OLD | NEW |
| (Empty) |
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 --allow-natives-syntax | |
6 | |
7 Debug = debug.Debug | |
8 | |
9 var exception = null; | |
10 var frame_depth = 10; | |
11 | |
12 function listener(event, exec_state, event_data, data) { | |
13 if (event != Debug.DebugEvent.Break) return; | |
14 try { | |
15 assertEquals(frame_depth, exec_state.frameCount()); | |
16 assertTrue(/\/\/ Break$/.test(exec_state.frame(0).sourceLineText())); | |
17 assertEquals(12 - frame_depth, exec_state.frame(0).evaluate("x").value()); | |
18 frame_depth--; | |
19 } catch (e) { | |
20 exception = e; | |
21 print(e + e.stack); | |
22 } | |
23 } | |
24 | |
25 function ChooseCode(f, x) { | |
26 if (x == 1) { | |
27 Debug.setBreakPoint(factorial, 4); | |
28 } | |
29 switch (x % 2) { | |
30 case 0: | |
31 %BaselineFunctionOnNextCall(f); | |
32 break; | |
33 case 1: | |
34 %InterpretFunctionOnNextCall(f); | |
35 break; | |
36 } | |
37 } | |
38 | |
39 function factorial(x) { | |
40 ChooseCode(factorial, x); | |
41 if (x == 1) return 1; | |
42 var factor = factorial(x - 1); | |
43 return x * factor; // Break | |
44 } | |
45 | |
46 Debug.setListener(listener); | |
47 | |
48 assertEquals(3628800, factorial(10)); | |
49 | |
50 Debug.setListener(null); | |
51 assertNull(exception); | |
52 assertEquals(1, frame_depth); | |
OLD | NEW |