Nate Biggs
545ee13cd4
Change-Id: I193e19581d29a9c4b343ae0a681d1ff530cfce1d Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/281309 Commit-Queue: Nate Biggs <natebiggs@google.com> Reviewed-by: Mayank Patke <fishythefish@google.com>
90 lines
2.3 KiB
Dart
90 lines
2.3 KiB
Dart
// Copyright (c) 2015, 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 'package:http/http.dart' as http;
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import 'package:source_maps/source_maps.dart';
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ArgParser parser = ArgParser()
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..addFlag('inline',
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abbr: 'i',
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negatable: true,
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help: 'Inline untranslatable parts..',
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defaultsTo: false);
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main(List<String> arguments) async {
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ArgResults options = parser.parse(arguments);
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if (options.rest.length != 1) {
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print('Usage: <script.dart> [<options>] <file or url for source map file>\n'
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'Options:\n'
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'${parser.usage}');
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exit(2);
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}
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String url = options.rest[0];
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String data;
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if (url.startsWith("http://") || url.startsWith("https://")) {
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data = (await http.get(Uri.parse(url))).body;
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} else {
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data = File(url).readAsStringSync();
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}
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final sourceMap = parse(data) as SingleMapping;
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print("Now paste the stacktrace here. Finish with at least 3 empty lines...");
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int emptyInARow = 0;
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List<String> lines = [];
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while (true) {
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String? line = stdin.readLineSync();
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if (line == null) break;
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if (line == "") {
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++emptyInARow;
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} else {
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lines.add(line);
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emptyInARow = 0;
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}
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if (emptyInARow >= 3) break;
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}
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List<String> tailMessages = [];
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for (String line in lines) {
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Iterable<Match> ms = RegExp(r"(\d+):(\d+)").allMatches(line);
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if (ms.isEmpty) {
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if (options['inline']) {
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print("----- (unparseable) -----");
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} else {
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tailMessages.add("Unparseable line: $line");
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}
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continue;
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}
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Match m = ms.first;
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int l = int.parse(m.group(1)!);
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int c = int.parse(m.group(2)!);
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SourceMapSpan? span = sourceMap.spanFor(l, c);
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if (span == null) {
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if (options['inline']) {
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print("----- (unparseable) -----");
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} else {
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tailMessages.add("No sourcemap entry for line line: $line");
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}
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continue;
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}
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print(span.start.toolString);
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}
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if (tailMessages.isNotEmpty) {
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print("");
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print("Messages:");
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print("");
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for (String line in tailMessages) {
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print(line);
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}
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}
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}
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