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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 "use strict"; | 5 "use strict"; |
6 | 6 |
7 // This file relies on the fact that the following declarations have been made | 7 // This file relies on the fact that the following declarations have been made |
8 // in runtime.js: | 8 // in runtime.js: |
9 // var $Array = global.Array; | 9 // var $Array = global.Array; |
10 | 10 |
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1135 // preserving the semantics, since the calls to the receiver function can add | 1135 // preserving the semantics, since the calls to the receiver function can add |
1136 // or delete elements from the array. | 1136 // or delete elements from the array. |
1137 function ArrayFilter(f, receiver) { | 1137 function ArrayFilter(f, receiver) { |
1138 CHECK_OBJECT_COERCIBLE(this, "Array.prototype.filter"); | 1138 CHECK_OBJECT_COERCIBLE(this, "Array.prototype.filter"); |
1139 | 1139 |
1140 // Pull out the length so that modifications to the length in the | 1140 // Pull out the length so that modifications to the length in the |
1141 // loop will not affect the looping and side effects are visible. | 1141 // loop will not affect the looping and side effects are visible. |
1142 var array = ToObject(this); | 1142 var array = ToObject(this); |
1143 var length = ToUint32(array.length); | 1143 var length = ToUint32(array.length); |
1144 | 1144 |
1145 if (!IS_SPEC_FUNCTION(f)) { | 1145 if (!IS_SPEC_FUNCTION(f)) throw MakeTypeError(kCalledNonCallable, f); |
1146 throw MakeTypeError('called_non_callable', [ f ]); | |
1147 } | |
1148 var needs_wrapper = false; | 1146 var needs_wrapper = false; |
1149 if (IS_NULL_OR_UNDEFINED(receiver)) { | 1147 if (IS_NULL_OR_UNDEFINED(receiver)) { |
1150 receiver = %GetDefaultReceiver(f) || receiver; | 1148 receiver = %GetDefaultReceiver(f) || receiver; |
1151 } else { | 1149 } else { |
1152 needs_wrapper = SHOULD_CREATE_WRAPPER(f, receiver); | 1150 needs_wrapper = SHOULD_CREATE_WRAPPER(f, receiver); |
1153 } | 1151 } |
1154 | 1152 |
1155 var result = new $Array(); | 1153 var result = new $Array(); |
1156 var accumulator = new InternalArray(); | 1154 var accumulator = new InternalArray(); |
1157 var accumulator_length = 0; | 1155 var accumulator_length = 0; |
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1174 | 1172 |
1175 | 1173 |
1176 function ArrayForEach(f, receiver) { | 1174 function ArrayForEach(f, receiver) { |
1177 CHECK_OBJECT_COERCIBLE(this, "Array.prototype.forEach"); | 1175 CHECK_OBJECT_COERCIBLE(this, "Array.prototype.forEach"); |
1178 | 1176 |
1179 // Pull out the length so that modifications to the length in the | 1177 // Pull out the length so that modifications to the length in the |
1180 // loop will not affect the looping and side effects are visible. | 1178 // loop will not affect the looping and side effects are visible. |
1181 var array = ToObject(this); | 1179 var array = ToObject(this); |
1182 var length = TO_UINT32(array.length); | 1180 var length = TO_UINT32(array.length); |
1183 | 1181 |
1184 if (!IS_SPEC_FUNCTION(f)) { | 1182 if (!IS_SPEC_FUNCTION(f)) throw MakeTypeError(kCalledNonCallable, f); |
1185 throw MakeTypeError('called_non_callable', [ f ]); | |
1186 } | |
1187 var needs_wrapper = false; | 1183 var needs_wrapper = false; |
1188 if (IS_NULL_OR_UNDEFINED(receiver)) { | 1184 if (IS_NULL_OR_UNDEFINED(receiver)) { |
