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| 1 // Copyright 2012 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 | |
| 31 Debug = debug.Debug; | |
| 32 Debug.setListener(listener); | |
| 33 | |
| 34 SlimFunction = eval( | |
| 35 "(function() {\n " + | |
| 36 " return 'Cat';\n" + | |
| 37 "})\n" | |
| 38 ); | |
| 39 | |
| 40 var script = Debug.findScript(SlimFunction); | |
| 41 | |
| 42 Debug.setScriptBreakPointById(script.id, 1, 0); | |
| 43 | |
| 44 var orig_animal = "'Cat'"; | |
| 45 var patch_pos = script.source.indexOf(orig_animal); | |
| 46 var new_animal_patch = "'Capybara'"; | |
| 47 | |
| 48 debugger_handler = (function() { | |
| 49 var already_called = false; | |
| 50 return function() { | |
| 51 if (already_called) { | |
| 52 return; | |
| 53 } | |
| 54 already_called = true; | |
| 55 | |
| 56 var change_log = new Array(); | |
| 57 try { | |
| 58 Debug.LiveEdit.TestApi.ApplySingleChunkPatch(script, patch_pos, | |
| 59 orig_animal.length, new_animal_patch, change_log); | |
| 60 } finally { | |
| 61 print("Change log: " + JSON.stringify(change_log) + "\n"); | |
| 62 } | |
| 63 }; | |
| 64 })(); | |
| 65 | |
| 66 var saved_exception = null; | |
| 67 | |
| 68 function listener(event, exec_state, event_data, data) { | |
| 69 if (event == Debug.DebugEvent.Break) { | |
| 70 try { | |
| 71 debugger_handler(); | |
| 72 } catch (e) { | |
| 73 saved_exception = e; | |
| 74 } | |
| 75 } else { | |
| 76 print("Other: " + event); | |
| 77 } | |
| 78 } | |
| 79 | |
| 80 | |
| 81 var animal = SlimFunction(); | |
| 82 | |
| 83 if (saved_exception) { | |
| 84 print("Exception: " + saved_exception); | |
| 85 assertUnreachable(); | |
| 86 } | |
| 87 | |
| 88 assertEquals("Capybara", animal); | |
| 89 | |
| 90 Debug.setListener(null); | |
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Chromium Code Reviews
Issue 2503293002:
[debug-wrapper] LiveEdit, frame.restart(), breakpoints (Closed)
