/* 47: */ /* 48: */ private void transformCompilationUnit_r( ScriptNode tree, Node parent, Scope scope, boolean createScopeObjects, boolean inStrictMode) /* 49: */ { /* 50:104 */ Node node = null; /* 51: */ for (; ; ) /* 52: */ { /* 53:107 */ Node previous = null; /* 54:108 */ if (node == null) /* 55: */ { /* 56:109 */ node = parent.getFirstChild(); /* 57: */ } /* 58: */ else /* 59: */ { /* 60:111 */ previous = node; /* 61:112 */ node = node.getNext(); /* 62: */ } /* 63:114 */ if (node == null) { /* 64: */ break; /* 65: */ } /* 66:118 */ int type = node.getType(); /* 67:119 */ if ((createScopeObjects) && ((type == 129) || (type == 132) || (type == 157)) && ((node instanceof Scope))) /* 68: */ { /* 69:124 */ Scope newScope = (Scope) node; /* 70:125 */ if (newScope.getSymbolTable() != null) /* 71: */ { /* 72:128 */ Node let = new Node(type == 157 ? 158 : 153); /* 73: */ /* 74:130 */ Node innerLet = new Node(153); /* 75:131 */ let.addChildToBack(innerLet); /* 76:132 */ for (String name : newScope.getSymbolTable().keySet()) { /* 77:133 */ innerLet.addChildToBack(Node.newString(39, name)); /* 78: */ } /* 79:135 */ newScope.setSymbolTable(null); /* 80:136 */ Node oldNode = node; /* 81:137 */ node = replaceCurrent(parent, previous, node, let); /* 82:138 */ type = node.getType(); /* 83:139 */ let.addChildToBack(oldNode); /* 84: */ } /* 85: */ } /* 86:143 */ switch (type) /* 87: */ { /* 88: */ case 114: /* 89: */ case 130: /* 90: */ case 132: /* 91:148 */ this.loops.push(node); /* 92:149 */ this.loopEnds.push(((Jump) node).target); /* 93:150 */ break; /* 94: */ case 123: /* 95:154 */ this.loops.push(node); /* 96:155 */ Node leave = node.getNext(); /* 97:156 */ if (leave.getType() != 3) { /* 98:157 */ Kit.codeBug(); /* 99: */ } /* 100:159 */ this.loopEnds.push(leave); /* 101:160 */ break; /* 102: */ case 81: /* 103:165 */ Jump jump = (Jump) node; /* 104:166 */ Node finallytarget = jump.getFinally(); /* 105:167 */ if (finallytarget != null) /* 106: */ { /* 107:168 */ this.hasFinally = true; /* 108:169 */ this.loops.push(node); /* 109:170 */ this.loopEnds.push(finallytarget); /* 110: */ } /* 111: */ break; /* 112: */ case 3: /* 113: */ case 131: /* 114:177 */ if ((!this.loopEnds.isEmpty()) && (this.loopEnds.peek() == node)) /* 115: */ { /* 116:178 */ this.loopEnds.pop(); /* 117:179 */ this.loops.pop(); /* 118: */ } /* 119: */ break; /* 120: */ case 72: /* 121:184 */ ((FunctionNode) tree).addResumptionPoint(node); /* 122:185 */ break; /* 123: */ case 4: /* 124:189 */ boolean isGenerator = (tree.getType() == 109) && (((FunctionNode) tree).isGenerator()); /* 125:191 */ if (isGenerator) { /* 126:192 */ node.putIntProp(20, 1); /* 127: */ } /* 128:201 */ if (this.hasFinally) /* 129: */ { /* 130:203 */ Node unwindBlock = null; /* 131:204 */ for (int i = this.loops.size() - 1; i >= 0; i--) /* 132: */ { /* 133:205 */ Node n = (Node) this.loops.get(i); /* 134:206 */ int elemtype = n.getType(); /* 135:207 */ if ((elemtype == 81) || (elemtype == 123)) /* 136: */ { /* 137: */ Node unwind; /* 138: */ Node unwind; /* 139:209 */ if (elemtype == 81) /* 140: */ { /* 141:210 */ Jump jsrnode = new Jump(135); /* 142:211 */ Node jsrtarget = ((Jump) n).getFinally(); /* 143:212 */ jsrnode.target = jsrtarget; /* 144:213 */ unwind = jsrnode; /* 145: */ } /* 146: */ else /* 147: */ { /* 148:215 */ unwind = new Node(3); /* 149: */ } /* 150:217 */ if (unwindBlock == null) { /* 151:218 */ unwindBlock = new Node(129, node.getLineno()); /* 152: */ } /* 153:221 */ unwindBlock.addChildToBack(unwind); /* 154: */ } /* 155: */ } /* 156:224 */ if (unwindBlock != null) /* 157: */ { /* 158:225 */ Node returnNode = node; /* 159:226 */ Node returnExpr = returnNode.getFirstChild(); /* 160:227 */ node = replaceCurrent(parent, previous, node, unwindBlock); /* 161:228 */ if ((returnExpr == null) || (isGenerator)) /* 162: */ { /* 163:229 */ unwindBlock.addChildToBack(returnNode); continue; /* 164: */ } /* 165:231 */ Node store = new Node(134, returnExpr); /* 166:232 */ unwindBlock.addChildToFront(store); /* 167:233 */ returnNode = new Node(64); /* 168:234 */ unwindBlock.addChildToBack(returnNode); /* 169: */ /* 170:236 */ transformCompilationUnit_r( tree, store, scope, createScopeObjects, inStrictMode); /* 171: */ } /* 172: */ } /* 173:241 */ break; /* 174: */ case 120: /* 175: */ case 121: /* 176:249 */ Jump jump = (Jump) node; /* 177:250 */ Jump jumpStatement = jump.getJumpStatement(); /* 178:251 */ if (jumpStatement == null) { /* 179:251 */ Kit.codeBug(); /* 180: */ } /* 181:253 */ int i = this.loops.size(); /* 182: */ for (; ; ) /* 183: */ { /* 184:254 */ if (i == 0) { /* 185:258 */ throw Kit.codeBug(); /* 186: */ } /* 187:260 */ i--; /* 188:261 */ Node n = (Node) this.loops.get(i); /* 189:262 */ if (n == jumpStatement) { /* 190: */ break; /* 191: */ } /* 192:266 */ int elemtype = n.getType(); /* 193:267 */ if (elemtype == 123) /* 194: */ { /* 195:268 */ Node leave = new Node(3); /* 196:269 */ previous = addBeforeCurrent(parent, previous, node, leave); /* 197: */ } /* 198:271 */ else if (elemtype == 81) /* 199: */ { /* 200:272 */ Jump tryNode = (Jump) n; /* 201:273 */ Jump jsrFinally = new Jump(135); /* 202:274 */ jsrFinally.target = tryNode.getFinally(); /* 203:275 */ previous = addBeforeCurrent(parent, previous, node, jsrFinally); /* 204: */ } /* 205: */ } /* 206:280 */ if (type == 120) { /* 207:281 */ jump.target = jumpStatement.target; /* 208: */ } else { /* 209:283 */ jump.target = jumpStatement.getContinue(); /* 210: */ } /* 211:285 */ jump.setType(5); /* 212: */ /* 213:287 */ break; /* 214: */ case 38: /* 215:291 */ visitCall(node, tree); /* 216:292 */ break; /* 217: */ case 30: /* 218:295 */ visitNew(node, tree); /* 219:296 */ break; /* 220: */ case 153: /* 221: */ case 158: /* 222:300 */ Node child = node.getFirstChild(); /* 223:301 */ if (child.getType() == 153) /* 224: */ { /* 225:304 */ boolean createWith = (tree.getType() != 109) || (((FunctionNode) tree).requiresActivation()); /* 226: */ /* 227:306 */ node = visitLet(createWith, parent, previous, node); /* 228: */ } /* 229:307 */ break; /* 230: */ case 122: /* 231: */ case 154: /* 232:316 */ Node result = new Node(129); /* 233:317 */ for (Node cursor = node.getFirstChild(); cursor != null; ) /* 234: */ { /* 235:320 */ Node n = cursor; /* 236:321 */ cursor = cursor.getNext(); /* 237:322 */ if (n.getType() == 39) /* 238: */ { /* 239:323 */ if (!n.hasChildren()) { /* 240: */ continue; /* 241: */ } /* 242:325 */ Node init = n.getFirstChild(); /* 243:326 */ n.removeChild(init); /* 244:327 */ n.setType(49); /* 245:328 */ n = new Node(type == 154 ? 155 : 8, n, init); /* 246: */ } /* 247:335 */ else if (n.getType() != 158) /* 248: */ { /* 249:336 */ throw Kit.codeBug(); /* 250: */ } /* 251:338 */ Node pop = new Node(133, n, node.getLineno()); /* 252:339 */ result.addChildToBack(pop); /* 253: */ } /* 254:341 */ node = replaceCurrent(parent, previous, node, result); /* 255:342 */ break; /* 256: */ case 137: /* 257:346 */ Scope defining = scope.getDefiningScope(node.getString()); /* 258:347 */ if (defining != null) { /* 259:348 */ node.setScope(defining); /* 260: */ } /* 261:351 */ break; /* 262: */ case 7: /* 263: */ case 