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Edit File: debug-evaluate-arguments.js
// Copyright 2008 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 listenerComplete = false; exception = false; function checkArguments(frame, names, values) { var argc = Math.max(names.length, values.length); assertEquals(argc, frame.argumentCount()); for (var i = 0; i < argc; i++) { if (i < names.length) { assertEquals(names[i], frame.argumentName(i)); } else { assertEquals(void 0, frame.argumentName(i)); } if (i < values.length) { assertEquals(values[i], frame.argumentValue(i).value()); } else { assertEquals(void 0, frame.argumentValue(i).value()); } } } function listener(event, exec_state, event_data, data) { try { if (event == Debug.DebugEvent.Break) { // Frame 0 - called with less parameters than arguments. checkArguments(exec_state.frame(0), ['x', 'y'], [1]); // Frame 1 - called with more parameters than arguments. checkArguments(exec_state.frame(1), ['x', 'y'], [1, 2, 3]); // Frame 2 - called with same number of parameters than arguments. checkArguments(exec_state.frame(2), ['x', 'y', 'z'], [1, 2, 3]); // Indicate that all was processed. listenerComplete = true; } } catch (e) { exception = e }; }; // Add the debug event listener. Debug.setListener(listener); function h(x, y) { debugger; // Breakpoint. }; function g(x, y) { h(x); }; function f(x, y, z) { g.apply(null, [x, y, z]); }; f(1, 2, 3); // Make sure that the debug event listener vas invoked. assertTrue(listenerComplete); assertFalse(exception, "exception in listener")