Contribution of PowerPC port (continuation of 422063005) - PPC dir update 2

src/property.h

 // Copyright 2014 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_PROPERTY_H_
 #define V8_PROPERTY_H_
 
 #include <iosfwd>
 
 #include "src/factory.h"
@@ skipping 86 matching lines @@
 
 class AccessorConstantDescriptor FINAL : public Descriptor {
  public:
   AccessorConstantDescriptor(Handle<Name> key, Handle<Object> foreign,
                              PropertyAttributes attributes)
       : Descriptor(key, foreign, attributes, ACCESSOR_CONSTANT,
                    Representation::Tagged()) {}
 };
 
 
-class LookupResult FINAL BASE_EMBEDDED {
- public:
-  explicit LookupResult(Isolate* isolate)
-      : isolate_(isolate),
-        next_(isolate->top_lookup_result()),
-        lookup_type_(NOT_FOUND),
-        holder_(NULL),
-        transition_(NULL),
-        details_(NONE, DATA, Representation::None()) {
-    isolate->set_top_lookup_result(this);
-  }
-
-  ~LookupResult() {
-    DCHECK(isolate()->top_lookup_result() == this);
-    isolate()->set_top_lookup_result(next_);
-  }
-
-  Isolate* isolate() const { return isolate_; }
-
-  void DescriptorResult(JSObject* holder, PropertyDetails details, int number) {
-    lookup_type_ = DESCRIPTOR_TYPE;
-    holder_ = holder;
-    transition_ = NULL;
-    details_ = details;
-    number_ = number;
-  }
-
-  void TransitionResult(JSObject* holder, Map* target) {
-    lookup_type_ = TRANSITION_TYPE;
-    number_ = target->LastAdded();
-    details_ = target->instance_descriptors()->GetDetails(number_);
-    holder_ = holder;
-    transition_ = target;
-  }
-
-  void NotFound() {
-    lookup_type_ = NOT_FOUND;
-    details_ = PropertyDetails(NONE, DATA, 0);
-    holder_ = NULL;
-    transition_ = NULL;
-  }
-
-  Representation representation() const {
-    DCHECK(IsFound());
-    return details_.representation();
-  }
-
-  // Property callbacks does not include transitions to callbacks.
-  bool IsAccessorConstant() const {
-    return !IsTransition() && details_.type() == ACCESSOR_CONSTANT;
-  }
-
-  bool IsReadOnly() const {
-    DCHECK(IsFound());
-    return details_.IsReadOnly();
-  }
-
-  bool IsData() const {
-    return lookup_type_ == DESCRIPTOR_TYPE && details_.type() == DATA;
-  }
-
-  bool IsDataConstant() const {
-    return lookup_type_ == DESCRIPTOR_TYPE && details_.type() == DATA_CONSTANT;
-  }
-
-  bool IsConfigurable() const { return details_.IsConfigurable(); }
-  bool IsFound() const { return lookup_type_ != NOT_FOUND; }
-  bool IsTransition() const { return lookup_type_ == TRANSITION_TYPE; }
-
-  // Is the result is a property excluding transitions and the null descriptor?
-  bool IsProperty() const {
-    return IsFound() && !IsTransition();
-  }
-
-  Map* GetTransitionTarget() const {
-    DCHECK(IsTransition());
-    return transition_;
-  }
-
-  bool IsTransitionToData() const {
-    return IsTransition() && details_.type() == DATA;
-  }
-
-  int GetLocalFieldIndexFromMap(Map* map) const {
-    return GetFieldIndexFromMap(map) - map->inobject_properties();
-  }
-
-  Object* GetConstantFromMap(Map* map) const {
-    DCHECK(details_.type() == DATA_CONSTANT);
-    return GetValueFromMap(map);
-  }
-
-  Object* GetValueFromMap(Map* map) const {
-    DCHECK(lookup_type_ == DESCRIPTOR_TYPE ||
-           lookup_type_ == TRANSITION_TYPE);
-    DCHECK(number_ < map->NumberOfOwnDescriptors());
-    return map->instance_descriptors()->GetValue(number_);
-  }
-
-  int GetFieldIndexFromMap(Map* map) const {
-    DCHECK(lookup_type_ == DESCRIPTOR_TYPE ||
-           lookup_type_ == TRANSITION_TYPE);
-    DCHECK(number_ < map->NumberOfOwnDescriptors());
-    return map->instance_descriptors()->GetFieldIndex(number_);
-  }
-
-  HeapType* GetFieldTypeFromMap(Map* map) const {
-    DCHECK_NE(NOT_FOUND, lookup_type_);
-    DCHECK(number_ < map->NumberOfOwnDescriptors());
-    return map->instance_descriptors()->GetFieldType(number_);
-  }
-
-  Map* GetFieldOwnerFromMap(Map* map) const {
-    DCHECK(lookup_type_ == DESCRIPTOR_TYPE ||
-           lookup_type_ == TRANSITION_TYPE);
-    DCHECK(number_ < map->NumberOfOwnDescriptors());
-    return map->FindFieldOwner(number_);
-  }
-
-  void Iterate(ObjectVisitor* visitor);
-
- private:
-  Isolate* isolate_;
-  LookupResult* next_;
-
-  // Where did we find the result;
-  enum { NOT_FOUND, DESCRIPTOR_TYPE, TRANSITION_TYPE } lookup_type_;
-
-  JSReceiver* holder_;
-  Map* transition_;
-  int number_;
-  PropertyDetails details_;
-};
-
-
-std::ostream& operator<<(std::ostream& os, const LookupResult& r);
 } }  // namespace v8::internal
 
 #endif  // V8_PROPERTY_H_