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1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 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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368 | 368 |
369 function ArrayToLocaleString() { | 369 function ArrayToLocaleString() { |
370 if (!IS_ARRAY(this)) { | 370 if (!IS_ARRAY(this)) { |
371 throw new $TypeError('Array.prototype.toString is not generic'); | 371 throw new $TypeError('Array.prototype.toString is not generic'); |
372 } | 372 } |
373 return Join(this, this.length, ',', ConvertToLocaleString); | 373 return Join(this, this.length, ',', ConvertToLocaleString); |
374 } | 374 } |
375 | 375 |
376 | 376 |
377 function ArrayJoin(separator) { | 377 function ArrayJoin(separator) { |
| 378 if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) { |
| 379 throw MakeTypeError("called_on_null_or_undefined", |
| 380 ["Array.prototype.join"]); |
| 381 } |
| 382 |
378 if (IS_UNDEFINED(separator)) { | 383 if (IS_UNDEFINED(separator)) { |
379 separator = ','; | 384 separator = ','; |
380 } else if (!IS_STRING(separator)) { | 385 } else if (!IS_STRING(separator)) { |
381 separator = NonStringToString(separator); | 386 separator = NonStringToString(separator); |
382 } | 387 } |
383 | 388 |
384 var result = %_FastAsciiArrayJoin(this, separator); | 389 var result = %_FastAsciiArrayJoin(this, separator); |
385 if (!IS_UNDEFINED(result)) return result; | 390 if (!IS_UNDEFINED(result)) return result; |
386 | 391 |
387 return Join(this, TO_UINT32(this.length), separator, ConvertToString); | 392 return Join(this, TO_UINT32(this.length), separator, ConvertToString); |
388 } | 393 } |
389 | 394 |
390 | 395 |
391 // Removes the last element from the array and returns it. See | 396 // Removes the last element from the array and returns it. See |
392 // ECMA-262, section 15.4.4.6. | 397 // ECMA-262, section 15.4.4.6. |
393 function ArrayPop() { | 398 function ArrayPop() { |
| 399 if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) { |
| 400 throw MakeTypeError("called_on_null_or_undefined", |
| 401 ["Array.prototype.pop"]); |
| 402 } |
| 403 |
394 var n = TO_UINT32(this.length); | 404 var n = TO_UINT32(this.length); |
395 if (n == 0) { | 405 if (n == 0) { |
396 this.length = n; | 406 this.length = n; |
397 return; | 407 return; |
398 } | 408 } |
399 n--; | 409 n--; |
400 var value = this[n]; | 410 var value = this[n]; |
401 this.length = n; | 411 this.length = n; |
402 delete this[n]; | 412 delete this[n]; |
403 return value; | 413 return value; |
404 } | 414 } |
405 | 415 |
406 | 416 |
407 // Appends the arguments to the end of the array and returns the new | 417 // Appends the arguments to the end of the array and returns the new |
408 // length of the array. See ECMA-262, section 15.4.4.7. | 418 // length of the array. See ECMA-262, section 15.4.4.7. |
409 function ArrayPush() { | 419 function ArrayPush() { |
| 420 if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) { |
| 421 throw MakeTypeError("called_on_null_or_undefined", |
| 422 ["Array.prototype.push"]); |
| 423 } |
| 424 |
410 var n = TO_UINT32(this.length); | 425 var n = TO_UINT32(this.length); |
411 var m = %_ArgumentsLength(); | 426 var m = %_ArgumentsLength(); |
412 for (var i = 0; i < m; i++) { | 427 for (var i = 0; i < m; i++) { |
413 this[i+n] = %_Arguments(i); | 428 this[i+n] = %_Arguments(i); |
414 } | 429 } |
415 this.length = n + m; | 430 this.length = n + m; |
416 return this.length; | 431 return this.length; |
417 } | 432 } |
418 | 433 |
419 | 434 |
420 function ArrayConcat(arg1) { // length == 1 | 435 function ArrayConcat(arg1) { // length == 1 |
