Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame^] | 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); |