[api] Make ObjectTemplate::SetNativeDataProperty() work even if the ObjectTemplate does not have a …

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/allocation.h"
@@ skipping 2371 matching lines @@
   // Called the first time an object is observed with ES7 Object.observe.
   static void SetObserved(Handle<JSObject> object);
 
   // Copy object.
   enum DeepCopyHints { kNoHints = 0, kObjectIsShallow = 1 };
 
   MUST_USE_RESULT static MaybeHandle<JSObject> DeepCopy(
       Handle<JSObject> object,
       AllocationSiteUsageContext* site_context,
       DeepCopyHints hints = kNoHints);
+  // Deep copies given object with special handling for JSFunctions which
+  // 1) must be Api functions and 2) are not copied but left as is.
+  MUST_USE_RESULT static MaybeHandle<JSObject> DeepCopyApiBoilerplate(
+      Handle<JSObject> object);
   MUST_USE_RESULT static MaybeHandle<JSObject> DeepWalk(
       Handle<JSObject> object,
       AllocationSiteCreationContext* site_context);
 
   DECLARE_CAST(JSObject)
 
   // Dispatched behavior.
   void JSObjectShortPrint(StringStream* accumulator);
   DECLARE_PRINTER(JSObject)
   DECLARE_VERIFIER(JSObject)
@@ skipping 8058 matching lines @@
   static const int kSize = kFastHandlerOffset + kPointerSize;
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(CallHandlerInfo);
 };
 
 
 class TemplateInfo: public Struct {
  public:
   DECL_ACCESSORS(tag, Object)
-  inline int number_of_properties() const;
-  inline void set_number_of_properties(int value);
+  DECL_ACCESSORS(serial_number, Object)
+  DECL_INT_ACCESSORS(number_of_properties)
   DECL_ACCESSORS(property_list, Object)
   DECL_ACCESSORS(property_accessors, Object)
 
   DECLARE_VERIFIER(TemplateInfo)
 
   static const int kTagOffset = HeapObject::kHeaderSize;
-  static const int kNumberOfProperties = kTagOffset + kPointerSize;
+  static const int kSerialNumberOffset = kTagOffset + kPointerSize;
+  static const int kNumberOfProperties = kSerialNumberOffset + kPointerSize;
   static const int kPropertyListOffset = kNumberOfProperties + kPointerSize;
   static const int kPropertyAccessorsOffset =
       kPropertyListOffset + kPointerSize;
   static const int kPropertyIntrinsicsOffset =
       kPropertyAccessorsOffset + kPointerSize;
   static const int kHeaderSize = kPropertyIntrinsicsOffset + kPointerSize;
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(TemplateInfo);
 };
 
 
 class FunctionTemplateInfo: public TemplateInfo {
  public:
-  DECL_ACCESSORS(serial_number, Object)
   DECL_ACCESSORS(call_code, Object)
   DECL_ACCESSORS(prototype_template, Object)
   DECL_ACCESSORS(parent_template, Object)
   DECL_ACCESSORS(named_property_handler, Object)
   DECL_ACCESSORS(indexed_property_handler, Object)
   DECL_ACCESSORS(instance_template, Object)
   DECL_ACCESSORS(class_name, Object)
   DECL_ACCESSORS(signature, Object)
   DECL_ACCESSORS(instance_call_handler, Object)
   DECL_ACCESSORS(access_check_info, Object)
@@ skipping 13 matching lines @@
   DECL_BOOLEAN_ACCESSORS(do_not_cache)
   DECL_BOOLEAN_ACCESSORS(instantiated)
   DECL_BOOLEAN_ACCESSORS(accept_any_receiver)
 
   DECLARE_CAST(FunctionTemplateInfo)
 
   // Dispatched behavior.
   DECLARE_PRINTER(FunctionTemplateInfo)
   DECLARE_VERIFIER(FunctionTemplateInfo)
 
-  static const int kSerialNumberOffset = TemplateInfo::kHeaderSize;
-  static const int kCallCodeOffset = kSerialNumberOffset + kPointerSize;
+  static const int kCallCodeOffset = TemplateInfo::kHeaderSize;
   static const int kPrototypeTemplateOffset =
       kCallCodeOffset + kPointerSize;
   static const int kParentTemplateOffset =
       kPrototypeTemplateOffset + kPointerSize;
   static const int kNamedPropertyHandlerOffset =
       kParentTemplateOffset + kPointerSize;
   static const int kIndexedPropertyHandlerOffset =
       kNamedPropertyHandlerOffset + kPointerSize;
   static const int kInstanceTemplateOffset =
       kIndexedPropertyHandlerOffset + kPointerSize;
@@ skipping 264 matching lines @@
     }
     return value;
   }
 };
 
 
 }  // NOLINT, false-positive due to second-order macros.
 }  // NOLINT, false-positive due to second-order macros.
 
 #endif  // V8_OBJECTS_H_