32: /* 264:359 */ Node child = node.getFirstChild(); /* 265:360 */ if (type == 7) /* 266: */ { /* 267:361 */ while (child.getType() == 26) { /* 268:362 */ child = child.getFirstChild(); /* 269: */ } /* 270:364 */ if ((child.getType() == 12) || (child.getType() == 13)) /* 271: */ { /* 272:367 */ Node first = child.getFirstChild(); /* 273:368 */ Node last = child.getLastChild(); /* 274:369 */ if ((first.getType() == 39) && (first.getString().equals("undefined"))) { /* 275:371 */ child = last; /* 276:372 */ } else if ((last.getType() == 39) && (last.getString().equals("undefined"))) { /* 277:374 */ child = first; /* 278: */ } /* 279: */ } /* 280: */ } /* 281:377 */ if (child.getType() == 33) { /* 282:378 */ child.setType(34); /* 283: */ } /* 284: */ break; /* 285: */ case 8: /* 286:383 */ if (inStrictMode) { /* 287:384 */ node.setType(73); /* 288: */ } /* 289: */ case 31: /* 290: */ case 39: /* 291: */ case 155: /* 292:392 */ if (!createScopeObjects) /* 293: */ { /* 294: */ Node nameSource; /* 295: */ Node nameSource; /* 296:396 */ if (type == 39) /* 297: */ { /* 298:397 */ nameSource = node; /* 299: */ } /* 300: */ else /* 301: */ { /* 302:399 */ nameSource = node.getFirstChild(); /* 303:400 */ if (nameSource.getType() != 49) /* 304: */ { /* 305:401 */ if (type == 31) { /* 306: */ break label1734; /* 307: */ } /* 308:404 */ throw Kit.codeBug(); /* 309: */ } /* 310: */ } /* 311:407 */ if (nameSource.getScope() == null) /* 312: */ { /* 313:410 */ String name = nameSource.getString(); /* 314:411 */ Scope defining = scope.getDefiningScope(name); /* 315:412 */ if (defining != null) /* 316: */ { /* 317:413 */ nameSource.setScope(defining); /* 318:414 */ if (type == 39) /* 319: */ { /* 320:415 */ node.setType(55); /* 321: */ } /* 322:416 */ else if ((type == 8) || (type == 73)) /* 323: */ { /* 324:418 */ node.setType(56); /* 325:419 */ nameSource.setType(41); /* 326: */ } /* 327:420 */ else if (type == 155) /* 328: */ { /* 329:421 */ node.setType(156); /* 330:422 */ nameSource.setType(41); /* 331: */ } /* 332:423 */ else if (type == 31) /* 333: */ { /* 334:425 */ Node n = new Node(44); /* 335:426 */ node = replaceCurrent(parent, previous, node, n); /* 336: */ } /* 337: */ else /* 338: */ { /* 339:428 */ throw Kit.codeBug(); /* 340: */ } /* 341: */ } /* 342: */ } /* 343: */ } /* 344: */ default: /* 345: */ label1734: /* 346:435 */ transformCompilationUnit_r( tree, node, (node instanceof Scope) ? (Scope) node : scope, createScopeObjects, inStrictMode); /* 347: */ } /* 348: */ } /* 349: */ }
/* 354: */ /* 355: */ protected Node visitLet( boolean createWith, Node parent, Node previous, Node scopeNode) /* 356: */ { /* 357:450 */ Node vars = scopeNode.getFirstChild(); /* 358:451 */ Node body = vars.getNext(); /* 359:452 */ scopeNode.removeChild(vars); /* 360:453 */ scopeNode.removeChild(body); /* 361:454 */ boolean isExpression = scopeNode.getType() == 158; /* 362: */ Node result; /* 363:457 */ if (createWith) /* 364: */ { /* 365:458 */ Node result = new Node(isExpression ? 159 : 129); /* 366:459 */ result = replaceCurrent(parent, previous, scopeNode, result); /* 367:460 */ ArrayList<Object> list = new ArrayList(); /* 368:461 */ Node objectLiteral = new Node(66); /* 369:462 */ for (Node v = vars.getFirstChild(); v != null; v = v.getNext()) /* 370: */ { /* 371:463 */ Node current = v; /* 372:464 */ if (current.getType() == 158) /* 373: */ { /* 374:466 */ List<?