| 436 if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) { |
| 437 throw MakeTypeError("called_on_null_or_undefined", |
| 438 ["Array.prototype.concat"]); |
| 439 } |
| 440 |
421 var arg_count = %_ArgumentsLength(); | 441 var arg_count = %_ArgumentsLength(); |
422 var arrays = new InternalArray(1 + arg_count); | 442 var arrays = new InternalArray(1 + arg_count); |
423 arrays[0] = this; | 443 arrays[0] = this; |
424 for (var i = 0; i < arg_count; i++) { | 444 for (var i = 0; i < arg_count; i++) { |
425 arrays[i + 1] = %_Arguments(i); | 445 arrays[i + 1] = %_Arguments(i); |
426 } | 446 } |
427 | 447 |
428 return %ArrayConcat(arrays); | 448 return %ArrayConcat(arrays); |
429 } | 449 } |
430 | 450 |
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467 if (!IS_UNDEFINED(current_j) || high in array) { | 487 if (!IS_UNDEFINED(current_j) || high in array) { |
468 array[low] = current_j; | 488 array[low] = current_j; |
469 delete array[high]; | 489 delete array[high]; |
470 } | 490 } |
471 } | 491 } |
472 } | 492 } |
473 } | 493 } |
474 | 494 |
475 | 495 |
476 function ArrayReverse() { | 496 function ArrayReverse() { |
| 497 if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) { |
| 498 throw MakeTypeError("called_on_null_or_undefined", |
| 499 ["Array.prototype.reverse"]); |
| 500 } |
| 501 |
477 var j = TO_UINT32(this.length) - 1; | 502 var j = TO_UINT32(this.length) - 1; |
478 | 503 |
479 if (UseSparseVariant(this, j, IS_ARRAY(this))) { | 504 if (UseSparseVariant(this, j, IS_ARRAY(this))) { |
480 SparseReverse(this, j+1); | 505 SparseReverse(this, j+1); |
481 return this; | 506 return this; |
482 } | 507 } |
483 | 508 |
484 for (var i = 0; i < j; i++, j--) { | 509 for (var i = 0; i < j; i++, j--) { |
485 var current_i = this[i]; | 510 var current_i = this[i]; |
486 if (!IS_UNDEFINED(current_i) || i in this) { | 511 if (!IS_UNDEFINED(current_i) || i in this) { |
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498 this[i] = current_j; | 523 this[i] = current_j; |
499 delete this[j]; | 524 delete this[j]; |
500 } | 525 } |
501 } | 526 } |
502 } | 527 } |
503 return this; | 528 return this; |
504 } | 529 } |
505 | 530 |
506 | 531 |
507 function ArrayShift() { | 532 function ArrayShift() { |
| 533 if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) { |
| 534 throw MakeTypeError("called_on_null_or_undefined", |
| 535 ["Array.prototype.shift"]); |
| 536 } |
| 537 |
508 var len = TO_UINT32(this.length); | 538 var len = TO_UINT32(this.length); |
509 | 539 |
510 if (len === 0) { | 540 if (len === 0) { |
511 this.length = 0; | 541 this.length = 0; |
512 return; | 542 return; |
513 } | 543 } |
514 | 544 |
515 var first = this[0]; | 545 var first = this[0]; |
516 | 546 |
517 if (IS_ARRAY(this)) | 547 if (IS_ARRAY(this)) |
518 SmartMove(this, 0, 1, len, 0); | 548 SmartMove(this, 0, 1, len, 0); |
519 else | 549 else |
520 SimpleMove(this, 0, 1, len, 0); | 550 SimpleMove(this, 0, 1, len, 0); |
521 | 551 |
522 this.length = len - 1; | 552 this.length = len - 1; |
523 | 553 |
524 return first; | 554 return first; |
525 } | 555 } |
526 | 556 |
527 | 557 |
528 function ArrayUnshift(arg1) { // length == 1 | 558 function ArrayUnshift(arg1) { // length == 1 |
| 559 if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) { |
| 560 throw MakeTypeError("called_on_null_or_undefined", |
| 561 ["Array.prototype.unshift"]); |
| 562 } |
| 563 |
529 var len = TO_UINT32(this.length); | 564 var len = TO_UINT32(this.length); |
530 var num_arguments = %_ArgumentsLength(); | 565 var num_arguments = %_ArgumentsLength(); |
