Protocol',
-  };
-  @visibleForTesting
-  static const builtInCompounds = {
-    'AEDesc': 'AEDesc',
-    '__CFRunLoop': 'CFRunLoop',
-    '__CFString': 'CFString',
-    'CGPoint': 'CGPoint',
-    'CGRect': 'CGRect',
-    'CGSize': 'CGSize',
-    'NSEdgeInsets': 'NSEdgeInsets',
-    'NSFastEnumerationState': 'NSFastEnumerationState',
-    '_NSRange': 'NSRange',
-    '_NSZone': 'NSZone',
-    'OpaqueAEDataStorageType': 'OpaqueAEDataStorageType',
-  };
-  @visibleForTesting
-  static const builtInEnums = {
-    'NSAppleEventSendOptions',
-    'NSBinarySearchingOptions',
-    'NSComparisonResult',
-    'NSDataBase64DecodingOptions',
-    'NSDataBase64EncodingOptions',
-    'NSDataCompressionAlgorithm',
-    'NSDataReadingOptions',
-    'NSDataSearchOptions',
-    'NSDataWritingOptions',
-    'NSDecodingFailurePolicy',
-    'NSEnumerationOptions',
-    'NSItemProviderFileOptions',
-    'NSItemProviderRepresentationVisibility',
-    'NSKeyValueChange',
-    'NSKeyValueObservingOptions',
-    'NSKeyValueSetMutationKind',
-    'NSLinguisticTaggerOptions',
-    'NSLocaleLanguageDirection',
-    'NSOrderedCollectionDifferenceCalculationOptions',
-    'NSPropertyListFormat',
-    'NSQualityOfService',
-    'NSSortOptions',
-    'NSStreamEvent',
-    'NSStreamStatus',
-    'NSStringCompareOptions',
-    'NSStringEncodingConversionOptions',
-    'NSStringEnumerationOptions',
-    'NSURLBookmarkCreationOptions',
-    'NSURLBookmarkResolutionOptions',
-    'NSURLHandleStatus',
-  };
-  @visibleForTesting
-  static const builtInProtocols = {
-    'NSCoding': 'NSCoding',
-    'NSCopying': 'NSCopying',
-    'NSFastEnumeration': 'NSFastEnumeration',
-    'NSItemProviderReading': 'NSItemProviderReading',
-    'NSItemProviderWriting': 'NSItemProviderWriting',
-    'NSMutableCopying': 'NSMutableCopying',
-    'NSObject': 'NSObjectProtocol',
-    'NSPortDelegate': 'NSPortDelegate',
-    'NSSecureCoding': 'NSSecureCoding',
-    'NSStreamDelegate': 'NSStreamDelegate',
-  };
-  @visibleForTesting
-  static const builtInCategories = {
-    'NSDataCreation',
-    'NSExtendedArray',
-    'NSExtendedData',
-    'NSExtendedDate',
-    'NSExtendedDictionary',
-    'NSExtendedEnumerator',
-    'NSExtendedMutableArray',
-    'NSExtendedMutableData',
-    'NSExtendedMutableDictionary',
-    'NSExtendedMutableOrderedSet',
-    'NSExtendedMutableSet',
-    'NSExtendedOrderedSet',
-    'NSExtendedSet',
-    'NSNumberCreation',
-    'NSNumberIsFloat',
-    'NSStringExtensionMethods',
-  };
-
   // TODO(https://github.com/dart-lang/native/issues/1173): Ideally this check
   // would be based on more than just the name.
-  bool isBuiltInInterface(String name) =>
-      !generateForPackageObjectiveC && builtInInterfaces.contains(name);
+  String? getBuiltInInterfaceName(String name) =>
+      generateForPackageObjectiveC ? null : objCBuiltInInterfaces[name];
   String? getBuiltInCompoundName(String name) =>
-      generateForPackageObjectiveC ? null : builtInCompounds[name];
+      generateForPackageObjectiveC ? null : objCBuiltInCompounds[name];
   bool isBuiltInEnum(String name) =>
-      !generateForPackageObjectiveC && builtInEnums.contains(name);
+      !generateForPackageObjectiveC && objCBuiltInEnums.contains(name);
   String? getBuiltInProtocolName(String name) =>
-      generateForPackageObjectiveC ? null : builtInProtocols[name];
+      generateForPackageObjectiveC ? null : objCBuiltInProtocols[name];
   bool isBuiltInCategory(String name) =>
-      !generateForPackageObjectiveC && builtInCategories.contains(name);
+      !generateForPackageObjectiveC && objCBuiltInCategories.contains(name);
   static bool isNSObject(String name) => name == 'NSObject';
 
