Reland r20652 "Handlify and convert string.length to new API-style accessor."

src/accessors.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 25 matching lines @@
 
 // The list of accessor descriptors. This is a second-order macro
 // taking a macro to be applied to all accessor descriptor names.
 #define ACCESSOR_DESCRIPTOR_LIST(V) \
   V(FunctionPrototype)              \
   V(FunctionLength)                 \
   V(FunctionName)                   \
   V(FunctionArguments)              \
   V(FunctionCaller)                 \
   V(ArrayLength)                    \
-  V(StringLength)                   \
   V(ScriptSource)                   \
   V(ScriptName)                     \
   V(ScriptId)                       \
   V(ScriptLineOffset)               \
   V(ScriptColumnOffset)             \
   V(ScriptType)                     \
   V(ScriptCompilationType)          \
   V(ScriptLineEnds)                 \
   V(ScriptContextData)              \
   V(ScriptEvalFromScript)           \
   V(ScriptEvalFromScriptPosition)   \
   V(ScriptEvalFromFunctionName)
 
+#define ACCESSOR_INFO_LIST(V)       \
+  V(StringLength)                   \
+
 // Accessors contains all predefined proxy accessors.
 
 class Accessors : public AllStatic {
  public:
   // Accessor descriptors.
 #define ACCESSOR_DESCRIPTOR_DECLARATION(name) \
   static const AccessorDescriptor name;
   ACCESSOR_DESCRIPTOR_LIST(ACCESSOR_DESCRIPTOR_DECLARATION)
 #undef ACCESSOR_DESCRIPTOR_DECLARATION
 
+#define ACCESSOR_INFO_DECLARATION(name)                   \
+  static void name##Getter(                               \
+      v8::Local<v8::String> name,                         \
+      const v8::PropertyCallbackInfo<v8::Value>& info);   \
+  static void name##Setter(                               \
+      v8::Local<v8::String> name,                         \
+      v8::Local<v8::Value> value,                         \
+      const v8::PropertyCallbackInfo<void>& info);   \
+  static Handle<AccessorInfo> name##Info(                 \
+      Isolate* isolate,                                   \
+      PropertyAttributes attributes);
+  ACCESSOR_INFO_LIST(ACCESSOR_INFO_DECLARATION)
+#undef ACCESSOR_INFO_DECLARATION
+
   enum DescriptorId {
 #define ACCESSOR_DESCRIPTOR_DECLARATION(name) \
     k##name,
   ACCESSOR_DESCRIPTOR_LIST(ACCESSOR_DESCRIPTOR_DECLARATION)
 #undef ACCESSOR_DESCRIPTOR_DECLARATION
+#define ACCESSOR_INFO_DECLARATION(name) \
+    k##name##Getter, \
+    k##name##Setter,
+  ACCESSOR_INFO_LIST(ACCESSOR_INFO_DECLARATION)
+#undef ACCESSOR_INFO_DECLARATION
     descriptorCount
   };
 
   // Accessor functions called directly from the runtime system.
   static Handle<Object> FunctionSetPrototype(Handle<JSFunction> object,
                                              Handle<Object> value);
   static Handle<Object> FunctionGetPrototype(Handle<JSFunction> object);
   static Handle<Object> FunctionGetArguments(Handle<JSFunction> object);
 
   // Accessor infos.
   static Handle<AccessorInfo> MakeModuleExport(
       Handle<String> name, int index, PropertyAttributes attributes);
 
   // Returns true for properties that are accessors to object fields.
   // If true, *object_offset contains offset of object field.
   template <class T>
   static bool IsJSObjectFieldAccessor(typename T::TypeHandle type,
                                       Handle<String> name,
                                       int* object_offset);
 
-
  private:
   // Accessor functions only used through the descriptor.
   static MaybeObject* FunctionSetPrototype(Isolate* isolate,
                                            JSObject* object,
                                            Object*,
                                            void*);
   static MaybeObject* FunctionGetPrototype(Isolate* isolate,
                                            Object* object,
                                            void*);
   static MaybeObject* FunctionGetLength(Isolate* isolate,
@@ skipping 50 matching lines @@
   static Object* IllegalGetAccessor(Isolate* isolate, Object* object, void*);
   static MaybeObject* ReadOnlySetAccessor(Isolate* isolate,
                                           JSObject*,
                                           Object* value,
                                           void*);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_ACCESSORS_H_