| /* |
| * 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. |
| */ |
| |
| #ifndef SourceProviderCacheItem_h |
| #define SourceProviderCacheItem_h |
| |
| #include "ParserTokens.h" |
| #include <wtf/Vector.h> |
| #include <wtf/text/WTFString.h> |
| |
| namespace JSC { |
| |
| class SourceProviderCacheItem { |
| WTF_MAKE_FAST_ALLOCATED; |
| public: |
| SourceProviderCacheItem(unsigned functionStart, unsigned closeBraceLine, unsigned closeBracePos) |
| : functionStart(functionStart) |
| , 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_location.startOffset = closeBracePos; |
| token.m_location.endOffset = closeBracePos + 1; |
| token.m_location.line = closeBraceLine; |
| return token; |
| } |
| |
| unsigned functionStart : 31; |
| bool needsFullActivation : 1; |
| |
| unsigned closeBraceLine : 31; |
| bool usesEval : 1; |
| |
| unsigned closeBracePos : 31; |
| bool strictMode : 1; |
| |
| Vector<RefPtr<StringImpl> > usedVariables; |
| Vector<RefPtr<StringImpl> > writtenVariables; |
| }; |
| |
| } |
| |
| #endif // SourceProviderCacheItem_h |