remove declarative accessors

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 <iosfwd>
 
 #include "src/allocation.h"
@@ skipping 110 matching lines @@
 //     - HeapNumber
 //     - Cell
 //       - PropertyCell
 //     - Code
 //     - Map
 //     - Oddball
 //     - Foreign
 //     - SharedFunctionInfo
 //     - Struct
 //       - Box
-//       - DeclaredAccessorDescriptor
 //       - AccessorInfo
-//         - DeclaredAccessorInfo
 //         - ExecutableAccessorInfo
 //       - AccessorPair
 //       - AccessCheckInfo
 //       - InterceptorInfo
 //       - CallHandlerInfo
 //       - TemplateInfo
 //         - FunctionTemplateInfo
 //         - ObjectTemplateInfo
 //       - Script
 //       - SignatureInfo
@@ skipping 369 matching lines @@
 // object type in this causes the compiler to generate most of the boilerplate
 // code for the class including allocation and garbage collection routines,
 // casts and predicates.  All you need to define is the class, methods and
 // object verification routines.  Easy, no?
 //
 // Note that for subtle reasons related to the ordering or numerical values of
 // type tags, elements in this list have to be added to the INSTANCE_TYPE_LIST
 // manually.
 #define STRUCT_LIST(V)                                                         \
   V(BOX, Box, box)                                                             \
-  V(DECLARED_ACCESSOR_DESCRIPTOR,                                              \
-    DeclaredAccessorDescriptor,                                                \
-    declared_accessor_descriptor)                                              \
-  V(DECLARED_ACCESSOR_INFO, DeclaredAccessorInfo, declared_accessor_info)      \
   V(EXECUTABLE_ACCESSOR_INFO, ExecutableAccessorInfo, executable_accessor_info)\
   V(ACCESSOR_PAIR, AccessorPair, accessor_pair)                                \
   V(ACCESS_CHECK_INFO, AccessCheckInfo, access_check_info)                     \
   V(INTERCEPTOR_INFO, InterceptorInfo, interceptor_info)                       \
   V(CALL_HANDLER_INFO, CallHandlerInfo, call_handler_info)                     \
   V(FUNCTION_TEMPLATE_INFO, FunctionTemplateInfo, function_template_info)      \
   V(OBJECT_TEMPLATE_INFO, ObjectTemplateInfo, object_template_info)            \
   V(SIGNATURE_INFO, SignatureInfo, signature_info)                             \
   V(TYPE_SWITCH_INFO, TypeSwitchInfo, type_switch_info)                        \
   V(SCRIPT, Script, script)                                                    \
@@ skipping 9861 matching lines @@
   }
   // Bit positions in flag.
   static const int kAllCanReadBit = 0;
   static const int kAllCanWriteBit = 1;
   class AttributesField: public BitField<PropertyAttributes, 2, 3> {};
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(AccessorInfo);
 };
 
 
-enum AccessorDescriptorType {
-  kDescriptorBitmaskCompare,
-  kDescriptorPointerCompare,
-  kDescriptorPrimitiveValue,
-  kDescriptorObjectDereference,
-  kDescriptorPointerDereference,
-  kDescriptorPointerShift,
-  kDescriptorReturnObject
-};
-
-
-struct BitmaskCompareDescriptor {
-  uint32_t bitmask;
-  uint32_t compare_value;
-  uint8_t size;  // Must be in {1,2,4}.
-};
-
-
-struct PointerCompareDescriptor {
-  void* compare_value;
-};
-
-
-struct PrimitiveValueDescriptor {
-  v8::DeclaredAccessorDescriptorDataType data_type;
-  uint8_t bool_offset;  // Must be in [0,7], used for kDescriptorBoolType.
-};
-
-
-struct ObjectDerefenceDescriptor {
-  uint8_t internal_field;
-};
-
-
-struct PointerShiftDescriptor {
-  int16_t byte_offset;
-};
-
-
-struct DeclaredAccessorDescriptorData {
-  AccessorDescriptorType type;
-  union {
-    struct BitmaskCompareDescriptor bitmask_compare_descriptor;
-    struct PointerCompareDescriptor pointer_compare_descriptor;
-    struct PrimitiveValueDescriptor primitive_value_descriptor;
-    struct ObjectDerefenceDescriptor object_dereference_descriptor;
-    struct PointerShiftDescriptor pointer_shift_descriptor;
-  };
-};
-
-
-class DeclaredAccessorDescriptor;
-
-
-class DeclaredAccessorDescriptorIterator {
- public:
-  explicit DeclaredAccessorDescriptorIterator(
-      DeclaredAccessorDescriptor* descriptor);
-  const DeclaredAccessorDescriptorData* Next();
-  bool Complete() const { return length_ == offset_; }
- private:
-  uint8_t* array_;
-  const int length_;
-  int offset_;
-  DISALLOW_IMPLICIT_CONSTRUCTORS(DeclaredAccessorDescriptorIterator);
-};
-
-
-class DeclaredAccessorDescriptor: public Struct {
- public:
-  DECL_ACCESSORS(serialized_data, ByteArray)
-
-  DECLARE_CAST(DeclaredAccessorDescriptor)
-
-  static Handle<DeclaredAccessorDescriptor> Create(
-      Isolate* isolate,
-      const DeclaredAccessorDescriptorData& data,
-      Handle<DeclaredAccessorDescriptor> previous);
-
-  // Dispatched behavior.
-  DECLARE_PRINTER(DeclaredAccessorDescriptor)
-  DECLARE_VERIFIER(DeclaredAccessorDescriptor)
-
-  static const int kSerializedDataOffset = HeapObject::kHeaderSize;
-  static const int kSize = kSerializedDataOffset + kPointerSize;
-
- private:
-  DISALLOW_IMPLICIT_CONSTRUCTORS(DeclaredAccessorDescriptor);
-};
-
-
-class DeclaredAccessorInfo: public AccessorInfo {
- public:
-  DECL_ACCESSORS(descriptor, DeclaredAccessorDescriptor)
-
-  DECLARE_CAST(DeclaredAccessorInfo)
-
-  // Dispatched behavior.
-  DECLARE_PRINTER(DeclaredAccessorInfo)
-  DECLARE_VERIFIER(DeclaredAccessorInfo)
-
-  static const int kDescriptorOffset = AccessorInfo::kSize;
-  static const int kSize = kDescriptorOffset + kPointerSize;
-
- private:
-  DISALLOW_IMPLICIT_CONSTRUCTORS(DeclaredAccessorInfo);
-};
-
-
 // An accessor must have a getter, but can have no setter.
 //
 // When setting a property, V8 searches accessors in prototypes.
 // If an accessor was found and it does not have a setter,
 // the request is ignored.
 //
 // If the accessor in the prototype has the READ_ONLY property attribute, then
 // a new value is added to the derived object when the property is set.
 // This shadows the accessor in the prototype.
 class ExecutableAccessorInfo: public AccessorInfo {
@@ skipping 540 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_