Parker Lougheed
2a98f98098
Change-Id: Ief30fb79b2afcbb3f50d9127eb622fac362b07b1 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/340141 Commit-Queue: Devon Carew <devoncarew@google.com> Auto-Submit: Parker Lougheed <parlough@gmail.com> Reviewed-by: Devon Carew <devoncarew@google.com> Reviewed-by: Bob Nystrom <rnystrom@google.com>
51 lines
1.5 KiB
Dart
51 lines
1.5 KiB
Dart
// Copyright (c) 2020, 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 'package:analyzer/dart/ast/ast.dart';
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import 'package:scrape/scrape.dart';
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void main(List<String> arguments) {
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Scrape()
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..addHistogram('Declarations')
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..addHistogram('Uses')
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..addHistogram('Superclass names')
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..addHistogram('Superinterface names')
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..addHistogram('Mixin names')
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..addVisitor(ClassReuseVisitor.new)
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..runCommandLine(arguments);
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}
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class ClassReuseVisitor extends ScrapeVisitor {
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@override
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void visitClassDeclaration(ClassDeclaration node) {
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if (node.abstractKeyword != null) {
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record('Declarations', 'abstract class');
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} else {
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record('Declarations', 'class');
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}
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var extendsClause = node.extendsClause;
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if (extendsClause != null) {
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record('Uses', 'extend');
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record('Superclass names', extendsClause.superclass.toString());
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}
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var withClause = node.withClause;
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if (withClause != null) {
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for (var mixin in withClause.mixinTypes) {
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record('Uses', 'mixin');
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record('Mixin names', mixin.toString());
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}
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}
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var implementsClause = node.implementsClause;
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if (implementsClause != null) {
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for (var type in implementsClause.interfaces) {
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record('Uses', 'implement');
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record('Superinterface names', type.toString());
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}
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}
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}
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}
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