1// Copyright 2012 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 31var exception = false; 32 33function sendCommand(state, cmd) { 34 // Get the debug command processor in paused state. 35 var dcp = state.debugCommandProcessor(false); 36 var request = JSON.stringify(cmd); 37 var response = dcp.processDebugJSONRequest(request); 38} 39 40var state = 0; 41 42function listener(event, exec_state, event_data, data) { 43 try { 44 if (event == Debug.DebugEvent.Break) { 45 var line = event_data.sourceLineText(); 46 print('break: ' + line); 47 print('event data: ' + event_data.toJSONProtocol()); 48 print(); 49 assertEquals('// BREAK', line.substr(-8), 50 "should not break outside evaluate"); 51 52 switch (state) { 53 case 0: 54 state = 1; 55 // While in the debugger and stepping through a set of instructions 56 // executed in the evaluate command, the stepping must stop at the end 57 // of the said set of instructions and not step further into native 58 // debugger code. 59 sendCommand(exec_state, { 60 seq : 0, 61 type : "request", 62 command : "evaluate", 63 arguments : { 64 'expression' : 'print("A"); debugger; print("B"); // BREAK', 65 'global' : true 66 } 67 }); 68 break; 69 case 1: 70 sendCommand(exec_state, { 71 seq : 0, 72 type : "request", 73 command : "continue", 74 arguments : { 75 stepaction : "next" 76 } 77 }); 78 break; 79 } 80 } 81 } catch (e) { 82 print(e); 83 exception = true; 84 } 85} 86 87// Add the debug event listener. 88Debug.setListener(listener); 89 90function a() { 91} // BREAK 92 93// Set a break point and call to invoke the debug event listener. 94Debug.setBreakPoint(a, 0, 0); 95a(); 96assertFalse(exception); 97