Implement LookupIterator designed to replace LookupResult

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 "src/allocation.h"
 #include "src/assert-scope.h"
 #include "src/builtins.h"
@@ skipping 844 matching lines @@
 
 class AccessorPair;
 class AllocationSite;
 class AllocationSiteCreationContext;
 class AllocationSiteUsageContext;
 class DictionaryElementsAccessor;
 class ElementsAccessor;
 class FixedArrayBase;
 class GlobalObject;
 class ObjectVisitor;
+class LookupIterator;
 class StringStream;
 // We cannot just say "class HeapType;" if it is created from a template... =8-?
 template<class> class TypeImpl;
 struct HeapTypeConfig;
 typedef TypeImpl<HeapTypeConfig> HeapType;
 
 
 // A template-ized version of the IsXXX functions.
 template <class C> inline bool Is(Object* obj);
 
@@ skipping 574 matching lines @@
   static MaybeHandle<JSReceiver> ToObject(Isolate* isolate,
                                           Handle<Object> object,
                                           Handle<Context> context);
 
   // Converts this to a Smi if possible.
   static MUST_USE_RESULT inline MaybeHandle<Smi> ToSmi(Isolate* isolate,
                                                        Handle<Object> object);
 
   void Lookup(Handle<Name> name, LookupResult* result);
 
-  MUST_USE_RESULT static MaybeHandle<Object> GetPropertyWithReceiver(
-      Handle<Object> object,
-      Handle<Object> receiver,
-      Handle<Name> name,
-      PropertyAttributes* attributes);
+  MUST_USE_RESULT static MaybeHandle<Object> GetProperty(LookupIterator* it);
   MUST_USE_RESULT static inline MaybeHandle<Object> GetPropertyOrElement(
       Handle<Object> object,
       Handle<Name> key);
   MUST_USE_RESULT static inline MaybeHandle<Object> GetProperty(
       Isolate* isolate,
       Handle<Object> object,
       const char* key);
   MUST_USE_RESULT static inline MaybeHandle<Object> GetProperty(
       Handle<Object> object,
       Handle<Name> key);
-  MUST_USE_RESULT static MaybeHandle<Object> GetProperty(
-      Handle<Object> object,
-      Handle<Object> receiver,
-      LookupResult* result,
-      Handle<Name> key,
-      PropertyAttributes* attributes);
 
-  MUST_USE_RESULT static MaybeHandle<Object> GetPropertyWithCallback(
+  MUST_USE_RESULT static MaybeHandle<Object> GetPropertyWithAccessor(
       Handle<Object> receiver,
       Handle<Name> name,
       Handle<JSObject> holder,
       Handle<Object> structure);
   MUST_USE_RESULT static MaybeHandle<Object> SetPropertyWithCallback(
       Handle<Object> receiver,
       Handle<Name> name,
       Handle<Object> value,
       Handle<JSObject> holder,
       Handle<Object> structure,
@@ skipping 765 matching lines @@
                              v8::AccessControl access_control = v8::DEFAULT);
 
   // Defines an AccessorInfo property on the given object.
   MUST_USE_RESULT static MaybeHandle<Object> SetAccessor(
       Handle<JSObject> object,
       Handle<AccessorInfo> info);
 
   MUST_USE_RESULT static MaybeHandle<Object> GetPropertyWithInterceptor(
       Handle<JSObject> object,
       Handle<Object> receiver,
-      Handle<Name> name,
-      PropertyAttributes* attributes);
-  MUST_USE_RESULT static MaybeHandle<Object> GetPropertyPostInterceptor(
-      Handle<JSObject> object,
-      Handle<Object> receiver,
-      Handle<Name> name,
-      PropertyAttributes* attributes);
+      Handle<Name> name);
 
   // Returns true if this is an instance of an api function and has
   // been modified since it was created.  May give false positives.
   bool IsDirty();
 
   // Accessors for hidden properties object.
   //
   // Hidden properties are not own properties of the object itself.
   // Instead they are stored in an auxiliary structure kept as an own
   // property with a special name Heap::hidden_string(). But if the
@@ skipping 390 matching lines @@
  private:
   friend class DictionaryElementsAccessor;
   friend class JSReceiver;
   friend class Object;
 
   static void UpdateAllocationSite(Handle<JSObject> object,
                                    ElementsKind to_kind);
 
   // Used from Object::GetProperty().
   MUST_USE_RESULT static MaybeHandle<Object> GetPropertyWithFailedAccessCheck(
-      Handle<JSObject> object,
-      Handle<Object> receiver,
-      LookupResult* result,
-      Handle<Name> name,
-      PropertyAttributes* attributes);
+      LookupIterator* it);
 
   MUST_USE_RESULT static MaybeHandle<Object> GetElementWithCallback(
       Handle<JSObject> object,
       Handle<Object> receiver,
       Handle<Object> structure,
       uint32_t index,
       Handle<Object> holder);
 
   static PropertyAttributes GetElementAttributeWithInterceptor(
       Handle<JSObject> object,
@@ skipping 3943 matching lines @@
 
   bool CanTransition() {
     // Only JSObject and subtypes have map transitions and back pointers.
     STATIC_ASSERT(LAST_TYPE == LAST_JS_OBJECT_TYPE);
     return instance_type() >= FIRST_JS_OBJECT_TYPE;
   }
 
   bool IsJSObjectMap() {
     return instance_type() >= FIRST_JS_OBJECT_TYPE;
   }
+  bool IsJSProxyMap() {
+    InstanceType type = instance_type();
+    return FIRST_JS_PROXY_TYPE <= type && type <= LAST_JS_PROXY_TYPE;
+  }
   bool IsJSGlobalProxyMap() {
     return instance_type() == JS_GLOBAL_PROXY_TYPE;
   }
   bool IsJSGlobalObjectMap() {
     return instance_type() == JS_GLOBAL_OBJECT_TYPE;
   }
   bool IsGlobalObjectMap() {
     const InstanceType type = instance_type();
     return type == JS_GLOBAL_OBJECT_TYPE || type == JS_BUILTINS_OBJECT_TYPE;
   }
@@ skipping 4587 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_