darling-JavaScriptCore/parser/SourceProviderCache.h

50 lines
2.1 KiB
C++

/*
* Copyright (C) 2011 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "SourceProviderCacheItem.h"
#include <wtf/HashMap.h>
#include <wtf/RefCounted.h>
namespace JSC {
DECLARE_ALLOCATOR_WITH_HEAP_IDENTIFIER(SourceProviderCache);
class SourceProviderCache : public RefCounted<SourceProviderCache> {
WTF_MAKE_STRUCT_FAST_ALLOCATED_WITH_HEAP_IDENTIFIER(SourceProviderCache);
public:
SourceProviderCache() { }
JS_EXPORT_PRIVATE ~SourceProviderCache();
JS_EXPORT_PRIVATE void clear();
void add(int sourcePosition, std::unique_ptr<SourceProviderCacheItem>);
const SourceProviderCacheItem* get(int sourcePosition) const { return m_map.get(sourcePosition); }
private:
HashMap<int, std::unique_ptr<SourceProviderCacheItem>, WTF::IntHash<int>, WTF::UnsignedWithZeroKeyHashTraits<int>> m_map;
};
} // namespace JSC