531 | 566 |
532 if (IS_ARRAY(this)) | 567 if (IS_ARRAY(this)) |
533 SmartMove(this, 0, 0, len, num_arguments); | 568 SmartMove(this, 0, 0, len, num_arguments); |
534 else | 569 else |
535 SimpleMove(this, 0, 0, len, num_arguments); | 570 SimpleMove(this, 0, 0, len, num_arguments); |
536 | 571 |
537 for (var i = 0; i < num_arguments; i++) { | 572 for (var i = 0; i < num_arguments; i++) { |
538 this[i] = %_Arguments(i); | 573 this[i] = %_Arguments(i); |
539 } | 574 } |
540 | 575 |
541 this.length = len + num_arguments; | 576 this.length = len + num_arguments; |
542 | 577 |
543 return len + num_arguments; | 578 return len + num_arguments; |
544 } | 579 } |
545 | 580 |
546 | 581 |
547 function ArraySlice(start, end) { | 582 function ArraySlice(start, end) { |
| 583 if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) { |
| 584 throw MakeTypeError("called_on_null_or_undefined", |
| 585 ["Array.prototype.slice"]); |
| 586 } |
| 587 |
548 var len = TO_UINT32(this.length); | 588 var len = TO_UINT32(this.length); |
549 var start_i = TO_INTEGER(start); | 589 var start_i = TO_INTEGER(start); |
550 var end_i = len; | 590 var end_i = len; |
551 | 591 |
552 if (end !== void 0) end_i = TO_INTEGER(end); | 592 if (end !== void 0) end_i = TO_INTEGER(end); |
553 | 593 |
554 if (start_i < 0) { | 594 if (start_i < 0) { |
555 start_i += len; | 595 start_i += len; |
556 if (start_i < 0) start_i = 0; | 596 if (start_i < 0) start_i = 0; |
557 } else { | 597 } else { |
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575 SimpleSlice(this, start_i, end_i - start_i, len, result); | 615 SimpleSlice(this, start_i, end_i - start_i, len, result); |
576 } | 616 } |
577 | 617 |
578 result.length = end_i - start_i; | 618 result.length = end_i - start_i; |
579 | 619 |
580 return result; | 620 return result; |
581 } | 621 } |
582 | 622 |
583 | 623 |
584 function ArraySplice(start, delete_count) { | 624 function ArraySplice(start, delete_count) { |
| 625 if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) { |
| 626 throw MakeTypeError("called_on_null_or_undefined", |
| 627 ["Array.prototype.splice"]); |
| 628 } |
| 629 |
585 var num_arguments = %_ArgumentsLength(); | 630 var num_arguments = %_ArgumentsLength(); |
586 | 631 |
587 var len = TO_UINT32(this.length); | 632 var len = TO_UINT32(this.length); |
588 var start_i = TO_INTEGER(start); | 633 var start_i = TO_INTEGER(start); |
589 | 634 |
590 if (start_i < 0) { | 635 if (start_i < 0) { |
591 start_i += len; | 636 start_i += len; |
592 if (start_i < 0) start_i = 0; | 637 if (start_i < 0) start_i = 0; |
593 } else { | 638 } else { |
594 if (start_i > len) start_i = len; | 639 if (start_i > len) start_i = len; |
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646 this[i++] = %_Arguments(arguments_index++); | 691 this[i++] = %_Arguments(arguments_index++); |
647 } | 692 } |
648 this.length = len - del_count + num_additional_args; | 693 this.length = len - del_count + num_additional_args; |
649 | 694 |
650 // Return the deleted elements. | 695 // Return the deleted elements. |
651 return deleted_elements; | 696 return deleted_elements; |
652 } | 697 } |
653 | 698 |
654 | 699 |
655 function ArraySort(comparefn) { | 700 function ArraySort(comparefn) { |
| 701 if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) { |
| 702 throw MakeTypeError("called_on_null_or_undefined", |
| 703 ["Array.prototype.sort"]); |
| 704 } |
| 705 |
656 // In-place QuickSort algorithm. | 706 // In-place QuickSort algorithm. |
657 // For short (length <= 22) arrays, insertion sort is used for efficiency. | 707 // For short (length <= 22) arrays, insertion sort is used for efficiency. |
