1756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick// Copyright 2009 the V8 project authors. All rights reserved. 2756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick// Redistribution and use in source and binary forms, with or without 3756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick// modification, are permitted provided that the following conditions are 4756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick// met: 5756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick// 6756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick// * Redistributions of source code must retain the above copyright 7756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick// notice, this list of conditions and the following disclaimer. 8756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick// * Redistributions in binary form must reproduce the above 9756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick// copyright notice, this list of conditions and the following 10756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick// disclaimer in the documentation and/or other materials provided 11756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick// with the distribution. 12756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick// * Neither the name of Google Inc. nor the names of its 13756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick// contributors may be used to endorse or promote products derived 14756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick// from this software without specific prior written permission. 15756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick// 16756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick 28756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick// Flags: --expose-debug-as debug 29756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick// Get the Debug object exposed from the debug context global object. 30756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain MerrickDebug = debug.Debug 31756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick 32756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrickvar exception = null; 33756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrickvar state = 0; 34756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrickvar expected_function_name = null; 35756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrickvar expected_source_line_text = null; 36756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrickvar expected_caller_source_line = null; 37756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrickvar step_in_count = 2; 38756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick 39756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick// Simple debug event handler which first time will cause 'step in' action 40756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick// to get into g.call and than check that execution is pauesed inside 41756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick// function 'g'. 42756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrickfunction listener(event, exec_state, event_data, data) { 43756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick try { 44756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick if (event == Debug.DebugEvent.Break) { 45756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick if (state == 0) { 46756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick // Step into f(). 47756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick exec_state.prepareStep(Debug.StepAction.StepIn, step_in_count); 48756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick state = 2; 49756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick } else if (state == 2) { 50756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick assertEquals(expected_source_line_text, 51756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick event_data.sourceLineText()); 52756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick assertEquals(expected_function_name, event_data.func().name()); 53756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick state = 3; 54756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick } 55756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick } 56756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick } catch(e) { 57756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick exception = e; 58756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick } 59756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick}; 60756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick 61756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick// Add the debug event listener. 62756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain MerrickDebug.setListener(listener); 63756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick 64756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick 65589d6979ff2ef66fca2d8fa51404c369ca5e9250Ben Murdochfunction g() { 66756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick return "s"; // expected line 67756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick} 68756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick 69756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrickfunction testFunction() { 70756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick var f = g; 71756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick var s = 1 +f(10); 72756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick} 73756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick 74589d6979ff2ef66fca2d8fa51404c369ca5e9250Ben Murdochfunction g2() { 75756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick return "s2"; // expected line 76756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick} 77756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick 78756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrickfunction testFunction2() { 79756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick var f = g2; 80756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick var s = 1 +f(10, 20); 81756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick} 82756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick 83756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick// Run three times. First time the function will be compiled lazily, 84756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick// second time cached version will be used. 85756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrickfor (var i = 0; i < 3; i++) { 86756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick state = 0; 87756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick expected_function_name = 'g'; 88756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick expected_source_line_text = ' return "s"; // expected line'; 89756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick step_in_count = 2; 90756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick // Set a break point and call to invoke the debug event listener. 91756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick Debug.setBreakPoint(testFunction, 1, 0); 92756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick testFunction(); 93756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick assertNull(exception); 94756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick assertEquals(3, state); 95756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick} 96756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick 97756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick// Test stepping into function call when a breakpoint is set at the place 98756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick// of call. Use different pair of functions so that g2 is compiled lazily. 99756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick// Run twice: first time function will be compiled lazily, second time 100756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick// cached version will be used. 101756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrickfor (var i = 0; i < 3; i++) { 102756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick state = 0; 103756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick expected_function_name = 'g2'; 104756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick expected_source_line_text = ' return "s2"; // expected line'; 105756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick step_in_count = 1; 106756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick // Set a break point and call to invoke the debug event listener. 107756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick Debug.setBreakPoint(testFunction2, 2, 0); 108756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick testFunction2(); 109756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick assertNull(exception); 110756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick assertEquals(3, state); 111756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick} 112756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick 113756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick 114756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick// Get rid of the debug event listener. 115756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain MerrickDebug.setListener(null); 116