1 /*
2 * Copyright (C) 2005, 2008 Apple Inc. All rights reserved.
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public License
15 * along with this library; see the file COPYING.LIB. If not, write to
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 *
19 */
20
21 #include "config.h"
22 #include "PropertySlot.h"
23
24 #include "JSFunction.h"
25 #include "JSGlobalObject.h"
26 #include "JSObject.h"
27
28 namespace JSC {
29
functionGetter(ExecState * exec,const Identifier &,const PropertySlot & slot)30 JSValue PropertySlot::functionGetter(ExecState* exec, const Identifier&, const PropertySlot& slot)
31 {
32 // Prevent getter functions from observing execution if an exception is pending.
33 if (exec->hadException())
34 return exec->exception();
35
36 CallData callData;
37 CallType callType = slot.m_data.getterFunc->getCallData(callData);
38 if (callType == CallTypeHost)
39 return callData.native.function(exec, slot.m_data.getterFunc, slot.slotBase(), exec->emptyList());
40 ASSERT(callType == CallTypeJS);
41 // FIXME: Can this be done more efficiently using the callData?
42 return static_cast<JSFunction*>(slot.m_data.getterFunc)->call(exec, slot.slotBase(), exec->emptyList());
43 }
44
45 } // namespace JSC
46