JezK
Edit File: debug-liveedit-stack-padding.js
// Copyright 2012 the V8 project authors. All rights reserved. // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following // disclaimer in the documentation and/or other materials provided // with the distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // Flags: --expose-debug-as debug // Get the Debug object exposed from the debug context global object. Debug = debug.Debug; SlimFunction = eval( "(function() {\n " + " return 'Cat';\n" + "})\n" ); var script = Debug.findScript(SlimFunction); Debug.setScriptBreakPointById(script.id, 1, 0); var orig_animal = "'Cat'"; var patch_pos = script.source.indexOf(orig_animal); var new_animal_patch = "'Capybara'"; debugger_handler = (function() { var already_called = false; return function() { if (already_called) { return; } already_called = true; var change_log = new Array(); try { Debug.LiveEdit.TestApi.ApplySingleChunkPatch(script, patch_pos, orig_animal.length, new_animal_patch, change_log); } finally { print("Change log: " + JSON.stringify(change_log) + "\n"); } }; })(); var saved_exception = null; function listener(event, exec_state, event_data, data) { if (event == Debug.DebugEvent.Break) { try { debugger_handler(); } catch (e) { saved_exception = e; } } else { print("Other: " + event); } } Debug.setListener(listener); var animal = SlimFunction(); if (saved_exception) { print("Exception: " + saved_exception); assertUnreachable(); } assertEquals("Capybara", animal);