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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Flags: --expose-debug-as debug --turbo-filter=g --allow-natives-syntax | 5 // Flags: --expose-debug-as debug --turbo-filter=g --allow-natives-syntax |
6 | 6 |
7 // Test that Debug::PrepareForBreakPoints can deal with turbofan code (g) | 7 // Test that Debug::PrepareForBreakPoints can deal with turbofan code (g) |
8 // on the stack. Without deoptimization support, we will not be able to | 8 // on the stack. Without deoptimization support, we will not be able to |
9 // replace optimized code for g by unoptimized code with debug break slots. | 9 // replace optimized code for g by unoptimized code with debug break slots. |
10 // This would cause stepping to fail (V8 issue 3660). | 10 // This would cause stepping to fail (V8 issue 3660). |
(...skipping 15 matching lines...) Expand all Loading... |
26 debugger; // Break 0 | 26 debugger; // Break 0 |
27 } // Break 1 | 27 } // Break 1 |
28 | 28 |
29 Debug = debug.Debug; | 29 Debug = debug.Debug; |
30 var exception = null; | 30 var exception = null; |
31 var break_count = 0; | 31 var break_count = 0; |
32 | 32 |
33 function listener(event, exec_state, event_data, data) { | 33 function listener(event, exec_state, event_data, data) { |
34 if (event != Debug.DebugEvent.Break) return; | 34 if (event != Debug.DebugEvent.Break) return; |
35 try { | 35 try { |
36 exec_state.prepareStep(Debug.StepAction.StepNext, 1); | 36 exec_state.prepareStep(Debug.StepAction.StepNext); |
37 print(exec_state.frame(0).sourceLineText()); | 37 print(exec_state.frame(0).sourceLineText()); |
38 var match = exec_state.frame(0).sourceLineText().match(/Break (\d)/); | 38 var match = exec_state.frame(0).sourceLineText().match(/Break (\d)/); |
39 assertNotNull(match); | 39 assertNotNull(match); |
40 assertEquals(break_count++, parseInt(match[1])); | 40 assertEquals(break_count++, parseInt(match[1])); |
41 } catch (e) { | 41 } catch (e) { |
42 print(e + e.stack); | 42 print(e + e.stack); |
43 exception = e; | 43 exception = e; |
44 } | 44 } |
45 } | 45 } |
46 | 46 |
47 f(0); | 47 f(0); |
48 f(0); | 48 f(0); |
49 %OptimizeFunctionOnNextCall(g); | 49 %OptimizeFunctionOnNextCall(g); |
50 | 50 |
51 Debug.setListener(listener); | 51 Debug.setListener(listener); |
52 | 52 |
53 f(1); | 53 f(1); |
54 | 54 |
55 Debug.setListener(null); // Break 9 | 55 Debug.setListener(null); // Break 9 |
56 assertNull(exception); | 56 assertNull(exception); |
57 assertEquals(10, break_count); | 57 assertEquals(10, break_count); |
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