1189 receiver = %GetDefaultReceiver(f) || receiver; | 1185 receiver = %GetDefaultReceiver(f) || receiver; |
1190 } else { | 1186 } else { |
1191 needs_wrapper = SHOULD_CREATE_WRAPPER(f, receiver); | 1187 needs_wrapper = SHOULD_CREATE_WRAPPER(f, receiver); |
1192 } | 1188 } |
1193 | 1189 |
1194 var is_array = IS_ARRAY(array); | 1190 var is_array = IS_ARRAY(array); |
1195 var stepping = DEBUG_IS_ACTIVE && %DebugCallbackSupportsStepping(f); | 1191 var stepping = DEBUG_IS_ACTIVE && %DebugCallbackSupportsStepping(f); |
1196 for (var i = 0; i < length; i++) { | 1192 for (var i = 0; i < length; i++) { |
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1208 // Executes the function once for each element present in the | 1204 // Executes the function once for each element present in the |
1209 // array until it finds one where callback returns true. | 1205 // array until it finds one where callback returns true. |
1210 function ArraySome(f, receiver) { | 1206 function ArraySome(f, receiver) { |
1211 CHECK_OBJECT_COERCIBLE(this, "Array.prototype.some"); | 1207 CHECK_OBJECT_COERCIBLE(this, "Array.prototype.some"); |
1212 | 1208 |
1213 // Pull out the length so that modifications to the length in the | 1209 // Pull out the length so that modifications to the length in the |
1214 // loop will not affect the looping and side effects are visible. | 1210 // loop will not affect the looping and side effects are visible. |
1215 var array = ToObject(this); | 1211 var array = ToObject(this); |
1216 var length = TO_UINT32(array.length); | 1212 var length = TO_UINT32(array.length); |
1217 | 1213 |
1218 if (!IS_SPEC_FUNCTION(f)) { | 1214 if (!IS_SPEC_FUNCTION(f)) throw MakeTypeError(kCalledNonCallable, f); |
1219 throw MakeTypeError('called_non_callable', [ f ]); | |
1220 } | |
1221 var needs_wrapper = false; | 1215 var needs_wrapper = false; |
1222 if (IS_NULL_OR_UNDEFINED(receiver)) { | 1216 if (IS_NULL_OR_UNDEFINED(receiver)) { |
1223 receiver = %GetDefaultReceiver(f) || receiver; | 1217 receiver = %GetDefaultReceiver(f) || receiver; |
1224 } else { | 1218 } else { |
1225 needs_wrapper = SHOULD_CREATE_WRAPPER(f, receiver); | 1219 needs_wrapper = SHOULD_CREATE_WRAPPER(f, receiver); |
1226 } | 1220 } |
1227 | 1221 |
1228 var is_array = IS_ARRAY(array); | 1222 var is_array = IS_ARRAY(array); |
1229 var stepping = DEBUG_IS_ACTIVE && %DebugCallbackSupportsStepping(f); | 1223 var stepping = DEBUG_IS_ACTIVE && %DebugCallbackSupportsStepping(f); |
1230 for (var i = 0; i < length; i++) { | 1224 for (var i = 0; i < length; i++) { |
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1241 | 1235 |
1242 | 1236 |
1243 function ArrayEvery(f, receiver) { | 1237 function ArrayEvery(f, receiver) { |
1244 CHECK_OBJECT_COERCIBLE(this, "Array.prototype.every"); | 1238 CHECK_OBJECT_COERCIBLE(this, "Array.prototype.every"); |
1245 | 1239 |
1246 // Pull out the length so that modifications to the length in the | 1240 // Pull out the length so that modifications to the length in the |
1247 // loop will not affect the looping and side effects are visible. | 1241 // loop will not affect the looping and side effects are visible. |
1248 var array = ToObject(this); | 1242 var array = ToObject(this); |
1249 var length = TO_UINT32(array.length); | 1243 var length = TO_UINT32(array.length); |
1250 | 1244 |
1251 if (!IS_SPEC_FUNCTION(f)) { | 1245 if (!IS_SPEC_FUNCTION(f)) throw MakeTypeError(kCalledNonCallable, f); |
