Reland "Wrap typed array implementations in functions."

src/string-iterator.js

 // Copyright 2014 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() {
 
 "use strict";
 
 %CheckIsBootstrapping();
 
@@ skipping 30 matching lines @@
 function StringIteratorNext() {
   var iterator = ToObject(this);
 
   if (!HAS_DEFINED_PRIVATE(iterator, stringIteratorNextIndexSymbol)) {
     throw MakeTypeError('incompatible_method_receiver',
                         ['String Iterator.prototype.next']);
   }
 
   var s = GET_PRIVATE(iterator, stringIteratorIteratedStringSymbol);
   if (IS_UNDEFINED(s)) {
-    return CreateIteratorResultObject(UNDEFINED, true);
+    return $iteratorCreateResultObject(UNDEFINED, true);
   }
 
   var position = GET_PRIVATE(iterator, stringIteratorNextIndexSymbol);
   var length = TO_UINT32(s.length);
 
   if (position >= length) {
     SET_PRIVATE(iterator, stringIteratorIteratedStringSymbol,
                 UNDEFINED);
-    return CreateIteratorResultObject(UNDEFINED, true);
+    return $iteratorCreateResultObject(UNDEFINED, true);
   }
 
   var first = %_StringCharCodeAt(s, position);
   var resultString = %_StringCharFromCode(first);
   position++;
 
   if (first >= 0xD800 && first <= 0xDBFF && position < length) {
     var second = %_StringCharCodeAt(s, position);
     if (second >= 0xDC00 && second <= 0xDFFF) {
       resultString += %_StringCharFromCode(second);
       position++;
     }
   }
 
   SET_PRIVATE(iterator, stringIteratorNextIndexSymbol, position);
 
-  return CreateIteratorResultObject(resultString, false);
+  return $iteratorCreateResultObject(resultString, false);
 }
 
 
 // 21.1.3.27 String.prototype [ @@iterator ]( )
 function StringPrototypeIterator() {
   return CreateStringIterator(this);
 }
 
 //-------------------------------------------------------------------
 
 %FunctionSetPrototype(StringIterator, new GlobalObject());
 %FunctionSetInstanceClassName(StringIterator, 'String Iterator');
 
 InstallFunctions(StringIterator.prototype, DONT_ENUM, [
   'next', StringIteratorNext
 ]);
 %FunctionSetName(StringIteratorIterator, '[Symbol.iterator]');
 %AddNamedProperty(StringIterator.prototype, symbolIterator,
                   StringIteratorIterator, DONT_ENUM);
 %AddNamedProperty(StringIterator.prototype, symbolToStringTag,
                   "String Iterator", READ_ONLY | DONT_ENUM);
 
 %FunctionSetName(StringPrototypeIterator, '[Symbol.iterator]');
 %AddNamedProperty(GlobalString.prototype, symbolIterator,
                   StringPrototypeIterator, DONT_ENUM);
 
 })();