JavaScriptCore-1218.tar.gz

[apple/javascriptcore.git] / runtime / StructureRareData.cpp

diff --git a/runtime/StructureRareData.cpp b/runtime/StructureRareData.cpp
new file mode 100644 (file)
index 0000000..00880d3
--- /dev/null
+++ b/runtime/StructureRareData.cpp
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2013 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.
+ */
+
+#include "config.h"
+#include "StructureRareData.h"
+
+#include "JSString.h"
+#include "Operations.h"
+
+namespace JSC {
+
+const ClassInfo StructureRareData::s_info = { "StructureRareData", 0, 0, 0, CREATE_METHOD_TABLE(StructureRareData) };
+
+Structure* StructureRareData::createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
+{
+    return Structure::create(vm, globalObject, prototype, TypeInfo(CompoundType, StructureFlags), &s_info);
+}
+
+StructureRareData* StructureRareData::create(VM& vm, Structure* previous)
+{
+    StructureRareData* rareData = new (NotNull, allocateCell<StructureRareData>(vm.heap)) StructureRareData(vm, previous);
+    rareData->finishCreation(vm);
+    return rareData;
+}
+
+StructureRareData* StructureRareData::clone(VM& vm, const StructureRareData* other)
+{
+    StructureRareData* newRareData = new (NotNull, allocateCell<StructureRareData>(vm.heap)) StructureRareData(vm, other);
+    newRareData->finishCreation(vm);
+    return newRareData;
+}
+
+StructureRareData::StructureRareData(VM& vm, Structure* previous)
+    : JSCell(vm, vm.structureRareDataStructure.get())
+{
+    if (previous)
+        m_previous.set(vm, this, previous);
+}
+
+StructureRareData::StructureRareData(VM& vm, const StructureRareData* other)
+    : JSCell(vm, other->structure())
+{
+    if (other->previousID())
+        m_previous.set(vm, this, other->previousID());
+    if (other->objectToStringValue())
+        m_objectToStringValue.set(vm, this, other->objectToStringValue());
+}
+
+void StructureRareData::visitChildren(JSCell* cell, SlotVisitor& visitor)
+{
+    StructureRareData* thisObject = jsCast<StructureRareData*>(cell);
+    ASSERT_GC_OBJECT_INHERITS(thisObject, &s_info);
+    ASSERT(thisObject->structure()->typeInfo().overridesVisitChildren());
+
+    JSCell::visitChildren(thisObject, visitor);
+    visitor.append(&thisObject->m_previous);
+    visitor.append(&thisObject->m_objectToStringValue);
+    visitor.append(&thisObject->m_enumerationCache);
+}
+
+} // namespace JSC