Imported WebKit commit 2ea9d364d0f6efa8fa64acf19f451504c59be0e4 (http://svn.webkit.org/repository/webkit/trunk@104285)

1 files changed, 57 insertions, 0 deletions

diff --git a/Source/JavaScriptCore/runtime/StructureChain.cpp b/Source/JavaScriptCore/runtime/StructureChain.cpp
new file mode 100644
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+++ b/Source/JavaScriptCore/runtime/StructureChain.cpp
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+/*
+ * Copyright (C) 2008 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 COMPUTER, INC. ``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 COMPUTER, INC. OR
+ * 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. 
+ */
+
+#include "config.h"
+#include "StructureChain.h"
+
+#include "JSObject.h"
+#include "Structure.h"
+#include <wtf/RefPtr.h>
+
+namespace JSC {
+    
+ClassInfo StructureChain::s_info = { "StructureChain", 0, 0, 0, CREATE_METHOD_TABLE(StructureChain) };
+
+StructureChain::StructureChain(JSGlobalData& globalData, Structure* structure)
+    : JSCell(globalData, structure)
+{
+}
+
+void StructureChain::destroy(JSCell* cell)
+{
+    jsCast<StructureChain*>(cell)->StructureChain::~StructureChain();
+}
+
+void StructureChain::visitChildren(JSCell* cell, SlotVisitor& visitor)
+{
+    StructureChain* thisObject = jsCast<StructureChain*>(cell);
+    ASSERT_GC_OBJECT_INHERITS(thisObject, &s_info);
+    ASSERT(thisObject->structure()->typeInfo().overridesVisitChildren());
+    size_t i = 0;
+    while (thisObject->m_vector[i])
+        visitor.append(&thisObject->m_vector[i++]);
+}
+
+} // namespace JSC