Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 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 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 28 | // Flags: --expose-debug-as debug |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 29 | |
| 30 | // Check that the ScopeIterator can properly recreate the scope at |
| 31 | // every point when stepping through functions. |
| 32 | |
| 33 | var Debug = debug.Debug; |
| 34 | |
| 35 | function listener(event, exec_state, event_data, data) { |
| 36 | if (event == Debug.DebugEvent.Break) { |
| 37 | // Access scope details. |
| 38 | var scope_count = exec_state.frame().scopeCount(); |
| 39 | for (var i = 0; i < scope_count; i++) { |
| 40 | var scope = exec_state.frame().scope(i); |
| 41 | // assertTrue(scope.isScope()); |
| 42 | scope.scopeType(); |
| 43 | scope.scopeObject(); |
| 44 | } |
| 45 | |
| 46 | // Do steps until we reach the global scope again. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 47 | exec_state.prepareStep(Debug.StepAction.StepIn); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 48 | } |
| 49 | } |
| 50 | |
| 51 | Debug.setListener(listener); |
| 52 | |
| 53 | |
| 54 | function nop() {} |
| 55 | |
| 56 | |
| 57 | function stress() { |
| 58 | debugger; |
| 59 | |
| 60 | L: with ({x:12}) { |
| 61 | break L; |
| 62 | } |
| 63 | |
| 64 | |
| 65 | with ({x: 'outer'}) { |
| 66 | label: { |
| 67 | with ({x: 'inner'}) { |
| 68 | break label; |
| 69 | } |
| 70 | } |
| 71 | } |
| 72 | |
| 73 | |
| 74 | with ({x: 'outer'}) { |
| 75 | label: { |
| 76 | with ({x: 'inner'}) { |
| 77 | break label; |
| 78 | } |
| 79 | } |
| 80 | nop(); |
| 81 | } |
| 82 | |
| 83 | |
| 84 | with ({x: 'outer'}) { |
| 85 | label: { |
| 86 | with ({x: 'middle'}) { |
| 87 | with ({x: 'inner'}) { |
| 88 | break label; |
| 89 | } |
| 90 | } |
| 91 | } |
| 92 | } |
| 93 | |
| 94 | |
| 95 | with ({x: 'outer'}) { |
| 96 | label: { |
| 97 | with ({x: 'middle'}) { |
| 98 | with ({x: 'inner'}) { |
| 99 | break label; |
| 100 | } |
| 101 | } |
| 102 | } |
| 103 | nop(); |
| 104 | } |
| 105 | |
| 106 | |
| 107 | with ({x: 'outer'}) { |
| 108 | for (var i = 0; i < 3; ++i) { |
| 109 | with ({x: 'inner' + i}) { |
| 110 | continue; |
| 111 | } |
| 112 | } |
| 113 | } |
| 114 | |
| 115 | |
| 116 | with ({x: 'outer'}) { |
| 117 | label: for (var i = 0; i < 3; ++i) { |
| 118 | with ({x: 'middle' + i}) { |
| 119 | for (var j = 0; j < 3; ++j) { |
| 120 | with ({x: 'inner' + j}) { |
| 121 | continue label; |
| 122 | } |
| 123 | } |
| 124 | } |
| 125 | } |
| 126 | } |
| 127 | |
| 128 | |
| 129 | with ({x: 'outer'}) { |
| 130 | try { |
| 131 | with ({x: 'inner'}) { |
| 132 | throw 0; |
| 133 | } |
| 134 | } catch (e) { |
| 135 | } |
| 136 | } |
| 137 | |
| 138 | |
| 139 | with ({x: 'outer'}) { |
| 140 | try { |
| 141 | with ({x: 'inner'}) { |
| 142 | throw 0; |
| 143 | } |
| 144 | } catch (e) { |
| 145 | nop(); |
| 146 | } |
| 147 | } |
| 148 | |
| 149 | |
| 150 | with ({x: 'outer'}) { |
| 151 | try { |
| 152 | with ({x: 'middle'}) { |
| 153 | with ({x: 'inner'}) { |
| 154 | throw 0; |
| 155 | } |
| 156 | } |
| 157 | } catch (e) { |
| 158 | } |
| 159 | } |
| 160 | |
| 161 | |
| 162 | try { |
| 163 | with ({x: 'outer'}) { |
| 164 | try { |
| 165 | with ({x: 'inner'}) { |
| 166 | throw 0; |
| 167 | } |
| 168 | } finally { |
| 169 | } |
| 170 | } |
| 171 | } catch (e) { |
| 172 | } |
| 173 | |
| 174 | |
| 175 | try { |
| 176 | with ({x: 'outer'}) { |
| 177 | try { |
| 178 | with ({x: 'inner'}) { |
| 179 | throw 0; |
| 180 | } |
| 181 | } finally { |
| 182 | nop(); |
| 183 | } |
| 184 | } |
| 185 | } catch (e) { |
| 186 | } |
| 187 | |
| 188 | |
| 189 | function stress1() { |
| 190 | with ({x:12}) { |
| 191 | return x; |
| 192 | } |
| 193 | } |
| 194 | stress1(); |
| 195 | |
| 196 | |
| 197 | function stress2() { |
| 198 | with ({x: 'outer'}) { |
| 199 | with ({x: 'inner'}) { |
| 200 | return x; |
| 201 | } |
| 202 | } |
| 203 | } |
| 204 | stress2(); |
| 205 | |
| 206 | function stress3() { |
| 207 | try { |
| 208 | with ({x: 'inner'}) { |
| 209 | throw 0; |
| 210 | } |
| 211 | } catch (e) { |
| 212 | return e; |
| 213 | } |
| 214 | } |
| 215 | stress3(); |
| 216 | |
| 217 | |
| 218 | function stress4() { |
| 219 | try { |
| 220 | with ({x: 'inner'}) { |
| 221 | throw 0; |
| 222 | } |
| 223 | } catch (e) { |
| 224 | with ({x: 'inner'}) { |
| 225 | return e; |
| 226 | } |
| 227 | } |
| 228 | } |
| 229 | stress4(); |
| 230 | |
| 231 | } |
| 232 | stress(); |