Provide accessor for object internal properties that doesn't require debugger to be active

src/objects.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include <iosfwd>
 
 #include "src/allocation.h"
@@ skipping 1038 matching lines @@
 
   INLINE(bool IsSpecObject()) const;
   INLINE(bool IsSpecFunction()) const;
   INLINE(bool IsTemplateInfo()) const;
   INLINE(bool IsNameDictionary() const);
   INLINE(bool IsSeededNumberDictionary() const);
   INLINE(bool IsUnseededNumberDictionary() const);
   INLINE(bool IsOrderedHashSet() const);
   INLINE(bool IsOrderedHashMap() const);
   bool IsCallable() const;
+  static bool IsPromise(Handle<Object> object);
 
   // Oddball testing.
   INLINE(bool IsUndefined() const);
   INLINE(bool IsNull() const);
   INLINE(bool IsTheHole() const);
   INLINE(bool IsException() const);
   INLINE(bool IsUninitialized() const);
   INLINE(bool IsTrue() const);
   INLINE(bool IsFalse() const);
   INLINE(bool IsArgumentsMarker() const);
@@ skipping 10038 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_