Ryan Macnak
081e2acf29
Bug: https://github.com/dart-lang/sdk/issues/40045 Change-Id: Ic0f62843d61b613e61f434b72b9553dd1e6897af Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/132441 Reviewed-by: Ben Konyi <bkonyi@google.com> Commit-Queue: Ryan Macnak <rmacnak@google.com>
72 lines
2.3 KiB
Dart
72 lines
2.3 KiB
Dart
// Copyright (c) 2014, 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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// Test that everything reachable from a [MirrorSystem] can be accessed.
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library test.mirrors.reader;
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import 'dart:mirrors';
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import 'package:expect/expect.dart';
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import 'mirrors_reader.dart';
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class RuntimeMirrorsReader extends MirrorsReader {
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final MirrorSystem mirrorSystem;
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final String mirrorSystemType;
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RuntimeMirrorsReader(MirrorSystem mirrorSystem,
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{bool verbose: false, bool includeStackTrace: false})
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: this.mirrorSystem = mirrorSystem,
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this.mirrorSystemType = '${mirrorSystem.runtimeType}',
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super(verbose: verbose, includeStackTrace: includeStackTrace);
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visitLibraryMirror(LibraryMirror mirror) {
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super.visitLibraryMirror(mirror);
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Expect.equals(mirror, mirrorSystem.libraries[mirror.uri]);
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}
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visitClassMirror(ClassMirror mirror) {
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super.visitClassMirror(mirror);
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Expect.isNotNull(mirror.owner);
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}
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bool allowUnsupported(var receiver, String tag, UnsupportedError? exception) {
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if (mirrorSystemType == '_MirrorSystem') {
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// VM mirror system.
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if (tag.endsWith('location')) {
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return receiver is ParameterMirror;
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}
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} else if (mirrorSystemType == 'JsMirrorSystem') {
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// Dart2js runtime mirror system.
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if (tag.endsWith('.metadata')) {
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return true; // Issue 10905.
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}
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}
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return false;
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}
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bool expectUnsupported(
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var receiver, String tag, UnsupportedError? exception) {
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// [DeclarationMirror.location] is intentionally not supported in runtime
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// mirrors.
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if (mirrorSystemType == '_MirrorSystem') {
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// VM mirror system.
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} else if (mirrorSystemType == 'JsMirrorSystem') {
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// Dart2js runtime mirror system.
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if (receiver is DeclarationMirror && tag == 'location') {
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return true;
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}
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}
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return false;
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}
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}
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void main([List<String> arguments = const <String>[]]) {
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MirrorSystem mirrors = currentMirrorSystem();
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MirrorsReader reader = new RuntimeMirrorsReader(mirrors,
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verbose: arguments.contains('-v'),
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includeStackTrace: arguments.contains('-s'));
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reader.checkMirrorSystem(mirrors);
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}
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