webkitgtk-2.4.11webkitgtk-2.4.11

1 files changed, 0 insertions, 146 deletions

diff --git a/Source/JavaScriptCore/runtime/JSPropertyNameEnumerator.h b/Source/JavaScriptCore/runtime/JSPropertyNameEnumerator.h
deleted file mode 100644
index 8406c4602..000000000
--- a/Source/JavaScriptCore/runtime/JSPropertyNameEnumerator.h
+++ /dev/null
@@ -1,146 +0,0 @@
-/*
- * Copyright (C) 2014 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef JSPropertyNameEnumerator_h
-#define JSPropertyNameEnumerator_h
-
-#include "JSCell.h"
-#include "Operations.h"
-#include "PropertyNameArray.h"
-#include "Structure.h"
-
-namespace JSC {
-
-class Identifier;
-
-class JSPropertyNameEnumerator final : public JSCell {
-public:
-    typedef JSCell Base;
-    static const unsigned StructureFlags = Base::StructureFlags | StructureIsImmortal;
-
-    static JSPropertyNameEnumerator* create(VM&);
-    static JSPropertyNameEnumerator* create(VM&, Structure*, uint32_t, uint32_t, PropertyNameArray&);
-
-    static const bool needsDestruction = true;
-    static void destroy(JSCell*);
-
-    static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
-    {
-        return Structure::create(vm, globalObject, prototype, TypeInfo(CellType, StructureFlags), info());
-    }
-
-    DECLARE_EXPORT_INFO;
-
-    JSString* propertyNameAtIndex(uint32_t index) const
-    {
-        if (index >= m_propertyNames.size())
-            return nullptr;
-        return m_propertyNames[index].get();
-    }
-
-    StructureChain* cachedPrototypeChain() const { return m_prototypeChain.get(); }
-    void setCachedPrototypeChain(VM& vm, StructureChain* prototypeChain) { return m_prototypeChain.set(vm, this, prototypeChain); }
-
-    Structure* cachedStructure(VM& vm) const
-    {
-        if (!m_cachedStructureID)
-            return nullptr;
-        return vm.heap.structureIDTable().get(m_cachedStructureID);
-    }
-    StructureID cachedStructureID() const { return m_cachedStructureID; }
-    uint32_t indexedLength() const { return m_indexedLength; }
-    uint32_t endStructurePropertyIndex() const { return m_endStructurePropertyIndex; }
-    uint32_t endGenericPropertyIndex() const { return m_endGenericPropertyIndex; }
-    uint32_t cachedInlineCapacity() const { return m_cachedInlineCapacity; }
-    static ptrdiff_t cachedStructureIDOffset() { return OBJECT_OFFSETOF(JSPropertyNameEnumerator, m_cachedStructureID); }
-    static ptrdiff_t indexedLengthOffset() { return OBJECT_OFFSETOF(JSPropertyNameEnumerator, m_indexedLength); }
-    static ptrdiff_t endStructurePropertyIndexOffset() { return OBJECT_OFFSETOF(JSPropertyNameEnumerator, m_endStructurePropertyIndex); }
-    static ptrdiff_t endGenericPropertyIndexOffset() { return OBJECT_OFFSETOF(JSPropertyNameEnumerator, m_endGenericPropertyIndex); }
-    static ptrdiff_t cachedInlineCapacityOffset() { return OBJECT_OFFSETOF(JSPropertyNameEnumerator, m_cachedInlineCapacity); }
-    static ptrdiff_t cachedPropertyNamesVectorOffset()
-    {
-        return OBJECT_OFFSETOF(JSPropertyNameEnumerator, m_propertyNames) + Vector<WriteBarrier<JSString>>::dataMemoryOffset();
-    }
-
-    static void visitChildren(JSCell*, SlotVisitor&);
-
-private:
-    JSPropertyNameEnumerator(VM&, StructureID, uint32_t);
-    void finishCreation(VM&, uint32_t, uint32_t, PassRefPtr<PropertyNameArrayData>);
-
-    Vector<WriteBarrier<JSString>> m_propertyNames;
-    StructureID m_cachedStructureID;
-    WriteBarrier<StructureChain> m_prototypeChain;
-    uint32_t m_indexedLength;
-    uint32_t m_endStructurePropertyIndex;
-    uint32_t m_endGenericPropertyIndex;
-    uint32_t m_cachedInlineCapacity;
-};
-
-inline JSPropertyNameEnumerator* propertyNameEnumerator(ExecState* exec, JSObject* base)
-{
-    VM& vm = exec->vm();
-
-    uint32_t indexedLength = base->methodTable(vm)->getEnumerableLength(exec, base);
-
-    JSPropertyNameEnumerator* enumerator = nullptr;
-
-    Structure* structure = base->structure(vm);
-    if (!indexedLength
-        && (enumerator = structure->cachedPropertyNameEnumerator())
-        && enumerator->cachedPrototypeChain() == structure->prototypeChain(exec))
-        return enumerator;
-
-    uint32_t numberStructureProperties = 0;
-
-    PropertyNameArray propertyNames(exec, PropertyNameMode::Strings);
-
-    if (structure->canAccessPropertiesQuickly() && indexedLength == base->getArrayLength()) {
-        base->methodTable(vm)->getStructurePropertyNames(base, exec, propertyNames, EnumerationMode());
-
-        numberStructureProperties = propertyNames.size();
-
-        base->methodTable(vm)->getGenericPropertyNames(base, exec, propertyNames, EnumerationMode());
-    } else {
-        // Generic property names vector contains all indexed property names.
-        // So disable indexed property enumeration phase by setting |indexedLength| to 0.
-        indexedLength = 0;
-        base->methodTable(vm)->getPropertyNames(base, exec, propertyNames, EnumerationMode());
-    }
-
-    ASSERT(propertyNames.size() < UINT32_MAX);
-
-    normalizePrototypeChain(exec, structure);
-
-    enumerator = JSPropertyNameEnumerator::create(vm, structure, indexedLength, numberStructureProperties, propertyNames);
-    enumerator->setCachedPrototypeChain(vm, structure->prototypeChain(exec));
-    if (!indexedLength && structure->canCachePropertyNameEnumerator())
-        structure->setCachedPropertyNameEnumerator(vm, enumerator);
-    return enumerator;
-}
-
-} // namespace JSC
-
-#endif // JSPropertyNameEnumerator_h