JavaScriptCore-521.tar.gz

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

diff --git a/runtime/JSPropertyNameIterator.cpp b/runtime/JSPropertyNameIterator.cpp
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+++ b/runtime/JSPropertyNameIterator.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.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE 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 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 "JSPropertyNameIterator.h"
+
+namespace JSC {
+
+ASSERT_CLASS_FITS_IN_CELL(JSPropertyNameIterator);
+
+JSPropertyNameIterator::~JSPropertyNameIterator()
+{
+}
+
+JSValuePtr JSPropertyNameIterator::toPrimitive(ExecState*, PreferredPrimitiveType) const
+{
+    ASSERT_NOT_REACHED();
+    return noValue();
+}
+
+bool JSPropertyNameIterator::getPrimitiveNumber(ExecState*, double&, JSValuePtr&)
+{
+    ASSERT_NOT_REACHED();
+    return false;
+}
+
+bool JSPropertyNameIterator::toBoolean(ExecState*) const
+{
+    ASSERT_NOT_REACHED();
+    return false;
+}
+
+double JSPropertyNameIterator::toNumber(ExecState*) const
+{
+    ASSERT_NOT_REACHED();
+    return 0;
+}
+
+UString JSPropertyNameIterator::toString(ExecState*) const
+{
+    ASSERT_NOT_REACHED();
+    return "";
+}
+
+JSObject* JSPropertyNameIterator::toObject(ExecState*) const
+{
+    ASSERT_NOT_REACHED();
+    return 0;
+}
+
+void JSPropertyNameIterator::mark()
+{
+    JSCell::mark();
+    if (m_object && !m_object->marked())
+        m_object->mark();
+}
+
+void JSPropertyNameIterator::invalidate()
+{
+    ASSERT(m_position == m_end);
+    m_object = 0;
+    m_data.clear();
+}
+
+} // namespace JSC