Robert Nystrom
40d544bc26
Now that they're farther along, there's little need to keep them separate. Change-Id: I3dedcf34b97cf5f0645fe429b357a459850d65d5 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/135740 Auto-Submit: Bob Nystrom <rnystrom@google.com> Commit-Queue: Nicholas Shahan <nshahan@google.com> Reviewed-by: Nicholas Shahan <nshahan@google.com>
100 lines
3.3 KiB
Dart
100 lines
3.3 KiB
Dart
// Copyright (c) 2019, 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:path/path.dart' as p;
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import 'package:migration/src/io.dart';
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import 'package:migration/src/test_directories.dart';
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/// Rough estimate of how many lines of code someone could migrate per day.
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/// Based on rnystrom migrating corelib_2/r-z, lib_2/js, and lib_2/collection
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/// in one day (along with some other tasks).
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///
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/// This is an optimistic estimate since those were particularly easy libraries.
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/// But it's also conservative since it didn't take the entire day to migrate
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/// them.
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// TODO(rnystrom): Update this with numbers from migrating some language tests.
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const _linesPerDay = 24607;
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/// Some legacy files test behavior that doesn't apply to NNBD at all which
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/// means they don't end up in the migrated directory but are done. We put this
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/// comment in the *legacy* file to track that it has been migrated.
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const _nonMigratedMarker = "[NNBD non-migrated]";
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void main(List<String> arguments) {
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var totalFiles = 0;
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var totalLines = 0;
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var totalMigratedFiles = 0;
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var totalMigratedLines = 0;
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for (var rootDir in legacyRootDirs) {
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var subdirs = Directory(p.join(testRoot, rootDir))
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.listSync()
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.where((subdir) => subdir is Directory)
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.map((subdir) => p.relative(subdir.path, from: testRoot))
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.toList();
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subdirs.add(rootDir);
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subdirs.sort();
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for (var dir in subdirs) {
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var files = 0;
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var lines = 0;
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var migratedFiles = 0;
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var migratedLines = 0;
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for (var legacyPath in listFiles(dir)) {
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files++;
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var sourceLines = readFileLines(legacyPath);
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lines += sourceLines.length;
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var nnbdPath = toNnbdPath(legacyPath);
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if (fileExists(nnbdPath) ||
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sourceLines.any((line) => line.contains(_nonMigratedMarker))) {
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migratedFiles++;
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migratedLines += sourceLines.length;
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}
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}
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if (files == 0) continue;
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_show(dir, migratedFiles, files, migratedLines, lines);
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totalFiles += files;
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totalLines += lines;
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totalMigratedFiles += migratedFiles;
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totalMigratedLines += migratedLines;
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}
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}
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print("");
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_show(
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"total", totalMigratedFiles, totalFiles, totalMigratedLines, totalLines);
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}
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void _show(
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String label, int migratedFiles, int files, int migratedLines, int lines) {
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percent(num n, num max) =>
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(100 * migratedFiles / files).toStringAsFixed(1).padLeft(5);
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pad(Object value, int length) => value.toString().padLeft(length);
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var days = lines / _linesPerDay;
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var migratedDays = migratedLines / _linesPerDay;
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var daysLeft = days - migratedDays;
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var daysLeftString = ", ${pad(daysLeft.toStringAsFixed(2), 6)}/"
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"${pad(days.toStringAsFixed(2), 5)} days left";
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if (migratedLines == 0) {
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daysLeftString = ", ${pad(daysLeft.toStringAsFixed(2), 6)} days left";
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} else if (migratedLines == lines) {
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daysLeftString = "";
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}
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print("${label.padRight(40)} ${pad(migratedFiles, 4)}/${pad(files, 4)} "
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"files (${percent(migratedFiles, files)}%), "
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"${pad(migratedLines, 6)}/${pad(lines, 6)} "
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"lines (${percent(migratedLines, lines)}%)"
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"$daysLeftString");
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}
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