1// Copyright 2011 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 32function sendCommand(state, cmd) { 33 // Get the debug command processor in paused state. 34 var dcp = state.debugCommandProcessor(false); 35 var request = JSON.stringify(cmd); 36 var response = dcp.processDebugJSONRequest(request); 37} 38 39var state = 0; 40 41function listener(event, exec_state, event_data, data) { 42 try { 43 if (event == Debug.DebugEvent.Break) { 44 var line = event_data.sourceLineText(); 45 print('break: ' + line); 46 print('event data: ' + event_data.toJSONProtocol()); 47 print(); 48 assertEquals('// BREAK', line.substr(-8), 49 "should not break outside evaluate"); 50 51 switch (state) { 52 case 0: 53 state = 1; 54 // While in the debugger and stepping through a set of instructions 55 // executed in the evaluate command, the stepping must stop at the end 56 // of the said set of instructions and not step further into native 57 // debugger code. 58 sendCommand(exec_state, { 59 seq : 0, 60 type : "request", 61 command : "evaluate", 62 arguments : { 63 'expression' : 'print("A"); debugger; print("B"); // BREAK', 64 'global' : true 65 } 66 }); 67 break; 68 case 1: 69 sendCommand(exec_state, { 70 seq : 0, 71 type : "request", 72 command : "continue", 73 arguments : { 74 stepaction : "next" 75 } 76 }); 77 break; 78 } 79 } 80 } catch (e) { 81 print(e); 82 } 83} 84 85// Add the debug event listener. 86Debug.setListener(listener); 87 88function a() { 89} // BREAK 90 91// Set a break point and call to invoke the debug event listener. 92Debug.setBreakPoint(a, 0, 0); 93a(); 94