Changeset 39502 in webkit for trunk/JavaScriptCore/runtime/Structure.h

Timestamp:

Dec 29, 2008, 4:28:40 PM (16 years ago)

Author:

[email protected]

Message:

2008-12-29 Sam Weinig <​[email protected]>

Reviewed by Oliver Hunt.

Patch for ​https://bugs.webkit.org/show_bug.cgi?id=23026
Move the deleted offsets vector into the PropertyMap

Saves 3 words per Structure.

• runtime/PropertyMapHashTable.h:
• runtime/Structure.cpp: (JSC::Structure::addPropertyTransition): (JSC::Structure::changePrototypeTransition): (JSC::Structure::getterSetterTransition): (JSC::Structure::toDictionaryTransition): (JSC::Structure::fromDictionaryTransition): (JSC::Structure::copyPropertyTable): (JSC::Structure::put): (JSC::Structure::remove): (JSC::Structure::rehashPropertyMapHashTable):
• runtime/Structure.h: (JSC::Structure::propertyStorageSize):

File:

• trunk/JavaScriptCore/runtime/Structure.h (modified) (3 diffs)

trunk/JavaScriptCore/runtime/Structure.h

@@ -35 +35 @@
 #include "TypeInfo.h"
 #include "UString.h"
-#include <wtf/HashFunctions.h>
-#include <wtf/HashTraits.h>
-#include <wtf/OwnArrayPtr.h>
 #include <wtf/PassRefPtr.h>
 #include <wtf/RefCounted.h>
@@ -101 +98 @@
         void growPropertyStorageCapacity();
         size_t propertyStorageCapacity() const { return m_propertyStorageCapacity; }
-        size_t propertyStorageSize() const { return m_propertyTable ? m_propertyTable->keyCount + m_deletedOffsets.size() : m_offset + 1; }
+        size_t propertyStorageSize() const { return m_propertyTable ? m_propertyTable->keyCount + (m_propertyTable->deletedOffsets ? m_propertyTable->deletedOffsets->size() : 0) : m_offset + 1; }
 
         size_t get(const Identifier& propertyName);
@@ -164 +161 @@
 
         PropertyMapHashTable* m_propertyTable;
-        Vector<unsigned> m_deletedOffsets;
 
         size_t m_propertyStorageCapacity;