Create IS_SPEC_OBJECT macro to simplify javescript code....

src/v8natives.js

Index: src/v8natives.js
===================================================================
--- src/v8natives.js	(revision 4624)
+++ src/v8natives.js	(working copy)
@@ -225,7 +225,7 @@
 
 // ECMA-262 - 15.2.4.6
 function ObjectIsPrototypeOf(V) {
-  if (!IS_OBJECT(V) && !IS_FUNCTION(V) && !IS_UNDETECTABLE(V)) return false;
+  if (!IS_SPEC_OBJECT_OR_NULL(V) && !IS_UNDETECTABLE(V)) return false;
   return %IsInPrototypeChain(this, V);
 }
 
@@ -233,7 +233,7 @@
 // ECMA-262 - 15.2.4.6
 function ObjectPropertyIsEnumerable(V) {
   if (this == null) return false;
-  if (!IS_OBJECT(this) && !IS_FUNCTION(this)) return false;
+  if (!IS_SPEC_OBJECT_OR_NULL(this)) return false;
   return %IsPropertyEnumerable(this, ToString(V));
 }
 
@@ -279,7 +279,7 @@
 
 
 function ObjectKeys(obj) {
-  if ((!IS_OBJECT(obj) || IS_NULL_OR_UNDEFINED(obj)) && !IS_FUNCTION(obj) &&
+  if ((!IS_SPEC_OBJECT_OR_NULL(obj) || IS_NULL_OR_UNDEFINED(obj)) &&
       !IS_UNDETECTABLE(obj))
     throw MakeTypeError("obj_ctor_property_non_object", ["keys"]);
   return %LocalKeys(obj);
@@ -329,7 +329,7 @@
 
 // ES5 8.10.5.
 function ToPropertyDescriptor(obj) {
-  if (!IS_OBJECT(obj)) {
+  if (!IS_SPEC_OBJECT_OR_NULL(obj)) {
     throw MakeTypeError("property_desc_object", [obj]);
   }
   var desc = new PropertyDescriptor();
@@ -599,7 +599,7 @@
 
 // ES5 section 15.2.3.2.
 function ObjectGetPrototypeOf(obj) {
-  if ((!IS_OBJECT(obj) || IS_NULL_OR_UNDEFINED(obj)) && !IS_FUNCTION(obj) &&
+  if ((!IS_SPEC_OBJECT_OR_NULL(obj) || IS_NULL_OR_UNDEFINED(obj)) &&
       !IS_UNDETECTABLE(obj))
     throw MakeTypeError("obj_ctor_property_non_object", ["getPrototypeOf"]);
   return obj.__proto__;
@@ -608,7 +608,7 @@
 
 // ES5 section 15.2.3.3
 function ObjectGetOwnPropertyDescriptor(obj, p) {
-  if ((!IS_OBJECT(obj) || IS_NULL_OR_UNDEFINED(obj)) && !IS_FUNCTION(obj) &&
+  if ((!IS_SPEC_OBJECT_OR_NULL(obj) || IS_NULL_OR_UNDEFINED(obj)) &&
       !IS_UNDETECTABLE(obj))
     throw MakeTypeError("obj_ctor_property_non_object", ["getOwnPropertyDescriptor"]);
   var desc = GetOwnProperty(obj, p);
@@ -618,7 +618,7 @@
 
 // ES5 section 15.2.3.4.
 function ObjectGetOwnPropertyNames(obj) {
-  if ((!IS_OBJECT(obj) || IS_NULL_OR_UNDEFINED(obj)) && !IS_FUNCTION(obj) &&
+  if ((!IS_SPEC_OBJECT_OR_NULL(obj) || IS_NULL_OR_UNDEFINED(obj)) &&
       !IS_UNDETECTABLE(obj))
     throw MakeTypeError("obj_ctor_property_non_object", ["getOwnPropertyNames"]);
 
@@ -660,8 +660,7 @@
 
 // ES5 section 15.2.3.5.
 function ObjectCreate(proto, properties) {
-  // IS_OBJECT will return true on null covering that case.
-  if (!IS_OBJECT(proto) && !IS_FUNCTION(proto)) {
+  if (!IS_SPEC_OBJECT_OR_NULL(proto)) {
     throw MakeTypeError("proto_object_or_null", [proto]);
   }
   var obj = new $Object();
@@ -673,7 +672,7 @@
 
 // ES5 section 15.2.3.6.
 function ObjectDefineProperty(obj, p, attributes) {
-  if ((!IS_OBJECT(obj) || IS_NULL_OR_UNDEFINED(obj)) && !IS_FUNCTION(obj) &&
+  if ((!IS_SPEC_OBJECT_OR_NULL(obj) || IS_NULL_OR_UNDEFINED(obj)) &&
       !IS_UNDETECTABLE(obj))
     throw MakeTypeError("obj_ctor_property_non_object", ["defineProperty"]);
   var name = ToString(p);
@@ -685,7 +684,7 @@
 
 // ES5 section 15.2.3.7.
 function ObjectDefineProperties(obj, properties) {
- if ((!IS_OBJECT(obj) || IS_NULL_OR_UNDEFINED(obj)) && !IS_FUNCTION(obj) &&
+ if ((!IS_SPEC_OBJECT_OR_NULL(obj) || IS_NULL_OR_UNDEFINED(obj)) &&
      !IS_UNDETECTABLE(obj))
     throw MakeTypeError("obj_ctor_property_non_object", ["defineProperties"]);
   var props = ToObject(properties);