JavaScriptCore-7600.1.4.16.1.tar.gz

[apple/javascriptcore.git] / runtime / Butterfly.h

diff --git a/runtime/Butterfly.h b/runtime/Butterfly.h
index eb6d82a76680b9d3b57e1fa2f65d14c5b51fe9d7..20dccd9b6928d59699dc69fc681648c263eb92d6 100644 (file)
--- a/runtime/Butterfly.h
+++ b/runtime/Butterfly.h
@@ -30,7 +30,6 @@
 #include "PropertyOffset.h"
 #include "PropertyStorage.h"
 #include <wtf/Noncopyable.h>
-#include <wtf/Platform.h>
 
 namespace JSC {
 
@@ -71,7 +70,7 @@ private:
 };
 
 typedef ContiguousData<double> ContiguousDoubles;
-typedef ContiguousData<WriteBarrier<Unknown> > ContiguousJSValues;
+typedef ContiguousData<WriteBarrier<Unknown>> ContiguousJSValues;
 
 class Butterfly {
     WTF_MAKE_NONCOPYABLE(Butterfly);
@@ -101,13 +100,14 @@ public:
     char* pointer() { return reinterpret_cast<char*>(this); }
     
     static ptrdiff_t offsetOfIndexingHeader() { return IndexingHeader::offsetOfIndexingHeader(); }
+    static ptrdiff_t offsetOfArrayBuffer() { return offsetOfIndexingHeader() + IndexingHeader::offsetOfArrayBuffer(); }
     static ptrdiff_t offsetOfPublicLength() { return offsetOfIndexingHeader() + IndexingHeader::offsetOfPublicLength(); }
     static ptrdiff_t offsetOfVectorLength() { return offsetOfIndexingHeader() + IndexingHeader::offsetOfVectorLength(); }
     
-    static Butterfly* createUninitialized(VM&, size_t preCapacity, size_t propertyCapacity, bool hasIndexingHeader, size_t indexingPayloadSizeInBytes);
+    static Butterfly* createUninitialized(VM&, JSCell* intendedOwner, size_t preCapacity, size_t propertyCapacity, bool hasIndexingHeader, size_t indexingPayloadSizeInBytes);
 
-    static Butterfly* create(VM&, size_t preCapacity, size_t propertyCapacity, bool hasIndexingHeader, const IndexingHeader&, size_t indexingPayloadSizeInBytes);
-    static Butterfly* create(VM&, Structure*);
+    static Butterfly* create(VM&, JSCell* intendedOwner, size_t preCapacity, size_t propertyCapacity, bool hasIndexingHeader, const IndexingHeader&, size_t indexingPayloadSizeInBytes);
+    static Butterfly* create(VM&, JSCell* intendedOwner, Structure*);
     static Butterfly* createUninitializedDuringCollection(CopyVisitor&, size_t preCapacity, size_t propertyCapacity, bool hasIndexingHeader, size_t indexingPayloadSizeInBytes);
     
     IndexingHeader* indexingHeader() { return IndexingHeader::from(this); }
@@ -123,10 +123,10 @@ public:
     template<typename T>
     T* indexingPayload() { return reinterpret_cast_ptr<T*>(this); }
     ArrayStorage* arrayStorage() { return indexingPayload<ArrayStorage>(); }
-    ContiguousJSValues contiguousInt32() { return ContiguousJSValues(indexingPayload<WriteBarrier<Unknown> >(), vectorLength()); }
+    ContiguousJSValues contiguousInt32() { return ContiguousJSValues(indexingPayload<WriteBarrier<Unknown>>(), vectorLength()); }
 
     ContiguousDoubles contiguousDouble() { return ContiguousDoubles(indexingPayload<double>(), vectorLength()); }
-    ContiguousJSValues contiguous() { return ContiguousJSValues(indexingPayload<WriteBarrier<Unknown> >(), vectorLength()); }
+    ContiguousJSValues contiguous() { return ContiguousJSValues(indexingPayload<WriteBarrier<Unknown>>(), vectorLength()); }
     
     static Butterfly* fromContiguous(WriteBarrier<Unknown>* contiguous)
     {
@@ -147,20 +147,21 @@ public:
     void* base(size_t preCapacity, size_t propertyCapacity) { return propertyStorage() - propertyCapacity - preCapacity; }
     void* base(Structure*);
 
