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Unified Diff: src/objects.h

Issue 10831153: Improve load IC so it can call a native accessor even if the holder is (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 8 years, 4 months ago
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Index: src/objects.h
===================================================================
--- src/objects.h (revision 12254)
+++ src/objects.h (working copy)
@@ -4684,7 +4684,8 @@
class IsShared: public BitField<bool, 0, 1> {};
class FunctionWithPrototype: public BitField<bool, 1, 1> {};
- class LastAddedBits: public BitField<int, 2, 11> {};
+ class DictionaryMap: public BitField<bool, 2, 1> {};
+ class LastAddedBits: public BitField<int, 3, 11> {};
// Tells whether the object in the prototype property will be used
// for instances created from this function. If the prototype
@@ -4830,6 +4831,13 @@
inline void set_is_shared(bool value);
inline bool is_shared();
+ // Tells whether the map is used for JSObjects in dictionary mode (ie
+ // normalized objects, ie objects for which HasFastProperties returns false).
+ // A map can never be used for both dictionary mode and fast mode JSObjects.
+ // False by default and for HeapObjects that are not JSObjects.
+ inline void set_dictionary_map(bool value);
+ inline bool is_dictionary_map();
+
// Tells whether the instance needs security checks when accessing its
// properties.
inline void set_is_access_check_needed(bool access_check_needed);
@@ -5150,6 +5158,7 @@
// Bit positions for bit field 3
static const int kIsShared = 0;
static const int kFunctionWithPrototype = 1;
+ static const int kDictionaryMap = 2;
typedef FixedBodyDescriptor<kPointerFieldsBeginOffset,
kPointerFieldsEndOffset,

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