| OLD | NEW |
|---|
| (Empty) |
| 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 | |
| 31 Debug = debug.Debug | |
| 32 | |
| 33 function FindCallFrame(exec_state, frame_code) { | |
| 34 var number = Number(frame_code); | |
| 35 if (number >= 0) { | |
| 36 return exec_state.frame(number); | |
| 37 } else { | |
| 38 for (var i = 0; i < exec_state.frameCount(); i++) { | |
| 39 var frame = exec_state.frame(i); | |
| 40 var func_mirror = frame.func(); | |
| 41 if (frame_code == func_mirror.name()) { | |
| 42 return frame; | |
| 43 } | |
| 44 } | |
| 45 } | |
| 46 throw new Error("Failed to find function name " + function_name); | |
| 47 } | |
| 48 | |
| 49 function TestCase(test_scenario, expected_output) { | |
| 50 // Global variable, accessed from eval'd script. | |
| 51 test_output = ""; | |
| 52 | |
| 53 function TestCode() { | |
| 54 function A() { | |
| 55 // Extra stack variable. To make function not slim. | |
| 56 // Restarter doesn't work on slim function when stopped on 'debugger' | |
| 57 // statement. (There is no padding for 'debugger' statement). | |
| 58 var o = {}; | |
| 59 test_output += 'A'; | |
| 60 test_output += '='; | |
| 61 debugger; | |
| 62 return 'Capybara'; | |
| 63 } | |
| 64 function B(p1, p2) { | |
| 65 test_output += 'B'; | |
| 66 return A(); | |
| 67 } | |
| 68 function C() { | |
| 69 test_output += 'C'; | |
| 70 // Function call with argument adaptor is intentional. | |
| 71 return B(); | |
| 72 } | |
| 73 function D() { | |
| 74 test_output += 'D'; | |
| 75 // Function call with argument adaptor is intentional. | |
| 76 return C(1, 2); | |
| 77 } | |
| 78 function E() { | |
| 79 test_output += 'E'; | |
| 80 return D(); | |
| 81 } | |
| 82 function F() { | |
| 83 test_output += 'F'; | |
| 84 return E(); | |
| 85 } | |
| 86 return F(); | |
| 87 } | |
| 88 | |
| 89 var scenario_pos = 0; | |
| 90 | |
| 91 function DebuggerStatementHandler(exec_state) { | |
| 92 while (true) { | |
| 93 assertTrue(scenario_pos < test_scenario.length); | |
| 94 var change_code = test_scenario[scenario_pos++]; | |
| 95 if (change_code == '=') { | |
| 96 // Continue. | |
| 97 return; | |
| 98 } | |
| 99 var frame = FindCallFrame(exec_state, change_code); | |
| 100 var error = frame.restart(); | |
| 101 if (typeof error === 'string') | |
| 102 throw new Error(error); | |
| 103 } | |
| 104 } | |
| 105 | |
| 106 var saved_exception = null; | |
| 107 | |
| 108 function listener(event, exec_state, event_data, data) { | |
| 109 if (saved_exception != null) { | |
| 110 return; | |
| 111 } | |
| 112 if (event == Debug.DebugEvent.Break) { | |
| 113 try { | |
| 114 DebuggerStatementHandler(exec_state); | |
| 115 } catch (e) { | |
| 116 saved_exception = e; | |
| 117 } | |
| 118 } else { | |
| 119 print("Other: " + event); | |
| 120 } | |
| 121 } | |
| 122 | |
| 123 Debug.setListener(listener); | |
| 124 assertEquals("Capybara", TestCode()); | |
| 125 Debug.setListener(null); | |
| 126 | |
| 127 if (saved_exception) { | |
| 128 print("Exception: " + saved_exception); | |
| 129 print("Stack: " + saved_exception.stack); | |
| 130 assertUnreachable(); | |
| 131 } | |
| 132 | |
| 133 print(test_output); | |
| 134 | |
| 135 assertEquals(expected_output, test_output); | |
| 136 } | |
| 137 | |
| 138 TestCase('0==', "FEDCBA=A="); | |
| 139 TestCase('1==', "FEDCBA=BA="); | |
| 140 TestCase('2==', "FEDCBA=CBA="); | |
| 141 TestCase('3==', "FEDCBA=DCBA="); | |
| 142 TestCase('4==', "FEDCBA=EDCBA="); | |
| 143 TestCase('5==', "FEDCBA=FEDCBA="); | |
| 144 | |
| 145 TestCase('=', "FEDCBA="); | |
| 146 | |
| 147 TestCase('C==', "FEDCBA=CBA="); | |
| 148 | |
| 149 TestCase('B=C=A=D==', "FEDCBA=BA=CBA=A=DCBA="); | |
| 150 | |
| 151 // Successive restarts don't work now and require additional fix. | |
| 152 //TestCase('BCDE==', "FEDCBA=EDCBA="); | |
| 153 //TestCase('BC=BCDE==', "FEDCBA=CBA=EDCBA="); | |
| 154 //TestCase('EF==', "FEDCBA=FEDCBA="); | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2503293002:
[debug-wrapper] LiveEdit, frame.restart(), breakpoints (Closed)
