mirror of
https://github.com/dart-lang/sdk
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8ea636f9f8
This reduces flute complex compiled with `-O4` by 3.2% (or 41kb) Change-Id: I46e1e933b5b283a7e502571971802885c1c79372 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/349261 Reviewed-by: Slava Egorov <vegorov@google.com> Commit-Queue: Martin Kustermann <kustermann@google.com>
86 lines
2.3 KiB
Dart
86 lines
2.3 KiB
Dart
// (c) 2013, 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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// Avoid dart2js optimizations that alter the JavaScript stack trace. (1)
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// dart2js inlines methods in the generated JavaScript which leads to missing
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// frames in the stack trace. (2) Minification obfucsates names. Both issues can
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// be addressed offline by post-processing the stack trace using the source map
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// file.
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//
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// dart2jsOptions=--disable-inlining --no-minify
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import "package:expect/expect.dart";
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import 'non_web_helper.dart' if (dart.library.js_interop) 'web_helper.dart';
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@pragma("vm:entry-point") // Prevent obfuscation
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void func1() {
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throw new Exception("Test full stacktrace");
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}
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@pragma("vm:entry-point") // Prevent obfuscation
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void func2() {
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func1();
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}
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@pragma("vm:entry-point") // Prevent obfuscation
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void func3() {
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try {
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func2();
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} on Object catch (e, s) {
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var fullTrace = s.toString();
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Expect.isTrue(fullTrace.contains("func1"));
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Expect.isTrue(fullTrace.contains("func2"));
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Expect.isTrue(fullTrace.contains("func3"));
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Expect.isTrue(fullTrace.contains("func4"));
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Expect.isTrue(fullTrace.contains("func5"));
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Expect.isTrue(fullTrace.contains("func6"));
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Expect.isTrue(fullTrace.contains("func7"));
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Expect.isTrue(fullTrace.contains("main"));
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throw new Exception("This is not a rethrow");
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}
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}
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@pragma("vm:entry-point") // Prevent obfuscation
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int func4() {
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func3();
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return 1;
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}
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@pragma("vm:entry-point") // Prevent obfuscation
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int func5() {
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try {
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func4();
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} on Object catch (e, s) {
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var fullTrace = s.toString();
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Expect.isFalse(fullTrace.contains("func1"));
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Expect.isFalse(fullTrace.contains("func2"));
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Expect.isTrue(fullTrace.contains("func3"));
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Expect.isTrue(fullTrace.contains("func4"));
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Expect.isTrue(fullTrace.contains("func5"));
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Expect.isTrue(fullTrace.contains("func6"));
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Expect.isTrue(fullTrace.contains("func7"));
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Expect.isTrue(fullTrace.contains("main"));
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}
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return 1;
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}
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@pragma("vm:entry-point") // Prevent obfuscation
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int func6() {
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func5();
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return 1;
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}
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@pragma("vm:entry-point") // Prevent obfuscation
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int func7() {
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func6();
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return 1;
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}
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main() {
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configureStackFrameLimit();
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var i = func7();
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Expect.equals(1, i);
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}
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