4ff9bb070b
R=jkummerow@chromium.org Review URL: https://codereview.chromium.org/1502163002 Cr-Commit-Position: refs/heads/master@{#32647}
38 lines
1.1 KiB
JavaScript
38 lines
1.1 KiB
JavaScript
// Copyright 2015 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --expose-debug-as debug
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Debug = debug.Debug
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var exception = null;
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var break_count = 0;
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function listener(event, exec_state, event_data, data) {
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if (event != Debug.DebugEvent.Break) return;
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try {
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print(event_data.sourceLineText());
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assertTrue(
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event_data.sourceLineText().indexOf(`Break ${break_count++}.`) > 0);
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exec_state.prepareStep(Debug.StepAction.StepIn, 1);
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} catch (e) {
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exception = e;
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}
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};
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function replaceCallback(a) {
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return "x"; // Break 2.
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} // Break 3.
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var re = /x/g;
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// Optimize the inner helper function for string replace.
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for (var i = 0; i < 10000; i++) "x".replace(re, replaceCallback);
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Debug.setListener(listener);
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debugger; // Break 0.
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var result = "x".replace(re, replaceCallback); // Break 1.
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Debug.setListener(null); // Break 4.
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assertNull(exception);
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