JavaScriptCore-521.tar.gz

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

diff --git a/runtime/PropertySlot.cpp b/runtime/PropertySlot.cpp
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+/*
+ *  Copyright (C) 2005, 2008 Apple Inc. All rights reserved.
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Library General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Library General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Library General Public License
+ *  along with this library; see the file COPYING.LIB.  If not, write to
+ *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "config.h"
+#include "PropertySlot.h"
+
+#include "JSFunction.h"
+#include "JSGlobalObject.h"
+#include "JSObject.h"
+
+namespace JSC {
+
+JSValuePtr PropertySlot::functionGetter(ExecState* exec, const Identifier&, const PropertySlot& slot)
+{
+    // Prevent getter functions from observing execution if an exception is pending.
+    if (exec->hadException())
+        return exec->exception();
+
+    CallData callData;
+    CallType callType = slot.m_data.getterFunc->getCallData(callData);
+    if (callType == CallTypeHost)
+        return callData.native.function(exec, slot.m_data.getterFunc, slot.slotBase(), exec->emptyList());
+    ASSERT(callType == CallTypeJS);
+    // FIXME: Can this be done more efficiently using the callData?
+    return static_cast<JSFunction*>(slot.m_data.getterFunc)->call(exec, slot.slotBase(), exec->emptyList());
+}
+
+} // namespace JSC