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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 test1() { | |
| 57 debugger; | |
| 58 with ({x:1}) { | |
| 59 x = 2; | |
| 60 } | |
| 61 } | |
| 62 test1(); | |
| 63 | |
| 64 | |
| 65 function test2() { | |
| 66 if (true) { | |
| 67 with ({}) { | |
| 68 debugger; | |
| 69 } | |
| 70 } else { | |
| 71 with ({}) { | |
| 72 return 10; | |
| 73 } | |
| 74 } | |
| 75 } | |
| 76 test2(); | |
| 77 | |
| 78 | |
| 79 function test3() { | |
| 80 if (true) { | |
| 81 debugger; | |
| 82 } else { | |
| 83 with ({}) { | |
| 84 return 10; | |
| 85 } | |
| 86 } | |
| 87 } | |
| 88 test3(); | |
| 89 | |
| 90 | |
| 91 function test4() { | |
| 92 debugger; | |
| 93 with ({x:1}) x = 1 | |
| 94 } | |
| 95 test4(); | |
| 96 | |
| 97 | |
| 98 function test5() { | |
| 99 debugger; | |
| 100 var dummy = 1; | |
| 101 with ({}) { | |
| 102 with ({}) { | |
| 103 dummy = 2; | |
| 104 } | |
| 105 } | |
| 106 dummy = 3; | |
| 107 } | |
| 108 test5(); | |
| 109 | |
| 110 | |
| 111 function test6() { | |
| 112 debugger; | |
| 113 try { | |
| 114 throw 'stuff'; | |
| 115 } catch (e) { | |
| 116 e = 1; | |
| 117 } | |
| 118 } | |
| 119 test6(); | |
| 120 | |
| 121 | |
| 122 function test7() { | |
| 123 debugger; | |
| 124 function foo() {} | |
| 125 } | |
| 126 test7(); | |
| 127 | |
| 128 | |
| 129 function test8() { | |
| 130 debugger; | |
| 131 (function foo() {})(); | |
| 132 } | |
| 133 test8(); | |
| 134 | |
| 135 | |
| 136 var q = 42; | |
| 137 var prefixes = [ "debugger; ", | |
| 138 "if (false) { try { throw 0; } catch(x) { return x; } }; debugg
er; " ]; | |
| 139 var bodies = [ "1", | |
| 140 "1 ", | |
| 141 "1;", | |
| 142 "1; ", | |
| 143 "q", | |
| 144 "q ", | |
| 145 "q;", | |
| 146 "q; ", | |
| 147 "try { throw 'stuff' } catch (e) { e = 1; }", | |
| 148 "try { throw 'stuff' } catch (e) { e = 1; } ", | |
| 149 "try { throw 'stuff' } catch (e) { e = 1; };", | |
| 150 "try { throw 'stuff' } catch (e) { e = 1; }; " ]; | |
| 151 var with_bodies = [ "with ({}) {}", | |
| 152 "with ({x:1}) x", | |
| 153 "with ({x:1}) x = 1", | |
| 154 "with ({x:1}) x ", | |
| 155 "with ({x:1}) x = 1 ", | |
| 156 "with ({x:1}) x;", | |
| 157 "with ({x:1}) x = 1;", | |
| 158 "with ({x:1}) x; ", | |
| 159 "with ({x:1}) x = 1; " ]; | |
| 160 | |
| 161 | |
| 162 function test9() { | |
| 163 debugger; | |
| 164 for (var i = 0; i < prefixes.length; ++i) { | |
| 165 var pre = prefixes[i]; | |
| 166 for (var j = 0; j < bodies.length; ++j) { | |
| 167 var body = bodies[j]; | |
| 168 eval(pre + body); | |
| 169 eval("'use strict'; " + pre + body); | |
| 170 } | |
| 171 for (var j = 0; j < with_bodies.length; ++j) { | |
| 172 var body = with_bodies[j]; | |
| 173 eval(pre + body); | |
| 174 } | |
| 175 } | |
| 176 } | |
| 177 test9(); | |
| 178 | |
| 179 | |
| 180 function test10() { | |
| 181 debugger; | |
| 182 with ({}) { | |
| 183 return 10; | |
| 184 } | |
| 185 } | |
| 186 test10(); | |
| 187 | |
| 188 | |
| 189 function test11() { | |
| 190 debugger; | |
| 191 try { | |
| 192 throw 'stuff'; | |
| 193 } catch (e) { | |
| 194 return 10; | |
| 195 } | |
| 196 } | |
| 197 test11(); | |
| 198 | |
| 199 | |
| 200 // Test global eval and function constructor. | |
| 201 for (var i = 0; i < prefixes.length; ++i) { | |
| 202 var pre = prefixes[i]; | |
| 203 for (var j = 0; j < bodies.length; ++j) { | |
| 204 var body = bodies[j]; | |
| 205 eval(pre + body); | |
| 206 eval("'use strict'; " + pre + body); | |
| 207 Function(pre + body)(); | |
| 208 } | |
| 209 for (var j = 0; j < with_bodies.length; ++j) { | |
| 210 var body = with_bodies[j]; | |
| 211 eval(pre + body); | |
| 212 Function(pre + body)(); | |
| 213 } | |
| 214 } | |
| 215 | |
| 216 | |
| 217 try { | |
| 218 with({}) { | |
| 219 debugger; | |
| 220 eval("{}$%:^"); | |
| 221 } | |
| 222 } catch(e) { | |
| 223 nop(); | |
| 224 } | |
| 225 | |
| 226 // Return from function constructed with Function constructor. | |
| 227 var anon = 12; | |
