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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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1119 // Pull out the length so that modifications to the length in the | 1119 // Pull out the length so that modifications to the length in the |
1120 // loop will not affect the looping and side effects are visible. | 1120 // loop will not affect the looping and side effects are visible. |
1121 var array = ToObject(this); | 1121 var array = ToObject(this); |
1122 var length = ToUint32(array.length); | 1122 var length = ToUint32(array.length); |
1123 | 1123 |
1124 if (!IS_SPEC_FUNCTION(f)) { | 1124 if (!IS_SPEC_FUNCTION(f)) { |
1125 throw MakeTypeError('called_non_callable', [ f ]); | 1125 throw MakeTypeError('called_non_callable', [ f ]); |
1126 } | 1126 } |
1127 if (IS_NULL_OR_UNDEFINED(receiver)) { | 1127 if (IS_NULL_OR_UNDEFINED(receiver)) { |
1128 receiver = %GetDefaultReceiver(f) || receiver; | 1128 receiver = %GetDefaultReceiver(f) || receiver; |
1129 } else if (!IS_SPEC_OBJECT(receiver) && %IsSloppyModeFunction(f)) { | |
1130 receiver = ToObject(receiver); | |
1131 } | 1129 } |
1130 var needs_wrapper = SHOULD_CREATE_WRAPPER(f, receiver); | |
1132 | 1131 |
1133 var result = new $Array(); | 1132 var result = new $Array(); |
1134 var accumulator = new InternalArray(); | 1133 var accumulator = new InternalArray(); |
1135 var accumulator_length = 0; | 1134 var accumulator_length = 0; |
1136 var stepping = DEBUG_IS_ACTIVE && %DebugCallbackSupportsStepping(f); | 1135 var stepping = DEBUG_IS_ACTIVE && %DebugCallbackSupportsStepping(f); |
1137 for (var i = 0; i < length; i++) { | 1136 for (var i = 0; i < length; i++) { |
1138 if (i in array) { | 1137 if (i in array) { |
1139 var element = array[i]; | 1138 var element = array[i]; |
1140 // Prepare break slots for debugger step in. | 1139 // Prepare break slots for debugger step in. |
1141 if (stepping) %DebugPrepareStepInIfStepping(f); | 1140 if (stepping) %DebugPrepareStepInIfStepping(f); |
1142 if (%_CallFunction(receiver, element, i, array, f)) { | 1141 var new_receiver = needs_wrapper ? ToObject(receiver) : receiver; |
1142 if (%_CallFunction(new_receiver, element, i, array, f)) { | |
1143 accumulator[accumulator_length++] = element; | 1143 accumulator[accumulator_length++] = element; |
1144 } | 1144 } |
1145 } | 1145 } |
1146 } | 1146 } |
1147 %MoveArrayContents(accumulator, result); | 1147 %MoveArrayContents(accumulator, result); |
1148 return result; | 1148 return result; |
1149 } | 1149 } |
1150 | 1150 |
1151 | 1151 |
1152 function ArrayForEach(f, receiver) { | 1152 function ArrayForEach(f, receiver) { |
1153 CHECK_OBJECT_COERCIBLE(this, "Array.prototype.forEach"); | 1153 CHECK_OBJECT_COERCIBLE(this, "Array.prototype.forEach"); |
1154 | 1154 |
1155 // Pull out the length so that modifications to the length in the | 1155 // Pull out the length so that modifications to the length in the |
1156 // loop will not affect the looping and side effects are visible. | 1156 // loop will not affect the looping and side effects are visible. |
1157 var array = ToObject(this); | 1157 var array = ToObject(this); |
1158 var length = TO_UINT32(array.length); | 1158 var length = TO_UINT32(array.length); |
1159 | 1159 |
1160 if (!IS_SPEC_FUNCTION(f)) { | 1160 if (!IS_SPEC_FUNCTION(f)) { |
1161 throw MakeTypeError('called_non_callable', [ f ]); | 1161 throw MakeTypeError('called_non_callable', [ f ]); |
1162 } | 1162 } |
1163 if (IS_NULL_OR_UNDEFINED(receiver)) { | 1163 if (IS_NULL_OR_UNDEFINED(receiver)) { |
1164 receiver = %GetDefaultReceiver(f) || receiver; | 1164 receiver = %GetDefaultReceiver(f) || receiver; |
1165 } else if (!IS_SPEC_OBJECT(receiver) && %IsSloppyModeFunction(f)) { | |
1166 receiver = ToObject(receiver); | |
1167 } | 1165 } |
1166 var needs_wrapper = SHOULD_CREATE_WRAPPER(f, receiver); | |
1168 | 1167 |
