Bump ffigen in templates (#180513)

packages/flutter_tools/templates/package_ffi/ffigen.yaml.tmpl

@@ -11,10 +11,6 @@ headers:
   include-directives:
     - 'src/{{projectName}}.h'
 ffi-native:
-preamble: |
-  // ignore_for_file: always_specify_types
-  // ignore_for_file: camel_case_types
-  // ignore_for_file: non_constant_identifier_names
 comments:
   style: any
   length: full

packages/flutter_tools/templates/package_ffi/lib/projectName_bindings_generated.dart.tmpl

@@ -1,10 +1,7 @@
-// ignore_for_file: always_specify_types
-// ignore_for_file: camel_case_types
-// ignore_for_file: non_constant_identifier_names
-
 // AUTO GENERATED FILE, DO NOT EDIT.
 //
 // Generated by `package:ffigen`.
+// ignore_for_file: type=lint, unused_import
 import 'dart:ffi' as ffi;
 
 /// A very short-lived native function.
@@ -13,10 +10,7 @@ import 'dart:ffi' as ffi;
 /// They will block the Dart execution while running the native function, so
 /// only do this for native functions which are guaranteed to be short-lived.
 @ffi.Native<ffi.IntPtr Function(ffi.IntPtr, ffi.IntPtr)>()
-external int sum(
-  int a,
-  int b,
-);
+external int sum(int a, int b);
 
 /// A longer lived native function, which occupies the thread calling it.
 ///
@@ -24,7 +18,4 @@ external int sum(
 /// block Dart execution. This will cause dropped frames in Flutter applications.
 /// Instead, call these native functions on a separate isolate.
 @ffi.Native<ffi.IntPtr Function(ffi.IntPtr, ffi.IntPtr)>()
-external int sum_long_running(
-  int a,
-  int b,
-);
+external int sum_long_running(int a, int b);

packages/flutter_tools/templates/package_ffi/pubspec.yaml.tmpl

@@ -9,10 +9,10 @@ dependencies:
   code_assets: ^1.0.0
   hooks: ^1.0.0
   logging: ^1.3.0
-  native_toolchain_c: ^0.17.3
+  native_toolchain_c: ^0.17.4
 
 dev_dependencies:
-  ffi: ^2.1.3
-  ffigen: ^13.0.0
+  ffi: ^2.1.4
+  ffigen: ^20.1.1
   flutter_lints: ^6.0.0
-  test: ^1.25.8
+  test: ^1.28.0

packages/flutter_tools/templates/plugin_ffi/ffigen.yaml.tmpl

@@ -10,10 +10,6 @@ headers:
     - 'src/{{projectName}}.h'
   include-directives:
     - 'src/{{projectName}}.h'
-preamble: |
-  // ignore_for_file: always_specify_types
-  // ignore_for_file: camel_case_types
-  // ignore_for_file: non_constant_identifier_names
 comments:
   style: any
   length: full

packages/flutter_tools/templates/plugin_ffi/lib/projectName_bindings_generated.dart.tmpl

@@ -1,11 +1,7 @@
-// ignore_for_file: always_specify_types
-// ignore_for_file: camel_case_types
-// ignore_for_file: non_constant_identifier_names
-
 // AUTO GENERATED FILE, DO NOT EDIT.
 //
 // Generated by `package:ffigen`.
-// ignore_for_file: type=lint
+// ignore_for_file: type=lint, unused_import
 import 'dart:ffi' as ffi;
 
 /// Bindings for `src/{{projectName}}.h`.
@@ -15,31 +11,24 @@ import 'dart:ffi' as ffi;
 class {{pluginDartClass}}Bindings {
   /// Holds the symbol lookup function.
   final ffi.Pointer<T> Function<T extends ffi.NativeType>(String symbolName)
-      _lookup;
+  _lookup;
 
   /// The symbols are looked up in [dynamicLibrary].
   {{pluginDartClass}}Bindings(ffi.DynamicLibrary dynamicLibrary)
-      : _lookup = dynamicLibrary.lookup;
+    : _lookup = dynamicLibrary.lookup;
 
   /// The symbols are looked up with [lookup].
   {{pluginDartClass}}Bindings.fromLookup(
-      ffi.Pointer<T> Function<T extends ffi.NativeType>(String symbolName)
-          lookup)
-      : _lookup = lookup;
+    ffi.Pointer<T> Function<T extends ffi.NativeType>(String symbolName) lookup,
+  ) : _lookup = lookup;
 
   /// A very short-lived native function.
   ///
   /// For very short-lived functions, it is fine to call them on the main isolate.
   /// They will block the Dart execution while running the native function, so
   /// only do this for native functions which are guaranteed to be short-lived.
-  int sum(
-    int a,
-    int b,
-  ) {
-    return _sum(
-      a,
-      b,
-    );
+  int sum(int a, int b) {
+    return _sum(a, b);
   }
 
   late final _sumPtr =
@@ -51,19 +40,14 @@ class {{pluginDartClass}}Bindings {
   /// Do not call these kind of native functions in the main isolate. They will
   /// block Dart execution. This will cause dropped frames in Flutter applications.
   /// Instead, call these native functions on a separate isolate.
-  int sum_long_running(
-    int a,
-    int b,
-  ) {
-    return _sum_long_running(
-      a,
-      b,
-    );
+  int sum_long_running(int a, int b) {
+    return _sum_long_running(a, b);
   }
 
   late final _sum_long_runningPtr =
       _lookup<ffi.NativeFunction<ffi.Int Function(ffi.Int, ffi.Int)>>(
-          'sum_long_running');
-  late final _sum_long_running =
-      _sum_long_runningPtr.asFunction<int Function(int, int)>();
+        'sum_long_running',
+      );
+  late final _sum_long_running = _sum_long_runningPtr
+      .asFunction<int Function(int, int)>();
 }

packages/flutter_tools/templates/plugin_shared/pubspec.yaml.tmpl

@@ -20,7 +20,7 @@ dependencies:
 dev_dependencies:
 {{#withFfi}}
   ffi: ^2.1.3
-  ffigen: ^13.0.0
+  ffigen: ^20.1.1
 {{/withFfi}}
   flutter_test:
     sdk: flutter