1/*
2 * Copyright (C) 2012, 2013 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of Apple Inc. ("Apple") nor the names of
14 * its contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include "config.h"
30#include "JSSymbolTableObject.h"
31
32#include "JSCInlines.h"
33#include "PropertyNameArray.h"
34
35namespace JSC {
36
37const ClassInfo JSSymbolTableObject::s_info = { "SymbolTableObject", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSSymbolTableObject) };
38
39void JSSymbolTableObject::visitChildren(JSCell* cell, SlotVisitor& visitor)
40{
41 JSSymbolTableObject* thisObject = jsCast<JSSymbolTableObject*>(cell);
42 ASSERT_GC_OBJECT_INHERITS(thisObject, info());
43 Base::visitChildren(thisObject, visitor);
44 visitor.append(thisObject->m_symbolTable);
45}
46
47bool JSSymbolTableObject::deleteProperty(JSCell* cell, ExecState* exec, PropertyName propertyName)
48{
49 JSSymbolTableObject* thisObject = jsCast<JSSymbolTableObject*>(cell);
50 if (thisObject->symbolTable()->contains(propertyName.uid()))
51 return false;
52
53 return Base::deleteProperty(thisObject, exec, propertyName);
54}
55
56void JSSymbolTableObject::getOwnNonIndexPropertyNames(JSObject* object, ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode)
57{
58 JSSymbolTableObject* thisObject = jsCast<JSSymbolTableObject*>(object);
59 {
60 ConcurrentJSLocker locker(thisObject->symbolTable()->m_lock);
61 SymbolTable::Map::iterator end = thisObject->symbolTable()->end(locker);
62 for (SymbolTable::Map::iterator it = thisObject->symbolTable()->begin(locker); it != end; ++it) {
63 if (!(it->value.getAttributes() & PropertyAttribute::DontEnum) || mode.includeDontEnumProperties()) {
64 if (it->key->isSymbol() && !propertyNames.includeSymbolProperties())
65 continue;
66 propertyNames.add(Identifier::fromUid(exec, it->key.get()));
67 }
68 }
69 }
70
71 Base::getOwnNonIndexPropertyNames(thisObject, exec, propertyNames, mode);
72}
73
74} // namespace JSC
75