1169 var stepping = DEBUG_IS_ACTIVE && %DebugCallbackSupportsStepping(f); | 1168 var stepping = DEBUG_IS_ACTIVE && %DebugCallbackSupportsStepping(f); |
1170 for (var i = 0; i < length; i++) { | 1169 for (var i = 0; i < length; i++) { |
1171 if (i in array) { | 1170 if (i in array) { |
1172 var element = array[i]; | 1171 var element = array[i]; |
1173 // Prepare break slots for debugger step in. | 1172 // Prepare break slots for debugger step in. |
1174 if (stepping) %DebugPrepareStepInIfStepping(f); | 1173 if (stepping) %DebugPrepareStepInIfStepping(f); |
1175 %_CallFunction(receiver, element, i, array, f); | 1174 var new_receiver = needs_wrapper ? ToObject(receiver) : receiver; |
1175 %_CallFunction(new_receiver, element, i, array, f); | |
1176 } | 1176 } |
1177 } | 1177 } |
1178 } | 1178 } |
1179 | 1179 |
1180 | 1180 |
1181 // Executes the function once for each element present in the | 1181 // Executes the function once for each element present in the |
1182 // array until it finds one where callback returns true. | 1182 // array until it finds one where callback returns true. |
1183 function ArraySome(f, receiver) { | 1183 function ArraySome(f, receiver) { |
1184 CHECK_OBJECT_COERCIBLE(this, "Array.prototype.some"); | 1184 CHECK_OBJECT_COERCIBLE(this, "Array.prototype.some"); |
1185 | 1185 |
1186 // Pull out the length so that modifications to the length in the | 1186 // Pull out the length so that modifications to the length in the |
1187 // loop will not affect the looping and side effects are visible. | 1187 // loop will not affect the looping and side effects are visible. |
1188 var array = ToObject(this); | 1188 var array = ToObject(this); |
1189 var length = TO_UINT32(array.length); | 1189 var length = TO_UINT32(array.length); |
1190 | 1190 |
1191 if (!IS_SPEC_FUNCTION(f)) { | 1191 if (!IS_SPEC_FUNCTION(f)) { |
1192 throw MakeTypeError('called_non_callable', [ f ]); | 1192 throw MakeTypeError('called_non_callable', [ f ]); |
1193 } | 1193 } |
1194 if (IS_NULL_OR_UNDEFINED(receiver)) { | 1194 if (IS_NULL_OR_UNDEFINED(receiver)) { |
1195 receiver = %GetDefaultReceiver(f) || receiver; | 1195 receiver = %GetDefaultReceiver(f) || receiver; |
1196 } else if (!IS_SPEC_OBJECT(receiver) && %IsSloppyModeFunction(f)) { | |
1197 receiver = ToObject(receiver); | |
1198 } | 1196 } |
1197 var needs_wrapper = SHOULD_CREATE_WRAPPER(f, receiver); | |
1199 | 1198 |
1200 var stepping = DEBUG_IS_ACTIVE && %DebugCallbackSupportsStepping(f); | 1199 var stepping = DEBUG_IS_ACTIVE && %DebugCallbackSupportsStepping(f); |
1201 for (var i = 0; i < length; i++) { | 1200 for (var i = 0; i < length; i++) { |
1202 if (i in array) { | 1201 if (i in array) { |
1203 var element = array[i]; | 1202 var element = array[i]; |
1204 // Prepare break slots for debugger step in. | 1203 // Prepare break slots for debugger step in. |
1205 if (stepping) %DebugPrepareStepInIfStepping(f); | 1204 if (stepping) %DebugPrepareStepInIfStepping(f); |
1206 if (%_CallFunction(receiver, element, i, array, f)) return true; | 1205 var new_receiver = needs_wrapper ? ToObject(receiver) : receiver; |
1206 if (%_CallFunction(new_receiver, element, i, array, f)) return true; | |
1207 } | 1207 } |
1208 } | 1208 } |
1209 return false; | 1209 return false; |
1210 } | 1210 } |
1211 | 1211 |
1212 | 1212 |
1213 function ArrayEvery(f, receiver) { | 1213 function ArrayEvery(f, receiver) { |
1214 CHECK_OBJECT_COERCIBLE(this, "Array.prototype.every"); | 1214 CHECK_OBJECT_COERCIBLE(this, "Array.prototype.every"); |
1215 | 1215 |
1216 // Pull out the length so that modifications to the length in the | 1216 // Pull out the length so that modifications to the length in the |
1217 // loop will not affect the looping and side effects are visible. | 1217 // loop will not affect the looping and side effects are visible. |
1218 var array = ToObject(this); | 1218 var array = ToObject(this); |
1219 var length = TO_UINT32(array.length); | 1219 var length = TO_UINT32(array.length); |
1220 | 1220 |
