1 // Copyright 2008 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 listenerComplete = false; 33 exception = false; 34 35 function checkArguments(frame, names, values) { 36 var argc = Math.max(names.length, values.length); 37 assertEquals(argc, frame.argumentCount()); 38 for (var i = 0; i < argc; i++) { 39 if (i < names.length) { 40 assertEquals(names[i], frame.argumentName(i)); 41 } else { 42 assertEquals(void 0, frame.argumentName(i)); 43 } 44 45 if (i < values.length) { 46 assertEquals(values[i], frame.argumentValue(i).value()); 47 } else { 48 assertEquals(void 0, frame.argumentValue(i).value()); 49 } 50 } 51 } 52 53 function listener(event, exec_state, event_data, data) { 54 try { 55 if (event == Debug.DebugEvent.Break) 56 { 57 // Frame 0 - called with less parameters than arguments. 58 checkArguments(exec_state.frame(0), ['x', 'y'], [1]); 59 60 // Frame 1 - called with more parameters than arguments. 61 checkArguments(exec_state.frame(1), ['x', 'y'], [1, 2, 3]); 62 63 // Frame 2 - called with same number of parameters than arguments. 64 checkArguments(exec_state.frame(2), ['x', 'y', 'z'], [1, 2, 3]); 65 66 // Indicate that all was processed. 67 listenerComplete = true; 68 } 69 } catch (e) { 70 exception = e 71 }; 72 }; 73 74 // Add the debug event listener. 75 Debug.setListener(listener); 76 77 function h(x, y) { 78 debugger; // Breakpoint. 79 }; 80 81 function g(x, y) { 82 h(x); 83 }; 84 85 function f(x, y, z) { 86 g.apply(null, [x, y, z]); 87 }; 88 89 f(1, 2, 3); 90 91 // Make sure that the debug event listener vas invoked. 92 assertTrue(listenerComplete); 93 assertFalse(exception, "exception in listener") 94
