1/*
2 * Copyright (C) 2015 Yusuke Suzuki <[email protected]>.
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 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include <wtf/text/SymbolRegistry.h>
28
29namespace WTF {
30
31SymbolRegistry::~SymbolRegistry()
32{
33 for (auto& key : m_table) {
34 ASSERT(key.impl()->isSymbol());
35 static_cast<SymbolImpl*>(key.impl())->asRegisteredSymbolImpl()->clearSymbolRegistry();
36 }
37}
38
39Ref<RegisteredSymbolImpl> SymbolRegistry::symbolForKey(const String& rep)
40{
41 auto addResult = m_table.add(SymbolRegistryKey(rep.impl()));
42 if (!addResult.isNewEntry) {
43 ASSERT(addResult.iterator->impl()->isSymbol());
44 return *static_cast<SymbolImpl*>(addResult.iterator->impl())->asRegisteredSymbolImpl();
45 }
46
47 auto symbol = RegisteredSymbolImpl::create(*rep.impl(), *this);
48 *addResult.iterator = SymbolRegistryKey(&symbol.get());
49 return symbol;
50}
51
52void SymbolRegistry::remove(RegisteredSymbolImpl& uid)
53{
54 ASSERT(uid.symbolRegistry() == this);
55 auto iterator = m_table.find(SymbolRegistryKey(&uid));
56 ASSERT_WITH_MESSAGE(iterator != m_table.end(), "The string being removed is registered in the string table of an other thread!");
57 m_table.remove(iterator);
58}
59
60}
61