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. 30 Debug = debug.Debug 31 var exception = false; 32 33 function 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 40 var state = 0; 41 42 function 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. 88 Debug.setListener(listener); 89 90 function a() { 91 } // BREAK 92 93 // Set a break point and call to invoke the debug event listener. 94 Debug.setBreakPoint(a, 0, 0); 95 a(); 96 assertFalse(exception); 97
