First steps towards implementing ArrayBuffer &co in V8

src/objects-debug.cc

 // Copyright 2012 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 177 matching lines @@
       break;
     case FOREIGN_TYPE:
       Foreign::cast(this)->ForeignVerify();
       break;
     case SHARED_FUNCTION_INFO_TYPE:
       SharedFunctionInfo::cast(this)->SharedFunctionInfoVerify();
       break;
     case JS_MESSAGE_OBJECT_TYPE:
       JSMessageObject::cast(this)->JSMessageObjectVerify();
       break;
+    case JS_ARRAY_BUFFER_TYPE:
+      JSArrayBuffer::cast(this)->JSArrayBufferVerify();
+      break;
 
 #define MAKE_STRUCT_CASE(NAME, Name, name) \
   case NAME##_TYPE:                        \
     Name::cast(this)->Name##Verify();      \
     break;
     STRUCT_LIST(MAKE_STRUCT_CASE)
 #undef MAKE_STRUCT_CASE
 
     default:
       UNREACHABLE();
@@ skipping 497 matching lines @@
 }
 
 
 void JSFunctionProxy::JSFunctionProxyVerify() {
   CHECK(IsJSFunctionProxy());
   JSProxyVerify();
   VerifyPointer(call_trap());
   VerifyPointer(construct_trap());
 }
 
+void JSArrayBuffer::JSArrayBufferVerify() {
+  CHECK(IsJSArrayBuffer());
+  JSObjectVerify();
+  VerifyPointer(byte_length());
+  CHECK(byte_length()->IsSmi() || byte_length()->IsHeapNumber()
+        || byte_length()->IsUndefined());
+}
+
 
 void Foreign::ForeignVerify() {
   CHECK(IsForeign());
 }
 
 
 void AccessorInfo::AccessorInfoVerify() {
   VerifyPointer(name());
   VerifyPointer(flag());
   VerifyPointer(expected_receiver_type());
@@ skipping 335 matching lines @@
   for (int i = 0; i < number_of_transitions(); ++i) {
     if (!CheckOneBackPointer(current_map, GetTarget(i))) return false;
   }
   return true;
 }
 
 
 #endif  // DEBUG
 
 } }  // namespace v8::internal