Optionally invoke an interceptor on failed access checks

src/objects.h

 // Copyright 2015 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/assert-scope.h"
@@ skipping 10368 matching lines @@
   //    assertTrue("foo" in obj);
   inline bool IsJSAccessor(Object* obj);
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(AccessorPair);
 };
 
 
 class AccessCheckInfo: public Struct {
  public:
   DECL_ACCESSORS(callback, Object)
+  DECL_ACCESSORS(named_interceptor, Object)
+  DECL_ACCESSORS(indexed_interceptor, Object)
   DECL_ACCESSORS(data, Object)
 
   DECLARE_CAST(AccessCheckInfo)
 
   // Dispatched behavior.
   DECLARE_PRINTER(AccessCheckInfo)
   DECLARE_VERIFIER(AccessCheckInfo)
 
+  static AccessCheckInfo* Get(Isolate* isolate, Handle<JSObject> receiver);
+
   static const int kCallbackOffset = HeapObject::kHeaderSize;
-  static const int kDataOffset = kCallbackOffset + kPointerSize;
+  static const int kNamedInterceptorOffset = kCallbackOffset + kPointerSize;
+  static const int kIndexedInterceptorOffset =
+      kNamedInterceptorOffset + kPointerSize;
+  static const int kDataOffset = kIndexedInterceptorOffset + kPointerSize;
   static const int kSize = kDataOffset + kPointerSize;
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(AccessCheckInfo);
 };
 
 
 class InterceptorInfo: public Struct {
  public:
   DECL_ACCESSORS(getter, Object)
@@ skipping 398 matching lines @@
     }
     return value;
   }
 };
 
 
 }  // NOLINT, false-positive due to second-order macros.
 }  // NOLINT, false-positive due to second-order macros.
 
 #endif  // V8_OBJECTS_H_