[typedarrays] Implement %TypedArray%.prototype.reverse in C++

src/js/typedarray.js

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 (function(global, utils) {
 
 "use strict";
 
 %CheckIsBootstrapping();
 
@@ skipping 11 matching lines @@
 var GlobalObject = global.Object;
 var InnerArrayFilter;
 var InnerArrayFind;
 var InnerArrayFindIndex;
 var InnerArrayJoin;
 var InnerArraySort;
 var InnerArrayToLocaleString;
 var InternalArray = utils.InternalArray;
 var MaxSimple;
 var MinSimple;
-var PackedArrayReverse;
 var SpeciesConstructor;
 var ToPositiveInteger;
 var ToIndex;
 var iteratorSymbol = utils.ImportNow("iterator_symbol");
 var toStringTagSymbol = utils.ImportNow("to_string_tag_symbol");
 
 macro TYPED_ARRAYS(FUNCTION)
 // arrayIds below should be synchronized with Runtime_TypedArrayInitialize.
 FUNCTION(1, Uint8Array, 1)
 FUNCTION(2, Int8Array, 1)
@@ skipping 19 matching lines @@
   GetIterator = from.GetIterator;
   GetMethod = from.GetMethod;
   InnerArrayFilter = from.InnerArrayFilter;
   InnerArrayFind = from.InnerArrayFind;
   InnerArrayFindIndex = from.InnerArrayFindIndex;
   InnerArrayJoin = from.InnerArrayJoin;
   InnerArraySort = from.InnerArraySort;
   InnerArrayToLocaleString = from.InnerArrayToLocaleString;
   MaxSimple = from.MaxSimple;
   MinSimple = from.MinSimple;
-  PackedArrayReverse = from.PackedArrayReverse;
   SpeciesConstructor = from.SpeciesConstructor;
   ToPositiveInteger = from.ToPositiveInteger;
   ToIndex = from.ToIndex;
 });
 
 // --------------- Typed Arrays ---------------------
 
 function TypedArrayDefaultConstructor(typedArray) {
   switch (%_ClassOf(typedArray)) {
 macro TYPED_ARRAY_CONSTRUCTOR_CASE(ARRAY_ID, NAME, ELEMENT_SIZE)
@@ skipping 342 matching lines @@
 function TypedArrayFindIndex(predicate, thisArg) {
   if (!IS_TYPEDARRAY(this)) throw %make_type_error(kNotTypedArray);
 
   var length = %_TypedArrayGetLength(this);
 
   return InnerArrayFindIndex(predicate, thisArg, this, length);
 }
 %FunctionSetLength(TypedArrayFindIndex, 1);
 
 
-// ES6 draft 05-18-15, section 22.2.3.21
-function TypedArrayReverse() {
-  if (!IS_TYPEDARRAY(this)) throw %make_type_error(kNotTypedArray);
-
-  var length = %_TypedArrayGetLength(this);
-
-  return PackedArrayReverse(this, length);
-}
-
 // ES6 draft 05-18-15, section 22.2.3.25
 function TypedArraySort(comparefn) {
   if (!IS_TYPEDARRAY(this)) throw %make_type_error(kNotTypedArray);
 
   var length = %_TypedArrayGetLength(this);
 
   if (IS_UNDEFINED(comparefn)) {
     return %TypedArraySortFast(this);
   }
 
@@ skipping 251 matching lines @@
   "set", TypedArraySet,
   "every", TypedArrayEvery,
   "filter", TypedArrayFilter,
   "find", TypedArrayFind,
   "findIndex", TypedArrayFindIndex,
   "join", TypedArrayJoin,
   "forEach", TypedArrayForEach,
   "map", TypedArrayMap,
   "reduce", TypedArrayReduce,
   "reduceRight", TypedArrayReduceRight,
-  "reverse", TypedArrayReverse,
   "slice", TypedArraySlice,
   "some", TypedArraySome,
   "sort", TypedArraySort,
   "toLocaleString", TypedArrayToLocaleString
 ]);
 
 %AddNamedProperty(GlobalTypedArray.prototype, "toString", ArrayToString,
                   DONT_ENUM);
 
 
 macro SETUP_TYPED_ARRAY(ARRAY_ID, NAME, ELEMENT_SIZE)
   %SetCode(GlobalNAME, NAMEConstructor);
   %FunctionSetPrototype(GlobalNAME, new GlobalObject());
   %InternalSetPrototype(GlobalNAME, GlobalTypedArray);
   %InternalSetPrototype(GlobalNAME.prototype, GlobalTypedArray.prototype);
 
   %AddNamedProperty(GlobalNAME, "BYTES_PER_ELEMENT", ELEMENT_SIZE,
                     READ_ONLY | DONT_ENUM | DONT_DELETE);
 
   %AddNamedProperty(GlobalNAME.prototype,
                     "constructor", global.NAME, DONT_ENUM);
   %AddNamedProperty(GlobalNAME.prototype,
                     "BYTES_PER_ELEMENT", ELEMENT_SIZE,
                     READ_ONLY | DONT_ENUM | DONT_DELETE);
 endmacro
 
 TYPED_ARRAYS(SETUP_TYPED_ARRAY)
 
 })