Runtime version of declarative native accessors.

include/v8.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 113 matching lines @@
 template <class T> class Handle;
 template <class T> class Local;
 template <class T> class Persistent;
 class FunctionTemplate;
 class ObjectTemplate;
 class Data;
 class AccessorInfo;
 class StackTrace;
 class StackFrame;
 class Isolate;
+class DeclaredAccessorDescriptor;
+class ObjectOperationDescriptor;
+class RawOperationDescriptor;
 
 namespace internal {
 
 class Arguments;
 class Object;
 class Heap;
 class HeapObject;
 class Isolate;
 }
 
@@ skipping 1455 matching lines @@
 
   bool Delete(uint32_t index);
 
   bool SetAccessor(Handle<String> name,
                    AccessorGetter getter,
                    AccessorSetter setter = 0,
                    Handle<Value> data = Handle<Value>(),
                    AccessControl settings = DEFAULT,
                    PropertyAttribute attribute = None);
 
+  bool SetAccessor(Handle<String> name,

[Sven Panne, 2013/03/07 08:18:48]

Add some kind of warning comment that this part of the API is in a state of
flux.

+                   Handle<DeclaredAccessorDescriptor> descriptor,
+                   AccessControl settings = DEFAULT,
+                   PropertyAttribute attribute = None);
+
   /**
    * Returns an array containing the names of the enumerable properties
    * of this object, including properties from prototype objects.  The
    * array returned by this method contains the same values as would
    * be enumerated by a for-in statement over this object.
    */
   Local<Array> GetPropertyNames();
 
   /**
    * This function has the same functionality as GetPropertyNames but
@@ skipping 751 matching lines @@
   void ReadOnlyPrototype();
 
   /**
    * Returns true if the given object is an instance of this function
    * template.
    */
   bool HasInstance(Handle<Value> object);
 
  private:
   FunctionTemplate();
-  void AddInstancePropertyAccessor(Handle<String> name,
-                                   AccessorGetter getter,
-                                   AccessorSetter setter,
-                                   Handle<Value> data,
-                                   AccessControl settings,
-                                   PropertyAttribute attributes,
-                                   Handle<AccessorSignature> signature);
   void SetNamedInstancePropertyHandler(NamedPropertyGetter getter,
                                        NamedPropertySetter setter,
                                        NamedPropertyQuery query,
                                        NamedPropertyDeleter remover,
                                        NamedPropertyEnumerator enumerator,
                                        Handle<Value> data);
   void SetIndexedInstancePropertyHandler(IndexedPropertyGetter getter,
                                          IndexedPropertySetter setter,
                                          IndexedPropertyQuery query,
                                          IndexedPropertyDeleter remover,
@@ skipping 52 matching lines @@
    */
   void SetAccessor(Handle<String> name,
                    AccessorGetter getter,
                    AccessorSetter setter = 0,
                    Handle<Value> data = Handle<Value>(),
                    AccessControl settings = DEFAULT,
                    PropertyAttribute attribute = None,
                    Handle<AccessorSignature> signature =
                        Handle<AccessorSignature>());
 
+  bool SetAccessor(Handle<String> name,

[Sven Panne, 2013/03/07 08:18:48]

Same here...

+                   Handle<DeclaredAccessorDescriptor> descriptor,
+                   AccessControl settings = DEFAULT,
+                   PropertyAttribute attribute = None,
+                   Handle<AccessorSignature> signature =
+                       Handle<AccessorSignature>());
+
   /**
    * Sets a named property handler on the object template.
    *
    * Whenever a named property is accessed on objects created from
    * this object template, the provided callback is invoked instead of
    * accessing the property directly on the JavaScript object.
    *
    * \param getter The callback to invoke when getting a property.
    * \param setter The callback to invoke when setting a property.
    * \param query The callback to invoke to check if a property is present,
@@ skipping 109 matching lines @@
  */
 class V8EXPORT AccessorSignature : public Data {
  public:
   static Local<AccessorSignature> New(Handle<FunctionTemplate> receiver =
                                           Handle<FunctionTemplate>());
  private:
   AccessorSignature();
 };
 
 
+class V8EXPORT DeclaredAccessorDescriptor : public Data {
+ private:
+  DeclaredAccessorDescriptor();
+};
+
+
+class V8EXPORT ObjectOperationDescriptor : public Data {
+ public:
+  static Local<RawOperationDescriptor> New(Isolate* isolate,

[Sven Panne, 2013/03/07 08:18:48]

A more descriptive name indicating that the operation is about accessing an
internal field would be nice instead of plain "New".

+                                           int internal_field);
+ private:
+  ObjectOperationDescriptor();
+};
+
+
+enum DeclaredAccessorDescriptorDataType {
+    kDescriptorBoolType,
+    kDescriptorInt8Type, kDescriptorUint8Type,
+    kDescriptorInt16Type, kDescriptorUint16Type,
+    kDescriptorInt32Type, kDescriptorUint32Type,
+    kDescriptorFloatType, kDescriptorDoubleType
+};
+
+
+class V8EXPORT RawOperationDescriptor : public Data {
+ public:
+  Local<DeclaredAccessorDescriptor> NewHandleDereference(Isolate* isolate);
+  Local<RawOperationDescriptor> NewRawDereference(Isolate* isolate);
+  Local<RawOperationDescriptor> NewRawShift(Isolate* isolate,
+                                            int16_t byte_offset);
+  Local<DeclaredAccessorDescriptor> NewPointerCompare(Isolate* isolate,
+                                                      void* compare_value);
+  Local<DeclaredAccessorDescriptor> NewPrimitiveValue(
+      Isolate* isolate,
+      DeclaredAccessorDescriptorDataType data_type,
+      uint8_t bool_offset = 0);
+  Local<DeclaredAccessorDescriptor> NewBitmaskCompare8(Isolate* isolate,
+                                                       uint8_t bitmask,
+                                                       uint8_t compare_value);
+  Local<DeclaredAccessorDescriptor> NewBitmaskCompare16(
+      Isolate* isolate,
+      uint16_t bitmask,
+      uint16_t compare_value);
+  Local<DeclaredAccessorDescriptor> NewBitmaskCompare32(
+      Isolate* isolate,
+      uint32_t bitmask,
+      uint32_t compare_value);
+
+ private:
+  RawOperationDescriptor();
+};
+
+
 /**
  * A utility for determining the type of objects based on the template
  * they were constructed from.
  */
 class V8EXPORT TypeSwitch : public Data {
  public:
   static Local<TypeSwitch> New(Handle<FunctionTemplate> type);
   static Local<TypeSwitch> New(int argc, Handle<FunctionTemplate> types[]);
   int match(Handle<Value> value);
  private:
@@ skipping 2324 matching lines @@
 
 
 }  // namespace v8
 
 
 #undef V8EXPORT
 #undef TYPE_CHECK
 
 
 #endif  // V8_H_