blob: 726c28f5e5fc738c9bf794453f0ca87866b5e72c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
// 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: --opt
Debug = debug.Debug
var exception = null;
function f() {
let a = 0;
function g() {
let a = 1;
{
let a = 2;
debugger; // Breakpoint.
if (a !== 3) {
// We cannot change stack locals in optimized frames.
assertEquals(2, a);
assertOptimized(g);
}
}
assertEquals(1, a);
}
g.call(1);
if (a !== 4) {
// We cannot change stack locals in optimized frames.
assertEquals(0, a);
assertOptimized(f);
}
}
function listener(event, exec_state, event_data, data) {
if (event != Debug.DebugEvent.Break) return;
try {
exec_state.frame(0).evaluate("a = 3");
exec_state.frame(1).evaluate("a = 4");
assertThrows(() => exec_state.frame(0).evaluate("this = 2"));
} catch (e) {
exception = e;
print("Caught something. " + e + " " + e.stack);
};
};
Debug.setListener(listener);
f();
Debug.setListener(null);
assertNull(exception);
|
