1/*
2 * Copyright (C) 2011 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 * 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#pragma once
27
28#include "SourceProviderCacheItem.h"
29#include <wtf/HashMap.h>
30#include <wtf/RefCounted.h>
31
32namespace JSC {
33
34class SourceProviderCache : public RefCounted<SourceProviderCache> {
35 WTF_MAKE_FAST_ALLOCATED;
36public:
37 SourceProviderCache() { }
38 JS_EXPORT_PRIVATE ~SourceProviderCache();
39
40 JS_EXPORT_PRIVATE void clear();
41 void add(int sourcePosition, std::unique_ptr<SourceProviderCacheItem>);
42 const SourceProviderCacheItem* get(int sourcePosition) const { return m_map.get(sourcePosition); }
43
44private:
45 HashMap<int, std::unique_ptr<SourceProviderCacheItem>, WTF::IntHash<int>, WTF::UnsignedWithZeroKeyHashTraits<int>> m_map;
46};
47
48} // namespace JSC
49