Use TO_OBJECT_INLINE a bit more

src/v8natives.js

 // Copyright 2012 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.
 
 // This file relies on the fact that the following declarations have been made
 // in runtime.js:
 // var $Object = global.Object;
 // var $Boolean = global.Boolean;
 // var $Number = global.Number;
 // var $Function = global.Function;
@@ skipping 200 matching lines @@
 
 
 // ----------------------------------------------------------------------------
 // Object
 
 var DefaultObjectToString = NoSideEffectsObjectToString;
 // ECMA-262 - 15.2.4.2
 function NoSideEffectsObjectToString() {
   if (IS_UNDEFINED(this) && !IS_UNDETECTABLE(this)) return "[object Undefined]";
   if (IS_NULL(this)) return "[object Null]";
-  return "[object " + %_ClassOf(ToObject(this)) + "]";
+  return "[object " + %_ClassOf(TO_OBJECT_INLINE(this)) + "]";
 }
 
 
 // ECMA-262 - 15.2.4.3
 function ObjectToLocaleString() {
   CHECK_OBJECT_COERCIBLE(this, "Object.prototype.toLocaleString");
   return this.toString();
 }
 
 
 // ECMA-262 - 15.2.4.4
 function ObjectValueOf() {
-  return ToObject(this);
+  return TO_OBJECT_INLINE(this);
 }
 
 
 // ECMA-262 - 15.2.4.5
 function ObjectHasOwnProperty(V) {
   if (%_IsJSProxy(this)) {
     // TODO(rossberg): adjust once there is a story for symbols vs proxies.
     if (IS_SYMBOL(V)) return false;
 
     var handler = %GetHandler(this);
@@ skipping 14 matching lines @@
 // ECMA-262 - 15.2.4.6
 function ObjectPropertyIsEnumerable(V) {
   var P = ToName(V);
   if (%_IsJSProxy(this)) {
     // TODO(rossberg): adjust once there is a story for symbols vs proxies.
     if (IS_SYMBOL(V)) return false;
 
     var desc = GetOwnPropertyJS(this, P);
     return IS_UNDEFINED(desc) ? false : desc.isEnumerable();
   }
-  return %IsPropertyEnumerable(ToObject(this), P);
+  return %IsPropertyEnumerable(TO_OBJECT_INLINE(this), P);
 }
 
 
 // Extensions for providing property getters and setters.
 function ObjectDefineGetter(name, fun) {
   var receiver = this;
   if (receiver == null && !IS_UNDETECTABLE(receiver)) {
     receiver = %GlobalProxy(global);
   }
   if (!IS_SPEC_FUNCTION(fun)) {
     throw new $TypeError(
         'Object.prototype.__defineGetter__: Expecting function');
   }
   var desc = new PropertyDescriptor();
   desc.setGet(fun);
   desc.setEnumerable(true);
   desc.setConfigurable(true);
-  DefineOwnProperty(ToObject(receiver), ToName(name), desc, false);
+  DefineOwnProperty(TO_OBJECT_INLINE(receiver), ToName(name), desc, false);
 }
 
 
 function ObjectLookupGetter(name) {
   var receiver = this;
   if (receiver == null && !IS_UNDETECTABLE(receiver)) {
     receiver = %GlobalProxy(global);
   }
-  return %LookupAccessor(ToObject(receiver), ToName(name), GETTER);
+  return %LookupAccessor(TO_OBJECT_INLINE(receiver), ToName(name), GETTER);
 }
 
 
 function ObjectDefineSetter(name, fun) {
   var receiver = this;
   if (receiver == null && !IS_UNDETECTABLE(receiver)) {
     receiver = %GlobalProxy(global);
   }
   if (!IS_SPEC_FUNCTION(fun)) {
     throw new $TypeError(
         'Object.prototype.__defineSetter__: Expecting function');
   }
   var desc = new PropertyDescriptor();
   desc.setSet(fun);
   desc.setEnumerable(true);
   desc.setConfigurable(true);
-  DefineOwnProperty(ToObject(receiver), ToName(name), desc, false);
+  DefineOwnProperty(TO_OBJECT_INLINE(receiver), ToName(name), desc, false);
 }
 
 
 function ObjectLookupSetter(name) {
   var receiver = this;
   if (receiver == null && !IS_UNDETECTABLE(receiver)) {
     receiver = %GlobalProxy(global);
   }
-  return %LookupAccessor(ToObject(receiver), ToName(name), SETTER);
+  return %LookupAccessor(TO_OBJECT_INLINE(receiver), ToName(name), SETTER);
 }
 
 
 function ObjectKeys(obj) {
-  obj = ToObject(obj);
+  obj = TO_OBJECT_INLINE(obj);
   if (%_IsJSProxy(obj)) {
     var handler = %GetHandler(obj);
     var names = CallTrap0(handler, "keys", DerivedKeysTrap);
     return ToNameArray(names, "keys", false);
   }
   return %OwnKeys(obj);
 }
 
