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/*
* 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.
*/
#include "JSParser.h"
#include <wtf/Vector.h>
#include <wtf/text/WTFString.h>
namespace JSC {
class SourceProviderCacheItem {
public:
SourceProviderCacheItem(int closeBraceLine, int closeBracePos)
: closeBraceLine(closeBraceLine)
, closeBracePos(closeBracePos)
{
}
unsigned approximateByteSize() const
{
// The identifiers are uniqued strings so most likely there are few names that actually use any additional memory.
static const unsigned assummedAverageIdentifierSize = sizeof(RefPtr<StringImpl>) + 2;
unsigned size = sizeof(*this);
size += usedVariables.size() * assummedAverageIdentifierSize;
size += writtenVariables.size() * assummedAverageIdentifierSize;
return size;
}
JSToken closeBraceToken() const
{
JSToken token;
token.m_type = CLOSEBRACE;
token.m_data.intValue = closeBracePos;
token.m_info.startOffset = closeBracePos;
token.m_info.endOffset = closeBracePos + 1;
token.m_info.line = closeBraceLine;
return token;
}
int closeBraceLine;
int closeBracePos;
bool usesEval;
Vector<RefPtr<StringImpl> > usedVariables;
Vector<RefPtr<StringImpl> > writtenVariables;
};
}
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