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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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