1252 throw MakeTypeError('called_non_callable', [ f ]); | |
1253 } | |
1254 var needs_wrapper = false; | 1246 var needs_wrapper = false; |
1255 if (IS_NULL_OR_UNDEFINED(receiver)) { | 1247 if (IS_NULL_OR_UNDEFINED(receiver)) { |
1256 receiver = %GetDefaultReceiver(f) || receiver; | 1248 receiver = %GetDefaultReceiver(f) || receiver; |
1257 } else { | 1249 } else { |
1258 needs_wrapper = SHOULD_CREATE_WRAPPER(f, receiver); | 1250 needs_wrapper = SHOULD_CREATE_WRAPPER(f, receiver); |
1259 } | 1251 } |
1260 | 1252 |
1261 var is_array = IS_ARRAY(array); | 1253 var is_array = IS_ARRAY(array); |
1262 var stepping = DEBUG_IS_ACTIVE && %DebugCallbackSupportsStepping(f); | 1254 var stepping = DEBUG_IS_ACTIVE && %DebugCallbackSupportsStepping(f); |
1263 for (var i = 0; i < length; i++) { | 1255 for (var i = 0; i < length; i++) { |
1264 if (HAS_INDEX(array, i, is_array)) { | 1256 if (HAS_INDEX(array, i, is_array)) { |
1265 var element = array[i]; | 1257 var element = array[i]; |
1266 // Prepare break slots for debugger step in. | 1258 // Prepare break slots for debugger step in. |
1267 if (stepping) %DebugPrepareStepInIfStepping(f); | 1259 if (stepping) %DebugPrepareStepInIfStepping(f); |
1268 var new_receiver = needs_wrapper ? ToObject(receiver) : receiver; | 1260 var new_receiver = needs_wrapper ? ToObject(receiver) : receiver; |
1269 if (!%_CallFunction(new_receiver, element, i, array, f)) return false; | 1261 if (!%_CallFunction(new_receiver, element, i, array, f)) return false; |
1270 } | 1262 } |
1271 } | 1263 } |
1272 return true; | 1264 return true; |
1273 } | 1265 } |
1274 | 1266 |
1275 function ArrayMap(f, receiver) { | 1267 function ArrayMap(f, receiver) { |
1276 CHECK_OBJECT_COERCIBLE(this, "Array.prototype.map"); | 1268 CHECK_OBJECT_COERCIBLE(this, "Array.prototype.map"); |
1277 | 1269 |
1278 // Pull out the length so that modifications to the length in the | 1270 // Pull out the length so that modifications to the length in the |
1279 // loop will not affect the looping and side effects are visible. | 1271 // loop will not affect the looping and side effects are visible. |
1280 var array = ToObject(this); | 1272 var array = ToObject(this); |
1281 var length = TO_UINT32(array.length); | 1273 var length = TO_UINT32(array.length); |
1282 | 1274 |
1283 if (!IS_SPEC_FUNCTION(f)) { | 1275 if (!IS_SPEC_FUNCTION(f)) throw MakeTypeError(kCalledNonCallable, f); |
1284 throw MakeTypeError('called_non_callable', [ f ]); | |
1285 } | |
1286 var needs_wrapper = false; | 1276 var needs_wrapper = false; |
1287 if (IS_NULL_OR_UNDEFINED(receiver)) { | 1277 if (IS_NULL_OR_UNDEFINED(receiver)) { |
1288 receiver = %GetDefaultReceiver(f) || receiver; | 1278 receiver = %GetDefaultReceiver(f) || receiver; |
1289 } else { | 1279 } else { |
1290 needs_wrapper = SHOULD_CREATE_WRAPPER(f, receiver); | 1280 needs_wrapper = SHOULD_CREATE_WRAPPER(f, receiver); |
1291 } | 1281 } |
1292 | 1282 |
1293 var result = new $Array(); | 1283 var result = new $Array(); |
1294 var accumulator = new InternalArray(length); | 1284 var accumulator = new InternalArray(length); |
1295 var is_array = IS_ARRAY(array); | 1285 var is_array = IS_ARRAY(array); |
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1420 | 1410 |
1421 function ArrayReduce(callback, current) { | 1411 function ArrayReduce(callback, current) { |