| 228 for (var i = 0; i < prefixes.length; ++i) { | |
| 229 var pre = prefixes[i]; | |
| 230 Function(pre + "return 42")(); | |
| 231 Function(pre + "return 42 ")(); | |
| 232 Function(pre + "return 42;")(); | |
| 233 Function(pre + "return 42; ")(); | |
| 234 Function(pre + "return anon")(); | |
| 235 Function(pre + "return anon ")(); | |
| 236 Function(pre + "return anon;")(); | |
| 237 Function(pre + "return anon; ")(); | |
| 238 } | |
| 239 | |
| 240 | |
| 241 function nop() {} | |
| 242 | |
| 243 | |
| 244 function stress() { | |
| 245 debugger; | |
| 246 | |
| 247 L: with ({x:12}) { | |
| 248 break L; | |
| 249 } | |
| 250 | |
| 251 | |
| 252 with ({x: 'outer'}) { | |
| 253 label: { | |
| 254 with ({x: 'inner'}) { | |
| 255 break label; | |
| 256 } | |
| 257 } | |
| 258 } | |
| 259 | |
| 260 | |
| 261 with ({x: 'outer'}) { | |
| 262 label: { | |
| 263 with ({x: 'inner'}) { | |
| 264 break label; | |
| 265 } | |
| 266 } | |
| 267 nop(); | |
| 268 } | |
| 269 | |
| 270 | |
| 271 with ({x: 'outer'}) { | |
| 272 label: { | |
| 273 with ({x: 'middle'}) { | |
| 274 with ({x: 'inner'}) { | |
| 275 break label; | |
| 276 } | |
| 277 } | |
| 278 } | |
| 279 } | |
| 280 | |
| 281 | |
| 282 with ({x: 'outer'}) { | |
| 283 label: { | |
| 284 with ({x: 'middle'}) { | |
| 285 with ({x: 'inner'}) { | |
| 286 break label; | |
| 287 } | |
| 288 } | |
| 289 } | |
| 290 nop(); | |
| 291 } | |
| 292 | |
| 293 | |
| 294 with ({x: 'outer'}) { | |
| 295 for (var i = 0; i < 3; ++i) { | |
| 296 with ({x: 'inner' + i}) { | |
| 297 continue; | |
| 298 } | |
| 299 } | |
| 300 } | |
| 301 | |
| 302 | |
| 303 with ({x: 'outer'}) { | |
| 304 label: for (var i = 0; i < 3; ++i) { | |
| 305 with ({x: 'middle' + i}) { | |
| 306 for (var j = 0; j < 3; ++j) { | |
| 307 with ({x: 'inner' + j}) { | |
| 308 continue label; | |
| 309 } | |
| 310 } | |
| 311 } | |
| 312 } | |
| 313 } | |
| 314 | |
| 315 | |
| 316 with ({x: 'outer'}) { | |
| 317 try { | |
| 318 with ({x: 'inner'}) { | |
| 319 throw 0; | |
| 320 } | |
| 321 } catch (e) { | |
| 322 } | |
| 323 } | |
| 324 | |
| 325 | |
| 326 with ({x: 'outer'}) { | |
| 327 try { | |
| 328 with ({x: 'inner'}) { | |
| 329 throw 0; | |
| 330 } | |
| 331 } catch (e) { | |
| 332 nop(); | |
| 333 } | |
| 334 } | |
| 335 | |
| 336 | |
| 337 with ({x: 'outer'}) { | |
| 338 try { | |
| 339 with ({x: 'middle'}) { | |
| 340 with ({x: 'inner'}) { | |
| 341 throw 0; | |
| 342 } | |
| 343 } | |
| 344 } catch (e) { | |
| 345 } | |
| 346 } | |
| 347 | |
| 348 | |
| 349 try { | |
| 350 with ({x: 'outer'}) { | |
| 351 try { | |
| 352 with ({x: 'inner'}) { | |
| 353 throw 0; | |
| 354 } | |
| 355 } finally { | |
| 356 } | |
| 357 } | |
| 358 } catch (e) { | |
| 359 } | |
| 360 | |
| 361 | |
| 362 try { | |
| 363 with ({x: 'outer'}) { | |
| 364 try { | |
| 365 with ({x: 'inner'}) { | |
| 366 throw 0; | |
| 367 } | |
| 368 } finally { | |
| 369 nop(); | |
| 370 } | |
| 371 } | |
| 372 } catch (e) { | |
| 373 } | |
| 374 | |
| 375 | |
| 376 function stress1() { | |
| 377 with ({x:12}) { | |
| 378 return x; | |
| 379 } | |
| 380 } | |
| 381 stress1(); | |
| 382 | |
| 383 | |
| 384 function stress2() { | |
| 385 with ({x: 'outer'}) { | |
| 386 with ({x: 'inner'}) { | |
| 387 return x; | |
| 388 } | |
| 389 } | |
| 390 } | |
| 391 stress2(); | |
| 392 | |
| 393 function stress3() { | |
| 394 try { | |
| 395 with ({x: 'inner'}) { | |
| 396 throw 0; | |
| 397 } | |
| 398 } catch (e) { | |
| 399 return e; | |
| 400 } | |
| 401 } | |
| 402 stress3(); | |
| 403 | |
| 404 | |
| 405 function stress4() { | |
| 406 try { | |
| 407 with ({x: 'inner'}) { | |
| 408 throw 0; | |
| 409 } | |
| 410 } catch (e) { | |
| 411 with ({x: 'inner'}) { | |
| 412 return e; | |
| 413 } | |
| 414 } | |
| 415 } | |
| 416 stress4(); | |
| 417 | |
| 418 } | |
| 419 stress(); | |
| 420 | |
| 421 | |
| 422 // With block as the last(!) statement in global code. | |
| 423 with ({}) { debugger; } | |
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