658 | 708 |
659 if (!IS_FUNCTION(comparefn)) { | 709 if (!IS_FUNCTION(comparefn)) { |
660 comparefn = function (x, y) { | 710 comparefn = function (x, y) { |
661 if (x === y) return 0; | 711 if (x === y) return 0; |
662 if (%_IsSmi(x) && %_IsSmi(y)) { | 712 if (%_IsSmi(x) && %_IsSmi(y)) { |
663 return %SmiLexicographicCompare(x, y); | 713 return %SmiLexicographicCompare(x, y); |
664 } | 714 } |
665 x = ToString(x); | 715 x = ToString(x); |
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907 } | 957 } |
908 | 958 |
909 return this; | 959 return this; |
910 } | 960 } |
911 | 961 |
912 | 962 |
913 // The following functions cannot be made efficient on sparse arrays while | 963 // The following functions cannot be made efficient on sparse arrays while |
914 // preserving the semantics, since the calls to the receiver function can add | 964 // preserving the semantics, since the calls to the receiver function can add |
915 // or delete elements from the array. | 965 // or delete elements from the array. |
916 function ArrayFilter(f, receiver) { | 966 function ArrayFilter(f, receiver) { |
| 967 if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) { |
| 968 throw MakeTypeError("called_on_null_or_undefined", |
| 969 ["Array.prototype.filter"]); |
| 970 } |
| 971 |
917 if (!IS_FUNCTION(f)) { | 972 if (!IS_FUNCTION(f)) { |
918 throw MakeTypeError('called_non_callable', [ f ]); | 973 throw MakeTypeError('called_non_callable', [ f ]); |
919 } | 974 } |
920 // Pull out the length so that modifications to the length in the | 975 // Pull out the length so that modifications to the length in the |
921 // loop will not affect the looping. | 976 // loop will not affect the looping. |
922 var length = this.length; | 977 var length = this.length; |
923 var result = []; | 978 var result = []; |
924 var result_length = 0; | 979 var result_length = 0; |
925 for (var i = 0; i < length; i++) { | 980 for (var i = 0; i < length; i++) { |
926 var current = this[i]; | 981 var current = this[i]; |
927 if (!IS_UNDEFINED(current) || i in this) { | 982 if (!IS_UNDEFINED(current) || i in this) { |
928 if (f.call(receiver, current, i, this)) { | 983 if (f.call(receiver, current, i, this)) { |
929 result[result_length++] = current; | 984 result[result_length++] = current; |
930 } | 985 } |
931 } | 986 } |
932 } | 987 } |
933 return result; | 988 return result; |
934 } | 989 } |
935 | 990 |
936 | 991 |
937 function ArrayForEach(f, receiver) { | 992 function ArrayForEach(f, receiver) { |
| 993 if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) { |
| 994 throw MakeTypeError("called_on_null_or_undefined", |
| 995 ["Array.prototype.forEach"]); |
| 996 } |
| 997 |
938 if (!IS_FUNCTION(f)) { | 998 if (!IS_FUNCTION(f)) { |
939 throw MakeTypeError('called_non_callable', [ f ]); | 999 throw MakeTypeError('called_non_callable', [ f ]); |
940 } | 1000 } |
941 // Pull out the length so that modifications to the length in the | 1001 // Pull out the length so that modifications to the length in the |
942 // loop will not affect the looping. | 1002 // loop will not affect the looping. |
943 var length = TO_UINT32(this.length); | 1003 var length = TO_UINT32(this.length); |
944 for (var i = 0; i < length; i++) { | 1004 for (var i = 0; i < length; i++) { |
945 var current = this[i]; | 1005 var current = this[i]; |
946 if (!IS_UNDEFINED(current) || i in this) { | 1006 if (!IS_UNDEFINED(current) || i in this) { |
947 f.call(receiver, current, i, this); | 1007 f.call(receiver, current, i, this); |
948 } | 1008 } |
949 } | 1009 } |
