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Side by Side Diff: src/harmony-array.js

Issue 1109343004: Wrap v8natives.js into a function. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: alpha sort Created 5 years, 7 months ago
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1 // Copyright 2013 the V8 project authors. All rights reserved. 1 // Copyright 2013 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() { 5 (function() {
6 6
7 'use strict'; 7 'use strict';
8 8
9 %CheckIsBootstrapping(); 9 %CheckIsBootstrapping();
10 10
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166 if (i > length) i = length; 166 if (i > length) i = length;
167 } 167 }
168 168
169 if (end < 0) { 169 if (end < 0) {
170 end += length; 170 end += length;
171 if (end < 0) end = 0; 171 if (end < 0) end = 0;
172 } else { 172 } else {
173 if (end > length) end = length; 173 if (end > length) end = length;
174 } 174 }
175 175
176 if ((end - i) > 0 && ObjectIsFrozen(array)) { 176 if ((end - i) > 0 && $objectIsFrozen(array)) {
177 throw MakeTypeError(kArrayFunctionsOnFrozen); 177 throw MakeTypeError(kArrayFunctionsOnFrozen);
178 } 178 }
179 179
180 for (; i < end; i++) 180 for (; i < end; i++)
181 array[i] = value; 181 array[i] = value;
182 return array; 182 return array;
183 } 183 }
184 184
185 // ES6, draft 10-14-14, section 22.1.2.1 185 // ES6, draft 10-14-14, section 22.1.2.1
186 function ArrayFrom(arrayLike, mapfn, receiver) { 186 function ArrayFrom(arrayLike, mapfn, receiver) {
187 var items = ToObject(arrayLike); 187 var items = ToObject(arrayLike);
188 var mapping = !IS_UNDEFINED(mapfn); 188 var mapping = !IS_UNDEFINED(mapfn);
189 189
190 if (mapping) { 190 if (mapping) {
191 if (!IS_SPEC_FUNCTION(mapfn)) { 191 if (!IS_SPEC_FUNCTION(mapfn)) {
192 throw MakeTypeError(kCalledNonCallable, mapfn); 192 throw MakeTypeError(kCalledNonCallable, mapfn);
193 } else if (IS_NULL_OR_UNDEFINED(receiver)) { 193 } else if (IS_NULL_OR_UNDEFINED(receiver)) {
194 receiver = %GetDefaultReceiver(mapfn) || receiver; 194 receiver = %GetDefaultReceiver(mapfn) || receiver;
195 } else if (!IS_SPEC_OBJECT(receiver) && %IsSloppyModeFunction(mapfn)) { 195 } else if (!IS_SPEC_OBJECT(receiver) && %IsSloppyModeFunction(mapfn)) {
196 receiver = ToObject(receiver); 196 receiver = ToObject(receiver);
197 } 197 }
198 } 198 }
199 199
200 var iterable = GetMethod(items, symbolIterator); 200 var iterable = $getMethod(items, symbolIterator);
201 var k; 201 var k;
202 var result; 202 var result;
203 var mappedValue; 203 var mappedValue;
204 var nextValue; 204 var nextValue;
205 205
206 if (!IS_UNDEFINED(iterable)) { 206 if (!IS_UNDEFINED(iterable)) {
207 result = %IsConstructor(this) ? new this() : []; 207 result = %IsConstructor(this) ? new this() : [];
208 208
209 var iterator = GetIterator(items, iterable); 209 var iterator = $getIterator(items, iterable);
210 210
211 k = 0; 211 k = 0;
212 while (true) { 212 while (true) {
213 var next = iterator.next(); 213 var next = iterator.next();
214 214
215 if (!IS_OBJECT(next)) { 215 if (!IS_OBJECT(next)) {
216 throw MakeTypeError("iterator_result_not_an_object", [next]); 216 throw MakeTypeError("iterator_result_not_an_object", [next]);
217 } 217 }
218 218
219 if (next.done) { 219 if (next.done) {
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256 var array = %IsConstructor(constructor) ? new constructor(length) : []; 256 var array = %IsConstructor(constructor) ? new constructor(length) : [];
257 for (var i = 0; i < length; i++) { 257 for (var i = 0; i < length; i++) {
258 %AddElement(array, i, %_Arguments(i), NONE); 258 %AddElement(array, i, %_Arguments(i), NONE);
259 } 259 }
260 array.length = length; 260 array.length = length;
261 return array; 261 return array;
262 } 262 }
263 263
264 // ------------------------------------------------------------------- 264 // -------------------------------------------------------------------
265 265
266 InstallConstants(GlobalSymbol, [ 266 $installConstants(GlobalSymbol, [
267 // TODO(dslomov, caitp): Move to symbol.js when shipping 267 // TODO(dslomov, caitp): Move to symbol.js when shipping
268 "isConcatSpreadable", symbolIsConcatSpreadable 268 "isConcatSpreadable", symbolIsConcatSpreadable
269 ]); 269 ]);
270 270
271 %FunctionSetLength(ArrayCopyWithin, 2); 271 %FunctionSetLength(ArrayCopyWithin, 2);
272 %FunctionSetLength(ArrayFrom, 1); 272 %FunctionSetLength(ArrayFrom, 1);
273 273
274 // Set up non-enumerable functions on the Array object. 274 // Set up non-enumerable functions on the Array object.
275 InstallFunctions(GlobalArray, DONT_ENUM, [ 275 $installFunctions(GlobalArray, DONT_ENUM, [
276 "from", ArrayFrom, 276 "from", ArrayFrom,
277 "of", ArrayOf 277 "of", ArrayOf
278 ]); 278 ]);
279 279
280 // Set up the non-enumerable functions on the Array prototype object. 280 // Set up the non-enumerable functions on the Array prototype object.
281 InstallFunctions(GlobalArray.prototype, DONT_ENUM, [ 281 $installFunctions(GlobalArray.prototype, DONT_ENUM, [
282 "copyWithin", ArrayCopyWithin, 282 "copyWithin", ArrayCopyWithin,
283 "find", ArrayFind, 283 "find", ArrayFind,
284 "findIndex", ArrayFindIndex, 284 "findIndex", ArrayFindIndex,
285 "fill", ArrayFill 285 "fill", ArrayFill
286 ]); 286 ]);
287 287
288 })(); 288 })();
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