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1 // Copyright 2008 the V8 project authors. All rights reserved. | 1 // Copyright 2008 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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27 | 27 |
28 // Flags: --expose-debug-as debug | 28 // Flags: --expose-debug-as debug |
29 // Get the Debug object exposed from the debug context global object. | 29 // Get the Debug object exposed from the debug context global object. |
30 Debug = debug.Debug | 30 Debug = debug.Debug |
31 | 31 |
32 // Make sure that the backtrace command can be processed when the receiver is | 32 // Make sure that the backtrace command can be processed when the receiver is |
33 // undefined. | 33 // undefined. |
34 listenerCalled = false; | 34 listenerCalled = false; |
35 exception = false; | 35 exception = false; |
36 | 36 |
37 function ParsedResponse(json) { | |
38 this.response_ = eval('(' + json + ')'); | |
39 this.refs_ = []; | |
40 if (this.response_.refs) { | |
41 for (var i = 0; i < this.response_.refs.length; i++) { | |
42 this.refs_[this.response_.refs[i].handle] = this.response_.refs[i]; | |
43 } | |
44 } | |
45 } | |
46 | |
47 | |
48 ParsedResponse.prototype.response = function() { | |
49 return this.response_; | |
50 } | |
51 | |
52 | |
53 ParsedResponse.prototype.body = function() { | |
54 return this.response_.body; | |
55 } | |
56 | |
57 | |
58 ParsedResponse.prototype.lookup = function(handle) { | |
59 return this.refs_[handle]; | |
60 } | |
61 | |
62 | |
63 function listener(event, exec_state, event_data, data) { | 37 function listener(event, exec_state, event_data, data) { |
64 try { | 38 try { |
65 if (event == Debug.DebugEvent.Exception) | 39 if (event == Debug.DebugEvent.Exception) { |
66 { | 40 // The expected backtrace is |
67 // The expected backtrace is | 41 // 1: g |
68 // 1: g | 42 // 0: [anonymous] |
69 // 0: [anonymous] | |
70 | 43 |
71 // Get the debug command processor. | 44 assertEquals(2, exec_state.frameCount()); |
72 var dcp = exec_state.debugCommandProcessor(false); | 45 assertEquals("g", exec_state.frame(0).func().name()); |
| 46 assertEquals("", exec_state.frame(1).func().name()); |
73 | 47 |
74 // Get the backtrace. | 48 listenerCalled = true; |
75 var json; | 49 } |
76 json = '{"seq":0,"type":"request","command":"backtrace"}' | |
77 var response = new ParsedResponse(dcp.processDebugJSONRequest(json)); | |
78 var backtrace = response.body(); | |
79 assertEquals(2, backtrace.totalFrames); | |
80 assertEquals(2, backtrace.frames.length); | |
81 | |
82 assertEquals("g", response.lookup(backtrace.frames[0].func.ref).name); | |
83 assertEquals("", response.lookup(backtrace.frames[1].func.ref).name); | |
84 | |
85 listenerCalled = true; | |
86 } | |
87 } catch (e) { | 50 } catch (e) { |
| 51 print(e); |
88 exception = e | 52 exception = e |
89 }; | 53 }; |
90 }; | 54 }; |
91 | 55 |
92 // Add the debug event listener. | 56 // Add the debug event listener. |
93 Debug.setListener(listener); | 57 Debug.setListener(listener); |
94 | 58 |
95 // Call method on undefined. | 59 // Call method on undefined. |
96 function g() { | 60 function g() { |
97 (void 0).f(); | 61 (void 0).f(); |
98 }; | 62 }; |
99 | 63 |
100 // Break on the exception to do a backtrace with undefined as receiver. | 64 // Break on the exception to do a backtrace with undefined as receiver. |
101 Debug.setBreakOnException(true); | 65 Debug.setBreakOnException(true); |
102 try { | 66 try { |
103 g(); | 67 g(); |
104 } catch(e) { | 68 } catch(e) { |
105 // Ignore the exception "Cannot call method 'x' of undefined" | 69 // Ignore the exception "Cannot call method 'x' of undefined" |
106 } | 70 } |
107 | 71 |
108 assertFalse(exception, "exception in listener", exception) | 72 assertFalse(exception, "exception in listener", exception) |
109 // Make sure that the debug event listener vas invoked. | 73 // Make sure that the debug event listener vas invoked. |
110 assertTrue(listenerCalled, "listener not called"); | 74 assertTrue(listenerCalled, "listener not called"); |
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