   // We need to load a separate instance of objc_msgSend for each signature. If

pkgs/ffigen/lib/src/code_generator/objc_built_in_types.dart

@@ -0,0 +1,128 @@
+// 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.
+
+// Generated by package:objective_c's tool/generate_code.dart.
+
+const objCBuiltInInterfaces = {
+  'DOBJCDartInputStreamAdapter': 'DartInputStreamAdapter',
+  'DOBJCDartProtocolBuilder': 'DartProtocolBuilder',
+  'DOBJCDartProtocol': 'DartProtocol',
+  'NSArray': 'NSArray',
+  'NSCharacterSet': 'NSCharacterSet',
+  'NSCoder': 'NSCoder',
+  'NSData': 'NSData',
+  'NSDate': 'NSDate',
+  'NSDictionary': 'NSDictionary',
+  'NSEnumerator': 'NSEnumerator',
+  'NSError': 'NSError',
+  'NSIndexSet': 'NSIndexSet',
+  'NSInputStream': 'NSInputStream',
+  'NSInvocation': 'NSInvocation',
+  'NSItemProvider': 'NSItemProvider',
+  'NSLocale': 'NSLocale',
+  'NSMethodSignature': 'NSMethodSignature',
+  'NSMutableArray': 'NSMutableArray',
+  'NSMutableData': 'NSMutableData',
+  'NSMutableDictionary': 'NSMutableDictionary',
+  'NSMutableIndexSet': 'NSMutableIndexSet',
+  'NSMutableOrderedSet': 'NSMutableOrderedSet',
+  'NSMutableSet': 'NSMutableSet',
+  'NSMutableString': 'NSMutableString',
+  'NSNotification': 'NSNotification',
+  'NSNumber': 'NSNumber',
+  'NSObject': 'NSObject',
+  'NSOutputStream': 'NSOutputStream',
+  'NSOrderedCollectionDifference': 'NSOrderedCollectionDifference',
+  'NSOrderedSet': 'NSOrderedSet',
+  'NSPort': 'NSPort',
+  'NSPortMessage': 'NSPortMessage',
+  'NSRunLoop': 'NSRunLoop',
+  'NSSet': 'NSSet',
+  'NSStream': 'NSStream',
+  'NSString': 'NSString',
+  'NSTimer': 'NSTimer',
+  'NSURL': 'NSURL',
+  'NSURLHandle': 'NSURLHandle',
+  'NSValue': 'NSValue',
+  'Protocol': 'Protocol',
+};
+
+const objCBuiltInCompounds = {
+  'AEDesc': 'AEDesc',
+  '__CFRunLoop': 'CFRunLoop',
+  '__CFString': 'CFString',
+  'CGPoint': 'CGPoint',
+  'CGRect': 'CGRect',
+  'CGSize': 'CGSize',
+  'NSEdgeInsets': 'NSEdgeInsets',
+  'NSFastEnumerationState': 'NSFastEnumerationState',
+  '_NSRange': 'NSRange',
+  '_NSZone': 'NSZone',
+  'OpaqueAEDataStorageType': 'OpaqueAEDataStorageType',
+};
+
+const objCBuiltInEnums = {
+  'NSAppleEventSendOptions',
+  'NSBinarySearchingOptions',
+  'NSComparisonResult',
+  'NSDataBase64DecodingOptions',
+  'NSDataBase64EncodingOptions',
+  'NSDataCompressionAlgorithm',
+  'NSDataReadingOptions',
+  'NSDataSearchOptions',
+  'NSDataWritingOptions',
+  'NSDecodingFailurePolicy',
+  'NSEnumerationOptions',
+  'NSItemProviderFileOptions',
+  'NSItemProviderRepresentationVisibility',
+  'NSKeyValueChange',
+  'NSKeyValueObservingOptions',
+  'NSKeyValueSetMutationKind',
+  'NSLinguisticTaggerOptions',
+  'NSLocaleLanguageDirection',
+  'NSOrderedCollectionDifferenceCalculationOptions',
+  'NSPropertyListFormat',
+  'NSQualityOfService',
+  'NSSortOptions',
+  'NSStreamEvent',
+  'NSStreamStatus',
+  'NSStringCompareOptions',
+  'NSStringEncodingConversionOptions',
+  'NSStringEnumerationOptions',
+  'NSURLBookmarkCreationOptions',
+  'NSURLBookmarkResolutionOptions',
+  'NSURLHandleStatus',
+};
+
+const objCBuiltInProtocols = {
+  'NSCoding': 'NSCoding',
+  'NSCopying': 'NSCopying',
+  'NSFastEnumeration': 'NSFastEnumeration',
+  'NSItemProviderReading': 'NSItemProviderReading',
+  'NSItemProviderWriting': 'NSItemProviderWriting',
+  'NSMutableCopying': 'NSMutableCopying',
+  'NSObject': 'NSObjectProtocol',
+  'NSPortDelegate': 'NSPortDelegate',
+  'NSSecureCoding': 'NSSecureCoding',
+  'NSStreamDelegate': 'NSStreamDelegate',
+};
+
+const objCBuiltInCategories = {
+  'NSDataCreation',
+  'NSExtendedArray',
+  'NSExtendedData',
+  'NSExtendedDate',
+  'NSExtendedDictionary',
+  'NSExtendedEnumerator',
+  'NSExtendedMutableArray',
+  'NSExtendedMutableData',
+  'NSExtendedMutableDictionary',
+  'NSExtendedMutableOrderedSet',
+  'NSExtendedMutableSet',
+  'NSExtendedOrderedSet',
+  'NSExtendedSet',
+  'NSNumberCreation',
+  'NSNumberIsFloat',
+  'NSStringExtensionMethods',
+};