950 } | 1010 } |
951 | 1011 |
952 | 1012 |
953 // Executes the function once for each element present in the | 1013 // Executes the function once for each element present in the |
954 // array until it finds one where callback returns true. | 1014 // array until it finds one where callback returns true. |
955 function ArraySome(f, receiver) { | 1015 function ArraySome(f, receiver) { |
| 1016 if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) { |
| 1017 throw MakeTypeError("called_on_null_or_undefined", |
| 1018 ["Array.prototype.some"]); |
| 1019 } |
| 1020 |
956 if (!IS_FUNCTION(f)) { | 1021 if (!IS_FUNCTION(f)) { |
957 throw MakeTypeError('called_non_callable', [ f ]); | 1022 throw MakeTypeError('called_non_callable', [ f ]); |
958 } | 1023 } |
959 // Pull out the length so that modifications to the length in the | 1024 // Pull out the length so that modifications to the length in the |
960 // loop will not affect the looping. | 1025 // loop will not affect the looping. |
961 var length = TO_UINT32(this.length); | 1026 var length = TO_UINT32(this.length); |
962 for (var i = 0; i < length; i++) { | 1027 for (var i = 0; i < length; i++) { |
963 var current = this[i]; | 1028 var current = this[i]; |
964 if (!IS_UNDEFINED(current) || i in this) { | 1029 if (!IS_UNDEFINED(current) || i in this) { |
965 if (f.call(receiver, current, i, this)) return true; | 1030 if (f.call(receiver, current, i, this)) return true; |
966 } | 1031 } |
967 } | 1032 } |
968 return false; | 1033 return false; |
969 } | 1034 } |
970 | 1035 |
971 | 1036 |
972 function ArrayEvery(f, receiver) { | 1037 function ArrayEvery(f, receiver) { |
| 1038 if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) { |
| 1039 throw MakeTypeError("called_on_null_or_undefined", |
| 1040 ["Array.prototype.every"]); |
| 1041 } |
| 1042 |
973 if (!IS_FUNCTION(f)) { | 1043 if (!IS_FUNCTION(f)) { |
974 throw MakeTypeError('called_non_callable', [ f ]); | 1044 throw MakeTypeError('called_non_callable', [ f ]); |
975 } | 1045 } |
976 // Pull out the length so that modifications to the length in the | 1046 // Pull out the length so that modifications to the length in the |
977 // loop will not affect the looping. | 1047 // loop will not affect the looping. |
978 var length = TO_UINT32(this.length); | 1048 var length = TO_UINT32(this.length); |
979 for (var i = 0; i < length; i++) { | 1049 for (var i = 0; i < length; i++) { |
980 var current = this[i]; | 1050 var current = this[i]; |
981 if (!IS_UNDEFINED(current) || i in this) { | 1051 if (!IS_UNDEFINED(current) || i in this) { |
982 if (!f.call(receiver, current, i, this)) return false; | 1052 if (!f.call(receiver, current, i, this)) return false; |
983 } | 1053 } |
984 } | 1054 } |
985 return true; | 1055 return true; |
986 } | 1056 } |
987 | 1057 |
988 function ArrayMap(f, receiver) { | 1058 function ArrayMap(f, receiver) { |
| 1059 if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) { |
| 1060 throw MakeTypeError("called_on_null_or_undefined", |
| 1061 ["Array.prototype.map"]); |
| 1062 } |
| 1063 |
989 if (!IS_FUNCTION(f)) { | 1064 if (!IS_FUNCTION(f)) { |
990 throw MakeTypeError('called_non_callable', [ f ]); | 1065 throw MakeTypeError('called_non_callable', [ f ]); |
991 } | 1066 } |
992 // Pull out the length so that modifications to the length in the | 1067 // Pull out the length so that modifications to the length in the |
993 // loop will not affect the looping. | 1068 // loop will not affect the looping. |
994 var length = TO_UINT32(this.length); | 1069 var length = TO_UINT32(this.length); |
