[es6] Introduce %ToInteger and %ToLength.

src/harmony-array.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 67 matching lines @@
   }
 
   return array;
 }
 
 // ES6 draft 03-17-15, section 22.1.3.3
 function ArrayCopyWithin(target, start, end) {
   CHECK_OBJECT_COERCIBLE(this, "Array.prototype.copyWithin");
 
   var array = TO_OBJECT(this);
-  var length = $toLength(array.length);
+  var length = TO_LENGTH(array.length);
 
   return InnerArrayCopyWithin(target, start, end, array, length);
 }
 
 function InnerArrayFind(predicate, thisArg, array, length) {
   if (!IS_CALLABLE(predicate)) {
     throw MakeTypeError(kCalledNonCallable, predicate);
   }
 
   for (var i = 0; i < length; i++) {
     var element = array[i];
     if (%_Call(predicate, thisArg, element, i, array)) {
       return element;
     }
   }
 
   return;
 }
 
 // ES6 draft 07-15-13, section 15.4.3.23
 function ArrayFind(predicate, thisArg) {
   CHECK_OBJECT_COERCIBLE(this, "Array.prototype.find");
 
   var array = TO_OBJECT(this);
-  var length = $toInteger(array.length);
+  var length = TO_INTEGER(array.length);
 
   return InnerArrayFind(predicate, thisArg, array, length);
 }
 
 function InnerArrayFindIndex(predicate, thisArg, array, length) {
   if (!IS_CALLABLE(predicate)) {
     throw MakeTypeError(kCalledNonCallable, predicate);
   }
 
   for (var i = 0; i < length; i++) {
     var element = array[i];
     if (%_Call(predicate, thisArg, element, i, array)) {
       return i;
     }
   }
 
   return -1;
 }
 
 // ES6 draft 07-15-13, section 15.4.3.24
 function ArrayFindIndex(predicate, thisArg) {
   CHECK_OBJECT_COERCIBLE(this, "Array.prototype.findIndex");
 
   var array = TO_OBJECT(this);
-  var length = $toInteger(array.length);
+  var length = TO_INTEGER(array.length);
 
   return InnerArrayFindIndex(predicate, thisArg, array, length);
 }
 
 // ES6, draft 04-05-14, section 22.1.3.6
 function InnerArrayFill(value, start, end, array, length) {
   var i = IS_UNDEFINED(start) ? 0 : TO_INTEGER(start);
   var end = IS_UNDEFINED(end) ? length : TO_INTEGER(end);
 
   if (i < 0) {
@@ skipping 77 matching lines @@
       nextValue = next.value;
       if (mapping) {
         mappedValue = %_Call(mapfn, receiver, nextValue, k);
       } else {
         mappedValue = nextValue;
       }
       AddArrayElement(this, result, k, mappedValue);
       k++;
     }
   } else {
-    var len = $toLength(items.length);
+    var len = TO_LENGTH(items.length);
     result = %IsConstructor(this) ? new this(len) : new GlobalArray(len);
 
     for (k = 0; k < len; ++k) {
       nextValue = items[k];
       if (mapping) {
         mappedValue = %_Call(mapfn, receiver, nextValue, k);
       } else {
         mappedValue = nextValue;
       }
       AddArrayElement(this, result, k, mappedValue);
@@ skipping 44 matching lines @@
 
 utils.Export(function(to) {
   to.ArrayFrom = ArrayFrom;
   to.InnerArrayCopyWithin = InnerArrayCopyWithin;
   to.InnerArrayFill = InnerArrayFill;
   to.InnerArrayFind = InnerArrayFind;
   to.InnerArrayFindIndex = InnerArrayFindIndex;
 });
 
 })