[pigeon] Fix Obj-C signature mismatch (#3657)

[pigeon] Fix Obj-C signature mismatch

Author: stuartmorgan-g

packages/pigeon/CHANGELOG.md

@@ -1,3 +1,8 @@
+## 9.2.4
+
+* [objc] Fixes a warning due to a C++-style function signature in the codec
+  getter's definition.
+
 ## 9.2.3
 
 * [java] Fixes `UnknownNullability` and `SyntheticAccessor` warnings.

packages/pigeon/lib/generator_tools.dart

@@ -11,7 +11,7 @@ import 'ast.dart';
 /// The current version of pigeon.
 ///
 /// This must match the version in pubspec.yaml.
-const String pigeonVersion = '9.2.3';
+const String pigeonVersion = '9.2.4';
 
 /// Read all the content from [stdin] to a String.
 String readStdin() {

packages/pigeon/lib/objc_generator.dart

@@ -707,7 +707,7 @@ static id GetNullableObjectAtIndex(NSArray *array, NSInteger key) {
   /// ...
   /// @interface FooHostApiCodecReaderWriter : FlutterStandardReaderWriter
   /// ...
-  /// NSObject<FlutterMessageCodec> *FooHostApiCodecGetCodec() {...}
+  /// NSObject<FlutterMessageCodec> *FooHostApiCodecGetCodec(void) {...}
   void _writeCodec(
       Indent indent, String name, ObjcOptions options, Api api, Root root) {
     assert(getCodecClasses(api, root).isNotEmpty);
@@ -779,7 +779,7 @@ static id GetNullableObjectAtIndex(NSArray *array, NSInteger key) {
     final String readerWriterName = '${name}ReaderWriter';
 
     indent.write(
-        'NSObject<FlutterMessageCodec> *${_getCodecGetterName(options.prefix, api.name)}() ');
+        'NSObject<FlutterMessageCodec> *${_getCodecGetterName(options.prefix, api.name)}(void) ');
     indent.addScoped('{', '}', () {
       indent
           .writeln('static FlutterStandardMessageCodec *sSharedObject = nil;');

packages/pigeon/mock_handler_tester/test/message.dart

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
-// Autogenerated from Pigeon (v9.2.3), do not edit directly.
+// Autogenerated from Pigeon (v9.2.4), do not edit directly.
 // See also: https://pub.dev/packages/pigeon
 // ignore_for_file: public_member_api_docs, non_constant_identifier_names, avoid_as, unused_import, unnecessary_parenthesis, prefer_null_aware_operators, omit_local_variable_types, unused_shown_name, unnecessary_import
 

packages/pigeon/mock_handler_tester/test/test.dart

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
-// Autogenerated from Pigeon (v9.2.3), do not edit directly.
+// Autogenerated from Pigeon (v9.2.4), do not edit directly.
 // See also: https://pub.dev/packages/pigeon
 // ignore_for_file: public_member_api_docs, non_constant_identifier_names, avoid_as, unused_import, unnecessary_parenthesis, unnecessary_import
 // ignore_for_file: avoid_relative_lib_imports

packages/pigeon/platform_tests/alternate_language_test_plugin/android/src/main/java/com/example/alternate_language_test_plugin/CoreTests.java

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
-// Autogenerated from Pigeon (v9.2.3), do not edit directly.
+// Autogenerated from Pigeon (v9.2.4), do not edit directly.
 // See also: https://pub.dev/packages/pigeon
 
 package com.example.alternate_language_test_plugin;

packages/pigeon/platform_tests/alternate_language_test_plugin/ios/Classes/CoreTests.gen.h

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
-// Autogenerated from Pigeon (v9.2.3), do not edit directly.
+// Autogenerated from Pigeon (v9.2.4), do not edit directly.
 // See also: https://pub.dev/packages/pigeon
 
 #import <Foundation/Foundation.h>

packages/pigeon/platform_tests/alternate_language_test_plugin/ios/Classes/CoreTests.gen.m

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
-// Autogenerated from Pigeon (v9.2.3), do not edit directly.
+// Autogenerated from Pigeon (v9.2.4), do not edit directly.
 // See also: https://pub.dev/packages/pigeon
 
 #import "CoreTests.gen.h"
@@ -298,7 +298,7 @@ - (FlutterStandardReader *)readerWithData:(NSData *)data {
 }
 @end
 
-NSObject<FlutterMessageCodec> *HostIntegrationCoreApiGetCodec() {
+NSObject<FlutterMessageCodec> *HostIntegrationCoreApiGetCodec(void) {
   static FlutterStandardMessageCodec *sSharedObject = nil;
   static dispatch_once_t sPred = 0;
   dispatch_once(&sPred, ^{
@@ -1838,7 +1838,7 @@ - (FlutterStandardReader *)readerWithData:(NSData *)data {
 }
 @end
 
