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| 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 --expose-natives-as=builtins | |
| 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. | |
| 47 if (true) { | |
| 48 exec_state.prepareStep(Debug.StepAction.StepInMin, 1); | |
| 49 } | |
| 50 } | |
| 51 } | |
| 52 | |
| 53 Debug.setListener(listener); | |
| 54 | |
| 55 | |
| 56 function nop() {} | |
| 57 | |
| 58 | |
| 59 function stress() { | |
| 60 debugger; | |
| 61 | |
| 62 L: with ({x:12}) { | |
| 63 break L; | |
| 64 } | |
| 65 | |
| 66 | |
| 67 with ({x: 'outer'}) { | |
| 68 label: { | |
| 69 with ({x: 'inner'}) { | |
| 70 break label; | |
| 71 } | |
| 72 } | |
| 73 } | |
| 74 | |
| 75 | |
| 76 with ({x: 'outer'}) { | |
| 77 label: { | |
| 78 with ({x: 'inner'}) { | |
| 79 break label; | |
| 80 } | |
| 81 } | |
| 82 nop(); | |
| 83 } | |
| 84 | |
| 85 | |
| 86 with ({x: 'outer'}) { | |
| 87 label: { | |
| 88 with ({x: 'middle'}) { | |
| 89 with ({x: 'inner'}) { | |
| 90 break label; | |
| 91 } | |
| 92 } | |
| 93 } | |
| 94 } | |
| 95 | |
| 96 | |
| 97 with ({x: 'outer'}) { | |
| 98 label: { | |
| 99 with ({x: 'middle'}) { | |
| 100 with ({x: 'inner'}) { | |
| 101 break label; | |
| 102 } | |
| 103 } | |
| 104 } | |
| 105 nop(); | |
| 106 } | |
| 107 | |
| 108 | |
| 109 with ({x: 'outer'}) { | |
| 110 for (var i = 0; i < 3; ++i) { | |
| 111 with ({x: 'inner' + i}) { | |
| 112 continue; | |
| 113 } | |
| 114 } | |
| 115 } | |
| 116 | |
| 117 | |
| 118 with ({x: 'outer'}) { | |
| 119 label: for (var i = 0; i < 3; ++i) { | |
| 120 with ({x: 'middle' + i}) { | |
| 121 for (var j = 0; j < 3; ++j) { | |
| 122 with ({x: 'inner' + j}) { | |
| 123 continue label; | |
| 124 } | |
| 125 } | |
| 126 } | |
| 127 } | |
| 128 } | |
| 129 | |
| 130 | |
| 131 with ({x: 'outer'}) { | |
| 132 try { | |
| 133 with ({x: 'inner'}) { | |
| 134 throw 0; | |
| 135 } | |
| 136 } catch (e) { | |
| 137 } | |
| 138 } | |
| 139 | |
| 140 | |
| 141 with ({x: 'outer'}) { | |
| 142 try { | |
| 143 with ({x: 'inner'}) { | |
| 144 throw 0; | |
| 145 } | |
| 146 } catch (e) { | |
| 147 nop(); | |
| 148 } | |
| 149 } | |
| 150 | |
| 151 | |
| 152 with ({x: 'outer'}) { | |
| 153 try { | |
| 154 with ({x: 'middle'}) { | |
| 155 with ({x: 'inner'}) { | |
| 156 throw 0; | |
| 157 } | |
| 158 } | |
| 159 } catch (e) { | |
| 160 } | |
| 161 } | |
| 162 | |
| 163 | |
| 164 try { | |
| 165 with ({x: 'outer'}) { | |
| 166 try { | |
| 167 with ({x: 'inner'}) { | |
| 168 throw 0; | |
| 169 } | |
| 170 } finally { | |
| 171 } | |
| 172 } | |
| 173 } catch (e) { | |
| 174 } | |
| 175 | |
| 176 | |
| 177 try { | |
| 178 with ({x: 'outer'}) { | |
| 179 try { | |
| 180 with ({x: 'inner'}) { | |
| 181 throw 0; | |
| 182 } | |
| 183 } finally { | |
| 184 nop(); | |
| 185 } | |
| 186 } | |
| 187 } catch (e) { | |
| 188 } | |
| 189 | |
| 190 | |
| 191 function stress1() { | |
| 192 with ({x:12}) { | |
| 193 return x; | |
| 194 } | |
| 195 } | |
| 196 stress1(); | |
| 197 | |
| 198 | |
| 199 function stress2() { | |
| 200 with ({x: 'outer'}) { | |
| 201 with ({x: 'inner'}) { | |
| 202 return x; | |
| 203 } | |
| 204 } | |
| 205 } | |
| 206 stress2(); | |
| 207 | |
| 208 function stress3() { | |
| 209 try { | |
| 210 with ({x: 'inner'}) { | |
| 211 throw 0; | |
| 212 } | |
| 213 } catch (e) { | |
| 214 return e; | |
| 215 } | |
| 216 } | |
| 217 stress3(); | |
| 218 | |
| 219 | |
| 220 function stress4() { | |
| 221 try { | |
| 222 with ({x: 'inner'}) { | |
| 223 throw 0; | |
| 224 } | |
| 225 } catch (e) { | |
| 226 with ({x: 'inner'}) { | |
| 227 return e; | |
| 228 } | |
| 229 } | |
| 230 } | |
| 231 stress4(); | |
| 232 | |
| 233 } | |
| 234 stress(); | |
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