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authorSimon Hausmann <simon.hausmann@digia.com>2012-10-15 16:08:57 +0200
committerSimon Hausmann <simon.hausmann@digia.com>2012-10-15 16:08:57 +0200
commit5466563f4b5b6b86523e3f89bb7f77e5b5270c78 (patch)
tree8caccf7cd03a15207cde3ba282c88bf132482a91 /Source/JavaScriptCore/runtime/StructureTransitionTable.h
parent33b26980cb24288b5a9f2590ccf32a949281bb79 (diff)
downloadqtwebkit-5466563f4b5b6b86523e3f89bb7f77e5b5270c78.tar.gz
Imported WebKit commit 0dc6cd75e1d4836eaffbb520be96fac4847cc9d2 (http://svn.webkit.org/repository/webkit/trunk@131300)
WebKit update which introduces the QtWebKitWidgets module that contains the WK1 widgets based API. (In fact it renames QtWebKit to QtWebKitWidgets while we're working on completing the entire split as part of https://bugs.webkit.org/show_bug.cgi?id=99314
Diffstat (limited to 'Source/JavaScriptCore/runtime/StructureTransitionTable.h')
-rw-r--r--Source/JavaScriptCore/runtime/StructureTransitionTable.h14
1 files changed, 10 insertions, 4 deletions
diff --git a/Source/JavaScriptCore/runtime/StructureTransitionTable.h b/Source/JavaScriptCore/runtime/StructureTransitionTable.h
index 90cb6a4db..3ab7b2014 100644
--- a/Source/JavaScriptCore/runtime/StructureTransitionTable.h
+++ b/Source/JavaScriptCore/runtime/StructureTransitionTable.h
@@ -43,6 +43,7 @@ static const unsigned FirstInternalAttribute = 1 << 6; // Use for transitions th
// Support for attributes used to indicate transitions not related to properties.
// If any of these are used, the string portion of the key should be 0.
enum NonPropertyTransition {
+ AllocateContiguous,
AllocateArrayStorage,
AllocateSlowPutArrayStorage,
SwitchToSlowPutArrayStorage,
@@ -57,13 +58,18 @@ inline unsigned toAttributes(NonPropertyTransition transition)
inline IndexingType newIndexingType(IndexingType oldType, NonPropertyTransition transition)
{
switch (transition) {
+ case AllocateContiguous:
+ ASSERT(!hasIndexedProperties(oldType));
+ return oldType | ContiguousShape;
case AllocateArrayStorage:
- return oldType | HasArrayStorage;
+ ASSERT(!hasIndexedProperties(oldType) || hasContiguous(oldType));
+ return (oldType & ~IndexingShapeMask) | ArrayStorageShape;
case AllocateSlowPutArrayStorage:
- return oldType | HasSlowPutArrayStorage;
+ ASSERT(!hasIndexedProperties(oldType) || hasContiguous(oldType));
+ return (oldType & ~IndexingShapeMask) | SlowPutArrayStorageShape;
case SwitchToSlowPutArrayStorage:
- ASSERT(oldType & HasArrayStorage);
- return (oldType & ~HasArrayStorage) | HasSlowPutArrayStorage;
+ ASSERT(hasFastArrayStorage(oldType));
+ return (oldType & ~IndexingShapeMask) | SlowPutArrayStorageShape;
case AddIndexedAccessors:
return oldType | MayHaveIndexedAccessors;
default: