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
53
54
55
56
57
58
59
60
|
// 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.
// Test that the parameter initialization block scope set up for
// sloppy eval is visible to the debugger.
var Debug = debug.Debug;
var exception = null;
var break_count = 0;
function call_for_break() {
return 5;
}
function test(x = eval("var y = 7; debugger; y") + call_for_break()) {
return x;
}
function listener(event, exec_state, event_data, data) {
if (event != Debug.DebugEvent.Break) return;
try {
var frame = exec_state.frame(0);
var block_scope;
if (break_count++ == 0) {
// Inside eval.
assertEquals([ debug.ScopeType.Eval,
debug.ScopeType.Block,
debug.ScopeType.Closure,
debug.ScopeType.Script,
debug.ScopeType.Global ],
frame.allScopes().map(s => s.scopeType()));
exec_state.prepareStep(Debug.StepAction.StepOut);
block_scope = frame.scope(1);
} else {
// Outside of eval.
assertEquals([ debug.ScopeType.Block,
debug.ScopeType.Local,
debug.ScopeType.Script,
debug.ScopeType.Global ],
frame.allScopes().map(s => s.scopeType()));
block_scope = frame.scope(0);
}
assertTrue(block_scope.scopeObject().propertyNames().includes('y'));
assertEquals(7, block_scope.scopeObject().property('y').value().value());
} catch (e) {
print(e);
exception = e;
}
}
Debug.setListener(listener);
assertEquals(12, test());
Debug.setListener(null);
assertNull(exception);
assertEquals(2, break_count);
|
