mirror of
https://github.com/nodejs/node.git
synced 2025-05-15 11:36:57 +00:00
069e02ab47
Pick up the current branch head for V8 4.9 https://github.com/v8/v8/commit/1ecba0f PR-URL: https://github.com/nodejs/node/pull/4722 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Michaël Zasso <mic.besace@gmail.com>
38 lines
1.1 KiB
JavaScript
38 lines
1.1 KiB
JavaScript
// Copyright 2015 the V8 project authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
// Flags: --expose-debug-as debug
|
|
|
|
Debug = debug.Debug
|
|
|
|
var exception = null;
|
|
var break_count = 0;
|
|
|
|
function listener(event, exec_state, event_data, data) {
|
|
if (event != Debug.DebugEvent.Break) return;
|
|
try {
|
|
print(event_data.sourceLineText());
|
|
assertTrue(
|
|
event_data.sourceLineText().indexOf(`Break ${break_count++}.`) > 0);
|
|
exec_state.prepareStep(Debug.StepAction.StepIn);
|
|
} catch (e) {
|
|
exception = e;
|
|
}
|
|
};
|
|
|
|
function replaceCallback(a) {
|
|
return "x"; // Break 2.
|
|
} // Break 3.
|
|
|
|
var re = /x/g;
|
|
// Optimize the inner helper function for string replace.
|
|
for (var i = 0; i < 10000; i++) "x".replace(re, replaceCallback);
|
|
|
|
Debug.setListener(listener);
|
|
debugger; // Break 0.
|
|
var result = "x".replace(re, replaceCallback); // Break 1.
|
|
Debug.setListener(null); // Break 4.
|
|
|
|
assertNull(exception);
|