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1 // Copyright 2016 the V8 project authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 // Flags: --expose-debug-as debug --no-analyze-environment-liveness | |
6 | |
7 // Test that debug-evaluate correctly collects free outer variables | |
8 // and does not get confused by variables in nested scopes. | |
9 | |
10 Debug = debug.Debug | |
11 | |
12 var exception = null; | |
13 function listener(event, exec_state, event_data, data) { | |
14 if (event != Debug.DebugEvent.Break) return; | |
15 try { | |
16 assertThrows(() => exec_state.frame(0).evaluate("x").value()); | |
17 } catch (e) { | |
18 exception = e; | |
19 print(e + e.stack); | |
20 } | |
21 } | |
22 | |
23 Debug.setListener(listener); | |
24 | |
25 (function() { | |
26 var x = 1; // context allocate x | |
27 (() => x); | |
28 (function() { | |
29 var x = 2; // stack allocate shadowing x | |
30 (function() { | |
31 { // context allocate x in a nested scope | |
32 let x = 3; | |
33 (() => x); | |
34 } | |
35 debugger; | |
36 })(); | |
37 })(); | |
38 })(); | |
39 | |
40 Debug.setListener(null); | |
41 assertNull(exception); | |
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