blob: 6f5e766d2b0bf22f5ad5da57a7a8a908b9e01001 [file] [log] [blame]
// Copyright (c) 2020, 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 'package:analyzer/dart/ast/ast.dart';
import 'package:scrape/scrape.dart';
void main(List<String> arguments) {
Scrape()
..addHistogram('Declarations')
..addHistogram('Uses')
..addHistogram('Superclass names')
..addHistogram('Superinterface names')
..addHistogram('Mixin names')
..addVisitor(() => ClassReuseVisitor())
..runCommandLine(arguments);
}
class ClassReuseVisitor extends ScrapeVisitor {
@override
void visitClassDeclaration(ClassDeclaration node) {
if (node.isAbstract) {
record('Declarations', 'abstract class');
} else {
record('Declarations', 'class');
}
var extendsClause = node.extendsClause;
if (extendsClause != null) {
record('Uses', 'extend');
record('Superclass names', extendsClause.superclass.toString());
}
var withClause = node.withClause;
if (withClause != null) {
for (var mixin in withClause.mixinTypes) {
record('Uses', 'mixin');
record('Mixin names', mixin.toString());
}
}
var implementsClause = node.implementsClause;
if (implementsClause != null) {
for (var type in implementsClause.interfaces) {
record('Uses', 'implement');
record('Superinterface names', type.toString());
}
}
}
}