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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 Debug = debug.Debug; | |
| 29 | |
| 30 function sendCommand(state, cmd) { | |
| 31 // Get the debug command processor in paused state. | |
| 32 var dcp = state.debugCommandProcessor(false); | |
| 33 var request = JSON.stringify(cmd); | |
| 34 var response = dcp.processDebugJSONRequest(request); | |
| 35 return JSON.parse(response); | |
| 36 } | |
| 37 | |
| 38 function listener(event, exec_state, event_data, data) { | |
| 39 try { | |
| 40 if (event == Debug.DebugEvent.Break) { | |
| 41 var line = event_data.sourceLineText(); | |
| 42 print('break: ' + line); | |
| 43 | |
| 44 var frame = sendCommand(exec_state, { | |
| 45 seq: 0, | |
| 46 type: "request", | |
| 47 command: "frame" | |
| 48 }); | |
| 49 | |
| 50 sendCommand(exec_state, { | |
| 51 seq: 0, | |
| 52 type: "request", | |
| 53 command: "evaluate", | |
| 54 arguments: { | |
| 55 expression: "obj.x.toString()", | |
| 56 additional_context: [{ | |
| 57 name: "obj", | |
| 58 handle: frame.body.receiver.ref | |
| 59 }] | |
| 60 } | |
| 61 }); | |
| 62 } | |
| 63 } catch (e) { | |
| 64 print(e); | |
| 65 } | |
| 66 } | |
| 67 | |
| 68 Debug.setListener(listener); | |
| 69 | |
| 70 function a(x, y) { | |
| 71 this.x = x; | |
| 72 this.y = y; | |
| 73 } | |
| 74 | |
| 75 Debug.setBreakPoint(a, 0, 0); | |
| 76 new a(1, 2); | |
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