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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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392 if (!IS_UNDEFINED(result)) return result; | 392 if (!IS_UNDEFINED(result)) return result; |
393 | 393 |
394 return Join(this, length, separator, ConvertToString); | 394 return Join(this, length, separator, ConvertToString); |
395 } | 395 } |
396 | 396 |
397 | 397 |
398 function ObservedArrayPop(n) { | 398 function ObservedArrayPop(n) { |
399 n--; | 399 n--; |
400 var value = this[n]; | 400 var value = this[n]; |
401 | 401 |
| 402 EnqueueSpliceRecord(this, n, [value], 0); |
| 403 |
402 try { | 404 try { |
403 BeginPerformSplice(this); | 405 BeginPerformSplice(this); |
404 delete this[n]; | 406 delete this[n]; |
405 this.length = n; | 407 this.length = n; |
406 } finally { | 408 } finally { |
407 EndPerformSplice(this); | 409 EndPerformSplice(this); |
408 EnqueueSpliceRecord(this, n, [value], 0); | |
409 } | 410 } |
410 | 411 |
411 return value; | 412 return value; |
412 } | 413 } |
413 | 414 |
414 // Removes the last element from the array and returns it. See | 415 // Removes the last element from the array and returns it. See |
415 // ECMA-262, section 15.4.4.6. | 416 // ECMA-262, section 15.4.4.6. |
416 function ArrayPop() { | 417 function ArrayPop() { |
417 if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) { | 418 if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) { |
418 throw MakeTypeError("called_on_null_or_undefined", | 419 throw MakeTypeError("called_on_null_or_undefined", |
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433 delete this[n]; | 434 delete this[n]; |
434 this.length = n; | 435 this.length = n; |
435 return value; | 436 return value; |
436 } | 437 } |
437 | 438 |
438 | 439 |
439 function ObservedArrayPush() { | 440 function ObservedArrayPush() { |
440 var n = TO_UINT32(this.length); | 441 var n = TO_UINT32(this.length); |
441 var m = %_ArgumentsLength(); | 442 var m = %_ArgumentsLength(); |
442 | 443 |
| 444 EnqueueSpliceRecord(this, n, [], m); |
| 445 |
443 try { | 446 try { |
444 BeginPerformSplice(this); | 447 BeginPerformSplice(this); |
445 for (var i = 0; i < m; i++) { | 448 for (var i = 0; i < m; i++) { |
446 this[i+n] = %_Arguments(i); | 449 this[i+n] = %_Arguments(i); |
447 } | 450 } |
448 this.length = n + m; | 451 this.length = n + m; |
449 } finally { | 452 } finally { |
450 EndPerformSplice(this); | 453 EndPerformSplice(this); |
451 EnqueueSpliceRecord(this, n, [], m); | |
452 } | 454 } |
453 | 455 |
454 return this.length; | 456 return this.length; |
455 } | 457 } |
456 | 458 |
457 // Appends the arguments to the end of the array and returns the new | 459 // Appends the arguments to the end of the array and returns the new |
458 // length of the array. See ECMA-262, section 15.4.4.7. | 460 // length of the array. See ECMA-262, section 15.4.4.7. |
459 function ArrayPush() { | 461 function ArrayPush() { |
460 if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) { | 462 if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) { |
461 throw MakeTypeError("called_on_null_or_undefined", | 463 throw MakeTypeError("called_on_null_or_undefined", |
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572 } | 574 } |
573 } | 575 } |
574 } | 576 } |
575 return this; | 577 return this; |
576 } | 578 } |
577 | 579 |
578 | 580 |
579 function ObservedArrayShift(len) { | 581 function ObservedArrayShift(len) { |
580 var first = this[0]; | 582 var first = this[0]; |
581 | 583 |
| 584 EnqueueSpliceRecord(this, 0, [first], 0); |
| 585 |
582 try { | 586 try { |
583 BeginPerformSplice(this); | 587 BeginPerformSplice(this); |
584 SimpleMove(this, 0, 1, len, 0); | 588 SimpleMove(this, 0, 1, len, 0); |
585 this.length = len - 1; | 589 this.length = len - 1; |
586 } finally { | 590 } finally { |
587 EndPerformSplice(this); | 591 EndPerformSplice(this); |
588 EnqueueSpliceRecord(this, 0, [first], 0); | |
589 } | 592 } |
590 | 593 |
591 return first; | 594 return first; |
592 } | 595 } |
593 | 596 |
594 function ArrayShift() { | 597 function ArrayShift() { |
595 if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) { | 598 if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) { |
596 throw MakeTypeError("called_on_null_or_undefined", | 599 throw MakeTypeError("called_on_null_or_undefined", |
597 ["Array.prototype.shift"]); | 600 ["Array.prototype.shift"]); |
598 } | 601 } |
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617 | 620 |
618 this.length = len - 1; | 621 this.length = len - 1; |
619 | 622 |
620 return first; | 623 return first; |
621 } | 624 } |
622 | 625 |
623 function ObservedArrayUnshift() { | 626 function ObservedArrayUnshift() { |
624 var len = TO_UINT32(this.length); | 627 var len = TO_UINT32(this.length); |
625 var num_arguments = %_ArgumentsLength(); | 628 var num_arguments = %_ArgumentsLength(); |
626 | 629 |
| 630 EnqueueSpliceRecord(this, 0, [], num_arguments); |
| 631 |
627 try { | 632 try { |
628 BeginPerformSplice(this); | 633 BeginPerformSplice(this); |
629 SimpleMove(this, 0, 0, len, num_arguments); | 634 SimpleMove(this, 0, 0, len, num_arguments); |
630 for (var i = 0; i < num_arguments; i++) { | 635 for (var i = 0; i < num_arguments; i++) { |
631 this[i] = %_Arguments(i); | 636 this[i] = %_Arguments(i); |
632 } | 637 } |
633 this.length = len + num_arguments; | 638 this.length = len + num_arguments; |
634 } finally { | 639 } finally { |
635 EndPerformSplice(this); | 640 EndPerformSplice(this); |
636 EnqueueSpliceRecord(this, 0, [], num_arguments); | |
637 } | 641 } |
638 | 642 |
639 return len + num_arguments; | 643 return len + num_arguments; |
640 } | 644 } |
641 | 645 |
642 function ArrayUnshift(arg1) { // length == 1 | 646 function ArrayUnshift(arg1) { // length == 1 |
643 if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) { | 647 if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) { |
644 throw MakeTypeError("called_on_null_or_undefined", | 648 throw MakeTypeError("called_on_null_or_undefined", |
645 ["Array.prototype.unshift"]); | 649 ["Array.prototype.unshift"]); |
646 } | 650 } |
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1652 )); | 1656 )); |
1653 | 1657 |
1654 SetUpLockedPrototype(InternalPackedArray, $Array(), $Array( | 1658 SetUpLockedPrototype(InternalPackedArray, $Array(), $Array( |
1655 "join", getFunction("join", ArrayJoin), | 1659 "join", getFunction("join", ArrayJoin), |
1656 "pop", getFunction("pop", ArrayPop), | 1660 "pop", getFunction("pop", ArrayPop), |
1657 "push", getFunction("push", ArrayPush) | 1661 "push", getFunction("push", ArrayPush) |
1658 )); | 1662 )); |
1659 } | 1663 } |
1660 | 1664 |
1661 SetUpArray(); | 1665 SetUpArray(); |
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