v8/test/mjsunit/regress/regress-4309-3.js
yangguo 01902e4eab Debugger: use FrameInspector in ScopeIterator to find context.
In optimized code, it's not guaranteed that the current context
is stored in its frame slot.

R=bmeurer@chromium.org
BUG=v8:4309
LOG=N

Committed: https://crrev.com/3a0ee39cbde6a9778cfc4e2a6a0a8ff68933ff38
Cr-Commit-Position: refs/heads/master@{#29697}

Review URL: https://codereview.chromium.org/1239033002

Cr-Commit-Position: refs/heads/master@{#29744}
2015-07-20 08:53:39 +00:00

40 lines
922 B
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 --allow-natives-syntax
var Debug = debug.Debug;
var exception = null;
function listener(event, exec_state, event_data, data) {
if (event != Debug.DebugEvent.Break) return;
try {
var scopes = exec_state.frame().allScopes();
assertEquals(4, scopes.length);
assertEquals(debug.ScopeType.With, scopes[0].scopeType());
assertEquals(debug.ScopeType.Local, scopes[1].scopeType());
assertEquals(debug.ScopeType.Script, scopes[2].scopeType());
assertEquals(debug.ScopeType.Global, scopes[3].scopeType());
} catch (e) {
exception = e;
}
}
function f() {
with({}) {
debugger;
}
}
f();
f();
%OptimizeFunctionOnNextCall(f);
Debug.setListener(listener);
f();
assertNull(exception);