Robert Nystrom
891a8a1aa3
The README explains, it but, in short, this is a little library I harvested from the scripts I wrote during ui-as-code. It makes it easier to write scripts to gather bits of statistical data from Dart syntax. Change-Id: Ia33797f582c4d4f9f966b7f6dc7b58ca2414601e Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/166788 Commit-Queue: Bob Nystrom <rnystrom@google.com> Reviewed-by: Phil Quitslund <pquitslund@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com>
31 lines
907 B
Dart
31 lines
907 B
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('Classes', order: SortOrder.numeric)
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..addVisitor(() => GenericClassVisitor())
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..runCommandLine(arguments);
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}
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class GenericClassVisitor extends ScrapeVisitor {
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@override
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void visitCompilationUnit(CompilationUnit node) {
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super.visitCompilationUnit(node);
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}
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@override
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void visitClassDeclaration(ClassDeclaration node) {
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if (node.typeParameters == null) {
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record('Classes', 0);
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} else {
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record('Classes', node.typeParameters.typeParameters.length);
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}
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super.visitClassDeclaration(node);
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}
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}
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