-    static Butterfly* createOrGrowArrayRight(Butterfly*, VM&, Structure* oldStructure, size_t propertyCapacity, bool hadIndexingHeader, size_t oldIndexingPayloadSizeInBytes, size_t newIndexingPayloadSizeInBytes); 
+    static Butterfly* createOrGrowArrayRight(
+        Butterfly*, VM&, JSCell* intendedOwner, Structure* oldStructure,
+        size_t propertyCapacity, bool hadIndexingHeader,
+        size_t oldIndexingPayloadSizeInBytes, size_t newIndexingPayloadSizeInBytes); 
 
     // The butterfly reallocation methods perform the reallocation itself but do not change any
     // of the meta-data to reflect that the reallocation occurred. Note that this set of
     // methods is not exhaustive and is not intended to encapsulate all possible allocation
     // modes of butterflies - there are code paths that allocate butterflies by calling
     // directly into Heap::tryAllocateStorage.
-    Butterfly* growPropertyStorage(VM&, size_t preCapacity, size_t oldPropertyCapacity, bool hasIndexingHeader, size_t indexingPayloadSizeInBytes, size_t newPropertyCapacity);
-    Butterfly* growPropertyStorage(VM&, Structure* oldStructure, size_t oldPropertyCapacity, size_t newPropertyCapacity);
-    Butterfly* growPropertyStorage(VM&, Structure* oldStructure, size_t newPropertyCapacity);
-    Butterfly* growArrayRight(VM&, Structure* oldStructure, size_t propertyCapacity, bool hadIndexingHeader, size_t oldIndexingPayloadSizeInBytes, size_t newIndexingPayloadSizeInBytes); // Assumes that preCapacity is zero, and asserts as much.
-    Butterfly* growArrayRight(VM&, Structure*, size_t newIndexingPayloadSizeInBytes);
-    Butterfly* resizeArray(VM&, size_t propertyCapacity, bool oldHasIndexingHeader, size_t oldIndexingPayloadSizeInBytes, size_t newPreCapacity, bool newHasIndexingHeader, size_t newIndexingPayloadSizeInBytes);
-    Butterfly* resizeArray(VM&, Structure*, size_t newPreCapacity, size_t newIndexingPayloadSizeInBytes); // Assumes that you're not changing whether or not the object has an indexing header.
+    static Butterfly* createOrGrowPropertyStorage(Butterfly*, VM&, JSCell* intendedOwner, Structure*, size_t oldPropertyCapacity, size_t newPropertyCapacity);
+    Butterfly* growArrayRight(VM&, JSCell* intendedOwner, Structure* oldStructure, size_t propertyCapacity, bool hadIndexingHeader, size_t oldIndexingPayloadSizeInBytes, size_t newIndexingPayloadSizeInBytes); // Assumes that preCapacity is zero, and asserts as much.
+    Butterfly* growArrayRight(VM&, JSCell* intendedOwner, Structure*, size_t newIndexingPayloadSizeInBytes);
+    Butterfly* resizeArray(VM&, JSCell* intendedOwner, size_t propertyCapacity, bool oldHasIndexingHeader, size_t oldIndexingPayloadSizeInBytes, size_t newPreCapacity, bool newHasIndexingHeader, size_t newIndexingPayloadSizeInBytes);
+    Butterfly* resizeArray(VM&, JSCell* intendedOwner, Structure*, size_t newPreCapacity, size_t newIndexingPayloadSizeInBytes); // Assumes that you're not changing whether or not the object has an indexing header.
     Butterfly* unshift(Structure*, size_t numberOfSlots);
     Butterfly* shift(Structure*, size_t numberOfSlots);
 };