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. 30Debug = debug.Debug 31 32// Simple debug event handler which counts the number of breaks hit and steps. 33var break_break_point_hit_count = 0; 34function listener(event, exec_state, event_data, data) { 35 if (event == Debug.DebugEvent.Break) { 36 break_break_point_hit_count++; 37 // Continue stepping until returned to bottom frame. 38 if (exec_state.frameCount() > 1) { 39 exec_state.prepareStep(Debug.StepAction.StepIn); 40 } 41 } 42}; 43 44// Add the debug event listener. 45Debug.setListener(listener); 46 47// Use 'eval' to ensure that the call to print is through CodeStub CallFunction. 48// See Ia32CodeGenerator::VisitCall and Ia32CodeGenerator::CallWithArguments. 49function f() { 50 debugger; 51 eval(''); 52 print('Hello, world!'); 53}; 54 55break_break_point_hit_count = 0; 56f(); 57assertEquals(6, break_break_point_hit_count); 58 59// Use an inner function to ensure that the function call is through CodeStub 60// CallFunction see Ia32CodeGenerator::VisitCall and 61// Ia32CodeGenerator::CallWithArguments. 62function g() { 63 function h() {} 64 debugger; 65 h(); 66}; 67 68break_break_point_hit_count = 0; 69g(); 70assertEquals(5, break_break_point_hit_count); 71 72 73// Use an inner function to ensure that the function call is through CodeStub 74// CallFunction. 75function testCallInExpreesion() { 76 function h() {} 77 debugger; 78 var x = 's' + h(10, 20); 79}; 80 81break_break_point_hit_count = 0; 82testCallInExpreesion(); 83assertEquals(5, break_break_point_hit_count); 84 85 86// Get rid of the debug event listener. 87Debug.setListener(null); 88