1221 if (!IS_SPEC_FUNCTION(f)) { | 1221 if (!IS_SPEC_FUNCTION(f)) { |
1222 throw MakeTypeError('called_non_callable', [ f ]); | 1222 throw MakeTypeError('called_non_callable', [ f ]); |
1223 } | 1223 } |
1224 if (IS_NULL_OR_UNDEFINED(receiver)) { | 1224 if (IS_NULL_OR_UNDEFINED(receiver)) { |
1225 receiver = %GetDefaultReceiver(f) || receiver; | 1225 receiver = %GetDefaultReceiver(f) || receiver; |
1226 } else if (!IS_SPEC_OBJECT(receiver) && %IsSloppyModeFunction(f)) { | |
1227 receiver = ToObject(receiver); | |
1228 } | 1226 } |
1227 var needs_wrapper = SHOULD_CREATE_WRAPPER(f, receiver); | |
1229 | 1228 |
1230 var stepping = DEBUG_IS_ACTIVE && %DebugCallbackSupportsStepping(f); | 1229 var stepping = DEBUG_IS_ACTIVE && %DebugCallbackSupportsStepping(f); |
1231 for (var i = 0; i < length; i++) { | 1230 for (var i = 0; i < length; i++) { |
1232 if (i in array) { | 1231 if (i in array) { |
1233 var element = array[i]; | 1232 var element = array[i]; |
1234 // Prepare break slots for debugger step in. | 1233 // Prepare break slots for debugger step in. |
1235 if (stepping) %DebugPrepareStepInIfStepping(f); | 1234 if (stepping) %DebugPrepareStepInIfStepping(f); |
1236 if (!%_CallFunction(receiver, element, i, array, f)) return false; | 1235 var new_receiver = needs_wrapper ? ToObject(receiver) : receiver; |
1236 if (!%_CallFunction(new_receiver, element, i, array, f)) return false; | |
1237 } | 1237 } |
1238 } | 1238 } |
1239 return true; | 1239 return true; |
1240 } | 1240 } |
1241 | 1241 |
1242 function ArrayMap(f, receiver) { | 1242 function ArrayMap(f, receiver) { |
1243 CHECK_OBJECT_COERCIBLE(this, "Array.prototype.map"); | 1243 CHECK_OBJECT_COERCIBLE(this, "Array.prototype.map"); |
1244 | 1244 |
1245 // Pull out the length so that modifications to the length in the | 1245 // Pull out the length so that modifications to the length in the |
1246 // loop will not affect the looping and side effects are visible. | 1246 // loop will not affect the looping and side effects are visible. |
1247 var array = ToObject(this); | 1247 var array = ToObject(this); |
1248 var length = TO_UINT32(array.length); | 1248 var length = TO_UINT32(array.length); |
1249 | 1249 |
1250 if (!IS_SPEC_FUNCTION(f)) { | 1250 if (!IS_SPEC_FUNCTION(f)) { |
1251 throw MakeTypeError('called_non_callable', [ f ]); | 1251 throw MakeTypeError('called_non_callable', [ f ]); |
1252 } | 1252 } |
1253 if (IS_NULL_OR_UNDEFINED(receiver)) { | 1253 if (IS_NULL_OR_UNDEFINED(receiver)) { |
1254 receiver = %GetDefaultReceiver(f) || receiver; | 1254 receiver = %GetDefaultReceiver(f) || receiver; |
1255 } else if (!IS_SPEC_OBJECT(receiver) && %IsSloppyModeFunction(f)) { | |
1256 receiver = ToObject(receiver); | |
1257 } | 1255 } |
1256 var needs_wrapper = SHOULD_CREATE_WRAPPER(f, receiver); | |
1258 | 1257 |
1259 var result = new $Array(); | 1258 var result = new $Array(); |
1260 var accumulator = new InternalArray(length); | 1259 var accumulator = new InternalArray(length); |
1261 var stepping = DEBUG_IS_ACTIVE && %DebugCallbackSupportsStepping(f); | 1260 var stepping = DEBUG_IS_ACTIVE && %DebugCallbackSupportsStepping(f); |
1262 for (var i = 0; i < length; i++) { | 1261 for (var i = 0; i < length; i++) { |
1263 if (i in array) { | 1262 if (i in array) { |
1264 var element = array[i]; | 1263 var element = array[i]; |
1265 // Prepare break slots for debugger step in. | 1264 // Prepare break slots for debugger step in. |
1266 if (stepping) %DebugPrepareStepInIfStepping(f); | 1265 if (stepping) %DebugPrepareStepInIfStepping(f); |
1267 accumulator[i] = %_CallFunction(receiver, element, i, array, f); | 1266 var new_receiver = needs_wrapper ? ToObject(receiver) : receiver; |
1267 accumulator[i] = %_CallFunction(new_receiver, element, i, array, f); | |
1268 } | 1268 } |
1269 } | 1269 } |
1270 %MoveArrayContents(accumulator, result); | 1270 %MoveArrayContents(accumulator, result); |
1271 return result; | 1271 return result; |
