[stubs] Unify (and optimize) implementation of ToObject.

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 65 matching lines @@
     count--;
   }
 
   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_INLINE(this);
+  var array = TO_OBJECT(this);
   var length = $toLength(array.length);
 
   return InnerArrayCopyWithin(target, start, end, array, length);
 }
 
 function InnerArrayFind(predicate, thisArg, array, length) {
   if (!IS_SPEC_FUNCTION(predicate)) {
     throw MakeTypeError(kCalledNonCallable, predicate);
   }
 
   var needs_wrapper = false;
   if (IS_NULL(thisArg)) {
     if (%IsSloppyModeFunction(predicate)) thisArg = UNDEFINED;
   } else if (!IS_UNDEFINED(thisArg)) {
     needs_wrapper = SHOULD_CREATE_WRAPPER(predicate, thisArg);
   }
 
   for (var i = 0; i < length; i++) {
     var element = array[i];
-    var newThisArg = needs_wrapper ? $toObject(thisArg) : thisArg;
+    var newThisArg = needs_wrapper ? TO_OBJECT(thisArg) : thisArg;
     if (%_CallFunction(newThisArg, element, i, array, predicate)) {
       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 = $toObject(this);
+  var array = TO_OBJECT(this);
   var length = $toInteger(array.length);
 
   return InnerArrayFind(predicate, thisArg, array, length);
 }
 
 function InnerArrayFindIndex(predicate, thisArg, array, length) {
   if (!IS_SPEC_FUNCTION(predicate)) {
     throw MakeTypeError(kCalledNonCallable, predicate);
   }
 
   var needs_wrapper = false;
   if (IS_NULL(thisArg)) {
     if (%IsSloppyModeFunction(predicate)) thisArg = UNDEFINED;
   } else if (!IS_UNDEFINED(thisArg)) {
     needs_wrapper = SHOULD_CREATE_WRAPPER(predicate, thisArg);
   }
 
   for (var i = 0; i < length; i++) {
     var element = array[i];
-    var newThisArg = needs_wrapper ? $toObject(thisArg) : thisArg;
+    var newThisArg = needs_wrapper ? TO_OBJECT(thisArg) : thisArg;
     if (%_CallFunction(newThisArg, element, i, array, predicate)) {
       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 = $toObject(this);
+  var array = TO_OBJECT(this);
   var length = $toInteger(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);
 
@@ skipping 17 matching lines @@
 
   for (; i < end; i++)
     array[i] = value;
   return array;
 }
 
 // ES6, draft 04-05-14, section 22.1.3.6
 function ArrayFill(value, start, end) {
   CHECK_OBJECT_COERCIBLE(this, "Array.prototype.fill");
 
-  var array = $toObject(this);
+  var array = TO_OBJECT(this);
   var length = TO_UINT32(array.length);
 
   return InnerArrayFill(value, start, end, array, length);
 }
 
 function AddArrayElement(constructor, array, i, value) {
   if (constructor === GlobalArray) {
     %AddElement(array, i, value);
   } else {
     ObjectDefineProperty(array, i, {
       value: value, writable: true, configurable: true, enumerable: true
     });
   }
 }
 
 // ES6, draft 10-14-14, section 22.1.2.1
 function ArrayFrom(arrayLike, mapfn, receiver) {
-  var items = $toObject(arrayLike);
+  var items = TO_OBJECT(arrayLike);
   var mapping = !IS_UNDEFINED(mapfn);
 
   if (mapping) {
     if (!IS_SPEC_FUNCTION(mapfn)) {
       throw MakeTypeError(kCalledNonCallable, mapfn);
     } else if (%IsSloppyModeFunction(mapfn)) {
       if (IS_NULL(receiver)) {
         receiver = UNDEFINED;
       } else if (!IS_UNDEFINED(receiver)) {
-        receiver = TO_OBJECT_INLINE(receiver);
+        receiver = TO_OBJECT(receiver);
       }
     }
   }
 
   var iterable = GetMethod(items, symbolIterator);
   var k;
   var result;
   var mappedValue;
   var nextValue;
 
@@ skipping 83 matching lines @@
 
 utils.Export(function(to) {
   to.ArrayFrom = ArrayFrom;
   to.InnerArrayCopyWithin = InnerArrayCopyWithin;
   to.InnerArrayFill = InnerArrayFill;
   to.InnerArrayFind = InnerArrayFind;
   to.InnerArrayFindIndex = InnerArrayFindIndex;
 });
 
 })