JavaScriptCore-521.tar.gz

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

diff --git a/runtime/JSNotAnObject.cpp b/runtime/JSNotAnObject.cpp
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+++ b/runtime/JSNotAnObject.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 "JSNotAnObject.h"
+
+#include <wtf/UnusedParam.h>
+
+namespace JSC {
+
+ASSERT_CLASS_FITS_IN_CELL(JSNotAnObject);
+
+// JSValue methods
+JSValuePtr JSNotAnObject::toPrimitive(ExecState* exec, PreferredPrimitiveType) const
+{
+    ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
+    return m_exception;
+}
+
+bool JSNotAnObject::getPrimitiveNumber(ExecState* exec, double&, JSValuePtr&)
+{
+    ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
+    return false;
+}
+
+bool JSNotAnObject::toBoolean(ExecState* exec) const
+{
+    ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
+    return false;
+}
+
+double JSNotAnObject::toNumber(ExecState* exec) const
+{
+    ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
+    return NaN;
+}
+
+UString JSNotAnObject::toString(ExecState* exec) const
+{
+    ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
+    return "";
+}
+
+JSObject* JSNotAnObject::toObject(ExecState* exec) const
+{
+    ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
+    return m_exception;
+}
+
+// Marking
+void JSNotAnObject::mark()
+{
+    JSCell::mark();
+    if (!m_exception->marked())
+        m_exception->mark();
+}
+
+// JSObject methods
+bool JSNotAnObject::getOwnPropertySlot(ExecState* exec, const Identifier&, PropertySlot&)
+{
+    ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
+    return false;
+}
+
+bool JSNotAnObject::getOwnPropertySlot(ExecState* exec, unsigned, PropertySlot&)
+{
+    ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
+    return false;
+}
+
+void JSNotAnObject::put(ExecState* exec, const Identifier& , JSValuePtr, PutPropertySlot&)
+{
+    ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
+}
+
+void JSNotAnObject::put(ExecState* exec, unsigned, JSValuePtr)
+{
+    ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
+}
+
+bool JSNotAnObject::deleteProperty(ExecState* exec, const Identifier&)
+{
+    ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
+    return false;
+}
+
+bool JSNotAnObject::deleteProperty(ExecState* exec, unsigned)
+{
+    ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
+    return false;
+}
+
+void JSNotAnObject::getPropertyNames(ExecState* exec, PropertyNameArray&)
+{
+    ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
+}
+
+} // namespace JSC