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4e2343c290
Introduces the Allocator API in `dart:ffi`. This CL does not yet roll `package:ffi` to use `Allocator`, because that breaks the checked in Dart in Fluter in g3. Instead, this coppies `_MallocAllocator` from `package:ffi` into the ffi tests for testing. This CL does not yet migrate off `allocate` and `free` in the SDK. That is done in a dependent CL. Issue: https://github.com/dart-lang/sdk/issues/44621 Issue: https://github.com/dart-lang/sdk/issues/38721 TEST=tests/ffi/allocator_test.dart TEST=tests/ffi/calloc_test.dart TEST=tests/ffi/vmspecific_static_checks_test.dart Change-Id: I173e213a750b8b3f594bb8d4fc72575f2b6b91f7 Cq-Include-Trybots: luci.dart.try:vm-precomp-ffi-qemu-linux-release-arm-try,analyzer-analysis-server-linux-try,analyzer-linux-release-try,analyzer-nnbd-linux-release-try,front-end-linux-release-x64-try,front-end-nnbd-linux-release-x64-try,benchmark-linux-try,dart-sdk-linux-try,pkg-linux-release-try,vm-ffi-android-release-arm-try,vm-ffi-android-release-arm64-try,vm-kernel-nnbd-win-debug-x64-try,vm-kernel-win-debug-x64-try Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/177705 Reviewed-by: Clement Skau <cskau@google.com>
24 lines
592 B
Dart
24 lines
592 B
Dart
// Copyright (c) 2021, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// Tests that we can implement the Allocator interface.
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import 'dart:ffi';
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class MyAllocator implements Allocator {
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const MyAllocator();
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@override
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Pointer<T> allocate<T extends NativeType>(int numBytes, {int? alignment}) {
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throw "Not implemented";
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}
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void free(Pointer pointer) {}
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}
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const myAllocator = MyAllocator();
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void main() {
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print(myAllocator);
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}
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