Sam Rawlins
fbf331e0dd
Change-Id: I42b4a44fd6a2197e499e8623274b3cd1a4b5556f Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/394003 Commit-Queue: Samuel Rawlins <srawlins@google.com> Reviewed-by: Konstantin Shcheglov <scheglov@google.com> Reviewed-by: Bob Nystrom <rnystrom@google.com> Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
90 lines
2.5 KiB
Dart
90 lines
2.5 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:io';
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import 'package:args/args.dart';
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import 'completion_runner.dart';
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/// The main entry point for the code completion stress test.
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void main(List<String> args) async {
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var parser = createArgParser();
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var result = parser.parse(args);
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if (validArguments(parser, result)) {
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var analysisRoot = result.rest[0];
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var runner = CompletionRunner(
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output: stdout,
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printMissing: result['missing'] as bool?,
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printQuality: result['quality'] as bool?,
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timing: result['timing'] as bool?,
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verbose: result['verbose'] as bool?,
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);
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await runner.runAll(analysisRoot);
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await stdout.flush();
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}
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}
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/// Create a parser that can be used to parse the command-line arguments.
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ArgParser createArgParser() {
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var parser = ArgParser();
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parser.addFlag(
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'help',
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abbr: 'h',
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help: 'Print this help message',
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negatable: false,
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);
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parser.addFlag(
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'missing',
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help: 'Report locations where the current identifier was not suggested',
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negatable: false,
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);
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parser.addFlag(
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'quality',
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help: 'Report on the quality of the sort order',
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negatable: false,
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);
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parser.addFlag('timing', help: 'Report timing information', negatable: false);
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parser.addFlag(
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'verbose',
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abbr: 'v',
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help: 'Produce verbose output',
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negatable: false,
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);
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return parser;
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}
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/// Print usage information for this tool.
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void printUsage(ArgParser parser, {String? error}) {
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if (error != null) {
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print(error);
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print('');
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}
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print('usage: dart completion path');
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print('');
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print('Test the completion engine by requesting completion at the offset of');
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print('each identifier in the files contained in the given path. The path');
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print('can be either a single Dart file or a directory.');
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print('');
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print(parser.usage);
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}
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/// Return `true` if the command-line arguments (represented by the [result] and
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/// parsed by the [parser]) are valid.
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bool validArguments(ArgParser parser, ArgResults result) {
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if (result.wasParsed('help')) {
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printUsage(parser);
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return false;
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} else if (result.rest.isEmpty) {
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printUsage(parser, error: 'Missing path to files');
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return false;
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} else if (result.rest.length > 1) {
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printUsage(parser, error: 'Only one file can be analyzed');
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return false;
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}
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return true;
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}
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