pkgs/ffigen/lib/src/code_generator/objc_interface.dart

@@ -38,7 +38,10 @@ class ObjCInterface extends BindingType with ObjCMethods {
     required this.builtInFunctions,
     required this.apiAvailability,
   })  : lookupName = lookupName ?? originalName,
-        super(name: name ?? originalName) {
+        super(
+            name: builtInFunctions.getBuiltInInterfaceName(originalName) ??
+                name ??
+                originalName) {
     classObject = ObjCInternalGlobal('_class_$originalName',
         (Writer w) => '${ObjCBuiltInFunctions.getClass.gen(w)}("$lookupName")');
     _isKindOfClass = builtInFunctions.getSelObject('isKindOfClass:');
@@ -56,7 +59,8 @@ class ObjCInterface extends BindingType with ObjCMethods {
   }
 
   @override
-  bool get isObjCImport => builtInFunctions.isBuiltInInterface(originalName);
+  bool get isObjCImport =>
+      builtInFunctions.getBuiltInInterfaceName(originalName) != null;
 
   @override
   void sort() => sortMethods();

pkgs/ffigen/pubspec.yaml

@@ -3,7 +3,7 @@
 # BSD-style license that can be found in the LICENSE file.
 
 name: ffigen
-version: 19.0.0
+version: 19.1.0-wip
 description: >
   Generator for FFI bindings, using LibClang to parse C, Objective-C, and Swift
   files.

pkgs/objective_c/CHANGELOG.md

@@ -1,3 +1,5 @@
+## 8.1.0-wip
+
 ## 8.0.0
 
 - Use ffigen 19.0.0