Sam Rawlins
65a5876e0d
These will soon be reported by the analyzer for https://github.com/dart-lang/sdk/issues/57101. Change-Id: I7fe2a9dca107c8c69b5dff0f527fa501c41a2c74 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/489503 Reviewed-by: Johnni Winther <johnniwinther@google.com> Commit-Queue: Samuel Rawlins <srawlins@google.com>
124 lines
3.5 KiB
Dart
124 lines
3.5 KiB
Dart
// Copyright (c) 2018, 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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import 'dart:convert' show utf8;
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import 'dart:typed_data';
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import "package:front_end/src/api_prototype/file_system.dart" show FileSystem;
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import 'package:front_end/src/kernel/utils.dart' show serializeComponent;
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import 'package:kernel/kernel.dart'
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show
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Class,
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Component,
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EmptyStatement,
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FileUriNode,
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Library,
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Node,
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Procedure,
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RecursiveVisitor;
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Uint8List postProcess(Component c, {bool clearMetadata = true}) {
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postProcessComponent(c, clearMetadata: clearMetadata);
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return serializeComponent(c);
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}
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void postProcessComponent(Component c, {bool clearMetadata = true}) {
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if (clearMetadata) {
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// For now metadata isn't great for recompiles because it will only contain
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// what was just compiled. To avoid failures caused by this we for now just
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// clear the metadata.
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c.metadata.clear();
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}
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c.libraries.sort((l1, l2) {
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return "${l1.fileUri}".compareTo("${l2.fileUri}");
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});
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c.problemsAsJson?.sort();
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c.computeCanonicalNames();
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for (Library library in c.libraries) {
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library.additionalExports.sort();
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library.problemsAsJson?.sort();
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}
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}
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void throwOnEmptyMixinBodies(Component component) {
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int empty = countEmptyMixinBodies(component);
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if (empty != 0) {
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throw "Expected 0 empty bodies in mixins, but found $empty";
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}
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}
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int countEmptyMixinBodies(Component component) {
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int empty = 0;
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for (Library lib in component.libraries) {
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for (Class c in lib.classes) {
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if (c.isAnonymousMixin) {
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for (Procedure p in c.procedures) {
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if (p.function.body is EmptyStatement) {
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empty++;
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}
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}
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}
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}
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}
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return empty;
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}
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Future<void> throwOnInsufficientUriToSource(
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Component component, {
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FileSystem? fileSystem,
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}) async {
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UriFinder uriFinder = new UriFinder();
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component.accept(uriFinder);
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Set<Uri> uris = uriFinder.seenUris.toSet();
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uris.removeAll(component.uriToSource.keys);
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if (uris.length != 0) {
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throw "Expected 0 uris with no source, but found ${uris.length} ($uris)";
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}
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if (fileSystem != null) {
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uris = uriFinder.seenUris.toSet();
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for (Uri uri in uris) {
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if (!uri.isScheme("org-dartlang-test")) continue;
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// The file system doesn't have the sources for any modules.
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// For now assume that that is always what's going on.
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if (!await fileSystem.entityForUri(uri).exists()) continue;
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List<int> expected = await fileSystem.entityForUri(uri).readAsBytes();
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List<int> actual = component.uriToSource[uri]!.source;
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bool fail = false;
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if (expected.length != actual.length) {
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fail = true;
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}
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if (!fail) {
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for (int i = 0; i < expected.length; i++) {
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if (expected[i] != actual[i]) {
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fail = true;
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break;
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}
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}
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}
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if (fail) {
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String expectedString = utf8.decode(expected);
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String actualString = utf8.decode(actual);
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throw "Not expected source for $uri:\n\n"
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"$expectedString\n\n"
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"vs\n\n"
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"$actualString";
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}
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}
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}
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}
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class UriFinder extends RecursiveVisitor {
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Set<Uri> seenUris = new Set<Uri>();
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@override
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void defaultNode(Node node) {
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super.defaultNode(node);
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if (node is FileUriNode) {
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seenUris.add(node.fileUri);
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}
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}
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}
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