v8/test/mjsunit/debug-stack-check-position.js
yangguo 5ea8412304 [debugger,interpreter] add source position to stack checks.
DevTools uses the debug interrupt to trap on function entry. Without
source position at the stack check, we would get bogus source positions.

R=mstarzinger@chromium.org
BUG=chromium:595646
LOG=N

Review-Url: https://codereview.chromium.org/1925063002
Cr-Commit-Position: refs/heads/master@{#35864}
2016-04-28 13:16:57 +00:00

31 lines
694 B
JavaScript

// Copyright 2016 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 --allow-natives-syntax
var Debug = debug.Debug;
var exception = null;
var loop = true;
function listener(event, exec_state, event_data, data) {
if (event != Debug.DebugEvent.Break) return;
try {
assertTrue(exec_state.frame(0).sourceLineText().indexOf("BREAK") > 0);
} catch (e) {
exception = e;
}
}
function f() { // BREAK
return 1;
}
Debug.setListener(listener);
%ScheduleBreak(); // Break on function entry.
f();
Debug.setListener(null);
assertNull(exception);