Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(815)

Side by Side Diff: src/array.js

Issue 6902104: Don't exchange null and undefined with the global object in function.prototype.{call, apply} for ... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 9 years, 7 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
« no previous file with comments | « no previous file | src/date.js » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
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
(...skipping 357 matching lines...) Expand 10 before | Expand all | Expand 10 after
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
(...skipping 36 matching lines...) Expand 10 before | Expand all | Expand 10 after
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) {
(...skipping 11 matching lines...) Expand all
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 {
(...skipping 17 matching lines...) Expand all
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;
(...skipping 51 matching lines...) Expand 10 before | Expand all | Expand 10 after
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);
(...skipping 241 matching lines...) Expand 10 before | Expand all | Expand 10 after
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.
(...skipping 37 matching lines...) Expand 10 before | Expand all | Expand 10 after
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;
(...skipping 33 matching lines...) Expand 10 before | Expand all | Expand 10 after
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--;
(...skipping 82 matching lines...) Expand 10 before | Expand all | Expand 10 after
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();
OLDNEW
« no previous file with comments | « no previous file | src/date.js » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698