Implement get trap for proxies.

src/objects-inl.h

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 566 matching lines @@
       && (HeapObject::cast(this)->map()->instance_type() ==
           JS_MESSAGE_OBJECT_TYPE);
 }
 
 
 bool Object::IsStringWrapper() {
   return IsJSValue() && JSValue::cast(this)->value()->IsString();
 }
 
 
+bool Object::IsJSProxy() {
+  return Object::IsHeapObject()
+      && HeapObject::cast(this)->map()->instance_type() == JS_PROXY_TYPE;
+}
+
+
 bool Object::IsProxy() {
   return Object::IsHeapObject()
       && HeapObject::cast(this)->map()->instance_type() == PROXY_TYPE;
 }
 
 
 bool Object::IsBoolean() {
   return IsOddball() &&
       ((Oddball::cast(this)->kind() & Oddball::kNotBooleanMask) == 0);
 }
@@ skipping 1294 matching lines @@
 CAST_ACCESSOR(SharedFunctionInfo)
 CAST_ACCESSOR(Map)
 CAST_ACCESSOR(JSFunction)
 CAST_ACCESSOR(GlobalObject)
 CAST_ACCESSOR(JSGlobalProxy)
 CAST_ACCESSOR(JSGlobalObject)
 CAST_ACCESSOR(JSBuiltinsObject)
 CAST_ACCESSOR(Code)
 CAST_ACCESSOR(JSArray)
 CAST_ACCESSOR(JSRegExp)
+CAST_ACCESSOR(JSProxy)
 CAST_ACCESSOR(Proxy)
 CAST_ACCESSOR(ByteArray)
 CAST_ACCESSOR(ExternalArray)
 CAST_ACCESSOR(ExternalByteArray)
 CAST_ACCESSOR(ExternalUnsignedByteArray)
 CAST_ACCESSOR(ExternalShortArray)
 CAST_ACCESSOR(ExternalUnsignedShortArray)
 CAST_ACCESSOR(ExternalIntArray)
 CAST_ACCESSOR(ExternalUnsignedIntArray)
 CAST_ACCESSOR(ExternalFloatArray)
@@ skipping 1603 matching lines @@
 
 
 void JSBuiltinsObject::set_javascript_builtin_code(Builtins::JavaScript id,
                                                    Code* value) {
   ASSERT(id < kJSBuiltinsCount);  // id is unsigned.
   WRITE_FIELD(this, OffsetOfCodeWithId(id), value);
   ASSERT(!HEAP->InNewSpace(value));
 }
 
 
+ACCESSORS(JSProxy, handler, Object, kHandlerOffset)
+
+
 Address Proxy::proxy() {
   return AddressFrom<Address>(READ_INTPTR_FIELD(this, kProxyOffset));
 }
 
 
 void Proxy::set_proxy(Address value) {
   WRITE_INTPTR_FIELD(this, kProxyOffset, OffsetFrom(value));
 }
 
 
@@ skipping 686 matching lines @@
 #undef WRITE_INT_FIELD
 #undef READ_SHORT_FIELD
 #undef WRITE_SHORT_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_INL_H_