1422 CHECK_OBJECT_COERCIBLE(this, "Array.prototype.reduce"); | 1412 CHECK_OBJECT_COERCIBLE(this, "Array.prototype.reduce"); |
1423 | 1413 |
1424 // Pull out the length so that modifications to the length in the | 1414 // Pull out the length so that modifications to the length in the |
1425 // loop will not affect the looping and side effects are visible. | 1415 // loop will not affect the looping and side effects are visible. |
1426 var array = ToObject(this); | 1416 var array = ToObject(this); |
1427 var length = ToUint32(array.length); | 1417 var length = ToUint32(array.length); |
1428 | 1418 |
1429 if (!IS_SPEC_FUNCTION(callback)) { | 1419 if (!IS_SPEC_FUNCTION(callback)) { |
1430 throw MakeTypeError('called_non_callable', [callback]); | 1420 throw MakeTypeError(kCalledNonCallable, callback); |
1431 } | 1421 } |
1432 | 1422 |
1433 var is_array = IS_ARRAY(array); | 1423 var is_array = IS_ARRAY(array); |
1434 var i = 0; | 1424 var i = 0; |
1435 find_initial: if (%_ArgumentsLength() < 2) { | 1425 find_initial: if (%_ArgumentsLength() < 2) { |
1436 for (; i < length; i++) { | 1426 for (; i < length; i++) { |
1437 if (HAS_INDEX(array, i, is_array)) { | 1427 if (HAS_INDEX(array, i, is_array)) { |
1438 current = array[i++]; | 1428 current = array[i++]; |
1439 break find_initial; | 1429 break find_initial; |
1440 } | 1430 } |
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1457 | 1447 |
1458 function ArrayReduceRight(callback, current) { | 1448 function ArrayReduceRight(callback, current) { |
1459 CHECK_OBJECT_COERCIBLE(this, "Array.prototype.reduceRight"); | 1449 CHECK_OBJECT_COERCIBLE(this, "Array.prototype.reduceRight"); |
1460 | 1450 |
1461 // Pull out the length so that side effects are visible before the | 1451 // Pull out the length so that side effects are visible before the |
1462 // callback function is checked. | 1452 // callback function is checked. |
1463 var array = ToObject(this); | 1453 var array = ToObject(this); |
1464 var length = ToUint32(array.length); | 1454 var length = ToUint32(array.length); |
1465 | 1455 |
1466 if (!IS_SPEC_FUNCTION(callback)) { | 1456 if (!IS_SPEC_FUNCTION(callback)) { |
1467 throw MakeTypeError('called_non_callable', [callback]); | 1457 throw MakeTypeError(kCalledNonCallable, callback); |
1468 } | 1458 } |
1469 | 1459 |
1470 var is_array = IS_ARRAY(array); | 1460 var is_array = IS_ARRAY(array); |
1471 var i = length - 1; | 1461 var i = length - 1; |
1472 find_initial: if (%_ArgumentsLength() < 2) { | 1462 find_initial: if (%_ArgumentsLength() < 2) { |
1473 for (; i >= 0; i--) { | 1463 for (; i >= 0; i--) { |
1474 if (HAS_INDEX(array, i, is_array)) { | 1464 if (HAS_INDEX(array, i, is_array)) { |
1475 current = array[i--]; | 1465 current = array[i--]; |
1476 break find_initial; | 1466 break find_initial; |
1477 } | 1467 } |
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1581 ]); | 1571 ]); |
1582 | 1572 |
1583 SetUpLockedPrototype(InternalPackedArray, $Array(), [ | 1573 SetUpLockedPrototype(InternalPackedArray, $Array(), [ |
1584 "join", getFunction("join", ArrayJoin), | 1574 "join", getFunction("join", ArrayJoin), |
1585 "pop", getFunction("pop", ArrayPop), | 1575 "pop", getFunction("pop", ArrayPop), |
1586 "push", getFunction("push", ArrayPush) | 1576 "push", getFunction("push", ArrayPush) |
1587 ]); | 1577 ]); |
1588 } | 1578 } |
1589 | 1579 |
1590 SetUpArray(); | 1580 SetUpArray(); |
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