[vm/ffi] Mark Struct as entrypoint

Required so that we can access its slots in the compiler.

Issue: #36730
Change-Id: Ib14aa73f5cb6b713c682693f95841773b1b4e5d9
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/141121
Reviewed-by: Aske Simon Christensen <[email protected]>
Commit-Queue: Daco Harkes <[email protected]>

Author: dcharkes

sdk/lib/_internal/vm/lib/ffi_struct_patch.dart

@@ -0,0 +1,14 @@
+// Copyright (c) 2020, 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.
+
+// @dart = 2.6
+
+// All imports must be in all FFI patch files to not depend on the order
+// the patches are applied.
+import "dart:_internal" show patch;
+import 'dart:typed_data';
+import 'dart:isolate';
+
+@pragma("vm:entry-point")
+abstract class Struct extends NativeType {}

sdk/lib/libraries.json

@@ -87,7 +87,8 @@
         "patches": [
           "_internal/vm/lib/ffi_patch.dart",
           "_internal/vm/lib/ffi_dynamic_library_patch.dart",
-          "_internal/vm/lib/ffi_native_type_patch.dart"
+          "_internal/vm/lib/ffi_native_type_patch.dart",
+          "_internal/vm/lib/ffi_struct_patch.dart"
         ]
       },
       "wasm": {

sdk/lib/libraries.yaml

@@ -93,6 +93,7 @@ vm:
         - "_internal/vm/lib/ffi_patch.dart"
         - "_internal/vm/lib/ffi_dynamic_library_patch.dart"
         - "_internal/vm/lib/ffi_native_type_patch.dart"
+        - "_internal/vm/lib/ffi_struct_patch.dart"
 
     wasm:
       uri: "wasm/wasm.dart"

sdk_nnbd/lib/_internal/vm/lib/ffi_struct_patch.dart

@@ -0,0 +1,12 @@
+// Copyright (c) 2020, 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.
+
+// All imports must be in all FFI patch files to not depend on the order
+// the patches are applied.
+import "dart:_internal" show patch;
+import 'dart:typed_data';
+import 'dart:isolate';
+
+@pragma("vm:entry-point")
+abstract class Struct extends NativeType {}

sdk_nnbd/lib/libraries.json

@@ -87,7 +87,8 @@
         "patches": [
           "_internal/vm/lib/ffi_patch.dart",
           "_internal/vm/lib/ffi_dynamic_library_patch.dart",
-          "_internal/vm/lib/ffi_native_type_patch.dart"
+          "_internal/vm/lib/ffi_native_type_patch.dart",
+          "_internal/vm/lib/ffi_struct_patch.dart"
         ]
       },
       "wasm": {

sdk_nnbd/lib/libraries.yaml

@@ -93,6 +93,7 @@ vm:
         - "_internal/vm/lib/ffi_patch.dart"
         - "_internal/vm/lib/ffi_dynamic_library_patch.dart"
         - "_internal/vm/lib/ffi_native_type_patch.dart"
+        - "_internal/vm/lib/ffi_struct_patch.dart"
 
     wasm:
       uri: "wasm/wasm.dart"