995 var result = new $Array(); | 1070 var result = new $Array(); |
996 var accumulator = new InternalArray(length); | 1071 var accumulator = new InternalArray(length); |
997 for (var i = 0; i < length; i++) { | 1072 for (var i = 0; i < length; i++) { |
998 var current = this[i]; | 1073 var current = this[i]; |
999 if (!IS_UNDEFINED(current) || i in this) { | 1074 if (!IS_UNDEFINED(current) || i in this) { |
1000 accumulator[i] = f.call(receiver, current, i, this); | 1075 accumulator[i] = f.call(receiver, current, i, this); |
1001 } | 1076 } |
1002 } | 1077 } |
1003 %MoveArrayContents(accumulator, result); | 1078 %MoveArrayContents(accumulator, result); |
1004 return result; | 1079 return result; |
1005 } | 1080 } |
1006 | 1081 |
1007 | 1082 |
1008 function ArrayIndexOf(element, index) { | 1083 function ArrayIndexOf(element, index) { |
| 1084 if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) { |
| 1085 throw MakeTypeError("called_on_null_or_undefined", |
| 1086 ["Array.prototype.indexOf"]); |
| 1087 } |
| 1088 |
1009 var length = TO_UINT32(this.length); | 1089 var length = TO_UINT32(this.length); |
1010 if (length == 0) return -1; | 1090 if (length == 0) return -1; |
1011 if (IS_UNDEFINED(index)) { | 1091 if (IS_UNDEFINED(index)) { |
1012 index = 0; | 1092 index = 0; |
1013 } else { | 1093 } else { |
1014 index = TO_INTEGER(index); | 1094 index = TO_INTEGER(index); |
1015 // If index is negative, index from the end of the array. | 1095 // If index is negative, index from the end of the array. |
1016 if (index < 0) { | 1096 if (index < 0) { |
1017 index = length + index; | 1097 index = length + index; |
1018 // If index is still negative, search the entire array. | 1098 // If index is still negative, search the entire array. |
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1056 for (var i = min; i < max; i++) { | 1136 for (var i = min; i < max; i++) { |
1057 if (IS_UNDEFINED(this[i]) && i in this) { | 1137 if (IS_UNDEFINED(this[i]) && i in this) { |
1058 return i; | 1138 return i; |
1059 } | 1139 } |
1060 } | 1140 } |
1061 return -1; | 1141 return -1; |
1062 } | 1142 } |
1063 | 1143 |
1064 | 1144 |
1065 function ArrayLastIndexOf(element, index) { | 1145 function ArrayLastIndexOf(element, index) { |
| 1146 if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) { |
| 1147 throw MakeTypeError("called_on_null_or_undefined", |
| 1148 ["Array.prototype.lastIndexOf"]); |
| 1149 } |
| 1150 |
1066 var length = TO_UINT32(this.length); | 1151 var length = TO_UINT32(this.length); |
1067 if (length == 0) return -1; | 1152 if (length == 0) return -1; |
1068 if (%_ArgumentsLength() < 2) { | 1153 if (%_ArgumentsLength() < 2) { |
1069 index = length - 1; | 1154 index = length - 1; |
1070 } else { | 1155 } else { |
1071 index = TO_INTEGER(index); | 1156 index = TO_INTEGER(index); |
1072 // If index is negative, index from end of the array. | 1157 // If index is negative, index from end of the array. |
1073 if (index < 0) index += length; | 1158 if (index < 0) index += length; |
1074 // If index is still negative, do not search the array. | 1159 // If index is still negative, do not search the array. |
1075 if (index < 0) return -1; | 1160 if (index < 0) return -1; |
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1109 for (var i = max; i >= min; i--) { | 1194 for (var i = max; i >= min; i--) { |
1110 if (IS_UNDEFINED(this[i]) && i in this) { | 1195 if (IS_UNDEFINED(this[i]) && i in this) { |
1111 return i; | 1196 return i; |
1112 } | 1197 } |
1113 } | 1198 } |
1114 return -1; | 1199 return -1; |
1115 } | 1200 } |
1116 | 1201 |
1117 | 1202 |
