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1 // Copyright 2011 the V8 project authors. All rights reserved. | |
2 // Redistribution and use in source and binary forms, with or without | |
3 // modification, are permitted provided that the following conditions are | |
4 // met: | |
5 // | |
6 // * Redistributions of source code must retain the above copyright | |
7 // notice, this list of conditions and the following disclaimer. | |
8 // * Redistributions in binary form must reproduce the above | |
9 // copyright notice, this list of conditions and the following | |
10 // disclaimer in the documentation and/or other materials provided | |
11 // with the distribution. | |
12 // * Neither the name of Google Inc. nor the names of its | |
13 // contributors may be used to endorse or promote products derived | |
14 // from this software without specific prior written permission. | |
15 // | |
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
27 | |
28 // Flags: --expose-debug-as debug | |
29 // Get the Debug object exposed from the debug context global object. | |
30 Debug = debug.Debug; | |
31 | |
32 function sendCommand(state, cmd) { | |
33 // Get the debug command processor in paused state. | |
34 var dcp = state.debugCommandProcessor(false); | |
35 var request = JSON.stringify(cmd); | |
36 var response = dcp.processDebugJSONRequest(request); | |
37 return JSON.parse(response); | |
38 } | |
39 | |
40 function listener(event, exec_state, event_data, data) { | |
41 try { | |
42 if (event == Debug.DebugEvent.Break) { | |
43 var line = event_data.sourceLineText(); | |
44 print('break: ' + line); | |
45 | |
46 var frame = sendCommand(exec_state, { | |
47 seq: 0, | |
48 type: "request", | |
49 command: "frame" | |
50 }); | |
51 | |
52 sendCommand(exec_state, { | |
53 seq: 0, | |
54 type: "request", | |
55 command: "evaluate", | |
56 arguments: { | |
57 expression: "obj.x.toString()", | |
58 additional_context: [{ | |
59 name: "obj", | |
60 handle: frame.body.receiver.ref | |
61 }] | |
62 } | |
63 }); | |
64 } | |
65 } catch (e) { | |
66 print(e); | |
67 } | |
68 } | |
69 | |
70 Debug.setListener(listener); | |
71 | |
72 function a(x, y) { | |
73 this.x = x; | |
74 this.y = y; | |
75 } | |
76 | |
77 Debug.setBreakPoint(a, 0, 0); | |
78 new a(1, 2); | |
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