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b101a7d002
Change-Id: Ib33169c3e0ffc870915c189404074a1dea472546 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/196548 Reviewed-by: Bob Nystrom <rnystrom@google.com> Commit-Queue: Leaf Petersen <leafp@google.com>
39 lines
1 KiB
Dart
39 lines
1 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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// @dart = 2.9
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import "dart:convert" show LineSplitter;
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import "package:expect/expect.dart";
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void main() {
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var st0;
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var st1;
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// Primitive way to get stack trace,.
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try {
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throw 0;
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} catch (_, s) {
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st0 = s;
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}
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st1 = StackTrace.current;
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var st0s = findMain(st0);
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var st1s = findMain(st1);
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// Stack traces are not equal (contains at least a different line number,
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// and possible different frame numbers).
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// They are *similar*, so check that they agree on everything but numbers.
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var digits = new RegExp(r"\d+");
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Expect.equals(st0s.replaceAll(digits, "0"), st1s.replaceAll(digits, "0"));
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}
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String findMain(StackTrace stack) {
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var string = "$stack";
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var lines = LineSplitter.split(string).toList();
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while (lines.isNotEmpty && !lines.first.contains("main")) {
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lines.removeAt(0);
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}
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return lines.join("\n");
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}
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