> destructuringNames = (List) current.getProp(22); /* 375: */ /* 376:468 */ Node c = current.getFirstChild(); /* 377:469 */ if (c.getType() != 153) { /* 378:469 */ throw Kit.codeBug(); /* 379: */ } /* 380:471 */ if (isExpression) { /* 381:472 */ body = new Node(89, c.getNext(), body); /* 382: */ } else { /* 383:474 */ body = new Node(129, new Node(133, c.getNext()), body); /* 384: */ } /* 385:480 */ if (destructuringNames != null) /* 386: */ { /* 387:481 */ list.addAll(destructuringNames); /* 388:482 */ for (int i = 0; i < destructuringNames.size(); i++) { /* 389:483 */ objectLiteral.addChildToBack(new Node(126, Node.newNumber(0.0D))); /* 390: */ } /* 391: */ } /* 392:487 */ current = c.getFirstChild(); /* 393: */ } /* 394:489 */ if (current.getType() != 39) { /* 395:489 */ throw Kit.codeBug(); /* 396: */ } /* 397:490 */ list.add(ScriptRuntime.getIndexObject(current.getString())); /* 398:491 */ Node init = current.getFirstChild(); /* 399:492 */ if (init == null) { /* 400:493 */ init = new Node(126, Node.newNumber(0.0D)); /* 401: */ } /* 402:495 */ objectLiteral.addChildToBack(init); /* 403: */ } /* 404:497 */ objectLiteral.putProp(12, list.toArray()); /* 405:498 */ Node newVars = new Node(2, objectLiteral); /* 406:499 */ result.addChildToBack(newVars); /* 407:500 */ result.addChildToBack(new Node(123, body)); /* 408:501 */ result.addChildToBack(new Node(3)); /* 409: */ } /* 410: */ else /* 411: */ { /* 412:503 */ result = new Node(isExpression ? 89 : 129); /* 413:504 */ result = replaceCurrent(parent, previous, scopeNode, result); /* 414:505 */ Node newVars = new Node(89); /* 415:506 */ for (Node v = vars.getFirstChild(); v != null; v = v.getNext()) /* 416: */ { /* 417:507 */ Node current = v; /* 418:508 */ if (current.getType() == 158) /* 419: */ { /* 420:510 */ Node c = current.getFirstChild(); /* 421:511 */ if (c.getType() != 153) { /* 422:511 */ throw Kit.codeBug(); /* 423: */ } /* 424:513 */ if (isExpression) { /* 425:514 */ body = new Node(89, c.getNext(), body); /* 426: */ } else { /* 427:516 */ body = new Node(129, new Node(133, c.getNext()), body); /* 428: */ } /* 429:521 */ Scope.joinScopes((Scope) current, (Scope) scopeNode); /* 430: */ /* 431:523 */ current = c.getFirstChild(); /* 432: */ } /* 433:525 */ if (current.getType() != 39) { /* 434:525 */ throw Kit.codeBug(); /* 435: */ } /* 436:526 */ Node stringNode = Node.newString(current.getString()); /* 437:527 */ stringNode.setScope((Scope) scopeNode); /* 438:528 */ Node init = current.getFirstChild(); /* 439:529 */ if (init == null) { /* 440:530 */ init = new Node(126, Node.newNumber(0.0D)); /* 441: */ } /* 442:532 */ newVars.addChildToBack(new Node(56, stringNode, init)); /* 443: */ } /* 444:534 */ if (isExpression) /* 445: */ { /* 446:535 */ result.addChildToBack(newVars); /* 447:536 */ scopeNode.setType(89); /* 448:537 */ result.addChildToBack(scopeNode); /* 449:538 */ scopeNode.addChildToBack(body); /* 450:539 */ if ((body instanceof Scope)) /* 451: */ { /* 452:540 */ Scope scopeParent = ((Scope) body).getParentScope(); /* 453:541 */ ((Scope) body).setParentScope((Scope) scopeNode); /* 454:542 */ ((Scope) scopeNode).setParentScope(scopeParent); /* 455: */ } /* 456: */ } /* 457: */ else /* 458: */ { /* 459:545 */ result.addChildToBack(new Node(133, newVars)); /* 460:546 */ scopeNode.setType(129); /* 461:547 */ result.addChildToBack(scopeNode); /* 462:548 */ scopeNode.addChildrenToBack(body); /* 463:549 */ if ((body instanceof Scope)) /* 464: */ { /* 465:550 */ Scope scopeParent = ((Scope) body).getParentScope(); /* 466:551 */ ((Scope) body).setParentScope((Scope) scopeNode); /* 467:552 */ ((Scope) scopeNode).setParentScope(scopeParent); /* 468: */ } /* 469: */ } /* 470: */ } /* 471:556 */ return result; /* 472: */ }