ES6: Add Object.getOwnPropertySymbols

src/runtime.h

 // 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 40 matching lines @@
   F(DeleteProperty, 3, 1) \
   F(HasLocalProperty, 2, 1) \
   F(HasProperty, 2, 1) \
   F(HasElement, 2, 1) \
   F(IsPropertyEnumerable, 2, 1) \
   F(GetPropertyNames, 1, 1) \
   F(GetPropertyNamesFast, 1, 1) \
   F(GetLocalPropertyNames, 2, 1) \
   F(GetLocalElementNames, 1, 1) \
   F(GetInterceptorInfo, 1, 1) \
-  F(GetNamedInterceptorPropertyNames, 1, 1) \
+  F(GetNamedInterceptorPropertyNames, 2, 1) \
   F(GetIndexedInterceptorElementNames, 1, 1) \
   F(GetArgumentsProperty, 1, 1) \
   F(ToFastProperties, 1, 1) \
   F(FinishArrayPrototypeSetup, 1, 1) \
   F(SpecialArrayFunctions, 1, 1) \
   F(IsCallable, 1, 1) \
   F(IsClassicModeFunction, 1, 1) \
   F(GetDefaultReceiver, 1, 1) \
   \
   F(GetPrototype, 1, 1) \
@@ skipping 775 matching lines @@
       ExternalArrayType *type, size_t *element_size);
 
   // Helper functions used stubs.
   static void PerformGC(Object* result, Isolate* isolate);
 
   // Used in runtime.cc and hydrogen's VisitArrayLiteral.
   static Handle<Object> CreateArrayLiteralBoilerplate(
       Isolate* isolate,
       Handle<FixedArray> literals,
       Handle<FixedArray> elements);
+
+  enum LocalPropertyKeyType {
+    PROPERTY_KEY_STRING = 1,
+    PROPERTY_KEY_SYMBOL = 2
+  };
 };
 
 
 //---------------------------------------------------------------------------
 // Constants used by interface to runtime functions.
 
 class AllocateDoubleAlignFlag:    public BitField<bool,            0, 1> {};
 class AllocateTargetSpace:        public BitField<AllocationSpace, 1, 3> {};
 
 class DeclareGlobalsEvalFlag:     public BitField<bool,         0, 1> {};
 class DeclareGlobalsNativeFlag:   public BitField<bool,         1, 1> {};
 class DeclareGlobalsLanguageMode: public BitField<LanguageMode, 2, 2> {};
 
 } }  // namespace v8::internal
 
 #endif  // V8_RUNTIME_H_