e303f5435b
Also introduce some tests that include some potential pitfalls in the wasm implementation. Change-Id: I904930db992d45414b6e214b68ca542ca29419e4 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/400901 Reviewed-by: Sigmund Cherem <sigmund@google.com> Commit-Queue: Nate Biggs <natebiggs@google.com>
52 lines
1.9 KiB
Dart
52 lines
1.9 KiB
Dart
// Copyright (c) 2024, 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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/// A library used by dynamic module tests to simulate the loading process and
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/// provide information to the test harness.
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library;
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import 'dart:typed_data' show Uint8List;
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import 'package:dynamic_modules/dynamic_modules.dart';
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import 'read_bytes.dart' if (dart.library.io) 'read_bytes_aot.dart';
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/// Load a module and invoke it's entrypoint.
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///
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/// The module is identified by the name of its entrypoint file within the
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/// `modules/` subfolder.
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///
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/// Optional [transformBytes] callback can be used to tweak dynamic modules
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/// bytes if underlying implementation loads dynamic modules from bytes.
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Future<Object?> load(String moduleName,
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{Uint8List Function(Uint8List)? transformBytes}) {
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if (const bool.fromEnvironment('dart.library.html')) {
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// DDC implementation
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return loadModuleFromUri(Uri(scheme: '', path: moduleName));
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}
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if (const bool.fromEnvironment('dart.library.io')) {
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var bytes = readBytes('modules/$moduleName.bytecode');
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if (transformBytes != null) {
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bytes = transformBytes(bytes);
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}
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return loadModuleFromBytes(bytes);
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}
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// Dart2wasm implementation
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return loadModuleFromUri(
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Uri(scheme: '', path: 'modules/${moduleName}_module1.wasm'));
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}
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/// Notify the test harness that the test has run to completion.
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void done() {
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print(successToken);
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}
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/// Token used by the tests to ensure they are run to completion. This mimics
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/// a similar 'unit-test-done` token used by the langugage test framework.
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///
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/// Unit tests should call [done]. This constant is public only to ensure the
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/// token is shared with the test runner, but it is not meant to be used
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/// directly by tests.
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const successToken = 'TOKEN!**ALL TEST EXECUTED**!!';
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