exposing some methods from objects.h (alternative to counters)

src/runtime.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 316 matching lines @@
   F(GetFromCache, 2, 1) \
   \
   /* Message objects */ \
   F(NewMessageObject, 2, 1) \
   F(MessageGetType, 1, 1) \
   F(MessageGetArguments, 1, 1) \
   F(MessageGetStartPosition, 1, 1) \
   F(MessageGetScript, 1, 1) \
   \
   /* Pseudo functions - handled as macros by parser */ \
-  F(IS_VAR, 1, 1)
+  F(IS_VAR, 1, 1) \
+  \
+  /* expose boolean functions from objects-inl.h */ \
+  F(ObjectHasFastElements, 1, 1) \

[danno, 2011/06/30 17:24:04]

Is there any reason that you don't call these HasXXX rather than ObjectHasXXX?
Names without the Object prefix are more consistent with other functions like
HasProperty or HasElement.

+  F(ObjectHasFastDoubleElements, 1, 1) \
+  F(ObjectHasDictionaryElements, 1, 1) \
+  F(ObjectHasExternalPixelElements, 1, 1) \
+  F(ObjectHasExternalArrayElements, 1, 1) \
+  F(ObjectHasExternalByteElements, 1, 1) \
+  F(ObjectHasExternalUnsignedByteElements, 1, 1) \
+  F(ObjectHasExternalShortElements, 1, 1) \
+  F(ObjectHasExternalUnsignedShortElements, 1, 1) \
+  F(ObjectHasExternalIntElements, 1, 1) \
+  F(ObjectHasExternalUnsignedIntElements, 1, 1) \
+  F(ObjectHasExternalFloatElements, 1, 1) \
+  F(ObjectHasExternalDoubleElements, 1, 1)
+
 
 #ifdef ENABLE_DEBUGGER_SUPPORT
 #define RUNTIME_FUNCTION_LIST_DEBUGGER_SUPPORT(F) \
   /* Debugger support*/ \
   F(DebugBreak, 0, 1) \
   F(SetDebugEventListener, 2, 1) \
   F(Break, 0, 1) \
   F(DebugGetPropertyDetails, 2, 1) \
   F(DebugGetProperty, 2, 1) \
   F(DebugPropertyTypeFromDetails, 1, 1) \
@@ skipping 290 matching lines @@
                                                 Handle<Script> script,
                                                 int position);
 
   // Helper functions used stubs.
   static void PerformGC(Object* result);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_RUNTIME_H_