blob: 49c7663948ba3da1abbd035099c4a77ca874584f [file] [log] [blame]
// Copyright (c) 2018, 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.
import 'dart:convert' show utf8;
import "package:front_end/src/api_prototype/file_system.dart" show FileSystem;
import 'package:front_end/src/fasta/kernel/utils.dart' show serializeComponent;
import 'package:kernel/kernel.dart'
show
Class,
Component,
EmptyStatement,
FileUriNode,
Library,
Node,
Procedure,
RecursiveVisitor,
Reference;
List<int> postProcess(Component c) {
c.libraries.sort((l1, l2) {
return "${l1.fileUri}".compareTo("${l2.fileUri}");
});
c.problemsAsJson?.sort();
c.computeCanonicalNames();
for (Library library in c.libraries) {
library.additionalExports.sort((Reference r1, Reference r2) {
return "${r1.canonicalName}".compareTo("${r2.canonicalName}");
});
library.problemsAsJson?.sort();
}
return serializeComponent(c);
}
void throwOnEmptyMixinBodies(Component component) {
int empty = countEmptyMixinBodies(component);
if (empty != 0) {
throw "Expected 0 empty bodies in mixins, but found $empty";
}
}
int countEmptyMixinBodies(Component component) {
int empty = 0;
for (Library lib in component.libraries) {
for (Class c in lib.classes) {
if (c.isAnonymousMixin) {
for (Procedure p in c.procedures) {
if (p.function.body is EmptyStatement) {
empty++;
}
}
}
}
}
return empty;
}
Future<void> throwOnInsufficientUriToSource(Component component,
{FileSystem? fileSystem}) async {
UriFinder uriFinder = new UriFinder();
component.accept(uriFinder);
Set<Uri> uris = uriFinder.seenUris.toSet();
uris.removeAll(component.uriToSource.keys);
uris.remove(null);
if (uris.length != 0) {
throw "Expected 0 uris with no source, but found ${uris.length} ($uris)";
}
if (fileSystem != null) {
uris = uriFinder.seenUris.toSet();
for (Uri uri in uris) {
// ignore: unnecessary_null_comparison
if (uri == null) continue;
if (!uri.isScheme("org-dartlang-test")) continue;
// The file system doesn't have the sources for any modules.
// For now assume that that is always what's going on.
if (!await fileSystem.entityForUri(uri).exists()) continue;
List<int> expected = await fileSystem.entityForUri(uri).readAsBytes();
List<int> actual = component.uriToSource[uri]!.source;
bool fail = false;
if (expected.length != actual.length) {
fail = true;
}
if (!fail) {
for (int i = 0; i < expected.length; i++) {
if (expected[i] != actual[i]) {
fail = true;
break;
}
}
}
if (fail) {
String expectedString = utf8.decode(expected);
String actualString = utf8.decode(actual);
throw "Not expected source for $uri:\n\n"
"$expectedString\n\n"
"vs\n\n"
"$actualString";
}
}
}
}
class UriFinder extends RecursiveVisitor {
Set<Uri> seenUris = new Set<Uri>();
@override
void defaultNode(Node node) {
super.defaultNode(node);
if (node is FileUriNode) {
seenUris.add(node.fileUri);
}
}
}