-NSObject<FlutterMessageCodec> *FlutterIntegrationCoreApiGetCodec() {
+NSObject<FlutterMessageCodec> *FlutterIntegrationCoreApiGetCodec(void) {
   static FlutterStandardMessageCodec *sSharedObject = nil;
   static dispatch_once_t sPred = 0;
   dispatch_once(&sPred, ^{
@@ -2133,7 +2133,7 @@ - (void)echoAsyncString:(NSString *)arg_aString
 }
 @end
 
-NSObject<FlutterMessageCodec> *HostTrivialApiGetCodec() {
+NSObject<FlutterMessageCodec> *HostTrivialApiGetCodec(void) {
   static FlutterStandardMessageCodec *sSharedObject = nil;
   sSharedObject = [FlutterStandardMessageCodec sharedInstance];
   return sSharedObject;
@@ -2159,7 +2159,7 @@ void HostTrivialApiSetup(id<FlutterBinaryMessenger> binaryMessenger,
     }
   }
 }
-NSObject<FlutterMessageCodec> *HostSmallApiGetCodec() {
+NSObject<FlutterMessageCodec> *HostSmallApiGetCodec(void) {
   static FlutterStandardMessageCodec *sSharedObject = nil;
   sSharedObject = [FlutterStandardMessageCodec sharedInstance];
   return sSharedObject;
@@ -2242,7 +2242,7 @@ - (FlutterStandardReader *)readerWithData:(NSData *)data {
 }
 @end
 
-NSObject<FlutterMessageCodec> *FlutterSmallApiGetCodec() {
+NSObject<FlutterMessageCodec> *FlutterSmallApiGetCodec(void) {
   static FlutterStandardMessageCodec *sSharedObject = nil;
   static dispatch_once_t sPred = 0;
   dispatch_once(&sPred, ^{

packages/pigeon/platform_tests/flutter_null_safe_unit_tests/lib/core_tests.gen.dart

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
-// Autogenerated from Pigeon (v9.2.3), do not edit directly.
+// Autogenerated from Pigeon (v9.2.4), do not edit directly.
 // See also: https://pub.dev/packages/pigeon
 // ignore_for_file: public_member_api_docs, non_constant_identifier_names, avoid_as, unused_import, unnecessary_parenthesis, prefer_null_aware_operators, omit_local_variable_types, unused_shown_name, unnecessary_import
 

packages/pigeon/platform_tests/flutter_null_safe_unit_tests/lib/flutter_unittests.gen.dart

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
-// Autogenerated from Pigeon (v9.2.3), do not edit directly.
+// Autogenerated from Pigeon (v9.2.4), do not edit directly.
 // See also: https://pub.dev/packages/pigeon
 // ignore_for_file: public_member_api_docs, non_constant_identifier_names, avoid_as, unused_import, unnecessary_parenthesis, prefer_null_aware_operators, omit_local_variable_types, unused_shown_name, unnecessary_import
 

packages/pigeon/platform_tests/flutter_null_safe_unit_tests/lib/multiple_arity.gen.dart

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
-// Autogenerated from Pigeon (v9.2.3), do not edit directly.
+// Autogenerated from Pigeon (v9.2.4), do not edit directly.
 // See also: https://pub.dev/packages/pigeon
 // ignore_for_file: public_member_api_docs, non_constant_identifier_names, avoid_as, unused_import, unnecessary_parenthesis, prefer_null_aware_operators, omit_local_variable_types, unused_shown_name, unnecessary_import
 

packages/pigeon/platform_tests/flutter_null_safe_unit_tests/lib/non_null_fields.gen.dart

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
-// Autogenerated from Pigeon (v9.2.3), do not edit directly.
+// Autogenerated from Pigeon (v9.2.4), do not edit directly.
 // See also: https://pub.dev/packages/pigeon
 // ignore_for_file: public_member_api_docs, non_constant_identifier_names, avoid_as, unused_import, unnecessary_parenthesis, prefer_null_aware_operators, omit_local_variable_types, unused_shown_name, unnecessary_import
 

packages/pigeon/platform_tests/flutter_null_safe_unit_tests/lib/null_fields.gen.dart

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
-// Autogenerated from Pigeon (v9.2.3), do not edit directly.
+// Autogenerated from Pigeon (v9.2.4), do not edit directly.
 // See also: https://pub.dev/packages/pigeon
 // ignore_for_file: public_member_api_docs, non_constant_identifier_names, avoid_as, unused_import, unnecessary_parenthesis, prefer_null_aware_operators, omit_local_variable_types, unused_shown_name, unnecessary_import
 

packages/pigeon/platform_tests/flutter_null_safe_unit_tests/lib/nullable_returns.gen.dart

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
-// Autogenerated from Pigeon (v9.2.3), do not edit directly.
+// Autogenerated from Pigeon (v9.2.4), do not edit directly.
 // See also: https://pub.dev/packages/pigeon
 // ignore_for_file: public_member_api_docs, non_constant_identifier_names, avoid_as, unused_import, unnecessary_parenthesis, prefer_null_aware_operators, omit_local_variable_types, unused_shown_name, unnecessary_import
 

packages/pigeon/platform_tests/flutter_null_safe_unit_tests/lib/primitive.gen.dart