1272 } | 1272 } |
1273 | 1273 |
1274 | 1274 |
1275 function ArrayIndexOf(element, index) { | 1275 function ArrayIndexOf(element, index) { |
1276 CHECK_OBJECT_COERCIBLE(this, "Array.prototype.indexOf"); | 1276 CHECK_OBJECT_COERCIBLE(this, "Array.prototype.indexOf"); |
1277 | 1277 |
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1403 break find_initial; | 1403 break find_initial; |
1404 } | 1404 } |
1405 } | 1405 } |
1406 throw MakeTypeError('reduce_no_initial', []); | 1406 throw MakeTypeError('reduce_no_initial', []); |
1407 } | 1407 } |
1408 | 1408 |
1409 var receiver = %GetDefaultReceiver(callback); | 1409 var receiver = %GetDefaultReceiver(callback); |
1410 var stepping = DEBUG_IS_ACTIVE && %DebugCallbackSupportsStepping(callback); | 1410 var stepping = DEBUG_IS_ACTIVE && %DebugCallbackSupportsStepping(callback); |
1411 for (; i < length; i++) { | 1411 for (; i < length; i++) { |
1412 if (i in array) { | 1412 if (i in array) { |
1413 var element = array[i]; | 1413 var element = array[i]; |
wingo
2014/09/23 18:39:01
what happened to the ToObject that was here in the
Diego Pino
2014/09/24 10:13:01
I think it doesn't apply in this case or at least
| |
1414 // Prepare break slots for debugger step in. | 1414 // Prepare break slots for debugger step in. |
1415 if (stepping) %DebugPrepareStepInIfStepping(callback); | 1415 if (stepping) %DebugPrepareStepInIfStepping(callback); |
1416 current = %_CallFunction(receiver, current, element, i, array, callback); | 1416 current = %_CallFunction(receiver, current, element, i, array, callback); |
1417 } | 1417 } |
1418 } | 1418 } |
1419 return current; | 1419 return current; |
1420 } | 1420 } |
1421 | 1421 |
1422 function ArrayReduceRight(callback, current) { | 1422 function ArrayReduceRight(callback, current) { |
1423 CHECK_OBJECT_COERCIBLE(this, "Array.prototype.reduceRight"); | 1423 CHECK_OBJECT_COERCIBLE(this, "Array.prototype.reduceRight"); |
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1440 break find_initial; | 1440 break find_initial; |
1441 } | 1441 } |
1442 } | 1442 } |
1443 throw MakeTypeError('reduce_no_initial', []); | 1443 throw MakeTypeError('reduce_no_initial', []); |
1444 } | 1444 } |
1445 | 1445 |
1446 var receiver = %GetDefaultReceiver(callback); | 1446 var receiver = %GetDefaultReceiver(callback); |
1447 var stepping = DEBUG_IS_ACTIVE && %DebugCallbackSupportsStepping(callback); | 1447 var stepping = DEBUG_IS_ACTIVE && %DebugCallbackSupportsStepping(callback); |
1448 for (; i >= 0; i--) { | 1448 for (; i >= 0; i--) { |
1449 if (i in array) { | 1449 if (i in array) { |
1450 var element = array[i]; | 1450 var element = array[i]; |
wingo
2014/09/23 18:39:01
same
| |
1451 // Prepare break slots for debugger step in. | 1451 // Prepare break slots for debugger step in. |
1452 if (stepping) %DebugPrepareStepInIfStepping(callback); | 1452 if (stepping) %DebugPrepareStepInIfStepping(callback); |
1453 current = %_CallFunction(receiver, current, element, i, array, callback); | 1453 current = %_CallFunction(receiver, current, element, i, array, callback); |
1454 } | 1454 } |
1455 } | 1455 } |
1456 return current; | 1456 return current; |
1457 } | 1457 } |
1458 | 1458 |
1459 // ES5, 15.4.3.2 | 1459 // ES5, 15.4.3.2 |
1460 function ArrayIsArray(obj) { | 1460 function ArrayIsArray(obj) { |
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1546 )); | 1546 )); |
1547 | 1547 |
1548 SetUpLockedPrototype(InternalPackedArray, $Array(), $Array( | 1548 SetUpLockedPrototype(InternalPackedArray, $Array(), $Array( |
1549 "join", getFunction("join", ArrayJoin), | 1549 "join", getFunction("join", ArrayJoin), |
1550 "pop", getFunction("pop", ArrayPop), | 1550 "pop", getFunction("pop", ArrayPop), |
1551 "push", getFunction("push", ArrayPush) | 1551 "push", getFunction("push", ArrayPush) |
1552 )); | 1552 )); |
1553 } | 1553 } |
1554 | 1554 |
1555 SetUpArray(); | 1555 SetUpArray(); |
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