 
 // ES5 8.10.1.
@@ skipping 296 matching lines @@
     if (!desc.isConfigurable()) {
       throw MakeTypeError("proxy_prop_not_configurable",
                           [handler, "getOwnPropertyDescriptor", p, descriptor]);
     }
     return desc;
   }
 
   // GetOwnProperty returns an array indexed by the constants
   // defined in macros.py.
   // If p is not a property on obj undefined is returned.
-  var props = %GetOwnProperty(ToObject(obj), p);
+  var props = %GetOwnProperty(TO_OBJECT_INLINE(obj), p);
 
   return ConvertDescriptorArrayToDescriptor(props);
 }
 
 
 // ES5 section 8.12.7.
 function Delete(obj, p, should_throw) {
   var desc = GetOwnPropertyJS(obj, p);
   if (IS_UNDEFINED(desc)) return true;
   if (desc.isConfigurable()) {
@@ skipping 30 matching lines @@
     } else {
       return false;
     }
   }
   return true;
 }
 
 
 // ES5 8.12.9.
 function DefineObjectProperty(obj, p, desc, should_throw) {
-  var current_array = %GetOwnProperty(ToObject(obj), ToName(p));
+  var current_array = %GetOwnProperty(obj, ToName(p));
   var current = ConvertDescriptorArrayToDescriptor(current_array);
-  var extensible = %IsExtensible(ToObject(obj));
+  var extensible = %IsExtensible(obj);
 
   // Error handling according to spec.
   // Step 3
   if (IS_UNDEFINED(current) && !extensible) {
     if (should_throw) {
       throw MakeTypeError("define_disallowed", [p]);
     } else {
       return false;
     }
   }
@@ skipping 390 matching lines @@
     }
     propertyNames.length = j;
   }
 
   return propertyNames;
 }
 
 
 // ES5 section 15.2.3.4.
 function ObjectGetOwnPropertyNames(obj) {
-  obj = ToObject(obj);
+  obj = TO_OBJECT_INLINE(obj);
   // Special handling for proxies.
   if (%_IsJSProxy(obj)) {
     var handler = %GetHandler(obj);
     var names = CallTrap0(handler, "getOwnPropertyNames", UNDEFINED);
     return ToNameArray(names, "getOwnPropertyNames", false);
   }
 
   return ObjectGetOwnPropertyKeys(obj, PROPERTY_ATTRIBUTES_SYMBOLIC);
 }
 
@@ skipping 71 matching lines @@
 
   return names;
 }
 
 
 // ES5 section 15.2.3.7.
 function ObjectDefineProperties(obj, properties) {
   if (!IS_SPEC_OBJECT(obj)) {
     throw MakeTypeError("called_on_non_object", ["Object.defineProperties"]);
   }
-  var props = ToObject(properties);
+  var props = TO_OBJECT_INLINE(properties);
   var names = GetOwnEnumerablePropertyNames(props);
   var descriptors = new InternalArray();
   for (var i = 0; i < names.length; i++) {
     descriptors.push(ToPropertyDescriptor(props[names[i]]));
   }
   for (var i = 0; i < names.length; i++) {
     DefineOwnProperty(obj, names[i], descriptors[i], true);
   }
   return obj;
 }
@@ skipping 158 matching lines @@
 
 
 // ECMA-262, Edition 6, section 19.1.2.10
 function ObjectIs(obj1, obj2) {
   return SameValue(obj1, obj2);
 }
 
 
 // ECMA-262, Edition 6, section B.2.2.1.1
 function ObjectGetProto() {
-  return %_GetPrototype(ToObject(this));
+  return %_GetPrototype(TO_OBJECT_INLINE(this));
 }
 
 
 // ECMA-262, Edition 6, section B.2.2.1.2
 function ObjectSetProto(proto) {
   CHECK_OBJECT_COERCIBLE(this, "Object.prototype.__proto__");
 
   if ((IS_SPEC_OBJECT(proto) || IS_NULL(proto)) && IS_SPEC_OBJECT(this)) {
     %SetPrototype(this, proto);
   }
 }
 
 
 function ObjectConstructor(x) {
   if (%_IsConstructCall()) {
     if (x == null) return this;
-    return ToObject(x);
+    return TO_OBJECT_INLINE(x);
   } else {
     if (x == null) return { };
-    return ToObject(x);
+    return TO_OBJECT_INLINE(x);
   }
 }
 
 
 // ----------------------------------------------------------------------------
 // Object
 
 function SetUpObject() {
   %CheckIsBootstrapping();
 
@@ skipping 484 matching lines @@
   }
   if (!IS_SPEC_FUNCTION(method)) {
     throw MakeTypeError('not_iterable', [obj]);
   }
   var iterator = %_CallFunction(obj, method);
   if (!IS_SPEC_OBJECT(iterator)) {
     throw MakeTypeError('not_an_iterator', [iterator]);
   }
   return iterator;
 }