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
-// Autogenerated from Pigeon (v9.2.3), do not edit directly.
+// Autogenerated from Pigeon (v9.2.4), do not edit directly.
 // See also: https://pub.dev/packages/pigeon
 // ignore_for_file: public_member_api_docs, non_constant_identifier_names, avoid_as, unused_import, unnecessary_parenthesis, prefer_null_aware_operators, omit_local_variable_types, unused_shown_name, unnecessary_import
 

packages/pigeon/platform_tests/shared_test_plugin_code/lib/src/generated/core_tests.gen.dart

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
-// Autogenerated from Pigeon (v9.2.3), do not edit directly.
+// Autogenerated from Pigeon (v9.2.4), do not edit directly.
 // See also: https://pub.dev/packages/pigeon
 // ignore_for_file: public_member_api_docs, non_constant_identifier_names, avoid_as, unused_import, unnecessary_parenthesis, prefer_null_aware_operators, omit_local_variable_types, unused_shown_name, unnecessary_import
 

packages/pigeon/platform_tests/test_plugin/android/src/main/kotlin/com/example/test_plugin/CoreTests.gen.kt

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 // 
-// Autogenerated from Pigeon (v9.2.3), do not edit directly.
+// Autogenerated from Pigeon (v9.2.4), do not edit directly.
 // See also: https://pub.dev/packages/pigeon
 
 package com.example.test_plugin

packages/pigeon/platform_tests/test_plugin/ios/Classes/CoreTests.gen.swift

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 // 
-// Autogenerated from Pigeon (v9.2.3), do not edit directly.
+// Autogenerated from Pigeon (v9.2.4), do not edit directly.
 // See also: https://pub.dev/packages/pigeon
 
 import Foundation

packages/pigeon/platform_tests/test_plugin/macos/Classes/CoreTests.gen.swift

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 // 
-// Autogenerated from Pigeon (v9.2.3), do not edit directly.
+// Autogenerated from Pigeon (v9.2.4), do not edit directly.
 // See also: https://pub.dev/packages/pigeon
 
 import Foundation

packages/pigeon/platform_tests/test_plugin/windows/pigeon/core_tests.gen.cpp

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
-// Autogenerated from Pigeon (v9.2.3), do not edit directly.
+// Autogenerated from Pigeon (v9.2.4), do not edit directly.
 // See also: https://pub.dev/packages/pigeon
 
 #undef _HAS_EXCEPTIONS

packages/pigeon/platform_tests/test_plugin/windows/pigeon/core_tests.gen.h

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
-// Autogenerated from Pigeon (v9.2.3), do not edit directly.
+// Autogenerated from Pigeon (v9.2.4), do not edit directly.
 // See also: https://pub.dev/packages/pigeon
 
 #ifndef PIGEON_CORE_TESTS_GEN_H_

packages/pigeon/pubspec.yaml

@@ -2,7 +2,7 @@ name: pigeon
 description: Code generator tool to make communication between Flutter and the host platform type-safe and easier.
 repository: https://github.com/flutter/packages/tree/main/packages/pigeon
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3Apigeon
-version: 9.2.3 # This must match the version in lib/generator_tools.dart
+version: 9.2.4 # This must match the version in lib/generator_tools.dart
 
 environment:
   sdk: ">=2.18.0 <4.0.0"

packages/pigeon/test/objc_generator_test.dart

@@ -300,6 +300,7 @@ void main() {
     expect(code, contains('/// @return `nil` only when `error != nil`.'));
     expect(code, matches('nullable Output.*doSomething.*Input.*FlutterError'));
     expect(code, matches('ApiSetup.*<Api>.*_Nullable'));
+    expect(code, contains('ApiGetCodec(void)'));
   });
 
   test('gen one api source', () {
@@ -347,6 +348,7 @@ void main() {
         code,
         contains(
             'NSCAssert([api respondsToSelector:@selector(doSomething:error:)'));
+    expect(code, contains('ApiGetCodec(void) {'));
   });
 
   test('all the simple datatypes header', () {
@@ -654,6 +656,7 @@ void main() {
         contains(
             'initWithBinaryMessenger:(id<FlutterBinaryMessenger>)binaryMessenger;'));
     expect(code, matches('void.*doSomething.*Input.*Output'));
+    expect(code, contains('ApiGetCodec(void)'));
   });
 
   test('gen flutter api source', () {
@@ -695,6 +698,7 @@ void main() {
     final String code = sink.toString();
     expect(code, contains('@implementation Api'));
     expect(code, matches('void.*doSomething.*Input.*Output.*{'));
+    expect(code, contains('ApiGetCodec(void) {'));
   });
 
   test('gen host void header', () {