12fc2651226baac27029e38c9d6ef883fa32084dbSteve Block/* 22fc2651226baac27029e38c9d6ef883fa32084dbSteve Block * Copyright (C) 2011 Apple Inc. All rights reserved. 32fc2651226baac27029e38c9d6ef883fa32084dbSteve Block * 42fc2651226baac27029e38c9d6ef883fa32084dbSteve Block * Redistribution and use in source and binary forms, with or without 52fc2651226baac27029e38c9d6ef883fa32084dbSteve Block * modification, are permitted provided that the following conditions 62fc2651226baac27029e38c9d6ef883fa32084dbSteve Block * are met: 72fc2651226baac27029e38c9d6ef883fa32084dbSteve Block * 1. Redistributions of source code must retain the above copyright 82fc2651226baac27029e38c9d6ef883fa32084dbSteve Block * notice, this list of conditions and the following disclaimer. 92fc2651226baac27029e38c9d6ef883fa32084dbSteve Block * 2. Redistributions in binary form must reproduce the above copyright 102fc2651226baac27029e38c9d6ef883fa32084dbSteve Block * notice, this list of conditions and the following disclaimer in the 112fc2651226baac27029e38c9d6ef883fa32084dbSteve Block * documentation and/or other materials provided with the distribution. 122fc2651226baac27029e38c9d6ef883fa32084dbSteve Block * 132fc2651226baac27029e38c9d6ef883fa32084dbSteve Block * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' 142fc2651226baac27029e38c9d6ef883fa32084dbSteve Block * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 152fc2651226baac27029e38c9d6ef883fa32084dbSteve Block * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 162fc2651226baac27029e38c9d6ef883fa32084dbSteve Block * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 172fc2651226baac27029e38c9d6ef883fa32084dbSteve Block * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 182fc2651226baac27029e38c9d6ef883fa32084dbSteve Block * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 192fc2651226baac27029e38c9d6ef883fa32084dbSteve Block * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 202fc2651226baac27029e38c9d6ef883fa32084dbSteve Block * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 212fc2651226baac27029e38c9d6ef883fa32084dbSteve Block * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 222fc2651226baac27029e38c9d6ef883fa32084dbSteve Block * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 232fc2651226baac27029e38c9d6ef883fa32084dbSteve Block * THE POSSIBILITY OF SUCH DAMAGE. 242fc2651226baac27029e38c9d6ef883fa32084dbSteve Block */ 252fc2651226baac27029e38c9d6ef883fa32084dbSteve Block 262fc2651226baac27029e38c9d6ef883fa32084dbSteve Block#include "JSParser.h" 272fc2651226baac27029e38c9d6ef883fa32084dbSteve Block#include <wtf/Vector.h> 282fc2651226baac27029e38c9d6ef883fa32084dbSteve Block#include <wtf/text/WTFString.h> 292fc2651226baac27029e38c9d6ef883fa32084dbSteve Block 302fc2651226baac27029e38c9d6ef883fa32084dbSteve Blocknamespace JSC { 312fc2651226baac27029e38c9d6ef883fa32084dbSteve Block 322fc2651226baac27029e38c9d6ef883fa32084dbSteve Blockclass SourceProviderCacheItem { 332fc2651226baac27029e38c9d6ef883fa32084dbSteve Blockpublic: 342fc2651226baac27029e38c9d6ef883fa32084dbSteve Block SourceProviderCacheItem(int closeBraceLine, int closeBracePos) 352fc2651226baac27029e38c9d6ef883fa32084dbSteve Block : closeBraceLine(closeBraceLine) 362fc2651226baac27029e38c9d6ef883fa32084dbSteve Block , closeBracePos(closeBracePos) 372fc2651226baac27029e38c9d6ef883fa32084dbSteve Block { 382fc2651226baac27029e38c9d6ef883fa32084dbSteve Block } 392fc2651226baac27029e38c9d6ef883fa32084dbSteve Block unsigned approximateByteSize() const 402fc2651226baac27029e38c9d6ef883fa32084dbSteve Block { 412fc2651226baac27029e38c9d6ef883fa32084dbSteve Block // The identifiers are uniqued strings so most likely there are few names that actually use any additional memory. 422fc2651226baac27029e38c9d6ef883fa32084dbSteve Block static const unsigned assummedAverageIdentifierSize = sizeof(RefPtr<StringImpl>) + 2; 432fc2651226baac27029e38c9d6ef883fa32084dbSteve Block unsigned size = sizeof(*this); 442fc2651226baac27029e38c9d6ef883fa32084dbSteve Block size += usedVariables.size() * assummedAverageIdentifierSize; 452fc2651226baac27029e38c9d6ef883fa32084dbSteve Block size += writtenVariables.size() * assummedAverageIdentifierSize; 462fc2651226baac27029e38c9d6ef883fa32084dbSteve Block return size; 472fc2651226baac27029e38c9d6ef883fa32084dbSteve Block } 482fc2651226baac27029e38c9d6ef883fa32084dbSteve Block JSToken closeBraceToken() const 492fc2651226baac27029e38c9d6ef883fa32084dbSteve Block { 502fc2651226baac27029e38c9d6ef883fa32084dbSteve Block JSToken token; 512fc2651226baac27029e38c9d6ef883fa32084dbSteve Block token.m_type = CLOSEBRACE; 522fc2651226baac27029e38c9d6ef883fa32084dbSteve Block token.m_data.intValue = closeBracePos; 532fc2651226baac27029e38c9d6ef883fa32084dbSteve Block token.m_info.startOffset = closeBracePos; 542fc2651226baac27029e38c9d6ef883fa32084dbSteve Block token.m_info.endOffset = closeBracePos + 1; 552fc2651226baac27029e38c9d6ef883fa32084dbSteve Block token.m_info.line = closeBraceLine; 562fc2651226baac27029e38c9d6ef883fa32084dbSteve Block return token; 572fc2651226baac27029e38c9d6ef883fa32084dbSteve Block } 582fc2651226baac27029e38c9d6ef883fa32084dbSteve Block 592fc2651226baac27029e38c9d6ef883fa32084dbSteve Block int closeBraceLine; 602fc2651226baac27029e38c9d6ef883fa32084dbSteve Block int closeBracePos; 612fc2651226baac27029e38c9d6ef883fa32084dbSteve Block bool usesEval; 622fc2651226baac27029e38c9d6ef883fa32084dbSteve Block Vector<RefPtr<StringImpl> > usedVariables; 632fc2651226baac27029e38c9d6ef883fa32084dbSteve Block Vector<RefPtr<StringImpl> > writtenVariables; 642fc2651226baac27029e38c9d6ef883fa32084dbSteve Block}; 652fc2651226baac27029e38c9d6ef883fa32084dbSteve Block 662fc2651226baac27029e38c9d6ef883fa32084dbSteve Block} 67