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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 (function(global, utils, extrasUtils) { | 5 (function(global, utils, extrasUtils) { |
6 | 6 |
7 "use strict"; | 7 "use strict"; |
8 | 8 |
9 %CheckIsBootstrapping(); | 9 %CheckIsBootstrapping(); |
10 | 10 |
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1263 | 1263 |
1264 // Pull out the length so that side effects are visible before the | 1264 // Pull out the length so that side effects are visible before the |
1265 // callback function is checked. | 1265 // callback function is checked. |
1266 var array = TO_OBJECT(this); | 1266 var array = TO_OBJECT(this); |
1267 var length = TO_LENGTH(array.length); | 1267 var length = TO_LENGTH(array.length); |
1268 return InnerArrayReduceRight(callback, current, array, length, | 1268 return InnerArrayReduceRight(callback, current, array, length, |
1269 arguments.length); | 1269 arguments.length); |
1270 } | 1270 } |
1271 | 1271 |
1272 | 1272 |
1273 function InnerArrayCopyWithin(target, start, end, array, length) { | 1273 // ES#sec-array.prototype.copywithin |
| 1274 // (Array.prototype.copyWithin ( target, start [ , end ] ) |
| 1275 function ArrayCopyWithin(target, start, end) { |
| 1276 CHECK_OBJECT_COERCIBLE(this, "Array.prototype.copyWithin"); |
| 1277 |
| 1278 var array = TO_OBJECT(this); |
| 1279 var length = TO_LENGTH(array.length); |
| 1280 |
1274 target = TO_INTEGER(target); | 1281 target = TO_INTEGER(target); |
1275 var to; | 1282 var to; |
1276 if (target < 0) { | 1283 if (target < 0) { |
1277 to = MaxSimple(length + target, 0); | 1284 to = MaxSimple(length + target, 0); |
1278 } else { | 1285 } else { |
1279 to = MinSimple(target, length); | 1286 to = MinSimple(target, length); |
1280 } | 1287 } |
1281 | 1288 |
1282 start = TO_INTEGER(start); | 1289 start = TO_INTEGER(start); |
1283 var from; | 1290 var from; |
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1311 } | 1318 } |
1312 from = from + direction; | 1319 from = from + direction; |
1313 to = to + direction; | 1320 to = to + direction; |
1314 count--; | 1321 count--; |
1315 } | 1322 } |
1316 | 1323 |
1317 return array; | 1324 return array; |
1318 } | 1325 } |
1319 | 1326 |
1320 | 1327 |
1321 // ES6 draft 03-17-15, section 22.1.3.3 | |
1322 function ArrayCopyWithin(target, start, end) { | |
1323 CHECK_OBJECT_COERCIBLE(this, "Array.prototype.copyWithin"); | |
1324 | |
1325 var array = TO_OBJECT(this); | |
1326 var length = TO_LENGTH(array.length); | |
1327 | |
1328 return InnerArrayCopyWithin(target, start, end, array, length); | |
1329 } | |
1330 | |
1331 | |
1332 function InnerArrayFind(predicate, thisArg, array, length) { | 1328 function InnerArrayFind(predicate, thisArg, array, length) { |
1333 if (!IS_CALLABLE(predicate)) { | 1329 if (!IS_CALLABLE(predicate)) { |
1334 throw %make_type_error(kCalledNonCallable, predicate); | 1330 throw %make_type_error(kCalledNonCallable, predicate); |
1335 } | 1331 } |
1336 | 1332 |
1337 for (var i = 0; i < length; i++) { | 1333 for (var i = 0; i < length; i++) { |
1338 var element = array[i]; | 1334 var element = array[i]; |
1339 if (%_Call(predicate, thisArg, element, i, array)) { | 1335 if (%_Call(predicate, thisArg, element, i, array)) { |
1340 return element; | 1336 return element; |
1341 } | 1337 } |
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1618 | 1614 |
1619 // ------------------------------------------------------------------- | 1615 // ------------------------------------------------------------------- |
1620 // Exports | 1616 // Exports |
1621 | 1617 |
1622 utils.Export(function(to) { | 1618 utils.Export(function(to) { |
1623 to.ArrayFrom = ArrayFrom; | 1619 to.ArrayFrom = ArrayFrom; |
1624 to.ArrayJoin = ArrayJoin; | 1620 to.ArrayJoin = ArrayJoin; |
1625 to.ArrayPush = ArrayPush; | 1621 to.ArrayPush = ArrayPush; |
1626 to.ArrayToString = ArrayToString; | 1622 to.ArrayToString = ArrayToString; |
1627 to.ArrayValues = IteratorFunctions.values, | 1623 to.ArrayValues = IteratorFunctions.values, |
1628 to.InnerArrayCopyWithin = InnerArrayCopyWithin; | |
1629 to.InnerArrayEvery = InnerArrayEvery; | 1624 to.InnerArrayEvery = InnerArrayEvery; |
1630 to.InnerArrayFill = InnerArrayFill; | 1625 to.InnerArrayFill = InnerArrayFill; |
1631 to.InnerArrayFilter = InnerArrayFilter; | 1626 to.InnerArrayFilter = InnerArrayFilter; |
1632 to.InnerArrayFind = InnerArrayFind; | 1627 to.InnerArrayFind = InnerArrayFind; |
1633 to.InnerArrayFindIndex = InnerArrayFindIndex; | 1628 to.InnerArrayFindIndex = InnerArrayFindIndex; |
1634 to.InnerArrayForEach = InnerArrayForEach; | 1629 to.InnerArrayForEach = InnerArrayForEach; |
1635 to.InnerArrayJoin = InnerArrayJoin; | 1630 to.InnerArrayJoin = InnerArrayJoin; |
1636 to.InnerArrayLastIndexOf = InnerArrayLastIndexOf; | 1631 to.InnerArrayLastIndexOf = InnerArrayLastIndexOf; |
1637 to.InnerArrayReduce = InnerArrayReduce; | 1632 to.InnerArrayReduce = InnerArrayReduce; |
1638 to.InnerArrayReduceRight = InnerArrayReduceRight; | 1633 to.InnerArrayReduceRight = InnerArrayReduceRight; |
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1649 "array_pop", ArrayPop, | 1644 "array_pop", ArrayPop, |
1650 "array_push", ArrayPush, | 1645 "array_push", ArrayPush, |
1651 "array_shift", ArrayShift, | 1646 "array_shift", ArrayShift, |
1652 "array_splice", ArraySplice, | 1647 "array_splice", ArraySplice, |
1653 "array_slice", ArraySlice, | 1648 "array_slice", ArraySlice, |
1654 "array_unshift", ArrayUnshift, | 1649 "array_unshift", ArrayUnshift, |
1655 "array_values_iterator", IteratorFunctions.values, | 1650 "array_values_iterator", IteratorFunctions.values, |
1656 ]); | 1651 ]); |
1657 | 1652 |
1658 }); | 1653 }); |
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