1118 function ArrayReduce(callback, current) { | 1203 function ArrayReduce(callback, current) { |
| 1204 if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) { |
| 1205 throw MakeTypeError("called_on_null_or_undefined", |
| 1206 ["Array.prototype.reduce"]); |
| 1207 } |
| 1208 |
1119 if (!IS_FUNCTION(callback)) { | 1209 if (!IS_FUNCTION(callback)) { |
1120 throw MakeTypeError('called_non_callable', [callback]); | 1210 throw MakeTypeError('called_non_callable', [callback]); |
1121 } | 1211 } |
1122 // Pull out the length so that modifications to the length in the | 1212 // Pull out the length so that modifications to the length in the |
1123 // loop will not affect the looping. | 1213 // loop will not affect the looping. |
1124 var length = this.length; | 1214 var length = this.length; |
1125 var i = 0; | 1215 var i = 0; |
1126 | 1216 |
1127 find_initial: if (%_ArgumentsLength() < 2) { | 1217 find_initial: if (%_ArgumentsLength() < 2) { |
1128 for (; i < length; i++) { | 1218 for (; i < length; i++) { |
1129 current = this[i]; | 1219 current = this[i]; |
1130 if (!IS_UNDEFINED(current) || i in this) { | 1220 if (!IS_UNDEFINED(current) || i in this) { |
1131 i++; | 1221 i++; |
1132 break find_initial; | 1222 break find_initial; |
1133 } | 1223 } |
1134 } | 1224 } |
1135 throw MakeTypeError('reduce_no_initial', []); | 1225 throw MakeTypeError('reduce_no_initial', []); |
1136 } | 1226 } |
1137 | 1227 |
1138 for (; i < length; i++) { | 1228 for (; i < length; i++) { |
1139 var element = this[i]; | 1229 var element = this[i]; |
1140 if (!IS_UNDEFINED(element) || i in this) { | 1230 if (!IS_UNDEFINED(element) || i in this) { |
1141 current = callback.call(null, current, element, i, this); | 1231 current = callback.call(null, current, element, i, this); |
1142 } | 1232 } |
1143 } | 1233 } |
1144 return current; | 1234 return current; |
1145 } | 1235 } |
1146 | 1236 |
1147 function ArrayReduceRight(callback, current) { | 1237 function ArrayReduceRight(callback, current) { |
| 1238 if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) { |
| 1239 throw MakeTypeError("called_on_null_or_undefined", |
| 1240 ["Array.prototype.reduceRight"]); |
| 1241 } |
| 1242 |
1148 if (!IS_FUNCTION(callback)) { | 1243 if (!IS_FUNCTION(callback)) { |
1149 throw MakeTypeError('called_non_callable', [callback]); | 1244 throw MakeTypeError('called_non_callable', [callback]); |
1150 } | 1245 } |
1151 var i = this.length - 1; | 1246 var i = this.length - 1; |
1152 | 1247 |
1153 find_initial: if (%_ArgumentsLength() < 2) { | 1248 find_initial: if (%_ArgumentsLength() < 2) { |
1154 for (; i >= 0; i--) { | 1249 for (; i >= 0; i--) { |
1155 current = this[i]; | 1250 current = this[i]; |
1156 if (!IS_UNDEFINED(current) || i in this) { | 1251 if (!IS_UNDEFINED(current) || i in this) { |
1157 i--; | 1252 i--; |
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1240 InternalArray.prototype.join = getFunction("join", ArrayJoin); | 1335 InternalArray.prototype.join = getFunction("join", ArrayJoin); |
1241 InternalArray.prototype.pop = getFunction("pop", ArrayPop); | 1336 InternalArray.prototype.pop = getFunction("pop", ArrayPop); |
1242 InternalArray.prototype.push = getFunction("push", ArrayPush); | 1337 InternalArray.prototype.push = getFunction("push", ArrayPush); |
1243 InternalArray.prototype.toString = function() { | 1338 InternalArray.prototype.toString = function() { |
1244 return "Internal Array, length " + this.length; | 1339 return "Internal Array, length " + this.length; |
1245 }; | 1340 }; |
1246 } | 1341 } |
1247 | 1342 |
1248 | 1343 |
1249 SetupArray(); | 1344 SetupArray(); |
OLD | NEW |